/* ==========================================================
   兴合顺新能源 - 热管理零部件标准化批量交付平台
   样式文件（离线，无外部依赖）
   字体：Noto Sans SC（思源黑体，OFL 开源免费可商用）
   ========================================================== */

/* ---------- 免费字体 ---------- */
@font-face {
  font-family: 'Noto Sans SC';
  src: url('../fonts/NotoSansSC-VF.ttf') format('truetype');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

/* ---------- 设计变量 ---------- */
:root {
  --blue: #336DF4;
  --blue-hover: #245DE0;
  --blue-deep: #1D4ED8;
  --blue-bg: #EFF4FF;
  --cyan: #0EA5B7;
  --cyan-bg: #E6F8FA;
  --amber: #D9A300;
  --amber-bg: #FCF6E3;
  --violet: #7C5CF0;
  --violet-bg: #F1EDFE;

  --navy: #171F30;
  --ink: #1F2A3D;
  --text: #4A5568;
  --muted: #7A8699;

  --bg: #F7FAFE;
  --white: #FFFFFF;
  --border: #E5EBF3;
  --footer-bg: #0E1626;

  --radius-sm: 8px;
  --radius-card: 16px;
  --radius-lg: 24px;

  --shadow-card: 0 10px 30px rgba(23, 31, 48, 0.06);
  --shadow-float: 0 16px 40px rgba(23, 31, 48, 0.12);
  --shadow-header: 0 4px 20px rgba(23, 31, 48, 0.08);

  --container: 1280px;
}

/* ---------- 基础重置 ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; overflow-x: hidden; }

body {
  font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  width: 100%;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.text-blue { color: var(--blue); }

/* ---------- 通用按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  padding: 12px 24px;
  transition: all .25s ease;
  white-space: nowrap;
  line-height: 1.2;
}
.btn svg { width: 16px; height: 16px; }
.btn-lg { padding: 14px 30px; font-size: 15px; font-weight: 600; }

.btn-primary {
  background: var(--blue);
  color: #fff;
  box-shadow: 0 6px 18px rgba(51, 109, 244, .28);
}
.btn-primary:hover { background: var(--blue-hover); box-shadow: 0 8px 22px rgba(51, 109, 244, .38); transform: translateY(-1px); }

.btn-outline {
  background: var(--white);
  color: var(--navy);
  border: 1px solid var(--border);
}
.btn-outline:hover { border-color: var(--blue); color: var(--blue); box-shadow: 0 6px 18px rgba(23, 31, 48, .08); }

.btn-white {
  background: #fff;
  color: var(--blue);
  font-weight: 600;
  box-shadow: 0 8px 22px rgba(10, 37, 120, .25);
}
.btn-white:hover { transform: translateY(-1px); box-shadow: 0 12px 28px rgba(10, 37, 120, .35); }

.btn-ghost {
  background: rgba(255, 255, 255, .12);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, .55);
}
.btn-ghost:hover { background: rgba(255, 255, 255, .22); transform: translateY(-1px); }

/* ---------- 徽标 Badge ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--blue);
  background: var(--blue-bg);
  border-radius: 999px;
  padding: 6px 14px;
  line-height: 1.4;
}
.badge svg { width: 14px; height: 14px; flex: none; }
.badge-center { margin: 0 auto; }

/* ---------- 标题体系 ---------- */
.section { padding: 96px 0; }

.section-head { text-align: center; max-width: 720px; margin: 0 auto 56px; }

.section-title {
  font-size: 34px;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.35;
  letter-spacing: .5px;
  margin: 18px 0 14px;
}

.section-sub {
  font-size: 15.5px;
  color: var(--muted);
  line-height: 1.8;
}

/* ==========================================================
   顶部导航
   ========================================================== */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border-bottom: 1px solid transparent;
  transition: box-shadow .3s ease, background .3s ease, border-color .3s ease, backdrop-filter .3s ease;
}
.header.scrolled {
  box-shadow: var(--shadow-header);
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: rgba(23, 31, 48, .06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 24px;
}

/* Logo */
.logo { display: inline-flex; align-items: center; flex: none; }
.logo img {
  display: block;
  height: 44px;
  width: auto;
}

/* 导航菜单 */
.nav { display: flex; align-items: center; gap: 6px; }
.nav-link {
  position: relative;
  padding: 8px 14px;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink);
  border-radius: 6px;
  transition: color .2s ease;
}
.nav-link::after {
  content: '';
  position: absolute;
  left: 50%; bottom: 0;
  width: 0; height: 2.5px;
  background: var(--blue);
  border-radius: 2px;
  transform: translateX(-50%);
  transition: width .25s ease;
}
.nav-link:hover { color: var(--blue); }
.nav-link.active { color: var(--blue); font-weight: 600; }
.nav-link.active::after { width: 22px; }
.nav-contact-m { display: none; }

.header-right { display: flex; align-items: center; gap: 16px; flex: none; }

/* 语言切换 */
.lang-switch {
  display: inline-flex;
  align-items: center;
  background: #F1F5FB;
  border-radius: 999px;
  padding: 3px;
}
.lang-btn {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--muted);
  padding: 4px 12px;
  border-radius: 999px;
  transition: all .2s ease;
  line-height: 1.5;
  text-decoration: none;
  outline: none;
  -webkit-tap-highlight-color: transparent;
}
.lang-btn:focus,
.lang-btn:focus-visible { outline: none; box-shadow: none; }
.lang-btn.active { background: #fff; color: var(--blue); box-shadow: 0 2px 6px rgba(23, 31, 48, .1); }

.btn-contact { padding: 10px 18px; font-size: 14px; }
.btn-contact svg { width: 15px; height: 15px; }

/* 汉堡按钮 */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px; height: 42px;
  border-radius: 10px;
  border: 1px solid var(--border);
  align-items: center;
}
.nav-toggle span {
  display: block;
  width: 20px; height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: all .3s ease;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ==========================================================
   首屏 Hero
   ========================================================== */
.hero {
  position: relative;
  padding: 168px 0 110px;
  background: var(--bg);
  overflow: hidden;
}
/* 蓝色光晕 */
.hero::after {
  content: '';
  position: absolute;
  top: -220px; right: -160px;
  width: 620px; height: 620px;
  background: radial-gradient(circle, rgba(51, 109, 244, .10) 0%, transparent 65%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 64px;
  align-items: center;
}
.hero-inner > *,
.supply-inner > * { min-width: 0; }

.hero-title {
  font-size: 46px;
  font-weight: 800;
  color: var(--navy);
  line-height: 1.28;
  letter-spacing: 1px;
  margin: 22px 0 22px;
}
.hero-title .text-blue { color: var(--blue); }

.hero-desc {
  font-size: 15.5px;
  color: var(--text);
  line-height: 1.9;
  max-width: 560px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 34px;
}

.hero-trust {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px 28px;
  margin-top: 34px;
}
.hero-trust li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--muted);
}
.hero-trust svg { width: 18px; height: 18px; color: #34B17B; flex: none; }
.hero-trust strong { color: var(--navy); font-weight: 700; }

/* Hero 图片与浮动卡片 */
.hero-media { position: relative; }
.hero-img-wrap {
  position: relative;
  border-radius: 20px;
  overflow: visible;
}
.hero-img {
  width: 100%;
  aspect-ratio: 4 / 3.15;
  object-fit: cover;
  border-radius: 20px;
  box-shadow: var(--shadow-float);
}
.hero-img-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(14, 22, 38, .05) 0%, rgba(14, 22, 38, .28) 100%);
  pointer-events: none;
}

.stat-float {
  position: absolute;
  z-index: 2;
  background: #fff;
  border-radius: 14px;
  padding: 14px 20px;
  box-shadow: 0 14px 36px rgba(23, 31, 48, .16);
  min-width: 118px;
}
.stat-float strong {
  display: block;
  font-size: 26px;
  font-weight: 800;
  color: var(--navy);
  line-height: 1.15;
  letter-spacing: .5px;
}
.stat-float strong sup { font-size: 16px; font-weight: 700; margin-left: 1px; }
.stat-float strong em { font-style: normal; font-size: 15px; font-weight: 700; margin-left: 2px; }
.stat-float span { font-size: 12.5px; color: var(--muted); white-space: nowrap; }

.stat-float--sku { top: -26px; left: -34px; }
.stat-float--clients { top: 34%; right: -42px; }
.stat-float--days {
  bottom: -24px; right: 34px;
  background: linear-gradient(135deg, #4B82FF 0%, #2459E8 100%);
  box-shadow: 0 16px 36px rgba(36, 89, 232, .4);
}
.stat-float--days strong, .stat-float--days span { color: #fff; }
.stat-float--days span { opacity: .85; }

/* ==========================================================
   四大业务板块
   ========================================================== */
.business { background: #fff; }

.business-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.biz-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 30px 26px 26px;
  transition: all .3s ease;
  display: flex;
  flex-direction: column;
}
.biz-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card);
  border-color: transparent;
}

.biz-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px; height: 52px;
  border-radius: 14px;
  margin-bottom: 20px;
}
.biz-icon svg { width: 26px; height: 26px; }
.biz-icon--blue   { background: var(--blue-bg);   color: var(--blue); }
.biz-icon--cyan   { background: var(--cyan-bg);   color: var(--cyan); }
.biz-icon--amber  { background: var(--amber-bg);  color: var(--amber); }
.biz-icon--violet { background: var(--violet-bg); color: var(--violet); }

.biz-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 10px;
  line-height: 1.45;
}
.biz-card p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.8;
  flex: 1;
}
.more-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 18px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--blue);
  transition: gap .2s ease;
}
.more-link svg { width: 14px; height: 14px; transition: transform .2s ease; }
.more-link:hover { gap: 8px; }
.more-link:hover svg { transform: translateX(2px); }

/* ==========================================================
   批量供货与外贸渠道
   ========================================================== */
.supply {
  background: var(--bg);
}
.supply-inner {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 64px;
  align-items: center;
}
.supply-content { min-width: 0; }
.data-card { min-width: 0; }
.supply-sub { margin: 0; max-width: 540px; }

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 34px;
}
.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px 24px;
  transition: all .3s ease;
}
.feature-item:hover { box-shadow: var(--shadow-card); transform: translateX(4px); }

.feature-icon {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--blue-bg);
  color: var(--blue);
}
.feature-icon svg { width: 22px; height: 22px; }

.feature-item h4 { font-size: 15.5px; font-weight: 700; color: var(--navy); margin-bottom: 4px; }
.feature-item p { font-size: 13.5px; color: var(--muted); line-height: 1.75; }

/* 蓝色数据卡片 */
.data-card {
  position: relative;
  border-radius: var(--radius-lg);
  padding: 48px 44px;
  color: #fff;
  background: linear-gradient(135deg, #336DF4 0%, #1F56E6 55%, #1741BE 100%);
  box-shadow: 0 24px 50px rgba(23, 65, 190, .38);
  overflow: hidden;
}
.data-card::before {
  content: '';
  position: absolute;
  top: -120px; right: -90px;
  width: 320px; height: 320px;
  background: radial-gradient(circle, rgba(255, 255, 255, .12) 0%, transparent 65%);
  pointer-events: none;
}
.data-card::after {
  content: '';
  position: absolute;
  bottom: -140px; left: -70px;
  width: 280px; height: 280px;
  background: radial-gradient(circle, rgba(120, 178, 255, .16) 0%, transparent 65%);
  pointer-events: none;
}
.data-label {
  display: inline-block;
  font-size: 13px;
  background: rgba(255, 255, 255, .16);
  border-radius: 999px;
  padding: 5px 14px;
  margin-bottom: 14px;
}
.data-card h3 { font-size: 26px; font-weight: 700; margin-bottom: 36px; letter-spacing: 1px; }

.data-stats {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.data-stat { text-align: left; }
.data-stat strong {
  display: block;
  font-size: 34px;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: .5px;
}
.data-stat strong em { font-style: normal; font-size: 18px; font-weight: 700; margin-left: 1px; }
.data-stat-label { font-size: 13px; opacity: .82; white-space: nowrap; }

/* ==========================================================
   CTA
   ========================================================== */
.cta-section { padding: 40px 0 100px; background: #fff; }
.cta-card {
  position: relative;
  border-radius: var(--radius-lg);
  padding: 72px 40px;
  text-align: center;
  color: #fff;
  background: linear-gradient(135deg, #336DF4 0%, #2258E2 52%, #1A47D0 100%);
  box-shadow: 0 28px 60px rgba(22, 66, 196, .34);
  overflow: hidden;
}
.cta-card::before {
  content: '';
  position: absolute;
  top: -160px; left: 50%;
  transform: translateX(-50%);
  width: 560px; height: 300px;
  background: radial-gradient(ellipse, rgba(255, 255, 255, .09) 0%, transparent 65%);
  pointer-events: none;
}
.cta-card h2 {
  position: relative;
  font-size: 30px;
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 14px;
}
.cta-card p {
  position: relative;
  font-size: 15.5px;
  opacity: .9;
  margin-bottom: 36px;
}
.cta-actions {
  position: relative;
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ==========================================================
   页脚
   ========================================================== */
.footer {
  background: var(--footer-bg);
  color: rgba(255, 255, 255, .68);
  padding-top: 72px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.4fr;
  gap: 48px;
  padding-bottom: 56px;
}
.footer-inner > * { min-width: 0; }

.logo-light img {
  height: 44px;
  background: #fff;
  padding: 6px 12px;
  border-radius: 10px;
}

.footer-desc {
  font-size: 13.5px;
  line-height: 1.9;
  color: rgba(255, 255, 255, .58);
  margin: 20px 0 22px;
  max-width: 380px;
}

.trademark-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12.5px;
  color: rgba(255, 255, 255, .75);
  border: 1px solid rgba(255, 255, 255, .22);
  border-radius: 8px;
  padding: 7px 14px;
}
.trademark-badge svg { width: 14px; height: 14px; color: #5B9BFF; }

.footer-col h5 {
  font-size: 15.5px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 22px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 13px; }
.footer-col a {
  font-size: 13.5px;
  color: rgba(255, 255, 255, .58);
  transition: color .2s ease;
}
.footer-col a:hover { color: #6EA4FF; }

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13.5px;
}
.footer-contact svg {
  width: 16px; height: 16px;
  color: #5B9BFF;
  margin-top: 4px;
  flex: none;
}
.footer-contact em {
  font-style: normal;
  color: rgba(255, 255, 255, .45);
  margin-right: 8px;
}
.footer-contact a { color: rgba(255, 255, 255, .78); font-weight: 500; }

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .08);
  padding: 22px 0;
}
.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-bottom p { font-size: 12.5px; color: rgba(255, 255, 255, .4); }
.footer-slogan { display: inline-flex; align-items: center; gap: 7px; }
.footer-slogan .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--blue); }

/* ==========================================================
   滚动入场动画
   ========================================================== */
.reveal {
  opacity: 0;
  transition: opacity .6s ease;
  will-change: opacity;
}
.reveal.visible {
  opacity: 1;
}

/* ==========================================================
   响应式
   ========================================================== */
@media (max-width: 1100px) {
  .hero-title { font-size: 38px; }
  .business-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 40px; }
  .stat-float--clients { right: -16px; }
  .stat-float--sku { left: -16px; }
}

@media (max-width: 900px) {
  .section { padding: 72px 0; }
  .section-title { font-size: 28px; }

  /* 导航 */
  .nav {
    position: fixed;
    top: 76px; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: #fff;
    padding: 12px 24px 20px;
    box-shadow: var(--shadow-header);
    transform: translateY(-130%);
    transition: transform .35s ease;
    z-index: 99;
  }
  .nav.open { transform: translateY(0); }
  .nav-link { padding: 13px 10px; border-bottom: 1px solid #F0F3F8; border-radius: 0; }
  .nav-link::after { display: none; }
  .nav-toggle { display: flex; }
  .lang-switch { display: none; }
  .nav-contact-m {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 14px;
    padding: 13px 10px;
    background: var(--blue);
    color: #fff;
    font-weight: 600;
    border-radius: 10px;
    border-bottom: none;
  }
  .nav-contact-m:hover { color: #fff; }

  /* Hero */
  .hero { padding: 130px 0 80px; }
  .hero-inner { grid-template-columns: 1fr; gap: 56px; }
  .hero-title { font-size: 32px; }
  .hero-actions { flex-wrap: wrap; }

  /* 浮动卡片收进图片内 */
  .stat-float { padding: 10px 14px; min-width: 0; }
  .stat-float strong { font-size: 20px; }
  .stat-float span { font-size: 11px; }
  .stat-float--sku { top: 14px; left: 14px; }
  .stat-float--clients { top: auto; bottom: 14px; right: 14px; }
  .stat-float--days { bottom: 14px; left: 14px; right: auto; }

  /* 供货区 */
  .supply-inner { grid-template-columns: 1fr; gap: 48px; }
  .data-card { padding: 36px 28px; }
  .data-card h3 { margin-bottom: 28px; font-size: 22px; }
  .data-stat strong { font-size: 26px; }

  /* CTA */
  .cta-card { padding: 52px 26px; }
  .cta-card h2 { font-size: 24px; }

  .footer { padding-top: 56px; }
  .footer-inner { grid-template-columns: 1fr; gap: 36px; padding-bottom: 40px; }
}

@media (max-width: 560px) {
  .container { padding: 0 18px; }
  .header-inner { gap: 12px; }
  .logo img { height: 36px; }
  .logo-light img { height: 36px; padding: 5px 10px; }
  .btn-contact { display: none; }
  .hero-title { font-size: 27px; }
  .section-title { font-size: 24px; letter-spacing: 0; }
  .business-grid { grid-template-columns: 1fr; }
  .data-stats { grid-template-columns: 1fr; gap: 22px; text-align: center; }
  .cta-actions .btn { width: 100%; }
  .hero-trust { gap: 10px 18px; }
  .footer-bottom-inner { justify-content: center; text-align: center; }
  .data-card { padding: 36px 24px; }
  .footer-contact em { display: inline-block; min-width: 52px; }
}

/* ==========================================================
   供应能力页（gyl.html）专属样式
   ========================================================== */

/* --- Breadcrumb + Hero --- */
.supply-hero {
  padding: 112px 0 56px;
  background: linear-gradient(180deg, #F7FAFE 0%, #FFFFFF 100%);
}
.breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: #8B95A6;
  margin-bottom: 32px;
}
.breadcrumb a {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: #8B95A6;
  transition: color .2s ease;
}
.breadcrumb a:hover { color: var(--blue); }
.breadcrumb svg { width: 13px; height: 13px; }
.bc-sep { color: #C8CED8; }
.bc-cur { color: var(--text); font-weight: 500; }

.supply-hero-inner { max-width: 760px; }
.supply-hero-inner .badge { margin-bottom: 20px; }
.supply-hero-title {
  font-size: 42px;
  font-weight: 800;
  letter-spacing: 0.5px;
  color: var(--navy);
  line-height: 1.25;
  margin-bottom: 16px;
}
.supply-hero-desc {
  font-size: 16px;
  color: var(--sub);
  line-height: 1.75;
}

/* --- 工厂 Banner --- */
.mfg-banner { padding: 0 0 56px; }
.mfg-banner-card {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  aspect-ratio: 16 / 7;
  box-shadow: var(--shadow-float);
}
.mfg-banner-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.mfg-banner-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(14, 22, 38, .78) 0%, rgba(14, 22, 38, .35) 45%, rgba(14, 22, 38, .05) 75%);
  color: #fff;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 48px 52px;
}
.mfg-eyebrow {
  font-size: 12px;
  letter-spacing: 3px;
  font-weight: 600;
  color: rgba(255,255,255,.7);
  margin-bottom: 10px;
  text-transform: uppercase;
}
.mfg-banner-overlay h2 {
  font-size: 34px;
  font-weight: 800;
  line-height: 1.3;
}
.mfg-banner-overlay h2 span {
  color: #5B9BFF;
}

/* --- 两列卡片 --- */
.mfg-cards { padding: 0 0 64px; }
.mfg-cards-inner {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 28px;
}
.mfg-cards-inner > * { min-width: 0; }

.mfg-card {
  border-radius: 16px;
  padding: 40px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.mfg-card--light {
  background: #fff;
  border: 1px solid #EEF1F7;
  box-shadow: var(--shadow-card);
}
.mfg-card--dark {
  background: linear-gradient(160deg, #1F2A3D 0%, #0E1626 100%);
  color: #fff;
  box-shadow: 0 16px 48px rgba(14, 22, 38, .22);
}
.mfg-card--dark .mfg-card-desc,
.mfg-card--dark p { color: rgba(255,255,255,.62); }

.mfg-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 4px;
}
.mfg-icon svg { width: 24px; height: 24px; }
.mfg-icon--blue { background: rgba(51,109,244,.12); color: var(--blue); }
.mfg-icon--white { background: rgba(255,255,255,.1); color: #fff; }

.mfg-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--navy);
}
.mfg-card--dark h3 { color: #fff; }
.mfg-card p {
  font-size: 14.5px;
  color: var(--sub);
  line-height: 1.75;
}

/* 三列数据（左卡底部） */
.mfg-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 22px;
  padding-top: 24px;
  border-top: 1px solid #EEF1F7;
}
.mfg-stat strong {
  display: block;
  font-size: 28px;
  font-weight: 800;
  color: var(--navy);
  letter-spacing: 0.5px;
  line-height: 1.15;
}
.mfg-stat strong em {
  font-style: normal;
  font-size: 14px;
  font-weight: 600;
  color: var(--sub);
  margin-left: 3px;
}
.mfg-stat > span {
  display: block;
  font-size: 12.5px;
  color: var(--sub);
  margin-top: 4px;
}

/* 合作标签（右卡底部） */
.mfg-tags {
  display: flex;
  gap: 10px;
  margin-top: auto;
  padding-top: 22px;
}
.mfg-tag {
  font-size: 12.5px;
  padding: 6px 14px;
  border-radius: 20px;
  background: rgba(255,255,255,.1);
  color: rgba(255,255,255,.85);
  border: 1px solid rgba(255,255,255,.15);
}

/* --- 六大品类供应矩阵 --- */
.matrix { padding: 8px 0 56px; }
.matrix-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.matrix-card {
  background: #fff;
  border: 1px solid #EEF1F7;
  border-radius: 14px;
  padding: 28px 26px 24px;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.matrix-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 36px rgba(23, 31, 48, .09);
  border-color: #D6E2FB;
}
.matrix-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(51,109,244,.09);
  color: var(--blue);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}
.matrix-icon svg { width: 22px; height: 22px; }
.matrix-card h3 {
  font-size: 15.5px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 4px;
}
.matrix-sku {
  display: inline-block;
  font-size: 12px;
  color: var(--blue);
  font-weight: 600;
  margin-bottom: 14px;
  letter-spacing: 0.5px;
}
.matrix-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.matrix-tags span {
  font-size: 12px;
  padding: 4px 12px;
  border-radius: 4px;
  background: #F3F6FC;
  color: var(--sub);
}

/* --- 蓝色统计条 --- */
.stats-band {
  padding: 56px 0;
  background: linear-gradient(135deg, #336DF4 0%, #1F56E6 55%, #1741BE 100%);
  color: #fff;
}
.stats-band-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
.stats-band-item strong {
  display: block;
  font-size: 38px;
  font-weight: 800;
  letter-spacing: 1px;
  line-height: 1.2;
  margin-bottom: 8px;
}
.stats-band-item strong em {
  font-style: normal;
  font-size: 16px;
  font-weight: 600;
  margin-left: 3px;
}
.stats-band-item > span {
  font-size: 13.5px;
  color: rgba(255,255,255,.8);
  letter-spacing: 0.5px;
}

/* --- gyl 响应式 --- */
@media (max-width: 1024px) {
  .supply-hero-title { font-size: 36px; }
  .mfg-banner-overlay { padding: 36px 40px; }
  .mfg-banner-overlay h2 { font-size: 28px; }
  .matrix-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .mfg-cards-inner { grid-template-columns: 1fr; }
  .mfg-stats { grid-template-columns: repeat(3, 1fr); }
  .stats-band-inner { grid-template-columns: repeat(2, 1fr); gap: 28px; }
  .stats-band-item strong { font-size: 32px; }
}

@media (max-width: 560px) {
  .supply-hero { padding: 24px 0 40px; }
  .supply-hero-title { font-size: 28px; }
  .supply-hero-desc { font-size: 14.5px; }
  .mfg-banner { padding-bottom: 40px; }
  .mfg-banner-card { aspect-ratio: 16 / 10; }
  .mfg-banner-overlay { padding: 24px 22px; }
  .mfg-banner-overlay h2 { font-size: 22px; }
  .mfg-eyebrow { letter-spacing: 2px; font-size: 11px; }
  .mfg-card { padding: 28px 24px; }
  .mfg-stats { grid-template-columns: 1fr 1fr 1fr; gap: 12px; }
  .mfg-stat strong { font-size: 22px; }
  .matrix-grid { grid-template-columns: 1fr; }
  .matrix-card { padding: 24px 22px 20px; }
  .stats-band { padding: 44px 0; }
  .stats-band-item strong { font-size: 28px; }
}

/* ==========================================================
   产品体系页（products.html）专属样式
   ========================================================== */

/* --- Hero + Tab --- */
.pro-hero {
  padding: 112px 0 40px;
  background: linear-gradient(180deg, #F7FAFE 0%, #FFFFFF 100%);
}
.pro-hero-inner { max-width: 720px; }
.pro-hero-inner .badge { margin-bottom: 20px; }
.pro-hero-title {
  font-size: 42px;
  font-weight: 800;
  letter-spacing: 0.5px;
  color: var(--navy);
  line-height: 1.3;
  margin-bottom: 14px;
}
.pro-hero-desc {
  font-size: 16px;
  color: var(--sub);
  line-height: 1.75;
  margin-bottom: 40px;
}

/* Tab 切换 */
.pro-tabs {
  display: flex;
  gap: 8px;
  border-bottom: 1px solid #E5E8EF;
}
.pro-tab {
  padding: 14px 22px;
  font-size: 15px;
  font-weight: 500;
  color: #8B95A6;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: color .2s ease, border-color .2s ease, font-weight .2s ease;
  white-space: nowrap;
  font-family: inherit;
}
.pro-tab:hover { color: var(--navy); }
.pro-tab.active {
  color: var(--blue);
  font-weight: 600;
  border-bottom-color: var(--blue);
}

/* Tab 面板切换 */
.pro-tab-panel { display: none; }
.pro-tab-panel.active { display: block; animation: fadeInTab .3s ease; }
@keyframes fadeInTab {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: none; }
}

/* --- 主布局：左大卡 + 右网格 --- */
.pro-content { padding: 36px 0 48px; }
.pro-layout {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 28px;
  align-items: start;
}
.pro-layout > * { min-width: 0; }

/* 左侧大卡 */
.pro-hero-card {
  position: relative;
  background: #fff;
  border: 1px solid #EEF1F7;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
}
.pro-hero-img {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #F7FAFE;
}
.pro-hero-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.pro-hero-img--solid {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #EAF1FE 0%, #F7FAFE 100%);
}
.pro-ph-svg { width: 100%; height: 100%; }
.pro-hero-body { padding: 26px 28px 28px; }
.pro-cat-label {
  display: inline-block;
  font-size: 11.5px;
  letter-spacing: 1px;
  font-weight: 600;
  color: var(--blue);
  text-transform: uppercase;
  margin-bottom: 6px;
}
.pro-cat-app {
  font-size: 15px;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 16px;
}

/* 现货标签行 */
.pro-tag-row { display: flex; gap: 8px; flex-wrap: wrap; }
.pro-stock {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 4px;
}
.pro-stock::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
}
.pro-stock--spot {
  background: rgba(51,109,244,.08);
  color: var(--blue);
}
.pro-stock--spot::before { background: var(--blue); }
.pro-stock--batch {
  background: rgba(14,165,183,.08);
  color: #0EA5B7;
}
.pro-stock--batch::before { background: #0EA5B7; }

/* 右侧网格 */
.pro-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.pro-item {
  background: #fff;
  border: 1px solid #EEF1F7;
  border-radius: 14px;
  padding: 24px 22px 20px;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.pro-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(23, 31, 48, .08);
  border-color: #D6E2FB;
}
.pro-item-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(51,109,244,.09);
  color: var(--blue);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}
.pro-item-icon svg { width: 20px; height: 20px; }
.pro-item h3 {
  font-size: 15px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 4px;
}
.pro-item p {
  font-size: 13px;
  color: var(--sub);
  line-height: 1.6;
  margin-bottom: 14px;
}

/* --- 业务边界说明 --- */
.boundary { padding: 24px 0 56px; }
.boundary-card {
  background: linear-gradient(135deg, #F7FAFE 0%, #FFFFFF 100%);
  border: 1px solid #E5E8EF;
  border-radius: 16px;
  padding: 32px 36px;
  display: flex;
  gap: 24px;
  align-items: flex-start;
}
.boundary-icon {
  flex: none;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(51,109,244,.1);
  color: var(--blue);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.boundary-icon svg { width: 22px; height: 22px; }
.boundary-body { flex: 1; min-width: 0; }
.boundary-body h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
}
.boundary-body p {
  font-size: 14.5px;
  color: var(--sub);
  line-height: 1.75;
}
.boundary-body strong { color: var(--navy); }

/* --- products 响应式 --- */
@media (max-width: 1024px) {
  .pro-hero-title { font-size: 36px; }
  .pro-layout { grid-template-columns: 1fr; }
  .pro-hero-img { aspect-ratio: 16 / 8; }
}

@media (max-width: 900px) {
  .pro-grid { grid-template-columns: 1fr; }
  .pro-tabs { overflow-x: auto; scrollbar-width: none; }
  .pro-tabs::-webkit-scrollbar { display: none; }
  .pro-tab { padding: 12px 16px; font-size: 14px; }
  .boundary-card { flex-direction: column; align-items: stretch; }
  .boundary-card .btn { align-self: flex-start; }
}

@media (max-width: 560px) {
  .pro-hero { padding: 24px 0 32px; }
  .pro-hero-title { font-size: 28px; }
  .pro-hero-desc { font-size: 14.5px; margin-bottom: 28px; }
  .pro-content { padding: 24px 0 36px; }
  .pro-tabs { gap: 4px; }
  .pro-tab { padding: 11px 12px; font-size: 13px; }
  .pro-hero-img { aspect-ratio: 16 / 10; }
  .pro-hero-body { padding: 20px 22px 22px; }
  .pro-item { padding: 20px 18px 16px; }
  .boundary { padding: 16px 0 40px; }
  .boundary-card { padding: 26px 22px; gap: 16px; }
}

/* ==========================================================
   一站式服务页（fuwu.html）专属样式
   ========================================================== */

/* --- 面包屑 + Hero --- */
.svc-hero {
  padding: 112px 0 48px;
  background: linear-gradient(180deg, #F7FAFE 0%, #FFFFFF 100%);
}
.svc-hero-inner { max-width: 760px; }
.svc-hero-inner .badge { margin-bottom: 20px; }
.svc-hero-title {
  font-size: 42px;
  font-weight: 800;
  letter-spacing: 0.5px;
  color: var(--navy);
  line-height: 1.25;
  margin-bottom: 14px;
}
.svc-hero-desc {
  font-size: 16px;
  color: var(--sub);
  line-height: 1.75;
}

/* --- 三列服务卡 --- */
.svc-cards { padding: 0 0 72px; }
.svc-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.svc-cards-grid > * { min-width: 0; }

.svc-card {
  background: #fff;
  border: 1px solid #EEF1F7;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform .25s ease, box-shadow .25s ease;
  display: flex;
  flex-direction: column;
}
.svc-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 44px rgba(23, 31, 48, .1);
}

.svc-card-img {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #F7FAFE;
}
.svc-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .5s ease;
}
.svc-card:hover .svc-card-img img { transform: scale(1.04); }

/* 悬浮 icon 圆 */
.svc-card-icon {
  position: absolute;
  left: 20px;
  bottom: -22px;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: var(--blue);
  color: #fff;
  box-shadow: 0 10px 24px rgba(51, 109, 244, .35);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 3px solid #fff;
}
.svc-card-icon svg { width: 22px; height: 22px; }

.svc-card-body {
  padding: 34px 28px 26px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.svc-card-body h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
}
.svc-card-body > p {
  font-size: 14.5px;
  color: var(--sub);
  line-height: 1.7;
  margin-bottom: 18px;
}

/* 适用场景 */
.svc-apply {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px dashed #EEF1F7;
}
.svc-apply-label {
  display: block;
  font-size: 11px;
  letter-spacing: 1px;
  color: var(--sub);
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.svc-apply-text {
  font-size: 13.5px;
  color: var(--navy);
  font-weight: 500;
}

/* --- 四重服务保障 --- */
.svc-guarantee { padding: 24px 0 72px; }
.svc-guard-head { text-align: center; margin-bottom: 56px; }

.svc-guard-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.svc-guard-grid > * { min-width: 0; }

.svc-guard-item {
  background: #fff;
  border: 1px solid #EEF1F7;
  border-radius: 14px;
  padding: 36px 24px;
  text-align: center;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.svc-guard-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 36px rgba(23, 31, 48, .08);
  border-color: #D6E2FB;
}
.svc-guard-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(51, 109, 244, .09);
  color: var(--blue);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}
.svc-guard-icon svg { width: 24px; height: 24px; }
.svc-guard-item h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 6px;
}
.svc-guard-item > span {
  font-size: 13px;
  color: var(--sub);
  line-height: 1.6;
}

/* --- fuwu 响应式 --- */
@media (max-width: 1024px) {
  .svc-hero-title { font-size: 36px; }
  .svc-cards-grid { grid-template-columns: repeat(2, 1fr); }
  .svc-guard-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .svc-cards-grid { grid-template-columns: 1fr; }
  .svc-guard-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
}

@media (max-width: 560px) {
  .svc-hero { padding: 24px 0 40px; }
  .svc-hero-title { font-size: 28px; }
  .svc-hero-desc { font-size: 14.5px; }
  .svc-cards { padding-bottom: 56px; }
  .svc-card-body { padding: 32px 24px 22px; }
  .svc-card-icon { left: 16px; width: 44px; height: 44px; bottom: -20px; }
  .svc-card-icon svg { width: 20px; height: 20px; }
  .svc-guarantee { padding: 0 0 56px; }
  .svc-guard-head { margin-bottom: 36px; }
  .svc-guard-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .svc-guard-item { padding: 28px 16px; }
  .svc-guard-icon { width: 44px; height: 44px; margin-bottom: 12px; }
  .svc-guard-icon svg { width: 20px; height: 20px; }
}

/* ==========================================================
   品牌协同页（brand.html）专属样式
   ========================================================== */

/* --- 面包屑 + Hero --- */
.brd-hero {
  padding: 112px 0 48px;
  background: linear-gradient(180deg, #F7FAFE 0%, #FFFFFF 100%);
}
.brd-hero-inner { max-width: 820px; }
.brd-hero-inner .badge { margin-bottom: 20px; }
.brd-hero-title {
  font-size: 42px;
  font-weight: 800;
  letter-spacing: 0.5px;
  color: var(--navy);
  line-height: 1.25;
  margin-bottom: 14px;
}
.brd-hero-desc {
  font-size: 16px;
  color: var(--sub);
  line-height: 1.8;
}
.brd-hero-desc strong.brd-link {
  color: var(--navy);
  font-weight: 600;
}

/* --- 经授权使用（两列 grid） --- */
.brd-license { padding: 24px 0 72px; }
.brd-license-inner {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 48px;
  align-items: center;
}
.brd-license-inner > * { min-width: 0; }

.brd-license-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 20px;
}
.brd-license-text {
  font-size: 15px;
  color: var(--sub);
  line-height: 1.8;
  margin-bottom: 14px;
}
.brd-license-text strong { color: var(--navy); font-weight: 600; }

.brd-license-actions {
  display: flex;
  gap: 12px;
  margin-top: 24px;
  flex-wrap: wrap;
}

/* 右侧品牌卡（深蓝渐变底 + 全宽分隔线 + 白色文字，匹配图一） */
.brd-license-card {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  min-height: 340px;
  box-shadow: 0 24px 56px rgba(14, 22, 38, .22);
  display: flex;
  flex-direction: column;
  align-items: stretch;
  padding: 48px 48px 36px;
  text-align: center;
  color: #fff;
  background: #002b90;
}
.brd-license-bg {
  position: absolute;
  inset: 0;
  background: transparent;
}
.brd-license-card > *:not(.brd-license-bg) { position: relative; z-index: 1; }

/* icon 方块 + 上面的居中区域 */
.brd-license-logo-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.brd-license-logo {
  width: 80px;
  height: 80px;
  border-radius: 22px;
  background: linear-gradient(145deg, #3A76F7 0%, #1F56E6 100%);
  box-shadow: 0 10px 28px rgba(51, 109, 244, .45);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
}
.brd-license-logo svg { width: 44px; height: 44px; }

.brd-brand-name {
  font-size: 25px;
  font-weight: 800;
  letter-spacing: 0.8px;
  margin: 0 0 6px;
  color: #fff;
}
.brd-license-sub {
  font-size: 13.5px;
  color: rgba(255,255,255,.62);
  letter-spacing: 0.8px;
  margin-bottom: 28px;
}
/* 分隔线：全宽贯穿，用负 margin 抵消 card padding */
.brd-license-divider {
  display: block;
  width: auto;
  height: 1px;
  background: rgba(255,255,255,.16);
  border-radius: 0;
  margin: 0 -48px 22px;
}
.brd-license-foot {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.brd-license-meta {
  font-size: 12px;
  letter-spacing: 1.2px;
  color: rgba(255,255,255,.50);
  text-transform: none;
  margin-bottom: 6px;
  font-weight: 500;
}
.brd-license-co {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.3px;
}

/* --- 业务清单（特维思承接） --- */
.brd-engage { padding: 0 0 32px; }
.brd-engage-head { text-align: center; margin-bottom: 44px; }

.brd-engage-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px 24px;
  max-width: 820px;
  margin: 0 auto;
}
.brd-engage-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 24px;
  background: #fff;
  border: 1px solid #EEF1F7;
  border-radius: 14px;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--navy);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.brd-engage-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 32px rgba(23, 31, 48, .08);
  border-color: #D6E2FB;
}

.brd-check {
  flex: none;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(51, 109, 244, .1);
  color: var(--blue);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.brd-check svg { width: 16px; height: 16px; }

/* --- 业务边界说明（黄色提示条） --- */
.brd-boundary {
  max-width: 820px;
  margin: 36px auto 0;
  background: linear-gradient(135deg, #FFF9E6 0%, #FFFDEE 100%);
  border: 1px solid #F4E6A0;
  border-radius: 14px;
  padding: 22px 28px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
}
.brd-boundary-icon {
  flex: none;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #F4C842;
  color: #5C4A00;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.brd-boundary-icon svg { width: 18px; height: 18px; }
.brd-boundary-body strong {
  display: block;
  font-size: 14px;
  font-weight: 700;
  color: #6B5500;
  margin-bottom: 4px;
}
.brd-boundary-body p {
  font-size: 13.5px;
  color: #7A6A22;
  line-height: 1.65;
}

/* --- brand 响应式 --- */
@media (max-width: 1024px) {
  .brd-hero-title { font-size: 36px; }
  .brd-license-inner { grid-template-columns: 1fr; gap: 36px; }
  .brd-license-card { max-width: 420px; margin: 0 auto; width: 100%; }
}

@media (max-width: 900px) {
  .brd-engage-grid { grid-template-columns: 1fr; gap: 12px; max-width: 100%; }
  .brd-license-title { font-size: 24px; }
}

@media (max-width: 560px) {
  .brd-hero { padding: 24px 0 40px; }
  .brd-hero-title { font-size: 28px; }
  .brd-hero-desc { font-size: 14.5px; }
  .brd-license { padding-bottom: 48px; }
  .brd-license-title { font-size: 22px; margin-bottom: 16px; }
  .brd-license-text { font-size: 14px; }
  .brd-license-card { padding: 40px 28px 28px; min-height: 280px; }
  .brd-license-logo { width: 64px; height: 64px; border-radius: 18px; margin-bottom: 16px; }
  .brd-license-logo svg { width: 32px; height: 32px; }
  .brd-brand-name { font-size: 20px; margin-bottom: 4px; }
  .brd-license-divider { margin: 0 -28px 18px; }
  .brd-engage { padding-bottom: 24px; }
  .brd-engage-head { margin-bottom: 32px; }
  .brd-engage-item { padding: 16px 18px; font-size: 14px; gap: 12px; }
  .brd-boundary { padding: 18px 20px; gap: 12px; }
  .brd-boundary-icon { width: 32px; height: 32px; }
  .brd-boundary-icon svg { width: 16px; height: 16px; }
  .brd-license-actions .btn { flex: 1; justify-content: center; }
}

/* ==========================================================
   关于我们页（about.html）专属样式
   ========================================================== */

/* --- 面包屑 + Hero --- */
.abt-hero {
  padding: 112px 0 60px;
  background: linear-gradient(180deg, #F7FAFE 0%, #FFFFFF 100%);
}
.abt-hero-inner { max-width: 780px; }
.abt-hero-inner .badge { margin-bottom: 20px; }
.abt-hero-title {
  font-size: 42px;
  font-weight: 800;
  letter-spacing: 0.5px;
  color: var(--navy);
  line-height: 1.25;
  margin-bottom: 14px;
}
.abt-hero-desc {
  font-size: 16px;
  color: var(--sub);
  line-height: 1.75;
}

/* --- 公司简介 + 数据卡 --- */
.abt-intro { padding: 24px 0 72px; }
.abt-intro-inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 56px;
  align-items: center;
}
.abt-intro-inner > * { min-width: 0; }

.abt-intro-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 24px;
  line-height: 1.35;
}
.abt-intro-text {
  font-size: 15px;
  color: var(--sub);
  line-height: 1.8;
  margin-bottom: 14px;
}
.abt-intro-text strong { color: var(--navy); font-weight: 600; }

/* 数据卡（右侧 2×2 grid） */
.abt-intro-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.abt-stat {
  background: #fff;
  border: 1px solid #EEF1F7;
  border-radius: 14px;
  padding: 28px 24px 24px;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.abt-stat:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 40px rgba(23, 31, 48, .09);
  border-color: #D6E2FB;
}
.abt-stat-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(51, 109, 244, .09);
  color: var(--blue);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}
.abt-stat-icon svg { width: 22px; height: 22px; }
.abt-stat strong {
  display: block;
  font-size: 34px;
  font-weight: 800;
  color: var(--navy);
  letter-spacing: 0.5px;
  line-height: 1.2;
  margin-bottom: 6px;
}
.abt-stat strong em {
  font-style: normal;
  font-size: 16px;
  font-weight: 600;
  color: var(--blue);
  margin-left: 3px;
}
.abt-stat > span {
  font-size: 13px;
  color: var(--sub);
}

/* --- 企业价值观 --- */
.abt-values {
  padding: 40px 0 72px;
  background: linear-gradient(180deg, #FAFBFE 0%, #FFFFFF 100%);
}
.abt-values-head {
  text-align: center;
  margin-bottom: 48px;
}

.abt-values-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.abt-values-grid > * { min-width: 0; }

.abt-value-item {
  position: relative;
  background: #fff;
  border: 1px solid #EEF1F7;
  border-radius: 16px;
  padding: 40px 28px 32px;
  text-align: center;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.abt-value-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 44px rgba(23, 31, 48, .08);
  border-color: #D6E2FB;
}

.abt-value-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}
.abt-value-icon svg { width: 26px; height: 26px; color: #fff; }
.abt-value-icon--1 { background: linear-gradient(145deg, #336DF4, #1F56E6); }
.abt-value-icon--2 { background: linear-gradient(145deg, #0EA5B7, #0C8A99); }
.abt-value-icon--3 { background: linear-gradient(145deg, #D9A300, #B38700); }
.abt-value-icon--4 { background: linear-gradient(145deg, #7C5CF0, #5B3ED4); }

.abt-value-num {
  position: absolute;
  top: 16px;
  right: 20px;
  font-size: 28px;
  font-weight: 800;
  color: #EEF1F7;
  letter-spacing: 0.5px;
  line-height: 1;
  pointer-events: none;
}
.abt-value-item h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
}
.abt-value-item p {
  font-size: 13.5px;
  color: var(--sub);
  line-height: 1.7;
}

/* --- about 响应式 --- */
@media (max-width: 1024px) {
  .abt-hero-title { font-size: 36px; }
  .abt-intro-inner { grid-template-columns: 1fr; gap: 40px; }
  .abt-intro-stats { max-width: 520px; margin: 0 auto; }
  .abt-values-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
}

@media (max-width: 900px) {
  .abt-intro-stats { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 560px) {
  .abt-hero { padding: 24px 0 40px; }
  .abt-hero-title { font-size: 28px; }
  .abt-hero-desc { font-size: 14.5px; }
  .abt-intro { padding-bottom: 56px; }
  .abt-intro-title { font-size: 22px; margin-bottom: 18px; }
  .abt-intro-text { font-size: 14px; }
  .abt-stat { padding: 24px 20px 20px; border-radius: 12px; }
  .abt-stat-icon { width: 40px; height: 40px; border-radius: 10px; margin-bottom: 12px; }
  .abt-stat-icon svg { width: 20px; height: 20px; }
  .abt-stat strong { font-size: 28px; }
  .abt-values { padding: 24px 0 48px; }
  .abt-values-head { margin-bottom: 32px; }
  .abt-values-grid { grid-template-columns: 1fr; gap: 12px; }
  .abt-value-item { padding: 32px 24px 26px; text-align: left; display: flex; gap: 16px; align-items: flex-start; }
  .abt-value-icon { margin-bottom: 0; flex: none; }
  .abt-value-num { position: static; font-size: 20px; color: #DDE4EE; margin-left: auto; }
  .abt-value-item h3 { margin-bottom: 4px; }
  .abt-value-item p { font-size: 13px; }
}

/* ==========================================================
   产品详情页（show.html）专属样式
   ========================================================== */

/* --- 面包屑 --- */
.shw-hero {
  padding: 112px 0 32px;
}
.shw-hero .breadcrumb { margin-bottom: 0; }

/* --- 产品主图 + 信息（左右两列） --- */
.shw-gallery { padding: 0 0 72px; }
.shw-gallery-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
  background: #fff;
  border: 1px solid #EEF1F7;
  border-radius: 18px;
  padding: 32px;
  box-shadow: var(--shadow-card);
}
.shw-gallery-inner > * { min-width: 0; }

/* 左：主图容器（相对定位放标签） */
.shw-gallery-left {
  position: relative;
  background: #F7FAFE;
  border-radius: 14px;
  padding: 56px 24px 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 360px;
}
.shw-main-img {
  width: 100%;
  max-width: 420px;
  aspect-ratio: 1 / 1;
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(23, 31, 48, .06);
}
.shw-main-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* 现货/批量 标签 */
.shw-tag {
  position: absolute;
  top: 18px;
  padding: 5px 14px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
}
.shw-tag--green {
  left: 24px;
  background: rgba(16, 185, 129, .12);
  color: #059669;
}
.shw-tag--blue {
  left: 92px;
  background: rgba(51, 109, 244, .12);
  color: var(--blue);
}

/* 右：产品信息 */
.shw-gallery-right {
  padding-top: 16px;
}
.shw-cat {
  display: inline-block;
  font-size: 12.5px;
  color: var(--sub);
  margin-bottom: 10px;
}
.shw-cat a {
  color: var(--blue);
  font-weight: 600;
  text-decoration: none;
}
.shw-cat a:hover { text-decoration: underline; }

.shw-title {
  font-size: 32px;
  font-weight: 800;
  color: var(--navy);
  line-height: 1.3;
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}
.shw-desc {
  font-size: 14.5px;
  color: var(--sub);
  line-height: 1.8;
  margin-bottom: 28px;
}

/* 规格卡（产品型号 / 质量认证） */
.shw-specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 28px;
}
.shw-spec {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px;
  background: #F7FAFE;
  border-radius: 12px;
}
.shw-spec-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(51, 109, 244, .1);
  color: var(--blue);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
}
.shw-spec-icon svg { width: 20px; height: 20px; }
.shw-spec-icon--ok {
  background: rgba(16, 185, 129, .1);
  color: #059669;
}
.shw-spec small {
  display: block;
  font-size: 11.5px;
  color: var(--sub);
  margin-bottom: 3px;
  letter-spacing: 0.5px;
}
.shw-spec span {
  font-size: 14px;
  font-weight: 600;
  color: var(--navy);
}

/* 双按钮 */
.shw-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.shw-actions .btn {
  min-height: 44px;
}

/* --- 产品特点 + 技术参数 --- */
.shw-details { padding: 16px 0 80px; }
.shw-details-inner {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 28px;
}
.shw-details-inner > * { min-width: 0; }

.shw-features, .shw-specs-table {
  background: #fff;
  border: 1px solid #EEF1F7;
  border-radius: 16px;
  padding: 32px;
}

.shw-section-title {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 18px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 24px;
  letter-spacing: 0.3px;
}
.shw-bar {
  width: 4px;
  height: 18px;
  background: linear-gradient(180deg, var(--blue), #1F56E6);
  border-radius: 2px;
}

/* 产品特点列表 */
.shw-feature-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.shw-feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 14px;
  color: var(--sub);
  padding: 10px 0;
  border-bottom: 1px dashed #F0F3F9;
  line-height: 1.6;
}
.shw-feature-list li:last-child { border-bottom: none; }
.shw-feature-list svg {
  flex: none;
  width: 18px;
  height: 18px;
  color: var(--blue);
  margin-top: 1px;
}

/* 技术参数表格 */
.shw-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.shw-table th,
.shw-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid #F0F3F9;
  vertical-align: top;
}
.shw-table thead th {
  background: #F7FAFE;
  font-weight: 600;
  color: var(--navy);
  font-size: 13px;
  letter-spacing: 0.3px;
}
.shw-table tbody td:first-child {
  color: var(--navy);
  font-weight: 500;
  width: 38%;
  background: #FAFBFE;
}
.shw-table tbody td:last-child {
  color: var(--sub);
}
.shw-table tbody tr:last-child td {
  border-bottom: none;
}

/* --- 相关产品 --- */
.shw-related { padding: 24px 0 88px; }
.shw-related-title {
  font-size: 24px;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 24px;
  letter-spacing: 0.3px;
}
.shw-related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.shw-related-grid > * { min-width: 0; }

.shw-related-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 28px 24px;
  background: #fff;
  border: 1px solid #EEF1F7;
  border-radius: 14px;
  text-decoration: none;
  color: var(--navy);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.shw-related-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 36px rgba(23, 31, 48, .09);
  border-color: #D6E2FB;
}
.shw-related-card > span {
  font-size: 15px;
  font-weight: 700;
  color: var(--navy);
}
.shw-related-meta {
  display: flex;
  gap: 8px;
}
/* 相关产品卡内标签回归文档流（.shw-tag 默认 absolute 是给 hero 主图用的） */
.shw-related-card .shw-tag {
  position: static;
}
.shw-related-arrow {
  position: absolute;
  right: 20px;
  bottom: 22px;
  width: 20px;
  height: 20px;
  color: var(--sub);
  transition: color .2s ease, transform .2s ease;
}
.shw-related-card:hover .shw-related-arrow {
  color: var(--blue);
  transform: translateX(2px);
}

/* --- CTA --- */
.shw-cta { padding: 24px 0 96px; }
.shw-cta-card {
  background: linear-gradient(135deg, #336DF4 0%, #2258E2 50%, #1A47D0 100%);
  border-radius: 18px;
  padding: 56px 40px;
  text-align: center;
  color: #fff;
  box-shadow: 0 20px 48px rgba(51, 109, 244, .3);
}
.shw-cta-card h3 {
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 24px;
  letter-spacing: 0.3px;
}

/* --- show 响应式 --- */
/* 默认（≥1024px lg）：3 列 */
@media (max-width: 1024px) {
  .shw-gallery-inner { grid-template-columns: 1fr; padding: 28px; gap: 32px; }
  .shw-gallery-left { min-height: 320px; padding: 56px 20px 20px; }
  .shw-main-img { max-width: 360px; aspect-ratio: 4 / 3; }
  .shw-details-inner { grid-template-columns: 1fr; gap: 20px; }
  .shw-title { font-size: 28px; }
}

/* sm (640-1024px)：2 列 */
@media (max-width: 900px) {
  .shw-specs { grid-template-columns: 1fr 1fr; }
  .shw-related-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
}

/* 移动端（≤640px）：1 列 */
@media (max-width: 560px) {
  .shw-gallery-inner { padding: 20px; border-radius: 14px; gap: 24px; }
  .shw-gallery-left { padding: 48px 16px 16px; min-height: 260px; }
  .shw-main-img { max-width: 100%; aspect-ratio: 1 / 1; }
  .shw-tag--blue { left: 82px; }
  .shw-title { font-size: 24px; margin-bottom: 12px; }
  .shw-desc { font-size: 14px; margin-bottom: 20px; }
  .shw-specs { grid-template-columns: 1fr; gap: 10px; }
  .shw-spec { padding: 14px; }
  .shw-details { padding-bottom: 40px; }
  .shw-features, .shw-specs-table { padding: 24px 20px; }
  .shw-section-title { font-size: 16px; margin-bottom: 18px; }
  .shw-feature-list li { font-size: 13.5px; padding: 8px 0; }
  .shw-table { font-size: 13px; }
  .shw-table th, .shw-table td { padding: 10px 12px; }
  .shw-table tbody td:first-child { width: 42%; }
  .shw-related { padding-bottom: 40px; }
  .shw-related-title { font-size: 20px; margin-bottom: 18px; }
  .shw-related-grid { grid-template-columns: 1fr; gap: 12px; }
  .shw-related-card { padding: 22px 20px; }
  .shw-cta { padding-bottom: 40px; }
  .shw-cta-card { padding: 40px 24px; border-radius: 14px; }
  .shw-cta-card h3 { font-size: 20px; }
  .shw-actions .btn { flex: 1; justify-content: center; }
}

/* ==========================================================
   联系我们页（contact.html）专属样式
   ========================================================== */

/* --- 面包屑 + Hero --- */
.ct-hero {
  padding: 112px 0 20px;
  background: linear-gradient(180deg, #F7FAFE 0%, #FFFFFF 100%);
}
.ct-hero-inner { max-width: 720px; }
.ct-hero-inner .badge { margin-bottom: 20px; }
.ct-hero-title {
  font-size: 42px;
  font-weight: 800;
  letter-spacing: 0.5px;
  color: var(--navy);
  line-height: 1.25;
  margin-bottom: 14px;
}
.ct-hero-desc {
  font-size: 16px;
  color: var(--sub);
  line-height: 1.75;
}

/* --- 快速联系 4 列卡 --- */
.ct-quick { padding: 16px 0 40px; }
.ct-quick-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.ct-quick-grid > * { min-width: 0; }

.ct-quick-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 22px 22px 20px;
  background: #fff;
  border: 1px solid #EEF1F7;
  border-radius: 14px;
  text-decoration: none;
  color: inherit;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.ct-quick-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 36px rgba(23, 31, 48, .09);
  border-color: #D6E2FB;
}
.ct-quick-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}
.ct-quick-icon svg { width: 22px; height: 22px; color: #fff; }
.ct-quick-icon--phone  { background: linear-gradient(145deg, #336DF4, #1F56E6); }
.ct-quick-icon--tech   { background: linear-gradient(145deg, #0EA5B7, #0C8A99); }
.ct-quick-icon--mail   { background: linear-gradient(145deg, #D9A300, #B38700); }
.ct-quick-icon--web    { background: linear-gradient(145deg, #7C5CF0, #5B3ED4); }

.ct-quick-label {
  font-size: 12px;
  letter-spacing: 1px;
  color: var(--sub);
  text-transform: uppercase;
  margin-bottom: 6px;
}
.ct-quick-card strong {
  font-size: 17px;
  font-weight: 800;
  color: var(--navy);
  letter-spacing: 0.3px;
  margin-bottom: 4px;
  line-height: 1.25;
  word-break: break-all;
}
.ct-quick-card small {
  font-size: 12.5px;
  color: var(--sub);
}

/* --- 主区：表单 + 联系信息 --- */
.ct-main { padding: 0 0 48px; }
.ct-main-inner {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 28px;
  align-items: start;
}
.ct-main-inner > * { min-width: 0; }

/* 表单卡 */
.ct-form-card {
  background: #fff;
  border: 1px solid #EEF1F7;
  border-radius: 16px;
  padding: 36px;
  box-shadow: var(--shadow-card);
}
.ct-form-head { margin-bottom: 28px; }
.ct-form-head h2 {
  font-size: 22px;
  font-weight: 800;
  color: var(--navy);
  letter-spacing: 0.3px;
  margin-bottom: 6px;
}
.ct-form-head p {
  font-size: 14px;
  color: var(--sub);
}

/* 表单行 */
.ct-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}
.ct-form-row--single { grid-template-columns: 1fr; }
.ct-form-row > * { min-width: 0; }

.ct-field { display: block; }
.ct-field > span {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 7px;
}
.ct-field > span em { color: #E24C4C; font-style: normal; margin-left: 2px; }

.ct-field input,
.ct-field select,
.ct-field textarea {
  width: 100%;
  box-sizing: border-box;
  padding: 11px 14px;
  border: 1px solid #E4E9F2;
  border-radius: 10px;
  background: #fff;
  font: inherit;
  font-size: 14.5px;
  color: var(--navy);
  transition: border-color .2s ease, box-shadow .2s ease, background-color .2s ease;
  outline: none;
}
.ct-field input::placeholder,
.ct-field textarea::placeholder { color: #AAB2C2; }
.ct-field textarea { resize: vertical; min-height: 110px; line-height: 1.6; font-family: inherit; }
.ct-field select { appearance: none; -webkit-appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%238A95A8'><path d='M6 8l4 4 4-4'/></svg>");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 16px 16px;
  padding-right: 36px;
}
.ct-field input:hover,
.ct-field select:hover,
.ct-field textarea:hover { border-color: #D6E2FB; }
.ct-field input:focus,
.ct-field select:focus,
.ct-field textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(51, 109, 244, .14);
  background: #FBFDFF;
}
.ct-field.has-error input,
.ct-field.has-error select,
.ct-field.has-error textarea {
  border-color: #E24C4C;
  box-shadow: 0 0 0 3px rgba(226, 76, 76, .1);
}
.ct-field-err {
  display: none;
  font-size: 12px;
  color: #E24C4C;
  margin-top: 5px;
}
.ct-field.has-error .ct-field-err { display: block; }

/* 表单底部 */
.ct-form-foot {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 16px;
  flex-wrap: wrap;
}
.ct-form-note {
  font-size: 12.5px;
  color: var(--sub);
  line-height: 1.55;
}

/* 表单提交中禁用态 */
.ct-form-card.is-submitting .btn-primary {
  opacity: .7;
  pointer-events: none;
}

/* --- 右侧信息列 --- */
.ct-info-col { display: flex; flex-direction: column; gap: 16px; }

.ct-info-card {
  background: #fff;
  border: 1px solid #EEF1F7;
  border-radius: 16px;
  padding: 28px;
  box-shadow: var(--shadow-card);
}
.ct-info-card h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 14px;
}
.ct-info-card p {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 14px;
  color: var(--sub);
  line-height: 1.7;
  margin-bottom: 10px;
}
.ct-info-card p:last-child { margin-bottom: 0; }
.ct-info-card svg {
  width: 18px;
  height: 18px;
  color: var(--blue);
  margin-top: 2px;
  flex: none;
}

/* 纯 CSS 地图占位 */
.ct-map-card {
  position: relative;
  height: 260px;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid #EEF1F7;
  background: #EDF2F9;
}
.ct-map-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(140,160,190,.22) 1px, transparent 1px),
    linear-gradient(90deg, rgba(140,160,190,.22) 1px, transparent 1px);
  background-size: 34px 34px;
}
.ct-map-grid::before,
.ct-map-grid::after {
  content: "";
  position: absolute;
  height: 4px;
  border-radius: 2px;
  background: rgba(51, 109, 244, .55);
  box-shadow: 0 0 0 1px rgba(51, 109, 244, .15);
}
.ct-map-grid::before {
  top: 40%; left: 0; right: 30%;
}
.ct-map-grid::after {
  top: 58%; left: 28%; right: 0;
  background: rgba(14, 165, 183, .55);
}
.ct-map-pin {
  position: absolute;
  left: 52%;
  top: 42%;
  transform: translate(-50%, -100%);
  width: 48px;
  height: 48px;
  filter: drop-shadow(0 4px 8px rgba(31, 86, 230, .35));
}
.ct-map-label {
  position: absolute;
  left: 50%;
  bottom: 14px;
  transform: translateX(-50%);
  background: rgba(23, 31, 48, .82);
  color: #fff;
  font-size: 12.5px;
  padding: 6px 14px;
  border-radius: 20px;
  white-space: nowrap;
  letter-spacing: 0.3px;
  backdrop-filter: blur(4px);
}

/* --- 网站地图 --- */
.ct-sitemap { padding: 24px 0 56px; background: linear-gradient(180deg, #FAFBFE 0%, #FFFFFF 100%); }
.ct-sitemap-head { text-align: center; margin-bottom: 40px; }
.ct-sitemap-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.ct-sitemap-grid > * { min-width: 0; }

.ct-sitemap-col h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 2px solid #EAF0FB;
  display: inline-block;
  letter-spacing: 0.3px;
}
.ct-sitemap-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.ct-sitemap-col ul li { margin-bottom: 10px; }
.ct-sitemap-col ul li:last-child { margin-bottom: 0; }
.ct-sitemap-col ul li a {
  display: inline-block;
  font-size: 14px;
  color: var(--sub);
  text-decoration: none;
  transition: color .2s ease, padding-left .2s ease;
  position: relative;
}
.ct-sitemap-col ul li a::before {
  content: "›";
  margin-right: 6px;
  color: #C3CCDC;
  transition: color .2s ease, transform .2s ease;
  display: inline-block;
}
.ct-sitemap-col ul li a:hover { color: var(--blue); padding-left: 2px; }
.ct-sitemap-col ul li a:hover::before { color: var(--blue); transform: translateX(2px); }

/* --- Toast --- */
.toast {
  position: fixed;
  top: 80px;
  left: 50%;
  transform: translate(-50%, -16px);
  min-width: 280px;
  max-width: 92vw;
  padding: 12px 20px;
  border-radius: 12px;
  font-size: 14px;
  color: #fff;
  background: #2E3A54;
  box-shadow: 0 18px 44px rgba(23, 31, 48, .28);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity .28s ease, transform .28s ease, visibility .28s;
  z-index: 9999;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.toast svg { width: 20px; height: 20px; flex: none; }
.toast.is-show {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0);
}
.toast--success { background: #059669; }
.toast--error   { background: #D94F4F; }

/* --- contact 响应式 --- */
@media (max-width: 1024px) {
  .ct-hero-title { font-size: 36px; }
  .ct-quick-grid { grid-template-columns: repeat(2, 1fr); }
  .ct-main-inner { grid-template-columns: 1fr; }
  .ct-form-card, .ct-info-card { padding: 28px; }
  .ct-sitemap-grid { grid-template-columns: repeat(2, 1fr); gap: 28px; }
}

@media (max-width: 900px) {
  .ct-quick-card strong { font-size: 16px; }
}

@media (max-width: 560px) {
  .ct-hero { padding: 22px 0 12px; }
  .ct-hero-title { font-size: 28px; }
  .ct-hero-desc { font-size: 14.5px; }
  .ct-quick { padding-bottom: 24px; }
  .ct-quick-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .ct-quick-card { padding: 18px; border-radius: 12px; }
  .ct-quick-icon { width: 40px; height: 40px; border-radius: 10px; margin-bottom: 12px; }
  .ct-quick-icon svg { width: 18px; height: 18px; }
  .ct-quick-card strong { font-size: 15px; }

  .ct-form-card { padding: 24px 20px; border-radius: 14px; }
  .ct-form-row { grid-template-columns: 1fr; gap: 12px; margin-bottom: 14px; }
  .ct-form-head h2 { font-size: 20px; }
  .ct-info-card { padding: 22px 20px; border-radius: 14px; }
  .ct-map-card { height: 220px; border-radius: 14px; }
  .ct-map-pin { width: 40px; height: 40px; }
  .ct-map-label { font-size: 11.5px; bottom: 10px; padding: 5px 12px; }

  .ct-sitemap { padding-bottom: 40px; }
  .ct-sitemap-head { margin-bottom: 28px; }
  .ct-sitemap-grid { grid-template-columns: 1fr 1fr; gap: 20px; }
  .ct-sitemap-col h4 { font-size: 14px; margin-bottom: 12px; }
  .ct-sitemap-col ul li a { font-size: 13.5px; }
}

/* ==========================================================
   Hero 统一格子背景（全站所有页面）
   ========================================================== */
.hero,
.shw-hero,
.supply-hero,
.pro-hero,
.svc-hero,
.brd-hero,
.abt-hero,
.ct-hero {
  background-color: #FFFFFF;
  background-image:
    linear-gradient(to right, rgba(51, 109, 244, .09) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(51, 109, 244, .09) 1px, transparent 1px),
    linear-gradient(180deg, #F7FAFE 0%, #FFFFFF 100%);
  background-size: 32px 32px, 32px 32px, 100% 100%;
  background-position: -1px -1px, -1px -1px, 0 0;
  background-repeat: repeat, repeat, no-repeat;
}

