:root {
  --navy-950: #071730;
  --navy-900: #0c244a;
  --navy-850: #102f5d;
  --navy-700: #214778;
  --nav-solid: #0e305f;
  --slate-300: #b4c0d2;
  --slate-100: #e7edf6;
  --mist: #dfe4f3;
  --panel: #f7f8fc;
  --gold: #dfb05d;
  --gold-deep: #dfb05d;
  --ink: #0f1d33;
  --body: #455064;
  --border: rgba(8, 29, 63, 0.12);
  --shadow-lg: 0 28px 60px rgba(7, 23, 48, 0.18);
  --shadow-md: 0 18px 40px rgba(7, 23, 48, 0.12);
  --container: min(1180px, calc(100vw - 48px));
  --ease: 260ms ease;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  font-family: "Manrope", sans-serif;
  color: var(--ink);
  background: #ffffff;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
}

.container {
  width: var(--container);
  margin: 0 auto;
}

.page-shell {
  overflow: hidden;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 20;
  padding-top: env(safe-area-inset-top, 0);
  background: linear-gradient(
    180deg,
    rgba(14, 48, 95, 0.94) 0%,
    rgba(14, 48, 95, 0.88) 100%
  );
  border-bottom: 1px solid rgba(223, 176, 93, 0.28);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.06) inset;
  transition:
    background 0.38s ease,
    box-shadow 0.38s ease,
    backdrop-filter 0.38s ease,
    border-color 0.38s ease;
}

.site-header.is-scrolled {
  background: linear-gradient(
    180deg,
    rgba(5, 16, 36, 0.98) 0%,
    rgba(7, 23, 48, 0.96) 100%
  );
  border-bottom-color: rgba(223, 176, 93, 0.5);
  box-shadow:
    0 14px 40px rgba(2, 6, 18, 0.42),
    0 1px 0 rgba(255, 255, 255, 0.05) inset;
  backdrop-filter: blur(18px) saturate(1.08);
  -webkit-backdrop-filter: blur(18px) saturate(1.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  min-height: 76px;
}

.brand img {
  width: 100px;
  height: auto;
}

.site-nav {
  display: flex;
  align-items: center;
  align-self: stretch;
  gap: 30px;
  margin-left: auto;
}

.site-nav a,
.header-actions a,
.header-actions button {
  position: relative;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.92);
}

.site-nav a {
  display: inline-flex;
  align-items: center;
  height: 100%;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 3px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--ease);
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after,
.site-nav a.is-active::after {
  transform: scaleX(1);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.language-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 0;
  background: transparent;
  padding: 0;
  cursor: pointer;
  color: var(--gold) !important;
}

.lang-dropdown {
  position: relative;
}

.language-pill--dropdown {
  text-transform: none;
  letter-spacing: 0.05em;
}

.lang-dropdown__caret {
  display: inline-block;
  width: 0;
  height: 0;
  margin-left: 4px;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid currentColor;
  opacity: 0.88;
  transition: transform var(--ease);
}

.lang-dropdown.is-open .lang-dropdown__caret {
  transform: rotate(180deg);
}

.lang-dropdown__popover {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  min-width: 12rem;
  padding: 6px;
  border-radius: 10px;
  background: linear-gradient(180deg, rgba(14, 48, 95, 0.98), rgba(8, 28, 58, 0.98));
  border: 1px solid rgba(223, 176, 93, 0.38);
  box-shadow: 0 18px 44px rgba(4, 18, 40, 0.5);
  z-index: 50;
}

.lang-dropdown__option {
  display: block;
  width: 100%;
  text-align: left;
  padding: 10px 12px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: rgba(255, 255, 255, 0.92) !important;
  font-size: 13px !important;
  font-weight: 600 !important;
  letter-spacing: 0.02em !important;
  text-transform: none !important;
  cursor: pointer;
  transition: background var(--ease), color var(--ease);
}

/* [hidden] 的 display:none 会被上面的 display:block 盖掉，必须写回 */
.lang-dropdown__option[hidden] {
  display: none !important;
}

.lang-dropdown__option:hover,
.lang-dropdown__option:focus-visible {
  background: rgba(223, 176, 93, 0.16);
  color: var(--gold) !important;
  outline: none;
}

.lang-dropdown__option[aria-current="true"] {
  background: rgba(223, 176, 93, 0.24);
  color: var(--gold) !important;
}

.login-btn {
  padding: 9px 16px;
  color: var(--nav-solid) !important;
  background: var(--gold);
  box-shadow: 0 10px 24px rgba(223, 176, 93, 0.28);
}

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

.menu-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: #fff;
}

.hero {
  position: relative;
  min-height: 680px;
  padding: 132px 0 116px;
  color: #fff;
  background:
    linear-gradient(90deg, rgba(7, 23, 48, 0.92) 0%, rgba(10, 36, 74, 0.88) 42%, rgba(10, 36, 74, 0.72) 100%),
    url("./背景.jpg") center/cover no-repeat;
}

.hero::before,
.hero::after {
  content: "";
  position: absolute;
  inset: auto;
  pointer-events: none;
}

.hero::before {
  top: 12%;
  right: -8%;
  width: 38vw;
  height: 38vw;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(120, 188, 255, 0.28), rgba(120, 188, 255, 0));
  filter: blur(10px);
  animation: pulseGlow 9s ease-in-out infinite;
}

.hero::after {
  left: -8%;
  bottom: 10%;
  width: 28vw;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.5), transparent);
  transform: rotate(-12deg);
  box-shadow: 0 0 32px rgba(255, 255, 255, 0.3);
}

.hero-backdrop {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), transparent 24%),
    radial-gradient(circle at 78% 34%, rgba(183, 221, 255, 0.22), transparent 26%);
  mix-blend-mode: screen;
  animation: drift 16s linear infinite alternate;
}

.hero-globe {
  position: absolute;
  top: 56%;
  right: max(2.5vw, 8px);
  z-index: 1;
  width: clamp(240px, 31vw, 470px);
  aspect-ratio: 1;
  transform: translateY(-50%);
  pointer-events: none;
  animation: heroGlobeFloat 10s ease-in-out infinite;
}

.hero-globe::before {
  content: "";
  position: absolute;
  inset: -10%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(108, 176, 255, 0.34), rgba(108, 176, 255, 0));
  filter: blur(28px);
}

.hero-globe-orb {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background:
    radial-gradient(circle at 34% 32%, rgba(178, 225, 255, 0.16), transparent 22%),
    radial-gradient(circle at 64% 66%, rgba(4, 22, 48, 0.34), transparent 44%),
    linear-gradient(135deg, rgba(14, 46, 92, 0.96), rgba(8, 28, 58, 0.94));
  box-shadow:
    0 0 40px rgba(120, 188, 255, 0.18),
    inset 18px -16px 36px rgba(4, 20, 44, 0.28),
    inset -10px 14px 24px rgba(179, 226, 255, 0.18);
  overflow: hidden;
  transform: translateZ(0);
  will-change: transform;
}

.hero-globe-orb::before {
  content: "";
  position: absolute;
  inset: -4% -22%;
  border-radius: 50%;
  background-image: url("./背景.jpg");
  background-repeat: no-repeat;
  background-size: cover;
  background-position: 100% 50%;
  opacity: 0.96;
  filter: saturate(0.95) brightness(1.02);
  transform: translate3d(0, 0, 0) scale(1.03);
  will-change: transform;
  animation: heroGlobeSurfaceDrift 24s cubic-bezier(0.42, 0, 0.58, 1) infinite alternate;
}

.hero-globe-orb::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background:
    radial-gradient(circle at 34% 32%, rgba(255, 255, 255, 0.22), rgba(255, 255, 255, 0) 26%),
    radial-gradient(circle at 68% 60%, rgba(1, 11, 26, 0.38), rgba(1, 11, 26, 0) 40%),
    linear-gradient(90deg, rgba(5, 15, 30, 0.22), rgba(255, 255, 255, 0.02) 44%, rgba(5, 15, 30, 0.26));
  mix-blend-mode: screen;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1240px;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--gold);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.eyebrow-hero {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 48px;
  font-size: 18px;
  letter-spacing: 0.06em;
}

.eyebrow-hero::before {
  content: "";
  width: 86px;
  height: 3px;
  background: var(--gold);
  flex: 0 0 auto;
}

.hero-title,
.section-heading h2,
.cta-copy h2 {
  margin: 0;
  font-family: "Cormorant Garamond", serif;
  font-weight: 600;
  line-height: 0.96;
}

.hero-title {
  /* 行高过小 + background-clip:text 会在 WebKit 中裁掉 g、p、y 等下伸部 */
  line-height: 1.28;
  font-size: clamp(2.6rem, 4vw, 4.35rem);
  max-width: none;
  white-space: nowrap;
  overflow: visible;
  color: #fcfcfc;
  background: linear-gradient(180deg, #fcfcfc 0%, #d9d9d8 52%, #b8b8ba 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  padding-bottom: 0.08em;
  margin-bottom: calc(54px - 0.08em);
}

.hero-copy,
.section-heading p,
.feature-body p,
.support-point p,
.advantage-card p,
.cta-copy p {
  color: rgba(255, 255, 255, 0.82);
  font-size: 16px;
  line-height: 1.8;
}

.hero-copy {
  max-width: 980px;
  margin: 0 0 68px;
  color: #cecac2;
  font-size: 18px;
  line-height: 1.78;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: flex-start;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 24px;
  border: 1px solid transparent;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  transition: transform var(--ease), box-shadow var(--ease), background var(--ease), color var(--ease), border-color var(--ease);
}

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

.btn-primary {
  color: #0e305f;
  background: #dfb05d;
  box-shadow: 0 18px 36px rgba(223, 176, 93, 0.28);
}

.btn-secondary,
.btn-ghost {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.32);
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(12px);
}

.btn-secondary:hover,
.btn-ghost:hover {
  border-color: rgba(255, 255, 255, 0.66);
  background: rgba(255, 255, 255, 0.1);
}

.quick-links {
  position: absolute;
  left: 50%;
  bottom: -52px;
  width: min(1160px, calc(100vw - 96px));
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-top: 0;
  background: #fff;
  transform: translateX(-50%);
  box-shadow: var(--shadow-lg);
}

.quick-links.reveal {
  transform: translateX(-50%) translateY(26px);
}

.quick-links.reveal.is-visible {
  transform: translateX(-50%) translateY(0);
}

.quick-card {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 102px;
  padding: 18px 22px;
  background: #fff;
  border-right: 1px solid rgba(7, 23, 48, 0.12);
  transition: transform var(--ease), background var(--ease);
}

.quick-card:last-child {
  border-right: 0;
}

.quick-card:hover {
  transform: translateY(-6px);
  background: #fff;
}

.quick-card-label {
  color: var(--gold-deep);
  font-family: "Cormorant Garamond", serif;
  font-size: 33px;
  line-height: 1;
  text-transform: uppercase;
}

.quick-card-copy {
  margin-top: 10px;
  color: var(--ink);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.section-pad {
  padding: 120px 0;
}

.support-section {
  position: relative;
  padding-top: 148px;
  padding-bottom: 24px;
  background: #fff;
  overflow: hidden;
}

.support-section::before {
  content: "";
  position: absolute;
  top: 132px;
  left: 50%;
  z-index: 0;
  width: min(620px, 48vw);
  height: 165px;
  background: url("./logo2.png") center/contain no-repeat;
  opacity: 1;
  transform: translateX(-50%);
  pointer-events: none;
  mix-blend-mode: multiply;
}

.support-section .container {
  position: relative;
  z-index: 1;
}

.section-heading {
  max-width: 860px;
}

.section-heading.centered {
  margin: 0 auto;
  text-align: center;
}

.section-heading h2 {
  font-size: clamp(2.25rem, 4vw, 4.15rem);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.section-heading p {
  margin: 18px auto 0;
  color: var(--body);
  max-width: 760px;
}

.support-heading {
  max-width: min(1400px, calc(100vw - 96px));
}

.support-heading .eyebrow {
  margin-bottom: 26px;
  color: #dfb05d;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.06em;
}

.support-heading h2 {
  max-width: 1360px;
  margin: 0 auto;
  color: #0e305f;
  font-family: "Manrope", sans-serif;
  font-size: clamp(1.9rem, 2.6vw, 2.95rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: 0.01em;
}

.support-title-line {
  display: block;
  white-space: nowrap;
}

.support-heading p {
  max-width: 1380px;
  margin-top: 32px;
  color: #a4a4a4;
  font-size: 18px;
  line-height: 1.7;
}

.support-grid {
  display: grid;
  grid-template-columns: minmax(400px, 0.88fr) minmax(0, 1.12fr);
  gap: 88px;
  align-items: start;
  margin-top: 72px;
}

.support-collage {
  position: relative;
  min-height: 620px;
}

.support-image {
  position: absolute;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  background: #fff;
}

.support-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 700ms ease;
}

.support-image:hover img {
  transform: scale(1.06);
}

.support-image.primary {
  top: 0;
  left: 0;
  width: 67%;
  aspect-ratio: 509 / 724;
}

.support-image.primary img {
  object-position: 34% center;
}

.support-image.secondary {
  top: 24%;
  right: -1%;
  width: 52%;
  aspect-ratio: 398 / 551;
  border: 9px solid #fff;
}

.support-image.secondary img {
  object-position: center center;
}

.support-points {
  display: grid;
  gap: 16px;
}

.support-point {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 16px;
  align-items: start;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(14, 48, 95, 0.2);
}

.support-number,
.feature-index {
  color: #dfb05d;
  font-family: "Cormorant Garamond", serif;
  font-size: 44px;
  font-weight: 700;
  line-height: 0.9;
}

.support-point h3,
.feature-body h3,
.advantage-card h3 {
  margin: 0 0 6px;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.025em;
  text-transform: uppercase;
}

.support-point h3 {
  color: #0e305f;
}

.support-point p {
  margin: 0;
  color: #a4a4a4;
  font-size: 15px;
  line-height: 1.45;
}

.infrastructure {
  background: linear-gradient(180deg, #dfe4f1 0%, #e8ecf6 100%);
}

.infra-heading {
  max-width: min(1320px, calc(100vw - 96px));
}

.infra-heading .eyebrow {
  margin-bottom: 24px;
  color: #dfb05d;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.06em;
}

.infra-heading h2 {
  max-width: 1080px;
  margin: 0 auto;
  color: #0e305f;
  font-family: "Manrope", sans-serif;
  font-size: clamp(2.2rem, 3.2vw, 3.65rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: 0.015em;
}

.infra-title-line {
  display: block;
  white-space: nowrap;
}

.infra-heading p {
  max-width: 1120px;
  margin-top: 32px;
  color: #a4a4a4;
  font-size: 18px;
  line-height: 1.65;
}

.feature-rail {
  display: grid;
  gap: 32px;
  margin-top: 72px;
}

.feature-card {
  display: grid;
  grid-template-columns: 44% 56%;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.feature-card.reverse {
  grid-template-columns: 56% 44%;
}

.feature-card.reverse .feature-media {
  order: 2;
}

.feature-card.reverse .feature-body {
  order: 1;
}

.feature-media {
  position: relative;
  overflow: hidden;
}

.feature-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(9, 22, 48, 0.18), transparent 48%);
}

.feature-card.reverse .feature-media::after {
  background: linear-gradient(270deg, rgba(9, 22, 48, 0.18), transparent 48%);
}

.feature-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 900ms ease;
}

.feature-card:hover .feature-media img {
  transform: scale(1.06);
}

.feature-body {
  padding: 24px 32px 20px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  gap: 10px;
}

.feature-title-wrap {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  min-height: 0;
}

.feature-index {
  color: #dfb05d;
  position: static;
  font-size: 84px;
  line-height: 1;
  display: inline-block;
  flex: 0 0 96px;
  margin-top: 0;
  transform: translateY(-34px);
}

.feature-body h3 {
  margin: 0;
  color: #0e305f;
  font-size: 20px;
  line-height: 1.08;
  letter-spacing: 0.03em;
  display: block;
}

.feature-title-line {
  display: block;
  min-height: 1.08em;
}

.feature-body p {
  margin: 0;
  color: #a4a4a4;
  font-size: 16px;
  line-height: 1.6;
  text-align: left;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 8px;
  justify-content: flex-start;
}

.tag-row span {
  padding: 11px 16px;
  border: 0;
  background: #dfb05d;
  color: #0e305f;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.advantage-section {
  position: relative;
  background: linear-gradient(180deg, #0d2a54 0%, #0a2244 100%);
}

.advantage-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 18% 12%, rgba(255, 255, 255, 0.08), transparent 20%),
    radial-gradient(circle at 82% 88%, rgba(255, 255, 255, 0.08), transparent 22%);
  pointer-events: none;
}

.section-heading.on-dark h2,
.section-heading.on-dark p {
  color: #fff;
}

.section-heading.on-dark h2 {
  font-size: clamp(2.2rem, 3.2vw, 3.65rem);
  line-height: 1.08;
  letter-spacing: 0.015em;
}

.section-heading.on-dark .eyebrow,
.section-heading.on-dark p {
  color: #a4a4a4;
}

.section-heading.on-dark .eyebrow {
  margin-bottom: 24px;
  color: #dfb05d;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.06em;
}

.section-heading.on-dark p {
  max-width: 1120px;
  margin-top: 32px;
  font-size: 18px;
  line-height: 1.65;
}

.adv-title-line {
  display: block;
  white-space: nowrap;
}

.adv-intro {
  width: max-content;
  max-width: 100%;
  margin-left: auto;
  margin-right: auto;
  white-space: nowrap;
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.advantage-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 60px;
}

.advantage-card {
  min-height: 246px;
  padding: 28px 24px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 24px 44px rgba(5, 14, 29, 0.16);
  transition: transform var(--ease), box-shadow var(--ease);
}

.advantage-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 30px 56px rgba(5, 14, 29, 0.22);
}

.brand-card {
  display: grid;
  place-items: center;
  background: var(--gold);
}

.brand-card img {
  width: min(100%, 188px);
}

.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-bottom: 18px;
  border-radius: 50%;
  color: #ffffff;
  background: #dfb05d;
  font-size: 26px;
  line-height: 1;
}

.advantage-card h3 {
  color: #223f69;
  font-size: 14px;
  line-height: 1.22;
  letter-spacing: 0.02em;
}

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

.advantage-card p {
  margin: 0;
  color: #a4a4a4;
  font-size: 13px;
  line-height: 1.5;
}

.cta-section {
  position: relative;
  background: url("./图6.png") center/cover no-repeat;
}

.cta-grid {
  position: relative;
  z-index: 1;
  min-height: 520px;
  display: grid;
  align-items: center;
}

.cta-copy {
  max-width: 540px;
}

.cta-section .cta-copy .eyebrow {
  margin-bottom: 20px;
  color: #dfb05d;
}

.cta-section .cta-copy h2 {
  margin: 0;
  color: #223f69;
  font-family: "Manrope", sans-serif;
  font-size: clamp(1.85rem, 2.8vw, 2.65rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.cta-section .cta-copy > p:not(.eyebrow) {
  margin: 20px 0 32px;
  color: #a4a4a4;
}

.cta-section .hero-actions {
  flex-direction: column;
  flex-wrap: nowrap;
  align-items: flex-start;
  gap: 14px;
}

.cta-section .hero-actions .btn {
  width: 60%;
  max-width: 60%;
  box-sizing: border-box;
}

.cta-section .btn-primary {
  color: #223f69;
  background: #dfb05d;
  border-color: transparent;
  box-shadow: 0 18px 36px rgba(223, 176, 93, 0.28);
}

.cta-section .btn-ghost {
  color: #dfb05d;
  border-color: #dfb05d;
  background: #f2f2f2;
  backdrop-filter: none;
}

.cta-section .btn-ghost:hover,
.cta-section .btn-ghost:focus-visible {
  color: #dfb05d;
  background: #e8e8e8;
  border-color: #dfb05d;
}

.site-footer {
  background: #1a1a1a;
  color: #8a8a8a;
  padding-top: 48px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 38px;
}

.footer-brand img {
  width: 122px;
}

.footer-heading {
  margin: 20px 0 14px;
  color: #dfb05d;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.footer-values {
  margin: 0;
  padding: 0;
  list-style: none;
  font-style: normal;
  font-size: 15px;
  line-height: 1.65;
  color: #a4a4a4;
}

.footer-title {
  margin: 0 0 18px;
  color: #8a8a8a;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.footer-col a {
  display: block;
  margin-bottom: 14px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #ffffff;
  transition: color var(--ease);
}

.footer-col a:hover,
.footer-col a:focus-visible {
  color: #dfb05d;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 0 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 13px;
  color: #8a8a8a;
}

.footer-bottom p {
  margin: 0;
  color: #8a8a8a;
}

.footer-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-meta a {
  color: #8a8a8a;
  font-size: 13px;
  transition: color var(--ease);
}

.footer-meta a:hover,
.footer-meta a:focus-visible {
  color: #a4a4a4;
}

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 700ms ease, transform 700ms ease;
}

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

@keyframes pulseGlow {
  0%,
  100% {
    transform: scale(1);
    opacity: 0.8;
  }

  50% {
    transform: scale(1.08);
    opacity: 1;
  }
}

@keyframes drift {
  0% {
    transform: translate3d(0, 0, 0) scale(1);
  }

  100% {
    transform: translate3d(-2%, 2%, 0) scale(1.04);
  }
}

@keyframes heroGlobeFloat {
  0%,
  100% {
    transform: translateY(-50%) translateX(0);
  }

  50% {
    transform: translateY(calc(-50% - 12px)) translateX(-8px);
  }
}

@keyframes heroGlobeSurfaceDrift {
  from {
    transform: translate3d(7%, 0, 0) scale(1.03);
  }

  to {
    transform: translate3d(-7%, 0, 0) scale(1.03);
  }
}

@media (max-width: 1080px) {
  /* 手机/平板：统一版心内边距 + 安全区，避免正文与按钮贴边 */
  .container {
    width: 100%;
    max-width: none;
    padding-left: max(22px, env(safe-area-inset-left, 0px));
    padding-right: max(22px, env(safe-area-inset-right, 0px));
    box-sizing: border-box;
  }

  .site-nav,
  .header-actions {
    display: none;
  }

  .menu-toggle {
    display: flex;
    margin-left: auto;
    margin-right: 0;
  }

  .adv-intro {
    width: 100%;
    max-width: 100%;
    margin-left: 0;
    margin-right: 0;
    box-sizing: border-box;
  }

  .site-header.is-menu-open {
    background: rgba(7, 23, 48, 0.94);
    backdrop-filter: blur(16px);
  }

  .site-header.is-menu-open .header-inner {
    align-items: flex-start;
    padding-top: 22px;
    padding-bottom: 22px;
  }

  .site-header.is-menu-open .site-nav,
  .site-header.is-menu-open .header-actions {
    display: flex;
    width: 100%;
    margin: 16px 0 0;
  }

  .site-header.is-menu-open .header-inner {
    flex-wrap: wrap;
  }

  .site-header.is-menu-open .site-nav {
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
  }

  .site-header.is-menu-open .header-actions {
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 14px;
  }

  .site-header.is-menu-open .site-nav a {
    padding: 12px 0;
    min-height: 44px;
    box-sizing: border-box;
    align-items: center;
  }

  .site-header.is-menu-open .login-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    width: 100%;
    box-sizing: border-box;
  }

  .site-header.is-menu-open .lang-dropdown {
    width: 100%;
  }

  .site-header.is-menu-open .language-pill--dropdown {
    width: 100%;
    justify-content: center;
    min-height: 48px;
  }

  .site-header.is-menu-open .lang-dropdown__popover {
    left: 0;
    right: 0;
    min-width: 0;
  }

  .support-grid {
    gap: 52px;
  }

  .hero {
    min-height: auto;
    padding-bottom: 140px;
  }

  .quick-links,
  .advantage-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .support-grid,
  .feature-card,
  .feature-card.reverse,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .feature-card.reverse .feature-media,
  .feature-card.reverse .feature-body {
    order: initial;
  }

  .feature-media {
    aspect-ratio: 16 / 9;
  }

  .support-collage {
    min-height: 520px;
  }

  .quick-links {
    position: relative;
    left: auto;
    bottom: auto;
    width: auto;
    margin-top: 72px;
    transform: none;
  }

  .quick-links.reveal {
    transform: translateY(26px);
  }

  .quick-links.reveal.is-visible {
    transform: translateY(0);
  }

  .support-section {
    padding-top: 120px;
  }
}

@media (max-width: 720px) {
  :root {
    --container: 100%;
  }

  .header-inner {
    min-height: 72px;
  }

  .brand img {
    width: 92px;
  }

  .hero {
    padding-top: max(96px, calc(env(safe-area-inset-top, 0px) + 80px));
    padding-bottom: 120px;
    background-position: 72% center;
  }

  .hero-content {
    width: 100%;
  }

  .hero-globe {
    right: -20px;
    width: clamp(160px, 36vw, 260px);
    opacity: 0.85;
  }

  .hero-title {
    font-size: clamp(1.7rem, 6.2vw, 2.45rem);
    line-height: 1.35;
    white-space: normal;
    overflow-wrap: break-word;
    hyphens: auto;
    padding-bottom: 0.12em;
    margin-bottom: calc(48px - 0.12em);
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }

  .hero-actions .btn {
    width: 100%;
    max-width: none;
    justify-content: center;
  }

  .hero-copy,
  .section-heading p,
  .feature-body p,
  .support-point p,
  .advantage-card p,
  .cta-copy p {
    font-size: 15px;
    line-height: 1.75;
  }

  .advantage-section .advantage-card p {
    font-size: 13px;
    line-height: 1.55;
  }

  .advantage-section .advantage-card h3 {
    font-size: 13px;
  }

  .eyebrow-hero {
    gap: 12px;
    margin-bottom: 22px;
    font-size: 14px;
  }

  .eyebrow-hero::before {
    width: 52px;
    height: 2px;
  }

  .quick-links,
  .advantage-grid {
    grid-template-columns: 1fr;
  }

  .advantage-grid {
    gap: 16px;
    margin-top: 44px;
  }

  .advantage-card {
    min-height: 0;
    padding: 22px 20px;
  }

  .adv-title-line {
    white-space: normal;
  }

  .quick-links {
    margin-top: 56px;
  }

  .quick-card {
    min-height: 86px;
    padding: 16px 18px;
    border-right: 0;
    border-bottom: 1px solid rgba(7, 23, 48, 0.12);
  }

  .quick-card-label {
    font-size: clamp(1.55rem, 6.5vw, 2rem);
  }

  .quick-card-copy {
    font-size: 10px;
    letter-spacing: 0.12em;
  }

  .quick-card:last-child {
    border-bottom: 0;
  }

  .section-pad {
    padding: 72px 0;
  }

  .support-section {
    padding-top: 96px;
    padding-bottom: 16px;
  }

  .section-heading h2 {
    font-size: clamp(1.65rem, 7vw, 2.35rem);
  }

  .section-heading.on-dark h2 {
    font-size: 2.05rem;
    line-height: 1.18;
  }

  .section-heading.on-dark .eyebrow {
    font-size: 12px;
    letter-spacing: 0.09em;
  }

  .section-heading.on-dark p {
    font-size: 14px;
    line-height: 1.6;
  }

  .support-section::before {
    top: 16px;
    width: min(88vw, 520px);
    height: 150px;
    opacity: 0.07;
  }

  .support-heading .eyebrow {
    margin-bottom: 18px;
    font-size: 15px;
  }

  .support-heading h2 {
    font-size: 1.85rem;
    line-height: 1.12;
  }

  .support-title-line {
    white-space: normal;
  }

  .support-heading p {
    margin-top: 22px;
    font-size: 15px;
    line-height: 1.75;
  }

  .infra-heading .eyebrow {
    margin-bottom: 18px;
    font-size: 15px;
  }

  .infra-heading h2 {
    font-size: 2.05rem;
    line-height: 1.12;
  }

  .infra-title-line {
    white-space: normal;
  }

  .infra-heading p {
    margin-top: 22px;
    font-size: 15px;
    line-height: 1.75;
  }

  .support-grid,
  .feature-rail {
    margin-top: 40px;
  }

  .support-grid {
    gap: 36px;
  }

  .support-collage {
    min-height: 340px;
  }

  .support-image.primary {
    width: 72%;
    height: 72%;
  }

  .support-image.secondary {
    width: 52%;
    height: 48%;
    border-width: 8px;
  }

  .support-point {
    grid-template-columns: 1fr;
  }

  .feature-body {
    padding: 24px 20px 22px;
  }

  .feature-body p {
    margin-top: 16px;
  }

  .feature-title-wrap {
    gap: 12px;
  }

  .feature-index {
    flex: 0 0 52px;
    font-size: 50px;
    transform: translateY(-4px);
  }

  .feature-body h3 {
    font-size: 17px;
  }

  .cta-grid {
    min-height: 0;
    padding: 40px 0 48px;
  }

  .cta-section .hero-actions .btn {
    width: 100%;
    max-width: none;
  }

  .site-footer {
    padding-top: 40px;
    padding-bottom: calc(20px + env(safe-area-inset-bottom, 0px));
  }

  .footer-grid {
    gap: 32px;
    padding-bottom: 28px;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
    padding-bottom: calc(20px + env(safe-area-inset-bottom, 0px));
  }

  .tag-row span {
    padding: 10px 14px;
    font-size: 11px;
  }
}

@media (max-width: 480px) {
  :root {
    --container: 100%;
  }

  .header-inner {
    min-height: 68px;
    gap: 12px;
  }

  .hero {
    padding-top: max(88px, calc(env(safe-area-inset-top, 0px) + 72px));
    padding-bottom: 104px;
  }

  .hero-title {
    font-size: clamp(1.55rem, 7.5vw, 2.05rem);
    line-height: 1.38;
    padding-bottom: 0.14em;
    margin-bottom: calc(36px - 0.14em);
  }

  .hero-copy {
    font-size: 15px;
    margin-bottom: 52px;
  }

  .eyebrow-hero {
    flex-wrap: wrap;
    margin-bottom: 18px;
    font-size: 12px;
    letter-spacing: 0.04em;
  }

  .section-pad {
    padding: 64px 0;
  }

  .support-heading h2,
  .infra-heading h2 {
    font-size: 1.65rem;
  }

  .section-heading.on-dark h2 {
    font-size: 1.75rem;
  }

  .support-number {
    font-size: 32px;
  }

  .support-point {
    grid-template-columns: 52px 1fr;
    gap: 12px;
  }
}