/* ==================================================================
   桉蓝航空 ANLAN ASTRA — Design System
   简约大气 / 科技蓝 + 纯白 / 响应式
   ================================================================== */

:root {
  --navy: #061626;
  --navy-2: #0b2238;
  --ink: #0a1a2b;
  --ink-2: #22354b;
  --muted: #5d6e84;
  --muted-2: #8595a8;
  --line: #e4eaf3;
  --line-strong: #d3dcea;
  --paper: #ffffff;
  --mist: #f6f9fc;
  --mist-2: #eef3f9;
  --blue: #0e3a6b;
  --accent: #2f6bf6;
  --accent-soft: rgba(47, 107, 246, 0.08);
  --ok: #1c8a5b;
  --warn: #b4541f;
  --danger: #c0392b;

  --sans: "Inter", "PingFang SC", "HarmonyOS Sans SC", "Source Han Sans SC",
    "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "SF Mono", "JetBrains Mono", "Roboto Mono", ui-monospace, Menlo, Consolas, monospace;

  --shell: 1180px;
  --gutter: 32px;
  --header-h: 76px;
  --radius: 2px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

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

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

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
  background: var(--paper);
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

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

button {
  font: inherit;
  color: inherit;
  cursor: pointer;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

p {
  margin: 0;
}

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

::selection {
  background: rgba(47, 107, 246, 0.16);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.shell {
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.skip {
  position: absolute;
  left: -9999px;
}
.skip:focus {
  left: 16px;
  top: 16px;
  z-index: 200;
  background: #fff;
  padding: 10px 16px;
  border-radius: 2px;
}

/* ---------------- Typographic atoms ---------------- */

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 500;
}

.eyebrow::before {
  content: "";
  width: 24px;
  height: 1px;
  background: currentColor;
  opacity: 0.6;
}

.on-dark .eyebrow {
  color: #8ab4ff;
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
  gap: 48px;
  align-items: end;
  padding-bottom: 44px;
}

.section-head h2 {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  margin-top: 18px;
  max-width: 18em;
}

.section-head .lead {
  color: var(--muted);
  font-size: 15.5px;
  max-width: 40ch;
  padding-bottom: 6px;
}

.section-index {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted-2);
  letter-spacing: 0.16em;
}

/* ---------------- Buttons ---------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 50px;
  padding: 0 26px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-size: 14.5px;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: background 0.28s var(--ease), color 0.28s var(--ease),
    border-color 0.28s var(--ease), transform 0.28s var(--ease);
  white-space: nowrap;
}

.btn svg {
  width: 16px;
  height: 16px;
  flex: none;
  transition: transform 0.28s var(--ease);
}

.btn:hover svg {
  transform: translateX(3px);
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover {
  background: #1a56e0;
}

.btn-ghost {
  border-color: rgba(255, 255, 255, 0.28);
  color: #fff;
  background: rgba(255, 255, 255, 0.02);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.5);
}

.btn-outline {
  border-color: var(--line-strong);
  color: var(--ink);
  background: transparent;
}
.btn-outline:hover {
  border-color: var(--ink);
}

.btn-sm {
  height: 40px;
  padding: 0 18px;
  font-size: 13.5px;
}

.btn-block {
  width: 100%;
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

/* 文字链接 */
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.link-arrow svg {
  width: 15px;
  height: 15px;
  transition: transform 0.25s var(--ease);
}

.link-arrow:hover {
  color: var(--accent);
  border-color: currentColor;
}
.link-arrow:hover svg {
  transform: translateX(3px);
}

/* ==================================================================
   Header
   ================================================================== */

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  transition: background 0.35s var(--ease), box-shadow 0.35s var(--ease),
    border-color 0.35s var(--ease);
  border-bottom: 1px solid rgba(255, 255, 255, 0);
}

.site-header .shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.site-header.is-solid {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom-color: var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: none;
}

.brand-mark {
  width: 30px;
  height: 30px;
  flex: none;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-cn {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: #fff;
  transition: color 0.3s var(--ease);
}

.brand-en {
  font-family: var(--mono);
  font-size: 8.5px;
  letter-spacing: 0.26em;
  color: rgba(255, 255, 255, 0.55);
  margin-top: 3px;
  transition: color 0.3s var(--ease);
}

.brand-mark .mark-ring {
  stroke: rgba(255, 255, 255, 0.55);
  transition: stroke 0.3s var(--ease);
}
.brand-mark .mark-core {
  fill: #fff;
  transition: fill 0.3s var(--ease);
}

.site-header.is-solid .brand-cn {
  color: var(--ink);
}
.site-header.is-solid .brand-en {
  color: var(--muted-2);
}
.site-header.is-solid .brand-mark .mark-ring {
  stroke: var(--ink);
}
.site-header.is-solid .brand-mark .mark-core {
  fill: var(--accent);
}

.nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}

.nav a {
  position: relative;
  padding: 10px 14px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.78);
  transition: color 0.25s var(--ease);
}

.nav a::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 2px;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
}

.nav a:hover {
  color: #fff;
}
.nav a:hover::after,
.nav a.is-active::after {
  transform: scaleX(1);
}
.nav a.is-active {
  color: #fff;
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: none;
}

.ghost-link {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.82);
  padding: 10px 6px;
  transition: color 0.25s var(--ease);
}
.ghost-link:hover {
  color: #fff;
}
.site-header.is-solid .ghost-link {
  color: var(--muted);
}
.site-header.is-solid .ghost-link:hover {
  color: var(--ink);
}

.site-header .btn-sm {
  height: 40px;
}

.site-header .btn-primary {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.28);
}
.site-header .btn-primary:hover {
  background: rgba(255, 255, 255, 0.18);
}
.site-header.is-solid .btn-primary {
  background: var(--accent);
  border-color: var(--accent);
}
.site-header.is-solid .btn-primary:hover {
  background: #1a56e0;
}

/* 已登录状态下的小头像 */
.header-user {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.9);
}
.site-header.is-solid .header-user {
  color: var(--ink);
}

.avatar-xs {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid rgba(255, 255, 255, 0.35);
  background: var(--mist-2);
}
.site-header.is-solid .avatar-xs {
  border-color: var(--line-strong);
}

/* 移动端菜单按钮 */
.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: transparent;
  border-radius: 2px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}
.nav-toggle span {
  width: 18px;
  height: 1px;
  background: #fff;
  transition: transform 0.3s var(--ease), opacity 0.2s;
}
.site-header.is-solid .nav-toggle {
  border-color: var(--line-strong);
}
.site-header.is-solid .nav-toggle span {
  background: var(--ink);
}

.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: 99;
  background: var(--navy);
  padding: calc(var(--header-h) + 40px) var(--gutter) 40px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transform: translateY(-100%);
  opacity: 0;
  pointer-events: none;
  overflow-y: auto;
  overscroll-behavior-y: contain;
  transition: transform 0.42s var(--ease), opacity 0.3s var(--ease);
}
.mobile-nav.is-open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}
.mobile-nav a {
  color: #eaf1fb;
  font-size: 22px;
  font-weight: 500;
  padding: 16px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.09);
  letter-spacing: 0.02em;
}
.mobile-nav .mobile-auth {
  margin-top: 28px;
  display: flex;
  gap: 12px;
}
.mobile-nav .mobile-auth .btn {
  flex: 1;
}

/* ==================================================================
   Hero — 首页
   ================================================================== */

.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  min-height: 100dvh;
  background: radial-gradient(120% 90% at 78% 8%, #123a63 0%, #0a2137 42%, var(--navy) 100%);
  color: #fff;
  display: flex;
  align-items: center;
  padding: calc(var(--header-h) + 64px) 0 72px;
  overflow: hidden;
  isolation: isolate;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(1.4px 1.4px at 18% 22%, rgba(255, 255, 255, 0.75), transparent 60%),
    radial-gradient(1.2px 1.2px at 74% 14%, rgba(255, 255, 255, 0.55), transparent 60%),
    radial-gradient(1px 1px at 42% 62%, rgba(255, 255, 255, 0.5), transparent 60%),
    radial-gradient(1.6px 1.6px at 88% 72%, rgba(255, 255, 255, 0.6), transparent 60%),
    radial-gradient(1px 1px at 12% 82%, rgba(255, 255, 255, 0.4), transparent 60%),
    radial-gradient(1.2px 1.2px at 60% 88%, rgba(255, 255, 255, 0.35), transparent 60%),
    radial-gradient(1px 1px at 32% 8%, rgba(255, 255, 255, 0.3), transparent 60%);
  background-size: 620px 620px, 480px 480px, 700px 700px, 540px 540px, 760px 760px, 400px 400px, 620px 620px;
  background-position: 0 0, 120px 80px, 40px 220px, 260px 340px, 80px 40px, 320px 120px, 480px 300px;
  opacity: 0.85;
  z-index: -1;
}

.hero::after {
  content: "";
  position: absolute;
  right: -14%;
  top: 4%;
  width: 62vw;
  height: 62vw;
  max-width: 860px;
  max-height: 860px;
  border-radius: 50%;
  background: radial-gradient(circle at 34% 30%, rgba(80, 142, 240, 0.3), transparent 58%);
  filter: blur(12px);
  z-index: -1;
}

.hero-orbit {
  position: absolute;
  right: -6%;
  top: 50%;
  width: min(760px, 62vw);
  transform: translateY(-50%);
  opacity: 0.9;
  z-index: -1;
  pointer-events: none;
}

.hero-inner {
  position: relative;
  width: 100%;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.62fr);
  gap: 56px;
  align-items: end;
}

.hero-title {
  font-size: clamp(1.95rem, 5.2vw, 4.35rem);
  line-height: 1.12;
  letter-spacing: -0.035em;
  margin: 26px 0 0;
  font-weight: 600;
  overflow-wrap: anywhere;
}

.hero-title em {
  font-style: normal;
  color: #9dc0ff;
}

.hero-sub {
  margin-top: 26px;
  font-size: clamp(15px, 1.2vw, 17px);
  color: rgba(233, 241, 253, 0.72);
  max-width: 34em;
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 38px;
}

/* 侧边遥测卡 */
.telemetry {
  border-left: 1px solid rgba(255, 255, 255, 0.16);
  padding-left: 26px;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.telemetry-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.telemetry-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.42);
}

.telemetry-value {
  font-size: 15px;
  color: #e9f1fd;
  letter-spacing: 0.01em;
}

.telemetry-value strong {
  font-size: 26px;
  font-weight: 500;
  letter-spacing: -0.02em;
  margin-right: 6px;
}

.telemetry-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #4ade80;
  margin-right: 8px;
  box-shadow: 0 0 0 4px rgba(74, 222, 128, 0.16);
  animation: pulse 2.4s infinite;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
    box-shadow: 0 0 0 4px rgba(74, 222, 128, 0.16);
  }
  50% {
    opacity: 0.55;
    box-shadow: 0 0 0 7px rgba(74, 222, 128, 0.05);
  }
}

.hero-foot {
  margin-top: clamp(56px, 8vh, 96px);
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: rgba(255, 255, 255, 0.38);
  text-transform: uppercase;
}

.scroll-hint {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.scroll-hint span {
  display: block;
  width: 1px;
  height: 26px;
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0.6), transparent);
}

/* ==================================================================
   页面 Hero（内页）
   ================================================================== */

.page-hero {
  position: relative;
  background: radial-gradient(110% 130% at 82% 0%, #123a63 0%, #0a2137 46%, var(--navy) 100%);
  color: #fff;
  padding: calc(var(--header-h) + 84px) 0 76px;
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(1.3px 1.3px at 22% 26%, rgba(255, 255, 255, 0.6), transparent 60%),
    radial-gradient(1px 1px at 68% 18%, rgba(255, 255, 255, 0.45), transparent 60%),
    radial-gradient(1.5px 1.5px at 86% 66%, rgba(255, 255, 255, 0.4), transparent 60%),
    radial-gradient(1px 1px at 12% 74%, rgba(255, 255, 255, 0.32), transparent 60%);
  background-size: 560px 560px, 460px 460px, 680px 680px, 520px 520px;
  opacity: 0.8;
}

.page-hero .shell {
  position: relative;
}

.page-hero h1 {
  font-size: clamp(2.1rem, 4vw, 3.2rem);
  margin-top: 20px;
  letter-spacing: -0.03em;
}

.page-hero .lead {
  margin-top: 20px;
  max-width: 46ch;
  color: rgba(233, 241, 253, 0.68);
  font-size: 16px;
}

.crumbs {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: rgba(255, 255, 255, 0.36);
  text-transform: uppercase;
  margin-top: 34px;
}
.crumbs a:hover {
  color: #fff;
}
.crumbs span {
  margin: 0 8px;
}

/* ==================================================================
   Sections
   ================================================================== */

.section {
  padding: clamp(72px, 9vw, 120px) 0;
}

.section--tight {
  padding: clamp(56px, 6vw, 84px) 0;
}

.section--mist {
  background: var(--mist);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section--dark {
  background: var(--navy);
  color: #fff;
}

.section--dark .section-head .lead {
  color: rgba(233, 241, 253, 0.6);
}

/* 业务亮点卡 */
.value-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--line);
}

.value-card {
  padding: 34px 26px 38px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  transition: background 0.35s var(--ease);
  position: relative;
}

.value-card:first-child {
  border-left: 1px solid var(--line);
}

/* 三列变体：不留下空列 */
.value-grid--3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.value-card:hover {
  background: var(--mist);
}

.value-card .num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--muted-2);
}

.value-icon {
  width: 40px;
  height: 40px;
  margin: 24px 0 22px;
  color: var(--blue);
}
.value-icon svg {
  width: 100%;
  height: 100%;
}

.value-card h3 {
  font-size: 19px;
  margin-bottom: 12px;
}

.value-card p {
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.85;
}

.value-card .arrow {
  position: absolute;
  right: 24px;
  bottom: 26px;
  color: var(--muted-2);
  opacity: 0;
  transform: translateX(-6px);
  transition: all 0.35s var(--ease);
}
.value-card:hover .arrow {
  opacity: 1;
  transform: translateX(0);
  color: var(--accent);
}
.value-card .arrow svg {
  width: 16px;
  height: 16px;
}

/* 数据条 */
.stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid var(--line);
}

.stat {
  padding: 30px 26px 30px 0;
  border-right: 1px solid var(--line);
}
.stat:last-child {
  border-right: 0;
}

.stat-value {
  font-size: clamp(2rem, 3.4vw, 2.9rem);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}
.stat-value .unit {
  font-size: 0.44em;
  margin-left: 6px;
  color: var(--muted);
  letter-spacing: 0;
}

.stat-label {
  margin-top: 12px;
  font-size: 13.5px;
  color: var(--muted);
}

/* 双栏图文 */
.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(32px, 5vw, 76px);
  align-items: center;
}

.split-body h2 {
  font-size: clamp(1.7rem, 2.8vw, 2.35rem);
  margin: 18px 0 20px;
  letter-spacing: -0.03em;
}

.split-body p {
  color: var(--muted);
  margin-bottom: 16px;
  font-size: 15.5px;
  line-height: 1.95;
}

.split-figure {
  position: relative;
  aspect-ratio: 4 / 3.2;
  background: linear-gradient(150deg, #0c2742, #071b2d 62%, #06121f);
  border-radius: 2px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.split-figure svg {
  width: 100%;
  height: 100%;
}

.figure-caption {
  position: absolute;
  left: 20px;
  bottom: 16px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: rgba(255, 255, 255, 0.4);
  text-transform: uppercase;
}

.mini-list {
  margin-top: 26px;
  display: grid;
  gap: 14px;
}

.mini-list li {
  position: relative;
  padding-left: 22px;
  font-size: 14.5px;
  color: var(--ink-2);
}

.mini-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 8px;
  height: 1px;
  background: var(--accent);
}

/* ---------------- 最新动态 ---------------- */

.news-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  padding-bottom: 30px;
  border-bottom: 1px solid var(--line);
}

.news-head h2 {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  margin-top: 16px;
}

.news-list {
  display: flex;
  flex-direction: column;
}

.news-item {
  display: grid;
  grid-template-columns: 96px 1fr auto;
  gap: 32px;
  align-items: center;
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
  transition: padding-left 0.35s var(--ease), background 0.35s var(--ease);
}

.news-item:hover {
  padding-left: 14px;
  background: linear-gradient(90deg, var(--mist), transparent 70%);
}

.news-date {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted-2);
  letter-spacing: 0.06em;
}

.news-main h3 {
  font-size: 17.5px;
  margin-bottom: 8px;
  font-weight: 500;
  transition: color 0.25s var(--ease);
}
.news-item:hover .news-main h3 {
  color: var(--accent);
}

.news-main p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.8;
  max-width: 62ch;
}

.news-tag {
  display: inline-flex;
  align-items: center;
  height: 24px;
  padding: 0 10px;
  border: 1px solid var(--line-strong);
  border-radius: 2px;
  font-size: 11.5px;
  color: var(--muted);
  margin-right: 12px;
  vertical-align: 2px;
  letter-spacing: 0.06em;
}

.news-arrow {
  width: 34px;
  height: 34px;
  border: 1px solid var(--line);
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--muted);
  transition: all 0.3s var(--ease);
}
.news-arrow svg {
  width: 14px;
  height: 14px;
}
.news-item:hover .news-arrow {
  border-color: var(--accent);
  color: var(--accent);
  transform: rotate(-45deg);
}

/* ---------------- 历程时间轴 ---------------- */

.timeline {
  position: relative;
  margin-top: 8px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 132px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(to bottom, var(--line-strong), var(--line) 70%, transparent);
}

.tl-item {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 60px;
  padding: 26px 0;
  position: relative;
}

.tl-year {
  font-family: var(--mono);
  font-size: 15px;
  color: var(--ink);
  letter-spacing: 0.06em;
  position: relative;
}

.tl-year::after {
  content: "";
  position: absolute;
  right: -28px;
  top: 9px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--paper);
  border: 1px solid var(--accent);
  transition: all 0.3s var(--ease);
}

.tl-item:hover .tl-year::after {
  background: var(--accent);
  box-shadow: 0 0 0 5px var(--accent-soft);
}

.tl-body h3 {
  font-size: 17px;
  margin-bottom: 8px;
  font-weight: 500;
}

.tl-body p {
  color: var(--muted);
  font-size: 14.5px;
  max-width: 56ch;
}

/* ---------------- 团队 ---------------- */

.team-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 26px;
}

.team-card {
  border-top: 1px solid var(--line-strong);
  padding-top: 22px;
  transition: border-color 0.35s var(--ease);
}
.team-card:hover {
  border-color: var(--accent);
}

.team-photo {
  aspect-ratio: 1 / 1.12;
  background-color: #e9eff8;
  background-image: repeating-radial-gradient(
      circle at 50% 108%,
      rgba(14, 58, 107, 0.14) 0 1px,
      transparent 1px 30px
    ),
    linear-gradient(160deg, #f1f5fb, #dfe8f4);
  display: grid;
  place-items: center;
  position: relative;
  overflow: hidden;
  margin-bottom: 18px;
}

.team-photo span {
  position: relative;
  font-size: 44px;
  font-weight: 400;
  color: #4d6a8c;
  letter-spacing: 0.04em;
  opacity: 0.55;
}

.team-photo::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(255, 255, 255, 0.55), transparent 46%);
}

.team-name {
  font-size: 16px;
  font-weight: 500;
}

.team-role {
  font-size: 12.5px;
  color: var(--accent);
  margin-top: 4px;
  letter-spacing: 0.04em;
}

.team-bio {
  font-size: 13.5px;
  color: var(--muted);
  margin-top: 10px;
  line-height: 1.8;
}

/* ---------------- 服务 tabs ---------------- */

.service-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 40px;
}

.service-tabs button {
  position: relative;
  background: none;
  border: 0;
  padding: 16px 20px;
  font-size: 14.5px;
  color: var(--muted);
  transition: color 0.25s var(--ease);
  letter-spacing: 0.02em;
}

.service-tabs button::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 1.5px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform 0.3s var(--ease);
}

.service-tabs button:hover {
  color: var(--ink);
}

.service-tabs button.is-active {
  color: var(--ink);
  font-weight: 500;
}
.service-tabs button.is-active::after {
  transform: scaleX(1);
}

.service-panel {
  display: none;
  animation: fadeUp 0.5s var(--ease) both;
}
.service-panel.is-active {
  display: block;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.service-card {
  background: var(--paper);
  padding: 34px 32px 32px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: background 0.35s var(--ease);
}

.service-card:hover {
  background: var(--mist);
}

.service-card-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
}

.service-card h3 {
  font-size: 19px;
  font-weight: 500;
}

.service-code {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--muted-2);
  text-transform: uppercase;
}

.service-card p {
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.85;
}

.specs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
  padding-top: 6px;
}

.specs li {
  font-size: 12.5px;
  color: var(--ink-2);
  background: var(--mist-2);
  padding: 4px 10px;
  border-radius: 2px;
}

/* ---------------- 流程 ---------------- */

.flow {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  margin-top: 8px;
  counter-reset: flow;
}

.flow-step {
  padding: 26px 26px 30px 0;
  border-top: 1px solid var(--line-strong);
  position: relative;
  counter-increment: flow;
}

.flow-step::before {
  content: "0" counter(flow);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--accent);
  display: block;
  margin-bottom: 16px;
}

.flow-step h3 {
  font-size: 16.5px;
  font-weight: 500;
  margin-bottom: 8px;
}

.flow-step p {
  font-size: 13.5px;
  color: var(--muted);
  line-height: 1.8;
  padding-right: 20px;
}

/* ---------------- 对比表 ---------------- */

.compare {
  width: 100%;
  border-collapse: collapse;
  margin-top: 8px;
  font-size: 14.5px;
}

.compare th,
.compare td {
  text-align: left;
  padding: 18px 20px;
  border-bottom: 1px solid var(--line);
}

.compare thead th {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 500;
  border-bottom-color: var(--line-strong);
}

.compare tbody th {
  font-weight: 500;
  color: var(--ink);
}

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

.compare tbody tr:hover {
  background: var(--mist);
}

/* ---------------- 联系 ---------------- */

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: start;
}

.info-block + .info-block {
  margin-top: 34px;
  padding-top: 34px;
  border-top: 1px solid var(--line);
}

.info-label {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted-2);
  margin-bottom: 10px;
}

.info-value {
  font-size: 16px;
  line-height: 1.7;
}

.info-value a {
  border-bottom: 1px solid var(--line-strong);
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease);
}
.info-value a:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.info-note {
  font-size: 13px;
  color: var(--muted);
  margin-top: 6px;
}

/* 表单 */
.form-card {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: clamp(26px, 4vw, 44px);
}

.form-card h2 {
  font-size: 22px;
  margin-bottom: 8px;
}

.form-card .form-intro {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 30px;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.field {
  margin-bottom: 18px;
}

.field label {
  display: block;
  font-size: 12.5px;
  color: var(--ink-2);
  margin-bottom: 8px;
  letter-spacing: 0.04em;
}

.field label .req {
  color: var(--accent);
  margin-left: 3px;
}

.input,
.textarea,
.select {
  width: 100%;
  border: 1px solid var(--line-strong);
  background: var(--paper);
  color: var(--ink);
  padding: 12px 14px;
  font-family: inherit;
  font-size: 14.5px;
  border-radius: 2px;
  transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
  appearance: none;
}

.input::placeholder,
.textarea::placeholder {
  color: #a9b6c6;
}

.input:focus,
.textarea:focus,
.select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

/* 输入框 + 行内按钮（验证码） */
.input-row {
  display: flex;
  gap: 10px;
  align-items: stretch;
}

.input-row .input {
  flex: 1 1 auto;
  min-width: 0;
}

.input-row .btn {
  flex: 0 0 auto;
  height: auto;
  padding: 0 16px;
  font-size: 13.5px;
  white-space: nowrap;
}

.textarea {
  min-height: 128px;
  resize: vertical;
  line-height: 1.8;
}

.select {
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5 6 6.5l5-5' fill='none' stroke='%235d6e84' stroke-width='1.4' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 38px;
  cursor: pointer;
}

.field-hint {
  font-size: 12px;
  color: var(--muted-2);
  margin-top: 6px;
}

/* 文件选择 */
.file-drop {
  border: 1px dashed var(--line-strong);
  padding: 16px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  cursor: pointer;
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease);
  font-size: 13.5px;
  color: var(--muted);
}

.file-drop:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.file-drop strong {
  font-weight: 500;
  color: var(--ink-2);
}

.file-drop input {
  display: none;
}

.file-name {
  font-size: 12.5px;
  color: var(--accent);
  margin-top: 8px;
  display: none;
}
.file-name.is-set {
  display: block;
}

/* 表单反馈 */
.form-status {
  margin-top: 18px;
  font-size: 14px;
  padding: 12px 14px;
  border-radius: 2px;
  display: none;
  line-height: 1.7;
}
.form-status.is-error {
  display: block;
  background: rgba(192, 57, 43, 0.07);
  color: var(--danger);
  border: 1px solid rgba(192, 57, 43, 0.18);
}
.form-status.is-ok {
  display: block;
  background: rgba(28, 138, 91, 0.07);
  color: var(--ok);
  border: 1px solid rgba(28, 138, 91, 0.2);
}

/* ---------------- CTA 带 ---------------- */

.cta-band {
  background: var(--navy);
  color: #fff;
  padding: clamp(56px, 7vw, 88px) 0;
  position: relative;
  overflow: hidden;
}

.cta-band::after {
  content: "";
  position: absolute;
  right: -8%;
  top: -60%;
  width: 46vw;
  height: 46vw;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(47, 107, 246, 0.22), transparent 62%);
  pointer-events: none;
}

.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  position: relative;
  z-index: 1;
}

.cta-inner h2 {
  font-size: clamp(1.6rem, 2.8vw, 2.2rem);
  letter-spacing: -0.03em;
}

.cta-inner p {
  color: rgba(233, 241, 253, 0.6);
  margin-top: 12px;
  font-size: 15px;
  max-width: 46ch;
}

.cta-actions {
  display: flex;
  gap: 12px;
  flex: none;
}

/* ==================================================================
   Footer
   ================================================================== */

.site-footer {
  background: #04101b;
  color: rgba(233, 241, 253, 0.62);
  padding: 68px 0 30px;
  font-size: 14px;
}

.footer-top {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 0.85fr));
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.09);
}

.footer-brand .brand-cn {
  color: #fff;
}
.footer-brand .brand-en {
  color: rgba(255, 255, 255, 0.4);
}
.footer-brand .brand-mark .mark-ring {
  stroke: rgba(255, 255, 255, 0.5);
}
.footer-brand .brand-mark .mark-core {
  fill: #fff;
}

.footer-brand p {
  margin-top: 20px;
  max-width: 30ch;
  font-size: 13.5px;
  line-height: 1.9;
  color: rgba(233, 241, 253, 0.45);
}

.footer-col h4 {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.4);
  font-weight: 500;
  margin-bottom: 18px;
}

.footer-col li + li {
  margin-top: 11px;
}

.footer-col a:hover {
  color: #fff;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding-top: 26px;
  font-size: 12.5px;
  color: rgba(233, 241, 253, 0.34);
  flex-wrap: wrap;
}

.footer-bottom .mono {
  font-family: var(--mono);
  letter-spacing: 0.08em;
  font-size: 11px;
}

/* ==================================================================
   认证 / 账户
   ================================================================== */

.auth-wrap {
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.92fr);
  padding-top: var(--header-h);
  background: var(--paper);
}

.auth-aside {
  position: relative;
  background: radial-gradient(120% 110% at 20% 10%, #123a63 0%, #0a2137 46%, var(--navy) 100%);
  color: #fff;
  padding: clamp(40px, 6vw, 72px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
}

.auth-aside::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(1.3px 1.3px at 24% 24%, rgba(255, 255, 255, 0.55), transparent 60%),
    radial-gradient(1px 1px at 72% 16%, rgba(255, 255, 255, 0.4), transparent 60%),
    radial-gradient(1.4px 1.4px at 84% 74%, rgba(255, 255, 255, 0.35), transparent 60%);
  background-size: 520px 520px, 440px 440px, 640px 640px;
}

.auth-aside > * {
  position: relative;
  z-index: 1;
}

.auth-aside .auth-orbit {
  position: absolute;
  right: -68px;
  bottom: 54px;
  width: 380px;
  height: 380px;
  opacity: 0.6;
  z-index: 0;
  pointer-events: none;
}

.auth-aside h2 {
  font-size: clamp(1.6rem, 2.6vw, 2.3rem);
  line-height: 1.35;
  letter-spacing: -0.03em;
  max-width: 16em;
}

.auth-aside .lead {
  margin-top: 18px;
  color: rgba(233, 241, 253, 0.6);
  font-size: 14.5px;
  max-width: 34ch;
  line-height: 1.9;
}

.auth-points {
  margin-top: 34px;
  display: grid;
  gap: 14px;
}

.auth-points li {
  display: flex;
  gap: 12px;
  font-size: 13.5px;
  color: rgba(233, 241, 253, 0.72);
}

.auth-points svg {
  width: 16px;
  height: 16px;
  flex: none;
  margin-top: 5px;
  color: #6fa8ff;
}

.auth-foot {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.3);
}

.auth-main {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(36px, 5vw, 64px) var(--gutter);
}

.auth-card {
  width: 100%;
  max-width: 400px;
}

.auth-tabs {
  display: flex;
  gap: 28px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 30px;
}

.auth-tabs button {
  background: none;
  border: 0;
  padding: 0 0 14px;
  font-size: 15px;
  color: var(--muted);
  position: relative;
  transition: color 0.25s var(--ease);
}

.auth-tabs button::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 1.5px;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
}

.auth-tabs button.is-active {
  color: var(--ink);
  font-weight: 500;
}
.auth-tabs button.is-active::after {
  transform: scaleX(1);
}

.auth-panel {
  display: none;
}
.auth-panel.is-active {
  display: block;
  animation: fadeUp 0.4s var(--ease) both;
}

.auth-title {
  font-size: 26px;
  letter-spacing: -0.03em;
  margin-bottom: 8px;
}

.auth-desc {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 26px;
}

.auth-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 20px;
  font-size: 13px;
  color: var(--muted);
}

/* 账户页 */
.account-section {
  padding: calc(var(--header-h) + 56px) 0 90px;
  background: var(--mist);
  min-height: 100vh;
}

.account-grid {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  gap: 32px;
  align-items: start;
  margin-top: 36px;
}

.profile-card {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 32px 28px;
}

.profile-avatar {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  background: linear-gradient(160deg, #e6edf7, #d7e2f0);
  display: grid;
  place-items: center;
  font-size: 30px;
  color: #93a7bf;
  overflow: hidden;
  margin-bottom: 20px;
  border: 1px solid var(--line);
}

.profile-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.profile-name {
  font-size: 20px;
  font-weight: 500;
}

.profile-email {
  font-size: 13.5px;
  color: var(--muted);
  margin-top: 4px;
  word-break: break-all;
}

.profile-meta {
  margin-top: 24px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--muted);
  display: grid;
  gap: 10px;
}

.avatar-actions {
  margin-top: 20px;
}

.upload-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--accent);
  cursor: pointer;
}

.upload-btn input {
  display: none;
}

.panel-card {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 30px 32px;
}

.panel-card + .panel-card {
  margin-top: 24px;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 22px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.panel-head h2 {
  font-size: 18px;
  font-weight: 500;
}

.panel-head .count {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted-2);
  letter-spacing: 0.1em;
}

.msg-item {
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}
.msg-item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.msg-top {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}

.msg-topic {
  font-size: 11.5px;
  color: var(--accent);
  border: 1px solid rgba(47, 107, 246, 0.24);
  background: var(--accent-soft);
  padding: 2px 9px;
  border-radius: 2px;
}

.msg-time {
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--muted-2);
}

.msg-text {
  font-size: 14px;
  color: var(--ink-2);
  line-height: 1.8;
  white-space: pre-wrap;
  word-break: break-word;
}

.msg-file {
  margin-top: 8px;
  font-size: 12.5px;
}

.msg-file a {
  color: var(--accent);
  border-bottom: 1px solid currentColor;
}

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

.empty-state {
  padding: 40px 0;
  text-align: center;
  color: var(--muted-2);
  font-size: 14px;
}

.empty-state a {
  color: var(--accent);
  border-bottom: 1px solid currentColor;
}

/* 404 */
.notfound {
  min-height: 80vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: calc(var(--header-h) + 60px) 0 80px;
}

.notfound .code {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.3em;
  color: var(--muted-2);
}

.notfound h1 {
  font-size: clamp(2rem, 5vw, 3.4rem);
  margin: 20px 0 16px;
}

.notfound p {
  color: var(--muted);
  margin-bottom: 30px;
}

/* ==================================================================
   动效
   ================================================================== */

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
  will-change: opacity, transform;
}

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

.reveal[data-delay="1"] {
  transition-delay: 0.08s;
}
.reveal[data-delay="2"] {
  transition-delay: 0.16s;
}
.reveal[data-delay="3"] {
  transition-delay: 0.24s;
}
.reveal[data-delay="4"] {
  transition-delay: 0.32s;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}

/* ==================================================================
   响应式
   ================================================================== */

@media (max-width: 1080px) {
  :root {
    --gutter: 26px;
  }

  .nav {
    display: none;
  }
  .header-actions {
    display: none;
  }
  .nav-toggle {
    display: flex;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 44px;
  }
  .telemetry {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 28px;
    border-left: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.14);
    padding: 24px 0 0;
  }
  .telemetry-row {
    min-width: 0;
    flex: 1 1 180px;
  }
  .hero-orbit {
    width: 92vw;
    right: -34%;
    opacity: 0.5;
  }

  .value-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .value-card:nth-child(2n + 1) {
    border-left: 1px solid var(--line);
  }

  .stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .stat {
    border-bottom: 1px solid var(--line);
    padding-right: 20px;
  }
  .stat:nth-child(2n) {
    border-right: 0;
    padding-left: 24px;
  }
  .stat:nth-last-child(-n + 2) {
    border-bottom: 0;
  }

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

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

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

  .auth-wrap {
    grid-template-columns: 1fr;
  }
  .auth-aside {
    display: none;
  }

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

  .footer-top {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 34px;
  }
}

@media (max-width: 760px) {
  :root {
    --header-h: 66px;
    --gutter: 20px;
  }

  body {
    font-size: 15.5px;
  }

  .section-head {
    grid-template-columns: 1fr;
    gap: 18px;
    padding-bottom: 32px;
  }

  .value-grid {
    grid-template-columns: 1fr;
    border-top: 1px solid var(--line);
  }
  .value-card,
  .value-card:nth-child(2n + 1) {
    border-left: 1px solid var(--line);
    padding: 26px 22px 30px;
  }

  .split {
    grid-template-columns: 1fr;
  }
  .split-figure {
    order: -1;
    aspect-ratio: 16 / 10;
  }

  .news-item {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 22px 0;
  }
  .news-date {
    order: 0;
  }
  .news-arrow {
    display: none;
  }

  .timeline::before {
    left: 4px;
  }
  .tl-item {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 20px 0 20px 26px;
  }
  .tl-year::after {
    left: -25px;
    right: auto;
    top: 8px;
  }

  .team-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px 16px;
  }
  .team-photo span {
    font-size: 30px;
  }

  .service-grid {
    grid-template-columns: 1fr;
  }
  .service-card {
    padding: 26px 22px;
  }

  .flow {
    grid-template-columns: 1fr;
  }
  .flow-step {
    padding: 22px 0 24px;
  }

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

  .compare {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }

  .cta-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 26px;
  }
  .cta-actions {
    width: 100%;
  }
  .cta-actions .btn {
    flex: 1;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .hero {
    min-height: 100svh;
    min-height: 100dvh;
    padding: calc(var(--header-h) + 48px) 0 56px;
  }
  .telemetry {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 22px 18px;
  }
  .telemetry-row:first-child {
    grid-column: 1 / -1;
  }
  .telemetry-value strong {
    font-size: 22px;
  }
  .hero-foot {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }

  .page-hero {
    padding: calc(var(--header-h) + 56px) 0 52px;
  }

  .account-section {
    padding: calc(var(--header-h) + 36px) 0 60px;
  }
  .panel-card,
  .profile-card {
    padding: 22px 20px;
  }
  .form-card {
    padding: 24px 20px;
  }

  .auth-main {
    padding: 34px 20px 56px;
  }

  .mobile-nav a {
    font-size: 19px;
    padding: 14px 0;
  }
}

@media (max-width: 420px) {
  .btn {
    padding: 0 18px;
    height: 46px;
    font-size: 14px;
  }
  .hero-actions .btn {
    flex: 1;
  }
  .team-grid {
    grid-template-columns: 1fr;
  }
}