:root {
  --site-bg: #FDFAF7;
  --site-bg-soft: #F9F2EC;
  --site-card: #ffffff;
  --site-ink: #0f172a;
  --site-muted: #5b6475;
  --site-line: #EDE2D9;
  --site-brand: #FB8B43;
  --site-brand-strong: #B45309;
  --site-brand-soft: #FFF3E9;
  --site-accent: #FFB067;
  --site-dark: #0b1220;
  --site-dark-2: #111c33;
  --site-radius: 20px;
  --site-shadow: 0 24px 70px rgba(69, 37, 17, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--site-ink);
  background: var(--site-bg);
  -webkit-font-smoothing: antialiased;
}

[v-cloak] {
  display: none !important;
}

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

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

img {
  max-width: 100%;
}

code {
  padding: 2px 6px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.92em;
  color: var(--site-brand-strong);
  background: var(--site-brand-soft);
  border-radius: 6px;
}

.container {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 999;
  padding: 10px 16px;
  color: #2b1608;
  background: var(--site-brand);
  border-radius: 10px;
  transform: translateY(-160%);
  transition: transform 0.15s ease;
}

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

.nowrap {
  white-space: nowrap;
}

:focus-visible {
  outline: 3px solid rgba(251, 139, 67, 0.45);
  outline-offset: 3px;
}

/* header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(253, 250, 247, 0.88);
  border-bottom: 1px solid rgba(237, 226, 217, 0.9);
  backdrop-filter: blur(14px);
}

.header-inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 72px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
}

.brand-mark {
  display: block;
  flex: none;
  width: 40px;
  height: 40px;
  object-fit: cover;
  background: transparent;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(251, 139, 67, 0.24);
}

.brand-mark--small {
  width: 36px;
  height: 36px;
  border-radius: 10px;
}

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

.brand-copy strong {
  font-size: 17px;
  letter-spacing: 0.2px;
}

.brand-copy small {
  margin-top: 4px;
  font-size: 10px;
  color: var(--site-muted);
  letter-spacing: 2.4px;
}

.brand--light .brand-copy strong {
  color: #fff;
}

.brand--light .brand-copy small {
  color: #8fa0b8;
}

.brand--footer .brand-copy strong {
  color: #fff;
}

.brand--footer .brand-copy small {
  color: #7c8ca5;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 34px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 14px;
  color: #475569;
}

.nav-links a {
  padding: 8px 0;
  transition: color 0.18s ease;
}

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

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

.nav-login {
  font-size: 14px;
  color: #475569;
}

.nav-user {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 13px;
  color: var(--site-muted);
}

.nav-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  font-size: 13px;
  font-weight: 700;
  color: var(--site-brand-strong);
  background: var(--site-brand-soft);
  border-radius: 50%;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  padding: 0 10px;
  cursor: pointer;
  background: #fff;
  border: 1px solid var(--site-line);
  border-radius: 11px;
}

.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--site-ink);
  border-radius: 999px;
}

/* buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 42px;
  padding: 10px 20px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.2;
  cursor: pointer;
  border: 1px solid transparent;
  border-radius: 11px;
  transition: transform 0.18s ease, background 0.18s ease, border-color 0.18s ease,
    box-shadow 0.18s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:disabled {
  cursor: not-allowed;
  opacity: 0.65;
  transform: none;
}

.btn-sm {
  min-height: 36px;
  padding: 8px 14px;
  font-size: 13px;
  border-radius: 9px;
}

.btn-lg {
  min-height: 50px;
  padding: 14px 26px;
  font-size: 15px;
  border-radius: 13px;
}

.btn-block {
  width: 100%;
}

.btn-primary {
  color: #2b1608;
  background: linear-gradient(135deg, #FB8B43, #FFA65C);
  box-shadow: 0 12px 28px rgba(251, 139, 67, 0.24);
}

.btn-primary:hover {
  box-shadow: 0 16px 34px rgba(251, 139, 67, 0.3);
}

.btn-outline-light {
  color: #e2e8f0;
  background: rgba(255, 255, 255, 0.02);
  border-color: rgba(226, 232, 240, 0.26);
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(226, 232, 240, 0.42);
}

.btn-light {
  color: var(--site-ink);
  background: #fff;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.2);
}

.btn-quiet {
  color: var(--site-muted);
  background: #fff;
  border-color: var(--site-line);
}

/* shared */

.eyebrow {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  font-size: 11px;
  font-weight: 700;
  color: var(--site-brand-strong);
  letter-spacing: 2.2px;
  text-transform: uppercase;
}

.eyebrow--light {
  color: #FFB273;
}

.eyebrow-dot {
  width: 6px;
  height: 6px;
  background: currentColor;
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(255, 178, 115, 0.12);
}

.gradient-text {
  color: transparent;
  background: linear-gradient(120deg, #FFD6B8 0%, #FB8B43 55%, #FFC48F 100%);
  -webkit-background-clip: text;
  background-clip: text;
}

.section {
  padding: 96px 0;
  scroll-margin-top: 88px;
}

.section--soft {
  background: var(--site-bg-soft);
  border-top: 1px solid rgba(237, 226, 217, 0.7);
  border-bottom: 1px solid rgba(237, 226, 217, 0.7);
}

.section-head {
  max-width: 760px;
}

.section-head--center {
  margin: 0 auto 52px;
  text-align: center;
}

.section-head--center .eyebrow {
  justify-content: center;
}

.section-head h2,
.requirements-copy h2,
.faq-intro h2 {
  margin-bottom: 16px;
  font-size: clamp(30px, 3.4vw, 42px);
  line-height: 1.18;
  letter-spacing: -1px;
}

.section-head > p:last-child,
.requirements-copy > p:not(.eyebrow),
.faq-intro > p:last-child {
  margin-bottom: 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--site-muted);
}

/* hero */

.hero {
  position: relative;
  padding: 84px 0 48px;
  overflow: hidden;
  color: #fff;
  background:
    radial-gradient(circle at 12% 18%, rgba(251, 139, 67, 0.3), transparent 36%),
    radial-gradient(circle at 86% 72%, rgba(255, 176, 103, 0.16), transparent 38%),
    linear-gradient(145deg, #0b1220 0%, #1c1410 58%, #0b0a09 100%);
}

.hero-orbit {
  position: absolute;
  top: -180px;
  right: -120px;
  width: 560px;
  height: 560px;
  pointer-events: none;
  border: 1px solid rgba(255, 178, 115, 0.14);
  border-radius: 50%;
}

.hero-orbit::before,
.hero-orbit::after {
  position: absolute;
  content: "";
  border: 1px solid rgba(255, 178, 115, 0.1);
  border-radius: 50%;
}

.hero-orbit::before {
  inset: 80px;
}

.hero-orbit::after {
  inset: 170px;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  gap: 56px;
  align-items: center;
}

.hero-copy h1 {
  margin-bottom: 24px;
  font-size: clamp(42px, 5.2vw, 66px);
  line-height: 1.12;
  letter-spacing: -2px;
}

.hero-lead {
  max-width: 580px;
  margin-bottom: 30px;
  font-size: 16px;
  line-height: 1.9;
  color: #b8c5d8;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  padding: 0;
  margin: 30px 0 0;
  font-size: 13px;
  color: #9dabbe;
  list-style: none;
}

.hero-points li {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.point-check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  font-size: 10px;
  color: #FFC28D;
  border: 1px solid rgba(255, 194, 141, 0.28);
  border-radius: 50%;
}

.hero-visual {
  margin: 0;
}

.hero-shot {
  padding: 8px;
  background: linear-gradient(145deg, rgba(148, 163, 184, 0.22), rgba(30, 41, 59, 0.4));
  border: 1px solid rgba(148, 163, 184, 0.18);
  border-radius: 22px;
  box-shadow: 0 40px 90px rgba(0, 0, 0, 0.38);
}

.hero-shot img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 15px;
}

.hero-visual figcaption {
  margin-top: 14px;
  font-size: 12px;
  line-height: 1.6;
  color: #8090a8;
  text-align: center;
}

.feature-figure figcaption {
  margin-top: 14px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--site-muted);
  text-align: center;
}

.capability-panel + figcaption {
  color: var(--site-muted);
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 56px;
  border-top: 1px solid rgba(148, 163, 184, 0.16);
  border-bottom: 1px solid rgba(148, 163, 184, 0.16);
}

.metric {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 22px 24px;
}

.metric + .metric {
  border-left: 1px solid rgba(148, 163, 184, 0.14);
}

.metric strong {
  font-size: 15px;
  color: #fff;
}

.metric span {
  font-size: 12px;
  color: #8fa0b8;
}

/* feature rows */

.feature-row {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 64px;
  align-items: center;
  margin-top: 76px;
}

.feature-row + .feature-row {
  margin-top: 96px;
}

.feature-copy h3 {
  margin-bottom: 18px;
  font-size: clamp(26px, 2.8vw, 34px);
  line-height: 1.28;
  letter-spacing: -0.7px;
}

.feature-copy > p:not(.feature-kicker) {
  margin-bottom: 22px;
  font-size: 15px;
  line-height: 1.9;
  color: var(--site-muted);
}

.feature-kicker {
  margin-bottom: 12px !important;
  font-size: 12px !important;
  font-weight: 700;
  color: var(--site-brand-strong) !important;
  letter-spacing: 1.2px;
}

.check-list {
  display: flex;
  flex-direction: column;
  gap: 11px;
  padding: 0;
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: #3f4a5c;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 25px;
}

.check-list li::before {
  position: absolute;
  top: 5px;
  left: 0;
  width: 15px;
  height: 15px;
  content: "";
  background:
    linear-gradient(135deg, rgba(251, 139, 67, 0.12), rgba(255, 176, 103, 0.12));
  border-radius: 5px;
}

.check-list li::after {
  position: absolute;
  top: 5px;
  left: 5px;
  font-size: 10px;
  font-weight: 700;
  color: var(--site-brand-strong);
  content: "✓";
}

.feature-figure {
  margin: 0;
}

.feature-figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--site-line);
  border-radius: 18px;
  box-shadow: var(--site-shadow);
}

.feature-figure--panel {
  display: flex;
  flex-direction: column;
}

.capability-panel {
  position: relative;
  padding: 26px;
  overflow: hidden;
  color: #fff;
  background:
    radial-gradient(circle at 86% 12%, rgba(255, 176, 103, 0.2), transparent 36%),
    linear-gradient(150deg, #1c1410, #0b0d12);
  border: 1px solid rgba(148, 163, 184, 0.14);
  border-radius: 20px;
  box-shadow: var(--site-shadow);
}

.capability-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 28px;
}

.capability-label {
  font-size: 12px;
  color: #94a3b8;
  letter-spacing: 0.5px;
}

.capability-chip {
  padding: 5px 10px;
  font-size: 11px;
  color: #FFC28D;
  background: rgba(255, 176, 103, 0.08);
  border: 1px solid rgba(255, 176, 103, 0.24);
  border-radius: 999px;
}

.capability-title {
  margin-bottom: 22px;
  font-size: clamp(28px, 3.4vw, 38px);
  font-weight: 700;
  line-height: 1.28;
  letter-spacing: -1px;
}

.capability-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.capability-meta span {
  padding: 5px 9px;
  font-size: 11px;
  color: #aab6c8;
  background: rgba(148, 163, 184, 0.08);
  border-radius: 6px;
}

.capability-wave {
  display: flex;
  align-items: center;
  gap: 5px;
  height: 70px;
  padding: 0 14px;
  background: rgba(148, 163, 184, 0.06);
  border-radius: 10px;
}

.capability-wave span {
  flex: 1;
  min-height: 4px;
  background: linear-gradient(180deg, #FFB273, #FB8B43);
  border-radius: 999px;
  opacity: 0.8;
}

.capability-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.capability-actions span {
  padding: 8px 12px;
  font-size: 11px;
  color: #FFE1C7;
  background: rgba(251, 139, 67, 0.16);
  border: 1px solid rgba(255, 178, 115, 0.2);
  border-radius: 8px;
}

.capability-actions span:last-child {
  color: #FFC28D;
  background: rgba(255, 176, 103, 0.12);
  border-color: rgba(255, 176, 103, 0.28);
}

/* capability cards */

.capability-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.capability-card {
  padding: 26px;
  background: var(--site-card);
  border: 1px solid var(--site-line);
  border-radius: 16px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.capability-card:hover {
  border-color: #F2D6C3;
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.06);
  transform: translateY(-2px);
}

.card-index {
  display: inline-block;
  margin-bottom: 24px;
  font-size: 11px;
  font-weight: 700;
  color: var(--site-brand-strong);
  letter-spacing: 1.4px;
}

.capability-card h3 {
  margin-bottom: 10px;
  font-size: 18px;
  letter-spacing: -0.2px;
}

.capability-card p {
  margin-bottom: 0;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--site-muted);
}

/* workflow */

.workflow-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.workflow-step {
  padding: 26px;
  background: var(--site-card);
  border: 1px solid var(--site-line);
  border-radius: 18px;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  height: 28px;
  padding: 0 9px;
  margin-bottom: 22px;
  font-size: 11px;
  font-weight: 700;
  color: var(--site-brand-strong);
  background: var(--site-brand-soft);
  border-radius: 999px;
}

.workflow-step h3 {
  margin-bottom: 10px;
  font-size: 17px;
}

.workflow-step p {
  margin-bottom: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--site-muted);
}

/* requirements */

.requirements-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.95fr);
  gap: 56px;
  align-items: center;
}

.platform-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 30px;
}

.platform-item {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--site-line);
  border-radius: 12px;
}

.platform-item strong {
  font-size: 14px;
}

.platform-item span {
  font-size: 12px;
  color: var(--site-muted);
  text-align: right;
}

.requirements-card {
  padding: 30px;
  background: #fff;
  border: 1px solid var(--site-line);
  border-radius: var(--site-radius);
  box-shadow: var(--site-shadow);
}

.requirements-card-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.requirements-card-head h3 {
  margin-bottom: 0;
  font-size: 20px;
}

.badge {
  display: inline-flex;
  padding: 5px 9px;
  font-size: 11px;
  font-weight: 600;
  border-radius: 999px;
}

.badge--success {
  color: #047857;
  background: #ecfdf5;
  border: 1px solid #a7f3d0;
}

.requirements-card > p {
  margin-bottom: 20px;
  font-size: 13px;
  line-height: 1.8;
  color: var(--site-muted);
}

.requirements-list {
  margin: 0;
}

.requirements-list > div {
  padding: 14px 0;
  border-top: 1px solid var(--site-line);
}

.requirements-list dt {
  margin-bottom: 5px;
  font-size: 12px;
  font-weight: 700;
  color: var(--site-ink);
}

.requirements-list dd {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--site-muted);
}

/* FAQ */

.faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
  gap: 64px;
  align-items: start;
}

.faq-intro {
  position: sticky;
  top: 100px;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.faq-item {
  background: #fff;
  border: 1px solid var(--site-line);
  border-radius: 14px;
}

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 19px 22px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-icon {
  position: relative;
  flex-shrink: 0;
  width: 16px;
  height: 16px;
}

.faq-icon::before,
.faq-icon::after {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 12px;
  height: 1.5px;
  content: "";
  background: var(--site-muted);
  border-radius: 999px;
  transform: translate(-50%, -50%);
  transition: transform 0.2s ease;
}

.faq-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.faq-item[open] .faq-icon::after {
  transform: translate(-50%, -50%) rotate(0deg);
}

.faq-item p {
  padding: 0 22px 20px;
  margin: 0;
  font-size: 13.5px;
  line-height: 1.9;
  color: var(--site-muted);
}

/* CTA */

.cta {
  padding: 76px 0;
  color: #fff;
  background:
    radial-gradient(circle at 85% 20%, rgba(255, 176, 103, 0.2), transparent 36%),
    linear-gradient(135deg, #0b0d12, #2a160d);
}

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

.cta-copy {
  max-width: 640px;
}

.cta-copy h2 {
  margin-bottom: 12px;
  font-size: clamp(30px, 3.6vw, 44px);
  line-height: 1.2;
  letter-spacing: -1px;
}

.cta-copy > p:last-child {
  margin-bottom: 0;
  font-size: 14px;
  color: #a9b7cb;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.cta-user {
  width: 100%;
  margin-bottom: 0;
  font-size: 13px;
  color: #a9b7cb;
}

.cta-user strong {
  color: #fff;
}

/* footer */

.site-footer {
  padding: 62px 0 24px;
  color: #cbd5e1;
  background: #080e19;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 0.55fr) minmax(0, 0.55fr);
  gap: 48px;
}

.footer-brand p {
  max-width: 380px;
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.85;
  color: #8291a7;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 11px;
}

.footer-col h2 {
  margin-bottom: 8px;
  font-size: 11px;
  color: #8494aa;
  letter-spacing: 1.6px;
  text-transform: uppercase;
}

.footer-col a {
  width: fit-content;
  font-size: 13px;
  color: #a7b4c6;
  transition: color 0.18s ease;
}

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-top: 26px;
  margin-top: 48px;
  font-size: 11.5px;
  color: #8494aa;
  border-top: 1px solid rgba(148, 163, 184, 0.12);
}

.footer-bottom p {
  margin-bottom: 0;
}

.footer-bottom a,
.auth-legal a {
  color: #a7b4c6;
  transition: color 0.18s ease;
}

.footer-bottom a:hover,
.auth-legal a:hover {
  color: #fff;
}

.footer-divider {
  margin: 0 5px;
  color: #556275;
}

.auth-legal {
  margin-top: 8px;
}

.auth-legal a {
  margin: 0 5px;
}

/* auth */

.auth-body {
  min-height: 100vh;
  color: #fff;
  background:
    radial-gradient(circle at 15% 15%, rgba(251, 139, 67, 0.26), transparent 34%),
    radial-gradient(circle at 85% 85%, rgba(255, 176, 103, 0.14), transparent 36%),
    #0b1220;
}

.auth-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1180px, calc(100% - 48px));
  padding: 26px 0;
  margin: 0 auto;
}

.auth-home-link {
  font-size: 13px;
  color: #93a3ba;
}

.auth-home-link:hover {
  color: #fff;
}

.auth-main {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(380px, 460px);
  gap: 70px;
  align-items: center;
  width: min(1180px, calc(100% - 48px));
  min-height: calc(100vh - 200px);
  padding: 36px 0 60px;
  margin: 0 auto;
}

.auth-pitch h1 {
  margin-bottom: 22px;
  font-size: clamp(38px, 4.6vw, 58px);
  line-height: 1.16;
  letter-spacing: -1.6px;
}

.auth-pitch > p:not(.eyebrow) {
  max-width: 480px;
  margin-bottom: 28px;
  font-size: 14.5px;
  line-height: 1.9;
  color: #9bacc1;
}

.auth-points {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 0;
  margin: 0;
  font-size: 13px;
  color: #8fa0b8;
  list-style: none;
}

.auth-points li {
  position: relative;
  padding-left: 22px;
}

.auth-points li::before {
  position: absolute;
  top: 1px;
  left: 0;
  color: #FFB273;
  content: "✓";
}

.auth-card-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.auth-card {
  width: 100%;
  padding: 34px;
  color: var(--site-ink);
  background: #fff;
  border-radius: 24px;
  box-shadow: 0 34px 90px rgba(0, 0, 0, 0.32);
}

.auth-card-head {
  display: flex;
  align-items: center;
  gap: 13px;
  padding-bottom: 22px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--site-line);
}

.auth-card-head h2 {
  margin-bottom: 4px;
  font-size: 22px;
  letter-spacing: -0.5px;
}

.auth-card-head p {
  margin-bottom: 0;
  font-size: 12.5px;
  color: var(--site-muted);
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.field label {
  font-size: 13px;
  font-weight: 600;
}

.field label span {
  font-size: 11px;
  font-weight: 400;
  color: #64748b;
}

.field-label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.field-link {
  font-size: 12px;
  font-weight: 600;
  color: var(--site-brand-strong);
}

.field-link:hover {
  text-decoration: underline;
}

.field input {
  width: 100%;
  height: 47px;
  padding: 0 13px;
  font-family: inherit;
  font-size: 14px;
  color: var(--site-ink);
  background: #FFFCF9;
  border: 1px solid #E9DDD3;
  border-radius: 10px;
  transition: border-color 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.field input::placeholder {
  color: #A89A8F;
}

.field input:hover {
  border-color: #DCCABE;
}

.field input:focus {
  background: #fff;
  border-color: var(--site-brand);
  outline: none;
  box-shadow: 0 0 0 4px rgba(251, 139, 67, 0.1);
}

.field input[aria-invalid="true"] {
  border-color: #ef4444;
}

.field-hint {
  margin-bottom: 0;
  font-size: 11.5px;
  color: #64748b;
}

.field-error {
  margin-bottom: 0;
  font-size: 11.5px;
  color: #dc2626;
}

.code-row {
  display: flex;
  align-items: stretch;
  gap: 8px;
}

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

.btn-code {
  flex: 0 0 auto;
  min-height: 47px;
  padding: 0 14px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--site-brand-strong);
  white-space: nowrap;
  background: #fff;
  border: 1px solid #E9DDD3;
  border-radius: 10px;
}

.btn-code:hover:not(:disabled) {
  background: var(--site-brand-soft);
  border-color: #FFD1AE;
}

.btn-code:disabled {
  cursor: not-allowed;
  opacity: 0.65;
  transform: none;
}

.form-alert,
.form-notice {
  padding: 11px 13px;
  margin: 0;
  font-size: 12.5px;
  line-height: 1.6;
  border-radius: 9px;
}

.form-alert {
  color: #b91c1c;
  background: #fef2f2;
  border: 1px solid #fecaca;
}

.form-notice {
  color: #047857;
  background: #ecfdf5;
  border: 1px solid #a7f3d0;
}

.auth-switch {
  margin: 22px 0 0;
  font-size: 12.5px;
  color: var(--site-muted);
  text-align: center;
}

.auth-switch a {
  font-weight: 600;
  color: var(--site-brand-strong);
}

.auth-back {
  margin-top: 20px;
  font-size: 12.5px;
  color: #8fa0b8;
}

.auth-back:hover {
  color: #fff;
}

.auth-footer {
  padding: 20px 24px 32px;
  font-size: 11.5px;
  color: #8fa0b8;
  text-align: center;
}

.auth-footer p {
  margin-bottom: 0;
}

/* responsive */

@media (max-width: 1080px) {
  .capability-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .feature-row {
    gap: 40px;
  }

  .auth-main {
    gap: 44px;
  }
}

@media (max-width: 900px) {
  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: absolute;
    top: 66px;
    right: 0;
    left: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 16px;
    padding: 18px;
    background: #fff;
    border: 1px solid var(--site-line);
    border-radius: 14px;
    box-shadow: 0 24px 50px rgba(15, 23, 42, 0.12);
  }

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

  .nav-links {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  .nav-links a {
    width: 100%;
    padding: 9px 0;
  }

  .nav-actions {
    justify-content: flex-start;
    padding-top: 14px;
    border-top: 1px solid var(--site-line);
  }

  .hero {
    padding-top: 64px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 44px;
  }

  .hero-copy h1 {
    letter-spacing: -1.2px;
  }

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

  .metric:nth-child(3) {
    border-left: none;
  }

  .metric:nth-child(-n + 2) {
    border-bottom: 1px solid rgba(148, 163, 184, 0.14);
  }

  .section {
    padding: 74px 0;
  }

  .feature-row {
    grid-template-columns: 1fr;
    gap: 30px;
    margin-top: 56px;
  }

  .feature-row + .feature-row {
    margin-top: 70px;
  }

  .feature-row .feature-copy {
    order: -1;
  }

  .requirements-grid,
  .faq-layout {
    grid-template-columns: 1fr;
    gap: 38px;
  }

  .faq-intro {
    position: static;
  }

  .faq-intro > p:last-child {
    max-width: 560px;
  }

  .cta-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 28px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .auth-main {
    grid-template-columns: 1fr;
    max-width: 560px;
    gap: 34px;
    padding-top: 24px;
  }

  .auth-pitch h1 {
    font-size: 38px;
  }

  .auth-pitch > p {
    margin-bottom: 18px;
  }

  .auth-points {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 8px 18px;
  }
}

@media (max-width: 640px) {
  .container,
  .auth-topbar,
  .auth-main {
    width: calc(100% - 32px);
  }

  .header-inner {
    height: 66px;
  }

  .brand-copy small {
    display: none;
  }

  .nav-user-name {
    display: none;
  }

  .hero {
    padding: 52px 0 36px;
  }

  .hero-copy h1 {
    font-size: clamp(36px, 10vw, 48px);
  }

  .hero-lead {
    font-size: 14.5px;
  }

  .hero-actions .btn {
    flex: 1 1 auto;
  }

  .hero-points {
    flex-direction: column;
    gap: 10px;
  }

  .metric {
    padding: 18px 16px;
  }

  .section {
    padding: 62px 0;
  }

  .section-head--center {
    margin-bottom: 36px;
  }

  .capability-grid,
  .workflow-grid {
    grid-template-columns: 1fr;
  }

  .capability-card,
  .workflow-step {
    padding: 22px;
  }

  .platform-item {
    flex-direction: column;
    gap: 5px;
  }

  .platform-item span {
    text-align: left;
  }

  .requirements-card {
    padding: 24px;
  }

  .faq-item summary {
    padding: 16px 18px;
    font-size: 14px;
  }

  .faq-item p {
    padding: 0 18px 18px;
  }

  .cta {
    padding: 56px 0;
  }

  .cta-actions {
    width: 100%;
  }

  .cta-actions .btn {
    flex: 1 1 auto;
  }

  .site-footer {
    padding-top: 46px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

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

  .auth-card {
    padding: 24px;
    border-radius: 18px;
  }

  .auth-topbar {
    padding: 18px 0;
  }

  .auth-main {
    padding-bottom: 40px;
  }

  .auth-pitch h1 {
    font-size: 32px;
  }

  .auth-points {
    display: none;
  }

  .code-row {
    flex-direction: column;
  }

  .code-row input {
    flex: none;
    width: 100%;
  }

  .btn-code {
    width: 100%;
  }
}

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

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

/* account devices */

.devices-section {
  padding-top: 64px;
  padding-bottom: 80px;
  background: linear-gradient(180deg, var(--site-bg) 0%, var(--site-bg-soft) 100%);
}

.devices-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 28px;
}

.devices-heading h1 {
  margin: 0 0 12px;
  font-size: clamp(30px, 3.4vw, 42px);
  line-height: 1.18;
  letter-spacing: -1px;
}

.devices-heading p:not(.eyebrow) {
  max-width: 680px;
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--site-muted);
}

.devices-summary {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.device-summary-card {
  padding: 22px 24px;
  background: var(--site-card);
  border: 1px solid var(--site-line);
  border-radius: 18px;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.04);
}

.device-summary-label {
  display: block;
  font-size: 12px;
  color: var(--site-muted);
  letter-spacing: 0.08em;
}

.device-summary-card strong {
  display: block;
  margin: 8px 0 6px;
  font-size: 30px;
  line-height: 1.1;
}

.device-summary-card strong small {
  font-size: 14px;
  color: var(--site-muted);
}

.device-summary-card p {
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--site-muted);
}

.devices-panel {
  overflow: hidden;
  background: var(--site-card);
  border: 1px solid var(--site-line);
  border-radius: var(--site-radius);
  box-shadow: var(--site-shadow);
}

.devices-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 24px 28px;
  border-bottom: 1px solid var(--site-line);
}

.devices-panel-head h2 {
  margin: 0 0 6px;
  font-size: 18px;
}

.devices-panel-head p {
  margin: 0;
  font-size: 13px;
  color: var(--site-muted);
}

.devices-state {
  padding: 48px 28px;
  font-size: 14px;
  color: var(--site-muted);
  text-align: center;
}

.devices-empty {
  padding: 56px 24px 64px;
  text-align: center;
}

.devices-empty-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  margin-bottom: 16px;
  font-size: 20px;
  font-weight: 700;
  color: #2b1608;
  background: linear-gradient(135deg, #FB8B43, #FFB067);
  border-radius: 16px;
  box-shadow: 0 12px 30px rgba(251, 139, 67, 0.25);
}

.devices-empty h3 {
  margin: 0 0 8px;
  font-size: 18px;
}

.devices-empty p {
  margin: 0;
  font-size: 14px;
  color: var(--site-muted);
}

.device-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.device-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 18px;
  align-items: start;
  padding: 24px 28px;
  border-bottom: 1px solid var(--site-line);
}

.device-card:last-child {
  border-bottom: none;
}

.device-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--site-brand-strong);
  background: var(--site-brand-soft);
  border-radius: 14px;
}

.device-body {
  min-width: 0;
}

.device-title {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.device-title strong {
  font-size: 16px;
}

.device-state {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 9px;
  font-size: 11px;
  font-weight: 600;
  border-radius: 999px;
}

.device-state::before {
  width: 6px;
  height: 6px;
  content: "";
  background: currentColor;
  border-radius: 50%;
}

.device-state.is-online {
  color: #047857;
  background: #ecfdf5;
}

.device-state.is-expired {
  color: #64748b;
  background: #f1f5f9;
}

.device-subtitle {
  margin: 5px 0 14px;
  font-size: 13px;
  color: var(--site-muted);
}

.device-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 22px;
  margin: 0;
}

.device-meta div {
  min-width: 0;
}

.device-meta dt {
  font-size: 11px;
  color: #94a3b8;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.device-meta dd {
  margin: 2px 0 0;
  font-size: 13px;
  color: #334155;
  word-break: break-all;
}

.device-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 10px;
}

.device-confirm {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  padding: 10px;
  background: #fff7ed;
  border: 1px solid #fed7aa;
  border-radius: 12px;
}

.device-confirm span {
  width: 100%;
  font-size: 12px;
  color: #9a3412;
  text-align: right;
}

.btn-danger {
  color: #fff;
  background: linear-gradient(135deg, #dc2626, #ef4444);
  box-shadow: 0 10px 22px rgba(220, 38, 38, 0.2);
}

.devices-note {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--site-muted);
}

@media (max-width: 900px) {
  .devices-heading {
    flex-direction: column;
    align-items: flex-start;
  }

  .devices-summary {
    grid-template-columns: 1fr;
  }

  .device-card {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .device-actions {
    grid-column: 1 / -1;
    align-items: flex-start;
  }

  .device-confirm {
    justify-content: flex-start;
  }

  .device-confirm span {
    text-align: left;
  }
}

@media (max-width: 640px) {
  .devices-section {
    padding-top: 42px;
    padding-bottom: 56px;
  }

  .devices-panel-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .device-card {
    padding: 20px;
  }

  .device-summary-card {
    padding: 18px 20px;
  }

  .device-meta {
    grid-template-columns: 1fr;
  }

  .device-actions,
  .device-actions .btn {
    width: 100%;
  }

  .device-confirm {
    width: 100%;
  }
}