/* =========================================
   CHUNKLINK — SHARED DESIGN SYSTEM
   Primary: #1990E6  |  International Style
   ========================================= */

/*这里影响网站加载速度,注释掉*/
/*@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Noto+Sans+SC:wght@300;400;500;700;900&display=swap');*/

:root {
  --primary:       #1990E6;
  --primary-dark:  #0F72C4;
  --primary-light: #4AAFF0;
  --primary-10:    rgba(25,144,230,0.08);
  --primary-20:    rgba(25,144,230,0.15);

  --accent-orange: #E8541A;
  --accent-green:  #3DAA4B;
  --accent-red:    #D92B2B;
  --accent-yellow: #F5A623;
  --accent-purple: #7C3AED;
  --accent-gold:   #C8944A;

  --bg-base:       #F6F6FA;
  --bg-card:       #FFFFFF;
  --bg-elevated:   #F6F6FA;
  --border:        rgba(0,0,0,0.06);
  --border-hover:  rgba(25,144,230,0.35);

  --text-primary:   #0B172A;
  --text-secondary: #475569;
  --text-muted:     #94A3B8;

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;

  --shadow-sm:   0 1px 3px rgba(0,0,0,0.04), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md:   0 4px 16px rgba(0,0,0,0.06), 0 1px 3px rgba(0,0,0,0.04);
  --shadow-lg:   0 12px 40px rgba(0,0,0,0.08), 0 2px 6px rgba(0,0,0,0.04);
  --shadow-blue: 0 4px 20px rgba(25,144,230,0.15);
  --shadow-card: 0 1px 2px rgba(0,0,0,0.04), 0 4px 12px rgba(0,0,0,0.04);

  --font-sans: 'Inter', 'Noto Sans SC', sans-serif;
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
  --transition-slow: 0.6s cubic-bezier(0.4,0,0.2,1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-sans);
  background: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-elevated); }
::-webkit-scrollbar-thumb { background: #CBD5E1; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

/* ===== SELECTION ===== */
::selection { background: var(--primary); color: #fff; }

/* ===== LINKS ===== */
a { color: inherit; text-decoration: none; }

/* ===== NAVIGATION ===== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 0 2rem;
  height: 72px;
  display: flex; align-items: center;
  background: transparent;
  border-bottom: 1px solid transparent;
  box-shadow: none;
  transition: var(--transition);
}
.navbar.scrolled {
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 4px 24px rgba(0,0,0,0.08);
}
.nav-container {
  width: 100%; max-width: 1280px; margin: 0 auto;
  display: flex; align-items: center; gap: 2rem;
  justify-content: space-between;
}
.nav-logo {
  display: flex; align-items: center;
  flex-shrink: 0;
}
.nav-logo-img {
  height: 50px; width: auto;
  object-fit: contain;
}
.logo-mark {
  width: 36px; height: 36px; border-radius: 8px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; font-weight: 900; color: #fff;
  box-shadow: 0 4px 16px rgba(25,144,230,0.4);
  flex-shrink: 0;
}
.logo-text { color: var(--text-primary); }
.logo-text span { color: var(--primary); }

.nav-links {
  display: flex; align-items: center; gap: 0.25rem;
  list-style: none; margin-left: auto;
}
.nav-links a {
  padding: 0.5rem 0.875rem;
  font-size: 0.875rem; font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.nav-links a:hover, .nav-links a.active {
  color: var(--text-primary);
  background: var(--primary-10);
}
.nav-links a.active { color: var(--primary); }
.nav-links a.nav-external::after {
  content: ' ↗';
  font-size: 0.7rem; opacity: 0.5;
}

/* ===== NAV DROPDOWN ===== */
.nav-dropdown { position: relative; }
.nav-dropdown > a { display: inline-flex; align-items: center; gap: 4px; }
.dropdown-arrow { font-size: 0.6rem; color: var(--text-muted); transition: transform .3s; }
.nav-dropdown:hover .dropdown-arrow { transform: rotate(180deg); }
/* 用伪元素填充导航和下拉之间的间隙，防止鼠标移入时闪烁 */
.nav-dropdown::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 0; right: 0;
  height: 20px;
}
.dropdown-menu {
  position: absolute; top: calc(100% + 20px); left: 50%;
  transform: translateX(-50%);
  min-width: 160px;
  background: rgba(255,255,255,0.98);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 8px;
  opacity: 0; visibility: hidden; pointer-events: none;
  transition: all .25s ease;
  z-index: 1001;
  list-style: none;
}
.nav-dropdown:hover .dropdown-menu {
  opacity: 1; visibility: visible; pointer-events: auto;
  top: calc(100% + 16px);
}
.dropdown-menu a {
  display: block; padding: 10px 14px;
  font-size: 0.85rem; font-weight: 500;
  color: var(--text-secondary); border-radius: var(--radius-sm);
  transition: var(--transition); white-space: nowrap;
}
.dropdown-menu a:hover {
  background: var(--primary-10); color: var(--primary);
}

/* 移动端下拉 */
.mobile-dropdown > a {
  display: flex; align-items: center; justify-content: space-between;
  border-bottom: 1px solid var(--border);
}
.mobile-dropdown .mobile-sub {
  display: none; flex-direction: column; padding-left: 1rem;
}
.mobile-dropdown.open .mobile-sub { display: flex; }
.mobile-dropdown .mobile-sub a { border-bottom: none; font-size: 0.95rem; }

.hamburger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 4px;
  margin-left: auto;
}
.hamburger span {
  display: block; width: 22px; height: 2px;
  background: var(--text-primary); border-radius: 2px;
  transition: var(--transition);
}

/* ===== INNER PAGE BANNER (底图+文字居中) ===== */
.inner-banner {
  position: relative; width: 100%; min-height: 440px;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden; margin-top: 72px;
}
.inner-banner-bg {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, #0B2240 0%, #0F4B8C 40%, #1990E6 100%);
}
.inner-banner-overlay {
  position: absolute; inset: 0;
  background: rgba(11,34,64,0.55);
}
.inner-banner-bg::before {
  content: ''; position: absolute;
  width: 500px; height: 500px; border-radius: 50%;
  background: radial-gradient(circle, rgba(25,144,230,0.22) 0%, transparent 70%);
  top: -80px; right: -80px;
}
.inner-banner-bg::after {
  content: ''; position: absolute;
  width: 350px; height: 350px; border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,0.06) 0%, transparent 70%);
  bottom: -60px; left: 10%;
}
.inner-banner-content {
  position: relative; z-index: 2; text-align: center;
  max-width: 1200px; width: 100%; padding: 0 48px;
}
.inner-banner-eyebrow {
  display: inline-block;
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.12em;
  color: rgba(255,255,255,0.7); margin-bottom: 20px;
  border: 1px solid rgba(255,255,255,0.25); border-radius: 4px;
  padding: 4px 12px;
}
.inner-banner h1 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 900; color: #fff; line-height: 1.15;
  letter-spacing: -0.02em; margin-bottom: 16px;
}
.inner-banner h1 em { color: #4AAFF0; font-style: normal; }
.inner-banner p {
  font-size: 1rem; color: rgba(255,255,255,0.75);
  line-height: 1.7; max-width: 520px; margin: 0 auto;
}

@media(max-width: 768px) {
  .inner-banner { min-height: 320px; margin-top: 60px; }
  .inner-banner-content { padding: 0 24px; }
}

/* ===== SECTION UTILITIES ===== */
.section { padding: 96px 2rem; }
.container { max-width: 1280px; margin: 0 auto; }

.section-header { text-align: center; margin-bottom: 64px; }
.section-title {
  font-size: clamp(1.25rem, 3.8vw, 2.25rem);
  font-weight: 800; letter-spacing: -0.03em; line-height: 1.15;
  color: var(--text-primary);
  margin-bottom: 1rem;
}
.section-subtitle {
  font-size: 1rem; color: var(--text-secondary);
  max-width: 580px; margin: 0 auto;
}

/* ===== CARD COMPONENT ===== */
.card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-blue);
}

/* ===== PLACEHOLDER ICON/IMAGE BLOCKS ===== */
.placeholder-icon {
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-sm);
  font-weight: 800; color: #fff; flex-shrink: 0;
  letter-spacing: -0.02em;
}
.placeholder-icon.sm { width: 40px; height: 40px; font-size: 1rem; }
.placeholder-icon.md { width: 56px; height: 56px; font-size: 1.25rem; border-radius: var(--radius-md); }
.placeholder-icon.lg { width: 80px; height: 80px; font-size: 1.75rem; border-radius: var(--radius-md); }

.ph-blue   { background: linear-gradient(135deg,#1990E6,#4AAFF0); box-shadow: 0 4px 20px rgba(25,144,230,0.35); }
.ph-orange { background: linear-gradient(135deg,#E8541A,#FF7D4D); box-shadow: 0 4px 20px rgba(232,84,26,0.35); }
.ph-green  { background: linear-gradient(135deg,#3DAA4B,#5BC96C); box-shadow: 0 4px 20px rgba(61,170,75,0.35); }
.ph-red    { background: linear-gradient(135deg,#D92B2B,#F05252); box-shadow: 0 4px 20px rgba(217,43,43,0.35); }
.ph-purple { background: linear-gradient(135deg,#7C3AED,#A78BFA); box-shadow: 0 4px 20px rgba(124,58,237,0.35); }
.ph-yellow { background: linear-gradient(135deg,#F5A623,#FBBF24); box-shadow: 0 4px 20px rgba(245,166,35,0.35); }

.placeholder-img {
  width: 100%; display: flex; align-items: center; justify-content: center;
  font-size: 0.8rem; font-weight: 600; letter-spacing: 0.06em;
  color: rgba(0,0,0,0.2); text-transform: uppercase;
  position: relative; overflow: hidden;
}
.placeholder-img::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(45deg, transparent 30%, rgba(0,0,0,0.02) 50%, transparent 70%);
  animation: shimmer 2.5s infinite;
}
@keyframes shimmer {
  0%   { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}
.ph-img-blue,
.ph-img-orange,
.ph-img-green,
.ph-img-purple { background: #f1f8fe; }

/* ===== BUTTON ===== */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem; font-weight: 600;
  cursor: pointer; border: none;
  transition: var(--transition);
  text-decoration: none;
}
.btn-primary {
  background: var(--primary); color: #fff;
}
.btn-primary:hover {
  background: var(--primary-dark);
  box-shadow: var(--shadow-blue);
  transform: translateY(-2px);
}
.btn-outline {
  background: transparent; color: var(--text-primary);
  border: 1px solid var(--border);
}
.btn-outline:hover {
  border-color: var(--primary); color: var(--primary);
  background: var(--primary-10);
}
.btn-ghost {
  background: transparent; color: var(--primary);
  border: 1px solid var(--primary-20);
}
.btn-ghost:hover { background: var(--primary-10); }

/* ===== TAG / BADGE ===== */
.tag {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 100px;
  font-size: 0.7rem; font-weight: 600; letter-spacing: 0.05em;
}
.tag-blue   { background: rgba(25,144,230,0.1); color: var(--primary); }
.tag-orange { background: rgba(232,84,26,0.1);  color: var(--accent-orange); }
.tag-green  { background: rgba(61,170,75,0.1);  color: var(--accent-green); }
.tag-red    { background: rgba(217,43,43,0.1);   color: var(--accent-red); }
.tag-purple { background: rgba(124,58,237,0.1);  color: var(--accent-purple); }

/* ===== STAT COUNTER ===== */
.stat-item { text-align: center; }
.stat-number {
  font-size: 2.5rem; font-weight: 800; letter-spacing: -0.04em;
  color: var(--primary); line-height: 1;
}
.stat-number span { color: var(--text-secondary); font-size: 1.5rem; }
.stat-label { font-size: 0.85rem; color: var(--text-secondary); margin-top: 6px; }

/* ===== DIVIDER ===== */
.divider {
  height: 1px; background: var(--border);
  margin: 0;
}

/* ===== FOOTER ===== */
footer {
  padding: 60px 2rem 32px;
  border-top: none;
  background: #0D1117;
  color: #fff;
}
.footer-grid {
  max-width: 1280px; margin: 0 auto;
  display: grid; grid-template-columns: 1.2fr repeat(2, 1fr) 1.8fr; gap: 24px;
  margin-bottom: 48px;
}
.footer-logo-img {
  height: 72px; width: auto;
  object-fit: contain; margin-bottom: 1rem;
}
.footer-brand p { font-size: 0.875rem; color: rgba(255,255,255,0.5); line-height: 1.7; max-width: 280px; }
.footer-col h4 { font-size: 0.85rem; font-weight: 700; letter-spacing: 0.08em; color: rgba(255,255,255,0.9); margin-bottom: 1.25rem; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li a { font-size: 0.875rem; color: rgba(255,255,255,0.5); transition: var(--transition); }
.footer-col ul li a:hover { color: var(--primary); }
.footer-bottom {
  max-width: 1280px; margin: 0 auto;
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 0.8rem; color: rgba(255,255,255,0.35);
}

/* ===== GRID LAYOUTS ===== */
.grid-2 { display: grid; grid-template-columns: repeat(2,1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }

/* ===== ANIMATIONS ===== */
@keyframes fadeUp {
  from { opacity:0; transform:translateY(32px); }
  to   { opacity:1; transform:translateY(0); }
}
@keyframes fadeIn {
  from { opacity:0; } to { opacity:1; }
}
@keyframes scaleIn {
  from { opacity:0; transform:scale(0.9); }
  to   { opacity:1; transform:scale(1); }
}
@keyframes float {
  0%,100% { transform:translateY(0); }
  50%      { transform:translateY(-10px); }
}
@keyframes pulse-ring {
  0%   { transform:scale(0.8); opacity:1; }
  100% { transform:scale(2);   opacity:0; }
}
@keyframes gradient-move {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.animate-in {
  opacity: 0;
  animation: fadeUp 0.7s cubic-bezier(0.4,0,0.2,1) forwards;
}
.animate-in.delay-1 { animation-delay: 0.1s; }
.animate-in.delay-2 { animation-delay: 0.2s; }
.animate-in.delay-3 { animation-delay: 0.3s; }
.animate-in.delay-4 { animation-delay: 0.4s; }
.animate-in.delay-5 { animation-delay: 0.5s; }
.animate-in.delay-6 { animation-delay: 0.6s; }

/* ===== SCROLL PROGRESS ===== */
#scroll-progress {
  position: fixed; top: 0; left: 0; height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
  z-index: 9999; width: 0%; transition: width 0.1s;
}

/* ===== MOBILE NAV ===== */
.mobile-menu {
  display: none; position: fixed; inset: 0; top: 72px;
  background: rgba(255,255,255,0.98); backdrop-filter: blur(20px);
  z-index: 999; padding: 2rem;
  flex-direction: column; gap: 8px;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  padding: 1rem; font-size: 1rem; font-weight: 500;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
.mobile-menu a:hover { color: var(--primary); padding-left: 1.5rem; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2,1fr); }
  .footer-grid { grid-template-columns: repeat(2,1fr); gap: 28px; }
}
@media (max-width: 768px) {
  .nav-links { display: none; margin-left: 0; }
  .hamburger { display: flex; margin-left: auto; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: repeat(2,1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-col-contact { grid-column: 1 / -1; }
  .footer-col-contact .footer-contact-body {
    display: flex; align-items: flex-end; justify-content: flex-start; gap: 32px;
  }
  .footer-contact-info { gap: 12px; }
  .footer-contact-label { font-size: 0.7rem; }
  .footer-contact-phone { font-size: 0.95rem; }
  .footer-contact-email { font-size: 0.85rem; }
  .footer-qr-inline .footer-qr-img { width: 92px; height: 92px; padding: 6px; }
  .footer-qr-inline .footer-qr-img svg { width: 36px; height: 36px; }
  .footer-qr-inline .footer-qr-text { font-size: 0.65rem; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .section { padding: 64px 1.25rem; }
  .inner-banner { min-height: 320px; margin-top: 60px; }
}
@media (max-width: 480px) {
  .footer-col-contact .footer-contact-body {
    flex-direction: row; align-items: flex-end; justify-content: flex-start; gap: 32px;
  }
  .footer-qr-inline { align-items: center; }
  .footer-contact-phone { font-size: 0.9rem; }
  .grid-4 { grid-template-columns: 1fr; }
}

/* =========================================
   1. 导航栏 400 电话
   ========================================= */
.nav-phone {
  display: flex; align-items: center; gap: 8px;
  margin-left: 1.5rem; flex-shrink: 0;
  padding: 7px 14px;
  border-radius: 100px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.25);
  color: #fff;
  transition: var(--transition);
  cursor: pointer;
  text-decoration: none;
}
.nav-phone:hover {
  background: rgba(255,255,255,0.22);
  border-color: rgba(255,255,255,0.4);
}
.nav-phone-icon {
  width: 20px; height: 20px;
  display: flex; align-items: center; justify-content: center;
  color: var(--primary); flex-shrink: 0;
}
.nav-phone-icon svg { width: 18px; height: 18px; }
.nav-phone-icon img {
  width: 100%; height: 100%; object-fit: contain;
  filter: brightness(0) saturate(100%) invert(47%) sepia(85%) saturate(1752%) hue-rotate(185deg) brightness(96%) contrast(93%);
}
.nav-phone-text {
  display: flex; flex-direction: column; gap: 2px;
  line-height: 1;
}
.nav-phone-number {
  font-size: 0.9rem; font-weight: 700; color: var(--primary);
  letter-spacing: 0.02em;
  white-space: nowrap;
}
/* 导航栏滚动后（白底）— 蓝色文字轻描边 */
.navbar.scrolled .nav-phone {
  background: rgba(25,144,230,0.06);
  border-color: rgba(25,144,230,0.18);
  color: var(--primary);
}
.navbar.scrolled .nav-phone:hover {
  background: rgba(25,144,230,0.12);
  border-color: rgba(25,144,230,0.3);
}
.navbar.scrolled .nav-phone-icon { color: var(--primary); }
.navbar.scrolled .nav-phone-number { color: var(--primary); }
/* 移动端：只显示图标圆形按钮，隐藏文字 */
@media(max-width: 768px) {
  .nav-phone { margin-left: 0; padding: 10px; border-radius: 50%; }
  .nav-phone-text { display: none; }
  .nav-phone-icon svg { width: 20px; height: 20px; }
}

/* =========================================
   2. 右侧客服工具栏（全站浮动）
   ========================================= */
.cs-toolbar {
  position: fixed; right: 16px; top: 50%; transform: translateY(-50%);
  z-index: 998;
  display: flex; flex-direction: column; align-items: center; gap: 12px;
}
.cs-toolbar-inner {
  display: flex; flex-direction: column;
  background: #fff;
  border-radius: 28px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  padding: 6px 0;
  overflow: visible;
}
.cs-btn {
  position: relative;
  width: 56px; min-height: 58px;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px;
  cursor: pointer;
  transition: all 0.25s ease;
  border: none;
  text-decoration: none;
  background: transparent;
  padding: 8px 0;
}
.cs-btn + .cs-btn { border-top: 1px solid rgba(0,0,0,0.05); }
.cs-btn:hover { background: rgba(25,144,230,0.06); }
.cs-btn .cs-icon {
  width: 22px; height: 22px;
  display: flex; align-items: center; justify-content: center;
  color: #4a4a4a;
  transition: color 0.25s ease;
}
.cs-btn .cs-icon svg, .cs-btn .cs-icon img { width: 100%; height: 100%; }
.cs-btn:hover .cs-icon img { filter: brightness(0) saturate(100%) invert(40%) sepia(89%) saturate(2025%) hue-rotate(191deg) brightness(98%) contrast(92%); }
.cs-btn:hover .cs-icon { color: var(--primary); }
.cs-btn .cs-label {
  font-size: 0.6rem; font-weight: 500;
  color: #666;
  transition: color 0.25s ease;
  white-space: nowrap;
}
.cs-btn:hover .cs-label { color: var(--primary); }

/* 返回顶部按钮：独立的圆形背景 */
.cs-btn-top {
  width: 52px; height: 52px;
  min-height: 52px;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px;
  background: #fff;
  border-radius: 50%;
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
  visibility: hidden;
  opacity: 0;
  transform: scale(0.8);
  padding: 0;
}
.cs-btn-top.show {
  visibility: visible;
  opacity: 1;
  transform: scale(1);
}
.cs-btn-top .cs-icon { width: 20px; height: 20px; color: #4a4a4a; }
.cs-btn-top .cs-label { font-size: 0.55rem; color: #666; }
.cs-btn-top:hover { background: var(--primary); }
.cs-btn-top:hover .cs-icon,
.cs-btn-top:hover .cs-label { color: #fff; }

/* 客服弹出卡片 */
.cs-popup {
  position: absolute; right: 62px; top: 50%; transform: translateY(-50%) translateX(12px);
  background: #fff; border-radius: 16px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.12);
  padding: 20px; min-width: 180px;
  opacity: 0; visibility: hidden; pointer-events: none;
  transition: all 0.3s ease;
  z-index: 999;
}
.cs-btn:hover .cs-popup {
  opacity: 1; visibility: visible; pointer-events: auto;
  transform: translateY(-50%) translateX(0);
}
.cs-popup::after {
  content: ''; position: absolute; right: -6px; top: 50%; transform: translateY(-50%) rotate(45deg);
  width: 12px; height: 12px; background: #fff;
}
.cs-popup-title {
  font-size: 0.9rem; font-weight: 700; color: var(--text-primary);
  margin-bottom: 4px; text-align: center;
}
.cs-popup-subtitle {
  font-size: 0.75rem; color: var(--text-secondary); text-align: center; margin-bottom: 14px;
}
.cs-popup-qr {
  position: relative;
  width: 140px; height: 140px; margin: 0 auto 10px;
  background: #fff;
  border-radius: 8px;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px;
  color: var(--text-muted); font-size: 0.7rem; text-align: center; padding: 8px;
  box-shadow: inset 0 0 0 1px rgba(25,144,230,0.1);
}
.cs-popup-qr svg { width: 40px; height: 40px; opacity: 0.35; }
.cs-popup-qr span { line-height: 1.4; }
.qr-corner {
  position: absolute;
  width: 14px; height: 14px;
  border-color: var(--primary);
  border-style: solid;
  pointer-events: none;
}
.qr-corner.tl { top: 0; left: 0; border-width: 2px 0 0 2px; border-top-left-radius: 3px; }
.qr-corner.tr { top: 0; right: 0; border-width: 2px 2px 0 0; border-top-right-radius: 3px; }
.qr-corner.bl { bottom: 0; left: 0; border-width: 0 0 2px 2px; border-bottom-left-radius: 3px; }
.qr-corner.br { bottom: 0; right: 0; border-width: 0 2px 2px 0; border-bottom-right-radius: 3px; }
.cs-popup-desc {
  font-size: 0.75rem; color: var(--text-secondary); text-align: center; line-height: 1.5;
}
.cs-popup-action {
  display: block; margin-top: 10px; padding: 7px 14px;
  background: var(--primary); color: #fff; border-radius: 6px;
  font-size: 0.78rem; font-weight: 600; text-align: center;
  transition: background 0.2s;
}
.cs-popup-action:hover { background: var(--primary-dark); }

@media(max-width: 768px) {
  .cs-toolbar { right: 10px; gap: 10px; }
  .cs-toolbar-inner { border-radius: 24px; padding: 4px 0; }
  .cs-btn { width: 48px; min-height: 52px; padding: 6px 0; }
  .cs-btn .cs-icon { width: 20px; height: 20px; }
  .cs-btn .cs-label { font-size: 0.55rem; }
  .cs-btn-top { width: 46px; height: 46px; min-height: 46px; }
  .cs-btn-top.show { width: 46px; height: 46px; min-height: 46px; }
  .cs-popup { right: 56px; min-width: 150px; padding: 16px; }
  .cs-popup-qr { width: 120px; height: 120px; }
}

/* =========================================
   3. 页脚微信公众号二维码占位
   ========================================= */
.footer-qr {
  display: flex; flex-direction: column; align-items: center; gap: 10px;
}
.footer-qr-img {
  width: 110px; height: 110px;
  background: #fff; border-radius: 12px;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px;
  padding: 10px;
  border: 1px solid rgba(255,255,255,0.1);
}
.footer-qr-img svg { width: 44px; height: 44px; opacity: 0.25; }
.footer-qr-img span {
  font-size: 0.65rem; color: var(--text-muted); text-align: center; line-height: 1.4;
}
.footer-qr-text {
  font-size: 0.75rem; color: rgba(255,255,255,0.65); text-align: center;
}
.footer-qr-text strong { color: rgba(255,255,255,0.85); display: block; font-weight: 700; margin-bottom: 2px; }

/* 联系我们 + 二维码合并展示 */
.footer-col-contact .footer-contact-body {
  display: flex; align-items: flex-end; justify-content: flex-start; gap: 32px;
}
.footer-contact-info {
  flex: 0 0 auto;
  display: flex; flex-direction: column; gap: 18px;
}
.footer-contact-item {
  display: flex; align-items: flex-start; gap: 12px;
}
.footer-contact-text {
  display: flex; flex-direction: column; gap: 2px;
}
.footer-contact-label {
  font-size: 0.75rem; color: rgba(255,255,255,0.55);
}
.footer-contact-phone {
  font-size: 1.35rem; font-weight: 800; letter-spacing: 0.02em;
  color: #F5A623; /* 截图中的橙色电话 */
  text-decoration: none; transition: opacity 0.25s ease;
}
.footer-contact-phone:hover { opacity: 0.85; }
.footer-contact-email {
  font-size: 0.95rem; color: rgba(255,255,255,0.85);
  text-decoration: none; transition: color 0.25s ease;
}
.footer-contact-email:hover { color: var(--primary); }
.footer-qr-inline {
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  flex-shrink: 0;
}
.footer-qr-inline .footer-qr-img {
  width: 86px; height: 86px;
  padding: 6px;
}
.footer-qr-inline .footer-qr-img svg { width: 36px; height: 36px; }
.footer-qr-inline .footer-qr-text { font-size: 0.7rem; color: rgba(255,255,255,0.65); }

/* 手机端：内页banner标题只保留前面内容，隐藏分隔符和蓝色副标题，避免换行 */
@media (max-width: 768px) {
  .page-title-area h1 .title-sep,
  .page-title-area h1 > em,
  .page-title-area h1 em { display: none; }
}