/* —— Design tokens —— */
:root {
  --color-bg: #f7f9fc;
  --color-surface: #ffffff;
  --color-text: #0b1220;
  --color-ink: #0b1220;
  --color-muted: #445268;
  --color-border: rgba(11, 18, 32, 0.12);
  --color-accent: #0b1f44; /* Corporate navy */
  --color-accent-hover: #08172f;
  --color-gold: #c8a24a; /* Premium accent */
  --color-hero-bg: #050b17;
  --color-hero-text: #f1f5f9;
  --font: "Noto Sans SC", system-ui, -apple-system, sans-serif;
  --radius: 14px;
  --shadow: 0 14px 44px rgba(5, 11, 23, 0.10);
  --shadow-soft: 0 10px 30px rgba(5, 11, 23, 0.06);
  --max-w: 1160px;
  /* 页头 / Logo 区域（供设计稿对色） */
  --header-bg: rgba(255, 255, 255, 0.85);
  --header-border: rgba(11, 18, 32, 0.1);
  --logo-tile-gradient: linear-gradient(150deg, #1f2b45 0%, #0b1220 55%, #070b14 100%);
  /* 渐变中提取的近似主色（需要单色时可用） */
  --logo-tile-solid: #0b1220;
  --cyan: #38bdf8;
  --glow-gold: rgba(200, 162, 74, 0.45);
  --font-display: "Outfit", "Noto Sans SC", system-ui, sans-serif;
}

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

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .hero-intro {
    opacity: 1;
    transform: none;
    filter: none;
    animation: none;
  }

  .hero-aurora,
  .hero-orb {
    animation: none !important;
  }

  .btn-glow:not(:hover) {
    animation: none;
  }

  .card:hover,
  .section-spotlight .card:hover,
  .cap-card:hover,
  .value-card:hover,
  .btn-primary:hover,
  .btn-ghost:hover,
  .nav-cta:hover {
    transform: none;
  }
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  padding-left: env(safe-area-inset-left, 0px);
  padding-right: env(safe-area-inset-right, 0px);
  background:
    radial-gradient(ellipse 120% 90% at 100% -30%, rgba(11, 31, 68, 0.07), transparent 55%),
    radial-gradient(ellipse 80% 70% at -15% 40%, rgba(200, 162, 74, 0.05), transparent 50%),
    var(--color-bg);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

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

a:hover {
  color: var(--color-accent-hover);
}

.container {
  width: min(100% - 2rem, var(--max-w));
  margin-inline: auto;
}

/* —— Header —— */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  padding-top: env(safe-area-inset-top, 0px);
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(18px) saturate(1.35);
  -webkit-backdrop-filter: blur(18px) saturate(1.35);
  border-bottom: 1px solid var(--header-border);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.65) inset;
}

.header-inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: auto;
  padding-block: 0.8rem;
  gap: 1rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  min-width: 0;
  flex: 1 1 auto;
  text-decoration: none;
  color: inherit;
}

.logo:hover {
  opacity: 0.94;
}

.logo:hover .logo-mark-gior {
  opacity: 0.88;
}

/* 页头标识：Gior 手写标 + 中英公司名（无深色圆角方块图标） */
.logo-mark-gior {
  flex-shrink: 0;
  display: block;
  height: clamp(22px, 5vw, 30px);
  width: auto;
  max-width: clamp(72px, 22vw, 104px);
  object-fit: contain;
  object-position: left center;
}

.logo-text-wrap {
  display: flex;
  flex-direction: column;
  gap: 0.12rem;
  min-width: 0;
  line-height: 1.22;
}

.logo-text {
  display: block;
  font-weight: 750;
  font-size: clamp(0.82rem, 2.4vw, 1.05rem);
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.logo-text-en {
  display: block;
  font-size: clamp(0.62rem, 1.8vw, 0.78rem);
  font-weight: 500;
  color: var(--color-muted);
  letter-spacing: 0.01em;
  line-height: 1.25;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 44px;
  height: 44px;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
}

.nav-toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  margin-inline: auto;
  background: var(--color-text);
  border-radius: 1px;
  transition: transform 0.2s, opacity 0.2s;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.site-nav {
  flex-shrink: 0;
}

.site-nav .nav-list {
  display: flex;
  align-items: center;
  gap: 0.25rem 1.75rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-lang {
  position: relative;
}

.lang-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  border-radius: 10px;
  border: 1px solid rgba(11, 18, 32, 0.12);
  background: rgba(255, 255, 255, 0.65);
  cursor: pointer;
  font-family: var(--font-display);
  color: var(--color-text);
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
  white-space: nowrap;
}

.lang-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 26px rgba(5, 11, 23, 0.12);
  background: rgba(255, 255, 255, 0.8);
}

.lang-label {
  opacity: 0.7;
  font-size: 0.875rem;
}

.lang-current {
  font-weight: 600;
  font-size: 0.875rem;
}

.lang-caret {
  width: 0.45rem;
  height: 0.45rem;
  border-right: 2px solid rgba(11, 18, 32, 0.55);
  border-bottom: 2px solid rgba(11, 18, 32, 0.55);
  transform: rotate(45deg) translateY(-1px);
  margin-left: 0.1rem;
}

.lang-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 0.55rem);
  min-width: 14rem;
  padding: 0.55rem;
  margin: 0;
  list-style: none;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(11, 18, 32, 0.12);
  box-shadow: 0 24px 56px rgba(5, 11, 23, 0.14);
  backdrop-filter: blur(16px) saturate(1.25);
  -webkit-backdrop-filter: blur(16px) saturate(1.25);
  display: none;
  z-index: 200;
}

.lang-menu.is-open {
  display: block;
}

.lang-menu button {
  width: 100%;
  text-align: left;
  padding: 0.7rem 0.75rem;
  border: 0;
  background: transparent;
  border-radius: 12px;
  cursor: pointer;
  font-family: var(--font-display);
  color: var(--color-text);
}

.lang-menu button:hover {
  background: rgba(11, 31, 68, 0.06);
}

.site-nav a {
  color: var(--color-text);
  font-weight: 500;
  font-size: 0.9375rem;
  font-family: var(--font-display);
}

.site-nav a:not(.nav-cta) {
  position: relative;
}

.site-nav a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-gold), rgba(56, 189, 248, 0.45), transparent);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
  border-radius: 2px;
  pointer-events: none;
}

.site-nav a:not(.nav-cta):hover::after {
  transform: scaleX(1);
}

.site-nav a:hover {
  color: var(--color-accent);
}

.nav-cta {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: linear-gradient(135deg, #0b1f44 0%, #132a58 100%);
  color: #fff !important;
  border-radius: 10px;
  box-shadow: 0 10px 26px rgba(11, 31, 68, 0.22), 0 0 0 1px rgba(200, 162, 74, 0.22);
  font-family: var(--font-display);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.nav-cta:hover {
  background: linear-gradient(135deg, #08172f 0%, #0f2248 100%);
  color: #fff !important;
  transform: translateY(-1px);
  box-shadow: 0 14px 32px rgba(11, 31, 68, 0.28), 0 0 0 1px rgba(200, 162, 74, 0.35);
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
    flex-shrink: 0;
    z-index: 2;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 0.75rem 1rem max(0.75rem, env(safe-area-inset-bottom, 0px));
    display: none;
    box-shadow: var(--shadow);
    max-height: min(72vh, 32rem);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
  }

  .site-nav.is-open {
    display: block;
  }

  .site-nav .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .site-nav .nav-list a {
    display: flex;
    align-items: center;
    min-height: 44px;
    padding: 0.5rem 0.75rem;
    border-radius: 8px;
    box-sizing: border-box;
  }

  .nav-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    text-align: center;
    margin-top: 0.5rem;
  }

  .nav-lang {
    margin-top: 0.5rem;
  }

  .lang-btn {
    width: 100%;
    justify-content: space-between;
    min-height: 48px;
    box-sizing: border-box;
  }

  .lang-menu {
    position: static;
    display: none;
    margin-top: 0.6rem;
  }

  .lang-menu.is-open {
    display: block;
  }

  .lang-menu button {
    min-height: 44px;
    box-sizing: border-box;
  }
}

/* —— Hero —— */
@keyframes hero-intro-up {
  from {
    opacity: 0;
    transform: translateY(32px);
    filter: blur(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
  }
}

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

@keyframes orb-drift {
  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }
  33% {
    transform: translate(3%, 4%) scale(1.05);
  }
  66% {
    transform: translate(-4%, 2%) scale(0.98);
  }
}

@keyframes btn-shimmer {
  0% {
    background-position: 200% 50%;
  }
  100% {
    background-position: -200% 50%;
  }
}

.hero {
  position: relative;
  color: var(--color-hero-text);
  padding: clamp(4.5rem, 14vw, 8.5rem) 0 clamp(4rem, 10vw, 6rem);
  overflow: hidden;
  min-height: min(88vh, 920px);
  display: flex;
  flex-direction: column;
  align-items: stretch;
}

.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  background:
    radial-gradient(120% 140% at 15% 25%, rgba(200, 162, 74, 0.16), transparent 58%),
    radial-gradient(90% 120% at 85% 15%, rgba(56, 189, 248, 0.12), transparent 55%),
    linear-gradient(180deg, #030712 0%, #070f22 45%, #050b17 100%);
}

.hero-aurora {
  position: absolute;
  inset: -35%;
  background: conic-gradient(
    from 200deg at 50% 50%,
    rgba(56, 189, 248, 0.12),
    transparent 28%,
    rgba(200, 162, 74, 0.12),
    transparent 55%,
    rgba(56, 189, 248, 0.08),
    transparent 80%
  );
  animation: aurora-spin 28s linear infinite;
  opacity: 0.85;
}

.hero-orbs {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  opacity: 0.55;
  animation: orb-drift 22s ease-in-out infinite;
}

.hero-orb:nth-child(1) {
  width: min(48vw, 460px);
  height: min(48vw, 460px);
  background: radial-gradient(circle, rgba(200, 162, 74, 0.38), transparent 68%);
  top: -12%;
  left: -8%;
}

.hero-orb:nth-child(2) {
  width: min(42vw, 400px);
  height: min(42vw, 400px);
  background: radial-gradient(circle, rgba(56, 189, 248, 0.22), transparent 70%);
  bottom: -18%;
  right: -10%;
  animation-delay: -7s;
}

.hero-orb:nth-child(3) {
  width: min(36vw, 320px);
  height: min(36vw, 320px);
  background: radial-gradient(circle, rgba(99, 102, 241, 0.18), transparent 72%);
  top: 35%;
  right: 12%;
  animation-delay: -12s;
}

.hero-bg::after {
  content: "";
  position: absolute;
  inset: -2px;
  background-image:
    linear-gradient(to right, rgba(241, 245, 249, 0.045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(241, 245, 249, 0.045) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(closest-side, rgba(0, 0, 0, 0.8), transparent 72%);
  opacity: 0.7;
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  width: 100%;
  flex: 1 1 auto;
  display: grid;
  gap: clamp(2rem, 5vw, 3.5rem);
  align-items: center;
  align-content: center;
  min-height: 0;
}

@media (min-width: 960px) {
  .hero-inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: clamp(2.5rem, 4vw, 4rem);
  }
}

.hero-copy {
  max-width: min(40rem, 100%);
  min-width: 0;
}

.hero-visual {
  justify-self: center;
  width: 100%;
  max-width: 528px;
  padding-bottom: clamp(0.5rem, 2vw, 1.25rem);
  min-width: 0;
}

.hero-visual-frame {
  position: relative;
  border-radius: calc(var(--radius) + 6px);
  overflow: hidden;
  border: 1px solid rgba(241, 245, 249, 0.12);
  box-shadow:
    0 22px 52px rgba(0, 0, 0, 0.4),
    0 0 0 1px rgba(200, 162, 74, 0.14);
  background: rgba(15, 23, 42, 0.45);
}

.hero-visual-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(155deg, rgba(5, 11, 23, 0.1) 0%, transparent 48%, rgba(200, 162, 74, 0.06) 100%);
  pointer-events: none;
}

.hero-visual-frame img {
  width: 100%;
  height: auto;
  aspect-ratio: 1024 / 686;
  object-fit: cover;
  /* 微调裁切：略强调车尾与路面动感，无旋转、无放大破框 */
  object-position: 56% 50%;
  display: block;
  opacity: 0.94;
}

@media (max-width: 959px) {
  .hero-visual {
    max-width: 420px;
    order: 1;
  }

  .hero-visual-frame img {
    object-position: 54% 48%;
  }

  .hero-copy {
    order: 2;
  }
}

.hero-intro {
  opacity: 0;
  animation: hero-intro-up 1s cubic-bezier(0.22, 1, 0.36, 1) forwards;
  animation-delay: calc(0.08s + var(--hero-i, 0) * 0.1s);
}

.hero-eyebrow {
  position: relative;
  margin: 0 0 1rem;
  font-size: clamp(1.05rem, 2.6vw, 1.3rem);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(241, 245, 249, 0.62);
  font-family: var(--font-display);
  padding-left: 1.1rem;
}

.hero-eyebrow::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.15em;
  bottom: 0.15em;
  width: 3px;
  border-radius: 3px;
  background: linear-gradient(180deg, var(--color-gold), rgba(56, 189, 248, 0.55));
  box-shadow: 0 0 14px rgba(200, 162, 74, 0.35);
}

.hero-slogan-cn {
  display: block;
  text-shadow: 0 0 22px rgba(200, 162, 74, 0.18);
}

.hero-slogan-en {
  display: block;
  margin-top: 0.35rem;
  font-size: clamp(0.78rem, 1.55vw, 0.95rem);
  letter-spacing: 0.08em;
  color: rgba(203, 213, 225, 0.66);
  text-transform: none;
}

.hero-title {
  margin: 0 0 1.25rem;
  font-size: clamp(2rem, 5.8vw, 3.45rem);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.035em;
  text-shadow: 0 0 80px rgba(56, 189, 248, 0.12);
}

.hero-title-line {
  display: block;
}

.hero-title-accent {
  background: linear-gradient(105deg, #f8fafc 12%, #e8d5a3 42%, #f1f5f9 78%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
}

@supports not ((-webkit-background-clip: text) or (background-clip: text)) {
  .hero-title-accent {
    color: #f8fafc;
    background: none;
  }
}

.hero-lead {
  margin: 0 0 2rem;
  font-size: clamp(1rem, 2vw, 1.125rem);
  color: rgba(203, 213, 225, 0.82);
  max-width: 38rem;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.hero-foot {
  position: relative;
  z-index: 1;
  flex: 0 0 auto;
  margin-top: clamp(1.25rem, 3vw, 2rem);
  padding-top: clamp(1.25rem, 3vw, 1.75rem);
  border-top: 1px solid rgba(241, 245, 249, 0.1);
}

.hero-trust {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.85rem 1.25rem;
}

@media (min-width: 640px) {
  .hero-trust {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .hero-trust {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem 1.5rem;
  }
}

.hero-trust li {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  font-size: clamp(0.8125rem, 1.35vw, 0.9rem);
  line-height: 1.45;
  color: rgba(203, 213, 225, 0.78);
}

.hero-trust-mark {
  flex-shrink: 0;
  width: 6px;
  height: 6px;
  margin-top: 0.42em;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-gold), rgba(56, 189, 248, 0.65));
  box-shadow: 0 0 12px rgba(200, 162, 74, 0.35);
}

.hero-trust-text {
  min-width: 0;
}

/* —— Buttons —— */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.5rem;
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: 12px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease, border-color 0.25s ease;
}

.btn-label {
  position: relative;
  z-index: 1;
}

.btn-primary {
  position: relative;
  background: linear-gradient(105deg, #0b1f44 0%, #152d5e 45%, #0b1f44 90%);
  background-size: 220% auto;
  color: #fff;
  box-shadow: 0 16px 36px rgba(5, 11, 23, 0.45), 0 0 0 1px rgba(200, 162, 74, 0.28);
}

.btn-primary:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 20px 44px rgba(5, 11, 23, 0.5), 0 0 0 1px rgba(200, 162, 74, 0.4);
}

.btn-glow {
  position: relative;
  overflow: hidden;
}

.btn-glow:not(:hover) {
  animation: btn-shimmer 5.5s ease-in-out infinite;
}

.btn-glow::after {
  content: "";
  position: absolute;
  inset: -40% -60%;
  z-index: 0;
  pointer-events: none;
  background: linear-gradient(
    105deg,
    transparent 30%,
    rgba(255, 255, 255, 0.12) 48%,
    transparent 62%
  );
  transform: translateX(-30%);
  transition: transform 0.6s ease;
}

.btn-glow:hover::after {
  transform: translateX(30%);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.05);
  color: var(--color-hero-text);
  border-color: rgba(241, 245, 249, 0.22);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  transform: translateY(-2px);
  border-color: rgba(241, 245, 249, 0.35);
}

.btn-block {
  width: 100%;
}

/* —— Sections —— */
.section {
  padding: clamp(3.5rem, 8vw, 5rem) 0;
}

.section-alt {
  background: var(--color-surface);
}

.section-head {
  text-align: center;
  max-width: 36rem;
  margin: 0 auto 2.5rem;
}

.section-kicker {
  margin: 0 0 0.35rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(11, 31, 68, 0.55);
  font-family: var(--font-display);
}

.section-head-left {
  text-align: left;
  margin-left: 0;
  margin-right: 0;
}

.section-head h2 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.5rem, 3vw, 1.875rem);
  font-weight: 750;
  letter-spacing: -0.02em;
  font-family: var(--font-display);
}

.section-sub {
  margin: 0;
  color: var(--color-muted);
  font-size: 1rem;
}

.section-head h2::after {
  content: "";
  display: block;
  width: 3rem;
  height: 3px;
  margin: 0.85rem auto 0;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-gold), rgba(56, 189, 248, 0.45), transparent);
}

.section-head-left h2::after {
  margin-left: 0;
  margin-right: auto;
}

/* 深色「聚光灯」区块 — 业务与服务 */
.section-spotlight {
  position: relative;
  color: rgba(226, 232, 240, 0.92);
  background:
    radial-gradient(ellipse 90% 70% at 50% -30%, rgba(56, 189, 248, 0.14), transparent 55%),
    radial-gradient(ellipse 70% 50% at 100% 50%, rgba(200, 162, 74, 0.08), transparent 50%),
    linear-gradient(180deg, #060b18 0%, #050914 45%, #04070f 100%);
  overflow: hidden;
}

.section-spotlight::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(248, 250, 252, 0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(248, 250, 252, 0.04) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(closest-side at 50% 30%, rgba(0, 0, 0, 0.55), transparent 85%);
  pointer-events: none;
  opacity: 0.9;
}

.section-spotlight .section-head h2 {
  color: #f8fafc;
}

.section-spotlight .section-head h2::after {
  background: linear-gradient(90deg, var(--color-gold), rgba(56, 189, 248, 0.55), transparent);
}

.section-spotlight .section-sub {
  color: rgba(203, 213, 225, 0.72);
}

.section-spotlight .card {
  position: relative;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.28), 0 1px 0 rgba(255, 255, 255, 0.06) inset;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.section-spotlight .card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 1.25rem;
  right: 1.25rem;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(200, 162, 74, 0.45), transparent);
  opacity: 0.85;
  pointer-events: none;
}

.section-spotlight .card:hover {
  border-color: rgba(200, 162, 74, 0.35);
  box-shadow: 0 28px 56px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(56, 189, 248, 0.12);
  transform: translateY(-4px);
}

.section-spotlight .card h3 {
  color: #f8fafc;
}

.section-spotlight .card p {
  color: rgba(203, 213, 225, 0.78);
}

.section-spotlight .card-icon {
  color: rgba(200, 162, 74, 0.95);
  font-family: var(--font-display);
}

/* 滚动显现 */
.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.85s cubic-bezier(0.22, 1, 0.36, 1), transform 0.85s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

.cards .reveal.is-visible:nth-child(1) {
  transition-delay: 0.04s;
}

.cards .reveal.is-visible:nth-child(2) {
  transition-delay: 0.1s;
}

.cards .reveal.is-visible:nth-child(3) {
  transition-delay: 0.16s;
}

.values-grid .reveal.is-visible:nth-child(1) {
  transition-delay: 0.05s;
}

.values-grid .reveal.is-visible:nth-child(2) {
  transition-delay: 0.11s;
}

.values-grid .reveal.is-visible:nth-child(3) {
  transition-delay: 0.17s;
}

.cap-grid .reveal.is-visible:nth-child(1) {
  transition-delay: 0.04s;
}

.cap-grid .reveal.is-visible:nth-child(2) {
  transition-delay: 0.1s;
}

.cap-grid .reveal.is-visible:nth-child(3) {
  transition-delay: 0.16s;
}

.cap-grid .reveal.is-visible:nth-child(4) {
  transition-delay: 0.22s;
}

/* —— About —— */
.about-layout {
  display: grid;
  gap: 2rem;
  align-items: start;
}

@media (min-width: 900px) {
  .about-layout {
    grid-template-columns: minmax(0, 1.08fr) minmax(300px, 0.4fr);
    gap: 2.75rem 3.25rem;
    align-items: stretch;
  }
}

.about-copy {
  position: relative;
  padding-left: 0;
}

@media (min-width: 900px) {
  .about-copy {
    padding-left: 1.4rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 100%;
  }

  .about-copy::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.15rem;
    bottom: 0.15rem;
    width: 3px;
    border-radius: 3px;
    background: linear-gradient(180deg, var(--color-gold), rgba(56, 189, 248, 0.45));
    box-shadow: 0 0 14px rgba(200, 162, 74, 0.22);
  }
}

.about-copy .about-lead {
  margin-bottom: 1.2rem;
  color: var(--color-text);
  font-size: 1.0625rem;
  font-weight: 600;
  line-height: 1.75;
}

.about-copy p {
  margin: 0 0 1.05rem;
  color: var(--color-muted);
  line-height: 1.72;
}

.about-copy p:last-child {
  margin-bottom: 0;
}

.about-copy strong {
  color: var(--color-text);
}

/* 右侧：单张卡片整合配图 + 要点，减少「图一块、白盒一块」的割裂感 */
.about-aside-card {
  border-radius: calc(var(--radius) + 2px);
  overflow: hidden;
  border: 1px solid rgba(11, 18, 32, 0.1);
  box-shadow: var(--shadow);
  background: var(--color-surface);
  height: fit-content;
}

@media (min-width: 900px) {
  .about-aside-card {
    position: sticky;
    top: 5.75rem;
  }
}

.about-aside .about-figure,
.about-aside-card .about-figure {
  margin: 0;
  border-radius: 0;
  overflow: hidden;
  border: none;
  box-shadow: none;
  background: #0b1220;
}

.about-figure img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
}

.about-aside .about-stats,
.about-aside-card .about-stats {
  margin: 0;
  padding: 1.35rem 1.4rem 1.45rem;
  background: linear-gradient(180deg, rgba(247, 249, 252, 0.98) 0%, var(--color-surface) 100%);
  border-radius: 0;
  box-shadow: none;
  border: none;
  border-top: 1px solid rgba(11, 18, 32, 0.07);
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (max-width: 899px) {
  .about-aside {
    order: -1;
  }
}

.about-stats {
  list-style: none;
}

.about-stats li {
  text-align: left;
  padding-bottom: 0.95rem;
  border-bottom: 1px solid rgba(11, 18, 32, 0.07);
}

.about-stats li:last-child {
  padding-bottom: 0;
  border-bottom: none;
}

.stat-value {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-accent);
}

.stat-label {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.8125rem;
  color: var(--color-muted);
  line-height: 1.45;
  word-break: keep-all;
  overflow-wrap: normal;
}

/* —— B2B / imagery strip —— */
.section-b2b {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.5) 0%, var(--color-bg) 100%);
}

.section-b2b .section-head {
  max-width: min(46rem, 100%);
}

/* 导语在 section-head 内；大屏下主区为「图 + 三卡」一行 */
.section-b2b .section-head .section-b2b-intro {
  max-width: 46rem;
  margin-inline: auto;
  margin-top: 0.25rem;
  margin-bottom: 0;
  color: var(--color-muted);
  font-size: 1.05rem;
  line-height: 1.75;
  text-align: center;
}

@media (max-width: 699px) {
  .section-b2b .section-head .section-b2b-intro {
    margin-left: 0;
    margin-right: 0;
    text-align: left;
  }
}

.b2b-grid {
  display: grid;
  gap: 1.75rem;
  align-items: start;
  margin-bottom: 2rem;
}

@media (min-width: 900px) and (max-width: 1099px) {
  .b2b-grid {
    grid-template-columns: minmax(0, 0.42fr) minmax(0, 1fr);
    gap: 2rem 2.75rem;
    align-items: stretch;
  }

  .b2b-figure {
    position: sticky;
    top: 5.75rem;
    align-self: start;
  }
}

/* 大屏：左图 + 右栏三卡（嵌套 grid）。不用 display:contents，避免部分环境下子项重叠、窄列文字竖排 */
@media (min-width: 1100px) {
  .b2b-grid {
    grid-template-columns: minmax(200px, 0.42fr) minmax(0, 1fr);
    gap: 1.5rem 2.25rem;
    align-items: stretch;
  }

  .b2b-list {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem 1.15rem;
    min-width: 0;
  }

  .b2b-figure {
    position: static;
    align-self: stretch;
    min-width: 0;
  }

  .b2b-figure img {
    width: 100%;
    height: 100%;
    min-height: 280px;
    max-height: 440px;
    aspect-ratio: auto;
    object-fit: cover;
  }
}

.b2b-figure {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow);
}

.b2b-figure img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  display: block;
}

.b2b-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

@media (min-width: 1000px) {
  .b2b-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem 1.1rem;
  }
}

@media (min-width: 700px) and (max-width: 999px) {
  .b2b-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .b2b-list li:last-child {
    grid-column: 1 / -1;
    max-width: 36rem;
    justify-self: center;
    width: 100%;
  }
}

.b2b-list li {
  display: flex;
  flex-direction: column;
  min-width: 0;
  height: 100%;
  padding: 1rem 1.1rem;
  background: var(--color-surface);
  border-radius: 12px;
  border: 1px solid rgba(11, 18, 32, 0.08);
  box-shadow: var(--shadow-soft);
}

.b2b-list strong {
  display: block;
  font-size: 0.9375rem;
  color: var(--color-accent);
  margin-bottom: 0.4rem;
  word-break: normal;
  overflow-wrap: anywhere;
}

.b2b-list span {
  flex: 1;
  font-size: 0.875rem;
  color: var(--color-muted);
  line-height: 1.55;
  word-break: normal;
  overflow-wrap: break-word;
}

.photo-strip {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: repeat(3, 1fr);
  margin-bottom: 0.75rem;
}

@media (max-width: 700px) {
  .photo-strip {
    grid-template-columns: 1fr;
  }
}

.photo-strip-item {
  margin: 0;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-soft);
}

.photo-strip-item img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

/* —— Capabilities —— */
.section-capabilities {
  background: linear-gradient(180deg, var(--color-bg) 0%, rgba(255, 255, 255, 0.65) 40%, var(--color-surface) 100%);
}

.cap-grid {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 768px) {
  .cap-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.35rem 1.5rem;
  }
}

@media (min-width: 1100px) {
  .cap-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1.5rem;
  }
}

.cap-card {
  position: relative;
  margin: 0;
  padding: 1.5rem 1.45rem 1.55rem;
  background: var(--color-surface);
  border-radius: calc(var(--radius) - 2px);
  border: 1px solid rgba(11, 18, 32, 0.08);
  box-shadow: 0 14px 36px rgba(5, 11, 23, 0.06), 0 1px 0 rgba(255, 255, 255, 0.9) inset;
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.35s ease, border-color 0.35s ease;
}

.cap-card:hover {
  transform: translateY(-3px);
  border-color: rgba(11, 31, 68, 0.14);
  box-shadow: 0 22px 48px rgba(5, 11, 23, 0.09), 0 0 0 1px rgba(200, 162, 74, 0.12);
}

.cap-card-icon {
  display: inline-block;
  margin-bottom: 0.85rem;
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--color-gold);
  font-family: var(--font-display);
}

.cap-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.0625rem;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-ink);
}

.cap-card p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--color-muted);
}

/* —— Process —— */
.section-process {
  background: var(--color-surface);
  border-block: 1px solid rgba(11, 18, 32, 0.06);
}

.process-track {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
  counter-reset: step;
}

@media (min-width: 900px) {
  .process-track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
    position: relative;
  }

  .process-track::before {
    content: "";
    position: absolute;
    left: 8%;
    right: 8%;
    top: 2.25rem;
    height: 2px;
    border-radius: 999px;
    background: linear-gradient(
      90deg,
      rgba(200, 162, 74, 0.35),
      rgba(56, 189, 248, 0.25),
      rgba(11, 31, 68, 0.08)
    );
    pointer-events: none;
  }
}

.process-step {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: start;
  padding: 1.15rem 1.2rem;
  background: linear-gradient(165deg, rgba(247, 249, 252, 0.95) 0%, rgba(255, 255, 255, 0.98) 100%);
  border-radius: var(--radius);
  border: 1px solid rgba(11, 18, 32, 0.07);
  box-shadow: var(--shadow-soft);
}

@media (min-width: 900px) {
  .process-step {
    display: block;
    padding: 1.35rem 1rem 1.5rem;
    margin-top: 0.5rem;
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid rgba(11, 18, 32, 0.06);
  }
}

.process-num {
  display: grid;
  place-items: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 800;
  font-family: var(--font-display);
  color: var(--color-accent);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.95) 0%, rgba(247, 249, 252, 0.9) 100%);
  border: 1px solid rgba(11, 18, 32, 0.08);
  box-shadow: 0 8px 20px rgba(5, 11, 23, 0.06);
}

@media (min-width: 900px) {
  .process-num {
    margin: 0 auto 1rem;
  }
}

.process-body h3 {
  margin: 0 0 0.35rem;
  font-size: 1rem;
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--color-ink);
}

.process-body p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--color-muted);
}

/* —— Quote band —— */
.section-quote {
  padding: clamp(3rem, 7vw, 4.25rem) 0;
  background:
    radial-gradient(ellipse 70% 80% at 15% 50%, rgba(200, 162, 74, 0.07), transparent 55%),
    radial-gradient(ellipse 60% 70% at 90% 30%, rgba(11, 31, 68, 0.06), transparent 50%),
    var(--color-bg);
}

.quote-block {
  margin: 0;
  padding: clamp(1.75rem, 4vw, 2.35rem) clamp(1.5rem, 4vw, 2.75rem);
  border-radius: calc(var(--radius) + 4px);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.92) 0%, rgba(247, 249, 252, 0.88) 100%);
  border: 1px solid rgba(11, 18, 32, 0.08);
  box-shadow: 0 20px 50px rgba(5, 11, 23, 0.07), 0 0 0 1px rgba(200, 162, 74, 0.1);
}

.quote-block blockquote {
  margin: 0;
  padding: 0;
}

.quote-block blockquote p {
  margin: 0;
  font-size: clamp(1.05rem, 2.2vw, 1.35rem);
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.45;
  letter-spacing: -0.02em;
  color: var(--color-ink);
}

.quote-block figcaption {
  margin-top: 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: rgba(11, 31, 68, 0.55);
  letter-spacing: 0.02em;
}

.section-sub-muted {
  margin-top: 0.5rem;
  font-size: 0.98rem;
  color: rgba(68, 82, 104, 0.92);
  max-width: 52rem;
  margin-left: auto;
  margin-right: auto;
}

.services-breadth {
  margin-top: 2.25rem;
}

.services-breadth-inner {
  padding: 1.5rem 1.35rem;
  border-radius: var(--radius);
  background: linear-gradient(
    145deg,
    rgba(255, 255, 255, 0.72) 0%,
    rgba(245, 248, 252, 0.88) 45%,
    rgba(255, 255, 255, 0.65) 100%
  );
  border: 1px solid rgba(11, 18, 32, 0.08);
  box-shadow: 0 14px 36px rgba(5, 11, 23, 0.05);
}

.breadth-title {
  margin: 0 0 0.65rem;
  font-size: 1.2rem;
  font-family: var(--font-display);
  color: var(--color-ink);
}

.breadth-lead,
.breadth-note {
  margin: 0 0 0.55rem;
  font-size: 0.95rem;
  line-height: 1.65;
  color: rgba(68, 82, 104, 0.94);
}

.breadth-note {
  margin-bottom: 0;
  font-size: 0.9rem;
  color: rgba(68, 82, 104, 0.88);
}

.breadth-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
}

.breadth-tags li {
  padding: 0.32rem 0.75rem;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 600;
  color: rgba(11, 31, 68, 0.88);
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid rgba(11, 18, 32, 0.08);
}

/* —— Cards —— */
.cards {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .cards {
    grid-template-columns: repeat(3, 1fr);
  }
}

.card {
  padding: 1.75rem;
  padding-top: 0;
  background: rgba(255, 255, 255, 0.78);
  border-radius: var(--radius);
  border: 1px solid rgba(11, 18, 32, 0.09);
  box-shadow: 0 18px 40px rgba(5, 11, 23, 0.06), 0 1px 0 rgba(255, 255, 255, 0.85) inset;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1), border-color 0.35s ease, box-shadow 0.35s ease;
  overflow: hidden;
}

.card-thumb {
  margin: 0 -1.75rem 1rem;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: rgba(11, 18, 32, 0.06);
}

.card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.section-spotlight .card {
  padding-top: 0;
}

.section-spotlight .card .card-thumb {
  margin: 0 -1.75rem 1rem;
}

.card:hover {
  border-color: rgba(11, 31, 68, 0.18);
  box-shadow: 0 26px 52px rgba(5, 11, 23, 0.1), 0 0 0 1px rgba(200, 162, 74, 0.12);
  transform: translateY(-4px);
}

.card-icon {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-gold);
  margin-bottom: 0.75rem;
  font-family: var(--font-display);
}

.card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.125rem;
  font-family: var(--font-display);
}

.card p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-muted);
}

/* —— Values —— */
.values-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

@media (min-width: 640px) {
  .values-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.value-card {
  margin: 0;
  padding: 1.5rem;
  background: rgba(255, 255, 255, 0.82);
  border-radius: var(--radius);
  border: 1px solid rgba(11, 18, 32, 0.09);
  box-shadow: 0 16px 36px rgba(5, 11, 23, 0.05);
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
}

.value-card:hover {
  transform: translateY(-3px);
  border-color: rgba(11, 31, 68, 0.14);
  box-shadow: 0 22px 48px rgba(5, 11, 23, 0.08), 0 0 0 1px rgba(56, 189, 248, 0.1);
}

.value-index {
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--color-gold);
  font-family: var(--font-display);
  margin-bottom: 0.15rem;
}

.value-card strong {
  font-size: 1rem;
  font-family: var(--font-display);
}

.value-desc {
  font-size: 0.9375rem;
  color: var(--color-muted);
}

/* —— Contact —— */
.section-cta {
  position: relative;
  background:
    radial-gradient(ellipse 80% 60% at 80% 100%, rgba(11, 31, 68, 0.06), transparent 55%),
    linear-gradient(180deg, var(--color-surface) 0%, rgba(247, 249, 252, 0.92) 50%, var(--color-bg) 100%);
}

.contact-grid {
  display: grid;
  gap: 2.5rem;
  max-width: min(44rem, 100%);
}

.contact-address {
  font-style: normal;
  margin: 1.5rem 0 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.contact-address p {
  display: grid;
  grid-template-columns: minmax(4.75rem, max-content) minmax(0, 1fr);
  column-gap: clamp(1rem, 3vw, 1.5rem);
  row-gap: 0.2rem;
  align-items: start;
  margin: 0;
  padding: 0.95rem 0;
  border-bottom: 1px solid rgba(11, 18, 32, 0.08);
  color: var(--color-muted);
}

.contact-address p:first-child {
  padding-top: 0;
}

.contact-address p:last-child {
  padding-bottom: 0;
  border-bottom: none;
}

.contact-address .label {
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: 0.02em;
  padding-top: 0.06em;
}

.contact-address .contact-value {
  line-height: 1.65;
}

.contact-address .contact-phone {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid rgba(11, 18, 32, 0.18);
  transition: border-color 0.15s ease, color 0.15s ease;
}

.contact-address .contact-phone:hover {
  color: var(--color-text);
  border-bottom-color: rgba(56, 189, 248, 0.55);
}

@media (max-width: 520px) {
  .contact-address p {
    grid-template-columns: 1fr;
    gap: 0.35rem;
    padding: 0.85rem 0;
  }

  .contact-address .label {
    padding-top: 0;
  }
}

/* —— Footer —— */
.site-footer {
  padding: 1.75rem 0 max(1.75rem, calc(env(safe-area-inset-bottom, 0px) + 0.5rem));
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: linear-gradient(180deg, #070d18 0%, #03060c 100%);
  position: relative;
}

.site-footer::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 80% at 20% 0%, rgba(56, 189, 248, 0.08), transparent 55%);
  pointer-events: none;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  position: relative;
  z-index: 1;
}

.footer-brand,
.footer-meta {
  margin: 0;
  font-size: 0.875rem;
  color: rgba(203, 213, 225, 0.72);
}

.footer-en {
  display: inline-block;
  margin-top: 0.35rem;
  font-size: 0.8125rem;
  color: rgba(148, 163, 184, 0.85);
  font-weight: 500;
}

.footer-meta a {
  color: rgba(203, 213, 225, 0.72);
  font-family: var(--font-display);
}

.footer-meta a:hover {
  color: var(--cyan);
}

/* 中文站版式：仅当 html lang 为 zh-CN / en / ja / ko 时启用；全局默认保持外语基线（1160 版心等） */
html:lang(zh-CN),
html:lang(en),
html:lang(ja),
html:lang(ko) {
  --max-w: 1140px;
  --section-pad-y: clamp(3.25rem, 7.5vw, 5.25rem);
  --copy-line: 1.8;
}

html:lang(zh-CN) body,
html:lang(en) body,
html:lang(ja) body,
html:lang(ko) body {
  font-size: clamp(1rem, 0.22vw + 0.97rem, 1.0625rem);
  line-height: var(--copy-line);
  letter-spacing: 0.01em;
}

html:lang(zh-CN) .container,
html:lang(en) .container,
html:lang(ja) .container,
html:lang(ko) .container {
  width: min(100% - clamp(1.25rem, 4.5vw, 2.25rem), var(--max-w));
}

html:lang(zh-CN) .section,
html:lang(en) .section,
html:lang(ja) .section,
html:lang(ko) .section {
  padding: var(--section-pad-y) 0;
}

html:lang(zh-CN) .section-head,
html:lang(en) .section-head,
html:lang(ja) .section-head,
html:lang(ko) .section-head {
  max-width: 44rem;
  margin-bottom: clamp(2rem, 4vw, 3rem);
}

html:lang(zh-CN) .section-b2b .section-head,
html:lang(en) .section-b2b .section-head,
html:lang(ja) .section-b2b .section-head,
html:lang(ko) .section-b2b .section-head {
  max-width: min(46rem, 100%);
}

html:lang(zh-CN) .section-head h2,
html:lang(en) .section-head h2,
html:lang(ja) .section-head h2,
html:lang(ko) .section-head h2 {
  font-size: clamp(1.625rem, 2.75vw, 2rem);
  letter-spacing: 0.02em;
  line-height: 1.28;
}

html:lang(zh-CN) .section-sub,
html:lang(en) .section-sub,
html:lang(ja) .section-sub,
html:lang(ko) .section-sub {
  font-size: 1.0625rem;
  line-height: 1.75;
}

html:lang(zh-CN) .section-sub-muted,
html:lang(en) .section-sub-muted,
html:lang(ja) .section-sub-muted,
html:lang(ko) .section-sub-muted {
  font-size: 1.02rem;
  line-height: 1.78;
  max-width: 48rem;
}

/* Hero（与中文一致） */
html:lang(zh-CN) .hero,
html:lang(en) .hero,
html:lang(ja) .hero,
html:lang(ko) .hero {
  padding: clamp(4rem, 12vw, 7.5rem) 0 clamp(3.5rem, 9vw, 5.5rem);
}

html:lang(zh-CN) .hero-title,
html:lang(en) .hero-title,
html:lang(ja) .hero-title,
html:lang(ko) .hero-title {
  letter-spacing: 0.02em;
  line-height: 1.2;
  font-size: clamp(2.05rem, 5.2vw, 3.2rem);
}

html:lang(zh-CN) .hero-eyebrow,
html:lang(en) .hero-eyebrow,
html:lang(ja) .hero-eyebrow,
html:lang(ko) .hero-eyebrow {
  letter-spacing: 0.08em;
  text-transform: none;
}

html:lang(zh-CN) .hero-lead,
html:lang(en) .hero-lead,
html:lang(ja) .hero-lead,
html:lang(ko) .hero-lead {
  font-size: clamp(1.05rem, 1.85vw, 1.2rem);
  line-height: 1.82;
  max-width: 42rem;
}

html:lang(zh-CN) .hero-copy,
html:lang(en) .hero-copy,
html:lang(ja) .hero-copy,
html:lang(ko) .hero-copy {
  max-width: min(42rem, 100%);
}

html:lang(zh-CN) .logo-text,
html:lang(en) .logo-text,
html:lang(ja) .logo-text,
html:lang(ko) .logo-text {
  letter-spacing: 0.01em;
}

html:lang(zh-CN) .site-nav a,
html:lang(en) .site-nav a,
html:lang(ja) .site-nav a,
html:lang(ko) .site-nav a {
  font-size: 1rem;
}

html:lang(zh-CN) .nav-cta,
html:lang(en) .nav-cta,
html:lang(ja) .nav-cta,
html:lang(ko) .nav-cta {
  padding: 0.55rem 1.1rem;
}

html:lang(zh-CN) .btn,
html:lang(en) .btn,
html:lang(ja) .btn,
html:lang(ko) .btn {
  font-size: 1rem;
  padding: 0.85rem 1.55rem;
}

html:lang(zh-CN) .about-layout,
html:lang(en) .about-layout,
html:lang(ja) .about-layout,
html:lang(ko) .about-layout {
  gap: clamp(1.75rem, 4vw, 2.75rem);
}

@media (min-width: 900px) {
  html:lang(zh-CN) .about-layout,
  html:lang(en) .about-layout,
  html:lang(ja) .about-layout,
  html:lang(ko) .about-layout {
    gap: 2.75rem 3.25rem;
  }
}

html:lang(zh-CN) .about-copy p,
html:lang(en) .about-copy p,
html:lang(ja) .about-copy p,
html:lang(ko) .about-copy p {
  font-size: 1.0625rem;
  line-height: 1.82;
  margin-bottom: 1.125rem;
}

html:lang(zh-CN) .about-copy .about-lead,
html:lang(en) .about-copy .about-lead,
html:lang(ja) .about-copy .about-lead,
html:lang(ko) .about-copy .about-lead {
  font-size: 1.125rem;
  line-height: 1.82;
  margin-bottom: 1.3rem;
}

html:lang(zh-CN) .stat-value,
html:lang(en) .stat-value,
html:lang(ja) .stat-value,
html:lang(ko) .stat-value {
  font-size: 1.625rem;
}

html:lang(zh-CN) .stat-label,
html:lang(en) .stat-label,
html:lang(ja) .stat-label,
html:lang(ko) .stat-label {
  font-size: 0.875rem;
  line-height: 1.55;
}

html:lang(zh-CN) .section-b2b .section-b2b-intro,
html:lang(en) .section-b2b .section-b2b-intro,
html:lang(ja) .section-b2b .section-b2b-intro,
html:lang(ko) .section-b2b .section-b2b-intro {
  font-size: 1.0625rem;
  line-height: 1.78;
}

html:lang(zh-CN) .b2b-list strong,
html:lang(en) .b2b-list strong,
html:lang(ja) .b2b-list strong,
html:lang(ko) .b2b-list strong {
  font-size: 1rem;
  line-height: 1.4;
}

html:lang(zh-CN) .b2b-list span,
html:lang(en) .b2b-list span,
html:lang(ja) .b2b-list span,
html:lang(ko) .b2b-list span {
  font-size: 1rem;
  line-height: 1.75;
}

html:lang(zh-CN) .card,
html:lang(en) .card,
html:lang(ja) .card,
html:lang(ko) .card {
  padding: 2rem;
  padding-top: 0;
}

html:lang(zh-CN) .card h3,
html:lang(en) .card h3,
html:lang(ja) .card h3,
html:lang(ko) .card h3 {
  font-size: 1.1875rem;
  line-height: 1.38;
}

html:lang(zh-CN) .card p,
html:lang(en) .card p,
html:lang(ja) .card p,
html:lang(ko) .card p {
  font-size: 1rem;
  line-height: 1.78;
}

html:lang(zh-CN) .section-spotlight .card p,
html:lang(en) .section-spotlight .card p,
html:lang(ja) .section-spotlight .card p,
html:lang(ko) .section-spotlight .card p {
  font-size: 1rem;
  line-height: 1.78;
  color: rgba(214, 222, 235, 0.88);
}

html:lang(zh-CN) .card-thumb,
html:lang(en) .card-thumb,
html:lang(ja) .card-thumb,
html:lang(ko) .card-thumb {
  margin: 0 -2rem 1rem;
}

html:lang(zh-CN) .section-spotlight .card .card-thumb,
html:lang(en) .section-spotlight .card .card-thumb,
html:lang(ja) .section-spotlight .card .card-thumb,
html:lang(ko) .section-spotlight .card .card-thumb {
  margin: 0 -2rem 1rem;
}

html:lang(zh-CN) .services-breadth-inner,
html:lang(en) .services-breadth-inner,
html:lang(ja) .services-breadth-inner,
html:lang(ko) .services-breadth-inner {
  padding: 1.65rem 1.5rem;
}

html:lang(zh-CN) .breadth-title,
html:lang(en) .breadth-title,
html:lang(ja) .breadth-title,
html:lang(ko) .breadth-title {
  font-size: 1.35rem;
  line-height: 1.35;
}

html:lang(zh-CN) .breadth-lead,
html:lang(en) .breadth-lead,
html:lang(ja) .breadth-lead,
html:lang(ko) .breadth-lead {
  font-size: 1.02rem;
  line-height: 1.78;
}

html:lang(zh-CN) .breadth-note,
html:lang(en) .breadth-note,
html:lang(ja) .breadth-note,
html:lang(ko) .breadth-note {
  font-size: 0.98rem;
  line-height: 1.72;
}

html:lang(zh-CN) .breadth-tags li,
html:lang(en) .breadth-tags li,
html:lang(ja) .breadth-tags li,
html:lang(ko) .breadth-tags li {
  font-size: 0.86rem;
}

html:lang(zh-CN) .value-card,
html:lang(en) .value-card,
html:lang(ja) .value-card,
html:lang(ko) .value-card {
  padding: 1.65rem 1.5rem;
  gap: 0.45rem;
}

html:lang(zh-CN) .value-card strong,
html:lang(en) .value-card strong,
html:lang(ja) .value-card strong,
html:lang(ko) .value-card strong {
  font-size: 1.0625rem;
  line-height: 1.35;
}

html:lang(zh-CN) .value-desc,
html:lang(en) .value-desc,
html:lang(ja) .value-desc,
html:lang(ko) .value-desc {
  font-size: 1rem;
  line-height: 1.75;
}

html:lang(zh-CN) .cap-card p,
html:lang(en) .cap-card p,
html:lang(ja) .cap-card p,
html:lang(ko) .cap-card p {
  font-size: 1rem;
  line-height: 1.78;
}

html:lang(zh-CN) .process-body p,
html:lang(en) .process-body p,
html:lang(ja) .process-body p,
html:lang(ko) .process-body p {
  font-size: 0.98rem;
  line-height: 1.75;
}

html:lang(zh-CN) .quote-block blockquote p,
html:lang(en) .quote-block blockquote p,
html:lang(ja) .quote-block blockquote p,
html:lang(ko) .quote-block blockquote p {
  font-size: clamp(1.12rem, 2.2vw, 1.42rem);
  line-height: 1.5;
}

html:lang(zh-CN) .contact-grid,
html:lang(en) .contact-grid,
html:lang(ja) .contact-grid,
html:lang(ko) .contact-grid {
  gap: clamp(2rem, 4vw, 3.25rem);
}

html:lang(zh-CN) .contact-address p,
html:lang(en) .contact-address p,
html:lang(ja) .contact-address p,
html:lang(ko) .contact-address p {
  font-size: 1.02rem;
  line-height: 1.72;
  padding: 1.05rem 0;
}

html:lang(zh-CN) .contact-address .contact-value,
html:lang(en) .contact-address .contact-value,
html:lang(ja) .contact-address .contact-value,
html:lang(ko) .contact-address .contact-value {
  line-height: 1.78;
}

html:lang(zh-CN) .contact-address .label,
html:lang(en) .contact-address .label,
html:lang(ja) .contact-address .label,
html:lang(ko) .contact-address .label {
  min-width: 4.75em;
}

html:lang(zh-CN) .footer-brand,
html:lang(zh-CN) .footer-meta,
html:lang(en) .footer-brand,
html:lang(en) .footer-meta,
html:lang(ja) .footer-brand,
html:lang(ja) .footer-meta,
html:lang(ko) .footer-brand,
html:lang(ko) .footer-meta {
  font-size: 0.9rem;
  line-height: 1.55;
}

html:lang(zh-CN) .footer-en,
html:lang(en) .footer-en,
html:lang(ja) .footer-en,
html:lang(ko) .footer-en {
  font-size: 0.84rem;
}

/* 英文 hero：拉丁标题行数多，略缩字号与行高，与右侧视觉块更平衡（不影响中/日/韩） */
html:lang(en) .hero-eyebrow {
  font-size: clamp(0.98rem, 2.35vw, 1.2rem);
}

html:lang(en) .hero-title {
  font-size: clamp(1.78rem, 4.35vw, 2.75rem);
  line-height: 1.16;
  letter-spacing: -0.01em;
}

html:lang(en) .hero-lead {
  font-size: clamp(1rem, 1.7vw, 1.12rem);
  line-height: 1.78;
}

html:lang(en) .hero-slogan-en {
  font-size: clamp(0.72rem, 1.4vw, 0.88rem);
}

/* —— 手机与小屏（≤639px）—— */
@media (max-width: 639px) {
  .container {
    width: min(100% - 1.25rem, var(--max-w));
  }

  html:lang(zh-CN) .container,
  html:lang(en) .container,
  html:lang(ja) .container,
  html:lang(ko) .container {
    width: min(100% - 1.25rem, var(--max-w));
  }

  .hero {
    min-height: 0;
    padding: clamp(3rem, 10vw, 4.25rem) 0 clamp(2.5rem, 8vw, 3.5rem);
  }

  .hero-inner {
    align-content: start;
    gap: 1.35rem;
  }

  .hero-eyebrow {
    margin-bottom: 0.75rem;
    font-size: clamp(0.82rem, 3.4vw, 1.05rem);
    padding-left: 0.95rem;
  }

  .hero-slogan-en {
    font-size: clamp(0.72rem, 3vw, 0.88rem);
  }

  .hero-title {
    font-size: clamp(1.45rem, 6.5vw, 2.05rem);
    line-height: 1.15;
    margin-bottom: 0.85rem;
  }

  .hero-lead {
    font-size: 0.9375rem;
    line-height: 1.7;
    margin-bottom: 1.25rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
    gap: 0.65rem;
  }

  .hero-actions .btn {
    width: 100%;
    min-height: 48px;
    box-sizing: border-box;
  }

  .hero-visual {
    max-width: min(100%, 380px);
    padding-bottom: 0.25rem;
  }

  .hero-foot {
    margin-top: 1rem;
    padding-top: 1rem;
  }

  .hero-trust {
    gap: 0.65rem 0.75rem;
  }

  .hero-trust li {
    font-size: 0.8125rem;
    line-height: 1.42;
  }

  .section-head {
    margin-bottom: 1.75rem;
  }

  .section-head h2 {
    font-size: clamp(1.35rem, 5vw, 1.65rem);
  }

  .section-sub {
    font-size: 0.9375rem;
  }

  .section-sub-muted {
    font-size: 0.92rem;
  }

  .section-quote {
    padding: clamp(2.25rem, 6vw, 3rem) 0;
  }

  .quote-block {
    padding: clamp(1.35rem, 4vw, 1.75rem) clamp(1rem, 4vw, 1.35rem);
  }

  html:lang(zh-CN) .hero,
  html:lang(en) .hero,
  html:lang(ja) .hero,
  html:lang(ko) .hero {
    padding: clamp(2.85rem, 9vw, 3.85rem) 0 clamp(2.25rem, 7vw, 3.15rem);
  }

  html:lang(zh-CN) .hero-title,
  html:lang(en) .hero-title,
  html:lang(ja) .hero-title,
  html:lang(ko) .hero-title {
    font-size: clamp(1.5rem, 6.2vw, 2.15rem);
    line-height: 1.18;
  }

  html:lang(zh-CN) .hero-lead,
  html:lang(en) .hero-lead,
  html:lang(ja) .hero-lead,
  html:lang(ko) .hero-lead {
    font-size: clamp(0.95rem, 3.8vw, 1.08rem);
  }

  html:lang(zh-CN) .hero-eyebrow,
  html:lang(en) .hero-eyebrow,
  html:lang(ja) .hero-eyebrow,
  html:lang(ko) .hero-eyebrow {
    font-size: clamp(0.88rem, 3.2vw, 1.08rem);
  }

  html:lang(zh-CN) .section,
  html:lang(en) .section,
  html:lang(ja) .section,
  html:lang(ko) .section {
    padding: clamp(2.35rem, 7vw, 3.25rem) 0;
  }

  html:lang(zh-CN) .section-head h2,
  html:lang(en) .section-head h2,
  html:lang(ja) .section-head h2,
  html:lang(ko) .section-head h2 {
    font-size: clamp(1.4rem, 4.8vw, 1.85rem);
  }

  html:lang(en) .hero-title {
    font-size: clamp(1.32rem, 5.6vw, 1.92rem);
    line-height: 1.14;
  }

  html:lang(en) .hero-lead {
    font-size: clamp(0.92rem, 3.5vw, 1.04rem);
  }

  html:lang(en) .hero-eyebrow {
    font-size: clamp(0.85rem, 3vw, 1rem);
  }
}

@media (max-width: 480px) {
  .logo {
    gap: 0.45rem;
    min-width: 0;
  }

  .logo-text-wrap {
    min-width: 0;
    overflow: hidden;
  }

  .logo-text,
  .logo-text-en {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: min(100%, 52vw);
  }
}

@media (max-width: 380px) {
  .logo-text-en {
    display: none;
  }

  .logo-text {
    max-width: min(100%, 62vw);
  }
}