/* ==========================================================================
   添翼软件 (Tianyi Software · tecdao.com) 官方网站样式表 v5.0
   设计语言：现代工业 SaaS —— 蓝图网格 + 极光渐变 + 聚光卡片 (Spotlight Cards)
   品牌主色: 深海藏蓝 #0B192C | 活力橙 #FF6B00 | 赛博青 #00D2FF
   ========================================================================== */

:root {
  /* --- 品牌色板 --- */
  --primary-navy: #0B192C;
  --primary-navy-dark: #06111E;
  --primary-navy-light: #162E4A;
  --accent-orange: #EA580C;
  --accent-orange-bright: #FF6B00;
  --accent-orange-hover: #C2410C;
  --accent-cyan: #0284C7;
  --accent-cyan-bright: #00D2FF;
  --accent-cyan-glow: rgba(0, 210, 255, 0.4);

  /* --- 背景 --- */
  --bg-white: #FFFFFF;
  --bg-slate: #F8FAFC;
  --bg-dock: #F1F5F9;

  /* --- 描边 (Hairline Borders) --- */
  --border-color: #E7EDF4;
  --border-strong: #D8E1EC;

  /* --- 玻璃拟态变量 (子页面内联样式仍在引用，保持兼容) --- */
  --glass-bg-header: rgba(255, 255, 255, 0.78);
  --glass-bg-card: linear-gradient(180deg, rgba(255, 255, 255, 0.94) 0%, rgba(255, 255, 255, 0.82) 100%);
  --glass-bg-hover: linear-gradient(180deg, rgba(255, 255, 255, 0.99) 0%, rgba(255, 255, 255, 0.9) 100%);
  --glass-bg-deep: linear-gradient(135deg, rgba(11, 25, 44, 0.94) 0%, rgba(6, 17, 30, 0.98) 100%);
  --glass-border-3d: 1px solid rgba(15, 39, 68, 0.09);
  --glass-blur-sm: blur(12px);
  --glass-blur-md: blur(22px);
  --glass-blur-lg: blur(32px);

  /* --- 现代分层投影 --- */
  --shadow-3d-card: 0 1px 2px rgba(11, 25, 44, 0.05),
                    0 16px 40px -16px rgba(11, 25, 44, 0.13);
  --shadow-3d-hover: 0 2px 4px rgba(11, 25, 44, 0.06),
                    0 28px 60px -18px rgba(11, 25, 44, 0.2),
                    0 0 0 1px rgba(255, 107, 0, 0.08);
  --shadow-sm: 0 1px 2px rgba(11, 25, 44, 0.05), 0 4px 14px -6px rgba(11, 25, 44, 0.07);
  --shadow-md: 0 10px 30px -10px rgba(11, 25, 44, 0.12);
  --shadow-lg: 0 25px 55px -15px rgba(11, 25, 44, 0.18);
  --shadow-glow-orange: 0 0 0 4px rgba(255, 107, 0, 0.12), 0 14px 30px -10px rgba(255, 107, 0, 0.4);

  /* --- 文字颜色 (高对比度可读性体系) --- */
  --text-main: #0F1F33;
  --text-muted: #3D4C63;
  --text-light: #6B7A93;
  --text-white: #FFFFFF;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;

  /* --- 圆角与缓动 --- */
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --ease-spring: cubic-bezier(0.16, 1, 0.3, 1);
  --transition: all 0.35s var(--ease-spring);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 110px;
  font-size: 16px;
}

html, body {
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
  position: relative;
}

body {
  font-family: var(--font-sans);
  color: var(--text-main);
  background-color: #F7F9FC;
  background-image:
    radial-gradient(at 100% 0%, rgba(0, 210, 255, 0.07) 0px, transparent 50%),
    radial-gradient(at 0% 50%, rgba(255, 107, 0, 0.05) 0px, transparent 50%),
    radial-gradient(at 100% 100%, rgba(15, 39, 68, 0.04) 0px, transparent 50%);
  background-attachment: fixed;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button, input, select, textarea {
  font-family: inherit;
}

::selection {
  background: rgba(255, 107, 0, 0.22);
  color: var(--primary-navy);
}

:focus-visible {
  outline: 3px solid rgba(255, 107, 0, 0.5);
  outline-offset: 2px;
  border-radius: 6px;
}

/* 细腻滚动条 */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: #F1F5F9; }
::-webkit-scrollbar-thumb {
  background: #C3CFDD;
  border-radius: 8px;
  border: 2px solid #F1F5F9;
}
::-webkit-scrollbar-thumb:hover { background: #A9B9CC; }

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ==========================================================================
   顶部阅读进度条 + 返回顶部按钮
   ========================================================================== */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  z-index: 1300;
  background: linear-gradient(90deg, var(--accent-orange-bright), var(--accent-cyan-bright));
  border-radius: 0 3px 3px 0;
  box-shadow: 0 0 10px rgba(255, 107, 0, 0.35);
  transition: width 0.08s linear;
  pointer-events: none;
}

.back-to-top {
  position: fixed;
  right: 22px;
  bottom: 24px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: var(--primary-navy);
  font-size: 1.15rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: var(--transition);
  z-index: 1150;
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--primary-navy);
  color: #FFFFFF;
  border-color: var(--primary-navy);
  transform: translateY(-4px);
}

.back-to-top svg {
  width: 20px;
  height: 20px;
}

.back-to-top svg {
  width: 20px;
  height: 20px;
}

/* ==========================================================================
   动态背景发光浮动光斑 (Ambient Floating Orbs)
   ========================================================================== */
.ambient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.6;
  animation: orbDrift 18s ease-in-out infinite alternate;
}

.ambient-orb-cyan {
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, rgba(0, 210, 255, 0.26) 0%, rgba(0, 210, 255, 0) 70%);
}

.ambient-orb-orange {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255, 107, 0, 0.2) 0%, rgba(255, 107, 0, 0) 70%);
}

.ambient-orb-navy {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(15, 39, 68, 0.13) 0%, rgba(15, 39, 68, 0) 70%);
}

@keyframes orbDrift {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(40px, -30px) scale(1.08); }
  100% { transform: translate(-30px, 40px) scale(0.96); }
}

/* ==========================================================================
   滚动入场动画 (Scroll Reveal + 微模糊聚焦)
   ========================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  filter: blur(5px);
  transition:
    opacity 0.8s var(--ease-spring),
    transform 0.8s var(--ease-spring),
    filter 0.8s var(--ease-spring);
  will-change: opacity, transform;
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
  filter: blur(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; }

/* ==========================================================================
   通用标签与排版
   ========================================================================== */
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px;
  background: linear-gradient(135deg, rgba(255, 107, 0, 0.08) 0%, rgba(255, 107, 0, 0.03) 100%);
  border: 1px solid rgba(234, 88, 12, 0.28);
  color: #C2410C;
  font-weight: 700;
  font-size: 0.82rem;
  border-radius: 9999px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 18px;
  box-shadow: 0 2px 8px rgba(234, 88, 12, 0.08);
}

.section-tag::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.75;
  flex-shrink: 0;
}

.section-tag.cyan {
  background: linear-gradient(135deg, rgba(0, 210, 255, 0.09) 0%, rgba(0, 210, 255, 0.03) 100%);
  border-color: rgba(2, 132, 199, 0.3);
  color: #0369A1;
  box-shadow: 0 2px 8px rgba(2, 132, 199, 0.1);
}

.section-title {
  font-size: clamp(1.8rem, 3.4vw, 2.5rem);
  font-weight: 900;
  color: var(--primary-navy);
  line-height: 1.22;
  margin-bottom: 16px;
  letter-spacing: -0.025em;
  text-wrap: balance;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 680px;
  margin-bottom: 48px;
  line-height: 1.7;
}

/* 子页面通用页首 (各页面内联样式仅覆盖 padding 与背景色) */
.page-hero {
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(11, 25, 44, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(11, 25, 44, 0.04) 1px, transparent 1px);
  background-size: 44px 44px;
  -webkit-mask-image: radial-gradient(ellipse 75% 85% at 50% 0%, black 25%, transparent 78%);
  mask-image: radial-gradient(ellipse 75% 85% at 50% 0%, black 25%, transparent 78%);
  pointer-events: none;
}

.page-hero > .container { position: relative; z-index: 1; }

/* ==========================================================================
   Header & Navbar (悬浮胶囊玻璃导航)
   ========================================================================== */
.site-header {
  position: fixed;
  top: 14px;
  left: 0;
  right: 0;
  margin: 0 auto;
  width: min(1240px, calc(100% - 24px));
  z-index: 1100;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 999px;
  box-shadow:
    0 1px 2px rgba(11, 25, 44, 0.05),
    0 12px 32px -12px rgba(11, 25, 44, 0.18),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
  transition: var(--transition);
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.9);
  box-shadow:
    0 1px 2px rgba(11, 25, 44, 0.06),
    0 16px 40px -14px rgba(11, 25, 44, 0.24),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

/* 不支持 backdrop-filter 时的降级 */
@supports not ((backdrop-filter: blur(4px)) or (-webkit-backdrop-filter: blur(4px))) {
  .site-header { background: rgba(255, 255, 255, 0.97); }
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 62px;
}

.nav-brand {
  display: flex;
  align-items: center;
}

.brand-logo {
  height: 52px;
  max-height: 52px;
  width: auto;
  object-fit: contain;
  transition: var(--transition);
  background: transparent !important;
  display: block;
}

.brand-logo:hover {
  transform: scale(1.03);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 30px;
  list-style: none;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-muted);
  padding: 8px 0;
  position: relative;
  transition: color 0.25s ease;
}

.nav-link:hover, .nav-link.active {
  color: var(--accent-orange);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2.5px;
  background: linear-gradient(90deg, var(--accent-orange), var(--accent-cyan));
  border-radius: 2px;
  transition: width 0.35s var(--ease-spring);
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* ==========================================================================
   按钮系统 (微光扫射 + 按压反馈)
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 24px;
  font-size: 0.95rem;
  font-weight: 700;
  border-radius: 12px;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn:active { transform: scale(0.97); }

.btn-primary {
  background: linear-gradient(135deg, #FF8A00 0%, #FF5C00 60%, #F04E00 100%);
  color: #FFFFFF;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.35),
    0 1px 2px rgba(240, 78, 0, 0.3),
    0 10px 24px -8px rgba(255, 92, 0, 0.55);
}

.btn-primary::after {
  content: '';
  position: absolute;
  top: 0;
  left: -120%;
  width: 60%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  transform: skewX(-20deg);
  transition: left 0.7s ease;
}

.btn-primary:hover::after {
  left: 160%;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.35),
    0 2px 4px rgba(240, 78, 0, 0.3),
    0 16px 34px -10px rgba(255, 92, 0, 0.65);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(8px);
  color: var(--primary-navy);
  border: 1.5px solid var(--border-strong);
}

.btn-outline:hover {
  border-color: var(--primary-navy);
  background: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.btn-navy {
  background: var(--primary-navy);
  color: #FFFFFF;
  box-shadow: 0 10px 24px -10px rgba(11, 25, 44, 0.5);
}

.btn-navy:hover {
  background: var(--primary-navy-light);
  transform: translateY(-2px);
  box-shadow: 0 16px 32px -12px rgba(11, 25, 44, 0.55);
}

.nav-menu-mobile-btn {
  display: none;
}

.mobile-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--primary-navy);
  cursor: pointer;
  padding: 4px;
}

.mobile-toggle svg {
  width: 26px;
  height: 26px;
}

.mobile-toggle .icon-close {
  display: none;
}

.mobile-toggle.open .icon-menu {
  display: none;
}

.mobile-toggle.open .icon-close {
  display: block;
}

.mobile-toggle .icon-close {
  display: none;
}

.mobile-toggle.open .icon-menu {
  display: none;
}

.mobile-toggle.open .icon-close {
  display: block;
}

.hero-section,
.products-section,
.mascot-section,
.custom-service-section,
.why-us-section,
.contact-cta-section {
  position: relative;
  overflow: hidden;
}

/* ==========================================================================
   首屏 Hero (蓝图网格 + 极光渐变 + 渐变标题)
   ========================================================================== */
.hero-section {
  padding: 172px 0 110px;
}

/* 工程蓝图网格底纹，向下渐隐 */
.hero-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(11, 25, 44, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(11, 25, 44, 0.045) 1px, transparent 1px);
  background-size: 44px 44px;
  -webkit-mask-image: radial-gradient(ellipse 85% 70% at 50% 0%, black 20%, transparent 75%);
  mask-image: radial-gradient(ellipse 85% 70% at 50% 0%, black 20%, transparent 75%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-badge-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px;
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 9999px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary-navy);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.hero-badge:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.hero-badge .pulse-dot {
  width: 8px;
  height: 8px;
  background: #10B981;
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.22);
  animation: pulseGlow 2s infinite;
  flex-shrink: 0;
}

@keyframes pulseGlow {
  0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.55); }
  70% { box-shadow: 0 0 0 9px rgba(16, 185, 129, 0); }
  100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.hero-title {
  font-size: clamp(2.5rem, 5.4vw, 4rem);
  font-weight: 900;
  line-height: 1.12;
  color: var(--primary-navy);
  margin-bottom: 24px;
  letter-spacing: -0.035em;
  text-wrap: balance;
}

.hero-title .highlight-orange {
  color: var(--accent-orange);
  background: linear-gradient(135deg, #FF8A00 0%, #FF4D00 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-title .highlight-cyan {
  background: linear-gradient(135deg, #0284C7 0%, var(--accent-cyan-bright) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 580px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding-top: 28px;
  border-top: 1px solid rgba(216, 225, 236, 0.9);
}

.stat-item .stat-num {
  font-size: 2.25rem;
  font-weight: 900;
  color: var(--primary-navy);
  line-height: 1;
  margin-bottom: 6px;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}

.stat-item .stat-num span {
  color: var(--accent-orange);
}

.stat-item .stat-label {
  font-size: 0.875rem;
  color: var(--text-muted);
  font-weight: 600;
}

/* Hero 媒体卡：3D 透视 + 聚光 */
.hero-media {
  position: relative;
  display: flex;
  justify-content: center;
}

.hero-visual-card {
  position: relative;
  width: 100%;
  max-width: 460px;
  background: var(--glass-bg-card);
  backdrop-filter: blur(28px) saturate(160%);
  -webkit-backdrop-filter: blur(28px) saturate(160%);
  border-radius: var(--radius-xl);
  padding: 30px;
  box-shadow: var(--shadow-3d-card);
  border: 1px solid rgba(255, 255, 255, 0.9);
  transform: perspective(1200px) rotateY(-4deg) rotateX(2deg);
  transition: transform 0.6s var(--ease-spring), box-shadow 0.6s ease;
}

.hero-visual-card::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(255, 107, 0, 0.35), rgba(0, 210, 255, 0.3) 55%, transparent 80%);
  -webkit-mask: linear-gradient(#000, #000) content-box, linear-gradient(#000, #000);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#000, #000) content-box, linear-gradient(#000, #000);
  mask-composite: exclude;
  padding: 1px;
  pointer-events: none;
}

.hero-visual-card:hover {
  transform: perspective(1200px) rotateY(0deg) rotateX(0deg) translateY(-10px);
  box-shadow: var(--shadow-3d-hover);
}

.hero-card-img {
  width: 100%;
  border-radius: var(--radius-lg);
  padding: 10px;
  background: #FFFFFF;
  box-shadow: 0 12px 28px -8px rgba(11, 25, 44, 0.12), inset 0 1px 1px rgba(255, 255, 255, 1);
  margin-bottom: 12px;
}

.floating-pill {
  position: absolute;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  padding: 11px 20px;
  border-radius: 9999px;
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--primary-navy);
  border: 1px solid rgba(255, 255, 255, 0.95);
  animation: floatAnim 5.5s ease-in-out infinite;
  z-index: 2;
}

.floating-pill.pill-1 {
  top: -16px;
  left: -24px;
  animation-delay: 0s;
}

.floating-pill.pill-2 {
  bottom: 26px;
  right: -28px;
  animation-delay: 2.75s;
}

.floating-pill .pill-icon {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(255, 107, 0, 0.14), rgba(255, 107, 0, 0.06));
  color: var(--accent-orange);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.floating-pill .pill-icon svg {
  width: 17px;
  height: 17px;
}

@keyframes floatAnim {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

/* ==========================================================================
   产品矩阵 Section (聚光玻璃卡片)
   ========================================================================== */
.products-section {
  padding: 120px 0;
  position: relative;
}

.product-tabs-header {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 6px;
  width: fit-content;
  margin: 0 auto 56px;
  padding: 6px;
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border-color);
  border-radius: 999px;
  box-shadow: var(--shadow-sm);
}

.tab-btn {
  padding: 10px 22px;
  border-radius: 999px;
  background: transparent;
  border: none;
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition);
}

.tab-btn:hover {
  color: var(--primary-navy);
  background: rgba(15, 39, 68, 0.05);
}

.tab-btn.active {
  background: var(--primary-navy);
  color: #FFFFFF;
  box-shadow: 0 8px 20px -8px rgba(11, 25, 44, 0.5);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.product-card {
  background: var(--glass-bg-card);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  padding: 30px 26px;
  box-shadow: var(--shadow-3d-card);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

/* 卡片顶部渐变签名线 */
.product-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3.5px;
  background: linear-gradient(90deg, #FF6B00, #00D2FF);
  opacity: 0;
  transition: opacity 0.35s ease;
}

/* 鼠标聚光灯 (Spotlight) —— main.js 写入 --mx / --my */
.product-card::after,
.feature-card::after,
.m-value-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(520px circle at var(--mx, 50%) var(--my, 50%), rgba(255, 107, 0, 0.075), transparent 46%);
  opacity: 0;
  transition: opacity 0.45s ease;
  pointer-events: none;
}

.product-card:hover {
  transform: translateY(-6px);
  background: var(--glass-bg-hover);
  border-color: rgba(255, 107, 0, 0.35);
  box-shadow: var(--shadow-3d-hover);
}

.product-card:hover::before,
.feature-card:hover::after,
.m-value-card:hover::after {
  opacity: 1;
}

/* 产品图片展示底座 */
.product-img-dock {
  margin-bottom: 22px;
  padding: 14px;
  background: linear-gradient(180deg, #F8FAFC 0%, #EEF3F8 100%);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  box-shadow: inset 0 2px 4px rgba(11, 25, 44, 0.04);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.product-img-dock img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  border-radius: 9px;
  box-shadow: 0 4px 14px rgba(11, 25, 44, 0.1);
  transition: var(--transition);
}

.product-card:hover .product-img-dock img {
  transform: scale(1.03);
  box-shadow: 0 10px 22px rgba(11, 25, 44, 0.16);
}

.product-card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 18px;
}

.product-tag {
  font-size: 0.75rem;
  font-weight: 800;
  padding: 5px 13px;
  background: rgba(15, 39, 68, 0.06);
  color: var(--primary-navy);
  border-radius: 9999px;
  letter-spacing: 0.05em;
}

.product-icon-wrap {
  width: 54px;
  height: 54px;
  border-radius: 15px;
  background: linear-gradient(135deg, rgba(255, 107, 0, 0.1), rgba(0, 210, 255, 0.1));
  border: 1px solid rgba(255, 107, 0, 0.14);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-orange);
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.9);
  transition: var(--transition);
}

.product-icon-wrap svg {
  width: 26px;
  height: 26px;
}

.product-card:hover .product-icon-wrap {
  transform: scale(1.08) rotate(-4deg);
  background: linear-gradient(135deg, rgba(255, 107, 0, 0.16), rgba(0, 210, 255, 0.14));
}

.product-title {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--primary-navy);
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.product-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 24px;
  flex-grow: 1;
}

.product-features-list {
  list-style: none;
  margin-bottom: 26px;
  border-top: 1px solid var(--border-color);
  padding-top: 18px;
}

.product-features-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.875rem;
  color: var(--text-main);
  margin-bottom: 10px;
  font-weight: 500;
}

.product-features-list li::before {
  content: '✓';
  font-size: 0.68rem;
  font-weight: 900;
  color: #0E9F6E;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(16, 185, 129, 0.12);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.product-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--accent-orange);
}

.link-arrow:hover {
  gap: 10px;
  color: var(--accent-orange-hover);
}

/* ==========================================================================
   吉祥物 IP Section (品牌展台 + 暖橙辉光)
   ========================================================================== */
.mascot-section {
  padding: 110px 0;
  position: relative;
}

.mascot-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 64px;
  align-items: center;
}

.mascot-image-box {
  position: relative;
  text-align: center;
  padding: 36px 28px;
  background: var(--glass-bg-card);
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow-3d-card);
}

/* 展台暖色辉光 */
.mascot-image-box::before {
  content: '';
  position: absolute;
  bottom: -40px;
  left: 50%;
  transform: translateX(-50%);
  width: 70%;
  height: 120px;
  background: radial-gradient(ellipse, rgba(255, 107, 0, 0.18) 0%, transparent 70%);
  filter: blur(20px);
  pointer-events: none;
}

.mascot-main-img {
  max-width: 360px;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  box-shadow: 0 16px 36px rgba(11, 25, 44, 0.14);
  border: 3px solid #FFFFFF;
  position: relative;
  z-index: 1;
  transition: var(--transition);
}

.mascot-main-img:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 26px 52px rgba(11, 25, 44, 0.2), var(--shadow-glow-orange);
}

.mascot-badge-float {
  position: absolute;
  bottom: -18px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, #0B192C 0%, #162E4A 100%);
  color: #FFFFFF;
  padding: 10px 24px;
  border-radius: 9999px;
  font-weight: 800;
  font-size: 0.95rem;
  box-shadow: 0 10px 26px rgba(11, 25, 44, 0.35);
  white-space: nowrap;
  border: 1.5px solid rgba(255, 255, 255, 0.25);
  z-index: 2;
}

.mascot-content h2 {
  font-size: clamp(1.8rem, 3.4vw, 2.5rem);
  font-weight: 900;
  color: var(--primary-navy);
  margin-bottom: 20px;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.mascot-content p {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 24px;
}

.mascot-values-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 32px;
}

.m-value-card {
  position: relative;
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  padding: 22px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  overflow: hidden;
}

.m-value-card:hover {
  transform: translateY(-4px);
  background: #FFFFFF;
  border-color: rgba(255, 107, 0, 0.3);
  box-shadow: var(--shadow-md);
}

.m-value-title {
  font-size: 1rem;
  font-weight: 800;
  color: var(--primary-navy);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.m-value-title span {
  color: var(--accent-orange);
  display: inline-flex;
}

.m-value-title span svg {
  width: 19px;
  height: 19px;
}

.m-value-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* ==========================================================================
   定制服务 Section (深海蓝图 Banner)
   ========================================================================== */
.custom-service-section {
  padding: 120px 0;
  position: relative;
}

.service-banner {
  background: linear-gradient(135deg, rgba(15, 39, 68, 0.96) 0%, rgba(7, 21, 38, 0.98) 100%);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 64px;
  color: #FFFFFF;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: center;
  position: relative;
  overflow: hidden;
  box-shadow: 0 30px 70px -18px rgba(7, 21, 38, 0.55);
}

/* 暗面蓝图网格 */
.service-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 40px 40px;
  -webkit-mask-image: radial-gradient(ellipse 70% 90% at 72% 8%, black, transparent 75%);
  mask-image: radial-gradient(ellipse 70% 90% at 72% 8%, black, transparent 75%);
  pointer-events: none;
}

.service-banner::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0, 210, 255, 0.22) 0%, transparent 70%);
  pointer-events: none;
  animation: pulseGlow 6s ease-in-out infinite alternate;
}

.service-banner > div { position: relative; z-index: 1; }

.service-title {
  font-size: clamp(1.8rem, 3.4vw, 2.5rem);
  font-weight: 800;
  line-height: 1.28;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.service-title span {
  background: linear-gradient(135deg, #FF8A00, #FF5C00);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.service-desc {
  font-size: 1.05rem;
  color: #C3D0E0;
  margin-bottom: 32px;
  line-height: 1.7;
}

.service-tags-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 36px;
}

.service-pill {
  padding: 7px 16px;
  background: rgba(255, 255, 255, 0.07);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 9999px;
  font-size: 0.875rem;
  color: #DEE7F2;
  transition: var(--transition);
}

.service-pill:hover {
  background: rgba(255, 255, 255, 0.13);
  border-color: rgba(0, 210, 255, 0.45);
  transform: translateY(-2px);
}

.service-img-wrap img {
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.18);
  transition: var(--transition);
}

.service-img-wrap img:hover {
  transform: scale(1.02);
}

/* ==========================================================================
   为什么选择添翼 (四大支柱)
   ========================================================================== */
.why-us-section {
  padding: 110px 0;
  position: relative;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.feature-card {
  position: relative;
  background: var(--glass-bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 34px 26px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-3d-card);
  transition: var(--transition);
  overflow: hidden;
}

.feature-card:hover {
  transform: translateY(-6px);
  background: var(--glass-bg-hover);
  box-shadow: var(--shadow-3d-hover);
  border-color: rgba(255, 107, 0, 0.35);
}

.feature-icon-circle {
  width: 54px;
  height: 54px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(255, 107, 0, 0.14) 0%, rgba(255, 107, 0, 0.05) 100%);
  border: 1px solid rgba(255, 107, 0, 0.2);
  color: var(--accent-orange);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.9);
  transition: var(--transition);
}

.feature-icon-circle svg {
  width: 25px;
  height: 25px;
}

.feature-card:hover .feature-icon-circle {
  transform: scale(1.08) rotate(-4deg);
  background: linear-gradient(135deg, rgba(255, 107, 0, 0.22) 0%, rgba(255, 107, 0, 0.09) 100%);
}

.feature-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--primary-navy);
  margin-bottom: 12px;
}

.feature-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ==========================================================================
   预约演示与咨询表单 (双栏大卡)
   ========================================================================== */
.contact-cta-section {
  padding: 120px 0;
  position: relative;
}

.contact-card-box {
  background: var(--glass-bg-card);
  backdrop-filter: blur(32px);
  -webkit-backdrop-filter: blur(32px);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow-3d-card);
  padding: 60px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.contact-info-col h2 {
  font-size: clamp(1.8rem, 3.4vw, 2.5rem);
  font-weight: 900;
  color: var(--primary-navy);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.contact-info-col p {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 36px;
}

.contact-meta-list {
  list-style: none;
}

.contact-meta-item {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}

.contact-meta-icon {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(255, 107, 0, 0.1), rgba(0, 210, 255, 0.1));
  border: 1px solid rgba(255, 107, 0, 0.14);
  color: var(--accent-orange);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-meta-icon svg {
  width: 21px;
  height: 21px;
}

.contact-meta-text .label {
  font-size: 0.78rem;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.contact-meta-text .val {
  font-weight: 700;
  color: var(--primary-navy);
  font-size: 1.02rem;
}

/* 表单组件 */
.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--primary-navy);
  margin-bottom: 8px;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 13px 16px;
  border: 1.5px solid var(--border-strong);
  border-radius: 12px;
  font-size: 0.95rem;
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.9);
  transition: var(--transition);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: #9AA8BC;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  background: #FFFFFF;
  border-color: var(--accent-orange);
  box-shadow: 0 0 0 4px rgba(255, 107, 0, 0.14);
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
}

/* ==========================================================================
   Footer (深空导航蓝 + 极光签名线)
   ========================================================================== */
.site-footer {
  background: linear-gradient(180deg, #0A1A2F 0%, var(--primary-navy-dark) 100%);
  color: #FFFFFF;
  padding: 80px 0 32px;
  position: relative;
  z-index: 1;
}

/* 顶部极光签名线 */
.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1.5px;
  background: linear-gradient(90deg, transparent 5%, rgba(255, 107, 0, 0.55) 35%, rgba(0, 210, 255, 0.55) 65%, transparent 95%);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 64px;
}

.footer-brand .brand-logo {
  height: 52px;
  width: auto;
  margin-bottom: 20px;
  background: rgba(255, 255, 255, 0.95);
  padding: 8px 16px;
  border-radius: var(--radius-md);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.site-header .brand-logo {
  background: transparent !important;
  padding: 0 !important;
  border: none !important;
  box-shadow: none !important;
}

.footer-brand-desc {
  font-size: 0.9rem;
  color: #8FA1B8;
  line-height: 1.7;
  max-width: 320px;
  margin-bottom: 24px;
}

.footer-heading {
  font-size: 0.95rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  font-size: 0.9rem;
  color: #8FA1B8;
  display: inline-block;
}

.footer-links a:hover {
  color: #FFB27A;
  transform: translateX(4px);
}

.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: #64748B;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-bottom-links {
  display: flex;
  gap: 24px;
}

.footer-bottom-links a:hover {
  color: #FFB27A;
}

/* ==========================================================================
   Modal 弹窗
   ========================================================================== */
.preview-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(6, 15, 28, 0.62);
  backdrop-filter: blur(16px) saturate(120%);
  -webkit-backdrop-filter: blur(16px) saturate(120%);
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.preview-modal.show {
  display: flex;
  opacity: 1;
}

.modal-dialog {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  max-width: 900px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 40px 90px -20px rgba(6, 15, 28, 0.5);
  position: relative;
  padding: 36px;
  transform: scale(0.95) translateY(8px);
  transition: transform 0.35s var(--ease-spring);
}

.preview-modal.show .modal-dialog {
  transform: scale(1) translateY(0);
}

.modal-close {
  position: absolute;
  top: 18px;
  right: 18px;
  background: rgba(15, 39, 68, 0.06);
  border: 1px solid var(--border-color);
  width: 38px;
  height: 38px;
  border-radius: 50%;
  color: var(--primary-navy);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.modal-close svg {
  width: 17px;
  height: 17px;
}

.modal-close:hover {
  background: var(--accent-orange);
  border-color: var(--accent-orange);
  color: #FFFFFF;
  transform: rotate(90deg);
}

/* ==========================================================================
   Responsive Media Queries
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-title { font-size: clamp(2.3rem, 5vw, 3rem); }
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-media { order: 1; }
  .products-grid { grid-template-columns: repeat(2, 1fr); gap: 22px; }
  .features-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .service-banner { grid-template-columns: 1fr; padding: 40px; gap: 36px; }
  .contact-card-box { grid-template-columns: 1fr; padding: 40px; gap: 40px; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 36px; }
}

@media (max-width: 768px) {
  html { scroll-padding-top: 96px; }

  /* 基础容器安全收边 */
  .container {
    padding: 0 16px;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }

  /* 悬浮胶囊导航适配移动端 */
  .site-header {
    top: 10px;
    width: calc(100% - 20px);
    border-radius: 20px;
  }
  .navbar {
    height: 58px;
    padding: 0 6px 0 14px !important;
    width: 100%;
    box-sizing: border-box;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  .ambient-orb {
    display: none !important;
  }
  .nav-brand {
    flex-shrink: 0;
  }
  .brand-logo {
    height: 40px;
    max-height: 40px;
    width: auto;
    background: transparent !important;
  }
  .mobile-toggle {
    display: flex !important;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    min-width: 42px;
    border-radius: 12px;
    background: rgba(15, 39, 68, 0.06);
    border: 1px solid var(--border-color);
    font-size: 1.4rem;
    color: var(--primary-navy);
    cursor: pointer;
    flex-shrink: 0;
  }

  /* 浮动圆角下拉菜单 */
  .nav-menu {
    position: fixed;
    top: 78px;
    left: 10px;
    right: 10px;
    background: #FFFFFF !important;
    flex-direction: column;
    padding: 14px 16px 20px;
    gap: 2px;
    box-shadow: 0 30px 60px -12px rgba(11, 25, 44, 0.3);
    border: 1px solid var(--border-color);
    border-radius: 18px;
    display: none;
    z-index: 1001;
  }
  .nav-menu.open {
    display: flex;
    animation: menuIn 0.28s var(--ease-spring);
  }
  @keyframes menuIn {
    from { opacity: 0; transform: translateY(-10px) scale(0.98); }
    to { opacity: 1; transform: translateY(0) scale(1); }
  }
  .nav-menu .nav-link {
    width: 100%;
    font-size: 1.05rem;
    font-weight: 800;
    color: var(--primary-navy);
    padding: 13px 10px;
    border-radius: var(--radius-sm);
    border-bottom: 1px solid rgba(231, 237, 244, 0.8);
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  .nav-menu .nav-link::after {
    display: none;
  }
  .nav-menu .nav-link.active {
    background: rgba(255, 107, 0, 0.08);
    color: var(--accent-orange);
  }
  .nav-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(6, 15, 28, 0.5);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    z-index: 1050;
  }
  .nav-backdrop.show {
    display: block;
  }
  .nav-menu-mobile-btn {
    display: block !important;
  }
  .nav-actions {
    display: none;
  }

  /* Hero 区域在手机端层次分明 */
  .hero-section {
    padding: 108px 0 56px;
    overflow: hidden;
  }
  .hero-badge-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    margin-bottom: 16px;
  }
  .hero-badge {
    font-size: 0.78rem;
    padding: 6px 14px;
    width: fit-content;
  }
  .hero-title {
    font-size: 2.15rem;
    line-height: 1.2;
    margin-bottom: 16px;
  }
  .hero-subtitle {
    font-size: 0.98rem;
    line-height: 1.6;
    margin-bottom: 28px;
  }
  .hero-cta-group {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
    margin-bottom: 28px;
  }
  .hero-cta-group .btn {
    width: 100%;
    padding: 14px 20px;
    font-size: 1rem;
    box-sizing: border-box;
  }

  /* 指标数据横向 3 栏卡片 */
  .hero-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    padding-top: 18px;
    margin-bottom: 32px;
  }
  .stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    padding: 12px 6px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
  }
  .stat-item .stat-num {
    font-size: 1.45rem;
    font-weight: 900;
    margin-bottom: 2px;
  }
  .stat-item .stat-label {
    font-size: 0.72rem;
    line-height: 1.25;
    color: var(--text-muted);
  }

  /* 3D 视觉卡片在手机端居中平展 */
  .hero-media {
    margin-top: 8px;
    width: 100%;
  }
  .hero-visual-card {
    transform: none !important;
    max-width: 290px;
    margin: 0 auto;
    padding: 14px;
    border-radius: var(--radius-lg);
  }
  .floating-pill {
    display: none;
  }

  /* 产品矩阵移动端 */
  .products-section {
    padding: 60px 0;
    overflow: hidden;
  }
  .section-desc {
    font-size: 0.95rem;
    margin-bottom: 32px;
  }
  .product-tabs-header {
    gap: 5px;
    margin-bottom: 36px;
    padding: 5px;
    border-radius: 22px;
  }
  .tab-btn {
    padding: 8px 14px;
    font-size: 0.82rem;
  }
  .products-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }
  .product-card {
    padding: 22px 18px;
    border-radius: var(--radius-md);
  }
  .product-title {
    font-size: 1.3rem;
  }

  /* 吉祥物专区移动端 */
  .mascot-section {
    padding: 60px 0;
    overflow: hidden;
  }
  .mascot-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .mascot-main-img {
    max-width: 260px;
  }
  .mascot-badge-float {
    font-size: 0.8rem;
    padding: 6px 16px;
    bottom: -14px;
  }
  .mascot-values-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  /* 定制服务 Banner */
  .custom-service-section {
    padding: 60px 0;
    overflow: hidden;
  }
  .service-banner {
    padding: 32px 20px;
    border-radius: var(--radius-lg);
  }
  .service-desc {
    font-size: 0.95rem;
  }

  /* 核心壁垒四大支柱 */
  .why-us-section {
    padding: 60px 0;
    overflow: hidden;
  }
  .features-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .feature-card {
    padding: 24px 20px;
  }

  /* 预约表单大卡 */
  .contact-cta-section {
    padding: 60px 0;
    overflow: hidden;
  }
  .contact-card-box {
    padding: 28px 18px;
    border-radius: var(--radius-lg);
    gap: 32px;
  }

  /* 表单控件防 iOS 自动缩放 (font-size 必须 >= 16px) */
  .form-input, .form-select, .form-textarea {
    font-size: 16px !important;
    padding: 12px 14px;
  }
  .form-row-2col {
    grid-template-columns: 1fr !important;
    gap: 12px !important;
  }

  /* 弹窗在手机端自适应 */
  .modal-dialog {
    padding: 24px 16px;
    margin: 12px;
    max-height: 85vh;
  }
  .modal-close {
    top: 14px;
    right: 14px;
    width: 32px;
    height: 32px;
  }

  /* 页脚移动端 */
  .site-footer {
    padding: 60px 0 28px;
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 32px;
    margin-bottom: 40px;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  /* 返回顶部按钮手机端收边 */
  .back-to-top {
    right: 14px;
    bottom: 16px;
    width: 42px;
    height: 42px;
  }
}

/* ==========================================================================
   无障碍：减少动态效果偏好
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
    filter: none;
  }
}