/**
 * Kejie Phone Case - 网站首页 (front-page.php) 专属样式
 */

/* 1. 首页 Hero 首屏轮播图（占满全屏，高度约 800px 响应式设计） */
.hero-slider-section {
    position: relative;
    width: 100%;
    background-color: #ffffff;
    overflow: hidden;
    padding: 0;
    margin: 0;
}

.hero-slider {
    position: relative;
    width: 100%;
    max-width: 100%;
    aspect-ratio: 1920 / 800;
    height: auto;
    overflow: hidden;
    background-color: var(--color-bg-gray, #f1f5f9);
    margin: 0;
    border-radius: 0;
    box-shadow: none;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.6s ease, visibility 0.6s ease;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-slide.active {
    opacity: 1;
    visibility: visible;
    z-index: 2;
}

.hero-slide-link {
    display: block;
    width: 100%;
    height: 100%;
    text-decoration: none;
    cursor: pointer;
}

.hero-slide-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
}

.hero-slide-overlay {
    display: none;
}

.hero-slide-content {
    display: none;
}

/* 轮播左右切换箭头（垂直居中、半透明深色圆形底、悬浮主色、流体自适应） */
.hero-slider-arrow {
    position: absolute;
    top: 50%;
    bottom: auto;
    transform: translateY(-50%);
    width: clamp(32px, 3vw, 46px);
    height: clamp(32px, 3vw, 46px);
    border-radius: 50%;
    background: rgba(30, 36, 43, 0.38);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    border: none;
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.18);
    transition: all var(--transition-fast, 0.2s ease);
    z-index: 10;
}

.hero-slider-arrow svg {
    width: clamp(14px, 1.3vw, 20px);
    height: clamp(14px, 1.3vw, 20px);
}

.hero-slider-arrow:hover {
    background: var(--color-primary);
    color: #ffffff;
    transform: translateY(-50%) scale(1.08);
}

.hero-slider-arrow.prev { left: clamp(8px, 2vw, 40px); }
.hero-slider-arrow.next { right: clamp(8px, 2vw, 40px); }

/* 轮播指示小条（红白相间长条指示器，流体平滑缩放） */
.hero-slider-dots {
    position: absolute;
    bottom: clamp(10px, 2vw, 32px);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: clamp(5px, 0.6vw, 8px);
    z-index: 10;
}

.slider-dot {
    width: clamp(14px, 1.8vw, 24px);
    height: clamp(3px, 0.35vw, 4px);
    border-radius: 2px;
    background: rgba(0, 0, 0, 0.25);
    cursor: pointer;
    transition: all var(--transition-fast, 0.2s ease);
}

.slider-dot.active {
    background: var(--color-primary);
    width: clamp(20px, 2.6vw, 34px);
}

/* 2. 企业介绍板块（About Us）与数据统计 */
.home-about-section {
    padding-top: 80px;
    padding-bottom: 60px;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 60px;
}

.about-tagline {
    font-size: 0.9375rem;
    font-weight: 700;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 12px;
}

.about-main-title {
    font-size: 2.25rem;
    font-weight: 800;
    margin-bottom: 12px;
    color: var(--color-text-heading);
}

.about-subtitle {
    font-size: 1.0625rem;
    font-weight: 700;
    color: var(--color-text-heading);
    margin-bottom: 20px;
}

.about-body-text {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    line-height: 1.7;
    margin-bottom: 28px;
}

.about-video-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    aspect-ratio: 16 / 10;
    background-color: #0f172a;
}

.about-video-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
}

.about-video-card img,
.about-video-card video,
.about-video-card iframe,
.about-video-player {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border: none;
    border-radius: inherit;
    background: #000000;
}

.about-video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 2;
    transition: opacity 0.35s ease, visibility 0.35s ease;
}

.about-video-wrapper.is-playing .about-video-overlay {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.about-video-play-btn {
    width: 68px;
    height: 68px;
    border-radius: 50%;
    background-color: var(--color-primary);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 0 10px rgba(0, 196, 180, 0.25);
    transition: all var(--transition-base, 0.25s ease);
    border: none;
    pointer-events: none;
}

.about-video-overlay:hover .about-video-play-btn {
    transform: scale(1.1);
    box-shadow: 0 0 0 16px rgba(0, 196, 180, 0.35);
}

.about-video-play-btn svg {
    width: 24px;
    height: 24px;
    fill: currentColor;
    margin-left: 3px;
}

/* 数据统计与关于我们按钮水平同行条（Stats & About Button Strip） */
.stats-counter-strip {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 40px;
    border-top: 1px solid var(--color-border-light);
    gap: 20px;
}

.stat-btn-wrap {
    flex-shrink: 0;
}

.stat-btn-wrap .btn-about-us {
    padding: 12px 28px;
    font-size: 0.9375rem;
}

.stat-item {
    padding: 0 10px;
    text-align: center;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-text-heading);
    line-height: 1.1;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    font-weight: 500;
    line-height: 1.3;
}

/* 3. 客户定制成功案例（Client Cases） */
.client-cases-section {
    padding: 60px 0;
    background-color: #f8fafc;
}

.section-header-title {
    font-size: 1.625rem;
    font-weight: 800;
    color: var(--color-text-heading);
    letter-spacing: 0.02em;
    margin-bottom: 36px;
    text-align: left;
}

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

.case-card {
    background: #ffffff;
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all var(--transition-fast);
}

.case-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.case-card-thumb {
    width: 100%;
    aspect-ratio: 4 / 3;
    padding: 10px 10px 0;
    overflow: hidden;
    background-color: #fff;
}

.case-card-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-base);
}

.case-card:hover .case-card-thumb img {
    transform: scale(1.05);
}

.case-card-body {
    padding: 18px 20px;
}

.case-card-brand {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-text-heading);
    margin-bottom: 8px;
}

.case-card-desc {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    line-height: 1.5;
    margin-bottom: 0;
}

/* 4. 国际权威认证荣誉条（Certifications Bar - 单张大图展示） */
.certifications-section {
    padding: clamp(36px, 4vw, 56px) 0;
    background-color: #ffffff;
}

.cert-single-banner {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    margin-top: 8px;
}

.cert-single-banner img {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: var(--radius-md, 8px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
    transition: transform var(--transition-base, 0.3s ease), box-shadow var(--transition-base, 0.3s ease);
}

.cert-single-banner img:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 26px rgba(0, 0, 0, 0.08);
}

/* 5. 6大定制项目管理全流程（How We Manage Your Project） */
/* 5. 6大定制项目管理全流程（How We Manage Your Project） */
.project-steps-section {
    padding: 70px 0;
    background-color: #ffffff;
}

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

.step-card {
    border: none;
    border-radius: 12px;
    padding: 38px 28px;
    text-align: center;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.step-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.07);
}

.step-icon-wrap {
    width: 80px;
    height: 80px;
    margin: 0 auto 18px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.step-icon-wrap img {
    width: 80px;
    height: 80px;
    object-fit: contain;
    display: block;
}

/* 6 大步骤卡片背景颜色、数字颜色（图标自身已自带设计稿同款圆底与配色，卡片保持对应浅底色） */
/* 01 Consultation: 浅蓝 */
.step-card.step-1 { background-color: #f0f7ff; }
.step-card.step-1 .step-title span { color: #1890ff; }

/* 02 Design: 浅橙 */
.step-card.step-2 { background-color: #fff7ed; }
.step-card.step-2 .step-title span { color: #f97316; }

/* 03 3D Prototyping: 浅暖黄 */
.step-card.step-3 { background-color: #fefce8; }
.step-card.step-3 .step-title span { color: #eab308; }

/* 04 Mold Manufacturing: 浅薄荷绿 */
.step-card.step-4 {background-color: #f0fdf480;}
.step-card.step-4 .step-title span { color: #16a34a; }

/* 05 Mass Production: 浅紫 */
.step-card.step-5 {background-color: #faf5ffbf;}
.step-card.step-5 .step-title span { color: #9333ea; }

/* 06 Global Export: 浅青绿 */
.step-card.step-6 {background-color: #f0fdfa;}
.step-card.step-6 .step-title span { color: #0d9488; }

.step-title {
    font-size: 1.0625rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--color-text-heading);
}

.step-title span {
    font-weight: 800;
    margin-right: 6px;
}

.step-desc {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    margin-bottom: 0;
    line-height: 1.5;
}

/* 6. 严苛品控检测体系（How We Control Quality） */
.quality-control-section {
    padding: 70px 0;
    background-color: #f8fafc; /* 浅灰色背景，契合设计稿 */
}

.quality-grid-title {
    margin-top: 20px;
    margin-bottom: 24px;
}

.quality-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 30px;
}

.quality-card {
    background: transparent;
    border: none;
    border-radius: 0;
    overflow: visible;
    box-shadow: none;
}

.quality-card-thumb {
    width: 100%;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.06);
}

.quality-card-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 8px;
    transition: transform var(--transition-base, 0.3s ease);
}

.quality-card:hover .quality-card-thumb img {
    transform: scale(1.04);
}

.quality-card-title {
    margin-top: 14px;
    padding: 12px 10px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text-heading);
    background-color: var(--color-bg-body);
    text-align: center;
    border-radius: 8px;
    margin-bottom: 0;
    line-height: 1.4;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

/* 7. 制造车间展示选项卡（Workshop Showcase Tabs） */
.workshop-showcase-section {
    padding: 70px 0;
    background-color: #f8fafc; /* 背景色与品控板块保持完全一致 */
}

.workshop-tab-nav {
    display: flex;
    gap: 16px;
    margin-bottom: 30px;
}

.workshop-nav-btn {
    padding: 14px 24px;
    border-radius: var(--radius-pill);
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 600;
    background: #f1f5f9;
    color: var(--color-text-main);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.workshop-nav-btn.active {
    background: var(--color-primary);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(0, 196, 180, 0.3);
}

.workshop-grid {
    display: grid;
    gap: 24px;
}

/* 喷涂车间（2 张图）：双列宽屏展示，视野舒展通透 */
.workshop-grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.workshop-grid-2 .workshop-card {
    aspect-ratio: 16 / 10;
}

/* 丝网印刷车间（3 张图）：经典三列标准网格 */
.workshop-grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.workshop-grid-3 .workshop-card {
    aspect-ratio: 4 / 3;
}

/* 精密注塑车间（4 张图）：四列精炼排列，展示多工序细节 */
.workshop-grid-4 {
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.workshop-grid-4 .workshop-card {
    aspect-ratio: 4 / 3;
}

.workshop-card {
    border-radius: var(--radius-md, 8px);
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
    background: #ffffff;
    transition: transform var(--transition-base, 0.3s ease), box-shadow var(--transition-base, 0.3s ease);
}

.workshop-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.1);
}

.workshop-card img {
    width: 100%;
    /*height: 100%;*/
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
}

.workshop-card:hover img {
    transform: scale(1.04);
}

/* 8. 推荐热门产品网格（Recommended Products Grid） */
.recommended-products-section {
    padding: 70px 0;
    background-color: #ffffff;
}

.products-grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 40px;
}

.product-grid-card {
    background: #ffffff;
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    padding: 24px 20px 20px;
    display: flex;
    flex-direction: column;
    position: relative;
    transition: all var(--transition-fast);
}

.product-grid-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-hover);
    transform: translateY(-3px);
}

.product-card-thumb-wrap {
    width: 100%;
    aspect-ratio: 1 / 1;
    margin-bottom: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.product-card-thumb-wrap img {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    transition: transform var(--transition-base);
}

.product-grid-card:hover .product-card-thumb-wrap img {
    transform: scale(1.05);
}

.product-card-title {
    font-size: 0.9375rem;
    font-weight: 700;
    color: var(--color-text-heading);
    margin-bottom: 8px;
    line-height: 1.4;
}

.product-card-desc {
    font-size: 0.8125rem;
    color: var(--color-text-light);
    line-height: 1.5;
    margin-bottom: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    word-break: break-word;
    height: 2.5rem; /* 严格固定两行高度，确保整行卡片对齐 */
    flex: 1;
}

.product-card-action {
    margin-top: auto;
}

.product-card-action .btn-view-detail {
    display: flex;
    width: 100%;
    padding: 10px;
    font-size: 0.875rem;
    font-weight: 700;
    background: var(--color-primary);
    color: #ffffff;
    border-radius: var(--radius-pill);
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(6px);
    transition: all var(--transition-fast);
}

.product-grid-card:hover .product-card-action .btn-view-detail {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* 9. 核心价值保障柱选项卡与制造品质横幅联动板块（左右分栏结构，横幅宽度固定 720px 防失真） */
.quality-pillars-section {
    padding-top: 70px;
    padding-bottom: 70px;
    margin-bottom: 0;
    background-color: #f8fafc;
}

.quality-pillars-layout {
    display: grid;
    grid-template-columns: 1fr 720px;
    gap: 40px;
    align-items: center;
    margin-top: 28px;
}

/* 左侧支柱选项卡列表 */
.value-pillars-tabs {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 0;
    width: 100%;
}

/* 每个支柱独立卡片：白底、独立圆角 border */
.pillar-tab-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 24px;
    background: #ffffff;
    border: 1px solid var(--color-border);
    border-radius: 50px;
    cursor: pointer;
    transition: all var(--transition-fast);
    user-select: none;
}

/* 未选中样式：左边 40x40 灰色图标，右边深色文字 */
.pillar-tab-item .pillar-icon {
    width: 40px;
    height: 40px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    background: transparent;
    border-radius: 50%;
}

.pillar-tab-item .pillar-icon img {
    width: 40px;
    height: 40px;
    object-fit: contain;
    display: block;
}

.pillar-tab-item .pillar-icon .icon-default {
    display: block;
}

.pillar-tab-item .pillar-icon .icon-active {
    display: none;
}

.pillar-tab-item .pillar-title {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-text-heading);
    margin-bottom: 0;
    line-height: 1.35;
    transition: color var(--transition-fast);
}

.pillar-tab-item:hover:not(.active) {
    border-color: var(--color-primary);
    transform: translateX(4px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

/* 选中样式：主题色底、主题色边框、显示 active 图标、白色文案字体 */
.pillar-tab-item.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    box-shadow: 0 6px 18px rgba(0, 196, 180, 0.35);
    transform: translateX(4px);
}

.pillar-tab-item.active .pillar-icon {
    background: transparent;
}

.pillar-tab-item.active .pillar-icon .icon-default {
    display: none;
}

.pillar-tab-item.active .pillar-icon .icon-active {
    display: block;
}

.pillar-tab-item.active .pillar-title {
    color: #ffffff;
    font-weight: 700;
}

/* 10. 右侧大图横幅（宽度 720px，比例契合 748x450，全终端平滑自适应防失真） */
.quality-showcase-panes {
    position: relative;
    width: 720px;
    max-width: 100%;
    margin: 0;
}

.quality-banner-pane {
    position: relative;
    width: 720px;
    max-width: 100%;
    aspect-ratio: 748 / 450;
    height: auto;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    border-radius: var(--radius-lg, 12px);
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
}

/* 11. 品牌红色行动号召条幅（CTA Red Banner - 紧贴上方大图横幅无缝靠在一起） */
.cta-red-banner {
    background-color: var(--color-primary);
    color: #ffffff;
    padding: 36px 0;
    border-radius: 0;
    margin-top: 0;
}

.cta-banner-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.cta-banner-heading {
    font-size: 1.625rem;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 0;
}

.btn-cta-white {
    background-color: #ffffff;
    color: var(--color-primary);
    font-weight: 700;
    padding: 12px 30px;
    border-radius: var(--radius-pill);
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
    white-space: nowrap;
}

.btn-cta-white:hover {
    background-color: #f8fafc;
    transform: translateY(-2px);
    color: var(--color-primary-dark);
}

/* 首页移动端与多终端响应式适配 */
@media (max-width: 1024px) {
    .cases-grid,
    .products-grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
    .steps-grid,
    .quality-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .quality-pillars-layout {
        grid-template-columns: 1fr;
        gap: 28px;
    }
    .value-pillars-tabs {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    .quality-showcase-panes,
    .quality-banner-pane {
        width: 100%;
        max-width: 720px;
        margin: 0 auto;
        height: auto;
    }
    .workshop-grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .stats-counter-strip {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 24px;
        text-align: center;
    }
    .stats-counter-strip .stat-item {
        text-align: center;
    }
    .cases-grid,
    .steps-grid,
    .quality-grid,
    .workshop-grid,
    .workshop-grid-2,
    .workshop-grid-3,
    .workshop-grid-4 {
        grid-template-columns: 1fr;
    }
    .cases-grid {
        gap: 20px;
    }
    .value-pillars-tabs {
        display: flex;
        flex-direction: column;
    }
    .quality-banner-pane {
        height: auto;
        min-height: auto;
        max-height: none;
    }
    .cta-banner-inner {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }
    .hero-slider-arrow {
        width: 28px;
        height: 28px;
    }
    .hero-slider-arrow svg {
        width: 14px;
        height: 14px;
    }
    .hero-slider-arrow.prev { left: 8px; }
    .hero-slider-arrow.next { right: 8px; }
    .hero-slider-dots {
        bottom: 8px;
        gap: 4px;
    }
    .slider-dot {
        width: 14px;
        height: 3px;
    }
    .slider-dot.active {
        width: 20px;
    }
}

@media (max-width: 480px) {
    .hero-slider-arrow {
        width: 24px;
        height: 24px;
        opacity: 0.8;
    }
    .hero-slider-arrow svg {
        width: 12px;
        height: 12px;
    }
    .hero-slider-arrow.prev { left: 4px; }
    .hero-slider-arrow.next { right: 4px; }
    .hero-slider-dots {
        bottom: 5px;
        gap: 3px;
    }
    .slider-dot {
        width: 12px;
        height: 2.5px;
    }
    .slider-dot.active {
        width: 16px;
    }
}