/* ------------------------------------------------------------
   Qingela corporate website
   ------------------------------------------------------------ */

:root {
  --navy-950: #041221;
  --navy-900: #071a2f;
  --navy-850: #0a213a;
  --navy-800: #0d2947;
  --blue-600: #1972ad;
  --blue-500: #2793d1;
  --blue-300: #77c7ee;
  --gold-500: #d5ac62;
  --gold-400: #e3c27e;
  --ink-900: #10243a;
  --ink-700: #435469;
  --ink-600: #607083;
  --line: #dce4eb;
  --line-dark: rgba(255, 255, 255, 0.14);
  --paper: #ffffff;
  --soft: #f4f7f9;
  --container: 1180px;
  --header-height: 88px;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 28px;
  --shadow: 0 24px 70px rgba(7, 26, 47, 0.11);
  --transition: 220ms ease;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 24px);
}

body {
  margin: 0;
  color: var(--ink-900);
  background: var(--paper);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.menu-open {
  overflow: hidden;
}

::selection {
  color: var(--paper);
  background: var(--blue-600);
}

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

button,
a {
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

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

button {
  color: inherit;
  font: inherit;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  line-height: 1.25;
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

:focus-visible {
  outline: 3px solid var(--gold-400);
  outline-offset: 4px;
}

.container {
  width: min(calc(100% - 48px), var(--container));
  margin-inline: auto;
}

.section {
  padding-block: 118px;
}

.section-soft {
  background: var(--soft);
}

.section-dark {
  color: var(--paper);
  background: var(--navy-900);
}

.icon-sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 10px 18px;
  color: var(--navy-950);
  background: var(--gold-400);
  border-radius: var(--radius-sm);
  transform: translateY(-160%);
  transition: transform var(--transition);
}

.skip-link:focus {
  transform: translateY(0);
}

/* Header */
.site-header {
  position: fixed;
  z-index: 100;
  top: 0;
  right: 0;
  left: 0;
  color: var(--paper);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: background var(--transition), border-color var(--transition), box-shadow var(--transition), color var(--transition);
}

.site-header::before {
  position: absolute;
  z-index: -1;
  inset: 0;
  content: "";
  background: linear-gradient(to bottom, rgba(4, 18, 33, 0.75), transparent);
  pointer-events: none;
  transition: opacity var(--transition);
}

.site-header.is-scrolled,
.site-header.is-menu-open {
  color: var(--ink-900);
  border-color: rgba(16, 36, 58, 0.09);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 8px 30px rgba(7, 26, 47, 0.07);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}

.site-header.is-scrolled::before,
.site-header.is-menu-open::before {
  opacity: 0;
}

.header-inner {
  display: flex;
  min-height: var(--header-height);
  align-items: center;
  justify-content: space-between;
  gap: 36px;
}

.brand {
  display: inline-flex;
  min-width: 0;
  align-items: center;
  gap: 12px;
}

.brand-logo {
  display: block;
  width: 48px;
  height: 48px;
  flex: 0 0 auto;
  object-fit: contain;
  border-radius: 10px;
  filter: drop-shadow(0 5px 12px rgba(4, 18, 33, 0.14));
}

.brand-copy {
  display: flex;
  min-width: 0;
  flex-direction: column;
}

.brand-copy strong {
  overflow: hidden;
  font-size: 16px;
  font-weight: 650;
  letter-spacing: 0.06em;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.brand-copy small {
  margin-top: 1px;
  color: var(--blue-300);
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.18em;
  transition: color var(--transition);
}

.site-header.is-scrolled .brand-copy small,
.site-header.is-menu-open .brand-copy small {
  color: var(--blue-600);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.site-nav a {
  position: relative;
  padding: 31px 18px 29px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 14px;
  font-weight: 500;
  transition: color var(--transition);
}

.site-header.is-scrolled .site-nav a,
.site-header.is-menu-open .site-nav a {
  color: var(--ink-600);
}

.site-nav a::after {
  position: absolute;
  right: 18px;
  bottom: 21px;
  left: 18px;
  height: 2px;
  content: "";
  background: var(--gold-400);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition);
}

.site-nav a:hover,
.site-nav a.is-active,
.site-header.is-scrolled .site-nav a:hover,
.site-header.is-scrolled .site-nav a.is-active {
  color: var(--paper);
}

.site-header.is-scrolled .site-nav a:hover,
.site-header.is-scrolled .site-nav a.is-active {
  color: var(--ink-900);
}

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

.nav-toggle {
  display: none;
  width: 46px;
  height: 46px;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 23px;
  height: 1.5px;
  margin: 5px auto;
  background: currentColor;
  transition: transform var(--transition), opacity var(--transition);
}

/* Hero */
.hero {
  position: relative;
  display: flex;
  min-height: 860px;
  overflow: hidden;
  align-items: center;
  padding-top: calc(var(--header-height) + 60px);
  background:
    radial-gradient(circle at 75% 48%, rgba(24, 113, 172, 0.2), transparent 31%),
    linear-gradient(118deg, var(--navy-950) 0%, var(--navy-900) 52%, #0b2b49 100%);
}

.hero::before {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 41%;
  content: "";
  background: linear-gradient(110deg, rgba(39, 147, 209, 0.08), transparent 65%);
  clip-path: polygon(0 0, 100% 0, 68% 100%, 0 100%);
}

.hero-grid,
.cta-grid {
  position: absolute;
  inset: 0;
  opacity: 0.09;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.48) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.48) 1px, transparent 1px);
  background-size: 74px 74px;
  mask-image: linear-gradient(90deg, transparent, #000 35%, #000 80%, transparent);
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(2px);
  pointer-events: none;
}

.hero-glow-one {
  top: 10%;
  right: -12%;
  width: 480px;
  height: 480px;
  border: 1px solid rgba(119, 199, 238, 0.16);
  box-shadow: 0 0 100px rgba(39, 147, 209, 0.08) inset;
}

.hero-glow-two {
  bottom: -24%;
  left: 35%;
  width: 420px;
  height: 420px;
  border: 1px solid rgba(213, 172, 98, 0.1);
}

.hero-layout {
  position: relative;
  z-index: 2;
  display: grid;
  align-items: center;
  grid-template-columns: minmax(0, 1.02fr) minmax(420px, 0.98fr);
  gap: 48px;
}

.hero-content {
  padding-block: 48px 95px;
}

.eyebrow,
.section-kicker {
  margin-bottom: 25px;
  color: var(--blue-600);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.22em;
}

.eyebrow {
  display: flex;
  align-items: center;
  color: var(--blue-300);
}

.eyebrow span {
  display: inline-block;
  width: 34px;
  height: 1px;
  margin-right: 13px;
  background: var(--gold-400);
}

.hero h1 {
  max-width: 720px;
  margin-bottom: 30px;
  font-family: "Songti SC", "STSong", "SimSun", serif;
  font-size: clamp(50px, 5.4vw, 78px);
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1.18;
}

.hero h1 em {
  color: transparent;
  background: linear-gradient(90deg, var(--gold-400), #f2dfb4);
  -webkit-background-clip: text;
  background-clip: text;
  font-style: normal;
}

.hero-lead {
  max-width: 630px;
  margin-bottom: 38px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 18px;
  line-height: 1.9;
}

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

.button {
  display: inline-flex;
  min-height: 54px;
  align-items: center;
  justify-content: center;
  gap: 24px;
  padding: 13px 25px;
  border: 1px solid transparent;
  border-radius: 2px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  transition: color var(--transition), background var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.button svg,
.text-link svg {
  width: 20px;
  height: 20px;
  transition: transform var(--transition);
}

.button:hover,
.text-link:hover {
  transform: translateY(-2px);
}

.button:hover svg,
.text-link:hover svg {
  transform: translateX(4px);
}

.button-primary {
  color: var(--navy-950);
  background: linear-gradient(115deg, var(--gold-500), #ecd292);
  box-shadow: 0 10px 28px rgba(213, 172, 98, 0.16);
}

.button-primary:hover {
  background: linear-gradient(115deg, var(--gold-400), #f4dda5);
  box-shadow: 0 14px 32px rgba(213, 172, 98, 0.24);
}

.button-ghost {
  color: var(--paper);
  border-color: rgba(255, 255, 255, 0.27);
  background: rgba(255, 255, 255, 0.03);
}

.button-ghost:hover {
  border-color: rgba(255, 255, 255, 0.55);
  background: rgba(255, 255, 255, 0.07);
}

.hero-tags {
  display: flex;
  margin-top: 49px;
  gap: 0;
}

.hero-tags li {
  position: relative;
  padding: 0 22px;
  color: rgba(255, 255, 255, 0.48);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.hero-tags li:first-child {
  padding-left: 0;
}

.hero-tags li + li::before {
  position: absolute;
  top: 50%;
  left: 0;
  width: 2px;
  height: 2px;
  content: "";
  background: var(--gold-500);
  border-radius: 50%;
}

.trade-visual {
  position: relative;
  min-height: 540px;
}

.globe,
.orbit {
  position: absolute;
  top: 50%;
  left: 50%;
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.globe {
  width: min(31vw, 390px);
  height: min(31vw, 390px);
  overflow: hidden;
  border: 1px solid rgba(119, 199, 238, 0.52);
  background:
    radial-gradient(circle at 35% 28%, rgba(119, 199, 238, 0.17), transparent 28%),
    linear-gradient(145deg, rgba(39, 147, 209, 0.08), rgba(7, 26, 47, 0.22));
  box-shadow: 0 0 100px rgba(39, 147, 209, 0.11), inset 0 0 65px rgba(39, 147, 209, 0.1);
}

.globe::before,
.globe::after,
.globe-line,
.globe-axis {
  position: absolute;
  border: 1px solid rgba(119, 199, 238, 0.3);
  border-radius: 50%;
  content: "";
}

.globe::before {
  inset: -1px 27%;
}

.globe::after {
  inset: -1px 10%;
}

.globe-line {
  right: -10%;
  left: -10%;
  height: 34%;
}

.line-one {
  top: 18%;
}

.line-two {
  top: 33%;
  height: 34%;
}

.line-three {
  bottom: 18%;
}

.globe-axis {
  top: 50%;
  right: -2%;
  left: -2%;
  height: 1px;
  border: 0;
  border-top: 1px solid rgba(119, 199, 238, 0.42);
  border-radius: 0;
}

.map-line {
  position: absolute;
  opacity: 0.56;
  border: 1px solid rgba(227, 194, 126, 0.76);
  border-radius: 50% 45% 55% 42%;
  transform: rotate(-15deg);
}

.map-line-one {
  top: 29%;
  left: 17%;
  width: 38%;
  height: 26%;
  border-right-color: transparent;
  border-bottom-color: transparent;
}

.map-line-two {
  top: 42%;
  right: 17%;
  width: 34%;
  height: 32%;
  border-top-color: transparent;
  transform: rotate(24deg);
}

.map-line-three {
  bottom: 14%;
  left: 35%;
  width: 28%;
  height: 18%;
  border-left-color: transparent;
}

.orbit {
  border: 1px solid rgba(119, 199, 238, 0.16);
}

.orbit-outer {
  width: min(42vw, 530px);
  height: min(42vw, 530px);
  animation: orbit-spin 34s linear infinite;
}

.orbit-outer::before,
.orbit-middle::before {
  position: absolute;
  width: 7px;
  height: 7px;
  content: "";
  background: var(--gold-400);
  border-radius: 50%;
  box-shadow: 0 0 16px var(--gold-400);
}

.orbit-outer::before {
  top: 13%;
  right: 14%;
}

.orbit-middle {
  width: min(36vw, 455px);
  height: min(36vw, 455px);
  border-style: dashed;
  animation: orbit-spin-reverse 28s linear infinite;
}

.orbit-middle::before {
  bottom: 6%;
  left: 29%;
  width: 5px;
  height: 5px;
  background: var(--blue-300);
  box-shadow: 0 0 14px var(--blue-300);
}

.route-dot {
  position: absolute;
  width: 9px;
  height: 9px;
  background: var(--gold-400);
  border: 2px solid rgba(7, 26, 47, 0.8);
  border-radius: 50%;
  box-shadow: 0 0 0 5px rgba(213, 172, 98, 0.12), 0 0 16px var(--gold-500);
}

.route-dot-one {
  top: 34%;
  left: 29%;
}

.route-dot-two {
  top: 45%;
  right: 24%;
}

.route-dot-three {
  right: 38%;
  bottom: 29%;
  background: var(--blue-300);
  box-shadow: 0 0 0 5px rgba(119, 199, 238, 0.12), 0 0 16px var(--blue-300);
}

.visual-label {
  position: absolute;
  padding: 12px 17px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(4, 18, 33, 0.72);
  box-shadow: 0 10px 35px rgba(4, 18, 33, 0.25);
  -webkit-backdrop-filter: blur(9px);
  backdrop-filter: blur(9px);
}

.visual-label small,
.visual-label strong {
  display: block;
}

.visual-label small {
  margin-bottom: 2px;
  color: var(--gold-400);
  font-size: 8px;
  letter-spacing: 0.2em;
}

.visual-label strong {
  color: rgba(255, 255, 255, 0.78);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.09em;
}

.label-origin {
  bottom: 18%;
  left: 4%;
}

.label-global {
  top: 20%;
  right: 0;
}

.hero-foot {
  position: absolute;
  z-index: 2;
  right: 0;
  bottom: 35px;
  left: 0;
  display: flex;
  align-items: center;
  color: rgba(255, 255, 255, 0.25);
  font-size: 8px;
  letter-spacing: 0.28em;
}

.hero-foot-line {
  height: 1px;
  flex: 1;
  margin-inline: 20px;
  background: rgba(255, 255, 255, 0.1);
}

@keyframes orbit-spin {
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

@keyframes orbit-spin-reverse {
  to { transform: translate(-50%, -50%) rotate(-360deg); }
}

/* Shared headings */
.section-heading h2,
.advantages h2,
.cta h2 {
  margin-bottom: 0;
  font-family: "Songti SC", "STSong", "SimSun", serif;
  font-size: clamp(36px, 4vw, 54px);
  font-weight: 600;
  letter-spacing: -0.03em;
}

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

.section-kicker-light {
  color: var(--gold-400);
}

.heading-row {
  display: flex;
  margin-bottom: 60px;
  align-items: flex-end;
  justify-content: space-between;
  gap: 70px;
}

.heading-row > p {
  max-width: 520px;
  margin-bottom: 5px;
  color: var(--ink-600);
  line-height: 1.9;
}

.centered {
  max-width: 730px;
  margin-inline: auto;
  text-align: center;
}

.centered > p:last-child {
  margin: 22px 0 0;
  color: var(--ink-600);
}

/* About */
.about-layout {
  display: grid;
  grid-template-columns: minmax(300px, 0.8fr) minmax(0, 1.2fr);
  gap: 100px;
}

.about .section-heading {
  position: relative;
  padding-top: 6px;
}

.about .section-heading::after {
  position: absolute;
  top: 2px;
  right: -51px;
  width: 1px;
  height: 180px;
  content: "";
  background: var(--line);
}

.about-content {
  color: var(--ink-600);
}

.about-intro {
  margin-bottom: 22px;
  color: var(--ink-900);
  font-size: 21px;
  font-weight: 500;
  line-height: 1.8;
}

.about-content > p:not(.about-intro, .license-note) {
  line-height: 2;
}

.about-principles {
  display: grid;
  margin-top: 45px;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
}

.about-principles > div {
  padding: 28px 24px 0 0;
}

.about-principles > div + div {
  padding-left: 24px;
  border-left: 1px solid var(--line);
}

.about-principles span {
  display: block;
  margin-bottom: 16px;
  color: var(--blue-600);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 13px;
  font-style: italic;
}

.about-principles strong {
  display: block;
  margin-bottom: 8px;
  color: var(--ink-900);
  font-size: 17px;
}

.about-principles p {
  margin-bottom: 0;
  font-size: 13px;
  line-height: 1.75;
}

.license-note {
  margin: 38px 0 0;
  padding: 14px 18px;
  color: var(--ink-600);
  background: var(--soft);
  border-left: 3px solid var(--gold-500);
  font-size: 12px;
  line-height: 1.8;
}

/* Business */
.business-grid {
  display: grid;
  grid-auto-rows: minmax(255px, auto);
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.business-card {
  position: relative;
  display: flex;
  overflow: hidden;
  flex-direction: column;
  padding: 30px 28px;
  border: 1px solid #e1e8ee;
  background: var(--paper);
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.business-card::after {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 52px;
  height: 52px;
  content: "";
  border-right: 2px solid transparent;
  border-bottom: 2px solid transparent;
  transition: border-color var(--transition);
}

.business-card:hover {
  z-index: 2;
  border-color: rgba(39, 147, 209, 0.36);
  box-shadow: var(--shadow);
  transform: translateY(-5px);
}

.business-card:hover::after {
  border-color: var(--gold-500);
}

.business-card-featured {
  grid-row: span 2;
  color: var(--paper);
  border-color: transparent;
  background:
    linear-gradient(180deg, rgba(7, 26, 47, 0.04), rgba(7, 26, 47, 0.52)),
    radial-gradient(circle at 80% 20%, rgba(39, 147, 209, 0.24), transparent 35%),
    var(--navy-800);
}

.business-card-featured::before {
  position: absolute;
  right: -80px;
  bottom: -90px;
  width: 250px;
  height: 250px;
  content: "";
  opacity: 0.6;
  border: 1px solid rgba(119, 199, 238, 0.17);
  border-radius: 50%;
  box-shadow: 0 0 0 35px rgba(119, 199, 238, 0.035), 0 0 0 72px rgba(119, 199, 238, 0.025);
}

.card-index {
  position: absolute;
  top: 23px;
  right: 25px;
  color: #a8b3bd;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 11px;
  font-style: italic;
}

.business-card-featured .card-index {
  color: rgba(255, 255, 255, 0.36);
}

.card-icon {
  display: grid;
  width: 47px;
  height: 47px;
  margin-bottom: auto;
  place-items: center;
  color: var(--blue-600);
  background: #edf6fb;
  border-radius: 50%;
}

.card-icon svg {
  width: 24px;
  height: 24px;
}

.business-card-featured .card-icon {
  width: 58px;
  height: 58px;
  color: var(--gold-400);
  background: rgba(255, 255, 255, 0.08);
}

.business-card h3 {
  margin: 28px 0 12px;
  font-size: 20px;
  font-weight: 650;
}

.business-card p {
  margin-bottom: 0;
  color: var(--ink-600);
  font-size: 14px;
  line-height: 1.85;
}

.business-card-featured h3 {
  margin-top: 0;
  font-family: "Songti SC", "STSong", "SimSun", serif;
  font-size: 30px;
}

.business-card-featured p {
  color: rgba(255, 255, 255, 0.63);
}

.business-card-featured ul {
  position: relative;
  z-index: 1;
  display: flex;
  margin-top: 32px;
  flex-wrap: wrap;
  gap: 8px;
}

.business-card-featured li {
  padding: 6px 10px;
  color: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.14);
  font-size: 11px;
}

/* Advantages */
.advantages {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(115deg, var(--navy-950), var(--navy-900) 52%, #0b2945);
}

.advantages-pattern {
  position: absolute;
  top: -120px;
  left: -170px;
  width: 520px;
  height: 520px;
  opacity: 0.4;
  border: 1px solid rgba(119, 199, 238, 0.15);
  border-radius: 50%;
  box-shadow: 0 0 0 55px rgba(119, 199, 238, 0.018), 0 0 0 110px rgba(119, 199, 238, 0.012);
}

.advantages-layout {
  position: relative;
  display: grid;
  grid-template-columns: minmax(300px, 0.8fr) minmax(0, 1.2fr);
  gap: 105px;
}

.advantages-copy {
  padding-top: 8px;
}

.advantages-copy > p:not(.section-kicker) {
  max-width: 420px;
  margin: 28px 0 36px;
  color: rgba(255, 255, 255, 0.58);
  line-height: 1.9;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 24px;
  padding-bottom: 8px;
  color: var(--gold-400);
  border-bottom: 1px solid rgba(227, 194, 126, 0.36);
  font-size: 14px;
  transition: transform var(--transition), border-color var(--transition);
}

.advantage-list {
  border-top: 1px solid var(--line-dark);
}

.advantage-item {
  display: grid;
  min-height: 154px;
  align-items: center;
  padding-block: 30px;
  grid-template-columns: 55px 1fr auto;
  gap: 20px;
  border-bottom: 1px solid var(--line-dark);
}

.advantage-item > span {
  color: var(--gold-400);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 13px;
  font-style: italic;
}

.advantage-item h3 {
  margin-bottom: 10px;
  font-size: 20px;
  font-weight: 600;
}

.advantage-item p {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.52);
  font-size: 14px;
}

.advantage-item > svg {
  width: 27px;
  height: 27px;
  color: rgba(119, 199, 238, 0.52);
}

/* Cooperation */
.process-list {
  position: relative;
  display: grid;
  margin-top: 68px;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.process-list::before {
  position: absolute;
  top: 71px;
  right: 12.5%;
  left: 12.5%;
  height: 1px;
  content: "";
  background: linear-gradient(90deg, transparent, #cfd9e2 10%, #cfd9e2 90%, transparent);
}

.process-list li {
  position: relative;
  text-align: center;
}

.process-number {
  display: block;
  margin-bottom: 22px;
  color: var(--blue-600);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 12px;
  font-style: italic;
}

.process-icon {
  position: relative;
  z-index: 1;
  display: grid;
  width: 76px;
  height: 76px;
  margin: 0 auto 26px;
  place-items: center;
  color: var(--blue-600);
  border: 1px solid #cddde8;
  background: var(--paper);
  border-radius: 50%;
  box-shadow: 0 0 0 8px var(--paper);
  font-family: "Songti SC", "STSong", "SimSun", serif;
  font-size: 23px;
  transition: color var(--transition), background var(--transition), border-color var(--transition), transform var(--transition);
}

.process-list li:hover .process-icon {
  color: var(--paper);
  border-color: var(--blue-600);
  background: var(--blue-600);
  transform: translateY(-5px);
}

.process-list h3 {
  margin-bottom: 10px;
  font-size: 18px;
}

.process-list p {
  margin: 0;
  color: var(--ink-600);
  font-size: 13px;
}

/* CTA */
.cta {
  position: relative;
  overflow: hidden;
  padding-block: 92px;
  background:
    linear-gradient(105deg, rgba(7, 26, 47, 0.97), rgba(11, 56, 88, 0.93)),
    var(--navy-900);
}

.cta::after {
  position: absolute;
  top: -110%;
  right: 8%;
  width: 530px;
  height: 530px;
  content: "";
  border: 1px solid rgba(227, 194, 126, 0.15);
  border-radius: 50%;
  box-shadow: 0 0 0 70px rgba(227, 194, 126, 0.025), 0 0 0 140px rgba(227, 194, 126, 0.018);
}

.cta-grid {
  opacity: 0.04;
  background-size: 60px 60px;
}

.cta-inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 70px;
}

.cta h2 {
  font-size: clamp(38px, 4.5vw, 58px);
}

.cta-side {
  width: min(100%, 410px);
}

.cta-side p {
  margin-bottom: 26px;
  color: rgba(255, 255, 255, 0.62);
}

/* Footer */
.site-footer {
  color: rgba(255, 255, 255, 0.62);
  background: var(--navy-950);
}

.footer-main {
  display: grid;
  min-height: 155px;
  align-items: center;
  grid-template-columns: 1fr auto 1fr;
  gap: 30px;
}

.brand-footer {
  color: var(--paper);
}

.footer-company {
  margin: 0;
  font-size: 13px;
  text-align: center;
}

.footer-nav {
  display: flex;
  justify-content: flex-end;
  gap: 25px;
}

.footer-nav a {
  font-size: 12px;
  transition: color var(--transition);
}

.footer-nav a:hover,
.icp-link:hover {
  color: var(--gold-400);
}

.footer-bottom {
  display: flex;
  min-height: 64px;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.4);
  font-size: 12px;
}

.footer-bottom p {
  margin: 0;
}

.icp-link {
  padding-block: 8px;
  transition: color var(--transition);
}

.beian {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.beian img {
  width: 16px;
  height: 16px;
}

.beian a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition);
}

.beian a:hover {
  color: var(--gold-400);
}

/* Motion */
.js .reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 700ms ease, transform 700ms cubic-bezier(0.22, 1, 0.36, 1);
}

.js .reveal.is-visible {
  opacity: 1;
  transform: none;
}

.business-grid .reveal:nth-child(2),
.process-list .reveal:nth-child(2) {
  transition-delay: 70ms;
}

.business-grid .reveal:nth-child(3),
.process-list .reveal:nth-child(3) {
  transition-delay: 140ms;
}

.business-grid .reveal:nth-child(4),
.process-list .reveal:nth-child(4) {
  transition-delay: 210ms;
}

.business-grid .reveal:nth-child(5) {
  transition-delay: 280ms;
}

.business-grid .reveal:nth-child(6) {
  transition-delay: 350ms;
}

.business-grid .reveal:nth-child(7) {
  transition-delay: 420ms;
}

/* Responsive */
@media (max-width: 1080px) {
  :root {
    --header-height: 78px;
  }

  .site-nav a {
    padding-inline: 12px;
  }

  .site-nav a::after {
    right: 12px;
    left: 12px;
  }

  .hero {
    min-height: 780px;
  }

  .hero-layout {
    grid-template-columns: minmax(0, 1.1fr) minmax(360px, 0.9fr);
    gap: 20px;
  }

  .about-layout,
  .advantages-layout {
    gap: 70px;
  }

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

  .business-card-featured {
    grid-column: span 1;
  }

  .footer-main {
    grid-template-columns: 1fr 1fr;
  }

  .footer-company {
    display: none;
  }
}

@media (max-width: 820px) {
  .container {
    width: min(calc(100% - 40px), var(--container));
  }

  .section {
    padding-block: 88px;
  }

  .nav-toggle {
    position: relative;
    z-index: 2;
    display: block;
  }

  .nav-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(6.5px) rotate(45deg);
  }

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

  .nav-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-6.5px) rotate(-45deg);
  }

  .site-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
  }

  .js .site-nav {
    position: absolute;
    top: var(--header-height);
    right: 0;
    left: 0;
    visibility: hidden;
    max-height: calc(100vh - var(--header-height));
    max-height: calc(100dvh - var(--header-height));
    overflow-y: auto;
    overscroll-behavior: contain;
    padding: 18px 20px 28px;
    color: var(--ink-900);
    border-top: 1px solid var(--line);
    background: var(--paper);
    box-shadow: 0 22px 35px rgba(7, 26, 47, 0.12);
    opacity: 0;
    transform: translateY(-12px);
    transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
  }

  .js .site-nav.is-open {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
  }

  .site-nav a,
  .site-header.is-menu-open .site-nav a {
    padding: 15px 18px;
    color: var(--ink-700);
  }

  .site-nav a::after {
    right: auto;
    bottom: 9px;
    left: 18px;
    width: 24px;
  }

  .site-header.is-menu-open .site-nav a:hover,
  .site-header.is-menu-open .site-nav a.is-active {
    color: var(--ink-900);
  }

  .hero {
    min-height: auto;
    padding-block: calc(var(--header-height) + 62px) 85px;
  }

  .hero-layout {
    grid-template-columns: 1fr;
  }

  .hero-content {
    position: relative;
    z-index: 2;
    max-width: 680px;
    padding: 20px 0 0;
  }

  .trade-visual {
    position: absolute;
    top: 50%;
    right: -30%;
    width: 70%;
    min-height: 460px;
    opacity: 0.42;
    transform: translateY(-50%);
  }

  .globe {
    width: 330px;
    height: 330px;
  }

  .orbit-outer {
    width: 430px;
    height: 430px;
  }

  .orbit-middle {
    width: 380px;
    height: 380px;
  }

  .visual-label,
  .hero-foot {
    display: none;
  }

  .about-layout,
  .advantages-layout {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .about .section-heading::after {
    display: none;
  }

  .heading-row {
    align-items: flex-start;
    flex-direction: column;
    gap: 25px;
  }

  .business-grid {
    grid-auto-rows: auto;
    grid-template-columns: repeat(2, 1fr);
  }

  .business-card {
    min-height: 260px;
  }

  .business-card-featured {
    min-height: 360px;
    grid-column: span 2;
    grid-row: auto;
  }

  .advantages-copy > p:not(.section-kicker) {
    max-width: 620px;
  }

  .process-list {
    grid-template-columns: repeat(2, 1fr);
    row-gap: 52px;
  }

  .process-list::before {
    display: none;
  }

  .cta-inner {
    align-items: flex-start;
    flex-direction: column;
    gap: 35px;
  }

  .footer-main {
    padding-block: 40px;
    grid-template-columns: 1fr;
  }

  .footer-nav {
    justify-content: flex-start;
  }
}

@media (max-width: 560px) {
  :root {
    --header-height: 70px;
  }

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

  .section {
    padding-block: 72px;
  }

  .brand-logo {
    width: 42px;
    height: 42px;
    border-radius: 8px;
  }

  .brand-copy strong {
    font-size: 14px;
  }

  .brand-copy small {
    font-size: 7px;
  }

  .site-nav {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-block: calc(var(--header-height) + 55px) 70px;
  }

  .hero h1 {
    font-size: clamp(42px, 13vw, 58px);
  }

  .hero-lead {
    font-size: 16px;
    line-height: 1.85;
  }

  .hero-actions,
  .button {
    width: 100%;
  }

  .hero-tags {
    margin-top: 36px;
    flex-wrap: wrap;
    gap: 10px 0;
  }

  .hero-tags li {
    padding-inline: 15px;
  }

  .hero-tags li:first-child {
    padding-left: 0;
  }

  .trade-visual {
    right: -70%;
    width: 105%;
    opacity: 0.3;
  }

  .section-heading h2,
  .advantages h2,
  .cta h2 {
    font-size: 36px;
  }

  .about-intro {
    font-size: 18px;
  }

  .about-principles {
    grid-template-columns: 1fr;
  }

  .about-principles > div,
  .about-principles > div + div {
    padding: 22px 0;
    border-bottom: 1px solid var(--line);
    border-left: 0;
  }

  .about-principles > div:last-child {
    border-bottom: 0;
  }

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

  .business-card,
  .business-card-featured {
    min-height: 255px;
    grid-column: auto;
  }

  .business-card-featured {
    min-height: 340px;
  }

  .advantage-item {
    grid-template-columns: 38px 1fr;
    gap: 10px;
  }

  .advantage-item > svg {
    display: none;
  }

  .process-list {
    grid-template-columns: 1fr;
  }

  .process-list li {
    display: grid;
    align-items: center;
    grid-template-columns: 58px 1fr;
    column-gap: 20px;
    text-align: left;
  }

  .process-number {
    display: none;
  }

  .process-icon {
    width: 58px;
    height: 58px;
    margin: 0;
    grid-row: span 2;
    font-size: 19px;
  }

  .process-list h3 {
    margin-bottom: 5px;
  }

  .footer-nav {
    display: grid;
    width: 100%;
    grid-template-columns: 1fr 1fr;
    gap: 12px 20px;
  }

  .footer-bottom {
    padding-block: 20px;
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .js .reveal {
    opacity: 1;
    transform: none;
  }
}