:root {
  --bg: #06101d;
  --bg-soft: #0b1728;
  --panel: rgba(10, 20, 36, 0.82);
  --panel-strong: rgba(7, 16, 29, 0.96);
  --line: rgba(130, 170, 255, 0.16);
  --line-strong: rgba(130, 170, 255, 0.32);
  --text: #f4f8ff;
  --muted: #91a3bf;
  --blue: #1677ff;
  --blue-strong: #0f5fe0;
  --blue-soft: #6ab8ff;
  --glow: rgba(22, 119, 255, 0.24);
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.34);
  --radius-xl: 32px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --container: 1360px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background:
    radial-gradient(circle at 0% 0%, rgba(56, 123, 255, 0.2), transparent 28%),
    radial-gradient(circle at 100% 0%, rgba(44, 140, 255, 0.12), transparent 24%),
    linear-gradient(180deg, #07111f 0%, #040b15 56%, #03070f 100%);
}

a {
  color: inherit;
}

.page-shell {
  position: relative;
  overflow: hidden;
}

.page-shell::before,
.page-shell::after {
  content: "";
  position: absolute;
  border-radius: 999px;
  filter: blur(110px);
  pointer-events: none;
  z-index: 0;
}

.page-shell::before {
  top: 80px;
  left: -180px;
  width: 620px;
  height: 620px;
  background: rgba(22, 119, 255, 0.2);
}

.page-shell::after {
  top: 420px;
  right: -220px;
  width: 660px;
  height: 660px;
  background: rgba(40, 130, 255, 0.12);
}

.site-header {
  padding-bottom: 8px;
}

.site-header,
.section,
.site-footer {
  position: relative;
  z-index: 1;
  width: min(calc(100% - 56px), var(--container));
  margin: 0 auto;
}

.top-nav {
  margin-top: 10px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 16px;
  padding: 18px 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  backdrop-filter: none;
  box-shadow: none;
}

.nav-sheet {
  display: contents;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  text-decoration: none;
  transition: opacity 0.2s ease;
}

.brand:hover {
  opacity: 1;
}

.brand[aria-current="page"] .brand-mark {
  border-color: rgba(106, 184, 255, 0.38);
  box-shadow:
    0 16px 32px rgba(4, 12, 24, 0.34),
    inset 0 0 0 1px rgba(130, 170, 255, 0.08);
}

.brand[aria-current="page"] .brand-text strong {
  color: #ffffff;
}

.brand-mark {
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(130, 170, 255, 0.24);
  border-radius: 11px;
  background: rgba(16, 28, 48, 0.88);
  box-shadow: 0 10px 20px rgba(4, 12, 24, 0.28);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
  overflow: hidden;
}

.brand-mark img {
  width: 34px;
  height: 34px;
  display: block;
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.brand-text strong {
  font-size: 17px;
  font-weight: 650;
  letter-spacing: 0.03em;
}

.brand-text span {
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  min-height: 42px;
  padding: 10px 14px;
  border: 1px solid rgba(106, 184, 255, 0.14);
  border-radius: 14px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.04),
    0 12px 24px rgba(4, 12, 24, 0.18);
  cursor: pointer;
  transition: border-color 0.24s ease, background 0.24s ease, box-shadow 0.24s ease, transform 0.24s ease;
}

.nav-toggle:hover {
  border-color: rgba(106, 184, 255, 0.22);
  background: rgba(255, 255, 255, 0.06);
}

.nav-toggle-icon {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 16px;
  height: 14px;
}

.nav-toggle-icon span {
  display: block;
  width: 16px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
  transform-origin: center;
  transition: transform 0.24s ease, opacity 0.24s ease, width 0.24s ease;
}

.nav-toggle-label {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.top-nav.is-open .nav-toggle {
  border-color: rgba(106, 184, 255, 0.24);
  background: rgba(22, 119, 255, 0.08);
}

.top-nav.is-open .nav-toggle-icon span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.top-nav.is-open .nav-toggle-icon span:nth-child(2) {
  opacity: 0;
}

.top-nav.is-open .nav-toggle-icon span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.nav-links a {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 8px 12px;
  border-radius: 12px;
  border: 1px solid transparent;
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.2s ease, opacity 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.nav-links a:hover {
  color: var(--text);
  opacity: 1;
  background: rgba(255, 255, 255, 0.02);
}

.nav-links a.is-active {
  color: var(--text);
  border-color: rgba(106, 184, 255, 0.14);
  background: rgba(255, 255, 255, 0.04);
}

.nav-links a.is-active::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 6px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(22, 119, 255, 0.16), rgba(106, 184, 255, 0.92));
}

.nav-cta {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 14px;
}

.nav-cta-link {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  transition: color 0.2s ease, opacity 0.2s ease, background 0.2s ease;
}

.nav-cta-link:hover {
  color: var(--text);
  opacity: 1;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 18px;
  border-radius: 12px;
  border: 1px solid transparent;
  font-weight: 500;
  font-size: 14px;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease,
    background 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  color: #ffffff;
  border: 1px solid rgba(89, 152, 255, 0.32);
  background: #166ff6;
  box-shadow: 0 12px 28px rgba(15, 95, 224, 0.24);
}

.btn-secondary {
  color: var(--text);
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.03);
}

.btn-ghost {
  color: var(--muted);
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.02);
}

.btn-nav {
  min-width: 108px;
  padding-inline: 16px;
}

.hero {
  position: relative;
  min-height: min(calc(100vh - 96px), 820px);
  /* 注：.hero 的 padding 在下方 .section 之后单独声明，
     否则会被通用 .section { padding: 30px 0 100px } 覆盖 */
}

.hero-stage {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(620px, 0.86fr);
  gap: 36px;
  align-items: start;
  z-index: 1;
}

.hero-copy {
  position: relative;
  align-self: stretch;
  display: flex;
  flex-direction: column;
  padding: 2px 0 8px;
  overflow: hidden;
}

.hero-copy-main {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
}

.hero-copy-icon-row {
  position: relative;
  z-index: 1;
  min-height: 88px;
  margin-top: 28px;
}

.hero-copy-icon-group {
  position: absolute;
  inset: 0 auto 0 0;
  display: flex;
  align-items: center;
  gap: 18px;
  opacity: 0;
  transform: translateX(18px);
  transition: opacity 0.32s ease, transform 0.32s ease;
  pointer-events: none;
}

.hero-copy-icon-group.is-active {
  opacity: 1;
  transform: translateX(0);
}

.hero-copy-icon-group span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 82px;
  height: 82px;
  border: 1px solid rgba(130, 170, 255, 0.14);
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(13, 25, 44, 0.9) 0%, rgba(8, 18, 33, 0.68) 100%);
  box-shadow:
    inset 0 0 0 1px rgba(130, 170, 255, 0.05),
    0 16px 34px rgba(5, 12, 24, 0.16);
}

.hero-copy-icon-group i {
  font-size: 32px;
  color: rgba(106, 184, 255, 0.92);
}

.hero-copy-actions-shell {
  position: relative;
  z-index: 1;
  margin-top: auto;
  padding-top: 28px;
}

.hero-copy-bg-icons {
  position: absolute;
  inset: 10px 24px 18px 4px;
  pointer-events: none;
}

.hero-copy-bg-icon {
  position: absolute;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: rgba(106, 184, 255, 0.11);
  text-shadow: 0 0 24px rgba(22, 119, 255, 0.08);
  filter: drop-shadow(0 0 24px rgba(22, 119, 255, 0.08));
}

.hero-copy-bg-icon i {
  display: block;
}

.hero-copy-bg-icon.icon-a {
  top: 10%;
  left: 4%;
  font-size: 52px;
  transform: rotate(-8deg);
}

.hero-copy-bg-icon.icon-b {
  top: 34%;
  right: 14%;
  font-size: 72px;
  color: rgba(106, 184, 255, 0.09);
  transform: rotate(10deg);
}

.hero-copy-bg-icon.icon-c {
  top: 56%;
  left: 12%;
  font-size: 96px;
  color: rgba(106, 184, 255, 0.08);
}

.hero-copy-bg-icon.icon-d {
  right: 10%;
  bottom: 12%;
  font-size: 48px;
  color: rgba(106, 184, 255, 0.1);
  transform: rotate(12deg);
}

.hero-copy h1,
.hero-copy .hero-lead,
.hero-copy .hero-actions,
.hero-copy .hero-minor-actions {
  transition: opacity 0.22s ease;
  will-change: opacity;
}

.hero-copy.is-copy-leaving h1,
.hero-copy.is-copy-leaving .hero-lead,
.hero-copy.is-copy-leaving .hero-actions,
.hero-copy.is-copy-leaving .hero-minor-actions {
  opacity: 0.18;
}

.hero-copy.is-copy-entering h1,
.hero-copy.is-copy-entering .hero-lead,
.hero-copy.is-copy-entering .hero-actions,
.hero-copy.is-copy-entering .hero-minor-actions {
  animation: heroCopyFadeIn 0.32s ease;
}

@keyframes heroCopyFadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

.hero-kicker,
.section-kicker {
  margin: 0;
  color: var(--blue-soft);
  font-size: 13px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero h1,
.section-head h2,
.cta-copy h2 {
  margin: 18px 0 0;
  line-height: 1.08;
  letter-spacing: -0.045em;
}

.hero h1 {
  max-width: none;
  font-size: clamp(34px, 4.6vw, 56px);
  line-height: 1.18;
  letter-spacing: -0.01em;
  margin: 0 0 22px;
}

.hero-lead,
.section-head p,
.product-card p,
.pain-grid p,
.capability-grid p,
.industry-grid p,
.version-roadmap p,
.service-grid p,
.cta-panel p,
.site-footer p,
.site-footer li {
  color: var(--muted);
  line-height: 1.85;
}

.hero-lead {
  max-width: 640px;
  margin: 20px 0 0;
  font-size: 17px;
}

.hero-actions,
.cta-primary-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.hero-actions {
  margin-top: 30px;
}

.hero-minor-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
  color: var(--muted);
  font-size: 14px;
}

.hero-minor-actions a {
  color: var(--blue-soft);
  text-decoration: none;
}

.system-cockpit,
.product-card,
.pain-grid article,
.capability-grid article,
.industry-grid article,
.version-roadmap article,
.service-grid article,
.cta-panel,
.trust-intro,
.trust-point {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.product-card,
.pain-grid article,
.capability-grid article,
.industry-grid article,
.version-roadmap article,
.service-grid article,
.cta-panel,
.trust-intro,
.trust-point {
  transition: transform 0.24s ease, border-color 0.24s ease, box-shadow 0.24s ease,
    background 0.24s ease;
}

.product-card:hover,
.pain-grid article:hover,
.capability-grid article:hover,
.industry-grid article:hover,
.version-roadmap article:hover,
.service-grid article:hover,
.cta-panel:hover,
.trust-intro:hover,
.trust-point:hover {
  transform: translateY(-6px);
  border-color: rgba(106, 184, 255, 0.28);
  box-shadow: 0 24px 54px rgba(3, 8, 18, 0.34);
  background: rgba(12, 23, 39, 0.9);
}

.system-cockpit {
  position: relative;
  min-height: 520px;
  padding: 18px;
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(12, 24, 43, 0.98) 0%, rgba(5, 12, 22, 0.98) 100%);
  overflow: hidden;
}

.system-cockpit::before {
  content: "";
  position: absolute;
  inset: -80px auto auto -60px;
  width: 240px;
  height: 240px;
  background: rgba(22, 119, 255, 0.22);
  filter: blur(68px);
}

.hero-carousel-track {
  position: relative;
  height: 100%;
  overflow: hidden;
}

.cockpit-screen {
  position: absolute;
  inset: 18px;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 0;
  border-radius: 16px;
  border: 1px solid rgba(130, 170, 255, 0.14);
  background: #080f1c;
  opacity: 0;
  transform: translateX(52px);
  transition: opacity 0.6s ease, transform 0.6s ease;
  pointer-events: none;
  overflow: hidden;
}

.cockpit-screen img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 15px;
}

.cockpit-screen.is-active {
  opacity: 1;
  transform: translateX(0);
  pointer-events: auto;
}

.cockpit-screen.is-exit-left {
  opacity: 0;
  transform: translateX(-52px);
}

.hero-panel-decor {
  position: absolute;
  top: 20px;
  right: 20px;
  display: flex;
  gap: 16px;
  color: rgba(120, 175, 255, 0.11);
  font-size: 20px;
  pointer-events: none;
}

.cockpit-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
}

.cockpit-header span {
  color: var(--blue-soft);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.cockpit-header strong {
  font-size: 14px;
  font-weight: 500;
}

.cockpit-overview {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.cockpit-overview article {
  padding: 18px;
  border: 1px solid rgba(130, 170, 255, 0.14);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.025);
}

.cockpit-overview span {
  display: block;
  color: var(--muted);
  font-size: 13px;
}

.cockpit-overview strong {
  display: block;
  margin-top: 12px;
  font-size: 16px;
  line-height: 1.5;
}

.hero-panel-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.hero-panel-metrics article {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 14px;
  align-items: center;
  padding: 16px 18px;
  border: 1px solid rgba(130, 170, 255, 0.14);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.03);
}

.hero-panel-metrics i {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  color: var(--blue-soft);
  background: rgba(22, 119, 255, 0.09);
  box-shadow: inset 0 0 0 1px rgba(130, 170, 255, 0.1);
}

.hero-panel-metrics span,
.hero-panel-icons span {
  color: var(--muted);
  font-size: 12px;
}

.hero-panel-metrics strong {
  display: block;
  margin-top: 6px;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.5;
}

.hero-panel-icons {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-panel-icons span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 38px;
  padding: 0 12px;
  border: 1px solid rgba(130, 170, 255, 0.12);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.025);
}

.hero-panel-icons i,
.section-kicker i,
.eyebrow i {
  color: var(--blue-soft);
}

.cockpit-flow {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 4px;
}

.cockpit-flow span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px;
  border-radius: 14px;
  background: rgba(22, 119, 255, 0.08);
  color: var(--blue-soft);
  font-weight: 600;
}

.hero-carousel-nav {
  display: inline-flex;
  gap: 10px;
  margin-top: 26px;
  padding: 4px;
  border: 1px solid rgba(130, 170, 255, 0.12);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.02);
}

.hero-tab {
  min-width: 112px;
  padding: 10px 14px;
  border: 0;
  border-radius: 10px;
  background: transparent;
  color: var(--muted);
  font: inherit;
  cursor: pointer;
  transition: background 0.25s ease, color 0.25s ease;
}

.hero-tab.is-active {
  background: rgba(22, 119, 255, 0.12);
  color: var(--text);
}

.hero-route-rail {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 20px;
}

.hero-route {
  padding: 18px 20px;
  border: 1px solid rgba(130, 170, 255, 0.14);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.025);
  text-decoration: none;
  opacity: 0.72;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease, opacity 0.2s ease;
}

.hero-route:hover,
.hero-route.is-active {
  transform: translateY(-3px);
  border-color: rgba(106, 184, 255, 0.34);
  background: rgba(22, 119, 255, 0.06);
  opacity: 1;
}

.hero-route strong {
  display: block;
  font-size: 18px;
}

.hero-route span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  line-height: 1.75;
}

.section {
  padding: 30px 0 100px;
}

/* 首页 hero 同时带 .section 类，此规则须定义在 .section 之后，
   否则会被通用 padding 覆盖，导致顶部留白与产品页不一致 */
.hero {
  padding: 60px 0 64px;
}

.section-head {
  max-width: none;
  width: 100%;
  margin-bottom: 28px;
}

.section-head-wide {
  max-width: none;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 34px;
  padding: 6px 14px;
  border-radius: 12px;
  border: 1px solid rgba(106, 184, 255, 0.2);
  color: var(--blue-soft);
  background: rgba(22, 119, 255, 0.08);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.section-head h2 {
  width: 100%;
  max-width: 100%;
  font-size: clamp(23px, 2.15vw, 32px);
  font-weight: 520;
  line-height: 1.14;
}

.section-head p {
  max-width: 760px;
  margin: 18px 0 0;
}

.section-head-centered {
  text-align: center;
  margin-inline: auto;
}

.section-head-centered .section-kicker {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.section-head-centered h2 {
  max-width: 1040px;
  margin-inline: auto;
  font-size: clamp(20px, 1.55vw, 26px);
  line-height: 1.24;
}

.section-head-centered p {
  max-width: 820px;
  margin-inline: auto;
}

.product-grid,
.pain-grid,
.capability-grid,
.industry-grid,
.service-grid {
  display: grid;
  gap: 20px;
}

.product-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.pain-grid,
.capability-grid,
.industry-grid,
.service-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.capability-shell {
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: 30px;
  background:
    linear-gradient(180deg, rgba(10, 20, 36, 0.9) 0%, rgba(7, 14, 26, 0.82) 100%);
  box-shadow: var(--shadow);
}

.product-card,
.pain-grid article,
.capability-grid article,
.industry-grid article,
.version-roadmap article,
.service-grid article {
  padding: 28px;
  border-radius: var(--radius-lg);
}

.product-card {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.product-card::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, rgba(22, 119, 255, 0.2), rgba(106, 184, 255, 0.95));
}

.product-card h3,
.pain-grid strong,
.capability-grid h3,
.industry-grid h3,
.version-roadmap h3,
.service-grid h3 {
  margin: 0;
}

.pain-grid article,
.capability-grid article,
.industry-grid article,
.version-roadmap article,
.service-grid article {
  display: flex;
  flex-direction: column;
}

.product-card h3,
.capability-grid h3,
.industry-grid h3,
.version-roadmap h3,
.service-grid h3 {
  font-size: 24px;
}

.product-card p,
.pain-grid p,
.capability-grid p,
.industry-grid p,
.version-roadmap p,
.service-grid p {
  margin: 16px 0 0;
}

.product-card ul {
  margin: 18px 0 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.8;
}

.product-card li+li {
  margin-top: 6px;
}

.product-card a {
  display: inline-flex;
  margin-top: 20px;
  color: var(--blue-soft);
  text-decoration: none;
  font-weight: 600;
}

.pain-grid strong {
  display: block;
  font-size: 20px;
}

.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 54px;
  height: 54px;
  margin-bottom: 18px;
  border-radius: 18px;
  border: 1px solid rgba(106, 184, 255, 0.16);
  background: rgba(22, 119, 255, 0.08);
  color: var(--blue-soft);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
  transition: transform 0.24s ease, border-color 0.24s ease, box-shadow 0.24s ease,
    background 0.24s ease;
}

.card-icon i {
  font-size: 22px;
}

.product-card:hover .card-icon,
.pain-grid article:hover .card-icon,
.capability-grid article:hover .card-icon,
.industry-grid article:hover .card-icon,
.version-roadmap article:hover .card-icon,
.service-grid article:hover .card-icon,
.trust-intro:hover .card-icon,
.trust-point:hover .card-icon {
  transform: translateY(-2px);
  border-color: rgba(106, 184, 255, 0.28);
  background: rgba(22, 119, 255, 0.12);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    0 14px 28px rgba(7, 18, 34, 0.22);
}

.card-icon-strong {
  width: 62px;
  height: 62px;
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(22, 119, 255, 0.16) 0%, rgba(22, 119, 255, 0.08) 100%);
  border-color: rgba(106, 184, 255, 0.24);
}

.card-icon-strong i {
  font-size: 26px;
}

.section-trust {
  padding-top: 10px;
}

.trust-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(360px, 0.82fr);
  gap: 28px;
  align-items: stretch;
}

.trust-intro,
.trust-point {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
  border-radius: var(--radius-lg);
}

.trust-intro {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 34px;
}

.trust-intro h2 {
  margin: 18px 0 0;
  font-size: clamp(28px, 2.7vw, 40px);
  line-height: 1.12;
  letter-spacing: -0.045em;
}

.trust-lead {
  max-width: 680px;
  margin: 20px 0 0;
  color: var(--muted);
  line-height: 1.85;
}

.trust-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.trust-badges span,
.trust-label {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid rgba(106, 184, 255, 0.14);
  background: rgba(22, 119, 255, 0.08);
  color: var(--blue-soft);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.trust-points {
  display: grid;
  gap: 18px;
}

.trust-point {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-height: 100%;
  padding: 26px 28px;
}

.trust-point h3 {
  margin: 0;
  font-size: 20px;
  line-height: 1.38;
}

.trust-point p {
  margin: 0;
}

.version-roadmap {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 18px;
}

.version-roadmap article .version-step {
  display: inline-flex;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  border-radius: 14px;
  background: rgba(22, 119, 255, 0.12);
  color: var(--blue-soft);
  font-weight: 700;
}

.version-icon.card-icon {
  width: 52px;
  height: 52px;
  margin-bottom: 16px;
}

.cta-panel {
  padding: 40px;
  border-radius: var(--radius-xl);
}

.cta-copy {
  max-width: 880px;
}

.cta-actions {
  margin-top: 30px;
}

.cta-primary-actions {
  margin-top: 0;
}

.cta-note {
  margin-top: 20px;
  color: var(--muted);
}

.cta-support-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
  color: var(--muted);
  font-size: 14px;
}

.cta-support-actions a {
  color: var(--blue-soft);
  text-decoration: none;
}

.service-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-width: 1080px;
  margin: 0 auto;
}

.service-grid article {
  align-items: center;
  text-align: center;
}

.cta-panel-centered {
  display: grid;
  justify-items: center;
  text-align: center;
}

.cta-panel-centered .cta-copy {
  max-width: 820px;
}

.cta-panel-centered .eyebrow {
  justify-content: center;
}

.cta-panel-centered .cta-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.cta-panel-centered .cta-primary-actions,
.cta-panel-centered .cta-support-actions {
  justify-content: center;
}

.cta-panel-centered .cta-note {
  max-width: 640px;
  text-align: center;
}

.site-footer {
  padding: 0 0 48px;
  max-width: var(--container);
  margin: 0 auto;
  padding-left: 28px;
  padding-right: 28px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr;
  gap: 28px;
  padding: 36px 0 28px;
  border-top: 1px solid var(--line);
}

.footer-grid > div:not(:first-child) {
  text-align: right;
}

.footer-grid > div:not(:first-child) ul {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.site-footer h2,
.site-footer h3 {
  margin: 0 0 14px;
}

.site-footer ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-footer li+li {
  margin-top: 10px;
}

.site-footer a {
  text-decoration: none;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

.footer-bottom div {
  display: flex;
  gap: 16px;
}

@media (max-width: 1180px) {

  .hero-carousel-nav,
  .hero-stage,
  .hero-route-rail,
  .product-grid,
  .trust-layout {
    grid-template-columns: 1fr;
  }

  .capability-grid,
  .industry-grid,
  .service-grid,
  .version-roadmap {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero {
    min-height: auto;
  }

  .hero h1 {
    max-width: none;
  }
}

@media (max-width: 900px) {
  .top-nav {
    grid-template-columns: auto auto;
    justify-content: space-between;
  }

  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .nav-sheet {
    display: grid;
    grid-column: 1 / -1;
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
    max-height: 0;
    margin-top: 0;
    padding: 0 18px;
    opacity: 0;
    overflow: hidden;
    pointer-events: none;
    border: 1px solid transparent;
    border-radius: 22px;
    background: rgba(8, 17, 30, 0);
    box-shadow: none;
    transform: translateY(-10px);
    transition:
      max-height 0.32s ease,
      opacity 0.24s ease,
      transform 0.24s ease,
      margin-top 0.24s ease,
      padding 0.24s ease,
      border-color 0.24s ease,
      background 0.24s ease,
      box-shadow 0.24s ease;
  }

  .top-nav.is-open .nav-sheet {
    max-height: 420px;
    margin-top: 12px;
    padding: 18px;
    opacity: 1;
    pointer-events: auto;
    border: 1px solid rgba(106, 184, 255, 0.14);
    background: rgba(8, 17, 30, 0.9);
    box-shadow:
      0 20px 42px rgba(3, 8, 18, 0.32),
      inset 0 1px 0 rgba(255, 255, 255, 0.04);
    transform: translateY(0);
  }

  .top-nav.is-open .nav-links {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 10px;
    padding-top: 0;
  }

  .top-nav.is-open .nav-links a {
    justify-content: flex-start;
    min-height: 44px;
    padding: 10px 14px;
    border-color: rgba(106, 184, 255, 0.08);
    background: rgba(255, 255, 255, 0.02);
  }

  .top-nav.is-open .nav-links a.is-active::after {
    left: 14px;
    right: 14px;
    bottom: 8px;
  }

  .top-nav.is-open .nav-cta {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 10px;
    padding-top: 14px;
    border-top: 1px solid rgba(106, 184, 255, 0.1);
  }

  .top-nav.is-open .nav-cta-link,
  .top-nav.is-open .btn-nav {
    width: 100%;
    justify-content: center;
  }

  .top-nav.is-open .nav-cta-link {
    min-height: 44px;
    border: 1px solid rgba(106, 184, 255, 0.08);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.02);
  }


  .site-header,
  .section,
  .site-footer {
    width: min(calc(100% - 32px), var(--container));
  }

  .system-cockpit {
    min-height: 460px;
  }
}

@media (max-width: 760px) {
  .hero {
    padding: 52px 0 72px;
  }

  .hero-stage,
  .pain-grid,
  .capability-grid,
  .industry-grid,
  .service-grid,
  .version-roadmap,
  .footer-grid,
  .footer-bottom {
    grid-template-columns: 1fr;
  }

  .top-nav {
    gap: 14px;
  }

  .hero-actions,
  .cta-primary-actions,
  .footer-bottom div {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    width: 100%;
  }

  .hero-carousel-nav {
    display: grid;
    grid-template-columns: 1fr;
  }

  .hero-minor-actions {
    flex-wrap: wrap;
  }

  .cta-support-actions {
    flex-wrap: wrap;
  }

  .hero-copy-icon-row {
    min-height: auto;
    margin-top: 22px;
  }

  .hero-copy-icon-group {
    position: relative;
    inset: auto;
    flex-wrap: wrap;
    gap: 14px;
    transform: none;
  }

  .hero-copy-icon-group:not(.is-active) {
    display: none;
  }

  .hero-copy-icon-group span {
    width: 64px;
    height: 64px;
    border-radius: 18px;
  }


  .system-cockpit,
  .capability-shell,
  .product-card,
  .pain-grid article,
  .capability-grid article,
  .industry-grid article,
  .version-roadmap article,
  .service-grid article,
  .cta-panel {
    padding: 24px;
  }

  .brand-text span {
    display: none;
  }

  .cockpit-overview,
  .hero-panel-metrics,
  .cockpit-flow {
    grid-template-columns: 1fr;
  }

  .hero-panel-icons {
    gap: 10px;
  }
}

/* ==========================================================================
   产品详情页通用样式（member-system / commerce / travel-pro 共用）
   ========================================================================== */

/* --- 产品页 Hero（左文案 + 右截图双栏） --- */
.section-hero-product {
  padding-top: 56px;
  padding-bottom: 64px;
}

.hero-product-stage {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(520px, 0.85fr);
  gap: 40px;
  align-items: start;
}

.hero-product-copy {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

.hero-product-stage .section-kicker {
  margin-bottom: 20px;
}

.hero-product-stage h1 {
  font-size: clamp(34px, 4.6vw, 56px);
  line-height: 1.18;
  letter-spacing: -0.01em;
  margin: 0 0 22px;
}

.hero-product-lead {
  font-size: clamp(16px, 1.4vw, 19px);
  line-height: 1.75;
  color: var(--muted);
  max-width: 720px;
  margin: 0 0 32px;
}

.hero-product-stage .hero-actions,
.section-hero-product .hero-actions {
  margin-bottom: 16px;
}

.hero-product-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}

.hero-product-badges span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border-radius: 999px;
  background: var(--panel);
  border: 1px solid var(--line);
  color: var(--text);
  font-size: 14px;
  font-weight: 500;
}

.hero-product-badges i {
  color: var(--blue-soft);
  font-size: 15px;
}

/* --- 经营闭环 loop-flow（4 步横向流程） --- */
.loop-flow {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
  position: relative;
}

.loop-step {
  position: relative;
  padding: 28px 24px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  transition: transform 0.28s ease, border-color 0.28s ease, box-shadow 0.28s ease;
}

.loop-step:hover {
  transform: translateY(-6px);
  border-color: rgba(106, 184, 255, 0.28);
  box-shadow: 0 24px 54px rgba(3, 8, 18, 0.34);
}

.loop-step-num {
  position: absolute;
  top: 20px;
  right: 24px;
  font-size: 34px;
  font-weight: 800;
  color: rgba(106, 184, 255, 0.16);
  letter-spacing: 0.02em;
}

.loop-step-icon {
  margin-bottom: 18px;
}

.loop-step h3 {
  font-size: 19px;
  margin: 0 0 10px;
}

.loop-step p {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--muted);
  margin: 0;
}

/* --- 版本对比卡 version-compare-grid --- */
.version-compare-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  align-items: stretch;
}

.version-compare-card {
  position: relative;
  padding: 36px 32px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  transition: transform 0.28s ease, border-color 0.28s ease, box-shadow 0.28s ease;
}

.version-compare-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 54px rgba(3, 8, 18, 0.34);
}

.version-compare-plus {
  border-color: rgba(106, 184, 255, 0.36);
  background: linear-gradient(180deg, rgba(22, 119, 255, 0.10), var(--panel) 60%);
}

.version-compare-plus:hover {
  border-color: rgba(106, 184, 255, 0.5);
}

.version-compare-tag {
  display: inline-block;
  padding: 5px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--blue-soft);
  background: rgba(22, 119, 255, 0.12);
  border: 1px solid rgba(106, 184, 255, 0.24);
  margin-bottom: 18px;
}

.version-compare-tag-strong {
  color: #fff;
  background: linear-gradient(180deg, #1b72ff, #0f5fe0);
  border-color: transparent;
}

.version-compare-card h3 {
  font-size: 26px;
  margin: 0 0 12px;
}

.version-compare-position {
  font-size: 16px;
  color: var(--text);
  font-weight: 600;
  margin: 0 0 8px;
  line-height: 1.55;
}

.version-compare-fit {
  font-size: 14px;
  color: var(--muted);
  margin: 0 0 24px;
  line-height: 1.6;
}

.version-compare-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.version-compare-card li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--text);
}

.version-compare-card li i {
  color: var(--blue-soft);
  font-size: 14px;
  margin-top: 4px;
  flex-shrink: 0;
}

/* --- 6 列行业网格（复用 .industry-grid，3 列 × 2 行） --- */
.industry-grid-six {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

/* --- 能力维度指标条 metrics-bar --- */
.metrics-bar {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.metric-item {
  padding: 32px 24px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: transform 0.28s ease, border-color 0.28s ease;
}

.metric-item:hover {
  transform: translateY(-4px);
  border-color: rgba(106, 184, 255, 0.28);
}

.metric-num {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 6px;
  font-size: 46px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.02em;
  background: linear-gradient(180deg, var(--blue-soft), var(--blue));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 14px;
}

.metric-num span {
  font-size: 16px;
  font-weight: 600;
  -webkit-text-fill-color: var(--muted);
}

.metric-item p {
  font-size: 14px;
  line-height: 1.65;
  color: var(--muted);
  margin: 0;
}

/* --- 二维码 CTA 面板 cta-qr-panel --- */
.cta-qr-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 48px;
  align-items: center;
  padding: 48px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
}

.cta-qr-copy .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--blue-soft);
  margin-bottom: 16px;
}

.cta-qr-copy h2 {
  font-size: clamp(24px, 2.4vw, 32px);
  line-height: 1.3;
  margin: 0 0 16px;
}

.cta-qr-copy > p {
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--muted);
  margin: 0 0 28px;
  max-width: 520px;
}

.cta-qr-copy .cta-primary-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.cta-qr-copy .cta-support-actions {
  font-size: 14px;
  color: var(--muted);
}

.cta-qr-copy .cta-support-actions a {
  color: var(--blue-soft);
}

.cta-qr-codes {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.cta-qr-item {
  text-align: center;
}

.qr-placeholder {
  width: 100%;
  aspect-ratio: 1 / 1;
  max-width: 168px;
  margin: 0 auto 12px;
  border-radius: var(--radius-md);
  background: rgba(22, 119, 255, 0.06);
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.qr-placeholder img {
  position: relative;
  z-index: 2;
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

/* 占位态文字：默认显示在底层，图片加载成功后覆盖在上面 */
.qr-placeholder-text {
  position: absolute;
  z-index: 1;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 13px;
  color: var(--blue-soft);
  font-weight: 600;
  padding: 12px;
  text-align: center;
}

.qr-placeholder-text i {
  font-size: 30px;
}

.cta-qr-item p {
  font-size: 13.5px;
  color: var(--muted);
  margin: 0;
}

/* --- Hero 右侧截图 --- */
.hero-product-visual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow:
    0 40px 100px rgba(0, 0, 0, 0.4),
    0 0 60px rgba(22, 119, 255, 0.08);
  border: 1px solid rgba(130, 170, 255, 0.16);
  background: #0b1728;
}

.hero-product-visual img {
  display: block;
  width: 100%;
  height: auto;
}

/* --- 系统界面预览 section --- */
.section-preview {
  padding-top: 40px;
  padding-bottom: 40px;
}

.preview-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.preview-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(130, 170, 255, 0.14);
  background: #0b1728;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
  transition: transform 0.28s ease, box-shadow 0.28s ease;
}

.preview-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 28px 64px rgba(0, 0, 0, 0.3);
}

.preview-item-main {
  /* 保留类名兼容，不再特殊处理 */
}

.preview-item-mobile {
  grid-column: 2 / 3;
  grid-row: 1 / 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 24px 16px;
  background: rgba(130, 170, 255, 0.03);
}

.preview-item-mobile img {
  max-height: 380px;
  width: auto;
}

.preview-label {
  padding: 10px 16px;
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  background: rgba(130, 170, 255, 0.06);
  border-bottom: 1px solid rgba(130, 170, 255, 0.10);
}

.preview-item img {
  display: block;
  width: 100%;
  height: auto;
}

/* ==========================================================================
   产品详情页响应式
   ========================================================================== */
@media (max-width: 1180px) {
  .loop-flow,
  .metrics-bar {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .cta-qr-panel {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .cta-qr-codes {
    max-width: 400px;
  }

  /* Hero 双栏降级为单栏 */
  .hero-product-stage {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .hero-product-visual {
    max-width: 640px;
  }

  /* 预览区保持 2 列 */

  .preview-item-mobile {
    grid-column: auto;
    grid-row: auto;
  }
}

@media (max-width: 720px) {
  .version-compare-grid {
    grid-template-columns: 1fr;
  }

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

  .loop-flow,
  .metrics-bar {
    grid-template-columns: 1fr;
  }

  .cta-qr-panel {
    padding: 28px;
  }

  .cta-qr-copy .cta-primary-actions {
    flex-direction: column;
  }

  .cta-qr-copy .cta-primary-actions .btn {
    width: 100%;
    text-align: center;
  }

  .version-compare-card {
    padding: 28px 24px;
  }
}

/* ==========================================================================
   产品详情页专属背景色
   首页：深蓝科技 (#07111f → #040b15 → #03070f)
   以下三个页面底色与首页差异拉到肉眼清晰可辨
   ========================================================================== */

/* ---- 会员系统页：暖紫靛蓝 ---- */
body.member-page {
  background:
    radial-gradient(circle at 10% 0%, rgba(160, 80, 255, 0.45) 0%, rgba(130, 60, 220, 0.15) 38%, transparent 55%),
    radial-gradient(circle at 80% 5%, rgba(200, 120, 255, 0.30) 0%, rgba(180, 100, 255, 0.10) 35%, transparent 50%),
    radial-gradient(circle at 50% 100%, rgba(100, 50, 200, 0.18) 0%, transparent 40%),
    linear-gradient(180deg, #16102a 0%, #110c20 40%, #0a0715 100%);
}

body.member-page {
  --bg: #16102a;
  --bg-soft: #1e1638;
  --line: rgba(180, 140, 255, 0.20);
  --line-strong: rgba(180, 140, 255, 0.38);
  --glow: rgba(160, 80, 255, 0.30);
}

/* ---- 综合商城页：热情红（电商热闹感） ---- */
body.commerce-page {
  background:
    radial-gradient(circle at 12% 0%, rgba(244, 67, 54, 0.55) 0%, rgba(200, 40, 30, 0.20) 38%, transparent 55%),
    radial-gradient(circle at 85% 8%, rgba(255, 110, 90, 0.38) 0%, rgba(230, 80, 60, 0.12) 35%, transparent 50%),
    radial-gradient(circle at 50% 100%, rgba(180, 30, 20, 0.22) 0%, transparent 42%),
    linear-gradient(180deg, #1a0a0a 0%, #140808 40%, #0e0505 100%);
}

body.commerce-page {
  --bg: #1a0a0a;
  --bg-soft: #221010;
  --panel: rgba(30, 12, 12, 0.82);
  --panel-strong: rgba(22, 8, 8, 0.96);
  --line: rgba(255, 120, 100, 0.20);
  --line-strong: rgba(255, 120, 100, 0.38);
  --text: #fff5f5;
  --muted: #c8a0a0;
  --blue: #f44336;
  --blue-strong: #d32f2f;
  --blue-soft: #ff7043;
  --glow: rgba(244, 67, 54, 0.30);
}

/* ---- 旅游专业版页：清新蓝（#2196f3 系） ---- */
body.travel-page {
  background:
    radial-gradient(circle at 12% 0%, rgba(33, 150, 243, 0.55) 0%, rgba(25, 118, 210, 0.20) 38%, transparent 55%),
    radial-gradient(circle at 85% 8%, rgba(100, 181, 246, 0.35) 0%, rgba(66, 165, 245, 0.12) 35%, transparent 50%),
    radial-gradient(circle at 50% 100%, rgba(21, 101, 192, 0.22) 0%, transparent 42%),
    linear-gradient(180deg, #0a1525 0%, #0d1a2e 40%, #060e18 100%);
}

body.travel-page {
  --bg: #0a1525;
  --bg-soft: #102035;
  --panel: rgba(12, 22, 38, 0.82);
  --panel-strong: rgba(8, 16, 28, 0.96);
  --line: rgba(100, 181, 246, 0.20);
  --line-strong: rgba(100, 181, 246, 0.38);
  --text: #f0f5ff;
  --muted: #a0b8d0;
  --blue: #2196f3;
  --blue-strong: #1976d2;
  --blue-soft: #64b5f6;
  --glow: rgba(33, 150, 243, 0.30);
}

/* ==========================================================================
   行业方案页
   ========================================================================== */

/* ---- 行业方案页：中性深色（不偏向任何产品线） ---- */
body.solutions-page {
  background:
    radial-gradient(circle at 12% 0%, rgba(145, 163, 191, 0.30) 0%, rgba(120, 140, 170, 0.12) 38%, transparent 55%),
    radial-gradient(circle at 85% 8%, rgba(160, 180, 210, 0.20) 0%, rgba(140, 160, 190, 0.08) 35%, transparent 50%),
    radial-gradient(circle at 50% 100%, rgba(100, 120, 150, 0.15) 0%, transparent 42%),
    linear-gradient(180deg, #0c1018 0%, #0a0e15 40%, #070a0f 100%);
}

body.solutions-page {
  --bg: #0c1018;
  --bg-soft: #101520;
  --panel: rgba(14, 18, 28, 0.82);
  --panel-strong: rgba(10, 14, 22, 0.96);
  --line: rgba(145, 163, 191, 0.18);
  --line-strong: rgba(145, 163, 191, 0.32);
  --text: #f0f3f8;
  --muted: #a0aab8;
  --blue: #6ab8ff;
  --blue-strong: #4a9eff;
  --blue-soft: #8ecaff;
  --glow: rgba(106, 184, 255, 0.20);
}

/* ---- 行业方案卡片 ---- */
.solution-card {
  max-width: 1080px;
  margin: 0 auto 32px;
  padding: 32px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  transition: transform 0.28s ease, border-color 0.28s ease, box-shadow 0.28s ease;
}

.solution-card:hover {
  transform: translateY(-4px);
  border-color: rgba(106, 184, 255, 0.28);
  box-shadow: 0 24px 54px rgba(3, 8, 18, 0.34);
}

.solution-card-header {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 28px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}

.solution-card-icon {
  flex-shrink: 0;
}

.solution-card-header h3 {
  font-size: 22px;
  margin: 0 0 8px;
}

.solution-card-desc {
  font-size: 14.5px;
  color: var(--muted);
  margin: 0;
  line-height: 1.6;
}

.solution-card-body {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 32px;
  align-items: start;
}

.solution-card-pain strong,
.solution-card-solution strong,
.solution-card-version strong {
  display: block;
  font-size: 13px;
  color: var(--blue-soft);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 14px;
}

.solution-card-pain ul,
.solution-card-solution ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.solution-card-pain li,
.solution-card-solution li {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text);
  padding-left: 0;
}

.solution-card-pain li {
  color: var(--muted);
  position: relative;
  padding-left: 16px;
}

.solution-card-pain li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: rgba(255, 95, 87, 0.5);
}

.solution-card-solution li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.solution-card-solution li i {
  color: var(--blue-soft);
  font-size: 12px;
  margin-top: 4px;
  flex-shrink: 0;
}

.solution-version-tags {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.solution-version-tag {
  display: inline-block;
  padding: 8px 16px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 600;
  color: var(--blue-soft);
  background: rgba(106, 184, 255, 0.08);
  border: 1px solid rgba(106, 184, 255, 0.18);
  text-decoration: none;
  transition: background 0.2s ease, border-color 0.2s ease;
  white-space: nowrap;
}

.solution-version-tag:hover {
  background: rgba(106, 184, 255, 0.15);
  border-color: rgba(106, 184, 255, 0.35);
}

.solution-version-tag-strong {
  color: #fff;
  background: linear-gradient(180deg, #1b72ff, #0f5fe0);
  border-color: transparent;
}

.solution-version-tag-strong:hover {
  background: linear-gradient(180deg, #2b82ff, #1f6ff0);
}

/* ---- 行业方案页响应式 ---- */
@media (max-width: 900px) {
  .solution-card-body {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .solution-card {
    padding: 24px;
  }
}

@media (max-width: 600px) {
  .solution-card-header {
    flex-direction: column;
    gap: 12px;
  }
}

/* ==========================================================================
   版本价格页
   ========================================================================== */

/* ---- 版本价格页：深蓝科技（与首页一致） ---- */
body.pricing-page {
  /* 复用首页背景色，不额外定义 */
}

/* ---- 版本卡片 ---- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  max-width: 1200px;
  margin: 0 auto;
}

.pricing-card {
  padding: 28px 24px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  transition: transform 0.28s ease, border-color 0.28s ease, box-shadow 0.28s ease;
  display: flex;
  flex-direction: column;
}

.pricing-card:hover {
  transform: translateY(-6px);
  border-color: rgba(106, 184, 255, 0.28);
  box-shadow: 0 24px 54px rgba(3, 8, 18, 0.34);
}

.pricing-card-recommended {
  border-color: rgba(106, 184, 255, 0.36);
  background: linear-gradient(180deg, rgba(22, 119, 255, 0.10), var(--panel) 60%);
}

.pricing-card-recommended:hover {
  border-color: rgba(106, 184, 255, 0.5);
}

.pricing-card-header {
  margin-bottom: 20px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.pricing-card-tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--blue-soft);
  background: rgba(22, 119, 255, 0.12);
  border: 1px solid rgba(106, 184, 255, 0.24);
  margin-bottom: 12px;
}

.pricing-card-tag-strong {
  color: #fff;
  background: linear-gradient(180deg, #1b72ff, #0f5fe0);
  border-color: transparent;
}

.pricing-card-header h3 {
  font-size: 20px;
  margin: 0 0 8px;
}

.pricing-card-desc {
  font-size: 13.5px;
  color: var(--muted);
  margin: 0;
  line-height: 1.5;
}

.pricing-card-fit {
  margin-bottom: 18px;
}

.pricing-card-fit strong {
  display: block;
  font-size: 12px;
  color: var(--blue-soft);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 6px;
}

.pricing-card-fit p {
  font-size: 13.5px;
  color: var(--text);
  margin: 0;
  line-height: 1.5;
}

.pricing-card-features {
  flex: 1;
  margin-bottom: 20px;
}

.pricing-card-features strong {
  display: block;
  font-size: 12px;
  color: var(--blue-soft);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}

.pricing-card-features ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.pricing-card-features li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--text);
}

.pricing-card-features li i {
  color: var(--blue-soft);
  font-size: 12px;
  margin-top: 3px;
  flex-shrink: 0;
}

.pricing-card-action {
  margin-top: auto;
}

.pricing-card-action .btn {
  width: 100%;
  text-align: center;
}

/* ---- 功能对比表格 ---- */
.compare-table-wrap {
  overflow-x: auto;
  max-width: 1100px;
  margin: 0 auto;
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.compare-table th,
.compare-table td {
  padding: 12px 16px;
  text-align: center;
  border-bottom: 1px solid var(--line);
}

.compare-table th:first-child,
.compare-table td:first-child {
  text-align: left;
  min-width: 180px;
}

.compare-table th {
  font-size: 12px;
  font-weight: 600;
  color: var(--blue-soft);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: rgba(22, 119, 255, 0.04);
  position: sticky;
  top: 0;
}

.compare-table td {
  color: var(--text);
}

.compare-table td i.fa-check {
  color: #28c840;
}

.compare-table td i.fa-xmark {
  color: rgba(145, 163, 191, 0.3);
}

.compare-section td {
  font-weight: 600;
  color: var(--blue-soft);
  background: rgba(22, 119, 255, 0.04);
  text-align: left;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 8px 16px;
}

/* ---- 选择建议 ---- */
.advice-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  max-width: 1100px;
  margin: 0 auto;
}

@media (max-width: 900px) {
  .advice-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 600px) {
  .advice-grid {
    grid-template-columns: 1fr;
  }
}

.advice-card {
  padding: 28px 24px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  transition: transform 0.28s ease, border-color 0.28s ease;
  text-align: center;
}

.advice-card:hover {
  transform: translateY(-4px);
  border-color: rgba(106, 184, 255, 0.28);
}

.advice-card-icon {
  margin: 0 auto 16px;
}

.advice-card h3 {
  font-size: 18px;
  margin: 0 0 10px;
}

.advice-card p {
  font-size: 13.5px;
  color: var(--muted);
  margin: 0 0 16px;
  line-height: 1.6;
}

.advice-recommend {
  display: block;
  font-size: 13px;
  color: var(--blue-soft);
  font-weight: 600;
}

.advice-recommend a {
  color: var(--blue-soft);
  text-decoration: none;
}

.advice-recommend a:hover {
  text-decoration: underline;
}

/* ==========================================================================
   联系我们页
   ========================================================================== */

/* ---- 联系我们页：深蓝科技（与首页一致） ---- */
body.contact-page {
  /* 复用首页背景色，不额外定义 */
}

/* ---- 联系方式卡片 ---- */
.contact-methods-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  max-width: 1000px;
  margin: 0 auto;
}

.contact-method-card {
  padding: 32px 24px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  text-align: center;
  transition: transform 0.28s ease, border-color 0.28s ease;
}

.contact-method-card:hover {
  transform: translateY(-4px);
  border-color: rgba(106, 184, 255, 0.28);
}

.contact-method-icon {
  margin: 0 auto 16px;
}

.contact-method-card h3 {
  font-size: 20px;
  margin: 0 0 10px;
}

.contact-method-card > p {
  font-size: 13.5px;
  color: var(--muted);
  margin: 0 0 24px;
  line-height: 1.6;
}

.contact-method-qr {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.contact-method-qr .qr-placeholder {
  width: 140px;
  height: 140px;
}

.contact-method-qr-tip {
  font-size: 12px;
  color: var(--muted);
}

.contact-method-info {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.contact-phone {
  font-size: 28px;
  font-weight: 800;
  color: var(--blue-soft);
  text-decoration: none;
  letter-spacing: 0.02em;
}

.contact-phone:hover {
  color: var(--blue);
}

.contact-hours {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
}

.contact-hours i {
  font-size: 12px;
}

/* ---- 留言表单 ---- */
.contact-form-wrap {
  max-width: 800px;
  margin: 0 auto;
  padding: 36px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
}

.contact-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}

.contact-form-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.contact-form-field-full {
  margin-bottom: 20px;
}

.contact-form-field label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
}

.contact-form-field .required {
  color: #ff5f57;
}

.contact-form-field input,
.contact-form-field select,
.contact-form-field textarea {
  padding: 10px 14px;
  font-size: 14px;
  color: var(--text);
  background: rgba(130, 170, 255, 0.06);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  outline: none;
  transition: border-color 0.2s ease;
  font-family: inherit;
}

.contact-form-field input:focus,
.contact-form-field select:focus,
.contact-form-field textarea:focus {
  border-color: var(--blue);
  background: rgba(22, 119, 255, 0.08);
}

.contact-form-field input::placeholder,
.contact-form-field textarea::placeholder {
  color: rgba(145, 163, 191, 0.4);
}

.contact-form-field select {
  cursor: pointer;
  appearance: auto;
  padding-right: 14px;
}

.contact-form-field select option {
  background: #0b1728;
  color: #f4f8ff;
}

.contact-form-field textarea {
  resize: vertical;
  min-height: 80px;
}

.contact-form-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 8px;
}

.contact-form-note {
  font-size: 12px;
  color: var(--muted);
}

/* ---- 联系我们页响应式 ---- */
@media (max-width: 900px) {
  .contact-methods-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
  }

  .contact-form-row {
    grid-template-columns: 1fr;
  }

  .contact-form-wrap {
    padding: 24px;
  }
}

/* ==========================================================================
   法律条款页（隐私政策 + 服务条款）
   ========================================================================== */

body.legal-page {
  background:
    radial-gradient(circle at 12% 0%, rgba(106, 184, 255, 0.20) 0%, transparent 40%),
    linear-gradient(180deg, #07111f 0%, #040b15 56%, #03070f 100%);
}

.section-legal {
  padding-top: 40px;
  padding-bottom: 60px;
}

.legal-content {
  max-width: 800px;
  margin: 0 auto;
}

.legal-content h1 {
  font-size: clamp(30px, 4vw, 42px);
  line-height: 1.2;
  margin: 0 0 12px;
}

.legal-updated {
  font-size: 13px;
  color: var(--muted);
  margin: 0 0 40px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}

.legal-content h2 {
  font-size: 20px;
  margin: 36px 0 16px;
  color: var(--text);
}

.legal-content h3 {
  font-size: 16px;
  margin: 24px 0 12px;
  color: var(--text);
}

.legal-content p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
  margin: 0 0 14px;
}

.legal-content ul {
  padding-left: 24px;
  margin: 0 0 14px;
}

.legal-content li {
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
  margin-bottom: 6px;
}

.legal-content li strong {
  color: var(--text);
}

.legal-content a {
  color: var(--blue-soft);
  text-decoration: none;
}

.legal-content a:hover {
  text-decoration: underline;
}

/* ==========================================================================
   免费体验弹窗
   ========================================================================== */

.trial-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(3, 7, 15, 0.85);
  backdrop-filter: blur(8px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.trial-modal-overlay.is-open {
  opacity: 1;
  visibility: visible;
}

.trial-modal {
  position: relative;
  width: 90%;
  max-width: 440px;
  padding: 40px 36px 36px;
  background: linear-gradient(180deg, #0f1d33, #0a1525);
  border: 1px solid rgba(106, 184, 255, 0.25);
  border-radius: var(--radius-xl);
  box-shadow: 0 40px 100px rgba(0, 0, 0, 0.5);
  text-align: center;
  transform: translateY(20px) scale(0.96);
  transition: transform 0.3s ease;
}

.trial-modal-overlay.is-open .trial-modal {
  transform: translateY(0) scale(1);
}

.trial-modal-close {
  position: absolute;
  top: 14px;
  right: 16px;
  width: 32px;
  height: 32px;
  border: none;
  background: rgba(130, 170, 255, 0.08);
  border-radius: 8px;
  color: var(--muted);
  font-size: 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease, color 0.2s ease;
}

.trial-modal-close:hover {
  background: rgba(130, 170, 255, 0.16);
  color: var(--text);
}

.trial-modal-header {
  margin-bottom: 24px;
}

.trial-modal-header .trial-modal-icon {
  font-size: 42px;
  color: #28c840;
  margin-bottom: 14px;
  display: block;
}

.trial-modal-header h2 {
  font-size: 22px;
  margin: 0 0 8px;
}

.trial-modal-header p {
  font-size: 14px;
  color: var(--muted);
  margin: 0;
  line-height: 1.5;
}

.trial-modal-qr {
  margin: 0 auto 24px;
}

.trial-modal-qr .qr-placeholder {
  width: 180px;
  height: 180px;
  max-width: none;
  margin: 0 auto;
}

.trial-modal-qr-tip {
  display: block;
  margin-top: 12px;
  font-size: 13px;
  color: var(--muted);
}

.trial-modal-footer {
  font-size: 12px;
  color: rgba(145, 163, 191, 0.4);
  line-height: 1.6;
}

/* ==========================================================================
   首页优化
   ========================================================================== */

/* P1: 经营难题双栏排版 */
.pains-duo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px 40px;
  max-width: 1000px;
  margin: 0 auto;
}

.pain-item {
  display: flex;
  gap: 18px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.pain-item:last-child {
  border-bottom: none;
}

.pain-item-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: linear-gradient(180deg, rgba(106, 184, 255, 0.12), rgba(22, 119, 255, 0.08));
  border: 1px solid rgba(106, 184, 255, 0.18);
  color: var(--blue-soft);
  font-size: 18px;
}

.pain-item strong {
  display: block;
  font-size: 16px;
  margin-bottom: 6px;
  color: var(--text);
}

.pain-item p {
  font-size: 14px;
  line-height: 1.65;
  color: var(--muted);
  margin: 0;
}

/* P0: 客户评价 */
.testimonial-section {
  padding-top: 0;
}

.testimonial-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  max-width: 1000px;
  margin: 0 auto;
}

.testimonial-card {
  padding: 28px 24px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  transition: transform 0.28s ease, border-color 0.28s ease;
}

.testimonial-card:hover {
  transform: translateY(-3px);
  border-color: rgba(106, 184, 255, 0.28);
}

.testimonial-text {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text);
  margin: 0 0 18px;
  font-style: italic;
}

.testimonial-text::before {
  content: "\201C";
  font-size: 28px;
  color: var(--blue-soft);
  margin-right: 4px;
  font-style: normal;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(180deg, rgba(106, 184, 255, 0.15), rgba(22, 119, 255, 0.1));
  border: 1px solid rgba(106, 184, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue-soft);
  font-size: 16px;
  flex-shrink: 0;
}

.testimonial-author-info strong {
  display: block;
  font-size: 13px;
  color: var(--text);
}

.testimonial-author-info span {
  font-size: 12px;
  color: var(--muted);
}

/* P2: 底部CTA单二维码 */
.cta-qr-single {
  display: flex;
  align-items: center;
  gap: 48px;
  padding: 48px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
}

.cta-qr-single .cta-qr-copy {
  flex: 1;
}

.cta-qr-single .cta-qr-copy .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--blue-soft);
  margin-bottom: 16px;
}

.cta-qr-single .cta-qr-copy h2 {
  font-size: clamp(24px, 2.4vw, 32px);
  line-height: 1.3;
  margin: 0 0 16px;
}

.cta-qr-single .cta-qr-copy > p {
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--muted);
  margin: 0 0 28px;
  max-width: 480px;
}

.cta-qr-single .cta-primary-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.cta-qr-single .cta-support-actions {
  font-size: 14px;
  color: var(--muted);
}

.cta-qr-single .cta-support-actions a {
  color: var(--blue-soft);
}

.cta-qr-single .cta-qr-codes {
  flex-shrink: 0;
}

.cta-qr-single .cta-qr-codes .cta-qr-item {
  text-align: center;
}

.cta-qr-single .cta-qr-codes .qr-placeholder {
  width: 160px;
  height: 160px;
  max-width: none;
  margin: 0 auto 10px;
}

/* 响应式 */
@media (max-width: 900px) {
  .pains-duo {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .testimonial-grid {
    grid-template-columns: 1fr;
  }

  .cta-qr-single {
    flex-direction: column;
    gap: 32px;
    padding: 28px;
    text-align: center;
  }

  .cta-qr-single .cta-qr-copy > p {
    max-width: none;
  }

  .cta-qr-single .cta-primary-actions {
    justify-content: center;
  }
}

/* 免费体验弹窗：复用上方 .trial-modal-overlay 预留样式（2958 行起）
   这里仅补充打开弹窗时锁定页面滚动 */
body.trial-modal-open {
  overflow: hidden;
}

/* ==========================================================================
   FAQ 常见问题区块（产品页 SEO / GEO）
   ========================================================================== */
.faq-list {
  max-width: 780px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.faq-item {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.02);
  overflow: hidden;
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  position: relative;
  padding: 18px 52px 18px 22px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.5;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 22px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted);
  font-size: 20px;
  transition: transform 0.2s ease;
}
.faq-item[open] summary::after {
  transform: translateY(-50%) rotate(45deg);
}
.faq-item .faq-answer {
  margin: 0;
  padding: 0 22px 20px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}
.faq-item .faq-answer strong {
  color: var(--text);
  font-weight: 600;
}
@media (max-width: 600px) {
  .faq-item summary {
    font-size: 15px;
    padding: 16px 46px 16px 18px;
  }
  .faq-item .faq-answer {
    padding: 0 18px 18px;
  }
}

/* ==========================================================================
   选型参考区块（中文决策词：多少钱 / 适合谁 / 怎么选）
   ========================================================================== */
.decision-copy {
  max-width: 780px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.decision-copy p {
  margin: 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--muted);
}
.decision-copy p strong {
  color: var(--text);
  font-weight: 600;
}
@media (max-width: 600px) {
  .decision-copy p {
    font-size: 14px;
  }
}