/* ==========================================================================
   予华仪器 — 高端响应式样式
   配色：深蓝科技 + 青色点缀 + 大量留白
   ========================================================================== */

/* ---------- 设计变量 ---------- */
:root {
  --c-navy: #0a1f3c;
  --c-navy-2: #0b2545;
  --c-navy-3: #13315c;
  --c-cyan: #00b4d8;
  --c-cyan-soft: #48cae4;
  --c-blue: #1e88e5;
  --c-ink: #16263f;
  --c-text: #33425b;
  --c-muted: #6b7a92;
  --c-line: #e4e9f2;
  --c-bg: #f6f8fc;
  --c-white: #ffffff;
  --c-card: #ffffff;

  --grad-hero: linear-gradient(135deg, #08182f 0%, #0b2545 48%, #0d3556 100%);
  --grad-cyan: linear-gradient(120deg, #00b4d8 0%, #1e88e5 100%);
  --grad-text: linear-gradient(120deg, #00b4d8 0%, #48cae4 55%, #90e0ef 100%);
  --grad-gold: linear-gradient(120deg, #f5a623 0%, #f7c948 100%);
  --c-gold: #f5a623;
  --c-gold-soft: #fdf1d8;

  --tint-1: #f2f7fd;
  --tint-2: #e8f1fb;
  --shadow-soft: 0 16px 42px rgba(8, 24, 47, 0.07);

  --shadow-sm: 0 2px 8px rgba(10, 31, 60, 0.06);
  --shadow-md: 0 12px 30px rgba(10, 31, 60, 0.10);
  --shadow-lg: 0 24px 60px rgba(10, 31, 60, 0.16);

  --radius: 18px;
  --radius-sm: 12px;
  --maxw: 1400px;
  --nav-h: 76px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* ---------- 基础重置 ---------- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-h);
}
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", system-ui, -apple-system, sans-serif;
  color: var(--c-text);
  background: var(--c-bg);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
}
ul {
  list-style: none;
}
h1, h2, h3, h4 {
  color: var(--c-ink);
  line-height: 1.25;
  font-weight: 700;
}
.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- 通用按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  border: none;
  cursor: pointer;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), background 0.25s var(--ease);
  white-space: nowrap;
}
/* 按钮内图标：SVG 未写宽高，默认会按容器 100% 宽渲染——按钮被拉满宽（如手机端）时会爆成巨图 */
.btn svg {
  width: 16px;
  height: 16px;
  flex: 0 0 auto;
}
.btn-primary {
  background: var(--grad-cyan);
  color: #fff;
  box-shadow: 0 10px 24px rgba(0, 180, 216, 0.32);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 32px rgba(0, 180, 216, 0.42);
}
.btn-ghost {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.35);
  backdrop-filter: blur(4px);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.22);
}
.btn-outline {
  background: transparent;
  color: var(--c-navy);
  border: 1.5px solid var(--c-cyan);
}
.btn-outline:hover {
  background: var(--grad-cyan);
  color: #fff;
}

/* ---------- 导航栏 ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-h);
  z-index: 100;
  display: flex;
  align-items: center;
  transition: background 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.site-header.scrolled {
  background: rgba(255, 255, 255, 0.92);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 20px;
  color: #fff;
  letter-spacing: 0.5px;
}
.site-header.scrolled .brand {
  color: var(--c-navy);
}
.brand .logo-mark {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--grad-cyan);
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 18px;
  box-shadow: 0 6px 16px rgba(0, 180, 216, 0.4);
}
.brand .logo-img {
  height: 44px;
  width: auto;
  flex: 0 0 auto;
  object-fit: contain;
  filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.35));
}
/* 导航 logo 随底色切换：深色底用白版，浅色底（scrolled 白背景）用彩色版 */
.brand .logo-nav-color {
  display: none;
}
.site-header.scrolled .logo-nav-white {
  display: none;
}
.site-header.scrolled .logo-nav-color {
  display: block;
}
.brand small {
  display: block;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 2px;
  opacity: 0.7;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 34px;
}
.nav-links a {
  color: rgba(255, 255, 255, 0.9);
  font-weight: 500;
  font-size: 15px;
  position: relative;
  transition: color 0.25s;
}
.site-header.scrolled .nav-links a {
  color: var(--c-text);
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 2px;
  background: var(--grad-cyan);
  transition: width 0.28s var(--ease);
}
.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}
/* ---------- 导航下拉：产品中心（两竖排分类） ---------- */
.nav-item {
  position: relative;
}
.nav-trigger {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
}
.nav-caret {
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid currentColor;
  opacity: 0.7;
  transition: transform 0.25s var(--ease);
}
.nav-item:hover .nav-caret,
.nav-item.open .nav-caret {
  transform: rotate(180deg);
}
.nav-drop {
  position: absolute;
  top: 100%;
  left: 50%;
  min-width: 520px;
  padding-top: 16px;              /* 与导航之间留出缓冲，鼠标移过去不会断 */
  transform: translate(-50%, 10px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.25s var(--ease), transform 0.25s var(--ease), visibility 0.25s;
  z-index: 60;
}
.nav-item:hover .nav-drop,
.nav-item:focus-within .nav-drop,
.nav-item.open .nav-drop {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translate(-50%, 0);
}
.nav-drop-inner {
  padding: 18px 20px 14px;
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: 16px;
  box-shadow: 0 22px 50px rgba(8, 24, 47, 0.22);
  /* 分类较多（21 类）时限制面板高度，避免超出视口 */
  max-height: calc(100vh - var(--nav-h) - 32px);
  overflow-y: auto;
  scrollbar-width: thin;
}
.nav-drop-inner::-webkit-scrollbar {
  width: 6px;
}
.nav-drop-inner::-webkit-scrollbar-thumb {
  background: rgba(10, 31, 60, 0.18);
  border-radius: 999px;
}
.nd-title {
  display: block;
  margin-bottom: 12px;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-cyan);
}
/* 两竖排：两列网格，每列自上而下排列 */
.nd-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px 12px;
}
/* 下拉里的链接要压过 .nav-links a 的白色文字与下划线动画 */
.nav-links .nav-drop a {
  color: var(--c-text);
}
.nav-links .nav-drop a::after {
  display: none;
}
.nd-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 7px 10px;
  border-radius: 9px;
  font-size: 13.5px;
  line-height: 1.35;
  transition: background 0.22s var(--ease), color 0.22s var(--ease);
}
.nd-item:hover {
  background: linear-gradient(120deg, rgba(0, 180, 216, 0.1), rgba(30, 136, 229, 0.08));
  color: var(--c-navy);
}
/* 占位分类：名称与普通分类完全一致，不做任何颜色/标签区分，保证下拉整列文字统一 */
.nd-all {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: 12px;
  padding-top: 13px;
  border-top: 1px dashed var(--c-line);
  font-size: 14px;
  font-weight: 600;
  color: var(--c-cyan);
  transition: gap 0.25s var(--ease);
}
.nd-all:hover {
  color: var(--c-navy);
  gap: 12px;
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 14px;
}
.nav-cta .btn {
  padding: 9px 18px;
  font-size: 14px;
}
.nav-phone {
  color: #fff;
  font-weight: 800;
  font-size: 18px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.site-header.scrolled .nav-phone {
  color: var(--c-navy);
}
.nav-phone .np-ico {
  width: 20px;
  height: 20px;
  flex: 0 0 auto;
}
.nav-phone .np-24h {
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.4px;
  line-height: 1;
  padding: 4px 8px;
  border-radius: 7px;
  background: var(--grad-cyan);
  color: #fff;
  margin: 0 6px 0 0;
  white-space: nowrap;
}
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.hamburger span {
  width: 26px;
  height: 2.5px;
  background: #fff;
  border-radius: 2px;
  transition: 0.3s;
}
.site-header.scrolled .hamburger span {
  background: var(--c-navy);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  /* dvh 在移动端随地址栏收展变化，下滑时高度跳动；svh 取最小视口、保持稳定 */
  min-height: 84dvh;
  min-height: 84svh;
  display: flex;
  align-items: center;
  background: var(--grad-hero);
  color: #fff;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(72, 202, 228, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(72, 202, 228, 0.07) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: radial-gradient(ellipse 80% 70% at 70% 30%, #000 30%, transparent 75%);
}
.hero::after {
  content: "";
  position: absolute;
  width: 620px;
  height: 620px;
  right: -160px;
  top: -160px;
  background: radial-gradient(circle, rgba(0, 180, 216, 0.35), transparent 62%);
  filter: blur(10px);
}
.hero .container {
  position: relative;
  z-index: 2;
  padding-top: calc(var(--nav-h) + 30px);
  padding-bottom: 44px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 50px;
  align-items: center;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px;
  border-radius: 999px;
  background: rgba(0, 180, 216, 0.15);
  border: 1px solid rgba(72, 202, 228, 0.4);
  color: var(--c-cyan-soft);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 24px;
}
.hero h1 {
  color: #fff;
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.15;
  margin-bottom: 22px;
  letter-spacing: 1px;
}
.hero h1 .accent {
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero p.lead {
  font-size: clamp(16px, 1.6vw, 19px);
  color: rgba(255, 255, 255, 0.82);
  max-width: 540px;
  margin-bottom: 34px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 50px;
  flex-wrap: wrap;
}
.hero-stats .stat strong {
  display: block;
  font-size: 32px;
  font-weight: 800;
  color: #fff;
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-stats .stat span {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.65);
}
/* Hero 右侧：高低温一体机 + 玻璃反应釜 + 旋转蒸发器 组合运行图 */
.hero-visual {
  position: relative;
  display: grid;
  place-items: center;
}
.hero-visual .rig {
  position: relative;
  width: min(600px, 100%);
}
.hero-visual .rig::before {
  content: "";
  position: absolute;
  inset: -12% -6%;
  border-radius: 50%;
  background: radial-gradient(closest-side at 54% 40%, rgba(0, 180, 216, 0.22), rgba(0, 180, 216, 0.06) 62%, transparent 78%);
  z-index: 0;
}
.hero-visual .rig-svg {
  position: relative;
  width: 100%;
  height: auto;
  filter: drop-shadow(0 16px 34px rgba(0, 40, 70, 0.5));
  animation: rigFloat 7s ease-in-out infinite;
}
@keyframes rigFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
@keyframes rigFlow { to { stroke-dashoffset: -28; } }
.hero-visual .flow {
  stroke-dasharray: 5 9;
  animation: rigFlow 1.3s linear infinite;
}
@keyframes rigBub {
  0% { transform: translateY(0); opacity: 0; }
  30% { opacity: .9; }
  100% { transform: translateY(-30px); opacity: 0; }
}
.hero-visual .bub { animation: rigBub 2.8s ease-in infinite; }
.hero-visual .bubs circle:nth-child(2) { animation-delay: .9s; }
.hero-visual .bubs circle:nth-child(3) { animation-delay: 1.8s; }
.hero-visual .rig-label {
  fill: #7fd7ec;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 2px;
  text-anchor: middle;
  stroke: none;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ---------- 区块通用 ---------- */
/* 模块纵向留白：压缩至原来的一半以下，首页更紧凑 */
.section {
  padding: 52px 0;
}
.section-head {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 30px;
}
.section-head .eyebrow {
  color: var(--c-navy);
  font-weight: 700;
  letter-spacing: 2px;
  font-size: 12.5px;
  text-transform: uppercase;
  display: inline-block;
  margin: 0 auto 14px;
  padding: 6px 16px;
  border-radius: 999px;
  background: linear-gradient(120deg, rgba(0, 180, 216, 0.14), rgba(30, 136, 229, 0.12));
  box-shadow: inset 0 0 0 1px rgba(0, 180, 216, 0.28);
}
.section-head .eyebrow::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--c-gold);
  margin-right: 9px;
  vertical-align: middle;
  box-shadow: 0 0 0 3px rgba(245, 166, 35, 0.18);
}
.section-head h2 {
  font-size: clamp(32px, 4.2vw, 48px);
  margin-bottom: 12px;
}
.section-head p {
  color: var(--c-muted);
  font-size: 19px;
  line-height: 1.8;
}
.bg-soft {
  background: linear-gradient(180deg, var(--tint-1) 0%, var(--tint-2) 100%);
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
}
.divider-cyan {
  width: 72px;
  height: 4px;
  border-radius: 4px;
  background: var(--grad-cyan);
  margin: 0 auto 22px;
  box-shadow: 0 4px 14px rgba(0, 180, 216, 0.4);
}

/* ---------- banner 下方产品快速搜索 ---------- */
.quick-search {
  background: linear-gradient(180deg, #eef4fb 0%, var(--c-bg) 100%);
  padding: 0 0 4px;
  margin-top: -8px;
}
.qs-form {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--c-white);
  border: 1.5px solid var(--c-line);
  border-radius: 999px;
  padding: 12px 14px 12px 24px;
  box-shadow: var(--shadow-lg);
  max-width: 880px;
  margin: -44px auto 18px;
  position: relative;
  z-index: 5;
}
.qs-ico {
  color: var(--c-cyan);
  display: flex;
  flex: 0 0 auto;
}
.qs-ico svg { width: 24px; height: 24px; }
.qs-form input {
  flex: 1;
  min-width: 0;
  border: none;
  outline: none;
  background: transparent;
  font-size: 17px;
  color: var(--c-ink);
}
.qs-form input::placeholder { color: var(--c-muted); }
.qs-form .btn { flex: 0 0 auto; padding: 14px 32px; font-size: 16px; }
.qs-hint {
  text-align: center;
  font-size: 14px;
  color: var(--c-muted);
  padding-bottom: 16px;
}
.qs-hint span { color: var(--c-ink); font-weight: 600; }
.qs-hint a {
  display: inline-block;
  margin: 4px 6px;
  padding: 6px 16px;
  border-radius: 999px;
  background: var(--c-white);
  border: 1px solid var(--c-line);
  color: var(--c-navy);
  font-size: 14px;
  transition: all .25s var(--ease);
}
.qs-hint a:hover {
  border-color: var(--c-cyan);
  color: var(--c-cyan);
  transform: translateY(-2px);
}

/* 内页搜索按钮：窄框 + 主色胶囊按钮 */
.toolbar-search-btn {
  flex: 0 0 auto;
  padding: 11px 24px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
}

/* ---------- 关于 + 数据 ---------- */
.about-grid {
  display: grid;
  /* 文案列略宽于图片列，图片不再靠右推远，整体视觉更紧凑 */
  grid-template-columns: 1.25fr 1fr;
  gap: 28px;
  align-items: center;
}
.about-text p {
  color: var(--c-text);
  margin-bottom: 18px;
}

/* 关于我们：公司简介右侧的公司图片占位位 */
.about-visual {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: #dbe5f0;
  border: 1.5px dashed rgba(10, 31, 60, 0.22);
  aspect-ratio: 5 / 3;
  max-height: 300px;
  width: 100%;
  display: grid;
  place-items: center;
  box-shadow: var(--shadow-md);
}
.about-visual .av-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.about-visual .av-tip {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  color: rgba(10, 31, 60, 0.55);
  background: rgba(255, 255, 255, 0.72);
  border-radius: 999px;
  padding: 7px 16px;
  white-space: nowrap;
}
@media (max-width: 640px) {
  .about-visual { max-height: 220px; }
  .about-visual .av-tip { font-size: 12px; padding: 6px 14px; }
}

/* ---------- 首页公司简介：品牌力量（左视频 / 右图文） ---------- */
.brand-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 48px;
  align-items: center;
}
.brand-media video {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #06101f;
  border-radius: 10px;
  object-fit: cover;
  box-shadow: var(--shadow-lg);
}
.brand-info h3 {
  font-size: clamp(24px, 2.6vw, 32px);
  color: var(--c-navy);
  margin-bottom: 16px;
}
.brand-info > p {
  color: var(--c-text);
  line-height: 1.9;
  text-align: justify;
  margin-bottom: 28px;
}
.brand-nav {
  display: flex;
  gap: clamp(16px, 3vw, 36px);
  margin-bottom: 30px;
  flex-wrap: wrap;
}
.brand-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  min-width: 88px;
}
.bn-circle {
  width: 76px;
  height: 76px;
  border-radius: 50%;
  background: linear-gradient(150deg, #1f6fc4, #123a63);
  color: #fff;
  display: grid;
  place-items: center;
  box-shadow: 0 10px 22px rgba(18, 58, 99, 0.28);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), background .3s var(--ease);
}
.bn-circle svg {
  width: 30px;
  height: 30px;
}
.brand-nav-item:hover .bn-circle {
  transform: translateY(-4px);
  background: linear-gradient(150deg, #0083b0, #00b4d8);
  box-shadow: 0 14px 28px rgba(0, 132, 176, 0.35);
}
.bn-cn {
  font-size: 14px;
  font-weight: 700;
  color: var(--c-navy);
}
.bn-en {
  font-size: 11px;
  letter-spacing: 1px;
  color: var(--c-muted);
  text-transform: uppercase;
}
.brand-more {
  min-width: 148px;
}
@media (max-width: 992px) {
  .brand-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .brand-nav {
    justify-content: flex-start;
  }
}
@media (max-width: 640px) {
  .bn-circle { width: 64px; height: 64px; }
  .bn-circle svg { width: 26px; height: 26px; }
  .brand-nav-item { min-width: 72px; }
}

/* ---------- 公司图片展示区 ---------- */
.company-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 26px;
}
.media-slot {
  position: relative;
  min-height: 240px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--c-line);
  background:
    linear-gradient(135deg, rgba(255,255,255,.05), rgba(255,255,255,.12)),
    var(--grad-hero);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: #fff;
  text-align: center;
  padding: 24px;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease);
}
.media-slot::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(120% 120% at 50% 0%, rgba(0,180,216,.18), transparent 60%);
  pointer-events: none;
}
.media-slot:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.media-ico {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(255,255,255,.14);
  color: var(--c-cyan-soft);
  z-index: 1;
}
.media-ico svg { width: 26px; height: 26px; }
.media-label {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: .5px;
  z-index: 1;
}
.media-sub {
  font-size: 14px;
  color: rgba(255,255,255,.72);
  z-index: 1;
}
.stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 30px;
}
.stat-card {
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  padding: 34px 28px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
  position: relative;
  overflow: hidden;
}
.stat-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--grad-cyan);
}
.stat-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}
.stat-card .num {
  font-size: 44px;
  font-weight: 800;
  background: var(--grad-cyan);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.stat-card .num small {
  font-size: 20px;
}
.stat-card .label {
  color: var(--c-muted);
  margin-top: 6px;
  font-size: 15px;
}

/* ---------- 产品卡片 ---------- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

/* ===== 封面页：右侧按分类分组的产品列表（每分类一行 4 个，无页码）===== */
.cat-section { margin-top: 30px; }
.cat-section:first-of-type { margin-top: 0; }
.cat-section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 12px;
  margin-bottom: 16px;
  border-bottom: 2px solid var(--c-border, #e6ebf2);
}
.cat-section-head h2 {
  position: relative;
  margin: 0;
  padding-left: 14px;
  font-size: clamp(18px, 1.6vw, 22px);
  color: var(--c-navy);
}
.cat-section-head h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 18px;
  border-radius: 2px;
  background: var(--c-primary, #1d6fb8);
}
.cat-more {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 14px;
  color: var(--c-primary, #1d6fb8);
  text-decoration: none;
  white-space: nowrap;
}
.cat-more svg { width: 16px; height: 16px; }
.cat-more:hover { text-decoration: underline; }
.cat-tag {
  display: inline-block;
  margin-left: 10px;
  padding: 1px 9px;
  font-size: 12px;
  font-weight: 500;
  line-height: 1.7;
  color: #fff;
  background: var(--c-primary, #1d6fb8);
  border-radius: 10px;
  vertical-align: 2px;
  letter-spacing: .5px;
}
.product-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
/* 封面页：产品卡改为紧凑小方格（正方形缩略图 + 单行标题） */
.product-row .product-thumb {
  height: auto;
  aspect-ratio: 1 / 1;
}
.product-row .product-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.product-row .product-body { padding: 14px 14px 16px; }
.product-row .product-body h3 {
  font-size: 16px;
  margin: 0 0 8px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.product-row .product-body .more { margin-top: 10px; padding: 6px 12px; font-size: 13px; }
@media (max-width: 992px) {
  .product-row { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 680px) {
  .product-row { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  /* 手机端产品卡：标题缩小（单行不换行，继承基础规则的单行截断） */
  .product-thumb { height: 150px; }
  .product-card .product-body { padding: 12px 12px 14px; }
  .product-card .product-body h3 {
    font-size: 15px;
    line-height: 1.45;
    margin: 4px 0 10px;
  }
  .product-card .product-body .more { margin-top: 10px; padding: 7px 13px; font-size: 13px; }
  .product-thumb .cat-badge { top: 10px; left: 10px; font-size: 11px; padding: 3px 9px; }
}
/* 左右结构 + 4 列：卡片适中收紧，去掉简介后高度统一 */
@media (min-width: 993px) {
  /* 左右结构下右侧较窄，间距相应收紧 */
  .product-grid { gap: 16px; }
  .product-grid .product-thumb { height: 178px; }
  .product-grid .product-thumb svg { width: 96px; height: 96px; }
  .product-grid .product-body { padding: 16px 16px 18px; }
  .product-grid .product-body h3 {
    font-size: 16px;
    line-height: 1.45;
    margin: 5px 0 0;
    min-height: 45px;          /* 标题统一两行，卡片高度对齐 */
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  .product-grid .product-body .more {
    margin-top: 12px;
    font-size: 13px;
  }
  .product-grid .product-thumb .cat-badge {
    top: 10px;
    left: 10px;
    font-size: 11px;
    padding: 3px 9px;
  }
}

/* ---------- 通用分页 ---------- */
.pager {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-top: 48px;
  flex-wrap: wrap;
}
.pager[hidden] { display: none; }
.pg-btn {
  min-width: 42px;
  height: 42px;
  padding: 0 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 600;
  color: var(--c-navy);
  background: var(--c-card);
  border: 1px solid var(--c-line);
  border-radius: 8px;
  cursor: pointer;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease),
    background 0.25s var(--ease), transform 0.25s var(--ease);
}
.pg-btn:hover {
  color: var(--c-cyan);
  border-color: var(--c-cyan);
  transform: translateY(-2px);
}
.pg-btn.is-cur {
  color: #fff;
  background: var(--c-navy);
  border-color: var(--c-navy);
  cursor: default;
}
.pg-btn.is-cur:hover { transform: none; color: #fff; }
.pg-btn.is-disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
  color: var(--c-muted);
  border-color: var(--c-line);
}
.pg-btn.is-disabled:hover { color: var(--c-muted); border-color: var(--c-line); transform: none; }
.pg-prev, .pg-next { font-size: 20px; line-height: 1; }
.pg-dots {
  min-width: 24px;
  text-align: center;
  color: var(--c-muted);
  font-size: 15px;
  user-select: none;
}

/* ---------- 分页（迅睿 {$pages} 默认结构：.pagination > ul > li > a/span） ----------
   原先只有静态站自定义的 .pg-btn 样式，迅睿后台输出的 {$pages} 用的是
   .pagination 结构，未被样式覆盖 → 页码显示为浏览器默认无样式。
   这里统一成与 .pg-btn 一致的视觉：圆角按钮、深蓝当前页、悬停青色。 */
.pagination {
  margin: 44px 0 12px;
  display: flex;
  justify-content: center;
}
.pagination ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  padding: 0;
  margin: 0;
}
.pagination li a,
.pagination li span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 42px;
  height: 42px;
  padding: 0 12px;
  font-size: 15px;
  font-weight: 600;
  color: var(--c-navy);
  background: var(--c-card);
  border: 1px solid var(--c-line);
  border-radius: 8px;
  text-decoration: none;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease),
    background 0.25s var(--ease), transform 0.25s var(--ease);
}
.pagination li a:hover {
  color: var(--c-cyan);
  border-color: var(--c-cyan);
  transform: translateY(-2px);
}
.pagination li.active a,
.pagination li.active span {
  color: #fff;
  background: var(--c-navy);
  border-color: var(--c-navy);
  cursor: default;
}
.pagination li.active a:hover {
  transform: none;
  color: #fff;
}
/* 迅睿默认把「首页/上一页/下一页/尾页」标了 .hidden-xs，
   在我们站点里保留可见（不引入 Bootstrap 的 hidden 规则） */
.pagination li.hidden-xs { display: list-item; }
.product-card {
  background: var(--c-card);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s;
  display: flex;
  flex-direction: column;
}
.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(0, 180, 216, 0.4);
}
.product-thumb {
  height: 190px;
  display: grid;
  place-items: center;
  background: linear-gradient(160deg, #eef4fb 0%, #dcebf7 100%);
  position: relative;
}
.product-thumb svg {
  width: 110px;
  height: 110px;
  transition: transform 0.4s var(--ease);
}
.product-card:hover .product-thumb svg {
  transform: scale(1.08);
}
.product-thumb .cat-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2; /* 保证角标在产品照片之上 */
  background: rgba(10, 31, 60, 0.85);
  color: #fff;
  font-size: 12px;
  padding: 4px 12px;
  border-radius: 999px;
  letter-spacing: 0.5px;
}
.product-body {
  padding: 22px 22px 26px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.product-body .model {
  font-size: 13px;
  color: var(--c-cyan);
  font-weight: 700;
  letter-spacing: 1px;
}
.product-body h3 {
  font-size: 19px;
  margin: 6px 0 10px;
  /* 与产品中心封面页一致：标题单行不换行，超长省略号截断 */
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.product-body p {
  color: var(--c-muted);
  font-size: 14px;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.product-body .more {
  margin-top: 16px;
  align-self: flex-start;
  color: var(--c-navy);
  font-weight: 600;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 999px;
  background: rgba(0, 180, 216, 0.14);
  white-space: nowrap; /* 防止窄屏下「查看详情」文字换行变形 */
  transition: background .25s var(--ease), color .25s var(--ease);
}
.product-card:hover .more {
  color: #fff;
  background: var(--grad-cyan);
}
.product-body .more svg {
  width: 16px;
  height: 16px;
  transition: transform 0.25s;
}
.product-card:hover .more svg {
  transform: translateX(4px);
}

/* ---------- 优势 ---------- */
.adv-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}
.adv-card {
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  padding: 34px 26px;
  text-align: center;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.adv-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}
.adv-card .ico {
  width: 64px;
  height: 64px;
  margin: 0 auto 18px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(0, 180, 216, 0.14), rgba(30, 136, 229, 0.14));
  display: grid;
  place-items: center;
}
.adv-card .ico svg {
  width: 32px;
  height: 32px;
  stroke: var(--c-cyan);
}
.adv-card .ico img {
  width: 40px;
  height: 40px;
  object-fit: contain;
  display: block;
}
.adv-card h3 {
  font-size: 19px;
  margin-bottom: 10px;
}
.adv-card p {
  color: var(--c-muted);
  font-size: 14px;
}

/* ---------- 新闻 ---------- */
/* ---------- 新闻：头条图文 ---------- */
/* 左右分栏：左头条图文 / 右文字列表 */
.news-split {
  display: grid;
  grid-template-columns: 0.86fr 1fr;
  gap: 24px;
  align-items: stretch;
}
.news-featured {
  margin-bottom: 0;
  display: flex;
}
.nf-card {
  width: 100%;
  display: grid;
  /* 竖版：图片在上，文字在下 */
  grid-template-columns: 1fr;
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: 20px;
  overflow: hidden;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s var(--ease);
}
.nf-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(0, 180, 216, 0.4);
}
.nf-media {
  position: relative;
  min-height: 0;
  aspect-ratio: 2 / 1;
  overflow: hidden;
  background: linear-gradient(160deg, #eef4fb, #dcebf7);
}
.nf-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.7s var(--ease);
}
.nf-card:hover .nf-media img {
  transform: scale(1.06);
}
.nf-badge {
  position: absolute;
  top: 13px;
  left: 13px;
  z-index: 2;
  background: var(--grad-cyan);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  padding: 5px 13px;
  border-radius: 999px;
  box-shadow: 0 6px 18px rgba(0, 180, 216, 0.35);
}
.nf-body {
  padding: 18px 22px 20px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}
.nf-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 11px;
}
.nf-date {
  font-size: 14px;
  color: var(--c-muted);
  letter-spacing: 0.5px;
}
.nf-body h3 {
  font-size: clamp(17px, 1.35vw, 20px);
  line-height: 1.45;
  color: var(--c-navy);
  margin-bottom: 9px;
}
.nf-body p {
  color: var(--c-muted);
  font-size: 13.5px;
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.nf-more {
  margin-top: 12px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--c-cyan);
  font-weight: 700;
  font-size: 13.5px;
}
.nf-more em {
  font-style: normal;
  transition: transform 0.3s var(--ease);
}
.nf-card:hover .nf-more em {
  transform: translateX(5px);
}

/* ---------- 右栏：文字列表 ---------- */
.news-textlist {
  display: flex;
  flex-direction: column;
  padding: 17px 20px 13px;
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: 20px;
  box-shadow: var(--shadow-sm);
}
.nt-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--c-line);
}
.nt-head h3 {
  font-size: 17px;
  color: var(--c-navy);
}
.nt-head-link {
  font-size: 13px;
  color: var(--c-muted);
  letter-spacing: 0.5px;
}
.nt-head-link:hover {
  color: var(--c-cyan);
}
.nt-list {
  flex: 1;
  display: flex;
  flex-direction: column;
}
.nt-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 11px 0;
  border-bottom: 1px dashed var(--c-line);
  transition: color 0.25s var(--ease);
}
.nt-item:last-child {
  border-bottom: none;
}
.nt-date {
  flex: 0 0 auto;
  width: 50px;
  padding: 5px 0;
  border-radius: var(--radius-sm);
  background: linear-gradient(160deg, #f2f7fc, #e7f1fa);
  text-align: center;
  transition: background 0.3s var(--ease);
}
.nt-date b {
  display: block;
  font-size: 17px;
  line-height: 1.1;
  color: var(--c-navy);
}
.nt-date em {
  display: block;
  font-style: normal;
  font-size: 11px;
  color: var(--c-muted);
  margin-top: 2px;
}
.nt-title {
  flex: 1;
  min-width: 0;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--c-text);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.nt-arrow {
  flex: 0 0 auto;
  font-style: normal;
  font-size: 20px;
  color: var(--c-muted);
  transition: transform 0.3s var(--ease), color 0.3s var(--ease);
}
.nt-item:hover .nt-title {
  color: var(--c-cyan);
}
.nt-item:hover .nt-date {
  background: var(--grad-cyan);
}
.nt-item:hover .nt-date b,
.nt-item:hover .nt-date em {
  color: #fff;
}
.nt-item:hover .nt-arrow {
  color: var(--c-cyan);
  transform: translateX(4px);
}
.nt-all {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 10px;
  padding: 10px 0 2px;
  border-top: 1px solid var(--c-line);
  font-size: 13.5px;
  font-weight: 700;
  color: var(--c-cyan);
}
.nt-all em {
  font-style: normal;
  transition: transform 0.3s var(--ease);
}
.nt-all:hover em {
  transform: translateX(5px);
}

/* ---------- 下方：4 个小方格图文 ---------- */
.news-squares {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 18px;
}
.nq-card {
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-sm);
  overflow: hidden;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
}
.nq-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: rgba(0, 180, 216, 0.4);
}
.nq-media {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: linear-gradient(160deg, #eef4fb, #dcebf7);
}
.nq-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s var(--ease);
}
.nq-card:hover .nq-media img {
  transform: scale(1.07);
}
.nq-body {
  padding: 11px 14px 15px;
}
.nq-date {
  display: block;
  font-size: 12px;
  color: var(--c-muted);
  letter-spacing: 0.5px;
}
.nq-body h4 {
  margin-top: 6px;
  font-size: 14px;
  line-height: 1.6;
  font-weight: 600;
  color: var(--c-navy);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color 0.25s var(--ease);
}
.nq-card:hover .nq-body h4 {
  color: var(--c-cyan);
}

/* ---------- 新闻：图文列表 ---------- */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
/* 新闻列表页：一排 4 个（详情页「相关阅读」同为一排 4 个） */
#news-list,
#related-news {
  grid-template-columns: repeat(4, 1fr);
}
.news-card {
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  cursor: pointer;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
}
.news-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(0, 180, 216, 0.4);
}
.news-card:focus-visible,
.nf-card:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: 3px;
}
.news-media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: linear-gradient(160deg, #eef4fb, #dcebf7);
  flex-shrink: 0;
}
.news-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s var(--ease);
}
.news-card:hover .news-media img {
  transform: scale(1.07);
}
.news-date {
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 2;
  background: rgba(10, 31, 60, 0.82);
  backdrop-filter: blur(4px);
  color: #fff;
  padding: 8px 15px 9px;
  border-top-right-radius: 12px;
  line-height: 1.1;
  text-align: center;
}
.news-date b {
  display: block;
  font-size: 22px;
  font-weight: 800;
}
.news-date i {
  display: block;
  font-style: normal;
  font-size: 11px;
  opacity: 0.85;
  margin-top: 2px;
  letter-spacing: 0.5px;
}
/* 手机/平板：日期角标缩小（新闻列表、案例列表、内页相关阅读共用），避免两列小卡上显得过大 */
@media (max-width: 768px) {
  .news-date {
    padding: 4px 10px 5px;
    border-top-right-radius: 8px;
  }
  .news-date b { font-size: 14px; }
  .news-date i { font-size: 9.5px; margin-top: 1px; letter-spacing: 0; }
}
.news-body {
  padding: 20px 22px 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.news-body h3 {
  font-size: 16px;
  margin-bottom: 10px;
  line-height: 1.5;
  color: var(--c-navy);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-body p {
  color: var(--c-muted);
  font-size: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.75;
}

/* ---------- CTA 条 ---------- */
.cta-band {
  background: var(--grad-hero);
  color: #fff;
  border-radius: 24px;
  padding: 56px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(72, 202, 228, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(72, 202, 228, 0.08) 1px, transparent 1px);
  background-size: 40px 40px;
}
.cta-band > * {
  position: relative;
  z-index: 2;
}
.cta-band h2 {
  color: #fff;
  font-size: clamp(26px, 3vw, 36px);
  margin-bottom: 14px;
}
.cta-band p {
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 28px;
  font-size: 17px;
}
/* CTA 通屏变体：去掉容器限制，背景铺满整屏、去圆角去阴影 */
.cta-section {
  padding: 0;
}
.cta-band--full {
  border-radius: 0;
  box-shadow: none;
  padding: 72px 24px;
  width: 100%;
}

/* ---------- 页脚 ---------- */
.site-footer {
  background: var(--c-navy);
  color: rgba(255, 255, 255, 0.78);
  padding: 40px 0 14px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 26px;
}
.footer-col h4 {
  color: #fff;
  font-size: 17px;
  margin-bottom: 12px;
  position: relative;
  padding-left: 14px;
}
.footer-col h4::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 4px;
  border-radius: 4px;
  background: var(--grad-cyan);
}
.footer-col p,
.footer-col li {
  font-size: 14px;
  margin-bottom: 7px;
  color: rgba(255, 255, 255, 0.68);
}
/* 页脚分类较多：两列排布，避免单列过长 */
#footer-cats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 14px;
}
#footer-cats .fc-more {
  grid-column: 1 / -1;
  margin-top: 2px;
}
#footer-cats .fc-more a {
  color: var(--c-cyan-soft);
}
.footer-col a:hover {
  color: var(--c-cyan-soft);
}
.footer-brand .brand {
  color: #fff;
  margin-bottom: 16px;
}
.footer-brand p {
  max-width: 280px;
  color: rgba(255, 255, 255, 0.6);
}
.footer-contact li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
}
.footer-contact svg {
  width: 18px;
  height: 18px;
  stroke: var(--c-cyan-soft);
  flex-shrink: 0;
  margin-top: 3px;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 10px;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
}
/* ---------- 页脚：友情链接 ---------- */
.footer-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px 18px;
  padding: 10px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}
.footer-links .fl-label {
  flex-shrink: 0;
  color: #fff;
  font-size: 15px;
  font-weight: 600;
}
.footer-links ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.footer-links li a {
  color: rgba(255, 255, 255, 0.68);
  font-size: 14px;
}
.footer-links li a:hover {
  color: var(--c-cyan-soft);
}

/* ==========================================================================
   产品中心页
   ========================================================================== */
.page-hero {
  background: var(--grad-hero);
  color: #fff;
  padding: calc(var(--nav-h) + 70px) 0 70px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(72, 202, 228, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(72, 202, 228, 0.06) 1px, transparent 1px);
  background-size: 48px 48px;
}
.page-hero .container {
  position: relative;
  z-index: 2;
}
.page-hero h1 {
  color: #fff;
  font-size: clamp(30px, 4vw, 46px);
  margin-bottom: 14px;
}
.page-hero p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 17px;
}

/* 搜索 + 过滤工具栏 */
.toolbar {
  position: sticky;
  top: var(--nav-h);
  z-index: 50;
  background: rgba(255, 255, 255, 0.95);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--c-line);
  padding: 18px 0;
}
.toolbar-inner {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}
.search-box {
  flex: 0 1 640px;
  min-width: 240px;
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--c-bg);
  border: 1.5px solid var(--c-line);
  border-radius: 999px;
  padding: 11px 20px;
  transition: border-color 0.25s, box-shadow 0.25s;
}
.search-box:focus-within {
  border-color: var(--c-cyan);
  box-shadow: 0 0 0 4px rgba(0, 180, 216, 0.12);
}
.search-box svg {
  width: 20px;
  height: 20px;
  stroke: var(--c-muted);
  flex-shrink: 0;
}
.search-box input {
  border: none;
  background: transparent;
  outline: none;
  flex: 1;
  font-size: 15px;
  color: var(--c-ink);
}
.search-count {
  font-size: 14px;
  color: var(--c-muted);
  white-space: nowrap;
}
.search-count b {
  color: var(--c-cyan);
}
.filters {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.filter-chip {
  padding: 9px 18px;
  border-radius: 999px;
  border: 1.5px solid var(--c-line);
  background: var(--c-white);
  color: var(--c-text);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.22s var(--ease);
}
.filter-chip:hover {
  border-color: var(--c-cyan);
  color: var(--c-cyan);
}
.filter-chip.active {
  background: var(--grad-cyan);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 6px 16px rgba(0, 180, 216, 0.3);
}
/* 占位分类：虚线 chip 与已上架分类区分 */
.filter-chip.is-virtual {
  border-style: dashed;
  color: var(--c-muted);
}
.filter-chip.is-virtual:hover {
  color: var(--c-cyan);
}
.filter-chip.is-virtual.active {
  color: #fff;
}

/* 产品网格（产品中心，多一行） */
.products-section {
  padding: 48px 0 90px;
  min-height: 50vh;
}
.no-result {
  text-align: center;
  padding: 70px 0;
  color: var(--c-muted);
}
.no-result svg {
  width: 70px;
  height: 70px;
  stroke: var(--c-line);
  margin-bottom: 16px;
}
.no-result h3 {
  color: var(--c-ink);
  margin-bottom: 8px;
}

/* ---------- 产品详情弹窗 ---------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(8, 22, 44, 0.6);
  backdrop-filter: blur(4px);
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  transition: opacity 0.3s;
}
.modal-overlay.open {
  display: flex;
  opacity: 1;
}
.modal {
  background: var(--c-white);
  border-radius: 20px;
  max-width: 820px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  transform: translateY(20px) scale(0.98);
  transition: transform 0.3s var(--ease);
}
.modal-overlay.open .modal {
  transform: translateY(0) scale(1);
}
.modal-close {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: none;
  background: rgba(10, 31, 60, 0.06);
  cursor: pointer;
  display: grid;
  place-items: center;
  color: var(--c-ink);
  font-size: 20px;
  transition: background 0.2s;
}
.modal-close:hover {
  background: rgba(10, 31, 60, 0.14);
}
.modal-top {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 0;
}
.modal-figure {
  background: linear-gradient(160deg, #eef4fb, #dcebf7);
  display: grid;
  place-items: center;
  padding: 30px;
  position: relative;
  overflow: hidden;
}
.modal-figure svg {
  width: 150px;
  height: 150px;
}
/* 真实产品照片：铺满缩略区（SVG 图标仍按原尺寸居中） */
.hot-figure img,
.product-thumb img,
.modal-figure img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s var(--ease);
}
.product-card:hover .product-thumb img,
.hot-card:hover .hot-figure img {
  transform: scale(1.05);
}
.modal-head {
  padding: 36px 36px 28px;
  position: relative;
}
.modal-head .model {
  color: var(--c-cyan);
  font-weight: 700;
  letter-spacing: 1px;
  font-size: 14px;
}
.modal-head h2 {
  font-size: 26px;
  margin: 6px 0 12px;
}
.modal-head .tag {
  display: inline-block;
  font-size: 12px;
  color: var(--c-navy);
  background: rgba(10, 31, 60, 0.08);
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 14px;
}
.modal-head > p {
  color: var(--c-muted);
  font-size: 15px;
}
.modal-body {
  padding: 0 36px 36px;
}
.modal-body h4 {
  font-size: 16px;
  margin: 26px 0 14px;
  padding-left: 12px;
  border-left: 4px solid var(--c-cyan);
}
.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
/* 技术参数占位：文字在上，大图居中在下（无真实参数数据时） */
.spec-ph {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.spec-ph-img {
  width: 100%;
  max-width: 560px;
  border: 1px solid var(--c-line);
  border-radius: 12px;
  overflow: hidden;
  background: #f6fafd;
}
.spec-ph-img img {
  width: 100%;
  display: block;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}
.spec-ph-text {
  width: 100%;
}
.spec-ph-text p {
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--c-muted);
  margin-bottom: 8px;
}
.spec-ph-text b {
  color: var(--c-cyan);
}
.spec-table tr {
  border-bottom: 1px solid var(--c-line);
}
.spec-table td {
  padding: 12px 8px;
}
.spec-table td:first-child {
  color: var(--c-muted);
  width: 42%;
}
.spec-table td:last-child {
  color: var(--c-ink);
  font-weight: 600;
}
.feature-list li {
  position: relative;
  padding-left: 26px;
  margin-bottom: 10px;
  color: var(--c-text);
  font-size: 14px;
}
.feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--grad-cyan);
}
.modal-actions {
  margin-top: 28px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .hero-visual {
    order: -1;
  }
  .hero-visual .rig {
    width: min(360px, 88%);
  }
  .about-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .adv-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .modal-top {
    grid-template-columns: 1fr;
  }
  .modal-figure {
    padding: 24px;
  }
}

@media (max-width: 768px) {
  :root {
    --nav-h: 64px;
  }
  .nav-links {
    position: fixed;
    top: 0;
    left: 0;
    /* 左侧抽屉：宽 88%（封顶 400px），从窗口左侧滑出，而非从上侧 */
    width: 88%;
    max-width: 400px;
    height: 100vh;
    height: 100dvh;
    background: var(--c-navy);
    flex-direction: column;
    gap: 0;
    /* 内容从 header 下方开始，header(z-index:100) 始终浮在抽屉顶部可点击关闭 */
    padding: calc(var(--nav-h) + 10px) 0 calc(20px + env(safe-area-inset-bottom));
    transform: translateX(-100%);
    visibility: hidden;         /* 收起时彻底隐藏，防止部分浏览器残留渲染 */
    transition: transform 0.35s var(--ease), visibility 0s linear 0.35s;
    box-shadow: var(--shadow-md);
    overflow-y: auto;           /* 展开分类等内容超高时，抽屉自身可滚 */
    -webkit-overflow-scrolling: touch;
    z-index: 99;                /* 低于 header(100)，汉堡按钮保持可点击 */
  }
  .nav-links.open {
    transform: translateX(0);
    visibility: visible;
    transition: transform 0.35s var(--ease);
  }
  /* 左侧抽屉遮罩：半透明蒙层，点击空白处关闭菜单 */
  .nav-scrim {
    position: fixed;
    inset: 0;
    background: rgba(4, 14, 30, 0.45);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.35s var(--ease), visibility 0s linear 0.35s;
    z-index: 98;                /* 低于抽屉(99)与 header(100)，仅盖住页面内容 */
  }
  .nav-scrim.show {
    opacity: 1;
    visibility: visible;
    transition: opacity 0.35s var(--ease);
  }
  .nav-links a {
    color: #fff;                /* 纯白，修复菜单文字发灰 */
    width: 100%;
    padding: 14px 24px;
  }
  /* 滚动后 header 变白底会给链接换深色（桌面用），但手机抽屉是深底，
   * 必须强制保持白字，否则下滑后打开菜单文字变成深灰蓝、看不清 */
  .site-header.scrolled .nav-links a,
  .site-header.scrolled .nav-links a.active {
    color: #fff;
  }
  .nav-links a::after {
    display: none;
  }
  /* 移动端：下拉改为在抽屉内内联展开（深底）
   * 注意用与桌面展开规则相同/更高的特异性，否则 translate(-50%) 会把面板推出屏幕 */
  .nav-item {
    width: 100%;
  }
  .nav-item:hover .nav-drop,
  .nav-item:focus-within .nav-drop,
  .nav-item.open .nav-drop {
    position: static;
    display: block;
    min-width: 0;
    padding: 2px 18px 12px;
    transform: none;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }
  .nav-drop:not(.x) {
    display: none;
    padding-top: 0;
  }
  .nav-drop-inner {
    padding: 14px 14px 10px;
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.12);
    max-height: none;          /* 抽屉内内联展开，跟随菜单滚动，不单独限高 */
    overflow: visible;
    border-radius: 12px;
    box-shadow: none;
  }
  .nd-title {
    color: #7fe3f7;
  }
  .nav-links .nav-drop a {
    color: rgba(255, 255, 255, 0.88);
  }
  /* 同理：滚动态的深色链接规则也会命中抽屉内下拉分类链接，需强制回亮色 */
  .site-header.scrolled .nav-links .nav-drop a {
    color: rgba(255, 255, 255, 0.88);
  }
  /* 保持「查看全部」青色强调（需 ≥ 上一条 0,4,1 特异性，否则被压成白字） */
  .site-header.scrolled .nav-links .nav-drop a.nd-all {
    color: #7fe3f7;
  }
  .nd-item:hover {
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
  }
  .nd-grid {
    gap: 2px 8px;
  }
  .nd-all {
    color: #7fe3f7;
    border-top-color: rgba(255, 255, 255, 0.14);
  }
  .nd-all:hover {
    color: #fff;
  }
  .nav-cta .btn {
    display: none;
  }
  .nav-phone {
    display: none;
  }
  .hamburger {
    display: flex;
  }
  .section {
    padding: 32px 0;
  }
  .section-head {
    margin-bottom: 22px;
  }
  .adv-grid,
  .stats-row {
    grid-template-columns: 1fr;
  }
  /* 新闻列表页 / 新闻内页「相关阅读」：手机端一排 2 个 */
  .news-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  /* 产品列表页：手机端保持一排 2 个（不被上面的单列规则覆盖） */
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .hero-stats {
    gap: 26px;
  }
  .cta-band {
    padding: 40px 24px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  /* 手机端：隐藏页脚中间的「快速导航」「产品分类」两栏，缩短底部 */
  .footer-grid > .footer-col:nth-child(2),
  .footer-grid > .footer-col:nth-child(3) {
    display: none;
  }
  .toolbar-inner {
    gap: 12px;
  }
  .modal-head,
  .modal-body {
    padding-left: 22px;
    padding-right: 22px;
  }
  /* 手机端：隐藏「关于我们」页的企业文化 · 核心价值观模块 */
  #culture {
    display: none;
  }
}

/* ---------- 服务领域：错层叠加卡片（默认叠放，点击展开、文字居中） ---------- */
.fields-grid {
  display: flex;
  width: 100%;
  height: clamp(360px, 34vw, 460px);
  padding: 14px 0;
}
.field-card {
  position: relative;
  flex: 1 1 0%;
  min-width: 0;
  /* 负外边距：每张压住相邻一张一部分，形成错层叠加 */
  margin-left: -7%;
  overflow: hidden;
  border-radius: 14px;
  border: 2px solid rgba(255, 255, 255, 0.85);
  background: var(--c-navy);
  cursor: pointer;
  isolation: isolate;
  box-shadow: 0 12px 28px rgba(10, 31, 60, 0.3);
  transition: flex-grow .55s var(--ease), transform .35s var(--ease), box-shadow .35s var(--ease);
}
.field-card:first-child { margin-left: 0; }
/* 悬停：仅提升层级并微微抬起，不改变宽度（保持叠加态） */
.field-card:hover,
.field-card:focus-visible {
  z-index: 4;
  transform: translateY(-8px) scale(1.03);
  box-shadow: 0 20px 40px rgba(10, 31, 60, 0.42);
}
/* 点击激活：完整展开加宽，文字在该图内居中显示 */
.field-card.is-active,
.field-card.is-open {
  flex-grow: 2.2;
  z-index: 5;
  transform: translateY(-8px);
  box-shadow: 0 22px 46px rgba(8, 24, 47, 0.5);
}
.field-card .fc-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .8s var(--ease);
}
.field-card:hover .fc-img,
.field-card.is-open .fc-img,
.field-card.is-active .fc-img {
  transform: scale(1.04);
}
/* 常态：底部标题条 */
.fc-label {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  padding: 46px 18px 18px;
  background: linear-gradient(180deg, rgba(10,31,60,0) 0%, rgba(10,31,60,.78) 100%);
  color: #fff;
  transition: opacity .3s var(--ease);
}
.fc-label h3 {
  font-size: 20px;
  margin-bottom: 2px;
  color: #fff;
}
.fc-label span {
  font-size: 12px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.78);
}
/* 展开时：介绍内容在该张图内垂直居中显示（半透明仍可透出底图） */
.fc-hover {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 8px;
  padding: 24px 22px;
  /* 中心微暗保证文字可读，四周完全透明让底图清晰透出 */
  background: radial-gradient(ellipse 78% 62% at 50% 50%,
    rgba(6,20,40,.60) 0%, rgba(6,20,40,.42) 46%, rgba(6,20,40,.12) 72%, rgba(6,20,40,0) 100%);
  backdrop-filter: blur(1px);
  color: #fff;
  text-shadow: 0 2px 10px rgba(3, 12, 26, 0.85), 0 1px 3px rgba(3, 12, 26, 0.7);
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .32s var(--ease), transform .32s var(--ease);
}
.field-card:hover .fc-hover,
.field-card:focus-visible .fc-hover,
.field-card.is-open .fc-hover,
.field-card.is-active .fc-hover {
  opacity: 1;
  transform: translateY(0);
}
.field-card:hover .fc-label,
.field-card.is-open .fc-label,
.field-card.is-active .fc-label {
  opacity: 0;
}
.fc-ico {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: rgba(4, 16, 32, 0.42);
  display: grid;
  place-items: center;
  margin-bottom: 4px;
}
.fc-ico img {
  width: 28px;
  height: 28px;
  object-fit: contain;
  filter: brightness(0) invert(1);
}
.fc-en {
  font-size: 12px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--c-cyan-soft);
}
.fc-hover b {
  font-size: 21px;
  color: #fff;
  letter-spacing: 1px;
}
.fc-hover p {
  font-size: 13px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.96);
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
}

/* ---------- 企业宗旨 ---------- */
.mission-band {
  text-align: center;
  margin: 56px 0 36px;
}
.mission-band .eyebrow { display: inline-block; margin-bottom: 12px; }
.mission-band h3 {
  font-size: clamp(20px, 3vw, 30px);
  font-weight: 700;
  color: var(--c-navy);
  line-height: 1.5;
  max-width: 880px;
  margin: 0 auto;
}
.mission-band h3::before,
.mission-band h3::after {
  content: "";
  display: inline-block;
  width: 26px;
  height: 2px;
  background: var(--c-cyan);
  vertical-align: middle;
  margin: 0 14px;
}

/* ---------- 荣誉墙 ---------- */
.honor-wall {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}
.honor-item {
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: 12px;
  padding: 22px 14px;
  text-align: center;
  transition: all .3s var(--ease);
}
.honor-item:hover {
  border-color: var(--c-cyan);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.honor-item .h-year {
  display: block;
  font-size: 22px;
  font-weight: 800;
  color: var(--c-cyan);
  margin-bottom: 8px;
}
.honor-item .h-name {
  font-size: 13px;
  color: var(--c-muted);
  line-height: 1.5;
}
/* 荣誉墙宣传图 */
.honor-visual {
  margin: 0 auto;
  max-width: 880px;
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  padding: 14px;
  box-shadow: var(--shadow-sm);
}
.honor-visual img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: calc(var(--radius) - 6px);
}

/* ---------- 发展历程时间轴 ---------- */
/* 布局：左侧(年份+图片) | 中间竖线 | 右侧介绍 */
.timeline {
  display: flex;
  flex-direction: column;
  gap: 26px;
  max-width: 1040px;
  margin: 0 auto;
}
.tl-item {
  display: grid;
  grid-template-columns: 280px 40px 1fr;
  grid-template-areas: "left axis body";
  align-items: start;
}
/* 左侧：年份显示在图片上方 */
.tl-left {
  grid-area: left;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.tl-year {
  font-size: 24px;
  font-weight: 800;
  color: var(--c-cyan);
  letter-spacing: 1px;
  line-height: 1.2;
}
.tl-media {
  position: relative;
  min-height: 190px;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--c-line);
  background: var(--grad-hero);
}
.tl-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s var(--ease);
}
.tl-item:hover .tl-media img {
  transform: scale(1.06);
}
/* 中间：贯穿连接的竖线 + 节点 */
.tl-axis {
  grid-area: axis;
  position: relative;
  align-self: stretch;
  justify-self: center;
  width: 2px;
}
.tl-axis::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  bottom: -26px; /* 向下延伸，与下一条衔接，形成连续竖线 */
  width: 2px;
  background: linear-gradient(180deg, var(--c-cyan) 0%, var(--c-line) 100%);
}
.tl-item:last-child .tl-axis::before {
  bottom: 6px; /* 最后一条不再向下延伸 */
}
.tl-node {
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--grad-cyan);
  box-shadow: 0 0 0 5px rgba(0, 180, 216, 0.16);
  z-index: 2;
}
/* 右侧：介绍内容 */
.tl-body {
  grid-area: body;
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  padding: 24px 28px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
}
.tl-item:hover .tl-body {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: rgba(0, 180, 216, 0.4);
}
.tl-body h3 {
  font-size: 19px;
  margin-bottom: 10px;
  color: var(--c-navy);
}
.tl-body p {
  color: var(--c-muted);
  font-size: 15px;
  line-height: 1.8;
}

/* ---------- 服务领域/分类/荣誉 响应式 ---------- */
@media (max-width: 992px) {
  .fields-grid { height: clamp(300px, 46vw, 420px); }
  .field-card { margin-left: -6%; }
  .field-card.is-active { flex-grow: 2; }
  .honor-wall { grid-template-columns: repeat(3, 1fr); }
  .tl-item { grid-template-columns: 220px 36px 1fr; }
  .tl-body { padding: 20px 22px; }
  .tl-year { font-size: 21px; }
  /* 新闻：左右分栏改为上下堆叠（上图文、下文字列表） */
  .news-split { grid-template-columns: 1fr; gap: 24px; }
  .news-squares { grid-template-columns: repeat(2, 1fr); gap: 18px; margin-top: 22px; }
  .news-featured { margin-bottom: 0; }
  .nf-card { grid-template-columns: 1fr; }
  .nf-media { min-height: 0; aspect-ratio: 2 / 1; }
  .nf-body { padding: 18px 22px 20px; }
  .news-grid { grid-template-columns: repeat(2, 1fr); gap: 22px; }
  #news-list, #related-news { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  #fields { display: none; }   /* 手机/平板竖屏：隐藏「服务领域与产品矩阵」横卡交互区块 */
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  #news-list, #related-news { grid-template-columns: repeat(2, 1fr); }
  /* 移动端：横向叠层改纵向叠层，激活卡纵向加高展开 */
  .fields-grid { flex-direction: column; height: 560px; }
  .field-card { margin-left: 0; margin-top: -9%; }
  .field-card:first-child { margin-top: 0; }
  .field-card.is-active { flex-grow: 2.4; }
  .fc-label { padding: 34px 14px 14px; }
  .fc-label h3 { font-size: 17px; }
  .fc-hover { padding: 18px 16px; }
  .fc-hover b { font-size: 18px; }
  .fc-hover p { font-size: 12px; -webkit-line-clamp: 4; }
  .honor-wall { grid-template-columns: repeat(2, 1fr); }
  .mission-band h3::before,
  .mission-band h3::after { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}

/* ---------- 热门产品轮播（网格多排） ---------- */
.carousel {
  --hot-gap: 24px;   /* 卡片间距，各断点统一由这一个变量控制 */
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--c-white);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--c-line);
  padding: 36px;
}
/* 视窗：在此精确裁切，保证一屏正好 5 个且不露出第 6 个的边 */
.carousel-viewport {
  overflow: hidden;
}
/* 无缝滚动：轨道内是两份相同序列（模板里 {category} 输出了两遍），滚满「一组的宽度」时
 * 画面与起点完全一致，循环无感。这里用 translateX(-50%) —— 因为轨道是 flex 容器，自身宽度
 * 等于两份内容的总宽，-50% 恰好等于一份的宽度，无需 JS 测量像素，静态化也稳定。
 * 间距用 margin 而非 gap：两个序列拼接处的间距才不会被漏掉，避免循环时跳一下。 */
.carousel-track {
  display: flex;
  animation: hot-scroll 32s linear infinite;
  will-change: transform;
}
@keyframes hot-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
/* 悬停暂停，方便点开卡片看详情 */
.carousel:hover .carousel-track,
.carousel:focus-within .carousel-track {
  animation-play-state: paused;
}
@media (prefers-reduced-motion: reduce) {
  .carousel-track { animation: none; }
}
.hot-card {
  /* 一屏 5 个：5 张卡 + 4 个间距 = 轨道宽度 */
  flex: 0 0 calc((100% - 4 * var(--hot-gap)) / 5);
  margin-right: var(--hot-gap);
  text-align: left;
  background: var(--c-white);
  border: 1.5px solid var(--c-line);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.hot-card:hover {
  border-color: var(--c-cyan);
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.hot-figure {
  position: relative;
  height: 210px;
  display: grid;
  place-items: center;
  background: linear-gradient(160deg, #eef4fb 0%, #dcebf7 100%);
}
.hot-figure svg {
  width: 132px;
  height: 132px;
}
.hot-figure .cat-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2; /* 保证角标在产品照片之上 */
  background: rgba(10, 31, 60, 0.85);
  color: #fff;
  font-size: 12px;
  padding: 4px 12px;
  border-radius: 999px;
}
.hot-body {
  padding: 20px 20px 24px;
}
.hot-body .model {
  color: var(--c-cyan);
  font-weight: 700;
  letter-spacing: 1px;
  font-size: 13px;
}
.hot-body h3 {
  font-size: 18px;
  margin: 7px 0 0;
  color: var(--c-ink);
  line-height: 1.45;
  font-weight: 600;
  /* 与产品中心封面页一致：标题单行不换行，超长省略号截断 */
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.hot-body .more {
  margin-top: 14px;
  align-self: flex-start;
  color: var(--c-navy);
  font-weight: 600;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  padding: 8px 16px;
  border-radius: 999px;
  background: rgba(0, 180, 216, 0.14);
  transition: background .25s var(--ease), color .25s var(--ease);
}
.hot-card:hover .hot-body .more {
  color: #fff;
  background: var(--grad-cyan);
}
/* ---------- 左右结构产品展示：左分类 / 右网格 ---------- */
.showcase {
  display: grid;
  grid-template-columns: 262px 1fr;
  gap: 22px;
  align-items: start;
}
/* 分类侧栏外框：带「产品分类」标题的卡片，模块含义更清晰 */
.showcase-aside {
  border: 3px solid var(--c-cyan);
  border-radius: 14px;
  background: var(--c-white);
  padding: 16px 14px 12px;
  box-shadow: var(--shadow-sm);
}
.sc-aside-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--c-navy);
  padding-left: 12px;
  margin-bottom: 12px;
  position: relative;
}
.sc-aside-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 3px;
  bottom: 3px;
  width: 4px;
  border-radius: 999px;
  background: var(--grad-cyan);
}
/* 分类较多（21 类）：侧栏紧凑排列并限高滚动，避免把页面拉得过长 */
.showcase-cats {
  display: flex;
  flex-direction: column;
  gap: 7px;
  max-height: 600px;         /* 含标题后略降，与右侧 2 排产品网格高度大致齐平 */
  overflow-y: auto;
  padding-right: 4px;
  scrollbar-width: thin;
}
.showcase-cats::-webkit-scrollbar {
  width: 5px;
}
.showcase-cats::-webkit-scrollbar-thumb {
  background: rgba(10, 31, 60, 0.16);
  border-radius: 999px;
}
/* 产品列表页：分类默认只露出 10 个（10×47px + 9×7px 间距），其余滚动查看 */
#product-cats {
  max-height: 533px;
  overflow-y: auto;
  padding-right: 4px;
  scrollbar-width: thin;
}
#product-cats::-webkit-scrollbar { width: 5px; }
#product-cats::-webkit-scrollbar-thumb { background: rgba(10, 31, 60, 0.16); border-radius: 999px; }
.cat-filter {
  text-align: left;
  background: var(--c-white);
  border: 1.5px solid var(--c-line);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-size: 16px;
  font-weight: 600;
  color: var(--c-ink);
  transition: all 0.25s var(--ease);
}
.cat-filter:hover {
  border-color: var(--c-cyan);
  transform: translateX(3px);
}
.cat-filter.active {
  border-color: var(--c-cyan);
  background: linear-gradient(120deg, rgba(0, 180, 216, 0.22), rgba(30, 136, 229, 0.16));
  color: var(--c-navy);
  box-shadow: var(--shadow-sm);
}
.cat-filter .cf-arrow {
  flex: 0 0 auto;
  width: 17px;
  height: 17px;
  color: var(--c-muted);
  transition: color .25s var(--ease), transform .25s var(--ease);
}
.cat-filter .cf-arrow svg { width: 100%; height: 100%; display: block; }
.cat-filter:hover .cf-arrow {
  color: var(--c-cyan);
  transform: translateX(3px);
}
.cat-filter.active .cf-arrow { color: var(--c-cyan); }
/* 占位分类（暂无产品）：虚线边框标记 */
.cat-filter.is-empty {
  border-style: dashed;
}
/* 占位产品卡：分类暂无产品时的布局占位 */
.ph-card {
  border-style: dashed;
  background: transparent;
  box-shadow: none;
  cursor: default;
}
.ph-card:hover {
  transform: none;
  box-shadow: none;
  border-color: var(--c-line);
}
.ph-thumb {
  height: 190px;
  display: grid;
  place-items: center;
  background: repeating-linear-gradient(45deg, #f4f8fc 0 10px, #eaf2fa 10px 20px);
}
.ph-thumb span {
  font-size: 30px;
  font-weight: 300;
  color: rgba(10, 31, 60, 0.28);
}
.ph-card .product-body .model {
  color: var(--c-muted);
}
.ph-card .product-body h3 {
  color: var(--c-muted);
  font-weight: 500;
}
.ph-card .product-body .more {
  color: var(--c-muted);
}
.showcase-products {
  min-width: 0;
}
.showcase-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 16px;
  flex-wrap: wrap;
  gap: 6px;
}
.showcase-head .sh-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--c-navy);
}
.showcase-head .sh-count {
  font-size: 13px;
  color: var(--c-muted);
  margin-right: auto;      /* 标题+数量靠左，热线靠右 */
}
/* 24 小时咨询热线胶囊（首页 / 产品中心 / 新闻中心通用） */
.hotline-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-left: auto;
  padding: 7px 16px;
  border-radius: 999px;
  white-space: nowrap;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--c-navy);
  background: linear-gradient(120deg, rgba(0, 180, 216, 0.12), rgba(30, 136, 229, 0.1));
  border: 1px solid rgba(0, 180, 216, 0.35);
  transition: background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease);
}
.hotline-pill svg {
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  fill: none;
  stroke: var(--c-cyan);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.hotline-pill b {
  color: var(--c-cyan);
  font-weight: 800;
  letter-spacing: 0.5px;
}
.hotline-pill:hover {
  background: var(--grad-cyan);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 8px 20px rgba(0, 180, 216, 0.3);
}
.hotline-pill:hover svg { stroke: #fff; }
.hotline-pill:hover b { color: #fff; }
@media (max-width: 640px) {
  .hotline-pill {
    margin-left: 0;
    font-size: 12.5px;
    padding: 6px 13px;
  }
}
.showcase-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.showcase-more {
  display: flex;
  justify-content: center;
  margin-top: 24px;
}

/* ---------- 产品展示：三视图 / 咨询条（旧版，已弃用） ---------- */
/* 旧版“左右详情”交互已重构为“左分类 / 右网格”，以下样式保留以备回滚。 */

/* ---------- 轮播 / 左右展示 响应式 ---------- */
@media (max-width: 992px) {
  /* 平板：一屏 3 个 */
  .carousel { --hot-gap: 18px; padding: 30px; }
  .hot-card { flex-basis: calc((100% - 2 * var(--hot-gap)) / 3); }
  .showcase { grid-template-columns: 1fr; }
  .showcase-cats {
    flex-direction: row;
    flex-wrap: wrap;
    max-height: none;              /* 横向排布时不再限高滚动 */
    overflow: visible;
  }
  /* 平板/手机分类横向排布：豁免列表页的 10 项限高（id 特异性高于本断点类规则） */
  #product-cats {
    max-height: none;
    overflow: visible;
  }
  .cat-filter { flex: 1 1 auto; justify-content: center; }
  .showcase-grid { grid-template-columns: repeat(3, 1fr); }
  .company-gallery { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  /* 手机：一屏 2 个 */
  .carousel { --hot-gap: 14px; padding: 22px; }
  .hot-card { flex-basis: calc((100% - var(--hot-gap)) / 2); }
  .hot-figure { height: 160px; }
  .hot-figure svg { width: 100px; height: 100px; }
  /* 手机端热门分类卡：标题缩小（单行不换行，继承基础规则的单行截断），按钮收紧 */
  .hot-body h3 { font-size: 15px; line-height: 1.4; margin-top: 5px; }
  .hot-body .more { margin-top: 10px; padding: 7px 13px; font-size: 13px; }
  .showcase-grid { grid-template-columns: repeat(2, 1fr); }
  .showcase-more { margin-top: 18px; }
  .showcase-more .btn { width: 100%; justify-content: center; }
  .company-gallery { grid-template-columns: 1fr; }
  /* 手机端新闻 */
  .news-featured { margin-bottom: 0; }
  .nf-media { min-height: 0; aspect-ratio: 16 / 9; }
  .news-textlist { padding: 15px 16px 12px; }
  .nt-item { gap: 12px; padding: 10px 0; }
  .nt-title { font-size: 15px; }
  .nf-badge { top: 11px; left: 11px; padding: 5px 12px; font-size: 11.5px; }
  .nf-body { padding: 15px 16px 17px; }
  .nf-body p { font-size: 13px; -webkit-line-clamp: 2; }
  .news-squares { gap: 12px; margin-top: 14px; }
  .nq-body { padding: 10px 12px 13px; }
  .nq-body h4 { font-size: 13.5px; }
  .nf-more { margin-top: 12px; }
  .qs-form { flex-wrap: wrap; border-radius: 20px; }
  .qs-form input { flex: 1 1 100%; order: 2; }
  .qs-form .btn { flex: 1 1 100%; order: 3; justify-content: center; }
  /* 手机端：竖线移到最左侧，图片与介绍依次堆叠 */
  .tl-item {
    grid-template-columns: 30px 1fr;
    grid-template-areas:
      "axis left"
      "axis body";
    column-gap: 14px;
    row-gap: 12px;
  }
  .tl-media { min-height: 180px; }
  .tl-year { font-size: 20px; }
  .tl-body { padding: 18px 20px; }
  .tl-body h3 { font-size: 17px; }
  .tl-body p { font-size: 14px; }
}

/* =========================================================
   新闻列表页 / 新闻详情页
   ========================================================= */
.crumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--c-muted);
  margin-bottom: 26px;
  flex-wrap: wrap;
}
.crumbs a {
  color: var(--c-muted);
  transition: color 0.25s var(--ease);
}
.crumbs a:hover {
  color: var(--c-cyan);
}
.crumbs span {
  opacity: 0.5;
}
.crumbs em {
  font-style: normal;
  color: var(--c-navy);
  font-weight: 600;
}

/* ---------- 详情页布局 ---------- */
/* 顶部必须避开 fixed 导航栏，否则面包屑会被压在导航底下 */
.article-section {
  padding: 26px 0 90px;
}
.article-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 46px;
  align-items: start;
}
.article-main {
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: 20px;
  padding: 46px 52px 40px;
  box-shadow: var(--shadow-sm);
}
/* 文章标题（与迅睿模板 article_article/article_case 的 h1.article-title 一致） */
.article-title {
  font-size: clamp(20px, 2vw, 24px);
  line-height: 1.5;
  color: var(--c-navy);
  margin: 0 0 12px;
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  font-size: 14px;
  color: var(--c-muted);
  padding-bottom: 24px;
  border-bottom: 1px solid var(--c-line);
}
.article-meta b {
  font-weight: 600;
  color: var(--c-text);
}
.article-cover {
  margin: 30px 0 6px;
  border-radius: var(--radius);
  overflow: hidden;
}
.article-cover img {
  width: 100%;
  height: auto;
  display: block;
}
.article-content {
  padding-top: 10px;
}
.article-content p {
  color: var(--c-text);
  font-size: 16.5px;
  line-height: 2;
  margin-bottom: 22px;
  text-align: justify;
}
.article-content h2 {
  font-size: 20px;
  color: var(--c-navy);
  margin: 34px 0 16px;
  padding-left: 14px;
  border-left: 4px solid var(--c-cyan);
  line-height: 1.5;
}
.article-content figure {
  margin: 28px 0;
}
.article-content figure img {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  display: block;
}
/* 正文内直接 <img>（UEditor 常不包 <figure>）自适应窗口：不超容器宽、按比例缩放。
   !important 用于覆盖 UEditor 可能写入的内联 width/height，确保任何尺寸的图都能响应式。
   同时覆盖案例/新闻的 .article-content 与产品的 .pd-body 两个正文容器。 */
.article-content img,
.pd-body img {
  display: block;
  max-width: 100% !important;
  height: auto !important;
  margin: 18px auto;
  border-radius: var(--radius);
}
.article-foot {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 40px;
  padding-top: 28px;
  border-top: 1px solid var(--c-line);
}

/* ---------- 文章底部温馨提示框 ---------- */
.article-tip {
  margin-top: 28px;
  padding: 22px 24px;
  background: linear-gradient(180deg, var(--c-soft) 0%, #fff 100%);
  border: 1px solid var(--c-line);
  border-left: 4px solid var(--c-cyan);
  border-radius: var(--radius);
}
.article-tip .at-head {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--c-navy);
  margin-bottom: 12px;
}
.article-tip .at-head svg {
  width: 20px;
  height: 20px;
  color: var(--c-cyan);
  flex: none;
}
.article-tip .at-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 9px;
}
.article-tip .at-list li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-text-2);
}
.article-tip .at-list li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-cyan);
}
.article-tip .at-list b { color: var(--c-navy); font-weight: 700; }

/* ---------- 侧栏 ---------- */
.article-side {
  position: sticky;
  top: calc(var(--nav-h) + 24px);
  display: flex;
  flex-direction: column;
  gap: 22px;
}
.side-card {
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}
.side-card h3 {
  font-size: 17px;
  color: var(--c-navy);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--c-line);
}
.side-list li + li {
  border-top: 1px dashed var(--c-line);
}
.side-list a {
  display: flex;
  gap: 12px;
  padding: 13px 0;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--c-text);
  transition: color 0.25s var(--ease);
}
.side-list a:hover {
  color: var(--c-cyan);
}
.sl-date {
  flex-shrink: 0;
  font-size: 13px;
  color: var(--c-muted);
  padding-top: 2px;
}
/* 侧栏醒目联系方式（新闻内页 · 热门资讯上方） */
.side-hotline {
  position: relative;
  overflow: hidden;
  padding: 24px 24px 22px;
  border-radius: var(--radius);
  color: #fff;
  background: var(--grad-hero);
  box-shadow: 0 18px 42px rgba(8, 24, 47, 0.26);
}
/* 右上角青色氛围光，让卡片在白底侧栏里更跳 */
.side-hotline::before {
  content: "";
  position: absolute;
  top: -100px;
  right: -80px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 180, 216, 0.42), transparent 70%);
  pointer-events: none;
}
.side-hotline > * { position: relative; }
.sh-badge {
  display: inline-block;
  margin-bottom: 13px;
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: #7fe3f7;
  background: rgba(0, 180, 216, 0.16);
  border: 1px solid rgba(0, 180, 216, 0.42);
}
.side-hotline h3 {
  font-size: 20px;
  line-height: 1.45;
  color: #fff;
  margin-bottom: 14px;
}
.sh-tel {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  color: #fff;
  background: linear-gradient(120deg, rgba(0, 180, 216, 0.24), rgba(30, 136, 229, 0.14));
  border: 1px solid rgba(0, 180, 216, 0.42);
  transition: transform 0.25s var(--ease), background 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.sh-tel svg {
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  color: var(--c-cyan);
  transition: color 0.25s var(--ease);
}
.sh-tel b {
  font-size: clamp(21px, 2.2vw, 26px);
  letter-spacing: 0.02em;
  line-height: 1.2;
}
.sh-tel:hover {
  transform: translateY(-2px);
  background: var(--grad-cyan);
  border-color: transparent;
  box-shadow: 0 14px 28px rgba(0, 180, 216, 0.4);
}
.sh-tel:hover svg { color: #fff; }
.sh-time {
  margin-top: 11px;
  font-size: 12.5px;
  line-height: 1.7;
  opacity: 0.72;
}
.sh-qr {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 18px 0 20px;
  padding: 13px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.12);
}
.side-hotline .qr-mini {
  width: 86px;
  height: 86px;
  padding: 6px;
  border: none;
  border-radius: 10px;
  box-shadow: none;
}
.sh-qr-text b {
  display: block;
  font-size: 14.5px;
  margin-bottom: 4px;
}
.sh-qr-text span {
  display: block;
  font-size: 12.5px;
  line-height: 1.75;
  opacity: 0.75;
}
.sh-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.sh-actions .btn {
  justify-content: center;
  padding: 11px 12px;
  font-size: 14px;
}
.sh-actions .btn-primary { box-shadow: 0 10px 22px rgba(0, 180, 216, 0.34); }

/* ---------- 上一篇 / 下一篇 ---------- */
.article-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 34px;
}
.an-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  padding: 20px 24px;
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
a.an-item:hover {
  border-color: rgba(0, 180, 216, 0.45);
  transform: translateY(-3px);
  box-shadow: var(--shadow-sm);
}
.an-item.next {
  text-align: right;
  align-items: flex-end;
}
.an-item > span {
  font-size: 13px;
  color: var(--c-cyan);
  font-weight: 600;
}
.an-item em {
  font-style: normal;
  font-size: 15px;
  color: var(--c-navy);
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.an-item.disabled {
  opacity: 0.55;
}
.an-item.disabled > span {
  color: var(--c-muted);
}

/* ---------- 详情页响应式 ---------- */
@media (max-width: 992px) {
  .article-wrap {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .article-main {
    padding: 34px 30px 30px;
  }
  .article-side {
    position: static;
    flex-direction: row;
    flex-wrap: wrap;
  }
  /* 两卡统一 flex 规格，避免临界宽度下"并排/堆叠"随机翻转 */
  .article-side .side-hotline,
  .article-side .side-card {
    flex: 1 1 260px;
  }
}
@media (max-width: 640px) {
  .article-section {
    padding: 24px 0 60px;
  }
  /* 小屏强制堆叠，两卡各占全宽；恢复 flex-basis:auto，
     否则 260px basis 在 column 方向会变成卡片高度、裁掉内容 */
  .article-side {
    flex-direction: column;
  }
  .article-side .side-hotline,
  .article-side .side-card {
    flex: 1 1 auto;
  }
  .article-main {
    padding: 26px 20px 22px;
    border-radius: var(--radius);
  }
  .article-content p {
    font-size: 15.5px;
    line-height: 1.95;
  }
  .article-content h2 {
    font-size: 18px;
    margin: 26px 0 14px;
  }
  .article-nav {
    grid-template-columns: 1fr;
    gap: 14px;
    width: 100%;
  }
  .an-item.next {
    text-align: left;
    align-items: flex-start;
  }
  .article-foot .btn {
    flex: 1 1 100%;
    justify-content: center;
  }
}

/* ---------- 板块底部“查看更多”居中按钮 ---------- */
.section-more {
  display: flex;
  justify-content: center;
  margin-top: 24px;
}
@media (max-width: 640px) {
  .section-more {
    margin-top: 18px;
  }
}

/* ==========================================================================
   联系我们页
   ========================================================================== */

/* ---------- 联系方式：整块面板（热线为主打） ---------- */
.contact-panel {
  display: grid;
  grid-template-columns: 1.75fr 1fr 1.2fr;
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.cp-cell {
  padding: 38px 34px;
  border-left: 1px solid var(--c-line);
  display: flex;
  flex-direction: column;
  transition: background .3s var(--ease);
}
.cp-cell:first-child { border-left: none; }
.cp-cell:not(.cp-hot):hover { background: #fafcff; }

/* 主打：咨询热线 —— 深空玻璃 + 极光光晕 + 金色点缀 */
.cp-hot {
  position: relative;
  background:
    radial-gradient(760px 360px at 88% -12%, rgba(0, 180, 216, 0.20), transparent 62%),
    radial-gradient(520px 340px at -8% 112%, rgba(245, 166, 35, 0.12), transparent 60%),
    linear-gradient(135deg, #071527 0%, #0a2342 52%, #0d3354 100%);
  color: #fff;
  padding: 42px 40px 36px;
  overflow: hidden;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}
.cp-hot::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(72, 202, 228, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(72, 202, 228, 0.07) 1px, transparent 1px);
  background-size: 44px 44px;
  -webkit-mask-image: radial-gradient(560px 320px at 78% 0%, #000 0%, transparent 78%);
  mask-image: radial-gradient(560px 320px at 78% 0%, #000 0%, transparent 78%);
}
.cp-hot > * { position: relative; z-index: 2; }
/* 装饰层：雷达光环 */
.cp-hot .cp-orbit { position: absolute; z-index: 1; pointer-events: none; }
.cp-orbit {
  right: -110px;
  top: -130px;
  width: 330px;
  height: 330px;
  border-radius: 50%;
  border: 1px solid rgba(72, 202, 228, 0.22);
}
.cp-orbit::before {
  content: "";
  position: absolute;
  inset: 46px;
  border-radius: 50%;
  border: 1px dashed rgba(72, 202, 228, 0.16);
}
.cp-orbit::after {
  content: "";
  position: absolute;
  top: 58px;
  right: 74px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--grad-gold);
  box-shadow: 0 0 12px rgba(247, 201, 72, 0.85);
}
.cp-badge {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: #eaf6fb;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  padding: 6px 16px 6px 12px;
  margin-bottom: 22px;
  backdrop-filter: blur(4px);
}
.cp-badge::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--grad-gold);
  box-shadow: 0 0 8px rgba(247, 201, 72, 0.9);
}
.cp-hotline {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 14px;
}
.cp-hot .cp-ico {
  width: 66px;
  height: 66px;
  border-radius: 18px;
  background: linear-gradient(150deg, rgba(255, 255, 255, 0.18), rgba(255, 255, 255, 0.04));
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #aee8f5;
  box-shadow: 0 16px 32px rgba(2, 12, 27, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.28);
  margin-bottom: 0;
}
.cp-hot .cp-ico svg { width: 32px; height: 32px; filter: drop-shadow(0 4px 10px rgba(0, 180, 216, 0.4)); }
.cp-hot-text { display: flex; flex-direction: column; }
.cp-hot .cp-label {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.68);
  letter-spacing: 3px;
}
.cp-num {
  font-size: clamp(38px, 4.6vw, 56px);
  font-weight: 800;
  letter-spacing: 2px;
  line-height: 1.15;
  text-decoration: none;
  background: linear-gradient(120deg, #ffffff 0%, #e3f6fb 42%, #8fdcf0 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 8px 22px rgba(0, 180, 216, 0.30));
}
.cp-hot-sub {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.66);
  line-height: 1.8;
  padding-top: 14px;
  margin-bottom: 22px;
  position: relative;
}
.cp-hot-sub::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 64px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, rgba(72, 202, 228, 0.9), rgba(72, 202, 228, 0));
}
.cp-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.cp-hot .btn-primary {
  box-shadow: 0 14px 30px rgba(0, 180, 216, 0.35);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.cp-hot .btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 36px rgba(0, 180, 216, 0.45);
}
.cp-hot .btn-ghost {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.32);
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(4px);
}
.cp-hot .btn-ghost:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(72, 202, 228, 0.6);
}

/* 其余信息格 */
.cp-ico {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  color: #fff;
  background: linear-gradient(140deg, #0a1f3c, #123a63);
  box-shadow: 0 12px 24px rgba(10, 31, 60, 0.18);
  margin-bottom: 18px;
}
.cp-ico svg { width: 27px; height: 27px; stroke: currentColor; }
/* 微信官方绿色徽标 */
.cp-ico-wechat {
  background: linear-gradient(140deg, #0cae54, #07c160);
  box-shadow: 0 12px 24px rgba(7, 193, 96, 0.28);
}
.cp-ico-wechat svg { stroke: none; width: 30px; height: 30px; }
/* 地址：彩色地图徽标 */
.cp-ico-map {
  background: linear-gradient(140deg, #1e9bd7, #0b6e8c);
  box-shadow: 0 12px 24px rgba(11, 110, 140, 0.28);
}
.cp-ico-map svg { stroke: currentColor; fill: none; width: 30px; height: 30px; }
.cp-label {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--c-cyan);
  margin-bottom: 12px;
}
.cp-main {
  font-size: 18px;
  font-weight: 700;
  color: var(--c-navy);
  line-height: 1.75;
  text-decoration: none;
  word-break: break-all;
  transition: color .25s var(--ease);
}
a.cp-main:hover { color: var(--c-cyan); }
.cp-sub {
  font-size: 13.5px;
  color: var(--c-muted);
  line-height: 1.9;
  margin-top: 12px;
}
.cp-link {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  margin-top: auto;
  padding-top: 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--c-cyan);
  text-decoration: none;
  letter-spacing: .5px;
}
.cp-link::after {
  content: "→";
  margin-left: 7px;
  transition: margin-left .25s var(--ease);
}
.cp-link:hover::after { margin-left: 13px; }

/* 面板内的微信二维码格（二维码在上、文字在下） */
.cp-wechat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  margin-top: 4px;
}
.qr-mini {
  flex: 0 0 auto;
  width: 130px;
  height: 130px;
  padding: 9px;
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: 16px;
  box-shadow: 0 10px 22px rgba(10, 31, 60, 0.12);
}
.qr-mini img { width: 100%; height: 100%; display: block; }
.cp-wechat-text { display: flex; flex-direction: column; gap: 4px; text-align: center; }
.cp-wechat-text b {
  font-size: 16px;
  color: var(--c-navy);
  line-height: 1.5;
}
.cp-wechat-text span {
  font-size: 13px;
  color: var(--c-muted);
  line-height: 1.7;
}

@media (max-width: 1100px) {
  .contact-panel { grid-template-columns: 1fr 1fr; }
  .cp-hot { grid-column: 1 / -1; }
  .cp-hot + .cp-cell { border-left: none; }
}
@media (max-width: 640px) {
  .contact-panel { grid-template-columns: 1fr; }
  .cp-cell { border-left: none; border-top: 1px solid var(--c-line); padding: 30px 24px; }
  .cp-cell:first-child { border-top: none; }
  .cp-hot { padding: 28px 22px; }
  .cp-orbit { display: none; }
  .qr-mini { width: 112px; height: 112px; padding: 8px; }
  .cp-main { font-size: 17px; }
}

/* ---------- 留言表单 + 侧边信息 ---------- */
.contact-main {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 32px;
  align-items: start;
}
.form-card {
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  padding: 36px 34px;
  box-shadow: var(--shadow-md);
}
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.f-row { display: flex; flex-direction: column; }
.f-row.f-full { grid-column: 1 / -1; }
.f-row label {
  font-size: 13px;
  font-weight: 600;
  color: var(--c-navy);
  margin-bottom: 8px;
  letter-spacing: .5px;
}
.f-row label em { color: var(--c-cyan); font-style: normal; }
.f-row input,
.f-row select,
.f-row textarea {
  font-family: inherit;
  font-size: 14px;
  color: var(--c-ink);
  background: #fbfcfe;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  transition: border-color .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease);
}
.f-row textarea { resize: vertical; min-height: 120px; line-height: 1.8; }
.f-row input:focus,
.f-row select:focus,
.f-row textarea:focus {
  outline: none;
  background: #fff;
  border-color: var(--c-cyan);
  box-shadow: 0 0 0 3px rgba(0, 180, 216, 0.14);
}
.f-row input.is-invalid,
.f-row textarea.is-invalid {
  border-color: #e05252;
  background: #fff7f7;
}
.f-err {
  font-size: 12px;
  color: #d64545;
  min-height: 18px;
  margin-top: 4px;
}
.f-optional {
  font-style: normal;
  font-size: 12px;
  font-weight: 500;
  color: var(--c-muted);
  letter-spacing: 0;
}
.form-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 10px;
  flex-wrap: wrap;
}
.form-note {
  font-size: 12px;
  color: var(--c-muted);
  max-width: 420px;
  line-height: 1.7;
}
#cf-submit { min-width: 150px; justify-content: center; }

.form-success {
  text-align: center;
  padding: 26px 10px 6px;
}
.fs-ico {
  width: 64px;
  height: 64px;
  margin: 0 auto 18px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: #fff;
  background: var(--grad-cyan);
  box-shadow: 0 12px 26px rgba(0, 180, 216, 0.32);
}
.fs-ico svg { width: 30px; height: 30px; stroke: currentColor; }
.form-success h3 { font-size: 20px; color: var(--c-navy); margin-bottom: 10px; }
.form-success p {
  font-size: 14px;
  color: var(--c-muted);
  max-width: 420px;
  margin: 0 auto 20px;
  line-height: 1.8;
}

/* 侧边信息卡 */
.contact-side { display: grid; gap: 20px; }
.side-card {
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: var(--shadow-sm);
}
.side-card h3 {
  font-size: 17px;
  color: var(--c-navy);
  margin-bottom: 16px;
}
.map-box {
  position: relative;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: #dbe5f0;
  border: 1px solid var(--c-line);
  aspect-ratio: 4 / 3;
}
/* 未配置 Key / 加载失败时的静态占位图态：虚线框提示待替换 */
.map-box.is-static { border: 1.5px dashed rgba(10, 31, 60, 0.22); }
.map-box .mb-canvas { width: 100%; height: 100%; }
.map-box .mb-img { width: 100%; height: 100%; object-fit: cover; display: block; }
/* 高德信息窗内容 */
.map-box .mb-iw {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 2px 4px;
  font-family: inherit;
}
.map-box .mb-iw b { font-size: 14px; color: #0a1f3c; }
.map-box .mb-iw span { font-size: 12px; color: #5f7085; }
.map-box .mb-tip {
  position: absolute;
  left: 50%;
  bottom: 12px;
  transform: translateX(-50%);
  font-size: 12px;
  color: rgba(10, 31, 60, 0.6);
  background: rgba(255, 255, 255, 0.82);
  border-radius: 999px;
  padding: 5px 14px;
  white-space: nowrap;
}
.side-text {
  font-size: 13px;
  color: var(--c-text);
  margin-top: 14px;
  line-height: 1.8;
}
.side-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.side-tags span {
  font-size: 12px;
  color: var(--c-cyan);
  background: rgba(0, 180, 216, 0.1);
  border-radius: 999px;
  padding: 4px 12px;
}
/* ---------- 服务网络（已移除：全国服务网络模块） ---------- */

/* ---------- 常见问题 ---------- */
.faq-list {
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  gap: 14px;
}
.faq-list details {
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-sm);
  padding: 18px 22px;
  transition: box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.faq-list details[open] {
  border-color: rgba(0, 180, 216, 0.45);
  box-shadow: var(--shadow-sm);
}
.faq-list summary {
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 600;
  color: var(--c-navy);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  content: "+";
  flex: 0 0 auto;
  font-size: 22px;
  font-weight: 400;
  color: var(--c-cyan);
  transition: transform .3s var(--ease);
}
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p {
  font-size: 14px;
  color: var(--c-text);
  line-height: 1.9;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed var(--c-line);
}
/* 留言页：右侧栏中的常见问题，窄栏适配（标题左对齐、字号收敛） */
.contact-side .section-head.side-head {
  text-align: left;
  max-width: none;
  margin: 0 0 20px;
}
.contact-side .section-head.side-head h2 {
  font-size: 22px;
  margin-bottom: 8px;
}
.contact-side .section-head.side-head p {
  font-size: 14px;
  line-height: 1.7;
}
.contact-side .faq-list {
  max-width: none;
  margin: 0;
  gap: 12px;
}
.contact-side .faq-list details { padding: 15px 18px; }
.contact-side .faq-list summary { font-size: 15px; }
.contact-side .faq-list details p { font-size: 13.5px; line-height: 1.8; }

/* CTA 双按钮 */
.cta-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 8px;
}

@media (max-width: 992px) {
  .contact-main { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .form-grid { grid-template-columns: 1fr; }
  .form-card { padding: 24px 20px; }
  .pager { margin-top: 32px; gap: 6px; }
  .pg-btn { min-width: 36px; height: 36px; padding: 0 8px; font-size: 14px; }
  .pagination li a,
  .pagination li span { min-width: 36px; height: 36px; padding: 0 8px; font-size: 14px; }
  .cta-actions .btn { width: 100%; justify-content: center; }
}

/* =========================================================
   产品详情页（productdetail.html）
   ========================================================= */
/* 面包屑直接置于主区顶部，紧贴搜索栏（间距小于新闻内页） */
.pd-main-section {
  padding-top: 26px;
}
.pd-main-section .crumbs {
  margin-bottom: 22px;
}
/* 售后服务页面包屑：纯文字，背景与产品/新闻内页一致（置于主区顶部） */
.svc-main-section {
  padding-top: 26px;
}
.svc-main-section .crumbs {
  margin-bottom: 22px;
}
/* 左右结构：左内容 + 右侧栏（与新闻内页 article-wrap 同规格） */
.pd-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 46px;
  align-items: start;
}
.pd-left {
  min-width: 0;
  display: flex;
  flex-direction: column;
}
.pd-top {
  display: grid;
  grid-template-columns: 1fr 1.02fr;
  gap: 32px;
  align-items: start;
}
.pd-body {
  margin-top: 24px;
}
/* 左侧：产品大图 + 服务承诺 */
.pd-figure {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 420px;
  padding: 34px;
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}
.pd-figure img {
  max-width: 100%;
  max-height: 420px;
  width: auto;
  height: auto;
  object-fit: contain;
}
.pd-figure-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  color: #fff;
  background: var(--grad-cyan);
}
/* 右侧：核心信息 */
.pd-info {
  /* 侧栏已 sticky，这里不再吸附，避免双重吸附 */
  position: static;
}
.pd-info .pd-sub {
  margin: 10px 0 16px;
  font-size: clamp(22px, 2.4vw, 30px);
  line-height: 1.35;
  color: var(--c-navy);
}
.pd-summary {
  font-size: 15px;
  line-height: 1.95;
  color: var(--c-text);
}
.pd-meta {
  margin: 24px 0 26px;
}
.pd-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
/* 主体区块 */
.pd-body .pd-block {
  padding: 30px 34px;
  margin-bottom: 24px;
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: 20px;
  box-shadow: var(--shadow-sm);
}
.pd-body .pd-block:last-child {
  margin-bottom: 0;
}
.pd-block-head {
  margin-bottom: 20px;
}
.pd-block-head h3 {
  margin-top: 10px;
  font-size: clamp(20px, 2.2vw, 25px);
  color: var(--c-navy);
}
.pd-body p {
  font-size: 15px;
  line-height: 1.95;
  color: var(--c-text);
}
.pd-note {
  margin-top: 14px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  background: rgba(0, 180, 216, 0.07);
  font-size: 13.5px !important;
  color: var(--c-muted) !important;
}
/* 底部咨询条 */
.pd-cta-band {
  padding: 56px 0;
  color: #fff;
  background: var(--grad-hero);
}
.pd-cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
}
.pd-cta-text h3 {
  color: #fff;
  font-size: clamp(20px, 2.2vw, 26px);
  line-height: 1.4;
}
.pd-cta-text p {
  margin-top: 10px;
  font-size: 14.5px;
  line-height: 1.8;
  opacity: 0.78;
}
.pd-cta-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
@media (max-width: 768px) {
  .pd-cta-band { padding: 40px 0; }
  .pd-cta-inner { flex-direction: column; align-items: flex-start; gap: 20px; }
  .pd-cta-actions { width: 100%; }
  .pd-cta-actions .btn { flex: 1 1 auto; text-align: center; }
}

@media (max-width: 992px) {
  .pd-wrap {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .pd-top {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .pd-info {
    position: static;
  }
  .pd-figure {
    min-height: 320px;
    padding: 24px;
  }
  .pd-figure img {
    max-height: 320px;
  }
  .pd-body .pd-block {
    padding: 26px 22px;
  }
}

@media (max-width: 768px) {
  .pd-main-section {
    padding-top: 32px;
  }
  .pd-cta-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 22px;
  }
  .pd-actions .btn,
  .pd-cta-actions .btn {
    width: 100%;
    justify-content: center;
  }
}

/* ==========================================================
   售后服务页（service.html）
   ========================================================== */
/* ---------- 四项硬承诺概览 ---------- */
.svc-stats {
  display: grid;
  /* 自动响应 3 / 2 / 1 列，卡片数量变化时无需改断点 */
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}
.svc-stat {
  position: relative;
  overflow: hidden;
  padding: 26px 20px 24px;
  text-align: center;
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: transform 0.28s var(--ease), box-shadow 0.28s var(--ease), border-color 0.28s var(--ease);
}
.svc-stat::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--grad-cyan);
  opacity: 0;
  transition: opacity 0.28s var(--ease);
}
.svc-stat:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 180, 216, 0.4);
  box-shadow: var(--shadow-md);
}
.svc-stat:hover::before { opacity: 1; }
.svc-stat-ico {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  margin-bottom: 14px;
  border-radius: 15px;
  color: var(--c-cyan);
  background: linear-gradient(120deg, rgba(0, 180, 216, 0.14), rgba(30, 136, 229, 0.1));
}
.svc-stat-ico svg {
  width: 26px;
  height: 26px;
  stroke: currentColor;
}
.svc-stat b {
  display: block;
  font-size: clamp(24px, 2.4vw, 30px);
  line-height: 1.2;
  color: var(--c-navy);
}
.svc-stat-t {
  display: block;
  margin-top: 6px;
  font-size: 15px;
  font-weight: 700;
  color: var(--c-ink);
}
.svc-stat-d {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--c-muted);
}

/* ---------- 承诺书正文（左右结构） ---------- */
.svc-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 46px;
  align-items: start;
}
.svc-doc {
  min-width: 0;
  padding: 38px 42px 34px;
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
}
.svc-doc-head {
  padding-bottom: 20px;
  border-bottom: 1px solid var(--c-line);
}
.svc-seal {
  display: inline-block;
  margin-bottom: 12px;
  padding: 5px 14px;
  border-radius: 999px;
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--c-cyan);
  background: rgba(0, 180, 216, 0.1);
  border: 1px solid rgba(0, 180, 216, 0.32);
}
.svc-doc-head h2 {
  font-size: clamp(24px, 2.6vw, 32px);
  color: var(--c-navy);
}
.svc-doc-sub {
  margin-top: 6px;
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-muted);
}
.svc-lead {
  margin: 22px 0 4px;
  padding: 18px 20px 18px 22px;
  border-left: 4px solid var(--c-cyan);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: var(--c-bg);
  font-size: 15px;
  line-height: 1.95;
  color: var(--c-text);
}
.svc-clause {
  padding: 24px 0;
  border-bottom: 1px dashed var(--c-line);
}
.svc-clause:last-of-type { border-bottom: none; }
.svc-clause-head {
  display: flex;
  align-items: center;
  gap: 14px;
}
.svc-clause-num {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 13px;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: #fff;
  background: var(--grad-cyan);
  box-shadow: 0 8px 18px rgba(0, 180, 216, 0.28);
}
.svc-clause-head h3 {
  font-size: clamp(19px, 1.8vw, 22px);
  color: var(--c-navy);
}
.svc-clause.is-key {
  margin: 6px 0;
  padding: 24px 22px;
  border: 1px solid rgba(0, 180, 216, 0.3);
  border-radius: var(--radius-sm);
  background: linear-gradient(180deg, rgba(0, 180, 216, 0.06), rgba(0, 180, 216, 0.02));
}
.svc-list {
  margin-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.svc-list li {
  position: relative;
  padding-left: 24px;
  font-size: 15px;
  line-height: 1.9;
  color: var(--c-text);
  list-style: none;
}
.svc-list li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 11px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--grad-cyan);
}
.svc-list li b { color: var(--c-navy); }
.svc-kv {
  margin-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.svc-kv-row {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--c-line);
}
.svc-kv-k {
  flex: 0 0 auto;
  font-size: 13.5px;
  font-weight: 700;
  color: #fff;
  text-align: center;
  padding: 4px 0;
  border-radius: 999px;
  background: var(--c-navy);
}
.svc-kv-v {
  font-size: 14.8px;
  line-height: 1.85;
  color: var(--c-text);
}
.svc-sign {
  margin-top: 26px;
  padding: 22px 24px;
  border-radius: var(--radius-sm);
  background: var(--grad-hero);
  color: rgba(255, 255, 255, 0.86);
}
.svc-sign p {
  font-size: 14.5px;
  line-height: 1.9;
}
.svc-sign-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}
.svc-sign-co {
  font-size: 15.5px;
  font-weight: 700;
  color: #fff;
}
.svc-sign-tel { font-size: 14.5px; }
.svc-sign-tel a {
  font-weight: 700;
  color: var(--c-cyan-soft);
}
.svc-sign-tel a:hover { color: #fff; }

/* 侧栏服务须知列表 */
.svc-notice { list-style: none; }
.svc-notice li {
  padding: 10px 0 10px 14px;
  margin-bottom: 10px;
  border-left: 3px solid var(--c-line);
  font-size: 13.8px;
  line-height: 1.8;
  color: var(--c-text);
}
.svc-notice li:last-child { margin-bottom: 0; }
.svc-notice li span {
  display: block;
  margin-bottom: 2px;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--c-cyan);
}

/* ---------- 服务流程 ---------- */
.svc-flow {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
}
.svc-step {
  position: relative;
  padding: 24px 20px 22px;
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: transform 0.28s var(--ease), box-shadow 0.28s var(--ease), border-color 0.28s var(--ease);
}
.svc-step:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 180, 216, 0.4);
  box-shadow: var(--shadow-md);
}
/* 步骤之间的连接箭头 */
.svc-step + .svc-step::before {
  content: "";
  position: absolute;
  top: 34px;
  left: -13px;
  width: 10px;
  height: 10px;
  border-top: 2px solid var(--c-cyan);
  border-right: 2px solid var(--c-cyan);
  transform: rotate(45deg);
  opacity: 0.65;
}
.svc-step-i {
  display: inline-block;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.04em;
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.svc-step h4 {
  margin-top: 8px;
  font-size: 16.5px;
  color: var(--c-navy);
}
.svc-step p {
  margin-top: 8px;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--c-muted);
}
.svc-step-time {
  display: inline-block;
  margin-top: 14px;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--c-cyan);
  background: rgba(0, 180, 216, 0.1);
  border: 1px solid rgba(0, 180, 216, 0.3);
}

/* ---------- 保修范围细则 ---------- */
.svc-scope {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.svc-scope-card {
  position: relative;
  padding: 28px 24px 26px;
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: transform 0.28s var(--ease), box-shadow 0.28s var(--ease);
}
.svc-scope-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.svc-scope-tag {
  display: inline-block;
  margin-bottom: 14px;
  padding: 5px 14px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--c-navy);
  background: var(--c-bg);
  border: 1px solid var(--c-line);
}
.svc-scope-tag.is-free {
  color: #fff;
  border-color: transparent;
  background: var(--grad-cyan);
  box-shadow: 0 6px 14px rgba(0, 180, 216, 0.28);
}
.svc-scope-tag.is-cost {
  color: #fff;
  border-color: transparent;
  background: linear-gradient(120deg, #1e88e5, #0a1f3c);
}
.svc-scope-card h3 {
  font-size: 19px;
  color: var(--c-navy);
  margin-bottom: 10px;
}
.svc-scope-card > p {
  font-size: 14.2px;
  line-height: 1.85;
  color: var(--c-muted);
}
.svc-scope-card ul {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px dashed var(--c-line);
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 9px;
}
.svc-scope-card li {
  position: relative;
  padding-left: 22px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-text);
}
.svc-scope-card li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 9px;
  width: 12px;
  height: 7px;
  border-left: 2px solid var(--c-cyan);
  border-bottom: 2px solid var(--c-cyan);
  transform: rotate(-45deg);
}

/* ---------- 售后服务页：响应式 ---------- */
@media (max-width: 992px) {
  .svc-wrap {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .svc-flow { grid-template-columns: repeat(3, 1fr); }
  .svc-flow .svc-step:nth-child(4)::before { display: none; }
  .svc-scope { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .svc-doc { padding: 28px 24px 26px; }
  .svc-flow {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .svc-step + .svc-step::before { display: none; }
  .svc-sign-row { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 640px) {
  .svc-stats {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .svc-stat { padding: 20px 18px; text-align: left; }
  .svc-stat-ico { width: 44px; height: 44px; }
  .svc-doc { padding: 22px 18px 20px; border-radius: var(--radius-sm); }
  .svc-lead {
    padding: 14px 14px 14px 16px;
    font-size: 14.2px;
    line-height: 1.85;
  }
  .svc-clause { padding: 18px 0; }
  .svc-clause.is-key { padding: 18px 16px; }
  .svc-clause-num { width: 38px; height: 38px; font-size: 14px; border-radius: 11px; }
  .svc-kv-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .svc-kv-k { width: 84px; }
  .svc-list li { font-size: 14.2px; line-height: 1.85; }
  .svc-flow { grid-template-columns: 1fr; }
  .svc-scope-card { padding: 22px 20px; }
}

/* ---------- 全站右侧悬浮工具条（毛玻璃 + 彩色圆钮） ---------- */
.float-dock {
  position: fixed;
  right: 0;                         /* 贴网站右边 */
  bottom: 80px;
  z-index: 90;                      /* 低于导航抽屉(100)，菜单打开时被遮挡 */
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 9px;
  padding: 0;                       /* 无卡片，去掉毛玻璃，按钮直接贴边 */
  background: transparent;
  border: none;
  box-shadow: none;
  animation: fdIn .55s cubic-bezier(.2, .8, .2, 1) both;
}
@keyframes fdIn { from { opacity: 0; transform: translateX(30px) scale(.9); } to { opacity: 1; transform: none; } }

.fd-btn {
  position: relative;
  width: 46px;
  height: 46px;
  border: none;
  border-radius: 12px;              /* 方形 + 四角弧线 */
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  text-decoration: none;
  transition: transform .25s cubic-bezier(.2, .8, .2, 1), box-shadow .25s;
  box-shadow: 0 8px 18px rgba(0, 0, 0, .18);
}
.fd-btn svg { width: 22px; height: 22px; display: block; transition: transform .25s; }
.fd-btn:hover { transform: scale(1.13); box-shadow: 0 12px 26px rgba(0, 0, 0, .30); }
.fd-btn:hover svg { transform: scale(1.12); }

/* 彩色圆钮 */
.fd-phone  { background: linear-gradient(135deg, #ff5ea8 0%, #e01e6b 100%); }
.fd-wechat { background: linear-gradient(135deg, #2fe089 0%, #0f9d58 100%); }
.fd-msg    { background: linear-gradient(135deg, #ffb24d 0%, #fb7a18 100%); }
.fd-top    { background: linear-gradient(135deg, #27d6e8 0%, #0e9bb5 100%); }

/* 回到顶部与其他按钮共用 .fd-btn::before 作为气泡尾巴；
 * 勿再给 .fd-top::before 加分隔线等样式，否则两条规则属性会合并成畸形箭头 */

/* 左侧文字/号码气泡 */
.fd-btn::after {
  content: attr(data-tip);
  position: absolute;
  right: calc(100% + 16px);
  top: 50%;
  transform: translateY(-50%) translateX(10px) scale(.94);
  white-space: nowrap;
  background: #fff;
  color: #0a2f5e;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .4px;
  padding: 9px 14px;
  border-radius: 12px;
  box-shadow: 0 8px 22px rgba(11, 60, 110, .28);
  opacity: 0;
  pointer-events: none;
  transition: opacity .22s, transform .22s cubic-bezier(.2, .8, .2, 1);
}
.fd-btn::before {
  content: "";
  position: absolute;
  right: calc(100% + 8px);
  top: 50%;
  transform: translateY(-50%);
  border: 7px solid transparent;
  border-left-color: #fff;
  opacity: 0;
  transition: opacity .22s;
}
.fd-btn:hover::after, .fd-item.open .fd-btn::after { opacity: 1; transform: translateY(-50%) translateX(0) scale(1); }
.fd-btn:hover::before, .fd-item.open .fd-btn::before { opacity: 1; }

/* 微信二维码弹层（亮色白卡） */
.fd-item { position: relative; }
.fd-pop {
  position: absolute;
  right: calc(100% + 18px);
  bottom: 50%;
  transform: translateY(50%) scale(.9);
  width: 170px;
  background: #fff;
  border-radius: 20px;
  padding: 16px 16px 14px;
  box-shadow: 0 24px 60px rgba(11, 60, 110, .32);
  text-align: center;
  border-top: 6px solid #0f9d58;
  opacity: 0;
  visibility: hidden;
  transform-origin: right center;
  transition: opacity .26s, transform .26s, visibility 0s linear .26s;
}
.fd-item.open .fd-pop {
  opacity: 1;
  visibility: visible;
  transform: translateY(50%) scale(1);
  transition: opacity .26s, transform .26s;
}
.fd-pop::after {
  content: "";
  position: absolute;
  left: 100%;
  bottom: 50%;
  transform: translateY(50%);
  border: 9px solid transparent;
  border-left-color: #fff;
}
.fd-pop-qr {
  width: 130px;
  height: 130px;
  margin: 0 auto 12px;
  border-radius: 16px;
  overflow: hidden;
  background: #fff;
  box-shadow: inset 0 0 0 1px rgba(10, 47, 94, .08);
}
.fd-pop-qr img { width: 100%; height: 100%; display: block; }
.fd-pop-txt { font-size: 14px; line-height: 1.6; color: #0a2f5e; font-weight: 800; }
.fd-pop-txt span { display: block; font-size: 12px; color: #7a8aa0; font-weight: 600; margin-top: 4px; }

@media (max-width: 768px) {
  .float-dock { right: 0; bottom: 56px; padding: 0; gap: 8px; }
  .fd-btn { width: 40px; height: 40px; }
  .fd-btn svg { width: 19px; height: 19px; }
  .fd-btn::after, .fd-btn::before { display: none; }   /* 移动端去掉 hover 提示，避免误触 */
  .float-dock .fd-item { display: none; }   /* 手机端隐藏微信扫码（连同包裹层，避免 flex gap 残留双倍缝隙） */
  .fd-pop { width: 158px; right: calc(100% + 12px); }
  .fd-pop-qr { width: 120px; height: 120px; }
}