.site-shell-container {
  width: min(1200px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: linear-gradient(90deg, #000000 0%, #161616 50%, #000000 100%);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
}

body[data-page] {
  padding-top: 82px;
}

.site-header-inner {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.site-brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}

.site-brand img {
  height: 44px;
  width: auto;
  border-radius: 9px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 30px;
  flex: 1;
  justify-content: center;
}

.site-nav a {
  color: rgba(255, 255, 255, 0.88);
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
  line-height: 1.2;
}

.site-nav a:hover {
  color: #ffffff;
}

.site-header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.site-btn {
  border: none;
  border-radius: 999px;
  padding: 12px 22px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.2;
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: inherit;
}

.site-btn-primary {
  background: #e74565;
  color: #fff;
  box-shadow: 0 4px 15px rgba(254, 44, 85, 0.3);
}

.site-btn-primary:hover {
  background: #ff2a51;
  transform: translateY(-2px);
}

.site-btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(8px);
}

.site-btn-secondary:hover {
  background: rgba(254, 44, 85, 0.12);
  border-color: rgba(254, 44, 85, 0.55);
  transform: translateY(-2px);
}

.site-page-wrap {
  padding: 32px 0 56px;
}

.site-page-hero {
  width: min(1200px, calc(100% - 40px));
  margin: 0 auto 28px;
  padding: 28px 30px;
  border-radius: 24px;
  background: linear-gradient(135deg, #f8f9ff 0%, #fff4f7 100%);
  border: 1px solid rgba(92, 127, 195, 0.08);
}

.site-page-hero h1 {
  margin: 0 0 12px;
  font-size: 38px;
  line-height: 1.2;
  color: #141b2d;
}

.site-page-hero p {
  margin: 0;
  max-width: 780px;
  font-size: 17px;
  color: #5b6478;
  line-height: 1.8;
}

.site-footer {
  background: #000;
  color: #fff;
  margin-top: 40px;
  padding: 52px 0 22px;
}

.site-footer-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 34px;
}

.site-footer h3 {
  margin: 0 0 18px;
  color: #4a67ff;
  font-size: 20px;
}

.site-footer p,
.site-footer li,
.site-footer a {
  color: #d6d6d6;
  font-size: 14px;
  line-height: 1.8;
  text-decoration: none;
}

.site-footer a:hover {
  color: #ffffff;
}

.site-footer ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-footer-qrcode img {
  width: 134px;
  max-width: 100%;
  border-radius: 8px;
  background: #fff;
  padding: 8px;
}

.site-footer-bottom {
  margin-top: 34px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  color: #a8a8a8;
  font-size: 14px;
}

.site-footer-bottom a {
  color: #a8a8a8;
}

.site-footer-links {
  margin-top: 10px;
}

.site-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.56);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1200;
  padding: 20px;
}

.site-modal-content {
  width: min(920px, 100%);
  max-height: 90vh;
  overflow: auto;
  background: #fff;
  border-radius: 20px;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.24);
}

.site-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 28px;
  border-bottom: 1px solid #ececec;
}

.site-modal-header h3 {
  margin: 0;
  font-size: 24px;
  color: #20263a;
}

.site-modal-close {
  border: none;
  background: none;
  color: #9ca3af;
  font-size: 28px;
  cursor: pointer;
}

.site-plugin-title-alert {
  width: 100%;
  padding: 12px 16px;
  border-radius: 12px;
  background: linear-gradient(135deg, #ffe8ee, #fff2f5);
  border: 1px solid rgba(254, 44, 85, 0.3);
  color: #cf204b !important;
  font-size: 22px !important;
  font-weight: 800 !important;
  line-height: 1.5;
  text-align: center;
  box-shadow: 0 10px 24px rgba(254, 44, 85, 0.1);
}

.site-modal-body {
  padding: 18px 20px 10px;
}

.site-browser-plugins h4,
.site-customer-service h4 {
  margin: 0 0 10px;
  color: #20263a;
  font-size: 20px;
}

.site-plugin-subtitle {
  margin: 0 0 22px;
  color: #626c82;
  font-size: 14px;
}

.site-browser-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 18px;
  margin-bottom: 34px;
}

.site-browser-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 132px;
  padding: 18px 14px;
  border-radius: 14px;
  border: 1px solid #e8ebf2;
  background: #fff;
  text-decoration: none;
  transition: all 0.3s ease;
}

.site-browser-item:hover {
  transform: translateY(-4px);
  border-color: rgba(254, 44, 85, 0.35);
  box-shadow: 0 12px 28px rgba(254, 44, 85, 0.12);
}

.site-browser-icon {
  width: 58px;
  height: 58px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
}

.site-browser-icon img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.site-browser-name {
  color: #2a3553;
  font-size: 15px;
  font-weight: 600;
  text-align: center;
}

.site-customer-service {
  border-top: 1px solid #ececec;
  padding-top: 18px;
}

.site-qr-section {
  display: flex;
  gap: 28px;
  align-items: center;
}

.site-qr-box {
  flex-shrink: 0;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(20, 27, 45, 0.08);
  padding: 10px;
}

.site-qr-box img {
  width: 160px;
  height: 160px;
  object-fit: cover;
}

.site-service-tips {
  display: grid;
  gap: 10px;
}

.site-tip-item {
  color: #4f5970;
  font-size: 15px;
}

.site-contact-highlight {
  margin-bottom: 24px;
  padding: 18px 20px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(254, 44, 85, 0.12), rgba(92, 127, 195, 0.12));
  border: 2px solid rgba(254, 44, 85, 0.2);
  text-align: center;
}

.site-contact-highlight-label {
  margin: 0 0 8px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 2px;
  color: #a63a56;
}

.site-contact-highlight-text {
  margin: 0;
  font-size: 24px;
  line-height: 1.5;
  font-weight: 800;
  color: #c81f4a;
}

.site-contact-card {
  max-width: 280px;
  margin: 0 auto;
  text-align: center;
  padding: 20px;
  border: 1px solid #ececec;
  border-radius: 14px;
}

.site-contact-card i {
  font-size: 32px;
  color: #fe2c55;
}

.site-contact-card h4 {
  margin: 12px 0 8px;
  font-size: 20px;
  color: #20263a;
}

.site-contact-card p {
  margin: 0 0 12px;
  color: #636d82;
  font-size: 14px;
}

.site-contact-card .site-qr-box {
  display: inline-block;
}

.site-contact-tip {
  margin-top: 18px;
  background: #f8f9fa;
  border-radius: 10px;
  padding: 14px 16px;
  text-align: center;
  color: #5b6478;
  font-size: 14px;
}

.site-back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #5c7fc3, #e73873);
  color: #fff;
  box-shadow: 0 4px 15px rgba(254, 44, 85, 0.3);
  opacity: 0;
  visibility: hidden;
  cursor: pointer;
  transition: all 0.3s ease;
  z-index: 1100;
}

.site-back-to-top.show {
  opacity: 1;
  visibility: visible;
}

@media (max-width: 992px) {
  .site-header-inner {
    flex-wrap: wrap;
    justify-content: center;
    padding: 16px 0;
  }

  .site-nav {
    order: 3;
    width: 100%;
    flex-wrap: wrap;
    gap: 16px;
  }

  .site-footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  .site-page-wrap {
    padding: 22px 0 44px;
  }

  .site-page-hero {
    padding: 22px 20px;
    border-radius: 18px;
  }

  .site-page-hero h1 {
    font-size: 30px;
  }

  .site-page-hero p {
    font-size: 15px;
  }

  .site-header-actions {
    width: 100%;
    justify-content: center;
    flex-wrap: wrap;
  }

  .site-btn {
    min-width: 170px;
  }

  .site-footer-grid {
    grid-template-columns: 1fr;
  }

  .site-browser-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .site-qr-section {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-contact-highlight-text {
    font-size: 20px;
  }
}