/* ===================================================
   裕勝光食品機器 - 主樣式表
   Bootstrap 5.3 + 自訂主題
   =================================================== */

/* Google Fonts: Noto Sans TC + Noto Serif TC */

:root {
  /* 品牌色系 */
  --usk-primary:       #1a4fa0;
  --usk-primary-dark:  #133a78;
  --usk-primary-light: #2e6cc7;
  --usk-accent:        #e8880a;
  --usk-accent-light:  #ffa826;
  --usk-dark:          #1c2437;
  --usk-gray:          #6c757d;
  --usk-light-bg:      #f8f9fc;
  --usk-border:        #dee2ef;
  --usk-white:         #ffffff;

  /* Bootstrap override */
  --bs-primary:        var(--usk-primary);
  --bs-primary-rgb:    26, 79, 160;
  --bs-link-color:     var(--usk-primary);
  --bs-link-hover-color: var(--usk-primary-dark);
  --bs-font-sans-serif: 'Noto Sans TC', 'Microsoft JhengHei', sans-serif;
  --bs-body-font-family: var(--bs-font-sans-serif);
  --bs-body-color:     #333f52;

  /* Transitions */
  --transition-fast:   0.2s ease;
  --transition-std:    0.35s ease;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(26,79,160,.08);
  --shadow-md: 0 6px 24px rgba(26,79,160,.12);
  --shadow-lg: 0 12px 40px rgba(26,79,160,.18);
}

/* ===== Base ===== */
*,*::before,*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
  font-family: var(--bs-body-font-family);
  font-size: 1rem;
  color: var(--bs-body-color);
  background: var(--usk-white);
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  /* 提升 Google 圖片收錄率 */
  image-rendering: -webkit-optimize-contrast;
}

a { color: var(--usk-primary); transition: color var(--transition-fast); }
a:hover { color: var(--usk-primary-dark); }

h1,h2,h3,h4 {
  font-family: 'Noto Serif TC', 'Microsoft JhengHei', serif;
  font-weight: 700;
  color: var(--usk-dark);
  line-height: 1.4;
}

/* Skip Link */
.skip-link:focus {
  position: fixed !important;
  top: 0; left: 0;
  z-index: 9999;
  padding: .5rem 1rem;
  background: var(--usk-primary);
  color: #fff;
}

/* ===== Top Bar ===== */
.topbar {
  background: var(--usk-primary-dark);
  color: rgba(255,255,255,.9);
}
.topbar-link {
  color: rgba(255,255,255,.85);
  text-decoration: none;
  transition: color var(--transition-fast);
}
.topbar-link:hover { color: #fff; }

/* ===== Header / Navbar ===== */
.site-header {
  background: var(--usk-white);
  box-shadow: 0 2px 12px rgba(26,79,160,.1);
  z-index: 1030;
}

.site-header .navbar { padding: .75rem 0; }

/* Logo */
.brand-logo {
  display: flex;
  align-items: center;
  gap: .75rem;
}
.brand-abbr {
  font-family: 'Noto Serif TC', serif;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--usk-primary);
  letter-spacing: .05em;
  line-height: 1;
}
.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.brand-cn {
  font-size: .95rem;
  font-weight: 700;
  color: var(--usk-dark);
}
.brand-en {
  font-size: .65rem;
  color: var(--usk-gray);
  letter-spacing: .03em;
}

.site-header .nav-link {
  font-weight: 500;
  font-size: .875rem;
  color: var(--usk-dark);
  padding: .45rem .55rem;
  border-radius: 6px;
  transition: all var(--transition-fast);
  white-space: nowrap;
}
.site-header .nav-link:hover,
.site-header .nav-link[aria-current="page"] {
  color: var(--usk-primary);
  background: rgba(26,79,160,.07);
}

/* Mega Dropdown */
.mega-menu {
  min-width: 260px;
  border: none;
  box-shadow: var(--shadow-lg);
  border-radius: 12px;
  padding: .5rem;
}
.mega-menu .dropdown-item {
  border-radius: 8px;
  padding: .5rem .75rem;
  font-size: .9rem;
  color: var(--bs-body-color);
  transition: all var(--transition-fast);
}
.mega-menu .dropdown-item:hover {
  background: rgba(26,79,160,.08);
  color: var(--usk-primary);
  padding-left: 1rem;
}

/* ===== Breadcrumb ===== */
.breadcrumb-nav {
  background: var(--usk-light-bg);
  border-bottom: 1px solid var(--usk-border);
}
.breadcrumb-item + .breadcrumb-item::before { color: var(--usk-gray); }
.breadcrumb-item a { color: var(--usk-primary); text-decoration: none; }
.breadcrumb-item.active { color: var(--usk-gray); }

/* ===== Hero Section ===== */
.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--usk-primary-dark) 0%, var(--usk-primary) 55%, var(--usk-primary-light) 100%);
  padding: 5rem 0 4rem;
  color: #fff;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Ccircle cx='30' cy='30' r='2'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E") repeat;
  opacity: .6;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -1px; left: 0; right: 0;
  height: 60px;
  background: url("data:image/svg+xml,%3Csvg viewBox='0 0 1440 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0,60 C360,0 1080,0 1440,60 L1440,60 L0,60Z' fill='%23f8f9fc'/%3E%3C/svg%3E") no-repeat bottom;
  background-size: cover;
}
.hero-content { position: relative; z-index: 1; }
.hero-badge {
  display: inline-block;
  background: rgba(255,255,255,.15);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.25);
  border-radius: 20px;
  padding: .3rem 1rem;
  font-size: .8rem;
  margin-bottom: 1rem;
}
.hero h1 {
  color: #fff;
  font-size: clamp(1.75rem, 5vw, 3rem);
  line-height: 1.25;
  margin-bottom: 1rem;
}
.hero h1 em {
  font-style: normal;
  color: var(--usk-accent-light);
}
.hero-lead { font-size: 1.05rem; opacity: .9; max-width: 540px; }

.hero-stats {
  display: flex;
  gap: 2rem;
  margin-top: 2rem;
}
.hero-stat-num {
  font-family: 'Noto Serif TC', serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--usk-accent-light);
  line-height: 1;
}
.hero-stat-label { font-size: .8rem; opacity: .8; }

/* ===== Section Headings ===== */
.section-heading {
  text-align: center;
  margin-bottom: 3rem;
}
.section-eyebrow {
  display: inline-block;
  color: var(--usk-primary);
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  margin-bottom: .5rem;
}
.section-heading h2 {
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  margin-bottom: .75rem;
}
.section-divider {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--usk-primary), var(--usk-accent));
  border-radius: 2px;
  margin: 0 auto;
}

/* ===== Category Cards ===== */
.cat-card {
  border: 2px solid var(--usk-border);
  border-radius: 16px;
  padding: 2rem 1.5rem;
  text-align: center;
  transition: all var(--transition-std);
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  display: block;
  height: 100%;
}
.cat-card:hover {
  border-color: var(--usk-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
  color: var(--usk-primary);
}
.cat-icon {
  width: 64px; height: 64px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(26,79,160,.1), rgba(26,79,160,.05));
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1rem;
  font-size: 1.75rem;
  color: var(--usk-primary);
  transition: all var(--transition-std);
}
.cat-card:hover .cat-icon {
  background: var(--usk-primary);
  color: #fff;
  transform: scale(1.1);
}
.cat-name { font-weight: 700; font-size: .95rem; margin-bottom: .35rem; }
.cat-count { font-size: .8rem; color: var(--usk-gray); }

/* ===== Product Cards ===== */
.product-card {
  border: 1px solid var(--usk-border);
  border-radius: 16px;
  overflow: hidden;
  transition: all var(--transition-std);
  display: flex;
  flex-direction: column;
  height: 100%;
  background: #fff;
  position: relative;
}
.product-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: var(--usk-primary);
}
.product-card:active {
  transform: translateY(-1px);
}
.product-card-img {
  height: 220px;
  overflow: hidden;
  background: #fff;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--usk-border);
}
.product-card-img img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  padding: .75rem;
  transition: transform var(--transition-std);
}
.product-card:hover .product-card-img img {
  transform: scale(1.03);
  filter: brightness(1.03);
}
.product-badge {
  position: absolute;
  top: .75rem; left: .75rem;
  background: var(--usk-accent);
  color: #fff;
  font-size: .7rem;
  font-weight: 700;
  padding: .2rem .6rem;
  border-radius: 20px;
}
.product-badge.new { background: #28a745; }

.product-card-body {
  padding: 1.25rem;
  flex: 1;
  display: flex; flex-direction: column;
}
.product-model { font-size: .75rem; color: var(--usk-primary); font-weight: 600; letter-spacing: .05em; }
.product-name {
  font-size: 1rem;
  font-weight: 700;
  margin: .35rem 0 .5rem;
  color: var(--usk-dark);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.product-summary {
  font-size: .85rem;
  color: var(--usk-gray);
  line-height: 1.5;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.product-card-footer {
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--usk-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ===== Buttons ===== */
.btn-primary {
  background: var(--usk-primary);
  border-color: var(--usk-primary);
  border-radius: 8px;
  font-weight: 600;
  padding: .55rem 1.4rem;
  transition: all var(--transition-fast);
}
.btn-primary:hover {
  background: var(--usk-primary-dark);
  border-color: var(--usk-primary-dark);
  box-shadow: 0 4px 12px rgba(26,79,160,.3);
  transform: translateY(-1px);
}
.btn-outline-primary { border-radius: 8px; font-weight: 600; }
.btn-line {
  background: #06C755;
  color: #fff;
  border: none;
  border-radius: 8px;
  font-weight: 600;
}
.btn-line:hover { background: #04a647; color: #fff; }

/* ===== Why Us ===== */
.why-item {
  display: flex;
  gap: 1.25rem;
  padding: 1.5rem;
  border-radius: 16px;
  transition: all var(--transition-std);
}
.why-item:hover {
  background: #fff;
  box-shadow: var(--shadow-md);
}
.why-icon {
  flex-shrink: 0;
  width: 56px; height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--usk-primary), var(--usk-primary-light));
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
}
.why-title { font-weight: 700; margin-bottom: .35rem; }
.why-desc { font-size: .88rem; color: var(--usk-gray); line-height: 1.55; }

/* ===== News Cards ===== */
.news-card {
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-std);
  background: #fff;
  height: 100%;
}
.news-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.news-card-img {
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--usk-light-bg);
}
.news-card-img img { width:100%; height:100%; object-fit:cover; transition: transform var(--transition-std); }
.news-card:hover .news-card-img img { transform: scale(1.05); }

/* ===== Contact Form ===== */
.contact-form-wrap {
  background: #fff;
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  padding: 2.5rem;
}
.form-control, .form-select {
  border-radius: 10px;
  border: 1.5px solid var(--usk-border);
  padding: .65rem 1rem;
  transition: all var(--transition-fast);
}
.form-control:focus, .form-select:focus {
  border-color: var(--usk-primary);
  box-shadow: 0 0 0 3px rgba(26,79,160,.15);
}
.form-label { font-weight: 600; font-size: .9rem; }

/* ===== Info Card (contact page) ===== */
.info-card {
  background: var(--usk-primary);
  color: #fff;
  border-radius: 20px;
  padding: 2.5rem;
  height: 100%;
}
.info-card h3 { color: #fff; }
.info-item { display: flex; gap: 1rem; margin-bottom: 1.5rem; }
.info-icon {
  flex-shrink: 0;
  width: 44px; height: 44px;
  border-radius: 10px;
  background: rgba(255,255,255,.15);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
}
.info-label { font-size: .78rem; opacity: .75; margin-bottom: .1rem; }
.info-value { font-weight: 600; }
.info-value a { color: #fff; }

/* ===== Product Detail ===== */
.product-detail-img {
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 280px;
  max-height: 460px;
  padding: 1.5rem;
  border: 1px solid var(--usk-border);
}
.product-detail-img img {
  max-width: 100%;
  max-height: 420px;
  width: auto;
  height: auto;
  object-fit: contain;
  display: block;
}

.spec-table th {
  background: var(--usk-light-bg);
  font-weight: 600;
  width: 35%;
  color: var(--usk-dark);
}
.spec-table td, .spec-table th {
  vertical-align: middle;
  padding: .65rem 1rem;
}

/* ===== Pagination ===== */
.pagination .page-link {
  border-radius: 8px !important;
  margin: 0 2px;
  border: 1.5px solid var(--usk-border);
  color: var(--usk-primary);
  transition: all var(--transition-fast);
}
.pagination .page-link:hover {
  background: var(--usk-primary);
  border-color: var(--usk-primary);
  color: #fff;
}
.pagination .active .page-link {
  background: var(--usk-primary);
  border-color: var(--usk-primary);
}

/* ===== FAB (Floating Action Buttons) ===== */
.fab-group {
  position: fixed;
  right: 1.25rem;
  bottom: 1.5rem;
  z-index: 1040;
  display: flex;
  flex-direction: column;
  gap: .75rem;
}
.fab {
  width: 52px; height: 52px;
  border-radius: 50%;
  border: none;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.35rem;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-std);
  text-decoration: none;
}
.fab:hover { transform: scale(1.12); box-shadow: var(--shadow-lg); }
.fab-phone { background: var(--usk-primary); color: #fff; }
.fab-line   { background: #06C755; color: #fff; }
.fab-top    { background: rgba(255,255,255,.9); color: var(--usk-dark); backdrop-filter: blur(4px); }

/* ===== Footer ===== */
.site-footer {
  background: var(--usk-dark);
  color: rgba(255,255,255,.75);
}
.footer-main { border-bottom: 1px solid rgba(255,255,255,.08); }
.footer-brand {
  display: flex; align-items: center; gap: .75rem; margin-bottom: 1rem;
}
.footer-abbr {
  font-family: 'Noto Serif TC', serif;
  font-size: 2rem; font-weight: 700;
  color: var(--usk-primary-light);
}
.footer-name-cn { font-size: .9rem; font-weight: 700; color: #fff; }
.footer-name-en { font-size: .65rem; color: rgba(255,255,255,.5); }
.footer-about { color: rgba(255,255,255,.55); }
.footer-contact li { margin-bottom: .5rem; color: rgba(255,255,255,.7); }
.footer-contact a { color: rgba(255,255,255,.85); text-decoration: none; }
.footer-contact a:hover { color: #fff; }
.footer-heading {
  color: #fff;
  font-size: .85rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.footer-links li { margin-bottom: .4rem; }
.footer-links a { color: rgba(255,255,255,.55); text-decoration: none; font-size: .88rem; transition: color var(--transition-fast); }
.footer-links a:hover { color: #fff; }
.footer-map-wrap { border-radius: 12px; overflow: hidden; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); }

/* ===== Utilities ===== */
.bg-light-usk { background: var(--usk-light-bg); }
.text-primary-usk { color: var(--usk-primary) !important; }

/* ===== Animations ===== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
.animate-in { animation: fadeInUp .55s ease both; }
.animate-delay-1 { animation-delay: .1s; }
.animate-delay-2 { animation-delay: .2s; }
.animate-delay-3 { animation-delay: .3s; }

/* ===== Admin Area ===== */
.admin-sidebar {
  width: 260px; min-height: 100vh;
  background: var(--usk-dark);
  position: fixed; left: 0; top: 0; bottom: 0;
  z-index: 1000;
  overflow-y: auto;
  transition: transform var(--transition-std);
}
.admin-logo { padding: 1.5rem; border-bottom: 1px solid rgba(255,255,255,.08); }
.admin-nav-link {
  display: flex; align-items: center; gap: .75rem;
  padding: .7rem 1.5rem;
  color: rgba(255,255,255,.65);
  text-decoration: none;
  font-size: .9rem;
  transition: all var(--transition-fast);
  border-left: 3px solid transparent;
}
.admin-nav-link:hover, .admin-nav-link.active {
  color: #fff;
  background: rgba(255,255,255,.06);
  border-left-color: var(--usk-primary-light);
}
.admin-content { margin-left: 260px; min-height: 100vh; background: #f0f2f7; }
.admin-topbar {
  background: #fff;
  padding: .85rem 1.5rem;
  box-shadow: 0 2px 8px rgba(0,0,0,.06);
  display: flex; align-items: center; justify-content: space-between;
}
.admin-body { padding: 2rem 1.5rem; }

/* ===== Responsive ===== */
@media (max-width: 991.98px) {
  .admin-sidebar { transform: translateX(-100%); }
  .admin-sidebar.show { transform: translateX(0); }
  .admin-content { margin-left: 0; }

  .hero { padding: 3.5rem 0 3rem; }
  .hero-stats { gap: 1.25rem; }
}

@media (max-width: 575.98px) {
  .contact-form-wrap { padding: 1.5rem; }
  .info-card { padding: 1.5rem; }
  .fab-group { right: .75rem; bottom: 1rem; }
}


/* ===== Hero 圖片拼貼 ===== */
.hero-collage {
  height: 340px;
  padding: .5rem 0;
}
.hero-collage-grid {
  display: flex;
  gap: 8px;
  height: 100%;
  align-items: stretch;
}
.hero-col {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}
.hero-col-sm { flex: 0.75; }

.hero-img-wrap {
  border-radius: 12px;
  overflow: hidden;
  flex-shrink: 0;
  border: 2px solid rgba(255,255,255,.15);
  background: #fff;
  box-shadow: 0 4px 20px rgba(0,0,0,.25);
  transition: transform .3s ease, box-shadow .3s ease;
}
.hero-img-wrap:hover {
  transform: scale(1.03);
  box-shadow: 0 8px 30px rgba(0,0,0,.35);
  border-color: rgba(255,255,255,.3);
}
.hero-img-lg  { flex: 1.6; }
.hero-img-sm  { flex: 1; }
.hero-img-md  { flex: 1; }

.hero-img-wrap img {
  width: 100%; height: 100%;
  object-fit: contain;
  display: block;
  padding: .5rem;
  filter: brightness(.98);
  transition: filter .3s ease;
}
.hero-img-wrap:hover img { filter: brightness(1); }

/* ===== 全站搜尋 ===== */
.site-search-wrap {
  position: relative;
}
.site-search-toggle {
  background: transparent;
  border: none;
  color: var(--usk-dark);
  width: 30px; height: 30px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 6px;
  cursor: pointer;
  font-size: .95rem;
  transition: all .2s;
}
.site-search-toggle:hover {
  background: rgba(26,79,160,.08);
  color: var(--usk-primary);
}
.site-search-panel {
  display: none;
  position: absolute;
  right: 0; top: calc(100% + 8px);
  width: 280px;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 8px 30px rgba(0,0,0,.15);
  padding: .75rem;
  z-index: 9999;
  border: 1px solid var(--usk-border);
}
.site-search-panel.show { display: block; }
.site-search-panel form { display: flex; gap: .5rem; }
.site-search-panel input {
  flex: 1;
  border: 1.5px solid var(--usk-border);
  border-radius: 8px;
  padding: .5rem .75rem;
  font-size: .9rem;
  outline: none;
  transition: border-color .2s;
}
.site-search-panel input:focus { border-color: var(--usk-primary); }
.site-search-panel button {
  background: var(--usk-primary);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: .45rem .8rem;
  cursor: pointer;
  font-size: .8rem;
  font-weight: 600;
  white-space: nowrap;
  transition: background .2s;
}
.site-search-panel button:hover { background: var(--usk-primary-dark); }
.search-hint {
  font-size: .75rem;
  color: var(--usk-gray);
  margin-top: .35rem;
  padding: 0 .25rem;
}

/* ===== Print ===== */

/* ===== Footer 免責聲明 ===== */
.footer-disclaimer {
  background: rgba(0, 0, 0, 0.25);
  padding: 1.25rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.disclaimer-box {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  background: rgba(255, 168, 38, 0.08);
  border: 1px solid rgba(255, 168, 38, 0.2);
  border-radius: 10px;
  padding: 0.9rem 1.25rem;
}
.disclaimer-icon {
  flex-shrink: 0;
  color: rgba(255, 168, 38, 0.8);
  font-size: 1rem;
  margin-top: 2px;
}
.disclaimer-text {
  margin: 0;
  font-size: 0.78rem;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.5);
}
.disclaimer-text strong {
  color: rgba(255, 255, 255, 0.75);
  font-weight: 600;
}
@media (max-width: 576px) {
  .disclaimer-box {
    padding: 0.75rem 1rem;
  }
  .disclaimer-text {
    font-size: 0.73rem;
  }
}
\n/* ===== Print ===== */\n@media print {
  .site-header, .site-footer, .fab-group, .topbar { display: none !important; }
  body { color: #000; }
  a { text-decoration: underline; }
}
/* ===== 浮動按鈕位置修正 ===== */
.floating-btns {
  position: fixed !important;
  right: 1.25rem !important;
  bottom: 1.5rem !important;
  left: auto !important;
  top: auto !important;
  display: flex;
  flex-direction: column;
  gap: .6rem;
  z-index: 1050;
}
.float-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  text-decoration: none;
  box-shadow: 0 4px 16px rgba(0,0,0,.25);
  transition: transform .2s, box-shadow .2s;
  border: none;
  cursor: pointer;
}
.float-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(0,0,0,.3);
}
.float-phone {
  background: var(--usk-primary, #1a4fa0);
  color: #fff !important;
}
.float-line {
  background: #06c755;
  color: #fff !important;
}
.float-top {
  background: rgba(26,31,46,.7);
  color: #fff;
}