/*
Theme Name: Homcheer B2B Theme
Author: Weir
Version: 1.8
Description: 极简高性能B2B主题，全黑背景。
*/


/* =============================================================
   1. CSS 变量
   ============================================================= */
:root {
    --primary-red: #C8102E;
    --primary-red-dark: #9F0D24;
    --text-gray: rgba(255, 255, 255, 0.7);
    --bg-black: #000000;
    --card-bg: #0A0A0A;
}


/* =============================================================
   2. 基础重置
   ============================================================= */
* { box-sizing: border-box; }
body { margin: 0; background-color: var(--bg-black); color: #fff; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; overflow-x: hidden; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; width: 100%; }
.text-center { text-align: center; }
.gray-dark-bg { background-color: #050505; }


/* =============================================================
   3. 导航栏 Header
   ============================================================= */
.site-header { position: fixed; top: 0; width: 100%; z-index: 1000; background: rgba(0,0,0,0.95); backdrop-filter: blur(10px); border-bottom: 1px solid rgba(255,255,255,0.1); }
.header-inner { display: flex; justify-content: space-between; align-items: center; height: 80px; padding: 0 20px; }
.logo { display: flex; align-items: center; height: 100%; }
.logo a { color: #fff; text-decoration: none; font-size: 24px; font-weight: bold; font-style: italic; letter-spacing: 1px; line-height: 1; }
.main-nav { display: flex; align-items: center; height: 100%; }
.main-nav ul { display: flex; list-style: none; padding: 0; margin: 0; align-items: center; }
.main-nav li { margin-left: 30px; display: flex; align-items: center; }
.main-nav a { color: #fff; text-decoration: none; font-size: 15px; transition: 0.3s; line-height: 1; }
.main-nav a:hover, .current-menu-item a { color: var(--primary-red) !important; }

.main-navigation ul { list-style: none; margin: 0; padding: 0; display: flex; align-items: center; }
.main-navigation li { position: relative; margin: 0 15px; }
.main-navigation a { color: #fff; text-decoration: none; font-weight: 600; padding: 20px 0; display: block; transition: 0.3s; }
.main-navigation ul ul.sub-menu { position: absolute; top: 100%; left: 0; background: #111; min-width: 160px; display: block; opacity: 0; visibility: hidden; transform: translateY(10px); transition: all 0.3s ease; border: 1px solid #222; padding: 0; z-index: 999; }
.main-navigation li:hover > ul.sub-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.main-navigation ul ul.sub-menu li { width: 100%; margin: 0; padding: 0; }
.main-navigation ul ul.sub-menu a { display: block; width: 100%; padding: 12px 20px; font-size: 14px; font-weight: 400; color: #aaa; text-decoration: none; transition: all 0.2s ease; background: transparent !important; border: none; }
.main-navigation ul ul.sub-menu a:hover { background: rgba(200,16,46,0.1); color: var(--primary-red) !important; }
.main-navigation .menu-item-has-children > a::after { content: '\f107'; font-family: 'Font Awesome 5 Free'; font-weight: 900; margin-left: 8px; font-size: 12px; }


/* =============================================================
   4. 面包屑
   ============================================================= */
.breadcrumbs-container, .breadcrumb-links { font-size: 13px; letter-spacing: 2px; color: rgba(255,255,255,0.5); margin-top: 15px; text-transform: uppercase; }
.breadcrumb-links .sep { margin: 0 8px; color: #666; display: inline-block; }
.bc-item { color: #aaa; text-decoration: none !important; transition: 0.3s ease; display: inline-block; }
.bc-item:hover { color: var(--primary-red) !important; }
.bc-item.current { color: #fff; font-weight: 700; pointer-events: none; }

.breadcrumb { font-size: 14px; text-transform: uppercase; letter-spacing: 1px; color: rgba(255,255,255,0.5); margin-bottom: 40px; }
.breadcrumb a { color: rgba(255,255,255,0.7); text-decoration: none; transition: 0.3s; }
.breadcrumb a:hover { color: var(--primary-red); }
.breadcrumb .bc-current { color: #fff; font-weight: 600; }


/* =============================================================
   5. 通用排版与版块
   ============================================================= */
.sec-padding { padding: 100px 0; border-bottom: 1px solid #111; background-color: var(--bg-black); }
.sec-title { font-size: 36px; margin-bottom: 25px; font-weight: 700; color: #fff; }
.section-title { font-size: 20px; border-left: 4px solid var(--primary-red); padding-left: 15px; margin-bottom: 30px; text-transform: uppercase; }
.section-subtitle { color: var(--text-gray); font-size: 16px; max-width: 700px; margin: -10px auto 50px; line-height: 1.6; }
.desc-text { color: var(--text-gray); font-size: 16px; line-height: 1.8; margin-bottom: 30px; }
.lead-text { font-size: 20px; color: rgba(255,255,255,0.7); max-width: 700px; margin: 20px auto 0; }


/* =============================================================
   6. 按钮
   ============================================================= */
.btn { display: inline-block; padding: 14px 35px; border-radius: 4px; text-decoration: none; font-weight: 600; font-size: 14px; transition: all 0.3s ease; }
.btn-red { background-color: var(--primary-red); color: #fff; border: 1px solid var(--primary-red); }
.btn-red:hover { background-color: var(--primary-red-dark); border-color: var(--primary-red-dark); }
.btn-outline { border: 1px solid #fff; color: #fff; background: transparent; }
.btn-outline:hover { background-color: #fff; color: #000; }
.btn-icon { display: inline-flex; align-items: center; gap: 12px; padding: 16px 40px; font-size: 15px; letter-spacing: 0.5px; }
.btn-full { width: 100%; justify-content: center; padding: 18px; font-size: 16px; }
.btn-inquiry { display: inline-block; background: var(--primary-red); color: #fff !important; padding: 15px 40px; border-radius: 6px; font-weight: 700; text-decoration: none !important; transition: 0.3s; }
.btn-inquiry:hover { transform: translateY(-3px); box-shadow: 0 10px 20px rgba(200,16,46,0.2); }
.btn-view-more { display: block; background: var(--primary-red); color: #fff !important; text-align: center; padding: 10px; border-radius: 6px; margin-top: 15px; text-decoration: none; }


/* =============================================================
   7. 布局工具
   ============================================================= */
.flex-row { display: flex; align-items: center; gap: 60px; }
.flex-half { flex: 1; }
.flex-row-reverse { display: flex; align-items: center; gap: 70px; flex-direction: row-reverse; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.hero-btns { display: flex; justify-content: center; gap: 20px; }


/* =============================================================
   8. 卡片
   ============================================================= */
.occ-card { background: var(--card-bg); border: 1px solid #1a1a1a; border-radius: 8px; overflow: hidden; transition: 0.3s; }
.occ-card:hover { transform: translateY(-5px); border-color: #333; }
.occ-card img { width: 100%; height: 280px; object-fit: cover; }
.card-body { padding: 30px; text-align: left; }
.card-body h3 { margin-top: 0; font-size: 20px; }
.card-body p { color: var(--text-gray); font-size: 14px; margin-bottom: 0; }

.s-card { border: 1px solid #1a1a1a; padding: 40px; transition: 0.3s; background: transparent; text-align: left; }
.s-card span { font-size: 32px; margin-bottom: 20px; display: block; }
.s-card h4 { font-size: 18px; margin: 0 0 10px; color: #fff; }
.s-card p { color: var(--text-gray); font-size: 14px; margin-bottom: 0; }
.s-card:hover { border-color: var(--primary-red); background: rgba(200,16,46,0.05); }


/* =============================================================
   9. 视频
   ============================================================= */
.lazy-video-wrapper { position: relative; width: 100%; padding-bottom: 56.25%; height: 0; overflow: hidden; border-radius: 10px; box-shadow: 0 20px 50px rgba(0,0,0,0.6); background-color: #111; cursor: pointer; }
.video-placeholder-img { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; transition: opacity 0.5s ease, transform 0.5s ease; z-index: 1; }
.lazy-video-wrapper:hover .video-placeholder-img { transform: scale(1.05); }
.custom-play-button { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 80px; height: 80px; background-color: rgba(0,0,0,0.6); border: 3px solid #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; z-index: 2; transition: all 0.3s ease; box-shadow: 0 0 30px rgba(0,0,0,0.3); }
.custom-play-button .play-icon { width: 0; height: 0; border-style: solid; border-width: 15px 0 15px 25px; border-color: transparent transparent transparent #fff; margin-left: 5px; }
.lazy-video-wrapper:hover .custom-play-button { background-color: var(--primary-red); border-color: var(--primary-red); transform: translate(-50%, -50%) scale(1.1); }
.video-iframe-target iframe { position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: 0; z-index: 3; }
.lazy-video-wrapper.video-active .video-placeholder-img,
.lazy-video-wrapper.video-active .custom-play-button { opacity: 0; visibility: hidden; pointer-events: none; }


/* =============================================================
   10. FAQ
   ============================================================= */
.faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 40px; align-items: flex-start; }
.faq-item { border-bottom: 1px solid #222; margin-bottom: 0; }
.faq-question { padding: 25px 0; cursor: pointer; display: flex; justify-content: space-between; align-items: center; font-size: 17px; font-weight: 600; color: #fff; transition: 0.3s; }
.faq-question:hover { color: var(--primary-red); }
.faq-question i { font-size: 14px; transition: transform 0.4s ease; }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.5s cubic-bezier(0,1,0,1); }
.faq-item.active .faq-answer { max-height: 500px; transition: max-height 0.5s ease-in-out; }
.faq-item.active .faq-question i { transform: rotate(45deg); color: var(--primary-red); }
.answer-content { padding-bottom: 25px; color: rgba(255,255,255,0.6); line-height: 1.8; }


/* =============================================================
   11. CTA 区域
   ============================================================= */
.cta-sec { padding: 120px 0; background-size: cover; background-position: center; background-attachment: fixed; text-align: center; }
.cta-mini { padding: 80px 0; background: var(--bg-black); border-top: 1px solid #1a1a1a; }
.cta-mini h3 { font-size: 28px; margin-bottom: 30px; }


/* =============================================================
   12. 页脚 Footer
   ============================================================= */
.site-footer { background-color: #000; padding: 80px 0 30px; border-top: 1px solid #1a1a1a; color: #fff; }
.footer-top { display: grid; grid-template-columns: 1fr 0.8fr 0.8fr 1.2fr; gap: 40px; align-items: flex-start; margin-bottom: 60px; }
.footer-logo { font-size: 24px; font-weight: bold; font-style: italic; color: #fff; line-height: 1; margin-top: 0; margin-bottom: 25px; display: block; }
.footer-desc { margin-top: 15px; color: rgba(255,255,255,0.7); line-height: 1.6; font-size: 15px; }
.footer-col h4 { font-size: 16px; font-weight: 700; color: #fff; line-height: 1; margin-top: 8px; margin-bottom: 30px; letter-spacing: 1px; text-transform: uppercase; }
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: 12px; }
.footer-links a { color: rgba(255,255,255,0.7); text-decoration: none; transition: 0.3s; }
.footer-links a:hover { color: var(--primary-red); }
.contact-info { display: flex; flex-direction: column; gap: 20px; }
.contact-item { display: flex; align-items: center; gap: 15px; color: rgba(255,255,255,0.8); font-size: 15px; }
.contact-item i { color: var(--primary-red); font-size: 18px; width: 20px; text-align: center; }
.footer-bottom { border-top: 1px solid #1a1a1a; padding-top: 30px; display: flex; justify-content: space-between; align-items: center; }
.footer-copy { color: rgba(255,255,255,0.5); font-size: 14px; }
.footer-socials { display: flex; gap: 25px; align-items: center; }
.footer-socials a { color: rgba(255,255,255,0.5); font-size: 18px; transition: all 0.3s ease; text-decoration: none; display: inline-block; }
.footer-socials a:hover { color: var(--primary-red); transform: translateY(-3px); }
.email-link { color: rgba(255,255,255,0.8); text-decoration: none; transition: 0.3s ease; font-weight: 500; }
.email-link:hover { color: var(--primary-red) !important; text-decoration: underline; }


/* =============================================================
   13. 图片容器 & 通用图文组件
   ============================================================= */
.about-image-box { position: relative; border: 1px solid #333; padding: 15px; background: #050505; }
.about-image-box img { width: 100%; display: block; filter: grayscale(30%); transition: 0.5s; }
.about-image-box:hover img { filter: grayscale(0%); }

.about-hero { height: 60vh; display: flex; align-items: center; justify-content: center; text-align: center; border-bottom: 1px solid #1a1a1a; background-size: cover; background-position: center; }
.about-hero h1 { font-size: 64px; font-weight: 800; text-transform: uppercase; letter-spacing: -1px; margin-bottom: 20px; }
.about-hero .italic-logo { font-style: italic; color: var(--primary-red); }


/* =============================================================
   14. 分页
   ============================================================= */
.product-pagination ul { display: flex; list-style: none; gap: 8px; justify-content: center; margin-top: 50px; }
.product-pagination li a, .product-pagination li span { width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; background: #1a1a1a; color: #888; border-radius: 4px; text-decoration: none; }
.product-pagination li span.current { background: var(--primary-red) !important; color: #fff !important; }


/* =============================================================
   15. 首页 Hero
   ============================================================= */
.hero-sec { height: 100vh; display: flex; align-items: center; justify-content: center; background-size: cover; background-position: center; text-align: center; background-color: var(--bg-black); padding-top: 100px; padding-bottom: 0; }
.hero-container { width: 100%; padding: 0 40px; display: flex; align-items: center; justify-content: center; }
.hero-wrapper { max-width: 1100px; margin: 0 auto; margin-top: -50px; }
.hero-sec h1 { font-size: 56px; margin-bottom: 25px; line-height: 1.2; font-weight: 700; }
.hero-sec p { color: var(--text-gray); font-size: 18px; margin-bottom: 40px; max-width: 700px; margin-left: auto; margin-right: auto; }


/* =============================================================
   16. About 页
   ============================================================= */
.team-grid { margin-top: 50px; row-gap: 50px; }
.team-card { text-align: center; transition: 0.3s ease; }
.team-img { width: 130px; height: 130px; margin: 0 auto 20px; border-radius: 50%; overflow: hidden; border: 2px solid #222; box-shadow: 0 10px 30px rgba(0,0,0,0.3); }
.team-img img { width: 100%; height: 100%; object-fit: cover; transition: 0.5s ease, transform 0.5s ease; }
.team-card:hover .team-img img { transform: scale(1.1); }
.team-card h4 { font-size: 18px; margin-bottom: 5px; color: #fff; }
.team-card span { color: var(--primary-red); font-size: 14px; font-weight: 600; text-transform: uppercase; }


/* =============================================================
   17. Customization 页
   ============================================================= */
.spec-table-wrapper { margin-top: 40px; overflow-x: auto; border: 1px solid #222; border-radius: 8px; }
.spec-table { width: 100%; border-collapse: collapse; background: var(--card-bg); color: #fff; font-size: 15px; text-align: left; }
.spec-table th { background: #111; color: var(--primary-red); padding: 20px; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; border-bottom: 2px solid var(--primary-red); }
.spec-table td { padding: 20px; border-bottom: 1px solid #222; line-height: 1.6; vertical-align: top; transition: background 0.3s; }
.spec-table tr:last-child td { border-bottom: none; }
.spec-table td strong { color: var(--primary-red); font-weight: 600; }
.spec-table tr:hover td { background: rgba(255,255,255,0.02); }


/* =============================================================
   18. Quality 页
   ============================================================= */
.cert-row-refined { display: flex; justify-content: center; gap: 25px; margin-top: 40px; flex-wrap: wrap; }
.cert-col-mini { flex: 0 1 220px; text-align: center; }
.cert-img-box { background: #fff; border: 1px solid #222; padding: 8px; transition: all 0.3s ease; height: 280px; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.cert-img-box img { max-width: 100%; max-height: 100%; width: auto; height: auto; object-fit: contain; filter: brightness(0.95); }
.cert-col-mini span { display: block; margin-top: 15px; color: #fff; font-size: 14px; font-weight: 600; text-transform: uppercase; letter-spacing: 1px; }
.cert-col-mini:hover .cert-img-box { border-color: var(--primary-red); transform: translateY(-5px); box-shadow: 0 10px 25px rgba(0,0,0,0.4); }
.cert-col-mini:hover .cert-img-box img { filter: brightness(1); }

.quality-features { list-style: none; padding: 0; margin: 30px 0 0; }
.quality-features li { display: flex; align-items: flex-start; gap: 15px; margin-bottom: 20px; color: var(--text-gray); line-height: 1.6; font-size: 16px; }
.quality-features li i { color: var(--primary-red); font-size: 18px; margin-top: 3px; }
.quality-features li span { flex: 1; }

.test-standards-wrapper { margin-top: 60px; }
.test-item { margin-bottom: 100px; align-items: center; gap: 60px; }
.test-item:last-child { margin-bottom: 0; }
.test-image-box { border: 1px solid #1a1a1a; padding: 15px; background: #050505; transition: all 0.5s ease; }
.test-image-box img { width: 100%; height: 400px; object-fit: cover; filter: grayscale(100%); transition: filter 0.5s ease; }
.test-item:hover .test-image-box { border-color: var(--primary-red); background: rgba(200,16,46,0.05); }
.test-item:hover .test-image-box img { filter: grayscale(0%); }
.test-content { text-align: left; }
.test-num { font-size: 28px; font-weight: 800; color: var(--primary-red); font-style: italic; line-height: 1; border-bottom: 2px solid var(--primary-red); padding-bottom: 5px; display: inline-block; margin-bottom: 15px; }
.test-content h3 { font-size: 24px; color: #fff; margin-bottom: 15px; }
.test-content p { color: var(--text-gray); font-size: 16px; line-height: 1.7; margin: 0; }


/* =============================================================
   19. Contact 页
   ============================================================= */
.contact-form-card { flex: 0 0 60%; background: #111; padding: 40px; border-radius: 8px; }
.contact-info-column { flex: 0 0 35%; display: flex; flex-direction: column; gap: 30px; }
.contact-form-card h2 { color: #fff; margin-bottom: 30px; font-size: 28px; }
.form-group { margin-bottom: 25px; }
.form-group label { display: block; color: #fff; margin-bottom: 10px; font-weight: 600; font-size: 14px; }
.form-group input, .form-group textarea { width: 100%; background: #1a1a1a; border: 1px solid #333; padding: 15px; color: #fff; border-radius: 4px; transition: 0.3s; }
.form-group input:focus, .form-group textarea:focus { border-color: var(--primary-red); outline: none; background: #222; }
.info-card { background: #111; padding: 30px; border-radius: 8px; }
.info-card h3 { color: #fff; margin-bottom: 25px; font-size: 22px; }
.info-item { display: flex; gap: 20px; margin-bottom: 25px; align-items: flex-start; }
.info-icon { background: rgba(200,16,46,0.1); color: var(--primary-red); width: 45px; height: 45px; display: flex; align-items: center; justify-content: center; border-radius: 4px; font-size: 18px; }
.info-item strong { display: block; color: #fff; font-size: 13px; letter-spacing: 1px; margin-bottom: 5px; }
.info-item p { color: var(--text-gray); margin: 0; font-size: 15px; }
.check-list { list-style: none; padding: 0; }
.check-list li { color: var(--text-gray); margin-bottom: 15px; padding-left: 25px; position: relative; }
.check-list li::before { content: '•'; color: var(--primary-red); position: absolute; left: 0; font-size: 20px; line-height: 1; }


/* =============================================================
   20. 产品列表页 (archive-product)
   ============================================================= */
.product-layout-wrapper { display: flex; gap: 40px; padding: 60px 15px 100px; align-items: flex-start; }
.product-sidebar { flex: 0 0 300px; background: #111; padding: 25px; border-radius: 12px; border: 1px solid #222; }
.product-main-content { flex: 1; min-width: 0; }

.product-search-wrapper { position: relative; margin-bottom: 25px; }
.product-search-wrapper .search-icon { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: #666; font-size: 14px; z-index: 10; pointer-events: none; }
.product-search-wrapper input { width: 100%; background: #1a1a1a; border: 1px solid #333; padding: 10px 15px 10px 35px; color: #fff; border-radius: 6px; outline: none; }

.category-nav a { text-decoration: none !important; transition: color 0.2s; }
.all-products-btn a { padding: 12px 15px; border-radius: 6px; margin-bottom: 2px; display: flex; justify-content: space-between; align-items: center; color: #fff !important; font-size: 15px; font-weight: 600; }
.all-products-btn a.active { background: rgba(200,16,46,0.15) !important; color: var(--primary-red) !important; }
 
/* 一级分类行：整行可点击 */
.cat-parent-row {
    padding: 12px 15px;
    border-radius: 6px;
    margin-bottom: 2px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    user-select: none;
    transition: background 0.2s;
}
.cat-parent-row:hover { background: rgba(255,255,255,0.04); }
.cat-parent-row a { color: #fff !important; font-size: 15px; font-weight: 600; pointer-events: none; }
.cat-parent-row.active { background: rgba(200,16,46,0.15) !important; color: var(--primary-red) !important; }
.cat-parent-row.active a { color: var(--primary-red) !important; }
 
.cat-parent-row .arrow-icon { font-size: 13px; color: #666; transition: transform 0.25s ease, color 0.2s; pointer-events: none; flex-shrink: 0; }
.cat-item-group.is-open .cat-parent-row .arrow-icon { transform: rotate(180deg); color: var(--primary-red); }
 
.sub-menu { list-style: none; padding: 4px 0 12px 15px; display: none; margin: 0; }
.is-open .sub-menu { display: block; }
.sub-menu li { margin-bottom: 10px; }
.sub-menu li a { font-size: 14px; color: rgba(255,255,255,0.45) !important; padding: 5px 15px; display: block; border-radius: 4px; transition: color 0.2s, background 0.2s; }
.sub-menu li a.active { color: var(--primary-red) !important; font-weight: 700; }
.sub-menu li a:not(.active):hover { color: #fff !important; background: #181c22 !important; }
 
.results-bar { margin-bottom: 40px; font-size: 14px; color: #aaa; font-weight: 500; }
.product-grid-four { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.product-item-card { background: #111; border: 1px solid #222; border-radius: 8px; overflow: hidden; }
.p-card-thumb { overflow: hidden; aspect-ratio: 1/1; }
.p-card-thumb img { width: 100%; height: 100%; object-fit: cover; transition: 0.5s; }
.product-item-card:hover .p-card-thumb img { transform: scale(1.1); }
.p-card-content { padding: 20px; }
.p-card-title a { color: #fff !important; font-size: 15px; font-weight: 700; text-decoration: none; }

.no-products-found { width: 100%; min-height: 450px; display: flex; align-items: center; justify-content: center; border: 1px dashed #333; border-radius: 12px; margin-top: 20px; }
.no-results-inner { text-align: center; max-width: 400px; }
.no-results-icon i { font-size: 64px; color: #444; margin-bottom: 25px; }
.no-results-inner h3 { color: #fff; font-size: 24px; margin-bottom: 15px; }
.no-results-inner p { color: #888; font-size: 15px; line-height: 1.6; margin-bottom: 25px; }
.clear-all-link { color: var(--primary-red) !important; text-decoration: none !important; font-weight: 700; text-transform: uppercase; border-bottom: 2px solid var(--primary-red); padding-bottom: 2px; }


/* =============================================================
   21. 产品详情页 (single-product)
   ============================================================= */
.single-product-page { padding: 40px 0 100px; color: #fff; }
.product-breadcrumb { margin-top: 50px; margin-bottom: 20px; }
.product-detail-wrapper { display: flex; gap: 60px; align-items: flex-start; }

.product-gallery-column { flex: 0 0 500px; }
.main-image-viewport { background: #111; border: 1px solid #222; border-radius: 8px; overflow: hidden; margin-bottom: 15px; }
.main-image-viewport img { width: 100%; display: block; object-fit: contain; aspect-ratio: 1/1; }
.gallery-thumbs { display: flex; gap: 10px; flex-wrap: wrap; }
.thumb-item { width: 80px; height: 80px; border: 1px solid #333; cursor: pointer; border-radius: 4px; overflow: hidden; transition: 0.3s; }
.thumb-item:hover { border-color: var(--primary-red); }
.thumb-item img { width: 100%; height: 100%; object-fit: cover; }

.product-info-column { flex: 1; }
.product-title { font-size: 32px; font-weight: 700; margin-bottom: 20px; color: #fff; }
.short-desc { color: #888; line-height: 1.6; margin-bottom: 30px; font-size: 15px; }
.specs-table-wrapper { margin-bottom: 40px; }
.specs-title { font-size: 18px; letter-spacing: 1px; margin-bottom: 15px; border-left: 3px solid var(--primary-red); padding-left: 15px; }
.specs-table { width: 100%; border-collapse: collapse; background: #161616; border-radius: 8px; overflow: hidden; }
.specs-table td { padding: 12px 20px; border-bottom: 1px solid #222; font-size: 14px; }
.specs-table tr:last-child td { border-bottom: none; }
.specs-table td.label { color: #666; width: 150px; font-weight: 600; text-transform: uppercase; }
.specs-table td.value { color: #ccc; }

.product-full-description-row { margin-top: 50px; padding-top: 40px; border-top: 1px solid #222; clear: both; }
.description-content { color: #888; }

.related-products-section { margin-top: 100px; margin-bottom: 60px; padding-top: 50px; border-top: 1px solid #222; }
.related-products-section .product-grid-four { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 30px; }
.related-products-section .product-item-card { transition: all 0.3s ease; }
.related-products-section .product-item-card:hover { border-color: var(--primary-red); transform: translateY(-5px); }

.modal-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.85); backdrop-filter: blur(5px); display: flex; align-items: center; justify-content: center; z-index: 9999; opacity: 0; visibility: hidden; transition: all 0.3s ease; }
.modal-overlay.is-active { opacity: 1; visibility: visible; }
.modal-content { background: #1a1a1a; width: 100%; max-width: 500px; padding: 40px; border-radius: 12px; position: relative; border: 1px solid #333; transform: translateY(20px); transition: 0.3s ease; }
.modal-overlay.is-active .modal-content { transform: translateY(0); }
.close-modal { position: absolute; right: 20px; top: 15px; font-size: 30px; color: #666; cursor: pointer; transition: 0.3s; }
.close-modal:hover { color: var(--primary-red); }
.modal-header { margin-bottom: 25px; border-bottom: 1px solid #333; padding-bottom: 15px; }
.modal-header h3 { color: #fff; font-size: 22px; margin-bottom: 5px; }
.modal-header p { color: #888; font-size: 14px; }
.modal-header strong { color: var(--primary-red); }
.modal-body input, .modal-body textarea { width: 100%; background: #111; border: 1px solid #333; color: #fff; padding: 12px; margin-bottom: 15px; border-radius: 4px; }
.modal-body input[type="submit"] { background: var(--primary-red); border: none; font-weight: 700; cursor: pointer; transition: 0.3s; }
.modal-body input[type="submit"]:hover { background: var(--primary-red-dark); }
.modal-body p { color: #888; font-size: 14px; }


/* =============================================================
   22. 博客列表页 (index)
   ============================================================= */
.blog-page-wrapper { padding: 80px 0; }
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.blog-card { background: #111; border: 1px solid #222; border-radius: 8px; overflow: hidden; transition: 0.3s ease; }
.blog-card:hover { transform: translateY(-10px); border-color: var(--primary-red); }
.blog-thumb { position: relative; height: 150px; overflow: hidden; }
.blog-thumb img { width: 100%; height: 100%; object-fit: cover; transition: 0.5s; }
.blog-card:hover .blog-thumb img { transform: scale(1.1); }
.blog-date { position: absolute; top: 15px; left: 15px; background: var(--primary-red); color: #fff; padding: 10px; text-align: center; border-radius: 4px; line-height: 1; z-index: 2; }
.blog-date .day { display: block; font-size: 20px; font-weight: 800; }
.blog-date .month { font-size: 12px; text-transform: uppercase; }
.blog-info { padding: 25px; }
.blog-title { margin-bottom: 15px; font-size: 20px; line-height: 1.4; }
.blog-title a { color: #fff !important; text-decoration: none; transition: 0.3s; }
.blog-title a:hover { color: var(--primary-red) !important; }
.blog-excerpt { color: #888; font-size: 14px; line-height: 1.4; margin-bottom: 20px; }
.read-more-link { color: var(--primary-red) !important; font-weight: 700; font-size: 13px; letter-spacing: 1px; text-decoration: none; }


/* =============================================================
   23. 博客详情页 (single)
   ============================================================= */
.single-post-page { padding: 0 0 100px; }
.post-header { margin-bottom: 40px; text-align: center; }
.post-title { font-size: 36px; color: #fff; margin-bottom: 15px; }
.post-meta { color: #666; font-size: 14px; }
.post-meta span { margin: 0 10px; }
.post-featured-image { margin-bottom: 50px; border-radius: 12px; overflow: hidden; }
.post-featured-image img { width: 100%; height: auto; }
.post-navigation { max-width: 850px; margin: 60px auto 0; display: flex; justify-content: space-between; padding-top: 30px; border-top: 1px solid #222; }
.post-navigation a { color: var(--primary-red) !important; font-weight: 700; text-decoration: none; }

.post-hero-section { padding: 150px 0 80px; background-size: cover; background-position: center; background-attachment: fixed; position: relative; color: #fff; }
.post-hero-section .post-title { font-size: 42px; font-weight: 800; line-height: 1.2; margin-bottom: 25px; text-transform: uppercase; letter-spacing: 1px; }
.single-post-breadcrumb { margin-top: 0; margin-bottom: 20px; }
.single-post-breadcrumb .bc-item { color: rgba(255,255,255,0.7) !important; }
.post-date-meta { font-size: 14px; color: rgba(255,255,255,0.5); letter-spacing: 1px; margin-top: 10px; }
.post-date-meta i { margin-right: 8px; color: var(--primary-red); }

.post-content-wrapper { max-width: 850px; margin: -50px auto 100px; background: #111; padding: 60px; border-radius: 12px; border: 1px solid #222; position: relative; z-index: 10; }
.post-entry-content { color: #ccc; font-size: 17px; line-height: 1.8; }
.post-entry-content a { color: var(--primary-red) !important; text-decoration: none !important; transition: 0.3s; font-weight: 600; border-bottom: 1px solid transparent; }
.post-entry-content a:hover { color: #fff !important; border-bottom-color: var(--primary-red); }
.post-content-wrapper img.wp-post-image { display: none !important; }

.post-share-wrapper { margin-top: 50px; padding-top: 30px; border-top: 1px solid #222; display: flex; align-items: center; gap: 20px; }
.share-title { font-size: 13px; font-weight: 700; letter-spacing: 2px; color: #fff; }
.share-links { display: flex; gap: 15px; }
.share-btn { font-size: 12px; font-weight: 600; color: #bbb !important; text-decoration: none !important; border: 1px solid #333; padding: 8px 18px; border-radius: 4px; transition: all 0.3s ease; display: flex; align-items: center; gap: 8px; letter-spacing: 1px; }
.share-btn i { font-size: 14px; }
.share-btn:hover { background: var(--primary-red); border-color: var(--primary-red); color: #fff !important; transform: translateY(-2px); }


/* =============================================================
   24. 移动端 Header — 汉堡菜单 & 抽屉
   ============================================================= */
.hamburger { display: none; flex-direction: column; justify-content: center; gap: 5px; width: 40px; height: 40px; background: none; border: none; cursor: pointer; padding: 4px; }
.hamburger span { display: block; width: 24px; height: 2px; background: #fff; border-radius: 2px; transition: all 0.3s ease; }
 
.mobile-nav-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.6); z-index: 1100; }
.mobile-nav-overlay.is-visible { display: block; }
 
.mobile-nav-drawer { position: fixed; top: 0; right: -280px; width: 280px; height: 100%; background: #111; z-index: 1200; padding: 70px 25px 30px; transition: right 0.3s ease; border-left: 1px solid #222; overflow-y: auto; }
.mobile-nav-drawer.is-open { right: 0; }
.mobile-nav-close { position: absolute; top: 18px; right: 18px; background: none; border: none; color: #fff; font-size: 20px; cursor: pointer; padding: 4px 8px; }
 
.mobile-nav-menu { list-style: none; margin: 0; padding: 0; }
.mobile-nav-menu li { border-bottom: 1px solid #1e1e1e; }
.mobile-nav-menu > li > a { display: block; padding: 14px 0; color: #fff; text-decoration: none; font-size: 15px; font-weight: 600; transition: color 0.2s; }
.mobile-nav-menu > li > a:hover { color: var(--primary-red); }
.mobile-nav-menu .sub-menu { list-style: none; padding: 0 0 8px 12px; display: block; }
.mobile-nav-menu .sub-menu li { border-bottom: none; }
.mobile-nav-menu .sub-menu li a { display: block; padding: 8px 0; font-size: 13px; font-weight: 400; color: #aaa; text-decoration: none; transition: color 0.2s; }
.mobile-nav-menu .sub-menu li a:hover { color: var(--primary-red); }
.mobile-nav-menu .current-menu-item > a { color: var(--primary-red); }
 
 
/* =============================================================
   25. 移动端 Footer — 底部固定导航栏
   ============================================================= */
.mobile-bottom-nav { display: none; position: fixed; bottom: 0; left: 0; right: 0; height: 60px; background: #111; border-top: 1px solid #222; z-index: 1000; flex-direction: row; }
.mobile-bottom-nav__item { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; color: rgba(255,255,255,0.5); text-decoration: none; font-size: 10px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; transition: color 0.2s; }
.mobile-bottom-nav__item i { font-size: 20px; }
.mobile-bottom-nav__item.active, .mobile-bottom-nav__item:hover { color: var(--primary-red); }
 
 
/* =============================================================
   26. 响应式断点
   ============================================================= */
@media (max-width: 992px) {
    .grid-3 { grid-template-columns: 1fr; gap: 30px; }
    .flex-row { flex-direction: column; gap: 30px; }
    .flex-row-reverse { flex-direction: column; gap: 30px; }
    .footer-top { grid-template-columns: 1fr; gap: 40px; }
    .hero-sec h1 { font-size: 32px; }
    .hero-btns { flex-direction: column; align-items: center; }
    .btn-outline, .btn-red { margin-left: 0; margin-top: 10px; width: 100%; }
    .lazy-video-wrapper { margin-top: 0; }
    .cert-img-box { height: 200px; }
    .cert-col-mini { flex: 0 1 45%; }
    .test-item { margin-bottom: 60px; flex-direction: column; }
    .test-item.flex-row-reverse { flex-direction: column; }
    .test-image-box img { height: 250px; }
    .contact-form-card, .contact-info-column { flex: 1 1 100%; width: 100%; }
    .related-products-section .product-grid-four { grid-template-columns: repeat(2, 1fr); }
    .blog-grid { grid-template-columns: repeat(2, 1fr); }
    .product-detail-wrapper { flex-direction: column; }
    .product-gallery-column { flex: 1 1 100%; width: 100%; }
    .product-layout-wrapper { flex-direction: column; }
    .product-sidebar { flex: 1 1 100%; width: 100%; }
    .product-grid-four { grid-template-columns: repeat(2, 1fr); }
    .service-grid { grid-template-columns: repeat(3, 1fr); gap: 15px; }
    .mobile-3col { grid-template-columns: repeat(3, 1fr) !important; gap: 12px; }
 
    .flex-row--text-video,
    .flex-row--video-text { flex-direction: column; text-align: left; }
    .flex-row--text-video .flex-half,
    .flex-row--video-text .flex-half { width: 100%; flex: 1 1 100%; }
    .flex-row--text-video .flex-half:first-child { order: 1; }
    .flex-row--text-video .flex-half:last-child  { order: 2; }
    .flex-row--video-text .flex-half:first-child { order: 1; }
    .flex-row--video-text .flex-half:last-child  { order: 2; }
}
 
@media (max-width: 768px) {
    /* Header / Nav */
    .hamburger { display: flex; }
    .main-nav { display: none; }
    .mobile-bottom-nav { display: flex; }
    body { padding-bottom: 60px; }
 
    .hero-sec h1 { font-size: 20px; line-height: 1.3; }
    .hero-sec p { font-size: 13px; line-height: 1.6; }
    .about-hero h1 { font-size: 24px; }
    .about-hero { height: 45vh; }
    .sec-title { font-size: 18px; margin-bottom: 15px; }
    .section-title { font-size: 15px; }
    .section-subtitle { font-size: 12px; margin-bottom: 20px; }
    .lead-text { font-size: 13px; }
    .desc-text { font-size: 13px; line-height: 1.7; }
    .sec-padding { padding: 45px 0; }
 
    /* Breadcrumb */
    .breadcrumb { font-size: 10px; margin-bottom: 12px; }
    .breadcrumbs-container, .breadcrumb-links { font-size: 10px; letter-spacing: 1px; }
 
    /* Hero */
    .hero-sec { padding-top: 80px; }
    .hero-wrapper { margin-top: 0; }
    .hero-btns { gap: 10px; }
 
    .related-products-section .product-grid-four { grid-template-columns: repeat(2, 1fr); }
 
    .cta-sec { padding: 50px 0; background-attachment: scroll; }
    .cta-sec h2 { font-size: 18px; }
    .cta-sec .desc-text { font-size: 12px; }
 
    .occ-card img { height: 150px; }
    .card-body { padding: 14px; }
    .card-body h3 { font-size: 13px; }
    .card-body p { font-size: 11px; }
 
    .service-grid { grid-template-columns: repeat(3, 1fr) !important; gap: 8px; }
    .s-card { padding: 14px 8px; }
    .s-card span { font-size: 20px; margin-bottom: 6px; }
    .s-card h4 { font-size: 11px; margin-bottom: 4px; }
    .s-card p { font-size: 10px; line-height: 1.3; }
 
    .mobile-3col { grid-template-columns: repeat(3, 1fr) !important; gap: 10px; }
    .team-grid { margin-top: 25px; row-gap: 20px; }
    .team-img { width: 65px; height: 65px; margin-bottom: 8px; }
    .team-card h4 { font-size: 12px; margin-bottom: 2px; }
    .team-card span { font-size: 10px; }
 
    .faq-grid { grid-template-columns: 1fr; }
    .faq-question { font-size: 13px; padding: 15px 0; }
    .answer-content { font-size: 12px; }
 
    .product-layout-wrapper { padding: 20px 10px 60px; gap: 20px; }
    .product-grid-four { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .results-bar { margin-bottom: 15px; font-size: 12px; }
    .p-card-content { padding: 12px; }
    .p-card-title a { font-size: 12px; }
    .btn-view-more { font-size: 11px; padding: 8px; margin-top: 10px; }
    .no-products-found { min-height: 250px; }
 
    /* Product detail */
    .product-detail-wrapper { gap: 20px; }
    .product-title { font-size: 18px; }
    .short-desc { font-size: 12px; }
    .specs-title { font-size: 13px; }
    .specs-table td { padding: 9px 12px; font-size: 11px; }
    .btn-inquiry { width: 100%; text-align: center; font-size: 13px; }
    .related-products-section { margin-top: 50px; }
    .related-products-section .product-grid-four { grid-template-columns: repeat(2, 1fr); }
    .modal-overlay { align-items: flex-end; padding: 0; }
    .modal-content {
        width: 100%;
        max-width: 100%;
        max-height: 92vh;
        margin: 0;
        border-radius: 16px 16px 0 0;
        padding: 20px 16px 30px;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        transform: translateY(100%);
        transition: transform 0.3s ease;
    }
    .modal-overlay.is-active .modal-content { transform: translateY(0); }
    .modal-header { margin-bottom: 18px; padding-bottom: 12px; }
    .modal-header h3 { font-size: 17px; }
    .modal-header p { font-size: 13px; }
    .modal-body input, .modal-body textarea { padding: 10px; font-size: 14px; margin-bottom: 10px; }
    .modal-body textarea { min-height: 80px; }
    .modal-body input[type="submit"] { padding: 13px; font-size: 14px; }
    .modal-body p { font-size: 12px; }
    .close-modal { top: 12px; right: 14px; font-size: 24px; }
 
    .blog-grid { grid-template-columns: 1fr; gap: 20px; }
    .blog-thumb { height: 160px; }
    .blog-title { font-size: 14px; }
    .blog-excerpt { font-size: 12px; }
    .blog-info { padding: 14px; }
    .read-more-link { font-size: 11px; }
 
    .post-hero-section { padding: 90px 0 35px; background-attachment: scroll; }
    .post-hero-section .post-title { font-size: 18px; letter-spacing: 0; }
    .post-date-meta { font-size: 11px; }
    .post-content-wrapper { padding: 20px; margin: -15px 10px 50px; }
    .post-entry-content { font-size: 13px; line-height: 1.7; }
    .post-navigation { flex-direction: column; gap: 10px; }
    .post-navigation a { font-size: 13px; }
    .post-share-wrapper { flex-direction: column; gap: 10px; margin-top: 30px; }
    .share-links { flex-wrap: wrap; gap: 8px; }
    .share-btn { font-size: 11px; padding: 6px 12px; }
 
    .test-image-box img { height: 200px; }
    .test-content h3 { font-size: 16px; }
    .test-content p { font-size: 12px; }
    .test-num { font-size: 20px; }
    .cert-col-mini { flex: 0 1 45%; }
    .cert-img-box { height: 140px; }
    .spec-table { font-size: 12px; }
    .spec-table th, .spec-table td { padding: 10px; }
    .quality-features li { font-size: 13px; }
 
    .contact-form-card { padding: 18px; }
    .contact-info-column { gap: 15px; }
    .info-card { padding: 15px; }
    .info-card h3 { font-size: 15px; }
    .info-item p { font-size: 12px; }
    .check-list li { font-size: 12px; margin-bottom: 10px; }
 
    .footer-top { display: none; }
    .footer-bottom { flex-direction: column; gap: 10px; text-align: center; padding-bottom: 12px; }
    .footer-copy { font-size: 11px; }
 
    .lazy-video-wrapper { border-radius: 6px; }
}
 
@media (max-width: 480px) {
    .hero-sec h1 { font-size: 18px; }
    .about-hero h1 { font-size: 20px; }
    .service-grid { gap: 6px !important; }
    .s-card p { display: none; }
    .s-card span { font-size: 18px; }
    .mobile-3col { gap: 8px !important; }
    .team-img { width: 55px; height: 55px; }
    .product-grid-four { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .related-products-section .product-grid-four { grid-template-columns: repeat(2, 1fr); }
    .cert-col-mini { flex: 0 1 100%; }
    .post-content-wrapper { padding: 15px; margin: -10px 5px 40px; }
}

/* =============================================================
   挽留弹窗
   ============================================================= */
.exit-popup-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.75);
    backdrop-filter: blur(4px);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.35s ease, visibility 0.35s ease;
}
.exit-popup-overlay.is-active { opacity: 1; visibility: visible; }
 
.exit-popup {
    display: flex;
    width: 100%;
    max-width: 820px;
    min-height: 420px;
    background: #111;
    border: 1px solid #2a2a2a;
    border-radius: 12px;
    overflow: hidden;
    position: relative;
    transform: translateY(24px);
    transition: transform 0.35s ease;
}
.exit-popup-overlay.is-active .exit-popup { transform: translateY(0); }
 
.exit-popup__close {
    position: absolute;
    top: 14px;
    right: 16px;
    background: rgba(255,255,255,0.08);
    border: none;
    color: #fff;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    font-size: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
    z-index: 2;
}
.exit-popup__close:hover { background: var(--primary-red); }
 
.exit-popup__image { flex: 0 0 45%; overflow: hidden; }
.exit-popup__image img { width: 100%; height: 100%; object-fit: cover; display: block; }
 
.exit-popup__content { flex: 1; padding: 45px 40px; display: flex; flex-direction: column; justify-content: center; }
.exit-popup__eyebrow { font-size: 11px; font-weight: 700; letter-spacing: 3px; color: var(--primary-red); text-transform: uppercase; margin: 0 0 12px; }
.exit-popup__title { font-size: 26px; font-weight: 800; color: #fff; line-height: 1.2; margin: 0 0 12px; }
.exit-popup__desc { font-size: 14px; color: rgba(255,255,255,0.65); line-height: 1.6; margin: 0 0 20px; }
.exit-popup__note { font-size: 11px; color: rgba(255,255,255,0.3); margin: 10px 0 0; text-align: center; }
 
/* CF7 表单适配 */
.exit-popup__content .wpcf7 { width: 100%; }
.exit-popup__content .wpcf7-form { display: flex; flex-direction: column; gap: 10px; }
.exit-popup__content .wpcf7-form p { margin: 0; }
.exit-popup__content .wpcf7-form input[type="email"] {
    width: 100%;
    background: #1a1a1a;
    border: 1px solid #333;
    border-radius: 6px;
    padding: 13px 16px;
    color: #fff;
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
    box-sizing: border-box;
}
.exit-popup__content .wpcf7-form input[type="email"]:focus { border-color: var(--primary-red); }
.exit-popup__content .wpcf7-form input[type="submit"] {
    width: 100%;
    background: var(--primary-red);
    color: #fff;
    border: none;
    border-radius: 6px;
    padding: 14px 20px;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: background 0.2s, transform 0.2s;
}
.exit-popup__content .wpcf7-form input[type="submit"]:hover { background: var(--primary-red-dark); transform: translateY(-1px); }
.exit-popup__content .wpcf7-not-valid-tip { font-size: 12px; color: #e74c3c; margin-top: 4px; display: block; }
.exit-popup__content .wpcf7-response-output { font-size: 12px; margin: 8px 0 0; padding: 8px 12px; border-radius: 4px; }
.exit-popup__content .wpcf7-mail-sent-ok { border-color: #27ae60; color: #27ae60; }
.exit-popup__content .wpcf7-validation-errors { border-color: #e74c3c; color: #e74c3c; }

/* =============================================================
   Floating WhatsApp Button
   ============================================================= */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 56px;
    height: 56px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    color: #fff !important;
    text-decoration: none !important;
    box-shadow: 0 4px 16px rgba(37,211,102,0.4);
    z-index: 1050;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.whatsapp-float:hover { transform: scale(1.1); box-shadow: 0 6px 24px rgba(37,211,102,0.55); }
 
.whatsapp-float__dot { position: absolute; top: 4px; right: 4px; width: 12px; height: 12px; background: #ff0000; border-radius: 50%; animation: dot-pulse 1.8s ease-in-out infinite; }
 
@keyframes dot-pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.3); opacity: 0.7; }
}
 
/* 移动端：底部导航栏存在时上移，避免遮挡 */
@media (max-width: 768px) { .whatsapp-float { bottom: 74px; right: 16px; width: 48px; height: 48px; font-size: 26px; } }
 
/* =============================================================
   防复制
   ============================================================= */
body { -webkit-user-select: none; -moz-user-select: none; -ms-user-select: none; user-select: none; }
input, textarea, [contenteditable] { -webkit-user-select: text; -moz-user-select: text; -ms-user-select: text; user-select: text; }
img { pointer-events: none; }