/* ============================================
   读见太极 - 主样式 (main.css)
   组件与布局：页头/导航/Hero/产品/文章/表单/页脚等
   ============================================ */

/* ========== 按钮 ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    font-family: var(--font-body);
    font-size: 15px;
    font-weight: 500;
    letter-spacing: 1px;
    border: 2px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(18, 61, 53, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--color-white);
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--color-white);
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-secondary:hover {
    background: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-2px);
}

.btn-sm {
    padding: 10px 24px;
    font-size: 14px;
}

/* ========== HEADER ========== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: all var(--transition-base);
}

.header-top {
    background: var(--color-primary-dark);
    color: rgba(255, 255, 255, 0.8);
    font-size: 13px;
    padding: 6px 0;
    transition: all var(--transition-base);
}

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

.header-social-mini a {
    color: rgba(255, 255, 255, 0.8);
    font-size: 13px;
    transition: color var(--transition-fast);
}

.header-social-mini a:hover {
    color: var(--color-accent);
}

.header-social-mini .divider {
    margin: 0 10px;
    opacity: 0.3;
}

.header-main {
    background: rgba(255, 255, 255, 0.98);
    border-bottom: 1px solid var(--color-border-light);
    padding: 12px 0;
    transition: all var(--transition-base);
    backdrop-filter: blur(10px);
}

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

/* Logo */
.site-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo-icon {
    color: var(--color-primary);
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

/* 品牌 logo 图片（正式 logo 为圆形标志，透明底） */
.logo-icon .site-logo-img,
.logo-icon .custom-logo {
    display: block;
    width: 48px;
    height: 48px;
    object-fit: contain;
    border: 0;
    border-radius: 0;
    background: transparent;
}

/* 页脚 logo：深色底，圆形标志本身有深黑部分，加一圈米金描边提升辨识度 */
.footer-logo .logo-icon {
    padding: 4px;
    border: 1px solid rgba(199, 165, 99, 0.45);
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.04);
}

.footer-logo .logo-icon .site-logo-img,
.footer-logo .logo-icon .custom-logo {
    width: 40px;
    height: 40px;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-cn {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: 4px;
    line-height: 1.2;
}

.logo-en {
    font-family: var(--font-en);
    font-size: 10px;
    color: var(--color-accent-dark);
    letter-spacing: 3px;
    text-transform: uppercase;
}

/* 导航 */
.main-nav .nav-list {
    display: flex;
    align-items: center;
    gap: 0;
}

.main-nav .nav-item {
    position: relative;
}

.main-nav .nav-item > a {
    display: block;
    padding: 8px 20px;
    font-size: 15px;
    font-weight: 500;
    color: var(--color-text);
    letter-spacing: 1px;
    transition: color var(--transition-fast);
    position: relative;
}

.main-nav .nav-item > a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 20px;
    right: 20px;
    height: 2px;
    background: var(--color-primary);
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

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

.main-nav .nav-item:hover > a::after,
.main-nav .nav-item.active > a::after {
    transform: scaleX(1);
}

/* 下拉菜单 */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    min-width: 160px;
    background: var(--color-white);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: 8px 0;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 100;
}

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

.dropdown-menu li a {
    display: block;
    padding: 10px 20px;
    font-size: 14px;
    color: var(--color-text-light);
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.dropdown-menu li a:hover {
    background: var(--color-primary-bg);
    color: var(--color-primary);
    padding-left: 24px;
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: all var(--transition-base);
    border-radius: 1px;
}

/* 移动端菜单 */
.mobile-menu-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 998;
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    right: -300px;
    width: 300px;
    height: 100vh;
    background: var(--color-white);
    z-index: 999;
    transition: right var(--transition-base);
    overflow-y: auto;
}

.mobile-menu.open {
    right: 0;
}

.mobile-menu-overlay.open {
    display: block;
}

.mobile-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid var(--color-border-light);
}

.mobile-menu-close {
    background: none;
    border: none;
    font-size: 28px;
    cursor: pointer;
    color: var(--color-text);
    padding: 4px 8px;
}

.mobile-nav {
    padding: 20px 0;
}

.mobile-nav-item {
    display: block;
    padding: 14px 20px;
    font-size: 16px;
    color: var(--color-text);
    border-bottom: 1px solid var(--color-border-light);
    transition: all var(--transition-fast);
}

.mobile-nav-item.active,
.mobile-nav-item:hover {
    color: var(--color-primary);
    background: var(--color-primary-bg);
    padding-left: 28px;
}

/* ========== 通用区块 ========== */
.section {
    padding: var(--spacing-xxxl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    font-family: var(--font-en);
    font-size: 12px;
    letter-spacing: 4px;
    color: var(--color-accent-dark);
    text-transform: uppercase;
    margin-bottom: 12px;
    position: relative;
}

.section-tag::before,
.section-tag::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 30px;
    height: 1px;
    background: var(--color-accent);
}

.section-tag::before {
    right: calc(100% + 12px);
}

.section-tag::after {
    left: calc(100% + 12px);
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    letter-spacing: 4px;
    margin-bottom: 16px;
}

.section-desc {
    font-size: 16px;
    color: var(--color-text-light);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.8;
}

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

/* ========== 匹克合作区 ========== */
.peak-cooperation {
    background: var(--color-white);
}

.peak-content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: center;
}

.peak-visual {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 24px;
}

/* ---------- 匹克（PEAK）合作视觉 ----------
   版式：品牌 logo 在上，合作身份说明（战略合作伙伴 / STRATEGIC PARTNER · 2026）在下。
   logo 是透明底图片，直接放在页面背景上，不加边框与底色。 */

.peak-visual {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 22px;
    text-align: center;
}

/* logo：透明底、无边框。用 img.peak-logo 保证特化度压过 .about-image img 等通用规则 */
img.peak-logo {
    display: block;
    width: auto;
    max-width: 260px;
    max-height: 230px;
    height: auto;
    margin: 0 auto;
    border: 0;
    border-radius: 0;
    box-shadow: none;
    background: transparent;
    padding: 0;
}

/* 关于页的匹克区块：.about-image 原本是「360px 高 + 底色 + 边框」的图片占位盒，
   用来包 logo 会多出一个方框，这里在 #peak 区块内取消它 */
#peak .about-image {
    height: auto;
    min-height: 0;
    background: transparent;
    border: 0;
    border-radius: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 22px;
    color: inherit;
}

/* 合作身份说明：紧跟在 logo 下方 */
.peak-partner-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    max-width: 320px;
    margin: 0 auto;
}

.peak-partner-badge strong {
    display: block;
    font-family: var(--font-serif);
    font-size: 18px;
    letter-spacing: 2px;
    color: var(--color-primary-dark);
}

.peak-partner-badge span {
    display: block;
    font-family: var(--font-en);
    font-size: 11px;
    letter-spacing: 3px;
    color: var(--color-accent-dark);
}

/* 合作内容说明块 */
.peak-detail {
    margin-top: 8px;
    padding: 20px 24px;
    background: var(--color-primary-bg);
    border-left: 3px solid var(--color-accent);
    border-radius: var(--radius-md);
}

.peak-detail h4 {
    font-size: 15px;
    margin-bottom: 8px;
    letter-spacing: 1px;
    color: var(--color-primary-dark);
}

.peak-detail p {
    font-size: 14px;
    line-height: 1.8;
    color: var(--color-text-light);
    margin: 0;
}

/* ---------- 匹克区块：logo 在上、合作身份在下 ----------
   说明：早期占位设计（圆形渐变徽章 + ::before 圆环 + 文字 PEAK）已弃用。
   现在 logo 用 <img class="peak-logo">，身份说明用 .peak-partner-badge，
   相关样式集中在文件上方「匹克（PEAK）合作视觉」一节，这里不再重复定义。 */

.peak-info {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.peak-feature {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.feature-icon {
    flex-shrink: 0;
    width: 52px;
    height: 52px;
    background: var(--color-primary-bg);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
}

.peak-feature h4 {
    font-size: 18px;
    margin-bottom: 4px;
}

.peak-feature p {
    font-size: 14px;
    color: var(--color-text-light);
    line-height: 1.6;
}

/* ========== 产品系列 ========== */
.products-section {
    background: var(--color-bg-alt);
}

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

.product-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
    text-decoration: none;
    display: block;
}

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

.product-card-img {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.product-img-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-bg-alt), var(--color-border-light));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    transition: all var(--transition-base);
}

.product-card:hover .product-img-placeholder {
    background: linear-gradient(135deg, var(--color-primary-bg), var(--color-accent-light));
    color: var(--color-primary);
}

.product-card-overlay {
    position: absolute;
    inset: 0;
    background: rgba(18, 61, 53, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.product-card:hover .product-card-overlay {
    opacity: 1;
}

.product-card-overlay span {
    color: var(--color-white);
    font-size: 15px;
    letter-spacing: 2px;
    padding: 10px 24px;
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: var(--radius-sm);
}

.product-card-info {
    padding: 24px 20px;
}

.product-series-num {
    font-family: var(--font-en);
    font-size: 13px;
    color: var(--color-accent-dark);
    letter-spacing: 2px;
    display: block;
    margin-bottom: 8px;
}

.product-card-title {
    font-size: 20px;
    margin-bottom: 8px;
    letter-spacing: 2px;
}

.product-card-desc {
    font-size: 13px;
    color: var(--color-text-light);
    line-height: 1.6;
    margin-bottom: 16px;
}

.product-card-tags {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.tag {
    display: inline-block;
    padding: 2px 10px;
    font-size: 11px;
    color: var(--color-accent-dark);
    background: var(--color-accent-light);
    border-radius: 20px;
    letter-spacing: 1px;
}

/* ========== 文章列表 ========== */
.blog-section {
    background: var(--color-white);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.blog-card {
    background: var(--color-white);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
    text-decoration: none;
    display: block;
}

.blog-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary-light);
}

.blog-card-featured {
    grid-column: span 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
}

.blog-card-img {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.blog-card-featured .blog-card-img {
    height: 100%;
    min-height: 280px;
}

.blog-img-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-bg-alt), var(--color-border-light));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
}

.blog-card-category {
    position: absolute;
    top: 16px;
    left: 16px;
    padding: 4px 14px;
    background: var(--color-primary);
    color: var(--color-white);
    font-size: 12px;
    border-radius: 20px;
    letter-spacing: 1px;
}

.blog-card-body {
    padding: 20px;
}

.blog-card-featured .blog-card-body {
    padding: 32px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.blog-card-title {
    font-size: 18px;
    margin-bottom: 10px;
    line-height: 1.5;
    letter-spacing: 0.5px;
    transition: color var(--transition-fast);
}

.blog-card:hover .blog-card-title {
    color: var(--color-primary);
}

.blog-card-featured .blog-card-title {
    font-size: 22px;
}

.blog-card-excerpt {
    font-size: 14px;
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-card-featured .blog-card-excerpt {
    -webkit-line-clamp: 3;
}

.blog-card-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--color-text-muted);
}

.meta-divider {
    opacity: 0.5;
}

/* ========== 品牌理念 ========== */
.brand-philosophy {
    position: relative;
    padding: 120px 0;
    overflow: hidden;
}

.philosophy-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 50%, var(--color-accent-dark) 100%);
}

.philosophy-pattern {
    position: absolute;
    inset: 0;
    opacity: 0.05;
    background-image:
        radial-gradient(circle at 20% 20%, white 1px, transparent 1px),
        radial-gradient(circle at 80% 80%, white 1px, transparent 1px);
    background-size: 40px 40px;
}

.philosophy-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.philosophy-quote {
    color: var(--color-white);
}

.quote-icon {
    color: rgba(255, 255, 255, 0.3);
    margin-bottom: 24px;
}

.philosophy-quote blockquote p {
    font-family: var(--font-heading);
    font-size: 24px;
    line-height: 2;
    letter-spacing: 3px;
    margin-bottom: 32px;
}

.philosophy-sign {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}

.sign-cn {
    font-family: var(--font-heading);
    font-size: 18px;
    letter-spacing: 6px;
    color: var(--color-accent);
}

.sign-en {
    font-family: var(--font-en);
    font-size: 12px;
    letter-spacing: 4px;
    color: rgba(255, 255, 255, 0.4);
    text-transform: uppercase;
}

/* ========== CTA 联系区 ========== */
.cta-section {
    background: var(--color-bg-alt);
}

.cta-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.cta-card {
    background: var(--color-white);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    text-align: center;
    transition: all var(--transition-base);
}

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

.cta-icon {
    color: var(--color-primary);
    margin-bottom: 20px;
}

.cta-card h3 {
    font-size: 20px;
    margin-bottom: 12px;
    letter-spacing: 2px;
}

.cta-card p {
    font-size: 14px;
    color: var(--color-text-light);
    margin-bottom: 24px;
    line-height: 1.6;
}

.qr-placeholder {
    display: flex;
    justify-content: center;
}

.qr-box {
    width: 120px;
    height: 120px;
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

/* ========== FOOTER ========== */
.site-footer {
    background: var(--color-bg-dark);
    color: rgba(255, 255, 255, 0.7);
}

.footer-main {
    padding: 64px 0 48px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr 1.2fr;
    gap: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    text-decoration: none;
}

.footer-logo .logo-icon {
    color: var(--color-accent);
}

.footer-logo .logo-cn {
    color: var(--color-white);
    font-size: 20px;
}

.footer-logo .logo-en {
    color: var(--color-accent);
    font-size: 9px;
}

.footer-desc {
    font-size: 13px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 16px;
}

.footer-slogan {
    font-family: var(--font-heading);
    font-size: 15px;
    color: var(--color-accent);
    letter-spacing: 3px;
}

.footer-heading {
    font-family: var(--font-body);
    font-size: 15px;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: 20px;
    letter-spacing: 2px;
    position: relative;
    padding-bottom: 12px;
}

.footer-heading::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--color-accent);
}

.footer-links li {
    margin-bottom: 10px;
    font-size: 13px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.5);
    transition: all var(--transition-fast);
    display: inline-block;
}

.footer-links a:hover {
    color: var(--color-accent);
    padding-left: 4px;
}

.footer-contact .footer-links li {
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-social {
    display: flex;
    gap: 10px;
    margin-top: 16px;
}

.social-link {
    width: 36px;
    height: 36px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
    transition: all var(--transition-fast);
    text-decoration: none;
}

.social-link:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    background: rgba(199, 165, 99, 0.1);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 20px 0;
}

.footer-bottom-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.3);
}

.footer-bottom-links {
    display: flex;
    gap: 12px;
    align-items: center;
}

.footer-bottom-links a {
    color: rgba(255, 255, 255, 0.3);
    transition: color var(--transition-fast);
}

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

.footer-bottom-links .divider {
    opacity: 0.3;
}

/* ========== 返回顶部 ========== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 44px;
    height: 44px;
    background: var(--color-primary);
    color: var(--color-white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-base);
    z-index: 100;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--color-primary-dark);
    transform: translateY(-3px);
}

/* ========== 文章详情页样式 ========== */
.page-header {
    background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
    padding: 140px 0 60px;
    text-align: center;
    color: var(--color-white);
}

.breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 13px;
    margin-bottom: 20px;
    opacity: 0.7;
}

.breadcrumb a {
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-fast);
}

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

.breadcrumb span {
    opacity: 0.5;
}

.page-header h1 {
    font-size: 32px;
    color: var(--color-white);
    letter-spacing: 2px;
    max-width: 700px;
    margin: 0 auto;
}

/* 文章正文 */
.article-content {
    padding: 60px 0;
}

.article-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 48px;
}

.article-main {
    min-width: 0;
    width: 100%;
    max-width: 720px;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 16px;
    padding-bottom: 24px;
    margin-bottom: 32px;
    border-bottom: 1px solid var(--color-border-light);
    font-size: 13px;
    color: var(--color-text-muted);
}

.article-meta .category-badge {
    padding: 4px 14px;
    background: var(--color-primary-bg);
    color: var(--color-primary);
    border-radius: 20px;
    font-size: 12px;
}

/* 核心要点区块 */
.article-takeaways {
    background: var(--color-primary-bg);
    border-left: 4px solid var(--color-primary);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    padding: 24px 28px;
    margin-bottom: 36px;
}

.article-takeaways h2 {
    font-size: 18px;
    color: var(--color-primary);
    margin-bottom: 12px;
    letter-spacing: 2px;
}

.article-takeaways ul {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.article-takeaways li {
    position: relative;
    padding-left: 20px;
    font-size: 15px;
    color: var(--color-text);
    line-height: 1.7;
}

.article-takeaways li::before {
    content: '◆';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-size: 10px;
    top: 6px;
}

/* 正文排版 */
.article-body h2 {
    font-size: 24px;
    margin-top: 40px;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--color-border-light);
    letter-spacing: 1px;
}

.article-body h3 {
    font-size: 20px;
    margin-top: 28px;
    margin-bottom: 12px;
    letter-spacing: 1px;
}

.article-body p {
    margin-bottom: 18px;
    font-size: 16px;
    line-height: 1.9;
    color: var(--color-text);
}

.article-body ul, .article-body ol {
    margin-bottom: 18px;
    padding-left: 24px;
}

.article-body li {
    margin-bottom: 8px;
    font-size: 15px;
    line-height: 1.8;
    list-style: disc;
}

.article-body img {
    border-radius: var(--radius-md);
    margin: 24px 0;
}

/* 对比表格 */
.comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
    font-size: 14px;
    border-radius: var(--radius-md);
    overflow: hidden;
}

.comparison-table thead th {
    background: var(--color-primary);
    color: var(--color-white);
    padding: 14px 16px;
    text-align: left;
    font-weight: 500;
    letter-spacing: 1px;
}

.comparison-table tbody td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--color-border-light);
    color: var(--color-text);
}

.comparison-table tbody tr:nth-child(even) {
    background: var(--color-bg-alt);
}

.comparison-table tbody tr:hover {
    background: var(--color-primary-bg);
}

/* FAQ 区块 */
.article-faq {
    margin-top: 48px;
    padding-top: 32px;
    border-top: 2px solid var(--color-border-light);
}

.article-faq h2 {
    font-size: 22px;
    margin-bottom: 20px;
    border: none;
    padding: 0;
}

.faq-item {
    margin-bottom: 12px;
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.faq-item summary {
    padding: 16px 20px;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    background: var(--color-bg-alt);
    transition: all var(--transition-fast);
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-item summary::after {
    content: '+';
    font-size: 20px;
    color: var(--color-primary);
    transition: transform var(--transition-base);
}

.faq-item[open] summary::after {
    transform: rotate(45deg);
}

.faq-item summary:hover {
    background: var(--color-primary-bg);
    color: var(--color-primary);
}

.faq-answer {
    padding: 16px 20px;
    font-size: 14px;
    line-height: 1.8;
    color: var(--color-text-light);
}

/* 相关阅读 */
.related-articles {
    margin-top: 48px;
}

.related-articles h2 {
    font-size: 20px;
    margin-bottom: 20px;
    border: none;
    padding: 0;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.related-card {
    padding: 16px;
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    text-decoration: none;
}

.related-card:hover {
    border-color: var(--color-primary);
    background: var(--color-primary-bg);
}

.related-card h4 {
    font-size: 14px;
    margin-bottom: 6px;
    line-height: 1.5;
}

.related-card span {
    font-size: 12px;
    color: var(--color-text-muted);
}

/* 侧边栏 */
.article-sidebar {
    position: sticky;
    top: 120px;
    height: fit-content;
}

.sidebar-widget {
    background: var(--color-white);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 24px;
}

.sidebar-widget h3 {
    font-size: 16px;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--color-primary);
    letter-spacing: 1px;
}

.sidebar-links li {
    margin-bottom: 12px;
}

.sidebar-links a {
    font-size: 14px;
    color: var(--color-text-light);
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all var(--transition-fast);
}

.sidebar-links a:hover {
    color: var(--color-primary);
    padding-left: 4px;
}

.sidebar-links .link-num {
    font-family: var(--font-en);
    font-size: 12px;
    color: var(--color-accent-dark);
    min-width: 20px;
}

.sidebar-wechat {
    text-align: center;
}

.sidebar-wechat .qr-box {
    margin: 12px auto 0;
}

/* ========== 产品详情页样式 ========== */
.product-detail {
    padding: 60px 0;
}

.product-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.product-gallery {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.product-main-img {
    width: 100%;
    height: 480px;
    background: var(--color-bg-alt);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    overflow: hidden;
}

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

.product-thumb {
    width: 80px;
    height: 80px;
    background: var(--color-bg-alt);
    border-radius: var(--radius-md);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
}

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

.product-info {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.product-series-label {
    display: inline-block;
    padding: 4px 16px;
    background: var(--color-accent-light);
    color: var(--color-accent-dark);
    font-size: 13px;
    border-radius: 20px;
    letter-spacing: 1px;
    width: fit-content;
}

.product-info h1 {
    font-size: 28px;
    letter-spacing: 2px;
    line-height: 1.4;
}

.product-info-desc {
    font-size: 15px;
    color: var(--color-text-light);
    line-height: 1.8;
}

.product-specs-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.spec-item {
    display: flex;
    gap: 12px;
    font-size: 14px;
    padding: 10px 0;
    border-bottom: 1px solid var(--color-border-light);
}

.spec-label {
    color: var(--color-text-muted);
    min-width: 80px;
    font-size: 13px;
}

.spec-value {
    color: var(--color-text);
}

.product-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 8px;
}

.product-action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 24px;
    border-radius: var(--radius-md);
    font-size: 15px;
    letter-spacing: 1px;
    transition: all var(--transition-base);
    text-decoration: none;
    cursor: pointer;
    border: none;
}

.action-taobao {
    background: var(--color-primary);
    color: white;
}

.action-taobao:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
}

.action-douyin {
    background: var(--color-text);
    color: white;
}

.action-douyin:hover {
    background: #000;
    transform: translateY(-2px);
}

.action-consult {
    background: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

.action-consult:hover {
    background: var(--color-primary);
    color: white;
}

/* 产品 TAB */
.product-tabs {
    margin-top: 48px;
    padding-top: 48px;
    border-top: 1px solid var(--color-border-light);
}

.tab-nav {
    display: flex;
    gap: 0;
    border-bottom: 2px solid var(--color-border-light);
    margin-bottom: 32px;
}

.tab-btn {
    padding: 14px 28px;
    background: none;
    border: none;
    font-family: var(--font-heading);
    font-size: 16px;
    color: var(--color-text-light);
    cursor: pointer;
    position: relative;
    transition: all var(--transition-fast);
    letter-spacing: 1px;
}

.tab-btn::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--color-primary);
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.tab-btn:hover,
.tab-btn.active {
    color: var(--color-primary);
}

.tab-btn.active::after {
    transform: scaleX(1);
}

.tab-content {
    display: none;
    padding: 24px 0;
    animation: fadeIn 0.3s ease;
}

.tab-content.active {
    display: block;
}

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

/* ========== FAQ 页面 ========== */
.faq-section {
    padding: 60px 0;
    max-width: 800px;
    margin: 0 auto;
}

.faq-category {
    margin-bottom: 48px;
}

.faq-category-title {
    font-size: 22px;
    margin-bottom: 24px;
    padding-left: 16px;
    border-left: 4px solid var(--color-primary);
    letter-spacing: 1px;
}

/* ========== 联系页 ========== */
.contact-section {
    padding: 60px 0;
}

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

.contact-info-card {
    background: var(--color-white);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    padding: 32px;
}

.contact-info-card h3 {
    font-size: 20px;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--color-primary);
    letter-spacing: 1px;
}

.info-item {
    display: flex;
    gap: 16px;
    margin-bottom: 20px;
    align-items: flex-start;
}

.info-icon {
    width: 40px;
    height: 40px;
    background: var(--color-primary-bg);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    flex-shrink: 0;
}

.info-content label {
    display: block;
    font-size: 13px;
    color: var(--color-text-muted);
    margin-bottom: 2px;
}

.info-content p {
    font-size: 15px;
    color: var(--color-text);
}

/* 表单 */
.contact-form {
    background: var(--color-white);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    padding: 32px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--color-text);
}

.form-group label .required {
    color: var(--color-error);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 14px;
    font-family: var(--font-body);
    color: var(--color-text);
    transition: border-color var(--transition-fast);
    background: var(--color-bg);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(18, 61, 53, 0.1);
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-submit {
    width: 100%;
}

/* ========== About 页面 ========== */
.about-hero {
    background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
    padding: 140px 0 80px;
    text-align: center;
    color: var(--color-white);
}

.about-hero h1 {
    font-size: 36px;
    color: var(--color-white);
    letter-spacing: 4px;
    margin-bottom: 16px;
}

.about-hero p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.7);
    letter-spacing: 2px;
    max-width: 600px;
    margin: 0 auto;
}

.about-section {
    padding: 80px 0;
}

.about-section.alt {
    background: var(--color-bg-alt);
}

.about-content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.about-text h2 {
    font-size: 28px;
    margin-bottom: 20px;
    letter-spacing: 2px;
}

.about-text p {
    font-size: 15px;
    line-height: 1.9;
    color: var(--color-text-light);
    margin-bottom: 16px;
}

.about-image {
    width: 100%;
    height: 360px;
    background: var(--color-bg-alt);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    border: 1px solid var(--color-border-light);
}

/* 时间线 */
.timeline {
    max-width: 600px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--color-primary-light);
}

.timeline-item {
    padding-left: 56px;
    padding-bottom: 32px;
    position: relative;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 14px;
    top: 6px;
    width: 14px;
    height: 14px;
    background: var(--color-primary);
    border-radius: 50%;
    border: 3px solid var(--color-primary-bg);
}

.timeline-year {
    font-family: var(--font-en);
    font-size: 14px;
    color: var(--color-primary);
    letter-spacing: 1px;
    font-weight: 600;
}

.timeline-item h4 {
    font-size: 18px;
    margin: 4px 0 8px;
    letter-spacing: 1px;
}

.timeline-item p {
    font-size: 14px;
    color: var(--color-text-light);
    line-height: 1.7;
}


/* ========== 滚动动画工具类 ========== */
/* ========== 动画 ========== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-in-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: all 0.6s ease;
}

.fade-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.fade-in-right {
    opacity: 0;
    transform: translateX(30px);
    transition: all 0.6s ease;
}

.fade-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* ============================================
   页面级组件补充（归档筛选 / 表单提示 / 文章附加区块 / 导航增强）
   与 DEMO 既有样式共用同一套变量，视觉保持一致
   ============================================ */

/* ---------- 归档页分类 / 系列筛选 ---------- */
.archive-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-bottom: 40px;
}

.filter-btn {
    padding: 8px 20px;
    font-family: var(--font-body);
    font-size: 14px;
    letter-spacing: 1px;
    color: var(--color-text-light);
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 50px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-btn:hover {
    color: var(--color-primary);
    border-color: var(--color-primary);
    background: var(--color-primary-bg);
}

.filter-btn.active {
    color: var(--color-white);
    background: var(--color-primary);
    border-color: var(--color-primary);
}

/* ---------- 产品归档栅格（卡片外层包一层，便于筛选） ---------- */
.products-grid-archive {
    align-items: stretch;
}

.product-grid-item {
    display: flex;
}

.product-grid-item .product-card {
    width: 100%;
}

.products-grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

/* ---------- 搜索结果页头部表单 ---------- */
.page-header .header-search {
    max-width: 520px;
    margin: 24px auto 0;
}

.search-form {
    display: flex;
    gap: 10px;
}

.search-form .search-field {
    flex: 1;
    padding: 12px 18px;
    font-family: var(--font-body);
    font-size: 14px;
    color: var(--color-text);
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast);
}

.search-form .search-field:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(18, 61, 53, 0.1);
}

.page-header .search-form .search-field {
    background: rgba(255, 255, 255, 0.95);
}

/* ---------- 表单提示 ---------- */
.form-notice {
    padding: 14px 20px;
    margin-bottom: 28px;
    border-radius: var(--radius-md);
    font-size: 14px;
    border-left: 4px solid transparent;
}

.form-notice.success {
    color: #237804;
    background: #F6FFED;
    border-left-color: var(--color-success);
}

.form-notice.error {
    color: #A8071A;
    background: #FFF1F0;
    border-left-color: var(--color-error);
}

.form-privacy,
.form-hint {
    margin-top: 12px;
    font-size: 12px;
    color: var(--color-text-muted);
    line-height: 1.7;
}

/* ---------- 文章附加区块 ---------- */
.article-cover {
    margin: 0 0 32px;
}

.article-cover img {
    width: 100%;
    border-radius: var(--radius-lg);
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 32px 0 0;
    padding-top: 24px;
    border-top: 1px solid var(--color-border-light);
}

a.tag,
.article-tags .tag {
    text-decoration: none;
    transition: all var(--transition-fast);
}

a.tag:hover,
.article-tags .tag:hover {
    color: var(--color-white);
    background: var(--color-primary);
}

.article-cta {
    margin-top: 48px;
}

.article-cta-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
    padding: 28px 32px;
    background: var(--color-primary-bg);
    border: 1px solid var(--color-primary-light);
    border-radius: var(--radius-lg);
}

.article-cta-inner h3 {
    font-size: 18px;
    margin-bottom: 6px;
    letter-spacing: 1px;
}

.article-cta-inner p {
    font-size: 14px;
    color: var(--color-text-light);
}

.article-related-products,
.related-products {
    margin-top: 48px;
}

.article-related-products h2,
.related-products h2 {
    font-size: 22px;
    margin-bottom: 24px;
    letter-spacing: 2px;
}

/* ---------- 二维码说明文字 ---------- */
.qr-caption {
    margin-top: 10px;
    font-size: 13px;
    color: var(--color-text-muted);
}

.mobile-menu-qr {
    padding: 20px;
    border-top: 1px solid var(--color-border-light);
}

/* ---------- 联系页补充 ---------- */
.contact-intro {
    margin-bottom: 40px;
}

.contact-qr {
    margin-top: 28px;
    padding-top: 24px;
    border-top: 1px solid var(--color-border-light);
}

.contact-qr h4 {
    font-size: 15px;
    margin-bottom: 12px;
    letter-spacing: 1px;
}

.not-found-links {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
    margin-top: 24px;
}

.faq-more {
    margin-top: 48px;
    padding: 32px;
    text-align: center;
    background: var(--color-bg-alt);
    border-radius: var(--radius-lg);
}

.faq-more h3 {
    font-size: 20px;
    margin-bottom: 10px;
    letter-spacing: 1px;
}

.faq-more p {
    font-size: 14px;
    color: var(--color-text-light);
    margin-bottom: 16px;
}

/* ---------- 匹克合作 logo ----------
   已移除早期「.peak-image img 加边框 + 圆角」的规则：
   它在文件靠后位置，会把边框重新加到透明底 logo 上，看起来像套了个方框。
   现在统一由顶部「匹克（PEAK）合作视觉」一节的 img.peak-logo 负责。 */

/* ---------- 移动端二级菜单 ---------- */
.mobile-submenu {
    display: none;
    background: var(--color-bg-alt);
}

.mobile-submenu.open {
    display: block;
}

.mobile-submenu .mobile-nav-item {
    padding-left: 36px;
    font-size: 15px;
    background: transparent;
}

.mobile-nav-item.has-children {
    position: relative;
}

.mobile-nav-item.has-children::after {
    content: '+';
    position: absolute;
    right: 20px;
    top: 14px;
    font-size: 18px;
    color: var(--color-primary);
    transition: transform var(--transition-base);
}

.mobile-nav-item.has-children.expanded::after {
    transform: rotate(45deg);
}

/* ---------- 页头滚动状态（nav.js 添加） ---------- */
.site-header.is-scrolled .header-main {
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
}

/* ---------- 小工具区 ---------- */

/* 注意：.sidebar-widget 是「白底卡片」（见上方第 1493 行），只适用于
   文章/产品侧边栏这种浅色背景。若把它放进深色页脚，就会出现
   「白底 + 继承页脚的浅色文字」→ 内容看不见的问题。
   因此页脚小工具一律用下面的 .footer-widget-col 规则重置为透明卡片。 */

.widget-title {
    font-size: 16px;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--color-primary);
    letter-spacing: 1px;
}

.footer-widgets {
    padding: 48px 0 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-widgets-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

/* 页脚小工具：深色背景下的可读性
   注意特化度：.sidebar-widget（单类，位于本文件更早处）会给小工具加白底，
   所以这里必须用「两个类」的选择器才能稳定覆盖，避免出现白底浅字。 */
.footer-widget-col {
    color: rgba(255, 255, 255, 0.72);
}

.footer-widget-col .widget,
.footer-widget-col .sidebar-widget,
.footer-widget-col .wp-block-group {
    background: transparent;
    border: 0;
    box-shadow: none;
    border-radius: 0;
    padding: 0;
    margin: 0 0 24px;
    color: inherit;
}

/* 小工具标题：既覆盖主题的 .widget-title，也覆盖块小工具自动生成的
   <h2 class="wp-block-heading">（WordPress 5.8+ 会默认塞进页脚） */
.footer-widget-col .widget-title,
.footer-widget-col .wp-block-heading,
.footer-widget-col h2,
.footer-widget-col h3,
.footer-widget-col h4 {
    color: var(--color-white);
    font-size: 16px;
    margin: 0 0 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--color-accent);
    letter-spacing: 1px;
    line-height: 1.4;
}

.footer-widget-col .sidebar-widget h3 {
    color: var(--color-white);
    border-bottom-color: var(--color-accent);
}

.footer-widget-col p,
.footer-widget-col li,
.footer-widget-col span,
.footer-widget-col a {
    color: rgba(255, 255, 255, 0.72);
}

.footer-widget-col a:hover {
    color: var(--color-accent);
}

.footer-widget-col ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

.footer-widget-col li {
    margin-bottom: 10px;
    font-size: 14px;
    line-height: 1.7;
}

.footer-widget-col li:last-child {
    margin-bottom: 0;
}

/* ---------- 评论 ---------- */
.comments-area {
    max-width: 820px;
    margin: 64px auto 0;
    padding-top: 40px;
    border-top: 1px solid var(--color-border-light);
}

.comments-title {
    font-size: 20px;
    margin-bottom: 24px;
}

.comment-list {
    margin-bottom: 32px;
}

.comment-list .comment {
    padding: 20px 0;
    border-bottom: 1px solid var(--color-border-light);
}

.comment-form textarea,
.comment-form input[type="text"],
.comment-form input[type="email"],
.comment-form input[type="url"] {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 14px;
    background: var(--color-bg);
}

/* ---------- 产品视频入口 ---------- */
.product-video-link {
    margin-top: 12px;
    font-size: 14px;
}

.product-video-link a {
    color: var(--color-primary);
}

/* ---------- 响应式补充 ---------- */
@media (max-width: 1024px) {
    .products-grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .filter-btn {
        padding: 7px 16px;
        font-size: 13px;
    }

    .article-cta-inner {
        padding: 22px 20px;
    }

    .footer-widgets-grid,
    .products-grid-3 {
        grid-template-columns: 1fr;
    }

    .search-form {
        flex-direction: column;
    }
}

/* Forest green / warm gold finish: consistent bands and accessible interactions. */
.site-header .header-main { background: rgba(248,248,241,.97); }

.section-tag { color: var(--color-accent-dark); }
:where(a,button,input,textarea,select,summary):focus-visible { outline: 3px solid var(--color-accent-dark); outline-offset: 4px; }
[hidden] { display: none !important; }
.mobile-menu { z-index: 1101; }
.mobile-menu-overlay { z-index: 1100; }
.mobile-menu.open { display: block; }
.mobile-nav-row { display: flex; align-items: stretch; border-bottom: 1px solid var(--color-border-light); }
.mobile-nav-row > .mobile-nav-item { flex: 1; border: 0; }
.mobile-submenu-toggle { width: 52px; flex-shrink: 0; border: 0; background: var(--color-primary-bg); color: var(--color-primary); font-size: 22px; cursor: pointer; }
.mobile-submenu-toggle[aria-expanded="true"] { transform: rotate(180deg); }
.dujian-honeypot { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
@media (max-width: 768px) { .form-group input,.form-group select,.form-group textarea { font-size: 16px; } .hero-banner { min-height: 90svh; } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *,*::before,*::after { animation-duration: .01ms !important; transition-duration: .01ms !important; } }

.nav-item:focus-within > .nav-dropdown, .nav-item:focus-within > .sub-menu { opacity: 1; visibility: visible; transform: translateY(0); }

@media (min-width: 769px) { .hero-banner { padding-top: 146px; } }

/* Editorial reading experience and durable topic navigation. */
.content-topics { margin-bottom: 3rem; }
.content-topics-heading { display:flex; justify-content:space-between; align-items:end; gap:1rem; margin-bottom:1.5rem; }
.content-topics-heading h2,.content-list-heading { font-size:clamp(1.5rem,3vw,2rem); color:var(--color-primary); margin:0 0 1rem; }
.content-eyebrow { color:#725824; font-size:.85rem; letter-spacing:.12em; margin-bottom:.5rem; }
.topic-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(min(100%,200px),1fr)); gap:1rem; }
.topic-card { display:flex; flex-direction:column; gap:.65rem; padding:1.5rem; border:1px solid #d9d7c9; border-top:3px solid var(--color-accent); border-radius:8px; color:var(--color-primary); background:#fffdf8; }
.topic-card:hover { border-color:var(--color-primary); background:#f2f5ef; }
.topic-card h3 { display:flex; justify-content:space-between; font-size:1.15rem; margin:0; }
.topic-card p { font-size:.9rem; color:#53615b; margin:0; line-height:1.8; }
.topic-count { font-size:.8rem; color:#53615b; margin-top:auto; }
.article-summary { margin:1.5rem 0; padding:1rem 1.4rem; border-left:3px solid var(--color-accent); background:#f5f3ea; color:var(--color-primary); line-height:1.9; }
.article-summary p { margin:0; }
.article-toc { margin:2rem 0; padding:1.4rem 1.6rem; background:#f1f5f1; border:1px solid #d8e1d8; border-radius:8px; }
.article-toc h2 { font-size:1.1rem; margin:0 0 .8rem; color:var(--color-primary); }
.article-toc ol { display:grid; gap:.5rem; margin:0; padding-left:1.3rem; }
.article-toc a { color:var(--color-primary); text-decoration:underline; text-underline-offset:3px; }
.article-toc .toc-level-3 { margin-left:1rem; }
.article-body :is(h2,h3) { scroll-margin-top:100px; }
.article-body,.article-sources,.article-meta { overflow-wrap:anywhere; }
.article-body :is(img,video,iframe) { max-width:100%; }
.article-body img { height:auto; }
.article-body table { display:block; max-width:100%; overflow-x:auto; }
.article-sources { margin:2.5rem 0 1.5rem; padding-top:1.5rem; border-top:1px solid #d9d7c9; color:#4b5b53; line-height:1.9; }
.article-sources h2 { font-size:1.2rem; color:var(--color-primary); }
.article-sources ol { padding-left:1.3rem; }
.article-sources a,.article-topic-link a { color:var(--color-primary); text-decoration:underline; text-underline-offset:3px; }
.article-topic-link { margin:2rem 0; padding:1rem 0; line-height:1.9; border-block:1px solid #d9d7c9; }
@media(max-width:600px) { .content-topics-heading { align-items:start; flex-direction:column; } .article-toc { padding:1.1rem; } .topic-card { padding:1.2rem; } }