/* ================= 本物科技官网共享样式 ================= */
:root {
  --deep-blue: #0C447C;
  --source-green: #0F6E56;
  --tech-blue: #185FA5;
  --bright-blue: #378ADD;
  --mint-green: #5DCAA5;
  --charcoal: #333333;
  --text-gray: #555555;
  --light-gray: #f5f7f9;
  --white: #ffffff;
  --shadow-soft: 0 10px 40px rgba(12, 68, 124, 0.12);
  --shadow-card: 0 12px 32px rgba(12, 68, 124, 0.10);
  --shadow-perspective: 12px 12px 0 rgba(24, 95, 165, 0.08);
  --font-family: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-family);
  color: var(--charcoal);
  line-height: 1.7;
  background: var(--white);
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }
img { max-width: 100%; height: auto; display: block; }
.container { width: 100%; max-width: 1280px; margin: 0 auto; padding: 0 24px; }

/* ================= 颜色工具 ================= */
.c-blue { color: var(--deep-blue); }
.c-green { color: var(--source-green); }
.c-tech { color: var(--tech-blue); }
.c-bright { color: var(--bright-blue); }
.bg-light { background: var(--light-gray); }
.bg-white { background: var(--white); }

/* ================= 固定顶部导航 ================= */
.header {
  position: fixed;
  top: 0; left: 0; width: 100%;
  height: 72px;
  background: rgba(255,255,255,0.96);
  backdrop-filter: saturate(180%) blur(12px);
  box-shadow: 0 2px 20px rgba(12,68,124,0.08);
  z-index: 1000;
  transition: all 0.35s ease;
}
/* 首页透明导航：深色视频背景上用白色Logo/文字 */
.header.header-transparent {
  background: transparent;
  backdrop-filter: none;
  box-shadow: none;
}
.header.header-transparent .logo-img {
  /* 使用纯白Logo图片，无需滤镜 */
}
.header.header-transparent .nav-link {
  color: rgba(255,255,255,0.95);
}
.header.header-transparent .nav-link:hover,
.header.header-transparent .nav-item:hover .nav-link {
  color: var(--mint-green);
}
.header.header-transparent .mobile-menu-btn span {
  background: var(--white);
}
/* 悬停时导航栏变白、Logo变彩色 */
.header.header-transparent:hover,
.header.header-transparent.nav-hover {
  background: rgba(255,255,255,0.98);
  box-shadow: 0 2px 20px rgba(12,68,124,0.08);
}
.header.header-transparent:hover .logo-img,
.header.header-transparent.nav-hover .logo-img {
  filter: none; /* 恢复彩色Logo */
}
.header.header-transparent:hover .nav-link,
.header.header-transparent.nav-hover .nav-link {
  color: var(--charcoal);
}
.header.header-transparent:hover .nav-link:hover,
.header.header-transparent:hover .nav-item:hover .nav-link,
.header.header-transparent.nav-hover .nav-link:hover,
.header.header-transparent.nav-hover .nav-item:hover .nav-link {
  color: var(--deep-blue);
}
.header.header-transparent:hover .mobile-menu-btn span,
.header.header-transparent.nav-hover .mobile-menu-btn span {
  background: var(--deep-blue);
}

.header .container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-left: 0;
  padding-right: 0;
}
.logo {
  display: flex;
  align-items: center;
  gap: 0;
  font-weight: 700;
  font-size: 20px;
  color: var(--deep-blue);
}
.logo-img {
  height: 38px;
  width: auto;
  display: block;
  transition: filter 0.35s ease;
}
/* 导航标题整体居中 + 滑动色块（参考金地智慧服务） */
.nav {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1;
  position: relative;
}
.nav-item { position: relative; z-index: 1; }
.nav-slider {
  position: absolute;
  top: 0; left: 0;
  height: 100%;
  width: 0;
  background: var(--deep-blue);
  opacity: 0;
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1),
              width 0.35s cubic-bezier(0.4, 0, 0.2, 1),
              opacity 0.25s ease;
  pointer-events: none;
}
.nav-item.slider-on .nav-link { color: var(--white) !important; }
.header-hotline {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  color: #000;
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
  z-index: 1;
}
.header-transparent .header-hotline {
  color: var(--white);
}
.header-transparent:hover .header-hotline,
.header-transparent.nav-hover .header-hotline {
  color: #000;
}
.nav-link {
  display: block;
  padding: 24px 34px;
  font-size: 15px;
  color: var(--charcoal);
  font-weight: 500;
  transition: color 0.25s;
}
.nav-link:hover, .nav-item:hover .nav-link { color: var(--deep-blue); }
.dropdown {
  position: absolute;
  top: 100%; left: 50%;
  transform: translateX(-50%) translateY(10px);
  min-width: 180px;
  background: rgba(255,255,255,0.98);
  border-radius: 10px;
  box-shadow: var(--shadow-soft);
  padding: 10px 0;
  opacity: 0; visibility: hidden;
  transition: all 0.25s ease;
  border: 1px solid rgba(12,68,124,0.08);
}
.nav-item:hover .dropdown {
  opacity: 1; visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.dropdown-link {
  display: block;
  padding: 11px 22px;
  font-size: 14px;
  color: var(--text-gray);
  white-space: nowrap;
  transition: all 0.2s;
}
.dropdown-link:hover {
  background: rgba(24,95,165,0.06);
  color: var(--deep-blue);
  padding-left: 26px;
}
.mobile-menu-btn {
  display: none;
  width: 44px; height: 44px;
  border: none; background: transparent;
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
}
.mobile-menu-btn span {
  display: block;
  width: 24px; height: 2px;
  background: var(--deep-blue);
  transition: all 0.3s;
}
.mobile-nav {
  position: fixed;
  top: 72px; right: -100%;
  width: 80%; max-width: 320px;
  height: calc(100vh - 72px);
  background: rgba(255,255,255,0.98);
  backdrop-filter: blur(10px);
  box-shadow: -10px 0 40px rgba(12,68,124,0.12);
  padding: 24px;
  transition: right 0.35s ease;
  z-index: 999;
  overflow-y: auto;
}
.mobile-nav.open { right: 0; }
.mobile-nav-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 56px;
  margin-bottom: 0;
  border-bottom: 1px solid rgba(12,68,124,0.08);
}
.mobile-nav-link {
  display: flex;
  align-items: center;
  min-height: 64px;
  padding: 18px 0;
  font-size: 16px;
  line-height: 24px;
  font-weight: 600;
  color: var(--deep-blue);
}
.mobile-nav-link:only-child { grid-column: 1 / -1; }
.mobile-sub {
  grid-column: 1 / -1;
  padding-left: 16px;
  display: none;
}
.mobile-sub.show { display: block; }
.mobile-sub a {
  display: block;
  padding: 10px 0;
  font-size: 14px;
  color: var(--text-gray);
}
.mobile-toggle {
  position: relative;
  grid-column: 2;
  grid-row: 1;
  align-self: center;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  appearance: none;
  -webkit-appearance: none;
  -webkit-tap-highlight-color: transparent;
  color: var(--deep-blue);
  cursor: pointer;
  touch-action: manipulation;
}
.mobile-toggle::before,
.mobile-toggle::after {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  background: currentColor;
  border-radius: 1px;
  transform: translate(-50%, -50%);
  pointer-events: none;
}
.mobile-toggle::before { width: 18px; height: 1.5px; }
.mobile-toggle::after {
  width: 1.5px;
  height: 18px;
  transition: opacity 0.15s ease;
}
.mobile-toggle[aria-expanded="true"]::after {
  opacity: 0;
}
.mobile-toggle:focus-visible {
  outline: 2px solid var(--bright-blue);
  outline-offset: -3px;
}

/* ================= 页眉大图 ================= */
.page-header {
  position: relative;
  width: 100%;
  height: 420px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--white);
  overflow: hidden;
  margin-top: 72px;
}
.page-header-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}
.page-header-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(12,68,124,0.72), rgba(15,110,86,0.62));
}
.page-header-content { position: relative; z-index: 2; }
.page-header h1 {
  font-size: 48px;
  font-weight: 700;
  letter-spacing: 4px;
  margin-bottom: 12px;
}
.page-header p {
  font-size: 20px;
  letter-spacing: 2px;
  opacity: 0.95;
}

/* ================= 版块标题 ================= */
.section-header { text-align: center; margin-bottom: 56px; }
.section-label {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--bright-blue);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.section-title {
  font-size: 34px;
  font-weight: 700;
  color: var(--deep-blue);
  margin-bottom: 12px;
}
.section-subtitle {
  font-size: 16px;
  color: var(--text-gray);
  max-width: 640px;
  margin: 0 auto;
}

/* ================= 按钮 ================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s;
  border: none;
}
.btn-primary {
  background: var(--deep-blue);
  color: var(--white);
}
.btn-primary:hover {
  background: var(--tech-blue);
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}
.btn-outline {
  background: transparent;
  color: var(--deep-blue);
  border: 1.5px solid var(--deep-blue);
}
.btn-outline:hover {
  background: var(--deep-blue);
  color: var(--white);
}

/* ================= 卡片 ================= */
.card {
  background: var(--white);
  border-radius: 14px;
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: all 0.3s ease;
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-soft);
}

/* ================= 表单 ================= */
.form-group { margin-bottom: 20px; }
.form-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--charcoal);
  margin-bottom: 8px;
}
.form-input, .form-textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid #dde3ea;
  border-radius: 8px;
  font-size: 14px;
  font-family: inherit;
  transition: border-color 0.2s;
}
.form-input:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--bright-blue);
}
.form-textarea { min-height: 110px; resize: vertical; }
.checkbox-group {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.checkbox-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--text-gray);
  cursor: pointer;
}
.checkbox-item input { accent-color: var(--deep-blue); }

/* ================= 侧边导航轴 ================= */
.side-axis {
  position: fixed;
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 800;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.side-axis-item {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  transition: all 0.25s;
}
.side-axis-item:hover .side-axis-dot,
.side-axis-item.active .side-axis-dot {
  background: var(--bright-blue);
  box-shadow: 0 0 0 6px rgba(55,138,221,0.18);
}
.side-axis-item:hover .side-axis-text,
.side-axis-item.active .side-axis-text {
  color: var(--deep-blue);
  transform: scale(1.05);
}
.side-axis-text {
  font-size: 13px;
  color: var(--text-gray);
  transition: all 0.25s;
  white-space: nowrap;
}
.side-axis-line {
  width: 2px; height: 18px;
  background: rgba(12,68,124,0.15);
  margin-left: 5px;
}
.side-axis-dot {
  width: 12px; height: 12px;
  border-radius: 50%;
  background: rgba(12,68,124,0.25);
  transition: all 0.25s;
}
.side-axis-icon {
  width: 22px; height: 22px;
  display: grid; place-items: center;
}

/* ================= 页脚 ================= */
.footer {
  background: #082d52;
  color: rgba(255,255,255,0.8);
  padding: 52px 0 22px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr 1fr;
  gap: 30px;
  margin-bottom: 34px;
}
.footer-brand .logo { color: var(--white); margin-bottom: 16px; }
.footer-brand .logo-img { filter: brightness(0) invert(1); height: 42px; }
.footer-brand p { font-size: 14px; line-height: 1.8; opacity: 0.85; }
.footer-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
}
.footer-links li { margin-bottom: 10px; }
.footer-links a {
  font-size: 14px;
  opacity: 0.85;
  transition: opacity 0.2s;
}
.footer-links a:hover { opacity: 1; color: var(--mint-green); }
.footer-contact p {
  font-size: 14px;
  margin-bottom: 10px;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  opacity: 0.7;
}
.footer-bottom a { color: inherit; }
.footer-bottom a:hover { color: var(--mint-green); }
.footer-bottom a:focus-visible { outline: 2px solid var(--mint-green); outline-offset: 3px; }

/* 页脚二维码 */
.footer-qr {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 18px;
}
.qr-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.qr-item img {
  width: 84px;
  height: 84px;
  object-fit: contain;
  background: #fff;
  border-radius: 8px;
  padding: 4px;
  box-shadow: 0 4px 14px rgba(0,0,0,0.12);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.qr-item img:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 22px rgba(0,0,0,0.2);
}
.qr-item span {
  font-size: 12px;
  color: rgba(255,255,255,0.75);
  white-space: nowrap;
}

/* ================= 响应式 ================= */
@media (max-width: 1024px) {
  .desktop-nav { display: none; }
  .mobile-menu-btn { display: flex; }
  .side-axis { display: none; }
  .page-header { height: 340px; }
  .page-header h1 { font-size: 38px; }
  .footer { padding: 46px 0 20px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px 28px; margin-bottom: 28px; }
}
@media (max-width: 768px) {
  .container { padding: 0 18px; }
  .page-header { height: 280px; margin-top: 64px; }
  .page-header h1 { font-size: 32px; }
  .page-header p { font-size: 15px; }
  .section-title { font-size: 26px; }
  /* 页脚：保持两列排布，压缩留白，避免整块过高 */
  .footer { padding: 38px 0 18px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px 16px; margin-bottom: 22px; }
  .footer-grid > * { min-width: 0; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-brand .logo-img { height: 34px; }
  .footer-brand p { font-size: 13px; line-height: 1.7; }
  .footer-title { font-size: 15px; margin-bottom: 13px; }
  .footer-links li { margin-bottom: 9px; }
  .footer-links a { font-size: 13px; }
  .footer-contact p { font-size: 12.5px; margin-bottom: 8px; gap: 6px; overflow-wrap: anywhere; }
  .footer-qr { gap: 10px; margin-top: 14px; }
  .footer-bottom { flex-direction: column; text-align: center; padding-top: 16px; gap: 6px; }
  .qr-item img { width: 66px; height: 66px; }
  .qr-item span { font-size: 11px; }
}

/* CMS fields and QR preview */
.cms-fields { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; margin-bottom: 22px; }
.cms-fields-single { grid-template-columns: minmax(0, 1fr); }
.cms-field-wide { grid-column: 1 / -1; }
.cms-field > label { display: block; margin-bottom: 8px; font-size: 14px; font-weight: 500; }
.cms-required { color: #c73535; }
.cms-field .form-input, .cms-field .form-textarea { width: 100%; box-sizing: border-box; }
.cms-options { display: flex; flex-wrap: wrap; gap: 8px 20px; }
.cms-options label { display: flex; align-items: center; gap: 7px; min-height: 44px; cursor: pointer; font-size: 14px; }
.cms-options input { width: 18px; height: 18px; accent-color: #0c447c; }
.cms-captcha { display: block; cursor: pointer; margin-top: 8px; }
.footer-qr [data-qr-image] { cursor: zoom-in; }
.footer-qr [data-qr-image]:focus-visible { outline: 3px solid #0c447c; outline-offset: 4px; }
.qr-dialog[hidden], .qr-item[hidden] { display: none !important; }
.qr-dialog { position: fixed; inset: 0; z-index: 10000; background: rgba(0, 20, 40, .7); display: flex; align-items: center; justify-content: center; padding: 16px; }
.qr-dialog-card { position: relative; box-sizing: border-box; width: min(460px, 100%); max-height: 95dvh; overflow: auto; background: white; border-radius: 16px; padding: 48px 24px 24px; text-align: center; color: #18394c; }
.qr-dialog-card > img { display: block; width: 100%; max-height: 60vh; object-fit: contain; margin: 16px auto; background: white; -webkit-touch-callout: default; user-select: auto; }
.qr-dialog-card p { font-size: 14px; margin-bottom: 16px; }
.qr-dialog-close { position: absolute; top: 4px; right: 4px; width: 44px; height: 44px; border: 0; background: transparent; color: #18394c; font-size: 30px; cursor: pointer; }
@media (max-width: 640px) { .cms-fields { grid-template-columns: minmax(0, 1fr); } }