:root {
  --color-primary: #2d5016;
  --color-accent: #c9a961;
  --color-bg: #faf7f2;
  --color-bg-green: #e8f0e0;
  --color-text: #333;
  --color-text-light: #666;
  --color-text-lighter: #999;
  --radius-card: 16px;
  --radius-small: 12px;
  --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.08);
  --shadow-card-hover: 0 8px 24px rgba(0, 0, 0, 0.15);
}

/* ==========================================
   全局样式
   ========================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'PingFang SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.7;
    color: #333;
    background: linear-gradient(to bottom, #faf7f2 0%, #e8f0e0 100%);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 600;
    text-align: center;
    color: #2d5016;
    margin-bottom: 48px;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: #c9a961;
    margin: 16px auto 0;
    border-radius: 2px;
}

/* ==========================================
   导航栏
   ========================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: #2d5016;
    letter-spacing: 1px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-link {
    text-decoration: none;
    color: #333;
    font-size: 1rem;
    font-weight: 500;
    position: relative;
    transition: color 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: #2d5016;
    transition: width 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    color: #2d5016;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

/* 汉堡菜单 */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 4px;
    background: none;
    border: none;
    z-index: 1001;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-primary);
    transition: all 0.3s ease;
    border-radius: 2px;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.nav-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.98);
    z-index: 999;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 24px;
}

.nav-overlay.active {
    display: flex;
}

.nav-overlay a {
    font-size: 1.2rem;
    color: var(--color-text);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-overlay a:hover,
.nav-overlay a.active {
    color: var(--color-primary);
}

/* ==========================================
   首屏 Banner
   ========================================== */
.hero {
    height: 80vh;
    min-height: 600px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 72px;
    overflow: hidden;
}

.hero-slider {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
}

.hero-slide.active {
    opacity: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: #fff;
    padding: 0 24px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 16px;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.3);
    letter-spacing: 2px;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 400;
    margin-bottom: 48px;
    opacity: 0.95;
    letter-spacing: 1px;
}

.scroll-indicator {
    font-size: 2rem;
    animation: bounce 2s infinite;
    cursor: pointer;
}

.hero-dots {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 10;
}

.hero-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.hero-dot.active {
    background: #fff;
    width: 32px;
    border-radius: 6px;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

/* ==========================================
   品种特点区域
   ========================================== */
.features {
    padding: 96px 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.feature-card {
    background: #fff;
    padding: 40px 24px;
    border-radius: 16px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    font-size: 3rem;
    color: #2d5016;
    margin-bottom: 24px;
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #2d5016;
    margin-bottom: 16px;
}

.feature-description {
    font-size: 1rem;
    color: #666;
    line-height: 1.8;
}

/* ==========================================
   高清图集区域（轮播图）
   ========================================== */
.gallery {
    padding: 96px 0;
    background: rgba(255, 255, 255, 0.5);
}

.carousel {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
}

.carousel-container {
    position: relative;
    width: 100%;
    aspect-ratio: 4 / 3;
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.6s ease;
}

.carousel-slide.active {
    opacity: 1;
}

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

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.9);
    border: none;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    font-size: 1.2rem;
    color: #2d5016;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.carousel-btn:hover {
    background: #fff;
    transform: translateY(-50%) scale(1.1);
}

.carousel-btn.prev {
    left: 16px;
}

.carousel-btn.next {
    right: 16px;
}

.carousel-dots {
    position: absolute;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 10;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot.active {
    background: #fff;
    width: 32px;
    border-radius: 6px;
}

/* ==========================================
   盆景展示区域
   ========================================== */
.showcase {
    padding: 96px 0;
}

.showcase-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: #666;
    margin-top: -32px;
    margin-bottom: 48px;
    font-style: italic;
}

.showcase-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.showcase-item {
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.showcase-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.showcase-image {
    position: relative;
    width: 100%;
    aspect-ratio: 4 / 3;
    overflow: hidden;
}

.showcase-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.showcase-item:hover .showcase-image img {
    transform: scale(1.05);
}

.showcase-overlay {
    position: absolute;
    top: 16px;
    right: 16px;
    z-index: 1;
}

.showcase-tag {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(45, 80, 22, 0.9);
    color: #fff;
    font-size: 0.85rem;
    border-radius: 20px;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.showcase-info {
    padding: 24px;
}

.showcase-name {
    font-size: 1.3rem;
    font-weight: 600;
    color: #2d5016;
    margin-bottom: 12px;
}

.showcase-desc {
    font-size: 0.95rem;
    color: #666;
    line-height: 1.7;
}

/* ==========================================
   养护知识区域
   ========================================== */
.care {
    padding: 96px 0;
}

.care-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.care-item {
    background: #fff;
    padding: 32px;
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    display: flex;
    gap: 24px;
    transition: all 0.3s ease;
}

.care-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
}

.care-icon {
    font-size: 2.5rem;
    color: #2d5016;
    flex-shrink: 0;
}

.care-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: #2d5016;
    margin-bottom: 12px;
}

.care-description {
    font-size: 1rem;
    color: #666;
    line-height: 1.8;
}

/* ==========================================
   关于我们区域
   ========================================== */
.about {
    padding: 96px 0;
    background: rgba(255, 255, 255, 0.5);
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-text {
    font-size: 1.1rem;
    color: #555;
    line-height: 2;
    margin-bottom: 48px;
    text-align: justify;
}

.contact-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}

.contact-email {
    font-size: 1.2rem;
    color: #2d5016;
    display: flex;
    align-items: center;
    gap: 12px;
}

.contact-email a {
    color: #2d5016;
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-email a:hover {
    color: #c9a961;
}

.social-links {
    display: flex;
    gap: 24px;
}

.social-link {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: #2d5016;
    text-decoration: none;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.social-link:hover {
    background: #2d5016;
    color: #fff;
    transform: translateY(-4px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* ==========================================
   页脚
   ========================================== */
.footer {
    background: rgba(45, 80, 22, 0.05);
    padding: 32px 0;
    text-align: center;
}

.footer-text {
    font-size: 0.95rem;
    color: #666;
    margin-bottom: 8px;
}

.footer-tagline {
    font-size: 0.9rem;
    color: #999;
    font-style: italic;
}

/* ==========================================
   微信二维码弹窗
   ========================================== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: #fff;
    border-radius: 20px;
    padding: 48px 40px;
    max-width: 420px;
    width: 90%;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: modalSlideIn 0.3s ease;
    z-index: 1;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-30px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 40px;
    height: 40px;
    border: none;
    background: rgba(45, 80, 22, 0.1);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    color: #2d5016;
}

.modal-close:hover {
    background: rgba(45, 80, 22, 0.2);
    transform: rotate(90deg);
}

.modal-body {
    text-align: center;
}

.modal-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #2d5016;
    margin-bottom: 24px;
}

.qrcode-container {
    width: 240px;
    height: 240px;
    margin: 0 auto 24px;
    padding: 16px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.qrcode-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.modal-subtitle {
    font-size: 1rem;
    color: #666;
    margin-bottom: 12px;
}

.modal-info {
    font-size: 0.9rem;
    color: #999;
}

/* ==========================================
   页面横幅（子页面通用）
   ========================================== */
.page-banner {
    height: 300px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 72px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.page-banner::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
}

.page-banner-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: #fff;
    padding: 0 24px;
}

.page-banner-content h1 {
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 12px;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.3);
    letter-spacing: 2px;
}

.page-banner-content p {
    font-size: 1.2rem;
    opacity: 0.9;
    letter-spacing: 1px;
}

/* ==========================================
   面包屑导航
   ========================================== */
.breadcrumb {
    padding: 16px 0;
    font-size: 0.9rem;
    color: var(--color-text-light);
}

.breadcrumb a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.breadcrumb a:hover {
    color: var(--color-accent);
}

.breadcrumb span {
    margin: 0 8px;
    color: var(--color-text-lighter);
}

/* ==========================================
   公共按钮
   ========================================== */
.btn-primary {
    display: inline-block;
    padding: 12px 32px;
    background: var(--color-primary);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.btn-primary:hover {
    background: #3a6b1e;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(45, 80, 22, 0.3);
}

.btn-outline {
    display: inline-block;
    padding: 12px 32px;
    background: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.btn-outline:hover {
    background: var(--color-primary);
    color: #fff;
    transform: translateY(-2px);
}

/* ==========================================
   筛选标签（产品/FAQ 共用）
   ========================================== */
.filter-tags {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.filter-tag {
    padding: 8px 24px;
    border: 2px solid var(--color-primary);
    border-radius: 24px;
    background: transparent;
    color: var(--color-primary);
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-tag:hover,
.filter-tag.active {
    background: var(--color-primary);
    color: #fff;
}

/* ==========================================
   加载状态与错误提示
   ========================================== */
.loading-text {
    text-align: center;
    color: var(--color-text-light);
    font-size: 1.1rem;
    padding: 64px 0;
}

.error-message {
    text-align: center;
    color: var(--color-text-light);
    padding: 64px 24px;
}

.error-message p {
    font-size: 1.1rem;
    margin-bottom: 24px;
}

/* 骨架屏 */
.skeleton {
    max-width: 800px;
    margin: 0 auto;
    padding: 48px 0;
}

.skeleton-line {
    height: 16px;
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: 4px;
    margin-bottom: 12px;
}

.skeleton-line.title {
    height: 32px;
    width: 60%;
    margin-bottom: 24px;
}

.skeleton-line.meta {
    height: 14px;
    width: 30%;
    margin-bottom: 32px;
}

.skeleton-line:nth-child(odd) {
    width: 100%;
}

.skeleton-line:nth-child(even) {
    width: 85%;
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* 图片占位背景（真实图片加载前显示） */
img {
    background: var(--color-bg-green);
}

/* ==========================================
   客户案例页
   ========================================== */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.case-card {
    background: #fff;
    border-radius: var(--radius-card);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: all 0.3s ease;
}

.case-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-card-hover);
}

.case-header {
    padding: 32px 24px 16px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.case-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--color-bg-green);
}

.case-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-primary);
}

.case-location {
    font-size: 0.85rem;
    color: var(--color-text-light);
    margin-top: 2px;
}

.case-years {
    display: inline-block;
    margin: 0 24px 12px;
    padding: 4px 12px;
    background: var(--color-bg-green);
    color: var(--color-primary);
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 500;
}

.case-quote {
    padding: 0 24px 20px;
    font-size: 0.95rem;
    color: var(--color-text-light);
    line-height: 1.7;
    font-style: italic;
    border-left: 3px solid var(--color-accent);
    margin-left: 24px;
    padding-left: 16px;
}

.case-photo {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
}

/* ==========================================
   基地介绍页
   ========================================== */
.story-section {
    padding: 96px 0;
    display: flex;
    gap: 48px;
    align-items: center;
}

.story-text {
    flex: 6;
}

.story-text h2 {
    font-size: 2rem;
    color: var(--color-primary);
    margin-bottom: 24px;
}

.story-text p {
    font-size: 1.05rem;
    color: var(--color-text-light);
    line-height: 2;
    text-align: justify;
}

.story-image {
    flex: 4;
    border-radius: var(--radius-card);
    overflow: hidden;
    box-shadow: var(--shadow-card);
}

.story-image img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    display: block;
}

.timeline {
    padding: 96px 0;
    background: rgba(255, 255, 255, 0.5);
}

.timeline-list {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding-left: 40px;
}

.timeline-list::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--color-bg-green);
    border-radius: 2px;
}

.timeline-item {
    position: relative;
    padding: 0 0 48px 32px;
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -32px;
    top: 4px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--color-primary);
    border: 3px solid var(--color-bg-green);
}

.timeline-year {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.timeline-desc {
    font-size: 1rem;
    color: var(--color-text-light);
    line-height: 1.7;
}

.base-gallery {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    padding: 0 0 96px;
}

.base-gallery img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-card);
    transition: transform 0.3s ease;
}

.base-gallery img:hover {
    transform: scale(1.02);
}

.team-section {
    padding: 0 0 96px;
}

.team-grid {
    display: flex;
    justify-content: center;
    gap: 48px;
    flex-wrap: wrap;
}

.team-card {
    text-align: center;
    max-width: 300px;
}

.team-avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 16px;
    border: 4px solid var(--color-bg-green);
    box-shadow: var(--shadow-card);
}

.team-name {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 4px;
}

.team-role {
    font-size: 0.9rem;
    color: var(--color-accent);
    margin-bottom: 12px;
}

.team-bio {
    font-size: 0.95rem;
    color: var(--color-text-light);
    line-height: 1.7;
}

/* ==========================================
   知识百科页
   ========================================== */
.knowledge-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.knowledge-category {
    background: #fff;
    border-radius: var(--radius-card);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    cursor: pointer;
    transition: all 0.3s ease;
}

.knowledge-category:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-card-hover);
}

.knowledge-category-cover {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
}

.knowledge-category-info {
    padding: 24px;
}

.knowledge-category-name {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.knowledge-category-count {
    font-size: 0.85rem;
    color: var(--color-accent);
    margin-bottom: 12px;
}

.knowledge-category-desc {
    font-size: 0.95rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

.knowledge-articles {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease;
    background: rgba(255, 255, 255, 0.5);
    margin-top: -8px;
    border-radius: 0 0 var(--radius-card) var(--radius-card);
}

.knowledge-articles.expanded {
    max-height: 2000px;
}

.knowledge-article-item {
    display: flex;
    gap: 16px;
    padding: 20px 24px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    text-decoration: none;
    color: inherit;
    transition: background 0.3s ease;
}

.knowledge-article-item:hover {
    background: rgba(45, 80, 22, 0.05);
}

.knowledge-article-thumb {
    width: 80px;
    height: 60px;
    border-radius: 8px;
    object-fit: cover;
    flex-shrink: 0;
}

.knowledge-article-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 4px;
}

.knowledge-article-summary {
    font-size: 0.85rem;
    color: var(--color-text-light);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ==========================================
   产品中心页
   ========================================== */
.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.product-card {
    background: #fff;
    border-radius: var(--radius-card);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: all 0.3s ease;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-card-hover);
}

.product-card[data-visible="false"] {
    display: none;
}

.product-image {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
}

.product-info {
    padding: 24px;
}

.product-name {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.product-spec {
    font-size: 0.9rem;
    color: var(--color-text-light);
    margin-bottom: 12px;
    line-height: 1.6;
}

.product-price {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: 16px;
}

.product-btn {
    width: 100%;
    text-align: center;
}

.order-steps {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    gap: 0;
    padding: 96px 0 64px;
    max-width: 900px;
    margin: 0 auto;
}

.order-step {
    flex: 1;
    text-align: center;
    position: relative;
}

.order-step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 28px;
    right: -50%;
    width: 100%;
    height: 2px;
    background: var(--color-bg-green);
    z-index: 0;
}

.order-step-icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--color-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 12px;
    font-size: 1.5rem;
    position: relative;
    z-index: 1;
}

.order-step-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 4px;
}

.order-step-desc {
    font-size: 0.85rem;
    color: var(--color-text-light);
}

/* ==========================================
   新闻动态页
   ========================================== */
.news-list {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.news-card {
    display: flex;
    gap: 24px;
    background: #fff;
    border-radius: var(--radius-card);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: all 0.3s ease;
    text-decoration: none;
    color: inherit;
}

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

.news-card-image {
    width: 30%;
    min-width: 200px;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    flex-shrink: 0;
}

.news-card-content {
    padding: 24px 24px 24px 0;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.news-card-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.news-card-meta {
    font-size: 0.85rem;
    color: var(--color-text-lighter);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.news-card-tag {
    padding: 2px 10px;
    background: var(--color-bg-green);
    color: var(--color-primary);
    border-radius: 10px;
    font-size: 0.8rem;
}

.news-card-summary {
    font-size: 0.95rem;
    color: var(--color-text-light);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ==========================================
   FAQ 页
   ========================================== */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: #fff;
    border-radius: var(--radius-small);
    margin-bottom: 12px;
    box-shadow: var(--shadow-card);
    overflow: hidden;
}

.faq-item[data-visible="false"] {
    display: none;
}

.faq-question {
    width: 100%;
    padding: 20px 24px;
    background: none;
    border: none;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--color-text);
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    transition: color 0.3s ease;
}

.faq-question:hover {
    color: var(--color-primary);
}

.faq-arrow {
    flex-shrink: 0;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-arrow {
    transform: rotate(180deg);
}

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

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer-content {
    padding: 0 24px 20px;
    font-size: 0.95rem;
    color: var(--color-text-light);
    line-height: 1.8;
}

.faq-cta {
    text-align: center;
    padding: 64px 0 0;
}

.faq-cta p {
    font-size: 1.1rem;
    color: var(--color-text-light);
    margin-bottom: 24px;
}

/* ==========================================
   文章详情页
   ========================================== */
.article-header {
    max-width: 800px;
    margin: 0 auto;
    padding: 48px 0 32px;
}

.article-title {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 16px;
    line-height: 1.4;
}

.article-meta {
    font-size: 0.9rem;
    color: var(--color-text-lighter);
    display: flex;
    align-items: center;
    gap: 12px;
    padding-bottom: 24px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.article-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 32px 0 64px;
    font-size: 1.05rem;
    color: var(--color-text);
    line-height: 2;
}

.article-content h2 {
    font-size: 1.6rem;
    color: var(--color-primary);
    margin: 48px 0 16px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--color-bg-green);
}

.article-content h3 {
    font-size: 1.3rem;
    color: var(--color-primary);
    margin: 32px 0 12px;
}

.article-content h4 {
    font-size: 1.1rem;
    color: var(--color-text);
    margin: 24px 0 8px;
}

.article-content p {
    margin-bottom: 16px;
}

.article-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-small);
    margin: 24px auto;
    display: block;
    box-shadow: var(--shadow-card);
}

.article-content ul,
.article-content ol {
    margin: 16px 0;
    padding-left: 24px;
}

.article-content li {
    margin-bottom: 8px;
}

.article-content blockquote {
    border-left: 4px solid var(--color-accent);
    padding: 16px 24px;
    margin: 24px 0;
    background: rgba(201, 169, 97, 0.08);
    border-radius: 0 var(--radius-small) var(--radius-small) 0;
    color: var(--color-text-light);
    font-style: italic;
}

.article-content strong {
    color: var(--color-primary);
}

.article-nav {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    gap: 24px;
    padding: 32px 0;
    border-top: 1px solid rgba(0, 0, 0, 0.08);
}

.article-nav a {
    text-decoration: none;
    color: var(--color-primary);
    font-size: 0.95rem;
    transition: color 0.3s ease;
}

.article-nav a:hover {
    color: var(--color-accent);
}

.article-nav-prev {
    text-align: left;
}

.article-nav-next {
    text-align: right;
    margin-left: auto;
}

.article-nav-label {
    font-size: 0.8rem;
    color: var(--color-text-lighter);
    margin-bottom: 4px;
}

.article-back {
    text-align: center;
    padding: 24px 0 64px;
}

/* ==========================================
   响应式设计 - 移动端适配
   ========================================== */
@media (max-width: 1200px) {
    .nav-menu {
        gap: 20px;
    }
}

@media (max-width: 1024px) {
    .nav-menu {
        gap: 16px;
    }
    .nav-link {
        font-size: 0.9rem;
    }
}

@media (max-width: 768px) {
    /* 导航栏 */
    .hamburger {
        display: flex;
    }

    .nav-menu {
        display: none;
    }

    .page-banner {
        height: 200px;
        margin-top: 60px;
    }

    .page-banner-content h1 {
        font-size: 1.8rem;
    }

    .page-banner-content p {
        font-size: 1rem;
    }

    /* Banner */
    .hero {
        height: 70vh;
        min-height: 500px;
        margin-top: 100px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    /* 标题 */
    .section-title {
        font-size: 1.8rem;
    }

    /* 品种特点 */
    .features {
        padding: 64px 0;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    /* 轮播图 */
    .carousel-btn {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

    .carousel-btn.prev {
        left: 8px;
    }

    .carousel-btn.next {
        right: 8px;
    }

    /* 盆景展示 */
    .showcase {
        padding: 64px 0;
    }

    .showcase-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }

    /* 养护知识 */
    .care {
        padding: 64px 0;
    }

    .care-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .care-item {
        flex-direction: column;
        text-align: center;
    }

    /* 关于我们 */
    .about {
        padding: 64px 0;
    }

    .about-text {
        font-size: 1rem;
        text-align: left;
    }

    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }

    .story-section {
        flex-direction: column;
        padding: 64px 0;
    }

    .base-gallery {
        grid-template-columns: 1fr;
    }

    .knowledge-grid {
        grid-template-columns: 1fr;
    }

    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }

    .order-steps {
        flex-direction: column;
        align-items: center;
        gap: 32px;
    }

    .order-step:not(:last-child)::after {
        display: none;
    }

    .news-card {
        flex-direction: column;
    }

    .news-card-image {
        width: 100%;
        min-width: auto;
    }

    .news-card-content {
        padding: 0 24px 24px;
    }

    .article-title {
        font-size: 1.6rem;
    }

    .article-nav {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.5rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .feature-card {
        padding: 32px 20px;
    }

    .care-item {
        padding: 24px;
    }

    .cases-grid {
        grid-template-columns: 1fr;
    }

    .products-grid {
        grid-template-columns: 1fr;
    }

    .filter-tags {
        gap: 8px;
    }

    .filter-tag {
        padding: 6px 16px;
        font-size: 0.85rem;
    }
}

/* ==========================================
   导航栏下拉菜单
   ========================================== */
.nav-item {
    position: relative;
    list-style: none;
}

.nav-item.has-dropdown > .nav-link {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-arrow {
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.nav-item.has-dropdown:hover .nav-arrow {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    min-width: 160px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
    padding: 12px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateX(-50%) translateY(10px);
    transition: all 0.3s ease;
    z-index: 100;
}

.nav-item.has-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.dropdown-link {
    display: block;
    padding: 10px 24px;
    color: var(--color-text);
    text-decoration: none;
    font-size: 0.95rem;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.dropdown-link:hover {
    background: var(--color-bg-green);
    color: var(--color-primary);
}

/* Mobile overlay sub-links */
.nav-overlay-link {
    font-size: 1.2rem;
    color: var(--color-text);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-overlay-link:hover,
.nav-overlay-link.active {
    color: var(--color-primary);
}

.nav-overlay-sublink {
    font-size: 1rem;
    color: var(--color-text-light);
    text-decoration: none;
    padding-left: 24px;
    transition: color 0.3s ease;
}

.nav-overlay-sublink:hover {
    color: var(--color-primary);
}

#nav-overlay-products {
    display: contents;
}

/* ==========================================
   新版页脚
   ========================================== */
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 48px;
    padding-bottom: 32px;
    margin-bottom: 32px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.footer-heading {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 16px;
}

.footer-desc {
    font-size: 0.9rem;
    color: var(--color-text-light);
    line-height: 1.7;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.footer-links a {
    color: var(--color-text-light);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--color-primary);
}

.footer-contact {
    font-size: 0.9rem;
    color: var(--color-text-light);
    line-height: 1.8;
}

.footer-bottom {
    text-align: center;
}

/* ==========================================
   4列特色卡片 (首页)
   ========================================== */
.features-grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

/* ==========================================
   品类导航卡片 (首页)
   ========================================== */
.category-nav {
    padding: 96px 0;
    background: rgba(255, 255, 255, 0.5);
}

.category-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.category-card {
    position: relative;
    border-radius: var(--radius-card);
    overflow: hidden;
    height: 320px;
    display: flex;
    align-items: flex-end;
    text-decoration: none;
    color: #fff;
    transition: transform 0.3s ease;
}

.category-card:hover {
    transform: translateY(-8px);
}

.category-card-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transition: transform 0.5s ease;
}

.category-card:hover .category-card-bg {
    transform: scale(1.05);
}

.category-card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.1) 100%);
}

.category-card-content {
    position: relative;
    z-index: 1;
    padding: 32px;
    width: 100%;
}

.category-card-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.category-card-desc {
    font-size: 1rem;
    opacity: 0.9;
    margin-bottom: 16px;
}

.category-card-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-accent);
}

/* ==========================================
   精选产品 (首页)
   ========================================== */
.featured-products {
    padding: 96px 0;
    background: rgba(255, 255, 255, 0.5);
}

.section-more {
    text-align: center;
    margin-top: 48px;
}

.product-category-tag {
    display: inline-block;
    padding: 4px 12px;
    background: var(--color-bg-green);
    color: var(--color-primary);
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 500;
    margin-bottom: 12px;
}

/* ==========================================
   关于 + 新闻 分栏 (首页)
   ========================================== */
.about-news {
    padding: 96px 0;
}

.about-news-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
}

.about-news-left .about-text {
    font-size: 1rem;
    color: var(--color-text-light);
    line-height: 2;
    text-align: justify;
    margin-bottom: 32px;
}

.about-actions {
    margin-top: 24px;
}

.news-mini-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.news-mini-item {
    display: flex;
    gap: 16px;
    padding: 16px 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
    align-items: flex-start;
}

.news-mini-item:hover {
    color: var(--color-primary);
}

.news-mini-date {
    font-size: 0.85rem;
    color: var(--color-text-lighter);
    white-space: nowrap;
    flex-shrink: 0;
    min-width: 90px;
}

.news-mini-title {
    font-size: 1rem;
    font-weight: 500;
    line-height: 1.5;
}

/* ==========================================
   留言咨询 CTA (首页)
   ========================================== */
.contact-cta {
    padding: 96px 0;
    background: var(--color-primary);
    color: #fff;
}

.contact-cta-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.contact-cta-desc {
    font-size: 1.1rem;
    line-height: 1.8;
    opacity: 0.9;
    margin-top: -32px;
    margin-bottom: 32px;
}

.contact-cta-info {
    margin-bottom: 24px;
}

.contact-cta-info p {
    font-size: 1rem;
    opacity: 0.85;
    margin-bottom: 8px;
}

.contact-cta-social {
    display: flex;
    gap: 16px;
}

.social-link-light {
    background: rgba(255, 255, 255, 0.15) !important;
    color: #fff !important;
}

.social-link-light:hover {
    background: rgba(255, 255, 255, 0.3) !important;
    transform: translateY(-4px);
}

.contact-cta-form {
    background: #fff;
    border-radius: var(--radius-card);
    padding: 40px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

/* ==========================================
   留言表单
   ========================================== */
.message-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text);
}

.form-label .required {
    color: #e74c3c;
}

.form-input,
.form-textarea {
    padding: 12px 16px;
    border: 2px solid #e8e8e8;
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s ease;
    outline: none;
    background: #fafafa;
}

.form-input:focus,
.form-textarea:focus {
    border-color: var(--color-primary);
    background: #fff;
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

.form-submit {
    margin-top: 8px;
}

.form-hint {
    font-size: 0.9rem;
    margin-top: 8px;
    text-align: center;
}

.form-hint.success {
    color: var(--color-primary);
}

.form-hint.error {
    color: #e74c3c;
}

/* ==========================================
   分类 Tabs（产品/知识 共用）
   ========================================== */
.category-tabs {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.category-tab {
    padding: 10px 28px;
    border: none;
    border-bottom: 3px solid transparent;
    background: transparent;
    color: var(--color-text-light);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.category-tab:hover {
    color: var(--color-primary);
}

.category-tab.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
    font-weight: 600;
}

/* ==========================================
   子分类标签
   ========================================== */
.sub-category-tags {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

/* ==========================================
   分页
   ========================================== */
.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 48px;
    flex-wrap: wrap;
}

.page-btn {
    padding: 8px 16px;
    border: 2px solid var(--color-primary);
    border-radius: 8px;
    background: transparent;
    color: var(--color-primary);
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.page-btn:hover,
.page-btn.active {
    background: var(--color-primary);
    color: #fff;
}

/* ==========================================
   产品详情页
   ========================================== */
.product-detail-section {
    padding: 48px 0 96px;
}

.product-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: flex-start;
}

.product-detail-gallery {
    position: sticky;
    top: 100px;
}

.detail-main-image {
    width: 100%;
    border-radius: var(--radius-card);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    margin-bottom: 16px;
}

.detail-main-image img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    display: block;
}

.detail-thumbs {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.detail-thumb {
    width: 80px;
    height: 60px;
    border-radius: 8px;
    object-fit: cover;
    cursor: pointer;
    border: 3px solid transparent;
    transition: border-color 0.3s ease;
}

.detail-thumb.active,
.detail-thumb:hover {
    border-color: var(--color-primary);
}

.product-detail-name {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 12px;
    line-height: 1.3;
}

.product-detail-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-light);
    margin-bottom: 16px;
}

.product-detail-desc {
    font-size: 1rem;
    color: var(--color-text);
    line-height: 1.8;
    margin: 24px 0;
}

.product-detail-desc p {
    margin-bottom: 16px;
}

.product-detail-desc img {
    max-width: 100%;
    border-radius: var(--radius-small);
}

.product-detail-actions {
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid rgba(0, 0, 0, 0.08);
}

.related-products {
    padding: 48px 0 96px;
    background: rgba(255, 255, 255, 0.5);
}

/* ==========================================
   案例详情页
   ========================================== */
.case-detail-section {
    padding: 48px 0 96px;
}

.case-detail-header {
    margin-bottom: 32px;
    text-align: center;
}

.case-detail-title {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 16px;
    line-height: 1.3;
}

.case-detail-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    color: var(--color-text-light);
    font-size: 0.95rem;
}

.case-detail-tag {
    display: inline-block;
    background: var(--color-bg-green);
    color: var(--color-primary);
    padding: 6px 20px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

/* 图片画廊 */
.case-gallery {
    margin-bottom: 48px;
}

.case-gallery-main {
    width: 100%;
    max-width: 900px;
    margin: 0 auto 16px;
    border-radius: var(--radius-card);
    overflow: hidden;
    box-shadow: var(--shadow-card);
}

.case-gallery-main img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    display: block;
}

.case-gallery-thumbs {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
}

.case-gallery-thumb {
    width: 120px;
    height: 80px;
    border-radius: 8px;
    object-fit: cover;
    cursor: pointer;
    border: 3px solid transparent;
    transition: all 0.3s ease;
    opacity: 0.7;
}

.case-gallery-thumb.active,
.case-gallery-thumb:hover {
    border-color: var(--color-primary);
    opacity: 1;
}

/* 案例内容区 - 两栏布局 */
.case-detail-body {
    display: grid;
    grid-template-columns: 1fr 360px;
    gap: 48px;
    align-items: flex-start;
    max-width: 1100px;
    margin: 0 auto;
}

.case-detail-content {
    background: #fff;
    border-radius: var(--radius-card);
    padding: 40px;
    box-shadow: var(--shadow-card);
    font-size: 1.05rem;
    color: var(--color-text);
    line-height: 2;
    text-align: justify;
}

.case-detail-content p {
    margin-bottom: 16px;
}

.case-detail-content img {
    max-width: 100%;
    border-radius: var(--radius-small);
}

/* 右侧客户信息卡片 */
.case-client-card {
    background: var(--color-bg-light);
    border-radius: var(--radius-card);
    padding: 32px;
    position: sticky;
    top: 100px;
    box-shadow: var(--shadow-card);
}

.case-client-card h3 {
    font-size: 1.1rem;
    color: var(--color-primary);
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--color-accent);
}

.case-client-info {
    margin-bottom: 16px;
}

.case-client-name {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--color-text);
}

.case-client-feedback {
    font-size: 0.95rem;
    color: var(--color-text-light);
    line-height: 1.8;
    font-style: italic;
    padding: 20px;
    background: #fff;
    border-radius: var(--radius-small);
    border-left: 3px solid var(--color-accent);
    margin-top: 16px;
}

.case-detail-actions {
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid rgba(0, 0, 0, 0.08);
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.case-detail-actions .btn-primary,
.case-detail-actions .btn-outline {
    text-align: center;
    width: 100%;
    display: block;
    box-sizing: border-box;
}

/* 更多案例 */
.related-cases {
    padding: 48px 0 96px;
    background: rgba(255, 255, 255, 0.5);
}

/* ==========================================
   知识百科文章卡片网格
   ========================================== */
.knowledge-article-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.knowledge-card {
    background: #fff;
    border-radius: var(--radius-card);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: all 0.3s ease;
    text-decoration: none;
    color: inherit;
    display: block;
}

.knowledge-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-card-hover);
}

.knowledge-card-image {
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
}

.knowledge-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.knowledge-card:hover .knowledge-card-image img {
    transform: scale(1.05);
}

.knowledge-card-content {
    padding: 24px;
}

.knowledge-card-category {
    display: inline-block;
    padding: 2px 10px;
    background: var(--color-bg-green);
    color: var(--color-primary);
    border-radius: 10px;
    font-size: 0.8rem;
    font-weight: 500;
    margin-bottom: 8px;
}

.knowledge-card-title {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 8px;
    line-height: 1.4;
}

.knowledge-card-summary {
    font-size: 0.9rem;
    color: var(--color-text-light);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 12px;
}

.knowledge-card-date {
    font-size: 0.8rem;
    color: var(--color-text-lighter);
}

/* ==========================================
   FAQ 分组标题
   ========================================== */
.faq-group-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-primary);
    margin: 32px 0 16px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--color-bg-green);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.faq-group-title:first-child {
    margin-top: 0;
}

/* ==========================================
   联系我们页
   ========================================== */
.contact-page-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
}

.contact-info-cards {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 32px;
}

.contact-info-card {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    padding: 24px;
    background: #fff;
    border-radius: var(--radius-small);
    box-shadow: var(--shadow-card);
}

.contact-info-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.contact-info-card h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 4px;
}

.contact-info-card p {
    font-size: 0.95rem;
    color: var(--color-text-light);
}

.contact-info-card a {
    color: var(--color-primary);
    text-decoration: none;
}

.contact-info-card a:hover {
    color: var(--color-accent);
}

.contact-social-section {
    margin-top: 32px;
}

.contact-social-section h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 16px;
}

.contact-form-section .message-form {
    background: #fff;
    padding: 32px;
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-card);
}

/* ==========================================
   CTA Section (products page)
   ========================================== */
.cta-section {
    padding: 64px 0 96px;
    background: rgba(255, 255, 255, 0.5);
}

/* ==========================================
   新版响应式补充
   ========================================== */
@media (max-width: 1200px) {
    .features-grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px;
    }
}

@media (max-width: 1024px) {
    .about-news-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .contact-cta-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .product-detail-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .product-detail-gallery {
        position: static;
    }

    .case-detail-body {
        grid-template-columns: 1fr;
        gap: 32px;
        max-width: 100%;
    }

    .case-client-card {
        position: static;
    }

    .case-detail-actions {
        flex-direction: row;
    }

    .case-detail-actions .btn-primary,
    .case-detail-actions .btn-outline {
        width: auto;
    }
}

@media (max-width: 768px) {
    .dropdown-menu {
        display: none;
    }

    .nav-arrow {
        display: none;
    }

    .features-grid-4 {
        grid-template-columns: 1fr;
    }

    .category-cards {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .category-card {
        height: 200px;
    }

    .knowledge-article-grid {
        grid-template-columns: 1fr;
    }

    .contact-page-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .category-tabs {
        gap: 4px;
    }

    .category-tab {
        padding: 8px 16px;
        font-size: 0.9rem;
    }

    .contact-cta-form {
        padding: 24px;
    }

    .case-detail-title {
        font-size: 1.5rem;
    }

    .case-detail-content {
        padding: 24px;
    }

    .case-gallery-main img {
        aspect-ratio: 4 / 3;
    }

    .case-gallery-thumb {
        width: 80px;
        height: 54px;
    }
}

@media (max-width: 480px) {
    .category-card-title {
        font-size: 1.3rem;
    }

    .product-detail-name {
        font-size: 1.5rem;
    }

    .contact-info-card {
        padding: 16px;
    }
}