/* ============================================
   炬欣企业登记代理 - 设计系统 v3.0
   明亮商务风格 · 大量留白 · 鲜亮蓝色
   ============================================ */

/* ── Google Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;500;700;900&family=Plus+Jakarta+Sans:wght@400;500;700;800&display=swap');

/* ── Design Tokens ── */
:root {
  /* Primary: Bright Business Blue */
  --primary-50:  oklch(98% 0.008 255);
  --primary-100: oklch(95% 0.025 255);
  --primary-200: oklch(88% 0.06 255);
  --primary-300: oklch(78% 0.10 255);
  --primary-400: oklch(65% 0.16 255);
  --primary-500: oklch(55% 0.22 255);   /* Bright blue - main brand */
  --primary-600: oklch(48% 0.20 255);
  --primary-700: oklch(40% 0.17 255);
  --primary-800: oklch(32% 0.14 255);
  --primary-900: oklch(24% 0.10 255);

  /* Accent: Warm Orange */
  --accent-400: oklch(75% 0.18 45);
  --accent-500: oklch(68% 0.20 45);
  --accent-600: oklch(58% 0.18 45);
  --accent-warm: oklch(62% 0.22 30);

  /* Gradient shortcuts (bright, not dark) */
  --gradient-primary: linear-gradient(135deg, var(--primary-400), var(--primary-600));
  --gradient-primary-soft: linear-gradient(135deg, var(--primary-100), var(--primary-50));
  --gradient-accent: linear-gradient(135deg, var(--accent-500), var(--accent-warm));
  --gradient-hero: linear-gradient(175deg, #f0f6ff 0%, #ffffff 40%, #f8fbff 100%);
  --gradient-card-hover: linear-gradient(135deg, #f0f6ff, #faf8ff);
  --gradient-icon: linear-gradient(135deg, var(--primary-400), var(--primary-600));
  --gradient-cta: linear-gradient(135deg, var(--primary-500), var(--primary-700) 70%, #1a3a6e);

  /* Neutrals - Cool Gray (bright) */
  --gray-50:  oklch(99% 0.002 255);
  --gray-100: oklch(97% 0.004 255);
  --gray-200: oklch(93% 0.008 255);
  --gray-300: oklch(86% 0.012 255);
  --gray-400: oklch(72% 0.012 255);
  --gray-500: oklch(58% 0.012 255);
  --gray-600: oklch(44% 0.012 255);
  --gray-700: oklch(32% 0.012 255);
  --gray-800: oklch(22% 0.012 255);
  --gray-900: oklch(14% 0.012 255);

  /* Semantic */
  --success: oklch(52% 0.14 145);
  --warning: oklch(72% 0.17 75);
  --error:   oklch(55% 0.20 25);
  --info:    var(--primary-500);

  /* Surfaces - Bright */
  --surface-page:    var(--gray-50);
  --surface-card:    oklch(100% 0 0);
  --surface-overlay: var(--gray-100);

  /* Text */
  --text-primary:   var(--gray-900);
  --text-secondary: var(--gray-600);
  --text-muted:     var(--gray-400);
  --text-on-dark:   oklch(100% 0 0);
  --text-on-brand:  oklch(100% 0 0);

  /* Borders */
  --border-light:  var(--gray-200);
  --border-medium: var(--gray-300);

  /* Typography */
  --font-cn: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-en: 'Plus Jakarta Sans', system-ui, sans-serif;

  --text-xs:   0.75rem;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-lg:   1.125rem;
  --text-xl:   1.25rem;
  --text-2xl:  1.5rem;
  --text-3xl:  1.875rem;
  --text-4xl:  2.25rem;
  --text-5xl:  clamp(2.2rem, 5vw, 3.5rem);

  /* Spacing (8pt grid) */
  --sp-1:  0.25rem;
  --sp-2:  0.5rem;
  --sp-3:  0.75rem;
  --sp-4:  1rem;
  --sp-5:  1.25rem;
  --sp-6:  1.5rem;
  --sp-8:  2rem;
  --sp-10: 2.5rem;
  --sp-12: 3rem;
  --sp-16: 4rem;
  --sp-20: 5rem;
  --sp-24: 6rem;

  /* Radius */
  --radius-sm:   6px;
  --radius-md:   10px;
  --radius-lg:   14px;
  --radius-xl:   20px;
  --radius-2xl:  28px;
  --radius-full: 9999px;

  /* Shadows (soft, not heavy) */
  --shadow-xs:  0 1px 2px 0 oklch(0% 0 0 / 0.03);
  --shadow-sm:  0 1px 4px -1px oklch(0% 0 0 / 0.05), 0 1px 2px -1px oklch(0% 0 0 / 0.04);
  --shadow-md:  0 4px 16px -4px oklch(0% 0 0 / 0.06), 0 2px 6px -2px oklch(0% 0 0 / 0.04);
  --shadow-lg:  0 12px 32px -8px oklch(0% 0 0 / 0.07), 0 4px 12px -4px oklch(0% 0 0 / 0.04);
  --shadow-xl:  0 20px 48px -12px oklch(0% 0 0 / 0.08);
  --shadow-brand: 0 4px 24px -6px oklch(55% 0.22 255 / 0.3);
  --shadow-glow: 0 0 32px oklch(55% 0.22 255 / 0.15);

  /* Transitions */
  --ease-fast:   150ms cubic-bezier(0.4, 0, 0.2, 1);
  --ease-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --ease-slow:   500ms cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out:    400ms cubic-bezier(0, 0, 0.2, 1);
  --ease-bounce:  600ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Layout */
  --container-max:   1280px;
  --container-lg:    1024px;
  --nav-height:      72px;
  --announce-h:      44px;          /* announcement bar height */
  --header-sep:      8px;           /* separator gap between announce & nav */
  --header-offset:   calc(72px + 44px + 8px); /* nav + announce + separator */
}

/* ── Reset & Base ── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-cn);
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--text-primary);
  background: var(--surface-page);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  padding-top: var(--header-offset);
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }
input, textarea, select { font-family: inherit; }

/* ── Container ── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--sp-6);
}

@media (max-width: 768px) {
  .container { padding-inline: var(--sp-4); }
}

/* ── Typography Utilities ── */
.text-xs   { font-size: var(--text-xs); }
.text-sm   { font-size: var(--text-sm); }
.text-base { font-size: var(--text-base); }
.text-lg   { font-size: var(--text-lg); }
.text-xl   { font-size: var(--text-xl); }
.text-2xl  { font-size: var(--text-2xl); }
.text-3xl  { font-size: var(--text-3xl); }
.text-4xl  { font-size: var(--text-4xl); }
.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold   { font-weight: 700; }
.font-black  { font-weight: 900; }

/* ── Section Label (gradient text) ── */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-3);
  font-size: var(--text-sm);
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: var(--sp-3);
}

.section-label::before {
  content: '';
  display: block;
  width: 24px;
  height: 3px;
  background: var(--gradient-primary);
  border-radius: 3px;
  flex-shrink: 0;
}

/* ── Section Title ── */
.section-title {
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.3;
  margin-bottom: var(--sp-3);
  letter-spacing: -0.01em;
}

.section-subtitle {
  font-size: var(--text-base);
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 600px;
  margin-inline: auto;
  margin-bottom: var(--sp-3);
}

/* ── Section Header ── */
.section-header {
  margin-bottom: var(--sp-5);
}
.section-header.center {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-6);
  font-size: var(--text-base);
  font-weight: 700;
  font-family: var(--font-cn);
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  transition: all var(--ease-normal);
  white-space: nowrap;
  user-select: none;
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, oklch(100% 0 0 / 0.12) 0%, transparent 50%);
  opacity: 0;
  transition: opacity var(--ease-fast);
}

.btn:hover::after { opacity: 1; }

.btn:focus-visible {
  outline: 2px solid var(--primary-500);
  outline-offset: 3px;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--text-on-brand);
  border-color: transparent;
  box-shadow: var(--shadow-brand);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px -6px oklch(55% 0.22 255 / 0.4);
}

.btn-accent {
  background: var(--gradient-accent);
  color: oklch(100% 0 0);
  border-color: transparent;
  box-shadow: 0 4px 16px -4px oklch(68% 0.20 45 / 0.35);
}

.btn-accent:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 32px -6px oklch(68% 0.20 45 / 0.4);
}

.btn-outline {
  background: transparent;
  color: var(--primary-500);
  border-color: var(--primary-300);
}

.btn-outline:hover {
  background: var(--primary-500);
  color: var(--text-on-brand);
  border-color: var(--primary-500);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-outline-white {
  background: transparent;
  color: var(--text-on-dark);
  border-color: oklch(100% 0 0 / 0.4);
}

.btn-outline-white:hover {
  background: oklch(100% 0 0 / 0.12);
  border-color: oklch(100% 0 0 / 0.7);
  transform: translateY(-1px);
}

.btn-lg {
  padding: var(--sp-4) var(--sp-8);
  font-size: var(--text-lg);
  border-radius: var(--radius-lg);
}

.btn-sm {
  padding: var(--sp-2) var(--sp-4);
  font-size: var(--text-sm);
}

/* ── Cards ── */
.card {
  background: var(--surface-card);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow var(--ease-normal), transform var(--ease-normal);
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

/* ── Service Card ── */
.service-card {
  background: var(--surface-card);
  border-radius: var(--radius-lg);
  border: 1.5px solid var(--border-light);
  padding: var(--sp-6);
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
  transition: all var(--ease-normal);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

/* Gradient top border on hover */
.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--ease-normal);
}

.service-card::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: var(--gradient-card-hover);
  opacity: 0;
  transition: opacity var(--ease-slow);
  z-index: 0;
  pointer-events: none;
}

.service-card:hover::before { opacity: 1; }
.service-card:hover::after { opacity: 1; }

.service-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
  border-color: var(--primary-200);
}

.service-card > * { position: relative; z-index: 1; }

.service-card-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-lg);
  background: var(--gradient-primary-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-500);
  flex-shrink: 0;
  transition: all var(--ease-normal);
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 14px -4px oklch(55% 0.22 255 / 0.15);
}

.service-card-icon svg {
  width: 24px;
  height: 24px;
  position: relative;
  z-index: 1;
}

.service-card:hover .service-card-icon {
  background: var(--gradient-primary);
  color: white;
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 8px 22px -6px oklch(55% 0.22 255 / 0.45);
}

.service-card-name {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.4;
}

.service-card-desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.6;
  flex: 1;
}

.service-card-price {
  font-size: var(--text-base);
  font-weight: 800;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ── Navigation (clean white) ── */
/* ── Site Header (fixed wrapper) ── */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
}

/* ── Navigation ── */
.nav {
  position: relative;
  top: auto;
  height: var(--nav-height);
  margin-top: var(--header-sep);
  background: oklch(100% 0 0 / 0.92);
  backdrop-filter: blur(20px) saturate(1.8);
  -webkit-backdrop-filter: blur(20px) saturate(1.8);
  border-bottom: 1px solid oklch(0% 0 0 / 0.05);
  transition: box-shadow var(--ease-normal), background var(--ease-normal);
}

.site-header.scrolled .nav {
  box-shadow: var(--shadow-md);
  background: oklch(100% 0 0 / 0.97);
}

.nav-inner {
  display: flex;
  align-items: center;
  height: 100%;
  gap: var(--sp-6);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  flex-shrink: 0;
}

.nav-logo-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 900;
  font-size: 20px;
  letter-spacing: -1px;
  box-shadow: var(--shadow-brand);
  transition: transform var(--ease-bounce);
}

.nav-logo:hover .nav-logo-icon { transform: scale(1.08) rotate(-3deg); }

.nav-logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.nav-logo-name {
  font-size: var(--text-sm);
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: 0.02em;
}

.nav-logo-tagline {
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  flex: 1;
}

.nav-menu-header,
.nav-menu-footer {
  display: none;
}

.nav-menu-scroll {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  flex: 1;
  list-style: none;
  margin: 0;
  padding: 0;
}

/* Hide mobile-only menu embellishments on desktop */
.nav-link-icon,
.nav-link-arrow,
.nav-submenu-toggle {
  display: none;
}

.nav-item { position: relative; }

.nav-link {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: var(--sp-2) var(--sp-3);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  transition: all var(--ease-fast);
  white-space: nowrap;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--primary-500);
  border-radius: 2px;
  transition: all var(--ease-fast);
  transform: translateX(-50%);
}

.nav-link:hover, .nav-link.active {
  color: var(--primary-500);
  background: var(--primary-50);
}

.nav-link:hover::after, .nav-link.active::after { width: 60%; }

.nav-link svg {
  transition: transform var(--ease-fast);
}

.nav-item:hover .nav-link svg { transform: rotate(180deg); }

/* Dropdown */
.nav-dropdown {
  position: absolute;
  top: calc(100% + var(--sp-2));
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  min-width: 200px;
  background: var(--surface-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: var(--sp-2);
  opacity: 0;
  visibility: hidden;
  transition: all var(--ease-normal);
  z-index: 100;
}

.nav-item:hover .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.nav-dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-4);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  transition: all var(--ease-fast);
}

.nav-dropdown-item:hover {
  color: var(--primary-500);
  background: var(--primary-50);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  flex-shrink: 0;
}

.nav-phone {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--text-primary);
  padding: var(--sp-2) var(--sp-3);
  border-radius: var(--radius-md);
  transition: color var(--ease-fast);
}

.nav-phone:hover { color: var(--primary-500); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0;
  cursor: pointer;
  border: none;
  background: transparent;
  border-radius: var(--radius-md);
  transition: background var(--ease-fast);
  position: relative;
  z-index: 1001;
}

.nav-toggle:hover { background: var(--gray-100); }

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform var(--ease-fast), opacity var(--ease-fast);
  transform-origin: center;
}

.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Mobile Nav (full-screen overlay panel) ── */
@media (max-width: 1024px) {
  .nav-phone { display: none; }
  .nav-toggle { display: flex; }

  /* Dark backdrop overlay */
  .nav-overlay {
    position: fixed;
    inset: 0;
    background: oklch(0% 0 0 / 0.5);
    z-index: 1001;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--ease-normal), visibility var(--ease-normal);
  }

  .nav-overlay.open {
    opacity: 1;
    visibility: visible;
  }

  /* Full-screen menu panel slides down from top */
  .nav-menu {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: #ffffff;
    z-index: 1002;
    padding: 0;
    overflow: hidden;
    align-items: stretch;
    transform: translateY(-100%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.35s;
    visibility: hidden;
  }

  .nav-menu.open {
    transform: translateY(0);
    visibility: visible;
  }

  /* Mobile menu header: brand + close button */
  .nav-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--sp-3) var(--sp-4);
    border-bottom: 1px solid var(--border-light);
    flex-shrink: 0;
  }

  .nav-menu-logo {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    text-decoration: none;
  }

  .nav-menu-logo-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background: var(--gradient-primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 18px;
    flex-shrink: 0;
  }

  .nav-menu-logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.25;
  }

  .nav-menu-logo-text span:first-child {
    font-size: var(--text-base);
    font-weight: 800;
    color: var(--text-primary);
  }

  .nav-menu-logo-text span:last-child {
    font-size: 11px;
    color: var(--text-muted);
  }

  .nav-menu-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border: none;
    background: transparent;
    border-radius: var(--radius-md);
    color: var(--primary-500);
    cursor: pointer;
    transition: background var(--ease-fast), color var(--ease-fast);
  }

  .nav-menu-close:hover,
  .nav-menu-close:focus-visible {
    background: var(--primary-50);
    color: var(--primary-600);
  }

  /* Scrollable menu list */
  .nav-menu-scroll {
    flex: 1;
    overflow-y: auto;
    overflow-x: visible;
    padding: var(--sp-2) 0;
    display: flex;
    flex-direction: column;
    align-items: stretch;
  }

  .nav-menu > .nav-item,
  .nav-menu-scroll > .nav-item {
    border-bottom: 1px solid var(--border-light);
  }

  .nav-link {
    width: 100%;
    padding: var(--sp-4);
    font-size: var(--text-lg);
    font-weight: 600;
    justify-content: flex-start;
    gap: var(--sp-3);
    border-radius: 0;
    border-bottom: none;
    color: var(--text-primary);
  }

  .nav-link:hover,
  .nav-link.active {
    background: var(--primary-50);
    color: var(--primary-500);
  }

  .nav-link:hover::after,
  .nav-link.active::after { width: 0; }

  .nav-link-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--primary-50);
    color: var(--primary-500);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
  }

  .nav-link:hover .nav-link-icon,
  .nav-link.active .nav-link-icon {
    background: var(--primary-100);
  }

  .nav-link-arrow {
    margin-left: auto;
    opacity: 0.35;
    flex-shrink: 0;
  }

  /* Submenu (collapsible on mobile) */
  .nav-item.has-submenu {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
  }

  .nav-item.has-submenu > .nav-link {
    flex: 1;
    padding-right: var(--sp-2);
  }

  .nav-submenu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    margin-left: auto;
    margin-right: var(--sp-3);
    border: none;
    background: transparent;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    cursor: pointer;
    transition: background var(--ease-fast), transform var(--ease-fast);
  }

  .nav-submenu-toggle:hover,
  .nav-submenu-toggle:focus-visible {
    background: var(--gray-100);
    color: var(--primary-500);
  }

  .nav-submenu-toggle[aria-expanded="true"] {
    transform: rotate(180deg);
  }

  /* Prevent menu icons from rotating on mobile (only chevron should rotate) */
  .nav-item:hover .nav-link svg,
  .nav-link .nav-link-icon svg {
    transform: none;
  }

  .nav-dropdown {
    position: static;
    transform: none;
    opacity: 1;
    visibility: visible;
    box-shadow: none;
    border: none;
    padding: 0 var(--sp-4) var(--sp-3) calc(var(--sp-4) + 48px);
    margin: 0;
    background: transparent;
    border-radius: 0;
    display: none;
    width: 100%;
  }

  .nav-item:hover .nav-dropdown,
  .nav-item .nav-dropdown,
  .nav-dropdown.open {
    position: static;
    transform: none;
    opacity: 1;
    visibility: visible;
  }

  .nav-dropdown.open {
    display: block;
  }

  .nav-dropdown-item {
    padding: var(--sp-3);
    font-size: var(--text-base);
    border-radius: var(--radius-md);
  }

  /* Mobile menu footer CTA */
  .nav-menu-footer {
    padding: var(--sp-4);
    border-top: 1px solid var(--border-light);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-3);
    flex-shrink: 0;
  }

  .nav-menu-footer .btn {
    justify-content: center;
    width: 100%;
  }
}

/* ── Hero (BRIGHT - light background) ── */
.hero {
  padding-top: var(--sp-10);
  padding-bottom: var(--sp-6);
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
  min-height: auto;
  display: flex;
  align-items: center;
}

/* Light mesh gradient (subtle pastel) */
.hero-mesh {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: 0;
  opacity: 0.6;
}

.hero-mesh-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  animation: blobFloat 14s ease-in-out infinite;
}

.hero-mesh-blob:nth-child(1) {
  width: 500px; height: 500px;
  background: oklch(72% 0.12 255 / 0.35);
  top: -5%; left: -5%;
  animation-delay: 0s;
}
.hero-mesh-blob:nth-child(2) {
  width: 450px; height: 450px;
  background: oklch(85% 0.10 45 / 0.25);
  top: 10%; right: -8%;
  animation-delay: -5s;
  animation-duration: 16s;
}
.hero-mesh-blob:nth-child(3) {
  width: 400px; height: 400px;
  background: oklch(80% 0.08 290 / 0.2);
  bottom: -5%; left: 20%;
  animation-delay: -9s;
  animation-duration: 18s;
}

@keyframes blobFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(40px, -30px) scale(1.08); }
  50% { transform: translate(-30px, 40px) scale(0.96); }
  75% { transform: translate(20px, 20px) scale(1.04); }
}

/* Grid pattern - light */
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(oklch(0% 0 0 / 0.03) 1px, transparent 1px),
    linear-gradient(90deg, oklch(0% 0 0 / 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  z-index: 1;
}

/* Floating particles - light */
.hero-particles {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.hero-particle {
  position: absolute;
  width: 4px; height: 4px;
  background: var(--primary-300);
  border-radius: 50%;
  opacity: 0.4;
  animation: particleFloat 10s linear infinite;
}

@keyframes particleFloat {
  0% { transform: translateY(100vh) scale(0); opacity: 0; }
  10% { opacity: 0.4; }
  90% { opacity: 0.4; }
  100% { transform: translateY(-100px) scale(1); opacity: 0; }
}

.hero-content {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: var(--sp-12);
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  background: var(--primary-50);
  border: 1px solid var(--primary-200);
  color: var(--primary-600);
  padding: var(--sp-2) var(--sp-4);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.03em;
  margin-bottom: var(--sp-6);
  width: fit-content;
}

.hero-badge-dot {
  width: 8px; height: 8px;
  background: var(--accent-500);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
  box-shadow: 0 0 10px oklch(68% 0.20 45 / 0.5);
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.3); }
}

.hero-title {
  font-size: var(--text-5xl);
  font-weight: 900;
  color: var(--text-primary);
  line-height: 1.12;
  margin-bottom: var(--sp-6);
  letter-spacing: -0.02em;
}

.hero-title em {
  font-style: normal;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: var(--sp-6);
  max-width: 520px;
}

.hero-actions {
  display: flex;
  gap: var(--sp-4);
  flex-wrap: wrap;
  margin-bottom: var(--sp-8);
}

.hero-stats {
  display: flex;
  gap: var(--sp-8);
  padding-top: var(--sp-8);
  border-top: 1px solid var(--border-light);
}

.hero-stat-num {
  font-size: var(--text-3xl);
  font-weight: 900;
  color: var(--text-primary);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.hero-stat-num span {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-stat-label {
  font-size: var(--text-xs);
  color: var(--text-muted);
  margin-top: var(--sp-1);
  letter-spacing: 0.02em;
}

/* Hero right: floating cards (bright style) */
.hero-visual {
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
  align-items: flex-end;
  position: relative;
}

.hero-card {
  background: oklch(100% 0 0 / 0.85);
  backdrop-filter: blur(16px) saturate(1.5);
  -webkit-backdrop-filter: blur(16px) saturate(1.5);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: var(--sp-6);
  color: var(--text-primary);
  width: 100%;
  max-width: 360px;
  transition: transform var(--ease-slow), box-shadow var(--ease-slow);
  animation: heroCardFloat 6s ease-in-out infinite;
  box-shadow: var(--shadow-md);
}

.hero-card:nth-child(2) {
  margin-right: var(--sp-8);
  animation-delay: -3s;
}

@keyframes heroCardFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.hero-card:hover {
  transform: translateY(-4px) !important;
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-200);
}

.hero-card-title {
  font-size: var(--text-base);
  font-weight: 700;
  margin-bottom: var(--sp-4);
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  color: var(--text-primary);
}

.hero-card-items {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-3);
}

.hero-card-item {
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
}

.hero-card-item-name {
  font-size: var(--text-xs);
  color: var(--text-muted);
}

.hero-card-item-price {
  font-size: var(--text-base);
  font-weight: 800;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ── Section Wrapper — compact, consistent spacing ── */
.section {
  padding-block: var(--sp-6);
  position: relative;
  overflow: hidden;
}

.section-alt {
  background: var(--gray-50);
}

/* ── Service Grid ── */
.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-5);
}

@media (max-width: 1024px) {
  .service-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
  .service-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .service-grid { grid-template-columns: 1fr; }
}

/* ── Service Tabs (Redesigned) ── */
.service-tabs {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-1);
  background: var(--gray-100);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-full);
  margin: 0 auto var(--sp-5);
  box-shadow: var(--shadow-sm);
  flex-wrap: wrap;
  max-width: fit-content;
}

.service-tab {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-5);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-secondary);
  background: transparent;
  border: none;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  position: relative;
  white-space: nowrap;
}

.service-tab:hover {
  color: var(--primary-600);
  background: rgba(255, 255, 255, 0.6);
}

.service-tab:focus-visible {
  outline: 2px solid var(--primary-300);
  outline-offset: 2px;
}

.service-tab.active {
  color: var(--text-on-brand);
  background: var(--gradient-primary);
  box-shadow: 0 2px 8px rgba(59, 130, 246, 0.25), 0 1px 3px rgba(0, 0, 0, 0.08);
  transform: translateY(-1px);
}

.service-tab .tab-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: currentColor;
  opacity: 0.9;
  transition: transform 0.25s ease;
}

.service-tab.active .tab-icon {
  opacity: 1;
  transform: scale(1.05);
}

/* ── Process Steps ── */
.process-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--sp-5);
  position: relative;
}

.process-step-connector {
  position: absolute;
  top: 28px;
  left: 5%;
  right: 5%;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-200), var(--primary-400), var(--accent-500), var(--primary-200));
  border-radius: 3px;
}

.process-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--sp-4);
  position: relative;
  z-index: 1;
}

.process-step-num {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--surface-card);
  border: 2.5px solid var(--primary-300);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--primary-500);
  position: relative;
  z-index: 1;
  box-shadow: var(--shadow-md);
  transition: all var(--ease-normal);
}

.process-step:hover .process-step-num {
  background: var(--gradient-primary);
  color: white;
  border-color: transparent;
  box-shadow: var(--shadow-brand), 0 0 20px oklch(55% 0.22 255 / 0.25);
  transform: scale(1.1);
}

.process-step-name {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--text-primary);
}

.process-step-desc {
  font-size: var(--text-xs);
  color: var(--text-secondary);
  line-height: 1.5;
}

@media (max-width: 768px) {
  .process-steps { grid-template-columns: repeat(2, 1fr); }
  .process-step-connector { display: none; }
  .process-steps .process-step:last-child { grid-column: span 2; }
}

/* ── Advantage Cards ── */
.advantage-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-6);
}

@media (max-width: 768px) {
  .advantage-grid { grid-template-columns: 1fr; }
}

.advantage-card {
  padding: var(--sp-8) var(--sp-6);
  border-radius: var(--radius-xl);
  border: 1.5px solid var(--border-light);
  background: var(--surface-card);
  box-shadow: var(--shadow-sm);
  transition: all var(--ease-normal);
  position: relative;
  overflow: hidden;
}

.advantage-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--ease-normal);
}

.advantage-card:hover::before { opacity: 1; }

.advantage-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
  border-color: var(--primary-200);
}

.advantage-icon {
  width: 68px; height: 68px;
  border-radius: var(--radius-lg);
  background: var(--gradient-primary-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--sp-5);
  color: var(--primary-500);
  transition: all var(--ease-normal);
  box-shadow: 0 4px 14px -4px oklch(55% 0.22 255 / 0.15);
}

.advantage-icon svg {
  width: 28px;
  height: 28px;
  position: relative;
  z-index: 1;
}

.advantage-card:hover .advantage-icon {
  background: var(--gradient-primary);
  color: white;
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 8px 22px -6px oklch(55% 0.22 255 / 0.45);
}

.advantage-title {
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: var(--sp-3);
}

.advantage-desc {
  font-size: var(--text-base);
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ── Trust Numbers (BRIGHT background) ── */
.trust-numbers {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-6);
}

@media (max-width: 768px) {
  .trust-numbers { grid-template-columns: repeat(2, 1fr); }
}

.trust-num-card {
  text-align: center;
  padding: var(--sp-8) var(--sp-4);
  border-radius: var(--radius-xl);
  background: var(--surface-card);
  border: 1.5px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  transition: all var(--ease-normal);
  position: relative;
  overflow: hidden;
}

.trust-num-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--ease-normal);
}

.trust-num-card:hover::before { opacity: 1; }

.trust-num-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: var(--primary-200);
}

.trust-num {
  font-size: var(--text-4xl);
  font-weight: 900;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  margin-bottom: var(--sp-2);
  font-variant-numeric: tabular-nums;
}

.trust-num em {
  font-style: normal;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.trust-num-label {
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

/* ── Testimonial Cards ── */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-6);
}

@media (max-width: 768px) {
  .testimonial-grid { grid-template-columns: 1fr; }
}

.testimonial-card {
  background: var(--surface-card);
  border: 1.5px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: var(--sp-6);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
  transition: all var(--ease-normal);
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: -4px; left: var(--sp-5);
  font-size: 100px;
  background: var(--gradient-primary-soft);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-family: Georgia, serif;
  line-height: 1;
  font-weight: 900;
}

.testimonial-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: var(--primary-200);
}

.testimonial-stars {
  display: flex;
  gap: 3px;
  margin-bottom: var(--sp-4);
  color: var(--accent-500);
  font-size: var(--text-sm);
}

.testimonial-text {
  font-size: var(--text-base);
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: var(--sp-5);
  position: relative;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.testimonial-avatar {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: var(--text-base);
  color: white;
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}

.testimonial-name {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--text-primary);
}

.testimonial-company {
  font-size: var(--text-xs);
  color: var(--text-muted);
  margin-top: 2px;
}

/* ── CTA Banner (bright blue) ── */
.cta-banner {
  background: var(--gradient-cta);
  border-radius: var(--radius-2xl);
  padding: var(--sp-8) var(--sp-6);
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-brand);
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -60%;
  left: -10%;
  width: 60%;
  height: 220%;
  background: radial-gradient(ellipse, oklch(100% 0 0 / 0.08) 0%, transparent 70%);
  animation: ctaShine 8s ease-in-out infinite;
}

@keyframes ctaShine {
  0%, 100% { transform: translateX(0); }
  50% { transform: translateX(50%); }
}

.cta-banner-title {
  font-size: var(--text-3xl);
  font-weight: 800;
  color: var(--text-on-dark);
  margin-bottom: var(--sp-4);
  position: relative;
}

.cta-banner-desc {
  font-size: var(--text-lg);
  color: oklch(100% 0 0 / 0.75);
  margin-bottom: var(--sp-8);
  max-width: 500px;
  margin-inline: auto;
  position: relative;
}

.cta-banner-actions {
  display: flex;
  gap: var(--sp-4);
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
}

/* ── News List ── */
.news-list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}

.news-item {
  display: flex;
  gap: var(--sp-4);
  padding: var(--sp-4);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  background: var(--surface-card);
  transition: all var(--ease-fast);
}

.news-item:hover {
  border-color: var(--primary-200);
  box-shadow: var(--shadow-md);
  transform: translateX(6px);
}

.news-date {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 56px;
  flex-shrink: 0;
  background: var(--gradient-primary-soft);
  border-radius: var(--radius-md);
  padding: var(--sp-2);
}

.news-date-day {
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--primary-500);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.news-date-month {
  font-size: 10px;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.news-title {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--sp-2);
  line-height: 1.4;
  transition: color var(--ease-fast);
}

.news-item:hover .news-title { color: var(--primary-500); }

.news-excerpt {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ── Footer (dark - OK for footer) ── */
.footer {
  background: var(--gray-900);
  color: oklch(97% 0.005 250 / 0.65);
  padding-top: var(--sp-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--sp-10);
  padding-bottom: var(--sp-12);
  border-bottom: 1px solid oklch(100% 0 0 / 0.08);
}

@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .footer {
    padding-top: var(--sp-6);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-6);
    padding-bottom: var(--sp-8);
  }
  .footer-grid > :first-child {
    grid-column: 1 / -1;
  }
  .footer-section-title {
    margin-bottom: var(--sp-3);
    font-size: var(--text-xs);
    letter-spacing: 0.02em;
  }
  .footer-links {
    gap: var(--sp-2);
  }
  .footer-link {
    font-size: var(--text-xs);
    color: oklch(97% 0.005 250 / 0.55);
  }
  .footer-bottom {
    padding-block: var(--sp-4);
    flex-direction: column;
    text-align: center;
    gap: var(--sp-2);
  }
  .footer-copyright { font-size: var(--text-xs); }
  .footer-icp { font-size: var(--text-xs); }
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  margin-bottom: var(--sp-4);
}

.footer-logo-icon {
  width: 44px; height: 44px;
  border-radius: var(--radius-md);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 900;
  font-size: 20px;
  letter-spacing: -1px;
}

.footer-brand-name {
  font-size: var(--text-base);
  font-weight: 800;
  color: oklch(97% 0.005 250 / 0.9);
  line-height: 1.3;
}

.footer-brand-en {
  font-size: var(--text-xs);
  color: oklch(97% 0.005 250 / 0.4);
  font-family: var(--font-en);
  letter-spacing: 0.04em;
}

.footer-desc {
  font-size: var(--text-sm);
  line-height: 1.7;
  margin-bottom: var(--sp-5);
}

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  font-size: var(--text-sm);
  margin-bottom: var(--sp-3);
  transition: color var(--ease-fast);
}

.footer-contact-item:hover { color: var(--text-on-dark); }

.footer-section-title {
  font-size: var(--text-sm);
  font-weight: 700;
  color: oklch(97% 0.005 250 / 0.9);
  margin-bottom: var(--sp-5);
  letter-spacing: 0.04em;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.footer-link {
  font-size: var(--text-sm);
  transition: color var(--ease-fast);
}

.footer-link:hover { color: var(--primary-300); }

.footer-bottom {
  padding-block: var(--sp-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  flex-wrap: wrap;
}

.footer-copyright { font-size: var(--text-xs); }

.footer-icp { font-size: var(--text-xs); }
.footer-icp a { transition: color var(--ease-fast); }
.footer-icp a:hover { color: var(--primary-300); }

/* ── Floating Contact ── */
.floating-contact {
  position: fixed;
  right: var(--sp-6);
  bottom: var(--sp-6);
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  z-index: 900;
}

.floating-btn {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  font-size: 22px;
  transition: all var(--ease-normal);
  cursor: pointer;
  position: relative;
  border: none;
}

.floating-btn:hover {
  transform: scale(1.12);
  box-shadow: var(--shadow-xl), 0 0 24px oklch(55% 0.22 255 / 0.3);
}

.floating-btn-tooltip {
  position: absolute;
  right: calc(100% + 12px);
  top: 50%;
  transform: translateY(-50%);
  background: var(--gray-900);
  color: white;
  padding: var(--sp-2) var(--sp-3);
  border-radius: var(--radius-md);
  font-size: var(--text-xs);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--ease-fast);
}

.floating-btn:hover .floating-btn-tooltip { opacity: 1; }

.floating-btn-wechat { background: linear-gradient(135deg, #07C160, #06AD56); }
.floating-btn-wechat:hover { box-shadow: var(--shadow-xl), 0 0 24px oklch(45% 0.25 145 / 0.3); }

.floating-btn-top {
  background: var(--gray-700);
  opacity: 0;
  pointer-events: none;
  transition: all var(--ease-normal);
}

.floating-btn-top.visible { opacity: 1; pointer-events: auto; }

/* ── Animations (scroll reveal) ── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(32px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInLeft {
  from { opacity: 0; transform: translateX(-32px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(32px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1); }
}

.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s cubic-bezier(0, 0, 0.2, 1), transform 0.7s cubic-bezier(0, 0, 0.2, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-32px);
  transition: opacity 0.7s cubic-bezier(0, 0, 0.2, 1), transform 0.7s cubic-bezier(0, 0, 0.2, 1);
}

.reveal-left.visible { opacity: 1; transform: translateX(0); }

.reveal-right {
  opacity: 0;
  transform: translateX(32px);
  transition: opacity 0.7s cubic-bezier(0, 0, 0.2, 1), transform 0.7s cubic-bezier(0, 0, 0.2, 1);
}

.reveal-right.visible { opacity: 1; transform: translateX(0); }

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ── Responsive Hero ── */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    gap: var(--sp-10);
  }
  .hero-visual { align-items: center; }
  .hero-card:nth-child(2) { margin-right: 0; }
}

@media (max-width: 640px) {
  .reveal, .reveal-left, .reveal-right {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .hero {
    padding-top: var(--sp-10);
    padding-bottom: var(--sp-6);
  }
  .section {
    padding-block: var(--sp-4);
  }
  .section-header {
    margin-bottom: var(--sp-3);
  }
  .service-tabs {
    margin-bottom: var(--sp-3);
    gap: var(--sp-2);
  }
  .service-tab {
    padding: var(--sp-2) var(--sp-3);
    font-size: var(--text-xs);
  }
  .trust-bar {
    padding: var(--sp-2) 0;
  }
  .hero-title { font-size: var(--text-3xl); }
  .hero-stats { gap: var(--sp-6); flex-wrap: wrap; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
}

/* ── Breadcrumb ── */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--text-sm);
  color: var(--text-muted);
  padding-block: var(--sp-4);
}
.breadcrumb-sep { color: var(--gray-300); }
.breadcrumb-link { color: var(--text-secondary); transition: color var(--ease-fast); }
.breadcrumb-link:hover { color: var(--primary-500); }
.breadcrumb-current { color: var(--text-primary); font-weight: 500; }

/* ── Tag Badge ── */
.tag {
  display: inline-flex;
  align-items: center;
  padding: var(--sp-1) var(--sp-3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 700;
}
.tag-primary { background: var(--primary-100); color: var(--primary-700); }
.tag-accent  { background: oklch(95% 0.05 45); color: var(--accent-600); }
.tag-success { background: oklch(95% 0.05 145); color: oklch(38% 0.14 145); }

/* ── Partner Strip ── */
/* ── Trust Bar (compact, between hero & services) ── */
.trust-bar {
  padding: var(--sp-3) 0;
  background: linear-gradient(90deg,
    oklch(97% 0.01 250),
    oklch(98% 0.005 250),
    oklch(97% 0.01 250)
  );
  border-bottom: 1px solid var(--border-light);
}

.trust-bar-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-3);
  flex-wrap: wrap;
}

.trust-bar-label {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.06em;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

.trust-bar-items {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  flex-wrap: wrap;
}

.trust-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 999px;
  background: white;
  border: 1px solid var(--border-light);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--text-secondary);
  box-shadow: 0 1px 2px rgb(0 0 0 / 0.03);
  transition: all var(--ease-fast);
  white-space: nowrap;
}

.trust-badge:hover {
  border-color: var(--primary-200);
  color: var(--primary-600);
  box-shadow: 0 2px 8px rgb(59 130 246 / 0.1);
  transform: translateY(-1px);
}

.trust-badge-icon {
  width: 20px; height: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 800;
  color: white;
  flex-shrink: 0;
}

.trust-bar-cta {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 5px 16px;
  border-radius: 999px;
  background: var(--gradient-accent);
  color: white;
  font-size: var(--text-xs);
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 2px 8px rgb(245 158 11 / 0.3);
  transition: all var(--ease-fast);
  white-space: nowrap;
}

.trust-bar-cta:hover {
  transform: translateY(-1px) scale(1.03);
  box-shadow: 0 4px 14px rgb(245 158 11 / 0.4);
}

/* ── Announcement Bar (bright gradient) ── */
.announcement-bar {
  background: linear-gradient(90deg, var(--primary-500), var(--primary-600), var(--primary-500));
  background-size: 200% 100%;
  animation: announcementSlide 6s linear infinite;
  color: white;
  font-size: var(--text-sm);
  text-align: center;
  padding: 10px var(--sp-4);
  font-weight: 600;
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  justify-content: center;
  height: var(--announce-h);
  box-sizing: border-box;
  line-height: 1.5;
}

@keyframes announcementSlide {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.announcement-bar a {
  color: #ffe0b2;
  font-weight: 700;
  text-decoration: underline;
  text-decoration-color: transparent;
  transition: text-decoration-color var(--ease-fast);
}

.announcement-bar a:hover { text-decoration-color: #ffe0b2; }

/* ── Service panel ── */
.service-panel { display: none; }
.service-panel.active { display: grid; }