/* =====================================================================
   OXYSPACE Design System — bright, clean, medical-grade blue
   Tokens drive all pages; see docs/design-spec.md
   ===================================================================== */

:root {
  /* Brand */
  --primary: #0B6CFF;
  --primary-600: #0857D6;
  --primary-700: #0A48AF;
  --primary-50: #EAF2FF;
  --primary-100: #D6E6FF;

  /* Neutrals */
  --ink: #10233F;
  --ink-soft: #33455F;
  --muted: #5C6F8C;
  --line: #E3EAF5;
  --bg: #FFFFFF;
  --bg-soft: #F6F9FE;

  /* Semantic */
  --accent: #14B8A6;
  --success: #16A34A;
  --warning: #D97706;
  --danger: #DC2626;

  /* Shape & depth */
  --radius: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 2px 8px rgba(16, 35, 63, 0.06);
  --shadow-md: 0 8px 24px rgba(11, 108, 255, 0.10);
  --shadow-lg: 0 16px 40px rgba(11, 108, 255, 0.14);

  /* Motion */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --dur: 0.6s;

  /* Type */
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
}

/* ---------- Base ---------- */

* { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--primary); text-decoration: none; transition: color 0.2s var(--ease-out); }
a:hover { color: var(--primary-600); }

h1, h2, h3, h4 { color: var(--ink); line-height: 1.2; margin: 0 0 0.5em; font-weight: 700; }
h1 { font-size: clamp(2rem, 5vw, 3.4rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.5rem, 3.4vw, 2.2rem); letter-spacing: -0.015em; }
h3 { font-size: 1.18rem; }

.container-wide {
  width: min(1200px, 92vw);
  margin: 0 auto;
}

.section { padding: 96px 0; }
.section-soft { background: var(--bg-soft); }

.section-head { max-width: 720px; margin: 0 auto 56px; text-align: center; }
.section-head p { color: var(--muted); margin: 0; }

.eyebrow {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--primary);
  background: var(--primary-50);
  border-radius: 999px;
  padding: 6px 14px;
  margin-bottom: 16px;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font: inherit;
  font-weight: 600;
  border-radius: 999px;
  padding: 13px 28px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.25s var(--ease-out), box-shadow 0.25s var(--ease-out),
    background 0.25s var(--ease-out), color 0.2s var(--ease-out);
}

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--primary-600));
  box-shadow: 0 8px 20px rgba(11, 108, 255, 0.28);
}
.btn-primary:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(11, 108, 255, 0.36);
}

.btn-ghost {
  color: var(--primary);
  background: var(--primary-50);
}
.btn-ghost:hover { color: var(--primary-700); background: var(--primary-100); }

.btn-outline {
  color: var(--ink);
  border-color: var(--line);
  background: #fff;
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid var(--line);
}

.site-header .inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 72px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 0.95rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  box-shadow: var(--shadow-md);
}

.main-nav { display: flex; align-items: center; gap: 8px; }
/* 下拉父项（.nav-drop > a）与平级链接同样式，避免默认链接样式混入 */
.main-nav > a, .main-nav .nav-parent {
  color: var(--ink-soft);
  font-weight: 500;
  padding: 10px 16px;
  border-radius: 999px;
  white-space: nowrap;
}
.main-nav > a:hover, .main-nav .nav-parent:hover { color: var(--primary); background: var(--primary-50); }

.nav-toggle { display: none; }

/* ---------- Hero ---------- */

.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(900px 420px at 85% -10%, rgba(20, 184, 166, 0.14), transparent 60%),
    radial-gradient(1100px 520px at 12% 8%, rgba(11, 108, 255, 0.16), transparent 55%),
    linear-gradient(180deg, #F3F8FF 0%, #FFFFFF 100%);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
  padding: 104px 0 112px;
}

.hero h1 .accent { color: var(--primary); }
.hero .lead { font-size: 1.15rem; color: var(--muted); margin: 0 0 32px; }
.hero .actions { display: flex; flex-wrap: wrap; gap: 14px; }

.hero-stats { display: flex; gap: 40px; margin-top: 48px; flex-wrap: wrap; }
.hero-stats .stat b { display: block; font-size: 1.7rem; color: var(--primary); letter-spacing: -0.02em; }
.hero-stats .stat span { color: var(--muted); font-size: 0.9rem; }

.hero-visual {
  position: relative;
  aspect-ratio: 5 / 4;
  border-radius: var(--radius);
  background: linear-gradient(145deg, var(--primary-50), #fff);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-visual::before,
.hero-visual::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(2px);
  opacity: 0.55;
  animation: float 7s var(--ease-out) infinite alternate;
}
.hero-visual::before {
  width: 220px; height: 220px;
  background: radial-gradient(circle at 30% 30%, #9CC4FF, var(--primary-100));
  top: -60px; right: -40px;
}
.hero-visual::after {
  width: 160px; height: 160px;
  background: radial-gradient(circle at 60% 40%, #8EE8DC, var(--accent));
  bottom: -50px; left: -30px;
  animation-delay: 2.2s;
}

.hero-visual .device {
  position: relative;
  z-index: 1;
  width: 68%;
  aspect-ratio: 4 / 3;
  border-radius: 14px;
  background: linear-gradient(160deg, #FFFFFF, #EAF2FF);
  border: 1px solid var(--primary-100);
  box-shadow: 0 24px 48px rgba(11, 108, 255, 0.18);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: var(--primary-700);
  font-weight: 700;
}

.hero-visual .device .pulse {
  width: 54px; height: 54px; border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  position: relative;
}
.hero-visual .device .pulse::after {
  content: "";
  position: absolute; inset: -10px;
  border-radius: 50%;
  border: 2px solid rgba(11, 108, 255, 0.35);
  animation: pulse-ring 2.4s var(--ease-out) infinite;
}

@keyframes pulse-ring {
  0% { transform: scale(0.7); opacity: 1; }
  100% { transform: scale(1.5); opacity: 0; }
}
@keyframes float {
  from { transform: translateY(0); }
  to { transform: translateY(22px); }
}

/* ---------- Cards & grids ---------- */

.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.35s var(--ease-out), box-shadow 0.35s var(--ease-out),
    border-color 0.35s var(--ease-out);
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-100);
}

.card .icon {
  width: 46px; height: 46px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  background: var(--primary-50);
  color: var(--primary);
  font-size: 1.3rem;
  margin-bottom: 16px;
}

.card h3 { margin-bottom: 8px; }
.card p { color: var(--muted); margin: 0; font-size: 0.95rem; }

.card .tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--success);
  background: rgba(22, 163, 74, 0.1);
  border-radius: 999px;
  padding: 3px 10px;
  margin-bottom: 12px;
}
.card .tag.off { color: var(--muted); background: var(--bg-soft); }

/* ---------- Footer ---------- */

.site-footer { background: #0C1B33; color: #B9C6DD; padding: 64px 0 32px; margin-top: 96px; }
.site-footer a { color: #B9C6DD; }
.site-footer a:hover { color: #fff; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; }
.footer-grid h4 { color: #fff; font-size: 0.95rem; margin-bottom: 18px; }
.footer-grid ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.footer-slogan { margin: 14px 0 0; font-size: 0.92rem; color: #8A9BB8; }
/* 联系方式竖排分行，避免邮箱/电话串成一行 */
.footer-contact { margin-top: 20px; display: grid; gap: 10px; font-size: 0.94rem; }
.footer-contact a, .footer-contact span { display: inline-flex; align-items: center; gap: 6px; width: fit-content; }
.footer-social { margin-top: 18px; display: flex; flex-wrap: wrap; gap: 8px 18px; font-size: 0.86rem; }
.footer-bottom {
  margin-top: 48px; padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  font-size: 0.88rem;
}

/* ---------- Reveal-on-scroll animation ---------- */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity var(--dur) var(--ease-out), transform var(--dur) var(--ease-out);
  will-change: opacity, transform;
}
.reveal.is-visible { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: 0.08s; }
.reveal[data-delay="2"] { transition-delay: 0.16s; }
.reveal[data-delay="3"] { transition-delay: 0.24s; }
.reveal[data-delay="4"] { transition-delay: 0.32s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero-visual::before, .hero-visual::after,
  .hero-visual .device .pulse::after { animation: none; }
  *, *::before, *::after { transition-duration: 0.01ms !important; }
}

/* ---------- Responsive ---------- */

@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 860px) {
  .section { padding: 64px 0; }
  .hero-inner { grid-template-columns: 1fr; padding: 72px 0 80px; }
  .hero-visual { max-width: 460px; }
  .grid-3 { grid-template-columns: 1fr; }

  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px; height: 42px;
    border-radius: 10px;
    border: 1px solid var(--line);
    background: #fff;
    cursor: pointer;
    font-size: 1.2rem;
    color: var(--ink);
  }

  .main-nav {
    position: absolute;
    top: 72px; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    background: #fff;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-md);
    padding: 12px 4vw 20px;
    gap: 2px;
    display: none;
  }
  .main-nav.open { display: flex; }
  .main-nav > a, .main-nav .nav-parent { border-radius: var(--radius-sm); padding: 12px 14px; }
}

@media (max-width: 640px) {
  .grid-2, .grid-4 { grid-template-columns: 1fr; }
  .hero-stats { gap: 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .btn { width: 100%; }
  .hero .actions { flex-direction: column; align-items: stretch; }
  .breadcrumb { margin-top: 14px; }
  .breadcrumb-list { font-size: 0.8rem; padding: 5px 12px; }
  .breadcrumb-list .current { max-width: 180px; }
}


/* =====================================================================
   M4 page components
   ===================================================================== */

/* ---------- Header extras（CTA + 下拉导航） ---------- */
.header-cta { padding: 9px 20px; font-size: 0.9rem; white-space: nowrap; }
.nav-drop { position: relative; }
.nav-drop .nav-parent { display: inline-flex; align-items: center; gap: 4px; }
.nav-drop .caret { font-size: 0.7rem; opacity: 0.6; }
.nav-drop-menu {
  position: absolute; top: 100%; left: 0;
  min-width: 220px; z-index: 60; margin-top: 10px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md); padding: 8px;
  display: none; flex-direction: column;
}
/* 隐形热区桥接父项与菜单的间距，鼠标移向菜单时不丢失 hover */
.nav-drop-menu::before {
  content: ""; position: absolute; left: 0; right: 0; top: -12px; height: 12px;
}
.nav-drop:hover .nav-drop-menu, .nav-drop:focus-within .nav-drop-menu { display: flex; }
.nav-drop-menu a {
  color: var(--ink-soft); font-weight: 500; padding: 10px 12px; border-radius: 8px;
}
.nav-drop-menu a:hover { background: var(--primary-50); color: var(--primary); }
.nav-drop-menu a.active { color: var(--primary); background: var(--primary-50); font-weight: 600; }
/* 三级子菜单：二级项带孙项时（.nav-sub）向右侧飞出；
   left 起点压在父菜单 8px 内边距上，无空隙所以 hover 不会中断 */
.nav-sub { position: relative; }
.nav-sub > .nav-sub-parent {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
}
.nav-sub .caret-r { font-size: 0.7rem; opacity: 0.6; }
.nav-sub-menu {
  position: absolute; top: -9px; left: calc(100% - 1px);
  min-width: 200px; z-index: 61;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md); padding: 8px;
  display: none; flex-direction: column;
}
.nav-sub:hover .nav-sub-menu, .nav-sub:focus-within .nav-sub-menu { display: flex; }
.main-nav > a.active, .main-nav .nav-parent.active {
  color: var(--primary); background: var(--primary-50); font-weight: 600;
}
.brand-logo { height: 34px; width: auto; }

/* ---------- Hero 轮播 ---------- */
/* --hero-h 由模板按后台配置的视口百分比写入（module-hero.ftlh），缺省保持原观感 */
.hero-carousel { position: relative; overflow: hidden; background: #0C1B33; --hero-h: min(78vh, 640px); }
.carousel-track { position: relative; min-height: var(--hero-h, min(78vh, 640px)); }
.carousel-slide {
  position: absolute; inset: 0; opacity: 0;
  transition: opacity 0.7s var(--ease-out);
  background-size: cover; background-position: center;
}
.carousel-slide.active { position: relative; opacity: 1; }
.carousel-slide::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(12,27,51,0.72) 0%, rgba(12,27,51,0.38) 55%, rgba(12,27,51,0.18) 100%);
}
.slide-content {
  position: relative; z-index: 2;
  display: flex; flex-direction: column; justify-content: center; align-items: flex-start;
  min-height: var(--hero-h, min(78vh, 640px)); padding: 96px 0; max-width: 720px;
}
.slide-title { color: #fff; font-size: clamp(2.1rem, 5vw, 3.6rem); }
.slide-subtitle { color: rgba(255,255,255,0.82); font-size: 1.12rem; margin: 0 0 28px; }
.slide-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.btn-outline-light {
  color: #fff; border-color: rgba(255,255,255,0.55); background: rgba(255,255,255,0.06);
}
.btn-outline-light:hover { border-color: #fff; background: rgba(255,255,255,0.14); }
.carousel-btn {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 5;
  width: 46px; height: 46px; border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.4); background: rgba(255,255,255,0.14);
  color: #fff; font-size: 1.5rem; cursor: pointer; line-height: 1;
}
.carousel-btn:hover { background: rgba(255,255,255,0.3); }
.carousel-btn.prev { left: 18px; }
.carousel-btn.next { right: 18px; }
.carousel-dots {
  position: absolute; bottom: 22px; left: 50%; transform: translateX(-50%); z-index: 5;
  display: flex; gap: 8px;
}
.carousel-dots button {
  width: 9px; height: 9px; border-radius: 50%; padding: 0;
  border: none; background: rgba(255,255,255,0.45); cursor: pointer;
}
.carousel-dots button.active { background: #fff; }

/* ---------- Hero 统计条 ---------- */
.hero-stats-bar { background: #fff; border-bottom: 1px solid var(--line); }
.stats-strip {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 20px; padding: 30px 0; text-align: center;
}
.stat-cell b { display: block; font-size: 1.6rem; color: var(--primary); letter-spacing: -0.02em; }
.stat-cell span { color: var(--muted); font-size: 0.85rem; }

/* ---------- 通用页面横幅 ---------- */
.page-hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(900px 400px at 85% -10%, rgba(20,184,166,0.12), transparent 60%),
    radial-gradient(1000px 480px at 10% 0%, rgba(11,108,255,0.14), transparent 55%),
    linear-gradient(180deg, #F3F8FF, #fff);
}
.page-hero-bg { position: absolute; inset: 0; background-size: cover; background-position: center; }
.page-hero-bg::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(12,27,51,0.66), rgba(12,27,51,0.3));
}
.page-hero-inner { position: relative; z-index: 2; padding: 88px 0; }
.page-hero-inner h1 { color: var(--ink); margin: 0; }
.page-hero-inner p { color: var(--muted); font-size: 1.1rem; max-width: 640px; margin: 14px 0 0; }
.page-hero:has(.page-hero-bg) .page-hero-inner h1 { color: #fff; }
.page-hero:has(.page-hero-bg) .page-hero-inner p { color: rgba(255,255,255,0.85); }

/* ---------- 面包屑（胶囊条，与导航圆角语言一致） ---------- */
.breadcrumb { margin-top: 20px; }
.breadcrumb-list {
  list-style: none; margin: 0;
  display: inline-flex; align-items: center; flex-wrap: wrap; gap: 2px;
  max-width: 100%;
  padding: 6px 14px;
  background: #fff; border: 1px solid var(--line); border-radius: 999px;
  box-shadow: var(--shadow-sm);
  font-size: 0.85rem; color: var(--muted);
}
.breadcrumb-list li { display: inline-flex; align-items: center; min-width: 0; }
.breadcrumb-list li + li::before {
  content: "›"; margin: 0 3px; color: #B7C4D8; font-weight: 600;
}
.breadcrumb-list a {
  display: inline-flex; align-items: center; gap: 5px;
  color: var(--muted); padding: 3px 9px; border-radius: 999px;
}
.breadcrumb-list a:hover { color: var(--primary); background: var(--primary-50); }
.breadcrumb-list .bc-home svg { display: block; }
.breadcrumb-list .current {
  color: var(--ink); font-weight: 600; padding: 3px 9px;
  max-width: 340px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}

/* ---------- 产品卡 ---------- */
.product-card {
  display: flex; flex-direction: column;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow-sm); color: inherit;
  transition: transform 0.35s var(--ease-out), box-shadow 0.35s var(--ease-out), border-color 0.35s var(--ease-out);
}
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: var(--primary-100); }
.product-media { position: relative; aspect-ratio: 4/3; background: var(--bg-soft); }
.product-media img { width: 100%; height: 100%; object-fit: cover; }
.media-placeholder {
  width: 100%; height: 100%; min-height: 120px;
  display: flex; align-items: center; justify-content: center;
  color: var(--primary-600); font-weight: 800; letter-spacing: 0.08em;
  background: linear-gradient(145deg, var(--primary-50), #fff); font-size: 0.85rem;
}
.sale-flag {
  position: absolute; top: 12px; left: 12px;
  background: var(--danger); color: #fff; font-size: 0.72rem; font-weight: 700;
  border-radius: 999px; padding: 4px 12px;
}
.sale-flag-inline {
  display: inline-block; margin-left: 8px;
  background: rgba(220,38,38,0.1); color: var(--danger);
  font-size: 0.75rem; font-weight: 700; border-radius: 999px; padding: 3px 10px;
}
.product-body { display: flex; flex-direction: column; gap: 8px; padding: 18px 20px 20px; flex: 1; }
.product-body h3 { margin: 0; font-size: 1.05rem; }
.product-model { font-size: 0.8rem; color: var(--muted); font-weight: 600; }
.product-body p { margin: 0; color: var(--muted); font-size: 0.9rem; }
.product-points { margin: 0; padding-left: 18px; color: var(--muted); font-size: 0.85rem; display: grid; gap: 3px; }
.product-foot { margin-top: auto; display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.product-price b { color: var(--primary); font-size: 1.1rem; }
.product-price s { color: var(--muted); font-size: 0.85rem; margin-right: 6px; }
.muted-text { color: var(--muted); font-size: 0.9rem; }
.product-cta { color: var(--primary); font-weight: 600; font-size: 0.88rem; white-space: nowrap; }

/* ---------- 分类卡片（总列表） ---------- */
.cat-card {
  position: relative; display: block; border-radius: var(--radius); overflow: hidden;
  min-height: 300px; box-shadow: var(--shadow-sm);
  transition: transform 0.35s var(--ease-out), box-shadow 0.35s var(--ease-out);
}
.cat-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); color: inherit; }
.cat-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.cat-card .cat-body {
  position: relative; z-index: 2; min-height: 300px;
  display: flex; flex-direction: column; justify-content: flex-end; align-items: flex-start;
  padding: 26px; background: linear-gradient(180deg, transparent 20%, rgba(12,27,51,0.82));
  color: #fff;
}
.cat-body h2 { color: #fff; margin: 0 0 6px; font-size: 1.5rem; }
.cat-body p { color: rgba(255,255,255,0.82); margin: 0 0 12px; font-size: 0.92rem; }
.cat-meta { color: var(--primary-100); font-size: 0.85rem; font-weight: 600; }

/* ---------- 分类 chip ---------- */
.chip-bar { background: #fff; border-bottom: 1px solid var(--line); padding: 16px 0; }
.chip-bar .container-wide { display: flex; gap: 10px; flex-wrap: wrap; }
.chip {
  border: 1px solid var(--line); background: #fff; color: var(--ink-soft);
  border-radius: 999px; padding: 7px 16px; font-size: 0.88rem; font-weight: 500;
}
.chip:hover { border-color: var(--primary); color: var(--primary); }
.chip.active { background: var(--primary); border-color: var(--primary); color: #fff; }

/* ---------- 场景卡 ---------- */
.scene-card {
  position: relative; display: block; border-radius: var(--radius); overflow: hidden;
  min-height: 320px; box-shadow: var(--shadow-sm);
  transition: transform 0.35s var(--ease-out), box-shadow 0.35s var(--ease-out);
}
.scene-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); color: inherit; }
.scene-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.scene-body {
  position: relative; z-index: 2; min-height: 320px;
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 26px; background: linear-gradient(180deg, transparent 15%, rgba(12,27,51,0.85));
  color: #fff;
}
.scene-body h3 { color: #fff; margin: 0 0 10px; font-size: 1.3rem; }
.scene-points { margin: 0 0 14px; padding-left: 18px; color: rgba(255,255,255,0.85); font-size: 0.88rem; display: grid; gap: 4px; }
.scene-cta { color: var(--primary-100); font-weight: 600; font-size: 0.88rem; }

/* ---------- 视频卡 ---------- */
.video-card h3 { font-size: 0.98rem; margin: 12px 0 0; }
.video-cover {
  position: relative; display: block; width: 100%; border: none; padding: 0; cursor: pointer;
  border-radius: var(--radius); overflow: hidden; aspect-ratio: 4/3;
  background: var(--bg-soft);
}
.video-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s var(--ease-out); }
.video-card:hover .video-cover img { transform: scale(1.04); }
.play-badge {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 58px; height: 58px; border-radius: 50%;
  background: rgba(11,108,255,0.92); color: #fff; font-size: 1.2rem;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 22px rgba(11,108,255,0.4);
}
.video-frame, .video-frame video { width: 100%; aspect-ratio: 4/3; border: none; border-radius: var(--radius); display: block; }

/* ---------- 关于模块（demo.png 风格：左文右图 + 叠图 + 浮动徽章） ---------- */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.about-intro { color: var(--muted); font-size: 1.02rem; margin: 0 0 6px; }
.about-checks { list-style: none; margin: 26px 0 30px; padding: 0; display: grid; gap: 16px; }
.about-checks li { display: flex; gap: 12px; align-items: flex-start; color: var(--ink-soft); }
.about-checks .check-icon {
  flex: none; width: 24px; height: 24px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  background: rgba(22, 163, 74, 0.12); color: var(--success); margin-top: 2px;
}
.about-collage { position: relative; padding: 0 0 42px 42px; }
.about-img-main {
  width: 100%; border-radius: var(--radius); box-shadow: var(--shadow-lg);
  aspect-ratio: 4 / 3.1; object-fit: cover;
}
.about-img-2 {
  position: absolute; left: 0; bottom: 0;
  width: 46%; aspect-ratio: 4 / 3; object-fit: cover;
  border: 6px solid #fff; border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
}
.about-badge {
  position: absolute; right: 18px; bottom: 8px;
  display: flex; flex-direction: column; gap: 2px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 14px 18px; box-shadow: var(--shadow-md); max-width: 240px;
}
.about-badge b { font-size: 1.25rem; color: var(--primary); letter-spacing: -0.02em; }
.about-badge span { color: var(--muted); font-size: 0.8rem; line-height: 1.4; }
.about-badge-icon {
  width: 40px; height: 40px; border-radius: 10px; margin-bottom: 6px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--primary-50); color: var(--primary);
}
/* 旧版编号要点（历史配置兜底渲染） */
.about-bullets { list-style: none; margin: 28px 0; padding: 0; display: grid; gap: 18px; }
.about-bullets li { display: flex; gap: 14px; align-items: flex-start; }
.about-bullets .num {
  flex: none; width: 30px; height: 30px; border-radius: 8px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--primary-50); color: var(--primary); font-weight: 700; font-size: 0.85rem;
}
.about-visual img { border-radius: var(--radius); box-shadow: var(--shadow-lg); }

/* ---------- 优势卡 ---------- */
.adv-card b.adv-value { display: block; font-size: 1.6rem; color: var(--primary); letter-spacing: -0.02em; margin-bottom: 6px; }

/* ---------- 证言卡 ---------- */
.testimonial-card { display: flex; flex-direction: column; }
.testimonial-card blockquote { margin: 0 0 16px; font-size: 0.94rem; color: var(--ink-soft); }
.testimonial-card figcaption { display: flex; align-items: center; gap: 12px; margin-top: auto; }
.t-avatar { width: 44px; height: 44px; border-radius: 50%; object-fit: cover; }
.t-avatar-fallback {
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--primary-50); color: var(--primary); font-weight: 700;
}
.testimonial-card figcaption b { display: block; font-size: 0.92rem; }
.t-country, .t-identity { display: block; font-size: 0.78rem; color: var(--muted); }

/* ---------- 文章卡 ---------- */
.post-card {
  display: flex; flex-direction: column; background: #fff;
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow-sm); color: inherit;
  transition: transform 0.35s var(--ease-out), box-shadow 0.35s var(--ease-out);
}
.post-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.post-cover img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.post-body { padding: 18px 20px 20px; display: flex; flex-direction: column; gap: 8px; }
.post-body h2, .post-body h3 { margin: 0; font-size: 1.08rem; }
.post-body p { margin: 0; color: var(--muted); font-size: 0.9rem; }
.post-meta { display: flex; gap: 12px; align-items: center; font-size: 0.78rem; color: var(--muted); }
.post-cat { color: var(--primary); font-weight: 700; }

/* ---------- CTA 带 / 联系带 ---------- */
.cta-band {
  background:
    radial-gradient(700px 300px at 88% 0%, rgba(20,184,166,0.16), transparent 60%),
    linear-gradient(120deg, var(--primary-700), var(--primary));
  color: #fff; padding: 84px 0;
}
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.cta-inner h2 { color: #fff; margin: 0 0 8px; }
.cta-inner p { color: rgba(255,255,255,0.85); margin: 0; max-width: 560px; }
.cta-promise { margin-top: 10px !important; font-weight: 600; }
.btn-lg { padding: 16px 34px; font-size: 1.05rem; }
.contact-cells, .contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }

/* ---------- FAQ ---------- */
.faq-wrap { max-width: 860px; margin: 0 auto; display: grid; gap: 40px; }
.faq-group h2 { font-size: 1.3rem; }
.faq-list { display: grid; gap: 12px; margin-top: 18px; }
.faq-item { border: 1px solid var(--line); border-radius: var(--radius-sm); background: #fff; overflow: hidden; }
.faq-item summary {
  list-style: none; cursor: pointer;
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  padding: 16px 20px; font-weight: 600; font-size: 0.98rem;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-size: 1.3rem; color: var(--primary); font-weight: 500; line-height: 1; }
.faq-item[open] summary::after { content: "–"; }
.faq-answer { padding: 0 20px 18px; color: var(--muted); font-size: 0.94rem; }
.faq-cta { text-align: center; display: flex; flex-direction: column; align-items: center; gap: 10px; }
.faq-cta p { margin: 0; }

/* ---------- 产品详情 ---------- */
.pd-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 48px; margin-top: 8px; align-items: start; }
.pd-main-image {
  border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line);
  background: var(--bg-soft); aspect-ratio: 1/1;
}
.pd-main-image img { width: 100%; height: 100%; object-fit: contain; }
.pd-thumbs { display: flex; gap: 10px; margin-top: 14px; flex-wrap: wrap; }
.pd-thumb {
  width: 84px; height: 64px; border-radius: var(--radius-sm); overflow: hidden;
  border: 2px solid transparent; padding: 0; cursor: pointer; background: var(--bg-soft);
}
.pd-thumb img { width: 100%; height: 100%; object-fit: cover; }
.pd-thumb.active, .pd-thumb:hover { border-color: var(--primary); }
.pd-info h1 { font-size: clamp(1.6rem, 3vw, 2.3rem); }
.pd-model { color: var(--muted); font-weight: 600; margin: 0 0 10px; }
.pd-summary { color: var(--muted); font-size: 1.02rem; }
.pd-price {
  margin: 18px 0; padding: 16px 20px; background: var(--primary-50);
  border-radius: var(--radius-sm); display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap;
}
.price-sale { color: var(--primary-700); font-size: 1.6rem; font-weight: 800; }
.price-origin { color: var(--muted); }
.price-quote { font-weight: 700; color: var(--primary-700); font-size: 1.1rem; }
.price-range { color: var(--muted); font-size: .92rem; }
/* Variant / SKU picker (V11) */
.pd-variants {
  margin: 0 0 12px; padding: 16px 18px;
  background: var(--bg-soft); border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  display: flex; flex-direction: column; gap: 13px;
}
.pd-variant-group { display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap; }
.pd-variant-group + .pd-variant-group {
  border-top: 1px dashed var(--line); padding-top: 13px;
}
.pd-variant-name {
  font-size: .8rem; font-weight: 700; color: var(--muted);
  min-width: 64px; letter-spacing: .04em; text-transform: uppercase;
}
.pd-variant-values { display: flex; flex-wrap: wrap; gap: 8px; }
.v-chip {
  padding: 8px 18px; border: 1px solid var(--line); border-radius: 999px;
  background: var(--bg); color: var(--ink-soft);
  font-size: .9rem; font-weight: 600; cursor: pointer;
  box-shadow: 0 1px 2px rgba(16, 35, 63, .05);
  transition: border-color .2s, color .2s, background .2s, box-shadow .2s;
}
.v-chip:hover { border-color: var(--primary); color: var(--primary); }
.v-chip.active {
  background: var(--primary); border-color: var(--primary); color: #fff;
  box-shadow: 0 2px 8px rgba(11, 108, 255, .28);
}
.v-chip:disabled {
  opacity: .35; cursor: not-allowed; text-decoration: line-through; box-shadow: none;
}
.pd-points { margin: 0 0 24px; padding-left: 20px; display: grid; gap: 6px; color: var(--ink-soft); }
.pd-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.pd-specs { margin-top: 56px; }
.spec-table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius-sm); }
.spec-table { width: 100%; border-collapse: collapse; font-size: 0.94rem; }
.spec-table th {
  text-align: left; width: 32%; color: var(--ink-soft); font-weight: 600;
  padding: 12px 18px; background: var(--bg-soft); border-bottom: 1px solid var(--line);
}
.spec-table td { padding: 12px 18px; border-bottom: 1px solid var(--line); }
.spec-table tr:last-child th, .spec-table tr:last-child td { border-bottom: none; }
.pd-detail { margin-top: 48px; }
.pd-related { margin-top: 64px; }
.section-title { margin-bottom: 24px; }

/* ---------- 富文本排版 ---------- */
.rich-text { max-width: 780px; line-height: 1.75; color: var(--ink-soft); }
.rich-text h2 { margin-top: 1.6em; }
.rich-text h3 { margin-top: 1.4em; }
.rich-text img { border-radius: var(--radius-sm); margin: 18px 0; }
.rich-text table { border-collapse: collapse; width: 100%; margin: 18px 0; }
.rich-text td, .rich-text th { border: 1px solid var(--line); padding: 9px 14px; }
.page-content { margin: 0 auto; }
.page-updated { margin-top: 40px; font-size: 0.82rem; }
.seo-copy { max-width: 860px; }
.seo-copy h2 { margin-top: 0; }
.gallery-item img { width: 100%; aspect-ratio: 4/3; object-fit: cover; border-radius: var(--radius-sm); }
.gallery-item figcaption { color: var(--muted); font-size: 0.85rem; margin-top: 10px; }

/* ---------- 分页 / 空态 / 错误页 ---------- */
.pagination { display: flex; gap: 8px; margin-top: 40px; flex-wrap: wrap; }
.pagination a, .pagination span {
  min-width: 40px; height: 40px; display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--line); border-radius: 10px; background: #fff;
  padding: 0 14px; font-size: 0.9rem; color: var(--ink);
}
.pagination a:hover { border-color: var(--primary); color: var(--primary); }
.pagination .active { background: var(--primary); border-color: var(--primary); color: #fff; }
.pagination .dots { border: none; background: none; color: var(--muted); }
.empty-state { text-align: center; padding: 60px 0; }
.empty-state h2 { margin-bottom: 8px; }
.empty-state p { color: var(--muted); margin-bottom: 24px; }
.error-section { padding-top: 72px; }
.error-head { text-align: center; margin-bottom: 56px; }
.error-code {
  display: block; font-size: 5rem; font-weight: 800; letter-spacing: -0.04em;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text; background-clip: text; color: transparent;
  line-height: 1;
}
.error-actions { display: flex; gap: 14px; justify-content: center; margin-top: 26px; flex-wrap: wrap; }

/* ---------- 文章详情 ---------- */
.article-wrap { max-width: 820px; }
.article-head { margin-bottom: 26px; }
.article-head h1 { font-size: clamp(1.7rem, 3.4vw, 2.4rem); }
.article-summary { color: var(--muted); font-size: 1.05rem; }
.article-cover img { border-radius: var(--radius); }
.post-card-sm h3 { font-size: 0.98rem; }
.section-more { text-align: center; margin-top: 36px; }

/* ---------- 响应式（M4 组件） ---------- */
@media (max-width: 1024px) {
  .pd-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 36px; }
  .contact-cells, .contact-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 860px) {
  /* 移动端固定较小高度（覆盖后台百分比配置，保证标题/按钮不被裁切） */
  .hero-carousel { --hero-h: min(66vh, 480px) !important; }
  .slide-content { padding: 64px 0; }
  .header-cta { display: none; }
  .nav-drop-menu {
    position: static; display: flex; box-shadow: none; border: none; padding: 0 0 0 18px;
    min-width: 0; margin-top: 0; background: transparent;
  }
  .nav-drop-menu::before { display: none; }
  .nav-drop-menu a { padding: 8px 12px; }
  /* 移动端三级不再飞出，随二级缩进平铺 */
  .nav-sub-menu {
    position: static; display: flex; box-shadow: none; border: none; padding: 0 0 0 18px;
    min-width: 0; top: auto; left: auto; background: transparent;
  }
  .nav-sub > .nav-sub-parent { justify-content: flex-start; }
  .contact-cells, .contact-grid { grid-template-columns: 1fr; }
  .cta-inner { flex-direction: column; align-items: flex-start; }
}

/* =====================================================================
   M5 inquiry form components
   ===================================================================== */

.inquiry-form { display: flex; flex-direction: column; gap: 16px; max-width: 720px; }
.inquiry-form.compact { max-width: 640px; }
.hp-field {
  position: absolute; left: -9999px; width: 1px; height: 1px;
  opacity: 0; pointer-events: none;
}
.if-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.if-field { display: flex; flex-direction: column; gap: 6px; }
.if-field > span { font-size: 0.85rem; font-weight: 600; color: var(--ink); }
.if-field input, .if-field textarea {
  width: 100%; padding: 12px 14px;
  border: 1px solid var(--line); border-radius: var(--radius-sm);
  font: inherit; outline: none; background: #fff;
  transition: border-color 0.2s var(--ease-out), box-shadow 0.2s var(--ease-out);
}
.if-field input:focus, .if-field textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(11, 108, 255, 0.12);
}
.if-field textarea { resize: vertical; min-height: 96px; }
.if-check { display: flex; align-items: flex-start; gap: 10px; font-size: 0.88rem; color: var(--ink-soft); }
.if-check input { width: 18px; height: 18px; margin-top: 2px; accent-color: var(--primary); }
.if-actions { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.if-status { margin: 0; font-size: 0.9rem; color: var(--muted); }
.if-status.if-error { color: var(--danger); font-weight: 600; }
.if-success {
  background: rgba(22, 163, 74, 0.08); border: 1px solid rgba(22, 163, 74, 0.25);
  border-radius: var(--radius-sm); padding: 22px 26px; max-width: 560px;
}
.if-success b { color: var(--success); display: block; margin-bottom: 4px; font-size: 1.05rem; }
.if-success p { margin: 0; color: var(--ink-soft); }

/* CTA 区内嵌表单（首页询盘模块） */
.cta-form-head { max-width: 720px; margin: 0 auto 34px; text-align: center; }
.cta-form-head h2 { margin-bottom: 12px; color: #fff; }
.cta-form-head p { color: rgba(255, 255, 255, .86); }
.cta-form-head .cta-promise { color: #c7ffff; }
.cta-form-card {
  width: 100%; max-width: none; padding: 38px 40px;
  background: #fff; border: 1px solid rgba(255, 255, 255, .5); border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
}
.cta-form-card .inquiry-form { width: 100%; max-width: none; }
.inquiry-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 32px 34px; box-shadow: var(--shadow-sm); margin: 0 auto;
}
.pd-inquiry {
  margin-top: 56px; padding: 36px; border-radius: var(--radius);
  background: var(--bg-soft); border: 1px solid var(--line);
}
.pd-inquiry h2 { font-size: 1.4rem; }

@media (max-width: 640px) {
  .if-grid { grid-template-columns: 1fr; }
  .cta-form-card, .inquiry-card { padding: 22px 18px; }
  .pd-inquiry { padding: 22px 18px; }
}

/* =====================================================================
   M6 compliance components（Cookie 横幅 / 设置弹层 / DSR / 区域切换）
   ===================================================================== */

.cookie-banner {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 150;
  background: rgba(12, 27, 51, 0.96);
  backdrop-filter: blur(8px);
  padding: 18px 0;
  box-shadow: 0 -8px 32px rgba(12, 27, 51, 0.35);
}
.cookie-banner[hidden] { display: none; }
.cookie-banner-inner {
  width: min(1200px, 92vw); margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  flex-wrap: wrap;
}
.cookie-banner p { margin: 0; color: rgba(255, 255, 255, 0.85); font-size: 0.9rem; max-width: 680px; }
.cookie-banner a { color: #fff; text-decoration: underline; }
.cookie-banner-actions { display: flex; gap: 10px; flex-wrap: wrap; }

.cookie-modal { width: min(620px, 94vw); }
.cookie-prefs { padding: 18px 22px; display: grid; gap: 16px; }
.cookie-prefs .if-check { align-items: flex-start; }

.footer-compliance {
  margin-top: 36px; padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex; align-items: center; gap: 22px; flex-wrap: wrap;
  font-size: 0.85rem;
}
.footer-link-btn {
  background: none; border: none; padding: 0; cursor: pointer;
  color: #B9C6DD; font: inherit; text-decoration: underline;
}
.footer-link-btn:hover { color: #fff; }
.dns-link { color: #8EE8DC; text-decoration: underline; }
.dns-link:hover { color: #fff; }
.region-switch { color: #6E80A0; display: inline-flex; gap: 8px; align-items: center; }
.region-switch a { color: #B9C6DD; padding: 2px 7px; border-radius: 6px; }
.region-switch a.active { background: var(--primary); color: #fff; }

.cookie-table { font-size: 0.88rem; }
.header-search { flex: none; margin: 0; }
.header-search input {
  border: 1px solid var(--line); border-radius: 999px;
  padding: 9px 16px; font: inherit; font-size: 0.85rem; outline: none;
  width: 220px; background: #fff; transition: width 0.25s var(--ease-out), border-color 0.2s;
}
.header-search input:focus { border-color: var(--primary); width: 260px; }

/* 中等屏宽（平板横屏等）：压缩头部间距，防止菜单/搜索/CTA 挤出换行 */
@media (max-width: 1100px) and (min-width: 861px) {
  .site-header .inner { gap: 14px; }
  .main-nav { gap: 2px; }
  .main-nav > a, .main-nav .nav-parent { padding: 9px 11px; font-size: 0.92rem; }
  .header-search input { width: 160px; }
  .header-search input:focus { width: 200px; }
}

/* ---------- 搜索结果页（M7） ---------- */
.search-box-hero .search-input {
  width: 100%; max-width: 620px; margin: 0 auto;
  display: flex; gap: 10px;
}
.search-box-hero input {
  flex: 1; padding: 14px 20px; border-radius: 999px;
  border: 1px solid var(--line); font: inherit; outline: none;
  box-shadow: var(--shadow-sm);
}
.search-box-hero input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(11, 108, 255, 0.12); }
.search-result-group h2 { font-size: 1.25rem; margin-bottom: 18px; }
.search-highlight { color: var(--primary); font-weight: 700; }

@media (max-width: 860px) {
  .cookie-banner-inner { flex-direction: column; align-items: stretch; }
  .cookie-banner-actions .btn { flex: 1; }
  .header-search { order: 10; width: 100%; }
  .header-search input { width: 100%; }
  .footer-compliance { flex-direction: column; align-items: flex-start; gap: 12px; }
}

/* =====================================================================
   V6: 品牌升级组件 —— 顶部联系条 / 侧边悬浮工具栏 / 页脚 Logo 衬底
   ===================================================================== */

/* 顶部联系条（借鉴 oliveoxygen：联系方式 + 社交链接，位于主导航之上） */
.top-contact-bar {
  background: var(--ink);
  color: #C9D6EA;
  font-size: 0.92rem;
  padding: 10px 0;
}
.top-contact-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 18px; flex-wrap: wrap;
}
.topbar-contacts { display: flex; align-items: center; gap: 26px; flex-wrap: wrap; }
.topbar-contacts svg { width: 16px; height: 16px; }
.topbar-contacts a {
  display: inline-flex; align-items: center; gap: 7px;
  color: #C9D6EA; white-space: nowrap;
}
.topbar-contacts a:hover { color: #fff; }
.topbar-contacts svg { flex: none; opacity: 0.85; }
.topbar-social { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.topbar-social a {
  color: #8FA3C2; padding: 4px 12px; border-radius: 999px; white-space: nowrap; font-size: 0.88rem;
}
.topbar-social a:hover { color: #fff; background: rgba(255, 255, 255, 0.1); }

/* 侧边悬浮联系工具栏（右侧固定，hover 弹出提示） */
.side-toolbar {
  position: fixed; right: 14px; top: 50%; transform: translateY(-50%);
  z-index: 90; display: flex; flex-direction: column; gap: 8px;
}
.side-btn {
  position: relative;
  width: 46px; height: 46px; border-radius: 12px;
  display: inline-flex; align-items: center; justify-content: center;
  color: #fff; cursor: pointer; box-shadow: var(--shadow-md);
  transition: transform 0.3s var(--ease-out), background 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}
/* 悬停统一变绿，图标保持白色 */
.side-btn:hover, .side-btn:focus-visible {
  transform: translateX(-6px);
  background: #16A34A;
  color: #fff;   /* 覆盖全局 a:hover 的品牌蓝，图标保持白色 */
  box-shadow: 0 10px 26px rgba(22, 163, 74, 0.38);
}
.side-whatsapp { background: #25D366; }
.side-wechat { background: #22C55E; }
.side-mail { background: var(--primary); }
.side-phone { background: var(--primary-600); }
.side-inquiry { background: linear-gradient(135deg, var(--primary-700), var(--primary)); }
.side-tip {
  position: absolute; right: calc(100% + 12px); top: 50%; transform: translateY(-50%);
  background: var(--ink); color: #fff; font-size: 0.88rem; font-weight: 500;
  white-space: nowrap; padding: 8px 16px; border-radius: 10px;
  opacity: 0; pointer-events: none;
  /* 仅 hover / 键盘 focus-visible 触发；:focus 会在点击后让提示常驻 */
  transition: opacity 0.25s var(--ease-out);
  box-shadow: var(--shadow-md);
}
.side-tip::after {
  content: ""; position: absolute; left: 100%; top: 50%; transform: translateY(-50%);
  border: 5px solid transparent; border-left-color: var(--ink);
}
.side-btn:hover .side-tip, .side-btn:focus-visible .side-tip { opacity: 1; }

/* 页脚深色背景上的 Logo 白底衬底 */
.footer-logo-chip {
  display: inline-flex; align-items: center;
  background: #fff; border-radius: 10px; padding: 6px 12px;
}
.footer-logo-chip .brand-logo { height: 30px; }

/* =====================================================================
   V6: 首页视频横滑模块（中间完整封面，左右各显示半个封面）
   ===================================================================== */

#video-slider .container-wide,
#video-slider ~ section .container-wide { width: min(1440px, 92vw); }
.vslider { position: relative; }
.vslider::before, .vslider::after {
  content: ""; position: absolute; top: 0; bottom: 6px; z-index: 4;
  width: clamp(36px, 8%, 112px); pointer-events: none;
}
.vslider::before {
  left: 0;
  background: linear-gradient(90deg, var(--bg-soft) 0%, rgba(246, 249, 254, .78) 30%, rgba(246, 249, 254, 0) 100%);
}
.vslider::after {
  right: 0;
  background: linear-gradient(270deg, var(--bg-soft) 0%, rgba(246, 249, 254, .78) 30%, rgba(246, 249, 254, 0) 100%);
}
.vslider-track {
  display: flex; gap: 28px;
  overflow-x: auto; scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  padding-bottom: 6px;
  scrollbar-width: none;              /* Firefox 隐藏滚动条 */
  -ms-overflow-style: none;
}
.vslider-track::-webkit-scrollbar { display: none; }
.vslider-card {
  flex: 0 0 calc((100% - 28px) / 2);
  scroll-snap-align: center;
  cursor: pointer; color: inherit;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow-sm);
  transition: transform 0.35s var(--ease-out), box-shadow 0.35s var(--ease-out), border-color 0.35s var(--ease-out);
}
.vslider-card:hover {
  transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: var(--primary-100);
}
.vslider-cover { position: relative; aspect-ratio: 16 / 9; background: var(--bg-soft); }
.vslider-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s var(--ease-out); }
.vslider-card:hover .vslider-cover img { transform: scale(1.04); }
.vslider-cover .play-badge {
  width: 52px; height: 52px; font-size: 1.1rem;
}
.vslider-title {
  font-size: 0.98rem; margin: 0; padding: 13px 16px 15px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.vslider-btn {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 5;
  display: inline-flex; align-items: center; justify-content: center;
  width: 56px; height: 56px; padding: 0 0 4px; border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, .9); background: var(--primary);
  color: #fff; font-size: 2.1rem; font-weight: 700; cursor: pointer; line-height: 1;
  box-shadow: 0 8px 24px rgba(11, 108, 255, .38);
  transition: transform .2s var(--ease-out), background .2s, box-shadow .2s;
}
.vslider-btn:hover {
  color: #fff; background: var(--primary-600); transform: translateY(-50%) scale(1.08);
  box-shadow: 0 10px 30px rgba(11, 108, 255, .48);
}
.vslider-btn:focus-visible { outline: 3px solid #73f2f0; outline-offset: 3px; }
.vslider-btn.prev { left: 18px; }
.vslider-btn.next { right: 18px; }

/* 视频播放弹层（首页横滑模块点击封面弹出） */
.video-modal-overlay {
  position: fixed; inset: 0; z-index: 160;
  background: rgba(12, 27, 51, 0.88);
  backdrop-filter: blur(6px);
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
}
.video-modal-box {
  width: min(960px, 94vw);
  background: #0C1B33; border-radius: var(--radius);
  overflow: hidden; box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
}
.video-modal-head {
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  padding: 14px 18px; color: #fff;
}
.video-modal-head h3 { margin: 0; font-size: 1.05rem; color: #fff; }
.video-modal-close {
  background: rgba(255, 255, 255, 0.12); border: none; color: #fff;
  width: 34px; height: 34px; border-radius: 50%; font-size: 1.2rem; line-height: 1;
  cursor: pointer; flex: none;
}
.video-modal-close:hover { background: rgba(255, 255, 255, 0.24); }
.video-modal-box video,
.video-modal-box iframe {
  display: block; width: 100%; aspect-ratio: 16 / 9;
  border: none; background: #000;
}

/* =====================================================================
   V6: 证言买家秀图片（卡片顶部通栏 + 缩略图切换）
   ===================================================================== */

.t-photos { margin: -26px -26px 18px; }        /* 抵消 .card 内边距，实现通栏图 */
.t-photo-main { aspect-ratio: 4 / 3; overflow: hidden; background: var(--bg-soft); }
.t-photo-main img {
  width: 100%; height: 100%; object-fit: cover;
  border-radius: var(--radius) var(--radius) 0 0;
}
.t-thumbs {
  display: flex; gap: 8px; padding: 10px 12px;
  background: var(--bg-soft); overflow-x: auto;
  border-top: 1px solid var(--line);
}
.t-thumb {
  flex: none; width: 54px; height: 40px; padding: 0; overflow: hidden;
  border: 2px solid transparent; border-radius: 8px; background: none; cursor: pointer;
}
.t-thumb img { width: 100%; height: 100%; object-fit: cover; }
.t-thumb.active { border-color: var(--primary); }

/* ---------- V6 响应式 ---------- */
@media (max-width: 1024px) {
  .about-collage { padding: 0 0 30px 26px; }
}
@media (max-width: 860px) {
  .top-contact-bar { display: none; }          /* 小屏隐藏顶栏，联系方式由侧栏承担 */
  .side-toolbar { right: 8px; }
  .side-btn { width: 42px; height: 42px; }
  .vslider-btn { width: 44px; height: 44px; font-size: 1.7rem; }
  .vslider-btn.prev { left: 10px; }
  .vslider-btn.next { right: 10px; }
  .about-grid { gap: 36px; }
  .about-collage { padding: 0 0 26px 20px; }
  .about-badge { right: 8px; bottom: 0; padding: 10px 14px; }
  .about-img-2 { border-width: 4px; }
}
@media (max-width: 640px) {
  .side-toolbar {
    top: auto; bottom: 18px; transform: none;
    flex-direction: row; right: 12px;
  }
  .side-btn { width: 40px; height: 40px; border-radius: 10px; }
  .side-btn:hover { transform: none; }
  .side-tip { display: none; }
}

/* =====================================================================
   V12: Future Lab — integrated transparent header
   ===================================================================== */

.header-shell {
  --header-height: 78px;
  --topbar-height: 44px;
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  color: #fff;
  background: #071a2b;
  transition: background .3s var(--ease-out), box-shadow .3s var(--ease-out);
}
.header-shell.is-home {
  background: linear-gradient(180deg, rgba(3, 16, 29, .88) 0%, rgba(4, 21, 36, .64) 66%, rgba(4, 21, 36, .2) 100%);
}
.header-shell.is-scrolled {
  background: rgba(5, 20, 34, .97);
  box-shadow: 0 12px 36px rgba(0, 10, 22, .2);
  backdrop-filter: blur(18px) saturate(1.25);
}
.header-shell:not(.is-home) + main { padding-top: calc(var(--topbar-height, 44px) + 78px); }
.header-container {
  width: min(calc(100% - 48px), 1440px);
  margin-inline: auto;
}
.top-contact-bar {
  display: block;
  height: var(--topbar-height);
  padding: 0;
  color: rgba(230, 241, 249, .72);
  background: rgba(1, 13, 24, .28);
  border-bottom: 1px solid rgba(255, 255, 255, .1);
  font-size: 12px;
}
.top-contact-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; height: var(--topbar-height); flex-wrap: nowrap; }
.topbar-contacts { display: flex; align-items: center; gap: 22px; flex-wrap: nowrap; min-width: 0; }
.topbar-contacts a { display: inline-flex; align-items: center; gap: 7px; color: inherit; white-space: nowrap; }
.topbar-contacts a:hover, .topbar-social a:hover { color: #67edf0; }
.topbar-contacts svg { width: 14px; height: 14px; }
.topbar-tools, .topbar-social { display: flex; align-items: center; }
.topbar-tools { gap: 15px; }
.topbar-social { gap: 3px; }
.topbar-social a {
  display: inline-flex; align-items: center; justify-content: center;
  width: 26px; height: 26px; padding: 0; color: rgba(230, 241, 249, .72); border-radius: 50%;
}
.topbar-social a:hover { background: rgba(255, 255, 255, .08); }
.topbar-social svg { width: 14px; height: 14px; }
.language-current { display: inline-flex; align-items: center; gap: 6px; color: rgba(230, 241, 249, .82); font-size: 12px; }
.language-current svg { width: 15px; height: 15px; }
.header-search {
  display: flex; align-items: center; width: 150px; margin: 0; border-radius: 999px;
  transition: width .25s var(--ease-out), box-shadow .2s;
}
.header-search:focus-within { width: 180px; box-shadow: 0 0 0 2px #73f2f0; }
.header-search input {
  width: 120px; min-width: 0; height: 30px; padding: 4px 5px 4px 12px; opacity: 1;
  color: #fff; background: rgba(255, 255, 255, .08); border: 0; border-radius: 999px 0 0 999px;
  font: inherit; font-size: 12px; outline: none; transition: width .25s var(--ease-out);
}
.header-search:focus-within input { width: 150px; }
.header-search input:focus-visible { outline: none; }
.header-search input::placeholder { color: rgba(255, 255, 255, .5); }
.topbar-icon {
  display: inline-flex; align-items: center; justify-content: center; flex: none;
  width: 30px; height: 28px; padding: 0; color: rgba(230, 241, 249, .82);
  background: rgba(255, 255, 255, .08); border: 0; border-radius: 0 999px 999px 0; cursor: pointer;
}
.topbar-icon svg { width: 17px; height: 17px; }

.site-header { position: relative; background: transparent; border: 0; backdrop-filter: none; }
.site-header .inner {
  display: grid;
  grid-template-columns: minmax(150px, 1fr) auto minmax(150px, 1fr);
  align-items: center;
  gap: 24px;
  height: var(--header-height);
  transition: height .3s var(--ease-out);
}
.header-shell.is-scrolled { --header-height: 66px; }
.brand { display: inline-flex; justify-self: start; color: #fff; line-height: 1; }
.brand-logo {
  width: auto; height: 36px; max-width: none; object-fit: contain;
  filter: brightness(0) invert(1);
}
.brand-mark { color: #fff; background: linear-gradient(135deg, #168db5, #45e3df); }
.header-actions { display: flex; align-items: center; justify-self: end; gap: 12px; }
.header-cta {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  width: 158px; height: 44px; padding: 0 18px;
  color: #052c35; background: linear-gradient(135deg, #68edf0, #36ccd4);
  border: 1px solid rgba(255, 255, 255, .2); border-radius: 999px;
  box-shadow: 0 8px 24px rgba(33, 213, 218, .16);
  font-size: 13px; font-weight: 700; white-space: nowrap;
}
.header-cta svg { width: 18px; height: 18px; transition: transform .25s var(--ease-out); }
.header-cta:hover { color: #031e26; background: #81f4f2; box-shadow: 0 10px 28px rgba(56, 224, 226, .28); transform: translateY(-1px); }
.header-cta:hover svg { transform: translateX(3px); }
.main-nav { display: flex; align-items: center; justify-content: center; gap: 2px; }
.main-nav > a, .main-nav .nav-parent {
  display: inline-flex; align-items: center; padding: 10px 12px;
  color: rgba(240, 247, 252, .82); border-radius: 999px;
  font-size: 14px; font-weight: 500; line-height: 1.4; white-space: nowrap;
}
.main-nav > a:hover, .main-nav .nav-parent:hover,
.main-nav > a.active, .main-nav .nav-parent.active { color: #fff; background: rgba(255, 255, 255, .08); }
.main-nav > a.active, .main-nav .nav-parent.active { color: #78eff0; }
.nav-parent-row { display: flex; align-items: center; }
.nav-submenu-toggle {
  display: inline-flex; align-items: center; justify-content: center;
  width: 24px; height: 36px; margin-left: -5px; padding: 0;
  color: rgba(240, 247, 252, .65); background: transparent; border: 0; border-radius: 8px; cursor: pointer;
}
.nav-submenu-toggle svg { width: 10px; height: 7px; transition: transform .2s; }
.nav-drop.open > .nav-parent-row .nav-submenu-toggle svg,
.nav-sub.open > .nav-parent-row .nav-submenu-toggle svg { transform: rotate(180deg); }
.nav-drop-menu {
  position: absolute; top: calc(100% + 8px); left: 0; z-index: 110;
  display: flex; flex-direction: column; min-width: 250px; margin: 0; padding: 9px;
  color: #fff; background: rgba(6, 25, 42, .98); border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 14px; box-shadow: 0 20px 46px rgba(0, 9, 20, .3);
  backdrop-filter: blur(18px); opacity: 0; visibility: hidden; pointer-events: none;
  transform: translateY(-5px); transition: opacity .2s, transform .2s, visibility .2s;
}
.nav-drop:hover .nav-drop-menu, .nav-drop:focus-within .nav-drop-menu, .nav-drop.open > .nav-drop-menu,
.nav-sub:hover .nav-sub-menu, .nav-sub:focus-within .nav-sub-menu, .nav-sub.open > .nav-sub-menu {
  opacity: 1; visibility: visible; pointer-events: auto; transform: none;
}
.nav-drop-menu a, .nav-sub-menu a { padding: 10px 12px; color: rgba(237, 246, 252, .78); border-radius: 8px; font-size: 13px; }
.nav-drop-menu a:hover, .nav-sub-menu a:hover, .nav-drop-menu a.active, .nav-sub-menu a.active { color: #77ecee; background: rgba(95, 226, 230, .09); }
.nav-sub-menu {
  position: absolute; top: -9px; left: calc(100% - 1px); z-index: 111;
  display: flex; flex-direction: column; min-width: 210px; padding: 9px;
  background: rgba(6, 25, 42, .99); border: 1px solid rgba(255, 255, 255, .12); border-radius: 14px;
  box-shadow: 0 20px 46px rgba(0, 9, 20, .3); opacity: 0; visibility: hidden; pointer-events: none;
  transform: translateX(-5px); transition: opacity .2s, transform .2s, visibility .2s;
}
.nav-sub .nav-parent-row { justify-content: space-between; }
.nav-sub .nav-sub-parent { flex: 1; }
.nav-sub .nav-submenu-toggle { margin: 0; }
.nav-toggle {
  display: none; align-items: center; justify-content: center; flex-direction: column; gap: 5px;
  width: 42px; height: 42px; padding: 0; color: #fff;
  background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .16); border-radius: 50%; cursor: pointer;
}
.nav-toggle span { display: block; width: 17px; height: 1.5px; background: currentColor; transition: transform .25s, opacity .2s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }
.mobile-search { display: none; }

.header-shell :focus-visible, .floating-contact :focus-visible {
  outline: 2px solid #73f2f0;
  outline-offset: 3px;
}

@media (max-width: 1240px) and (min-width: 1101px) {
  .site-header .inner { grid-template-columns: minmax(115px, 1fr) auto minmax(145px, 1fr); gap: 12px; }
  .main-nav > a, .main-nav .nav-parent { padding-inline: 8px; font-size: 13px; }
  .topbar-contacts { gap: 15px; }
}

@media (max-width: 1100px) {
  .header-search { display: none; }
  .header-shell:not(.is-home) + main { padding-top: 116px; }
  .header-shell { --header-height: 72px; }
  .header-shell.is-scrolled { --header-height: 64px; }
  .site-header .inner { grid-template-columns: 1fr auto; }
  .nav-toggle { display: inline-flex; }
  .main-nav {
    position: absolute; top: 100%; left: 0; right: 0;
    display: none; flex-direction: column; align-items: stretch; justify-content: flex-start; gap: 3px;
    max-height: calc(100vh - var(--header-height)); max-height: calc(100dvh - var(--header-height));
    padding: 18px max(24px, calc((100vw - 1440px) / 2)) 26px;
    overflow-y: auto; color: #fff; background: rgba(5, 20, 34, .99);
    border-top: 1px solid rgba(255, 255, 255, .08); box-shadow: 0 22px 40px rgba(0, 8, 18, .3);
  }
  .main-nav.open { display: flex; }
  .main-nav > a, .main-nav .nav-parent { flex: 1; padding: 12px 10px; border-radius: 8px; font-size: 15px; }
  .nav-submenu-toggle { width: 42px; height: 42px; margin: 0; }
  .nav-drop-menu, .nav-sub-menu {
    position: static; display: none; min-width: 0; margin: 0 0 5px 12px; padding: 3px 0 3px 12px;
    background: transparent; border: 0; border-left: 1px solid rgba(255, 255, 255, .12); border-radius: 0;
    box-shadow: none; backdrop-filter: none; transform: none;
  }
  .nav-drop:hover .nav-drop-menu, .nav-drop:focus-within .nav-drop-menu,
  .nav-sub:hover .nav-sub-menu, .nav-sub:focus-within .nav-sub-menu {
    opacity: 0; visibility: hidden; pointer-events: none;
  }
  .nav-drop.open > .nav-drop-menu, .nav-sub.open > .nav-sub-menu {
    display: flex; opacity: 1; visibility: visible; pointer-events: auto;
  }
  .mobile-search { display: flex; margin-bottom: 12px; }
  .mobile-search input {
    flex: 1; min-width: 0; height: 44px; padding: 0 15px; color: #fff;
    background: rgba(255, 255, 255, .07); border: 1px solid rgba(255, 255, 255, .14);
    border-radius: 10px 0 0 10px; font: inherit; font-size: 14px; outline: none;
  }
  .mobile-search input::placeholder { color: rgba(255, 255, 255, .46); }
  .mobile-search button {
    padding: 0 16px; color: #062a32; background: #62e6e8; border: 0; border-radius: 0 10px 10px 0;
    font: inherit; font-size: 13px; font-weight: 700; cursor: pointer;
  }
}

@media (max-width: 860px) {
  .top-contact-bar { display: block; }
  .topbar-contacts { gap: 14px; }
  .topbar-contacts a { font-size: 11px; }
  .topbar-whatsapp, .topbar-social { display: none; }
}

@media (max-width: 768px) {
  .top-contact-bar { display: none; }
  .header-shell:not(.is-home) + main { padding-top: 72px; }
  .header-container { width: calc(100% - 32px); }
  .brand-logo { height: 32px; }
  .header-actions { gap: 8px; }
  .header-actions .header-cta { width: 138px; height: 40px; padding: 0 12px; font-size: 12px; }
}

@media (max-width: 380px) {
  .header-container { width: calc(100% - 24px); }
  .brand-logo { width: 90px; height: 30px; }
  .header-actions .header-cta { width: 126px; padding: 0 9px; gap: 5px; }
  .nav-toggle { width: 38px; height: 38px; }
}

@media (prefers-reduced-motion: reduce) {
  .header-shell, .site-header .inner, .top-contact-bar, .nav-drop-menu, .nav-sub-menu { transition: none; }
}

/* ---------- V12: Future Lab hero, natural-ratio picture assets ---------- */
.hero-carousel {
  position: relative;
  min-height: 0;
  overflow: hidden;
  color: #fff;
  background: #061727;
}
.carousel-track { position: relative; min-height: 0; }
.carousel-slide {
  position: absolute; inset: 0;
  display: block; min-height: 0;
  opacity: 0; visibility: hidden;
  transition: opacity .7s var(--ease-out), visibility .7s;
}
.carousel-slide.active { position: relative; opacity: 1; visibility: visible; }
.slide-media {
  position: relative; display: block; width: 100%;
  overflow: hidden; background: #0a2034;
}
.slide-media img { display: block; width: 100%; height: auto; object-fit: contain; object-position: center; }
.carousel-slide::before {
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(3, 17, 30, .88) 0%, rgba(3, 17, 30, .58) 33%, rgba(3, 17, 30, .12) 64%, rgba(3, 17, 30, .04) 100%),
    linear-gradient(180deg, rgba(3, 16, 29, .36) 0%, transparent 32%, rgba(3, 16, 29, .18) 100%);
}
.slide-content {
  position: absolute; inset: 0; z-index: 2;
  display: flex; flex-direction: column; align-items: flex-start; justify-content: center;
  width: min(calc(100% - 48px), 1440px); max-width: none; min-height: 0; margin: 0 auto;
  padding: 132px 0 64px;
}
.slide-content.is-cta-only { justify-content: flex-end; padding-bottom: 86px; }
.slide-eyebrow {
  display: block; margin-bottom: 20px; color: #82eff0;
  font-size: 12px; font-weight: 600; letter-spacing: .28em; line-height: 1.4; text-transform: uppercase;
}
.slide-title {
  max-width: 720px; margin: 0 0 20px; color: #fff;
  font-size: clamp(2.5rem, 4.15vw, 4.5rem); font-weight: 700; letter-spacing: -.045em; line-height: 1.04;
  text-wrap: balance;
}
.slide-subtitle { max-width: 570px; margin: 0 0 30px; color: rgba(234, 243, 250, .82); font-size: clamp(1rem, 1.25vw, 1.18rem); line-height: 1.65; }
.slide-actions { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.slide-actions .btn { min-height: 46px; padding: 12px 24px; font-size: 14px; }
.slide-primary {
  color: #052b34; background: linear-gradient(135deg, #6deeee, #38cdd5);
  box-shadow: 0 10px 28px rgba(39, 209, 214, .2);
}
.slide-primary:hover { color: #031f27; background: #83f4f1; box-shadow: 0 12px 30px rgba(39, 209, 214, .3); }
.slide-primary svg { width: 18px; height: 18px; }
.slide-actions .btn-outline-light { color: #fff; background: rgba(255, 255, 255, .06); border-color: rgba(255, 255, 255, .4); backdrop-filter: blur(8px); }
.slide-actions .btn-outline-light:hover { background: rgba(255, 255, 255, .14); border-color: rgba(255, 255, 255, .75); }
.carousel-btn {
  top: 57%; display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; padding: 0 0 3px;
  color: rgba(255, 255, 255, .88); background: rgba(4, 23, 39, .28); border-color: rgba(255, 255, 255, .25);
  backdrop-filter: blur(8px); transition: background .2s, border-color .2s;
}
.carousel-btn:hover { color: #fff; background: rgba(4, 23, 39, .58); border-color: rgba(255, 255, 255, .55); }
.carousel-btn.prev { left: max(18px, calc((100vw - 1680px) / 2)); }
.carousel-btn.next { right: max(18px, calc((100vw - 1680px) / 2)); }
.carousel-btn:focus-visible, .carousel-dots button:focus-visible { outline: 2px solid #73f2f0; outline-offset: 3px; }
.carousel-dots { bottom: 22px; gap: 9px; }
.carousel-dots button { width: 24px; height: 3px; border-radius: 99px; background: rgba(255, 255, 255, .36); transition: width .25s, background .25s; }
.carousel-dots button.active { width: 38px; background: #69e9eb; }

@media (max-width: 1100px) {
  .hero-carousel { --hero-h: auto !important; }
  .slide-media { aspect-ratio: auto; }
  .slide-media img { height: auto; aspect-ratio: auto; object-fit: contain; }
  .carousel-slide::before { display: none; }
  .slide-content {
    position: relative; inset: auto; width: 100%; height: auto !important; min-height: 0 !important; margin: 0;
    padding: 34px max(24px, calc((100vw - 1440px) / 2)) 46px;
    background: linear-gradient(135deg, #071c30, #061522);
  }
  .slide-content.is-cta-only {
    position: absolute; inset: auto 0 46px; width: min(calc(100% - 48px), 1440px); margin: 0 auto;
    justify-content: center; padding: 0; background: transparent;
  }
  .slide-eyebrow { margin-bottom: 12px; font-size: 10px; }
  .slide-title { max-width: 590px; margin-bottom: 14px; font-size: clamp(2rem, 7vw, 3.2rem); }
  .slide-subtitle { max-width: 580px; margin-bottom: 24px; font-size: .98rem; }
  .carousel-btn { display: none; }
  .carousel-dots { bottom: 18px; }
}

@media (max-width: 640px) {
  .slide-content { padding: 28px 20px 44px; }
  .slide-actions { align-items: stretch; gap: 10px; }
  .slide-actions .btn { width: auto; min-height: 44px; padding-inline: 20px; }
}

@media (max-width: 420px) {
  .slide-actions { flex-direction: column; align-items: stretch; }
  .slide-actions .btn { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  .carousel-slide, .carousel-dots button { transition: none; }
}

/* ---------- V12: O₂ breathing contact orb ---------- */
.floating-contact {
  position: fixed; right: 24px; top: 50%; z-index: 120;
  display: flex; flex-direction: column; align-items: flex-end;
  transform: translateY(-50%);
}
.floating-orb-wrap { position: relative; }
.floating-orb {
  position: relative; display: inline-flex; align-items: center; justify-content: center;
  width: 64px; height: 64px; padding: 0; color: #e9ffff;
  background:
    radial-gradient(circle at 36% 30%, rgba(221, 255, 255, .96) 0%, rgba(90, 236, 248, .9) 10%, rgba(8, 138, 220, .92) 35%, rgba(3, 43, 96, .98) 68%, #03182e 100%);
  border: 1px solid rgba(136, 244, 255, .72); border-radius: 50%;
  box-shadow: 0 0 14px rgba(48, 211, 255, .72), 0 0 38px rgba(0, 145, 255, .42), inset 0 0 16px rgba(125, 239, 255, .48);
  cursor: pointer; animation: orb-breathe 3s ease-in-out infinite;
}
.floating-orb::before, .floating-orb::after {
  content: ""; position: absolute; border-radius: 50%; pointer-events: none;
}
.floating-orb::before { inset: -10px; border: 1px solid rgba(76, 220, 255, .3); box-shadow: 0 0 22px rgba(26, 179, 255, .25); animation: orb-halo 3s ease-in-out infinite; }
.floating-orb::after { inset: 7px; border: 1px solid rgba(224, 255, 255, .2); }
.floating-orb > span { position: relative; z-index: 1; font-size: 24px; font-weight: 500; line-height: 1; text-shadow: 0 0 10px #b6ffff; }
.floating-orb sub { margin-left: 1px; font-size: 12px; vertical-align: sub; }
.floating-tooltip {
  position: absolute; top: 50%; right: calc(100% + 16px); padding: 8px 15px;
  color: #f2fbff; background: rgba(5, 26, 43, .94); border: 1px solid rgba(255, 255, 255, .12); border-radius: 999px;
  box-shadow: 0 8px 24px rgba(0, 10, 24, .24); font-size: 12px; white-space: nowrap;
  opacity: 0; pointer-events: none; transform: translate(6px, -50%); transition: opacity .2s, transform .2s;
}
.floating-orb-wrap:hover .floating-tooltip, .floating-orb:focus-visible + .floating-tooltip,
.floating-orb-wrap:focus-within .floating-tooltip { opacity: 1; transform: translate(0, -50%); }
.floating-quick-links {
  position: absolute; top: calc(100% + 12px); right: 9px;
  display: flex; flex-direction: column; gap: 3px; margin: 0; padding: 6px;
  color: #fff; background: rgba(4, 25, 43, .9); border: 1px solid rgba(255, 255, 255, .1); border-radius: 999px;
  box-shadow: 0 10px 28px rgba(0, 12, 27, .25); backdrop-filter: blur(14px);
  opacity: 0; visibility: hidden; pointer-events: none; transform: translateY(-8px);
  transition: opacity .22s var(--ease-out), transform .22s var(--ease-out), visibility .22s;
}
.floating-contact:hover .floating-quick-links,
.floating-contact:focus-within .floating-quick-links {
  opacity: 1; visibility: visible; pointer-events: auto; transform: none;
}
.floating-quick-links::before {
  content: ""; position: absolute; right: 0; bottom: 100%; width: 100%; height: 12px;
}
.floating-quick-links a {
  display: inline-flex; align-items: center; justify-content: center; width: 34px; height: 34px;
  color: rgba(240, 250, 255, .86); border-radius: 50%; transition: color .2s, background .2s;
}
.floating-quick-links a:hover { color: #75eef0; background: rgba(103, 232, 238, .1); }
.floating-quick-links svg { width: 18px; height: 18px; }
.contact-panel {
  position: absolute; right: 82px; bottom: 0; width: 320px; padding: 10px;
  color: #effaff; background: rgba(5, 29, 48, .96); border: 1px solid rgba(156, 231, 244, .2); border-radius: 18px;
  box-shadow: 0 24px 60px rgba(0, 9, 22, .38); backdrop-filter: blur(22px) saturate(1.25);
  transform-origin: right bottom; animation: contact-panel-in .24s var(--ease-out);
}
.contact-panel[hidden] { display: none; }
.contact-panel-head { display: flex; align-items: center; justify-content: space-between; padding: 5px 7px 11px 10px; }
.contact-panel-head strong { font-size: 14px; font-weight: 600; letter-spacing: .01em; }
.contact-panel-close {
  display: inline-flex; align-items: center; justify-content: center; width: 28px; height: 28px; padding: 0 0 2px;
  color: rgba(255, 255, 255, .7); background: transparent; border: 0; border-radius: 50%; font-size: 20px; cursor: pointer;
}
.contact-panel-close:hover { color: #fff; background: rgba(255, 255, 255, .08); }
.contact-option {
  display: flex; align-items: center; gap: 12px; padding: 11px 10px; color: #f4fbff;
  background: rgba(255, 255, 255, .94); border-radius: 11px;
}
.contact-option + .contact-option { margin-top: 4px; background: rgba(255, 255, 255, .94); }
.contact-option:hover { color: #073148; background: #fff; }
.contact-option-icon {
  display: inline-flex; align-items: center; justify-content: center; flex: none;
  width: 36px; height: 36px; color: #fff; background: #148cd2; border-radius: 50%; font-weight: 700;
}
.contact-option-icon svg { width: 19px; height: 19px; }
.contact-option-icon.whatsapp { background: #1fc66a; }
.contact-option-icon.mail { background: #168dc5; }
.contact-option-icon.phone { background: #0879dc; }
.contact-option-icon.wechat { background: #20b967; }
.contact-option > span:last-child { min-width: 0; color: #0b2d44; }
.contact-option b, .contact-option small { display: block; }
.contact-option b { margin-bottom: 1px; font-size: 13px; font-weight: 700; }
.contact-option small { overflow: hidden; color: #60798c; font-size: 11px; line-height: 1.45; text-overflow: ellipsis; white-space: nowrap; }
.floating-contact.is-open .floating-quick-links { display: none; }

@keyframes orb-breathe {
  0%, 100% { transform: scale(1); box-shadow: 0 0 12px rgba(48, 211, 255, .62), 0 0 30px rgba(0, 145, 255, .32), inset 0 0 14px rgba(125, 239, 255, .4); }
  50% { transform: scale(1.055); box-shadow: 0 0 18px rgba(75, 230, 255, .86), 0 0 48px rgba(0, 155, 255, .55), inset 0 0 20px rgba(162, 248, 255, .6); }
}
@keyframes orb-halo {
  0%, 100% { transform: scale(.94); opacity: .5; }
  50% { transform: scale(1.12); opacity: 1; }
}
@keyframes contact-panel-in {
  from { opacity: 0; transform: translateX(28px); }
  to { opacity: 1; transform: none; }
}

@media (max-width: 640px) {
  .floating-contact { top: auto; right: 14px; bottom: 18px; transform: none; }
  .floating-orb { width: 56px; height: 56px; }
  .floating-orb > span { font-size: 21px; }
  .floating-tooltip, .floating-quick-links { display: none; }
  .contact-panel { right: 0; bottom: 72px; width: min(320px, calc(100vw - 28px)); max-height: min(520px, 72vh); overflow-y: auto; }
}

.footer-logo-chip { padding: 0; background: transparent; }
.footer-logo-chip .brand-logo { height: 34px; }

@media (prefers-reduced-motion: reduce) {
  .floating-orb, .floating-orb::before { animation: none; }
  .contact-panel { animation: none; }
}