/* ============================================================
   brand.css — 品牌版首页专属样式（仅 index.html 引用）
   复用 style.css 的变量与基础组件（btn/container/grid/header/footer）
   ============================================================ */

/* ---------- 信任条：首屏正下方第一钩子 ---------- */
.trust-bar {
    background: var(--white);
    border-bottom: 1px solid var(--border-light);
    padding: 28px 0;
}
.trust-bar .grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.trust-item {
    display: flex;
    align-items: center;
    gap: 14px;
}
.trust-icon {
    flex: 0 0 48px;
    height: 48px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(21, 101, 192, 0.10), rgba(0, 188, 212, 0.12));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
}
.trust-item h4 {
    font-size: 0.98rem;
    color: var(--text);
    margin: 0 0 2px;
}
.trust-item p {
    font-size: 0.82rem;
    color: var(--text-light);
    margin: 0;
}

/* ---------- 四大产品线卡片 ---------- */
.category-grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.brand-category {
    position: relative;
    background: var(--white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
    text-decoration: none;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}
.brand-category:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(21, 101, 192, 0.35);
}
.brand-category-top {
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.6rem;
    color: #fff;
    position: relative;
    overflow: hidden;
}
.brand-category-top::after {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 70% 20%, rgba(255,255,255,0.18), transparent 55%);
}
.bc-smd      { background: linear-gradient(135deg, #0A2E5C, #1565C0); }
.bc-dip      { background: linear-gradient(135deg, #0D3B6F, #1E88E5); }
.bc-infrared { background: linear-gradient(135deg, #12324F, #0277BD); }
.bc-strip    { background: linear-gradient(135deg, #083048, #0097A7); }
.brand-category-body {
    padding: 22px 22px 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.brand-category-body h3 {
    font-size: 1.12rem;
    color: var(--text);
    margin: 0 0 10px;
}
.brand-category-body p {
    font-size: 0.88rem;
    color: var(--text-light);
    line-height: 1.7;
    margin: 0 0 14px;
    flex: 1;
}
.brand-category-body .category-tags {
    margin-bottom: 14px;
}

/* ---------- 应用场景图片墙 ---------- */
.apps-section {
    background: var(--white);
}
.apps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.app-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 4 / 3;
    display: block;
    text-decoration: none;
    box-shadow: var(--shadow-sm);
}
.app-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
    display: block;
}
.app-card:hover img {
    transform: scale(1.06);
}
.app-card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(10, 25, 41, 0.85) 0%, rgba(10, 25, 41, 0.25) 45%, transparent 70%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 18px 20px;
}
.app-card-overlay h3 {
    color: #fff;
    font-size: 1.02rem;
    margin: 0 0 4px;
}
.app-card-overlay p {
    color: rgba(255, 255, 255, 0.78);
    font-size: 0.8rem;
    margin: 0;
    line-height: 1.5;
}
.app-card-tag {
    position: absolute;
    top: 14px;
    left: 14px;
    background: rgba(0, 188, 212, 0.92);
    color: #fff;
    font-size: 0.72rem;
    padding: 4px 10px;
    border-radius: 999px;
    letter-spacing: 1px;
}

/* ---------- 为什么选元晶 ---------- */
.why-section {
    background: linear-gradient(160deg, var(--bg-dark) 0%, #0A2E5C 100%);
    color: #fff;
}
.why-section .section-title {
    color: #fff;
}
.why-section .section-subtitle {
    color: rgba(255, 255, 255, 0.65);
}
.why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 26px;
    margin-top: 10px;
}
.why-card {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-lg);
    padding: 30px 28px;
    transition: var(--transition);
}
.why-card:hover {
    background: rgba(255, 255, 255, 0.10);
    transform: translateY(-4px);
}
.why-card .why-icon {
    font-size: 2rem;
    margin-bottom: 16px;
}
.why-card h3 {
    color: #fff;
    font-size: 1.08rem;
    margin: 0 0 10px;
}
.why-card p {
    color: rgba(255, 255, 255, 0.72);
    font-size: 0.88rem;
    line-height: 1.75;
    margin: 0;
}
.why-card ul {
    margin: 8px 0 0;
    padding-left: 18px;
    color: rgba(255, 255, 255, 0.72);
    font-size: 0.86rem;
    line-height: 1.9;
}

/* ---------- 数据看板 ---------- */
.stats-band {
    background: var(--white);
}
.stats-band .grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    text-align: center;
}
.stat-num {
    font-size: 2.6rem;
    font-weight: 800;
    background: linear-gradient(120deg, var(--primary), var(--primary-light));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    line-height: 1.1;
}
.stat-label {
    margin-top: 6px;
    color: var(--text-light);
    font-size: 0.9rem;
}

/* ---------- 响应式 ---------- */
@media (max-width: 992px) {
    .trust-bar .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .category-grid-4   { grid-template-columns: repeat(2, 1fr); }
    .apps-grid         { grid-template-columns: repeat(2, 1fr); }
    .why-grid          { grid-template-columns: 1fr; }
    .stats-band .grid-4{ grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
    .trust-bar .grid-4 { grid-template-columns: 1fr; }
    .category-grid-4   { grid-template-columns: 1fr; }
    .apps-grid         { grid-template-columns: 1fr; }
    .stat-num          { font-size: 2rem; }
}

/* ============================================================
   首页紧凑化 —— 2026-09-29 糖糖反馈「太长、留白太多」
   本文件仅首页引用，故在此直接收紧全局间距
   ============================================================ */

/* 板块间距 80px → 40px */
.section { padding: 24px 0; }

/* 标题组收紧 */
.section-title { font-size: 1.7rem; }
.section-title::after { width: 46px; height: 3px; margin: 7px auto 0; }
.section-subtitle { font-size: 0.95rem; margin-bottom: 14px; }

/* 首屏收紧 640px → 480px */
.hero { min-height: 480px; }
.hero-brand { margin-bottom: 14px; }
.hero-brand img { height: 42px; padding: 5px 10px; }
.hero-badge { padding: 6px 16px; font-size: 0.85rem; }
.hero h1 { font-size: 2rem; line-height: 1.35; }
.hero-desc { font-size: 0.95rem; line-height: 1.7; }
.hero-actions { margin-top: 24px; }
.hero-stats { margin-top: 26px; padding-top: 20px; gap: 34px; }
.hero-stat-num { font-size: 1.85rem; }
.hero-stat-label { font-size: 0.82rem; }

/* 产品卡顶图变矮 */
.brand-category-top { height: 84px; font-size: 1.9rem; }
.brand-category-body { padding: 18px 18px 20px; }
.brand-category-body p { font-size: 0.85rem; line-height: 1.6; margin-bottom: 10px; }
.brand-category-body h3 { font-size: 1.05rem; margin-bottom: 8px; }

/* 应用场景卡比例更扁 */
.app-card { aspect-ratio: 3 / 2; }
.app-card-overlay { padding: 14px 16px; }
.app-card-overlay h3 { font-size: 0.96rem; }
.app-card-overlay p { font-size: 0.76rem; }
.app-card-tag { top: 10px; left: 10px; font-size: 0.68rem; padding: 3px 8px; }

/* 工艺六步收紧 */
.process-flow { margin-top: 22px; }
.process-step { padding: 12px 8px; min-width: 118px; }
.process-step-icon { width: 50px; height: 50px; margin-bottom: 10px; font-size: 1.3rem; border-radius: 13px; }
.process-step h4 { margin-bottom: 2px; }
.process-step p { font-size: 0.78rem; }

/* 文章卡收紧 */
.article-img { height: 124px; }
.article-img img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.article-img span[style*="font-size:3rem"] { font-size: 2rem !important; }
.article-body { padding: 16px; }
.article-body h3 { font-size: 0.96rem; line-height: 1.55; }
.article-body p { font-size: 0.82rem; line-height: 1.65; }

/* 询盘 CTA 变矮 */
/* CTA：横向排版（左文右按钮），高度约为原来一半 */
.cta-section { padding: 18px 0; }
.cta-section .container {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    column-gap: 36px;
    text-align: left;
}
.cta-section h2 {
    font-size: 1.45rem;
    margin-bottom: 4px;
    grid-column: 1;
}
.cta-section p {
    font-size: 0.95rem;
    margin-bottom: 0;
    grid-column: 1;
}
.cta-section .btn {
    grid-column: 2;
    grid-row: 1 / span 2;
    padding: 12px 28px;
    font-size: 0.95rem;
    white-space: nowrap;
}
@media (max-width: 768px) {
    .cta-section .container {
        grid-template-columns: 1fr;
        text-align: center;
        row-gap: 12px;
        justify-items: center;
    }
    .cta-section h2,
    .cta-section p,
    .cta-section .btn { grid-column: 1; grid-row: auto; }
    .cta-section h2 { font-size: 1.25rem; }
}

/* ================= 产品选型工具 ================= */
.finder-section { background: #F4F8FC; }
.finder-bar { display: flex; gap: 10px; flex-wrap: wrap; }
.pf-input {
    flex: 1 1 300px;
    padding: 13px 18px;
    border: 2px solid #0A2E5C;
    border-radius: 10px;
    font-size: 0.95rem;
    background: #fff;
    outline: none;
    transition: border-color 0.2s;
}
.pf-input:focus { border-color: #1565C0; box-shadow: 0 0 0 3px rgba(21,101,192,0.12); }
.pf-select {
    flex: 0 1 170px;
    padding: 13px 12px;
    border: 1.5px solid #C5D3E4;
    border-radius: 10px;
    font-size: 0.9rem;
    background: #fff;
    color: #2C3E50;
    cursor: pointer;
    outline: none;
}
.pf-select:focus { border-color: #1565C0; }
.pf-meta {
    display: flex; justify-content: space-between; align-items: center;
    flex-wrap: wrap; gap: 10px; margin-top: 14px;
}
.pf-count { font-size: 0.88rem; color: #5A6B7E; }
.pf-count b { color: #0A2E5C; font-size: 1.05rem; }
.pf-free {
    font-size: 0.86rem; font-weight: 600; color: #0F6E56;
    text-decoration: none; background: #E1F5EE;
    padding: 7px 14px; border-radius: 999px;
}
.pf-free:hover { background: #CDEBDD; }
.pf-results {
    display: none;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-top: 16px;
}
.pf-results.open { display: grid; }
.pf-card {
    background: #fff;
    border: 1px solid #DCE5EF;
    border-radius: 10px;
    padding: 14px 15px;
    display: flex; flex-direction: column; gap: 8px;
    transition: border-color 0.15s, transform 0.15s;
}
.pf-card:hover { border-color: #1565C0; transform: translateY(-2px); }
.pf-model { font-weight: 600; color: #0A2E5C; font-size: 0.92rem; letter-spacing: 0.3px; }
.pf-tags { display: flex; flex-wrap: wrap; gap: 5px; }
.pf-tag {
    font-size: 0.7rem; color: #4A6076; background: #EDF2F8;
    padding: 2px 8px; border-radius: 5px; white-space: nowrap;
}
.pf-ask {
    margin-top: auto;
    font-size: 0.8rem; font-weight: 600; color: #1565C0;
    text-decoration: none;
}
.pf-ask:hover { text-decoration: underline; }
.pf-empty {
    grid-column: 1 / -1;
    text-align: center; color: #5A6B7E; font-size: 0.9rem;
    padding: 28px 12px; background: #fff; border-radius: 10px; border: 1px dashed #C5D3E4;
}
@media (max-width: 900px) {
    .pf-results { grid-template-columns: repeat(2, 1fr); }
    .pf-select { flex: 1 1 45%; }
}
@media (max-width: 560px) {
    .pf-results { grid-template-columns: 1fr; }
    .pf-input { flex-basis: 100%; }
}


/* ================================================================
   首页 v3 · 横幅轮播 + 醒目搜索 + 成兴光式分类卡
   （仅首页引用 brand.css，内页不受影响）
   ================================================================ */

/* ---------- 1. 首屏横幅轮播 ---------- */
.hero-slider {
    position: relative;
    height: clamp(400px, 40vw, 560px);
    background: #0A2E5C;
    overflow: hidden;
}
.hs-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.85s ease, visibility 0.85s;
}
.hs-slide.is-active { opacity: 1; visibility: visible; }

.hs-bg {
    position: absolute;
    top: 0; right: 0;
    width: 56%; height: 100%;
    object-fit: cover;
    opacity: 0.6;
    -webkit-mask-image: linear-gradient(to right, transparent 0%, #000 48%);
    mask-image: linear-gradient(to right, transparent 0%, #000 48%);
}
.hs-mask {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(100deg, rgba(7,32,64,0.97) 0%, rgba(9,40,80,0.90) 42%, rgba(9,40,80,0.55) 68%, rgba(9,40,80,0.35) 100%);
}
.hs-slide .container { position: relative; height: 100%; display: flex; align-items: center; }

.hs-content { max-width: 640px; color: #fff; }
.hs-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    letter-spacing: 0.5px;
    color: #BBD5F2;
    background: rgba(255,255,255,0.09);
    border: 1px solid rgba(255,255,255,0.18);
    padding: 6px 14px;
    border-radius: 999px;
    margin-bottom: 18px;
}
.hs-badge i {
    width: 6px; height: 6px; border-radius: 50%;
    background: #F5C518;
    box-shadow: 0 0 0 3px rgba(245,197,24,0.22);
}
.hs-content h1, .hs-content h2 {
    font-size: clamp(1.65rem, 3.1vw, 2.6rem);
    line-height: 1.28;
    color: #fff;
    margin: 0 0 14px;
    font-weight: 700;
    letter-spacing: 0.5px;
}
.hs-hl { color: #F5C518; }
.hs-content p {
    font-size: clamp(0.86rem, 1.1vw, 0.98rem);
    line-height: 1.8;
    color: rgba(255,255,255,0.78);
    margin: 0 0 24px;
    max-width: 540px;
}
.hs-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.btn-ghost {
    background: transparent;
    color: #fff;
    border: 1.5px solid rgba(255,255,255,0.34);
}
.btn-ghost:hover { background: rgba(255,255,255,0.12); border-color: rgba(255,255,255,0.6); }

/* 箭头 */
.hs-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 4;
    width: 42px; height: 42px;
    border: 1px solid rgba(255,255,255,0.28);
    background: rgba(255,255,255,0.08);
    color: #fff;
    font-size: 1.5rem;
    line-height: 1;
    border-radius: 50%;
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s;
    display: flex; align-items: center; justify-content: center;
    padding-bottom: 4px;
}
.hs-arrow:hover { background: rgba(255,255,255,0.2); border-color: rgba(255,255,255,0.5); }
.hs-prev { left: 22px; }
.hs-next { right: 22px; }

/* 圆点 */
.hs-dots {
    position: absolute;
    left: 50%; bottom: 76px;
    transform: translateX(-50%);
    z-index: 4;
    display: flex; gap: 9px;
}
.hs-dot {
    width: 9px; height: 9px;
    border-radius: 50%;
    border: none;
    background: rgba(255,255,255,0.35);
    cursor: pointer;
    padding: 0;
    transition: all 0.3s;
}
.hs-dot.is-active { background: #F5C518; width: 26px; border-radius: 999px; }

/* ---------- 2. 搜索面板（紧贴横幅下方，不遮挡横幅内容） ---------- */
.finder-section {
    background: #F4F8FC;
    padding: 20px 0 24px;
}
.finder-panel {
    position: relative;
    z-index: 5;
    margin-top: 0;
    background: #fff;
    border-radius: 14px;
    box-shadow: 0 10px 34px rgba(10,46,92,0.14);
    padding: 20px 22px 18px;
}
.finder-head {
    display: flex; align-items: center; justify-content: space-between;
    gap: 14px; flex-wrap: wrap; margin-bottom: 14px;
}
.finder-head strong {
    display: block;
    font-size: 1.12rem;
    color: #0A2E5C;
    letter-spacing: 0.5px;
}
.finder-head span {
    display: block;
    font-size: 0.82rem;
    color: #6B7C8F;
    margin-top: 3px;
}
.finder-bar { display: flex; gap: 10px; flex-wrap: wrap; align-items: stretch; }
.pf-input {
    flex: 1 1 300px;
    padding: 14px 18px;
    border: 2px solid #0A2E5C;
    border-radius: 10px;
    font-size: 0.98rem;
    background: #fff;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.pf-input:focus { border-color: #1565C0; box-shadow: 0 0 0 3px rgba(21,101,192,0.13); }
.pf-select {
    flex: 0 1 168px;
    padding: 13px 12px;
    border: 1.5px solid #C5D3E4;
    border-radius: 10px;
    font-size: 0.9rem;
    background: #fff;
    color: #2C3E50;
    cursor: pointer;
    outline: none;
}
.pf-select:focus { border-color: #1565C0; }
.pf-btn {
    flex: 0 0 auto;
    padding: 0 30px;
    background: #0A2E5C;
    color: #fff;
    border: none;
    border-radius: 10px;
    font-size: 0.98rem;
    font-weight: 600;
    letter-spacing: 1px;
    cursor: pointer;
    transition: background 0.2s;
}
.pf-btn:hover { background: #1565C0; }

/* 热门关键词 */
.pf-hot {
    display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
    margin-top: 12px;
}
.pf-hot-label { font-size: 0.8rem; color: #8A98A8; }
.pf-hot a {
    font-size: 0.8rem;
    color: #1565C0;
    background: #EDF3FA;
    padding: 5px 12px;
    border-radius: 999px;
    text-decoration: none;
    transition: background 0.18s, color 0.18s;
}
.pf-hot a:hover { background: #1565C0; color: #fff; }

.pf-meta {
    display: flex; justify-content: space-between; align-items: center;
    flex-wrap: wrap; gap: 10px; margin-top: 14px;
    padding-top: 13px; border-top: 1px solid #EEF3F8;
}
.pf-count { font-size: 0.88rem; color: #5A6B7E; }
.pf-count b { color: #0A2E5C; font-size: 1.05rem; }
.pf-tip { font-size: 0.82rem; color: #8A98A8; }
.pf-tip a { color: #1565C0; }
.pf-free {
    font-size: 0.84rem; font-weight: 600; color: #0F6E56;
    text-decoration: none; background: #E1F5EE;
    padding: 8px 15px; border-radius: 999px; white-space: nowrap;
}
.pf-free:hover { background: #CDEBDD; }

.pf-results {
    display: none;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-top: 16px;
}
.pf-results.open { display: grid; }
.pf-card {
    background: #fff;
    border: 1px solid #DCE5EF;
    border-radius: 10px;
    padding: 14px 15px;
    display: flex; flex-direction: column; gap: 8px;
    transition: border-color 0.15s, transform 0.15s;
}
.pf-card:hover { border-color: #1565C0; transform: translateY(-2px); }
.pf-model { font-weight: 600; color: #0A2E5C; font-size: 0.92rem; letter-spacing: 0.3px; }
.pf-tags { display: flex; flex-wrap: wrap; gap: 5px; }
.pf-tag {
    font-size: 0.7rem; color: #4A6076; background: #EDF2F8;
    padding: 2px 8px; border-radius: 5px; white-space: nowrap;
}
.pf-ask { margin-top: auto; font-size: 0.8rem; font-weight: 600; color: #1565C0; text-decoration: none; }
.pf-ask:hover { text-decoration: underline; }
.pf-empty {
    grid-column: 1 / -1;
    text-align: center; color: #5A6B7E; font-size: 0.9rem;
    padding: 28px 12px; background: #fff; border-radius: 10px; border: 1px dashed #C5D3E4;
}

/* 信任条（紧凑版） */
.trust-strip {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    margin-top: 22px;
}
.trust-strip-item {
    display: flex; align-items: center; gap: 10px;
    background: #fff;
    border: 1px solid #E3EBF3;
    border-radius: 10px;
    padding: 11px 14px;
}
.trust-strip-item > b { font-size: 1.15rem; line-height: 1; }
.trust-strip-item > span {
    display: flex; flex-direction: column;
    font-size: 0.82rem; color: #0A2E5C; font-weight: 500;
    line-height: 1.5;
}
.trust-strip-item > span b {
    font-size: 0.74rem; color: #7A8A9C; font-weight: 400;
}

/* ---------- 3. 四大产品线分类卡（图 + 中英标题 + 子类直达） ---------- */
.cat-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
}
.cat-card {
    display: flex;
    background: #fff;
    border: 1px solid #E1E9F2;
    border-radius: 14px;
    overflow: hidden;
    transition: box-shadow 0.22s, transform 0.22s, border-color 0.22s;
}
.cat-card:hover {
    box-shadow: 0 12px 30px rgba(10,46,92,0.12);
    transform: translateY(-3px);
    border-color: #C9D9EA;
}
.cat-card-media {
    position: relative;
    flex: 0 0 172px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    color: #fff;
    text-decoration: none;
    padding: 20px 10px 34px;
    overflow: hidden;
}
.cat-card-media::after {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 70% 18%, rgba(255,255,255,0.24), transparent 62%);
    pointer-events: none;
}
.cc-smd      { background: linear-gradient(150deg, #0A2E5C 0%, #1565C0 100%); }
.cc-dip      { background: linear-gradient(150deg, #123A6B 0%, #2E7BD6 100%); }
.cc-infrared { background: linear-gradient(150deg, #0B2A44 0%, #1F6E8C 100%); }
.cc-strip    { background: linear-gradient(150deg, #1B2A5B 0%, #6B3FA0 100%); }
.cc-icon { font-size: 1.9rem; line-height: 1; position: relative; z-index: 0; }
.cc-num {
    font-size: 1.75rem; font-weight: 800; letter-spacing: 1px;
    line-height: 1.1; position: relative; z-index: 1;
}
.cc-unit { font-size: 0.72rem; opacity: 0.72; letter-spacing: 2px; position: relative; z-index: 1; }
.cc-more {
    position: absolute;
    left: 0; right: 0; bottom: 0;
    font-size: 0.72rem;
    text-align: center;
    padding: 7px 0;
    background: rgba(0,0,0,0.18);
    letter-spacing: 1px;
    z-index: 3;
    transition: background 0.2s;
}
.cat-card:hover .cc-more { background: rgba(0,0,0,0.34); }

/* 产品集合实拍图（替换"图标+数量"块）：图片缺失时自动回落为品牌渐变+图标 */
.cc-photo {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
    transition: transform 0.3s;
}
.cat-card:hover .cc-photo { transform: scale(1.04); }
.cat-card-media::after { z-index: 2; }

.cat-card-body {
    flex: 1 1 auto;
    padding: 17px 18px 15px;
    display: flex;
    flex-direction: column;
    min-width: 0;
}
.cat-card-body h3 { margin: 0 0 7px; font-size: 1.06rem; line-height: 1.3; }
.cat-card-body h3 a { color: #0A2E5C; text-decoration: none; }
.cat-card-body h3 a:hover { color: #1565C0; }
.cat-card-body h3 em {
    font-style: normal;
    font-size: 0.7rem;
    font-weight: 500;
    color: #9AA8B8;
    letter-spacing: 0.6px;
    margin-left: 4px;
}
/* 型号数量徽标：数字在代码里改一行即可，不进图片 */
.cat-count {
    display: inline-block;
    font-size: 0.68rem;
    font-weight: 600;
    color: #1565C0;
    background: rgba(21,101,192,0.08);
    border: 1px solid rgba(21,101,192,0.28);
    border-radius: 20px;
    padding: 1px 9px;
    margin-left: 6px;
    vertical-align: 2px;
    white-space: nowrap;
}
.cat-card-body > p {
    font-size: 0.8rem;
    line-height: 1.7;
    color: #6B7C8F;
    margin: 0 0 12px;
}
.cat-sublinks {
    display: grid;
    grid-template-columns: 1fr 1fr;    gap: 2px 14px;
    margin-top: auto;
}
.cat-sublinks a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 6px;
    font-size: 0.81rem;
    color: #3D566E;
    text-decoration: none;
    padding: 5px 6px 5px 0;
    border-bottom: 1px dashed #EDF2F7;
    transition: color 0.15s;
}
.cat-sublinks a:hover { color: #1565C0; }
.cat-sublinks a.is-ext { color: #1565C0; font-weight: 500; }
.cat-sublinks a i {
    font-style: normal;
    font-size: 0.68rem;
    color: #97A6B6;
    background: #F1F5FA;
    padding: 1px 6px;
    border-radius: 4px;
    flex: 0 0 auto;
}
.cat-sublinks a:hover i { background: #1565C0; color: #fff; }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
    .hs-bg { width: 62%; opacity: 0.42; }
    .cat-grid { grid-template-columns: 1fr; }
}
@media (max-width: 900px) {
    .hero-slider { height: auto; min-height: 0; padding: 46px 0 74px; }
    .hs-slide { position: absolute; }
    .hs-slide.is-active { position: relative; }
    .hs-bg { width: 100%; opacity: 0.3; }
    .hs-mask { background: linear-gradient(160deg, rgba(7,32,64,0.96), rgba(9,40,80,0.82)); }
    .hs-content { max-width: 100%; }
    .hs-arrow { display: none; }
    .hs-dots { bottom: 62px; }
    .pf-results { grid-template-columns: repeat(2, 1fr); }
    .pf-select { flex: 1 1 45%; }
    .pf-btn { flex: 1 1 100%; padding: 13px 0; }
    .trust-strip { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 620px) {
    .finder-panel { margin-top: -34px; padding: 17px 15px 15px; border-radius: 12px; }
    .pf-input { flex-basis: 100%; }
    .pf-results { grid-template-columns: 1fr; }
    .trust-strip { grid-template-columns: 1fr; }
    .cat-card { flex-direction: column; }
    .cat-card-media { flex: 0 0 auto; padding: 22px 10px 38px; height: 180px; }
    .cat-sublinks { grid-template-columns: 1fr; }
}


/* ---------- 4. 横幅"整图模式"：图内已含文字（桌面整图铺满，手机切文字层） ---------- */
/* 桌面端：高度跟随图片原始比例（1920×640 = 3:1），保证横幅内容完整不被裁切 */
@media (min-width: 901px) {
    .hero-slider {
        height: auto;
        min-height: 0;
    }

    .hs-slide.is-fullbleed.is-active {
        position: relative;
    }

    .hs-slide.is-fullbleed .hs-bg {
        position: relative;
        top: auto;
        right: auto;
        width: 100%;
        height: auto;
        max-height: 840px;
        object-fit: contain;
        object-position: left top;
        display: block;
        opacity: 1;
        -webkit-mask-image: none;
        mask-image: none;
    }
}

.hs-slide.is-fullbleed .hs-bg {
    width: 100%;
    opacity: 1;
    -webkit-mask-image: none;
    mask-image: none;
}
.hs-slide.is-fullbleed .hs-mask { background: none; }
.hs-slide.is-fullbleed .hs-content { display: none; }

@media (max-width: 900px) {
    .hs-slide.is-fullbleed .hs-mask {
        background: linear-gradient(165deg, rgba(7,32,64,0.88), rgba(9,40,80,0.94));
    }
    .hs-slide.is-fullbleed .hs-content { display: block; }
}

/* ---------- 产品展示（首页搜索栏下方，真实产品实拍） ---------- */
.showcase-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-top: 4px;
}
.sc-card {
    background: #fff;
    border: 1px solid #E3EAF2;
    border-radius: 14px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform .25s, box-shadow .25s;
}
.sc-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(10, 46, 92, .12);
}
.sc-media {
    display: block;
    background: #F7FAFD;
    padding: 14px;
}
.sc-media img {
    width: 100%;
    height: 150px;
    object-fit: contain;
    display: block;
}
.sc-body {
    padding: 14px 16px 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
}
.sc-body h3 {
    font-size: 1.05rem;
    color: #0A2E5C;
    letter-spacing: .3px;
}
.sc-desc {
    font-size: .86rem;
    color: #5A6B7E;
}
.sc-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}
.sc-tags span {
    font-size: .74rem;
    color: #33506E;
    background: #EFF4FA;
    border-radius: 6px;
    padding: 3px 8px;
}
.sc-links {
    margin-top: auto;
    display: flex;
    gap: 14px;
    padding-top: 6px;
}
.sc-links a {
    font-size: .86rem;
    font-weight: 600;
    color: #1565C0;
}
.sc-links a:hover { text-decoration: underline; }
@media (max-width: 900px) {
    .showcase-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
    .showcase-grid { grid-template-columns: 1fr; }
}

/* ---------- 产品分类导航条（页头下方二级导航，全站产品页统一） ---------- */
.subnav {
    background: #FFFFFF;
    border-bottom: 1px solid #E3EAF2;
    position: sticky;
    top: var(--header-h);
    z-index: 90;
    box-shadow: 0 1px 0 rgba(10, 46, 92, .03);
}
.subnav-inner {
    display: flex;
    align-items: center;
    gap: 6px;
    overflow-x: auto;
    scrollbar-width: none;
    padding: 0;
}
.subnav-inner::-webkit-scrollbar { display: none; }

.subnav a {
    flex-shrink: 0;
    padding: 13px 15px;
    font-size: .9rem;
    font-weight: 500;
    color: #33506E;
    border-bottom: 2px solid transparent;
    white-space: nowrap;
    transition: color .2s, border-color .2s;
}
.subnav a:hover { color: #1565C0; border-bottom-color: #BBDEFB; }
.subnav a.active { color: #0A2E5C; font-weight: 700; border-bottom-color: #1565C0; }

/* 尺寸系列小标签行（分类页专用） */
.subnav-chips {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    padding: 10px 0 2px;
}
.subnav-chips a {
    font-size: .82rem;
    color: #33506E;
    background: #EFF4FA;
    border: 1px solid #DEE8F3;
    border-radius: 7px;
    padding: 5px 11px;
    white-space: nowrap;
    transition: all .2s;
}
.subnav-chips a:hover { background: #1565C0; color: #fff; border-color: #1565C0; }
.subnav-chips a.active { background: #0A2E5C; color: #fff; border-color: #0A2E5C; }

@media (max-width: 768px) {
    .subnav { top: 0; position: relative; }
    .subnav a { padding: 11px 11px; font-size: .85rem; }
}

/* ---------- 产品列表：系列分组标题 + 卡片小链接 ---------- */
.list-head { margin-bottom: 18px; }
.series-head {
    display: flex;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 10px;
    font-size: 1.15rem;
    color: #0A2E5C;
    margin: 26px 0 14px;
    padding-left: 12px;
    border-left: 4px solid #1565C0;
    scroll-margin-top: 130px;
}
.series-head:first-of-type { margin-top: 6px; }
.series-head span {
    font-size: .84rem;
    font-weight: 400;
    color: #6B7C8F;
}
.series-head i {
    font-style: normal;
    font-size: .76rem;
    color: #1565C0;
    background: #EAF3FC;
    border-radius: 20px;
    padding: 2px 10px;
    margin-left: auto;
}
.smd-grid { gap: 18px; }
.product-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}
.spec-view {
    font-size: .84rem;
    font-weight: 600;
    color: #1565C0;
}
.spec-view::before { content: '📄 '; }
.mini-inquire {
    font-size: .84rem;
    font-weight: 600;
    color: #0A2E5C;
    background: #EAF3FC;
    border-radius: 6px;
    padding: 4px 11px;
}
.mini-inquire:hover { background: #1565C0; color: #fff; }

/* ---------- 规格书展示卡（红外/插件/灯带页专用） ---------- */
.product-card-img.spec-shot {
    background: #FFFFFF;
    border-bottom: 1px solid #E9EEF5;
    padding: 0;
}
.product-card-img.spec-shot > a {
    display: block;
    width: 100%;
    height: 100%;
    line-height: 0;
}
.product-card-img.spec-shot img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
    display: block;
}
.product-card-img.spec-shot::after {
    content: '点击看完整规格书';
    position: absolute;
    left: 0; right: 0; bottom: 0;
    background: rgba(10, 46, 92, .78);
    color: #fff;
    font-size: .72rem;
    text-align: center;
    padding: 5px 0;
    opacity: 0;
    transition: opacity .2s;
}
.product-card-img.spec-shot:hover::after { opacity: 1; }
.product-card-body h3 { font-size: .98rem; line-height: 1.4; }
.product-card-body .model {
    font-size: .8rem;
    color: #1565C0;
    font-weight: 600;
    letter-spacing: .3px;
    margin-top: 4px;
    word-break: break-all;
}

@media (max-width: 900px) {
    .smd-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
    .smd-grid { grid-template-columns: 1fr; }
}

/* ---------- 产品分类总览（产品中心页） ---------- */
.cat-tree {
    background: #FFFFFF;
    border: 1px solid #E3EAF2;
    border-radius: 12px;
    padding: 20px 22px;
    transition: box-shadow .25s, border-color .25s;
}
.cat-tree:hover { border-color: #BBDEFB; box-shadow: 0 8px 22px rgba(10, 46, 92, .07); }
.cat-tree h3 {
    display: flex;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 10px;
    font-size: 1.15rem;
    color: #0A2E5C;
    margin: 0 0 12px;
    padding-left: 12px;
    border-left: 4px solid #1565C0;
}
.cat-tree h3 a { color: #0A2E5C; }
.cat-tree h3 a:hover { color: #1565C0; }
.cat-tree h3 small {
    font-size: .78rem;
    font-weight: 400;
    color: #6B7C8F;
}
.cat-tree-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 14px;
}
.cat-tree-chips a {
    font-size: .8rem;
    color: #33506E;
    background: #EFF4FA;
    border: 1px solid #DEE8F3;
    border-radius: 7px;
    padding: 5px 11px;
    transition: all .2s;
}
.cat-tree-chips a:hover { background: #1565C0; color: #fff; border-color: #1565C0; }
.cat-tree-more { font-size: .85rem; font-weight: 600; color: #1565C0; }
.cat-tree-more:hover { color: #0A2E5C; }

/* ---------- 贴片页卡片：规格书速览小图 ---------- */
.spec-mini {
    display: flex;
    align-items: center;
    gap: 7px;
    font-size: .8rem;
    font-weight: 600;
    color: #1565C0;
}
.spec-mini img {
    height: 30px;
    width: auto;
    border: 1px solid #DEE8F3;
    border-radius: 4px;
    background: #fff;
    display: block;
    transition: border-color .2s, transform .2s;
}
.spec-mini:hover { color: #0A2E5C; }
.spec-mini:hover img { border-color: #1565C0; transform: scale(1.6); position: relative; z-index: 5; }

/* ============ 产品中心 · 分类目录（大类一行 + 子系列平铺） ============ */
.cat-list { display: flex; flex-direction: column; gap: 16px; }

.cat-block {
    display: grid;
    grid-template-columns: 272px 1fr;
    background: #FFFFFF;
    border: 1px solid #E3EAF2;
    border-radius: 14px;
    overflow: hidden;
    transition: box-shadow .25s, border-color .25s;
}
.cat-block:hover { border-color: #C9DDF2; box-shadow: 0 10px 26px rgba(10, 46, 92, .07); }

.cat-block-left {
    padding: 22px 22px 20px;
    background: linear-gradient(160deg, #F6FAFF 0%, #FFFFFF 72%);
    border-right: 1px solid #EDF3F9;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}
.cat-ico {
    width: 42px; height: 42px; border-radius: 12px;
    background: linear-gradient(135deg, #0A2E5C, #1565C0);
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 12px;
    box-shadow: 0 4px 10px rgba(21, 101, 192, .22);
}
.cat-ico svg { width: 23px; height: 23px; }
.cat-block-left h3 { font-size: 1.18rem; color: #0A2E5C; margin: 0 0 2px; line-height: 1.3; }
.cat-block-left small {
    display: block; font-size: .68rem; letter-spacing: 1.4px; text-transform: uppercase;
    color: #8FA8C2; font-weight: 600; margin-bottom: 10px;
}
.cat-count { font-size: .82rem; color: #5E7A99; margin: 0 0 10px; }
.cat-count b { color: #1565C0; font-size: .95rem; }
.cat-desc { font-size: .8rem; line-height: 1.62; color: #7C93AC; margin: 0 0 14px; }
.cat-more { font-size: .84rem; font-weight: 600; color: #1565C0; margin-top: auto; }
.cat-more:hover { color: #0A2E5C; }

.cat-block-right { padding: 22px; display: flex; align-items: center; }
.chip-row { display: flex; flex-wrap: wrap; gap: 8px; width: 100%; }
.chip-row a {
    display: inline-flex; align-items: baseline; gap: 5px;
    padding: 8px 14px; border: 1px solid #DDE8F4; border-radius: 999px;
    background: #F8FBFF; color: #22456B; font-size: .86rem; font-weight: 500;
    transition: background .18s ease, color .18s ease, border-color .18s ease, transform .18s ease, box-shadow .18s ease;
}
.chip-row a:hover {
    background: #1565C0; border-color: #1565C0; color: #FFFFFF;
    transform: translateY(-1px); box-shadow: 0 4px 10px rgba(21, 101, 192, .2);
}
.chip-row a i { font-style: normal; font-size: .7rem; color: #93AAC2; }
.chip-row a:hover i { color: rgba(255, 255, 255, .75); }

.cat-footnote { margin-top: 22px; text-align: center; color: #7C93AC; font-size: .86rem; }
.cat-footnote a { color: #1565C0; font-weight: 600; }

@media (max-width: 900px) {
    .cat-block { grid-template-columns: 1fr; }
    .cat-block-left { border-right: none; border-bottom: 1px solid #EDF3F9; }
    .cat-block-right { padding: 18px; }
}

/* ============ 产品中心 · 左产品展示 + 右分类树 ============ */
.pc-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 3fr);   /* 左侧分类占 1/4 */
    gap: 22px;
    align-items: start;
}
.pc-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(172px, 1fr));
    gap: 14px;
}
.pc-card {
    background: #FFFFFF;
    border: 1px solid #E3EAF2;
    border-radius: 12px;
    overflow: hidden;
    text-decoration: none;
    display: flex;
    flex-direction: column;
    transition: box-shadow .22s ease, transform .22s ease, border-color .22s ease;
}
.pc-card:hover {
    transform: translateY(-3px);
    border-color: #C9DDF2;
    box-shadow: 0 10px 24px rgba(10, 46, 92, .1);
}
.pc-card-img {
    aspect-ratio: 1 / 1;
    background: #F8FBFF;
    display: flex; align-items: center; justify-content: center;
    padding: 10px;
}
.pc-card-img img { max-width: 100%; max-height: 100%; object-fit: contain; }
.pc-card-body { padding: 10px 11px 11px; border-top: 1px solid #F0F5FA; }
.pc-card-body h3 { font-size: .92rem; color: #173A5E; margin: 0 0 3px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.pc-card-body .pm { font-size: .78rem; color: #173A5E; font-weight: 600; font-family: Consolas, monospace; margin-bottom: 6px; word-break: break-all; }
.pc-card-foot { display: flex; align-items: center; justify-content: space-between; }
.pc-card-foot .spec { font-size: .78rem; font-weight: 600; color: #1565C0; }
.pc-card-foot .spec::after { content: " →"; }
.pc-card:hover .spec { color: #0A2E5C; }
.pc-card-foot .cat { font-size: .7rem; color: #FFFFFF; background: #1565C0; border-radius: 4px; padding: 2px 7px; }

/* 右侧分类树 */
.pc-tree {
    order: -1; /* 分类树排到左边列 */
    position: sticky;
    top: calc(var(--header-h, 64px) + 12px);
    background: #FFFFFF;
    border: 1px solid #E3EAF2;
    border-radius: 14px;
    padding: 18px 16px 14px;
    max-height: calc(100vh - 100px);
    overflow-y: auto;
    scrollbar-width: thin;
}
.pc-tree h3 {
    font-size: .95rem; color: #0A2E5C; margin: 0 0 4px;
    display: flex; align-items: center; justify-content: space-between;
}
.pc-tree h3 a { color: inherit; text-decoration: none; }
.pc-tree h3 a:hover { color: #1565C0; }
.pc-tree .t-count { font-size: .7rem; color: #8FA8C2; font-weight: 500; white-space: nowrap; }
.pc-tree-group { margin-top: 12px; padding-top: 12px; border-top: 1px solid #F0F5FA; }
.pc-tree-group:first-of-type { border-top: none; }
.pc-tree-group > a {
    display: flex; align-items: center; justify-content: space-between;
    font-size: .88rem; font-weight: 700; color: #0A2E5C;
    text-decoration: none; padding: 4px 0;
}
.pc-tree-group > a:hover { color: #1565C0; }
.pc-tree-group > a i { font-style: normal; font-size: .72rem; color: #93AAC2; font-weight: 500; }
.pc-tree-series { margin-top: 4px; display: flex; flex-direction: column; }
.pc-tree-series a {
    font-size: .8rem; color: #527096; text-decoration: none;
    padding: 4px 0 4px 14px; position: relative;
}
.pc-tree-series a::before {
    content: ""; position: absolute; left: 2px; top: 50%;
    width: 5px; height: 5px; border-radius: 50%;
    background: #C9D8EA; transform: translateY(-50%);
}
.pc-tree-series a:hover { color: #1565C0; }
.pc-tree-series a:hover::before { background: #1565C0; }
.pc-tree-series a i { font-style: normal; font-size: .68rem; color: #A9BDD2; margin-left: 4px; }

@media (max-width: 1024px) {
    .pc-layout { grid-template-columns: 1fr; }
    .pc-tree { position: static; max-height: none; order: -1; }
    .pc-tree-series { display: none; }
    .pc-tree-series.open { display: flex; }
}
@media (max-width: 640px) {
    .pc-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
}

/* ============ 产品详情页 ============ */
.subnav-plain { position: static; background: #FFFFFF; border-bottom: 1px solid #EDF3F9; }
.breadcrumb-line { display: flex; align-items: center; gap: 8px; font-size: .84rem; color: #7C93AC; padding: 11px 0; flex-wrap: wrap; }
.breadcrumb-line a { color: #527096; text-decoration: none; }
.breadcrumb-line a:hover { color: #1565C0; }
.breadcrumb-line span { color: #C3D2E2; }
.breadcrumb-line b { color: #0A2E5C; font-weight: 600; }

.pd-top { padding: 26px 0 8px; }
.pd-layout { display: grid; grid-template-columns: 1.02fr 1fr; gap: 34px; align-items: start; }

/* 图集 */
.pd-gallery { background: #FFFFFF; border: 1px solid #E3EAF2; border-radius: 16px; padding: 16px; }
.pd-stage {
    aspect-ratio: 1 / 1; background: #F8FBFF; border-radius: 12px;
    display: flex; align-items: center; justify-content: center; padding: 18px; overflow: hidden;
}
.pd-stage img { max-width: 100%; max-height: 100%; object-fit: contain; }
.pd-thumbs { display: flex; gap: 9px; margin-top: 12px; }
.pd-thumbs button {
    flex: 1; aspect-ratio: 1 / 1; border: 1px solid #E3EAF2; border-radius: 9px;
    background: #FFFFFF; padding: 6px; cursor: pointer; overflow: hidden;
    transition: border-color .18s, box-shadow .18s;
}
.pd-thumbs button img { width: 100%; height: 100%; object-fit: contain; }
.pd-thumbs button:hover { border-color: #A9C6E4; }
.pd-thumbs button.on { border-color: #1565C0; box-shadow: 0 0 0 2px rgba(21, 101, 192, .13); }

/* 右侧信息 */
.pd-info { padding-top: 4px; }
.pd-cat-tag {
    display: inline-block; font-size: .74rem; font-weight: 600; color: #1565C0;
    background: #EBF4FF; border-radius: 5px; padding: 3px 10px; margin-bottom: 12px;
}
.pd-info h1 { font-size: 1.72rem; line-height: 1.28; color: #0A2E5C; margin: 0 0 6px; font-family: Consolas, "Microsoft YaHei", monospace; }
.pd-sub { font-size: 1rem; color: #5E7A99; margin: 0 0 16px; }
.pd-hl { list-style: none; padding: 0; margin: 0 0 18px; }
.pd-hl li {
    position: relative; padding-left: 20px; font-size: .9rem; line-height: 1.9; color: #3A5878;
}
.pd-hl li::before {
    content: ""; position: absolute; left: 4px; top: .72em;
    width: 6px; height: 6px; border-radius: 50%; background: #00BCD4;
}

.pd-quick { background: #F7FAFE; border: 1px solid #E8F0F9; border-radius: 12px; padding: 14px 16px; margin-bottom: 20px; }
.pd-quick h4 { font-size: .82rem; color: #8FA8C2; font-weight: 600; letter-spacing: .6px; margin: 0 0 9px; }
.pd-quick ul { list-style: none; padding: 0; margin: 0; }
.pd-quick li { display: flex; justify-content: space-between; gap: 12px; font-size: .86rem; padding: 4px 0; border-bottom: 1px dashed #E6EEF7; }
.pd-quick li:last-child { border-bottom: none; }
.pd-quick li span { color: #7C93AC; }
.pd-quick li b { color: #0A2E5C; font-weight: 600; }

.pd-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.pd-btn {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 12px 24px; border-radius: 8px; font-size: .92rem; font-weight: 600;
    text-decoration: none; transition: all .2s ease; border: 1px solid transparent;
}
.pd-btn-primary { background: linear-gradient(135deg, #1565C0, #0A2E5C); color: #FFFFFF; box-shadow: 0 6px 16px rgba(21, 101, 192, .22); }
.pd-btn-primary:hover { transform: translateY(-1px); box-shadow: 0 9px 20px rgba(21, 101, 192, .3); }
.pd-btn-ghost { background: #FFFFFF; color: #1565C0; border-color: #C9DDF2; }
.pd-btn-ghost:hover { background: #F2F8FF; border-color: #1565C0; }
.pd-note { font-size: .8rem; color: #93AAC2; margin: 12px 0 0; }

/* 参数表 */
.pd-h2 { font-size: 1.3rem; color: #0A2E5C; margin: 0 0 6px; }
.pd-h2-sub { font-size: .86rem; color: #8FA8C2; margin: 0 0 16px; }
.pd-h3 { font-size: .96rem; color: #173A5E; margin: 18px 0 8px; }
.pd-table-wrap { overflow-x: auto; border: 1px solid #E3EAF2; border-radius: 10px; }
.pd-table { width: 100%; border-collapse: collapse; font-size: .86rem; background: #FFFFFF; }
.pd-table th {
    background: #F2F7FD; color: #22456B; font-weight: 600;
    padding: 10px 12px; text-align: left; white-space: nowrap;
    border-bottom: 1px solid #E3EAF2;
}
.pd-table td { padding: 9px 12px; color: #40597A; border-bottom: 1px solid #F0F5FA; }
.pd-table tbody tr:last-child td { border-bottom: none; }
.pd-table tbody tr:nth-child(even) { background: #FCFDFF; }
.pd-table td:first-child { color: #173A5E; font-weight: 500; }

.pd-desc p { font-size: .94rem; line-height: 2; color: #4A6480; margin: 0; }

/* 规格书入口 */
.pd-spec-box {
    display: flex; align-items: center; justify-content: space-between; gap: 18px; flex-wrap: wrap;
    background: linear-gradient(135deg, #F5FAFF, #FFFFFF);
    border: 1px solid #DDE9F6; border-radius: 14px; padding: 20px 24px;
}
.pd-spec-info { display: flex; flex-direction: column; gap: 3px; }
.pd-spec-info strong { font-size: 1rem; color: #0A2E5C; }
.pd-spec-info span { font-size: .82rem; color: #8FA8C2; }

/* 相关产品 */
.pd-rel-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; }
.pd-rel-card {
    background: #FFFFFF; border: 1px solid #E8EFF7; border-radius: 10px;
    padding: 10px; text-decoration: none; text-align: center;
    transition: border-color .2s, transform .2s, box-shadow .2s;
}
.pd-rel-card:hover { border-color: #C9DDF2; transform: translateY(-2px); box-shadow: 0 6px 16px rgba(10, 46, 92, .07); }
.pd-rel-card img { width: 100%; aspect-ratio: 1 / 1; object-fit: contain; }
.pd-rel-card span { display: block; font-size: .72rem; color: #5E7A99; font-family: Consolas, monospace; margin-top: 5px; word-break: break-all; }

@media (max-width: 1024px) {
    .pd-layout { grid-template-columns: 1fr; gap: 22px; }
    .pd-rel-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 560px) {
    .pd-info h1 { font-size: 1.32rem; }
    .pd-rel-grid { grid-template-columns: repeat(2, 1fr); }
    .pd-actions .pd-btn { flex: 1; }
}

/* ---- 详情页 · 四图轮播 ---- */
.pd-carousel {
    position: relative;
    aspect-ratio: 1 / 1;
    background: #F8FBFF;
    border-radius: 12px;
    overflow: hidden;
}
.pd-frame {
    position: absolute; inset: 0;
    width: 100%; height: 100%;
    object-fit: contain; padding: 20px;
    background: #F8FBFF;
    opacity: 0; transform: scale(.985);
    transition: opacity .45s ease, transform .45s ease;
    pointer-events: none;
}
.pd-frame.is-on { opacity: 1; transform: scale(1); pointer-events: auto; }
.pd-nav {
    position: absolute; top: 50%; transform: translateY(-50%);
    width: 38px; height: 38px; border-radius: 50%;
    border: none; cursor: pointer;
    background: rgba(255, 255, 255, .88); color: #0A2E5C;
    font-size: 1.35rem; line-height: 1;
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 3px 10px rgba(10, 46, 92, .16);
    transition: background .18s, color .18s;
    z-index: 3;
}
.pd-nav:hover { background: #1565C0; color: #FFFFFF; }
.pd-prev { left: 10px; }
.pd-next { right: 10px; }
.pd-dots {
    position: absolute; left: 0; right: 0; bottom: 12px;
    display: flex; justify-content: center; gap: 7px; z-index: 3;
}
.pd-dots i {
    width: 8px; height: 8px; border-radius: 50%;
    background: #C7D7E8; cursor: pointer; transition: all .2s;
}
.pd-dots i.on { background: #1565C0; width: 20px; border-radius: 5px; }

/* ---- 详情页 · 关键词标签 ---- */
.pd-kws { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 16px; }
.pd-kw {
    font-size: .76rem; color: #3A6EA8; background: #F0F7FF;
    border: 1px solid #D8E8F8; border-radius: 999px; padding: 3px 11px;
}

/* ---- 详情页 · 面包屑 + 规格书图片预览 ---- */
.pd-crumb { font-size: .82rem; color: #9FB4CB; margin: 0 0 18px; }
.pd-crumb a { color: #5E7A99; text-decoration: none; }
.pd-crumb a:hover { color: #1565C0; }
.pd-crumb span { margin: 0 8px; }
.pd-crumb b { color: #173A5E; font-weight: 600; }
.subnav-inner a.active { color: #1565C0; font-weight: 600; box-shadow: inset 0 -2px 0 #00BCD4; }

.pd-spec-pages { max-width: 880px; margin: 0 auto; display: flex; flex-direction: column; gap: 18px; }
.pd-spec-pages img {
    width: 100%; background: #FFFFFF; border: 1px solid #E3EAF2; border-radius: 10px;
    box-shadow: 0 6px 18px rgba(10, 46, 92, .06);
    -webkit-user-drag: none; user-select: none; pointer-events: auto;
}

/* ---- 产品中心 · 分页 ---- */
.pc-pager { display: flex; justify-content: center; align-items: center; gap: 8px; margin-top: 28px; flex-wrap: wrap; }
.pc-pager .pp-btn {
    min-width: 38px; height: 38px; padding: 0 14px;
    border: 1px solid #DCE7F3; background: #FFFFFF; color: #3A5878;
    border-radius: 8px; font-size: .86rem; cursor: pointer; transition: all .18s;
}
.pc-pager .pp-btn:hover:not(:disabled) { border-color: #1565C0; color: #1565C0; }
.pc-pager .pp-btn.on { background: linear-gradient(135deg, #1565C0, #0A2E5C); color: #FFFFFF; border-color: transparent; font-weight: 600; }
.pc-pager .pp-btn:disabled { opacity: .4; cursor: not-allowed; }
.pc-pager .pp-dots { color: #9FB4CB; }

/* 分类页产品卡整卡可点 */
.product-card.is-clickable { cursor: pointer; }