/* =========================================================
   Black Bat (heibianfu_en) — PbootCMS Template Styles
   Design ref: blackbat-music.com (white bg / black text / Arial)
   ========================================================= */

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  font-family: Arial, "Helvetica Neue", Helvetica, sans-serif;
  font-size: 14px;
  color: #111;
  background: #fff;
  line-height: 1.7;
}
img { max-width: 100%; display: block; border: 0; }
ul, ol { list-style: none; }
a { color: inherit; text-decoration: none; transition: color .25s, background .25s, border-color .25s, opacity .25s; }
button, input, textarea { font-family: inherit; font-size: inherit; outline: none; }
button { cursor: pointer; background: none; border: 0; color: inherit; }

.hb-container { width: 100%; max-width: 1400px; margin: 0 auto; padding: 0 30px; }

/* =========================================================
   Header
   ========================================================= */
.hb-header {
  position: sticky; top: 0; z-index: 999;
  background: #fff;
  border-bottom: 1px solid #eee;
  transition: box-shadow .3s;
}
.hb-header.is-scrolled { box-shadow: 0 2px 16px rgba(0,0,0,.08); }
.hb-header-inner { display: flex; align-items: center; justify-content: space-between; height: 86px; }

.hb-logo img { height: 52px; width: auto; }

.hb-nav .hb-menu { display: flex; align-items: center; gap: 28px; }
.hb-menu-item { position: relative; }
.hb-menu-item > a {
  display: block; padding: 10px 0;
  font-size: 14px; color: #000; letter-spacing: .5px;
  text-transform: uppercase; white-space: nowrap;
}
.hb-menu-item > a:hover,
.hb-menu-item.active > a { color: #666; }
.hb-menu-item.active > a { border-bottom: 2px solid #111; }

.hb-arrow {
  display: inline-block; margin-left: 6px;
  width: 6px; height: 6px;
  border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg);
  vertical-align: middle;
}
.hb-submenu {
  position: absolute; top: 100%; left: 50%;
  transform: translateX(-50%) translateY(10px);
  min-width: 200px; background: #fff;
  border: 1px solid #eee; box-shadow: 0 8px 24px rgba(0,0,0,.1);
  padding: 8px 0; opacity: 0; visibility: hidden;
  transition: all .25s;
}
.hb-menu-item:hover .hb-submenu { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.hb-submenu a { display: block; padding: 9px 22px; font-size: 13px; color: #111; white-space: nowrap; }
.hb-submenu a:hover { background: #f5f5f5; }

.hb-header-tools { display: flex; align-items: center; gap: 10px; }

/* Google 自动翻译组件（紧凑，置于工具区最右） */
.hb-gt { line-height: 1; }
.hb-gt img { display: none; } /* 隐藏 Google 图标，保持紧凑 */
.hb-gt .goog-te-gadget { font-size: 13px; color: #111; line-height: 1.2; }
.hb-gt .goog-te-gadget-simple {
  display: inline-flex; align-items: center;
  border: 1px solid #ddd !important; background: #fff;
  padding: 5px 6px !important; border-radius: 3px;
}
.hb-gt .goog-te-combo {
  margin: 0 !important; padding: 0 !important;
  border: 0 !important; background: transparent;
  font-size: 13px !important; color: #111; cursor: pointer; outline: none;
  max-width: 92px;
}
/* 翻译后隐藏 Google 顶部横幅与提示气泡 */
body { top: 0 !important; }
.goog-te-banner-frame.skiptranslate { display: none !important; }
#goog-gt-tt, .goog-te-balloon-frame { display: none !important; }
.goog-text-highlight { background: none !important; box-shadow: none !important; }
.hb-icon-btn { display: inline-flex; align-items: center; justify-content: center; width: 38px; height: 38px; color: #111; }
.hb-icon-btn:hover { color: #888; }
.hb-burger { display: none; flex-direction: column; justify-content: center; gap: 5px; width: 38px; height: 38px; }
.hb-burger span { display: block; width: 22px; height: 2px; background: #111; transition: all .3s; }

/* Language switcher */
.hb-lang { position: relative; }
.hb-lang-btn {
  display: inline-flex; align-items: center; gap: 8px;
  height: 38px; padding: 0 14px;
  border: 1px solid #eee; color: #111; font-size: 13px; letter-spacing: .5px;
  text-transform: uppercase; transition: border-color .25s;
}
.hb-lang-btn:hover { border-color: #111; }
.hb-lang-menu {
  position: absolute; top: calc(100% + 10px); right: 0; z-index: 1001;
  min-width: 140px; background: #fff;
  border: 1px solid #eee; box-shadow: 0 8px 24px rgba(0,0,0,.12);
  padding: 6px 0; opacity: 0; visibility: hidden; transform: translateY(8px);
  transition: all .25s;
}
.hb-lang.open .hb-lang-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.hb-lang-menu a { display: block; padding: 10px 20px; font-size: 13px; color: #111; }
.hb-lang-menu a:hover { background: #f5f5f5; }
.hb-lang-menu a.active { color: #999; pointer-events: none; }

/* Search bar */
.hb-search-bar {
  display: none;
  border-top: 1px solid #eee; background: #fff;
}
.hb-search-bar.open { display: block; }
.hb-search-form { display: flex; padding-top: 16px; padding-bottom: 16px; gap: 0; }
.hb-search-form input[type="text"] {
  flex: 1; height: 46px; padding: 0 16px;
  border: 1px solid #111; border-right: 0; background: #fff; color: #111;
}
.hb-search-form button {
  height: 46px; padding: 0 34px;
  background: #111; color: #fff; text-transform: uppercase; letter-spacing: 1px;
}
.hb-search-form button:hover { background: #333; }

/* Mobile drawer */
.hb-mask {
  position: fixed; inset: 0; z-index: 997;
  background: rgba(0,0,0,.5); opacity: 0; visibility: hidden; transition: all .3s;
}
.hb-mask.open { opacity: 1; visibility: visible; }
.hb-mobile-nav {
  position: fixed; top: 0; right: -300px; z-index: 998;
  width: 300px; height: 100%; overflow-y: auto;
  background: #fff; transition: right .3s;
}
.hb-mobile-nav.open { right: 0; }
.hb-mobile-nav > ul { padding: 90px 0 40px; }
.hb-mobile-nav li { border-bottom: 1px solid #f0f0f0; }
.hb-mobile-nav li a { display: block; padding: 14px 34px; font-size: 15px; }
.hb-mobile-nav li ul li a { padding-left: 56px; color: #666; }

/* =========================================================
   Hero slider
   ========================================================= */
.hb-hero { position: relative; height: 92vh; min-height: 480px; max-height: 960px; overflow: hidden; background: #000; }
.hb-hero-slide {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  opacity: 0; visibility: hidden; transform: scale(1.06);
  transition: opacity .9s ease, transform 6s linear, visibility .9s;
}
.hb-hero-slide.active { opacity: 1; visibility: visible; transform: scale(1); }
.hb-hero-slide::after {
  content: ""; position: absolute; inset: 0;
  background: rgba(0,0,0,.28);
}
.hb-hero-content {
  position: relative; z-index: 2; height: 100%;
  display: flex; flex-direction: column; justify-content: center;
}
.hb-hero-slogan { font-size: 20px; color: #fff; letter-spacing: 4px; text-transform: uppercase; margin-bottom: 18px; }
.hb-hero-title { font-size: clamp(38px, 6.5vw, 88px); font-weight: bold; color: #fff; line-height: 1.15; }

.hb-hero-dots {
  position: absolute; bottom: 34px; left: 50%; transform: translateX(-50%); z-index: 3;
  display: flex; gap: 12px;
}
.hb-hero-dots span {
  width: 10px; height: 10px; border: 1px solid #fff; border-radius: 50%;
  background: transparent; cursor: pointer; transition: background .25s;
}
.hb-hero-dots span.on { background: #fff; }
.hb-hero-arrow {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 3;
  width: 52px; height: 52px;
  display: flex; align-items: center; justify-content: center;
  color: #fff; border: 1px solid rgba(255,255,255,.6); border-radius: 50%;
  transition: all .25s;
}
.hb-hero-arrow:hover { background: #fff; color: #111; }
.hb-hero-prev { left: 34px; }
.hb-hero-next { right: 34px; }

/* Hero 轮播 PC/手机图片分组显隐（JS 按 visible 组自动切换） */
.hb-only-mobile { display: none; }

/* =========================================================
   Sections & common elements
   ========================================================= */
.hb-section { padding: 100px 0; }
.hb-section-gray { background: #f8f8f8; }
.hb-pt0 { padding-top: 0; }

.hb-sec-title {
  font-size: clamp(30px, 4.2vw, 60px);
  font-weight: bold; color: #111;
  text-align: center; margin-bottom: 60px;
}
.hb-text-left { text-align: left; }

/* Buttons — square corners like the reference site */
.hb-btn {
  display: inline-block; padding: 13px 46px;
  font-size: 14px; letter-spacing: 1px; text-transform: uppercase;
  border: 1px solid #191919; border-radius: 0;
  text-align: center; transition: all .3s;
}
.hb-btn-solid { background: #191919; color: #fff; }
.hb-btn-solid:hover { background: #fff; color: #111; }
.hb-btn-hollow { background: transparent; color: #111; }
.hb-btn-hollow:hover { background: #191919; color: #fff; }
.hb-btn-light { border-color: #fff; color: #fff; }
.hb-btn-light:hover { background: #fff; color: #111; }

.hb-more { text-align: center; margin-top: 60px; }
.hb-more-left { text-align: left; margin-top: 34px; }

/* Reveal animation */
.hb-reveal { opacity: 0; transform: translateY(40px); transition: opacity .8s ease, transform .8s ease; }
.hb-reveal.in { opacity: 1; transform: translateY(0); }

/* =========================================================
   Product grid
   ========================================================= */
.hb-pro-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px 30px; }
.hb-pro-card a { display: block; }
.hb-pro-img {
  position: relative; overflow: hidden; background: #f5f5f5;
  aspect-ratio: 1 / 1;
}
.hb-pro-img img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .6s ease, opacity .3s;
}
.hb-pro-card:hover .hb-pro-img img { transform: scale(1.06); }
.hb-pro-name {
  margin-top: 18px; font-size: 15px; font-weight: bold; color: #111;
  line-height: 1.5; text-align: center;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.hb-pro-card:hover .hb-pro-name { color: #666; }
.hb-pro-price { margin-top: 8px; text-align: center; font-size: 15px; line-height: 1.4; }
.hb-pro-price .now { font-weight: bold; color: #111; }
.hb-pro-price .origin { margin-left: 8px; font-size: 13px; color: #999; text-decoration: line-through; }
.hb-pro-desc {
  margin-top: 8px; font-size: 13px; color: #777; text-align: center; line-height: 1.6;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}

/* =========================================================
   Company profile (homepage)
   顶部黑框金边拼贴大图 + 下方左大标题/右简介两栏
   ========================================================= */
.hb-about-collage { background: #0a0a0a; padding: 18px; }
.hb-about-collage img { width: 100%; border: 1px solid #cdbd92; }
.hb-about-flex { display: flex; align-items: flex-start; gap: 70px; margin-top: 70px; }
.hb-about-title {
  flex: 0 0 42%;
  font-size: clamp(40px, 5.5vw, 84px);
  font-weight: bold; color: #111; line-height: 1.15;
}
.hb-about-body { flex: 1; }
.hb-about-desc {
  font-size: 20px; line-height: 1.9; color: #4a4a4a;
}
.hb-about-body .hb-more-left { margin-top: 40px; }

/* =========================================================
   Visual banner (GUITAR PLAYING)
   ========================================================= */
.hb-visual {
  position: relative; padding: 170px 0;
  background-size: cover; background-position: center; background-attachment: fixed;
  text-align: center;
}
.hb-visual::before {
  content: ""; position: absolute; inset: 0;
  background: rgba(0,0,0,.45);
}
.hb-visual-content { position: relative; z-index: 2; }
.hb-visual-slogan { font-size: 18px; color: #fff; letter-spacing: 6px; text-transform: uppercase; margin-bottom: 14px; }
.hb-visual-title { font-size: clamp(36px, 5.5vw, 80px); font-weight: bold; color: #fff; margin-bottom: 20px; }
.hb-visual-desc { font-size: 22px; color: #fff; margin-bottom: 40px; }

/* =========================================================
   Newsletter
   ========================================================= */
.hb-newsletter {
  position: relative; padding: 110px 0;
  background-size: cover; background-position: center;
  text-align: center;
}
.hb-newsletter::before { content: ""; position: absolute; inset: 0; background: rgba(0,0,0,.72); }
.hb-newsletter-inner { position: relative; z-index: 2; }
.hb-newsletter-title { font-size: clamp(32px, 4vw, 50px); font-weight: bold; color: #fff; margin-bottom: 18px; }
.hb-newsletter-desc { font-size: 18px; font-weight: bold; color: #fff; margin-bottom: 42px; }
.hb-subscribe-form {
  display: flex; max-width: 640px; margin: 0 auto; gap: 20px;
}
.hb-subscribe-form input {
  flex: 1; height: 50px; padding: 0 4px;
  background: transparent; border: 0; border-bottom: 1px solid #fff;
  color: #fff; font-size: 15px;
}
.hb-subscribe-form input::placeholder { color: rgba(255,255,255,.75); }
.hb-subscribe-form button {
  height: 50px; padding: 0 44px;
  border: 1px solid #fff; color: rgba(255,255,255,.9);
  text-transform: uppercase; letter-spacing: 1px; transition: all .3s;
}
.hb-subscribe-form button:hover { background: #fff; color: #111; }

/* =========================================================
   360 View (Real carbon fiber guitar) — third-party iframe
   ========================================================= */
.hb-spin { max-width: 1160px; margin: 0 auto; }
.hb-spin-caption { min-height: 1.7em; margin-bottom: 16px; font-size: 15px; color: #333; text-align: center; }
.hb-spin-iframe {
  display: block; width: 100%; aspect-ratio: 16 / 9;
  background: #c9c9c9; border: 0;
}

/* =========================================================
   Page banner / breadcrumb / tabs (sub pages)
   ========================================================= */
.hb-page-banner {
  position: relative; height: 320px;
  background-size: cover; background-position: center;
  display: flex; align-items: center; justify-content: center;
}
.hb-page-banner::before { content: ""; position: absolute; inset: 0; background: rgba(0,0,0,.35); }
.hb-page-banner h1 {
  position: relative; z-index: 2;
  font-size: clamp(30px, 4vw, 52px); color: #fff; letter-spacing: 2px; text-transform: uppercase;
}
.hb-page-head {
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px;
  padding-top: 22px; padding-bottom: 22px; border-bottom: 1px solid #eee;
}
.hb-crumb { font-size: 13px; color: #999; }
.hb-crumb a { color: #999; }
.hb-crumb a:hover { color: #111; }
.hb-tabs { display: flex; flex-wrap: wrap; gap: 8px; }
.hb-tabs a {
  display: block; padding: 7px 22px;
  border: 1px solid #ddd; font-size: 13px; color: #555; transition: all .25s;
}
.hb-tabs a:hover { border-color: #111; color: #111; }
.hb-tabs a.active { background: #111; border-color: #111; color: #fff; }

/* =========================================================
   Pagination
   ========================================================= */
.hb-pagination { display: flex; justify-content: center; flex-wrap: wrap; gap: 8px; margin-top: 70px; }
.hb-pagination a, .hb-pagination span {
  min-width: 40px; height: 40px; padding: 0 12px;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid #ddd; font-size: 14px; color: #333; transition: all .25s;
}
.hb-pagination a:hover { border-color: #111; color: #111; }
.hb-pagination a.page-num-current { background: #111; border-color: #111; color: #fff; }
.hb-empty { text-align: center; color: #999; padding: 80px 0; font-size: 15px; }

/* =========================================================
   Product detail
   ========================================================= */
.hb-detail { display: flex; gap: 60px; margin-bottom: 70px; }
.hb-gallery { flex: 0 0 48%; }
.hb-gallery-main {
  position: relative; aspect-ratio: 1 / 1;
  background: #f5f5f5; overflow: hidden;
}
.hb-gallery-main img { width: 100%; height: 100%; object-fit: cover; }
.hb-gallery-thumbs {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; margin-top: 14px;
}
.hb-thumb {
  aspect-ratio: 1 / 1; overflow: hidden; cursor: pointer;
  border: 2px solid transparent; background: #f5f5f5;
}
.hb-thumb img { width: 100%; height: 100%; object-fit: cover; }
.hb-thumb.active, .hb-thumb:hover { border-color: #111; }

.hb-detail-info { flex: 1; padding-top: 10px; }
.hb-detail-title { font-size: clamp(24px, 2.6vw, 36px); font-weight: bold; line-height: 1.4; }
.hb-detail-desc { margin-top: 22px; font-size: 15px; color: #666; line-height: 1.9; }
.hb-detail-actions { display: flex; gap: 16px; margin-top: 44px; }

.hb-block-title {
  font-size: clamp(22px, 2.4vw, 30px); font-weight: bold; margin-bottom: 34px;
  padding-bottom: 16px; border-bottom: 2px solid #111;
}
.hb-detail-content { line-height: 2; font-size: 15px; color: #333; }
.hb-detail-content img { max-width: 100%; height: auto; }

.hb-detail-nav {
  display: flex; justify-content: space-between; gap: 20px;
  margin-top: 60px; padding-top: 26px; border-top: 1px solid #eee;
}
.hb-detail-nav a { font-size: 14px; color: #555; max-width: 48%; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.hb-detail-nav a:hover { color: #111; }
.hb-related { margin-top: 90px; }

/* =========================================================
   News list & article
   ========================================================= */
.hb-news-list { display: flex; flex-direction: column; gap: 40px; }
.hb-news-item a { display: flex; gap: 40px; }
.hb-news-img { flex: 0 0 320px; aspect-ratio: 4 / 3; overflow: hidden; background: #f5f5f5; }
.hb-news-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s; }
.hb-news-item:hover .hb-news-img img { transform: scale(1.05); }
.hb-news-body { flex: 1; padding-top: 6px; }
.hb-news-body h3 { font-size: 20px; font-weight: bold; line-height: 1.5; transition: color .25s; }
.hb-news-item:hover h3 { color: #666; }
.hb-news-meta { margin: 10px 0 14px; font-size: 13px; color: #999; }
.hb-news-desc { font-size: 14px; color: #666; line-height: 1.9; }
.hb-news-more { display: inline-block; margin-top: 18px; font-size: 13px; letter-spacing: 1px; text-transform: uppercase; color: #111; border-bottom: 1px solid #111; padding-bottom: 2px; }

.hb-article { max-width: 1000px; margin: 0 auto; }
.hb-article-full { max-width: none; }
.hb-article-title { font-size: clamp(24px, 3vw, 36px); font-weight: bold; line-height: 1.5; margin-bottom: 18px; }
.hb-article-meta { font-size: 13px; color: #999; margin-bottom: 40px; }
.hb-article { line-height: 2.1; font-size: 15px; color: #333; }
.hb-article img { max-width: 100%; height: auto; }
.hb-tags { margin-top: 50px; display: flex; flex-wrap: wrap; gap: 10px; }
.hb-tags a {
  padding: 6px 18px; border: 1px solid #ddd; font-size: 13px; color: #555; transition: all .25s;
}
.hb-tags a:hover { background: #111; border-color: #111; color: #fff; }

/* =========================================================
   Contact / message
   ========================================================= */
.hb-contact-cards {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px;
  margin-bottom: 90px;
}
.hb-contact-cards li {
  padding: 44px 30px; background: #f8f8f8; text-align: center;
  transition: transform .3s, box-shadow .3s;
}
.hb-contact-cards li:hover { transform: translateY(-6px); box-shadow: 0 14px 30px rgba(0,0,0,.08); }
.hb-contact-cards h4 { font-size: 17px; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 14px; }
.hb-contact-cards p { font-size: 14px; color: #555; word-break: break-all; }

.hb-contact-wrap { display: flex; gap: 70px; }
.hb-contact-intro { flex: 0 0 38%; }
.hb-contact-intro .hb-sec-title { margin-bottom: 24px; font-size: clamp(26px, 3vw, 40px); }
.hb-contact-text { font-size: 15px; color: #666; line-height: 2; }

.hb-message-form { flex: 1; }
.hb-form-row { display: flex; gap: 24px; margin-bottom: 24px; }
.hb-message-form input[type="text"], .hb-message-form textarea {
  width: 100%; padding: 13px 2px;
  border: 0; border-bottom: 1px solid #ccc; background: transparent;
  font-size: 15px; color: #111; transition: border-color .25s; resize: vertical;
}
.hb-message-form input:focus, .hb-message-form textarea:focus { border-color: #111; }
.hb-message-form textarea { margin-bottom: 30px; }
.hb-form-code { align-items: center; }
.hb-form-code img { height: 44px; cursor: pointer; }

/* =========================================================
   Shop list & detail（复制 blackbat-music.com 产品页版式）
   ========================================================= */
.hb-shop-title { font-size: 42px; font-weight: 400; color: #191919; }
.hb-shop-crumb { font-size: 13px; color: #999; margin-top: 12px; }
.hb-shop-crumb a { color: #999; }
.hb-shop-crumb a:hover { color: #111; }
.hb-shop-main { display: flex; gap: 40px; margin-top: 34px; }

/* Sidebar */
.hb-shop-side { flex: 0 0 255px; }
/* 主栏：始终填满剩余宽度（空列表时不塌陷） */
.hb-shop-right { flex: 1 1 0; min-width: 0; }
.hb-side-search { position: relative; }
.hb-side-search input {
  width: 100%; height: 38px; padding: 0 34px 0 2px;
  border: 0; border-bottom: 1px solid #e5e5e5; background: transparent;
  font-size: 14px; color: #111; transition: border-color .25s;
}
.hb-side-search input:focus { border-color: #111; }
.hb-side-search button { position: absolute; right: 0; top: 0; height: 38px; display: flex; align-items: center; color: #111; }
.hb-side-title {
  display: flex; align-items: center; justify-content: space-between;
  margin: 34px 0 12px; font-size: 16px; font-weight: bold; color: #000;
}
.hb-side-cat li a {
  display: block; padding: 9px 0; font-size: 14px; color: #000;
  transition: color .2s;
}
.hb-side-cat li a:hover { color: #666; }
.hb-side-cat li a.active { font-weight: bold; }
.hb-side-cat ul { padding-left: 14px; }

/* Sort bar */
.hb-shop-sort {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: flex-end;
  gap: 14px 30px;
  padding: 8px 0 20px; border-bottom: 1px solid #eee;
}
.hb-shop-sort span { font-size: 14px; color: #000; }

/* 排序栏（横向，仿目标站） */
.hb-sort-select { position: relative; min-width: 220px; }
.hb-sort-item {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 16px; color: #111; letter-spacing: .3px;
  transition: color .25s;
}
.hb-sort-item:hover { color: #777; }
.hb-sort-item.active { font-weight: bold; }
.hb-sort-arrow { display: inline-block; margin-left: 2px; }
.hb-sort-arrow .up, .hb-sort-arrow .down { fill: #c9c9c9; transition: fill .25s; }
.hb-sort-item.asc .up { fill: #111; }
.hb-sort-item.desc .down { fill: #111; }

/* Product grid（列表页 / Hot Sale 共用） */
.hb-shop-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 46px 48px; margin-top: 36px; }
.hb-shop-card-img { display: block; position: relative; aspect-ratio: 1 / 1; overflow: hidden; background: #fff; }
.hb-shop-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease, opacity .3s; }
.hb-shop-card:hover .hb-shop-card-img img { transform: scale(1.05); }

/* 悬停切换图（列表卡片第二张图） */
.hb-img-hover {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; opacity: 0;
  transition: opacity .45s ease;
}
.hb-pro-card:hover .hb-img-hover,
.hb-shop-card:hover .hb-img-hover { opacity: 1; }
.hb-pro-card:hover .hb-img-main,
.hb-shop-card:hover .hb-img-main { transform: scale(1.05); }
.hb-shop-stars { display: flex; align-items: center; gap: 2px; margin-top: 16px; color: #FF9E0F; font-size: 13px; line-height: 1; }
.hb-shop-stars span { margin-left: 5px; color: #191919; }
.hb-shop-brand { margin-top: 9px; font-size: 12px; color: #999; text-transform: uppercase; letter-spacing: .5px; }
.hb-shop-card-title {
  margin-top: 5px; font-size: 16px; color: #191919; line-height: 1.45;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  transition: color .25s;
}
.hb-shop-card-title:hover { color: #666; }
.hb-shop-price { margin-top: 10px; font-size: 16px; color: #000; line-height: 1.4; }
.hb-shop-price .now { font-weight: bold; }
.hb-shop-price .origin { margin-left: 10px; font-size: 14px; color: #999; text-decoration: line-through; }
.hb-shop-view {
  display: block; margin-top: 14px; padding: 8px 10px;
  text-align: center; font-size: 14px;
  background: #000; color: #fff; border: 1px solid #000; border-radius: 6px;
  transition: all .25s;
}
.hb-shop-view:hover { background: #fff; color: #000; }

/* Detail top（左图集 + 右信息） */
.hb-shop-crumb-top { padding-top: 20px; }
.hb-detail-top { display: flex; gap: 56px; margin-top: 18px; }
.hb-gallery2 { flex: 0 0 56%; }
.hb-gallery2-main {
  aspect-ratio: 1 / 1; background: #fff; border: 1px solid #f0f0f0;
  display: flex; align-items: center; justify-content: center; overflow: hidden;
}
.hb-gallery2-main img { max-width: 100%; max-height: 100%; object-fit: contain; }
.hb-gallery2-thumbs { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; margin-top: 14px; }
.hb-gallery2-thumbs .hb-thumb { width: auto; aspect-ratio: 1 / 1; }
.hb-gallery2-thumbs .hb-thumb img { width: 100%; height: 100%; object-fit: cover; }

.hb-detail-info2 { flex: 1; min-width: 0; }
.hb-dtitle { font-size: 42px; font-weight: 400; color: #2a2a2a; line-height: 1.25; }
.hb-dnumber { margin-top: 12px; font-size: 14px; color: #999; }
.hb-dbrand { margin-top: 8px; font-size: 16px; color: #666; }
.hb-dreview { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; margin-top: 18px; font-size: 14px; color: #666; }
.hb-dstars { display: inline-flex; gap: 2px; color: #FF9E0F; }
.hb-dshare { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.hb-dshare a {
  display: inline-flex; align-items: center; justify-content: center;
  width: 22px; height: 22px; border-radius: 3px; color: #fff; transition: opacity .25s;
}
.hb-dshare a:hover { opacity: .8; }
.hb-dshare .net-fb { background: #3b5998; }
.hb-dshare .net-x { background: #000; }
.hb-dshare .net-pi { background: #e60023; }
.hb-dshare .net-em { background: #88898f; }
.hb-dshare .net-wa { background: #12af0a; }
.hb-dshare .net-li { background: #007bb5; }

.hb-dprice { margin-top: 26px; font-size: 26px; }
.hb-dspecs { list-style: none; margin-top: 20px; border-top: 1px solid #eee; }
.hb-dspecs li {
  display: flex; align-items: baseline; gap: 14px;
  padding: 10px 0; border-bottom: 1px solid #eee;
  font-size: 14px; color: #333; line-height: 1.6;
}
.hb-dspec-label {
  flex: 0 0 64px; font-size: 13px; color: #999;
  text-transform: uppercase; letter-spacing: .5px;
}
.hb-dspec-value { flex: 1; word-break: break-word; }
.hb-dactions { margin-top: 30px; }
.hb-dinquire {
  display: block; width: 100%; padding: 15px 0;
  text-align: center; font-size: 16px; letter-spacing: 1px;
  background: #fff; color: #313131; border: 1px solid #313131; border-radius: 10px;
  transition: all .25s;
}
.hb-dinquire:hover { background: #313131; color: #fff; }

/* Description / Hot Sale */
.hb-dsection { margin-top: 96px; }
.hb-dsection h2 { font-size: 40px; font-weight: 400; color: #191919; text-align: center; }
.hb-dcontent { margin-top: 36px; font-size: 15px; line-height: 2; color: #333; }
.hb-dcontent img { max-width: 100%; height: auto; }
.hb-dsection .hb-more { margin-top: 50px; }

/* =========================================================
   Footer
   ========================================================= */
.hb-footer { background: #fff; border-top: 1px solid #eee; margin-top: 110px; }
.hb-footer-top {
  display: flex; flex-wrap: wrap; gap: 50px;
  padding-top: 70px; padding-bottom: 50px;
}
.hb-footer-brand { flex: 0 0 320px; }
.hb-footer-logo { height: 60px; width: auto; margin-bottom: 22px; }
.hb-footer-slogan { font-size: 13px; color: #777; line-height: 1.9; }
.hb-social { display: flex; gap: 12px; margin-top: 24px; }
.hb-social a {
  display: inline-flex; align-items: center; justify-content: center;
  width: 38px; height: 38px; border: 1px solid #ddd; border-radius: 50%; color: #111;
  transition: all .25s;
}
.hb-social a:hover { background: #111; border-color: #111; color: #fff; }

.hb-footer-col { flex: 1; min-width: 180px; }
.hb-footer-col h4 { font-size: 17px; font-weight: bold; margin-bottom: 24px; }
.hb-footer-col ul li { margin-bottom: 12px; }
.hb-footer-col ul a { font-size: 13px; color: #444; }
.hb-footer-col ul a:hover { color: #000; text-decoration: underline; }
.hb-footer-contact li { font-size: 13px; color: #444; line-height: 1.8; }
.hb-footer-contact a { color: #444; }
.hb-footer-contact a:hover { color: #000; }

.hb-footer-bottom { border-top: 1px solid #eee; padding: 22px 0; }
.hb-footer-bottom p { font-size: 12px; color: #888; text-align: center; line-height: 1.8; }

/* Back to top */
.hb-backtop {
  position: fixed; right: 30px; bottom: 34px; z-index: 900;
  width: 46px; height: 46px;
  display: flex; align-items: center; justify-content: center;
  background: #111; color: #fff; border-radius: 50%;
  opacity: 0; visibility: hidden; transition: all .3s;
}
.hb-backtop.show { opacity: 1; visibility: visible; }
.hb-backtop:hover { background: #333; }

/* ===== 询盘弹窗（产品详情）===== */
.hb-modal { position: fixed; inset: 0; z-index: 1000; display: none; align-items: center; justify-content: center; padding: 20px; }
.hb-modal.open { display: flex; }
.hb-modal-mask { position: absolute; inset: 0; background: rgba(0,0,0,.55); }
.hb-modal-box {
  position: relative; width: 100%; max-width: 460px; max-height: 90vh; overflow-y: auto;
  background: #fff; padding: 34px 32px 30px; border-radius: 4px;
  box-shadow: 0 18px 60px rgba(0,0,0,.25); animation: hb-modal-in .25s ease;
}
@keyframes hb-modal-in { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }
.hb-modal-close {
  position: absolute; top: 10px; right: 14px;
  background: none; border: 0; cursor: pointer;
  font-size: 26px; line-height: 1; color: #999; padding: 4px;
}
.hb-modal-close:hover { color: #111; }
.hb-modal-title { margin: 0 0 18px; font-size: 22px; font-weight: 700; text-align: center; }
.hb-modal-form .hb-form-item { margin-bottom: 14px; }
.hb-modal-form label { display: block; margin-bottom: 6px; font-size: 13px; color: #333; }
.hb-modal-form input[type="text"], .hb-modal-form input[type="email"] {
  width: 100%; box-sizing: border-box; padding: 10px 12px;
  border: 1px solid #ddd; border-radius: 3px; font-size: 14px; color: #111; background: #fff;
}
.hb-modal-form input[readonly] { background: #f5f5f5; color: #555; }
.hb-modal-form input:focus { outline: none; border-color: #111; }
.hb-form-code { display: flex; gap: 10px; align-items: center; }
.hb-form-code input { flex: 1; }
.hb-form-code img { height: 40px; cursor: pointer; border: 1px solid #ddd; border-radius: 3px; }
.hb-modal-submit { width: 100%; margin-top: 6px; padding: 12px; font-size: 14px; letter-spacing: 1px; cursor: pointer; }
.hb-modal-submit:disabled { opacity: .6; cursor: not-allowed; }

/* 提交成功提示 */
.hb-modal-ok { text-align: center; padding: 14px 0 4px; }
.hb-ok-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 56px; height: 56px; border-radius: 50%;
  background: #111; color: #fff; margin-bottom: 14px;
}
.hb-ok-text { margin: 0 0 18px; font-size: 15px; color: #333; line-height: 1.6; }