:root {
  --ink: #0a1322;
  --ink-soft: #263348;
  --muted: #657184;
  --muted-light: #8d98a8;
  --line: #e6ebf2;
  --line-strong: #d7dfea;
  --paper: #f6f8fb;
  --white: #ffffff;
  --blue: #1765ad;
  --blue-bright: #278bc6;
  --blue-deep: #0c315d;
  --blue-dark: #071b35;
  --brand-red: #b4004a;
  --shadow-sm: 0 10px 35px rgba(18, 45, 77, 0.07);
  --shadow-lg: 0 30px 80px rgba(17, 48, 84, 0.13);
  --radius-lg: 24px;
  --radius-md: 16px;
  --container: 1180px;
  --header-height: 78px;
}

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

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

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: "Inter", "SF Pro Display", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.nav-open {
  overflow: hidden;
}

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

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

button,
input,
select,
textarea {
  color: inherit;
  font: inherit;
}

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

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--blue-bright);
  outline-offset: 3px;
}

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

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

.skip-link {
  position: fixed;
  top: 12px;
  left: 50%;
  z-index: 1000;
  padding: 10px 18px;
  color: var(--white);
  background: var(--ink);
  border-radius: 8px;
  transform: translate(-50%, -160%);
  transition: transform 180ms ease;
}

.skip-link:focus {
  transform: translate(-50%, 0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(16px);
  transition: border-color 200ms ease, box-shadow 200ms ease;
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
  box-shadow: 0 12px 36px rgba(13, 36, 61, 0.05);
}

.header-inner {
  display: flex;
  align-items: center;
  height: 100%;
}

.brand {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  width: 218px;
}

.brand img {
  width: 100%;
  mix-blend-mode: multiply;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 34px;
  margin-left: auto;
  margin-right: 36px;
}

.desktop-nav a {
  position: relative;
  color: #445166;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.01em;
  transition: color 180ms ease;
}

.desktop-nav a::after {
  position: absolute;
  right: 0;
  bottom: -10px;
  left: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--brand-red), var(--blue));
  border-radius: 2px;
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 220ms ease;
}

.desktop-nav a:hover {
  color: var(--ink);
}

.desktop-nav a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-width: 116px;
  height: 42px;
  padding: 0 18px;
  color: var(--white);
  background: var(--ink);
  border: 1px solid var(--ink);
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  transition: background 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.header-cta svg,
.button svg,
.form-submit svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.6;
}

.header-cta:hover {
  background: var(--blue-deep);
  border-color: var(--blue-deep);
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 8px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 1.5px;
  margin: 4px auto;
  background: var(--ink);
  transition: transform 180ms ease;
}

.nav-toggle[aria-expanded="true"] span:first-child {
  transform: translateY(2.75px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-2.75px) rotate(-45deg);
}

.mobile-nav {
  display: none;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 76px 0 0;
}

.hero-grid-bg {
  position: absolute;
  top: -20px;
  right: -6%;
  width: 56%;
  height: 720px;
  background-image:
    linear-gradient(rgba(19, 91, 158, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(19, 91, 158, 0.055) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom left, #000 0%, transparent 74%);
  pointer-events: none;
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(6px);
  pointer-events: none;
}

.hero-glow-one {
  top: 70px;
  right: 8%;
  width: 380px;
  height: 380px;
  background: rgba(50, 151, 206, 0.08);
  filter: blur(50px);
}

.hero-glow-two {
  top: 420px;
  left: -140px;
  width: 280px;
  height: 280px;
  background: rgba(180, 0, 74, 0.035);
  filter: blur(70px);
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(440px, 0.94fr);
  align-items: center;
  gap: 64px;
  min-height: 575px;
}

.hero-copy {
  padding-bottom: 18px;
}

.eyebrow,
.section-kicker,
.contact-kicker {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.eyebrow {
  padding: 8px 13px;
  color: #31516f;
  background: #f4f8fc;
  border: 1px solid #e2ebf4;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.eyebrow-dot {
  width: 6px;
  height: 6px;
  background: var(--brand-red);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(180, 0, 74, 0.08);
}

.hero h1 {
  max-width: 720px;
  margin: 28px 0 24px;
  font-size: clamp(46px, 5.2vw, 70px);
  font-weight: 700;
  letter-spacing: -0.055em;
  line-height: 1.15;
}

.hero h1 span {
  color: transparent;
  background: linear-gradient(105deg, var(--brand-red) 5%, var(--blue) 48%, var(--blue-bright) 95%);
  -webkit-background-clip: text;
  background-clip: text;
}

.hero-lead {
  max-width: 620px;
  margin: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 38px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  height: 50px;
  padding: 0 24px;
  border-radius: 9px;
  font-size: 15px;
  font-weight: 600;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease, border-color 180ms ease;
}

.button-primary {
  color: var(--white);
  background: var(--blue-deep);
  box-shadow: 0 10px 24px rgba(11, 55, 105, 0.16);
}

.button-primary:hover {
  background: #0a294f;
  box-shadow: 0 14px 28px rgba(11, 55, 105, 0.22);
  transform: translateY(-2px);
}

.button-quiet {
  color: var(--ink-soft);
  background: var(--white);
  border: 1px solid var(--line-strong);
}

.button-quiet:hover {
  border-color: #b8c4d3;
  transform: translateY(-1px);
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 26px;
  margin-top: 32px;
}

.hero-points span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: #778396;
  font-size: 13px;
  font-weight: 500;
}

.hero-points svg {
  width: 15px;
  height: 15px;
  fill: none;
  stroke: var(--blue);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.6;
}

.hero-visual {
  position: relative;
  width: 100%;
  max-width: 520px;
  aspect-ratio: 1 / 1.02;
  margin-left: auto;
}

.stage-note {
  position: absolute;
  color: #97a4b5;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.2em;
}

.stage-note-top {
  top: 3px;
  right: 2px;
}

.system-card {
  position: absolute;
  top: 5%;
  right: 5%;
  bottom: 5%;
  left: 5%;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(248, 251, 255, 0.96), rgba(255, 255, 255, 0.99)),
    var(--white);
  border: 1px solid #e0e8f2;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.system-card::before {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(17, 88, 151, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(17, 88, 151, 0.045) 1px, transparent 1px);
  background-size: 28px 28px;
  content: "";
  mask-image: radial-gradient(circle at center, #000, transparent 78%);
  pointer-events: none;
}

.system-card-head,
.system-card-foot {
  position: relative;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  color: #728096;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 8px;
  font-weight: 600;
  letter-spacing: 0.12em;
}

.system-card-head {
  border-bottom: 1px solid rgba(221, 230, 240, 0.72);
}

.system-card-foot {
  margin-top: auto;
  border-top: 1px solid rgba(221, 230, 240, 0.72);
}

.system-status,
.running-state {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.system-status i,
.running-state i {
  width: 5px;
  height: 5px;
  background: #3ca57e;
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(60, 165, 126, 0.1);
}

.running-state {
  color: #388265;
}

.system-code {
  color: #a3adba;
}

.core-area {
  position: relative;
  width: min(78%, 330px);
  aspect-ratio: 1;
  margin: 25px auto 12px;
}

.core-orbit {
  position: absolute;
  border: 1px solid rgba(26, 104, 168, 0.16);
  border-radius: 50%;
}

.orbit-outer {
  inset: 0;
  animation: orbit-spin 26s linear infinite;
}

.orbit-outer::before,
.orbit-outer::after,
.orbit-inner::before,
.orbit-inner::after {
  position: absolute;
  width: 5px;
  height: 5px;
  background: #fff;
  border: 1px solid var(--blue);
  border-radius: 50%;
  content: "";
}

.orbit-outer::before {
  top: 48%;
  left: -3px;
}

.orbit-outer::after {
  top: 9%;
  right: 17%;
  border-color: var(--brand-red);
}

.orbit-inner {
  inset: 16%;
  border-style: dashed;
  border-color: rgba(27, 109, 176, 0.22);
  animation: orbit-spin-reverse 18s linear infinite;
}

.orbit-inner::before {
  right: 13%;
  bottom: 1%;
}

.orbit-inner::after {
  top: 3%;
  left: 23%;
}

.core-axis {
  position: absolute;
  top: 50%;
  left: 50%;
  opacity: 0.35;
  background: linear-gradient(90deg, transparent, #a8c7df, transparent);
}

.axis-x {
  width: 120%;
  height: 1px;
  transform: translate(-50%, -50%);
}

.axis-y {
  width: 1px;
  height: 120%;
  background: linear-gradient(transparent, #a8c7df, transparent);
  transform: translate(-50%, -50%);
}

.core-mark {
  position: absolute;
  top: 50%;
  left: 50%;
  display: grid;
  width: 42%;
  aspect-ratio: 1;
  place-items: center;
  overflow: hidden;
  background: var(--white);
  border: 1px solid rgba(216, 227, 239, 0.9);
  border-radius: 33%;
  box-shadow: 0 14px 35px rgba(21, 80, 130, 0.14);
  transform: translate(-50%, -50%) rotate(45deg);
}

.core-mark::after {
  position: absolute;
  inset: 7px;
  border: 1px solid rgba(25, 105, 170, 0.09);
  border-radius: 27%;
  content: "";
}

.core-mark img {
  width: 86%;
  mix-blend-mode: multiply;
  transform: rotate(-45deg) scale(1.1);
}

.core-node {
  position: absolute;
  z-index: 2;
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  color: #66829c;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid #dae5f0;
  border-radius: 9px;
  box-shadow: 0 7px 20px rgba(22, 64, 101, 0.08);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.node-one {
  top: 7%;
  left: 9%;
  color: var(--brand-red);
}

.node-two {
  top: 24%;
  right: -2%;
}

.node-three {
  right: 5%;
  bottom: 8%;
}

.node-four {
  bottom: 7%;
  left: 1%;
}

.capability-tags {
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  width: calc(100% - 44px);
  margin: 0 auto 18px;
}

.capability-tags span {
  padding: 8px 4px;
  color: #65768c;
  background: rgba(245, 249, 253, 0.82);
  border: 1px solid #e4ebf3;
  border-radius: 7px;
  text-align: center;
  font-size: 10px;
}

.float-card {
  position: absolute;
  z-index: 5;
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid #e2e9f2;
  border-radius: 12px;
  box-shadow: 0 18px 45px rgba(15, 54, 91, 0.14);
  backdrop-filter: blur(12px);
}

.float-card-security {
  bottom: 2%;
  left: -2%;
  gap: 12px;
  min-width: 218px;
  padding: 13px 15px;
}

.float-icon {
  display: grid;
  width: 38px;
  height: 38px;
  flex: 0 0 38px;
  place-items: center;
  color: var(--blue);
  background: #eef6fc;
  border-radius: 9px;
}

.float-icon svg {
  width: 21px;
  height: 21px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.45;
}

.float-card-security div:last-child {
  display: flex;
  flex-direction: column;
}

.float-card-security strong {
  color: var(--ink);
  font-size: 12px;
  font-weight: 650;
}

.float-card-security span {
  margin-top: 1px;
  color: #8693a4;
  font-size: 9px;
}

.float-card-delivery {
  top: 22%;
  right: -1%;
  flex-direction: column;
  align-items: flex-start;
  width: 116px;
  padding: 13px 15px;
}

.delivery-label {
  color: #9aa6b5;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 7px;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.delivery-bars {
  display: flex;
  gap: 3px;
  width: 100%;
  margin: 12px 0 8px;
}

.delivery-bars i {
  width: 16%;
  height: 4px;
  background: #e8eef5;
  border-radius: 4px;
}

.delivery-bars i:nth-child(-n+4) {
  background: linear-gradient(90deg, #256fa8, #3c9bca);
}

.float-card-delivery strong {
  color: var(--ink-soft);
  font-size: 11px;
  font-weight: 600;
}

.capability-strip {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 28px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.capability-item {
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 85px;
  padding: 0 26px;
  border-right: 1px solid var(--line);
}

.capability-item:first-child {
  padding-left: 0;
}

.capability-item:last-child {
  border-right: 0;
}

.capability-item span {
  color: #a2adba;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 10px;
  font-weight: 600;
}

.capability-item strong {
  color: #344258;
  font-size: 14px;
  font-weight: 600;
}

.section {
  padding: 118px 0;
}

.section-heading {
  display: grid;
  grid-template-columns: 1fr 0.8fr;
  align-items: end;
  gap: 72px;
  margin-bottom: 54px;
}

.section-kicker {
  margin-bottom: 17px;
  color: var(--blue);
}

.section-heading h2,
.about-copy h2 {
  margin: 0;
  font-size: clamp(34px, 4vw, 49px);
  font-weight: 700;
  letter-spacing: -0.045em;
  line-height: 1.28;
}

.section-heading > p {
  max-width: 430px;
  margin: 0 0 5px auto;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.9;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.service-card {
  position: relative;
  min-height: 380px;
  padding: 34px;
  overflow: hidden;
  background: var(--white);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  transition: background 220ms ease, box-shadow 220ms ease;
}

.service-card::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--brand-red), var(--blue-bright));
  content: "";
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 260ms ease;
}

.service-card::after {
  position: absolute;
  right: -76px;
  bottom: -86px;
  width: 220px;
  height: 220px;
  background: radial-gradient(circle, rgba(35, 122, 184, 0.06), transparent 65%);
  content: "";
  pointer-events: none;
}

.service-card:hover {
  z-index: 2;
  background: #fbfdff;
  box-shadow: 0 24px 60px rgba(15, 45, 78, 0.08);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 29px;
}

.service-icon {
  display: grid;
  width: 52px;
  height: 52px;
  place-items: center;
  color: var(--blue);
  background: #f2f7fb;
  border: 1px solid #e2ebf3;
  border-radius: 13px;
}

.service-icon svg {
  width: 27px;
  height: 27px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.4;
}

.service-index {
  color: #c0c8d3;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 11px;
  letter-spacing: 0.1em;
}

.service-card h3 {
  margin: 0 0 12px;
  font-size: 25px;
  font-weight: 650;
  letter-spacing: -0.025em;
}

.service-card > p {
  max-width: 460px;
  margin: 0 0 24px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.85;
}

.service-list {
  display: grid;
  gap: 8px;
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
}

.service-list li {
  position: relative;
  padding-left: 17px;
  color: #4f5e72;
  font-size: 13px;
}

.service-list li::before {
  position: absolute;
  top: 10px;
  left: 0;
  width: 5px;
  height: 5px;
  background: #85a9c7;
  border-radius: 50%;
  content: "";
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.service-tags span {
  padding: 4px 9px;
  color: #7b8797;
  background: #f7f9fb;
  border: 1px solid #ebeff4;
  border-radius: 4px;
  font-size: 10px;
}

.process-section {
  position: relative;
  overflow: hidden;
  color: var(--white);
  background: var(--blue-dark);
}

.process-section::before {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 54px 54px;
  content: "";
  mask-image: linear-gradient(90deg, transparent, #000 60%, #000);
}

.process-section::after {
  position: absolute;
  top: -240px;
  right: -100px;
  width: 620px;
  height: 620px;
  background: radial-gradient(circle, rgba(38, 137, 196, 0.17), transparent 65%);
  border-radius: 50%;
  content: "";
}

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

.section-heading-light .section-kicker {
  color: #6cc4ed;
}

.section-heading-light h2 {
  color: var(--white);
}

.section-heading-light > p {
  color: #91a3b8;
}

.process-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-top: 64px;
  border-top: 1px solid rgba(255, 255, 255, 0.11);
}

.process-step {
  position: relative;
  padding: 38px 34px 10px 0;
}

.process-step + .process-step {
  padding-left: 34px;
}

.process-step + .process-step::before {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 1px;
  background: rgba(255, 255, 255, 0.09);
  content: "";
}

.process-number {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  margin-bottom: 40px;
  color: #67b9e7;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 11px;
  letter-spacing: 0.1em;
}

.process-number::after {
  width: 32px;
  height: 1px;
  background: rgba(103, 185, 231, 0.45);
  content: "";
}

.process-step h3 {
  margin: 0 0 12px;
  color: #f5f8fb;
  font-size: 20px;
  font-weight: 600;
}

.process-step p {
  max-width: 235px;
  margin: 0;
  color: #8ea0b5;
  font-size: 13px;
  line-height: 1.85;
}

.about-grid {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  align-items: center;
  gap: 96px;
}

.about-copy h2 {
  margin: 18px 0 26px;
}

.about-copy > p {
  max-width: 500px;
  margin: 0 0 17px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.95;
}

.about-signature {
  display: flex;
  align-items: center;
  gap: 13px;
  margin-top: 34px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}

.about-signature img {
  width: 50px;
  mix-blend-mode: multiply;
}

.about-signature div {
  display: flex;
  flex-direction: column;
}

.about-signature strong {
  color: #334257;
  font-size: 13px;
  font-weight: 600;
}

.about-signature span {
  color: #929dac;
  font-size: 11px;
}

.principle-panel {
  position: relative;
  padding: 30px 34px 28px;
  overflow: hidden;
  background:
    radial-gradient(circle at 100% 0, rgba(48, 139, 198, 0.09), transparent 35%),
    #f7f9fc;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}

.principle-panel::before {
  position: absolute;
  top: 0;
  right: 0;
  width: 170px;
  height: 170px;
  background-image:
    linear-gradient(rgba(20, 94, 158, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20, 94, 158, 0.035) 1px, transparent 1px);
  background-size: 18px 18px;
  content: "";
  mask-image: linear-gradient(225deg, #000, transparent);
}

.principle-head {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #9aa6b5;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.15em;
}

.principle-panel blockquote {
  position: relative;
  margin: 40px 0 38px;
  color: #1a2a3e;
  font-size: clamp(28px, 3vw, 38px);
  font-weight: 650;
  letter-spacing: -0.04em;
  line-height: 1.45;
}

.principle-list {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid #e2e8f0;
  border-left: 1px solid #e2e8f0;
}

.principle-item {
  display: flex;
  gap: 13px;
  padding: 21px 18px;
  background: rgba(255, 255, 255, 0.62);
  border-right: 1px solid #e2e8f0;
  border-bottom: 1px solid #e2e8f0;
}

.principle-icon {
  display: grid;
  width: 28px;
  height: 28px;
  flex: 0 0 28px;
  place-items: center;
  color: var(--blue);
  background: var(--white);
  border: 1px solid #e0e8f1;
  border-radius: 7px;
}

.principle-icon svg {
  width: 14px;
  height: 14px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.35;
}

.principle-item div {
  min-width: 0;
}

.principle-item strong {
  display: block;
  margin-bottom: 2px;
  color: #36455a;
  font-size: 12px;
  font-weight: 650;
}

.principle-item p {
  margin: 0;
  color: #8591a1;
  font-size: 10px;
  line-height: 1.6;
}

.contact-section {
  padding-top: 20px;
  padding-bottom: 112px;
}

.contact-panel {
  position: relative;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 74px;
  padding: 66px;
  overflow: hidden;
  color: var(--white);
  background:
    radial-gradient(circle at 4% 100%, rgba(48, 144, 204, 0.2), transparent 35%),
    linear-gradient(125deg, #09213f 0%, #0b345f 58%, #0e4773 100%);
  border-radius: 28px;
  box-shadow: 0 32px 80px rgba(8, 36, 67, 0.18);
}

.contact-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: linear-gradient(90deg, #000, transparent 58%);
}

.contact-copy,
.contact-form {
  position: relative;
  z-index: 2;
}

.contact-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding-top: 15px;
}

.contact-kicker {
  color: #7dc8eb;
  font-size: 10px;
}

.contact-copy h2 {
  max-width: 430px;
  margin: 24px 0 22px;
  font-size: clamp(38px, 4.1vw, 54px);
  font-weight: 650;
  letter-spacing: -0.05em;
  line-height: 1.22;
}

.contact-copy > p {
  max-width: 400px;
  margin: 0;
  color: #aebdcf;
  font-size: 14px;
  line-height: 1.9;
}

.contact-services {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 28px;
}

.contact-services span {
  padding: 6px 11px;
  color: #bbd8ea;
  background: rgba(255, 255, 255, 0.055);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 5px;
  font-size: 10px;
}

.contact-company {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: auto;
  padding-top: 54px;
  color: #849bb2;
  font-size: 11px;
}

.contact-company img {
  width: 36px;
  padding: 2px;
  background: var(--white);
  border-radius: 5px;
}

.contact-direct-card {
  position: relative;
  z-index: 2;
  padding: 30px;
  color: var(--ink);
  background: var(--white);
  border-radius: 17px;
  box-shadow: 0 22px 55px rgba(0, 10, 25, 0.18);
}

.direct-card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding-bottom: 23px;
  border-bottom: 1px solid #e8edf3;
}

.direct-card-head > div > span {
  color: #99a6b6;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.13em;
}

.direct-card-head h3 {
  margin: 7px 0 0;
  color: var(--ink);
  font-size: 25px;
  font-weight: 650;
  letter-spacing: -0.035em;
}

.direct-availability {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 9px;
  color: #3e7c64;
  background: #f2f8f5;
  border: 1px solid #dfece6;
  border-radius: 999px;
  font-size: 9px;
  font-weight: 600;
  white-space: nowrap;
}

.direct-availability i {
  width: 5px;
  height: 5px;
  background: #47a77f;
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(71, 167, 127, 0.1);
}

.contact-method-list {
  display: flex;
  flex-direction: column;
}

.contact-method {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) auto;
  align-items: center;
  gap: 15px;
  min-height: 86px;
  padding: 17px 0;
  border-bottom: 1px solid #edf0f4;
}

.contact-method-link {
  transition: color 180ms ease;
}

.contact-method-link:hover .contact-method-action {
  color: var(--brand-red);
}

.contact-method-icon {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  color: var(--blue);
  background: #f1f7fb;
  border: 1px solid #e2ebf3;
  border-radius: 10px;
}

.contact-method-icon svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.45;
}

.contact-method-icon-wechat {
  color: #278a65;
  background: #f1f9f5;
  border-color: #deeee6;
}

.contact-method-copy {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 4px;
}

.contact-method-copy span {
  color: #9aa5b3;
  font-size: 10px;
}

.contact-method-copy strong {
  overflow-wrap: anywhere;
  color: #28384d;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.45;
}

.contact-method-action {
  color: var(--blue);
  font-size: 10px;
  font-weight: 600;
  white-space: nowrap;
  transition: color 180ms ease;
}

.wecom-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-width: 102px;
  height: 34px;
  padding: 0 12px;
  color: #fff;
  background: #1c7f5b;
  border: 1px solid #1c7f5b;
  border-radius: 6px;
  font-size: 10px;
  font-weight: 600;
  white-space: nowrap;
  transition: background 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.wecom-button:hover {
  background: #156a4b;
  border-color: #156a4b;
  transform: translateY(-1px);
}

.wecom-button[aria-disabled="true"] {
  color: #668276;
  background: #f1f7f4;
  border-color: #dcebe4;
}

.wecom-button svg {
  width: 14px;
  height: 14px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.6;
}

.wecom-status {
  margin: 10px 0 0;
  color: #a34c61;
  font-size: 10px;
  line-height: 1.6;
}

.wecom-status:empty {
  display: none;
}

.direct-card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 20px;
  padding: 13px 15px;
  background: #f6f9fc;
  border: 1px solid #e8eef4;
  border-radius: 8px;
}

.direct-card-foot span {
  color: #8b98a8;
  font-size: 10px;
}

.direct-card-foot strong {
  color: #405167;
  font-size: 11px;
  font-weight: 600;
}

.contact-form {
  padding: 30px;
  color: var(--ink);
  background: #fff;
  border-radius: 17px;
  box-shadow: 0 22px 55px rgba(0, 10, 25, 0.18);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 14px;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 7px;
  margin-bottom: 14px;
}

.form-row .form-field {
  margin-bottom: 0;
}

.form-field label {
  color: #47566b;
  font-size: 12px;
  font-weight: 600;
}

.form-field label em {
  color: var(--brand-red);
  font-style: normal;
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  outline: 0;
  background: #fbfcfe;
  border: 1px solid #e1e7ee;
  border-radius: 7px;
  transition: border-color 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.form-field input,
.form-field select {
  height: 44px;
  padding: 0 12px;
  font-size: 12px;
}

.form-field textarea {
  min-height: 94px;
  padding: 11px 12px;
  resize: vertical;
  font-size: 12px;
  line-height: 1.7;
}

.form-field input::placeholder,
.form-field textarea::placeholder {
  color: #b0b9c5;
}

.form-field select {
  color: #687689;
  cursor: pointer;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  background: var(--white);
  border-color: #8eb8d8;
  box-shadow: 0 0 0 3px rgba(33, 121, 183, 0.08);
}

.form-field input:invalid:not(:placeholder-shown),
.form-field textarea:invalid:not(:placeholder-shown) {
  border-color: #d98ca0;
}

.form-honeypot {
  position: absolute !important;
  left: -9999px !important;
  width: 1px !important;
  height: 1px !important;
  opacity: 0 !important;
  pointer-events: none !important;
}

.form-submit {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  height: 46px;
  margin-top: 3px;
  color: var(--white);
  background: var(--blue-deep);
  border: 0;
  border-radius: 7px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background 180ms ease, transform 180ms ease;
}

.form-submit:hover {
  background: #082849;
}

.form-submit:active {
  transform: translateY(1px);
}

.form-submit:disabled {
  cursor: wait;
  opacity: 0.72;
}

.form-note {
  margin: 10px 0 0;
  color: #9aa5b3;
  font-size: 9px;
  text-align: center;
}

.form-status {
  min-height: 0;
  margin: 8px 0 0;
  color: #49657e;
  font-size: 10px;
  line-height: 1.55;
  text-align: center;
}

.form-status:empty {
  display: none;
}

.form-status[data-type="success"] {
  color: #2e7d5e;
}

.form-status[data-type="error"] {
  color: #a8445f;
}

.site-footer {
  padding: 58px 0 26px;
  background: #f7f9fb;
  border-top: 1px solid var(--line);
}

.footer-main {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 50px;
  padding-bottom: 38px;
}

.footer-brand > a {
  display: block;
  width: 188px;
}

.footer-brand img {
  width: 100%;
  mix-blend-mode: multiply;
}

.footer-brand p {
  margin: 14px 0 0;
  color: #7f8b9c;
  font-size: 11px;
  line-height: 1.8;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
  padding-top: 9px;
}

.footer-links a {
  color: #5d6a7c;
  font-size: 12px;
  transition: color 180ms ease;
}

.footer-links a:hover {
  color: var(--blue);
}

.footer-detail-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding-top: 20px;
  padding-bottom: 20px;
  border-top: 1px solid #e5e9ef;
}

.footer-friend-links,
.footer-contact-summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 9px 21px;
  color: #8792a1;
  font-size: 10px;
}

.footer-friend-links > span {
  color: #536176;
  font-weight: 600;
}

.footer-friend-links a {
  transition: color 180ms ease;
}

.footer-friend-links a:hover,
.footer-contact-summary a:hover {
  color: var(--blue);
}

.footer-contact-summary a {
  color: #536f8d;
  font-weight: 600;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-top: 20px;
  color: #99a3b0;
  border-top: 1px solid #e5e9ef;
  font-size: 10px;
}

.footer-bottom a {
  transition: color 180ms ease;
}

.footer-bottom a:hover {
  color: var(--blue);
}

.js .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 650ms ease, transform 650ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

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

.service-grid .reveal:nth-child(2),
.process-grid .reveal:nth-child(2) {
  transition-delay: 80ms;
}

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

.service-grid .reveal:nth-child(4),
.process-grid .reveal:nth-child(4) {
  transition-delay: 200ms;
}

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

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

@media (max-width: 1080px) {
  .desktop-nav {
    gap: 24px;
    margin-right: 24px;
  }

  .hero-inner {
    grid-template-columns: minmax(0, 1fr) minmax(390px, 0.88fr);
    gap: 36px;
  }

  .float-card-security {
    left: -1%;
  }

  .about-grid {
    gap: 58px;
  }

  .contact-panel {
    gap: 46px;
    padding: 54px;
  }
}

@media (max-width: 900px) {
  :root {
    --header-height: 70px;
  }

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

  .desktop-nav,
  .header-cta {
    display: none;
  }

  .nav-toggle {
    display: block;
    margin-left: auto;
  }

  .mobile-nav {
    position: fixed;
    top: var(--header-height);
    right: 0;
    left: 0;
    z-index: 90;
    display: flex;
    flex-direction: column;
    gap: 0;
    padding: 8px 20px 22px;
    background: rgba(255, 255, 255, 0.98);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 24px 40px rgba(15, 35, 60, 0.08);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity 180ms ease, visibility 180ms ease, transform 180ms ease;
  }

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

  .mobile-nav a {
    padding: 13px 5px;
    color: #405065;
    border-bottom: 1px solid #eef1f5;
    font-size: 14px;
  }

  .mobile-nav .mobile-nav-cta {
    margin-top: 14px;
    padding: 12px 16px;
    color: var(--white);
    background: var(--blue-deep);
    border: 0;
    border-radius: 7px;
    text-align: center;
  }

  .hero {
    padding-top: 60px;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 54px;
    min-height: auto;
  }

  .hero-copy {
    max-width: 690px;
  }

  .hero-visual {
    width: min(100%, 520px);
    margin: 0 auto;
  }

  .capability-strip {
    grid-template-columns: repeat(2, 1fr);
  }

  .capability-item:nth-child(2) {
    border-right: 0;
  }

  .capability-item:nth-child(-n+2) {
    border-bottom: 1px solid var(--line);
  }

  .capability-item:nth-child(3) {
    padding-left: 0;
  }

  .section {
    padding: 92px 0;
  }

  .section-heading {
    grid-template-columns: 1fr;
    gap: 25px;
    margin-bottom: 42px;
  }

  .section-heading > p {
    max-width: 560px;
    margin-left: 0;
  }

  .process-grid {
    grid-template-columns: repeat(2, 1fr);
    border-top: 0;
  }

  .process-step {
    padding: 30px 30px 24px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.11);
  }

  .process-step + .process-step {
    padding-left: 30px;
  }

  .process-step:nth-child(3) {
    padding-left: 0;
  }

  .process-step:nth-child(3)::before {
    display: none;
  }

  .process-number {
    margin-bottom: 25px;
  }

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

  .about-copy > p {
    max-width: 660px;
  }

  .contact-section {
    padding-bottom: 86px;
  }

  .contact-panel {
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 45px;
  }

  .contact-copy {
    padding-top: 0;
  }

  .contact-copy > p {
    max-width: 540px;
  }

  .contact-company {
    margin-top: 0;
    padding-top: 20px;
  }

  .footer-detail-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 13px;
  }

  .footer-main {
    flex-direction: column;
    gap: 32px;
  }
}

@media (max-width: 620px) {
  .container {
    width: calc(100% - 32px);
  }

  .brand {
    width: 181px;
  }

  .hero {
    padding-top: 48px;
  }

  .hero-grid-bg {
    top: 280px;
    right: -40%;
    width: 130%;
    height: 500px;
    mask-image: linear-gradient(to bottom, #000, transparent 80%);
  }

  .eyebrow {
    font-size: 10px;
  }

  .hero h1 {
    margin: 23px 0 20px;
    font-size: clamp(39px, 11.8vw, 55px);
    letter-spacing: -0.06em;
  }

  .hero-lead {
    font-size: 15px;
    line-height: 1.85;
  }

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

  .button {
    height: 48px;
    padding: 0 17px;
    font-size: 13px;
  }

  .hero-points {
    gap: 16px;
    margin-top: 25px;
  }

  .hero-points span {
    font-size: 11px;
  }

  .hero-visual {
    width: calc(100% + 2px);
    margin-top: 4px;
  }

  .stage-note {
    display: none;
  }

  .float-card-security {
    bottom: 0;
    left: 0;
    min-width: 184px;
    padding: 10px 11px;
  }

  .float-icon {
    width: 34px;
    height: 34px;
    flex-basis: 34px;
  }

  .float-card-security strong {
    font-size: 11px;
  }

  .float-card-security span {
    font-size: 8px;
  }

  .float-card-delivery {
    top: 16%;
    right: 0;
    width: 100px;
    padding: 10px 12px;
  }

  .system-card-head,
  .system-card-foot {
    padding: 15px 17px;
    font-size: 7px;
  }

  .core-area {
    width: 76%;
  }

  .capability-tags {
    width: calc(100% - 34px);
  }

  .capability-tags span {
    font-size: 9px;
  }

  .capability-strip {
    margin-top: 8px;
  }

  .capability-item {
    min-height: 74px;
    padding: 0 12px;
    gap: 10px;
  }

  .capability-item strong {
    font-size: 12px;
  }

  .capability-item span {
    font-size: 8px;
  }

  .section {
    padding: 78px 0;
  }

  .section-heading h2,
  .about-copy h2 {
    font-size: 34px;
  }

  .section-heading > p,
  .about-copy > p {
    font-size: 14px;
  }

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

  .service-card {
    min-height: 0;
    padding: 28px 24px 30px;
  }

  .service-top {
    margin-bottom: 23px;
  }

  .service-card h3 {
    font-size: 23px;
  }

  .process-section {
    padding-bottom: 60px;
  }

  .process-grid {
    grid-template-columns: 1fr;
    margin-top: 42px;
  }

  .process-step,
  .process-step + .process-step,
  .process-step:nth-child(3) {
    padding: 26px 0 28px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .process-step + .process-step::before,
  .process-step:nth-child(3)::before {
    display: none;
  }

  .process-number {
    margin-bottom: 17px;
  }

  .process-step p {
    max-width: 310px;
  }

  .about-grid {
    gap: 36px;
  }

  .principle-panel {
    padding: 25px 20px 20px;
  }

  .principle-panel blockquote {
    margin: 33px 0 30px;
    font-size: 27px;
  }

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

  .principle-item {
    padding: 17px 14px;
  }

  .contact-section {
    padding-top: 6px;
    padding-bottom: 70px;
  }

  .contact-panel {
    gap: 30px;
    padding: 30px 20px 20px;
    border-radius: 21px;
  }

  .contact-copy h2 {
    margin: 18px 0 16px;
    font-size: 38px;
  }

  .contact-copy > p {
    font-size: 13px;
  }

  .contact-services {
    margin-top: 20px;
  }

  .contact-company {
    padding-top: 12px;
  }

  .contact-direct-card {
    padding: 22px 16px;
    border-radius: 13px;
  }

  .direct-card-head {
    padding-bottom: 19px;
  }

  .direct-card-head h3 {
    font-size: 23px;
  }

  .contact-method {
    grid-template-columns: 38px minmax(0, 1fr);
    gap: 12px;
    min-height: 0;
    padding: 17px 0;
  }

  .contact-method-icon {
    width: 38px;
    height: 38px;
  }

  .contact-method-icon svg {
    width: 19px;
    height: 19px;
  }

  .contact-method-copy strong {
    font-size: 13px;
  }

  .contact-method-action,
  .wecom-button {
    grid-column: 2;
    justify-self: start;
    margin-top: 3px;
  }

  .wecom-button {
    height: 32px;
  }

  .direct-card-foot {
    align-items: flex-start;
    flex-direction: column;
    gap: 3px;
  }

  .contact-form {
    padding: 20px 16px;
    border-radius: 13px;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
    margin-bottom: 0;
  }

  .form-row .form-field {
    margin-bottom: 14px;
  }

  .site-footer {
    padding-top: 44px;
  }

  .footer-links {
    gap: 18px 24px;
  }

  .footer-detail-row {
    padding-top: 18px;
    padding-bottom: 18px;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }
}

@media (max-width: 380px) {
  .hero-actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .brand {
    width: 160px;
  }

  .float-card-delivery {
    display: none;
  }
}

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

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

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