@charset "utf-8";
/* ============================================================
   矿井照明专题页 - 独立CSS
   命名空间: zbl-mine-
   布局方式: CSS Grid
   ============================================================ */

/* ========== 页面根容器 ========== */
.zbl-mine-page {
    width: 100%;
    overflow: hidden;
    color: #333;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    font-size: 14px;
    line-height: 1.6;
}

.zbl-mine-page * {
    box-sizing: border-box;
}

.zbl-mine-page img {
    max-width: 100%;
    display: block;
}

/* ========== 通用容器 ========== */
.zbl-mine-container {
    width: 1580px;
    max-width: 92%;
    margin: 0 auto;
}

/* ========== 通用标题 ========== */
.zbl-mine-section-title {
    text-align: center;
    margin-bottom: 60px;
}

.zbl-mine-section-title h2 {
    font-size: 40px;
    font-weight: 700;
    color: #122F53;
    line-height: 1.2;
    margin-bottom: 16px;
}

.zbl-mine-section-title .zbl-mine-title-bar {
    display: block;
    width: 48px;
    height: 4px;
    background: #1f5dcb;
    margin: 0 auto 20px;
    border-radius: 2px;
}

.zbl-mine-section-title p {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
    max-width: 720px;
    margin: 0 auto;
}

/* ========== Hero 首屏 ========== */
.zbl-mine-hero {
    position: relative;
    width: 100%;
    min-height: 620px;
    display: grid;
    place-items: center;
    overflow: hidden;
    background: linear-gradient(135deg, #081A2E 0%, #122F53 40%, #1a3d6b 100%);
}

.zbl-mine-hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.zbl-mine-hero-bg .zbl-mine-hero-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.35;
}

.zbl-mine-hero::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(8, 26, 46, 0.4) 0%, rgba(8, 26, 46, 0.75) 100%);
    z-index: 1;
}

.zbl-mine-hero-content {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
    max-width: 1200px;
    padding: 120px 20px 100px;
    width: 100%;
}

.zbl-mine-hero-text .zbl-mine-hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    letter-spacing: 3px;
    color: #3B82F6;
    margin-bottom: 20px;
    text-transform: uppercase;
    font-weight: 600;
}

.zbl-mine-hero-text .zbl-mine-hero-tag::before {
    content: "";
    width: 24px;
    height: 2px;
    background: #3B82F6;
    display: inline-block;
}

.zbl-mine-hero h1 {
    font-size: 48px;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 24px;
    color: #fff;
}

.zbl-mine-hero h1 .zbl-mine-highlight {
    color: #3B82F6;
}

.zbl-mine-hero-desc {
    font-size: 17px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.82);
    margin-bottom: 36px;
}

.zbl-mine-hero-cta-group {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.zbl-mine-hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 36px;
    background: #1f5dcb;
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    border-radius: 6px;
    transition: all 0.35s ease;
    text-decoration: none;
}

.zbl-mine-hero-cta:hover {
    background: #3B82F6;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(31, 93, 203, 0.4);
}

.zbl-mine-hero-cta::after {
    content: "→";
    font-size: 17px;
    transition: transform 0.3s ease;
}

.zbl-mine-hero-cta:hover::after {
    transform: translateX(4px);
}

.zbl-mine-hero-cta-outline {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 36px;
    background: transparent;
    color: #fff;
    font-size: 15px;
    font-weight: 500;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 6px;
    transition: all 0.35s ease;
    text-decoration: none;
}

.zbl-mine-hero-cta-outline:hover {
    border-color: #3B82F6;
    color: #3B82F6;
}

/* Hero 右侧信息卡 */
.zbl-mine-hero-card {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 12px;
    padding: 36px;
    backdrop-filter: blur(10px);
}

.zbl-mine-hero-card-title {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 24px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.zbl-mine-hero-card-list {
    display: grid;
    gap: 18px;
}

.zbl-mine-hero-card-item {
    display: grid;
    grid-template-columns: 44px 1fr;
    gap: 16px;
    align-items: center;
}

.zbl-mine-hero-card-icon {
    width: 44px;
    height: 44px;
    border-radius: 8px;
    background: rgba(59, 130, 246, 0.15);
    color: #3B82F6;
    display: grid;
    place-items: center;
    font-size: 22px;
}

.zbl-mine-hero-card-item h3 {
    font-size: 15px;
    color: #fff;
    font-weight: 600;
    margin-bottom: 2px;
}

.zbl-mine-hero-card-item p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
}

/* ========== 数据亮点条 ========== */
.zbl-mine-stats {
    padding: 56px 0;
    background: #081A2E;
    color: #fff;
    border-top: 3px solid #1f5dcb;
}

.zbl-mine-stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    text-align: center;
}

.zbl-mine-stat-item .zbl-mine-stat-num {
    font-size: 44px;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 8px;
    color: #3B82F6;
}

.zbl-mine-stat-item .zbl-mine-stat-label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.65);
}

/* ========== 技术概述 ========== */
.zbl-mine-overview {
    padding: 100px 0;
    background: #fff;
}

.zbl-mine-overview-grid {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 70px;
    align-items: center;
}

.zbl-mine-overview-text h2 {
    font-size: 34px;
    font-weight: 700;
    color: #122F53;
    margin-bottom: 16px;
    line-height: 1.3;
}

.zbl-mine-overview-text .zbl-mine-title-bar {
    display: block;
    width: 48px;
    height: 4px;
    background: #1f5dcb;
    margin-bottom: 28px;
    border-radius: 2px;
}

.zbl-mine-overview-text > p {
    font-size: 15px;
    color: #555;
    line-height: 1.9;
    margin-bottom: 20px;
}

.zbl-mine-overview-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin-top: 32px;
}

.zbl-mine-overview-feature {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 14px 16px;
    background: #f8f9fb;
    border-radius: 8px;
    border-left: 3px solid #1f5dcb;
}

.zbl-mine-overview-feature-icon {
    flex-shrink: 0;
    color: #1f5dcb;
    font-size: 16px;
    font-weight: 700;
    margin-top: 1px;
}

.zbl-mine-overview-feature span {
    font-size: 14px;
    color: #333;
    line-height: 1.5;
}

.zbl-mine-overview-img {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    aspect-ratio: 5 / 4;
    background: #f0f4f8;
}

.zbl-mine-overview-img .zbl-mine-img-placeholder {
    width: 100%;
    height: 100%;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, #081A2E 0%, #122F53 100%);
    color: rgba(255, 255, 255, 0.25);
    font-size: 14px;
}

/* ========== 核心优势 ========== */
.zbl-mine-advantages {
    padding: 100px 0;
    background: #f5f7fa;
}

.zbl-mine-adv-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.zbl-mine-adv-card {
    background: #fff;
    border-radius: 10px;
    padding: 36px 30px;
    position: relative;
    overflow: hidden;
    transition: all 0.4s ease;
    border-top: 4px solid transparent;
}

.zbl-mine-adv-card:nth-child(1) { border-top-color: #1f5dcb; }
.zbl-mine-adv-card:nth-child(2) { border-top-color: #3B82F6; }
.zbl-mine-adv-card:nth-child(3) { border-top-color: #002182; }
.zbl-mine-adv-card:nth-child(4) { border-top-color: #122F53; }
.zbl-mine-adv-card:nth-child(5) { border-top-color: #1a50af; }
.zbl-mine-adv-card:nth-child(6) { border-top-color: #2563eb; }

.zbl-mine-adv-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 36px rgba(8, 26, 46, 0.12);
}

.zbl-mine-adv-num {
    position: absolute;
    top: 24px;
    right: 28px;
    font-size: 48px;
    font-weight: 800;
    color: #f0f2f5;
    line-height: 1;
    transition: color 0.4s ease;
}

.zbl-mine-adv-card:hover .zbl-mine-adv-num {
    color: #e8ecf2;
}

.zbl-mine-adv-icon {
    width: 56px;
    height: 56px;
    margin-bottom: 20px;
    border-radius: 10px;
    display: grid;
    place-items: center;
    font-size: 26px;
}

.zbl-mine-adv-card:nth-child(1) .zbl-mine-adv-icon { background: #e8f0fe; color: #1f5dcb; }
.zbl-mine-adv-card:nth-child(2) .zbl-mine-adv-icon { background: #eff6ff; color: #3B82F6; }
.zbl-mine-adv-card:nth-child(3) .zbl-mine-adv-icon { background: #e8edf2; color: #002182; }
.zbl-mine-adv-card:nth-child(4) .zbl-mine-adv-icon { background: #e8edf2; color: #122F53; }
.zbl-mine-adv-card:nth-child(5) .zbl-mine-adv-icon { background: #e8f0fe; color: #1a50af; }
.zbl-mine-adv-card:nth-child(6) .zbl-mine-adv-icon { background: #eff6ff; color: #2563eb; }

.zbl-mine-adv-card h3 {
    font-size: 19px;
    font-weight: 600;
    color: #122F53;
    margin-bottom: 10px;
    position: relative;
    z-index: 2;
}

.zbl-mine-adv-card p {
    font-size: 14px;
    color: #666;
    line-height: 1.8;
    position: relative;
    z-index: 2;
}

/* ========== 应用场景 ========== */
.zbl-mine-scenes {
    padding: 100px 0;
    background: #fff;
}

.zbl-mine-scenes-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: 240px;
    gap: 20px;
}

.zbl-mine-scene-card {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    cursor: pointer;
    background: #122F53;
}

.zbl-mine-scene-card:nth-child(1) {
    grid-column: span 2;
    grid-row: span 2;
}

.zbl-mine-scene-img,
.zbl-mine-scene-placeholder {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.zbl-mine-scene-placeholder {
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, #081A2E 0%, #122F53 100%);
    color: rgba(255, 255, 255, 0.2);
    font-size: 13px;
}

.zbl-mine-scene-card:hover .zbl-mine-scene-img,
.zbl-mine-scene-card:hover .zbl-mine-scene-placeholder {
    transform: scale(1.06);
}

.zbl-mine-scene-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 24px;
    background: linear-gradient(to top, rgba(8, 26, 46, 0.95) 0%, rgba(8, 26, 46, 0.4) 70%, transparent 100%);
    color: #fff;
}

.zbl-mine-scene-tag {
    display: inline-block;
    padding: 3px 10px;
    background: rgba(31, 93, 203, 0.9);
    color: #fff;
    font-size: 11px;
    font-weight: 600;
    border-radius: 3px;
    margin-bottom: 8px;
}

.zbl-mine-scene-overlay h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 6px;
}

.zbl-mine-scene-overlay p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.5;
}

/* ========== 产品选型 ========== */
.zbl-mine-selection {
    padding: 100px 0;
    background: #f5f7fa;
}

.zbl-mine-selection-layout {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 40px;
    align-items: start;
}

.zbl-mine-selection-sidebar {
    position: sticky;
    top: 100px;
    background: #fff;
    border-radius: 10px;
    padding: 16px 0;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.zbl-mine-sidebar-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 24px;
    cursor: pointer;
    font-size: 15px;
    color: #555;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
    user-select: none;
}

.zbl-mine-sidebar-item:hover {
    color: #1f5dcb;
    background: #e8f0fe;
}

.zbl-mine-sidebar-item.zbl-mine-active {
    color: #1f5dcb;
    font-weight: 600;
    border-left-color: #1f5dcb;
    background: #e8f0fe;
}

.zbl-mine-sidebar-icon {
    width: 32px;
    height: 32px;
    border-radius: 6px;
    background: #f0f4f8;
    display: grid;
    place-items: center;
    font-size: 16px;
    flex-shrink: 0;
}

.zbl-mine-sidebar-item.zbl-mine-active .zbl-mine-sidebar-icon {
    background: #e8f0fe;
}

.zbl-mine-tab-content {
    display: none;
}

.zbl-mine-tab-content.zbl-mine-active {
    display: block;
    animation: zblMineFadeIn 0.4s ease;
}

@keyframes zblMineFadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.zbl-mine-product-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.zbl-mine-product-card {
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    display: grid;
    grid-template-columns: 160px 1fr;
    transition: all 0.35s ease;
    border: 1px solid #eef1f5;
}

.zbl-mine-product-card:hover {
    box-shadow: 0 12px 28px rgba(8, 26, 46, 0.1);
    transform: translateY(-3px);
}

.zbl-mine-product-img {
    background: #f0f4f8;
    overflow: hidden;
    position: relative;
}

.zbl-mine-product-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.zbl-mine-product-card:hover .zbl-mine-product-img img {
    transform: scale(1.06);
}

.zbl-mine-product-placeholder {
    width: 100%;
    height: 100%;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, #e8edf2 0%, #d4dce5 100%);
    color: #99a5b0;
    font-size: 12px;
    text-align: center;
    padding: 8px;
}

.zbl-mine-product-badge {
    position: absolute;
    top: 10px;
    left: 10px;
    padding: 3px 8px;
    background: #1f5dcb;
    color: #fff;
    font-size: 11px;
    font-weight: 600;
    border-radius: 3px;
    z-index: 2;
}

.zbl-mine-product-info {
    padding: 20px 22px;
}

.zbl-mine-product-info h3 {
    font-size: 16px;
    font-weight: 600;
    color: #122F53;
    margin-bottom: 10px;
    line-height: 1.4;
}

.zbl-mine-product-specs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4px 12px;
    margin-bottom: 12px;
}

.zbl-mine-product-specs li {
    font-size: 12px;
    color: #666;
    padding-left: 12px;
    position: relative;
    line-height: 1.7;
}

.zbl-mine-product-specs li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 7px;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: #1f5dcb;
}

.zbl-mine-product-info {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: #1f5dcb;
    font-weight: 500;
    transition: gap 0.3s ease;
}

.zbl-mine-product-link:hover {
    gap: 10px;
    color: #3B82F6;
}

.zbl-mine-product-link::after {
    content: "→";
}

/* ========== 安装注意事项 ========== */
.zbl-mine-installation {
    padding: 100px 0;
    background: #081A2E;
    color: #fff;
}

.zbl-mine-installation .zbl-mine-section-title h2 {
    color: #fff;
}

.zbl-mine-installation .zbl-mine-section-title p {
    color: rgba(255, 255, 255, 0.7);
}

.zbl-mine-install-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.zbl-mine-install-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 32px 28px;
    transition: all 0.35s ease;
    position: relative;
}

.zbl-mine-install-card:hover {
    background: rgba(31, 93, 203, 0.08);
    border-color: rgba(31, 93, 203, 0.3);
}

.zbl-mine-install-card-num {
    font-size: 40px;
    font-weight: 800;
    color: rgba(59, 130, 246, 0.3);
    line-height: 1;
    margin-bottom: 16px;
}

.zbl-mine-install-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: #3B82F6;
    margin-bottom: 12px;
}

.zbl-mine-install-card p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.72);
    line-height: 1.8;
}

/* ========== 安全规范提示 ========== */
.zbl-mine-safety {
    padding: 80px 0;
    background: #fff;
}

.zbl-mine-safety-box {
    background: linear-gradient(135deg, #e8f0fe 0%, #dbeafe 100%);
    border: 1px solid #bfdbfe;
    border-radius: 12px;
    padding: 40px 48px;
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: 32px;
    align-items: center;
}

.zbl-mine-safety-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: #1f5dcb;
    color: #fff;
    display: grid;
    place-items: center;
    font-size: 38px;
    flex-shrink: 0;
}

.zbl-mine-safety-text h3 {
    font-size: 20px;
    font-weight: 700;
    color: #122F53;
    margin-bottom: 10px;
}

.zbl-mine-safety-text p {
    font-size: 14px;
    color: #1f5dcb;
    line-height: 1.8;
}

.zbl-mine-safety-text p strong {
    color: #122F53;
}

/* ========== 认证对比 ========== */
.zbl-mine-cert {
    padding: 100px 0;
    background: #fff;
}

.zbl-mine-cert-table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: 10px;
    border: 1px solid #e8edf2;
}

.zbl-mine-cert-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 820px;
    background: #fff;
}

.zbl-mine-cert-table thead {
    background: #122F53;
    color: #fff;
}

.zbl-mine-cert-table thead th {
    padding: 18px 16px;
    font-size: 15px;
    font-weight: 600;
    text-align: left;
    white-space: nowrap;
    border-right: 1px solid rgba(255, 255, 255, 0.1);
}

.zbl-mine-cert-table thead th:last-child {
    border-right: none;
}

.zbl-mine-cert-table thead th .zbl-mine-cert-flag {
    display: block;
    font-size: 13px;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 4px;
}

.zbl-mine-cert-table tbody tr {
    transition: background 0.2s ease;
    border-bottom: 1px solid #eef1f5;
}

.zbl-mine-cert-table tbody tr:last-child {
    border-bottom: none;
}

.zbl-mine-cert-table tbody tr:nth-child(even) {
    background: #f7f9fc;
}

.zbl-mine-cert-table tbody tr:hover {
    background: #e8f0fe;
}

.zbl-mine-cert-table tbody td {
    padding: 16px;
    font-size: 14px;
    color: #444;
    line-height: 1.7;
    vertical-align: top;
    border-right: 1px solid #eef1f5;
}

.zbl-mine-cert-table tbody td:last-child {
    border-right: none;
}

.zbl-mine-cert-table tbody td:first-child {
    font-weight: 600;
    color: #122F53;
    white-space: nowrap;
}

.zbl-mine-cert-table tbody td .zbl-mine-cert-label {
    display: inline-block;
    padding: 2px 8px;
    background: #e8f0fe;
    color: #1f5dcb;
    font-size: 12px;
    font-weight: 600;
    border-radius: 3px;
    margin-right: 4px;
    white-space: nowrap;
}

.zbl-mine-cert-table tbody td .zbl-mine-cert-mark {
    display: inline-block;
    padding: 2px 8px;
    background: #122F53;
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    border-radius: 3px;
    margin-right: 4px;
    white-space: nowrap;
}

.zbl-mine-cert-notes {
    margin-top: 28px;
    padding: 24px 28px;
    background: #f7f9fc;
    border-radius: 8px;
    border-left: 4px solid #1f5dcb;
}

.zbl-mine-cert-notes h4 {
    font-size: 15px;
    font-weight: 600;
    color: #122F53;
    margin-bottom: 12px;
}

.zbl-mine-cert-notes ul {
    display: grid;
    gap: 8px;
}

.zbl-mine-cert-notes li {
    font-size: 13px;
    color: #555;
    line-height: 1.7;
    padding-left: 16px;
    position: relative;
}

.zbl-mine-cert-notes li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: #1f5dcb;
    font-weight: 700;
}

/* ========== 响应式 - 768px (认证表格) ========== */
@media all and (max-width: 768px) {
    .zbl-mine-cert {
        padding: 56px 0;
    }

    .zbl-mine-cert-table thead th {
        padding: 14px 12px;
        font-size: 13px;
    }

    .zbl-mine-cert-table thead th .zbl-mine-cert-flag {
        font-size: 11px;
    }

    .zbl-mine-cert-table tbody td {
        padding: 12px 10px;
        font-size: 13px;
    }

    .zbl-mine-cert-notes {
        padding: 18px 20px;
    }

    .zbl-mine-cert-notes h4 {
        font-size: 14px;
    }

    .zbl-mine-cert-notes li {
        font-size: 12px;
    }
}

/* ========== FAQ ========== */
.zbl-mine-faq {
    padding: 100px 0;
    background: #f5f7fa;
}

.zbl-mine-faq-container {
    max-width: 880px;
    margin: 0 auto;
}

.zbl-mine-faq-item {
    background: #fff;
    border-radius: 10px;
    margin-bottom: 14px;
    overflow: hidden;
    border: 1px solid #eef1f5;
    transition: all 0.3s ease;
}

.zbl-mine-faq-item:hover {
    border-color: #bfdbfe;
}

.zbl-mine-faq-item.zbl-mine-open {
    border-color: #1f5dcb;
    box-shadow: 0 4px 16px rgba(31, 93, 203, 0.1);
}

.zbl-mine-faq-question {
    padding: 22px 28px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    user-select: none;
}

.zbl-mine-faq-question h3 {
    font-size: 16px;
    font-weight: 600;
    color: #122F53;
    line-height: 1.5;
}

.zbl-mine-faq-icon {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: #e8f0fe;
    color: #1f5dcb;
    display: grid;
    place-items: center;
    font-size: 18px;
    font-weight: 700;
    transition: all 0.3s ease;
}

.zbl-mine-faq-item.zbl-mine-open .zbl-mine-faq-icon {
    background: #1f5dcb;
    color: #fff;
    transform: rotate(45deg);
}

.zbl-mine-faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.zbl-mine-faq-item.zbl-mine-open .zbl-mine-faq-answer {
    max-height: 600px;
}

.zbl-mine-faq-answer-inner {
    padding: 0 28px 24px;
}

.zbl-mine-faq-answer-inner p {
    font-size: 14px;
    color: #555;
    line-height: 1.9;
}

.zbl-mine-faq-answer-inner p + p {
    margin-top: 10px;
}

/* ========== CTA ========== */
.zbl-mine-cta {
    padding: 90px 0;
    background: linear-gradient(135deg, #081A2E 0%, #122F53 100%);
    position: relative;
    overflow: hidden;
}

.zbl-mine-cta::before {
    content: "";
    position: absolute;
    top: -30%;
    right: -5%;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(31, 93, 203, 0.12) 0%, transparent 70%);
    pointer-events: none;
}

.zbl-mine-cta-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: #fff;
}

.zbl-mine-cta h2 {
    font-size: 38px;
    font-weight: 700;
    margin-bottom: 16px;
}

.zbl-mine-cta .zbl-mine-title-bar {
    display: block;
    width: 48px;
    height: 4px;
    background: #3B82F6;
    margin: 0 auto 24px;
    border-radius: 2px;
}

.zbl-mine-cta p {
    font-size: 17px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 36px;
    line-height: 1.8;
}

.zbl-mine-cta-buttons {
    display: flex;
    justify-content: center;
    gap: 18px;
    flex-wrap: wrap;
}

.zbl-mine-cta-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 15px 38px;
    background: #1f5dcb;
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    border-radius: 6px;
    transition: all 0.3s ease;
    text-decoration: none;
}

.zbl-mine-cta-primary:hover {
    background: #3B82F6;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(31, 93, 203, 0.4);
}

.zbl-mine-cta-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 15px 38px;
    background: transparent;
    color: #fff;
    font-size: 16px;
    font-weight: 500;
    border: 1px solid rgba(255, 255, 255, 0.35);
    border-radius: 6px;
    transition: all 0.3s ease;
    text-decoration: none;
}

.zbl-mine-cta-secondary:hover {
    border-color: #3B82F6;
    color: #3B82F6;
}

.zbl-mine-cta-contact {
    margin-top: 40px;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: center;
    gap: 48px;
    flex-wrap: wrap;
}

.zbl-mine-cta-contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
}

.zbl-mine-cta-contact-item strong {
    color: #3B82F6;
    font-size: 17px;
    font-weight: 600;
}

/* ========== 响应式 - 1599px ========== */
@media all and (max-width: 1599px) {
    .zbl-mine-container {
        width: 92%;
    }

    .zbl-mine-section-title h2 {
        font-size: 36px;
    }

    .zbl-mine-hero h1 {
        font-size: 42px;
    }

    .zbl-mine-overview-text h2 {
        font-size: 30px;
    }
}

/* ========== 响应式 - 1279px ========== */
@media all and (max-width: 1279px) {
    .zbl-mine-section-title h2 {
        font-size: 30px;
    }

    .zbl-mine-section-title {
        margin-bottom: 48px;
    }

    .zbl-mine-hero h1 {
        font-size: 36px;
    }

    .zbl-mine-hero-desc {
        font-size: 15px;
    }

    .zbl-mine-overview,
    .zbl-mine-advantages,
    .zbl-mine-scenes,
    .zbl-mine-selection,
    .zbl-mine-installation,
    .zbl-mine-safety,
    .zbl-mine-faq,
    .zbl-mine-cta {
        padding: 80px 0;
    }

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

    .zbl-mine-overview-grid {
        gap: 40px;
    }

    .zbl-mine-overview-text h2 {
        font-size: 26px;
    }

    .zbl-mine-stats-grid {
        gap: 20px;
    }

    .zbl-mine-stat-item .zbl-mine-stat-num {
        font-size: 36px;
    }

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

    .zbl-mine-selection-layout {
        grid-template-columns: 200px 1fr;
        gap: 30px;
    }
}

/* ========== 响应式 - 1024px (平板) ========== */
@media all and (max-width: 1024px) {
    .zbl-mine-hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
        padding: 100px 20px 80px;
    }

    .zbl-mine-hero h1 {
        font-size: 32px;
    }

    .zbl-mine-overview-grid {
        grid-template-columns: 1fr;
    }

    .zbl-mine-overview-img {
        order: -1;
    }

    .zbl-mine-scenes-grid {
        grid-template-columns: repeat(2, 1fr);
        grid-auto-rows: 200px;
    }

    .zbl-mine-scene-card:nth-child(1) {
        grid-column: span 2;
        grid-row: span 1;
    }

    .zbl-mine-stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }

    .zbl-mine-selection-layout {
        grid-template-columns: 1fr;
    }

    .zbl-mine-selection-sidebar {
        position: static;
        display: flex;
        overflow-x: auto;
        padding: 8px;
        gap: 8px;
        -webkit-overflow-scrolling: touch;
    }

    .zbl-mine-sidebar-item {
        flex-shrink: 0;
        border-left: none;
        border-bottom: 3px solid transparent;
        padding: 12px 18px;
        border-radius: 6px;
    }

    .zbl-mine-sidebar-item.zbl-mine-active {
        border-left-color: transparent;
        border-bottom-color: #1f5dcb;
    }

    .zbl-mine-product-list {
        grid-template-columns: 1fr;
    }

    .zbl-mine-install-grid {
        grid-template-columns: 1fr;
    }

    .zbl-mine-safety-box {
        grid-template-columns: 60px 1fr;
        gap: 20px;
        padding: 28px 32px;
    }

    .zbl-mine-safety-icon {
        width: 60px;
        height: 60px;
        font-size: 28px;
    }
}

/* ========== 响应式 - 768px ========== */
@media all and (max-width: 768px) {
    .zbl-mine-section-title h2 {
        font-size: 24px;
    }

    .zbl-mine-section-title .zbl-mine-title-bar {
        width: 36px;
        height: 3px;
        margin-bottom: 16px;
    }

    .zbl-mine-section-title p {
        font-size: 14px;
    }

    .zbl-mine-section-title {
        margin-bottom: 36px;
    }

    .zbl-mine-hero {
        min-height: 500px;
    }

    .zbl-mine-hero-content {
        padding: 80px 20px 60px;
    }

    .zbl-mine-hero h1 {
        font-size: 28px;
        margin-bottom: 16px;
    }

    .zbl-mine-hero-desc {
        font-size: 14px;
        margin-bottom: 24px;
    }

    .zbl-mine-hero-cta,
    .zbl-mine-hero-cta-outline {
        padding: 11px 26px;
        font-size: 14px;
    }

    .zbl-mine-hero-card {
        padding: 24px;
    }

    .zbl-mine-hero-card-item {
        grid-template-columns: 36px 1fr;
        gap: 12px;
    }

    .zbl-mine-hero-card-icon {
        width: 36px;
        height: 36px;
        font-size: 18px;
    }

    .zbl-mine-overview,
    .zbl-mine-advantages,
    .zbl-mine-scenes,
    .zbl-mine-selection,
    .zbl-mine-installation,
    .zbl-mine-safety,
    .zbl-mine-faq,
    .zbl-mine-cta {
        padding: 56px 0;
    }

    .zbl-mine-adv-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .zbl-mine-adv-card {
        padding: 28px 24px;
    }

    .zbl-mine-overview-text h2 {
        font-size: 22px;
    }

    .zbl-mine-overview-features {
        grid-template-columns: 1fr;
    }

    .zbl-mine-scenes-grid {
        grid-template-columns: 1fr;
        grid-auto-rows: 180px;
    }

    .zbl-mine-scene-card:nth-child(1) {
        grid-column: span 1;
    }

    .zbl-mine-scene-overlay h3 {
        font-size: 16px;
    }

    .zbl-mine-scene-overlay p {
        font-size: 12px;
    }

    .zbl-mine-product-card {
        grid-template-columns: 120px 1fr;
    }

    .zbl-mine-product-info {
        padding: 16px 18px;
    }

    .zbl-mine-product-info h3 {
        font-size: 14px;
    }

    .zbl-mine-product-specs li {
        font-size: 11px;
    }

    .zbl-mine-install-card {
        padding: 24px 20px;
    }

    .zbl-mine-install-card h3 {
        font-size: 16px;
    }

    .zbl-mine-install-card p {
        font-size: 13px;
    }

    .zbl-mine-safety-box {
        grid-template-columns: 1fr;
        text-align: center;
        padding: 28px 24px;
    }

    .zbl-mine-safety-icon {
        margin: 0 auto;
    }

    .zbl-mine-faq-question {
        padding: 18px 20px;
    }

    .zbl-mine-faq-question h3 {
        font-size: 14px;
    }

    .zbl-mine-faq-answer-inner {
        padding: 0 20px 20px;
    }

    .zbl-mine-faq-answer-inner p {
        font-size: 13px;
    }

    .zbl-mine-cta h2 {
        font-size: 24px;
    }

    .zbl-mine-cta p {
        font-size: 15px;
        margin-bottom: 28px;
    }

    .zbl-mine-cta-primary,
    .zbl-mine-cta-secondary {
        padding: 12px 28px;
        font-size: 14px;
    }

    .zbl-mine-cta-contact {
        gap: 20px;
        margin-top: 28px;
        padding-top: 24px;
    }

    .zbl-mine-cta-contact-item strong {
        font-size: 15px;
    }

    .zbl-mine-stats {
        padding: 40px 0;
    }

    .zbl-mine-stat-item .zbl-mine-stat-num {
        font-size: 30px;
    }

    .zbl-mine-stat-item .zbl-mine-stat-label {
        font-size: 12px;
    }
}

/* ========== 响应式 - 480px ========== */
@media all and (max-width: 480px) {
    .zbl-mine-section-title h2 {
        font-size: 20px;
    }

    .zbl-mine-hero h1 {
        font-size: 24px;
    }

    .zbl-mine-hero-cta-group {
        flex-direction: column;
    }

    .zbl-mine-hero-cta,
    .zbl-mine-hero-cta-outline {
        width: 100%;
        justify-content: center;
    }

    .zbl-mine-stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 20px;
    }

    .zbl-mine-stat-item .zbl-mine-stat-num {
        font-size: 26px;
    }

    .zbl-mine-cta h2 {
        font-size: 22px;
    }

    .zbl-mine-cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .zbl-mine-cta-primary,
    .zbl-mine-cta-secondary {
        width: 100%;
        max-width: 260px;
        justify-content: center;
    }

    .zbl-mine-cta-contact {
        flex-direction: column;
        gap: 14px;
        align-items: center;
    }

    .zbl-mine-product-card {
        grid-template-columns: 1fr;
    }

    .zbl-mine-product-img {
        height: 140px;
    }
}

/* ========== 响应式 - 375px ========== */
@media all and (max-width: 375px) {
    .zbl-mine-hero h1 {
        font-size: 22px;
    }

    .zbl-mine-section-title h2 {
        font-size: 19px;
    }

    .zbl-mine-overview-text h2 {
        font-size: 20px;
    }

    .zbl-mine-cta h2 {
        font-size: 20px;
    }

    .zbl-mine-adv-card {
        padding: 24px 20px;
    }

    .zbl-mine-stat-item .zbl-mine-stat-num {
        font-size: 22px;
    }
}