/* ============================================================
   {{COMPANY_NAME}} — Industrial B2B site theme
   Built on Bootstrap 5. Original CSS — not copied from any source.
   ============================================================ */

:root {
  --color-primary: #003366;       /* dark blue header / nav */
  --color-primary-2: #00467f;
  --color-accent:  #ffcc00;       /* yellow accent */
  --color-accent-2: #e6b800;
  --color-text:    #333;
  --color-muted:   #6c757d;
  --color-bg:      #ffffff;
  --color-bg-alt:  #f6f7f9;
  --color-border:  #e5e7eb;
  --shadow-card:   0 2px 10px rgba(0, 51, 102, .08);
  --shadow-hover:  0 6px 22px rgba(0, 51, 102, .16);
  --transition:    .25s ease;
  --container-max: 1240px;
  --font-base:     Arial, Helvetica, '微软雅黑', 'Microsoft YaHei', sans-serif;
}

/* ---------- base ---------- */
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-base);
  font-size: 14px;
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-accent); }
img { max-width: 100%; height: auto; display: block; }
.container, .container-fluid {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: 16px;
  padding-right: 16px;
}

/* ---------- top bar ---------- */
.topbar {
  background: var(--color-primary);
  color: rgba(255,255,255,.78);
  font-size: 12px;
  padding: 6px 0;
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.topbar a { color: rgba(255,255,255,.78); }
.topbar a:hover { color: var(--color-accent); }
.topbar .tb-left, .topbar .tb-right { display: flex; gap: 18px; align-items: center; }
.topbar .tb-right { justify-content: flex-end; }
.topbar .lang-switch {
  position: relative;
  cursor: pointer;
  padding: 0 8px;
}
.topbar .lang-switch .current { display: inline-flex; align-items: center; gap: 4px; }
.topbar .lang-switch .dropdown {
  position: absolute;
  top: 100%; right: 0;
  background: #fff;
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 6px 0;
  min-width: 120px;
  box-shadow: var(--shadow-card);
  display: none;
  z-index: 1100;
}
.topbar .lang-switch.open .dropdown { display: block; }
.topbar .lang-switch .dropdown a {
  display: block;
  color: var(--color-text);
  padding: 6px 14px;
  font-size: 13px;
}
.topbar .lang-switch .dropdown a:hover {
  background: var(--color-bg-alt);
  color: var(--color-accent);
}
.topbar .socials { display: flex; gap: 10px; }
.topbar .socials a { font-size: 14px; }

/* ---------- header ---------- */
.site-header {
  background: #fff;
  padding: 18px 0;
  border-bottom: 1px solid var(--color-border);
}
.site-header .row-flex {
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px;
}
.site-header .logo {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: .3px;
  display: flex; align-items: center; gap: 10px;
}
.site-header .logo .logo-mark {
  width: 44px; height: 44px;
  background: var(--color-accent);
  color: var(--color-primary);
  border-radius: 4px;
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 22px;
}
.site-header .search-form {
  flex: 1;
  max-width: 480px;
  display: flex;
  border: 2px solid var(--color-accent);
  border-radius: 6px;
  overflow: hidden;
}
.site-header .search-form input {
  flex: 1; border: 0; padding: 9px 14px;
  font-size: 14px; outline: none;
}
.site-header .search-form button {
  background: var(--color-accent);
  border: 0;
  color: var(--color-primary);
  padding: 0 18px;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition);
}
.site-header .search-form button:hover { background: var(--color-accent-2); }
.site-header .header-cta {
  display: flex; gap: 10px; align-items: center;
}
.site-header .header-cta .cta-phone { color: var(--color-primary); font-weight: 600; }

/* ---------- main nav ---------- */
.site-nav {
  background: var(--color-primary);
  position: sticky; top: 0; z-index: 1000;
  box-shadow: 0 2px 8px rgba(0,0,0,.08);
}
.site-nav .nav-inner {
  display: flex; align-items: center; justify-content: space-between;
}
.site-nav ul.menu {
  list-style: none; margin: 0; padding: 0;
  display: flex;
}
.site-nav ul.menu > li {
  position: relative;
}
.site-nav ul.menu > li > a {
  display: block;
  color: #fff;
  padding: 14px 22px;
  font-weight: 500;
  font-size: 14px;
  letter-spacing: .3px;
  border-bottom: 3px solid transparent;
  transition: all var(--transition);
}
.site-nav ul.menu > li > a:hover,
.site-nav ul.menu > li.active > a {
  background: var(--color-primary-2);
  border-bottom-color: var(--color-accent);
  color: var(--color-accent);
}
.site-nav ul.menu .dropdown {
  position: absolute;
  top: 100%; left: 0;
  background: #fff;
  min-width: 260px;
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-accent);
  box-shadow: var(--shadow-card);
  list-style: none; margin: 0; padding: 8px 0;
  opacity: 0; visibility: hidden;
  transform: translateY(8px);
  transition: opacity .2s, transform .2s, visibility .2s;
  z-index: 1010;
}
.site-nav ul.menu > li:hover .dropdown {
  opacity: 1; visibility: visible; transform: translateY(0);
}
.site-nav ul.menu .dropdown li a {
  display: block;
  padding: 10px 18px;
  color: var(--color-text);
  font-size: 14px;
  border-left: 3px solid transparent;
  transition: all var(--transition);
}
.site-nav ul.menu .dropdown li a:hover {
  background: var(--color-bg-alt);
  border-left-color: var(--color-accent);
  color: var(--color-accent-2);
  padding-left: 22px;
}
.nav-toggle {
  display: none;
  background: transparent; border: 0; color: #fff;
  font-size: 22px; padding: 12px;
  cursor: pointer;
}

/* ---------- hero / carousel ---------- */
.hero {
  position: relative;
  overflow: hidden;
}
.hero .carousel-item {
  height: 600px;
  background-size: cover;
  background-position: center;
  position: relative;
}
.hero .carousel-item::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(20,30,60,.55) 0%, rgba(20,30,60,.15) 60%, rgba(20,30,60,0) 100%);
}
.hero .hero-caption {
  position: absolute;
  left: 0; right: 0; top: 50%;
  transform: translateY(-50%);
  z-index: 2;
}
.hero .hero-caption h1 {
  color: #fff;
  font-size: 44px;
  font-weight: 800;
  line-height: 1.15;
  margin: 0 0 14px;
  text-shadow: 0 2px 12px rgba(0,0,0,.35);
}
.hero .hero-caption p {
  color: rgba(255,255,255,.92);
  font-size: 18px;
  max-width: 580px;
  margin: 0 0 24px;
}
.hero .hero-caption .btn-group-cta { display: flex; gap: 12px; flex-wrap: wrap; }

/* Banner placeholder (no image yet) */
.banner-placeholder {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 18px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-2) 60%, var(--color-accent) 200%);
}
.banner-placeholder small {
  display: block; font-size: 13px; opacity: .8; margin-top: 6px;
}

/* ---------- buttons ---------- */
.btn-yusheng,
.btn-yusheng-outline {
  display: inline-block;
  padding: 11px 26px;
  border-radius: 4px;
  font-weight: 600;
  font-size: 14px;
  letter-spacing: .3px;
  text-align: center;
  cursor: pointer;
  border: 2px solid var(--color-accent);
  transition: all var(--transition);
}
.btn-yusheng {
  background: var(--color-accent); color: var(--color-primary);
}
.btn-yusheng:hover {
  background: var(--color-accent-2); color: var(--color-primary);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(244, 180, 0, .35);
}
.btn-yusheng-outline {
  background: transparent; color: #fff;
}
.btn-yusheng-outline:hover {
  background: var(--color-accent); color: var(--color-primary);
}

/* ---------- sections ---------- */
section { padding: 64px 0; }
section.section-alt { background: var(--color-bg-alt); }
.section-title {
  text-align: center; margin-bottom: 40px;
}
.section-title h2 {
  font-size: 30px; font-weight: 700; color: var(--color-primary);
  margin: 0 0 12px; position: relative; display: inline-block;
}
.section-title h2::after {
  content: ""; display: block; width: 60px; height: 3px;
  background: var(--color-accent); margin: 12px auto 0;
}
.section-title p {
  color: var(--color-muted); font-size: 15px; margin: 0;
}

/* ---------- category showcase tiles ---------- */
.cat-grid {
  display: grid; gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}
.cat-tile {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  aspect-ratio: 1 / 1;
  box-shadow: var(--shadow-card);
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition);
  background: var(--color-bg-alt);
}
.cat-tile:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.cat-tile .cat-img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .4s ease;
}
.cat-tile:hover .cat-img { transform: scale(1.06); }
.cat-tile .cat-mask {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 24px;
  background: linear-gradient(0deg, rgba(20,30,60,.78) 0%, rgba(20,30,60,0) 60%);
  color: #fff;
}
.cat-tile .cat-mask h3 { margin: 0 0 6px; font-size: 18px; font-weight: 700; }
.cat-tile .cat-mask p  { margin: 0; font-size: 13px; opacity: .9; }

/* ---------- product grid ---------- */
.product-grid {
  display: grid; gap: 22px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}
.product-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  overflow: hidden;
  display: flex; flex-direction: column;
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.product-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 10px 28px rgba(0, 51, 102, .18);
  transform: translateY(-4px);
}
.product-card .pc-img {
  aspect-ratio: 4 / 3;
  background: var(--color-bg-alt);
  position: relative; overflow: hidden;
}
.product-card .pc-img img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .4s ease;
}
.product-card:hover .pc-img img { transform: scale(1.05); }
.product-card .pc-body { padding: 14px; }
.product-card .pc-body h3 {
  font-size: 15px; font-weight: 600; color: var(--color-primary);
  margin: 0 0 10px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden; min-height: 42px;
}
.product-card .pc-body .pc-actions {
  display: flex; gap: 8px;
}
.product-card .pc-body .pc-actions .btn-sm {
  flex: 1; padding: 7px 0; font-size: 13px;
  border-radius: 4px; text-align: center; cursor: pointer;
  border: 1px solid var(--color-accent);
  background: #fff; color: var(--color-accent-2); font-weight: 600;
  transition: all var(--transition);
}
.product-card .pc-body .pc-actions .btn-sm:hover {
  background: var(--color-accent); color: var(--color-primary);
}
.product-card .pc-body .pc-actions .btn-sm.primary {
  background: var(--color-accent); color: var(--color-primary);
}
.product-card .pc-body .pc-actions .btn-sm.primary:hover {
  background: var(--color-accent-2);
}

/* product image placeholder */
.img-placeholder {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  flex-direction: column;
  color: rgba(20,30,60,.55);
  background: repeating-linear-gradient(45deg, #eef0f5 0 12px, #f6f7f9 12px 24px);
  font-size: 13px; text-align: center; padding: 8px;
}
.img-placeholder strong { display: block; color: var(--color-primary); margin-bottom: 4px; }

/* ---------- about preview ---------- */
.about-preview {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 40px; align-items: center;
}
.about-preview .ap-text h2 {
  font-size: 28px; color: var(--color-primary); font-weight: 700; margin: 0 0 18px;
  position: relative; padding-bottom: 12px;
}
.about-preview .ap-text h2::after {
  content: ""; position: absolute; left: 0; bottom: 0;
  width: 50px; height: 3px; background: var(--color-accent);
}
.about-preview .ap-text p { color: var(--color-muted); margin: 0 0 18px; }
.about-preview .ap-stats {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 24px 0;
}
.about-preview .ap-stats .stat .val {
  font-size: 30px; font-weight: 800; color: var(--color-accent);
}
.about-preview .ap-stats .stat .lbl {
  font-size: 13px; color: var(--color-muted);
}
.about-preview .ap-image {
  aspect-ratio: 4 / 3;
  border-radius: 8px; overflow: hidden;
  box-shadow: var(--shadow-card);
  background: var(--color-bg-alt);
}

/* ---------- 360° Virtual Tour (full-width section) ---------- */
.panorama-section {
  background: #001f3f;
  padding: 0 !important;
  position: relative;
}
.panorama-header {
  background: var(--color-primary);
  text-align: center;
  padding: 26px 16px 18px;
  border-bottom: 3px solid var(--color-accent);
}
.panorama-header h2 {
  color: #fff;
  font-size: 28px;
  font-weight: 700;
  margin: 0 0 6px;
  letter-spacing: 1px;
}
.panorama-header h2 .pano-icon {
  display: inline-block;
  width: 32px; height: 32px;
  vertical-align: middle;
  margin-right: 8px;
}
.panorama-header p {
  color: rgba(255,255,255,.78);
  font-size: 13px;
  margin: 0;
}
.panorama-wrap {
  position: relative;
  width: 100%;
  height: 560px;
  background: #000;
  overflow: hidden;
  border-top: 0;
  border-bottom: 3px solid var(--color-accent);
}
/* Loading spinner */
.panorama-loading {
  position: absolute; inset: 0;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  background: linear-gradient(135deg, #001f3f 0%, #003366 60%, #00467f 100%);
  color: #fff;
  z-index: 5;
  transition: opacity .6s ease;
}
.panorama-loading.hide { opacity: 0; pointer-events: none; }
.panorama-loading .spinner {
  width: 56px; height: 56px;
  border: 4px solid rgba(255, 204, 0, .25);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: pano-spin 1s linear infinite;
  margin-bottom: 16px;
}
.panorama-loading .ld-text {
  font-size: 14px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: rgba(255,255,255,.85);
}
@keyframes pano-spin { to { transform: rotate(360deg); } }

/* Drag-to-rotate hint */
.panorama-hint {
  position: absolute;
  left: 22px; bottom: 22px;
  background: rgba(0, 0, 0, .55);
  color: #fff;
  font-size: 13px;
  padding: 9px 16px;
  border-radius: 22px;
  display: flex; align-items: center; gap: 8px;
  z-index: 10;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  pointer-events: none;
  animation: pano-pulse 2.4s ease-in-out infinite;
}
.panorama-hint i { font-size: 16px; color: var(--color-accent); }
.panorama-hint.fade-out { opacity: 0; transition: opacity 1s ease; }
@keyframes pano-pulse {
  0%, 100% { transform: translateX(0); }
  50%      { transform: translateX(6px); }
}

/* Custom fullscreen / control overrides for Pannellum dark theme */
.pnlm-container { background: #000 !important; }
.pnlm-controls-container {
  top: 16px !important;
  right: 16px !important;
  left: auto !important;
}
.pnlm-controls {
  background: rgba(0, 51, 102, .85) !important;
  border: 1px solid rgba(255, 204, 0, .4) !important;
  border-radius: 4px !important;
  box-shadow: 0 2px 8px rgba(0, 0, 0, .35) !important;
  margin: 0 0 6px !important;
}
.pnlm-control {
  filter: brightness(1.4) saturate(0) !important;
}
.pnlm-control:hover { background-color: var(--color-accent) !important; }
.pnlm-fullscreen-toggle-button-inactive,
.pnlm-fullscreen-toggle-button-active,
.pnlm-zoom-in,
.pnlm-zoom-out {
  background-image: none !important;
}
.pnlm-fullscreen-toggle-button-inactive::before {
  content: "\f31d";
  font-family: "bootstrap-icons";
  color: #fff; font-size: 18px;
  display: flex; align-items: center; justify-content: center;
  width: 100%; height: 100%;
}
.pnlm-fullscreen-toggle-button-active::before {
  content: "\f659";
  font-family: "bootstrap-icons";
  color: var(--color-accent); font-size: 18px;
  display: flex; align-items: center; justify-content: center;
  width: 100%; height: 100%;
}
.pnlm-zoom-in::before {
  content: "+";
  color: #fff; font-size: 22px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  width: 100%; height: 100%;
}
.pnlm-zoom-out::before {
  content: "-";
  color: #fff; font-size: 26px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  width: 100%; height: 100%;
}
.pnlm-load-box { display: none !important; }
.pnlm-panorama-info {
  background: rgba(0, 51, 102, .85) !important;
  color: #fff !important;
}

/* Placeholder (shown until user supplies panorama.jpg) */
.panorama-placeholder {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  text-align: center;
  background:
    radial-gradient(ellipse at center, rgba(255,204,0,.06) 0%, transparent 65%),
    linear-gradient(135deg, #001f3f 0%, #003366 50%, #00467f 100%);
  color: #fff; padding: 24px;
  z-index: 4;
}
.panorama-placeholder .pl-inner { max-width: 540px; }
.panorama-placeholder h3 { font-size: 22px; margin: 0 0 12px; color: var(--color-accent); }
.panorama-placeholder p  { font-size: 14px; opacity: .85; margin: 0; }
.panorama-placeholder .specs {
  margin-top: 16px;
  font-family: 'Courier New', monospace;
  background: rgba(0,0,0,.4);
  padding: 8px 14px; border-radius: 4px;
  display: inline-block; font-size: 12px;
  border: 1px solid rgba(255, 204, 0, .35);
}

/* ---------- news ---------- */
.news-grid {
  display: grid; gap: 22px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}
.news-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 6px; overflow: hidden;
  transition: all var(--transition);
}
.news-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}
.news-card .nc-img { aspect-ratio: 16 / 9; background: var(--color-bg-alt); }
.news-card .nc-body { padding: 16px; }
.news-card .nc-body .date { font-size: 12px; color: var(--color-muted); margin-bottom: 6px; }
.news-card .nc-body h3 {
  font-size: 16px; color: var(--color-primary); margin: 0 0 10px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.news-card .nc-body p {
  font-size: 13px; color: var(--color-muted); margin: 0 0 12px;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.news-card .nc-body a {
  color: var(--color-accent-2); font-weight: 600; font-size: 13px;
}

/* ---------- footer ---------- */
.site-footer {
  background: var(--color-primary);
  color: rgba(255,255,255,.78);
  padding: 56px 0 0;
}
.site-footer a { color: rgba(255,255,255,.78); }
.site-footer a:hover { color: var(--color-accent); }
.site-footer .footer-grid {
  display: grid; gap: 36px;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  padding-bottom: 36px;
}
.site-footer h4 {
  color: #fff; font-size: 15px; font-weight: 600; margin: 0 0 18px;
  position: relative; padding-bottom: 10px;
}
.site-footer h4::after {
  content: ""; position: absolute; left: 0; bottom: 0;
  width: 32px; height: 2px; background: var(--color-accent);
}
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer ul li { margin-bottom: 8px; font-size: 13px; }
.site-footer p { font-size: 13px; line-height: 1.7; margin: 0 0 12px; }
.site-footer .footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 18px 0;
  display: flex; justify-content: space-between; align-items: center;
  font-size: 12px; color: rgba(255,255,255,.55);
  flex-wrap: wrap; gap: 14px;
}
.site-footer .footer-bottom > .fb-left  { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.site-footer .footer-bottom > .fb-right { display: flex; align-items: center; gap: 10px; }
.site-footer .footer-bottom a { color: rgba(255,255,255,.55); }
.site-footer .footer-bottom a:hover { color: var(--color-accent); }
/* Footer social icons (circular white-on-dark) */
.footer-socials { display: flex; gap: 10px; }
.footer-socials a {
  width: 34px; height: 34px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: rgba(255,255,255,.08);
  color: #fff !important;
  font-size: 15px;
  transition: all .25s ease;
  border: 1px solid rgba(255,255,255,.12);
}
.footer-socials a:hover {
  background: var(--color-accent);
  color: var(--color-primary) !important;
  border-color: var(--color-accent);
  transform: translateY(-2px);
}
@media (max-width: 768px) {
  .site-footer .footer-bottom { justify-content: center; text-align: center; }
}

/* ---------- floating customer service widget ---------- */
.service-widget {
  position: fixed; right: 14px; top: 50%;
  transform: translateY(-50%);
  z-index: 999;
  display: flex; flex-direction: column;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 6px 24px rgba(20,30,60,.18);
  overflow: hidden;
  border: 1px solid var(--color-border);
}
.service-widget .sw-item {
  width: 64px; padding: 12px 6px;
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  font-size: 11px; color: var(--color-text);
  background: #fff;
  border-bottom: 1px solid var(--color-border);
  cursor: pointer;
  transition: all var(--transition);
}
.service-widget .sw-item:last-child { border-bottom: 0; }
.service-widget .sw-item:hover {
  background: var(--color-accent);
  color: var(--color-primary);
}
.service-widget .sw-item i { font-size: 18px; }
.service-widget .sw-item .lbl { line-height: 1.1; }

/* ---------- inquiry modal ---------- */
.modal-yusheng .modal-content {
  border-radius: 8px;
  border: 0;
  box-shadow: 0 20px 60px rgba(0,0,0,.25);
}
.modal-yusheng .modal-header {
  background: var(--color-primary);
  color: #fff;
  border-radius: 8px 8px 0 0;
  padding: 18px 22px;
}
.modal-yusheng .modal-header h5 { margin: 0; font-size: 18px; font-weight: 600; }
.modal-yusheng .modal-body { padding: 22px; }
.modal-yusheng .modal-body .form-label {
  font-size: 13px; font-weight: 600; color: var(--color-primary);
  margin-bottom: 4px;
}
.modal-yusheng .modal-body .form-control {
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 9px 12px; font-size: 14px;
}
.modal-yusheng .modal-body .form-control:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 .15rem rgba(244, 180, 0, .2);
}
.modal-yusheng .modal-body .required { color: #d93025; }

/* ---------- success toast / popup ---------- */
.toast-success {
  position: fixed;
  top: 80px; left: 50%;
  transform: translate(-50%, -160%);
  background: #fff;
  border-top: 4px solid #28a745;
  color: #222;
  padding: 22px 28px;
  border-radius: 6px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, .25);
  z-index: 2000;
  transition: transform .45s cubic-bezier(.2,.9,.2,1), opacity .35s;
  font-size: 14px;
  min-width: 320px;
  text-align: center;
  opacity: 0;
}
.toast-success.show {
  transform: translate(-50%, 0);
  opacity: 1;
}
.toast-success .icon-circle {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: #28a745;
  color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 30px;
  margin-bottom: 12px;
  animation: pop-in .4s cubic-bezier(.2,1.2,.4,1);
}
@keyframes pop-in {
  from { transform: scale(0); }
  to   { transform: scale(1); }
}
.toast-success .title { font-size: 18px; font-weight: 700; color: #28a745; margin-bottom: 6px; }
.toast-success .msg   { font-size: 13px; color: #666; line-height: 1.6; }

/* ---------- breadcrumbs ---------- */
.breadcrumb-bar {
  background: var(--color-bg-alt);
  padding: 14px 0;
  font-size: 13px; color: var(--color-muted);
  border-bottom: 1px solid var(--color-border);
}
.breadcrumb-bar a { color: var(--color-muted); }
.breadcrumb-bar a:hover { color: var(--color-accent-2); }
.breadcrumb-bar .sep { margin: 0 8px; color: #ccc; }

/* ---------- page heading ---------- */
.page-heading {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-2) 100%);
  color: #fff;
  padding: 60px 0;
  text-align: center;
}
.page-heading h1 {
  font-size: 36px; font-weight: 700; margin: 0 0 8px;
}
.page-heading p {
  font-size: 16px; opacity: .85; margin: 0;
  max-width: 720px; margin-left: auto; margin-right: auto;
}

/* ---------- responsive ---------- */
@media (max-width: 992px) {
  .about-preview { grid-template-columns: 1fr; }
  .site-footer .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero .carousel-item { height: 420px; }
  .hero .hero-caption h1 { font-size: 30px; }
  .hero .hero-caption p { font-size: 15px; }
}

@media (max-width: 768px) {
  .topbar { display: none; }
  .site-header .search-form { display: none; }
  .nav-toggle { display: inline-block; }
  .site-nav ul.menu {
    display: none;
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column;
    background: var(--color-primary);
    border-top: 1px solid rgba(255,255,255,.06);
  }
  .site-nav.open ul.menu { display: flex; }
  .site-nav ul.menu > li > a { padding: 12px 16px; border-bottom: 1px solid rgba(255,255,255,.05); }
  .site-nav ul.menu .dropdown {
    position: static;
    background: var(--color-primary-2);
    border: 0; box-shadow: none;
    opacity: 1; visibility: visible; transform: none;
    display: none;
  }
  .site-nav ul.menu > li:hover .dropdown { display: block; }
  .site-nav ul.menu .dropdown li a { color: rgba(255,255,255,.85); }
  .site-nav ul.menu .dropdown li a:hover { background: var(--color-primary); color: var(--color-accent); }
  .site-footer .footer-grid { grid-template-columns: 1fr; }
  .hero .carousel-item { height: 340px; }
  .hero .hero-caption h1 { font-size: 22px; }
  .service-widget { right: 8px; }
  .service-widget .sw-item { width: 52px; padding: 8px 4px; font-size: 10px; }
  .panorama-wrap { height: 320px; }
}

@media (max-width: 480px) {
  section { padding: 40px 0; }
  .page-heading { padding: 40px 0; }
  .page-heading h1 { font-size: 24px; }
}