/* ========================================
   嘉诚达官网 · Apple 浅色风格（mockup）
   用法：在 body 上加 class="apple" 即可切换
   部署：v2/index-apple.html
   ======================================== */

/* ---------- V33 Inter Variable 字体 self-host ---------- */
/* 拉丁字母 + 数字 + 标点 subset (~47KB) */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url('../font/inter-latin.woff2') format('woff2-variations'),
       url('../font/inter-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* ---------- Apple 浅色 Token（默认）---------- */
body.apple {
  --color-bg: #FFFFFF;
  --color-bg-2: #F5F5F7;          /* 分区极浅灰 */
  --color-bg-card: #FFFFFF;
  --color-bg-card-2: #F5F5F7;
  --color-fg: #1D1D1F;             /* 主文 */
  --color-fg-muted: #6E6E73;       /* 次文 */
  --color-fg-dim: #86868B;
  --color-accent: #E60012;         /* 嘉诚达红 */
  --color-accent-hover: #C50010;
  --color-accent-dim: rgba(230, 0, 18, 0.08);
  --color-border: #D2D2D7;         /* 极细灰线 */
  --color-border-strong: #A1A1A6;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.08);

  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 18px;
  --r-xl: 28px;                    /* V4：苹果风超大圆角 */
  --r-pill: 980px;                 /* 全圆按钮 */

  /* V4：增加 font weight 梯度 */
  --fw-light: 300;
  --fw-regular: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;

  /* V33 字体体系 token */
  --fs-display-1: clamp(48px, 7.5vw, 104px);
  --fs-display-2: clamp(40px, 5.8vw, 72px);
  --fs-display-3: clamp(36px, 4.5vw, 56px);
  --fs-display-4: clamp(32px, 4vw, 48px);
  --fs-h1: clamp(28px, 3vw, 36px);
  --fs-h2: 22px;
  --fs-h3: 18px;
  --fs-h4: 16px;
  --fs-body: 17px;
  --fs-body-lg: 19px;
  --fs-body-sm: 15px;
  --fs-sm: 13px;
  --fs-xs: 11px;
  --fs-stat: clamp(40px, 5vw, 56px);

  /* 中文字符优化 */
  --lh-cn-tight: 1.1;
  --lh-cn-normal: 1.5;
  --lh-cn-relaxed: 1.8;
  --lh-en-tight: 1.04;
  --lh-en-normal: 1.5;

  background: var(--color-bg);
  color: var(--color-fg);
}

/* V4：全局过渡曲线（苹果风 cubic-bezier）*/
body.apple,
body.apple * {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* V33 字体优化:中英文分行高 + 字间距 + 数字等宽 */
body.apple {
  /* 中英文分行高 */
}
body.apple p, body.apple li, body.apple dd, body.apple .body-text {
  line-height: var(--lh-cn-relaxed);  /* 中文 1.8 */
}
body.apple p:lang(en), body.apple li:lang(en), body.apple .body-en {
  line-height: var(--lh-en-normal);   /* 英文 1.5 */
}

/* 数字等宽(用于所有 stat-num) */
body.apple .stat-num,
body.apple .team-stat-num,
body.apple .customer-stat .stat-num,
body.apple .spec-table td:first-child,
body.apple .compare-row > div {
  font-variant-numeric: tabular-nums;
  font-feature-settings: 'tnum' 1;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

/* V33 Inter 用在英文大写副标 + 数字 + 品牌墙 */
body.apple .section-eyebrow,
body.apple .brand-tile,
body.apple .product-card-tag,
body.apple .solution-card-tag,
body.apple .insight-tag,
body.apple .hero-eyebrow,
body.apple .section-link,
body.apple .cta-block-info-item span,
body.apple .footer-col h4,
body.apple .form-field label,
body.apple .data-en {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  letter-spacing: 0.04em;
}

/* V33 按钮 hover box-shadow + translateY */
body.apple .btn {
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1),
              box-shadow 0.25s cubic-bezier(0.4, 0, 0.2, 1),
              background-color 0.2s ease;
}
body.apple .btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(230, 0, 18, 0.32);
}
body.apple .btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 4px 12px rgba(230, 0, 18, 0.24);
}
body.apple .btn-ghost:hover {
  background: var(--color-bg-2);
  transform: translateY(-1px);
}
body.apple .btn-link:hover {
  color: var(--color-accent-hover);
}

/* V33 卡片 hover translateY + 阴影 */
body.apple .product-card,
body.apple .advantage-card,
body.apple .solution-card,
body.apple .team-card {
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
              box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1),
              border-color 0.2s ease;
}
body.apple .product-card:hover,
body.apple .advantage-card:hover,
body.apple .solution-card:hover,
body.apple .team-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

/* V33 section 间距加大 */
body.apple .section {
  padding-top: clamp(80px, 10vw, 120px);
  padding-bottom: clamp(80px, 10vw, 120px);
}
body.apple .section.section-head-center { /* 默认 80px */ }

/* V33 hero 径向光晕 */
body.apple .hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 800px 600px at 85% 20%, rgba(230, 0, 18, 0.06) 0%, transparent 60%),
              radial-gradient(ellipse 600px 500px at 10% 80%, rgba(0, 100, 200, 0.04) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}
body.apple .hero .container { position: relative; z-index: 1; }

/* V33 hero 文字入场动画 */
@keyframes hero-fade-up {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}
body.apple .hero-text > * {
  opacity: 0;
  animation: hero-fade-up 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
body.apple .hero-text > *:nth-child(1) { animation-delay: 0.05s; }
body.apple .hero-text > *:nth-child(2) { animation-delay: 0.15s; }
body.apple .hero-text > *:nth-child(3) { animation-delay: 0.25s; }
body.apple .hero-text > *:nth-child(4) { animation-delay: 0.35s; }
body.apple .hero-text > *:nth-child(5) { animation-delay: 0.45s; }
body.apple .hero-text > *:nth-child(6) { animation-delay: 0.55s; }
body.apple .hero-visual {
  opacity: 0;
  animation: hero-fade-up 0.9s cubic-bezier(0.16, 1, 0.3, 1) 0.3s forwards;
}

/* V33 减少动效偏好(尊重系统设置) */
@media (prefers-reduced-motion: reduce) {
  body.apple .hero-text > *,
  body.apple .hero-visual {
    animation: none !important;
    opacity: 1 !important;
  }
}

/* V33 移动端 hero 重设计 */
@media (max-width: 768px) {
  body.apple .hero { padding: 80px 0 60px; min-height: auto !important; }
  body.apple .hero .container.hero-content {
    grid-template-columns: 1fr !important;
    gap: 32px;
  }
  body.apple .hero h1 {
    font-size: clamp(40px, 11vw, 56px) !important;
    line-height: 1.08;
  }
  body.apple .hero-desc { font-size: 17px !important; }
  body.apple .hero-visual {
    order: -1;  /* 图片移到文字上方 */
    max-width: 100% !important;
    aspect-ratio: 16 / 11 !important;
    margin: 0 !important;
  }
  body.apple .hero-visual img {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover;
  }
  body.apple .hero-meta {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 16px;
  }
  body.apple .hero-cta { flex-wrap: wrap; }
  body.apple .hero-cta .btn { width: 100%; justify-content: center; }
}
body.apple .btn,
body.apple a,
body.apple button,
body.apple .product-card,
body.apple .solution-card,
body.apple .product-card-img img,
body.apple .partner-logo {
  transition: all .4s cubic-bezier(0.28, 0.11, 0.32, 1);
}

/* ---------- 排版向苹果对齐（V4：更细更紧更大）---------- */
body.apple h1,
body.apple h2,
body.apple h3,
body.apple h4 {
  letter-spacing: -0.025em;
  color: var(--color-fg);
  font-weight: var(--fw-semibold);
}
body.apple .section-title {
  letter-spacing: -0.035em;
  font-weight: var(--fw-bold);
  font-size: clamp(40px, 5.8vw, 72px);
  line-height: 1.05;
}
body.apple .hero h1 {
  letter-spacing: -0.045em;
  line-height: 1.04;
  font-weight: var(--fw-bold);
  font-size: clamp(56px, 8vw, 112px);
}
body.apple .hero-desc {
  font-weight: var(--fw-light);
  font-size: clamp(20px, 1.6vw, 24px);
  line-height: 1.45;
  letter-spacing: -0.015em;
  max-width: 720px;
}

/* ---------- 顶部导航（白底半透明）---------- */
body.apple .header {
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 0.5px solid var(--color-border);
}
body.apple .brand-name strong { color: var(--color-fg); }
body.apple .brand-name small { color: var(--color-fg-dim); }
body.apple .brand-mark { background: transparent; color: var(--color-fg); }  /* V28: 移除 V4 红色背景 */
body.apple .nav-desktop a {
  color: var(--color-fg);
  font-size: 17px;                /* V13: 13px → 17px (覆盖 main.css) */
  font-weight: var(--fw-medium);   /* V13: 400 → 500 */
  letter-spacing: 0.2px;
  opacity: 1;                       /* V13: 0.85 → 1 更清晰 */
}
body.apple .nav-desktop a:hover,
body.apple .nav-desktop a.active {
  opacity: 1;
  color: var(--color-fg);
}
body.apple .nav-desktop a.active::after { background: var(--color-accent); }
body.apple .header-phone { color: var(--color-fg-muted); }
body.apple .header-phone strong { color: var(--color-fg); }

/* ---------- 汉堡按钮（黑线）---------- */
body.apple .menu-btn span { background: var(--color-fg); }

/* ---------- 移动端抽屉（白底）---------- */
body.apple .mobile-drawer {
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px);
}
body.apple .mobile-drawer a {
  color: var(--color-fg);
  border-bottom: 0.5px solid var(--color-border);
}
body.apple .mobile-drawer a.active { color: var(--color-accent); }
body.apple .mobile-drawer-cta {
  background: var(--color-accent-dim);
}
body.apple .mobile-drawer-cta strong { color: var(--color-accent); }

/* ---------- 移动端 Tab Bar（白底）---------- */
body.apple .mobile-tabbar {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-top: 0.5px solid var(--color-border);
}
body.apple .mobile-tab-item { color: var(--color-fg-muted); }
body.apple .mobile-tab-item.active { color: var(--color-accent); }

/* ---------- 按钮（V4：更大更克制）---------- */
body.apple .btn {
  border-radius: var(--r-pill);
  padding: 14px 26px;
  letter-spacing: -0.01em;
  font-weight: var(--fw-regular);
  font-size: 15px;
}
body.apple .btn-primary {
  background: var(--color-accent);
  color: #fff;
}
body.apple .btn-primary:hover {
  background: var(--color-accent-hover);
  transform: scale(1.02);
}
body.apple .btn-ghost {
  background: transparent;
  color: var(--color-fg);
  border: 1px solid var(--color-fg);
}
body.apple .btn-ghost:hover {
  background: var(--color-fg);
  color: #fff;
  transform: scale(1.02);
}
body.apple .btn-lg {
  padding: 18px 36px;
  font-size: 16px;
  min-height: 56px;
}

/* ---------- Hero 大留白（V4：更大 padding 更克制）---------- */
body.apple .hero {
  padding: 140px 0 100px;
  min-height: auto;
  background: linear-gradient(180deg, #FFFFFF 0%, #FAFAFC 100%);
}
body.apple .hero-bg {
  background:
    radial-gradient(circle at 28% 22%, rgba(230, 0, 18, 0.06), transparent 45%),
    radial-gradient(circle at 78% 75%, rgba(230, 0, 18, 0.04), transparent 50%);
}
body.apple .hero-grid-overlay { display: none; }   /* V4：保持克制 */
body.apple .hero-eyebrow {
  color: var(--color-fg-muted);
}
body.apple .hero-eyebrow::before { background: var(--color-fg-muted); }
body.apple .hero h1 { color: var(--color-fg); font-size: clamp(40px, 5vw, 56px); line-height: 1.1; letter-spacing: -0.035em; font-weight: var(--fw-bold); margin: 0; }
body.apple .hero h1 em { color: var(--color-accent); font-style: normal; }
body.apple .hero-desc { color: var(--color-fg-muted); }
@media (max-width: 720px) {
  body.apple .hero h1 { font-size: clamp(32px, 9vw, 48px) !important; }
}
body.apple .hero-meta {
  border-top: 0.5px solid var(--color-border);
}
body.apple .hero-meta-item strong { color: var(--color-fg); }
body.apple .hero-meta-item span { color: var(--color-fg-dim); }

/* Hero 视觉区（V4：更轻，更克制，V20 加 aspect-ratio 防 CLS） */
body.apple .hero-visual {
  background: linear-gradient(135deg, #F5F5F7 0%, #FFFFFF 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--r-xl);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.06);
  padding: 40px;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  position: relative;
}
body.apple .hero-visual::before {
  background: linear-gradient(135deg, rgba(230,0,18,0.05), transparent 50%);
}
body.apple .hero-visual-tag,
body.apple .hero-visual-label {
  background: rgba(255, 255, 255, 0.92);
  color: var(--color-fg);
  border: 1px solid var(--color-border);
  backdrop-filter: blur(12px);
  font-size: 12px;
  font-weight: var(--fw-medium);
  letter-spacing: 0.02em;
  padding: 6px 12px;
  border-radius: 6px;
}
body.apple .hero-visual::after { opacity: 0.05; }   /* 水印更淡 */

/* ---------- 数据条（V4：纯白 + 浅灰分隔，无边框，更大数字）---------- */
body.apple .stat-bar {
  background: var(--color-bg);
  padding: 72px 0;
}
body.apple .stat-bar-inner {
  max-width: 980px;
  margin: 0 auto;
  display: flex;
  justify-content: space-around;
  gap: 32px;
}
body.apple .stat-bar-item {
  flex: 1;
  text-align: center;
  padding: 12px 0;
  border-left: 0.5px solid var(--color-border);
}
body.apple .stat-bar-item:first-child { border-left: 0; }
body.apple .stat-bar-item strong {
  color: var(--color-fg);
  font-size: clamp(40px, 4.8vw, 64px);
  font-weight: var(--fw-semibold);
  line-height: 1;
  letter-spacing: -0.035em;
}
body.apple .stat-bar-item span {
  color: var(--color-fg-muted);
  font-size: 13px;
  margin-top: 10px;
  display: block;
  letter-spacing: 0.01em;
}

/* ---------- 区块标题（V4：更大留白，更细字号）---------- */
body.apple .section { padding: 88px 0; }
body.apple .section-head { margin-bottom: 56px; }
body.apple .section-eyebrow {
  color: var(--color-fg-muted);
  letter-spacing: 2.5px;
  font-size: 13px;
  font-weight: var(--fw-medium);
}
body.apple .section-eyebrow::before { background: var(--color-fg-dim); }
body.apple .section-title { color: var(--color-fg); }
body.apple .section-title em { color: var(--color-accent); font-style: normal; }
body.apple .section-subtitle {
  color: var(--color-fg-muted);
  font-size: clamp(18px, 1.4vw, 22px);
  font-weight: var(--fw-light);
  line-height: 1.5;
  letter-spacing: -0.01em;
}
body.apple .section-link {
  color: var(--color-accent);
  font-size: 15px;
  font-weight: var(--fw-regular);
}
body.apple .section-link:hover { color: var(--color-accent-hover); }

/* ---------- 产品卡（V4：超大圆角，hover 时图轻微放大）---------- */
body.apple .product-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
body.apple .product-card:hover {
  border-color: var(--color-fg);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.10);
  transform: translateY(-8px);
}
body.apple .product-card-img {
  background: linear-gradient(180deg, #F5F5F7 0%, #ECECEF 100%);
  border-bottom: 1px solid var(--color-border);
  padding: 40px 20px;
  overflow: hidden;
}
body.apple .product-card-img img {
  width: 100%;
  height: 100%;
  max-height: none;
  display: block;
  margin: 0;
  object-fit: cover;
  transition: transform .6s cubic-bezier(0.28, 0.11, 0.32, 1);
}
body.apple .product-card:hover .product-card-img img {
  transform: scale(1.05);
}
body.apple .product-card-img::after {
  background: linear-gradient(180deg, transparent 70%, rgba(255,255,255,0.4));
}
body.apple .product-card-img::before { opacity: 0.06; }   /* 水印更淡 */
body.apple .product-card h3 {
  color: var(--color-fg);
  font-weight: var(--fw-semibold);
  font-size: clamp(22px, 1.8vw, 28px);
  letter-spacing: -0.02em;
}
body.apple .product-card p {
  color: var(--color-fg-muted);
  font-size: 15px;
  line-height: 1.5;
}
body.apple .product-card-tag {
  color: var(--color-fg-dim);
  background: var(--color-bg-2);
  border: 1px solid var(--color-border);
  font-size: 12px;
  font-weight: var(--fw-medium);
  letter-spacing: 0.04em;
}
body.apple .product-card-link {
  color: var(--color-accent);
  font-size: 14px;
  font-weight: var(--fw-regular);
}
body.apple .product-card-link:hover { letter-spacing: 0.02em; }

/* ---------- 行业方案（V4：更大圆角，hover 时图轻微放大）---------- */
body.apple .solutions-grid { gap: 16px; }
body.apple .solution-card {
  background: var(--color-bg-2);
  border: 1px solid var(--color-border);
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: all .4s cubic-bezier(0.28, 0.11, 0.32, 1);
  aspect-ratio: auto !important;   /* V4-fix：取消原 16:9 强制比例 */
  cursor: default;
  position: relative;
}
body.apple .solution-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.08);
  border-color: transparent;
}

/* V4-fix：方案卡有图时（首页），保留原设计 */
body.apple .solution-card:has(img) {
  min-height: 320px;
}
body.apple .solution-card:has(img) .solution-card-bg {
  background: linear-gradient(135deg, #F5F5F7 0%, #FFFFFF 100%);
  opacity: 1;
  transition: transform .6s cubic-bezier(0.28, 0.11, 0.32, 1);
}
body.apple .solution-card:has(img) .solution-card-content {
  background: linear-gradient(180deg, transparent 40%, rgba(255,255,255,0.95) 90%);
  padding: 32px 28px;
  position: relative;
  z-index: 2;
}

/* V4-fix：方案卡无图时（about 页"应用领域"），紧凑文本模式 */
body.apple .solution-card:not(:has(img)) {
  min-height: auto;
  padding: 36px 32px;
}
body.apple .solution-card:not(:has(img)) .solution-card-bg { display: none; }
body.apple .solution-card:not(:has(img)) .solution-card-content {
  background: transparent;
  padding: 0;
  position: static;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

body.apple .solution-card-tag {
  background: var(--color-accent);
  color: #fff;
  font-size: 11px;
  font-weight: var(--fw-medium);
  letter-spacing: 0.08em;
  padding: 4px 10px;
  border-radius: 4px;
  align-self: flex-start;
  display: inline-flex;
}
body.apple .solution-card-text h3 {
  color: var(--color-fg);
  font-weight: var(--fw-semibold);
  font-size: 22px;
  letter-spacing: -0.02em;
  margin: 0;
}
body.apple .solution-card-text p {
  color: var(--color-fg-muted);
  font-size: 14px;
  line-height: 1.55;
  margin: 0;
}

/* ---------- 服务承诺（V4：更克制）---------- */
body.apple .service-item {
  border-left: 2px solid var(--color-accent);
  padding: 0 0 0 28px;
}
body.apple .service-item h4 {
  color: var(--color-fg);
  font-weight: var(--fw-semibold);
  font-size: 20px;
  letter-spacing: -0.015em;
}
body.apple .service-item p {
  color: var(--color-fg-muted);
  font-size: 15px;
  line-height: 1.55;
}
body.apple .service-item-number {
  color: var(--color-fg-dim);
  font-size: 14px;
  font-weight: var(--fw-medium);
  letter-spacing: 0.04em;
}

/* ---------- CTA 区块（V4：更大留白，红辉光更克制）---------- */
body.apple .cta-block {
  background: linear-gradient(135deg, #F5F5F7 0%, #FFFFFF 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-md);
  padding: 80px 56px;
}
body.apple .cta-block::before {
  background: radial-gradient(circle at top right, rgba(230,0,18,0.05), transparent 50%);
}
body.apple .cta-block h2 {
  color: var(--color-fg);
  font-size: clamp(32px, 3.6vw, 48px);
  font-weight: var(--fw-bold);
  letter-spacing: -0.03em;
  line-height: 1.1;
}
body.apple .cta-block h2 em {
  color: var(--color-accent);
  font-style: normal;
}
body.apple .cta-block p {
  color: var(--color-fg-muted);
  font-size: 18px;
  font-weight: var(--fw-light);
  line-height: 1.5;
}
body.apple .cta-block-info-item {
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid var(--color-border);
  border-radius: var(--r-md);
  padding: 16px 20px;
}
body.apple .cta-block-info-item span {
  color: var(--color-fg-muted);
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
body.apple .cta-block-info-item strong {
  color: var(--color-fg);
  font-size: 17px;
  font-weight: var(--fw-semibold);
}

/* ---------- 合作伙伴（V4：原色 + hover 时轻微放大 + 透明度）---------- */
body.apple .partner-section {
  background: var(--color-bg-2);
  padding: 80px 0;
}
body.apple .partner-section .container > p {
  color: var(--color-fg-muted);
  letter-spacing: 0.18em;
  font-size: 13px;
  font-weight: var(--fw-medium);
  margin-bottom: 48px;
}
body.apple .partner-logo {
  height: 36px;
  opacity: 0.7;
  transition: all .4s cubic-bezier(0.28, 0.11, 0.32, 1);
  filter: saturate(0.85);
}
body.apple .partner-logo:hover {
  opacity: 1;
  transform: scale(1.1);
  filter: saturate(1);
}

/* ---------- Footer 浅色版（V4：更大 padding，更细字号）---------- */
body.apple .footer {
  background: var(--color-bg-2);
  border-top: 0.5px solid var(--color-border);
  padding: 80px 0 32px;
}
body.apple .footer-grid {
  gap: 56px;
}
body.apple .footer-col h4 {
  color: var(--color-fg);
  font-size: 12px;
  font-weight: var(--fw-semibold);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
body.apple .footer-col a,
body.apple .footer-col p,
body.apple .footer-brand-block {
  color: var(--color-fg-muted);
  font-size: 13px;
  line-height: 1.7;
}
body.apple .footer-col a { font-size: 13px; }
body.apple .footer-col a:hover { color: var(--color-fg); }
body.apple .footer-qr-text { color: var(--color-fg-dim); font-size: 12px; }
body.apple .footer-bottom {
  color: var(--color-fg-muted);
  border-top: 0.5px solid var(--color-border);
  font-size: 12px;
  padding-top: 24px;
  margin-top: 48px;
}
body.apple .footer-bottom a { color: var(--color-fg-muted); }
body.apple .footer-bottom a:hover { color: var(--color-fg); }

/* ---------- 合作伙伴区块（白底下的极简样式）---------- */
body.apple .partner-section {
  background: var(--color-bg-2);
  border-top: 0.5px solid var(--color-border);
  border-bottom: 0.5px solid var(--color-border);
  padding: 56px 0;
}

/* ---------- 分隔线 ---------- */
body.apple .divider {
  background: var(--color-border);
}

/* ---------- 响应式微调 ---------- */
@media (max-width: 960px) {
  body.apple .hero { padding: 80px 0 60px; }
  body.apple .section { padding: 80px 0; }
  body.apple .section-head { margin-bottom: 56px; }
  body.apple .cta-block { padding: 56px 32px; }

  /* V60: stat-bar (flex) 移动端改 2 列,原 .stat-bar-inner 是 flex 无 wrap,4 项撑爆 viewport 触发 about.html 横滚 65px */
  body.apple .stat-bar-inner {
    flex-wrap: wrap;
    gap: 16px 0;
  }
  body.apple .stat-bar-item {
    flex: 0 0 50%;
    border-left: 0;
    border-right: 0.5px solid var(--color-border);
    border-bottom: 0.5px solid var(--color-border);
    padding: var(--sp-4) 0;
  }
  body.apple .stat-bar-item:nth-child(2n) { border-right: 0; }
  body.apple .stat-bar-item:nth-last-child(-n+2) { border-bottom: 0; }
}
@media (max-width: 640px) {
  body.apple .hero { padding: 56px 0 48px; }
  body.apple .hero h1 { font-size: 44px; }
  body.apple .section { padding: 64px 0; }
  body.apple .stat-bar-item { padding: 12px 0; }
  body.apple .cta-block { padding: 48px 24px; }
}

/* ---------- V4 增强：navbar scroll 状态 ---------- */
body.apple .header {
  transition: background .35s ease, border-color .35s ease, box-shadow .35s ease;
}
body.apple .header.is-scrolled {
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.04);
}

/* ---------- V4 增强：fade-in 动画优化 ---------- */
body.apple .fade-in {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 1s cubic-bezier(0.28, 0.11, 0.32, 1),
              transform 1s cubic-bezier(0.28, 0.11, 0.32, 1);
  will-change: opacity, transform;
}
body.apple .fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- V4 增强：section title 渐入加 scale ---------- */
body.apple .section-title,
body.apple .hero h1,
body.apple .hero-desc,
body.apple .hero-eyebrow {
  /* V33: 移除,改为 V33 段 body.apple .hero-text > * 接管 (避免 appleFadeIn backwards 不保留终态导致内容消失) */
}
body.apple .hero-eyebrow { /* V33: 移除 */ }
body.apple .hero h1 { /* V33: 移除 */ }
body.apple .hero-desc { /* V33: 移除 */ }
body.apple .hero-cta { /* V33: 移除,改用 .hero-text > *:nth-child(4) */ }
body.apple .hero-visual { /* V33: 保留 V33 单独规则,但用 forwards */ }
body.apple .hero-meta { /* V33: 移除,改用 .hero-text > *:nth-child(5) */ }

/* V33 兼容旧 fade-in 类的苹果风 keyframes */
@keyframes appleFadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- V4 增强：滚动指示器 ---------- */
body.apple .scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  width: 24px; height: 40px;
  border: 1.5px solid var(--color-fg-dim);
  border-radius: 12px;
  opacity: 0.6;
  z-index: 5;
}
body.apple .scroll-indicator::before {
  content: '';
  position: absolute;
  top: 6px; left: 50%;
  transform: translateX(-50%);
  width: 3px; height: 8px;
  background: var(--color-fg);
  border-radius: 2px;
  animation: scrollDot 2s cubic-bezier(0.28, 0.11, 0.32, 1) infinite;
}
@keyframes scrollDot {
  0%, 100% { transform: translate(-50%, 0); opacity: 1; }
  50% { transform: translate(-50%, 12px); opacity: 0.3; }
}

/* ---------- V4 增强：navbar 链接下划线动画 ---------- */
body.apple .nav-desktop a {
  position: relative;
  padding-bottom: 4px;
}
body.apple .nav-desktop a::after {
  content: '';
  position: absolute;
  left: 50%; bottom: 0;
  width: 0; height: 1px;
  background: var(--color-accent);
  transition: width .3s cubic-bezier(0.28, 0.11, 0.32, 1),
              left .3s cubic-bezier(0.28, 0.11, 0.32, 1);
}
body.apple .nav-desktop a:hover::after,
body.apple .nav-desktop a.active::after {
  width: 100%;
  left: 0;
}

/* ========================================
   子页面 V4 覆盖（page-hero / product-detail / solution-page-card / about-section / contact-form）
   ======================================== */

/* ---------- Page Hero（子页）---------- */
body.apple .page-hero {
  background: linear-gradient(180deg, #FFFFFF 0%, #FAFAFC 100%);
  border-bottom: 1px solid var(--color-border);
  padding: 100px 0 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
body.apple .page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 30% 20%, rgba(230, 0, 18, 0.06), transparent 45%),
    radial-gradient(circle at 70% 80%, rgba(230, 0, 18, 0.04), transparent 50%);
  pointer-events: none;
}
body.apple .page-hero > * { position: relative; z-index: 1; }
body.apple .page-hero .section-eyebrow {
  color: var(--color-fg-muted);
  justify-content: center;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 2.5px;
  margin-bottom: 24px;
}
body.apple .page-hero h1 {
  font-size: clamp(48px, 7vw, 96px);
  font-weight: 700;
  letter-spacing: -0.04em;
  color: var(--color-fg);
  line-height: 1.05;
  margin-bottom: 24px;
}
body.apple .page-hero h1 em {
  color: var(--color-accent);
  font-style: normal;
}
body.apple .page-hero p {
  font-size: clamp(18px, 1.5vw, 22px);
  font-weight: 300;
  color: var(--color-fg-muted);
  max-width: 720px;
  margin: 0 auto;
  line-height: 1.5;
  letter-spacing: -0.01em;
}

/* ---------- Product Detail（产品详情页）---------- */
body.apple .product-detail {
  gap: 32px;
}
body.apple .product-detail-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 28px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.04);
  transition: all .5s cubic-bezier(0.28, 0.11, 0.32, 1);
  overflow: hidden;
  position: relative;
}
body.apple .product-detail-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 28px;
  background: linear-gradient(135deg, transparent 0%, var(--color-accent-dim, rgba(230,0,18,0.04)) 100%);
  opacity: 0;
  transition: opacity .5s;
  pointer-events: none;
  z-index: 1;
}
body.apple .product-detail-card:hover {
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.10), 0 0 0 1px var(--color-accent);
  transform: translateY(-6px);
  border-color: var(--color-accent);
}
body.apple .product-detail-card:hover::before { opacity: 1; }
body.apple .product-detail-card:hover .product-detail-img img {
  transform: scale(1.06);
}
body.apple .product-detail-card .product-detail-img img {
  transition: transform .7s cubic-bezier(0.28, 0.11, 0.32, 1);
}

/* ---------- V33e 品牌 logo 墙(原厂 logo 图,放大版) ---------- */
body.apple .brand-wall {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
body.apple .brand-tile {
  aspect-ratio: 2 / 1;
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 14px;
  transition: all .35s cubic-bezier(0.28, 0.11, 0.32, 1);
  cursor: default;
}
body.apple .brand-tile img {
  max-width: 95%;
  max-height: 78%;
  width: auto;
  height: auto;
  object-fit: contain;
  filter: grayscale(0.2);
  transition: filter .3s ease, transform .35s cubic-bezier(0.28, 0.11, 0.32, 1);
}
body.apple .brand-tile:hover {
  transform: translateY(-3px);
  border-color: var(--color-fg);
  box-shadow: 0 12px 30px rgba(0,0,0,0.10);
}
body.apple .brand-tile:hover img {
  filter: grayscale(0);
}
@media (min-width: 640px) {
  body.apple .brand-wall { grid-template-columns: repeat(5, 1fr); gap: 18px; }
}
@media (min-width: 960px) {
  body.apple .brand-wall { grid-template-columns: repeat(6, 1fr); gap: 14px; }
  body.apple .brand-tile { aspect-ratio: 1 / 1; padding: 16px; }
}
body.apple .product-detail-img {
  background: #FFFFFF;
  border-bottom: 1px solid var(--color-border);
  aspect-ratio: 4 / 3;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
body.apple .product-detail-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .6s cubic-bezier(0.28, 0.11, 0.32, 1);
}
body.apple .product-detail-card:hover .product-detail-img img {
  transform: scale(1.04);
}
body.apple .product-detail-body {
  padding: 56px 16px;
}
body.apple .product-detail-body h2 {
  font-size: clamp(28px, 2.4vw, 36px);
  font-weight: 700;
  color: var(--color-fg);
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 16px;
}
body.apple .product-detail-body p {
  font-size: 16px;
  color: var(--color-fg-muted);
  line-height: 1.6;
  font-weight: 400;
}
body.apple .product-detail-body .product-card-tag {
  background: var(--color-bg-2);
  border: 1px solid var(--color-border);
  color: var(--color-fg-muted);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.04em;
  padding: 4px 10px;
  border-radius: 4px;
  margin-bottom: 16px;
}
body.apple .product-specs {
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: 24px 0;
  margin: 24px 0;
}
body.apple .product-spec-item {
  border-bottom: 0.5px solid var(--color-border);
}
body.apple .product-spec-item:last-child { border-bottom: 0; }
body.apple .product-spec-item span {
  color: var(--color-fg-muted);
  font-size: 13px;
  letter-spacing: 0.02em;
}
body.apple .product-spec-item strong {
  color: var(--color-fg);
  font-weight: 600;
  font-size: 16px;
}

/* ---------- Solution Card（方案页）---------- */
body.apple .solution-page-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 28px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.04);
}
body.apple .solution-page-card:hover {
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.08);
  transform: translateY(-4px);
  border-color: transparent;
}
body.apple .solution-page-card h2,
body.apple .solution-page-card h3 {
  color: var(--color-fg);
  font-weight: 700;
  letter-spacing: -0.03em;
}
body.apple .solution-page-card p {
  color: var(--color-fg-muted);
  font-weight: 400;
  line-height: 1.6;
}
body.apple .solution-page-card .solution-card-tag {
  background: var(--color-accent);
  color: #fff;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
}

/* ---------- About Section（关于页）---------- */
body.apple .about-section {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 28px;
  padding: 64px 48px;
  margin-bottom: 24px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.04);
  transition: all .4s cubic-bezier(0.28, 0.11, 0.32, 1);
}
body.apple .about-section:hover {
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.06);
  transform: translateY(-2px);
}
body.apple .about-section h2 {
  color: var(--color-fg);
  font-weight: 700;
  font-size: clamp(28px, 2.4vw, 40px);
  letter-spacing: -0.03em;
}
body.apple .about-section h3 {
  color: var(--color-fg);
  font-weight: 600;
}
body.apple .about-section p,
body.apple .about-section li {
  color: var(--color-fg-muted);
  line-height: 1.7;
}
body.apple .about-section .about-tag {
  background: var(--color-accent-dim);
  color: var(--color-accent);
  font-weight: 500;
  font-size: 13px;
}

/* ---------- Contact Form ---------- */
body.apple .contact-form {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 28px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.04);
  padding: 56px 48px;
}
body.apple .contact-form h3 {
  color: var(--color-fg);
  font-weight: 700;
  font-size: clamp(28px, 2.4vw, 36px);
  letter-spacing: -0.03em;
}
body.apple .contact-form p {
  color: var(--color-fg-muted);
}
body.apple .contact-form label {
  color: var(--color-fg);
  font-weight: 500;
  font-size: 14px;
}
body.apple .contact-form input,
body.apple .contact-form textarea,
body.apple .contact-form select {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  color: var(--color-fg);
  font-size: 15px;
  padding: 14px 16px;
  transition: border-color .25s ease, box-shadow .25s ease;
}
body.apple .contact-form input:focus,
body.apple .contact-form textarea:focus,
body.apple .contact-form select:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 4px rgba(230, 0, 18, 0.08);
  outline: none;
}
body.apple .contact-info-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 28px;
  padding: 48px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.04);
}
body.apple .contact-info-card h3 {
  color: var(--color-fg);
  font-weight: 700;
  font-size: clamp(24px, 2vw, 32px);
  letter-spacing: -0.025em;
}
body.apple .contact-info-card .contact-info-item {
  border-bottom: 0.5px solid var(--color-border);
  padding: 20px 0;
}
body.apple .contact-info-card .contact-info-item:last-child { border-bottom: 0; }
body.apple .contact-info-card .contact-info-item span {
  color: var(--color-fg-muted);
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
body.apple .contact-info-card .contact-info-item strong {
  color: var(--color-fg);
  font-weight: 600;
  font-size: 17px;
}

/* ---------- 全局：所有 section 默认浅色 ---------- */
body.apple main,
body.apple .section,
body.apple .container { background: transparent; }

/* ---------- 全局：覆盖原 dark card ---------- */
body.apple .footer-bottom a { color: var(--color-fg-muted); }

/* ---------- 全局：divider 浅色 ---------- */
body.apple hr,
body.apple .divider {
  background: var(--color-border);
  border: 0;
  height: 1px;
}

/* ---------- V4 子页响应式 ---------- */
@media (max-width: 960px) {
  body.apple .page-hero { padding: 80px 0 60px; }
  body.apple .page-hero h1 { font-size: 48px; }
  body.apple .product-detail-body { padding: 32px 8px; }
  body.apple .about-section { padding: 48px 28px; }
  body.apple .contact-form { padding: 40px 28px; }
  body.apple .contact-info-card { padding: 32px; }
}

/* ========================================
   Apple-V2 深浅结合版（black + light cards）
   磊哥反馈：纯黑底色让 logo 和图片辨识度下降
   解决方案：navbar/hero/services/footer 黑色
            产品展示/合作品牌 浅色卡片（让图浮起来）
   ======================================== */

/* V2 自有 token */
body.apple-v2 {
  --v2-bg-light: #F5F5F7;
  --v2-bg-card: #FFFFFF;
  --v2-bg-dark: #000000;
  --v2-bg-dark-2: #1D1D1F;
  --v2-fg-dark: #1D1D1F;
  --v2-fg-light: #F5F5F7;
  --v2-fg-dim: #86868B;
  --v2-border: #D2D2D7;
  --v2-border-dark: #424245;
  --v2-accent: #E60012;
  --v2-blue: #0071E3;

  background: var(--v2-bg-light);
  color: var(--v2-fg-dark);
}

/* ----- 1. NAVBAR 黑色毛玻璃 ----- */
body.apple-v2 .header {
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 0.5px solid rgba(255, 255, 255, 0.08);
}
body.apple-v2 .brand-name strong { color: var(--v2-fg-light); }
body.apple-v2 .brand-name small { color: var(--v2-fg-dim); }
body.apple-v2 .brand-mark { background: var(--v2-accent); color: #fff; }
body.apple-v2 .nav-desktop a {
  color: var(--v2-fg-light);
  opacity: 0.85;
}
body.apple-v2 .nav-desktop a:hover,
body.apple-v2 .nav-desktop a.active {
  opacity: 1;
  color: var(--v2-fg-light);
}
body.apple-v2 .nav-desktop a.active::after { background: var(--v2-accent); }
body.apple-v2 .header-phone { color: var(--v2-fg-dim); }
body.apple-v2 .header-phone strong { color: var(--v2-fg-light); }
body.apple-v2 .menu-btn span { background: var(--v2-fg-light); }
body.apple-v2 .mobile-drawer {
  background: rgba(0, 0, 0, 0.95);
}
body.apple-v2 .mobile-drawer a {
  color: var(--v2-fg-light);
  border-bottom: 0.5px solid rgba(255, 255, 255, 0.1);
}
body.apple-v2 .mobile-drawer a.active { color: var(--v2-accent); }
body.apple-v2 .mobile-drawer-cta {
  background: rgba(230, 0, 18, 0.12);
}
body.apple-v2 .mobile-drawer-cta strong { color: var(--v2-accent); }
body.apple-v2 .mobile-tabbar {
  background: rgba(0, 0, 0, 0.92);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-top: 0.5px solid rgba(255, 255, 255, 0.1);
}
body.apple-v2 .mobile-tab-item { color: var(--v2-fg-dim); }
body.apple-v2 .mobile-tab-item.active { color: var(--v2-accent); }

/* ----- 2. HERO 黑色 + 红色径向辉光 ----- */
body.apple-v2 .hero {
  background: var(--v2-bg-dark);
  color: var(--v2-fg-light);
  position: relative;
  overflow: hidden;
}
body.apple-v2 .hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(230, 0, 18, 0.18), transparent 60%);
  pointer-events: none;
  z-index: 0;
}
body.apple-v2 .hero > * { position: relative; z-index: 1; }
body.apple-v2 .hero h1 { color: var(--v2-fg-light); }
body.apple-v2 .hero h1 em { color: var(--v2-accent); font-style: normal; }
body.apple-v2 .hero-eyebrow {
  color: var(--v2-fg-light);
  opacity: 0.85;
}
body.apple-v2 .hero-desc { color: var(--v2-fg-dim); }
body.apple-v2 .hero-meta-item strong { color: var(--v2-fg-light); }
body.apple-v2 .hero-meta-item span { color: var(--v2-fg-dim); }
body.apple-v2 .hero-visual {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--r-xl);
}
body.apple-v2 .hero-visual-tag,
body.apple-v2 .hero-visual-label { color: var(--v2-fg-light); }

/* ----- 3. 数据条 黑色卡片浮在浅色背景上 ----- */
body.apple-v2 .stat-bar { background: var(--v2-bg-light); padding: 0; }
body.apple-v2 .stat-bar-inner {
  background: var(--v2-bg-dark);
  color: var(--v2-fg-light);
  margin-top: -60px;
  padding: 40px 24px;
  border-radius: var(--r-xl);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
  position: relative;
  z-index: 5;
}
body.apple-v2 .stat-bar-item strong {
  background: linear-gradient(180deg, #FFFFFF 0%, #86868B 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
body.apple-v2 .stat-bar-item span { color: var(--v2-fg-dim); }

/* ----- 4. PARTNER 合作品牌区 浅色 ----- */
body.apple-v2 .partner-section {
  background: var(--v2-bg-light);
  padding: 80px 0;
}
body.apple-v2 .partner-section .container > p {
  color: var(--v2-fg-dim);
}
body.apple-v2 .partner-logo {
  filter: grayscale(0.4);
  opacity: 0.75;
  transition: filter .25s ease, opacity .25s ease;
}
body.apple-v2 .partner-logo:hover {
  filter: grayscale(0);
  opacity: 1;
}

/* ----- 5. SECTION/PRODUCTS 浅色卡片 ----- */
body.apple-v2 .section { background: var(--v2-bg-light); color: var(--v2-fg-dark); }
body.apple-v2 .section-eyebrow { color: var(--v2-fg-dim); }
body.apple-v2 .section-title { color: var(--v2-fg-dark); }
body.apple-v2 .section-title em { color: var(--v2-accent); font-style: normal; }
body.apple-v2 .section-subtitle { color: var(--v2-fg-muted, #6E6E73); }
body.apple-v2 .section-link { color: var(--v2-blue); }
body.apple-v2 .product-card {
  background: var(--v2-bg-card);
  border: 1px solid var(--v2-border);
  box-shadow: var(--shadow-sm);
  transition: transform .3s ease, box-shadow .3s ease;
}
body.apple-v2 .product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}
body.apple-v2 .product-card-img {
  background: var(--v2-bg-light);
}
body.apple-v2 .product-card-tag { color: var(--v2-fg-dim); }
body.apple-v2 .product-card h3 { color: var(--v2-fg-dark); }
body.apple-v2 .product-card p { color: #6E6E73; }
body.apple-v2 .product-card-link { color: var(--v2-blue); }

/* ----- 6. SOLUTIONS 浅色分区 ----- */
body.apple-v2 .section[style*="linear-gradient(180deg, #FFFFFF"] {
  background: linear-gradient(180deg, #FFFFFF 0%, #F5F5F7 100%);
}
body.apple-v2 .solution-card {
  background: var(--v2-bg-card);
  border: 1px solid var(--v2-border);
  box-shadow: var(--shadow-sm);
}
body.apple-v2 .solution-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
body.apple-v2 .solution-card-tag { color: var(--v2-accent); }
body.apple-v2 .solution-card h3 { color: var(--v2-fg-dark); }
body.apple-v2 .solution-card p { color: #6E6E73; }

/* ----- 7. SERVICE 黑色反差 ----- */
body.apple-v2 .service-block { background: transparent; }
body.apple-v2 .service-item {
  background: rgba(0, 0, 0, 0.04);
  border: 1px solid var(--v2-border);
}
body.apple-v2 .service-section-wrap {
  background: var(--v2-bg-dark);
  color: var(--v2-fg-light);
  padding: 80px 0;
  margin-top: 40px;
  border-radius: var(--r-xl);
}
body.apple-v2 .service-section-wrap .section-eyebrow { color: var(--v2-fg-dim); }
body.apple-v2 .service-section-wrap .section-title { color: var(--v2-fg-light); }
body.apple-v2 .service-item-number { color: var(--v2-accent); }
body.apple-v2 .service-item h4 { color: var(--v2-fg-dark); }
body.apple-v2 .service-item p { color: #6E6E73; }

/* ----- 8. CTA 黑色 ----- */
body.apple-v2 .cta-block {
  background: var(--v2-bg-dark);
  color: var(--v2-fg-light);
}
body.apple-v2 .cta-block h2 { color: var(--v2-fg-light); }
body.apple-v2 .cta-block h2 em { color: var(--v2-accent); font-style: normal; }
body.apple-v2 .cta-block p { color: var(--v2-fg-dim); }
body.apple-v2 .cta-block-info {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
}
body.apple-v2 .cta-block-info-item { border-bottom: 1px solid rgba(255, 255, 255, 0.08); }
body.apple-v2 .cta-block-info-item span { color: var(--v2-fg-dim); }
body.apple-v2 .cta-block-info-item strong { color: var(--v2-fg-light); }

/* ----- 9. FOOTER 保持深色 ----- */
body.apple-v2 .footer { background: var(--v2-bg-dark-2); color: var(--v2-fg-dim); }
body.apple-v2 .footer-grid { color: var(--v2-fg-dim); }
body.apple-v2 .footer h4 { color: var(--v2-fg-light); }
body.apple-v2 .footer a { color: var(--v2-fg-dim); }
body.apple-v2 .footer a:hover { color: var(--v2-fg-light); }
body.apple-v2 .footer p { color: var(--v2-fg-dim); }
body.apple-v2 .footer .brand-name strong { color: var(--v2-fg-light); }
body.apple-v2 .footer .brand-name small { color: var(--v2-fg-dim); }
body.apple-v2 .footer-bottom { color: var(--v2-fg-dim); border-top: 1px solid var(--v2-border-dark); }

/* ----- 10. 按钮 ----- */
body.apple-v2 .btn-primary { background: var(--v2-blue); color: #fff; }
body.apple-v2 .btn-primary:hover { background: #0077ED; color: #fff; }
body.apple-v2 .btn-ghost { color: var(--v2-blue); }
body.apple-v2 .btn-ghost:hover { color: #0077ED; }

/* ----- V2 特殊：服务区段使用 service-section-wrap 包裹 ----- */

/* ----- V2 响应式 ----- */
@media (max-width: 960px) {
  body.apple-v2 .stat-bar-inner { margin-top: -40px; padding: 28px 20px; }
  body.apple-v2 .service-section-wrap { padding: 56px 0; }
}
@media (max-width: 640px) {
  body.apple-v2 .stat-bar-inner {
    margin: -32px 16px 0;
    border-radius: var(--r-lg);
  }
}

/* ========================================
   V5 高级感增强：滚动进度条 / 3D 卡片 / 数字滚动 / 文字 reveal / 多语言切换
   ======================================== */

/* ---------- 1. 滚动进度条 ---------- */
body.apple::before {
  content: '';
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: var(--scroll-progress, 0%);
  background: linear-gradient(90deg, var(--color-accent) 0%, #ff4d5e 100%);
  z-index: 9999;
  transition: width .08s linear;
  pointer-events: none;
  box-shadow: 0 0 8px rgba(230, 0, 18, 0.4);
}

/* ---------- 2. 3D 卡片倾斜 ---------- */
body.apple .product-card,
body.apple .solution-card,
body.apple .about-section,
body.apple .product-detail-card,
body.apple .contact-info-card {
  transform-style: preserve-3d;
  perspective: 1000px;
  will-change: transform;
}

/* ---------- 3. 数字滚动 ---------- */
body.apple .stat-num {
  display: inline-block;
}

/* ---------- 4. 文字 reveal ---------- */
body.apple .reveal-word {
  display: inline-block;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s cubic-bezier(0.28, 0.11, 0.32, 1),
              transform 0.8s cubic-bezier(0.28, 0.11, 0.32, 1);
}
body.apple .reveal-word.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- 5. 多语言切换 ---------- */
body.apple .lang-switcher {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-right: 16px;
  font-size: 13px;
  font-weight: 500;
}
body.apple .lang-switcher button {
  background: transparent;
  border: 0;
  color: var(--color-fg-muted);
  padding: 4px 6px;
  cursor: pointer;
  font-size: 13px;
  border-radius: 4px;
  transition: color .2s ease, background .2s ease;
  font-family: inherit;
}
body.apple .lang-switcher button:hover {
  color: var(--color-fg);
}
body.apple .lang-switcher button.is-active {
  color: var(--color-accent);
  background: var(--color-accent-dim);
}
body.apple .lang-switcher .lang-divider {
  color: var(--color-fg-dim);
  font-size: 12px;
  user-select: none;
}

/* ========================================
   V6 高级感增强：grain 微噪点 / loading 动画 / 搜索 overlay / back to top / hero 视差
   ======================================== */

/* ---------- 1. Grain 微噪点（高级感的秘密细节）---------- */
body.apple::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: 0.025;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200' viewBox='0 0 200 200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
  background-size: 200px 200px;
  mix-blend-mode: multiply;
}

/* ---------- 2. Loading 动画 ---------- */
body.apple .page-loader {
  position: fixed;
  inset: 0;
  background: #FFFFFF;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: pageLoaderOut 0.6s cubic-bezier(0.28, 0.11, 0.32, 1) 0.3s forwards;
}
body.apple .page-loader__mark {
  width: 48px; height: 48px;
  background: var(--color-accent);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 22px;
  font-weight: 700;
  animation: pageLoaderScale 0.6s cubic-bezier(0.28, 0.11, 0.32, 1);
}
@keyframes pageLoaderOut {
  to { opacity: 0; visibility: hidden; transform: scale(1.05); }
}
@keyframes pageLoaderScale {
  from { transform: scale(0.6); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

/* ---------- 3. Search overlay ---------- */
body.apple .search-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px; height: 32px;
  background: transparent;
  border: 0;
  color: var(--color-fg-muted);
  cursor: pointer;
  border-radius: 50%;
  transition: background .2s ease, color .2s ease;
  margin-right: 8px;
}
body.apple .search-btn:hover {
  background: var(--color-bg-2);
  color: var(--color-fg);
}
body.apple .search-btn svg { width: 18px; height: 18px; }

body.apple .search-overlay {
  position: fixed;
  inset: 0;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  z-index: 9500;
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding-top: 18vh;
  opacity: 0;
  transition: opacity .25s ease;
}
body.apple .search-overlay.is-open {
  display: flex;
  opacity: 1;
}
body.apple .search-overlay__inner {
  width: 100%;
  max-width: 640px;
  padding: 0 24px;
}
body.apple .search-overlay__input-wrap {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 14px;
  box-shadow: 0 12px 48px rgba(0, 0, 0, 0.08);
  font-size: 17px;
}
body.apple .search-overlay__input-wrap svg { width: 20px; height: 20px; color: var(--color-fg-dim); flex-shrink: 0; }
body.apple .search-overlay__input {
  flex: 1;
  border: 0;
  outline: none;
  background: transparent;
  font-size: 18px;
  color: var(--color-fg);
  font-family: inherit;
  font-weight: 400;
}
body.apple .search-overlay__input::placeholder {
  color: var(--color-fg-dim);
}
body.apple .search-overlay__close {
  background: var(--color-bg-2);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 4px 8px;
  font-size: 12px;
  color: var(--color-fg-muted);
  font-family: inherit;
}
body.apple .search-overlay__hint {
  text-align: center;
  margin-top: 24px;
  color: var(--color-fg-dim);
  font-size: 13px;
}

/* V21 搜索建议结果 */
body.apple .search-overlay__results {
  max-width: 640px;
  margin: 24px auto 0;
  text-align: left;
}
body.apple .search-suggest-label {
  font-size: 12px;
  color: var(--color-fg-dim);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 12px;
  padding-left: 4px;
}
body.apple .search-suggest-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
body.apple .search-suggest-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--color-bg-2);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  color: var(--color-fg);
  font-size: 15px;
  transition: all .2s ease;
}
body.apple .search-suggest-item:hover {
  background: var(--color-bg);
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateX(4px);
}
body.apple .search-suggest-icon {
  display: inline-flex;
  width: 24px;
  height: 24px;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-dim);
  color: var(--color-accent);
  border-radius: 50%;
  font-size: 14px;
  font-weight: 600;
  flex-shrink: 0;
}
body.apple .search-empty {
  padding: 16px;
  text-align: center;
  color: var(--color-fg-muted);
  font-size: 14px;
  background: var(--color-bg-2);
  border: 1px dashed var(--color-border);
  border-radius: 12px;
}
body.apple-dark .search-suggest-item {
  background: var(--color-bg-card);
  border-color: var(--color-border);
}
body.apple-dark .search-empty {
  background: var(--color-bg-card);
}

/* ---------- 4. Back to top ---------- */
body.apple .back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border: 1px solid var(--color-border);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  transform: translateY(12px) scale(0.9);
  transition: opacity .35s cubic-bezier(0.28, 0.11, 0.32, 1),
              transform .35s cubic-bezier(0.28, 0.11, 0.32, 1),
              background .2s ease;
  z-index: 9000;
  pointer-events: none;
}
body.apple .back-to-top.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}
body.apple .back-to-top:hover {
  background: var(--color-fg);
  color: #fff;
}
body.apple .back-to-top:hover svg { stroke: #fff; }
body.apple .back-to-top svg { width: 18px; height: 18px; stroke: var(--color-fg); stroke-width: 2; fill: none; }

/* ---------- 5. Hero 视差 ---------- */
body.apple .hero { position: relative; }
body.apple .hero-content,
body.apple .hero-bg {
  will-change: transform;
}

/* ---------- 6. Stagger 列表入场 ---------- */
body.apple .stagger > * {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s cubic-bezier(0.28, 0.11, 0.32, 1),
              transform 0.8s cubic-bezier(0.28, 0.11, 0.32, 1);
}
body.apple .stagger.revealed > *:nth-child(1) { transition-delay: 0s; opacity: 1; transform: translateY(0); }
body.apple .stagger.revealed > *:nth-child(2) { transition-delay: 0.08s; opacity: 1; transform: translateY(0); }
body.apple .stagger.revealed > *:nth-child(3) { transition-delay: 0.16s; opacity: 1; transform: translateY(0); }
body.apple .stagger.revealed > *:nth-child(4) { transition-delay: 0.24s; opacity: 1; transform: translateY(0); }
body.apple .stagger.revealed > *:nth-child(5) { transition-delay: 0.32s; opacity: 1; transform: translateY(0); }
body.apple .stagger.revealed > *:nth-child(6) { transition-delay: 0.40s; opacity: 1; transform: translateY(0); }
body.apple .stagger.revealed > *:nth-child(7) { transition-delay: 0.48s; opacity: 1; transform: translateY(0); }
body.apple .stagger.revealed > *:nth-child(8) { transition-delay: 0.56s; opacity: 1; transform: translateY(0); }

/* ========================================
   V7 高级感增强：Dark mode / Custom cursor / 产品图 lightbox
   ======================================== */

/* ---------- Dark mode 切换 ---------- */
body.apple-dark {
  --color-bg: #000000;
  --color-bg-2: #0a0a0c;
  --color-bg-card: #1c1c1e;
  --color-bg-card-2: #2c2c2e;
  --color-fg: #f5f5f7;
  --color-fg-muted: #98989d;
  --color-fg-dim: #6e6e73;
  --color-accent: #ff2d3d;             /* dark 模式下红色更亮 */
  --color-accent-hover: #ff5060;
  --color-accent-dim: rgba(255, 45, 61, 0.16);
  --color-border: #38383a;
  --color-border-strong: #545458;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.5);

  background: var(--color-bg);
  color: var(--color-fg);
}

/* ---------- V16: Dark mode 子页面 section 背景区分 ---------- */
body.apple-dark .section[style*="background"] {
  background: #0F1115 !important;
}
body.apple-dark .hero-bg {
  background:
    radial-gradient(ellipse at 30% 20%, rgba(255, 45, 61, 0.15), transparent 60%),
    radial-gradient(ellipse at 70% 80%, rgba(255, 45, 61, 0.10), transparent 60%),
    #000 !important;
}
body.apple-dark .footer {
  background: #000 !important;
  border-top-color: var(--color-border);
}
body.apple-dark .newsletter-form input {
  background: var(--color-bg-card) !important;
  color: var(--color-fg);
}
body.apple-dark .product-detail-card {
  background: var(--color-bg-card) !important;
  border-color: var(--color-border) !important;
}
body.apple-dark .timeline-dot {
  background: var(--color-accent) !important;
  border-color: rgba(255, 80, 100, 0.5);
  box-shadow: 0 0 12px rgba(230, 0, 18, 0.5);
}

body.apple-dark::after {
  /* dark 模式 grain 强一点 */
  opacity: 0.04;
  mix-blend-mode: screen;
}

body.apple-dark .hero {
  background: linear-gradient(180deg, #000000 0%, #050507 100%);
}
body.apple-dark .page-hero {
  background: linear-gradient(180deg, #000000 0%, #050507 100%);
}
body.apple-dark .page-loader {
  background: #000000;
}
body.apple-dark .header {
  background: rgba(0, 0, 0, 0.85);
  border-bottom-color: rgba(255, 255, 255, 0.08);
}
body.apple-dark .header.is-scrolled {
  background: rgba(0, 0, 0, 0.92);
  border-bottom-color: var(--color-border);
}
body.apple-dark .brand-name strong { color: var(--color-fg); }
body.apple-dark .brand-name small { color: var(--color-fg-dim); }
body.apple-dark .nav-desktop a { color: var(--color-fg); }
body.apple-dark .nav-desktop a:hover,
body.apple-dark .nav-desktop a.active { color: var(--color-accent); }
body.apple-dark .menu-btn span { background: var(--color-fg); }
body.apple-dark .mobile-drawer {
  background: rgba(0, 0, 0, 0.98);
  border-bottom: 1px solid var(--color-border);
}
body.apple-dark .mobile-drawer a { color: var(--color-fg); }
body.apple-dark .mobile-tabbar {
  background: rgba(0, 0, 0, 0.92);
  border-top: 1px solid var(--color-border);
}
body.apple-dark .mobile-tab-item { color: var(--color-fg-dim); }

body.apple-dark .hero-visual {
  background: linear-gradient(135deg, #1c1c1e 0%, #2c2c2e 100%);
  border-color: var(--color-border);
}
body.apple-dark .hero-visual-tag,
body.apple-dark .hero-visual-label {
  background: rgba(28, 28, 30, 0.85);
  color: var(--color-fg);
  border-color: var(--color-border);
}

body.apple-dark .stat-bar { background: var(--color-bg); }
body.apple-dark .stat-bar-item strong {
  background: linear-gradient(180deg, #FFFFFF 0%, #98989D 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
body.apple-dark .stat-bar-item span { color: var(--color-fg-muted); }

body.apple-dark .section { background: var(--color-bg); color: var(--color-fg); }
body.apple-dark .section-title { color: var(--color-fg); }
body.apple-dark .section-subtitle { color: var(--color-fg-muted); }
body.apple-dark .section-eyebrow { color: var(--color-fg-dim); }
body.apple-dark .section-link { color: var(--color-accent); }

body.apple-dark .product-card {
  background: var(--color-bg-card);
  border-color: var(--color-border);
  color: var(--color-fg);
}
body.apple-dark .product-card:hover { border-color: var(--color-fg-muted); }
body.apple-dark .product-card-img {
  background: linear-gradient(180deg, #1c1c1e 0%, #2c2c2e 100%);
  border-bottom-color: var(--color-border);
}
body.apple-dark .product-card h3 { color: var(--color-fg); }
body.apple-dark .product-card p { color: var(--color-fg-muted); }
body.apple-dark .product-card-tag {
  background: var(--color-bg-card-2);
  color: var(--color-fg-muted);
  border-color: var(--color-border);
}

body.apple-dark .solution-card {
  background: var(--color-bg-card);
  border-color: var(--color-border);
}
body.apple-dark .solution-card-bg {
  background: linear-gradient(135deg, #1c1c1e 0%, #2c2c2e 100%);
}
body.apple-dark .solution-card-content {
  background: linear-gradient(180deg, transparent 40%, rgba(28,28,30,0.95) 90%);
}
body.apple-dark .solution-card-text h3 { color: var(--color-fg); }
body.apple-dark .solution-card-text p { color: var(--color-fg-muted); }

body.apple-dark .service-section-wrap {
  background: var(--color-bg);
  color: var(--color-fg);
}
body.apple-dark .service-section-wrap .section-title { color: var(--color-fg); }
body.apple-dark .service-item {
  background: var(--color-bg-card);
  border-color: var(--color-border);
}
body.apple-dark .service-item h4 { color: var(--color-fg); }
body.apple-dark .service-item p { color: var(--color-fg-muted); }

body.apple-dark .cta-block {
  background: linear-gradient(135deg, #1c1c1e 0%, #2c2c2e 100%);
  border-color: var(--color-border);
}
body.apple-dark .cta-block h2 { color: var(--color-fg); }
body.apple-dark .cta-block p { color: var(--color-fg-muted); }
body.apple-dark .cta-block-info-item {
  background: rgba(0, 0, 0, 0.3);
  border-color: var(--color-border);
}
body.apple-dark .cta-block-info-item strong { color: var(--color-fg); }

body.apple-dark .footer {
  background: var(--color-bg-2);
  border-top-color: var(--color-border);
}
body.apple-dark .footer h4 { color: var(--color-fg); }
body.apple-dark .footer a,
body.apple-dark .footer p { color: var(--color-fg-muted); }
body.apple-dark .footer a:hover { color: var(--color-fg); }

body.apple-dark .page-hero h1 { color: var(--color-fg); }
body.apple-dark .page-hero p { color: var(--color-fg-muted); }

body.apple-dark .product-detail-card {
  background: var(--color-bg-card);
  border-color: var(--color-border);
}
body.apple-dark .product-detail-img {
  background: linear-gradient(180deg, #1c1c1e 0%, #2c2c2e 100%);
}
body.apple-dark .product-detail-body h2 { color: var(--color-fg); }
body.apple-dark .product-detail-body p { color: var(--color-fg-muted); }
body.apple-dark .product-specs { border-color: var(--color-border); }
body.apple-dark .product-spec-item { border-bottom-color: var(--color-border); }
body.apple-dark .product-spec-item strong { color: var(--color-fg); }
body.apple-dark .product-spec-item span { color: var(--color-fg-muted); }

body.apple-dark .about-section {
  background: var(--color-bg-card);
  border-color: var(--color-border);
}
body.apple-dark .about-section h2,
body.apple-dark .about-section h3 { color: var(--color-fg); }
body.apple-dark .about-section p,
body.apple-dark .about-section li { color: var(--color-fg-muted); }

body.apple-dark .contact-form {
  background: var(--color-bg-card);
  border-color: var(--color-border);
}
body.apple-dark .contact-form input,
body.apple-dark .contact-form textarea,
body.apple-dark .contact-form select {
  background: var(--color-bg-2);
  border-color: var(--color-border);
  color: var(--color-fg);
}
body.apple-dark .contact-info-card {
  background: var(--color-bg-card);
  border-color: var(--color-border);
}
body.apple-dark .contact-info-card .contact-info-item { border-bottom-color: var(--color-border); }
body.apple-dark .contact-info-card .contact-info-item strong { color: var(--color-fg); }
body.apple-dark .contact-info-card .contact-info-item span { color: var(--color-fg-muted); }

body.apple-dark .partner-section { background: var(--color-bg-2); }
body.apple-dark .partner-logo {
  filter: saturate(0.85) brightness(0.95);
}

/* dark 模式按钮 */
body.apple-dark .btn-ghost {
  border-color: var(--color-fg);
  color: var(--color-fg);
}
body.apple-dark .btn-ghost:hover {
  background: var(--color-fg);
  color: #000;
}

/* dark 模式 back-to-top */
body.apple-dark .back-to-top {
  background: rgba(28, 28, 30, 0.85);
  border-color: var(--color-border);
}
body.apple-dark .back-to-top:hover {
  background: var(--color-fg);
}
body.apple-dark .back-to-top:hover svg { stroke: #000; }

/* dark 模式 search overlay */
body.apple-dark .search-overlay {
  background: rgba(0, 0, 0, 0.92);
}
body.apple-dark .search-overlay__input-wrap {
  background: var(--color-bg-card);
  border-color: var(--color-border);
}
body.apple-dark .search-overlay__input {
  color: var(--color-fg);
}
body.apple-dark .search-overlay__input::placeholder {
  color: var(--color-fg-dim);
}
body.apple-dark .search-overlay__close {
  background: var(--color-bg-card-2);
  border-color: var(--color-border);
  color: var(--color-fg-muted);
}

/* dark 模式滚动进度条 */
body.apple-dark::before {
  background: linear-gradient(90deg, var(--color-accent) 0%, #ff7080 100%);
}

/* ---------- Dark mode 切换按钮 ---------- */
body.apple .dark-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px; height: 32px;
  background: transparent;
  border: 0;
  color: var(--color-fg-muted);
  cursor: pointer;
  border-radius: 50%;
  transition: background .2s ease, color .2s ease, transform .3s ease;
  margin-right: 8px;
}
body.apple .dark-toggle:hover {
  background: var(--color-bg-2);
  color: var(--color-fg);
}
body.apple .dark-toggle svg { width: 18px; height: 18px; transition: transform .3s ease; }
body.apple-dark .dark-toggle svg.sun { display: block; }
body.apple-dark .dark-toggle svg.moon { display: none; }
body.apple:not(.apple-dark) .dark-toggle svg.sun { display: none; }
body.apple:not(.apple-dark) .dark-toggle svg.moon { display: block; }

/* ---------- Custom cursor ---------- */
body.apple-custom-cursor {
  cursor: auto;  /* V9b：禁用隐藏系统光标 */
}
/* V9b：彻底禁用自定义光标（无论 class 是否存在） */
.cursor-dot,
.cursor-ring {
  display: none !important;
}
body.apple-custom-cursor a,
body.apple-custom-cursor button,
body.apple-custom-cursor input,
body.apple-custom-cursor textarea,
body.apple-custom-cursor select,
body.apple-custom-cursor label {
  cursor: none;
}
body.apple-custom-cursor .cursor-dot,
body.apple-custom-cursor .cursor-ring {
  position: fixed;
  top: 0; left: 0;
  pointer-events: none;
  z-index: 99999;
  border-radius: 50%;
  will-change: transform;
}
body.apple-custom-cursor .cursor-dot {
  width: 6px; height: 6px;
  background: var(--color-accent);
  transform: translate(-50%, -50%);
  transition: width .2s ease, height .2s ease, background .2s ease;
}
body.apple-custom-cursor .cursor-ring {
  width: 32px; height: 32px;
  border: 1.5px solid var(--color-fg);
  transform: translate(-50%, -50%);
  transition: width .2s ease, height .2s ease, border-color .2s ease, background .2s ease;
  opacity: 0.5;
}
body.apple-custom-cursor .cursor-ring.is-hover {
  width: 56px; height: 56px;
  border-color: var(--color-accent);
  background: var(--color-accent-dim);
  opacity: 1;
}
body.apple-custom-cursor .cursor-dot.is-hover {
  width: 0; height: 0;
}

/* 移动端不启用 custom cursor */
@media (max-width: 960px) {
  body.apple-custom-cursor,
  body.apple-custom-cursor * { cursor: auto !important; }
  body.apple-custom-cursor .cursor-dot,
  body.apple-custom-cursor .cursor-ring { display: none; }
}

/* ---------- 产品图 lightbox ---------- */
body.apple .lightbox {
  position: fixed;
  inset: 0;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  z-index: 9600;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 40px 24px;
  opacity: 0;
  transition: opacity .25s ease;
}
body.apple-dark .lightbox {
  background: rgba(0, 0, 0, 0.92);
}
body.apple .lightbox.is-open {
  display: flex;
  opacity: 1;
}
body.apple .lightbox__inner {
  max-width: min(1200px, 90vw);
  max-height: 90vh;
  text-align: center;
}
body.apple .lightbox__img {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
  border-radius: var(--r-lg);
}
body.apple .lightbox__close {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 44px; height: 44px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--color-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 18px;
  font-weight: 500;
  transition: background .2s ease, transform .2s ease;
}
body.apple-dark .lightbox__close {
  background: rgba(28, 28, 30, 0.9);
  border-color: var(--color-border);
  color: var(--color-fg);
}
body.apple .lightbox__close:hover { background: var(--color-fg); color: #fff; transform: scale(1.05); }
body.apple-dark .lightbox__close:hover { background: var(--color-fg); color: #000; }

/* ---------- V7 减少动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  body.apple *,
  body.apple *::before,
  body.apple *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  body.apple::before { display: none; }
  body.apple::after { display: none; }
  body.apple .page-loader { display: none; }
  body.apple .search-overlay { display: none; }
  body.apple .back-to-top { display: none; }
  body.apple .stagger > * { opacity: 1; transform: none; }
  body.apple .cursor-dot,
  body.apple .cursor-ring { display: none !important; }
}

/* ========================================
   V8 公司发展时间线（about.html 专用）
   ======================================== */
body.apple .timeline {
  position: relative;
  max-width: 880px;
  margin: 0 auto;
  padding: 40px 0;
}
body.apple .timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, transparent 0%, var(--color-border) 5%, var(--color-border) 95%, transparent 100%);
  transform: translateX(-50%);
}
body.apple .timeline-item {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 200px 1fr;
  gap: 32px;
  margin-bottom: 20px;
  align-items: center;
}
body.apple .timeline-item:last-child { margin-bottom: 0; }
body.apple .timeline-year {
  grid-column: 2;
  font-size: 48px;
  font-weight: 700;
  letter-spacing: -0.04em;
  color: var(--color-fg);
  text-align: center;
  font-feature-settings: "tnum";
}
body.apple .timeline-dot {
  grid-column: 2;
  position: relative;
  width: 12px;
  height: 12px;
  background: var(--color-accent);
  border-radius: 50%;
  margin: 8px auto 0;
  box-shadow: 0 0 0 4px var(--color-bg), 0 0 0 5px var(--color-border);
}
body.apple .timeline-item:nth-child(odd) .timeline-content {
  grid-column: 1;
  grid-row: 1;
  text-align: right;
  padding-right: 16px;
}
body.apple .timeline-item:nth-child(odd) .timeline-year,
body.apple .timeline-item:nth-child(odd) .timeline-dot {
  grid-column: 2;
}
body.apple .timeline-item:nth-child(even) .timeline-content {
  grid-column: 3;
  grid-row: 1;
  text-align: left;
  padding-left: 16px;
}
body.apple .timeline-item:nth-child(even) .timeline-year,
body.apple .timeline-item:nth-child(even) .timeline-dot {
  grid-column: 2;
}
body.apple .timeline-content h4 {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-fg);
  letter-spacing: -0.01em;
  margin-bottom: 6px;
}
body.apple .timeline-content p {
  font-size: 14px;
  color: var(--color-fg-muted);
  line-height: 1.6;
}
body.apple .timeline-item:hover .timeline-dot {
  background: var(--color-accent-hover);
  box-shadow: 0 0 0 4px var(--color-bg), 0 0 0 5px var(--color-accent), 0 0 16px rgba(230, 0, 18, 0.4);
  transition: all .3s ease;
}
@media (max-width: 768px) {
  body.apple .timeline::before { left: 24px; }
  body.apple .timeline-item {
    grid-template-columns: 48px 1fr;
    gap: 16px;
  }
  body.apple .timeline-year,
  body.apple .timeline-dot,
  body.apple .timeline-content {
    grid-column: auto !important;
    text-align: left !important;
    padding-left: 0 !important;
    padding-right: 0 !important;
  }
  body.apple .timeline-year { font-size: 32px; }
  body.apple .timeline-dot { margin: 0; }
  body.apple .timeline-item .timeline-year { grid-column: 2; grid-row: 1; }
  body.apple .timeline-item .timeline-dot {
    grid-column: 1; grid-row: 1 / span 2;
    align-self: start;
    margin-top: 16px;
  }
  body.apple .timeline-item .timeline-content { grid-column: 2; grid-row: 2; }
}

/* ========================================
   V8 产品快速选型表（products.html 专用）
   ======================================== */
body.apple .product-compare-table {
  border: 1px solid var(--color-border);
  border-radius: var(--r-xl);
  background: var(--color-bg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}
body.apple .compare-row {
  display: grid;
  grid-template-columns: 1.2fr 1.2fr 1.4fr 1.2fr 1.2fr 1.5fr;
  border-bottom: 0.5px solid var(--color-border);
  transition: background .2s ease;
}
body.apple .compare-row:last-child { border-bottom: 0; }
body.apple .compare-row > div {
  padding: 18px 20px;
  font-size: 14px;
  color: var(--color-fg);
  line-height: 1.5;
  border-right: 0.5px solid var(--color-border);
}
body.apple .compare-row > div:last-child { border-right: 0; }
body.apple .compare-head {
  background: var(--color-bg-2);
}
body.apple .compare-head > div {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--color-fg-dim);
  text-transform: uppercase;
  padding: 14px 20px;
}
body.apple .compare-row:not(.compare-head):hover {
  background: var(--color-bg-2);
}
body.apple .compare-row:not(.compare-head) > div strong {
  color: var(--color-fg);
  font-weight: 600;
}
@media (max-width: 960px) {
  body.apple .compare-row {
    grid-template-columns: 1fr 1fr;
  }
  body.apple .compare-row > div {
    padding: 14px 16px;
    font-size: 13px;
    border-right: 0;
    border-bottom: 0.5px solid var(--color-border);
  }
  body.apple .compare-head { display: none; }
  body.apple .compare-row:not(.compare-head) > div::before {
    content: attr(data-label);
    display: block;
    font-size: 11px;
    font-weight: 600;
    color: var(--color-fg-dim);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 4px;
  }
  body.apple .compare-row:not(.compare-head) > div:nth-child(1)::before { content: '产品类别'; }
  body.apple .compare-row:not(.compare-head) > div:nth-child(2)::before { content: '代表品牌'; }
  body.apple .compare-row:not(.compare-head) > div:nth-child(3)::before { content: '代表型号'; }
  body.apple .compare-row:not(.compare-head) > div:nth-child(4)::before { content: '主轴/行程'; }
  body.apple .compare-row:not(.compare-head) > div:nth-child(5)::before { content: '精度/特性'; }
  body.apple .compare-row:not(.compare-head) > div:nth-child(6)::before { content: '典型应用'; }
}

/* V17-3: products.html 移动端排版优化 */
@media (max-width: 640px) {
  /* 选型表:640px 以下改 1 列堆叠,每项独占一行 + label 显眼 */
  body.apple .compare-row {
    grid-template-columns: 1fr;
    border-bottom: 1px solid var(--color-border);
  }
  body.apple .compare-row:last-child { border-bottom: 1px solid var(--color-border); }
  body.apple .compare-row > div {
    padding: 12px 0;
    border-right: 0;
    border-bottom: 0;
    font-size: 14px;
  }
  body.apple .compare-row:not(.compare-head) > div::before {
    font-size: 10px;
    margin-bottom: 6px;
  }

  /* 产品详情 body: 减小 + 字号调整 */
  body.apple .product-detail-body {
    padding: 24px 4px;
  }
  body.apple .product-detail-body h2 {
    font-size: 22px;
  }
  body.apple .product-detail-body p {
    font-size: 14px;
  }

  /* 产品图片: 全宽 */
  body.apple .product-detail-img img {
    max-height: 280px;
    object-fit: contain;
  }

  /* page-hero: 进一步压缩 */
  body.apple .page-hero {
    padding: 64px 0 40px;
  }
  body.apple .page-hero h1 {
    font-size: 28px;
  }
  body.apple .page-hero p {
    font-size: 14px;
  }

  /* 产品 section padding 减小 */
  body.apple .section {
    padding: 48px 0;
  }
}

/* ========================================
   V8 客户案例区（index-apple.html 全球客户 section）
   ======================================== */
body.apple .customer-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 48px;
}
body.apple .customer-stat {
  text-align: center;
  padding: 32px 16px;
  border-right: 0.5px solid var(--color-border);
}
body.apple .customer-stat:last-child { border-right: 0; }
body.apple .customer-stat .stat-num {
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 700;
  color: var(--color-fg);
  letter-spacing: -0.03em;
  line-height: 1;
}
body.apple .customer-stat .stat-label {
  font-size: 14px;
  color: var(--color-fg-muted);
  margin-top: 8px;
  letter-spacing: 0.02em;
}
body.apple .industry-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
body.apple .industry-card {
  padding: 32px 28px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--r-xl);
  transition: all .35s cubic-bezier(0.28, 0.11, 0.32, 1);
  box-shadow: var(--shadow-sm);
}
body.apple .industry-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.08);
  border-color: transparent;
}
body.apple .industry-icon {
  font-size: 32px;
  margin-bottom: 16px;
  display: inline-block;
  width: 56px;
  height: 56px;
  background: var(--color-bg-2);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}
body.apple .industry-card h4 {
  font-size: 19px;
  font-weight: 600;
  color: var(--color-fg);
  letter-spacing: -0.01em;
  margin-bottom: 10px;
}
body.apple .industry-card p {
  font-size: 14px;
  color: var(--color-fg-muted);
  line-height: 1.6;
  margin-bottom: 16px;
}
body.apple .industry-tag {
  display: inline-block;
  padding: 4px 10px;
  background: var(--color-accent-dim);
  color: var(--color-accent);
  border-radius: 4px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.04em;
}
@media (max-width: 960px) {
  body.apple .customer-stats { grid-template-columns: repeat(2, 1fr); }
  body.apple .customer-stat { border-right: 0; border-bottom: 0.5px solid var(--color-border); }
  body.apple .industry-grid { grid-template-columns: 1fr; }
}

/* ========================================
   V17-2: about.html 团队核心成员区
   ======================================== */
body.apple .team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
body.apple .team-card {
  padding: 32px 28px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-sm);
  transition: all .35s cubic-bezier(0.28, 0.11, 0.32, 1);
  text-align: center;
}
body.apple .team-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
body.apple .team-avatar {
  width: 80px;
  height: 80px;
  margin: 0 auto 20px;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid var(--color-border);
}
body.apple .team-avatar svg {
  width: 100%;
  height: 100%;
  display: block;
}
body.apple .team-card h4 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--color-fg);
  letter-spacing: -0.01em;
}
body.apple .team-card .team-role {
  display: inline-block;
  font-size: 12px;
  color: var(--color-accent);
  background: var(--color-accent-dim);
  padding: 4px 12px;
  border-radius: 100px;
  letter-spacing: 0.04em;
  margin-bottom: 14px;
  font-weight: 500;
}
body.apple .team-card .team-bio {
  font-size: 13px;
  color: var(--color-fg-muted);
  line-height: 1.7;
}

@media (max-width: 960px) {
  body.apple .team-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  body.apple .team-grid { grid-template-columns: 1fr; }
  body.apple .team-card { padding: 24px 20px; }
}

/* dark mode 适配 */
body.apple-dark .team-card {
  background: var(--color-bg-card);
  border-color: var(--color-border);
}
body.apple-dark .team-avatar {
  border-color: rgba(255,255,255,0.15);
}

/* ========================================
   V17-4: solutions.html 客户模糊案例描述
   ======================================== */
body.apple .customer-snippet {
  display: block;
  font-size: 13px;
  color: var(--color-fg-muted);
  background: var(--color-bg-2);
  border-left: 2px solid var(--color-accent);
  padding: 12px 16px;
  border-radius: 0 var(--r-md) var(--r-md) 0;
  margin-bottom: var(--sp-4);
  line-height: 1.7;
  font-style: italic;
}
body.apple-dark .customer-snippet {
  background: rgba(255,255,255,0.03);
  color: var(--color-fg-muted);
}

/* ========================================
   V19: 六大核心优势 + 嘉诚达洞察文章
   ======================================== */

/* ---------- 六大核心优势 ---------- */
body.apple .advantage-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
body.apple .advantage-card {
  padding: 36px 32px;
  background: var(--color-bg-2);
  border: 1px solid var(--color-border);
  border-radius: var(--r-xl);
  transition: all .4s cubic-bezier(0.28, 0.11, 0.32, 1);
  position: relative;
  overflow: hidden;
}
body.apple .advantage-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent) 0%, transparent 100%);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .4s cubic-bezier(0.28, 0.11, 0.32, 1);
}
body.apple .advantage-card:hover {
  background: var(--color-bg);
  border-color: var(--color-accent);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(230, 0, 18, 0.08);
}
body.apple .advantage-card:hover::before { transform: scaleX(1); }
body.apple .advantage-icon {
  width: 56px;
  height: 56px;
  margin-bottom: 20px;
  padding: 12px;
  background: var(--color-accent-dim);
  border-radius: var(--r-lg);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
}
body.apple .advantage-icon svg { width: 100%; height: 100%; }
body.apple .advantage-card h4 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--color-fg);
  letter-spacing: -0.01em;
}
body.apple .advantage-card p {
  font-size: 14px;
  color: var(--color-fg-muted);
  line-height: 1.7;
}

@media (max-width: 960px) {
  body.apple .advantage-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  body.apple .advantage-grid { grid-template-columns: 1fr; }
  body.apple .advantage-card { padding: 28px 24px; }
}

/* dark mode 适配 */
body.apple-dark .advantage-card {
  background: var(--color-bg-card);
  border-color: var(--color-border);
}
body.apple-dark .advantage-card:hover {
  background: var(--color-bg-card-2);
  border-color: var(--color-accent);
}

/* ---------- 嘉诚达洞察文章卡片 ---------- */
body.apple .insight-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
body.apple .insight-card {
  background: var(--color-bg-2);
  border: 1px solid var(--color-border);
  border-radius: var(--r-xl);
  overflow: hidden;
  transition: all .4s cubic-bezier(0.28, 0.11, 0.32, 1);
  cursor: pointer;
  display: flex;
  flex-direction: column;
}
body.apple .insight-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(230, 0, 18, 0.1);
}
body.apple .insight-cover {
  aspect-ratio: 16 / 9;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  overflow: hidden;
}
body.apple .insight-cover-1 {
  background: linear-gradient(135deg, #1D1D1F 0%, #3A3A3C 100%);
}
body.apple .insight-cover-2 {
  background: linear-gradient(135deg, #2C3E50 0%, #4A6580 100%);
}
body.apple .insight-cover-3 {
  background: linear-gradient(135deg, #1D1D1F 0%, #5A1A1F 100%);
}
/* V21: dark mode 下文章卡片 cover 略调亮一档,避免与背景同色 */
body.apple-dark .insight-cover-1 {
  background: linear-gradient(135deg, #2A2A2C 0%, #4A4A4C 100%);
}
body.apple-dark .insight-cover-2 {
  background: linear-gradient(135deg, #3A4E60 0%, #5A7590 100%);
}
body.apple-dark .insight-cover-3 {
  background: linear-gradient(135deg, #2A1D1F 0%, #6A2A2F 100%);
}
body.apple .insight-cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 40%, rgba(230, 0, 18, 0.25), transparent 60%);
}
body.apple .insight-cover-text {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 0 24px;
}
body.apple .insight-cover-text strong {
  display: block;
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 4px;
  letter-spacing: -0.01em;
}
body.apple .insight-cover-text small {
  display: block;
  font-size: 11px;
  opacity: 0.7;
  letter-spacing: 2px;
}
body.apple .insight-body {
  padding: 24px 28px 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
body.apple .insight-meta {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 12px;
  font-size: 12px;
  color: var(--color-fg-dim);
}
body.apple .insight-tag {
  display: inline-block;
  padding: 3px 10px;
  background: var(--color-accent-dim);
  color: var(--color-accent);
  border-radius: 100px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.04em;
}
body.apple .insight-meta-sep { color: var(--color-fg-dim); }
body.apple .insight-card h4 {
  font-size: 18px;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 12px;
  color: var(--color-fg);
  letter-spacing: -0.01em;
}
body.apple .insight-card p {
  font-size: 14px;
  color: var(--color-fg-muted);
  line-height: 1.7;
  flex: 1;
}
body.apple .insight-link {
  margin-top: 16px;
  font-size: 13px;
  color: var(--color-accent);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
body.apple .insight-link::after {
  content: '→';
  transition: transform .3s ease;
}
body.apple .insight-card:hover .insight-link::after {
  transform: translateX(4px);
}

@media (max-width: 960px) {
  body.apple .insight-grid { grid-template-columns: repeat(2, 1fr); }
  body.apple .insight-card:nth-child(3) { grid-column: span 2; }
}
@media (max-width: 640px) {
  body.apple .insight-grid { grid-template-columns: 1fr; }
  body.apple .insight-card:nth-child(3) { grid-column: span 1; }
}

/* dark mode 适配 */
body.apple-dark .insight-card {
  background: var(--color-bg-card);
  border-color: var(--color-border);
}
body.apple-dark .insight-card h4 { color: var(--color-fg); }
body.apple-dark .insight-card p { color: var(--color-fg-muted); }

/* ========================================
   V17 合并：原 page.css 内容（hero / page-hero / product-detail / about-grid / contact-grid / form / 响应式）
   ======================================== */
/* ---------- Hero（首页）---------- */
.hero {
  position: relative;
  min-height: 720px;
  padding: var(--sp-20) 0 var(--sp-16);
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 30%, rgba(230, 0, 18, 0.08), transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(230, 0, 18, 0.04), transparent 50%),
    linear-gradient(180deg, #0F1115 0%, #0A0C10 100%);
  z-index: 0;
}
.hero-grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
  z-index: 0;
}
.hero-content {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--sp-12);
  align-items: center;
}
.hero-text {
  max-width: 640px;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  color: var(--color-accent);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: var(--sp-6);
}
.hero-eyebrow::before {
  content: '';
  width: 32px;
  height: 1px;
  background: var(--color-accent);
}
.hero h1 {
  font-size: var(--fs-hero);
  font-weight: var(--fw-semibold);
  line-height: 1.1;
  letter-spacing: -1.5px;
  margin-bottom: var(--sp-6);
}
.hero h1 em {
  color: var(--color-accent);
  font-style: normal;
}
.hero-desc {
  font-size: var(--fs-md);
  color: var(--color-fg-muted);
  line-height: 1.8;
  margin-bottom: var(--sp-8);
  max-width: 540px;
}
.hero-cta { display: flex; gap: var(--sp-3); flex-wrap: wrap; }
.hero-meta {
  display: flex;
  gap: var(--sp-8);
  margin-top: var(--sp-12);
  padding-top: var(--sp-6);
  border-top: 0.5px solid var(--color-border);
}
.hero-meta-item { font-size: var(--fs-sm); }
.hero-meta-item strong {
  display: block;
  font-size: var(--fs-2xl);
  font-weight: var(--fw-semibold);
  color: var(--color-fg);
  margin-bottom: 4px;
}
.hero-meta-item span { color: var(--color-fg-muted); font-size: var(--fs-xs); letter-spacing: 1px; }
.hero-visual {
  position: relative;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, #1A1D24 0%, #0F1115 100%);
  border-radius: var(--r-xl);
  overflow: hidden;
  border: 0.5px solid var(--color-border);
}
.hero-visual::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(230,0,18,0.15), transparent 50%);
  z-index: 1;
}
.hero-visual svg { width: 100%; height: 100%; }
.hero-visual-tag {
  position: absolute;
  top: var(--sp-4);
  left: var(--sp-4);
  z-index: 2;
  font-size: var(--fs-xs);
  color: var(--color-fg-muted);
  background: rgba(15, 17, 21, 0.6);
  padding: 6px 12px;
  border-radius: 100px;
  border: 0.5px solid var(--color-border);
}
.hero-visual-label {
  position: absolute;
  bottom: var(--sp-4);
  right: var(--sp-4);
  z-index: 2;
  font-size: var(--fs-xs);
  color: var(--color-fg-muted);
  background: rgba(15, 17, 21, 0.6);
  padding: 6px 12px;
  border-radius: 100px;
  border: 0.5px solid var(--color-border);
}

/* ---------- 数据条（首页）---------- */
.stat-bar {
  background: var(--color-bg-card);
  border-top: 0.5px solid var(--color-border);
  border-bottom: 0.5px solid var(--color-border);
  padding: var(--sp-6) 0;
}
.stat-bar-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-6);
}
.stat-bar-item {
  text-align: center;
  border-right: 0.5px solid var(--color-border);
}
.stat-bar-item:last-child { border-right: none; }
.stat-bar-item strong {
  display: block;
  font-size: var(--fs-2xl);
  font-weight: var(--fw-semibold);
  color: var(--color-accent);
  margin-bottom: 4px;
}
.stat-bar-item span {
  font-size: var(--fs-xs);
  color: var(--color-fg-muted);
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* ---------- 产品卡片 ---------- */
.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-4);
}
.product-card {
  background: var(--color-bg-card);
  border: 0.5px solid var(--color-border);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: all var(--t-base);
  cursor: pointer;
  display: flex;
  flex-direction: column;
}
.product-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
}
.product-card-img {
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, #1A1D24, #0F1115);
  position: relative;
  overflow: hidden;
}
.product-card-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(15,17,21,0.4));
  z-index: 1;
}
.product-card-img::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('../img/watermark.png');
  background-repeat: repeat;
  background-size: 240px auto;
  background-position: center;
  opacity: 0.18;
  pointer-events: none;
  z-index: 2;
}
.product-card-img svg { position: relative; z-index: 0; }

/* Hero visual 水印 */
.hero-visual::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('../img/watermark.png');
  background-repeat: repeat;
  background-size: 240px auto;
  background-position: center;
  opacity: 0.10;
  pointer-events: none;
  z-index: 1;
}
.hero-visual svg { position: relative; z-index: 0; }

/* 产品详情图水印 */
.product-detail-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('../img/watermark.png');
  background-repeat: repeat;
  background-size: 280px auto;
  background-position: center;
  opacity: 0.10;
  pointer-events: none;
  z-index: 1;
}
.product-detail-img svg { position: relative; z-index: 0; }

/* 方案卡水印 */
.solution-card-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #1A1D24, #0F1115);
  opacity: 0.6;
  transition: opacity var(--t-base);
}
.solution-card-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('../img/watermark.png');
  background-repeat: repeat;
  background-size: 240px auto;
  background-position: center;
  opacity: 0.10;
  pointer-events: none;
}
.product-card-img svg { width: 100%; height: 100%; }
.product-card-body {
  padding: var(--sp-5);
  flex: 1;
  display: flex;
  flex-direction: column;
}
.product-card h3 {
  font-size: var(--fs-md);
  font-weight: var(--fw-medium);
  margin-bottom: 6px;
}
.product-card-tag {
  display: inline-block;
  font-size: 10px;
  color: var(--color-accent);
  background: var(--color-accent-dim);
  padding: 3px 8px;
  border-radius: 100px;
  letter-spacing: 0.5px;
  margin-bottom: var(--sp-3);
}
.product-card p {
  font-size: var(--fs-sm);
  color: var(--color-fg-muted);
  line-height: 1.7;
  flex: 1;
}
.product-card-link {
  margin-top: var(--sp-4);
  font-size: var(--fs-sm);
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* ---------- 行业方案 ---------- */
.solutions-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-4);
}
.solution-card {
  position: relative;
  aspect-ratio: 16/9;
  background: var(--color-bg-card);
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 0.5px solid var(--color-border);
  cursor: pointer;
}
.solution-card-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #1A1D24, #0F1115);
  opacity: 0.6;
  transition: opacity var(--t-base);
}
.solution-card:hover .solution-card-bg { opacity: 1; }
.solution-card-content {
  position: absolute;
  inset: 0;
  padding: var(--sp-6);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  z-index: 2;
  background: linear-gradient(180deg, transparent 30%, rgba(15,17,21,0.85));
}
.solution-card-tag {
  display: inline-flex;
  align-self: flex-start;
  font-size: var(--fs-xs);
  color: var(--color-fg);
  background: rgba(230, 0, 18, 0.85);
  padding: 4px 10px;
  border-radius: 100px;
  letter-spacing: 1px;
  font-weight: var(--fw-medium);
}
.solution-card-text h3 {
  font-size: var(--fs-xl);
  font-weight: var(--fw-semibold);
  margin-bottom: 6px;
  color: var(--color-fg);
}
.solution-card-text p {
  font-size: var(--fs-sm);
  color: var(--color-fg-muted);
  line-height: 1.6;
}

/* ---------- 服务承诺 ---------- */
.service-block {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-4);
}
.service-item {
  padding: var(--sp-6);
  border-left: 2px solid var(--color-accent);
  overflow: hidden;            /* V60: 让 .service-item-figure 的负 margin 不溢出 service-item 边界,移动端单列时不再触发横滚 */
}
.service-item-figure {
  margin: calc(var(--sp-6) * -1) calc(var(--sp-6) * -1) var(--sp-5) calc(var(--sp-6) * -1);
  overflow: hidden;
  position: relative;
}
.service-item-figure img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
}
.service-item-figure::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 2px;
  background: var(--color-accent);
  opacity: 0.85;
}
.service-item-caption {
  font-size: 12px;
  color: var(--color-fg-dim);
  padding: var(--sp-3) var(--sp-3) var(--sp-3);
  letter-spacing: 0.3px;
  background: var(--color-bg-2);
  margin: 0;
}
.service-item-badge {
  display: inline-block;
  background: var(--color-accent);
  color: #FFFFFF;
  font-size: 11px;
  font-weight: var(--fw-semibold);
  padding: 3px 9px;
  margin-right: var(--sp-3);
  border-radius: 2px;
  letter-spacing: 0.5px;
  vertical-align: middle;
  font-feature-settings: "tnum";
  position: relative;
  top: -2px;
}
.service-item h4 {
  font-size: var(--fs-md);
  font-weight: var(--fw-medium);
  margin-bottom: var(--sp-3);
  color: var(--color-fg);
}
.service-item p {
  font-size: var(--fs-sm);
  color: var(--color-fg-muted);
  line-height: 1.8;
}
.service-item-number {
  display: block;
  font-size: var(--fs-3xl);
  font-weight: var(--fw-semibold);
  color: var(--color-accent);
  margin-bottom: var(--sp-3);
  font-family: var(--font-mono);
}

/* ---------- 联系 CTA 区块 ---------- */
.cta-block {
  background: var(--color-bg-card);
  border-radius: var(--r-xl);
  padding: var(--sp-12);
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: var(--sp-10);
  align-items: center;
  border: 0.5px solid var(--color-border);
  position: relative;
  overflow: hidden;
}
.cta-block::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(230,0,18,0.1), transparent 50%);
  pointer-events: none;
}
.cta-block h2 {
  font-size: var(--fs-3xl);
  font-weight: var(--fw-semibold);
  line-height: 1.25;
  margin-bottom: var(--sp-4);
  letter-spacing: -0.5px;
}
.cta-block h2 em { color: var(--color-accent); font-style: normal; }
.cta-block p {
  font-size: var(--fs-md);
  color: var(--color-fg-muted);
  line-height: 1.7;
  margin-bottom: var(--sp-6);
  max-width: 500px;
}
.cta-block-info {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}
.cta-block-info-item {
  padding: var(--sp-4);
  background: rgba(15, 17, 21, 0.5);
  border-radius: var(--r-md);
  border: 0.5px solid var(--color-border);
}
.cta-block-info-item span {
  display: block;
  font-size: var(--fs-xs);
  color: var(--color-fg-muted);
  letter-spacing: 1px;
  margin-bottom: 4px;
}
.cta-block-info-item strong {
  font-size: var(--fs-lg);
  font-weight: var(--fw-medium);
  color: var(--color-fg);
}

/* ---------- 通用页面 Hero（子页）---------- */
.page-hero {
  padding: var(--sp-20) 0 var(--sp-12);
  background: linear-gradient(180deg, #0F1115 0%, #0A0C10 100%);
  border-bottom: 0.5px solid var(--color-border);
  text-align: center;
}
.page-hero h1 {
  font-size: var(--fs-4xl);
  font-weight: var(--fw-semibold);
  margin-bottom: var(--sp-4);
  letter-spacing: -1px;
}
.page-hero h1 em { color: var(--color-accent); font-style: normal; }
.page-hero p {
  font-size: var(--fs-md);
  color: var(--color-fg-muted);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ---------- 产品详情页 ---------- */
.product-detail {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-4);
}
.product-detail-card {
  background: var(--color-bg-card);
  border: 0.5px solid var(--color-border);
  border-radius: var(--r-xl);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.product-detail-img {
  aspect-ratio: 16/9;
  background: linear-gradient(135deg, #1A1D24, #0F1115);
  position: relative;
}
.product-detail-img svg { width: 100%; height: 100%; }
.product-detail-body { padding: var(--sp-8); flex: 1; }
.product-detail-body h2 {
  font-size: var(--fs-2xl);
  font-weight: var(--fw-semibold);
  margin-bottom: var(--sp-3);
}
.product-detail-body .product-card-tag { margin-bottom: var(--sp-4); }
.product-detail-body p {
  font-size: var(--fs-base);
  color: var(--color-fg-muted);
  line-height: 1.8;
  margin-bottom: var(--sp-6);
}
.product-specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-3);
  margin-bottom: var(--sp-6);
  padding-top: var(--sp-6);
  border-top: 0.5px solid var(--color-border);
}
.product-spec-item span {
  display: block;
  font-size: var(--fs-xs);
  color: var(--color-fg-muted);
  letter-spacing: 1px;
  margin-bottom: 4px;
}
.product-spec-item strong {
  font-size: var(--fs-base);
  font-weight: var(--fw-medium);
  color: var(--color-fg);
}

/* ---------- 关于页 ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--sp-12);
  align-items: start;
}
.about-text h2 {
  font-size: var(--fs-3xl);
  font-weight: var(--fw-semibold);
  line-height: 1.25;
  margin-bottom: var(--sp-6);
  letter-spacing: -0.5px;
}
.about-text h2 em { color: var(--color-accent); font-style: normal; }
.about-text p {
  font-size: var(--fs-md);
  color: var(--color-fg-muted);
  line-height: 1.85;
  margin-bottom: var(--sp-4);
}
.about-side {
  background: var(--color-bg-card);
  border: 0.5px solid var(--color-border);
  border-radius: var(--r-xl);
  padding: var(--sp-8);
}
.about-side h3 {
  font-size: var(--fs-md);
  font-weight: var(--fw-medium);
  margin-bottom: var(--sp-4);
  padding-bottom: var(--sp-3);
  border-bottom: 0.5px solid var(--color-border);
}
.about-side-item {
  padding: var(--sp-3) 0;
  border-bottom: 0.5px solid var(--color-border);
}
.about-side-item:last-child { border-bottom: none; }
.about-side-item span {
  display: block;
  font-size: var(--fs-xs);
  color: var(--color-fg-muted);
  letter-spacing: 1px;
  margin-bottom: 4px;
}
.about-side-item strong {
  font-size: var(--fs-base);
  font-weight: var(--fw-medium);
}

/* ---------- 联系页 ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: var(--sp-10);
}
.contact-info-card {
  background: var(--color-bg-card);
  border: 0.5px solid var(--color-border);
  border-radius: var(--r-xl);
  padding: var(--sp-8);
}
.contact-info-card h3 {
  font-size: var(--fs-lg);
  font-weight: var(--fw-medium);
  margin-bottom: var(--sp-6);
}
.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
}
.contact-info-list-item {
  display: flex;
  gap: var(--sp-4);
  padding-bottom: var(--sp-5);
  border-bottom: 0.5px solid var(--color-border);
}
.contact-info-list-item:last-child { border-bottom: none; padding-bottom: 0; }
.contact-info-icon {
  width: 40px;
  height: 40px;
  background: var(--color-accent-dim);
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contact-info-icon svg {
  width: 20px;
  height: 20px;
  stroke: var(--color-accent);
  fill: none;
  stroke-width: 1.6;
}
.contact-info-list-item span {
  display: block;
  font-size: var(--fs-xs);
  color: var(--color-fg-muted);
  letter-spacing: 1px;
  margin-bottom: 4px;
}
.contact-info-list-item strong,
.contact-info-list-item a {
  display: block;
  font-size: var(--fs-base);
  font-weight: var(--fw-medium);
  color: var(--color-fg);
  line-height: 1.6;
}
.contact-info-list-item a:hover { color: var(--color-accent); }

.contact-form {
  background: var(--color-bg-card);
  border: 0.5px solid var(--color-border);
  border-radius: var(--r-xl);
  padding: var(--sp-8);
}
.contact-form h3 {
  font-size: var(--fs-lg);
  font-weight: var(--fw-medium);
  margin-bottom: var(--sp-2);
}
.contact-form p {
  font-size: var(--fs-sm);
  color: var(--color-fg-muted);
  margin-bottom: var(--sp-6);
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-3);
  margin-bottom: var(--sp-3);
}
.form-field { margin-bottom: var(--sp-3); }
.form-field label {
  display: block;
  font-size: var(--fs-xs);
  color: var(--color-fg-muted);
  letter-spacing: 1px;
  margin-bottom: 6px;
  text-transform: uppercase;
}
.form-field input,
.form-field textarea,
.form-field select {
  width: 100%;
  padding: 12px var(--sp-4);
  background: rgba(15, 17, 21, 0.6);
  border: 0.5px solid var(--color-border);
  border-radius: var(--r-md);
  color: var(--color-fg);
  font-size: var(--fs-base);
  transition: border-color var(--t-fast);
  font-family: inherit;
}
.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
  outline: none;
  border-color: var(--color-accent);
}
.form-field textarea { min-height: 120px; resize: vertical; }
.form-submit {
  margin-top: var(--sp-4);
  width: 100%;
}

/* ---------- 响应式 ---------- */
@media (max-width: 960px) {
  .hero-content {
    grid-template-columns: 1fr;
    gap: var(--sp-8);
  }
  .hero h1 { font-size: var(--fs-4xl); }
  .hero { min-height: auto; padding: var(--sp-12) 0 var(--sp-10); }
  .stat-bar-inner { grid-template-columns: repeat(2, 1fr); gap: var(--sp-4); }
  .stat-bar-item { padding: var(--sp-3) 0; }
  .stat-bar-item:nth-child(2) { border-right: none; }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .solutions-grid { grid-template-columns: 1fr; }
  .service-block { grid-template-columns: 1fr; }
  .cta-block {
    grid-template-columns: 1fr;
    padding: var(--sp-8);
  }
  .cta-block h2 { font-size: var(--fs-2xl); }
  .product-detail { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: var(--sp-8); }
  .contact-grid { grid-template-columns: 1fr; gap: var(--sp-6); }
  .page-hero { padding: var(--sp-12) 0 var(--sp-8); }
  .page-hero h1 { font-size: var(--fs-2xl); }
  .hero-meta { gap: var(--sp-6); flex-wrap: wrap; }
  .hero-meta-item strong { font-size: var(--fs-xl); }
}

@media (max-width: 640px) {
  .hero h1 { font-size: 36px; letter-spacing: -0.5px; }
  .hero-desc { font-size: var(--fs-base); }
  .hero-cta { flex-direction: column; }
  .hero-cta .btn { width: 100%; }
  body.apple .hero-meta {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px 20px;
  }
  .products-grid { grid-template-columns: 1fr; }
  .product-specs { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .cta-block { padding: var(--sp-6); }
  .cta-block h2 { font-size: var(--fs-xl); }
  .contact-info-card,
  .contact-form { padding: var(--sp-6); }
}

/* ========================================
   V17 性能优化：CSS 关键路径 / 字体回退
   - 减少 CSS 请求数：合并 page.css 到 apple.css
   - 删除 fonts.googleapis 死代码（实际用 system fonts）
   - 显式字体合成提示（避免浏览器合成粗体）
   ======================================== */

/* ---------- V17-1: 字体回退优化 ----------
   系统字体优先（PingFang SC / Microsoft YaHei），网络字体缺位时回退到 emoji-friendly fonts */
body, body.apple {
  font-synthesis: none;            /* 防止浏览器合成粗体 */
  text-rendering: optimizeLegibility;
}

/* 注：content-visibility: auto 会在屏幕外的 section 与 fade-in opacity:0 冲突
   导致滚动外的元素永久不可见，V17 暂不启用；如需启用需配合 JS 控制 fade-in 触发 */

/* ========================================
   V26: 视频展示区（首页 VIDEO SHOWCASE + 产品页视频）
   ======================================== */
.video-showcase-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 20px;
}
.video-card {
  position: relative;
  background: #000;
  border-radius: 14px;
  overflow: hidden;
  aspect-ratio: 16/9;
  box-shadow: 0 12px 32px rgba(0,0,0,0.08);
  transition: transform 0.3s ease;
}
.video-card:hover { transform: translateY(-2px); }
.video-card video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.video-card-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  padding: 6px 12px;
  background: rgba(0,0,0,0.55);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1px;
  border-radius: 4px;
  backdrop-filter: blur(8px);
}
.video-card-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 24px 18px 14px;
  background: linear-gradient(180deg, rgba(0,0,0,0) 0%, rgba(0,0,0,0.7) 100%);
  color: #fff;
}
.video-card-caption strong {
  display: block;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
}
.video-card-caption small {
  font-size: 12px;
  opacity: 0.85;
}
@media (max-width: 768px) {
  .video-showcase-grid { grid-template-columns: 1fr; }
  .video-card-caption { padding: 18px 14px 12px; }
  .video-card-caption strong { font-size: 14px; }
}

/* ========================================
   V26: 产品页视频插入（嵌入在 .product-detail-card 内）
   ======================================== */
.product-detail-video {
  width: 100%;
  height: 100%;
  border-radius: 12px;
  background: #000;
  object-fit: cover;
  display: block;
}

/* ========================================
   V26: about 团队场景照片墙
   ======================================== */
.scene-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  grid-auto-rows: 220px;
  gap: 16px;
  margin-top: 32px;
}
.scene-tile {
  position: relative;
  overflow: hidden;
  border-radius: 14px;
  margin: 0;
  background: #F5F5F7;
  grid-column: span 2;
}
.scene-tile--wide {
  grid-column: span 4;
}
.scene-tile img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}
.scene-tile:hover img { transform: scale(1.04); }
.scene-tile figcaption {
  position: absolute;
  inset: auto 0 0 0;
  padding: 20px 16px 14px;
  background: linear-gradient(180deg, rgba(0,0,0,0) 0%, rgba(0,0,0,0.65) 100%);
  color: #fff;
  font-size: 14px;
}
.scene-tile figcaption strong { display: block; font-size: 14px; font-weight: 600; margin-bottom: 2px; }
.scene-tile figcaption small { font-size: 12px; opacity: 0.85; }
@media (max-width: 1024px) {
  .scene-grid { grid-template-columns: repeat(4, 1fr); grid-auto-rows: 200px; }
  .scene-tile { grid-column: span 2; }
  .scene-tile--wide { grid-column: span 4; }
}
@media (max-width: 640px) {
  .scene-grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 180px; gap: 12px; }
  .scene-tile, .scene-tile--wide { grid-column: span 2; }
  .scene-tile figcaption { padding: 14px 12px 10px; }
}

/* ========================================
   V26: contact.html 二维码双通道
   ======================================== */
.qr-tile {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 10px;
  background: rgba(0,0,0,0.03);
  border-radius: 10px;
  text-decoration: none;
  color: inherit;
  transition: background 0.2s ease;
}
.qr-tile:hover { background: rgba(0,0,0,0.06); }
.qr-tile-label { text-align: center; }
.qr-tile-label strong { display: block; font-size: 13px; color: var(--color-fg); margin-bottom: 2px; }
.qr-tile-label small { font-size: 11px; color: var(--color-fg-muted); line-height: 1.5; }
@media (max-width: 480px) {
  .qr-tile { flex: 1 1 calc(50% - 9px); min-width: 0; }
}

/* ========================================
   V27: Hero 次 CTA (观看 90 秒演示 ↓)
   ======================================== */
.btn-link {
  background: transparent;
  color: var(--color-accent);
  border: 0;
  padding: 14px 18px;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  transition: opacity 0.2s ease;
}
.btn-link:hover { opacity: 0.7; }
.hero-watch-link {
  font-size: 15px;
  letter-spacing: 0.02em;
}
@media (max-width: 640px) {
  .hero-watch-link { font-size: 14px; padding: 10px 12px; }
}

/* ========================================
   V27: 右下角悬浮 CTA（滚动后显示）
   ======================================== */
.floating-cta {
  position: fixed;
  right: 20px;
  top: 50%;
  transform: translate(20px, -50%);
  z-index: 999;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 18px;
  background: var(--color-accent, #E60012);
  color: #fff;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-decoration: none;
  box-shadow: 0 8px 24px rgba(230,0,18,0.35), 0 2px 8px rgba(0,0,0,0.12);
  opacity: 0;
  pointer-events: none;
  writing-mode: vertical-rl;
  text-orientation: upright;
  transition: opacity 0.3s ease, transform 0.3s ease, background 0.2s ease;
}
.floating-cta.visible {
  opacity: 1;
  transform: translate(0, -50%);
  pointer-events: auto;
}
.floating-cta:hover {
  background: #c80010;
  box-shadow: 0 10px 28px rgba(230,0,18,0.45), 0 4px 12px rgba(0,0,0,0.15);
}
.floating-cta svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}
@media (max-width: 640px) {
  .floating-cta {
    right: 12px;
    top: auto;
    bottom: 76px;  /* 在 mobile-tabbar 上方 */
    writing-mode: horizontal-tb;
    padding: 10px 14px;
    font-size: 13px;
    border-radius: 999px;
    transform: translateY(20px);
  }
  .floating-cta.visible { transform: translateY(0); }
  .floating-cta svg { width: 16px; height: 16px; }
}
/* ============================================================
   V30 抽离 inline style 高频模式(从 153 处散落 inline style 收敛)
   ============================================================ */
.bg-alt { background: rgba(255, 255, 255, 0.02); }
.bg-fade-top-soft {
  background: linear-gradient(180deg, rgba(255,255,255,0.6) 0%, rgba(245,245,247,1) 100%);
  padding-top: 80px;
}
.bg-fade-bottom-soft {
  background: linear-gradient(180deg, rgba(250,250,252,1) 0%, rgba(255,255,255,1) 100%);
}
.bg-fade-bottom-to-white {
  background: linear-gradient(180deg, rgba(255,255,255,1) 0%, rgba(250,250,252,1) 100%);
  padding-top: 100px;
}
.section-head-center {
  text-align: center;
  margin-bottom: 56px;
}
.section-head-center .section-eyebrow { justify-content: center; }
.newsletter-input {
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font-size: 14px;
  width: 100%;
  margin-bottom: 8px;
  background: rgba(255,255,255,0.05);
  color: var(--color-fg);
}
.newsletter-btn {
  padding: 10px 16px;
  background: var(--color-accent);
  color: #fff;
  border: 0;
  border-radius: 8px;
  font-size: 14px;
  cursor: pointer;
  width: 100%;
}
.footer-brand { margin-bottom: 16px; }
.team-stat-num {
  font-size: clamp(40px, 5vw, 56px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -1px;
  color: var(--color-fg);
  margin-bottom: 12px;
}
.team-stat-num sup { font-size: 0.5em; vertical-align: super; font-weight: 600; }

/* ========== V31 display utility ========== */
/* 替换 HTML 里散落的 style="font-size: clamp(...)" */
body.apple .display-1 { font-size: clamp(48px, 7.5vw, 104px); line-height: 1.04; letter-spacing: -0.045em; font-weight: var(--fw-bold); }
body.apple .display-2 { font-size: clamp(40px, 5.8vw, 72px);  line-height: 1.05; letter-spacing: -0.035em; font-weight: var(--fw-bold); }
body.apple .display-3 { font-size: clamp(36px, 4.5vw, 56px);  line-height: 1.08; letter-spacing: -0.03em;  font-weight: var(--fw-bold); }
body.apple .display-4 { font-size: clamp(32px, 4vw, 48px);    line-height: 1.1;  letter-spacing: -0.025em; font-weight: var(--fw-bold); }

/* ========== V33 品牌墙纯 CSS 版已被 V33c img 接管,此段废弃 ========== */

/* ========== V32 inline style 清理 utility ========== */
/* 替换 50+ 处常见 inline 模式 */
body.apple .drawer-row-label { display: block; color: var(--color-fg); font-size: 16px; }
body.apple .drawer-row-meta  { color: var(--color-fg-muted); font-size: 13px; }
body.apple .eyebrow-center   { justify-content: center; }
body.apple .list-marker-accent { position: absolute; left: 0; color: var(--color-accent); font-weight: 600; }
body.apple .list-item-rel    { padding: 6px 0; padding-left: 20px; position: relative; }
body.apple .newsletter-hint  { font-size: 13px; color: var(--color-fg-muted); margin-bottom: 12px; }
body.apple .link-inherit     { color: inherit; }
body.apple .section-subtitle-wide { max-width: 640px; margin: 16px auto 0; color: var(--color-fg-muted); font-size: 17px; line-height: 1.6; }
body.apple .subtitle-18      { font-size: 18px; }
body.apple .list-reset       { margin: 16px 0; padding-left: 0; list-style: none; }

/* V32-2: 颜色 + 背景 utility */
body.apple .text-fg          { color: var(--color-fg); }
body.apple .text-accent      { color: var(--color-accent); }
body.apple .bg-faint         { background: rgba(255,255,255,0.02); }
body.apple .accent-label     { font-size: 22px; font-weight: 500; margin-bottom: 16px; color: var(--color-accent); }
body.apple .subtitle-wide-18 { font-size: 18px; max-width: 640px; margin: 16px auto 0; }

/* ========== V32 产品参数对照表 ========== */
body.apple .spec-table-wrap {
  overflow-x: auto;
  border-radius: 12px;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
}
body.apple .spec-table {
  width: 100%;
  min-width: 880px;
  border-collapse: collapse;
  font-size: 14px;
}
body.apple .spec-table thead {
  background: linear-gradient(180deg, rgba(245,245,247,1) 0%, rgba(250,250,252,1) 100%);
  position: sticky; top: 0; z-index: 2;
}
body.apple .spec-table th {
  text-align: left;
  padding: 14px 16px;
  font-weight: 600;
  color: var(--color-fg);
  border-bottom: 2px solid var(--color-border);
  white-space: nowrap;
  font-size: 13px;
  letter-spacing: 0.02em;
}
body.apple .spec-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
  color: var(--color-fg-muted);
  line-height: 1.5;
}
body.apple .spec-table tbody tr:last-child td { border-bottom: 0; }
body.apple .spec-table tbody tr:hover { background: rgba(0,0,0,0.02); }
body.apple .spec-table td strong { color: var(--color-fg); font-weight: 600; display: block; margin-bottom: 2px; }
body.apple .spec-note {
  font-size: 13px;
  color: var(--color-fg-muted);
  margin-top: 16px;
  text-align: right;
  font-style: italic;
}

/* ========== V32 FAQ accordion ========== */
body.apple .faq-list { display: flex; flex-direction: column; gap: 12px; }
body.apple .faq-item {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 14px;
  padding: 0;
  transition: border-color 0.2s;
}
body.apple .faq-item[open] { border-color: var(--color-accent); }
body.apple .faq-item summary {
  cursor: pointer;
  padding: 20px 56px 20px 24px;
  font-size: 17px;
  font-weight: 600;
  color: var(--color-fg);
  list-style: none;
  position: relative;
  user-select: none;
}
body.apple .faq-item summary::-webkit-details-marker { display: none; }
body.apple .faq-item summary::after {
  content: '+';
  position: absolute;
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 24px;
  font-weight: 300;
  color: var(--color-accent);
  transition: transform 0.2s;
}
body.apple .faq-item[open] summary::after {
  content: '−';
  font-size: 28px;
}
body.apple .faq-answer {
  padding: 0 24px 20px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-fg-muted);
}
body.apple .faq-answer strong { color: var(--color-accent); font-weight: 600; }
.qr-thumb {
  width: 96px;
  height: 96px;
  background: white;
  padding: 4px;
  border-radius: 6px;
  display: block;
}