:root {
  color-scheme: dark;
  --bg: #07111f;
  --bg-soft: #0b1729;
  --surface: rgba(13, 28, 49, 0.78);
  --surface-strong: #0f2038;
  --line: rgba(163, 189, 222, 0.16);
  --line-strong: rgba(118, 225, 246, 0.34);
  --text: #f7fbff;
  --muted: #a8b8ce;
  --muted-strong: #c9d6e7;
  --cyan: #61e2f5;
  --cyan-strong: #35c8e6;
  --violet: #9c8cff;
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.38);
  --radius: 28px;
  --shell: min(1180px, calc(100% - 40px));
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 72% -10%, rgba(68, 116, 255, 0.16), transparent 34rem),
    var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.7;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

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

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

svg {
  display: block;
}

.shell {
  width: var(--shell);
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 10px;
  left: 10px;
  padding: 10px 16px;
  border-radius: 10px;
  background: #fff;
  color: #07111f;
  transform: translateY(-140%);
}

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

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

.site-header {
  position: relative;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  background: rgba(7, 17, 31, 0.78);
  backdrop-filter: blur(18px);
}

.header-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-height: 48px;
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(97, 226, 245, 0.18), rgba(156, 140, 255, 0.16));
  color: var(--cyan);
  font-weight: 900;
  letter-spacing: -0.08em;
}

.brand-copy {
  display: grid;
  line-height: 1.2;
}

.brand-copy strong {
  font-size: 0.93rem;
  letter-spacing: 0.08em;
}

.brand-copy small {
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.76rem;
}

.header-note {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
}

.header-note::before {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 16px rgba(97, 226, 245, 0.8);
  content: "";
}

.hero {
  position: relative;
  isolation: isolate;
  min-height: calc(100svh - 76px);
  display: grid;
  align-items: center;
  overflow: hidden;
  padding: 64px 0 72px;
}

.hero::before {
  position: absolute;
  z-index: -2;
  inset: 0;
  background-image:
    linear-gradient(rgba(141, 168, 205, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(141, 168, 205, 0.045) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.78), transparent 88%);
  content: "";
}

.hero-grid-glow {
  position: absolute;
  z-index: -1;
  width: 520px;
  height: 520px;
  top: 44%;
  right: 6%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(76, 111, 255, 0.2), rgba(97, 226, 245, 0.06) 40%, transparent 70%);
  filter: blur(10px);
  transform: translateY(-50%);
  pointer-events: none;
}

.hero-layout {
  display: grid;
  gap: 52px;
  align-items: center;
}

.hero-copy {
  max-width: 680px;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 22px;
  color: var(--cyan);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.18em;
}

.eyebrow > span {
  width: 34px;
  height: 1px;
  background: var(--cyan);
  box-shadow: 0 0 12px rgba(97, 226, 245, 0.5);
}

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

.hero h1 {
  margin-bottom: 26px;
  font-size: clamp(3.15rem, 12.5vw, 5.8rem);
  line-height: 0.99;
  letter-spacing: -0.075em;
  font-weight: 850;
}

.hero h1 em {
  font-style: normal;
  background: linear-gradient(100deg, #ffffff 10%, var(--cyan) 55%, var(--violet) 100%);
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
}

.hero-lead {
  max-width: 640px;
  margin-bottom: 32px;
  color: var(--muted-strong);
  font-size: 1.05rem;
  line-height: 1.9;
}

.hero-actions {
  display: grid;
  gap: 12px;
  margin-bottom: 20px;
}

.action {
  min-height: 58px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: 16px;
  font-weight: 800;
  letter-spacing: 0.01em;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    border-color 180ms ease,
    background 180ms ease;
}

.action svg {
  width: 20px;
  height: 20px;
}

.action-primary {
  background: linear-gradient(105deg, var(--cyan), #82d8ff);
  color: #06101e;
  box-shadow: 0 16px 44px rgba(53, 200, 230, 0.24);
}

.action-primary svg {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.action-secondary {
  border-color: var(--line-strong);
  background: rgba(12, 26, 46, 0.7);
  color: var(--text);
}

.action-secondary svg {
  fill: currentColor;
}

.action:hover {
  transform: translateY(-2px);
}

.action-primary:hover {
  box-shadow: 0 20px 54px rgba(53, 200, 230, 0.32);
}

.action-secondary:hover {
  border-color: rgba(97, 226, 245, 0.68);
  background: rgba(18, 38, 65, 0.88);
}

.destination-note {
  margin-bottom: 20px;
  color: var(--muted);
  font-size: 0.84rem;
}

.destination-note strong {
  color: var(--text);
  font-weight: 700;
}

.risk-note {
  max-width: 650px;
  display: flex;
  align-items: flex-start;
  gap: 11px;
  margin-bottom: 0;
  color: #c2ccdc;
  font-size: 0.82rem;
  line-height: 1.75;
}

.risk-note > span {
  width: 21px;
  height: 21px;
  flex: 0 0 21px;
  display: grid;
  place-items: center;
  margin-top: 3px;
  border: 1px solid rgba(252, 182, 79, 0.38);
  border-radius: 50%;
  background: rgba(252, 182, 79, 0.1);
  color: #ffc875;
  font-size: 0.72rem;
  font-weight: 900;
}

.service-visual {
  position: relative;
  min-height: 480px;
  overflow: hidden;
  border: 1px solid rgba(153, 181, 221, 0.2);
  border-radius: var(--radius);
  background:
    linear-gradient(145deg, rgba(22, 44, 75, 0.78), rgba(9, 23, 42, 0.94)),
    var(--surface-strong);
  box-shadow: var(--shadow);
}

.service-visual::before,
.service-visual::after {
  position: absolute;
  border-radius: 50%;
  filter: blur(4px);
  content: "";
}

.service-visual::before {
  width: 260px;
  height: 260px;
  top: -110px;
  right: -80px;
  background: rgba(97, 226, 245, 0.17);
}

.service-visual::after {
  width: 210px;
  height: 210px;
  bottom: -98px;
  left: -65px;
  background: rgba(156, 140, 255, 0.18);
}

.visual-topline {
  position: absolute;
  z-index: 5;
  top: 22px;
  left: 22px;
  right: 22px;
  display: flex;
  align-items: center;
  gap: 9px;
  color: #c8d6e9;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.visual-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 14px rgba(97, 226, 245, 0.8);
}

.visual-status {
  margin-left: auto;
  color: var(--cyan);
}

.visual-orbit {
  position: absolute;
  top: 50%;
  left: 50%;
  border: 1px solid rgba(97, 226, 245, 0.2);
  border-radius: 50%;
  transform: translate(-50%, -50%) rotate(-12deg);
}

.orbit-one {
  width: 310px;
  height: 220px;
}

.orbit-two {
  width: 400px;
  height: 300px;
  border-color: rgba(156, 140, 255, 0.15);
  transform: translate(-50%, -50%) rotate(19deg);
}

.visual-core {
  position: absolute;
  z-index: 3;
  top: 50%;
  left: 50%;
  width: 114px;
  height: 114px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 32px;
  background: linear-gradient(145deg, rgba(97, 226, 245, 0.2), rgba(156, 140, 255, 0.2));
  box-shadow: 0 18px 54px rgba(0, 0, 0, 0.28);
  transform: translate(-50%, -50%) rotate(7deg);
}

.visual-core span {
  margin-bottom: -16px;
  color: var(--text);
  font-size: 2.5rem;
  font-weight: 900;
  letter-spacing: -0.08em;
}

.visual-core small {
  color: var(--cyan);
  font-size: 0.58rem;
  font-weight: 800;
  letter-spacing: 0.18em;
}

.visual-card {
  position: absolute;
  z-index: 4;
  min-width: 170px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px;
  border: 1px solid rgba(178, 202, 232, 0.18);
  border-radius: 17px;
  background: rgba(9, 23, 42, 0.88);
  box-shadow: 0 16px 44px rgba(0, 0, 0, 0.22);
  backdrop-filter: blur(14px);
}

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

.visual-card strong {
  font-size: 0.9rem;
}

.visual-card small {
  margin-top: 2px;
  color: var(--muted);
  font-size: 0.68rem;
}

.card-icon {
  width: 34px;
  height: 34px;
  display: grid;
  flex: 0 0 34px;
  place-items: center;
  border: 1px solid rgba(97, 226, 245, 0.2);
  border-radius: 11px;
  background: rgba(97, 226, 245, 0.08);
  color: var(--cyan);
  font-size: 0.66rem;
  font-weight: 900;
}

.card-catalog {
  top: 88px;
  left: 25px;
}

.card-stock {
  top: 122px;
  right: 22px;
}

.card-delivery {
  bottom: 84px;
  left: 28px;
}

.card-support {
  right: 25px;
  bottom: 48px;
}

.site-footer {
  position: relative;
  z-index: 10;
  border-top: 1px solid var(--line);
  background: #050d18;
}

.info-section,
.process-section,
.compliance-section {
  position: relative;
  padding: 86px 0;
  border-top: 1px solid var(--line);
  background: #081423;
}

.process-section {
  background:
    radial-gradient(circle at 8% 50%, rgba(97, 226, 245, 0.06), transparent 28rem),
    #07111f;
}

.compliance-section {
  padding: 64px 0 84px;
}

.section-heading {
  max-width: 700px;
  margin-bottom: 34px;
}

.section-heading h2,
.compliance-panel h2 {
  margin-bottom: 14px;
  font-size: clamp(2rem, 5vw, 3.35rem);
  line-height: 1.13;
  letter-spacing: -0.055em;
}

.section-heading p {
  margin-bottom: 0;
  color: var(--muted);
}

.scope-grid {
  display: grid;
  gap: 14px;
}

.info-card {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: linear-gradient(145deg, rgba(16, 35, 60, 0.84), rgba(9, 22, 39, 0.82));
}

.info-index {
  display: inline-block;
  margin-bottom: 34px;
  color: var(--cyan);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.16em;
}

.info-card h3 {
  margin: 0 0 10px;
  font-size: 1.1rem;
}

.info-card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.78;
}

.process-layout {
  display: grid;
  gap: 34px;
}

.compact-process {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.compact-process li {
  min-height: 84px;
  display: flex;
  align-items: center;
  gap: 17px;
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(13, 29, 50, 0.7);
}

.compact-process li > span {
  width: 42px;
  height: 42px;
  display: grid;
  flex: 0 0 42px;
  place-items: center;
  border-radius: 13px;
  background: rgba(97, 226, 245, 0.1);
  color: var(--cyan);
  font-size: 0.8rem;
  font-weight: 900;
}

.compact-process strong,
.compact-process small {
  display: block;
}

.compact-process strong {
  margin-bottom: 3px;
}

.compact-process small {
  color: var(--muted);
  font-size: 0.78rem;
}

.compliance-panel {
  display: grid;
  gap: 28px;
  padding: 30px;
  border: 1px solid rgba(252, 182, 79, 0.22);
  border-radius: var(--radius);
  background: linear-gradient(145deg, rgba(69, 46, 18, 0.25), rgba(16, 29, 47, 0.8));
}

.compliance-panel .eyebrow {
  color: #ffc875;
}

.compliance-panel .eyebrow > span {
  background: #ffc875;
  box-shadow: none;
}

.compliance-panel h2 {
  margin-bottom: 0;
}

.compliance-panel ul {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.compliance-panel li {
  position: relative;
  padding-left: 22px;
  color: var(--muted-strong);
  font-size: 0.88rem;
}

.compliance-panel li::before {
  position: absolute;
  top: 0.75em;
  left: 0;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #ffc875;
  content: "";
}

.footer-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.footer-inner p {
  margin: 0;
  color: var(--muted);
  font-size: 0.78rem;
}

.footer-inner nav {
  display: flex;
  gap: 22px;
}

.footer-inner a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  color: var(--muted-strong);
  font-size: 0.82rem;
}

.footer-inner a:hover {
  color: var(--cyan);
}

.footer-disclaimer {
  padding: 0 0 24px;
  color: #75869d;
  font-size: 0.72rem;
  line-height: 1.7;
}

.cookie {
  position: fixed;
  z-index: 100;
  right: 18px;
  bottom: 18px;
  width: min(430px, calc(100% - 36px));
  display: none;
  align-items: center;
  gap: 14px;
  padding: 14px 14px 14px 18px;
  border: 1px solid var(--line-strong);
  border-radius: 16px;
  background: rgba(9, 23, 42, 0.96);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(18px);
}

.cookie.show {
  display: flex;
}

.cookie p {
  margin: 0;
  color: var(--muted-strong);
  font-size: 0.75rem;
  line-height: 1.55;
}

.cookie button {
  min-width: 64px;
  min-height: 44px;
  border: 0;
  border-radius: 12px;
  background: var(--cyan);
  color: #07111f;
  font-weight: 800;
  cursor: pointer;
}

.legal-main {
  min-height: calc(100svh - 76px);
  padding: 64px 0 88px;
}

.legal-shell {
  max-width: 830px;
}

.back-link {
  width: fit-content;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 44px;
  color: var(--muted);
  font-size: 0.84rem;
}

.back-link:hover {
  color: var(--cyan);
}

.back-link svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  transform: rotate(180deg);
}

.legal-main h1 {
  margin-bottom: 18px;
  font-size: clamp(2.4rem, 8vw, 4.3rem);
  line-height: 1.1;
  letter-spacing: -0.055em;
}

.legal-summary {
  max-width: 720px;
  margin-bottom: 42px;
  color: var(--muted);
  font-size: 1.02rem;
}

.legal-content {
  border-top: 1px solid var(--line);
}

.legal-content section {
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
}

.legal-content h2 {
  margin-bottom: 12px;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
}

.legal-content p {
  margin-bottom: 12px;
  color: var(--muted-strong);
}

.legal-content p:last-child {
  margin-bottom: 0;
}

.legal-content a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.not-found {
  position: relative;
  min-height: calc(100svh - 76px);
  display: grid;
  place-items: center;
  overflow: hidden;
  padding: 70px 0;
}

.not-found-glow {
  position: absolute;
  width: 460px;
  height: 460px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(97, 226, 245, 0.17), transparent 68%);
  pointer-events: none;
}

.not-found-inner {
  position: relative;
  text-align: center;
}

.error-code {
  color: var(--cyan);
  font-size: 0.8rem;
  font-weight: 900;
  letter-spacing: 0.28em;
}

.not-found h1 {
  margin: 10px 0 14px;
  font-size: clamp(2.6rem, 10vw, 5rem);
  line-height: 1.05;
  letter-spacing: -0.06em;
}

.not-found p {
  margin-bottom: 28px;
  color: var(--muted);
}

.not-found .action {
  min-width: 190px;
}

@media (min-width: 560px) {
  .hero-actions {
    grid-template-columns: minmax(210px, 1fr) minmax(190px, 0.82fr);
    max-width: 470px;
  }
}

@media (min-width: 900px) {
  .hero-layout {
    grid-template-columns: minmax(0, 1.06fr) minmax(400px, 0.94fr);
  }

  .hero-copy {
    padding-right: 12px;
  }

  .hero h1 {
    font-size: clamp(4.4rem, 6.4vw, 6.2rem);
  }

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

  .process-layout {
    grid-template-columns: 0.92fr 1.08fr;
    align-items: start;
  }

  .compliance-panel {
    grid-template-columns: 0.8fr 1.2fr;
    align-items: start;
    padding: 40px;
  }
}

@media (max-width: 899px) {
  .hero {
    padding-top: 56px;
  }

  .service-visual {
    min-height: 430px;
  }
}

@media (max-width: 559px) {
  :root {
    --shell: min(100% - 28px, 1180px);
    --radius: 22px;
  }

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

  .brand-mark {
    width: 38px;
    height: 38px;
  }

  .header-note {
    display: none;
  }

  .hero {
    min-height: auto;
    padding: 52px 0 58px;
  }

  .hero::before {
    background-size: 42px 42px;
  }

  .hero-layout {
    gap: 44px;
  }

  .eyebrow {
    margin-bottom: 18px;
    font-size: 0.67rem;
  }

  .hero h1 {
    margin-bottom: 22px;
  }

  .hero-lead {
    margin-bottom: 26px;
    font-size: 1rem;
    line-height: 1.82;
  }

  .hero-actions {
    justify-items: center;
  }

  .action {
    width: 100%;
    min-height: 60px;
  }

  .action-primary {
    min-height: 66px;
    font-size: 1.05rem;
  }

  .destination-note,
  .risk-note {
    font-size: 0.78rem;
  }

  .service-visual {
    min-height: 394px;
  }

  .visual-topline {
    top: 18px;
    left: 18px;
    right: 18px;
  }

  .orbit-one {
    width: 250px;
    height: 180px;
  }

  .orbit-two {
    width: 320px;
    height: 245px;
  }

  .visual-core {
    width: 96px;
    height: 96px;
    border-radius: 27px;
  }

  .visual-core span {
    font-size: 2rem;
  }

  .visual-card {
    min-width: 145px;
    gap: 9px;
    padding: 11px;
  }

  .visual-card strong {
    font-size: 0.78rem;
  }

  .visual-card small {
    font-size: 0.61rem;
  }

  .card-icon {
    width: 30px;
    height: 30px;
    flex-basis: 30px;
  }

  .card-catalog {
    top: 76px;
    left: 14px;
  }

  .card-stock {
    top: 110px;
    right: 12px;
  }

  .card-delivery {
    bottom: 68px;
    left: 14px;
  }

  .card-support {
    right: 12px;
    bottom: 36px;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
    gap: 6px;
    padding: 22px 0 12px;
  }

  .footer-inner nav {
    gap: 18px;
  }

  .footer-disclaimer {
    padding-bottom: 22px;
  }

  .cookie {
    left: 14px;
    right: 14px;
    bottom: 14px;
    width: auto;
  }

  .legal-main {
    padding: 42px 0 64px;
  }

  .info-section,
  .process-section {
    padding: 62px 0;
  }

  .compliance-section {
    padding: 48px 0 62px;
  }

  .section-heading {
    margin-bottom: 26px;
  }

  .info-card {
    padding: 22px;
  }

  .info-index {
    margin-bottom: 22px;
  }

  .compliance-panel {
    padding: 23px;
  }

  .back-link {
    margin-bottom: 28px;
  }

  .legal-summary {
    margin-bottom: 32px;
  }

  .legal-content section {
    padding: 24px 0;
  }
}

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

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

  .action:hover {
    transform: none;
  }
}

/* 帮助中心：保持现有深色科技风格，移动端优先。 */
.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.header-actions,
.header-nav {
  display: flex;
  align-items: center;
  gap: 18px;
}

.header-nav a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  color: var(--muted-strong);
  font-size: 0.84rem;
  font-weight: 750;
}

.header-nav a:hover {
  border-color: var(--line-strong);
  color: var(--cyan);
}

.help-main {
  min-height: calc(100svh - 76px);
  padding: 34px 0 88px;
  background:
    radial-gradient(circle at 8% 8%, rgba(97, 226, 245, 0.07), transparent 28rem),
    radial-gradient(circle at 92% 20%, rgba(156, 140, 255, 0.08), transparent 30rem);
}

.help-shell {
  max-width: 1180px;
}

.help-breadcrumb {
  margin-bottom: 28px;
}

.help-breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: 0;
  padding: 0;
  color: var(--muted);
  font-size: 0.82rem;
  list-style: none;
}

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

.help-breadcrumb li:not(:last-child)::after {
  color: #667b96;
  content: "/";
}

.help-breadcrumb a:hover {
  color: var(--cyan);
}

.help-hero,
.help-compact-hero {
  position: relative;
  overflow: hidden;
  padding: 32px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(17, 39, 67, 0.92), rgba(9, 23, 42, 0.9)),
    var(--surface-strong);
  box-shadow: var(--shadow);
}

.help-hero::after,
.help-compact-hero::after {
  position: absolute;
  width: 250px;
  height: 250px;
  top: -130px;
  right: -75px;
  border-radius: 50%;
  background: rgba(97, 226, 245, 0.12);
  filter: blur(4px);
  pointer-events: none;
  content: "";
}

.help-compact-hero {
  margin-bottom: 20px;
}

.help-kicker,
.help-section-heading > span,
.help-contact > div > span {
  display: block;
  margin-bottom: 10px;
  color: var(--cyan);
  font-size: 0.7rem;
  font-weight: 850;
  letter-spacing: 0.18em;
}

.help-hero h1,
.help-compact-hero h1 {
  position: relative;
  margin: 0 0 12px;
  font-size: clamp(2.5rem, 9vw, 5rem);
  line-height: 1.05;
  letter-spacing: -0.06em;
}

.help-compact-hero h1 {
  font-size: clamp(2.35rem, 7vw, 4.1rem);
}

.help-hero p,
.help-compact-hero p {
  max-width: 700px;
  margin: 0;
  color: var(--muted-strong);
}

.help-preview-badge {
  width: fit-content;
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  margin-bottom: 22px;
  padding: 4px 11px;
  border: 1px solid rgba(255, 200, 117, 0.34);
  border-radius: 999px;
  background: rgba(255, 200, 117, 0.1);
  color: #ffd495;
  font-size: 0.72rem;
  font-weight: 800;
}

.help-search {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  margin-top: 26px;
  padding: 8px 8px 8px 15px;
  border: 1px solid rgba(163, 189, 222, 0.26);
  border-radius: 17px;
  background: rgba(5, 14, 25, 0.75);
}

.help-search:focus-within {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(97, 226, 245, 0.1);
}

.help-search-icon svg {
  width: 21px;
  height: 21px;
  fill: none;
  stroke: var(--muted);
  stroke-width: 1.8;
}

.help-search input {
  width: 100%;
  min-height: 48px;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--text);
  font-size: 1rem;
}

.help-search input::placeholder {
  color: #7f91a8;
}

.help-search-clear,
.help-search-submit,
.help-pagination button {
  min-height: 44px;
  border: 0;
  border-radius: 11px;
  cursor: pointer;
  font-weight: 800;
}

.help-search-clear {
  display: none;
  padding: 0 8px;
  background: transparent;
  color: var(--muted);
  font-size: 0.78rem;
}

.help-search-clear.visible {
  display: inline-flex;
  align-items: center;
}

.help-search-submit {
  min-width: 78px;
  padding: 0 16px;
  background: var(--cyan);
  color: #07111f;
}

.help-categories {
  display: flex;
  gap: 8px;
  margin: 22px 0 48px;
  padding-bottom: 4px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.help-categories a {
  min-height: 44px;
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(12, 28, 49, 0.68);
  color: var(--muted-strong);
  font-size: 0.84rem;
  font-weight: 750;
}

.help-categories a:hover,
.help-categories a[aria-current="page"] {
  border-color: var(--line-strong);
  background: rgba(97, 226, 245, 0.1);
  color: var(--cyan);
}

.help-featured,
.help-all,
.help-related {
  margin-top: 54px;
}

.help-section-heading {
  margin-bottom: 22px;
}

.help-section-heading h2 {
  margin: 0;
  font-size: clamp(1.8rem, 5vw, 2.8rem);
  line-height: 1.15;
  letter-spacing: -0.045em;
}

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

.help-card {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: linear-gradient(145deg, rgba(16, 35, 60, 0.88), rgba(9, 22, 39, 0.88));
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.18);
}

.help-card[hidden] {
  display: none;
}

.help-card-cover {
  min-height: 190px;
  display: block;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: #0d1f37;
}

.help-card-cover img {
  width: 100%;
  height: 100%;
  min-height: 190px;
  display: block;
  object-fit: cover;
  transition: transform 220ms ease;
}

.help-card:hover .help-card-cover img {
  transform: scale(1.025);
}

.help-card-placeholder {
  min-height: 190px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, rgba(97, 226, 245, 0.16), rgba(156, 140, 255, 0.16));
  color: var(--cyan);
  font-size: 3rem;
  font-weight: 900;
}

.help-card-body {
  padding: 22px;
}

.help-card-meta,
.help-card-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 14px;
  color: var(--muted);
  font-size: 0.75rem;
}

.help-card-meta > span {
  color: var(--cyan);
  font-weight: 800;
}

.help-card h2 {
  margin: 16px 0 10px;
  font-size: 1.24rem;
  line-height: 1.36;
  letter-spacing: -0.025em;
}

.help-card h2 a:hover {
  color: var(--cyan);
}

.help-card h2 mark {
  border-radius: 4px;
  background: rgba(255, 200, 117, 0.24);
  color: #ffe0b1;
}

.help-card-body > p {
  display: -webkit-box;
  min-height: 5.2em;
  margin: 0 0 18px;
  overflow: hidden;
  color: var(--muted-strong);
  line-height: 1.75;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}

.help-card-foot {
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.help-read-more {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  color: var(--cyan);
  font-size: 0.85rem;
  font-weight: 850;
}

.help-read-more svg,
.help-contact .action svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.help-pagination {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-top: 28px;
}

.help-pagination[hidden] {
  display: none;
}

.help-pagination button {
  min-width: 44px;
  padding: 0 13px;
  border: 1px solid var(--line);
  background: rgba(12, 28, 49, 0.72);
  color: var(--muted-strong);
}

.help-pagination button[aria-current="page"] {
  border-color: var(--cyan);
  background: var(--cyan);
  color: #07111f;
}

.help-pagination button:disabled {
  cursor: not-allowed;
  opacity: 0.42;
}

.help-empty {
  padding: 46px 22px;
  border: 1px dashed var(--line-strong);
  border-radius: 20px;
  text-align: center;
}

.help-empty[hidden] {
  display: none;
}

.help-empty strong {
  display: block;
  margin-bottom: 8px;
  font-size: 1.2rem;
}

.help-empty p {
  margin-bottom: 14px;
  color: var(--muted);
}

.help-empty a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.help-contact {
  display: grid;
  gap: 24px;
  align-items: center;
  margin-top: 72px;
  padding: 28px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(97, 226, 245, 0.1), rgba(156, 140, 255, 0.08));
}

.help-contact h2 {
  margin: 0 0 10px;
  font-size: clamp(1.8rem, 5vw, 2.7rem);
  line-height: 1.15;
  letter-spacing: -0.045em;
}

.help-contact p {
  margin: 0;
  color: var(--muted-strong);
}

.help-contact .action {
  width: 100%;
}

.help-article {
  max-width: 980px;
  margin-inline: auto;
}

.help-article-header {
  max-width: 820px;
  margin: 42px auto 32px;
  text-align: center;
}

.help-article-header .help-preview-badge {
  margin-inline: auto;
}

.help-article-category {
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  margin-bottom: 18px;
  padding: 0 13px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--cyan);
  font-size: 0.78rem;
  font-weight: 850;
}

.help-article-header h1 {
  margin: 0 0 18px;
  font-size: clamp(2.5rem, 9vw, 5rem);
  line-height: 1.06;
  letter-spacing: -0.065em;
}

.help-article-header > p {
  margin-bottom: 22px;
  color: var(--muted-strong);
  font-size: 1.03rem;
}

.help-article-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 18px;
  color: var(--muted);
  font-size: 0.78rem;
}

.help-article-cover {
  margin: 0 0 42px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-strong);
}

.help-article-cover img {
  width: 100%;
  display: block;
}

.help-article-cover figcaption,
.help-media figcaption {
  padding: 10px 16px;
  color: var(--muted);
  font-size: 0.76rem;
  text-align: center;
}

.help-article-layout {
  display: grid;
  gap: 36px;
  align-items: start;
}

.help-article-body {
  min-width: 0;
  color: var(--muted-strong);
}

.help-article-body h1,
.help-article-body h2,
.help-article-body h3,
.help-article-body h4 {
  scroll-margin-top: 26px;
  color: var(--text);
  line-height: 1.28;
  letter-spacing: -0.035em;
}

.help-article-body h1 {
  margin: 52px 0 18px;
  font-size: 2.15rem;
}

.help-article-body h2 {
  margin: 46px 0 16px;
  font-size: 1.75rem;
}

.help-article-body h3 {
  margin: 36px 0 14px;
  font-size: 1.35rem;
}

.help-article-body h4 {
  margin: 30px 0 12px;
  font-size: 1.1rem;
}

.help-article-body > h1:first-child,
.help-article-body > h2:first-child {
  margin-top: 0;
}

.help-article-body p,
.help-article-body li {
  font-size: 1rem;
  line-height: 1.9;
}

.help-article-body a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.help-article-body ul,
.help-article-body ol {
  display: grid;
  gap: 9px;
  padding-left: 1.35rem;
}

.help-article-body blockquote {
  margin: 28px 0;
  padding: 18px 20px;
  border-left: 3px solid var(--violet);
  border-radius: 0 14px 14px 0;
  background: rgba(156, 140, 255, 0.08);
}

.help-article-body code {
  padding: 0.12em 0.36em;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: rgba(2, 9, 17, 0.72);
  color: #d7e7fa;
  font-family: "Cascadia Code", Consolas, monospace;
  font-size: 0.9em;
}

.help-article-body pre {
  max-width: 100%;
  overflow: auto;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #030a13;
}

.help-article-body pre code {
  padding: 0;
  border: 0;
  background: transparent;
}

.help-article-body hr {
  margin: 38px 0;
  border: 0;
  border-top: 1px solid var(--line);
}

.help-media {
  margin: 34px 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--surface-strong);
}

.help-media img {
  width: 100%;
  display: block;
}

.help-callout {
  margin: 30px 0;
  padding: 20px;
  border: 1px solid var(--line-strong);
  border-radius: 16px;
  background: rgba(97, 226, 245, 0.08);
}

.help-callout-warning {
  border-color: rgba(255, 200, 117, 0.38);
  background: rgba(255, 200, 117, 0.08);
}

.help-callout strong {
  display: block;
  margin-bottom: 6px;
  color: var(--text);
}

.help-callout p {
  margin: 0;
}

.help-steps {
  margin: 40px 0;
}

.help-steps > h2,
.help-faq > h2,
.help-video-heading h2,
.help-attachments h2 {
  margin: 0 0 18px;
  color: var(--text);
  font-size: 1.6rem;
}

.help-steps ol {
  display: grid;
  gap: 11px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.help-steps li {
  display: flex;
  gap: 15px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: rgba(13, 29, 50, 0.64);
}

.help-steps li > span {
  width: 38px;
  height: 38px;
  display: grid;
  flex: 0 0 38px;
  place-items: center;
  border-radius: 12px;
  background: rgba(97, 226, 245, 0.12);
  color: var(--cyan);
  font-size: 0.8rem;
  font-weight: 900;
}

.help-steps strong {
  display: block;
  color: var(--text);
}

.help-steps p {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.help-video {
  margin: 40px 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: #020810;
}

.help-video-heading {
  padding: 20px;
  background: rgba(13, 29, 50, 0.9);
}

.help-video-heading h2 {
  margin-bottom: 6px;
}

.help-video-heading p {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.help-video video {
  width: 100%;
  max-height: 620px;
  display: block;
  background: #000;
}

.help-faq {
  margin: 40px 0;
}

.help-faq details {
  border-top: 1px solid var(--line);
}

.help-faq details:last-child {
  border-bottom: 1px solid var(--line);
}

.help-faq summary {
  min-height: 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  color: var(--text);
  cursor: pointer;
  font-weight: 800;
}

.help-faq summary::after {
  color: var(--cyan);
  content: "+";
}

.help-faq details[open] summary::after {
  content: "−";
}

.help-faq details p {
  margin: 0;
  padding: 0 0 20px;
}

.help-table-wrap {
  max-width: 100%;
  margin: 30px 0;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 15px;
}

.help-table-wrap table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
}

.help-table-wrap th,
.help-table-wrap td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
}

.help-table-wrap th {
  background: rgba(97, 226, 245, 0.08);
  color: var(--text);
}

.help-toc {
  display: none;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 17px;
  background: rgba(11, 25, 44, 0.82);
}

.help-toc > strong {
  display: block;
  margin-bottom: 13px;
}

.help-toc ol {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.help-toc a {
  color: var(--muted);
  font-size: 0.8rem;
}

.help-toc a:hover {
  color: var(--cyan);
}

.help-toc .toc-level-3,
.help-toc .toc-level-4 {
  padding-left: 12px;
}

.help-attachments {
  margin-top: 40px;
}

.help-attachments ul {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.help-attachments a {
  min-height: 54px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 13px;
  text-decoration: none;
}

.help-attachments small {
  color: var(--muted);
}

.help-article-navigation {
  display: grid;
  gap: 12px;
  margin-top: 52px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.help-article-navigation a {
  min-height: 82px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 15px;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: rgba(13, 29, 50, 0.62);
}

.help-article-navigation small {
  margin-bottom: 4px;
  color: var(--muted);
}

.help-back-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.help-back-actions a {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  padding: 0 16px;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  color: var(--cyan);
  font-size: 0.84rem;
  font-weight: 800;
}

@media (min-width: 700px) {
  .help-hero {
    grid-template-columns: minmax(0, 1fr) minmax(320px, 0.72fr);
    display: grid;
    align-items: center;
    gap: 36px;
    padding: 44px;
  }

  .help-hero .help-search {
    margin-top: 0;
  }

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

  .help-contact {
    grid-template-columns: minmax(0, 1fr) auto;
    padding: 36px;
  }

  .help-contact .action {
    width: auto;
    min-width: 250px;
  }

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

  .help-article-navigation a:last-child {
    text-align: right;
  }
}

@media (min-width: 1040px) {
  .help-card-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .help-article-layout {
    grid-template-columns: minmax(0, 1fr) 230px;
  }

  .help-toc {
    position: sticky;
    top: 24px;
    display: block;
  }
}

@media (max-width: 559px) {
  .header-actions {
    gap: 6px;
  }

  .header-nav a {
    padding: 0 11px;
    font-size: 0.78rem;
  }

  .help-main {
    min-height: calc(100svh - 68px);
    padding-top: 22px;
  }

  .help-hero,
  .help-compact-hero {
    padding: 26px 18px;
  }

  .help-search {
    grid-template-columns: 22px minmax(0, 1fr) auto;
    padding-left: 12px;
  }

  .help-search-submit {
    min-width: 66px;
    padding-inline: 12px;
  }

  .help-search-clear {
    position: absolute;
    right: 76px;
    padding-inline: 5px;
  }

  .help-search input {
    padding-right: 36px;
  }

  .help-categories {
    margin-bottom: 40px;
  }

  .help-card-cover,
  .help-card-cover img,
  .help-card-placeholder {
    min-height: 176px;
  }

  .help-card-body {
    padding: 20px;
  }

  .help-contact {
    padding: 24px 20px;
  }

  .help-article-header {
    margin-top: 32px;
  }

  .help-article-header h1 {
    font-size: clamp(2.35rem, 12vw, 3.6rem);
  }

  .help-article-body h1 {
    font-size: 1.85rem;
  }

  .help-article-body h2 {
    font-size: 1.55rem;
  }

  .help-article-cover {
    border-radius: 19px;
  }

  .help-video,
  .help-media {
    border-radius: 16px;
  }
}