/* ============================================
   AOSHOW翱烁 - 项目详情页样式
   前缀：pde-
   主题色：#cc4e15 (橙) / #0866b2 (蓝)
   ============================================ */

/* ===== 重置与基础 ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
    color: #333;
    background: #f7f8fa;
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

/* ===== 主题色变量 ===== */
:root {
    --pde-orange: #cc4e15;
    --pde-blue: #0866b2;
    --pde-dark: #222;
    --pde-gray: #666;
    --pde-light-gray: #f5f5f5;
    --pde-border: #e5e5e5;
}

/* ============================================
   主体内容区（1320px居中）
   ============================================ */
.pde-main {
    padding: 40px 0 80px;
    min-height: 100vh;
}

.pde-container {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ============================================
   通用 Section 标题
   ============================================ */
.pde-section-header {
    text-align: center;
    margin-bottom: 45px;
}

.pde-section-title {
    font-size: 30px;
    font-weight: 800;
    color: var(--pde-dark);
    margin-bottom: 15px;
    letter-spacing: 2px;
}

.pde-section-line {
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--pde-orange), var(--pde-blue));
    margin: 0 auto;
    border-radius: 2px;
    box-shadow: 0 2px 8px rgba(204, 78, 21, 0.3);
}

/* ============================================
   模块1：左右图文结构
   ============================================ */
.pde-hero {
    display: flex;
    gap: 50px;
    align-items: center;
    background: #fff;
    border-radius: 20px;
    padding: 50px;
    margin-bottom: 70px;
    box-shadow:
        0 10px 40px rgba(0, 0, 0, 0.06),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(0, 0, 0, 0.03);
}

/* 左侧图片：与右侧强制等宽（各占一半） */
.pde-hero-left {
    flex: 1 1 0;
    width: 50%;
    min-width: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.pde-hero-img {
    width: 100%;
    padding-top: 80%;
    position: relative;
    /* cover：图片充满整个大图区域，比例不符时居中裁切，不留空白 */
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    /* 按 EXIF 信息正向显示，避免手机/相机大图被旋转 */
    image-orientation: from-image;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    box-shadow:
        0 15px 45px rgba(8, 102, 178, 0.25),
        inset 0 2px 10px rgba(255, 255, 255, 0.15);
}

.pde-hero-img i {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 100px;
    color: rgba(255, 255, 255, 0.9);
    text-shadow: 0 6px 25px rgba(0, 0, 0, 0.3);
    z-index: 2;
    transition: all 0.4s ease;
}

/* 左侧大图片悬停遮罩 - 显示产品名称 */
.pde-hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.55);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: 10;
    pointer-events: none;
}
.pde-hero-overlay span {
    color: #fff;
    font-size: 26px;
    font-weight: 700;
    letter-spacing: 2px;
    transform: translateY(15px);
    transition: transform 0.4s ease;
    padding: 0 40px;
    text-align: center;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}
.pde-hero-img:hover .pde-hero-overlay {
    opacity: 1;
}
.pde-hero-img:hover .pde-hero-overlay span {
    transform: translateY(0);
}

/* 产品图片背景已通过内联 style 设置 */

/* 图片切换淡入动画 */
@keyframes pde-img-fade {
    0% { opacity: 0.3; transform: scale(0.98); }
    100% { opacity: 1; transform: scale(1); }
}

.pde-hero-img-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    animation: pde-glow 3s ease-in-out infinite alternate;
    z-index: 1;
}

@keyframes pde-glow {
    0% { transform: translate(-50%, -50%) scale(1); opacity: 0.6; }
    100% { transform: translate(-50%, -50%) scale(1.3); opacity: 1; }
}

/* 缩略图 */
.pde-hero-thumbnails {
    display: flex;
    gap: 12px;
}

.pde-thumb {
    width: 60px;
    height: 60px;
    flex-shrink: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    image-orientation: from-image;
    border-radius: 10px;
    border: 2px solid transparent;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s;
    border: 2px solid transparent;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
}

.pde-thumb i {
    display: none;
}

.pde-thumb:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.12);
}

.pde-thumb-active {
    border-color: var(--pde-orange);
    box-shadow: 0 4px 15px rgba(204, 78, 21, 0.3);
}

.pde-thumb-active i {
    color: var(--pde-orange);
}

/* 缩略图导航：始终只显示5张，其余通过左右箭头切换 */
.pde-thumbs-nav {
    position: relative;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.pde-thumbs-nav .pde-hero-thumbnails {
    width: 348px; /* 固定可视宽度 = 5个缩略图：5*60 + 4*12 = 348 */
    flex-shrink: 0;
    overflow-x: auto;
    overflow-y: hidden;
    scroll-behavior: smooth;
    scrollbar-width: none;
    -ms-overflow-style: none;
    justify-content: flex-start;
}

.pde-thumbs-nav .pde-hero-thumbnails::-webkit-scrollbar {
    display: none;
}

.pde-thumbs-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: none;
    background: #ffffff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.18);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--pde-blue);
    font-size: 11px;
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s ease;
    z-index: 6;
}

/* 箭头改为跟随缩略图两侧排列，不再浮在容器两端 */
.pde-thumbs-nav .pde-thumbs-arrow {
    position: static;
    transform: none;
    flex-shrink: 0;
}

/* 5张及以内不显示箭头 */
.pde-thumbs-nav:not(.pde-thumbs-has-more) .pde-thumbs-arrow {
    display: none;
}

/* 5张及以内：缩略图按实际数量居中排列 */
.pde-thumbs-nav.pde-thumbs-few .pde-hero-thumbnails {
    width: auto;
    max-width: 348px;
}

.pde-thumbs-nav.pde-thumbs-has-more .pde-thumbs-arrow {
    opacity: 1;
    pointer-events: auto;
}

.pde-thumbs-arrow:hover {
    background: var(--pde-blue);
    color: #fff;
}

.pde-thumbs-arrow.pde-thumbs-disabled {
    opacity: 0.35;
    pointer-events: none;
}

/* 右侧文字：与左侧强制等宽（各占一半） */
.pde-hero-right {
    flex: 1 1 0;
    width: 50%;
    min-width: 0;
}

.pde-hero-tag {
    display: inline-block;
    padding: 5px 16px;
    background: linear-gradient(135deg, var(--pde-orange), #e06a2e);
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 15px;
    box-shadow: 0 3px 10px rgba(204, 78, 21, 0.3);
}

.pde-hero-title {
    font-size: 30px;
    font-weight: 900;
    color: var(--pde-dark);
    margin-bottom: 8px;
    line-height: 1.3;
}

.pde-hero-subtitle {
    font-size: 16px;
    color: var(--pde-blue);
    font-weight: 500;
    margin-bottom: 18px;
    letter-spacing: 1px;
}

.pde-hero-divider {
    width: 50px;
    height: 3px;
    background: linear-gradient(90deg, var(--pde-orange), var(--pde-blue));
    border-radius: 2px;
    margin-bottom: 20px;
}

.pde-hero-desc {
    font-size: 15px;
    color: #555;
    line-height: 1.9;
    margin-bottom: 25px;
    text-align: justify;
}

.pde-hero-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 30px;
}

.pde-feature {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: #444;
}

.pde-feature i {
    color: var(--pde-orange);
    font-size: 15px;
}

/* 联系我们按钮 */
.pde-hero-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 40px;
    background: linear-gradient(135deg, var(--pde-orange), #e06a2e);
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    border-radius: 50px;
    box-shadow: 0 8px 25px rgba(204, 78, 21, 0.35);
    transition: all 0.35s ease;
    letter-spacing: 1px;
}

.pde-hero-btn:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 35px rgba(204, 78, 21, 0.5);
}

.pde-hero-btn i {
    font-size: 16px;
}

/* 按钮组：联系我们 + 资料下载 */
.pde-hero-btns {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

/* 资料下载按钮（描边样式，与联系我们按钮并列） */
.pde-hero-download {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 13px 34px;
    background: transparent;
    color: var(--pde-orange);
    font-size: 16px;
    font-weight: 600;
    border: 2px solid var(--pde-orange);
    border-radius: 50px;
    letter-spacing: 1px;
    transition: all 0.35s ease;
}

.pde-hero-download:hover {
    background: var(--pde-orange);
    color: #fff;
    transform: translateY(-4px);
    box-shadow: 0 12px 35px rgba(204, 78, 21, 0.5);
}

.pde-hero-download i {
    font-size: 15px;
}

/* ============================================
   模块2：产品详情
   ============================================ */
.pde-detail-section {
    margin-bottom: 70px;
}

.pde-detail-content {
    margin-top: 10px;
}

.pde-detail-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.pde-detail-card {
    background: #fff;
    border-radius: 16px;
    padding: 35px 30px;
    box-shadow:
        0 6px 25px rgba(0, 0, 0, 0.06),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(0, 0, 0, 0.03);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.pde-detail-card:hover {
    transform: translateY(-10px);
    box-shadow:
        0 18px 45px rgba(8, 102, 178, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
    border-color: rgba(204, 78, 21, 0.2);
}

.pde-detail-icon {
    width: 60px;
    height: 60px;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--pde-blue), #0a82d9);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 20px rgba(8, 102, 178, 0.3);
    transition: all 0.4s;
}

.pde-detail-card:hover .pde-detail-icon {
    background: linear-gradient(135deg, var(--pde-orange), #e06a2e);
    box-shadow: 0 6px 20px rgba(204, 78, 21, 0.35);
    transform: rotateY(180deg);
}

.pde-detail-icon i {
    font-size: 26px;
    color: #fff;
}

.pde-detail-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--pde-dark);
    margin-bottom: 18px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--pde-light-gray);
}

.pde-detail-card ul li {
    padding: 8px 0;
    font-size: 14px;
    color: #555;
    position: relative;
    padding-left: 20px;
    border-bottom: 1px dashed #f0f0f0;
}

.pde-detail-card ul li:last-child {
    border-bottom: none;
}

.pde-detail-card ul li::before {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    left: 0;
    top: 10px;
    color: var(--pde-orange);
    font-size: 12px;
}

/* 参数表格 */
.pde-spec-table {
    width: 100%;
    border-collapse: collapse;
}

.pde-spec-table tr {
    border-bottom: 1px dashed #f0f0f0;
}

.pde-spec-table tr:last-child {
    border-bottom: none;
}

.pde-spec-table td {
    padding: 9px 0;
    font-size: 13px;
    color: #555;
}

.pde-spec-table td:first-child {
    color: #888;
    width: 40%;
}

.pde-spec-table td:last-child {
    color: #333;
    font-weight: 500;
    text-align: right;
}

/* 应用标签 */
.pde-app-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.pde-app-tags span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: linear-gradient(135deg, rgba(8, 102, 178, 0.06), rgba(8, 102, 178, 0.02));
    border: 1px solid rgba(8, 102, 178, 0.15);
    border-radius: 20px;
    font-size: 13px;
    color: var(--pde-blue);
    transition: all 0.3s;
    cursor: pointer;
}

.pde-app-tags span:hover {
    background: linear-gradient(135deg, var(--pde-blue), #0a82d9);
    color: #fff;
    border-color: var(--pde-blue);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(8, 102, 178, 0.3);
}

.pde-app-tags span i {
    font-size: 12px;
}

/* ============================================
   模块3：热门产品轮播
   ============================================ */
.pde-hot-section {
    margin-bottom: 30px;
}

.pde-carousel-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    gap: 15px;
}

.pde-carousel {
    flex: 1;
    overflow: hidden;
    border-radius: 16px;
}

.pde-carousel-track {
    display: flex;
    gap: 20px;
    transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.pde-carousel-card {
    flex-shrink: 0;
    width: calc((100% - 60px) / 4);
    background: #fff;
    border-radius: 14px;
    overflow: hidden;
    box-shadow:
        0 5px 20px rgba(0, 0, 0, 0.07),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(0, 0, 0, 0.03);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    cursor: pointer;
}

.pde-carousel-card:hover {
    transform: translateY(-8px);
    box-shadow:
        0 15px 40px rgba(204, 78, 21, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
    border-color: rgba(204, 78, 21, 0.2);
}

.pde-card-img {
    width: 100%;
    padding-top: 75%;
    position: relative;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.pde-card-img i {
    display: none;
}

/* 卡片图片悬停遮罩 - 显示产品名称 */
.pde-card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.55);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: 5;
    pointer-events: none;
}
.pde-card-overlay span {
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    letter-spacing: 1px;
    transform: translateY(10px);
    transition: transform 0.4s ease;
    padding: 0 15px;
    text-align: center;
}
.pde-carousel-card:hover .pde-card-overlay {
    opacity: 1;
}
.pde-carousel-card:hover .pde-card-overlay span {
    transform: translateY(0);
}

/* 卡片图片已通过内联 style 设置 */

.pde-carousel-card h4 {
    text-align: center;
    font-size: 15px;
    font-weight: 600;
    color: #444;
    padding: 18px 10px;
    transition: color 0.3s;
}

.pde-carousel-card:hover h4 {
    color: var(--pde-orange);
}

/* 轮播箭头按钮 */
.pde-carousel-btn {
    width: 48px;
    height: 48px;
    background: #fff;
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s;
    flex-shrink: 0;
    z-index: 2;
}

.pde-carousel-btn i {
    font-size: 16px;
    color: var(--pde-gray);
    transition: color 0.3s;
}

.pde-carousel-btn:hover {
    background: linear-gradient(135deg, var(--pde-orange), #e06a2e);
    box-shadow: 0 6px 20px rgba(204, 78, 21, 0.35);
    transform: scale(1.1);
}

.pde-carousel-btn:hover i {
    color: #fff;
}

/* 轮播指示器 */
.pde-carousel-dots {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 30px;
}

.pde-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #ddd;
    cursor: pointer;
    transition: all 0.3s;
}

.pde-dot:hover {
    background: var(--pde-blue);
}

.pde-dot-active {
    width: 30px;
    border-radius: 5px;
    background: linear-gradient(90deg, var(--pde-orange), var(--pde-blue));
}

/* ============================================
   产品详情纯文本内容
   ============================================ */
.pde-text-content {
    max-width: 100%;
    margin: 0 auto;
}

.pde-text-heading {
    font-size: 22px;
    font-weight: 700;
    color: var(--pde-dark);
    margin: 35px 0 18px;
    padding-left: 15px;
    position: relative;
    line-height: 1.5;
}

.pde-text-heading::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 5px;
    height: 24px;
    background: linear-gradient(180deg, var(--pde-orange), var(--pde-blue));
    border-radius: 3px;
    box-shadow: 0 2px 8px rgba(204, 78, 21, 0.3);
}

.pde-text-paragraph {
    font-size: 15px;
    color: #444;
    line-height: 2;
    margin-bottom: 18px;
    text-align: justify;
    text-indent: 2em;
}

/* 富文本内容中的表格样式 */
.pde-text-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    font-size: 14px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    border-radius: 8px;
    overflow: hidden;
}

.pde-text-content table th {
    background: linear-gradient(135deg, #0866b2, #0a5a99);
    color: #fff;
    font-weight: 600;
    padding: 12px 15px;
    text-align: left;
    font-size: 14px;
}

.pde-text-content table td {
    padding: 11px 15px;
    border-bottom: 1px solid #eee;
    color: #444;
    line-height: 1.7;
}

.pde-text-content table tr:nth-child(even) {
    background: #f8fafc;
}

.pde-text-content table tr:hover {
    background: #fff5f0;
}

.pde-text-content table tr:last-child td {
    border-bottom: none;
}

.pde-text-content img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 15px auto;
    display: block;
}

.pde-text-list {
    margin: 15px 0 20px;
    padding-left: 10px;
}

.pde-text-list li {
    position: relative;
    padding: 9px 0 9px 28px;
    font-size: 15px;
    color: #444;
    line-height: 1.9;
    text-align: justify;
}

.pde-text-list li::before {
    content: "\f058";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    position: absolute;
    left: 0;
    top: 12px;
    color: var(--pde-orange);
    font-size: 15px;
}

.pde-text-list li strong {
    color: var(--pde-dark);
}
/* ============================================
   面包屑导航
   ============================================ */
.pde-breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    font-size: 13px;
    color: #888;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 1px solid #e5e5e5;
}

.pde-breadcrumb-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    color: var(--pde-orange);
    margin-right: 6px;
    transition: all 0.3s;
}

.pde-breadcrumb-icon:hover {
    color: var(--pde-blue);
    transform: scale(1.15);
}

.pde-breadcrumb-text { margin-right: 2px; }

.pde-breadcrumb-link {
    color: #888;
    transition: color 0.3s;
}

.pde-breadcrumb-link:hover { color: var(--pde-orange); }

.pde-breadcrumb-sep {
    margin: 0 8px;
    color: #ccc;
}

.pde-breadcrumb-current {
    color: #333;
    font-weight: 500;
}

/* ============================================
   页面左右布局
   ============================================ */
.pde-page-wrapper {
    display: flex;
    gap: 30px;
    align-items: flex-start;
}

.pde-content-right {
    flex: 1;
    min-width: 0;
}

/* ============================================
   左侧边栏
   ============================================ */
.pde-sidebar {
    width: 280px;
    flex-shrink: 0;
}

.pde-sidebar-box {
    margin-bottom: 25px;
    border: 1px solid #e5e5e5;
    box-shadow: 0 3px 12px rgba(0, 0, 0, 0.04);
}

.pde-sidebar-title {
    background: linear-gradient(135deg, var(--pde-orange), #d95e22);
    padding: 14px 20px;
    display: flex;
    align-items: baseline;
    gap: 8px;
    box-shadow: 0 2px 8px rgba(204, 78, 21, 0.25);
}

.pde-sidebar-title-cn {
    font-size: 18px;
    font-weight: 700;
    color: #fff;
}

.pde-sidebar-title-en {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.75);
    letter-spacing: 1px;
}

/* 侧边栏菜单 */
.pde-sidebar-menu li {
    border-bottom: 1px solid #e5e5e5;
}

.pde-sidebar-menu li:last-child { border-bottom: none; }

.pde-sidebar-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 20px;
    font-size: 14px;
    color: #444;
    transition: all 0.3s;
    position: relative;
}

.pde-sidebar-link i {
    font-size: 11px;
    color: #bbb;
    transition: all 0.3s;
}

.pde-sidebar-link:hover,
.pde-sidebar-link.pde-active {
    background: rgba(204, 78, 21, 0.05);
    color: var(--pde-orange);
    padding-left: 25px;
}

.pde-sidebar-link:hover i,
.pde-sidebar-link.pde-active i {
    color: var(--pde-orange);
}

.pde-sidebar-link.pde-active::before {
    content: ';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--pde-orange);
}

/* 侧边栏联系信息 */
.pde-sidebar-contact li {
    padding: 11px 20px;
    font-size: 13px;
    color: #555;
    border-bottom: 1px solid #e5e5e5;
    line-height: 1.7;
}

.pde-sidebar-contact li:last-child { border-bottom: none; }

.pde-sidebar-contact li strong {
    color: #222;
    font-size: 14px;
}

.pde-sidebar-contact li span { color: #888; }

/* 在线留言按钮 */
.pde-sidebar-message { margin-top: 25px; }

.pde-sidebar-message a {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    height: 75px;
    background: linear-gradient(135deg, #3a3a3a, #2b2b2b);
    color: #fff;
    font-size: 17px;
    font-weight: 600;
    letter-spacing: 2px;
    border-radius: 4px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.pde-sidebar-message a::before {
    content: ';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    transition: left 0.5s;
}

.pde-sidebar-message a:hover::before { left: 100%; }

.pde-sidebar-message a:hover {
    background: linear-gradient(135deg, var(--pde-orange), #d95e22);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(204, 78, 21, 0.35);
}

.pde-sidebar-message i { font-size: 20px; }

/* ============================================
   响应式适配
   ============================================ */
@media (max-width: 1024px) {
    .pde-hero {
        flex-direction: column;
        padding: 35px;
    }
    .pde-hero-left,
    .pde-hero-right {
        flex: 0 0 auto;
        width: 100%;
    }
    .pde-detail-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .pde-carousel-card {
        width: calc((100% - 20px) / 2);
    }
    .pde-page-wrapper {
        flex-direction: column;
    }
    .pde-sidebar {
        width: 100%;
    }
}

@media (max-width: 768px) {
    .pde-main {
        padding: 25px 0 50px;
    }
    .pde-hero {
        padding: 25px;
        gap: 30px;
    }
    .pde-hero-title {
        font-size: 28px;
    }
    .pde-hero-features {
        grid-template-columns: 1fr;
    }
    .pde-detail-grid {
        grid-template-columns: 1fr;
    }
    .pde-section-title {
        font-size: 24px;
    }
    .pde-carousel-card {
        width: 100%;
    }
    .pde-carousel-btn {
        width: 40px;
        height: 40px;
    }
    /* 手机端同样只显示5张（屏幕过窄时按实际宽度显示），保留左右箭头切换 */
    .pde-thumbs-nav .pde-hero-thumbnails {
        width: min(348px, calc(100vw - 140px));
        max-width: 348px;
    }
    .pde-thumbs-nav {
        gap: 6px;
    }
    .pde-thumbs-arrow {
        width: 24px;
        height: 24px;
        font-size: 10px;
    }
}