/* ============================================================
   pmx 主题全站样式 — Probemart 探头之家
   设计令牌 + 基础 + 布局 + 组件 + 页面，单文件，无第三方依赖
   断点: 640px (sm) / 960px (md) / 1200px (lg)
   ============================================================ */

/* ========== 1. 设计令牌 ========== */
:root {
  /* 品牌色 — 科技蓝主色 + 活力橙 CTA */
  --c-primary: #0066cc;
  --c-primary-dark: #004b96;
  --c-primary-deep: #003a75;
  --c-primary-light: #e8f1fc;
  --c-primary-lighter: #f2f8fe;
  --c-accent: #ff6a00;
  --c-accent-dark: #d95800;
  --c-accent-light: #fff1e6;
  --c-success: #00a854;
  --c-warning: #ff9900;
  --c-danger: #e54545;

  /* 中性 */
  --c-text: #1b1e24;
  --c-text-2: #525966;
  --c-text-3: #8a919c;
  --c-border: #e6e8ed;
  --c-border-2: #d5d9e0;
  --c-bg: #f5f6f8;
  --c-bg-2: #ffffff;
  --c-bg-3: #eef1f5;

  /* 字号 */
  --fs-xs: 12px;
  --fs-sm: 13px;
  --fs-base: 14px;
  --fs-md: 16px;
  --fs-lg: 18px;
  --fs-xl: 22px;
  --fs-2xl: 28px;
  --fs-3xl: 36px;
  --fs-4xl: 44px;

  /* 行高 */
  --lh-tight: 1.25;
  --lh-base: 1.6;
  --lh-loose: 1.8;

  /* 间距 */
  --sp-1: 4px;
  --sp-2: 8px;
  --sp-3: 12px;
  --sp-4: 16px;
  --sp-5: 24px;
  --sp-6: 32px;
  --sp-7: 48px;
  --sp-8: 64px;
  --sp-9: 88px;

  /* 圆角 */
  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 18px;
  --r-xl: 22px;
  --r-pill: 999px;

  /* 阴影 */
  --sh-sm: 0 1px 3px rgba(16,24,40,.05), 0 1px 2px rgba(16,24,40,.03);
  --sh-md: 0 8px 22px rgba(16,24,40,.08);
  --sh-lg: 0 16px 40px rgba(16,24,40,.12);
  --sh-primary: 0 8px 20px rgba(0,102,204,.28);

  /* 布局 */
  --w-max: 1200px;
  --h-header: 68px;

  /* 过渡 */
  --t-fast: .18s ease;
  --t-base: .28s ease;
}

/* ========== 2. reset / base ========== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
  font-size: var(--fs-base);
  line-height: var(--lh-base);
  color: var(--c-text);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { color: var(--c-primary); text-decoration: none; transition: color var(--t-fast); }
a:hover { color: var(--c-primary-dark); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
button, input, select, textarea { font: inherit; color: inherit; border: none; outline: none; background: none; }
button { cursor: pointer; }
table { border-collapse: collapse; width: 100%; }
::selection { background: var(--c-primary); color: #fff; }

/* ========== 3. 布局 ========== */
.container { max-width: var(--w-max); margin: 0 auto; padding: 0 var(--sp-4); }
@media (min-width: 960px) { .container { padding: 0 var(--sp-5); } }

.section { padding: var(--sp-8) 0; }
@media (max-width: 639px) { .section { padding: var(--sp-7) 0; } }

.section-head { text-align: center; margin-bottom: var(--sp-6); }
.section-head .section-title {
  font-size: var(--fs-2xl);
  font-weight: 700;
  color: var(--c-text);
  line-height: 1.3;
}
@media (max-width: 639px) { .section-head .section-title { font-size: var(--fs-xl); } }
.section-head .section-sub {
  font-size: var(--fs-md);
  color: var(--c-text-3);
  margin-top: var(--sp-2);
}
.section-title {
  font-size: var(--fs-xl);
  font-weight: 700;
  text-align: center;
  margin-bottom: var(--sp-6);
  color: var(--c-text);
  position: relative;
}
.section-title::after {
  content: '';
  display: block;
  width: 44px;
  height: 4px;
  background: linear-gradient(90deg, var(--c-primary), var(--c-accent));
  margin: var(--sp-3) auto 0;
  border-radius: 2px;
}
/* 左对齐标题：装饰条跟随文字左边界，不能仍按居中定位 */
.section-title.tl,
.section-title[style*="text-align:left"],
.section-title[style*="text-align: left"] { text-align: left; }
.section-title.tl::after,
.section-title[style*="text-align:left"]::after,
.section-title[style*="text-align: left"]::after { margin-left: 0; }
.section-head[style*="text-align:left"] .section-title::after,
.section-head[style*="text-align: left"] .section-title::after { margin-left: 0; }
.section-more {
  text-align: center;
  margin-top: var(--sp-6);
}

/* grid */
.grid { display: grid; gap: var(--sp-5); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-5 { grid-template-columns: repeat(5, 1fr); }
.grid-6 { grid-template-columns: repeat(6, 1fr); }
@media (max-width: 959px) {
  .grid-4, .grid-5, .grid-6 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 639px) {
  .grid-2, .grid-3, .grid-4, .grid-5, .grid-6 { grid-template-columns: 1fr; }
}

/* ========== 4. 顶部导航 ========== */
.header {
  background: var(--c-bg-2);
  border-bottom: 1px solid var(--c-border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 8px rgba(16,24,40,.04);
}
.header-inner {
  display: flex;
  align-items: center;
  height: var(--h-header);
  gap: var(--sp-5);
}
.header-logo { flex-shrink: 0; display: flex; align-items: center; gap: var(--sp-3); }
.header-logo img { height: 40px; width: auto; }
.header-logo-text {
  font-size: var(--fs-lg);
  font-weight: 700;
  color: var(--c-primary-deep);
  letter-spacing: .5px;
}
.header-nav { display: flex; gap: var(--sp-1); flex: 1; justify-content: center; }
.header-nav a {
  padding: var(--sp-2) var(--sp-3);
  border-radius: var(--r-sm);
  color: var(--c-text-2);
  font-size: var(--fs-md);
  font-weight: 500;
  transition: background var(--t-fast), color var(--t-fast);
  text-decoration: none;
  white-space: nowrap;
}
.header-nav a:hover,
.header-nav a.active {
  background: var(--c-primary-light);
  color: var(--c-primary);
  text-decoration: none;
}
.header-actions { display: flex; align-items: center; gap: var(--sp-3); flex-shrink: 0; }

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-5);
  border-radius: var(--r-sm);
  font-size: var(--fs-base);
  font-weight: 600;
  transition: all var(--t-fast);
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  line-height: 1.5;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-primary { background: var(--c-primary); color: #fff; }
.btn-primary:hover { background: var(--c-primary-dark); color: #fff; box-shadow: var(--sh-primary); }
.btn-accent { background: linear-gradient(135deg, #ff7a1a, var(--c-accent)); color: #fff; }
.btn-accent:hover { background: linear-gradient(135deg, #ff8a30, var(--c-accent-dark)); color: #fff; box-shadow: 0 8px 20px rgba(255,106,0,.30); }
.btn-outline { border-color: var(--c-primary); color: var(--c-primary); background: transparent; }
.btn-outline:hover { background: var(--c-primary); color: #fff; }
.btn-ghost { border-color: var(--c-border-2); color: var(--c-text-2); background: var(--c-bg-2); }
.btn-ghost:hover { border-color: var(--c-primary); color: var(--c-primary); }
.btn-sm { padding: var(--sp-1) var(--sp-4); font-size: var(--fs-sm); }
.btn-lg { padding: var(--sp-3) var(--sp-7); font-size: var(--fs-md); }
.btn-block { width: 100%; }

/* 汉堡按钮 */
.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border-radius: var(--r-sm);
  color: var(--c-text);
}
.menu-toggle svg { width: 22px; height: 22px; }
@media (max-width: 959px) {
  .header-nav {
    display: none;
    position: absolute;
    top: var(--h-header);
    left: 0;
    right: 0;
    background: var(--c-bg-2);
    border-bottom: 1px solid var(--c-border);
    flex-direction: column;
    padding: var(--sp-3);
    box-shadow: var(--sh-md);
    justify-content: flex-start;
  }
  .header-nav.open { display: flex; }
  .header-nav a { padding: var(--sp-3); border-radius: var(--r-sm); }
  .menu-toggle { display: flex; }
  .header-actions .btn-outline { display: none; }
}

/* ========== 5. 面包屑 ========== */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-4) 0 var(--sp-2);
  font-size: var(--fs-sm);
  color: var(--c-text-3);
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--c-text-2); }
.breadcrumb a:hover { color: var(--c-primary); }
.breadcrumb .sep { color: var(--c-border-2); }

/* ========== 6. Hero 主视觉 ========== */
.hero {
  position: relative;
  background:
    radial-gradient(1200px 500px at 80% -10%, rgba(255,122,26,.18), transparent 60%),
    radial-gradient(900px 500px at 10% 120%, rgba(0,150,255,.20), transparent 60%),
    linear-gradient(135deg, #003a75 0%, #0057a8 45%, #006fd6 100%);
  color: #fff;
  overflow: hidden;
}
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255,255,255,.06) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
}
.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: var(--sp-7);
  align-items: center;
  padding: var(--sp-8) 0;
}
@media (max-width: 959px) {
  .hero-inner { grid-template-columns: 1fr; padding: var(--sp-7) 0; }
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-1) var(--sp-4);
  border-radius: var(--r-pill);
  background: rgba(255,255,255,.14);
  border: 1px solid rgba(255,255,255,.22);
  font-size: var(--fs-sm);
  font-weight: 500;
  margin-bottom: var(--sp-4);
  backdrop-filter: blur(4px);
}
.hero-title {
  font-size: var(--fs-4xl);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: .5px;
  margin-bottom: var(--sp-4);
}
@media (max-width: 639px) { .hero-title { font-size: var(--fs-2xl); } }
.hero-title .accent {
  background: linear-gradient(90deg, #ffb35c, #ff7a1a);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-desc {
  font-size: var(--fs-lg);
  line-height: 1.7;
  color: rgba(255,255,255,.88);
  max-width: 560px;
  margin-bottom: var(--sp-6);
}
.hero-actions { display: flex; gap: var(--sp-4); flex-wrap: wrap; }
.hero-actions .btn { font-size: var(--fs-md); padding: var(--sp-3) var(--sp-6); }
.hero-stats {
  display: flex;
  gap: var(--sp-6);
  margin-top: var(--sp-6);
  flex-wrap: wrap;
}
.hero-stat { text-align: left; }
.hero-stat .num { font-size: var(--fs-2xl); font-weight: 800; color: #fff; }
.hero-stat .label { font-size: var(--fs-sm); color: rgba(255,255,255,.7); margin-top: 2px; }
.hero-figure { position: relative; }
.hero-figure .hero-img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  border-radius: var(--r-lg);
  box-shadow: 0 20px 60px rgba(0,0,0,.35);
  border: 1px solid rgba(255,255,255,.15);
}
.hero-figure .float-card {
  position: absolute;
  background: var(--c-bg-2);
  color: var(--c-text);
  border-radius: var(--r-md);
  box-shadow: var(--sh-lg);
  padding: var(--sp-3) var(--sp-4);
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  font-size: var(--fs-sm);
}
.hero-figure .float-card .dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--c-success);
  flex-shrink: 0;
}
.hero-figure .float-card.fc-1 { top: 16px; left: -18px; }
.hero-figure .float-card.fc-2 { bottom: 24px; right: -12px; }
@media (max-width: 959px) {
  .hero-figure .float-card.fc-1 { left: 8px; }
  .hero-figure .float-card.fc-2 { right: 8px; }
}

/* ========== 7. 卡片 ========== */
.card {
  background: var(--c-bg-2);
  border-radius: var(--r-md);
  overflow: hidden;
  box-shadow: var(--sh-sm);
  transition: box-shadow var(--t-base), transform var(--t-base);
  border: 1px solid var(--c-border);
  display: flex;
  flex-direction: column;
}
.card:hover {
  box-shadow: var(--sh-md);
  transform: translateY(-4px);
}
.card-media {
  position: relative;
  display: block;
  overflow: hidden;
  background: var(--c-bg-3);
}
.card-img {
  width: 100%;
  aspect-ratio: 4/3;
  /* 产品 / 评测 / 资料图多为 1:1 或竖版，用 contain 完整呈现，避免裁切放大失真 */
  object-fit: contain;
  padding: 10px;
  background: #f7f8fb;
  transition: transform .5s ease;
}
/* 新闻 / 方案等实拍图：铺满裁切更自然 */
.card-media.cover .card-img,
.card-img.cover { object-fit: cover; padding: 0; }
.card:hover .card-img { transform: scale(1.06); }
.card-badge {
  position: absolute;
  top: var(--sp-3);
  left: var(--sp-3);
  padding: 2px var(--sp-3);
  border-radius: var(--r-pill);
  background: var(--c-primary);
  color: #fff;
  font-size: var(--fs-xs);
  font-weight: 600;
}
.card-badge.accent { background: linear-gradient(135deg,#ff7a1a,var(--c-accent)); }
.card-body { padding: var(--sp-4); display: flex; flex-direction: column; flex: 1; }
.card-title {
  font-size: var(--fs-md);
  font-weight: 600;
  margin-bottom: var(--sp-2);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: var(--lh-tight);
}
.card-title a { color: var(--c-text); }
.card-title a:hover { color: var(--c-primary); text-decoration: none; }
.card-text {
  font-size: var(--fs-sm);
  color: var(--c-text-2);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.6;
}
.card-meta {
  display: flex;
  gap: var(--sp-3);
  font-size: var(--fs-xs);
  color: var(--c-text-3);
  margin-top: var(--sp-3);
  flex-wrap: wrap;
}
.card-foot {
  margin-top: auto;
  padding-top: var(--sp-3);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
}

/* 产品卡片标签 */
.p-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 10px;
  border-radius: var(--r-pill);
  font-size: var(--fs-xs);
  font-weight: 500;
  line-height: 1.6;
}
.p-tag.brand { background: var(--c-primary-light); color: var(--c-primary); }
.p-tag.place { background: var(--c-bg-3); color: var(--c-text-2); }
.p-tag.hot { background: var(--c-accent-light); color: var(--c-accent); }
.p-tags { display: flex; gap: var(--sp-2); flex-wrap: wrap; margin-bottom: var(--sp-3); }

/* ========== 8. 分类图标卡 ========== */
.cat-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-5) var(--sp-4);
  background: var(--c-bg-2);
  border-radius: var(--r-md);
  border: 1px solid var(--c-border);
  text-align: center;
  text-decoration: none;
  transition: all var(--t-base);
}
.cat-card:hover {
  border-color: var(--c-primary);
  box-shadow: var(--sh-md);
  transform: translateY(-3px);
  text-decoration: none;
}
.cat-card .cat-icon {
  width: 56px;
  height: 56px;
  padding: 7px;
  border-radius: 14px;
  overflow: hidden;
  background: var(--c-bg-3);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--t-base);
}
.cat-card:hover .cat-icon { transform: scale(1.08); }
.cat-card .cat-icon img { width: 100%; height: 100%; object-fit: contain; }
.cat-card .cat-icon svg { width: 26px; height: 26px; color: var(--c-primary); }
.cat-card .cat-name { font-size: var(--fs-base); font-weight: 600; color: var(--c-text); }
.cat-card .cat-count { font-size: var(--fs-xs); color: var(--c-text-3); }

/* 分类 tab */
.cat-tabs { display: flex; gap: var(--sp-2); justify-content: center; flex-wrap: wrap; margin-bottom: var(--sp-6); }
.cat-tab {
  padding: var(--sp-2) var(--sp-5);
  border-radius: var(--r-pill);
  font-size: var(--fs-base);
  font-weight: 500;
  color: var(--c-text-2);
  background: var(--c-bg-2);
  border: 1px solid var(--c-border);
  cursor: pointer;
  transition: all var(--t-fast);
}
.cat-tab:hover { color: var(--c-primary); border-color: var(--c-primary); }
.cat-tab.active { background: var(--c-primary); color: #fff; border-color: var(--c-primary); }
.cat-panel { display: none; }
.cat-panel.active { display: block; }

/* ========== 9. 品牌墙 ========== */
.brand-card {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--sp-4);
  background: var(--c-bg-2);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  overflow: hidden;
  transition: all var(--t-base);
}
.brand-card:hover { border-color: var(--c-primary); box-shadow: var(--sh-sm); transform: translateY(-2px); }
.brand-card img {
  max-height: 52px;
  max-width: 80%;
  object-fit: contain;
  filter: grayscale(.3);
  transition: filter var(--t-base);
}
.brand-card:hover img { filter: grayscale(0); }

/* ========== 10. 表格 ========== */
.table {
  background: var(--c-bg-2);
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid var(--c-border);
}
.table th, .table td {
  padding: var(--sp-3) var(--sp-4);
  text-align: left;
  border-bottom: 1px solid var(--c-border);
  font-size: var(--fs-base);
}
.table th {
  background: var(--c-primary-lighter);
  font-weight: 600;
  font-size: var(--fs-sm);
  color: var(--c-text-2);
  white-space: nowrap;
}
.table tr:last-child td { border-bottom: none; }
.table tr:hover td { background: var(--c-primary-lighter); }
.table.striped tr:nth-child(even) td { background: #fafbfc; }

/* 详情页参数表重排（strip 旧内联样式的影响） */
.spec-table table, .spec-table .table { width: 100%; border: none; }
.spec-table td, .spec-table th {
  padding: 10px 14px !important;
  border: 1px solid var(--c-border) !important;
  font-size: var(--fs-sm) !important;
  color: var(--c-text) !important;
  text-align: center !important;
  background: var(--c-bg-2) !important;
  line-height: 1.6 !important;
  height: auto !important;
}
.spec-table tr:first-child td, .spec-table tr:first-child th {
  background: var(--c-primary-lighter) !important;
  font-weight: 700 !important;
  color: var(--c-primary-deep) !important;
}

/* ========== 11. 表单 ========== */
.form-group { margin-bottom: var(--sp-5); }
.form-label {
  display: block;
  font-size: var(--fs-sm);
  font-weight: 600;
  margin-bottom: var(--sp-2);
  color: var(--c-text-2);
}
.form-label .req { color: var(--c-danger); margin-left: 2px; }
.form-input, .form-textarea, .form-select {
  width: 100%;
  padding: var(--sp-3) var(--sp-4);
  border: 1px solid var(--c-border-2);
  border-radius: var(--r-sm);
  font-size: var(--fs-base);
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
  background: var(--c-bg-2);
}
.form-input:focus, .form-textarea:focus, .form-select:focus {
  border-color: var(--c-primary);
  box-shadow: 0 0 0 3px var(--c-primary-light);
}
.form-textarea { min-height: 130px; resize: vertical; }

/* ========== 12. 筛选/标签 ========== */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  padding: var(--sp-4);
  background: var(--c-bg-2);
  border-radius: var(--r-md);
  border: 1px solid var(--c-border);
  margin-bottom: var(--sp-5);
}
.filter-group { display: flex; align-items: center; gap: var(--sp-2); flex-wrap: wrap; }
.filter-group + .filter-group { margin-left: var(--sp-4); }
.filter-label { font-size: var(--fs-sm); color: var(--c-text-3); font-weight: 600; }
.filter-item {
  padding: var(--sp-1) var(--sp-4);
  border-radius: var(--r-pill);
  border: 1px solid var(--c-border-2);
  font-size: var(--fs-sm);
  color: var(--c-text-2);
  transition: all var(--t-fast);
  text-decoration: none;
}
.filter-item:hover { border-color: var(--c-primary); color: var(--c-primary); text-decoration: none; }
.filter-item.active { background: var(--c-primary); color: #fff; border-color: var(--c-primary); }
.filter-toggle { display: none; }

.tag {
  display: inline-block;
  padding: 2px var(--sp-3);
  border-radius: var(--r-sm);
  font-size: var(--fs-xs);
  background: var(--c-primary-light);
  color: var(--c-primary);
  font-weight: 500;
}
.tag-accent { background: var(--c-accent-light); color: var(--c-accent); }
.tag-success { background: #e8f8f0; color: var(--c-success); }

/* ========== 13. 分页 ========== */
.pagination {
  display: flex;
  justify-content: center;
  gap: var(--sp-2);
  padding: var(--sp-6) 0 var(--sp-2);
  flex-wrap: wrap;
}
.pagination a, .pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  height: 38px;
  padding: 0 var(--sp-3);
  border: 1px solid var(--c-border);
  border-radius: var(--r-sm);
  font-size: var(--fs-sm);
  color: var(--c-text-2);
  transition: all var(--t-fast);
}
.pagination a:hover { border-color: var(--c-primary); color: var(--c-primary); text-decoration: none; }
.pagination .active, .pagination .current { background: var(--c-primary); color: #fff; border-color: var(--c-primary); }
.pagination .disabled { color: var(--c-border-2); pointer-events: none; }

/* ========== 14. 页脚 ========== */
.footer {
  background: #1c2230;
  color: #b8bfcc;
  padding: var(--sp-8) 0 var(--sp-5);
  margin-top: var(--sp-8);
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: var(--sp-6); }
@media (max-width: 959px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 639px) { .footer-grid { grid-template-columns: 1fr; } }
.footer h4 { color: #fff; font-size: var(--fs-md); margin-bottom: var(--sp-4); font-weight: 600; }
.footer a { color: #9aa3b2; display: block; padding: var(--sp-1) 0; font-size: var(--fs-sm); }
.footer a:hover { color: #fff; text-decoration: none; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  margin-top: var(--sp-6);
  padding-top: var(--sp-5);
  text-align: center;
  font-size: var(--fs-xs);
  color: #6b7280;
}
.footer-bottom a { color: #8a919c; display: inline; padding: 0; }

/* ========== 15. 图集 gallery ========== */
.gallery { position: relative; }
.gallery-main {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  border-radius: var(--r-md);
  background: var(--c-bg-3);
  border: 1px solid var(--c-border);
}
.gallery-thumbs {
  display: flex;
  gap: var(--sp-2);
  margin-top: var(--sp-3);
  flex-wrap: wrap;
}
.gallery-thumb {
  width: 72px;
  height: 54px;
  object-fit: cover;
  border-radius: var(--r-sm);
  border: 2px solid var(--c-border);
  cursor: pointer;
  transition: all var(--t-fast);
  background: var(--c-bg-3);
}
.gallery-thumb:hover { border-color: var(--c-primary); }
.gallery-thumb.active { border-color: var(--c-primary); box-shadow: 0 0 0 2px var(--c-primary-light); }

/* ========== 16. 详情页概览 ========== */
.product-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-7);
  margin: var(--sp-4) 0 var(--sp-6);
  align-items: start;
}
@media (max-width: 959px) { .product-hero { grid-template-columns: 1fr; } }
.pmcn-h1 {
  font-size: var(--fs-2xl);
  line-height: 1.35;
  font-weight: 700;
  color: var(--c-text);
  margin-bottom: var(--sp-4);
}
@media (max-width: 639px) { .pmcn-h1 { font-size: var(--fs-xl); } }
.spec-highlights {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-3);
  margin: var(--sp-4) 0;
}
.spec-hl {
  background: var(--c-primary-lighter);
  border: 1px solid var(--c-primary-light);
  border-radius: var(--r-sm);
  padding: var(--sp-3);
  text-align: center;
}
.spec-hl .k { font-size: var(--fs-xs); color: var(--c-text-3); }
.spec-hl .v { font-size: var(--fs-md); font-weight: 700; color: var(--c-primary-dark); margin-top: 2px; }
.info-row { display: flex; padding: var(--sp-2) 0; border-bottom: 1px dashed var(--c-border); font-size: var(--fs-base); }
.info-row .k { width: 80px; color: var(--c-text-3); flex-shrink: 0; }
.info-row .v { color: var(--c-text); }

/* ========== 17. 内容排版 ========== */
.rich-content { line-height: 1.9; color: var(--c-text-2); font-size: var(--fs-md); }
.rich-content p { margin-bottom: var(--sp-4); }
.rich-content img { border-radius: var(--r-sm); margin: var(--sp-3) auto; max-width: 100%; height: auto; }
.rich-content { max-width: 100%; overflow-wrap: break-word; }
.rich-content h2, .rich-content h3, .rich-content h4 { color: var(--c-text); margin: var(--sp-5) 0 var(--sp-3); }
.rich-content ul, .rich-content ol { padding-left: 1.5em; margin-bottom: var(--sp-4); }
.rich-content ul { list-style: disc; }
.rich-content ol { list-style: decimal; }
.rich-content table { margin: var(--sp-4) 0; }
/* 后台正文里粘进来的宽表格在手机上会把整页撑出横向滚动，让它自己滚 */
.rich-content table { display: block; max-width: 100%; overflow-x: auto; }

/* ========== 18. 工具类 ========== */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-primary { color: var(--c-primary); }
.text-muted { color: var(--c-text-3); }
.text-sm { font-size: var(--fs-sm); }
.text-lg { font-size: var(--fs-lg); }
.fw-600 { font-weight: 600; }
.mt-1 { margin-top: var(--sp-1); }
.mt-2 { margin-top: var(--sp-2); }
.mt-3 { margin-top: var(--sp-3); }
.mt-4 { margin-top: var(--sp-4); }
.mt-5 { margin-top: var(--sp-5); }
.mt-6 { margin-top: var(--sp-6); }
.mt-8 { margin-top: var(--sp-8); }
.mb-2 { margin-bottom: var(--sp-2); }
.mb-4 { margin-bottom: var(--sp-4); }
.mb-6 { margin-bottom: var(--sp-6); }
.flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.flex-between { display: flex; justify-content: space-between; align-items: center; gap: var(--sp-3); }
.items-center { align-items: center; }
.gap-2 { gap: var(--sp-2); }
.gap-3 { gap: var(--sp-3); }
.gap-4 { gap: var(--sp-4); }
.hidden { display: none !important; }
.bg-white { background: var(--c-bg-2); }
@media (max-width: 639px) { .hide-sm { display: none; } }

/* 回到顶部 */
#scroll-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--c-primary);
  color: #fff;
  font-size: var(--fs-lg);
  box-shadow: var(--sh-lg);
  z-index: 90;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--t-base);
}
#scroll-top:hover { background: var(--c-primary-dark); transform: translateY(-3px); }

/* 骨架加载占位 */
.img-ph {
  width: 100%;
  aspect-ratio: 4/3;
  background: linear-gradient(100deg, var(--c-bg-3) 40%, #e2e6ec 50%, var(--c-bg-3) 60%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite;
  border-radius: var(--r-sm);
}
@keyframes shimmer { 0% { background-position: 120% 0; } 100% { background-position: -120% 0; } }

/* ========== 16. 通用补充（资料/评测/方案页） ========== */
.section-sub {
  color: var(--c-text-3);
  font-size: var(--fs-base);
  margin-top: var(--sp-2);
  line-height: var(--lh-base);
}
.section-head.center { display: block; text-align: center; }

/* 资料类型入口大卡 */
.entry-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--sp-4); margin-bottom: var(--sp-6); }
.entry-card {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  padding: var(--sp-5);
  background: var(--c-bg-2);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  box-shadow: var(--sh-sm);
  transition: all var(--t-base);
}
.entry-card:hover { transform: translateY(-4px); box-shadow: var(--sh-md); border-color: var(--c-primary-light-2, #d8d0f0); }
.entry-icon {
  width: 44px; height: 44px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  border-radius: 12px;
  background: var(--c-primary-light);
  color: var(--c-primary);
}
.entry-icon svg { width: 21px; height: 21px; }
.entry-card:nth-child(2) .entry-icon { background: #e6f4ff; color: #1a73c9; }
.entry-card:nth-child(3) .entry-icon { background: var(--c-accent-light); color: var(--c-accent); }
.entry-card:nth-child(4) .entry-icon { background: #e8f7ef; color: #1a9c5b; }
.entry-name { display: block; font-size: var(--fs-base); font-weight: 600; color: var(--c-text); }
.entry-desc { display: block; font-size: var(--fs-xs); color: var(--c-text-3); margin-top: 2px; }
.entry-count { margin-left: auto; font-size: var(--fs-lg); font-weight: 700; color: var(--c-primary); font-variant-numeric: tabular-nums; }

/* 宽幅封面（资料/方案卡） */
.card-img.wide { aspect-ratio: 16/10; }
.card-media.flush .card-badge { top: var(--sp-2); left: var(--sp-2); }

/* 卡片底部统计行 */
.doc-stat {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--sp-2);
  margin-top: auto; padding-top: var(--sp-3);
  border-top: 1px solid var(--c-border);
  font-size: var(--fs-xs); color: var(--c-text-3);
}
.doc-stat .n { color: var(--c-text-2); font-weight: 600; font-variant-numeric: tabular-nums; }

/* 空状态 */
.empty-state { text-align: center; padding: var(--sp-8) var(--sp-4); color: var(--c-text-3); }
.empty-state svg { width: 64px; height: 64px; margin: 0 auto var(--sp-4); opacity: .35; }

/* 侧栏（新闻页） */
.with-aside { display: grid; grid-template-columns: 1fr 320px; gap: var(--sp-6); align-items: start; }
.aside-card { background: var(--c-bg-2); border: 1px solid var(--c-border); border-radius: var(--r-md); padding: var(--sp-5); margin-bottom: var(--sp-4); }
.aside-title { font-size: var(--fs-md); font-weight: 600; margin-bottom: var(--sp-3); padding-bottom: var(--sp-3); border-bottom: 2px solid var(--c-primary-light); }
.aside-list { display: flex; flex-direction: column; gap: var(--sp-3); }
.aside-item { display: flex; gap: var(--sp-3); font-size: var(--fs-sm); line-height: var(--lh-base); color: var(--c-text-2); }
.aside-item:hover { color: var(--c-primary); }
.aside-item .idx { flex-shrink: 0; width: 18px; height: 18px; border-radius: 4px; background: var(--c-bg-3); color: var(--c-text-3); font-size: 11px; display: flex; align-items: center; justify-content: center; font-weight: 600; }
.aside-item:nth-child(-n+3) .idx { background: var(--c-primary); color: #fff; }

/* 推荐大卡（新闻顶部 3 条） */
.recomm-top { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-4); margin-bottom: var(--sp-6); }
.recomm-card { position: relative; display: block; border-radius: var(--r-md); overflow: hidden; aspect-ratio: 16/10; background: var(--c-bg-3); }
.recomm-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.recomm-card:hover img { transform: scale(1.05); }
.recomm-card .mask {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,.82) 0%, rgba(0,0,0,.35) 45%, rgba(0,0,0,0) 75%);
  display: flex; align-items: flex-end; padding: var(--sp-4);
}
.recomm-card .t { color: #fff; font-weight: 600; font-size: var(--fs-base); line-height: var(--lh-tight); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

@media (max-width: 1024px) {
  .entry-grid { grid-template-columns: repeat(2, 1fr); }
  .with-aside { grid-template-columns: 1fr; }
  .recomm-top { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .entry-grid { grid-template-columns: 1fr; }
  .entry-card { padding: var(--sp-4); }
}

/* 表单必填标记 */
.form-label .req { color: var(--c-accent); margin-left: 2px; }

/* ============================================================
   17. 全站服务条（顶部）+ 头部升级 + 图文比例
   ============================================================ */
.topbar {
  background: #0b1729;
  color: #9fb0c6;
  font-size: 12.5px;
  line-height: 1;
}
.topbar-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--sp-4); height: 38px;
}
.topbar-l, .topbar-r { display: flex; align-items: center; gap: var(--sp-5); min-width: 0; }
.topbar a, .topbar span { color: #9fb0c6; white-space: nowrap; }
.topbar a:hover { color: #fff; }
.topbar .tb-hi { color: #fff; font-weight: 600; }
.topbar .tb-tel { color: #ffb26b; font-weight: 700; font-size: 13px; letter-spacing: .4px; }
.topbar .tb-tel svg { width: 13px; height: 13px; vertical-align: -2px; margin-right: 5px; }
.topbar .tb-dot { width: 6px; height: 6px; border-radius: 50%; background: #22c55e; display: inline-block; margin-right: 5px; }
.topbar .tb-sep { width: 1px; height: 12px; background: rgba(255,255,255,.14); }
@media (max-width: 767px) {
  .topbar-r { display: none; }
  .topbar-inner { height: 34px; font-size: 12px; }
  .topbar-l { gap: var(--sp-3); }
  .topbar .tb-addr { display: none; }
}

.header { background: rgba(255,255,255,.95); backdrop-filter: saturate(180%) blur(10px); }
.header.is-stuck { box-shadow: 0 6px 24px rgba(12,24,48,.10); }
.header-inner { transition: height .24s ease; }
.header.is-stuck .header-inner { height: 58px; }
.header-logo img { transition: height .24s ease; }
.header.is-stuck .header-logo img { height: 34px; }

.hd-call { display: none; align-items: center; gap: var(--sp-2); }
@media (min-width: 1120px) { .hd-call { display: flex; } }
.hd-call .ico {
  width: 34px; height: 34px; border-radius: 50%;
  background: var(--c-primary-light); color: var(--c-primary);
  display: flex; align-items: center; justify-content: center;
}
.hd-call .ico svg { width: 17px; height: 17px; }
.hd-call b { display: block; font-size: 15px; line-height: 1.12; color: var(--c-primary-deep); font-variant-numeric: tabular-nums; letter-spacing: .2px; }
.hd-call small { display: block; font-size: 11px; color: var(--c-text-3); }

/* 图片比例统一：方图/竖版图不放大裁切 */
.img-ph.wide { aspect-ratio: 16/10; }
.doc-cover { aspect-ratio: 3/4; object-fit: contain; padding: 8px; background: #f7f8fb; width: 100%; }
.p-hero-img { object-fit: contain; background: #fff; }

/* ============================================================
   18. 右侧悬浮客服 dock + 移动端底部条
   ============================================================ */
.dock {
  position: fixed; right: 14px; bottom: 120px; z-index: 120;
  display: flex; flex-direction: column; gap: 8px;
}
.dock-item {
  position: relative; width: 48px; height: 48px; border-radius: 14px;
  background: #fff; border: 1px solid var(--c-border);
  box-shadow: 0 6px 20px rgba(16,24,40,.13);
  display: flex; align-items: center; justify-content: center;
  color: var(--c-primary); transition: all .22s ease;
}
.dock-item:hover, .dock-item.on {
  background: var(--c-primary); border-color: var(--c-primary); color: #fff;
  transform: translateX(-3px); box-shadow: 0 8px 22px rgba(0,102,204,.32);
}
.dock-item.tel:hover, .dock-item.tel.on { background: var(--c-accent); border-color: var(--c-accent); box-shadow: 0 8px 22px rgba(255,106,0,.32); }
.dock-item svg { width: 21px; height: 21px; }
.dock-item .lbl {
  position: absolute; right: calc(100% + 8px); top: 50%;
  transform: translateY(-50%) scale(.94); transform-origin: right center;
  background: #0b1729; color: #fff; font-size: 12px; padding: 5px 10px;
  border-radius: 6px; white-space: nowrap; opacity: 0; pointer-events: none;
  transition: all .18s ease;
}
.dock-item:hover .lbl { opacity: 1; transform: translateY(-50%) scale(1); }
.dock-pop {
  position: absolute; right: calc(100% + 10px); bottom: -6px; width: 190px;
  background: #fff; border-radius: 12px; box-shadow: 0 14px 40px rgba(16,24,40,.2);
  padding: 12px; display: none; text-align: center; border: 1px solid var(--c-border);
}
.dock-pop.on { display: block; animation: popIn .2s ease; }
@keyframes popIn { from { opacity: 0; transform: translateY(6px) scale(.97); } to { opacity: 1; transform: none; } }
.dock-pop img { width: 160px; height: 160px; object-fit: contain; margin: 0 auto 8px; }
.dock-pop .cap { font-size: 12px; color: var(--c-text-3); line-height: 1.5; }
.dock-pop .big { font-size: 15px; font-weight: 700; color: var(--c-primary); margin: 4px 0 8px; font-variant-numeric: tabular-nums; }
.dock-pop .cp { display: inline-block; font-size: 12px; color: var(--c-primary); border: 1px solid var(--c-primary); border-radius: 999px; padding: 2px 12px; }

.mbar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 130;
  display: none; background: rgba(255,255,255,.98);
  border-top: 1px solid var(--c-border);
  box-shadow: 0 -4px 18px rgba(16,24,40,.08);
  padding-bottom: env(safe-area-inset-bottom);
}
.mbar a {
  flex: 1; display: flex; flex-direction: column; align-items: center; gap: 2px;
  padding: 7px 0 6px; font-size: 11px; color: var(--c-text-2); line-height: 1.2;
}
.mbar a svg { width: 20px; height: 20px; }
.mbar a.primary { background: linear-gradient(135deg, #ff7a1a, var(--c-accent)); color: #fff; }
@media (max-width: 767px) {
  .mbar { display: flex; }
  body { padding-bottom: 56px; }
  .dock { display: none; }
}

/* ============================================================
   19. 转化组件：咨询带 / 报价卡 / 联系人
   ============================================================ */
.cta-band {
  position: relative; overflow: hidden;
  background: linear-gradient(115deg, #08213f 0%, #0066cc 58%, #0d8ea8 100%);
  border-radius: var(--r-lg); padding: var(--sp-7);
  color: #fff; display: flex; align-items: center; justify-content: space-between;
  gap: var(--sp-6); flex-wrap: wrap;
}
.cta-band::after {
  content: ""; position: absolute; right: -70px; top: -70px;
  width: 260px; height: 260px; border-radius: 50%; background: rgba(255,255,255,.09);
}
.cta-band::before {
  content: ""; position: absolute; right: 120px; bottom: -100px;
  width: 200px; height: 200px; border-radius: 50%; background: rgba(255,255,255,.06);
}
.cta-band .cta-txt { position: relative; z-index: 1; }
.cta-band h3 { font-size: 26px; line-height: 1.3; margin-bottom: 8px; }
.cta-band p { color: rgba(255,255,255,.84); font-size: var(--fs-md); }
.cta-band .acts { display: flex; gap: var(--sp-3); flex-wrap: wrap; position: relative; z-index: 1; }
.cta-band .btn-white { background: #fff; color: var(--c-primary-deep); }
.cta-band .btn-white:hover { background: #f2f8ff; color: var(--c-primary-deep); }
.cta-band .btn-line { border: 1px solid rgba(255,255,255,.55); color: #fff; }
.cta-band .btn-line:hover { background: rgba(255,255,255,.14); color: #fff; }
@media (max-width: 767px) {
  .cta-band { padding: var(--sp-6) var(--sp-5); }
  .cta-band h3 { font-size: 20px; }
  .cta-band .acts .btn { flex: 1; }
}

.contact-card {
  background: #fff; border: 1px solid var(--c-border); border-radius: var(--r-md);
  padding: var(--sp-5); display: flex; flex-direction: column; gap: var(--sp-2);
  transition: all .22s ease; height: 100%;
}
.contact-card:hover { border-color: var(--c-primary); box-shadow: var(--sh-md); transform: translateY(-3px); }
.contact-card .cc-ico {
  width: 42px; height: 42px; border-radius: 12px; margin-bottom: var(--sp-2);
  background: var(--c-primary-light); color: var(--c-primary);
  display: flex; align-items: center; justify-content: center;
}
.contact-card .cc-ico svg { width: 20px; height: 20px; }
.contact-card .cc-t { font-size: var(--fs-md); font-weight: 700; }
.contact-card .cc-v { font-size: var(--fs-lg); font-weight: 700; color: var(--c-primary); font-variant-numeric: tabular-nums; word-break: break-all; }
.contact-card .cc-d { font-size: var(--fs-xs); color: var(--c-text-3); line-height: 1.6; }
.contact-card.wa .cc-ico { background: #e7f8ee; color: #12a150; }

.person-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--sp-4); }
@media (max-width: 767px) { .person-row { grid-template-columns: 1fr; } }
.person {
  display: flex; gap: var(--sp-4); padding: var(--sp-5);
  background: #fff; border: 1px solid var(--c-border); border-radius: var(--r-md);
  transition: all .22s ease;
}
.person:hover { border-color: var(--c-primary); box-shadow: var(--sh-md); }
.person .av {
  width: 52px; height: 52px; border-radius: 50%; flex-shrink: 0;
  background: linear-gradient(135deg, #0066cc, #2b9bd6); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; font-weight: 700;
}
.person .nm { font-size: var(--fs-md); font-weight: 700; }
.person .role { font-size: var(--fs-xs); color: var(--c-text-3); margin-top: 1px; }
.person .line { font-size: var(--fs-sm); color: var(--c-text-2); margin-top: 7px; }
.person .line b { color: var(--c-primary); font-size: var(--fs-md); font-variant-numeric: tabular-nums; }

.quick-quote {
  border: 1px solid #ffd9b8; background: linear-gradient(180deg, #fff8f1, #fff);
  border-radius: var(--r-md); padding: var(--sp-5); margin-top: var(--sp-5);
}
.quick-quote .qq-t { font-size: var(--fs-md); font-weight: 700; display: flex; align-items: center; gap: 6px; }
.quick-quote .qq-t svg { width: 17px; height: 17px; color: var(--c-accent); }
.quick-quote .qq-d { font-size: var(--fs-xs); color: var(--c-text-3); margin: 4px 0 var(--sp-4); }
.quick-quote .qq-n { font-size: 22px; font-weight: 800; color: var(--c-accent); letter-spacing: .3px; font-variant-numeric: tabular-nums; }
.quick-quote .qq-row { display: flex; gap: var(--sp-2); flex-wrap: wrap; margin-top: var(--sp-3); }
.quick-quote .btn { padding: var(--sp-2) var(--sp-4); font-size: var(--fs-sm); }

/* ============================================================
   20. 关于 / 联系页
   ============================================================ */
.about-hero {
  position: relative; border-radius: var(--r-lg); overflow: hidden;
  background: linear-gradient(115deg, #08213f, #0b4d8f 55%, #12739a);
  color: #fff; padding: var(--sp-8) var(--sp-7);
}
.about-hero h1 { font-size: 34px; line-height: 1.3; margin-bottom: var(--sp-3); }
.about-hero p { color: rgba(255,255,255,.86); font-size: var(--fs-md); line-height: var(--lh-loose); max-width: 720px; }
.about-hero .ah-tags { display: flex; gap: var(--sp-2); flex-wrap: wrap; margin-top: var(--sp-5); }
.about-hero .ah-tags span {
  font-size: var(--fs-xs); padding: 4px 12px; border-radius: 999px;
  background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.22);
}
@media (max-width: 767px) { .about-hero { padding: var(--sp-6) var(--sp-5); } .about-hero h1 { font-size: 24px; } }

.stat-band { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--sp-4); }
@media (max-width: 767px) { .stat-band { grid-template-columns: repeat(2, 1fr); } }
.stat-cell {
  background: #fff; border: 1px solid var(--c-border); border-radius: var(--r-md);
  padding: var(--sp-5) var(--sp-4); text-align: center;
}
.stat-cell .n { font-size: 30px; font-weight: 800; color: var(--c-primary); letter-spacing: -.5px; font-variant-numeric: tabular-nums; }
.stat-cell .n i { font-size: 15px; font-style: normal; margin-left: 2px; }
.stat-cell .t { font-size: var(--fs-sm); color: var(--c-text-3); margin-top: 4px; }

.timeline { position: relative; padding-left: 30px; }
.timeline::before {
  content: ""; position: absolute; left: 7px; top: 6px; bottom: 6px; width: 2px;
  background: linear-gradient(var(--c-primary), #cfe0f5);
}
.tl-item { position: relative; padding-bottom: var(--sp-6); }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: ""; position: absolute; left: -30px; top: 5px; width: 16px; height: 16px;
  border-radius: 50%; background: #fff; border: 3px solid var(--c-primary);
}
.tl-item .yr { font-size: var(--fs-xs); font-weight: 700; color: var(--c-accent); letter-spacing: .5px; }
.tl-item h4 { font-size: var(--fs-md); margin: 2px 0 4px; }
.tl-item p { font-size: var(--fs-sm); color: var(--c-text-2); line-height: var(--lh-loose); }

.svc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-4); }
@media (max-width: 960px) { .svc-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .svc-grid { grid-template-columns: 1fr; } }
.svc {
  background: #fff; border: 1px solid var(--c-border); border-radius: var(--r-md);
  padding: var(--sp-5); transition: all .22s ease;
}
.svc:hover { box-shadow: var(--sh-md); transform: translateY(-3px); border-color: var(--c-primary); }
.svc .si {
  width: 40px; height: 40px; border-radius: 11px; display: flex; align-items: center; justify-content: center;
  background: var(--c-primary-light); color: var(--c-primary); margin-bottom: var(--sp-3);
}
.svc .si svg { width: 20px; height: 20px; }
.svc h4 { font-size: var(--fs-md); margin-bottom: 6px; }
.svc p { font-size: var(--fs-sm); color: var(--c-text-2); line-height: var(--lh-loose); }

.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: var(--sp-3); }
@media (max-width: 960px) { .steps { grid-template-columns: repeat(2, 1fr); } }
.step { position: relative; background: #fff; border: 1px solid var(--c-border); border-radius: var(--r-md); padding: var(--sp-4); }
.step .no {
  width: 26px; height: 26px; border-radius: 50%; background: var(--c-primary); color: #fff;
  font-size: 13px; font-weight: 700; display: flex; align-items: center; justify-content: center; margin-bottom: 10px;
}
.step h5 { font-size: var(--fs-base); margin-bottom: 4px; }
.step p { font-size: var(--fs-xs); color: var(--c-text-3); line-height: 1.65; }

.contact-layout { display: grid; grid-template-columns: 1.1fr .9fr; gap: var(--sp-6); align-items: start; }
@media (max-width: 960px) { .contact-layout { grid-template-columns: 1fr; } }

.info-list { display: flex; flex-direction: column; gap: var(--sp-4); }
.info-row { display: flex; gap: var(--sp-3); }
.info-row .ii {
  width: 36px; height: 36px; flex-shrink: 0; border-radius: 10px;
  background: var(--c-primary-light); color: var(--c-primary);
  display: flex; align-items: center; justify-content: center;
}
.info-row .ii svg { width: 17px; height: 17px; }
.info-row .k { font-size: var(--fs-xs); color: var(--c-text-3); }
.info-row .v { font-size: var(--fs-base); color: var(--c-text); font-weight: 600; line-height: 1.55; }
.info-row .v a { color: var(--c-primary); }

.map-box {
  border-radius: var(--r-md); overflow: hidden; border: 1px solid var(--c-border);
  background: linear-gradient(135deg, #eef4fb, #e6eef8);
  height: 220px; display: flex; align-items: center; justify-content: center;
  text-align: center; color: var(--c-text-2); font-size: var(--fs-sm); padding: var(--sp-5);
}
.map-box .pin { display: block; margin: 0 auto 8px; width: 34px; height: 34px; color: var(--c-primary); }

/* ============================================================
   21. 动效 / 灯箱 / 提示
   ============================================================ */
html.js .reveal { opacity: 0; transform: translateY(20px); transition: opacity .6s cubic-bezier(.22,.61,.36,1), transform .6s cubic-bezier(.22,.61,.36,1); }
html.js .reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .07s; }
.reveal.d2 { transition-delay: .14s; }
.reveal.d3 { transition-delay: .21s; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1 !important; transform: none !important; transition: none; } }

.lb { position: fixed; inset: 0; z-index: 300; background: rgba(8,14,26,.93); display: none; align-items: center; justify-content: center; padding: 24px; }
.lb.on { display: flex; }
.lb img { max-width: 92vw; max-height: 86vh; object-fit: contain; border-radius: 8px; box-shadow: 0 24px 70px rgba(0,0,0,.55); }
.lb .lb-x { position: absolute; top: 16px; right: 22px; color: #fff; font-size: 34px; line-height: 1; opacity: .8; }
.lb .lb-x:hover { opacity: 1; }

.toast {
  position: fixed; left: 50%; bottom: 92px; transform: translate(-50%, 16px);
  background: #0b1729; color: #fff; font-size: 13px; padding: 10px 20px;
  border-radius: 999px; opacity: 0; pointer-events: none; transition: all .25s ease; z-index: 320;
}
.toast.on { opacity: 1; transform: translate(-50%, 0); }

/* FAQ 折叠 */
.faq { border-top: 1px solid var(--c-border); }
.faq-item { border-bottom: 1px solid var(--c-border); }
.faq-q {
  width: 100%; text-align: left; display: flex; align-items: center; justify-content: space-between;
  gap: var(--sp-4); padding: var(--sp-4) 0; font-size: var(--fs-md); font-weight: 600; color: var(--c-text);
}
.faq-q .ar { transition: transform .25s ease; color: var(--c-text-3); }
.faq-item.open .faq-q .ar { transform: rotate(180deg); }
.faq-a { display: none; padding: 0 0 var(--sp-4); font-size: var(--fs-sm); color: var(--c-text-2); line-height: var(--lh-loose); }
.faq-item.open .faq-a { display: block; }

/* 服务条首屏上方留白修正 */
body { padding-top: 0; }

/* ============================================================
   22. 页脚联系块 / 服务承诺条 / 图集修正
   ============================================================ */
.promise-bar { background: #fff; border-top: 1px solid var(--c-border); }
.promise-inner { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--sp-4); padding: var(--sp-5) 0; }
.promise-item { display: flex; align-items: center; gap: var(--sp-3); }
.promise-item .pi {
  width: 38px; height: 38px; border-radius: 11px; flex-shrink: 0;
  background: var(--c-primary-lighter); color: var(--c-primary);
  display: flex; align-items: center; justify-content: center;
}
.promise-item .pi svg { width: 19px; height: 19px; }
.promise-item b { display: block; font-size: var(--fs-base); color: var(--c-text); }
.promise-item small { display: block; font-size: var(--fs-xs); color: var(--c-text-3); }
@media (max-width: 767px) {
  .promise-inner { grid-template-columns: repeat(2, 1fr); padding: var(--sp-4) 0; gap: var(--sp-3); }
  .promise-item small { display: none; }
}

.footer { background: #131a26; padding: var(--sp-8) 0 var(--sp-5); }
.footer-grid { grid-template-columns: 1.75fr .85fr .8fr .95fr; gap: var(--sp-6); }
@media (max-width: 959px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 639px) { .footer-grid { grid-template-columns: 1fr; } }

.footer-contact .fc-line {
  display: flex; gap: var(--sp-2); padding: 0;
  font-size: var(--fs-sm); color: #9aa3b2; line-height: 1.95;
}
.footer-contact .fc-line b { color: #e6eaf0; font-weight: 600; flex: 0 0 58px; }
.footer-contact .fc-line a { display: inline; padding: 0; color: #ffb26b; font-weight: 600; font-size: var(--fs-sm); }
.footer-contact .fc-line a:hover { color: #fff; }
.footer-contact .fc-name { color: #7c8595; font-size: 12px; }
.footer .fc-actions { display: flex; gap: var(--sp-2); margin-top: var(--sp-5); }
.footer .fc-actions .btn { display: inline-flex; padding: 7px 16px; }
.footer .btn-line { border: 1px solid rgba(255,255,255,.28); color: #e6eaf0; background: transparent; }
.footer .btn-line:hover { background: rgba(255,255,255,.1); color: #fff; }
.footer-qr { margin-top: var(--sp-4); display: flex; align-items: center; gap: var(--sp-3); }
.footer-qr img { width: 74px; height: 74px; object-fit: contain; background: #fff; border-radius: 8px; padding: 3px; }
.footer-qr span { font-size: var(--fs-xs); color: #7c8595; line-height: 1.5; }

/* 产品主图：完整不裁切 */
.gallery-main { object-fit: contain; background: #fff; padding: 8px; }

/* ============================================================
   23. 智能选型工具 /selector
   ============================================================ */
.sel-hero {
  background:
    radial-gradient(900px 320px at 12% -10%, #e3efff 0%, rgba(227,239,255,0) 65%),
    radial-gradient(700px 300px at 92% 0%, #e9f7f1 0%, rgba(233,247,241,0) 60%),
    linear-gradient(180deg, #f4f8fe, #f6f8fb);
  border-bottom: 1px solid #e9eff8;
}
.sel-hero-in { padding: var(--sp-7) 0 var(--sp-8); }
.sel-badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: #fff; border: 1px solid #dbe7f7; color: var(--c-primary);
  font-size: 12px; font-weight: 600; padding: 5px 12px; border-radius: 999px;
  box-shadow: 0 2px 8px rgba(16,24,40,.05);
}
.sel-badge i { width: 6px; height: 6px; border-radius: 50%; background: #22c55e; }
.sel-hero h1 { font-size: 36px; line-height: 1.28; margin: var(--sp-4) 0 var(--sp-3); letter-spacing: -.5px; }
.sel-hero h1 em { font-style: normal; background: linear-gradient(90deg, #0066cc, #12a08a); -webkit-background-clip: text; background-clip: text; color: transparent; }
.sel-hero p { font-size: var(--fs-md); color: var(--c-text-2); max-width: 640px; line-height: var(--lh-loose); }
.sel-hero-stats { display: flex; gap: var(--sp-6); margin-top: var(--sp-5); flex-wrap: wrap; }
.sel-hero-stats div { font-size: var(--fs-xs); color: var(--c-text-3); }
.sel-hero-stats b { display: block; font-size: 22px; color: var(--c-text); font-variant-numeric: tabular-nums; letter-spacing: -.3px; }
@media (max-width: 767px) {
  .sel-hero h1 { font-size: 25px; }
  .sel-hero-in { padding: var(--sp-6) 0 var(--sp-7); }
  .sel-hero-stats { gap: var(--sp-4); }
  .sel-hero-stats b { font-size: 18px; }
}

.sel-tabs {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 12px;
  margin-top: -34px; position: relative; z-index: 2;
}
@media (max-width: 960px) { .sel-tabs { grid-template-columns: repeat(2, 1fr); margin-top: -22px; } }
@media (max-width: 480px) { .sel-tabs { grid-template-columns: 1fr; } }
.sel-tab {
  background: #fff; border: 1px solid #e6ecf5; border-radius: 16px;
  padding: 14px 14px 12px; text-align: left; transition: all .2s ease;
  box-shadow: 0 6px 18px rgba(16,24,40,.045);
}
.sel-tab .ic {
  width: 36px; height: 36px; border-radius: 11px; margin-bottom: 10px;
  background: #eef4fd; color: var(--c-primary);
  display: flex; align-items: center; justify-content: center; transition: all .2s ease;
}
.sel-tab .ic svg { width: 19px; height: 19px; }
.sel-tab b { display: block; font-size: 14.5px; color: var(--c-text); }
.sel-tab small { display: block; font-size: 11.5px; color: var(--c-text-3); margin-top: 2px; line-height: 1.5; }
.sel-tab em {
  font-style: normal; font-size: 11px; color: var(--c-primary); background: #eef4fd;
  padding: 1px 8px; border-radius: 999px; margin-top: 8px; display: inline-block;
  font-variant-numeric: tabular-nums;
}
.sel-tab:hover { border-color: #b9d3f0; transform: translateY(-2px); box-shadow: 0 12px 26px rgba(16,24,40,.08); }
.sel-tab.on { border-color: var(--c-primary); box-shadow: 0 12px 30px rgba(0,102,204,.16); }
.sel-tab.on .ic { background: var(--c-primary); color: #fff; }
.sel-tab.on em { background: var(--c-primary); color: #fff; }

.sel-body { display: grid; grid-template-columns: 296px 1fr; gap: var(--sp-5); align-items: start; padding: var(--sp-6) 0 var(--sp-8); }
@media (max-width: 960px) { .sel-body { grid-template-columns: 1fr; } }

.sel-filter {
  position: sticky; top: 78px; background: #fff; border: 1px solid #e6ecf5;
  border-radius: 16px; padding: 18px; box-shadow: var(--sh-sm);
}
@media (max-width: 960px) { .sel-filter { position: static; } }
.sel-group + .sel-group { margin-top: 16px; padding-top: 16px; border-top: 1px dashed #e8eef6; }
.sel-gt {
  display: flex; align-items: center; justify-content: space-between;
  font-size: 13px; font-weight: 700; color: var(--c-text); margin-bottom: 10px;
}
.sel-gt .hint { font-size: 11px; color: var(--c-text-3); font-weight: 400; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; max-height: 190px; overflow-y: auto; }
.chips::-webkit-scrollbar { width: 5px; }
.chips::-webkit-scrollbar-thumb { background: #dfe6f0; border-radius: 3px; }
.chip {
  font-size: 12px; padding: 5px 11px; border-radius: 999px;
  border: 1px solid #e2e8f2; background: #fbfcfe; color: var(--c-text-2);
  transition: all .16s ease; white-space: nowrap;
}
.chip:hover { border-color: #b9d3f0; color: var(--c-primary); }
.chip.on { background: #eaf3ff; border-color: #9cc6ef; color: var(--c-primary); font-weight: 600; }

.rng { margin-bottom: 14px; }
.rng:last-child { margin-bottom: 0; }
.rng-head { display: flex; align-items: baseline; justify-content: space-between; font-size: 12.5px; color: var(--c-text-2); margin-bottom: 5px; }
.rng-head b { color: var(--c-primary); font-variant-numeric: tabular-nums; font-size: 13px; }
.rng-head .u { font-size: 11px; color: var(--c-text-3); margin-left: 3px; }
input[type=range] {
  -webkit-appearance: none; appearance: none; width: 100%; height: 4px;
  border-radius: 999px; background: #e6ecf5; cursor: pointer;
}
input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none; width: 16px; height: 16px; border-radius: 50%;
  background: #fff; border: 3px solid var(--c-primary); box-shadow: 0 2px 6px rgba(0,102,204,.28);
}
input[type=range]::-moz-range-thumb {
  width: 12px; height: 12px; border-radius: 50%; background: #fff;
  border: 3px solid var(--c-primary); box-shadow: 0 2px 6px rgba(0,102,204,.28);
}
.sel-reset {
  width: 100%; margin-top: 14px; font-size: 12.5px; color: var(--c-text-3);
  border: 1px dashed #dbe3ee; border-radius: 9px; padding: 8px;
}
.sel-reset:hover { color: var(--c-primary); border-color: #9cc6ef; background: #f7fbff; }

.sel-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 14px; }
.sel-count { font-size: 13.5px; color: var(--c-text-2); }
.sel-count b { color: var(--c-primary); font-size: 21px; font-variant-numeric: tabular-nums; margin: 0 3px; vertical-align: -1px; }
.sel-sort { display: flex; align-items: center; gap: 6px; font-size: 12.5px; color: var(--c-text-3); }
.sel-sort select {
  border: 1px solid #e2e8f2; border-radius: 9px; padding: 6px 10px;
  font-size: 12.5px; background: #fff; color: var(--c-text-2); cursor: pointer;
}

.pres-list { display: flex; flex-direction: column; gap: 11px; }
.pres {
  display: grid; grid-template-columns: 96px 1fr auto; gap: 14px; align-items: center;
  background: #fff; border: 1px solid #e6ecf5; border-radius: 14px;
  padding: 12px; transition: all .2s ease;
}
.pres:hover { border-color: #b9d3f0; box-shadow: 0 10px 24px rgba(16,24,40,.07); transform: translateY(-2px); }
.pres-img {
  width: 96px; height: 78px; border-radius: 10px; background: #f7f9fc;
  display: flex; align-items: center; justify-content: center; overflow: hidden;
}
.pres-img img { width: 100%; height: 100%; object-fit: contain; padding: 6px; }
.pres-n { font-size: 14.5px; font-weight: 600; line-height: 1.42; color: var(--c-text); }
.pres-n a { color: inherit; }
.pres-n a:hover { color: var(--c-primary); }
.pres-b { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-top: 4px; font-size: 11.5px; color: var(--c-text-3); }
.pres-b .bd { border: 1px solid #ffe0c7; background: #fff7f0; color: #d95800; padding: 0 6px; border-radius: 4px; font-weight: 600; }
.pres-specs { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 9px; }
.pres-specs div { font-size: 11px; color: var(--c-text-3); line-height: 1.3; }
.pres-specs b { display: block; font-size: 13.5px; color: var(--c-text); font-variant-numeric: tabular-nums; font-weight: 700; }
.pres-act { display: flex; flex-direction: column; gap: 7px; align-items: stretch; min-width: 92px; }
.pres-act .btn { white-space: nowrap; padding: 6px 14px; font-size: 12.5px; }
.cmp-add {
  font-size: 11.5px; color: var(--c-text-3); border: 1px dashed #d5dde8;
  border-radius: 8px; padding: 6px 10px; text-align: center; transition: all .16s ease;
}
.cmp-add:hover { border-color: #9cc6ef; color: var(--c-primary); }
.cmp-add.on { border-style: solid; border-color: var(--c-primary); color: var(--c-primary); background: #eef4fd; font-weight: 600; }
@media (max-width: 640px) {
  .pres { grid-template-columns: 74px 1fr; }
  .pres-img { width: 74px; height: 66px; }
  .pres-act { grid-column: 1 / -1; flex-direction: row; }
  .pres-act .btn, .cmp-add { flex: 1; }
}

.sel-empty { background: #fff; border: 1px dashed #dbe3ee; border-radius: 16px; padding: var(--sp-8) var(--sp-5); text-align: center; }
.sel-empty .em { font-size: 32px; }
.sel-empty h4 { font-size: var(--fs-md); margin: var(--sp-3) 0 6px; }
.sel-empty p { font-size: var(--fs-sm); color: var(--c-text-3); }
.sel-empty .btn { margin-top: var(--sp-4); }

.sel-skel { display: flex; flex-direction: column; gap: 11px; }
.sel-skel div {
  height: 104px; border-radius: 14px;
  background: linear-gradient(100deg, #f1f4f9 40%, #e7edf5 50%, #f1f4f9 60%);
  background-size: 200% 100%; animation: shimmer 1.3s infinite;
}

.cmp-bar {
  position: fixed; left: 50%; bottom: 18px; transform: translate(-50%, 150%);
  background: #0b1729; color: #fff; border-radius: 14px; padding: 10px 12px 10px 16px;
  display: flex; align-items: center; gap: 14px; z-index: 140;
  box-shadow: 0 18px 44px rgba(0,0,0,.3); transition: transform .3s cubic-bezier(.22,.61,.36,1);
  max-width: calc(100% - 24px);
}
.cmp-bar.on { transform: translate(-50%, 0); }
.cmp-bar .ct { font-size: 13px; color: #cbd5e1; }
.cmp-bar .ct b { color: #fff; }
.cmp-thumbs { display: flex; gap: 6px; }
.cmp-thumbs span {
  width: 34px; height: 34px; border-radius: 8px; background: #fff;
  display: flex; align-items: center; justify-content: center; position: relative;
}
.cmp-thumbs img { max-width: 30px; max-height: 30px; object-fit: contain; }
.cmp-thumbs i {
  position: absolute; top: -5px; right: -5px; width: 15px; height: 15px; border-radius: 50%;
  background: #e54545; color: #fff; font-size: 10px; line-height: 15px; text-align: center;
  font-style: normal; cursor: pointer;
}

.cmp-modal {
  position: fixed; inset: 0; z-index: 200; background: rgba(8,14,26,.7);
  display: none; align-items: center; justify-content: center; padding: 20px;
}
.cmp-modal.on { display: flex; }
.cmp-card {
  background: #fff; border-radius: 18px; width: 100%; max-width: 980px;
  max-height: 88vh; overflow: auto; padding: var(--sp-6);
}
.cmp-card h3 { font-size: var(--fs-xl); margin-bottom: var(--sp-5); }
.cmp-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.cmp-table th, .cmp-table td { border-bottom: 1px solid var(--c-border); padding: 10px 12px; text-align: left; vertical-align: top; }
.cmp-table th { background: #f7f9fc; font-weight: 600; color: var(--c-text-2); width: 150px; }
.cmp-table td b { font-variant-numeric: tabular-nums; }
.cmp-table .ph { width: 180px; }
.cmp-table .ph img { width: 100px; height: 80px; object-fit: contain; background: #f7f9fc; border-radius: 8px; }
.cmp-close { float: right; font-size: 24px; color: var(--c-text-3); line-height: 1; }
.sel-hint {
  background: #f7fbff; border: 1px solid #e2eefc; border-radius: 12px;
  padding: 10px 14px; font-size: 12.5px; color: #3c6f9e; margin-bottom: 14px;
  display: flex; align-items: center; gap: 8px;
}
.sel-hint b { color: var(--c-primary); }

/* PDF 封面：显示首页顶部，像文档预览 */
.card-img.pdf-cover { object-fit: cover; object-position: top center; padding: 0; background: #fff; }

/* 细节修正 */
.sel-hint[hidden] { display: none !important; }
@media (max-width: 767px) { #scroll-top { display: none !important; } }

/* 新闻头图：中屏不再一列铺满，避免图片过大 */
@media (max-width: 1024px) {
  .recomm-top { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .recomm-top { grid-template-columns: 1fr; }
  .recomm-card { aspect-ratio: 16/9; }
}

/* ============================================================
   24. 产品中心筛选面板 + 品牌专区
   ============================================================ */

/* ---------- 24.1 列表页头 ---------- */
.pl-head {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: var(--sp-5); flex-wrap: wrap; margin-bottom: var(--sp-5);
}
.pl-head .pmcn-h1 { margin-bottom: 6px; }
.pl-sub { font-size: var(--fs-sm); color: var(--c-text-3); }
.pl-sub b { color: var(--c-primary); font-size: var(--fs-md); font-variant-numeric: tabular-nums; }
.pl-acts { display: flex; gap: var(--sp-2); flex-wrap: wrap; }

/* ---------- 24.2 筛选面板 ---------- */
.filter-panel {
  background: var(--c-bg-2);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: var(--sp-2) var(--sp-5);
  margin-bottom: var(--sp-5);
  box-shadow: var(--sh-sm);
}
.fp-row {
  display: flex; gap: var(--sp-4);
  padding: 14px 0;
  border-bottom: 1px dashed var(--c-border);
}
.fp-row:last-child { border-bottom: 0; }
.fp-key {
  flex: 0 0 58px; font-size: var(--fs-sm); font-weight: 600;
  color: var(--c-text-3); line-height: 26px;
}
.fp-val { flex: 1; min-width: 0; display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.fp-letters { gap: 4px; }

.fchip {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 4px 12px; border-radius: var(--r-pill);
  border: 1px solid var(--c-border-2); background: #fff;
  font-size: var(--fs-sm); color: var(--c-text-2); line-height: 1.5;
  transition: all var(--t-fast); white-space: nowrap;
}
.fchip:hover { border-color: var(--c-primary); color: var(--c-primary); text-decoration: none; background: var(--c-primary-lighter); }
.fchip.on { background: var(--c-primary); border-color: var(--c-primary); color: #fff; font-weight: 600; }
.fchip.on i { color: rgba(255,255,255,.75); }
.fchip i { font-style: normal; font-size: 11px; color: var(--c-text-3); font-variant-numeric: tabular-nums; }
.fchip-sm { padding: 2px 9px; font-size: var(--fs-xs); min-width: 28px; justify-content: center; }
.fchip-on { background: var(--c-primary-light); border-color: #b9d3f0; color: var(--c-primary); font-weight: 600; }
.fchip-on em { font-style: normal; font-size: 13px; opacity: .6; margin-left: 2px; }
.fchip-on:hover em { opacity: 1; }
.fp-active { background: #fbfcfe; border-radius: var(--r-md); padding: 10px 12px; margin: 6px -12px 0; }
.fp-clear { font-size: var(--fs-sm); color: var(--c-text-3); margin-left: 4px; }
.fp-clear:hover { color: var(--c-danger); }

/* 二级细分行：与一级品类行拉开层级，行首标注所属一级，避免上下级看不出关系 */
.fp-row-sub {
  background: #f7f9fc;
  border: 1px solid #eaf0f8;
  border-radius: var(--r-md);
  padding: 11px 14px;
  margin: 2px -14px 6px;
}
.fp-row-sub + .fp-row { border-bottom: 1px dashed var(--c-border); }
.fp-row-sub .fp-key {
  flex: 0 0 92px;
  color: var(--c-primary);
  line-height: 1.35;
}
.fp-key-sub {
  display: block;
  font-style: normal;
  font-size: 11px;
  font-weight: 400;
  color: var(--c-text-3);
  line-height: 1.3;
  margin-top: 2px;
  overflow-wrap: anywhere;
}
.fp-row-sub .fchip { background: #fff; }
.fp-row-sub .fchip.on { background: var(--c-primary); }
@media (max-width: 767px) {
  .fp-row-sub { padding: 10px 12px; margin: 2px 0 6px; }
  .fp-row-sub .fp-key { flex: 0 0 auto; display: flex; align-items: baseline; gap: 6px; }
  .fp-key-sub { margin-top: 0; }
}

/* ---------- 24.3 品牌 LOGO 墙 ---------- */
.fp-brandrow .fp-key { padding-top: 4px; }
.brand-logo-grid {
  display: grid; gap: 8px; width: 100%;
  grid-template-columns: repeat(auto-fill, minmax(104px, 1fr));
}
.bl-item {
  height: 62px; border: 1px solid var(--c-border); border-radius: var(--r-sm);
  background: #fff; display: flex; align-items: center; justify-content: center;
  padding: 8px; transition: all var(--t-fast); overflow: hidden;
}
.bl-item img {
  max-width: 100%; max-height: 100%; width: auto; height: auto;
  object-fit: contain; filter: grayscale(1) drop-shadow(0 0 1px rgba(16,24,40,.45)); opacity: .85; transition: all var(--t-fast);
}
.bl-item:hover { border-color: var(--c-primary); box-shadow: 0 4px 12px rgba(0,102,204,.12); transform: translateY(-1px); }
.bl-item:hover img { filter: none; opacity: 1; }
.bl-item.on { border-color: var(--c-primary); background: var(--c-primary-lighter); box-shadow: 0 0 0 2px var(--c-primary-light); }
.bl-item.on img { filter: none; opacity: 1; }
.bl-txt { font-size: var(--fs-xs); color: var(--c-text-2); text-align: center; line-height: 1.35; }
.bl-more {
  height: 62px; border: 1px dashed var(--c-border-2); border-radius: var(--r-sm);
  display: flex; align-items: center; justify-content: center; text-align: center;
  font-size: var(--fs-xs); color: var(--c-text-3); line-height: 1.4; background: #fafbfd;
}
.bl-more:hover { border-color: var(--c-primary); color: var(--c-primary); text-decoration: none; }
.bl-reset { margin-top: 10px; font-size: var(--fs-xs); }
.bl-reset a { color: var(--c-text-3); }
.bl-reset a:hover { color: var(--c-danger); }

/* ---------- 24.4 结果工具栏 / 空状态 ---------- */
.pl-toolbar {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  font-size: var(--fs-sm); color: var(--c-text-3);
  padding: 0 2px var(--sp-4);
}
.pl-toolbar b { color: var(--c-text); font-variant-numeric: tabular-nums; }
.pl-toolbar .dot { color: var(--c-border-2); }
.pl-tool-r { margin-left: auto; }
.pl-tool-r a { color: var(--c-primary); }

.empty-box {
  text-align: center; padding: var(--sp-8) var(--sp-4);
  background: var(--c-bg-2); border: 1px solid var(--c-border);
  border-radius: var(--r-lg); color: var(--c-text-3);
}
.empty-box p { font-size: var(--fs-md); color: var(--c-text-2); margin-bottom: var(--sp-2); }
.empty-box .ep-sub { font-size: var(--fs-sm); color: var(--c-text-3); }
.ep-acts { display: flex; gap: var(--sp-3); justify-content: center; margin-top: var(--sp-5); flex-wrap: wrap; }

/* ---------- 24.5 通用小节头 ---------- */
.section-sm { padding: var(--sp-7) 0 0; }
.h2-sm { font-size: var(--fs-xl); font-weight: 700; color: var(--c-text); line-height: 1.35; }
.sec-head-inline {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: var(--sp-4); flex-wrap: wrap; margin-bottom: var(--sp-5);
}
.sec-desc { font-size: var(--fs-sm); color: var(--c-text-3); margin-top: 6px; }
.link-more { font-size: var(--fs-sm); color: var(--c-primary); white-space: nowrap; }

/* ---------- 24.6 品牌头 ---------- */
.brand-hero {
  display: grid;
  grid-template-columns: 200px minmax(0, 1fr) 250px;
  gap: var(--sp-6);
  align-items: start;
  background: linear-gradient(135deg, #f7fafe 0%, #eef4fc 100%);
  border: 1px solid #e3ecf8;
  border-radius: var(--r-xl);
  padding: var(--sp-6);
  margin-bottom: var(--sp-6);
}
.bhero-logo {
  background: #fff; border: 1px solid var(--c-border);
  border-radius: var(--r-md); height: 130px;
  display: flex; align-items: center; justify-content: center;
  padding: 16px; box-shadow: var(--sh-sm);
}
.bhero-logo img { max-width: 100%; max-height: 100%; object-fit: contain; }
.bl-ini { font-size: 48px; font-weight: 700; color: var(--c-primary); opacity: .35; }
.bhero-main { min-width: 0; }
.bhero-main h1 { font-size: var(--fs-3xl); line-height: 1.2; margin-bottom: 10px; color: var(--c-text); }
.bhero-ex { font-size: var(--fs-md); color: var(--c-text-2); line-height: 1.85; margin-bottom: var(--sp-4); }
.bhero-stats { display: flex; gap: var(--sp-6); margin-bottom: var(--sp-5); flex-wrap: wrap; }
.bhero-stats div { display: flex; flex-direction: column; }
.bhero-stats b { font-size: var(--fs-2xl); color: var(--c-primary); line-height: 1.1; font-variant-numeric: tabular-nums; }
.bhero-stats span { font-size: var(--fs-xs); color: var(--c-text-3); margin-top: 2px; }
.bhero-acts { display: flex; gap: var(--sp-2); flex-wrap: wrap; }

.bhero-cert {
  background: #fff; border: 1px solid var(--c-border);
  border-radius: var(--r-md); padding: 10px; box-shadow: var(--sh-sm);
  display: flex; flex-direction: column;
}
.bc-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.bc-label {
  display: flex; align-items: center; gap: 5px;
  font-size: var(--fs-xs); font-weight: 600; color: var(--c-success);
}
.bc-label svg { width: 14px; height: 14px; }
.bc-n {
  font-size: 11px; color: var(--c-text-3);
  background: #f2f6fb; border-radius: 999px; padding: 1px 8px; line-height: 1.6;
}
/* 证书整幅显示：contain 不裁切，A4 竖版与横版都能看全 */
.bc-doc {
  position: relative; display: flex; align-items: center; justify-content: center;
  height: 232px; background: #fbfcfe;
  border: 1px solid var(--c-border); border-radius: 8px; overflow: hidden;
  transition: border-color var(--t-fast);
}
.bc-doc img { max-width: 100%; max-height: 100%; width: auto; height: auto; object-fit: contain; display: block; }
.bc-doc:hover { border-color: #b9d3f0; }
.bc-zoom {
  position: absolute; right: 8px; bottom: 8px;
  background: rgba(16,24,40,.74); color: #fff;
  font-size: 11px; padding: 3px 9px; border-radius: 999px;
  opacity: 0; transition: opacity var(--t-fast);
}
.bc-doc:hover .bc-zoom { opacity: 1; }
.bc-link {
  display: flex; align-items: center; justify-content: center; gap: 4px;
  margin-top: 8px; font-size: 11.5px; color: var(--c-text-3);
}
.bc-link svg { width: 12px; height: 12px; }
.bc-link:hover { color: var(--c-primary); text-decoration: none; }

/* ---------- 24.6b 原厂授权与资质 ---------- */
.cert-wrap { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: var(--sp-5); align-items: start; }
.cert-grid { display: grid; gap: var(--sp-4); grid-template-columns: repeat(auto-fill, minmax(240px, 340px)); align-items: start; }
.cert-card {
  margin: 0; background: var(--c-bg-2); border: 1px solid var(--c-border);
  border-radius: var(--r-md); padding: 10px; box-shadow: var(--sh-sm);
  transition: border-color var(--t-fast), box-shadow var(--t-fast), transform var(--t-fast);
}
.cert-card:hover { border-color: #b9d3f0; box-shadow: var(--sh-md); transform: translateY(-2px); }
.cert-frame {
  position: relative; display: block;
  background: #fbfcfe; border-radius: 6px; overflow: hidden;
}
/* 高度随原图比例走：A4 竖版、横版、方版都不裁切也不留大空白 */
.cert-frame img { width: 100%; height: auto; display: block; }
.cf-zoom {
  position: absolute; left: 0; right: 0; bottom: 0; text-align: center;
  font-size: 11.5px; color: #fff; padding: 18px 0 7px;
  background: linear-gradient(180deg, rgba(16,24,40,0), rgba(16,24,40,.72));
  opacity: 0; transition: opacity var(--t-fast);
}
.cert-frame:hover .cf-zoom { opacity: 1; }
.cert-card figcaption { padding-top: 9px; }
.cert-card figcaption b { display: block; font-size: 12.5px; font-weight: 700; color: var(--c-text); }
.cert-card figcaption i { display: block; font-style: normal; font-size: 11px; color: var(--c-text-3); margin-top: 2px; }
.cert-note {
  background: linear-gradient(180deg, #f7faff, #fff);
  border: 1px solid var(--c-border); border-radius: var(--r-md);
  padding: var(--sp-5);
}
.cert-note h3 { font-size: var(--fs-md); font-weight: 700; color: var(--c-text); margin-bottom: 10px; }
.cert-facts { margin: 0 0 var(--sp-4); padding: 0 0 var(--sp-3); border-bottom: 1px dashed var(--c-border); }
.cert-facts > div { display: flex; gap: 10px; font-size: var(--fs-xs); line-height: 1.9; }
.cert-facts dt { flex: 0 0 56px; color: var(--c-text-3); }
.cert-facts dd { margin: 0; color: var(--c-text); font-weight: 600; }
.cert-note ul { list-style: none; margin: 0 0 var(--sp-4); padding: 0; }
.cert-note li {
  position: relative; padding-left: 15px; margin-bottom: 7px;
  font-size: var(--fs-xs); color: var(--c-text-2); line-height: 1.8;
}
.cert-note li::before {
  content: ""; position: absolute; left: 0; top: 8px;
  width: 5px; height: 5px; border-radius: 50%; background: var(--c-primary); opacity: .45;
}
@media (max-width: 900px) {
  .cert-wrap { grid-template-columns: 1fr; }
  .cert-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
}

/* ---------- 24.7 产品系列 ---------- */
.series-grid {
  display: grid; gap: var(--sp-4);
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}
.series-card {
  display: flex; flex-direction: column;
  background: var(--c-bg-2); border: 1px solid var(--c-border);
  border-radius: var(--r-lg); overflow: hidden;
  transition: all var(--t-base);
}
.series-card:hover { border-color: #b9d3f0; box-shadow: var(--sh-md); transform: translateY(-2px); text-decoration: none; }
.sc-pics {
  display: flex; gap: 1px; background: #f4f7fb;
  border-bottom: 1px solid var(--c-border); height: 116px; overflow: hidden;
}
.sc-pics img {
  flex: 1 1 0; min-width: 0; width: 33.33%; height: 116px;
  object-fit: contain; padding: 10px; background: #fff;
}
.sc-pics img:only-child { flex: 1 1 100%; width: 100%; }
.sc-ph { flex: 1; background: repeating-linear-gradient(135deg, #f4f7fb 0 8px, #eef2f8 8px 16px); }
.sc-body { padding: 12px 14px 14px; }
.sc-body h3 { font-size: var(--fs-md); font-weight: 600; color: var(--c-text); line-height: 1.4; margin-bottom: 6px; }
.sc-body p { font-size: var(--fs-sm); color: var(--c-text-3); display: flex; align-items: center; gap: 4px; }
.sc-body p b { color: var(--c-primary); font-variant-numeric: tabular-nums; }
.sc-body p i { font-style: normal; margin-left: auto; color: var(--c-primary); transition: transform var(--t-fast); }
.series-card:hover .sc-body p i { transform: translateX(3px); }

/* ---------- 24.8 品牌故事 ---------- */
.story-wrap { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: var(--sp-6); align-items: start; }
.story-main { background: var(--c-bg-2); border: 1px solid var(--c-border); border-radius: var(--r-lg); padding: var(--sp-6) var(--sp-6) var(--sp-5); }
.story-main .h2-sm { margin-bottom: var(--sp-4); padding-bottom: var(--sp-3); border-bottom: 1px solid var(--c-border); }
.story-side { position: sticky; top: 88px; display: flex; flex-direction: column; gap: var(--sp-4); }
.side-card { background: var(--c-bg-2); border: 1px solid var(--c-border); border-radius: var(--r-md); padding: var(--sp-4); }
.sc-t { font-size: var(--fs-sm); font-weight: 700; color: var(--c-text); margin-bottom: 8px; }
.sc-p { font-size: var(--fs-xs); color: var(--c-text-3); line-height: 1.75; margin-bottom: var(--sp-3); }
.side-card .btn + .btn { margin-top: 8px; }
.side-cert .sc-p { margin-bottom: var(--sp-3); }

/* 品牌正文：清掉内联样式后统一排版 */
.brand-story { font-size: 15.5px; }
.brand-story p { margin-bottom: 14px; }
.brand-story p:last-child { margin-bottom: 0; }
.brand-story h2, .brand-story h3, .brand-story h4 { font-weight: 700; color: var(--c-text); }
.brand-story h2 { font-size: var(--fs-lg); margin: var(--sp-5) 0 var(--sp-3); }
.brand-story h3 { font-size: var(--fs-md); margin: var(--sp-4) 0 var(--sp-2); }
.brand-story strong, .brand-story b { color: var(--c-text); }
.brand-story a { color: var(--c-primary); }
.brand-story table { width: 100%; border-collapse: collapse; font-size: 13.5px; margin: var(--sp-4) 0; }
.brand-story th, .brand-story td { border: 1px solid var(--c-border); padding: 8px 10px; text-align: left; }
.brand-story th { background: #f7f9fc; font-weight: 600; }
.brand-story ul, .brand-story ol { padding-left: 1.4em; margin-bottom: 14px; }
.brand-story li { margin-bottom: 6px; }

/* ---------- 24.9 其他品牌 LOGO 墙 ---------- */
.lw-letters { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: var(--sp-3); }
.lw-letters span {
  width: 24px; height: 24px; border-radius: 6px; background: var(--c-bg-3);
  color: var(--c-text-3); font-size: var(--fs-xs); font-weight: 600;
  display: inline-flex; align-items: center; justify-content: center;
}
.logo-wall {
  display: grid; gap: 8px;
  grid-template-columns: repeat(auto-fill, minmax(118px, 1fr));
}
.lw-item {
  height: 58px; border: 1px solid var(--c-border); border-radius: var(--r-sm);
  background: #fff; display: flex; align-items: center; justify-content: center;
  padding: 9px; transition: all var(--t-fast);
}
.lw-item img { max-width: 100%; max-height: 100%; object-fit: contain; filter: grayscale(1) drop-shadow(0 0 1px rgba(16,24,40,.45)); opacity: .85; transition: all var(--t-fast); }
.lw-item:hover { border-color: var(--c-primary); box-shadow: 0 4px 12px rgba(0,102,204,.1); }
.lw-item:hover img { filter: none; opacity: 1; }

/* ---------- 24.10 响应式 ---------- */
@media (max-width: 1100px) {
  .brand-hero { grid-template-columns: 168px minmax(0, 1fr); }
  .bhero-cert { grid-column: span 2; }
  .bc-doc { height: 180px; }
  .story-wrap { grid-template-columns: minmax(0, 1fr) 264px; }
}
@media (max-width: 900px) {
  /* 1fr 的最小尺寸默认取内容宽度，正文里一张宽图就能把整页撑出横向滚动 */
  .story-wrap { grid-template-columns: minmax(0, 1fr); }
  .story-main, .story-side { min-width: 0; }
  .story-side { position: static; }
}
@media (max-width: 767px) {
  .pl-head { align-items: flex-start; }
  .pl-acts { width: 100%; }
  .filter-panel { padding: var(--sp-1) var(--sp-4); border-radius: var(--r-md); }
  .fp-row { flex-direction: column; gap: 8px; padding: 12px 0; }
  .fp-key { flex: none; line-height: 1.4; }
  .fp-val { overflow-x: auto; flex-wrap: nowrap; padding-bottom: 4px; -webkit-overflow-scrolling: touch; }
  .fp-val::-webkit-scrollbar { height: 3px; }
  .fp-val::-webkit-scrollbar-thumb { background: #dfe6f0; border-radius: 3px; }
  .fp-brandrow .fp-val { overflow: visible; }
  .brand-logo-grid { grid-template-columns: repeat(auto-fill, minmax(84px, 1fr)); gap: 6px; }
  .bl-item, .bl-more { height: 52px; }
  .pl-tool-r { display: none; }
  .brand-hero { grid-template-columns: 1fr; padding: var(--sp-5); gap: var(--sp-4); }
  .bhero-logo { height: 96px; }
  .bhero-main h1 { font-size: var(--fs-xl); }
  .bhero-stats { gap: var(--sp-5); }
  .bhero-stats b { font-size: var(--fs-xl); }
  .bhero-cert { grid-column: auto; }
  .bc-doc { height: 200px; }
  .series-grid { grid-template-columns: 1fr; }
  .sc-pics, .sc-pics img { height: 96px; }
  .story-main { padding: var(--sp-4); }
  .section-sm { padding-top: var(--sp-6); }
}

/* 悬浮栏「分销渠道」项：用绿色与留言/电话区分 */
.dock-item.chn:hover, .dock-item.chn.on {
  background: var(--c-success); border-color: var(--c-success);
  box-shadow: 0 8px 22px rgba(0,168,84,.30);
}

/* 品牌正文内的图片（多为授权书扫描件）：限高居中，避免单张图占据整屏 */
.brand-story img {
  display: block; max-width: 100%; max-height: 460px;
  width: auto; height: auto; margin: var(--sp-4) auto;
  border-radius: var(--r-sm); border: 1px solid var(--c-border); background: #fff;
}

/* ---------- 24.11 品牌总览 /brands ---------- */
.bg-index {
  display: flex; gap: 6px; flex-wrap: wrap;
  padding: 10px 12px; margin: var(--sp-4) 0 var(--sp-6);
  background: var(--c-bg-2); border: 1px solid var(--c-border); border-radius: var(--r-md);
}
.bg-index a {
  min-width: 30px; height: 30px; padding: 0 8px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: var(--r-sm); background: var(--c-primary-light);
  color: var(--c-primary); font-size: var(--fs-sm); font-weight: 600;
  transition: all var(--t-fast);
}
.bg-index a:hover { background: var(--c-primary); color: #fff; }
.bg-block { margin-bottom: var(--sp-6); scroll-margin-top: 90px; }
.bg-head { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.bg-badge {
  width: 30px; height: 30px; border-radius: var(--r-sm);
  background: var(--c-primary); color: #fff;
  font-size: var(--fs-sm); font-weight: 700;
  display: inline-flex; align-items: center; justify-content: center;
}
.bg-title { font-size: var(--fs-md); font-weight: 700; color: var(--c-text); }
/* 品牌总览：核心代理品牌优先区（复用首页 hb-card，风格一致） */
.vip-brands {
  margin: 0 0 var(--sp-6);
  padding: 16px 16px 6px;
  background: linear-gradient(180deg, #f7faff, #fff);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
}
.vip-brands .bg-head { margin-bottom: 14px; }
.vip-brands .bg-badge { background: linear-gradient(135deg, #ff8a1f, #ff6a00); }
.bg-note { font-size: var(--fs-xs); color: var(--c-text-3); }
.vc-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(266px, 1fr)); gap: 10px; }
.vc-card {
  display: flex; flex-direction: column; gap: 9px;
  background: #fff; border: 1px solid var(--c-border); border-radius: var(--r-md);
  padding: 13px 14px; transition: all var(--t-fast);
}
.vc-card:hover { border-color: var(--c-primary); box-shadow: 0 10px 24px rgba(0,102,204,.11); text-decoration: none; }
.vc-top { display: flex; align-items: center; gap: 10px; min-height: 40px; }
.vc-logo {
  width: 62px; height: 36px; flex: 0 0 auto;
  display: flex; align-items: center; justify-content: center; overflow: hidden;
}
.vc-logo img {
  max-width: 100%; max-height: 100%; object-fit: contain;
  filter: grayscale(1) drop-shadow(0 0 1px rgba(16,24,40,.45)); opacity: .92;
}
.vc-card:hover .vc-logo img { filter: none; opacity: 1; }
.vc-logo > b { font-size: 11px; font-weight: 700; color: var(--c-text-2); text-align: center; line-height: 1.2; }
.vc-name {
  flex: 1 1 auto; min-width: 0; font-size: 12.5px; font-weight: 700; color: var(--c-text);
  line-height: 1.4; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.vc-n {
  flex: 0 0 auto; font-style: normal; font-size: 11.5px; font-weight: 700; color: var(--c-primary);
  background: var(--c-primary-light); border-radius: 999px; padding: 2px 7px; line-height: 1.45;
}
.vc-n i { font-style: normal; font-size: 10px; font-weight: 400; margin-left: 1px; }
.vc-brief {
  font-size: 12px; font-style: normal; color: var(--c-text-3); line-height: 1.6;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
@media (max-width: 639px) {
  .vip-brands { padding: 12px 12px 2px; }
  .vc-grid { grid-template-columns: 1fr; }
  .bg-note { display: none; }
}

.brand-grid { display: grid; gap: 10px; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
.brand-tile {
  display: block; background: var(--c-bg-2);
  border: 1px solid var(--c-border); border-radius: var(--r-md);
  overflow: hidden; transition: all var(--t-fast);
}
.brand-tile .bt-logo {
  height: 78px; display: flex; align-items: center; justify-content: center;
  padding: 12px;
}
.brand-tile .bt-logo img {
  max-width: 100%; max-height: 100%; object-fit: contain;
  filter: drop-shadow(0 0 1px rgba(16,24,40,.35));
}
.bt-txt { font-size: var(--fs-sm); font-weight: 600; color: var(--c-text-2); text-align: center; line-height: 1.35; }
.brand-tile .bt-name {
  display: block; text-align: center;
  border-top: 1px solid var(--c-border); padding: 7px 8px;
  font-size: var(--fs-xs); color: var(--c-text-2);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.brand-tile .bt-name em {
  font-style: normal; display: inline-block; margin-left: 5px;
  background: var(--c-bg-3); color: var(--c-text-3);
  border-radius: var(--r-pill); padding: 0 6px; font-size: 11px;
  font-variant-numeric: tabular-nums;
}
.brand-tile:hover { border-color: var(--c-primary); box-shadow: var(--sh-md); transform: translateY(-1px); }
.brand-tile:hover .bt-name { color: var(--c-primary); }
@media (max-width: 767px) {
  .brand-grid { grid-template-columns: repeat(auto-fill, minmax(112px, 1fr)); gap: 8px; }
  .brand-tile .bt-logo { height: 62px; padding: 9px; }
  .bg-block { margin-bottom: var(--sp-5); }
}

/* ---------- 页脚分销渠道二维码 ---------- */
.fc-dist { margin: var(--sp-3) 0 var(--sp-4); }
.fc-dist-t {
  display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap;
  font-size: var(--fs-sm); color: #9aa6b6; margin-bottom: 8px;
}
.fc-dist-t b { color: #cfd8e3; font-weight: 700; }
.fc-dist-t a { color: #fff; font-variant-numeric: tabular-nums; }
.fc-dist-t a:hover { color: var(--c-accent); }
.fc-dist-q {
  display: inline-flex; align-items: center; gap: 12px;
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.13);
  border-radius: 10px; padding: 9px 12px 9px 9px;
}
.fc-dist-q img {
  width: 108px; height: 108px; display: block; flex: 0 0 auto;
  background: #fff; border-radius: 6px; padding: 4px;
}
.fc-dist-q span { font-size: 12px; line-height: 1.7; color: #9aa6b6; white-space: nowrap; }
@media (max-width: 767px) {
  .fc-dist-q { width: 100%; }
  .fc-dist-q img { width: 92px; height: 92px; }
}

/* ============================================================
   25. 智能选型 v4 — 一句话输入 + 参数首屏直达
   ============================================================ */

/* ---------- 25.1 压缩版 Hero ---------- */
.sel-hero-sm { padding-bottom: 0; }
.sel-hero-sm .container { padding-top: var(--sp-4); padding-bottom: var(--sp-5); }
.sel-hero-grid {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
  gap: var(--sp-6); align-items: center; margin-top: var(--sp-3);
}
.sel-hero-copy .sel-badge { margin-bottom: 10px; }
.sel-hero-copy h1 { font-size: 30px; margin: 0 0 10px; }
.sel-hero-copy p { font-size: 13.5px; max-width: 480px; line-height: 1.75; margin: 0; }

/* ---------- 25.2 一句话输入框 ---------- */
.sel-ask-wrap { min-width: 0; }
.ask-box {
  background: #fff; border: 1px solid #dbe6f3; border-radius: 14px;
  padding: 10px; box-shadow: 0 10px 30px rgba(16,24,40,.07);
}
.ask-field {
  display: flex; align-items: center; gap: 8px;
  background: #f7fafd; border: 1px solid #e4ecf6; border-radius: 10px;
  padding: 5px 5px 5px 12px; transition: all var(--t-fast);
}
.ask-field:focus-within { border-color: #9cc6ef; background: #fff; box-shadow: 0 0 0 3px rgba(0,102,204,.08); }
.ask-ic { display: inline-flex; color: var(--c-primary); flex: 0 0 auto; }
.ask-ic svg { width: 18px; height: 18px; }
.ask-field input {
  flex: 1; min-width: 0; border: 0; background: transparent;
  font-size: 14px; color: var(--c-text); padding: 8px 0; outline: none;
}
.ask-field input::placeholder { color: #9aa8b8; }
.ask-go {
  display: inline-flex; align-items: center; gap: 5px; flex: 0 0 auto;
  background: linear-gradient(135deg, #0066cc, #0a7fd4); color: #fff;
  border: 0; border-radius: 8px; padding: 9px 16px;
  font-size: 13.5px; font-weight: 600; cursor: pointer;
  transition: all var(--t-fast);
}
.ask-go svg { width: 15px; height: 15px; }
.ask-go:hover { box-shadow: 0 6px 16px rgba(0,102,204,.32); transform: translateY(-1px); }
.ask-go.busy { opacity: .7; pointer-events: none; }
.ask-go.busy .ask-go-t::after {
  content: ''; display: inline-block; width: 10px; height: 10px;
  margin-left: 6px; border: 2px solid rgba(255,255,255,.5);
  border-top-color: #fff; border-radius: 50%;
  animation: askspin .7s linear infinite; vertical-align: -1px;
}
@keyframes askspin { to { transform: rotate(360deg); } }

.ask-ex { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; padding: 10px 4px 2px; }
.ask-ex > span { font-size: 12px; color: var(--c-text-3); }
.ask-ex button {
  border: 1px solid #e2eaf4; background: #f8fafc; border-radius: var(--r-pill);
  padding: 4px 11px; font-size: 12px; color: var(--c-text-2);
  cursor: pointer; transition: all var(--t-fast);
}
.ask-ex button:hover { border-color: var(--c-primary); color: var(--c-primary); background: var(--c-primary-lighter); }
.ask-note {
  display: flex; align-items: center; gap: 6px;
  font-size: 11.5px; color: var(--c-text-3); padding: 8px 4px 0;
}
.dot-on {
  width: 6px; height: 6px; border-radius: 50%; background: var(--c-success);
  box-shadow: 0 0 0 3px rgba(0,168,84,.14); flex: 0 0 auto;
}

/* ---------- 25.3 AI 解析回执 ---------- */
.ask-receipt {
  background: linear-gradient(135deg, #f4f9ff, #eef7f4);
  border: 1px solid #d8e9f8; border-radius: var(--r-lg);
  padding: 14px 16px; margin: var(--sp-4) 0 0;
}
.ask-receipt[hidden] { display: none; }
.ar-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 10px; }
.ar-tag {
  font-size: 11px; font-weight: 700; padding: 3px 9px; border-radius: var(--r-pill);
  background: var(--c-primary); color: #fff; flex: 0 0 auto;
}
.ar-tag.rule { background: #6b7a8d; }
.ar-tag.llm { background: linear-gradient(135deg, #0a7fd4, #12a08a); }
.ar-interp { font-size: 14px; font-weight: 600; color: var(--c-text); flex: 1; min-width: 0; }
.ar-close {
  border: 0; background: transparent; font-size: 20px; line-height: 1;
  color: var(--c-text-3); cursor: pointer; padding: 0 4px; flex: 0 0 auto;
}
.ar-close:hover { color: var(--c-danger); }
.ar-cond { display: flex; flex-wrap: wrap; gap: 6px; }
.ar-chip {
  font-size: 12px; padding: 3px 10px; border-radius: var(--r-pill);
  background: #fff; border: 1px solid #dbe6f3; color: var(--c-text-2);
}
.ar-chip.grp { background: var(--c-primary); border-color: var(--c-primary); color: #fff; font-weight: 600; }
.ar-chip.brand { border-color: #cfe3f8; color: var(--c-primary); background: #f5faff; }
.ar-chip.spec { border-color: #cdeade; color: #0a7a5c; background: #f2fbf7; font-weight: 600; }
.ar-chip.none { border-style: dashed; color: var(--c-text-3); }
.ar-foot { font-size: 12px; color: var(--c-text-3); margin-top: 9px; }
.ar-foot b { color: var(--c-primary); font-variant-numeric: tabular-nums; }

/* ---------- 25.4 主布局：左收窄 + 右参数结果 ---------- */
.sel-body { grid-template-columns: 286px minmax(0, 1fr); gap: var(--sp-5); }
.sel-side {
  background: var(--c-bg-2); border: 1px solid var(--c-border);
  border-radius: var(--r-lg); padding: var(--sp-4); position: sticky; top: 84px;
}
.sel-main { min-width: 0; }

/* ---------- 25.5 细分品类：图标 + 文本 ---------- */
.cls-list { display: flex; flex-direction: column; gap: 5px; max-height: 340px; overflow-y: auto; padding-right: 2px; }
.cls-list::-webkit-scrollbar { width: 4px; }
.cls-list::-webkit-scrollbar-thumb { background: #dfe6f0; border-radius: 3px; }
.cls-item {
  display: flex; align-items: center; gap: 9px; width: 100%;
  border: 1px solid transparent; background: #fff;
  border-radius: 9px; padding: 7px 9px; cursor: pointer; text-align: left;
  transition: all var(--t-fast);
}
.cls-item:hover { border-color: #b9d3f0; }
.cls-item .ci-ic {
  width: 30px; height: 30px; flex: 0 0 auto; border-radius: 7px;
  background: var(--c-bg-3); color: var(--c-text-2);
  display: inline-flex; align-items: center; justify-content: center;
}
.cls-item .ci-ic svg { width: 17px; height: 17px; }
.cls-item .ci-tx { flex: 1; min-width: 0; display: flex; align-items: baseline; gap: 6px; }
.cls-item .ci-tx b {
  font-size: 12.5px; font-weight: 500; color: var(--c-text-2); line-height: 1.35;
  overflow: hidden; text-overflow: ellipsis; display: -webkit-box;
  -webkit-line-clamp: 2; -webkit-box-orient: vertical;
}
.cls-item .ci-tx i {
  font-style: normal; font-size: 10.5px; color: var(--c-text-3);
  font-variant-numeric: tabular-nums; flex: 0 0 auto; margin-left: auto;
}
.cls-item.on { background: var(--c-primary-lighter); border-color: #9cc6ef; }
.cls-item.on .ci-ic { background: var(--c-primary); color: #fff; }
.cls-item.on .ci-tx b { color: var(--c-primary); font-weight: 700; }

/* ---------- 25.6 品牌：LOGO 瓦片 ---------- */
.brand-mini { display: grid; grid-template-columns: repeat(3, 1fr); gap: 5px; }
.bm-item {
  position: relative; height: 46px; border: 1px solid var(--c-border);
  background: #fff; border-radius: 8px; padding: 6px; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--t-fast); overflow: hidden;
}
.bm-item img {
  max-width: 100%; max-height: 100%; object-fit: contain;
  filter: grayscale(1) drop-shadow(0 0 1px rgba(16,24,40,.45)); opacity: .85;
  transition: all var(--t-fast);
}
.bm-item .bm-tx {
  font-size: 10.5px; font-weight: 600; color: var(--c-text-2);
  text-align: center; line-height: 1.2; word-break: break-word;
}
.bm-item .bm-n {
  position: absolute; right: 2px; bottom: 1px; font-size: 9px;
  color: var(--c-text-3); font-variant-numeric: tabular-nums;
}
.bm-item:hover { border-color: var(--c-primary); }
.bm-item:hover img { filter: none; opacity: 1; }
.bm-item.on { border-color: var(--c-primary); background: var(--c-primary-lighter); box-shadow: 0 0 0 2px rgba(0,102,204,.14); }
.bm-item.on img { filter: none; opacity: 1; }
.bm-item.vip::before {
  content: ''; position: absolute; left: 0; top: 0;
  border-width: 7px 7px 0 0; border-style: solid;
  border-color: var(--c-primary) transparent transparent transparent; opacity: .55;
}
.bm-item.vip.on::before { opacity: 1; }

/* ---------- 25.7 参数条（首屏直达） ---------- */
.param-bar {
  background: var(--c-bg-2); border: 1px solid var(--c-border);
  border-radius: var(--r-lg); padding: 14px 16px 8px; margin-bottom: var(--sp-4);
  box-shadow: var(--sh-sm);
}
.pb-head { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; margin-bottom: 12px; }
.pb-t { font-size: var(--fs-sm); font-weight: 700; color: var(--c-text); }
.pb-sub { font-size: 11.5px; color: var(--c-text-3); }
.pb-reset {
  margin-left: auto; border: 1px solid var(--c-border-2); background: #fff;
  border-radius: var(--r-pill); padding: 2px 10px; font-size: 11.5px;
  color: var(--c-text-2); cursor: pointer;
}
.pb-reset:hover { border-color: var(--c-danger); color: var(--c-danger); }
.pb-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px 18px; }
.pb-item {
  padding: 8px 10px 7px; border-radius: 9px; border: 1px solid transparent;
  transition: all var(--t-fast);
}
.pb-item.on { background: #f6faff; border-color: #d8e9f8; }
.pb-top { display: flex; align-items: baseline; justify-content: space-between; gap: 6px; margin-bottom: 2px; }
.pb-name { font-size: 12px; color: var(--c-text-2); white-space: nowrap; }
.pb-val { font-size: 11.5px; color: var(--c-text-3); white-space: nowrap; font-variant-numeric: tabular-nums; }
.pb-val b { color: var(--c-text); font-size: 12.5px; }
.pb-val i { font-style: normal; color: #b0bccb; }
.pb-item.on .pb-val b { color: var(--c-primary); }
.pb-range {
  -webkit-appearance: none; appearance: none; width: 100%; height: 16px;
  background: transparent; cursor: pointer; display: block;
}
.pb-range::-webkit-slider-runnable-track { height: 3px; border-radius: 2px; background: #e3ebf4; }
.pb-range::-moz-range-track { height: 3px; border-radius: 2px; background: #e3ebf4; }
.pb-range::-webkit-slider-thumb {
  -webkit-appearance: none; width: 13px; height: 13px; margin-top: -5px;
  border-radius: 50%; background: #fff; border: 2px solid var(--c-primary);
  box-shadow: 0 1px 4px rgba(16,24,40,.18); transition: transform var(--t-fast);
}
.pb-range::-moz-range-thumb {
  width: 13px; height: 13px; border-radius: 50%; background: #fff;
  border: 2px solid var(--c-primary); box-shadow: 0 1px 4px rgba(16,24,40,.18);
}
.pb-range:hover::-webkit-slider-thumb { transform: scale(1.15); }
.pb-scale { display: flex; justify-content: space-between; font-size: 9.5px; color: #b0bccb; font-variant-numeric: tabular-nums; }
.pb-none { grid-column: 1 / -1; font-size: 12.5px; color: var(--c-text-3); padding: 6px 2px; }
.pb-skel { height: 44px; border-radius: 8px; background: linear-gradient(90deg, #f2f5f9 25%, #e9eff6 37%, #f2f5f9 63%); background-size: 400% 100%; animation: pbshine 1.3s infinite; }
@keyframes pbshine { 0% { background-position: 100% 50%; } 100% { background-position: 0 50%; } }

/* ---------- 25.8 结果卡 ---------- */
.pres {
  display: grid; grid-template-columns: 104px minmax(0, 1fr) auto;
  gap: 14px; align-items: center;
  background: var(--c-bg-2); border: 1px solid var(--c-border);
  border-radius: var(--r-md); padding: 12px; margin-bottom: 10px;
  transition: all var(--t-fast);
}
.pres:hover { border-color: #b9d3f0; box-shadow: 0 8px 20px rgba(16,24,40,.07); }
.pres.is-ok { border-left: 3px solid var(--c-success); padding-left: 10px; }
.pres-media {
  width: 104px; height: 88px; border-radius: 8px; overflow: hidden;
  background: #f7f9fc; display: flex; align-items: center; justify-content: center;
}
.pres-media img { width: 100%; height: 100%; object-fit: contain; padding: 6px; display: block; }
.pres-body { min-width: 0; }
.pres-top { display: flex; align-items: center; gap: 7px; flex-wrap: wrap; margin-bottom: 3px; }
.pres-brand {
  height: 20px; display: inline-flex; align-items: center;
  padding: 0 5px; border-radius: 4px; background: #fff; border: 1px solid var(--c-border);
}
.pres-brand img { max-height: 14px; max-width: 56px; object-fit: contain; display: block; }
.pres-brand span { font-size: 10.5px; font-weight: 700; color: var(--c-text-2); }
.pres-cls { font-size: 11px; color: var(--c-text-3); }
.pm-badge {
  font-size: 10.5px; font-weight: 700; padding: 1px 7px; border-radius: var(--r-pill);
  margin-left: auto; font-variant-numeric: tabular-nums;
}
.pm-badge.ok { background: #e8f8f0; color: #0a7a5c; }
.pm-badge.mid { background: #fff5e6; color: #b26a00; }
.pm-badge.low { background: #f3f5f8; color: var(--c-text-3); }
.pres-name {
  display: block; font-size: 14.5px; font-weight: 600; color: var(--c-text);
  line-height: 1.4; margin-bottom: 6px;
}
.pres-name:hover { color: var(--c-primary); }
.pres-specs { display: flex; flex-wrap: wrap; gap: 5px 14px; }
.pres-specs .ps { display: inline-flex; align-items: baseline; gap: 4px; font-size: 11.5px; }
.pres-specs .ps i { font-style: normal; color: var(--c-text-3); }
.pres-specs .ps b { color: var(--c-text-2); font-weight: 600; font-variant-numeric: tabular-nums; }
.pres-specs .ps.on b { color: var(--c-primary); }
.pres-specs .ps.on i { color: var(--c-primary); opacity: .75; }
.pm-miss { font-size: 11px; color: #b26a00; margin-top: 6px; line-height: 1.5; }
.pm-unk { font-size: 11px; color: var(--c-text-3); margin-top: 6px; line-height: 1.5; }
.pres-acts { display: flex; flex-direction: column; gap: 6px; flex: 0 0 auto; }
.pres-acts .btn { white-space: nowrap; }
.pres-acts .js-cmp.on { background: var(--c-primary); color: #fff; border-color: var(--c-primary); }

.sel-more { text-align: center; padding: 12px 0 4px; }
.sel-more button {
  border: 1px solid var(--c-border-2); background: #fff; border-radius: var(--r-pill);
  padding: 8px 22px; font-size: 12.5px; color: var(--c-text-2); cursor: pointer;
}
.sel-more button:hover { border-color: var(--c-primary); color: var(--c-primary); }

.pm-toast {
  position: fixed; left: 50%; bottom: 90px; transform: translate(-50%, 12px);
  background: rgba(11,23,41,.94); color: #fff; font-size: 13px;
  padding: 10px 18px; border-radius: var(--r-pill); z-index: 9999;
  opacity: 0; pointer-events: none; transition: all .22s;
}
.pm-toast.on { opacity: 1; transform: translate(-50%, 0); }

.sel-hint { display: block; }
.sel-hint[hidden] { display: none !important; }
.sel-hint a { color: var(--c-primary); font-weight: 600; margin-left: 8px; }

/* ---------- 25.9 响应式 ---------- */
@media (max-width: 1200px) {
  .pb-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 1024px) {
  .sel-hero-grid { grid-template-columns: 1fr; gap: var(--sp-4); }
  .sel-body { grid-template-columns: 240px minmax(0, 1fr); }
  .brand-mini { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 860px) {
  .sel-body { grid-template-columns: 1fr; }
  .sel-side { position: static; }
  .cls-list { max-height: 200px; }
  .brand-mini { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 767px) {
  .sel-hero-copy h1 { font-size: 23px; }
  .sel-hero-copy p { font-size: 12.5px; }
  .ask-field { flex-wrap: wrap; padding: 8px; }
  .ask-field input { width: 100%; flex: 1 1 100%; padding: 4px 2px; }
  .ask-go { width: 100%; justify-content: center; }
  .ask-go .ask-go-t { flex: 1; }
  .ask-ex { max-height: 90px; overflow-y: auto; }
  .pb-grid { grid-template-columns: 1fr 1fr; gap: 6px 10px; }
  .pb-sub { display: none; }
  .pres { grid-template-columns: 76px minmax(0, 1fr); gap: 10px; }
  .pres-media { width: 76px; height: 68px; }
  .pres-acts { grid-column: 1 / -1; flex-direction: row; }
  .pres-acts .btn { flex: 1; }
  .sel-side { padding: var(--sp-3); }
  .brand-mini { grid-template-columns: repeat(3, 1fr); }
}

/* 选型页紧凑版：tabs 不再压 hero 边，改成单行横向卡片 */
.sel-hero-sm + main .sel-tabs { margin-top: var(--sp-3); }
.sel-hero-sm + main .sel-tab {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) auto;
  grid-template-rows: auto auto;
  gap: 1px 11px; align-items: center;
  padding: 11px 15px; border-radius: 13px;
}
.sel-hero-sm + main .sel-tab .ic {
  grid-row: 1 / span 2; margin-bottom: 0;
  width: 32px; height: 32px; border-radius: 9px;
}
.sel-hero-sm + main .sel-tab b { grid-column: 2; font-size: 14px; }
.sel-hero-sm + main .sel-tab small { grid-column: 2; margin-top: 0; font-size: 11px; }
.sel-hero-sm + main .sel-tab em {
  grid-column: 3; grid-row: 1 / span 2; margin-top: 0;
  align-self: center; white-space: nowrap;
}
.sel-side .cls-list { max-height: 252px; }
.sel-side .sel-group + .sel-group { margin-top: 12px; padding-top: 12px; }
@media (max-width: 960px) {
  .sel-hero-sm + main .sel-tabs { margin-top: var(--sp-3); grid-template-columns: 1fr; }
}

/* ============================================================
   26. 首页 v5 — Hero 场景化 Banner + 图文品类 + 品牌卡
   ============================================================ */

/* ---------- 26.1 Hero ---------- */
.hero2 {
  position: relative; overflow: hidden;
  background:
    radial-gradient(900px 420px at 6% -12%, rgba(0,110,220,.26), transparent 64%),
    radial-gradient(760px 400px at 96% 6%, rgba(16,168,140,.18), transparent 62%),
    linear-gradient(135deg, #0c1a2c 0%, #12253c 52%, #0e2036 100%);
  color: #fff;
  padding: 44px 0 50px;
}
.hero2::before {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 46px 46px;
  -webkit-mask-image: radial-gradient(620px 320px at 26% 12%, #000, transparent 72%);
  mask-image: radial-gradient(620px 320px at 26% 12%, #000, transparent 72%);
}
.hero2 .container { position: relative; z-index: 1; }
.hero2-in {
  display: grid; grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
  gap: 46px; align-items: center;
}
.hero2-badge {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 12px; font-weight: 600; color: #cfe4ff;
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.16);
  padding: 5px 13px; border-radius: 999px;
}
.hero2-badge i {
  width: 6px; height: 6px; border-radius: 50%; background: #34d399;
  box-shadow: 0 0 0 3px rgba(52,211,153,.22);
}
.hero2 h1 {
  font-size: 37px; line-height: 1.26; margin: 16px 0 14px;
  letter-spacing: -.6px; color: #fff; font-weight: 800;
}
.hero2 h1 .accent {
  background: linear-gradient(92deg, #6cc7ff, #4be0c0);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero2-copy p {
  font-size: 14px; line-height: 1.85; color: rgba(255,255,255,.70);
  max-width: 520px; margin: 0;
}

/* 一句话选型 */
.hero2-ask {
  display: flex; gap: 6px; align-items: center;
  background: rgba(255,255,255,.98); border-radius: 12px;
  padding: 6px; margin: 22px 0 16px; max-width: 486px;
  box-shadow: 0 14px 36px rgba(0,0,0,.30);
}
.hero2-ask input {
  flex: 1; min-width: 0; border: 0; background: transparent; outline: none;
  font-size: 13.5px; color: #0b1729; padding: 8px 12px;
}
.hero2-ask input::placeholder { color: #93a2b5; }
.hero2-ask button {
  display: inline-flex; align-items: center; gap: 5px; flex: 0 0 auto;
  border: 0; border-radius: 8px; cursor: pointer;
  background: linear-gradient(135deg, #0066cc, #0a7fd4); color: #fff;
  padding: 9px 15px; font-size: 13px; font-weight: 600;
  transition: all var(--t-fast);
}
.hero2-ask button svg { width: 14px; height: 14px; }
.hero2-ask button:hover { box-shadow: 0 6px 18px rgba(0,102,204,.45); transform: translateY(-1px); }

.hero2-acts { display: flex; gap: 10px; flex-wrap: wrap; }
.hero2-ghost {
  background: rgba(255,255,255,.10) !important;
  border: 1px solid rgba(255,255,255,.34) !important;
  color: #fff !important;
}
.hero2-ghost:hover { background: rgba(255,255,255,.18) !important; }

.hero2-stats { display: flex; gap: 34px; margin-top: 26px; flex-wrap: wrap; }
.hero2-stats div { display: flex; flex-direction: column; }
.hero2-stats b {
  font-size: 22px; font-weight: 800; color: #fff;
  font-variant-numeric: tabular-nums; letter-spacing: -.4px; line-height: 1.15;
}
.hero2-stats span { font-size: 11.5px; color: rgba(255,255,255,.55); margin-top: 3px; }

/* 场景卡 */
.hero2-scenes { display: flex; flex-direction: column; gap: 11px; }
.scene {
  display: grid; grid-template-columns: 96px minmax(0, 1fr); gap: 13px; align-items: center;
  background: rgba(255,255,255,.975); border-radius: 13px; padding: 9px 12px 9px 9px;
  color: var(--c-text); text-decoration: none;
  box-shadow: 0 10px 26px rgba(0,0,0,.20);
  transition: all .2s ease;
}
.scene:hover { transform: translateX(-5px); box-shadow: 0 16px 34px rgba(0,0,0,.30); text-decoration: none; }
.scene-1 { margin-left: 26px; }
.scene-2 { margin-left: 12px; }
.scene-fig {
  width: 96px; height: 76px; border-radius: 9px; overflow: hidden;
  background: #f5f8fc; display: flex; align-items: center; justify-content: center;
}
.scene-fig img { max-width: 100%; max-height: 100%; object-fit: contain; padding: 6px; display: block; }
.scene-tx { min-width: 0; }
.scene-tx b { display: block; font-size: 13.5px; font-weight: 700; color: var(--c-text); line-height: 1.35; }
.scene-tx i { display: block; font-style: normal; font-size: 11px; color: var(--c-text-3); margin-top: 3px; line-height: 1.5; }
.scene-tx em {
  display: inline-flex; align-items: center; gap: 4px; margin-top: 6px;
  font-style: normal; font-size: 10.5px; font-weight: 600; color: var(--c-primary);
}

/* ---------- 26.2 产品分类大卡 ---------- */
.catb-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.catb {
  display: flex; flex-direction: column; overflow: hidden;
  background: #fff; border: 1px solid var(--c-border); border-radius: 14px;
  text-decoration: none; transition: all .2s ease;
}
.catb:hover { border-color: #b9d3f0; box-shadow: 0 14px 30px rgba(16,24,40,.10); transform: translateY(-3px); text-decoration: none; }
.catb.feat { grid-column: span 2; display: grid; grid-template-columns: 176px minmax(0, 1fr); }
.catb-fig {
  position: relative; height: 138px; overflow: hidden;
  background: linear-gradient(160deg, #f7fafd, #eef4fa);
  display: flex; align-items: center; justify-content: center;
}
.catb.feat .catb-fig { height: auto; min-height: 152px; }
.catb-fig img { max-width: 100%; max-height: 100%; object-fit: contain; padding: 14px; display: block; }
.catb-fig svg { width: 42px; height: 42px; color: #a8bcd2; }
.catb-n {
  position: absolute; left: 10px; top: 10px;
  background: rgba(11,23,41,.70); color: #fff;
  font-size: 10px; padding: 2px 8px; border-radius: 999px;
  font-variant-numeric: tabular-nums;
}
.catb-n b { font-weight: 700; }
.catb-body { padding: 12px 14px 13px; display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.catb-body b { font-size: 14px; font-weight: 700; color: var(--c-text); line-height: 1.4; }
.catb.feat .catb-body b { font-size: 15.5px; }
.catb-body i {
  font-style: normal; font-size: 11.5px; color: var(--c-text-3); line-height: 1.55;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.catb-body em {
  font-style: normal; margin-top: auto; padding-top: 8px;
  font-size: 11px; font-weight: 600; color: var(--c-primary);
  opacity: 0; transform: translateY(3px); transition: all .2s ease;
}
.catb:hover .catb-body em { opacity: 1; transform: none; }

/* ---------- 26.3 品牌卡 ---------- */
.hb-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(258px, 1fr)); gap: 10px; }
.hb-card {
  display: grid; grid-template-columns: 82px minmax(0, 1fr) auto;
  gap: 12px; align-items: center;
  background: #fff; border: 1px solid var(--c-border);
  border-radius: 12px; padding: 10px 12px;
  text-decoration: none; transition: all .18s ease;
}
.hb-card:hover { border-color: var(--c-primary); box-shadow: 0 10px 24px rgba(0,102,204,.11); text-decoration: none; }
.hb-logo { width: 82px; height: 46px; display: flex; align-items: center; justify-content: center; }
.hb-logo img {
  max-width: 100%; max-height: 100%; object-fit: contain;
  filter: grayscale(1) drop-shadow(0 0 1px rgba(16,24,40,.4));
  opacity: .85; transition: all .18s ease;
}
.hb-card:hover .hb-logo img { filter: none; opacity: 1; }
.hb-logo > b { font-size: 13px; font-weight: 700; color: var(--c-text-2); text-align: center; line-height: 1.2; }
.hb-tx { min-width: 0; }
.hb-tx b { display: block; font-size: 13px; font-weight: 700; color: var(--c-text); line-height: 1.35; }
.hb-tx i {
  display: block; font-style: normal; font-size: 10.5px; color: var(--c-text-3);
  margin-top: 3px; line-height: 1.5;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.hb-card em {
  font-style: normal; font-size: 10.5px; color: var(--c-text-3);
  background: var(--c-bg-3); border-radius: var(--r-pill); padding: 2px 8px;
  font-variant-numeric: tabular-nums; white-space: nowrap;
}
.hb-card:hover em { background: var(--c-primary-light); color: var(--c-primary); }

/* ---------- 26.4 响应式 ---------- */
@media (max-width: 1100px) {
  .hero2-in { grid-template-columns: 1fr; gap: 32px; }
  .hero2 h1 { font-size: 31px; }
  .hero2-scenes { flex-direction: row; flex-wrap: wrap; }
  .scene { flex: 1 1 260px; margin-left: 0 !important; }
  .catb-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .catb.feat { grid-column: span 2; grid-template-columns: 150px minmax(0, 1fr); }
}
@media (max-width: 767px) {
  .hero2 { padding: 30px 0 34px; }
  .hero2 h1 { font-size: 25px; }
  .hero2-copy p { font-size: 12.5px; }
  .hero2-ask { max-width: none; }
  .hero2-stats { gap: 22px; margin-top: 20px; }
  .hero2-stats b { font-size: 18px; }
  .scene { flex: 1 1 100%; }
  .scene-fig { width: 78px; height: 64px; }
  .scene { grid-template-columns: 78px minmax(0, 1fr); }
  .catb-grid { grid-template-columns: 1fr; gap: 10px; }
  .catb.feat { grid-column: auto; grid-template-columns: 120px minmax(0, 1fr); }
  .catb-fig, .catb.feat .catb-fig { height: auto; min-height: 108px; }
  .hb-grid { grid-template-columns: 1fr; }
}

/* 首页大卡：图更大，文字区垂直居中，避免下方大片空白 */
.catb.feat .catb-body { justify-content: center; padding: 16px 18px; }
.catb.feat .catb-fig img { padding: 10px; }
.catb.feat .catb-body i { -webkit-line-clamp: 3; }

/* ============================================================
   27. 页脚 v2 — 分角色联系 + 双二维码（与右侧悬浮一一对应）
   ============================================================ */

/* ---- 上部三栏：品牌 / 分角色电话 / 双二维码 ---- */
.footer .ft-top {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1.06fr) 268px;
  gap: 44px; align-items: start;
  padding-bottom: 28px;
}
.footer .ft-top h4 {
  display: flex; align-items: center; gap: 7px;
  font-size: 13px; font-weight: 700; color: #fff;
  margin: 0 0 14px; letter-spacing: .3px;
}
.footer .ft-top h4::before {
  content: ""; width: 3px; height: 12px; border-radius: 2px;
  background: linear-gradient(180deg, #4aa8ff, #1e6fe0);
}
.footer .ft-calls, .footer .ft-qrs {
  border-left: 1px solid rgba(255,255,255,.07);
  padding-left: 44px; margin-left: -22px;
}

/* 品牌块 */
.footer .ft-brand p {
  font-size: 12.5px; line-height: 1.9; color: #93a5bb;
  margin: 0; max-width: 420px;
}
.footer .ft-meta { list-style: none; margin: 16px 0 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.footer .ft-meta li {
  display: flex; gap: 9px; align-items: flex-start;
  font-size: 12px; color: #93a5bb; line-height: 1.7;
}
.footer .ft-meta svg { width: 14px; height: 14px; flex: 0 0 auto; margin-top: 4px; color: #5d7391; }
.footer .ft-meta a { display: inline; padding: 0; color: #93a5bb; }
.footer .ft-meta a:hover { color: #fff; }

/* 联系卡：一卡一角色，避免号码堆在一起分不清 */
.footer .ft-call {
  display: grid; grid-template-columns: 32px minmax(0, 1fr);
  gap: 11px; align-items: center;
  background: rgba(255,255,255,.045);
  border: 1px solid rgba(255,255,255,.085);
  border-radius: 10px; padding: 8px 12px; margin-bottom: 8px;
  text-decoration: none;
  transition: background var(--t-fast), border-color var(--t-fast), transform var(--t-fast);
}
.footer .ft-call:last-child { margin-bottom: 0; }
.footer .ft-call:hover {
  background: rgba(255,255,255,.085); border-color: rgba(255,255,255,.22);
  transform: translateX(2px); text-decoration: none;
}
.footer .ft-call .ft-ic {
  width: 32px; height: 32px; border-radius: 9px;
  background: rgba(0,110,220,.20); color: #6cc7ff;
  display: flex; align-items: center; justify-content: center;
}
.footer .ft-call .ft-ic svg { width: 16px; height: 16px; }
.footer .ft-call .ft-tx { min-width: 0; }
.footer .ft-call .ft-tx i { display: block; font-style: normal; font-size: 10.5px; color: #8b9cb2; letter-spacing: .2px; }
.footer .ft-call .ft-tx b {
  display: block; font-size: 15.5px; font-weight: 700; color: #fff;
  font-variant-numeric: tabular-nums; letter-spacing: .4px; margin: 1px 0 2px; line-height: 1.2;
  font-family: "Segoe UI", "Helvetica Neue", Arial, -apple-system, sans-serif;
}
.footer .ft-call .ft-tx em { display: block; font-style: normal; font-size: 10.5px; color: #7d8fa6; }
.footer .ft-call.dist .ft-ic { background: rgba(0,168,84,.18); color: #4be0a0; }

/* 二维码：统一白框、统一年级，两张看起来一样大 */
.footer .ft-qr-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; align-items: start; }
.footer .ft-qr { text-align: center; }
.footer .ft-qr-f {
  display: block; padding: 6px; background: #fff; border-radius: 9px;
  box-shadow: 0 2px 6px rgba(0,0,0,.28);
}
.footer .ft-qr-f img { display: block; width: 100%; height: auto; border-radius: 4px; }
.footer .ft-qr b { display: block; font-size: 12.5px; font-weight: 700; color: #e9eef5; margin-top: 9px; letter-spacing: .2px; }
.footer .ft-qr i { display: block; font-style: normal; font-size: 11px; color: #8b9cb2; margin-top: 3px; line-height: 1.5; }
.footer .ft-qr-tip {
  display: flex; align-items: center; gap: 6px;
  margin-top: 14px; padding: 7px 10px; border-radius: 8px;
  border: 1px solid rgba(255,255,255,.1); background: rgba(255,255,255,.03);
  font-size: 11.5px; color: #93a5bb;
}
.footer .ft-qr-tip span { color: #6cc7ff; font-weight: 600; }
.footer .ft-qr-tip svg { width: 12px; height: 12px; color: #6cc7ff; margin-left: auto; }
.footer .ft-qr-tip:hover { color: #fff; text-decoration: none; border-color: rgba(255,255,255,.22); }

/* 导航区 */
.footer .ft-nav {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px 32px; padding-top: 26px;
  border-top: 1px solid rgba(255,255,255,.085);
}
.footer .ft-nav h5 {
  display: flex; align-items: center; gap: 6px;
  font-size: 12px; font-weight: 700; color: #cfd8e3;
  margin: 0 0 11px; letter-spacing: .3px;
}
.footer .ft-nav h5::before { content: ""; width: 2px; height: 10px; border-radius: 1px; background: #2f7fe0; }
.footer .ft-nav-links { display: flex; flex-wrap: wrap; gap: 7px 16px; }
.footer .ft-nav-links a {
  display: inline; padding: 0; font-size: 12px; color: #8b9cb2;
  white-space: nowrap;
}
.footer .ft-nav-links a:hover { color: #fff; text-decoration: none; }

@media (max-width: 1180px) {
  .footer .ft-top { grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr) 268px; gap: 32px; }
  .footer .ft-calls, .footer .ft-qrs { padding-left: 32px; margin-left: -16px; }
}
@media (max-width: 1024px) {
  .footer .ft-top { grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); gap: 30px 34px; }
  .footer .ft-qrs { grid-column: 1 / -1; border-left: 0; padding-left: 0; margin-left: 0; }
  .footer .ft-qrs .ft-qr-row { grid-template-columns: repeat(2, 150px); }
  .footer .ft-qrs .ft-qr-tip { max-width: 274px; }
  .footer .ft-nav { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 767px) {
  .footer .ft-top { grid-template-columns: 1fr; gap: 26px; padding-bottom: 20px; }
  .footer .ft-calls { border-left: 0; padding-left: 0; margin-left: 0; }
  .footer .ft-brand p { font-size: 12px; }
  .footer .ft-qrs { grid-column: auto; }
  .footer .ft-qrs .ft-qr-row { grid-template-columns: repeat(2, minmax(0, 168px)); gap: 14px; }
  .footer .ft-nav { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px 16px; padding-top: 20px; }
  .footer .ft-call .ft-tx b { font-size: 15px; }
}

/* ==================================================================
   28. 代理资质标识 / 选型额度提示
   ================================================================== */
.ask-note { flex-wrap: wrap; }
.ask-note .an-tx { color: var(--c-text-3); }
.ask-note .an-q {
  font-style: normal; margin-left: 8px; padding-left: 8px;
  border-left: 1px solid var(--c-border); color: var(--c-text-2);
}
.ask-note .an-q:empty { display: none; }
.pl-em { color: var(--c-primary); font-weight: 600; }
.hb-auth {
  position: absolute; top: 8px; right: 8px;
  font-style: normal; font-size: 10px; line-height: 1;
  padding: 3px 5px; border-radius: 4px;
  background: rgba(22, 163, 74, .10); color: #15803d; font-weight: 600;
}
@media (max-width: 767px) {
  .ask-note { font-size: 11px; line-height: 1.6; }
  .ask-note .an-q { margin-left: 0; padding-left: 0; border-left: 0; display: block; width: 100%; }
}

/* ============================================================
   30. v15 版式体检修复
   30.1 品牌色  30.2 头部 LOGO  30.3 页脚 LOGO  30.4 区块头
   30.5 分类网格  30.6 卡片等高  30.7 解决方案  30.8 资讯
   30.9 品牌页  30.10 二维码  30.11 下载留资页
   ============================================================ */

/* ---------- 30.1 品牌识别色（取自 LOGO 深绛红，仅用于品牌标记） ---------- */
:root {
  --c-brand: #8c0001;
  --c-brand-2: #b01212;
  --c-brand-light: #fdf3f3;
}

/* ---------- 30.2 头部 LOGO 锁定组合 ---------- */
.header-logo { gap: 9px; }
.header-logo .hl-mark {
  height: 42px; width: auto; display: block;
  transition: height .24s ease;
}
.header-logo .hl-tx { display: flex; flex-direction: column; gap: 5px; }
.header-logo .hl-tx b {
  font-size: 18px; font-weight: 700; color: var(--c-brand);
  letter-spacing: 1.6px; line-height: 1;
}
.header-logo .hl-tx i {
  font-style: normal; font-size: 9px; font-weight: 600;
  color: #9aa3b1; letter-spacing: 2.5px; line-height: 1;
}
.header.is-stuck .header-logo .hl-mark { height: 34px; }
@media (max-width: 639px) {
  .header-logo .hl-mark { height: 34px; }
  .header-logo .hl-tx b { font-size: 16px; letter-spacing: 1px; }
  .header-logo .hl-tx i { font-size: 8px; letter-spacing: 2px; }
}

/* ---------- 30.3 页脚 LOGO ---------- */
.footer .ft-logo { display: block; margin: 0 0 14px; }
.footer .ft-logo img { height: 40px; width: auto; display: block; }

/* ---------- 30.4 区块头：右侧“更多”，不再挤在副标题下面 ---------- */
.section-head { position: relative; }
.section-head .section-more {
  position: absolute; right: 0; bottom: 0; margin: 0;
  display: inline-flex; align-items: center; gap: 4px;
  padding: 6px 13px; border-radius: var(--r-pill);
  border: 1px solid var(--c-border); background: #fff;
  font-size: var(--fs-sm); font-weight: 600; color: var(--c-primary);
  text-align: left; white-space: nowrap;
  transition: all var(--t-fast);
}
.section-head .section-more:hover {
  border-color: var(--c-primary); background: var(--c-primary-light);
  text-decoration: none;
}
@media (max-width: 980px) {
  .section-head .section-more { position: static; margin-top: 12px; }
}

/* ---------- 30.5 产品分类：末行居中，不再留半排空洞 ---------- */
.catb-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; }
.catb { flex: 0 1 calc((100% - 42px) / 4); max-width: calc((100% - 42px) / 4); }
.catb.feat { flex: 0 1 calc((100% - 14px) / 2); max-width: calc((100% - 14px) / 2); }
@media (max-width: 1100px) {
  .catb { flex-basis: calc((100% - 14px) / 2); max-width: calc((100% - 14px) / 2); }
  .catb.feat { flex-basis: 100%; max-width: 100%; }
}
@media (max-width: 767px) {
  .catb, .catb.feat { flex: 1 1 100%; max-width: 100%; }
}

/* ---------- 30.6 卡片：标题占两行，同一行卡片底边齐平 ---------- */
.card-title { min-height: 2.5em; }
.card:hover { transform: translateY(-3px); }
.card-media { background: #f7f8fb; }

/* ---------- 30.7 首页解决方案：紧凑双列，去掉大图 ---------- */
.sol-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
@media (max-width: 767px) { .sol-list { grid-template-columns: 1fr; } }
.sol-item {
  position: relative; display: block;
  padding: 18px 20px 16px 22px;
  background: #fff; border: 1px solid var(--c-border); border-radius: var(--r-md);
  transition: all .2s ease;
}
.sol-item::before {
  content: ""; position: absolute; left: 0; top: 18px; bottom: 18px; width: 3px;
  border-radius: 0 3px 3px 0;
  background: linear-gradient(180deg, var(--c-primary), #12a0c8);
  opacity: 0; transition: opacity .2s ease;
}
.sol-item:hover {
  border-color: #b9d3f0; box-shadow: 0 10px 24px rgba(16,24,40,.08);
  transform: translateY(-2px); text-decoration: none;
}
.sol-item:hover::before { opacity: 1; }
.sol-t {
  display: block; font-size: 15.5px; font-weight: 700; color: var(--c-text);
  line-height: 1.5; padding-right: 30px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.sol-d {
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  font-size: 13px; color: var(--c-text-3); line-height: 1.7; margin-top: 6px;
}
.sol-a {
  display: inline-flex; align-items: center; gap: 4px;
  margin-top: 10px; font-size: 12px; font-weight: 600; color: var(--c-primary);
}
.sol-a svg { width: 12px; height: 12px; transition: transform .2s ease; }
.sol-item:hover .sol-a svg { transform: translateX(3px); }

/* ---------- 30.8 首页资讯：编辑式卡片，无封面也不空 ---------- */
.news-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
@media (max-width: 980px) { .news-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 639px) { .news-grid { grid-template-columns: 1fr; } }
.news-card {
  position: relative; display: flex; flex-direction: column;
  padding: 20px 22px 18px;
  background: #fff; border: 1px solid var(--c-border); border-radius: var(--r-md);
  min-height: 178px; transition: all .2s ease;
}
.news-card:hover {
  border-color: #b9d3f0; box-shadow: 0 10px 24px rgba(16,24,40,.08);
  transform: translateY(-2px); text-decoration: none;
}
.nc-kind {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 11.5px; font-weight: 600; color: var(--c-primary);
  letter-spacing: .3px; margin-bottom: 10px;
}
.nc-kind::before { content: ""; width: 14px; height: 2px; border-radius: 2px; background: var(--c-primary); }
.nc-t {
  font-size: 15.5px; font-weight: 700; color: var(--c-text); line-height: 1.5;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.nc-d {
  margin-top: 8px; font-size: 13px; color: var(--c-text-3); line-height: 1.7;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.nc-go {
  margin-top: auto; padding-top: 14px;
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 12px; font-weight: 600; color: var(--c-text-2);
}
.nc-go svg { width: 13px; height: 13px; transition: transform .2s ease; }
.news-card:hover .nc-go { color: var(--c-primary); }
.news-card:hover .nc-go svg { transform: translateX(3px); }

/* ---------- 30.9 品牌页：LOGO 全彩、名称可两行、网格更密 ---------- */
.vc-logo img,
.brand-tile .bt-logo img,
.hb-logo img { filter: none; opacity: 1; }
.vc-logo { width: 78px; height: 40px; }
.vc-name {
  white-space: normal;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.brand-grid { grid-template-columns: repeat(auto-fill, minmax(132px, 1fr)); }
.bg-block { margin-bottom: var(--sp-5); }
.bg-head { margin-bottom: 10px; }
.brand-tile .bt-name { justify-content: flex-start; }

/* ---------- 30.10 二维码：加大尺寸、抬对比，便于手机扫 ---------- */
@media (min-width: 1181px) {
  .footer .ft-top { grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr) 340px; }
}
.footer .ft-qr-row { gap: 16px; }
.footer .ft-qr-f { padding: 8px; border-radius: 10px; }
.footer .ft-qr-f img { cursor: zoom-in; }
.dock-pop { width: 230px; }
.dock-pop img { width: 208px; height: 208px; }
@media (min-width: 768px) and (max-width: 900px) {
  .footer .ft-top { grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); }
}

/* ---------- 30.11 资料下载留资页 ---------- */
.dl-wrap {
  display: grid; grid-template-columns: minmax(0, 1fr) 386px;
  gap: var(--sp-7); align-items: start;
  padding: var(--sp-4) 0 var(--sp-8);
}
@media (max-width: 1024px) {
  .dl-wrap { grid-template-columns: 1fr; gap: var(--sp-6); }
}
.dl-kind { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 12px; }
.dl-kind .tag {
  font-size: 11px; font-weight: 700; letter-spacing: .6px;
  color: var(--c-brand); background: var(--c-brand-light);
  border: 1px solid #f0d6d6; border-radius: var(--r-pill); padding: 3px 10px;
}
.dl-size, .dl-times { font-size: 12px; color: var(--c-text-3); }
.dl-main h1 { font-size: 26px; line-height: 1.4; color: var(--c-text); margin-bottom: 14px; }
.dl-lead { font-size: 14.5px; color: var(--c-text-2); line-height: 1.85; max-width: 640px; }
.dl-points { list-style: none; margin: var(--sp-6) 0 0; padding: 0; display: grid; gap: 14px; }
.dl-points li { display: flex; gap: 12px; align-items: flex-start; }
.dl-points .dp-i {
  flex: 0 0 auto; width: 34px; height: 34px; border-radius: 10px;
  background: var(--c-primary-lighter); color: var(--c-primary);
  display: flex; align-items: center; justify-content: center;
}
.dl-points .dp-i svg { width: 17px; height: 17px; }
.dl-points b { display: block; font-size: 14px; color: var(--c-text); margin-bottom: 2px; }
.dl-points i { font-style: normal; font-size: 12.5px; color: var(--c-text-3); line-height: 1.7; }
.dl-back {
  display: inline-flex; align-items: center; gap: 6px; margin-top: var(--sp-6);
  font-size: 13.5px; font-weight: 600; color: var(--c-primary);
}
.dl-back svg { width: 14px; height: 14px; }

.dl-gate {
  background: #fff; border: 1px solid var(--c-border); border-radius: var(--r-lg);
  padding: var(--sp-6) var(--sp-5) var(--sp-5);
  box-shadow: 0 12px 32px rgba(16,24,40,.07);
  position: sticky; top: 84px;
}
@media (max-width: 1024px) { .dl-gate { position: static; } }
.dl-gate h3 { font-size: 18px; color: var(--c-text); margin-bottom: 6px; }
.dg-sub { font-size: 12.5px; color: var(--c-text-3); line-height: 1.7; margin-bottom: var(--sp-4); }
.dg-hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.dg-f { display: block; margin-bottom: 12px; }
.dg-f > span { display: block; font-size: 12.5px; color: var(--c-text-2); margin-bottom: 5px; }
.dg-f > span i { font-style: normal; color: var(--c-danger); }
.dg-f input {
  width: 100%; height: 40px; padding: 0 12px;
  border: 1px solid var(--c-border-2); border-radius: var(--r-sm);
  font-size: 13.5px; color: var(--c-text); background: #fcfdfe;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
.dg-f input:focus {
  outline: none; border-color: var(--c-primary); background: #fff;
  box-shadow: 0 0 0 3px rgba(0,102,204,.1);
}
.dg-f input::placeholder { color: #b3bac5; }
.dg-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.dg-btn { width: 100%; margin-top: 6px; }
.dg-btn:disabled { opacity: .65; cursor: not-allowed; }
.dg-msg { font-size: 12.5px; min-height: 18px; margin-top: 10px; }
.dg-msg.bad { color: var(--c-danger); }
.dg-msg.ok { color: var(--c-success); }
.dg-priv { font-size: 11px; color: var(--c-text-3); line-height: 1.65; margin-top: 4px; }

/* ============================================================
   31. 关于我们（v15 改版）— 白标 + 真品证据链
   ============================================================ */
.ab-hero { padding: 0; overflow: hidden; }
.ab-hero-in {
  display: grid; grid-template-columns: minmax(0, 1fr) 300px;
  gap: var(--sp-7); align-items: center;
  padding: var(--sp-8) var(--sp-7);
}
@media (max-width: 900px) {
  .ab-hero-in { grid-template-columns: 1fr; gap: var(--sp-6); padding: var(--sp-6) var(--sp-5); }
}
.ab-kicker {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 11.5px; font-weight: 600; letter-spacing: 1.4px;
  color: rgba(255,255,255,.6); text-transform: uppercase;
  margin-bottom: 14px;
}
.ab-kicker::before { content: ""; width: 22px; height: 1px; background: rgba(255,255,255,.45); }
.ab-hero h1 { font-size: 40px; line-height: 1.22; letter-spacing: -1px; margin-bottom: 16px; }
@media (max-width: 767px) { .ab-hero h1 { font-size: 28px; } }
.ab-hero p { color: rgba(255,255,255,.84); font-size: 15.5px; line-height: 1.9; max-width: 620px; }
.ab-hero p strong { color: #fff; font-weight: 600; }
.ab-mark {
  display: flex; flex-direction: column; align-items: center; gap: 18px;
  padding: 26px 20px 22px;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: var(--r-lg);
  background: rgba(255,255,255,.05);
  backdrop-filter: blur(2px);
}
.ab-mark img { width: 180px; height: auto; display: block; }
.ab-mark span {
  font-size: 10.5px; letter-spacing: 3px; color: rgba(255,255,255,.55);
}
@media (max-width: 900px) {
  .ab-mark { flex-direction: row; justify-content: flex-start; gap: 16px; padding: 16px 18px; }
  .ab-mark img { width: 108px; }
}

/* 真品证据条 */
.ab-proof {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px; background: var(--c-border);
  border: 1px solid var(--c-border); border-radius: var(--r-md);
  overflow: hidden; margin-top: calc(var(--sp-6) * -1);
  position: relative; z-index: 2; box-shadow: 0 14px 34px rgba(16,24,40,.10);
}
@media (max-width: 900px) { .ab-proof { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 0; } }
.ab-proof > div { background: #fff; padding: 20px 20px 18px; }
.ab-proof b {
  display: flex; align-items: center; gap: 7px;
  font-size: 14px; color: var(--c-text); margin-bottom: 6px;
}
.ab-proof b svg { width: 16px; height: 16px; color: var(--c-brand); flex: 0 0 auto; }
.ab-proof i { font-style: normal; font-size: 12.5px; color: var(--c-text-3); line-height: 1.7; display: block; }

/* 三张证据卡 */
.ab-why { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--sp-4); }
@media (max-width: 900px) { .ab-why { grid-template-columns: 1fr; } }
.ab-card {
  background: #fff; border: 1px solid var(--c-border); border-radius: var(--r-md);
  padding: 24px 22px 20px;
}
.ab-card .ab-n {
  font-size: 11px; font-weight: 700; letter-spacing: 1px; color: var(--c-brand);
  display: inline-flex; align-items: center; gap: 6px; margin-bottom: 12px;
}
.ab-card .ab-n::after { content: ""; width: 16px; height: 1px; background: #e6c9c9; }
.ab-card h3 { font-size: 17px; color: var(--c-text); margin-bottom: 8px; line-height: 1.45; }
.ab-card p { font-size: 13.5px; color: var(--c-text-2); line-height: 1.85; }

/* 原装品质四步 */
.ab-steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--sp-4); }
@media (max-width: 900px) { .ab-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .ab-steps { grid-template-columns: 1fr; } }
.ab-step {
  position: relative; background: #fff; border: 1px solid var(--c-border);
  border-radius: var(--r-md); padding: 20px 20px 18px;
}
.ab-step::after {
  content: ""; position: absolute; left: 20px; right: 20px; top: 0; height: 3px;
  border-radius: 0 0 3px 3px;
  background: linear-gradient(90deg, var(--c-brand), #c84040);
  opacity: .5;
}
.ab-step b { display: block; font-size: 14.5px; color: var(--c-text); margin-bottom: 7px; }
.ab-step p { font-size: 13px; color: var(--c-text-3); line-height: 1.8; }
.ab-step .ab-k {
  display: block; font-size: 10.5px; font-weight: 700; letter-spacing: 1.6px;
  color: #b9a0a0; margin-bottom: 8px;
}

/* 30.12 首页大卡：文字块真正居中（em 的 margin-top:auto 会顶开） */
.catb.feat .catb-body { justify-content: center; }
.catb.feat .catb-body em { margin-top: 0; padding-top: 10px; }

/* ---------- 32. 正文排版（资讯 / 评测 / 方案 同源内容） ----------
   历史内容来自公众号与 Word 粘贴：inline height、无边框表格、超宽图片都常见。
   这里统一兜底，保证任何一篇文章读起来都不散。 */
.pm-article {
  line-height: 1.95;
  color: var(--c-text-2);
  font-size: var(--fs-md);
  word-break: break-word;
}
.pm-article > p { margin: 0 0 1.05em; }
.pm-article h1, .pm-article h2, .pm-article h3, .pm-article h4 {
  color: var(--c-text); font-weight: 700; line-height: 1.45;
  margin: 1.9em 0 .7em;
}
.pm-article h2 { font-size: 22px; padding-left: 12px; border-left: 4px solid var(--c-primary); }
.pm-article h3 { font-size: 18px; }
.pm-article h4 { font-size: 16px; }
.pm-article strong, .pm-article b { color: var(--c-text); font-weight: 700; }
.pm-article a { color: var(--c-primary); text-decoration: underline; text-underline-offset: 2px; }
.pm-article ul, .pm-article ol { margin: 0 0 1.05em; padding-left: 1.5em; }
.pm-article li { margin-bottom: .4em; }
.pm-article blockquote {
  margin: 1.2em 0; padding: 12px 18px; border-left: 3px solid var(--c-accent);
  background: var(--c-bg-2); border-radius: 0 var(--r-sm) var(--r-sm) 0; color: var(--c-text-2);
}
/* 图片：干掉历史 inline height，避免手机端被压扁 */
.pm-article img {
  max-width: 100%; height: auto !important; display: block;
  margin: 1.3em auto; border-radius: var(--r-sm);
}
.pm-article figure { margin: 1.3em 0; }
.pm-article figcaption, .pm-article .img-caption {
  font-size: 13px; color: var(--c-text-3); text-align: center; margin-top: 6px;
}
/* 表格：Word/公众号粘贴过来通常 border=0，全部补齐 */
.pm-article table {
  width: 100% !important; border-collapse: collapse; margin: 1.3em 0;
  font-size: 14px; line-height: 1.6; background: #fff;
  table-layout: auto;
}
.pm-article th, .pm-article td {
  border: 1px solid var(--c-border) !important;
  padding: 10px 12px !important;
  text-align: left; vertical-align: top;
}
.pm-article th {
  background: var(--c-bg-2); color: var(--c-text); font-weight: 700; white-space: nowrap;
}
.pm-article tr:nth-child(even) td { background: #fbfcfd; }
.pm-article table p { margin: 0; }
/* 窄屏：表格与超宽内容横向滚动，不撑破版心 */
@media (max-width: 767px) {
  .pm-article { font-size: 15px; line-height: 1.9; }
  .pm-article h2 { font-size: 19px; }
  .pm-article h3 { font-size: 17px; }
  .pm-article table { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .pm-article th, .pm-article td { padding: 8px 10px !important; font-size: 13px; }
}

/* ---------- 33. 品牌 LOGO 恢复原色 + 尺寸统一 ----------
   之前为了"整齐"整片上了 grayscale(1) + opacity，把彩色logo的通版色吃掉了。
   改成：全部按原色显示，只用统一的盒高/内边距/描边保证节奏一致。 */
.brand-card img,
.bl-item img,
.lw-item img,
.vc-logo img,
.bm-item img,
.hb-logo img,
.brand-tile .bt-logo img,
.brand-tile .bt-logo picture img {
  filter: none !important;
  opacity: 1 !important;
  -webkit-filter: none !important;
}
/* 统一的尺寸节奏：盒高一致、等比缩放、四周留白一致 */
.bl-item img,
.lw-item img,
.bm-item img,
.vc-logo img,
.hb-logo img,
.brand-tile .bt-logo img { object-fit: contain; object-position: center; }

.bl-item    { height: 62px; }
.lw-item    { height: 62px; }
.bm-item    { height: 50px; }
.vc-logo    { width: 68px; height: 40px; }
.hb-logo    { width: 86px; height: 50px; }
.brand-tile .bt-logo { height: 74px; }

.bl-item img, .lw-item img { max-width: 88%; max-height: 42px; }
.bm-item img { max-width: 86%; max-height: 34px; }
.vc-logo img, .hb-logo img { max-width: 100%; max-height: 40px; }
.brand-tile .bt-logo img { max-width: 84%; max-height: 52px; }

/* hover 只提亮边框，不再靠"去灰"制造反馈 */
.bl-item:hover img, .lw-item:hover img, .vc-card:hover .vc-logo img,
.hb-card:hover .hb-logo img, .brand-card:hover img { filter: none !important; opacity: 1 !important; }

/* 二维码：改用矢量 SVG，由浏览器按目标尺寸精确栅格化。
   旧的 pixelated（最近邻）在 720px→88px 这类非整数缩小时会丢列/并模块，
   模块宽度在 1~2px 之间抖动，扫码器直接读不出——所以这里必须用默认平滑渲染。 */
.footer .ft-qr-f img, .dock-pop img, .dp-qr img, .lb-qr img {
  image-rendering: auto;
  filter: none;
  opacity: 1;
}

/* ---------- 34. 下载留资：验证码行 ---------- */
.dg-cap { display: flex; gap: 10px; align-items: flex-end; margin-bottom: 12px; }
.dg-cap-f { flex: 1 1 auto; min-width: 0; margin-bottom: 0 !important; }
.dg-cap-box { flex: 0 0 auto; display: flex; align-items: center; gap: 8px; }
.dg-cap-box img {
  display: block; width: 108px; height: 40px; border: 1px solid var(--c-border);
  border-radius: 6px; background: #fff; cursor: pointer;
  image-rendering: -webkit-optimize-contrast;
}
.dg-cap-box a { font-size: 12px; color: var(--c-primary); text-decoration: none; white-space: nowrap; }
.dg-cap-box a:hover { text-decoration: underline; }
@media (max-width: 420px) {
  .dg-cap { flex-wrap: wrap; }
  .dg-cap-box { width: 100%; justify-content: space-between; }
}

/* 密集规格表（列数 ≥5）：不折行 + 横向滚动，避免 "175 V" 被拆成两行 */
.pm-article table.is-dense { display: block; width: auto !important; max-width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; }
.pm-article table.is-dense th,
.pm-article table.is-dense td { white-space: nowrap; }
.pm-article table.is-dense td { font-variant-numeric: tabular-nums; }

/* 按钮内嵌图标默认没有尺寸，会被浏览器当成 300×150 撑爆按钮（下载按钮曾整块变橙） */
.btn svg { width: 18px; height: 18px; flex: 0 0 auto; }
.dg-btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; white-space: nowrap; }
.dg-btn svg { width: 20px; height: 20px; }

/* ============================================================
   35. 分销经理浮层 — 全站唯一实例，任意 [data-dist] 元素唤起
   桌面：跟随触发元素贴边弹出；≤640px：底部抽屉 + 遮罩
   ============================================================ */
.distpop {
  position: fixed; z-index: 200; width: 252px;
  background: #fff; border: 1px solid var(--c-border);
  border-radius: 14px; padding: 17px 16px 12px;
  box-shadow: 0 22px 56px rgba(9, 20, 38, .20), 0 2px 6px rgba(9, 20, 38, .06);
  text-align: left;
}
.distpop::before {
  content: ''; position: absolute; left: 16px; right: 16px; top: 0; height: 3px;
  border-radius: 0 0 3px 3px; background: var(--c-success);
}
.distpop[hidden] { display: none; }
.distpop.on { animation: dpIn .16s ease; }
@keyframes dpIn { from { opacity: 0; transform: translateY(6px) scale(.985); } to { opacity: 1; transform: none; } }

.dp-x {
  position: absolute; right: 8px; top: 9px; width: 26px; height: 26px;
  display: flex; align-items: center; justify-content: center;
  border: 0; background: transparent; border-radius: 50%;
  color: var(--c-text-3); cursor: pointer; transition: all .15s ease;
}
.dp-x:hover { background: var(--c-bg-3); color: var(--c-text); }
.dp-x svg { width: 14px; height: 14px; }

.dp-kicker { font-size: 11px; font-weight: 600; letter-spacing: .06em; color: var(--c-success); margin-bottom: 2px; }
.dp-title { font-size: 15px; font-weight: 700; color: var(--c-text); margin: 0 0 10px; letter-spacing: -.01em; }

.dp-tel {
  display: flex; align-items: baseline; gap: 8px;
  padding: 9px 11px; margin-bottom: 11px;
  border-radius: 9px; background: var(--c-primary-lighter);
  border: 1px solid #dbe9fb; transition: all .15s ease;
}
.dp-tel:hover { background: var(--c-primary-light); border-color: #bcd8f6; }
.dp-tel-k { font-size: 10px; font-weight: 700; letter-spacing: .08em; color: var(--c-primary); }
.dp-tel-n {
  font-size: 19px; font-weight: 700; color: var(--c-primary);
  font-variant-numeric: tabular-nums; letter-spacing: .01em; line-height: 1.2;
}

.dp-qr { display: block; text-align: center; }
.dp-qr img {
  display: block; width: 152px; height: 152px; margin: 0 auto;
  flex: none; object-fit: contain; cursor: zoom-in;
  border-radius: 8px; background: #fff;
}
.dp-qr-cap { display: block; margin-top: 9px; font-size: 12px; color: var(--c-text-2); line-height: 1.55; }
.dp-qr-cap em { display: block; margin-top: 2px; font-style: normal; font-size: 11px; color: var(--c-text-3); }

.dp-foot { margin-top: 10px; padding-top: 8px; border-top: 1px dashed var(--c-border); font-size: 11px; color: var(--c-text-3); }

/* 移动端：底部抽屉 */
@media (max-width: 640px) {
  .distpop {
    left: 0 !important; right: 0 !important; top: auto !important; bottom: 0;
    width: auto; border-radius: 16px 16px 0 0; padding: 18px 18px 22px;
    box-shadow: 0 -10px 40px rgba(9, 20, 38, .22);
  }
  .distpop::before { left: 18px; right: 18px; }
  .dp-qr img { width: 168px; height: 168px; }
}
.distmask {
  position: fixed; inset: 0; z-index: 199; background: rgba(9, 20, 38, .38);
  display: none; animation: dpFade .16s ease;
}
.distmask.on { display: block; }
@keyframes dpFade { from { opacity: 0; } to { opacity: 1; } }

@media (prefers-reduced-motion: reduce) {
  .distpop.on, .distmask.on { animation: none; }
}

/* 行内文字按钮（联系我们页「查看微信二维码」等） */
.lk-btn {
  display: inline; padding: 0; margin: 0; border: 0; background: none;
  color: var(--c-primary); font: inherit; font-size: var(--fs-sm);
  text-decoration: underline; text-underline-offset: 3px; cursor: pointer;
}
.lk-btn:hover { color: var(--c-primary-dark); }
.lk-btn:focus-visible { outline: 2px solid var(--c-primary); outline-offset: 2px; border-radius: 3px; }

/* 品类 chip 空态（保留排序位，但不给死链） */
.fchip-empty {
  color: var(--c-text-3); background: var(--c-bg-3);
  border-color: transparent; cursor: default; opacity: .62;
}
.fchip-empty i { color: var(--c-text-3); }



/* ============================================================
   37. 评测实验室 — 仪器/信号通道视觉，纯几何图形，无配图
   ============================================================ */
:root {
  --f-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
}

/* ---- 页头：标题 + 读数 ---- */
.lab-head {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: var(--sp-6); flex-wrap: wrap;
  padding-bottom: var(--sp-5); margin-bottom: var(--sp-5);
  border-bottom: 1px solid var(--c-border);
}
.lab-head-l h1 {
  font-size: var(--fs-3xl); line-height: 1.15; letter-spacing: -.02em;
  color: var(--c-text); font-weight: 750;
}
.lab-head-l h1::after {
  content: ""; display: block; width: 46px; height: 3px; margin-top: 12px;
  background: linear-gradient(90deg, var(--c-primary), #12a0c8);
}
.lab-head-l p {
  max-width: 620px; margin-top: 12px;
  font-size: var(--fs-base); color: var(--c-text-2); line-height: 1.75;
}
.lab-read { display: flex; gap: 0; }
.lab-read > div {
  padding: 0 26px; border-left: 1px solid var(--c-border);
}
.lab-read > div:first-child { padding-left: 0; border-left: 0; }
.lab-read dt {
  font-size: var(--fs-xs); color: var(--c-text-3); letter-spacing: .04em;
  margin-bottom: 6px;
}
.lab-read dd {
  font-family: var(--f-mono); font-size: 30px; font-weight: 700;
  color: var(--c-text); line-height: 1; font-variant-numeric: tabular-nums;
}
.lab-read dd i { font-style: normal; font-size: 12px; color: var(--c-text-3); margin-left: 3px; font-family: inherit; }

/* ---- 评测入口：全部报告主卡 + 四道工序卡（3 列 2 行）---- */
.lab-ch {
  display: grid;
  grid-template-columns: minmax(0, 1.42fr) repeat(2, minmax(0, 1fr));
  grid-template-rows: repeat(2, minmax(98px, auto));
  gap: 12px;
}
.lab-ch .ch {
  position: relative;
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr) auto;
  column-gap: 12px;
  align-items: center;
  padding: 14px 16px;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: 14px;
  overflow: hidden;
  transition: background .18s ease, border-color .18s ease,
              box-shadow .18s ease, transform .18s ease;
}
.lab-ch .ch::before {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 3px;
  background: var(--tint-ink, #8a919c);
  opacity: 0; transition: opacity .18s ease;
}
.lab-ch .ch:hover {
  background: #fbfcfe;
  border-color: var(--tint-line, var(--c-border-2));
  box-shadow: 0 6px 18px rgba(24, 40, 64, .08);
  text-decoration: none; transform: translateY(-2px);
}
.lab-ch .ch.on {
  background: var(--tint-bg); border-color: var(--tint-line);
  box-shadow: none; transform: none;
}
.lab-ch .ch.on::before { opacity: 1; }

/* 主卡：通栏示波屏 + 紧凑文字区 */
.lab-ch .ch-hero {
  grid-column: 1; grid-row: 1 / span 2;
  display: flex; flex-direction: column;
  align-items: stretch;   /* 覆盖 .ch 的 center，否则屏区宽度会被压成 0 */
  gap: 0; padding: 0; overflow: hidden;
}
.lab-ch .ch-hero .ch-top { position: relative; display: block; height: 98px; overflow: hidden; }
.ch-flag {
  position: absolute; top: 10px; right: 12px;
  font-family: var(--f-mono); font-size: 10px; letter-spacing: .14em;
  color: var(--tint-ink); background: var(--tint-chip);
  border-radius: 4px; padding: 3px 7px; line-height: 1.2;
}
.lab-ch .ch-hero .ch-ico {
  position: absolute; top: 0; right: 0; bottom: 0; left: 0;
  width: 100%; height: 100%;
  border: 0; border-radius: 0;
  border-bottom: 1px solid #283c50;
  box-shadow: none;
}
.lab-ch .ch-hero .ch-ico svg { width: 100%; height: 100%; display: block; }
.ch-body {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 14px; padding: 14px 18px 15px; min-width: 0;
}
.lab-ch .ch-hero .ch-tx { flex: 1 1 auto; min-width: 0; }
.lab-ch .ch-hero .ch-tx b { font-size: 18px; letter-spacing: -.015em; }
.lab-ch .ch-hero .ch-tx i {
  margin-top: 5px; font-size: 12px; line-height: 1.55;
  white-space: normal; overflow: visible;
}
.lab-ch .ch-hero .ch-n {
  flex: 0 0 auto; display: flex; align-items: baseline; gap: 4px;
  padding-bottom: 0; align-self: flex-end;
}
.lab-ch .ch-hero .ch-n b {
  font-size: 30px; font-weight: 700; letter-spacing: -.025em; line-height: 1;
}
.lab-ch .ch-hero .ch-n i {
  font-style: normal; font-size: 11.5px; color: var(--c-text-3); font-family: inherit;
}

/* 工序编号 */
.lab-ch .ch-step {
  position: absolute; top: 10px; right: 13px;
  font-family: var(--f-mono); font-size: 10.5px; letter-spacing: .1em;
  color: var(--c-text-3); opacity: .5; pointer-events: none;
}

/* 示波屏 */
.ch-ico {
  grid-column: 1; grid-row: 1 / span 2;
  position: relative;
  width: 56px; height: 40px;
  border-radius: 6px;
  background: #16222f;
  border: 1px solid #283c50;
  color: var(--scr-ink, #a6b6c6);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .07);
  overflow: hidden;
  transition: box-shadow .18s ease, border-color .18s ease;
}
.ch-ico svg { display: block; width: 56px; height: 40px; }
.scr-grid { stroke: #8fa6bd; stroke-opacity: .2; stroke-width: 1; }

/* 悬停时屏内走过一条扫描线，呼应示波器 */
.ch-ico::after {
  content: ""; position: absolute; top: 0; bottom: 0; left: -45%; width: 45%;
  background: linear-gradient(90deg, transparent, var(--scr-ink, #a6b6c6), transparent);
  opacity: 0; pointer-events: none;
}
.lab-ch .ch:hover .ch-ico::after { opacity: .3; animation: scrScan 1.5s linear infinite; }
@keyframes scrScan { 0% { transform: translateX(0); } 100% { transform: translateX(330%); } }

.lab-ch .ch.on .ch-ico {
  border-color: var(--scr-line, #35506a);
  box-shadow: 0 0 0 1px var(--tint-line), 0 3px 10px rgba(16, 32, 48, .2);
}
.ch-tx { grid-column: 2; grid-row: 1 / span 2; min-width: 0; }
.ch-tx b {
  display: block;
  font-size: 14px; font-weight: 700; color: var(--c-text);
  letter-spacing: -.01em; white-space: nowrap;
  overflow: hidden; text-overflow: ellipsis;
}
.ch-tx i {
  display: block; margin-top: 3px; font-style: normal;
  font-size: 11.5px; color: var(--c-text-3); line-height: 1.4;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.ch-n {
  grid-column: 3; grid-row: 1 / span 2;
  font-family: var(--f-mono); font-size: 15px; font-weight: 700;
  color: var(--c-text-3); font-variant-numeric: tabular-nums; line-height: 1;
  align-self: end; padding-bottom: 4px;
}
.lab-ch .ch.on .ch-n { color: var(--tint-ink); }

/* ---- 分区 ---- */
.lab-sec { margin-top: var(--sp-7); }
.lab-sec-head {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: var(--sp-4); flex-wrap: wrap;
}
.lab-sec-head h2 {
  position: relative; padding-left: 12px;
  font-size: var(--fs-xl); font-weight: 700; color: var(--c-text);
  letter-spacing: -.01em;
}
.lab-sec-head h2::before {
  content: ""; position: absolute; left: 0; top: 50%; transform: translateY(-50%);
  width: 4px; height: 17px; border-radius: 1px;
  background: linear-gradient(180deg, var(--c-primary), #12a0c8);
}
.lab-sec-sub { font-size: var(--fs-sm); color: var(--c-text-3); }
.lab-more {
  margin-left: auto; font-size: var(--fs-sm); font-weight: 600; color: var(--c-primary);
}
.lab-more:hover { text-decoration: none; opacity: .78; }

/* ---- 报告卡 ---- */
.lab-grid {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px;
}
.lab-card {
  display: flex; flex-direction: column; overflow: hidden;
  background: #fff; border: 1px solid var(--c-border); border-radius: 10px;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.lab-card:hover {
  transform: translateY(-3px);
  border-color: #b9d3f0; box-shadow: 0 12px 26px rgba(16,24,40,.09);
  text-decoration: none;
}
.lab-media { position: relative; aspect-ratio: 16/10; background: #f5f8fc; overflow: hidden; }
.lab-media img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .35s ease; }
.lab-card:hover .lab-media img { transform: scale(1.03); }
.lab-ph {
  width: 100%; height: 100%;
  background:
    repeating-linear-gradient(0deg, rgba(0,102,204,.08) 0 1px, transparent 1px 20px),
    repeating-linear-gradient(90deg, rgba(0,102,204,.08) 0 1px, transparent 1px 20px),
    linear-gradient(140deg, #f8fbfe, #eaf2fa);
}
.lab-badge {
  position: absolute; left: 10px; top: 10px;
  font-family: var(--f-mono); font-size: 10.5px; font-weight: 600;
  letter-spacing: .08em; line-height: 1;
  padding: 5px 7px; border-radius: 3px;
  color: var(--c-primary-deep); background: rgba(255,255,255,.94);
  box-shadow: 0 1px 4px rgba(16,24,40,.12);
}
.lab-body { padding: 13px 15px 15px; display: flex; flex-direction: column; flex: 1; }
.lab-body h3 {
  font-size: 15px; font-weight: 700; color: var(--c-text); line-height: 1.55;
  overflow-wrap: anywhere; word-break: break-word;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  min-height: 3.1em;
}
.lab-meta {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  margin-top: auto; padding-top: 10px;
  font-size: 12px; color: var(--c-text-3);
}
.lab-brand {
  color: var(--c-primary); font-weight: 600;
  background: var(--c-primary-light); padding: 1px 6px; border-radius: 3px;
}

/* ---- 评测视频 ---- */
.lab-vids {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px;
}
.vid-card {
  display: block; background: #fff; border: 1px solid var(--c-border);
  border-radius: 10px; overflow: hidden;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.vid-card:hover {
  transform: translateY(-3px); border-color: #b9d3f0;
  box-shadow: 0 12px 26px rgba(16,24,40,.09); text-decoration: none;
}
.vid-media { position: relative; aspect-ratio: 16/9; background: #eef3f9; overflow: hidden; }
.vid-media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.vid-play {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%);
  width: 42px; height: 42px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,.92); color: var(--c-primary);
  box-shadow: 0 4px 14px rgba(9,20,38,.22);
  transition: transform .2s ease, background .2s ease;
}
.vid-play svg { width: 18px; height: 18px; margin-left: 2px; }
.vid-card:hover .vid-play { transform: translate(-50%,-50%) scale(1.08); background: #fff; }
.vid-t {
  padding: 10px 12px 12px; font-size: 13.5px; font-weight: 600; color: var(--c-text);
  line-height: 1.55;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}

/* ---- 评测邀约 ---- */
.lab-cta {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--sp-5); flex-wrap: wrap;
  margin-top: var(--sp-7); padding: 22px 24px;
  background: #fff; border: 1px solid var(--c-border);
  border-left: 4px solid var(--c-accent); border-radius: 0 var(--r-md) var(--r-md) 0;
}
.lab-cta h3 { font-size: var(--fs-lg); font-weight: 700; color: var(--c-text); }
.lab-cta p { margin-top: 6px; font-size: var(--fs-sm); color: var(--c-text-2); line-height: 1.7; }
.lab-cta-a { display: flex; gap: 10px; flex-wrap: wrap; }

@media (max-width: 1100px) {
  .lab-ch { grid-template-columns: repeat(2, minmax(0, 1fr)); grid-template-rows: auto; }
  .lab-ch .ch-hero {
    grid-column: 1 / -1; grid-row: auto;
    flex-direction: row; align-items: stretch; gap: 0; padding: 0;
  }
  .lab-ch .ch-hero .ch-top { order: 1; flex: 0 0 280px; height: auto; min-height: 96px; }
  .lab-ch .ch-hero .ch-ico { border-bottom: 0; border-right: 1px solid #283c50; }
  .lab-ch .ch-hero .ch-body { order: 2; flex: 1 1 auto; align-items: center; }
  .lab-vids { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 960px) {
  .lab-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lab-head { align-items: flex-start; }
  .lab-read > div { padding: 0 18px; }
  .lab-read dd { font-size: 24px; }
}
@media (max-width: 640px) {
  .lab-head-l h1 { font-size: 26px; }
  .lab-read { width: 100%; margin-top: 4px; }
  .lab-read > div { flex: 1; padding: 0 12px; }
  .lab-ch { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 9px; }
  .lab-ch .ch { padding: 10px 11px; grid-template-columns: 42px minmax(0, 1fr) auto; column-gap: 7px; }
  .ch-ico { width: 42px; height: 30px; border-radius: 5px; }
  .ch-ico svg { width: 42px; height: 30px; }
  .ch-tx b { font-size: 12.5px; letter-spacing: 0; }
  .ch-tx i { display: none; }
  .ch-n { font-size: 11.5px; padding-bottom: 2px; }
  .lab-ch .ch-step { font-size: 9px; top: 7px; right: 9px; }
  .lab-ch .ch-hero { flex-direction: column; }
  .lab-ch .ch-hero .ch-top { flex: 0 0 auto; width: 100%; height: 74px; min-height: 0; }
  .lab-ch .ch-hero .ch-ico { border-right: 0; border-bottom: 1px solid #283c50; }
  .lab-ch .ch-hero .ch-body { align-items: flex-end; padding: 12px 14px 13px; }
  .lab-ch .ch-hero .ch-tx b { font-size: 16px; }
  .lab-ch .ch-hero .ch-tx i { font-size: 11.5px; }
  .lab-ch .ch-hero .ch-n b { font-size: 25px; }
  .lab-grid, .lab-vids { grid-template-columns: minmax(0, 1fr); }
  .lab-cta { padding: 18px; }
}
@media (max-width: 380px) {
  .lab-ch { grid-template-columns: minmax(0, 1fr); }
  .ch-tx i { display: block; }
  .lab-ch .ch-hero { flex-direction: column; align-items: flex-start; }
}

/* ============================================================
   38. 资料下载中心 — 柔和分项卡（图标 + 低饱和色）
   ============================================================ */
/* 四类资料各一档色调：底色极浅，图标块用同色加深，整体保持低对比 */
.k-slate  { --tint-bg:#eef1f6; --tint-line:#dde2ea; --tint-chip:#e6eaf1; --tint-ink:#5a6472; --scr-ink:#a7b7c8; --scr-line:#4a6076; }
.k-blue   { --tint-bg:#e9f2fd; --tint-line:#d3e4f8; --tint-chip:#d9eafa; --tint-ink:#2b78cf; --scr-ink:#6fb3f5; --scr-line:#356b9c; }
.k-teal   { --tint-bg:#e7f7f2; --tint-line:#cfeade; --tint-chip:#d5f0e7; --tint-ink:#0f8873; --scr-ink:#5bd3b5; --scr-line:#2c7d6c; }
.k-amber  { --tint-bg:#fdf2e4; --tint-line:#f3dfc4; --tint-chip:#fae6cd; --tint-ink:#bd6c19; --scr-ink:#f0b063; --scr-line:#8a5a25; }
.k-violet { --tint-bg:#efeafc; --tint-line:#ded5f5; --tint-chip:#e6dffa; --tint-ink:#5b4ec6; --scr-ink:#ad9ff2; --scr-line:#5a4c9e; }

.doc-head { margin-bottom: var(--sp-6); }
.dh-title {
  font-size: var(--fs-3xl); line-height: 1.15; letter-spacing: -.02em;
  font-weight: 750; color: var(--c-text);
}
.dh-lead {
  max-width: 660px; margin-top: 10px;
  font-size: var(--fs-base); color: var(--c-text-2); line-height: 1.75;
}
.dh-live {
  display: inline-flex; align-items: center; gap: 9px;
  margin-top: 16px; padding: 8px 16px 8px 13px; border-radius: var(--r-pill);
  background: #f5f7fa; border: 1px solid #eceff4;
  font-size: 12.5px; color: var(--c-text-2);
}
.dh-live b { font-family: var(--f-mono); font-size: 13px; color: var(--c-text); font-variant-numeric: tabular-nums; }
.dh-dot {
  flex: 0 0 auto; width: 7px; height: 7px; border-radius: 50%;
  background: #22c55e; box-shadow: 0 0 0 3px rgba(34,197,94,.14);
}

/* ---- 类目分项卡 ---- */
.doc-kinds { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.dk {
  position: relative; display: flex; flex-direction: column;
  padding: 18px 18px 17px; border-radius: 16px;
  background: linear-gradient(168deg, #ffffff 0%, #ffffff 22%, var(--tint-bg) 100%);
  border: 1px solid var(--tint-line);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.dk:hover {
  transform: translateY(-3px); text-decoration: none;
  border-color: var(--tint-chip);
  box-shadow: 0 14px 30px rgba(16,24,40,.08);
}
.dk-ico {
  width: 44px; height: 44px; border-radius: 14px; margin-bottom: 14px;
  display: flex; align-items: center; justify-content: center;
  background: var(--tint-chip); color: var(--tint-ink);
  transition: transform .2s ease;
}
.dk:hover .dk-ico { transform: translateY(-1px) scale(1.04); }
.dk-ico svg { display: block; width: 23px; height: 23px; }
.dk-name { font-size: 15.5px; font-weight: 700; color: var(--c-text); letter-spacing: -.01em; }
.dk-desc {
  margin-top: 6px; font-size: 12.5px; color: var(--c-text-3); line-height: 1.65;
  min-height: 3.3em;
}
.dk-n {
  display: inline-flex; align-items: baseline; gap: 3px; margin-top: 14px;
  font-family: var(--f-mono); font-size: 19px; font-weight: 700;
  color: var(--tint-ink); font-variant-numeric: tabular-nums; line-height: 1;
}
.dk-n i { font-style: normal; font-size: 11px; font-weight: 600; opacity: .62; }

/* 说明条：写在分项卡下面，弱化成一行 */
.doc-hint {
  display: flex; align-items: flex-start; gap: 8px;
  margin-top: 16px; font-size: 12.5px; color: var(--c-text-3); line-height: 1.7;
}
.doc-hint-dot {
  flex: 0 0 auto; width: 5px; height: 5px; margin-top: 8px; border-radius: 50%;
  background: #c3cddb;
}

/* ---- 分区 ---- */
.doc-sec { margin-top: var(--sp-7); }
.doc-sec-head {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: var(--sp-4); flex-wrap: wrap;
}
.ds-mark {
  flex: 0 0 auto; width: 9px; height: 9px; border-radius: 3px;
  background: var(--tint-ink); box-shadow: 0 0 0 4px var(--tint-bg);
}
.ds-title { font-size: var(--fs-xl); font-weight: 700; color: var(--c-text); letter-spacing: -.01em; }
.ds-n {
  font-size: 12.5px; color: var(--c-text-3); font-variant-numeric: tabular-nums;
  padding: 3px 9px; border-radius: var(--r-pill); background: #f4f6f9;
}
.ds-more { margin-left: auto; font-size: var(--fs-sm); font-weight: 600; color: var(--c-primary); }
.ds-more i { font-style: normal; transition: margin-left .18s ease; }
.ds-more:hover { text-decoration: none; opacity: .8; }
.ds-more:hover i { margin-left: 3px; }

/* ---- 文档行卡 ---- */
.doc-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.doc-card {
  display: flex; gap: 14px; padding: 14px;
  background: #fff; border: 1px solid var(--c-border); border-radius: 8px;
  transition: border-color .18s ease, box-shadow .18s ease, transform .18s ease;
}
.doc-card:hover {
  border-color: #b9d3f0; box-shadow: 0 10px 22px rgba(16,24,40,.08);
  transform: translateY(-2px);
}
.dc-cover {
  position: relative; flex: 0 0 96px; width: 96px; align-self: stretch; min-height: 112px;
  display: flex; align-items: center; justify-content: center;
  background: #f7f8fb; border: 1px solid var(--c-border); border-radius: 4px;
  overflow: hidden;
}
.dc-cover img { width: 100%; height: 100%; object-fit: contain; display: block; }
.dc-blank { width: 30px; height: 30px; color: #c3cddb; }
.dc-blank svg { display: block; width: 100%; height: 100%; }
.dc-ext {
  position: absolute; right: 0; bottom: 0;
  font-family: var(--f-mono); font-size: 9px; font-weight: 700; letter-spacing: .06em;
  color: #fff; background: var(--c-primary); padding: 2px 4px 1px;
  border-top-left-radius: 3px;
}
.dc-body { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.dc-title {
  font-size: 14.5px; font-weight: 700; line-height: 1.55; color: var(--c-text);
  overflow-wrap: anywhere; word-break: break-word;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.dc-title a { color: inherit; }
.dc-title a:hover { color: var(--c-primary); text-decoration: none; }
.dc-meta {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  margin-top: 8px; font-size: 11.5px; color: var(--c-text-3);
  font-variant-numeric: tabular-nums;
}
.dc-brand {
  color: var(--c-primary); font-weight: 600;
  background: var(--c-primary-light); padding: 1px 6px; border-radius: 3px;
}
.dc-sz::before { content: ""; display: inline-block; width: 1px; height: 9px; background: var(--c-border-2); margin-right: 8px; vertical-align: -1px; }
.dc-acts { display: flex; gap: 8px; margin-top: auto; padding-top: 10px; }
.dc-btn {
  font-size: 12px; font-weight: 600; line-height: 1;
  padding: 7px 12px; border: 1px solid var(--c-border-2); border-radius: 5px;
  color: var(--c-text-2); background: #fff;
  transition: all .16s ease;
}
.dc-btn:hover { border-color: var(--c-primary); color: var(--c-primary); text-decoration: none; }
.dc-btn-pri { background: var(--c-primary); border-color: var(--c-primary); color: #fff; }
.dc-btn-pri:hover { background: var(--c-primary-dark); border-color: var(--c-primary-dark); color: #fff; }

/* ---- 底部引导 ---- */
.doc-cta {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--sp-5); flex-wrap: wrap;
  margin-top: var(--sp-7); padding: 24px;
  background: linear-gradient(135deg, var(--c-primary-lighter), #fff);
  border: 1px dashed #c9dcf1; border-radius: var(--r-md);
}
.dcta-txt h3 { font-size: var(--fs-lg); font-weight: 700; color: var(--c-text); }
.dcta-txt p { margin-top: 6px; font-size: var(--fs-sm); color: var(--c-text-2); line-height: 1.75; max-width: 560px; }
.dcta-acts { display: flex; gap: 10px; flex-wrap: wrap; }

@media (max-width: 1100px) {
  .doc-kinds { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 960px) {
  .doc-grid { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 640px) {
  .dh-title { font-size: 26px; }
  .doc-kinds { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .dk { padding: 14px 14px 13px; border-radius: 14px; }
  .dk-ico { width: 36px; height: 36px; border-radius: 11px; margin-bottom: 10px; }
  .dk-ico svg { width: 18px; height: 18px; }
  .dk-name { font-size: 14px; }
  .dk-desc { min-height: 0; font-size: 11.5px; }
  .dk-n { margin-top: 10px; font-size: 17px; }
  .dc-cover { flex-basis: 76px; width: 76px; }
  .doc-cta { padding: 18px; }
}

/* ============================================================
   39. 应用方案 — 方向索引 + 案例卡
   ============================================================ */
.sol-head {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: var(--sp-6); flex-wrap: wrap; margin-bottom: var(--sp-5);
}
.sol-head-l h1 {
  font-size: var(--fs-3xl); line-height: 1.15; letter-spacing: -.02em;
  font-weight: 750; color: var(--c-text);
}
.sol-head-l p {
  max-width: 640px; margin-top: 10px;
  font-size: var(--fs-base); color: var(--c-text-2); line-height: 1.75;
}
.sol-facts { display: flex; gap: 12px; flex-wrap: wrap; }
.sf {
  display: flex; align-items: center; gap: 12px; min-width: 172px;
  padding: 12px 20px 12px 13px; border-radius: 14px;
  background: linear-gradient(168deg, #ffffff 0%, #ffffff 20%, var(--tint-bg) 100%);
  border: 1px solid var(--tint-line);
}
.sf-ico {
  flex: 0 0 auto; width: 38px; height: 38px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  background: var(--tint-chip); color: var(--tint-ink);
}
.sf-ico svg { display: block; width: 19px; height: 19px; }
.sf-b {
  display: block; font-family: var(--f-mono); font-size: 22px; font-weight: 700;
  line-height: 1; color: var(--c-text); font-variant-numeric: tabular-nums;
}
.sf-l { display: block; margin-top: 5px; font-size: 11.5px; color: var(--c-text-3); }

/* ---- 应用方向索引 ---- */
.sol-dirs {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: flex-start; gap: 14px;
  padding: 14px 0; margin-bottom: var(--sp-5);
  background: rgba(255,255,255,.96);
  backdrop-filter: saturate(180%) blur(6px);
  border-bottom: 1px solid var(--c-border);
}
.sol-dirs-k {
  flex: 0 0 auto; padding-top: 7px;
  font-size: 12px; color: var(--c-text-3); letter-spacing: .04em;
}
.sol-dirs-v { display: flex; flex-wrap: wrap; gap: 8px; }
.sol-dirs .dir {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 13px; font-size: 13px; line-height: 1.4;
  color: var(--c-text-2); background: #fff;
  border: 1px solid var(--c-border-2); border-radius: var(--r-pill);
  transition: all .16s ease;
}
.sol-dirs .dir i {
  font-style: normal; font-size: 10.5px; color: var(--c-text-3);
  font-variant-numeric: tabular-nums;
}
.sol-dirs .dir:hover {
  border-color: var(--c-primary); color: var(--c-primary); text-decoration: none;
}
.sol-dirs .dir:hover i { color: var(--c-primary); }
.sol-dirs .dir.on {
  background: var(--c-primary); border-color: var(--c-primary);
  color: #fff; font-weight: 600;
}
.sol-dirs .dir.on i { color: rgba(255,255,255,.78); }
.sol-dirs .dir.off {
  color: var(--c-text-3); background: #fafbfc;
  border-style: dashed; cursor: default; opacity: .58;
}
.sol-dirs .dir.off:hover { border-color: var(--c-border-2); color: var(--c-text-3); }

/* ---- 方案卡 ---- */
.sol-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.sol-card {
  display: flex; flex-direction: column; overflow: hidden;
  background: #fff; border: 1px solid var(--c-border); border-radius: 10px;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.sol-card:hover {
  transform: translateY(-3px); border-color: #b9d3f0;
  box-shadow: 0 12px 26px rgba(16,24,40,.09); text-decoration: none;
}
.sol-media { position: relative; aspect-ratio: 16/10; background: #f2f6fb; overflow: hidden; }
.sol-media img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .35s ease; }
.sol-card:hover .sol-media img { transform: scale(1.03); }
.sol-ph {
  width: 100%; height: 100%;
  background:
    radial-gradient(circle at 22% 26%, rgba(0,102,204,.14), transparent 42%),
    radial-gradient(circle at 78% 72%, rgba(18,160,200,.16), transparent 46%),
    linear-gradient(140deg, #f4f9fe, #e7eff8);
}
.sol-tag {
  position: absolute; left: 10px; bottom: 10px;
  font-size: 11px; font-weight: 600; line-height: 1;
  padding: 5px 8px; border-radius: 4px;
  color: #fff; background: rgba(9,20,38,.72);
  backdrop-filter: blur(2px);
}
.sol-body { padding: 14px 16px 14px; display: flex; flex-direction: column; flex: 1; }
.sol-body .sol-t {
  font-size: 15px; font-weight: 700; color: var(--c-text); line-height: 1.55;
  overflow-wrap: anywhere; word-break: break-word;
  padding-right: 0; display: -webkit-box; -webkit-line-clamp: 2;
  -webkit-box-orient: vertical; overflow: hidden; min-height: 3.1em;
}
.sol-x {
  margin-top: 7px; font-size: 12.5px; color: var(--c-text-3); line-height: 1.7;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.sol-meta {
  display: flex; align-items: center; gap: 6px; flex-wrap: wrap;
  margin-top: auto; padding-top: 12px;
  font-size: 11.5px; color: var(--c-text-3);
  font-variant-numeric: tabular-nums;
}
.sol-meta .dot { color: var(--c-border-2); }
.sol-go { margin-left: auto; font-weight: 600; color: var(--c-primary); font-size: 12px; }
.sol-card:hover .sol-go { text-decoration: none; }

/* ---- 空态 ---- */
.sol-empty {
  text-align: center; padding: 64px 20px;
  background: #fff; border: 1px dashed var(--c-border-2); border-radius: var(--r-md);
}
.sol-empty p { font-size: var(--fs-base); color: var(--c-text-3); }
.sol-empty-a { display: flex; gap: 10px; justify-content: center; margin-top: 18px; flex-wrap: wrap; }

/* ---- 底部引导 ---- */
.sol-cta {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--sp-5); flex-wrap: wrap;
  margin-top: var(--sp-7); padding: 24px;
  background: linear-gradient(135deg, #f3f8fd, #fff);
  border: 1px solid var(--c-border); border-radius: var(--r-md);
}
.sol-cta-l h3 { font-size: var(--fs-lg); font-weight: 700; color: var(--c-text); }
.sol-cta-l p { margin-top: 6px; font-size: var(--fs-sm); color: var(--c-text-2); line-height: 1.75; max-width: 620px; }
.sol-cta-r { display: flex; gap: 10px; flex-wrap: wrap; }

@media (max-width: 1100px) {
  .sol-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 960px) {
  .sol-head { align-items: flex-start; }
  .sol-dirs { position: static; }
}
@media (max-width: 640px) {
  .sol-head-l h1 { font-size: 26px; }
  .sol-facts { width: 100%; }
  .sf { flex: 1; min-width: 0; padding: 11px 14px 11px 11px; }
  .sol-grid { grid-template-columns: minmax(0, 1fr); }
  .sol-dirs { flex-direction: column; gap: 6px; padding: 10px 0; }
  .sol-dirs-k { padding-top: 0; }
  /* 方向多，窄屏改成单行横向滑动，避免 chips 占满首屏 */
  .sol-dirs-v {
    flex-wrap: nowrap; overflow-x: auto; overflow-y: hidden;
    padding: 1px 16px 5px; margin: 0 -16px;
    -webkit-overflow-scrolling: touch; scrollbar-width: none;
  }
  .sol-dirs-v::-webkit-scrollbar { display: none; }
  .sol-dirs .dir { flex: 0 0 auto; white-space: nowrap; }
  .sol-cta { padding: 18px; }
}

/* 资料列表页：品牌墙与筛选面板压紧，避免筛选区比内容还高 */
.filter-panel .brand-logo-grid {
  grid-template-columns: repeat(auto-fill, minmax(88px, 1fr)); gap: 6px;
}
.filter-panel .bl-item,
.filter-panel .bl-more { height: 46px; padding: 5px; }
.filter-panel .bl-txt { font-size: 11px; line-height: 1.25; }

/* 资料卡：类型角标（与品牌角标并列出现） */
.dc-k {
  font-size: 10.5px; font-weight: 600; color: var(--c-text-2);
  background: var(--c-bg-3); padding: 1px 6px; border-radius: 3px;
}

/* 顶部信息条：窄屏只留热线，避免整站横向溢出 */
@media (max-width: 767px) {
  .topbar-l { justify-content: center; width: 100%; gap: 8px; overflow: hidden; }
  .topbar-l > .tb-hi, .topbar-l > .tb-sep { display: none; }
}
@media (max-width: 430px) {
  .topbar-l > span:last-child { display: none; }
}

/* 灯箱：授权书 / 证书页内放大，补一个关闭提示，避免用户以为卡住 */
.lb { padding: 24px 24px 54px; }
.lb img { cursor: zoom-out; background: #fff; }
.lb::after {
  content: "按 Esc 或点击空白处关闭";
  position: absolute; left: 50%; bottom: 18px; transform: translateX(-50%);
  font-size: 12px; color: rgba(255, 255, 255, .52); letter-spacing: .02em;
}
.cert-frame { cursor: zoom-in; }

/* 二维码放大层：矢量图放到 460px，白底足量静区，手机扫屏幕一次成 */
.lb.lb-qr img {
  width: min(84vw, 460px); height: auto;
  max-width: min(84vw, 460px); max-height: 64vh;
  padding: 16px; background: #fff;
  border-radius: 14px; box-shadow: 0 26px 70px rgba(0, 0, 0, .6);
}
.lb.lb-qr::after { content: "微信扫一扫 · 点空白处关闭"; }

/* ============================================================
   文档预览器（PDF.js 自绘，不依赖浏览器 PDF 插件）
   —— 手机 / 微信 / iOS 均可显示，不触发下载
   ============================================================ */
.docv {
  position: fixed; inset: 0; z-index: 320;
  display: flex; flex-direction: column;
  background: #0d151e;
  animation: docvIn .18s ease;
}
.docv[hidden] { display: none; }
@keyframes docvIn { from { opacity: 0 } to { opacity: 1 } }

.docv-bar {
  flex: none; display: flex; align-items: center; gap: 14px;
  height: 52px; padding: 0 16px;
  background: #0d151e; border-bottom: 1px solid rgba(255, 255, 255, .08);
}
.docv-name {
  min-width: 0; font-size: 13.5px; font-weight: 600; color: #e8eef5;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.docv-tools { margin-left: auto; display: flex; align-items: center; gap: 6px; flex: none; }
.docv-count {
  font: 500 12px/1 ui-monospace, SFMono-Regular, Menlo, monospace;
  color: #9fb0c4; padding: 0 8px; letter-spacing: .3px;
  font-variant-numeric: tabular-nums;
}
.docv-btn, .docv-x {
  display: flex; align-items: center; justify-content: center;
  width: 32px; height: 32px; border: 0; border-radius: 8px;
  background: rgba(255, 255, 255, .07); color: #d6e0ec;
  font-size: 17px; line-height: 1; cursor: pointer;
  transition: background .14s ease, color .14s ease;
}
.docv-btn:hover, .docv-x:hover { background: rgba(255, 255, 255, .15); color: #fff; }
.docv-btn:disabled { opacity: .32; cursor: default; }
.docv-x { margin-left: 6px; position: relative; color: #d6e0ec; }
.docv-x svg { display: none; }
.docv-x::before, .docv-x::after {
  content: ""; position: absolute; left: 50%; top: 50%;
  width: 13px; height: 1.6px; border-radius: 1px; background: currentColor;
}
.docv-x::before { transform: translate(-50%, -50%) rotate(45deg); }
.docv-x::after { transform: translate(-50%, -50%) rotate(-45deg); }

.docv-stage {
  flex: 1; min-height: 0; overflow: auto; overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  padding: 20px 16px 40px; background: #131d28;
}
.docv-pages { display: flex; flex-direction: column; align-items: center; gap: 18px; }

.docv-pg {
  position: relative; background: #fff; border-radius: 3px;
  box-shadow: 0 10px 34px rgba(0, 0, 0, .45);
  overflow: hidden; flex: none;
}
.docv-pg canvas { display: block; width: 100%; height: auto; }
.docv-pg.is-wait::after {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 2px;
  background: linear-gradient(90deg, transparent, #0066cc, transparent);
  animation: docvScan 1.1s ease-in-out infinite;
}
@keyframes docvScan { 0% { transform: translateY(0) } 100% { transform: translateY(60vh) } }

.docv-msg {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
  max-width: min(420px, 82vw); padding: 22px 26px;
  background: rgba(255, 255, 255, .96); border-radius: 12px;
  color: #33404f; font-size: 13px; line-height: 1.75; text-align: center;
}
.docv-msg b { display: block; margin-bottom: 6px; color: #16222f; font-size: 14px; }
.docv-msg a { color: #0066cc; text-decoration: underline; text-underline-offset: 3px; }

/* 纸上不给"另存/拖拽"的机会 */
.docv-pages, .docv-pg canvas { user-select: none; -webkit-user-select: none; -webkit-touch-callout: none; }
.docv-pg canvas { pointer-events: none; }

@media (max-width: 640px) {
  .docv-bar { height: 46px; padding: 0 10px; gap: 8px; }
  .docv-name { font-size: 12.5px; }
  .docv-count { padding: 0 4px; font-size: 11px; }
  .docv-btn, .docv-x { width: 30px; height: 30px; border-radius: 7px; }
  .docv-stage { padding: 12px 8px 28px; }
  .docv-pages { gap: 12px; }
}

@media print {
  .docv { display: none !important; }
}

/* 末尾说明：让"这只是试读"这件事在阅读终点明确一次 */
.docv-end {
  flex: none; display: flex; flex-direction: column; gap: 5px;
  align-items: center; text-align: center;
  margin: 4px 0 8px; padding: 16px 20px;
  border-top: 1px solid rgba(255, 255, 255, .1);
  max-width: 620px;
}
.docv-end-t { font-size: 13px; font-weight: 600; color: #d6e0ec; letter-spacing: .4px; }
.docv-end-s { font-size: 12px; line-height: 1.7; color: #8395a9; }

@media (max-width: 640px) {
  .docv-end { padding: 14px 12px; margin: 2px 0 4px; }
  .docv-end-t { font-size: 12.5px; }
  .docv-end-s { font-size: 11.5px; }
}

/* 授权文件：只给页内预览，不给原图地址 */
[data-cert] { cursor: zoom-in; }