/* ==================== 变量 ==================== */
:root {
  --primary: #16a34a;
  --primary-dark: #15803d;
  --primary-mid: #166534;
  --primary-light: #4ade80;
  --primary-btn: #16a34a;
  --top-bar: #14532d;
  --text: #1a1a2e;
  --text-light: #4b5563;
  --text-lighter: #9ca3af;
  --border: #d1e7dd;
  --bg-white: #fff;
  --bg-gray: #f0fdf4;
  --bg-light: #f0fdf4;
  --shadow: 0 2px 12px rgba(22,163,74,0.10);
}

/* ==================== 重置 ==================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: 'Microsoft YaHei', 'PingFang SC', -apple-system, sans-serif; font-size: 14px; color: var(--text); background: #fff; line-height: 1.6; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
input, button, textarea, select { font-family: inherit; outline: none; border: none; }
button { cursor: pointer; }

/* ==================== 黑色顶栏 ==================== */
.top-bar {
  background: var(--top-bar);
  height: 36px;
  display: flex;
  align-items: center;
}
.top-bar-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  width: 100%;
}
.top-bar-welcome {
  font-size: 12px;
  color: rgba(255,255,255,0.65);
  flex: 1;
}
.top-bar-links {
  display: flex;
  align-items: center;
  gap: 0;
}
.top-bar-links a, .top-bar-links span {
  font-size: 12px;
  color: rgba(255,255,255,0.7);
  padding: 0 10px;
  border-right: 1px solid rgba(255,255,255,0.2);
  line-height: 1;
  transition: color 0.2s;
  display: flex;
  align-items: center;
  gap: 4px;
}
.top-bar-links a:last-child { border-right: none; }
.top-bar-links a:hover { color: #fff; }
.top-bar-links .btn-register-top {
  background: var(--primary);
  color: #fff;
  padding: 4px 12px;
  border-radius: 3px;
  font-size: 12px;
  transition: background 0.2s;
  border-right: none;
}
.top-bar-links .btn-register-top:hover { background: var(--primary-dark); }

/* 语言切换按钮 */
.lang-toggle-btn {
  background: rgba(255,255,255,0.15) !important;
  border: 1px solid rgba(255,255,255,0.3) !important;
  border-radius: 4px !important;
  padding: 3px 12px !important;
  font-size: 12px !important;
  font-weight: 600 !important;
  color: #fff !important;
  cursor: pointer;
  transition: all 0.25s !important;
  display: inline-flex !important;
  align-items: center !important;
  gap: 5px !important;
}
.lang-toggle-btn:hover {
  background: var(--primary) !important;
  border-color: var(--primary-light) !important;
  transform: scale(1.05);
}
.lang-globe-icon {
  opacity: 0.85;
}
.lang-toggle-btn:hover .lang-globe-icon {
  opacity: 1;
}

/* ==================== Logo + 导航区 ==================== */
.header-main {
  background: #fff;
  border-bottom: 2px solid var(--primary);
}
.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.logo {
  display: flex;
  flex-direction: column;
  line-height: 1;
}
.logo-main {
  font-size: 42px;
  font-weight: 900;
  font-style: italic;
  color: var(--primary);
  letter-spacing: -2px;
}
.logo-sub {
  font-size: 13px;
  font-weight: 700;
  font-style: normal;
  letter-spacing: 5px;
  color: var(--primary);
  margin-top: 2px;
}

/* 顶部搜索框 */
.header-search {
  display: flex;
  align-items: center;
  border: 1.5px solid #d1e7dd;
  border-radius: 4px;
  overflow: hidden;
  height: 40px;
  width: 320px;
  transition: border-color 0.2s;
}
.header-search:focus-within {
  border-color: #16a34a;
  box-shadow: 0 0 0 3px rgba(22,163,74,0.1);
}
.header-search input {
  flex: 1;
  padding: 0 14px;
  font-size: 13px;
  color: #1a1a2e;
  background: transparent;
}
.header-search input::placeholder { color: #bbb; }
.header-search button {
  display: flex;
  align-items: center;
  gap: 5px;
  background: #16a34a;
  color: #fff;
  padding: 0 16px;
  height: 40px;
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  transition: background 0.2s;
}
.header-search button:hover { background: #15803d; }

/* 主导航 */
.main-nav {
  display: flex;
  align-items: center;
  gap: 0;
}
.nav-item {
  position: relative;
}
.nav-item > a {
  display: flex;
  align-items: center;
  height: 56px;
  padding: 0 20px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  transition: color 0.2s;
  gap: 4px;
  white-space: nowrap;
}
.nav-item > a:hover, .nav-item.active > a { color: var(--primary); }
.nav-item.active > a { font-weight: 600; }
.arrow { font-size: 10px; transition: transform 0.2s; }
.nav-item:hover .arrow { transform: rotate(180deg); }

.dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  background: #fff;
  min-width: 150px;
  box-shadow: 0 8px 24px rgba(22,163,74,0.15);
  border-top: 2px solid var(--primary);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: all 0.2s;
  z-index: 200;
}
.nav-item:hover .dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown a {
  display: block;
  padding: 10px 16px;
  font-size: 13px;
  color: var(--text);
  border-bottom: 1px solid #f0fdf4;
  transition: all 0.2s;
}
.dropdown a:hover { color: var(--primary); background: #f0fdf4; padding-left: 20px; }

/* ==================== 绿色公告栏 ==================== */
.announce-bar {
  background: var(--primary);
  height: 44px;
  display: flex;
  align-items: center;
}
.announce-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  width: 100%;
}
.announce-text {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  color: #fff;
  font-size: 13px;
}
.announce-icon { font-size: 16px; }
.announce-search {
  display: flex;
  align-items: center;
  background: #fff;
  border-radius: 3px;
  overflow: hidden;
  height: 32px;
  width: 300px;
}
.announce-search input {
  flex: 1;
  padding: 0 12px;
  font-size: 13px;
  color: var(--text);
  background: transparent;
}
.announce-search input::placeholder { color: #bbb; }
.announce-search button {
  width: 44px;
  height: 32px;
  background: var(--primary-dark);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  transition: background 0.2s;
}
.announce-search button:hover { background: var(--top-bar); }

/* ==================== 页面Banner ==================== */
.page-banner {
  height: 160px;
  background: linear-gradient(to right, #14532d, #16a34a, #3d1a4e);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
}
.page-banner-img {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.35;
  mix-blend-mode: luminosity;
}
.page-banner h1 {
  position: relative;
  z-index: 2;
  color: #fff;
  font-size: 32px;
  font-weight: 700;
  padding: 0 40px;
  text-shadow: 0 2px 12px rgba(0,0,0,0.3);
}

/* ==================== 面包屑 ==================== */
.breadcrumb {
  padding: 10px 0;
  font-size: 13px;
  color: var(--text-lighter);
  border-bottom: 1px solid var(--border);
  background: #fff;
}
.breadcrumb-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
}
.breadcrumb a { color: var(--text-light); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep { margin: 0 6px; }
.breadcrumb span { margin: 0 5px; }

/* ==================== 容器 ==================== */
.container { max-width: 1280px; margin: 0 auto; padding: 0 20px; }

/* ==================== 图案背景 ==================== */
.pattern-bg {
  background-color: #f0fdf4;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='40' height='40' viewBox='0 0 40 40'%3E%3Cg fill-rule='evenodd'%3E%3Cg fill='%23c084d8' fill-opacity='0.12'%3E%3Cpath d='M0 38.59l2.83-2.83 1.41 1.41L1.41 40H0v-1.41zM0 1.4l2.83 2.83 1.41-1.41L1.41 0H0v1.41zM38.59 40l-2.83-2.83 1.41-1.41L40 38.59V40h-1.41zM40 1.41l-2.83 2.83-1.41-1.41L38.59 0H40v1.41zM20 18.6l2.83-2.83 1.41 1.41L21.41 20l2.83 2.83-1.41 1.41L20 21.41l-2.83 2.83-1.41-1.41L18.59 20l-2.83-2.83 1.41-1.41L20 18.59z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

/* ==================== 区块标题 ==================== */
.sec-title {
  text-align: center;
  padding: 52px 0 36px;
}
.sec-title h2 {
  font-size: 26px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 2px;
}
.sec-title h2 span {
  font-size: 22px;
  font-weight: 400;
  color: var(--text-light);
  margin-left: 10px;
  letter-spacing: 3px;
}
.sec-title-bar {
  width: 40px;
  height: 3px;
  background: var(--primary);
  margin: 12px auto 0;
  border-radius: 2px;
}

/* ==================== 英雄轮播 ==================== */
.hero {
  position: relative;
  width: 100%;
  height: 500px;
  overflow: hidden;
  background: #1a0a2e;
}
.hero-slides { position: absolute; inset: 0; }
.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.8s ease;
}
.hero-slide.active { opacity: 1; }

.slide-1-bg {
  background: radial-gradient(ellipse 80% 60% at 50% 100%, #166534 0%, #14532d 40%, #1a0a2e 80%);
}
.slide-2-bg {
  background: radial-gradient(ellipse 80% 60% at 40% 80%, #3d1a4e 0%, #14532d 40%, #1a0a2e 80%);
}
.slide-3-bg {
  background: radial-gradient(ellipse 80% 60% at 60% 80%, #16a34a 0%, #15803d 40%, #1a0a2e 80%);
}
.hero-slide-svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-content {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  z-index: 10;
  padding-bottom: 40px;
}
.hero-title {
  font-size: 44px;
  font-weight: 700;
  color: #fff;
  text-shadow: 0 2px 20px rgba(0,0,0,0.3);
  line-height: 1.35;
  margin-bottom: 8px;
}
.hero-subtitle {
  font-size: 44px;
  font-weight: 700;
  color: #fff;
  text-shadow: 0 2px 20px rgba(0,0,0,0.3);
  margin-bottom: 28px;
}
.hero-link {
  color: rgba(255,255,255,0.9);
  font-size: 16px;
  border-bottom: 1px solid rgba(255,255,255,0.5);
  padding-bottom: 2px;
  letter-spacing: 1px;
  transition: all 0.2s;
}
.hero-link:hover { color: #fff; border-color: #fff; }
.hero-dots {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 10;
}
.hero-dot {
  width: 30px;
  height: 4px;
  background: rgba(255,255,255,0.35);
  border-radius: 2px;
  cursor: pointer;
  transition: background 0.3s;
}
.hero-dot.active { background: var(--primary-light); }
.hero-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  color: #fff;
  font-size: 20px;
  transition: background 0.2s;
}
.hero-arrow:hover { background: rgba(255,255,255,0.3); }
.hero-arrow.prev { left: 20px; }
.hero-arrow.next { right: 20px; }

/* ==================== 关于我们区块 ==================== */
.about-section { padding: 0 0 60px; }
.about-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}
.about-text p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.9;
  margin-bottom: 18px;
}
.about-text a {
  color: var(--primary);
  font-size: 13px;
  border-bottom: 1px solid var(--primary);
  padding-bottom: 1px;
}
.about-photo {
  width: 100%;
  height: 340px;
  border-radius: 8px;
  overflow: hidden;
  background: linear-gradient(135deg, #14532d, #166534);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 32px rgba(22,163,74,0.2);
}
.about-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ==================== 品牌区块 ==================== */
.brands-section { padding: 0 0 60px; }
.brands-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}
.brand-card {
  background: #fff;
  border: 1px solid #d1e7dd;
  border-radius: 8px;
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  cursor: pointer;
  transition: all 0.25s;
}
.brand-card:hover { box-shadow: 0 4px 20px rgba(22,163,74,0.15); border-color: var(--primary); transform: translateY(-2px); }
.brand-card img {
  max-width: 100%;
  max-height: 70px;
  object-fit: contain;
}
.brand-card-text {
  font-size: 18px;
  font-weight: 800;
  color: #333;
  text-align: center;
  line-height: 1.3;
}
.brand-card-text small { display: block; font-size: 10px; font-weight: 400; color: #888; margin-top: 3px; letter-spacing: 1px; }

.brands-dots {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 28px;
  padding-bottom: 20px;
}
.brands-dot {
  width: 28px;
  height: 4px;
  background: #ddd;
  border-radius: 2px;
  cursor: pointer;
}
.brands-dot.active { background: var(--primary); }

/* ==================== 资讯区块 ==================== */
.news-section { padding: 0 0 60px; }
.news-layout {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 24px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}
.news-cat {
  font-size: 13px;
  color: var(--text-light);
  margin-bottom: 16px;
}
.news-cat-label { margin-bottom: 10px; }
.news-cat-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 0;
  font-size: 13px;
  color: var(--text-light);
  cursor: pointer;
  border-bottom: 1px solid #d1e7dd;
  transition: color 0.2s;
}
.news-cat-item.active { color: var(--primary); font-weight: 600; }
.news-cat-num {
  font-size: 12px;
  font-weight: 700;
  color: var(--primary);
}
.news-cat-banner {
  background: var(--primary);
  color: #fff;
  border-radius: 8px;
  padding: 32px 16px;
  text-align: center;
  margin-top: 16px;
  min-height: 200px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
}
.news-cat-banner h3 { font-size: 28px; font-weight: 700; writing-mode: horizontal-tb; }
.news-cat-banner .more-btn {
  border: 1px solid rgba(255,255,255,0.6);
  color: #fff;
  padding: 8px 28px;
  border-radius: 20px;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
}
.news-cat-banner .more-btn:hover { background: rgba(255,255,255,0.2); }

.news-main-area { flex: 1; }
.news-featured {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}
.news-feat-card {
  display: flex;
  gap: 12px;
  cursor: pointer;
  transition: all 0.2s;
}
.news-feat-card:hover .news-feat-title { color: var(--primary); }
.news-feat-img {
  width: 140px;
  height: 90px;
  border-radius: 6px;
  overflow: hidden;
  flex-shrink: 0;
  background: linear-gradient(135deg, #14532d, #166534);
}
.news-feat-img img { width: 100%; height: 100%; object-fit: cover; }
.news-feat-body { flex: 1; }
.news-feat-title { font-size: 14px; font-weight: 600; color: var(--text); line-height: 1.4; margin-bottom: 8px; }
.news-feat-desc { font-size: 12px; color: var(--text-lighter); line-height: 1.5; margin-bottom: 8px; }
.news-feat-date { font-size: 11px; color: var(--text-lighter); }

.news-list-items { border-top: 1px solid #d1e7dd; }
.news-list-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 0;
  border-bottom: 1px solid #f0fdf4;
  font-size: 13px;
  cursor: pointer;
  transition: color 0.2s;
  justify-content: space-between;
}
.news-list-item:hover .news-list-title { color: var(--primary); }
.news-list-left { display: flex; align-items: center; gap: 8px; flex: 1; }
.news-list-arrow { color: var(--primary); font-size: 12px; }
.news-list-title { color: var(--text); flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.news-list-date { color: var(--text-lighter); font-size: 12px; white-space: nowrap; }
.news-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 20px;
}

/* ==================== 产品页面 ==================== */
.products-page-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 20px;
  max-width: 1280px;
  margin: 0 auto;
  padding: 24px 20px;
}

/* 品牌侧边栏 */
.brand-sidebar {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}
.brand-sidebar-header {
  background: var(--primary-mid);
  color: #fff;
  padding: 12px 16px;
  font-size: 14px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}
.brand-sidebar-header .icon { font-size: 14px; }
.brand-sidebar-list { }
.brand-sidebar-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 16px;
  font-size: 13px;
  color: var(--primary);
  border-bottom: 1px solid #f0fdf4;
  cursor: pointer;
  transition: all 0.2s;
}
.brand-sidebar-item:hover { background: #f0fdf4; }
.brand-sidebar-item.active { background: #d1e7dd; color: var(--primary-dark); font-weight: 600; }
.brand-count { color: var(--text-lighter); font-size: 12px; }

/* 产品表格 */
.product-table-wrap {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}
.product-table-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  background: #f0fdf4;
}
.product-table-breadcrumb {
  font-size: 13px;
  color: var(--text-light);
  flex: 1;
  display: flex;
  align-items: center;
  gap: 4px;
}
.product-table-breadcrumb a { color: var(--text-light); }
.product-table-breadcrumb a:hover { color: var(--primary); }
.product-table-breadcrumb strong { color: var(--primary); }
.product-search-small {
  display: flex;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: 3px;
  overflow: hidden;
  height: 30px;
}
.product-search-small input {
  padding: 0 10px;
  width: 180px;
  font-size: 12px;
  color: var(--text);
  background: #fff;
}
.product-search-small input::placeholder { color: #bbb; }
.product-search-small button {
  width: 30px;
  height: 30px;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}

.product-table {
  width: 100%;
  border-collapse: collapse;
}
.product-table th {
  background: #f0fdf4;
  padding: 12px 14px;
  text-align: center;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-light);
  border-bottom: 1px solid var(--border);
}
.product-table td {
  padding: 11px 14px;
  text-align: center;
  font-size: 13px;
  color: var(--text);
  border-bottom: 1px solid #f0fdf4;
}
.product-table tr:hover td { background: #f0fdf4; }
.product-table .model-link { color: #15803d; cursor: pointer; }
.product-table .model-link:hover { color: var(--primary); text-decoration: underline; }
.btn-inquiry-sm {
  background: var(--primary);
  color: #fff;
  padding: 5px 12px;
  border-radius: 3px;
  font-size: 12px;
  cursor: pointer;
  margin-right: 4px;
  transition: background 0.2s;
}
.btn-inquiry-sm:hover { background: var(--primary-dark); }
.btn-sample-sm {
  background: #fff;
  color: var(--primary);
  border: 1px solid var(--primary);
  padding: 4px 10px;
  border-radius: 3px;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-sample-sm:hover { background: var(--primary); color: #fff; }

/* ==================== BOM页面 ==================== */
.bom-page-layout {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 20px;
  max-width: 1280px;
  margin: 0 auto;
  padding: 24px 20px;
  min-height: 600px;
}
.bom-steps {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}
.bom-steps-header {
  background: var(--primary);
  color: #fff;
  padding: 12px 16px;
  font-size: 14px;
  font-weight: 600;
  text-align: center;
  cursor: pointer;
}
.bom-step {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border-bottom: 1px solid #f0fdf4;
  font-size: 12px;
  color: var(--text-light);
}
.bom-step-num {
  width: 22px;
  height: 22px;
  border: 1.5px solid var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 600;
  flex-shrink: 0;
  color: var(--primary);
}

.bom-main {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
}
.bom-tabs {
  display: flex;
  border-bottom: 2px solid var(--border);
  margin-bottom: 20px;
}
.bom-tab {
  padding: 10px 20px;
  font-size: 14px;
  color: var(--text-light);
  cursor: pointer;
  transition: all 0.2s;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
}
.bom-tab.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: 600; }
.bom-tab:hover { color: var(--primary); }

.bom-notice { margin-bottom: 16px; }
.bom-notice p { font-size: 13px; color: var(--text-light); margin-bottom: 4px; line-height: 1.7; }
.bom-notice p.highlight { color: #e74c3c; }

.bom-action-btns {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
}
.bom-action-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
  background: #fff;
  color: var(--text);
}
.bom-action-btn:hover { border-color: var(--primary); color: var(--primary); }
.bom-action-btn.excel { color: #217346; border-color: #217346; }
.bom-action-btn.excel:hover { background: #217346; color: #fff; }

.bom-input-area {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 16px;
}
.bom-textarea-wrap { }
.bom-textarea {
  width: 100%;
  height: 260px;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 12px;
  font-size: 13px;
  resize: vertical;
  color: var(--text);
  background: #fafafa;
  line-height: 1.6;
}
.bom-textarea::placeholder { color: #bbb; }
.bom-textarea:focus { border-color: var(--primary); background: #fff; }
.bom-clear { font-size: 13px; color: var(--primary); cursor: pointer; margin-top: 6px; display: inline-block; }
.bom-example { }
.bom-example-title { font-size: 13px; color: var(--text-light); margin-bottom: 12px; }
.bom-example-highlight { color: #e74c3c; font-weight: 600; margin-bottom: 8px; font-size: 13px; }
.bom-example table { width: 100%; border-collapse: collapse; font-size: 13px; }
.bom-example th { padding: 6px 10px; text-align: left; color: var(--text-light); border-bottom: 1px solid var(--border); }
.bom-example td { padding: 6px 10px; border-bottom: 1px solid #f0fdf4; }
.bom-example td:last-child { text-align: right; }

.bom-options {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  font-size: 13px;
  color: var(--text-light);
}
.bom-options input { width: 14px; height: 14px; cursor: pointer; }

.btn-start-bom {
  background: var(--primary);
  color: #fff;
  padding: 12px 48px;
  border-radius: 4px;
  font-size: 15px;
  font-weight: 600;
  display: block;
  margin: 0 auto;
  transition: background 0.2s;
}
.btn-start-bom:hover { background: var(--primary-dark); }

/* ==================== 关于我们页面 ==================== */
.section {
  padding: 48px 0;
}
.section-gray { background: #f0fdf4; }
.section-title {
  text-align: center;
  margin-bottom: 36px;
}
.section-title h2 {
  font-size: 26px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}
.section-title p { font-size: 14px; color: var(--text-light); }
.title-bar {
  width: 40px;
  height: 3px;
  background: var(--primary);
  margin: 12px auto 0;
  border-radius: 2px;
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 48px;
  align-items: start;
}
.about-img {
  background: linear-gradient(135deg, #166534, #16a34a);
  border-radius: 16px;
  padding: 48px 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 280px;
  box-shadow: 0 8px 32px rgba(22,163,74,0.25);
}
.about-text h2 { font-size: 20px; font-weight: 700; color: var(--text); margin-bottom: 16px; border-left: 4px solid var(--primary); padding-left: 12px; }
.about-text p { font-size: 14px; color: var(--text-light); line-height: 1.9; margin-bottom: 14px; }
.about-highlight {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 24px;
  padding: 24px;
  background: linear-gradient(135deg, #f0fdf4, #d1e7dd);
  border-radius: 12px;
  border: 1px solid #d8b4e8;
}
.highlight-item { text-align: center; }
.highlight-item .num { font-size: 24px; font-weight: 900; color: var(--primary); }
.highlight-item .label { font-size: 12px; color: var(--text-light); margin-top: 4px; }
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.adv-card {
  background: #fff;
  border-radius: 12px;
  padding: 28px 20px;
  text-align: center;
  border: 1px solid #d1e7dd;
  transition: all 0.25s;
  box-shadow: var(--shadow);
}
.adv-card:hover { transform: translateY(-4px); box-shadow: 0 8px 32px rgba(22,163,74,0.15); border-color: var(--primary); }
.adv-icon { font-size: 40px; margin-bottom: 12px; }
.adv-title { font-size: 16px; font-weight: 700; color: var(--text); margin-bottom: 10px; }
.adv-text { font-size: 13px; color: var(--text-light); line-height: 1.7; }

/* ==================== 联系我们页面 ==================== */
.contact-grid {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 24px;
  margin-bottom: 32px;
}
.contact-info-card {
  background: #fff;
  border-radius: 12px;
  padding: 24px;
  border: 1px solid #d1e7dd;
  box-shadow: var(--shadow);
}
.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid #f0fdf4;
}
.contact-info-item:last-child { border-bottom: none; }
.contact-icon { font-size: 22px; flex-shrink: 0; margin-top: 2px; }
.contact-info-text .label { font-size: 12px; color: var(--text-lighter); margin-bottom: 3px; }
.contact-info-text .value { font-size: 15px; font-weight: 600; color: var(--text); }
.bank-info {
  background: linear-gradient(135deg, #f0fdf4, #d1e7dd);
  border-radius: 12px;
  padding: 20px;
  border: 1px solid #d8b4e8;
}
.bank-info h4 { font-size: 14px; font-weight: 700; color: var(--text); margin-bottom: 12px; }
.bank-info-row { font-size: 13px; color: var(--text-light); margin-bottom: 6px; }
.bank-info-row .key { color: var(--text-lighter); }
.bank-info-row .val { font-weight: 600; color: var(--text); }
.contact-form {
  background: #fff;
  border-radius: 12px;
  padding: 28px;
  border: 1px solid #d1e7dd;
  box-shadow: var(--shadow);
}
.form-title { font-size: 18px; font-weight: 700; color: var(--text); margin-bottom: 20px; padding-bottom: 12px; border-bottom: 2px solid var(--primary); }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 13px; font-weight: 600; color: var(--text); margin-bottom: 6px; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px 14px;
  font-size: 13px;
  color: var(--text);
  transition: border-color 0.2s;
  background: #fff;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(22,163,74,0.1); }
.form-group textarea { height: 140px; resize: vertical; }
.btn-submit {
  width: 100%;
  background: var(--primary);
  color: #fff;
  padding: 12px;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}
.btn-submit:hover { background: var(--primary-dark); }

/* ==================== 帮助中心侧边栏 ==================== */
.help-page-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 20px;
  max-width: 1280px;
  margin: 0 auto;
  padding: 24px 20px;
}
.help-sidebar { }
.help-sidebar-header {
  background: var(--primary-mid);
  color: #fff;
  padding: 14px 18px;
  font-size: 16px;
  font-weight: 700;
}
.help-sidebar-body {
  background: #fff;
  border: 1px solid var(--border);
  border-top: none;
}
.help-accordion { border-bottom: 1px solid var(--border); }
.help-accordion-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  transition: color 0.2s;
}
.help-accordion-title:hover { color: var(--primary); }
.help-accordion-toggle { font-size: 12px; color: var(--text-lighter); }
.help-accordion-items { }
.help-accordion-item {
  display: block;
  padding: 9px 18px 9px 30px;
  font-size: 13px;
  color: var(--text-light);
  border-bottom: 1px solid #f8f8f8;
  transition: all 0.2s;
  position: relative;
}
.help-accordion-item:hover { color: var(--primary); }
.help-accordion-item.active {
  color: var(--primary);
  font-weight: 600;
  border-left: 3px solid var(--primary);
  padding-left: 27px;
}

.help-contact-card {
  background: #fff;
  border: 1px solid var(--border);
  margin-top: 16px;
  padding: 20px;
}
.help-contact-card-header {
  background: var(--primary-mid);
  color: #fff;
  padding: 12px 16px;
  font-size: 14px;
  font-weight: 600;
  margin: -20px -20px 16px;
}
.help-contact-icon { font-size: 40px; text-align: center; margin-bottom: 10px; }
.help-contact-info { font-size: 13px; color: var(--text-light); text-align: center; line-height: 2; }

.help-content {
  background: #fff;
  border: 1px solid var(--border);
  padding: 32px 40px;
}
.help-content h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  text-align: center;
  margin-bottom: 32px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}
.help-content p { font-size: 14px; color: var(--text-light); line-height: 1.9; margin-bottom: 14px; }
.help-content strong { color: var(--text); }
.help-content h4 { font-size: 14px; font-weight: 700; color: var(--text); margin: 20px 0 10px; }

.addr-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid #f0fdf4;
  font-size: 14px;
  color: var(--text);
}
.addr-icon { font-size: 18px; flex-shrink: 0; margin-top: 1px; }
.addr-company-name { font-size: 18px; font-weight: 700; color: var(--text); margin-bottom: 16px; }

.related-news { margin-top: 32px; padding-top: 20px; border-top: 2px solid var(--primary); }
.related-news-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.related-news-title::before {
  content: '';
  width: 4px;
  height: 16px;
  background: var(--primary);
  display: block;
}
.related-news-item {
  display: flex;
  justify-content: space-between;
  padding: 9px 0;
  border-bottom: 1px solid #f0fdf4;
  font-size: 13px;
  color: var(--text-light);
  cursor: pointer;
  transition: color 0.2s;
}
.related-news-item:hover { color: var(--primary); }
.related-news-date { color: var(--text-lighter); font-size: 12px; }

/* ==================== 右侧浮动 ==================== */
.float-sidebar {
  position: fixed;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  z-index: 500;
  display: flex;
  flex-direction: column;
}
.float-btn {
  width: 50px;
  height: 50px;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  cursor: pointer;
  transition: background 0.2s;
  border-bottom: 1px solid rgba(255,255,255,0.15);
  position: relative;
}
.float-btn:hover { background: var(--primary-dark); }
.float-btn:first-child { border-radius: 6px 0 0 0; }
.float-btn:last-child { border-bottom: none; border-radius: 0 0 0 6px; }
.float-tip {
  position: absolute;
  right: 58px;
  background: rgba(0,0,0,0.75);
  color: #fff;
  padding: 5px 10px;
  border-radius: 4px;
  font-size: 12px;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all 0.15s;
  pointer-events: none;
}
.float-tip::after {
  content: '';
  position: absolute;
  right: -5px;
  top: 50%;
  transform: translateY(-50%);
  border: 5px solid transparent;
  border-left-color: rgba(0,0,0,0.75);
  border-right: none;
}
.float-btn:hover .float-tip { opacity: 1; visibility: visible; }
.float-top-btn {
  width: 50px;
  height: 44px;
  background: #bbb;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  cursor: pointer;
  transition: background 0.2s;
  margin-top: 4px;
  border-radius: 0 0 0 6px;
}
.float-top-btn:hover { background: var(--primary); }

/* 左侧浮动 */
.float-left {
  position: fixed;
  left: 10px;
  bottom: 60px;
  z-index: 500;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.float-left-btn {
  width: 36px;
  height: 36px;
  background: rgba(22,163,74,0.5);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  cursor: pointer;
  transition: background 0.2s;
}
.float-left-btn:hover { background: var(--primary); }

/* ==================== 页脚 ==================== */
.footer {
  background: #1a0a2e;
  color: rgba(255,255,255,0.7);
  padding: 48px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2.5fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 40px;
  max-width: 1280px;
  margin-left: auto;
  margin-right: auto;
  padding: 0 20px;
}
.footer-logo-text {
  font-size: 30px;
  font-weight: 900;
  font-style: italic;
  color: #fff;
  letter-spacing: -1px;
  margin-bottom: 4px;
}
.footer-logo-sub {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 4px;
  color: var(--primary-light);
  margin-bottom: 16px;
}
.footer-about-text { font-size: 13px; line-height: 1.8; margin-bottom: 14px; }
.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 13px;
  margin-bottom: 7px;
  color: rgba(255,255,255,0.65);
}
.footer-contact-item .ico { color: var(--primary-light); flex-shrink: 0; }
.footer-col-title {
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.footer-link-list { display: flex; flex-direction: column; gap: 8px; }
.footer-link-list a {
  font-size: 13px;
  color: rgba(255,255,255,0.6);
  transition: color 0.2s;
  display: flex;
  align-items: center;
  gap: 5px;
}
.footer-link-list a::before { content: '›'; color: var(--primary-light); }
.footer-link-list a:hover { color: #fff; }
.footer-bank {
  font-size: 13px;
  color: rgba(255,255,255,0.65);
  line-height: 2;
}
.footer-bank strong { color: rgba(255,255,255,0.9); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: rgba(255,255,255,0.35);
  max-width: 1280px;
  margin: 0 auto;
}
.footer-bottom a { color: rgba(255,255,255,0.35); }
.footer-bottom a:hover { color: rgba(255,255,255,0.7); }

/* ==================== 统计区 ==================== */
.stats-bar {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  padding: 36px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}
.stat-item {
  text-align: center;
  padding: 16px;
  border-right: 1px solid rgba(255,255,255,0.2);
}
.stat-item:last-child { border-right: none; }
.stat-num {
  font-size: 40px;
  font-weight: 900;
  color: #fff;
  line-height: 1;
  margin-bottom: 6px;
}
.stat-label { font-size: 13px; color: rgba(255,255,255,0.8); }

/* ==================== 登录/注册页面 ==================== */
.auth-page {
  min-height: 100vh;
  background: linear-gradient(135deg, #1a0a2e 0%, #14532d 40%, #166534 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  position: relative;
  overflow: hidden;
}
.auth-bg-pattern {
  position: absolute;
  inset: 0;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='1'%3E%3Ccircle cx='30' cy='30' r='4'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.auth-container {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 440px;
}
.auth-logo {
  text-align: center;
  margin-bottom: 32px;
}
.auth-logo-text {
  font-size: 48px;
  font-weight: 900;
  font-style: italic;
  color: #fff;
  letter-spacing: -2px;
}
.auth-logo-sub {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 5px;
  color: var(--primary-light);
  margin-top: 4px;
}
.auth-logo-desc {
  font-size: 13px;
  color: rgba(255,255,255,0.55);
  margin-top: 8px;
}
.auth-card {
  background: #fff;
  border-radius: 16px;
  padding: 36px;
  box-shadow: 0 24px 64px rgba(0,0,0,0.3);
}
.auth-card-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
}
.auth-card-subtitle {
  font-size: 13px;
  color: var(--text-lighter);
  margin-bottom: 28px;
}
.auth-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 24px;
  background: #f0fdf4;
  border-radius: 8px;
  padding: 4px;
}
.auth-tab {
  flex: 1;
  padding: 8px;
  text-align: center;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-lighter);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
}
.auth-tab.active {
  background: var(--primary);
  color: #fff;
  font-weight: 600;
}
.auth-form-group {
  margin-bottom: 18px;
}
.auth-form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 7px;
}
.auth-form-group input {
  width: 100%;
  height: 44px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  padding: 0 14px;
  font-size: 14px;
  color: var(--text);
  transition: border-color 0.2s;
  background: #fff;
}
.auth-form-group input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(22,163,74,0.1);
}
.auth-form-group input::placeholder { color: #ccc; }
.auth-input-icon {
  position: relative;
}
.auth-input-icon input { padding-left: 42px; }
.auth-input-icon .icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 16px;
  color: var(--text-lighter);
}
.auth-options {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  font-size: 13px;
}
.auth-options label { display: flex; align-items: center; gap: 6px; color: var(--text-light); cursor: pointer; }
.auth-options a { color: var(--primary); }
.auth-btn {
  width: 100%;
  height: 46px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
  letter-spacing: 1px;
}
.auth-btn:hover { background: var(--primary-dark); }
.auth-divider {
  text-align: center;
  font-size: 13px;
  color: var(--text-lighter);
  margin: 20px 0;
  position: relative;
}
.auth-divider::before, .auth-divider::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 40%;
  height: 1px;
  background: var(--border);
}
.auth-divider::before { left: 0; }
.auth-divider::after { right: 0; }
.auth-other-link {
  text-align: center;
  font-size: 13px;
  color: var(--text-light);
}
.auth-other-link a { color: var(--primary); font-weight: 600; }
.auth-features {
  margin-top: 28px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.auth-feature {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: rgba(255,255,255,0.65);
}
.auth-feature-icon { font-size: 16px; }
.auth-back-link {
  text-align: center;
  margin-top: 20px;
}
.auth-back-link a {
  font-size: 13px;
  color: rgba(255,255,255,0.6);
  transition: color 0.2s;
}
.auth-back-link a:hover { color: #fff; }

/* ==================== 特色服务卡片 ==================== */
.features-section {
  padding: 0 0 60px;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}
.feature-card {
  background: #fff;
  border-radius: 12px;
  padding: 28px 20px;
  text-align: center;
  border: 1px solid #d1e7dd;
  transition: all 0.25s;
  box-shadow: var(--shadow);
}
.feature-card:hover { transform: translateY(-4px); box-shadow: 0 8px 32px rgba(22,163,74,0.15); }
.feature-icon { font-size: 44px; margin-bottom: 14px; }
.feature-title { font-size: 16px; font-weight: 700; color: var(--text); margin-bottom: 8px; }
.feature-desc { font-size: 13px; color: var(--text-light); line-height: 1.7; }

/* ==================== 优势条带 ==================== */
.adv-strip {
  background: #fff;
  border-bottom: 1px solid #d1e7dd;
  border-top: 1px solid #d1e7dd;
}
.adv-strip-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.adv-strip-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 24px;
  border-right: 1px solid #d1e7dd;
  transition: background 0.2s;
}
.adv-strip-item:last-child { border-right: none; }
.adv-strip-item:hover { background: #f0fdf4; }
.adv-strip-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, #d1e7dd, #d8b4e8);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.adv-strip-icon svg { width: 22px; height: 22px; }
.adv-strip-text {}
.adv-strip-title { font-size: 14px; font-weight: 700; color: var(--text); margin-bottom: 2px; }
.adv-strip-sub { font-size: 12px; color: var(--text-light); }

/* ==================== 热销产品 ==================== */
.hot-products-wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px 60px;
}
.hot-products-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 20px;
  border-bottom: 2px solid #d1e7dd;
}
.hot-products-tab {
  padding: 10px 22px;
  font-size: 14px;
  color: var(--text-light);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all 0.2s;
  white-space: nowrap;
}
.hot-products-tab.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: 600; }
.hot-products-tab:hover { color: var(--primary); }
.hot-products-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
}
.hot-product-card {
  background: #fff;
  border: 1px solid #d1e7dd;
  border-radius: 8px;
  padding: 14px;
  cursor: pointer;
  transition: all 0.22s;
  position: relative;
  overflow: hidden;
}
.hot-product-card:hover { box-shadow: 0 6px 24px rgba(22,163,74,0.15); border-color: var(--primary); transform: translateY(-2px); }
.hot-product-img {
  width: 100%;
  aspect-ratio: 1;
  background: linear-gradient(135deg, #f0fdf4, #d1e7dd);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 10px;
  overflow: hidden;
  font-size: 40px;
}
.hot-product-img img { width: 100%; height: 100%; object-fit: cover; }
.hot-product-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  background: #16a34a;
  color: #fff;
  font-size: 10px;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 3px;
  letter-spacing: 0.5px;
}
.hot-product-badge.new { background: #f59e0b; }
.hot-product-badge.hot { background: #ef4444; }
.hot-product-model {
  font-size: 12px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 3px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.hot-product-brand {
  font-size: 11px;
  color: var(--text-lighter);
  margin-bottom: 5px;
}
.hot-product-type {
  font-size: 11px;
  color: var(--text-light);
  margin-bottom: 8px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.hot-product-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.hot-product-stock {
  font-size: 11px;
  color: #16a34a;
  font-weight: 600;
}
.hot-product-btn {
  font-size: 11px;
  background: #f0fdf4;
  color: var(--primary);
  border: 1px solid #d1e7dd;
  padding: 3px 9px;
  border-radius: 3px;
  cursor: pointer;
  transition: all 0.15s;
}
.hot-product-btn:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ==================== 采购流程 ==================== */
.process-section {
  background: linear-gradient(135deg, #1a0a2e 0%, #14532d 100%);
  padding: 52px 0;
  position: relative;
  overflow: hidden;
}
.process-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23a855c8' fill-opacity='0.05'%3E%3Ccircle cx='30' cy='30' r='8'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.process-inner {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}
.process-title {
  text-align: center;
  color: #fff;
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: 2px;
}
.process-subtitle {
  text-align: center;
  color: rgba(255,255,255,0.5);
  font-size: 13px;
  margin-bottom: 40px;
  letter-spacing: 4px;
}
.process-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  position: relative;
}
.process-steps::before {
  content: '';
  position: absolute;
  top: 30px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: rgba(168,85,200,0.3);
  z-index: 0;
}
.process-step {
  text-align: center;
  position: relative;
  z-index: 1;
  padding: 0 10px;
}
.process-step-num {
  width: 60px;
  height: 60px;
  border: 2px solid rgba(168,85,200,0.6);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  background: rgba(22,163,74,0.2);
  font-size: 22px;
  color: #4ade80;
  transition: all 0.25s;
}
.process-step:hover .process-step-num {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  transform: scale(1.1);
}
.process-step-title {
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 8px;
}
.process-step-desc {
  font-size: 12px;
  color: rgba(255,255,255,0.5);
  line-height: 1.6;
}

/* ==================== 品牌跑马灯 ==================== */
.brand-ticker {
  background: #fff;
  border-top: 1px solid #d1e7dd;
  border-bottom: 1px solid #d1e7dd;
  padding: 16px 0;
  overflow: hidden;
}
.brand-ticker-inner {
  display: flex;
  gap: 40px;
  animation: tickerScroll 30s linear infinite;
  white-space: nowrap;
}
.brand-ticker-inner:hover { animation-play-state: paused; }
@keyframes tickerScroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
.brand-ticker-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 20px;
  border: 1px solid #d1e7dd;
  border-radius: 4px;
  font-size: 13px;
  font-weight: 700;
  color: #555;
  white-space: nowrap;
  flex-shrink: 0;
  transition: all 0.2s;
}
.brand-ticker-item:hover { color: var(--primary); border-color: var(--primary); background: #f0fdf4; }
.brand-ticker-dot { width: 6px; height: 6px; background: var(--primary); border-radius: 50%; }

/* ==================== 询价快捷栏 ==================== */
.inquiry-quick-bar {
  background: linear-gradient(90deg, #16a34a, #15803d);
  padding: 0;
}
.inquiry-quick-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  min-height: 64px;
  gap: 24px;
}
.inquiry-quick-label {
  color: rgba(255,255,255,0.8);
  font-size: 13px;
  white-space: nowrap;
  flex-shrink: 0;
}
.inquiry-quick-input {
  flex: 1;
  display: flex;
  align-items: center;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 4px;
  overflow: hidden;
  height: 36px;
}
.inquiry-quick-input input {
  flex: 1;
  background: transparent;
  color: #fff;
  font-size: 13px;
  padding: 0 12px;
}
.inquiry-quick-input input::placeholder { color: rgba(255,255,255,0.5); }
.inquiry-quick-input button {
  background: rgba(255,255,255,0.2);
  color: #fff;
  padding: 0 16px;
  height: 36px;
  font-size: 13px;
  font-weight: 600;
  border-left: 1px solid rgba(255,255,255,0.2);
  transition: background 0.2s;
  white-space: nowrap;
}
.inquiry-quick-input button:hover { background: rgba(255,255,255,0.3); }
.inquiry-quick-tags {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}
.inquiry-quick-tag {
  font-size: 11px;
  color: rgba(255,255,255,0.7);
  border: 1px solid rgba(255,255,255,0.3);
  padding: 3px 10px;
  border-radius: 2px;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}
.inquiry-quick-tag:hover { background: rgba(255,255,255,0.15); color: #fff; }

/* ==================== 固定顶部导航栏 ==================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

/* ==================== 右侧联系侧边栏 (新版) ==================== */
.contact-sidebar {
  position: fixed;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  z-index: 900;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.contact-sidebar-item {
  position: relative;
  width: 50px;
  height: 50px;
  background: #16a34a;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border-bottom: 1px solid rgba(255,255,255,0.15);
  transition: background 0.2s;
  overflow: visible;
}
.contact-sidebar-item:first-child { border-radius: 6px 0 0 0; }
.contact-sidebar-item:last-child { border-bottom: none; border-radius: 0 0 0 6px; }
.contact-sidebar-item:hover { background: #15803d; }
.contact-sidebar-panel {
  position: absolute;
  right: 58px;
  top: 50%;
  transform: translateY(-50%);
  background: #fff;
  border: 1px solid #d1e7dd;
  border-radius: 6px;
  box-shadow: 0 4px 20px rgba(22,163,74,0.15);
  min-width: 200px;
  padding: 16px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.2s;
  pointer-events: none;
  white-space: nowrap;
}
.contact-sidebar-panel::after {
  content: '';
  position: absolute;
  right: -8px;
  top: 50%;
  transform: translateY(-50%);
  border: 8px solid transparent;
  border-left-color: #d1e7dd;
  border-right: none;
}
.contact-sidebar-item:hover .contact-sidebar-panel {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}
.contact-sidebar-panel-title {
  font-size: 12px;
  color: #9ca3af;
  margin-bottom: 8px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.contact-sidebar-panel-value {
  font-size: 18px;
  font-weight: 700;
  color: #16a34a;
  margin-bottom: 4px;
}
.contact-sidebar-panel-sub {
  font-size: 12px;
  color: #6b7280;
}
.contact-sidebar-back-top {
  position: fixed;
  right: 0;
  top: calc(50% + 100px + 8px);
  width: 50px;
  height: 44px;
  background: #9ca3af;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border-radius: 0 0 0 6px;
  transition: background 0.2s;
  font-size: 18px;
  z-index: 900;
}
.contact-sidebar-back-top:hover { background: #16a34a; }

/* ==================== 公告栏SVG图标 ==================== */
.announce-search button svg { pointer-events: none; }

/* ==================== 响应式 ==================== */
@media (max-width: 1024px) {
  .brands-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .news-featured { grid-template-columns: 1fr; }
  .news-cols { grid-template-columns: 1fr; }
  .advantages-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .about-highlight { grid-template-columns: repeat(2, 1fr); }
  .hot-products-grid { grid-template-columns: repeat(3, 1fr); }
  .process-steps { grid-template-columns: repeat(3, 1fr); }
  .adv-strip-inner { grid-template-columns: repeat(2, 1fr); }
  .inquiry-quick-tags { display: none; }
}
@media (max-width: 768px) {
  .hero { height: 320px; }
  .hero-title, .hero-subtitle { font-size: 26px; }
  .about-layout { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .products-page-layout { grid-template-columns: 1fr; }
  .bom-page-layout { grid-template-columns: 1fr; }
  .help-page-layout { grid-template-columns: 1fr; }
  .news-layout { grid-template-columns: 1fr; }
  .float-left, .float-sidebar { display: none; }
  .top-bar-welcome { display: none; }
  .announce-search { width: 200px; }
  .advantages-grid { grid-template-columns: 1fr 1fr; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .hot-products-grid { grid-template-columns: repeat(2, 1fr); }
  .process-steps { grid-template-columns: repeat(2, 1fr); }
  .process-steps::before { display: none; }
  .adv-strip-inner { grid-template-columns: 1fr 1fr; }
}