/* ============================================================
   AUBUK · 组件样式 components.css  v2
   「深青墨 × 电光青 × 琥珀金」现代瑞士极简
   类名/结构与 JS 钩子完全兼容原版，仅视觉全面重建
   ============================================================ */

/* ---------- 1. Reset / Base ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, p, ul, ol, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
a { color: var(--color-link); }
img, svg { display: inline-block; vertical-align: middle; max-width: 100%; }
strong { color: var(--color-text); }

::selection { background: rgba(20, 184, 166, .22); color: var(--ink-900); }

section[id], footer[id], header[id] { scroll-margin-top: calc(var(--header-h) + 8px); }

:where(a, button, input, select, textarea, [tabindex]):focus-visible {
  outline: none;
  box-shadow: var(--ring-focus);
}

/* ---------- 2. 布局容器 ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.section { padding: var(--sec-y) 0; position: relative; }
.section--tint {
  background: linear-gradient(180deg, #EBF6F3 0%, #F5FAF8 55%, #FFFFFF 100%);
}
.section--tint .container { position: relative; z-index: var(--z-content); }

/* 板块标题（居中） */
.section-head {
  max-width: 720px;
  margin: 0 auto clamp(28px, 4vw, 44px);
  text-align: center;
}
.section-head__title {
  font-size: var(--fs-h2);
  font-weight: 700;
  line-height: var(--lh-h1);
  letter-spacing: -.01em;
  color: var(--ink-900);
}
.section-head__title .badge { margin-left: 10px; vertical-align: middle; }
.section-head__sub {
  margin: 14px auto 0;
  max-width: 560px;
  color: var(--color-text-2);
  font-size: var(--fs-body);
  line-height: 1.7;
}

/* ---------- 3. 图标 ---------- */
.ico { width: 22px; height: 22px; flex: none; }
.ico--sm { width: 18px; height: 18px; }
.ico--xs { width: 14px; height: 14px; }
svg.ico { fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

/* ---------- 4. Logo ---------- */
.logo { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; }
.logo__mark {
  position: relative;
  width: 36px; height: 36px;
  flex: none;
  display: grid; place-items: center;
  border-radius: 11px;
  background: var(--grad-brand);
  color: #fff;
  font-weight: 700;
  font-size: 19px;
  line-height: 1;
  box-shadow: 0 8px 18px -8px rgba(15, 118, 110, .55), inset 0 1px 0 rgba(255, 255, 255, .25);
}
.logo__mark::after {
  content: '';
  position: absolute;
  right: 5px; top: 5px;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--amber-400);
  box-shadow: 0 0 8px rgba(251, 191, 36, .9);
}
.logo__text { display: flex; flex-direction: column; line-height: 1.1; }
.logo__name {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: .07em;
  color: var(--ink-900);
}
.logo__tag { margin-top: 3px; font-size: 10px; letter-spacing: .16em; color: var(--color-text-3); }

/* ---------- 5. 徽标 ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 24px;
  padding: 0 11px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
}
.badge--live {
  position: relative;
  background: var(--grad-brand);
  color: #fff;
  box-shadow: 0 6px 14px -6px rgba(15, 118, 110, .6);
}
.badge--live::before {
  content: '';
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--amber-300);
  box-shadow: 0 0 6px rgba(252, 211, 77, .95);
}
.badge--planning {
  background: var(--n100);
  border: 1px solid var(--n300);
  color: var(--color-text-3);
  font-weight: 500;
}

/* ---------- 6. 按钮 ---------- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
  transition: transform var(--dur-fast) var(--ease-out),
              box-shadow var(--dur-base) var(--ease-out),
              background-color var(--dur-base) var(--ease-out),
              border-color var(--dur-base) var(--ease-out),
              color var(--dur-base) var(--ease-out),
              filter var(--dur-base) var(--ease-out);
}
.btn:active { transform: translateY(0); }
.btn[disabled], .btn.is-loading { cursor: not-allowed; pointer-events: none; }

.btn--lg { height: 54px; padding: 0 30px; font-size: 17px; border-radius: var(--radius-lg); }
.btn--sm { height: 36px; padding: 0 16px; font-size: 13.5px; border-radius: var(--radius-md); }
.btn--block { width: 100%; }

.btn--primary {
  background: var(--grad-brand);
  color: #fff;
  box-shadow: 0 10px 22px -10px rgba(15, 118, 110, .7);
}
.btn--primary:hover {
  filter: brightness(1.07);
  transform: translateY(-1px);
  box-shadow: 0 16px 30px -12px rgba(15, 118, 110, .65);
}
.btn--primary:active { filter: brightness(.95); transform: translateY(0); }

.btn--secondary {
  background: #fff;
  border-color: var(--n300);
  color: var(--color-text);
}
.btn--secondary:hover {
  border-color: var(--brand-600);
  color: var(--brand-700);
  background: var(--brand-50);
  transform: translateY(-1px);
}

.btn--brand {
  background: var(--grad-brand);
  color: #fff;
  box-shadow: 0 12px 26px -10px rgba(15, 118, 110, .75);
}
.btn--brand:hover { filter: brightness(1.07); transform: translateY(-2px); }
.btn--brand:active { filter: brightness(.95); transform: translateY(0); }

.btn--text {
  height: auto;
  padding: 4px 2px;
  background: transparent;
  color: var(--brand-700);
  font-size: 14px;
  border-radius: 6px;
}
.btn--text:hover { color: var(--brand-800); text-decoration: underline; text-underline-offset: 4px; }

.btn--white {
  background: #fff;
  color: var(--ink-900);
  box-shadow: 0 12px 26px -12px rgba(3, 12, 22, .5);
}
.btn--white:hover { transform: translateY(-2px); background: #F0FAF8; }

.btn--ghost {
  background: rgba(255, 255, 255, .06);
  border-color: rgba(255, 255, 255, .35);
  color: #fff;
}
.btn--ghost:hover { background: rgba(255, 255, 255, .16); transform: translateY(-2px); }

.btn.is-loading::before {
  content: '';
  width: 15px; height: 15px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, .45);
  border-top-color: #fff;
  animation: aubuk-spin .7s linear infinite;
}
.btn.is-loading { opacity: .9; }
.btn.is-loading.btn--secondary::before,
.btn.is-loading.btn--text::before { border-color: rgba(15, 118, 110, .3); border-top-color: var(--brand-700); }

@keyframes aubuk-spin { to { transform: rotate(360deg); } }

/* 深底区覆盖：cta-bar 内的 primary 升级为白色块 */
.cta-bar .btn--primary { background: #fff; color: var(--ink-900); box-shadow: 0 12px 26px -12px rgba(3, 12, 22, .55); }
.cta-bar .btn--primary:hover { filter: none; transform: translateY(-2px); }

/* ---------- 7. 顶部导航 ---------- */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: var(--z-nav);
  background: rgba(251, 253, 252, .72);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: background var(--dur-base) var(--ease-out),
              box-shadow var(--dur-base) var(--ease-out),
              border-color var(--dur-base) var(--ease-out);
}
.nav--scrolled {
  background: rgba(255, 255, 255, .9);
  border-bottom-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}
.nav__inner {
  max-width: calc(var(--container) + var(--gutter) * 2);
  margin: 0 auto;
  height: var(--header-h);
  padding: 0 var(--gutter);
  display: flex;
  align-items: center;
  gap: var(--space-6);
}
.nav__menu { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 10px 15px;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text-2);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: color var(--dur-base) var(--ease-out);
}
.nav__link::after {
  content: '';
  position: absolute;
  left: 15px; right: 15px; bottom: 3px;
  height: 3px;
  border-radius: 3px;
  background: var(--grad-brand);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--dur-base) var(--ease-out);
}
.nav__link:hover { color: var(--ink-900); }
.nav__link--active { color: var(--brand-700); font-weight: 600; }
.nav__link--active::after { transform: scaleX(1); }

.nav__actions { display: flex; align-items: center; gap: var(--space-3); }
.nav__burger {
  display: none;
  width: 44px; height: 44px;
  align-items: center; justify-content: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: #fff;
  color: var(--ink-900);
  cursor: pointer;
  transition: border-color var(--dur-base), color var(--dur-base), background-color var(--dur-base);
}
.nav__burger:hover { border-color: var(--brand-500); color: var(--brand-700); background: var(--brand-50); }

/* ---------- 8. 移动端抽屉 ---------- */
.drawer {
  position: fixed;
  inset: 0;
  z-index: var(--z-drawer);
  visibility: hidden;
  pointer-events: none;
}
.drawer.is-open { visibility: visible; pointer-events: auto; }
.drawer__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(6, 13, 27, .48);
  opacity: 0;
  transition: opacity var(--dur-base) var(--ease-out);
}
.drawer.is-open .drawer__backdrop { opacity: 1; }
.drawer__panel {
  position: absolute;
  top: 0; right: 0; bottom: 0;
  width: min(86vw, 360px);
  display: flex;
  flex-direction: column;
  background: var(--n0);
  box-shadow: var(--shadow-lg);
  transform: translateX(104%);
  transition: transform var(--dur-base) var(--ease-out);
}
.drawer.is-open .drawer__panel { transform: translateX(0); }

.drawer__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid var(--color-border);
}
.drawer__close {
  display: grid;
  place-items: center;
  width: 44px; height: 44px;
  border: 0;
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--color-text-2);
  cursor: pointer;
}
.drawer__close:hover { background: var(--n100); color: var(--ink-900); }

.drawer__menu { flex: 1; padding: 10px 14px; overflow-y: auto; }
.drawer__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 15px 14px;
  border-radius: var(--radius-md);
  color: var(--ink-800);
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  transition: background-color var(--dur-fast), color var(--dur-fast);
}
.drawer__link .ico { color: var(--color-text-3); transition: transform var(--dur-base) var(--ease-out); }
.drawer__link:hover { background: var(--color-bg-tint); color: var(--brand-800); }
.drawer__link.is-active { color: var(--brand-700); }
.drawer__link.is-active .ico { color: var(--brand-600); transform: translateX(3px); }

.drawer__note {
  padding: 6px 28px 14px;
  font-size: 12.5px;
  color: var(--color-text-3);
}
.drawer__foot { padding: 14px 18px calc(14px + env(safe-area-inset-bottom)); border-top: 1px solid var(--color-border); }
.drawer__foot .btn { width: 100%; }

/* ---------- 9. Toast ---------- */
.toast-region {
  position: fixed;
  top: 18px; right: 18px;
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 10px;
  max-width: min(92vw, 384px);
}
.toast {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  width: 100%;
  padding: 13px 14px;
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--brand-600);
  border-radius: var(--radius-md);
  background: var(--n0);
  box-shadow: var(--shadow-md);
  font-size: 14px;
  line-height: 1.55;
  color: var(--color-text);
  animation: toast-in var(--dur-base) var(--ease-out);
}
.toast.is-leaving { animation: toast-out var(--dur-base) var(--ease-out) forwards; }
.toast__icon { margin-top: 1px; }
.toast--error { border-left-color: var(--error); }
.toast--error .toast__icon { color: var(--error); }
.toast--success { border-left-color: var(--success); }
.toast--success .toast__icon { color: var(--success); }
.toast--info { border-left-color: var(--info); }
.toast--info .toast__icon { color: var(--info); }
.toast__msg { flex: 1; min-width: 0; }
.toast__close {
  display: grid;
  place-items: center;
  width: 28px; height: 28px;
  flex: none;
  margin: -4px -6px 0 0;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--color-text-3);
  cursor: pointer;
}
.toast__close:hover { background: var(--n100); color: var(--ink-800); }

@keyframes toast-in {
  from { opacity: 0; transform: translateY(-8px) scale(.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes toast-out {
  from { opacity: 1; transform: translateY(0); }
  to { opacity: 0; transform: translateY(-6px); }
}

/* ---------- 10. Hero 品牌首屏 ---------- */
.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(900px 520px at 84% -8%, rgba(20, 184, 166, .16), transparent 62%),
    radial-gradient(760px 460px at 4% 108%, rgba(6, 182, 212, .12), transparent 60%),
    var(--color-bg-ivory);
}
.hero__deco {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(13, 148, 136, .055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(13, 148, 136, .055) 1px, transparent 1px);
  background-size: 46px 46px;
  -webkit-mask-image: radial-gradient(62% 58% at 74% 8%, #000 0%, transparent 74%);
  mask-image: radial-gradient(62% 58% at 74% 8%, #000 0%, transparent 74%);
}
.hero__deco--dot {
  position: absolute;
  width: 460px; height: 460px;
  right: -140px; top: -120px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(251, 191, 36, .18) 0%, transparent 58%);
  pointer-events: none;
}
.hero__inner {
  position: relative;
  z-index: var(--z-content);
  max-width: calc(var(--container) + var(--gutter) * 2);
  margin: 0 auto;
  padding: calc(var(--header-h) + clamp(48px, 7vw, 88px)) var(--gutter) var(--sec-y);
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
  align-items: center;
  gap: clamp(40px, 6vw, 72px);
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, .82);
  border: 1px solid rgba(20, 168, 148, .28);
  color: var(--brand-800);
  font-size: 13.5px;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}
.hero__badge .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--grad-amber);
  box-shadow: 0 0 0 3px rgba(251, 191, 36, .22);
}
.hero__title {
  margin: 22px 0 18px;
  font-size: var(--fs-hero);
  font-weight: 700;
  line-height: var(--lh-hero);
  letter-spacing: -.015em;
  color: var(--ink-900);
}
.hero__sub {
  max-width: 34em;
  font-size: var(--fs-lead);
  line-height: 1.78;
  color: var(--color-text-2);
}
.hero__chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: 13.5px;
  color: var(--color-text);
  box-shadow: var(--shadow-sm);
}
.chip strong { color: var(--brand-800); font-weight: 700; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 36px; }

/* ---------- 11. Hero 生态插画（1+N） ---------- */
.hero__media { position: relative; display: flex; justify-content: center; }
.ecosystem {
  position: relative;
  width: min(100%, 470px);
  aspect-ratio: 1 / 1;
}
.ecosystem__ring {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
}
.ecosystem__ring circle { fill: none; }
.ecosystem__ring circle:nth-child(1) {
  stroke: rgba(13, 148, 136, .22);
  stroke-width: 1.6;
  stroke-dasharray: 5 9;
}
.ecosystem__ring circle:nth-child(2) {
  stroke: rgba(6, 182, 212, .2);
  stroke-width: 1.2;
  stroke-dasharray: 1 9;
}
.ecosystem__node {
  position: absolute;
  display: grid;
  place-items: center;
  width: 66px; height: 66px;
  border-radius: 22px;
  background: rgba(255, 255, 255, .92);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
  color: var(--brand-700);
  transform: translate(-50%, -50%);
  backdrop-filter: blur(6px);
}
.ecosystem__node .ico { width: 27px; height: 27px; }
.ecosystem__node--dot {
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--amber-400);
  border: 2px solid #fff;
  box-shadow: 0 0 0 4px rgba(251, 191, 36, .25);
}
.ecosystem__device {
  position: absolute;
  left: 50%; top: 50%;
  width: 42%;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
}
.ecosystem__screen {
  width: 100%;
  padding: 7px;
  border-radius: 16px;
  background: linear-gradient(160deg, #10263B, #0A1B2A);
  box-shadow: var(--shadow-lg), inset 0 1px 0 rgba(255, 255, 255, .08);
}
.ecosystem__display {
  width: 100%;
  aspect-ratio: 3 / 4;
  border-radius: 11px;
  background: linear-gradient(165deg, #F2FAF8, #E4F3EF);
  padding: 14px 12px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 10px;
}
.ecosystem__line { display: block; height: 6px; border-radius: 4px; background: #9FD9CB; }
.ecosystem__line:nth-child(2) { background: #B7D9E6; }
.ecosystem__pill {
  display: block;
  width: 46%;
  height: 15px;
  border-radius: 8px;
  background: var(--grad-amber);
  box-shadow: 0 4px 10px -3px rgba(217, 119, 6, .55);
}
.ecosystem__pole {
  width: 7px; height: 18px;
  border-radius: 4px;
  background: linear-gradient(90deg, #B9C6C3, #E7EFED 55%, #9FB0AC);
}
.ecosystem__foot {
  width: 58px; height: 8px;
  border-radius: 6px;
  background: linear-gradient(90deg, #B9C6C3, #E7EFED 55%, #9FB0AC);
  box-shadow: 0 4px 8px -4px rgba(10, 20, 36, .4);
}
.ecosystem__caption {
  position: absolute;
  left: 50%; bottom: 0;
  transform: translateX(-50%);
  font-size: 12.5px;
  color: var(--color-text-3);
  white-space: nowrap;
}

/* ---------- 12. 产品矩阵 ---------- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-6);
}
.product-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  background: var(--n0);
  transition: transform var(--dur-base) var(--ease-out),
              box-shadow var(--dur-base) var(--ease-out),
              border-color var(--dur-base) var(--ease-out);
}
.product-card__visual {
  position: relative;
  aspect-ratio: 16 / 10;
  display: grid;
  place-items: center;
  overflow: hidden;
}
.product-card--live .product-card__visual {
  background: var(--grad-live);
}
.product-card--live .product-card__visual::after {
  content: '';
  position: absolute;
  left: 50%; top: 50%;
  width: 76%;
  aspect-ratio: 1;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(20, 184, 166, .4), transparent 62%);
  filter: blur(2px);
}
.product-card--planning {
  background: var(--color-bg-soft);
  border: 1.5px dashed var(--n300);
}
.product-card--planning .product-card__visual {
  background:
    radial-gradient(rgba(152, 168, 164, .22) 1px, transparent 1px);
  background-size: 22px 22px;
}
.product-card__visual-ico {
  width: 60px; height: 60px;
  color: var(--n300);
  stroke-width: 1.6;
}
/* 已上线卡：标价牌设备简笔画 */
.product-card__device {
  position: relative;
  z-index: 1;
  width: 44%;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.product-card__device-screen {
  width: 100%;
  aspect-ratio: 3 / 4;
  border-radius: 10px;
  background: rgba(246, 252, 250, .95);
  box-shadow: 0 18px 34px -14px rgba(3, 12, 22, .55), inset 0 0 0 1px rgba(255, 255, 255, .6);
  padding: 13px 11px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.product-card__device-rows {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 7px;
}
.product-card__device-line {
  display: block;
  height: 5px;
  border-radius: 3px;
  background: #9ED8C9;
}
.product-card__device-line:nth-child(2) { background: #B3D3E0; width: 64%; }
.product-card__device-tile {
  width: 40px;
  height: 46px;
  flex: none;
  display: grid;
  place-items: center;
  border-radius: 9px;
  background: var(--grad-brand-bright);
  color: #fff;
  box-shadow: 0 8px 16px -6px rgba(6, 182, 212, .55);
}
.product-card__device-pole {
  width: 6px; height: 15px;
  border-radius: 3px;
  background: rgba(255, 255, 255, .45);
}
.product-card__device-foot {
  width: 52px; height: 7px;
  border-radius: 5px;
  background: rgba(255, 255, 255, .4);
}
.product-card__visual-badge {
  position: absolute;
  z-index: 2;
  top: 14px; left: 14px;
  background: rgba(5, 17, 27, .34);
  border: 1px solid rgba(255, 255, 255, .22);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  color: #fff;
  box-shadow: none;
}
.product-card__body {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 22px 24px;
}
.product-card__head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 12px;
}
.product-card__name {
  font-size: 19px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink-900);
}
.product-card--planning .product-card__name { color: var(--color-text); }
.product-card__desc {
  font-size: 14px;
  line-height: 1.75;
  color: var(--color-text-2);
}
.product-card__actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 6px; }
.product-card__hint {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: auto;
  padding-top: 6px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--color-text-3);
}
.product-card__hint::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--n400);
}

.product-card--live:hover {
  transform: translateY(-6px);
  border-color: rgba(15, 118, 110, .3);
  box-shadow: var(--shadow-lift);
}
.product-card--planning:hover { border-color: var(--n400); }
.product-card--planning:focus-visible { border-color: var(--brand-500); }
.product-grid__ghost { display: none; }

/* ---------- 13. 标价牌专区 · 产品介绍 ---------- */
.signage-intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  align-items: center;
  gap: clamp(40px, 6vw, 76px);
  margin-bottom: clamp(36px, 4.5vw, 56px);
}

.media-stack { position: relative; padding-bottom: 9%; }
.media-stack__back {
  position: absolute;
  left: 2%; bottom: 2%;
  width: 82%; height: 86%;
  border-radius: var(--radius-2xl);
  background: linear-gradient(160deg, #E3F4EF, #D9EFF4);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}
.media-device {
  position: relative;
  z-index: 2;
  width: 72%;
  margin-left: 6%;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 18px;
  box-shadow: var(--shadow-md);
}
.media-device__bar {
  display: flex;
  align-items: center;
  gap: 6px;
  height: 38px;
  padding: 0 16px;
  border-bottom: 1px solid var(--color-border);
}
.media-device__dot {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--n200);
}
.media-device__dot:first-child { background: #F2A9A4; }
.media-device__dot:nth-child(2) { background: var(--amber-300); }
.media-device__dot:nth-child(3) { background: #93D6BE; }
.media-device__screen { padding: 16px; }
.media-device__placeholder {
  aspect-ratio: 16 / 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  border-radius: var(--radius-md);
  border: 1.5px dashed var(--n300);
  background: linear-gradient(180deg, #FBFDFC, #F0F7F5);
  color: var(--color-text-3);
  font-size: 13px;
}
.media-device__placeholder .ico { width: 40px; height: 40px; color: var(--n300); }
.media-device--mini {
  position: absolute;
  z-index: 3;
  right: 0; bottom: 0;
  width: 44%;
  box-shadow: var(--shadow-lift);
}
.media-device--mini .media-device__placeholder { aspect-ratio: 4 / 3; }
.media-caption {
  position: relative;
  z-index: 2;
  margin: 18px 0 0 6%;
  font-size: 12.5px;
  color: var(--color-text-3);
}

.signage-intro__eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-num);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: .26em;
  text-transform: uppercase;
  color: var(--brand-600);
  margin-bottom: 14px;
}
.signage-intro__eyebrow::before {
  content: '';
  width: 26px; height: 2px;
  border-radius: 2px;
  background: var(--grad-brand);
}
.signage-intro__title {
  font-size: var(--fs-h3);
  font-weight: 700;
  line-height: var(--lh-h1);
  letter-spacing: -.01em;
  color: var(--ink-900);
}
.signage-intro__desc {
  margin-top: 16px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--color-text-2);
}
.signage-intro__points { display: grid; gap: 13px; margin-top: 24px; }
.signage-intro__point {
  display: flex;
  align-items: center;
  gap: 11px;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-800);
}
.signage-intro__point .ico {
  width: 21px; height: 21px;
  padding: 4px;
  border-radius: 50%;
  background: var(--success-bg);
  color: var(--success);
}

/* ---------- 14. 三步流程 ---------- */
.steps {
  counter-reset: aubuk-step;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}
.step {
  position: relative;
  counter-increment: aubuk-step;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-rows: auto auto;
  column-gap: 16px;
  align-items: start;
  padding: 26px 26px 28px;
  border-radius: var(--radius-lg);
  background: #fff;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out), border-color var(--dur-base);
}
.step:hover {
  transform: translateY(-4px);
  border-color: rgba(15, 118, 110, .28);
  box-shadow: var(--shadow-md);
}
.step__num {
  grid-row: 1 / span 2;
  display: grid;
  place-items: center;
  width: 38px; height: 38px;
  border-radius: 13px;
  background: var(--grad-brand);
  color: #fff;
  font-family: var(--font-num);
  font-size: 15px;
  font-weight: 700;
  box-shadow: 0 10px 18px -8px rgba(15, 118, 110, .6);
}
.step__num::before { content: counter(aubuk-step, decimal-leading-zero); }
.step__title {
  grid-column: 2;
  margin-top: 0;
  font-size: 18px;
  font-weight: 700;
  color: var(--ink-900);
  line-height: 38px; /* 与左侧数字块垂直居中对齐 */
}
.step__desc {
  grid-column: 2;
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--color-text-2);
}

/* ---------- 15. 功能 / 要点卡 ---------- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}
.feature-card {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-rows: auto auto;
  column-gap: 16px;
  align-items: start;
  padding: 26px 24px 28px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  background: #fff;
  box-shadow: var(--shadow-sm);
  transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out), border-color var(--dur-base);
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--grad-brand);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-slow) var(--ease-out);
}
.feature-card:hover {
  transform: translateY(-5px);
  border-color: rgba(15, 118, 110, .26);
  box-shadow: var(--shadow-md);
}
.feature-card:hover::before { transform: scaleX(1); }
.feature-card__icon {
  grid-row: 1 / span 2;
  display: grid;
  place-items: center;
  width: 52px; height: 52px;
  border-radius: 15px;
  background: var(--color-bg-tint);
  color: var(--brand-700);
  margin-bottom: 0;
  transition: background-color var(--dur-base), color var(--dur-base), transform var(--dur-base) var(--ease-spring);
}
.feature-card__icon .ico { width: 25px; height: 25px; }
.feature-card:hover .feature-card__icon {
  background: var(--grad-brand);
  color: #fff;
  transform: translateY(-2px) rotate(-3deg);
}
.feature-card__title {
  grid-column: 2;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--ink-900);
  margin-top: 2px;
}
.feature-card__desc {
  grid-column: 2;
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--color-text-2);
}

/* ---------- 16. 适用场景卡 ---------- */
.scene-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}
.scene-card {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-rows: auto auto;
  column-gap: 14px;
  align-items: start;
  padding: 24px 20px 22px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: #fff;
  transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out), border-color var(--dur-base);
}
.scene-card::after {
  content: '';
  position: absolute;
  inset: auto 0 0 0;
  height: 3px;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  background: linear-gradient(90deg, rgba(6, 182, 212, .6), rgba(13, 148, 136, .25));
  opacity: 0;
  transition: opacity var(--dur-base);
}
.scene-card:hover {
  transform: translateY(-4px);
  border-color: rgba(6, 182, 212, .3);
  box-shadow: var(--shadow-md);
}
.scene-card:hover::after { opacity: 1; }
.scene-card__icon {
  grid-row: 1 / span 2;
  display: grid;
  place-items: center;
  width: 48px; height: 48px;
  border-radius: 14px;
  background: var(--cyan-50);
  color: var(--cyan-700);
  margin-bottom: 0;
}
.scene-card__icon .ico { width: 22px; height: 22px; }
.scene-card__title {
  grid-column: 2;
  font-size: 17px;
  font-weight: 700;
  color: var(--ink-900);
  margin-top: 2px;
}
.scene-card__desc {
  grid-column: 2;
  margin-top: 8px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--color-text-2);
}
.scene-card__tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 15px; }
.scene-tag {
  padding: 4px 11px;
  border-radius: var(--radius-full);
  background: var(--brand-50);
  border: 1px solid rgba(20, 168, 148, .22);
  color: var(--brand-800);
  font-size: 12px;
  font-weight: 600;
}

/* ---------- 17. 区块 CTA（通栏条） ---------- */
.cta-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  margin-top: clamp(40px, 5vw, 60px);
  padding: clamp(24px, 3.5vw, 36px) clamp(28px, 5vw, 60px);
  border-radius: var(--radius-2xl);
  background: var(--grad-ink);
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}
.cta-bar::before {
  content: '';
  position: absolute;
  right: -80px; top: -120px;
  width: 340px; height: 340px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(20, 184, 166, .28), transparent 60%);
}
.cta-bar > div { position: relative; z-index: 1; }
.cta-bar__title {
  font-size: clamp(21px, 2.6vw, 27px);
  font-weight: 700;
  color: #fff;
  line-height: 1.4;
}
.cta-bar__sub {
  margin-top: 6px;
  font-size: 14.5px;
  color: rgba(255, 255, 255, .72);
}
.cta-bar .btn { position: relative; z-index: 1; flex: none; }

/* ---------- 18. 关于我们 ---------- */
.about-lead {
  max-width: 860px;
  margin: 0 auto clamp(28px, 4vw, 44px);
  text-align: center;
  font-size: clamp(17px, 2vw, 19px);
  line-height: 1.95;
  color: var(--color-text-2);
}
.about-lead strong { color: var(--brand-800); font-weight: 700; }

/* ---------- 19. 行动 CTA 大卡 ---------- */
.cta-card {
  position: relative;
  overflow: hidden;
  padding: clamp(40px, 6vw, 68px) clamp(24px, 6vw, 80px);
  border-radius: var(--radius-2xl);
  background: var(--grad-ink);
  text-align: center;
  box-shadow: var(--shadow-lg);
}
.cta-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
  background-size: 40px 40px;
  -webkit-mask-image: radial-gradient(70% 80% at 50% 30%, #000 0%, transparent 76%);
  mask-image: radial-gradient(70% 80% at 50% 30%, #000 0%, transparent 76%);
}
.cta-card::after {
  content: '';
  position: absolute;
  left: 50%; top: -140px;
  width: 460px; height: 300px;
  transform: translateX(-50%);
  border-radius: 50%;
  background: radial-gradient(ellipse at center, rgba(20, 184, 166, .26), transparent 65%);
}
.cta-card__title {
  position: relative;
  z-index: 1;
  font-size: var(--fs-h2);
  font-weight: 700;
  letter-spacing: -.01em;
  color: #fff;
}
.cta-card__sub {
  position: relative;
  z-index: 1;
  margin: 14px auto 0;
  max-width: 560px;
  font-size: 16.5px;
  color: rgba(255, 255, 255, .76);
}
.cta-card__actions {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  margin-top: 34px;
}

/* ---------- 20. 页脚 ---------- */
.footer {
  background: var(--ink-950);
  color: #fff;
  padding: clamp(44px, 5vw, 64px) 0 0;
}
.footer__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) repeat(3, minmax(0, 1fr));
  gap: 48px 36px;
}
.footer__brand .logo__mark {
  background: var(--grad-brand);
  box-shadow: 0 8px 20px -8px rgba(20, 184, 166, .5);
}
.footer__brand .logo__name { color: #fff; }
.footer__brand .logo__tag { color: rgba(255, 255, 255, .45); }
.footer__slogan {
  max-width: 30em;
  margin-top: 18px;
  font-size: 14px;
  line-height: 1.9;
  color: rgba(255, 255, 255, .62);
}
.footer__title {
  margin-bottom: 20px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .14em;
  color: #fff;
}
.footer__links {
  display: grid;
  gap: 12px;
}
.footer__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, .64);
  font-size: 14px;
  text-decoration: none;
  line-height: 1.6;
  transition: color var(--dur-fast);
}
a.footer__link:hover { color: #fff; }
.footer__link--muted { color: rgba(255, 255, 255, .4); }
.footer__contact { display: grid; gap: 14px; }
.footer__contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: rgba(255, 255, 255, .68);
  font-size: 14px;
  line-height: 1.7;
}
.footer__contact-item .ico {
  margin-top: 3px;
  color: var(--brand-300);
  width: 17px; height: 17px;
}
.footer__bottom {
  margin-top: clamp(44px, 6vw, 64px);
  padding: 22px 0;
  border-top: 1px solid rgba(255, 255, 255, .08);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 20px;
  font-size: 12.5px;
  color: rgba(255, 255, 255, .42);
}
.footer__sep { margin: 0 9px; opacity: .6; }
.footer__bottom .footer__link--muted { color: rgba(255, 255, 255, .4); }

/* ============================================================
   21. 登录页 login.html（深青墨 × 电光青 品牌左栏）
   ============================================================ */
.login-body {
  min-height: 100vh;
  background: var(--n0);
}
.login-split {
  display: grid;
  grid-template-columns: minmax(0, 55fr) minmax(0, 45fr);
  min-height: 100vh;
}

/* ---- 顶部品牌条（<1024 显示） ---- */
.brand-bar { display: none; }

/* ---- 左：品牌宣传区 ---- */
.brand-panel {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  padding: clamp(30px, 4vw, 64px);
  background: var(--grad-ink);
  color: #fff;
}
.brand-panel__deco {
  position: absolute;
  width: 640px; height: 640px;
  top: -200px; right: -180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(20, 184, 166, .24), transparent 64%);
  pointer-events: none;
}
.brand-panel__deco--b {
  width: 560px; height: 560px;
  top: auto; right: auto;
  bottom: -180px; left: -200px;
  background: radial-gradient(circle, rgba(6, 182, 212, .2), transparent 64%);
}
.brand-panel > :not(.brand-panel__deco) { position: relative; z-index: 1; }
.brand-panel .back-link {
  position: absolute;
  top: clamp(28px, 4vw, 52px);
  left: clamp(28px, 4vw, 64px);
  z-index: 2;
  color: rgba(255, 255, 255, .78);
}
.brand-panel .back-link:hover { color: #fff; }
.brand-panel__head {
  margin-top: clamp(40px, 7vh, 88px);
  max-width: 640px;
}
.brand-panel__head .logo__name { color: #fff; font-size: 18px; }
.brand-panel__head .logo__tag { display: none; }
.brand-panel__main { max-width: 640px; margin-top: clamp(32px, 6vh, 64px); }
.brand-panel__h1 {
  font-size: clamp(30px, 3.4vw, 46px);
  font-weight: 700;
  line-height: 1.26;
  color: #fff;
  letter-spacing: -.01em;
}
.brand-panel__lead {
  margin-top: 16px;
  font-size: 18px;
  color: rgba(255, 255, 255, .74);
}
.brand-panel__selling {
  display: grid;
  gap: clamp(18px, 2.6vh, 26px);
  margin-top: clamp(36px, 6vh, 60px);
}
.selling-item { display: flex; align-items: flex-start; gap: 16px; }
.selling-item__icon {
  flex: none;
  display: grid;
  place-items: center;
  width: 48px; height: 48px;
  border-radius: 15px;
  background: rgba(255, 255, 255, .1);
  border: 1px solid rgba(255, 255, 255, .16);
  color: #6FE0CC;
}
.selling-item__icon .ico { width: 23px; height: 23px; }
.selling-item__title {
  font-size: 16.5px;
  font-weight: 600;
  color: #fff;
  line-height: 1.5;
}
.selling-item__desc {
  margin-top: 5px;
  font-size: 13.5px;
  line-height: 1.8;
  color: rgba(255, 255, 255, .66);
}
.brand-panel__slogan {
  max-width: 640px;
  margin-top: auto;
  padding-top: clamp(44px, 9vh, 80px);
  padding-left: 18px;
  border-left: 3px solid var(--amber-400);
  font-size: 16px;
  font-weight: 600;
  color: rgba(255, 255, 255, .92);
}

/* ---- 右：登录表单区 ---- */
.form-panel {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px clamp(20px, 4vw, 60px);
  background:
    radial-gradient(640px 380px at 108% -6%, rgba(20, 184, 166, .08), transparent 62%),
    linear-gradient(180deg, #F3F9F7 0%, #FBFDFC 60%, #FFFFFF 100%);
}
.login-card {
  width: min(100%, 424px);
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  padding: clamp(30px, 4vw, 46px) clamp(24px, 3vw, 44px);
}
.login-card__title {
  font-size: 27px;
  font-weight: 700;
  color: var(--ink-900);
  letter-spacing: -.01em;
}
.login-card__sub {
  margin-top: 10px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-2);
}
.login-card__head { margin-bottom: 30px; }

/* Tab 分段切换 */
.tablist {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  margin-bottom: 30px;
  padding: 5px;
  border-radius: 15px;
  background: var(--n100);
  border: 1px solid var(--color-border);
}
.tab {
  height: 44px;
  border: 0;
  border-radius: 11px;
  background: transparent;
  font-family: var(--font-sans);
  font-size: 14.5px;
  font-weight: 500;
  color: var(--color-text-2);
  cursor: pointer;
  transition: background-color var(--dur-fast), color var(--dur-fast), box-shadow var(--dur-fast);
}
.tab[aria-selected="true"] {
  background: #fff;
  color: var(--brand-700);
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

/* 表单字段 */
.field { margin-bottom: 18px; }
.field__label {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-bottom: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-800);
}
.req { color: var(--error); }
.field__control { position: relative; }
.field__control--suffix input { padding-right: 54px; }
.field__control--suffix-wide input { padding-right: 128px; }
.field__input {
  width: 100%;
  height: 48px;
  padding: 0 15px;
  border: 1px solid var(--n300);
  border-radius: var(--radius-md);
  background: #fff;
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 16px;
  transition: border-color var(--dur-fast), box-shadow var(--dur-fast);
}
.field__input::placeholder { color: var(--color-text-3); }
.field__input:hover { border-color: var(--n400); }
.field__input:focus {
  outline: none;
  border-color: var(--brand-600);
  box-shadow: var(--ring-brand);
}
.field.has-error .field__input,
.field__input.is-error {
  border-color: var(--error);
  box-shadow: 0 0 0 4px rgba(229, 72, 77, .12);
}
.field__error {
  display: none;
  margin-top: 6px;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--error);
}
.field.has-error .field__error { display: block; }

.field__suffix {
  position: absolute;
  top: 50%;
  right: 6px;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
}
.icon-btn {
  display: grid;
  place-items: center;
  width: 36px; height: 36px;
  border: 0;
  border-radius: 9px;
  background: transparent;
  color: var(--color-text-2);
  cursor: pointer;
  transition: background-color var(--dur-fast), color var(--dur-fast);
}
.icon-btn:hover { background: var(--n100); color: var(--ink-900); }
.code-btn {
  height: 36px;
  padding: 0 12px;
  border: 0;
  border-radius: 9px;
  background: var(--brand-50);
  color: var(--brand-700);
  font-family: var(--font-sans);
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color var(--dur-fast), color var(--dur-fast);
  white-space: nowrap;
}
.code-btn:hover:not(:disabled) { background: var(--brand-100); }
.code-btn:disabled { background: var(--n100); color: var(--color-text-3); cursor: not-allowed; }

.form-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 2px 0 24px;
}
.checkbox {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 14px;
  color: var(--color-text-2);
  cursor: pointer;
  user-select: none;
  min-height: 24px;
}
.checkbox input {
  position: absolute;
  width: 1px; height: 1px;
  opacity: 0;
}
.checkbox__box {
  display: grid;
  place-items: center;
  width: 18px; height: 18px;
  border-radius: 5px;
  border: 1px solid var(--n300);
  background: #fff;
  color: #fff;
  transition: background-color var(--dur-fast), border-color var(--dur-fast);
}
.checkbox__box .ico {
  width: 12px; height: 12px;
  opacity: 0;
  transform: scale(.6);
  transition: opacity var(--dur-fast), transform var(--dur-fast) var(--ease-spring);
  stroke-width: 2.4;
}
.checkbox input:checked ~ .checkbox__box {
  background: var(--grad-brand);
  border-color: transparent;
}
.checkbox input:checked ~ .checkbox__box .ico { opacity: 1; transform: scale(1); }
.checkbox input:focus-visible ~ .checkbox__box { box-shadow: var(--ring-brand); }
.checkbox:hover .checkbox__box { border-color: var(--brand-500); }

.login-submit { margin-top: 6px; }
.login-submit .btn { height: 50px; border-radius: var(--radius-md); font-size: 16px; }

.login-card__note {
  margin: 18px 0 0;
  text-align: center;
  font-size: 12.5px;
  color: var(--color-text-3);
}
.form-divider {
  margin: 22px 0 0;
  border-top: 1px solid var(--color-border);
}
.register-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding-top: 14px;
  font-size: 14px;
  color: var(--color-text-2);
}
.security {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 22px;
  font-size: 13px;
  color: var(--color-text-2);
}
.security .ico { color: var(--success); width: 16px; height: 16px; }

/* ---------- 22. 全局返回链接 ---------- */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--color-link);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  transition: color var(--dur-fast);
}
.back-link:hover { color: var(--color-link-hover); }

/* ============================================================
   23. 响应式断点
   ============================================================ */

/* ---- ≤1023：导航折叠 / Hero 单列 / 登录单栏 ---- */
@media (max-width: 1023.98px) {
  .nav__inner { height: var(--header-h-mobile); gap: 14px; }
  .nav__menu,
  .nav__login-desktop { display: none; }
  .nav__burger { display: inline-flex; }

  .hero__inner {
    grid-template-columns: minmax(0, 1fr);
    padding: calc(var(--header-h-mobile) + clamp(40px, 6vw, 64px)) var(--gutter) clamp(64px, 8vw, 96px);
    gap: 44px;
  }
  .hero__text { max-width: 660px; }
  .hero__media { order: 2; }
  .ecosystem { width: min(100%, 420px); margin: 0 auto; }

  .signage-intro { grid-template-columns: minmax(0, 1fr); gap: 48px; }
  .media-stack { max-width: 560px; }

  .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .product-grid__ghost { display: none; }

  .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .scene-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  .footer__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer__brand { grid-column: 1 / -1; }

  /* 登录页：品牌区压缩为顶部品牌条 */
  .login-split { grid-template-columns: minmax(0, 1fr); min-height: 100vh; }
  .brand-panel { display: none; }
  .brand-bar {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 20px;
    background: var(--grad-ink);
    color: #fff;
  }
  .brand-bar .back-link { color: rgba(255, 255, 255, .82); }
  .brand-bar .back-link:hover { color: #fff; }
  .brand-bar .logo__name { color: #fff; font-size: 17px; }
  .brand-bar__slogan {
    margin-left: auto;
    font-size: 13px;
    color: rgba(255, 255, 255, .68);
    white-space: nowrap;
  }
  .form-panel {
    min-height: calc(100vh - 76px);
    align-items: flex-start;
    padding: clamp(34px, 6vw, 60px) 20px;
  }
  .login-card { box-shadow: var(--shadow-md); }
}

/* ---- ≤767：移动端单列 / 抽屉与 Toast 全宽 ---- */
@media (max-width: 767.98px) {
  :root {
    --fs-hero: clamp(34px, 9.2vw, 46px);
    --fs-h1: clamp(27px, 7vw, 34px);
    --fs-h2: clamp(24px, 6.4vw, 31px);
  }
  .container, .nav__inner { padding-left: var(--gutter-mobile); padding-right: var(--gutter-mobile); }
  .section-head__sub { font-size: 15px; }

  .hero__inner { padding-left: var(--gutter-mobile); padding-right: var(--gutter-mobile); }
  .hero__title { letter-spacing: 0; }
  .hero__chips .chip { font-size: 13px; }
  .hero__actions { flex-direction: column; align-items: stretch; }
  .hero__actions .btn { width: 100%; }

  .product-grid { grid-template-columns: minmax(0, 1fr); gap: 18px; }

  .signage-intro { gap: 40px; }
  .media-stack { max-width: 100%; }
  .steps { grid-template-columns: minmax(0, 1fr); gap: 16px; }

  .feature-grid { grid-template-columns: minmax(0, 1fr); gap: 18px; }
  .scene-grid { grid-template-columns: minmax(0, 1fr); gap: 18px; }

  .cta-bar { flex-direction: column; align-items: flex-start; }
  .cta-bar .btn { width: 100%; }
  .cta-card__actions { flex-direction: column; align-items: stretch; }
  .cta-card__actions .btn { width: 100%; }

  .footer__grid { grid-template-columns: minmax(0, 1fr); gap: 40px; }
  .footer__bottom { flex-direction: column; text-align: center; }

  .toast-region { left: 14px; right: 14px; top: 12px; align-items: stretch; }

  .login-card__sub { font-size: 13.5px; }
  .brand-bar { flex-wrap: wrap; row-gap: 10px; padding: 12px 16px; }
  .brand-bar .back-link { order: 1; }
  .brand-bar .logo { order: 2; }
  .brand-bar__slogan { order: 3; width: 100%; margin-left: 0; white-space: normal; font-size: 12.5px; }
}

/* ---- ≤380：品牌条收窄 ---- */
@media (max-width: 379.98px) {
  .brand-bar { gap: 10px; }
  .brand-bar__slogan { display: none; }
}

/* ============================================================
   24. 动效安全 & 杂项
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}

@media print {
  .nav, .drawer, .toast-region { display: none !important; }
}

/* ============================================================
   25. 参考站点迁移层：AUBUK Neon Operations UI
   深色控制台视觉 / 胶囊导航 / 电光青渐变
   仅改变视觉，不改变现有业务结构与交互钩子
   ============================================================ */
:root {
  --color-bg: #050810;
  --color-bg-soft: #0A0F1C;
  --color-bg-tint: #0E1424;
  --color-bg-ivory: #050810;
  --color-border: rgba(255,255,255,.09);
  --color-border-strong: rgba(255,255,255,.16);
  --color-text: #CBD5E1;
  --color-text-2: #CBD5E1;
  --color-text-3: #64748B;
  --color-link: #67E8F9;
  --color-link-hover: #A5F3FC;
  --brand-50: rgba(34,211,238,.08);
  --brand-100: rgba(34,211,238,.13);
  --brand-200: rgba(34,211,238,.2);
  --brand-300: #7DD3FC;
  --brand-400: #22D3EE;
  --brand-500: #22D3EE;
  --brand-600: #00E5C7;
  --brand-700: #00E5C7;
  --brand-800: #14B8A6;
  --brand-900: #0F766E;
  --brand-950: #050810;
  --ink-950: #050810;
  --ink-900: #F8FAFC;
  --ink-800: #CBD5E1;
  --ink-700: #94A3B8;
  --n0: #0A0F1C;
  --n50: #0E1424;
  --n100: #131A2E;
  --n200: rgba(255,255,255,.09);
  --n300: rgba(255,255,255,.14);
  --n400: #64748B;
  --n500: #64748B;
  --n600: #94A3B8;
  --n700: #CBD5E1;
  --n800: #E2E8F0;
  --n900: #F8FAFC;
  --grad-brand: linear-gradient(135deg, #22D3EE 0%, #00E5C7 60%, #34D399 100%);
  --grad-brand-bright: linear-gradient(135deg, #22D3EE 0%, #00E5C7 100%);
  --grad-ink: linear-gradient(135deg, #0A0F1C 0%, #0F1A2E 50%, #0A0F1C 100%);
  --grad-ink-card: linear-gradient(160deg, rgba(34,211,238,.12), rgba(124,58,237,.06) 50%, rgba(255,255,255,0));
  --grad-live: linear-gradient(150deg, #0E1424 0%, #131A2E 100%);
  --grad-soft: linear-gradient(180deg, #0A0F1C 0%, #050810 100%);
  --success: #34D399;
  --success-bg: rgba(52,211,153,.12);
  --info: #22D3EE;
  --info-bg: rgba(34,211,238,.1);
  --error-bg: rgba(248,113,113,.12);
  --shadow-sm: 0 8px 32px rgba(0,0,0,.22);
  --shadow-md: 0 18px 48px -16px rgba(0,0,0,.65);
  --shadow-lg: 0 30px 80px -20px rgba(0,0,0,.7);
  --shadow-lift: 0 24px 60px -20px rgba(34,211,238,.2);
  --ring-focus: 0 0 0 3px #050810, 0 0 0 6px rgba(34,211,238,.55);
}

body {
  background-color: var(--color-bg);
  background-image:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(34,211,238,.18), transparent 60%),
    radial-gradient(ellipse 60% 40% at 80% 20%, rgba(124,58,237,.12), transparent 60%),
    linear-gradient(180deg, #050810 0%, #060B17 50%, #050810 100%);
  overflow-x: hidden;
}
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: .38;
  background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000 30%, transparent 80%);
  mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000 30%, transparent 80%);
}
strong, .section-head__title, .hero__title, .product-card__name, .signage-intro__title, .step__title, .feature-card__title, .scene-card__title { color: var(--n900); }

.logo__mark {
  background: var(--grad-brand);
  color: #050810;
  border-radius: 10px;
  box-shadow: 0 0 24px -4px rgba(0,229,199,.6);
}
.logo__mark::after { background: #FBBF24; }
.logo__name { color: var(--n900); }
.logo__tag { color: var(--n400); }

.nav {
  top: 14px;
  left: 50%;
  right: auto;
  inset-block-end: auto;
  width: min(1200px, calc(100% - 24px));
  height: auto;
  transform: translateX(-50%);
  padding: 10px 14px 10px 22px;
  border: 1px solid var(--color-border);
  border-radius: 16px;
  background: rgba(10,14,28,.55);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  backdrop-filter: blur(18px) saturate(140%);
  box-shadow: 0 8px 32px rgba(0,0,0,.4);
}
.nav--scrolled { background: rgba(10,14,28,.82); border-color: var(--color-border-strong); box-shadow: 0 8px 32px rgba(0,0,0,.45); }
.nav__inner { max-width: none; height: auto; margin: 0; padding: 0; gap: 24px; }
.nav__menu { margin-left: auto; gap: 6px; }
.nav__link { color: var(--color-text); padding: 8px 14px; border-radius: 10px; }
.nav__link::after { display: none; }
.nav__link:hover, .nav__link--active { color: var(--n900); background: rgba(255,255,255,.06); }
.nav__login-desktop { background: var(--n900); color: #050810; border-color: var(--n900); box-shadow: none; }
.nav__login-desktop:hover { color: #050810; background: #fff; filter: none; }
.nav__burger { background: rgba(255,255,255,.04); border-color: var(--color-border-strong); color: var(--n900); }

.hero { padding-top: 116px; padding-bottom: 64px; background: transparent; }
.hero::before { content: ''; position: absolute; inset: -200px auto auto 50%; width: 1000px; height: 1000px; transform: translateX(-50%); background: radial-gradient(circle, rgba(34,211,238,.2) 0%, rgba(124,58,237,.12) 35%, transparent 70%); pointer-events: none; }
.hero__inner { max-width: calc(var(--container) + var(--gutter) * 2); }
.hero__badge { background: rgba(34,211,238,.08); border-color: rgba(34,211,238,.25); color: #A5F3FC; box-shadow: none; }
.hero__badge .dot { background: #22D3EE; box-shadow: 0 0 12px #22D3EE; }
.hero__title { color: var(--n900); font-size: clamp(40px, 5.8vw, 68px); letter-spacing: -.025em; }
.hero__sub { color: var(--n600); }
.hero__chips { gap: 10px; }
.chip { background: rgba(255,255,255,.04); border-color: var(--color-border); color: var(--color-text); box-shadow: none; }
.chip strong { color: #A5F3FC; }
.hero__actions { margin-top: 32px; }
.btn--brand, .btn--primary { background: var(--grad-brand); color: #050810; border-color: transparent; box-shadow: 0 0 32px -6px rgba(0,229,199,.6), inset 0 0 0 1px rgba(255,255,255,.3); }
.btn--brand:hover, .btn--primary:hover { color: #050810; filter: none; box-shadow: 0 0 48px -4px rgba(0,229,199,.75), inset 0 0 0 1px rgba(255,255,255,.4); }
.btn--secondary, .btn--ghost { background: transparent; border-color: var(--color-border-strong); color: var(--color-text); }
.btn--secondary:hover, .btn--ghost:hover { color: var(--n900); background: rgba(255,255,255,.06); border-color: var(--color-border-strong); }
.btn--lg { border-radius: 999px; }

.ecosystem { border: 1px solid var(--color-border-strong); border-radius: 20px; padding: 22px; background: linear-gradient(160deg, rgba(255,255,255,.05), rgba(255,255,255,.02)); box-shadow: 0 0 60px -10px rgba(34,211,238,.35), 0 30px 80px -20px rgba(0,0,0,.6); }
.ecosystem__ring circle:nth-child(1) { stroke: rgba(34,211,238,.35); }
.ecosystem__ring circle:nth-child(2) { stroke: rgba(124,58,237,.28); }
.ecosystem__node { background: rgba(10,14,28,.9); border-color: var(--color-border-strong); color: #67E8F9; box-shadow: 0 16px 40px rgba(0,0,0,.5); }
.ecosystem__node--dot { background: #22D3EE; box-shadow: 0 0 12px #22D3EE; }
.ecosystem__caption { color: var(--n500); }
.ecosystem__screen { background: linear-gradient(160deg, #0E1424, #1A1F3A); }
.ecosystem__display { background: linear-gradient(165deg, #131A2E, #0E1424); }
.ecosystem__line { background: #22D3EE; opacity: .75; }
.ecosystem__line:nth-child(2) { background: #7C3AED; }

.section, .section--tint { background: transparent; }
.section--tint { border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); background: radial-gradient(ellipse 60% 40% at 80% 0%, rgba(34,211,238,.08), transparent 60%), radial-gradient(ellipse 60% 40% at 20% 100%, rgba(124,58,237,.06), transparent 60%), transparent; }
.section-head__sub, .product-card__desc, .feature-card__desc, .scene-card__desc, .step__desc, .about-lead, .signage-intro__desc { color: var(--n500); }
.badge--live { background: rgba(52,211,153,.12); color: #34D399; border: 1px solid rgba(52,211,153,.3); box-shadow: none; }
.badge--live::before { background: #34D399; box-shadow: 0 0 6px #34D399; }
.badge--planning { background: rgba(255,255,255,.04); border-color: var(--color-border); color: var(--n400); }

.product-grid { gap: 18px; }
.product-card, .feature-card, .step, .scene-card { border-color: var(--color-border); background: linear-gradient(160deg, rgba(255,255,255,.04), rgba(255,255,255,.01)); box-shadow: none; }
.product-card:hover, .feature-card:hover, .step:hover, .scene-card:hover { border-color: rgba(34,211,238,.4); box-shadow: 0 24px 60px -20px rgba(34,211,238,.2); }
.product-card--live .product-card__visual { background: linear-gradient(160deg, rgba(34,211,238,.12), rgba(124,58,237,.06) 50%, rgba(255,255,255,0)); }
.product-card--planning { background: linear-gradient(160deg, rgba(255,255,255,.03), rgba(255,255,255,.01)); border-color: var(--color-border); }
.product-card--planning .product-card__visual { background: radial-gradient(rgba(255,255,255,.07) 1px, transparent 1px); }
.product-card__name, .feature-card__title, .step__title, .scene-card__title { color: var(--n900); }
.product-card__visual-ico { color: var(--n400); }
.product-card__device-screen { background: linear-gradient(140deg, #0E1424, #1A1F3A); border: 1px solid var(--color-border-strong); }
.product-card__device-line { background: #22D3EE; }
.product-card__device-line:nth-child(2) { background: #7C3AED; }
.product-card__device-tile { background: var(--grad-brand); }
.product-card__device-pole, .product-card__device-foot { background: rgba(255,255,255,.25); }

.media-stack__back { background: linear-gradient(160deg, #0E1424, #131A2E); border-color: var(--color-border); }
.media-device { background: rgba(10,14,28,.72); border-color: var(--color-border-strong); box-shadow: var(--shadow-md); }
.media-device__bar { border-color: var(--color-border); }
.media-device__dot { background: #64748B; }
.media-device__placeholder { background: rgba(255,255,255,.02); border-color: var(--color-border-strong); color: var(--n500); }
.media-device__placeholder .ico { color: var(--n400); }
.signage-intro__eyebrow { color: #67E8F9; }
.signage-intro__eyebrow::before { background: var(--grad-brand); }
.signage-intro__point { color: var(--n700); }
.signage-intro__point .ico { background: rgba(52,211,153,.12); color: #34D399; }
.step__num, .feature-card__icon, .scene-card__icon { background: linear-gradient(160deg, rgba(34,211,238,.15), rgba(0,229,199,.05)); border: 1px solid rgba(34,211,238,.3); color: #67E8F9; box-shadow: none; }
.scene-tag { background: rgba(255,255,255,.04); border-color: var(--color-border); color: var(--n500); }
.cta-bar, .cta-card { background: var(--grad-cta, var(--grad-ink)); border: 1px solid rgba(34,211,238,.2); }
.cta-bar__title, .cta-card__title { color: var(--n900); }
.cta-bar__sub, .cta-card__sub { color: var(--n500); }
.cta-bar .btn--primary, .cta-card .btn--white { background: var(--grad-brand); color: #050810; }
.footer { background: rgba(0,0,0,.25); border-top: 1px solid var(--color-border); }
.footer__brand .logo__name, .footer__title { color: var(--n900); }
.footer__slogan, .footer__link, .footer__contact-item, .footer__bottom { color: var(--n500); }
.footer__link--muted { color: #475569; }

/* 登录页同源深色布局 */
.login-body { background: #050810; }
.brand-panel { background: var(--grad-ink); }
.form-panel { background: radial-gradient(640px 380px at 108% -6%, rgba(20,184,166,.12), transparent 62%), #0A0F1C; }
.login-card { background: rgba(255,255,255,.04); border-color: var(--color-border-strong); box-shadow: var(--shadow-lg); }
.login-card__title { color: var(--n900); }
.login-card__sub, .login-card__note, .register-row, .security { color: var(--n500); }
.tablist { background: rgba(255,255,255,.04); border-color: var(--color-border); }
.tab { color: var(--n500); }
.tab[aria-selected="true"] { background: rgba(255,255,255,.08); color: #A5F3FC; box-shadow: none; }
.field__label { color: var(--n700); }
.field__input { background: rgba(255,255,255,.04); border-color: var(--color-border-strong); color: var(--n900); }
.field__input::placeholder { color: var(--n400); }
.field__input:hover { border-color: rgba(34,211,238,.45); }
.field__input:focus { border-color: #22D3EE; box-shadow: 0 0 0 4px rgba(34,211,238,.12); }
.code-btn { background: rgba(34,211,238,.1); color: #67E8F9; }
.code-btn:disabled { background: rgba(255,255,255,.04); color: var(--n400); }
.checkbox { color: var(--n500); }
.checkbox__box { background: rgba(255,255,255,.04); border-color: var(--color-border-strong); }
.form-divider { border-color: var(--color-border); }
.brand-bar { background: var(--grad-ink); }

@media (max-width: 1023.98px) {
  .nav { top: 10px; }
  .nav__inner { height: auto; }
}
@media (max-width: 767.98px) {
  .nav { width: calc(100% - 20px); padding: 9px 10px 9px 14px; }
  .hero { padding-top: 130px; }
  .ecosystem { padding: 12px; }
}

/* 26. 全宽模块化官网架构 */
.container, .hero__inner { width: min(1480px, calc(100% - 80px)); max-width: none; }
.section { padding: clamp(52px, 6vw, 84px) 0; }
.section--wide .container { width: min(1680px, calc(100% - 48px)); }
.hero { min-height: min(720px, 86vh); display: flex; align-items: center; }
.hero__inner { gap: clamp(48px, 7vw, 132px); }
.product-grid { grid-template-columns: repeat(5, minmax(220px, 1fr)); overflow-x: auto; padding: 8px 2px 18px; scroll-snap-type: x proximity; }
.product-card { min-width: 220px; scroll-snap-align: start; }
.full-bleed-media { width: 100%; min-height: 340px; display: grid; place-items: center; border: 1px solid var(--color-border-strong); border-radius: 24px; background: radial-gradient(circle at 50% 40%, rgba(34,211,238,.16), transparent 42%), linear-gradient(145deg, #0E1424, #070B16); color: var(--n500); letter-spacing: .12em; }
.full-bleed-media strong { color: #67E8F9; font-size: clamp(22px, 3vw, 42px); letter-spacing: .02em; }
.image-slot { position: relative; min-height: 220px; display: grid; place-items: center; border: 1px dashed rgba(34,211,238,.38); border-radius: 18px; background: rgba(34,211,238,.04); color: var(--n500); }
.image-slot::after { content: '后续替换为正式图片'; position: absolute; bottom: 14px; right: 16px; color: var(--n400); font-size: 12px; letter-spacing: .04em; }
.product-card__detail { display: inline-flex; margin-top: 14px; color: #67E8F9; font-size: 13px; }
.product-card__detail:hover { color: #A5F3FC; }
.detail-hero { padding: 136px 0 64px; border-bottom: 1px solid var(--color-border); background: radial-gradient(ellipse 60% 80% at 80% 20%, rgba(34,211,238,.15), transparent 65%); }
.detail-hero__grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 7vw, 120px); align-items: center; }
.detail-hero__title { margin: 18px 0; color: var(--n900); font-size: clamp(40px, 6vw, 84px); line-height: 1; }
.detail-hero__lead { max-width: 650px; color: var(--n600); font-size: 18px; line-height: 1.9; }
.detail-nav { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 30px; }
.detail-section__head { max-width: 760px; margin-bottom: 32px; }
.detail-section__head h2 { margin: 0 0 12px; color: var(--n900); font-size: clamp(30px, 4vw, 56px); }
.detail-section__head p { color: var(--n500); font-size: 17px; line-height: 1.8; }
.detail-feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.detail-feature { display: grid; grid-template-columns: auto minmax(0, 1fr); grid-template-rows: auto auto; column-gap: 14px; align-items: start; padding: 26px 24px 28px; border: 1px solid var(--color-border); border-radius: 20px; background: linear-gradient(160deg, rgba(255,255,255,.05), rgba(255,255,255,.015)); }
.detail-feature .feature-card__icon { width: 46px; height: 46px; border-radius: 13px; }
.detail-feature h3 { grid-column: 2; color: var(--n900); margin: 2px 0 0; }
.detail-feature p { grid-column: 2; margin-top: 8px; color: var(--n500); line-height: 1.8; }
.gallery-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.gallery-grid .image-slot { min-height: 260px; }
.detail-cta { margin-top: 32px; padding: 32px; border: 1px solid rgba(34,211,238,.24); border-radius: 28px; background: var(--grad-ink-card); }
.detail-cta h2 { margin: 0 0 10px; color: var(--n900); }
.detail-cta p { color: var(--n500); }
@media (max-width: 900px) {
  .container, .hero__inner { width: min(100% - 40px, 720px); }
  .detail-hero__grid, .detail-feature-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 600px) {
  .container, .hero__inner { width: calc(100% - 32px); }
  .section { padding: 76px 0; }
  .product-grid { grid-template-columns: repeat(5, 78vw); }
  .detail-hero { padding-top: 132px; }
  .gallery-grid { grid-template-columns: 1fr; }
  .detail-cta { padding: 28px 22px; }
}

/* 27. ui-ux-pro-max 色系美化层：OLED + Aurora Glass + Accessible Contrast */
:root {
  --color-bg: #070A12;
  --color-bg-soft: #0C1220;
  --color-bg-tint: #101A2C;
  --color-border: rgba(148, 163, 184, .18);
  --color-border-strong: rgba(125, 211, 252, .34);
  --color-text: #DCE7F5;
  --color-text-2: #B8C7D9;
  --color-text-3: #8394A8;
  --color-link: #8BE9FF;
  --color-link-hover: #C6F7FF;
  --brand-300: #8BE9FF;
  --brand-400: #43D7E8;
  --brand-500: #20C9D8;
  --brand-600: #14B8A6;
  --brand-700: #0F9F93;
  --brand-800: #0D7E78;
  --ink-950: #070A12;
  --ink-900: #F4F8FC;
  --ink-800: #DCE7F5;
  --ink-700: #B8C7D9;
  --n0: #0C1220;
  --n50: #101A2C;
  --n100: #17243A;
  --n200: rgba(148, 163, 184, .18);
  --n300: rgba(148, 163, 184, .28);
  --n400: #8394A8;
  --n500: #91A5BA;
  --n600: #B8C7D9;
  --n700: #DCE7F5;
  --n800: #EAF3FB;
  --n900: #F4F8FC;
  --grad-brand: linear-gradient(135deg, #43D7E8 0%, #20C9D8 54%, #54E2B1 100%);
  --grad-brand-bright: linear-gradient(135deg, #8BE9FF 0%, #20C9D8 100%);
  --grad-ink: linear-gradient(135deg, #0D1729 0%, #111D34 52%, #08101E 100%);
  --grad-ink-card: linear-gradient(145deg, rgba(67,215,232,.16), rgba(124,58,237,.08) 48%, rgba(8,16,30,.3));
  --grad-live: linear-gradient(150deg, #102238 0%, #132A35 100%);
  --shadow-sm: 0 8px 28px rgba(0,0,0,.24);
  --shadow-md: 0 18px 54px -18px rgba(0,0,0,.72);
  --shadow-lg: 0 32px 86px -24px rgba(0,0,0,.78);
  --shadow-lift: 0 24px 64px -20px rgba(32,201,216,.25);
  --ring-focus: 0 0 0 3px #070A12, 0 0 0 6px rgba(139,233,255,.72);
}

body {
  color: var(--color-text);
  background-color: var(--color-bg);
  background-image:
    radial-gradient(ellipse 74% 48% at 48% -8%, rgba(32,201,216,.2), transparent 64%),
    radial-gradient(ellipse 48% 36% at 94% 18%, rgba(124,58,237,.14), transparent 66%),
    radial-gradient(ellipse 48% 34% at 4% 72%, rgba(16,185,129,.08), transparent 68%),
    linear-gradient(180deg, #070A12 0%, #09101C 48%, #070A12 100%);
}
body::before {
  opacity: .26;
  background-image:
    linear-gradient(rgba(139,233,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(139,233,255,.05) 1px, transparent 1px);
  background-size: 72px 72px;
}
body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: .035;
  background-image: radial-gradient(rgba(255,255,255,.9) .6px, transparent .7px);
  background-size: 5px 5px;
  mix-blend-mode: screen;
}

.nav {
  background: rgba(9, 15, 28, .62);
  border-color: rgba(139,233,255,.22);
  box-shadow: 0 12px 42px rgba(0,0,0,.38), inset 0 1px 0 rgba(255,255,255,.08);
}
.nav--scrolled { background: rgba(9, 15, 28, .9); border-color: rgba(139,233,255,.34); }
.nav__link { color: var(--color-text-2); }
.nav__link:hover, .nav__link--active { color: #F4F8FC; background: rgba(139,233,255,.1); }
.nav__login-desktop { background: #DDFBFF; color: #06212A; border-color: #DDFBFF; box-shadow: 0 0 26px rgba(67,215,232,.24); }
.nav__login-desktop:hover { background: #FFFFFF; color: #06212A; }

.hero { background: transparent; }
.hero::before { background: radial-gradient(circle, rgba(67,215,232,.2) 0%, rgba(124,58,237,.1) 38%, transparent 70%); }
.hero__title, .section-head__title, .detail-hero__title, .detail-section__head h2 { color: #F4F8FC; }
.hero__sub, .section-head__sub, .detail-hero__lead, .detail-section__head p { color: #AFC0D3; }
.hero__badge { background: rgba(67,215,232,.1); border-color: rgba(139,233,255,.38); color: #C6F7FF; }
.hero__badge .dot { background: #54E2B1; box-shadow: 0 0 14px #54E2B1; }
.chip { background: rgba(16,26,44,.68); border-color: rgba(148,163,184,.22); color: #B8C7D9; }
.chip strong { color: #C6F7FF; }

.btn--brand, .btn--primary { background: var(--grad-brand); color: #06212A; box-shadow: 0 0 34px -8px rgba(32,201,216,.68), inset 0 0 0 1px rgba(255,255,255,.42); }
.btn--brand:hover, .btn--primary:hover { color: #04171D; box-shadow: 0 0 48px -4px rgba(32,201,216,.78), inset 0 0 0 1px rgba(255,255,255,.55); }
.btn--secondary, .btn--ghost { color: #DCE7F5; border-color: rgba(139,233,255,.32); background: rgba(16,26,44,.48); }
.btn--secondary:hover, .btn--ghost:hover { color: #F4F8FC; border-color: rgba(139,233,255,.6); background: rgba(67,215,232,.1); }

.ecosystem, .full-bleed-media { background: linear-gradient(145deg, rgba(20,38,59,.78), rgba(8,16,30,.75)); border-color: rgba(139,233,255,.3); box-shadow: 0 0 70px -16px rgba(32,201,216,.34), var(--shadow-lg); }
.ecosystem__node { background: rgba(9,15,28,.9); border-color: rgba(139,233,255,.34); color: #8BE9FF; }
.ecosystem__screen { background: linear-gradient(160deg, #12273D, #182646); }
.ecosystem__display { background: linear-gradient(165deg, #152F43, #0F1B30); }
.ecosystem__line { background: #43D7E8; }
.ecosystem__line:nth-child(2) { background: #A78BFA; }

.section--tint { background: radial-gradient(ellipse 62% 46% at 86% 0%, rgba(32,201,216,.1), transparent 62%), radial-gradient(ellipse 54% 42% at 10% 100%, rgba(124,58,237,.08), transparent 65%), rgba(10,18,32,.28); border-color: rgba(139,233,255,.13); }
.product-card, .feature-card, .step, .scene-card, .detail-feature { background: linear-gradient(145deg, rgba(22,37,58,.74), rgba(10,18,32,.7)); border-color: rgba(148,163,184,.2); box-shadow: inset 0 1px 0 rgba(255,255,255,.05); }
.product-card:hover, .feature-card:hover, .step:hover, .scene-card:hover, .detail-feature:hover { border-color: rgba(139,233,255,.55); box-shadow: var(--shadow-lift), inset 0 1px 0 rgba(255,255,255,.1); }
.product-card--live .product-card__visual { background: radial-gradient(circle at 50% 25%, rgba(67,215,232,.18), transparent 54%), linear-gradient(145deg, rgba(26,64,78,.68), rgba(23,25,61,.48)); }
.product-card--planning .product-card__visual { background: radial-gradient(rgba(139,233,255,.1) 1px, transparent 1px); }
.product-card__desc, .feature-card__desc, .scene-card__desc, .step__desc { color: #AFC0D3; }
.product-card__name, .feature-card__title, .step__title, .scene-card__title { color: #F4F8FC; }
.product-card__detail, .signage-intro__eyebrow { color: #8BE9FF; }
.image-slot { border-color: rgba(139,233,255,.5); background: linear-gradient(145deg, rgba(67,215,232,.09), rgba(124,58,237,.07)); color: #AFC0D3; }
.image-slot strong, .full-bleed-media strong { color: #C6F7FF; }

.badge--live { background: rgba(84,226,177,.13); color: #69F2C2; border-color: rgba(84,226,177,.4); }
.badge--planning { background: rgba(148,163,184,.1); color: #B8C7D9; border-color: rgba(148,163,184,.26); }
.step__num, .feature-card__icon, .scene-card__icon { background: linear-gradient(145deg, rgba(67,215,232,.18), rgba(84,226,177,.08)); border-color: rgba(139,233,255,.42); color: #8BE9FF; }
.cta-bar, .detail-cta { background: radial-gradient(ellipse 80% 100% at 55% 0%, rgba(67,215,232,.18), transparent 68%), linear-gradient(145deg, #102238, #0A1323); border-color: rgba(139,233,255,.34); }
.cta-bar__title, .detail-cta h2 { color: #F4F8FC; }
.cta-bar__sub, .detail-cta p { color: #AFC0D3; }
.footer { background: rgba(3,7,14,.58); border-top-color: rgba(139,233,255,.15); }
.footer__slogan, .footer__link, .footer__contact-item, .footer__bottom { color: #91A5BA; }

.login-body { background: #070A12; }
.brand-panel { background: radial-gradient(ellipse 70% 60% at 30% 20%, rgba(67,215,232,.18), transparent 66%), var(--grad-ink); }
.form-panel { background: radial-gradient(640px 380px at 108% -6%, rgba(32,201,216,.13), transparent 62%), #0C1220; }
.login-card { background: rgba(19,34,54,.72); border-color: rgba(139,233,255,.28); box-shadow: var(--shadow-lg), inset 0 1px 0 rgba(255,255,255,.07); }
.login-card__title { color: #F4F8FC; }
.login-card__sub, .login-card__note, .register-row, .security { color: #AFC0D3; }
.tablist { background: rgba(7,10,18,.42); border-color: rgba(148,163,184,.2); }
.tab { color: #91A5BA; }
.tab[aria-selected="true"] { background: rgba(67,215,232,.13); color: #C6F7FF; }
.field__label { color: #DCE7F5; }
.field__input { background: rgba(7,10,18,.42); border-color: rgba(148,163,184,.28); color: #F4F8FC; }
.field__input::placeholder { color: #8394A8; }
.field__input:focus { border-color: #8BE9FF; box-shadow: 0 0 0 4px rgba(67,215,232,.14); }
.code-btn { background: rgba(67,215,232,.13); color: #8BE9FF; }
.checkbox { color: #AFC0D3; }
.form-divider { border-color: rgba(148,163,184,.2); }

:focus-visible { outline: none; box-shadow: var(--ring-focus) !important; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}

/* 28. 模板化扩展层：菜单下拉 / 面包屑 / 统计条 / 案例 / 新闻 / 时间轴 / 联系 / 手风琴 */
/* --- 28.1 导航下拉菜单（产品矩阵） --- */
.nav__item--dropdown { position: relative; }
.nav__dropdown {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  transform: translate(-50%, 6px);
  min-width: 250px;
  padding: 8px;
  border: 1px solid rgba(139,233,255,.24);
  border-radius: 14px;
  background: rgba(9,15,28,.96);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transition: opacity .22s var(--ease-out), transform .22s var(--ease-out), visibility .22s;
  z-index: 60;
}
.nav__item--dropdown:hover .nav__dropdown,
.nav__item--dropdown:focus-within .nav__dropdown { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.nav__dropdown::before { content: ''; position: absolute; top: -10px; left: 0; right: 0; height: 12px; }
.nav__dropdown a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 10px;
  color: var(--color-text-2);
  font-size: 14px;
  transition: background .18s, color .18s;
}
.nav__dropdown a:hover { color: #F4F8FC; background: rgba(67,215,232,.1); }
.nav__dropdown .dd-name { flex: 1; }
.nav__dropdown .dd-status { font-size: 11px; color: #69F2C2; }
.nav__dropdown .dd-status--plan { color: var(--n500); }

/* --- 28.2 面包屑页头（内页通用，与模板 breadcrumbs 一致） --- */
.page-hero {
  position: relative;
  padding: clamp(118px, 12vw, 150px) 0 clamp(44px, 5vw, 64px);
  text-align: center;
  overflow: hidden;
  border-bottom: 1px solid rgba(139,233,255,.12);
  background:
    radial-gradient(ellipse 60% 90% at 50% -20%, rgba(67,215,232,.2), transparent 62%),
    radial-gradient(ellipse 40% 50% at 88% 0%, rgba(124,58,237,.14), transparent 65%),
    linear-gradient(180deg, #0A1322 0%, #070A12 100%);
}
.page-hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px;
  margin-bottom: 20px;
  border: 1px solid rgba(139,233,255,.36);
  border-radius: 999px;
  background: rgba(67,215,232,.09);
  color: #C6F7FF;
  font-size: 13px;
  letter-spacing: .08em;
}
.page-hero__title { margin: 0 0 16px; color: #F4F8FC; font-size: clamp(34px, 5vw, 60px); line-height: 1.12; letter-spacing: -.01em; }
.page-hero__title em { font-style: normal; background: linear-gradient(120deg, #8BE9FF, #54E2B1); -webkit-background-clip: text; background-clip: text; color: transparent; }
.page-hero__sub { max-width: 720px; margin: 0 auto; color: #AFC0D3; font-size: clamp(15px, 1.4vw, 17px); line-height: 1.9; }
.crumbs { display: flex; justify-content: center; gap: 10px; margin-top: 26px; color: var(--n500); font-size: 13px; }
.crumbs a { color: var(--n500); transition: color .18s; }
.crumbs a:hover { color: #8BE9FF; }
.crumbs .sep { opacity: .55; }
.crumbs .cur { color: #C6F7FF; }

/* --- 28.3 数据统计条 --- */
.stats-band { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.stat-card {
  padding: 30px 26px;
  text-align: center;
  border: 1px solid rgba(148,163,184,.2);
  border-radius: 20px;
  background: linear-gradient(145deg, rgba(22,37,58,.74), rgba(10,18,32,.7));
  transition: border-color .25s, box-shadow .25s;
}
.stat-card:hover { border-color: rgba(139,233,255,.5); box-shadow: var(--shadow-lift); }
.stat-card__num { display: block; color: #F4F8FC; font-family: 'Space Grotesk', var(--font-sans); font-size: clamp(30px, 3.4vw, 44px); font-weight: 700; }
.stat-card__num strong { color: #8BE9FF; }
.stat-card__label { display: block; margin-top: 8px; color: #AFC0D3; font-size: 14px; }

/* --- 28.4 筛选标签（案例/新闻分类） --- */
.filter-tabs { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-bottom: 44px; }
.filter-btn {
  padding: 9px 22px;
  border: 1px solid rgba(148,163,184,.24);
  border-radius: 999px;
  background: rgba(16,26,44,.55);
  color: #B8C7D9;
  font-size: 14px;
  cursor: pointer;
  transition: all .2s var(--ease-out);
}
.filter-btn:hover { color: #F4F8FC; border-color: rgba(139,233,255,.45); }
.filter-btn.is-active { color: #06212A; background: var(--grad-brand); border-color: transparent; box-shadow: 0 0 24px -6px rgba(32,201,216,.6); }

/* --- 28.5 案例卡片 --- */
.case-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.case-card { overflow: hidden; border: 1px solid rgba(148,163,184,.2); border-radius: 20px; background: linear-gradient(145deg, rgba(22,37,58,.74), rgba(10,18,32,.7)); transition: border-color .25s, box-shadow .25s, transform .25s; }
.case-card:hover { border-color: rgba(139,233,255,.55); box-shadow: var(--shadow-lift); transform: translateY(-4px); }
.case-card.is-hidden { display: none; }
.case-card__media { position: relative; min-height: 210px; display: grid; place-items: center; border-bottom: 1px solid rgba(148,163,184,.16); background: linear-gradient(145deg, rgba(67,215,232,.1), rgba(124,58,237,.08)); color: #AFC0D3; }
.case-card__media .tag-corner { position: absolute; top: 14px; left: 14px; padding: 5px 12px; border-radius: 999px; background: rgba(7,10,18,.7); border: 1px solid rgba(139,233,255,.4); color: #C6F7FF; font-size: 12px; }
.case-card__media .img-num { color: #C6F7FF; font-size: clamp(18px, 2vw, 26px); letter-spacing: .06em; }
.case-card__body { padding: 22px 24px 26px; }
.case-card__title { margin: 0 0 10px; color: #F4F8FC; font-size: 18px; }
.case-card__desc { margin: 0 0 14px; color: #AFC0D3; font-size: 14px; line-height: 1.8; }
.case-card__tags { display: flex; flex-wrap: wrap; gap: 8px; }
.case-tag { padding: 4px 12px; border: 1px solid rgba(148,163,184,.26); border-radius: 999px; color: #B8C7D9; font-size: 12px; }

/* --- 28.6 新闻/动态卡片 --- */
.news-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.news-card { display: flex; flex-direction: column; overflow: hidden; border: 1px solid rgba(148,163,184,.2); border-radius: 20px; background: linear-gradient(145deg, rgba(22,37,58,.74), rgba(10,18,32,.7)); transition: border-color .25s, box-shadow .25s, transform .25s; }
.news-card:hover { border-color: rgba(139,233,255,.55); box-shadow: var(--shadow-lift); transform: translateY(-4px); }
.news-card__media { min-height: 190px; display: grid; place-items: center; border-bottom: 1px solid rgba(148,163,184,.16); background: linear-gradient(145deg, rgba(67,215,232,.1), rgba(124,58,237,.08)); color: #C6F7FF; letter-spacing: .06em; }
.news-card__body { flex: 1; display: flex; flex-direction: column; padding: 22px 24px 26px; }
.news-card__meta { display: flex; gap: 14px; margin-bottom: 12px; color: var(--n500); font-size: 12.5px; }
.news-card__title { margin: 0 0 10px; color: #F4F8FC; font-size: 17px; line-height: 1.5; }
.news-card__desc { flex: 1; margin: 0 0 16px; color: #AFC0D3; font-size: 14px; line-height: 1.8; }
.news-card__more { display: inline-flex; align-items: center; gap: 6px; color: #8BE9FF; font-size: 13.5px; }
.news-card__more:hover { color: #C6F7FF; }

/* --- 28.7 服务流程（横向步骤，模板 generated 风格） --- */
.svc-flow { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; counter-reset: svc; }
.svc-step { position: relative; display: grid; grid-template-columns: auto minmax(0, 1fr); grid-template-rows: auto auto; column-gap: 14px; align-items: start; padding: 24px 22px 26px; border: 1px solid rgba(148,163,184,.2); border-radius: 20px; background: linear-gradient(145deg, rgba(22,37,58,.74), rgba(10,18,32,.7)); }
.svc-step::before { grid-row: 1 / span 2; grid-column: 1; counter-increment: svc; content: '0' counter(svc); display: block; margin: 0; background: linear-gradient(120deg, #8BE9FF, #54E2B1); -webkit-background-clip: text; background-clip: text; color: transparent; font-family: 'Space Grotesk', var(--font-sans); font-size: 24px; line-height: 1.25; font-weight: 700; }
.svc-step__title { grid-column: 2; margin: 2px 0 0; color: #F4F8FC; font-size: 17px; }
.svc-step__desc { grid-column: 2; margin: 7px 0 0; color: #AFC0D3; font-size: 14px; line-height: 1.8; }

/* --- 28.8 发展历程时间轴 --- */
.timeline { position: relative; max-width: 860px; margin: 0 auto; padding-left: 26px; }
.timeline::before { content: ''; position: absolute; left: 5px; top: 6px; bottom: 6px; width: 2px; background: linear-gradient(180deg, rgba(139,233,255,.5), rgba(84,226,177,.25)); }
.timeline__item { position: relative; padding: 0 0 34px 22px; }
.timeline__item:last-child { padding-bottom: 0; }
.timeline__item::before { content: ''; position: absolute; left: -27px; top: 5px; width: 12px; height: 12px; border-radius: 50%; background: #0C1220; border: 2px solid #43D7E8; box-shadow: 0 0 12px rgba(67,215,232,.7); }
.timeline__year { color: #8BE9FF; font-family: 'Space Grotesk', var(--font-sans); font-size: 15px; letter-spacing: .04em; }
.timeline__title { margin: 6px 0 8px; color: #F4F8FC; font-size: 17px; }
.timeline__desc { margin: 0; color: #AFC0D3; font-size: 14px; line-height: 1.85; }

/* --- 28.9 联系页 --- */
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 22px; align-items: start; }
.contact-info-card { padding: 30px; border: 1px solid rgba(148,163,184,.2); border-radius: 22px; background: linear-gradient(145deg, rgba(22,37,58,.74), rgba(10,18,32,.7)); }
.contact-info-card h3 { margin: 0 0 8px; color: #F4F8FC; font-size: 20px; }
.contact-info-card .hint { margin: 0 0 22px; color: var(--n500); font-size: 13.5px; }
.contact-line { display: flex; gap: 14px; padding: 15px 0; border-top: 1px solid rgba(148,163,184,.14); color: #DCE7F5; font-size: 14.5px; }
.contact-line svg { flex: none; margin-top: 2px; color: #8BE9FF; }
.contact-form { padding: 30px; border: 1px solid rgba(139,233,255,.24); border-radius: 22px; background: linear-gradient(145deg, rgba(22,37,58,.6), rgba(10,18,32,.75)); }
.contact-form h3 { margin: 0 0 6px; color: #F4F8FC; font-size: 20px; }
.contact-form .hint { margin: 0 0 22px; color: var(--n500); font-size: 13.5px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-field { display: flex; flex-direction: column; gap: 8px; margin-bottom: 16px; }
.form-field label { color: #DCE7F5; font-size: 13.5px; }
.form-field input, .form-field select, .form-field textarea {
  width: 100%;
  padding: 13px 16px;
  border: 1px solid rgba(148,163,184,.28);
  border-radius: 12px;
  background: rgba(7,10,18,.42);
  color: #F4F8FC;
  font-size: 14.5px;
  transition: border-color .2s, box-shadow .2s;
}
.form-field textarea { min-height: 120px; resize: vertical; }
.form-field input::placeholder, .form-field textarea::placeholder { color: #8394A8; }
.form-field input:focus, .form-field select:focus, .form-field textarea:focus { border-color: #8BE9FF; box-shadow: 0 0 0 4px rgba(67,215,232,.14); outline: none; }
.map-slot { margin-top: 22px; min-height: 300px; display: grid; place-items: center; border: 1px dashed rgba(139,233,255,.5); border-radius: 20px; background: linear-gradient(145deg, rgba(67,215,232,.06), rgba(124,58,237,.06)); color: #AFC0D3; letter-spacing: .1em; }

/* --- 28.10 FAQ 手风琴（原生 details，无依赖） --- */
.acc { display: grid; gap: 14px; }
.acc-item { border: 1px solid rgba(148,163,184,.2); border-radius: 16px; background: linear-gradient(145deg, rgba(22,37,58,.6), rgba(10,18,32,.65)); overflow: hidden; transition: border-color .22s; }
.acc-item[open] { border-color: rgba(139,233,255,.5); }
.acc-q { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 19px 22px; color: #F4F8FC; font-size: 15.5px; cursor: pointer; list-style: none; }
.acc-q::-webkit-details-marker { display: none; }
.acc-q::after { content: '+'; flex: none; color: #8BE9FF; font-size: 22px; line-height: 1; transition: transform .22s; }
.acc-item[open] .acc-q::after { transform: rotate(45deg); }
.acc-a { padding: 0 22px 20px; color: #AFC0D3; font-size: 14.5px; line-height: 1.9; }

/* --- 28.11 图片占位通用（含编号，便于后续替换） --- */
.img-slot { position: relative; min-height: 180px; display: grid; place-items: center; gap: 6px; text-align: center; padding: 20px; border: 1px dashed rgba(139,233,255,.45); border-radius: 16px; background: linear-gradient(145deg, rgba(67,215,232,.08), rgba(124,58,237,.06)); color: #AFC0D3; font-size: 13.5px; }
.img-slot::before { content: attr(data-slot); color: #C6F7FF; font-family: 'Space Grotesk', var(--font-sans); font-size: 17px; letter-spacing: .08em; }
.img-slot--wide { min-height: 300px; border-radius: 20px; }

/* --- 28.12 响应式 --- */
@media (max-width: 1080px) {
  .case-grid, .news-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .svc-flow { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stats-band { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .contact-grid { grid-template-columns: 1fr; }
  .nav__dropdown { display: none; }
}
@media (max-width: 640px) {
  .case-grid, .news-grid, .svc-flow { grid-template-columns: 1fr; }
  .stats-band { grid-template-columns: repeat(2, 1fr); }
  .form-row { grid-template-columns: 1fr; }
  .page-hero { padding-top: 120px; }
}

/* 29. 首页产品专区 Tab 切换 */
.showcase-tabs { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-bottom: 28px; }
.showcase-tabs .filter-btn { display: inline-flex; align-items: center; }
.tab-status { margin-left: 8px; font-style: normal; font-size: 11px; color: var(--n500); }
.filter-btn.is-active .tab-status { color: #06212A; opacity: .75; }
.showcase-panel[hidden] { display: none; }
.showcase-panel { animation: panelIn .32s var(--ease-out); }
@keyframes panelIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
.showcase-status { margin: 0 0 20px; text-align: center; }
.plan-panel {
  max-width: 760px;
  margin: 0 auto;
  padding: 44px 36px;
  text-align: center;
  border: 1px solid rgba(148,163,184,.2);
  border-radius: 22px;
  background: linear-gradient(145deg, rgba(22,37,58,.74), rgba(10,18,32,.7));
  box-shadow: inset 0 1px 0 rgba(255,255,255,.05);
}
.plan-panel h3 { margin: 16px 0 12px; color: #F4F8FC; font-size: clamp(24px, 3vw, 32px); }
.plan-panel__desc { margin: 0; color: #AFC0D3; font-size: 15px; line-height: 1.9; }
.plan-panel__note { margin: 14px 0 24px; color: var(--n500); font-size: 13px; letter-spacing: .04em; }
.plan-panel .img-slot { min-height: 220px; margin-bottom: 26px; }
@media (prefers-reduced-motion: reduce) {
  .showcase-panel { animation: none; }
}
@media (max-width: 640px) {
  .plan-panel { padding: 30px 20px; }
}

/* 30. 页脚公司信息 */
.footer__company { margin: 10px 0 0; color: var(--n500); font-size: 13px; letter-spacing: .02em; }

/* ============================================================
   31. 体验优化层：量化指标 / 产品卡差异化 / 网格响应式 / 返回顶部
   ============================================================ */

/* 31.1 屏幕阅读器专用标题 */
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* 31.2 五项量化指标 */
.stats-band--5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.stats-note { margin: 14px 0 0; color: var(--n500); font-size: 12px; text-align: center; letter-spacing: .03em; }

/* 31.3 产品卡视觉差异化：已上线亮色突出 / 规划中虚线弱化 */
.product-card--live {
  border-color: rgba(139,233,255,.5);
  background:
    radial-gradient(circle at 50% 0%, rgba(67,215,232,.16), transparent 58%),
    linear-gradient(160deg, rgba(22,37,58,.85), rgba(10,18,32,.75));
  box-shadow: 0 0 0 1px rgba(139,233,255,.12), 0 18px 48px -20px rgba(67,215,232,.28);
}
.product-card--live:hover {
  border-color: rgba(139,233,255,.85);
  box-shadow: 0 0 0 1px rgba(139,233,255,.2), 0 26px 64px -20px rgba(67,215,232,.38);
}
.product-card--planning {
  border-style: dashed;
  border-color: rgba(148,163,184,.3);
  background: linear-gradient(160deg, rgba(255,255,255,.025), rgba(255,255,255,.005));
}
.product-card--planning:hover {
  border-color: rgba(148,163,184,.45);
  box-shadow: none;
}
.product-card--planning .product-card__visual-ico { opacity: .55; }
.product-card--planning .product-card__hint { color: var(--n500); }

/* 31.4 产品矩阵网格：桌面 5 列 / 窄桌面 3 列 / 平板 2 列 / 手机 1 列（取消横向滚动） */
.product-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
  overflow-x: visible;
  scroll-snap-type: none;
}
.product-card { min-width: 0; scroll-snap-align: none; }
@media (max-width: 1279px) {
  .product-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 1080px) {
  .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
  .product-grid { grid-template-columns: minmax(0, 1fr); }
  .stats-band--5 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* 31.5 返回顶部 */
.back-top {
  position: fixed;
  right: 22px;
  bottom: 26px;
  z-index: 80;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(139,233,255,.4);
  border-radius: 12px;
  color: #8BE9FF;
  background: rgba(10,18,32,.78);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  box-shadow: 0 10px 30px -10px rgba(0,0,0,.6);
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity .25s var(--ease-out), transform .25s var(--ease-out), border-color .2s;
}
.back-top.is-visible { opacity: 1; transform: none; pointer-events: auto; }
.back-top:hover { border-color: rgba(139,233,255,.8); color: #C4F4FF; }
.back-top:focus-visible { outline: 2px solid #8BE9FF; outline-offset: 2px; }
@media (prefers-reduced-motion: reduce) {
  .back-top { transition: none; }
}

/* 31.6 详情页真实图片（占位编号角标保留，便于素材对照） */
.full-bleed-media--img { padding: 0; overflow: hidden; }
.full-bleed-media--img img {
  grid-area: 1 / 1;
  width: 100%;
  height: 100%;
  min-height: inherit;
  object-fit: cover;
  display: block;
}
.full-bleed-media--img .media-num {
  grid-area: 1 / 1;
  justify-self: end;
  align-self: start;
  margin: 14px 14px 0 0;
  padding: 5px 12px;
  border-radius: 999px;
  background: rgba(7, 10, 18, .7);
  border: 1px solid rgba(139, 233, 255, .4);
  color: #C6F7FF;
  font-size: 12px;
  letter-spacing: .05em;
}

/* ============================================================
   32. 文章详情页排版
   ============================================================ */
.article-wrap {
  max-width: 860px;
  padding: 34px 34px 40px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: #fff;
  box-shadow: var(--shadow-sm);
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  color: var(--color-text-3);
  font-size: 13px;
}
.article-meta__cat {
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--color-bg-tint);
  color: var(--brand-700);
  font-weight: 600;
}
.article-cover {
  margin-top: 22px;
  display: grid;
  place-items: center;
  min-height: 300px;
  border: 1px dashed rgba(15, 118, 110, .35);
  border-radius: var(--radius-lg);
  background: var(--color-bg-tint);
  color: var(--brand-700);
  letter-spacing: .08em;
}
.article-body { margin-top: 30px; }
.article-body h2 {
  position: relative;
  margin: 30px 0 12px;
  padding-left: 14px;
  font-size: 20px;
  color: var(--ink-900);
}
.article-body h2::before {
  content: '';
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 4px;
  border-radius: 2px;
  background: var(--grad-brand);
}
.article-body p {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.95;
  color: var(--color-text-2);
}
.article-note { margin-top: 26px; color: var(--color-text-3); font-size: 12.5px; }
.article-nav {
  margin-top: 34px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.article-nav__item {
  display: grid;
  gap: 6px;
  padding: 16px 18px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color var(--dur-base), box-shadow var(--dur-base);
}
.article-nav__item span { color: var(--color-text-3); font-size: 12px; }
.article-nav__item strong { color: var(--ink-900); font-size: 14px; line-height: 1.5; }
.article-nav__item:hover { border-color: rgba(15, 118, 110, .3); box-shadow: var(--shadow-sm); }
.article-nav__item--next { text-align: right; }
.article-back { margin-top: 24px; text-align: center; }
@media (max-width: 640px) {
  .article-wrap { padding: 24px 20px 28px; }
  .article-nav { grid-template-columns: 1fr; }
  .article-nav__item--next { text-align: left; }
}
@media (prefers-reduced-motion: reduce) {
  .article-cover, .article-nav__item { transition: none; }
}

/* ============================================================
   33. 酒店管理系统产品页（迁移自旧站模块）
   ------------------------------------------------------------
   33.0 酒店管理系统色彩规范（.hotel-page 作用域）
   主色沿用全站品牌青；功能色遵循 PMS 行业房态色标准
   ============================================================ */
.hotel-page {
  /* 房态状态功能色（行业标准 PMS 房态色） */
  --pms-occupied: #10B981;   /* 在住 */
  --pms-booked: #3B82F6;     /* 预订 */
  --pms-clean: #14B8A6;      /* 空净 */
  --pms-dirty: #F59E0B;      /* 空脏 */
  --pms-repair: #EF4444;     /* 维修 */
  --pms-offline: #94A3B8;    /* 停用 */
  /* 警示与成功色 */
  --hotel-warning: #F59E0B;
  --hotel-success: #10B981;
  /* 中性色阶（配合全站 tokens 的 --ink-900 / --color-text-2/3 使用） */
  --hotel-neutral-1: #1E293B;
  --hotel-neutral-2: #64748B;
  --hotel-neutral-3: #E2E8F0;
}

/* 33.1 页内模块导航（吸顶） */
.hotel-subnav {
  position: sticky;
  top: 78px;
  z-index: 40;
  background: rgba(255, 255, 255, .92);
  -webkit-backdrop-filter: blur(12px) saturate(140%);
  backdrop-filter: blur(12px) saturate(140%);
  border-block: 1px solid var(--color-border);
}
.hotel-subnav__inner {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px;
  padding: 10px 0;
}
.hotel-subnav__link {
  padding: 8px 16px;
  border-radius: 999px;
  color: var(--color-text-2);
  font-size: 14px;
  font-weight: 600;
  transition: color var(--dur-base), background var(--dur-base);
}
.hotel-subnav__link:hover { color: var(--ink-900); background: var(--color-bg-tint); }
.hotel-subnav__link.is-active {
  color: #fff;
  background: var(--grad-brand);
  box-shadow: 0 0 20px -8px rgba(15, 118, 110, .55);
}
.hotel-subnav__cta { margin-left: auto; }

/* 33.2 业务域分层（前台运营 / 收益管理 / 安全保障） */
.hotel-domain {
  max-width: 1080px;
  margin: 0 auto;
  display: grid;
  gap: clamp(20px, 3vw, 32px);
}
.hotel-domain__head {
  display: flex;
  align-items: flex-start;
  gap: 18px;
}
.hotel-domain__no {
  font-family: 'Space Grotesk', var(--font-sans);
  font-size: 44px;
  font-weight: 800;
  line-height: 1;
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hotel-domain__title { font-size: clamp(22px, 2.6vw, 30px); color: var(--ink-900); }
.hotel-domain__sub { margin-top: 8px; color: var(--color-text-2); line-height: 1.85; }
.hotel-domain__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}
.hotel-func {
  display: grid;
  gap: 10px;
  padding: 24px 26px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: #fff;
  transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
}
.hotel-func:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.hotel-func__icon {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 12px;
  color: #fff;
  background: var(--fc, var(--pms-clean));
  box-shadow: 0 8px 20px -8px var(--fc, var(--pms-clean));
}
.hotel-func h3 { font-size: 17px; color: var(--hotel-neutral-1); }
.hotel-func p { color: var(--color-text-2); font-size: 14.5px; line-height: 1.85; }
.hotel-domain__media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}
.hotel-domain__media img { width: 100%; display: block; }
.hotel-domain__media .media-num {
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(7, 10, 18, .7);
  border: 1px solid rgba(139, 233, 255, .4);
  color: #C6F7FF;
  font-size: 12px;
}
.hotel-domain__next {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border: 1px dashed rgba(15, 118, 110, .35);
  border-radius: 999px;
  color: var(--brand-700);
  font-weight: 600;
  font-size: 14px;
  transition: background var(--dur-base), border-color var(--dur-base);
}
.hotel-domain__next:hover { background: var(--color-bg-tint); border-color: rgba(15, 118, 110, .6); }

/* 33.3 房态状态色规范条 */
.hotel-roomkeys {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 20px;
  padding: 14px 20px;
  border-radius: var(--radius-lg);
  background: var(--color-bg-tint);
  border: 1px solid var(--color-border);
}
.hotel-roomkeys__label { font-weight: 700; font-size: 13.5px; color: var(--hotel-neutral-1); }
.hotel-roomkeys__list { display: flex; flex-wrap: wrap; gap: 8px 18px; }
.hotel-roomkey {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  color: var(--color-text-2);
}
.hotel-roomkey i {
  width: 14px;
  height: 14px;
  border-radius: 4px;
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, .08);
}

/* 33.4 价格方案 */
.hotel-price-tabs {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 32px;
}
.hotel-ptab {
  min-width: 120px;
  padding: 10px 24px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: #fff;
  color: var(--color-text-2);
  font-size: 15px;
  font-weight: 700;
  transition: all var(--dur-base) var(--ease-out);
}
.hotel-ptab.is-active {
  background: var(--grad-brand);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 0 24px -8px rgba(15, 118, 110, .5);
}
.hotel-price-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  animation: hotelPanelIn var(--dur-slow) var(--ease-out);
}
.hotel-price-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: #fff;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
}
.hotel-price-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.hotel-price-card__head {
  padding: 20px 24px;
  background: var(--color-bg-tint);
  border-bottom: 1px solid var(--color-border);
}
.hotel-price-card__head p { color: var(--brand-700); font-size: 13px; font-weight: 700; letter-spacing: .04em; }
.hotel-price-card__head h3 { color: var(--ink-900); font-size: 16px; margin-top: 4px; }
.hotel-price-card__body { padding: 24px; }
.hotel-price-card__body h4 { font-size: 34px; font-weight: 800; color: var(--ink-900); }
.hotel-price-card__body h4 span { font-size: 14px; font-weight: 500; color: var(--color-text-3); }
.hotel-price-card__body .btn { display: inline-flex; margin: 16px 0 18px; }
.hotel-price-card__body ul { display: grid; gap: 10px; }
.hotel-price-card__body li {
  position: relative;
  padding-left: 26px;
  color: var(--color-text-2);
  font-size: 14px;
}
.hotel-price-card__body li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 4px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--success-bg) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none'%3E%3Cpath d='M4 8.5l2.6 2.5L12 5.5' stroke='%230F766E' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/10px no-repeat;
}
.hotel-price-note { margin-top: 22px; text-align: center; color: var(--color-text-3); font-size: 12.5px; }

/* 33.5 适用痛点（迁移自旧站 Growing Faster 模块） */
.hotel-pain {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
  padding: clamp(28px, 4.5vw, 56px);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(ellipse 60% 80% at 12% 0%, rgba(67, 215, 232, .14), transparent 60%),
    #fff;
  border: 1px solid var(--color-border);
}
.hotel-pain__text h2 {
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.35;
  color: var(--ink-900);
  margin-bottom: 14px;
}
.hotel-pain__text p { color: var(--color-text-2); margin-bottom: 24px; }
.hotel-pain__img {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
}
.hotel-pain__img img { width: 100%; display: block; }
.hotel-pain__img .media-num {
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(7, 10, 18, .7);
  border: 1px solid rgba(139, 233, 255, .4);
  color: #C6F7FF;
  font-size: 12px;
}

@keyframes hotelPanelIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
@media (max-width: 1024px) {
  .hotel-domain__grid, .hotel-pain { grid-template-columns: minmax(0, 1fr); }
  .hotel-price-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
  .hotel-price-grid { grid-template-columns: minmax(0, 1fr); }
  .hotel-subnav__link { padding: 7px 12px; font-size: 13px; }
  .hotel-subnav__cta { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  .hotel-price-grid { animation: none; }
  .hotel-subnav__link, .hotel-ptab, .hotel-price-card, .hotel-func, .hotel-domain__next { transition: none; }
}

/* 33.1 首页产品专区·酒店已上线面板 */
.hotel-show {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
  text-align: left;
  padding: clamp(28px, 4.5vw, 56px);
  border: 1px solid rgba(139, 233, 255, .22);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(ellipse 60% 80% at 88% 0%, rgba(67, 215, 232, .14), transparent 62%),
    linear-gradient(160deg, rgba(255, 255, 255, .05), rgba(255, 255, 255, .015));
}
.hotel-show__copy .badge { margin-bottom: 14px; }
.hotel-show__copy h3 { font-size: clamp(22px, 2.6vw, 30px); color: var(--n900); margin-bottom: 14px; }
.hotel-show__copy p { color: var(--n500); line-height: 1.95; margin-bottom: 26px; }
.hotel-show__media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(139, 233, 255, .25);
  box-shadow: var(--shadow-md);
}
.hotel-show__media img { width: 100%; display: block; }
.hotel-show__media .media-num {
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(7, 10, 18, .7);
  border: 1px solid rgba(139, 233, 255, .4);
  color: #C6F7FF;
  font-size: 12px;
}
@media (max-width: 1024px) {
  .hotel-show { grid-template-columns: minmax(0, 1fr); }
}