.page-faq {
  --faq-rule: rgba(168, 176, 200, .16);
  --faq-node-bg: rgba(19, 26, 58, .68);
  background: var(--deep-space);
  color: var(--mist-white);
  overflow-x: clip;
}

.page-faq .section {
  position: relative;
  padding-block: clamp(72px, 9vw, 148px);
}

.page-faq .section[id] {
  scroll-margin-top: 128px;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  padding-block: clamp(56px, 7vw, 108px) clamp(48px, 6vw, 92px);
  overflow: hidden;
  background:
    radial-gradient(120% 78% at 78% 6%, rgba(108, 75, 246, .26), transparent 62%),
    radial-gradient(90% 60% at 12% 42%, rgba(47, 227, 214, .1), transparent 68%),
    var(--deep-space);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-strong) 22%, var(--line-strong) 78%, transparent);
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero .breadcrumb {
  margin-bottom: 28px;
}

.page-faq .faq-hero h1 {
  margin: 16px 0 0;
  max-width: 17ch;
  font-size: clamp(36px, 6.4vw, 78px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -.012em;
  color: var(--mist-white);
  text-wrap: balance;
}

.page-faq .faq-hero__lead {
  max-width: 60ch;
  margin: 26px 0 0;
  font-size: var(--fs-body);
  line-height: 1.85;
  color: var(--alloy-grey);
}

.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 36px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-jump a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-pill);
  font-size: var(--fs-14);
  color: var(--alloy-grey);
  text-decoration: none;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-jump a:hover,
.page-faq .faq-jump a:focus-visible {
  color: var(--deep-space);
  background: var(--ion-cyan);
  border-color: var(--ion-cyan);
}

.page-faq .faq-hero__meta {
  max-width: 68ch;
  margin: 40px 0 0;
  padding-top: 22px;
  border-top: 1px solid var(--faq-rule);
  font-size: var(--fs-14);
  line-height: 1.85;
  color: var(--alloy-grey);
}

/* ---------- 注册五步 ---------- */

.page-faq .faq-register {
  background: var(--deep-space);
}

.page-faq .register-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 4.4vw, 58px);
  margin-top: clamp(36px, 4.6vw, 64px);
}

.page-faq .register-figure {
  margin: 0;
}

.page-faq .register-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 66vh;
  object-fit: cover;
  object-position: top center;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
}

.page-faq .faq-steps {
  display: flex;
  flex-direction: column;
  gap: clamp(34px, 4.2vw, 62px);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-steps > .step {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  padding-top: clamp(22px, 2.6vw, 34px);
  border-top: 1px solid var(--faq-rule);
}

.page-faq .faq-steps .step__num {
  font-family: var(--font-mono);
  font-size: clamp(40px, 5.4vw, 68px);
  font-weight: 600;
  line-height: .88;
  letter-spacing: -.04em;
  color: var(--ion-cyan);
  opacity: .92;
}

.page-faq .step__body {
  min-width: 0;
}

.page-faq .step__title {
  margin: 0 0 8px;
  font-size: clamp(20px, 2.1vw, 27px);
  font-weight: 700;
  line-height: 1.34;
  color: var(--mist-white);
}

.page-faq .step__en {
  margin: 0 0 14px;
  font-family: var(--font-en);
  font-size: var(--fs-12);
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--alloy-grey);
  opacity: .82;
}

.page-faq .step__body p {
  margin: 0 0 12px;
  font-size: var(--fs-body);
  line-height: 1.8;
  color: var(--alloy-grey);
}

.page-faq .step__points {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}

.page-faq .step__points li {
  position: relative;
  padding-left: 22px;
  font-size: var(--fs-14);
  line-height: 1.72;
  color: var(--alloy-grey);
}

.page-faq .step__points li::before {
  content: "";
  position: absolute;
  left: 3px;
  top: .72em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ion-cyan);
  opacity: .78;
}

.page-faq .step__note {
  margin: 18px 0 0;
  padding: 13px 18px;
  border-left: 2px solid var(--solar-gold);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  background: var(--gold-16);
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--mist-white);
}

/* ---------- 回访定位 ---------- */

.page-faq .faq-return {
  background: var(--orbital-navy);
}

.page-faq .return-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 4.4vw, 56px);
  margin-top: clamp(36px, 4.6vw, 62px);
}

.page-faq .return-steps {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 30px;
}

.page-faq .return-steps::before {
  content: "";
  position: absolute;
  left: 21px;
  top: 24px;
  bottom: 24px;
  width: 1px;
  background: linear-gradient(180deg, var(--ion-cyan), rgba(47, 227, 214, .04));
}

.page-faq .return-steps > li {
  position: relative;
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: clamp(16px, 2vw, 24px);
  align-items: start;
}

.page-faq .return-steps__num {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--ion-cyan);
  background: var(--orbital-navy);
  font-family: var(--font-mono);
  font-size: var(--fs-16);
  color: var(--ion-cyan);
}

.page-faq .return-steps h3 {
  margin: 8px 0 8px;
  font-size: clamp(18px, 1.9vw, 22px);
  font-weight: 700;
  line-height: 1.4;
  color: var(--mist-white);
}

.page-faq .return-steps p {
  margin: 0;
  font-size: var(--fs-body);
  line-height: 1.8;
  color: var(--alloy-grey);
}

.page-faq .return-figure {
  margin: 0;
}

.page-faq .return-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
}

.page-faq .map-block {
  margin-top: clamp(52px, 6vw, 88px);
}

.page-faq .map-block__title {
  margin: 0 0 20px;
  font-size: var(--fs-20);
  font-weight: 700;
  color: var(--mist-white);
}

.page-faq .map-table {
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
  font-size: var(--fs-14);
}

.page-faq .map-table th,
.page-faq .map-table td {
  padding: 15px 18px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--faq-rule);
  line-height: 1.7;
}

.page-faq .map-table thead th {
  font-family: var(--font-en);
  font-size: var(--fs-12);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--solar-gold);
  border-bottom-color: var(--line-strong);
  white-space: nowrap;
}

.page-faq .map-table tbody tr:hover {
  background: var(--cyan-08);
}

.page-faq .map-table td:first-child {
  color: var(--alloy-grey);
}

.page-faq .map-table td:nth-child(2) {
  color: var(--mist-white);
  font-weight: 500;
}

.page-faq .map-table td:last-child {
  color: var(--alloy-grey);
}

/* ---------- 第二栏 ---------- */

.page-faq .faq-orbit {
  background: var(--deep-space);
}

.page-faq .orbit-shell {
  position: relative;
  padding: clamp(28px, 4vw, 56px) clamp(22px, 3.4vw, 48px);
  border-radius: var(--r-xl);
  background:
    radial-gradient(80% 120% at 8% 0%, rgba(47, 227, 214, .1), transparent 58%),
    radial-gradient(70% 90% at 96% 100%, rgba(108, 75, 246, .18), transparent 60%),
    var(--nebula-mid);
  overflow: hidden;
}

.page-faq .orbit-shell__intro {
  max-width: 66ch;
}

.page-faq .orbit-shell__intro .section-title {
  margin-top: 12px;
}

.page-faq .orbit-shell__intro p {
  margin: 16px 0 0;
  font-size: var(--fs-body);
  line-height: 1.82;
  color: var(--alloy-grey);
}

.page-faq .orbit-shell__hint {
  padding-top: 14px;
  border-top: 1px solid var(--faq-rule);
  font-size: var(--fs-14);
}

.page-faq .orbit-track {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
  margin-top: clamp(28px, 3.4vw, 44px);
}

.page-faq .orbit-node {
  padding: 26px 24px;
  border-radius: var(--r-lg);
  background: var(--faq-node-bg);
  border: 1px solid var(--line);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .orbit-node:hover {
  transform: translateY(-3px);
  border-color: var(--line-strong);
}

.page-faq .orbit-node__key {
  margin: 0;
  font-family: var(--font-en);
  font-size: var(--fs-12);
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--alloy-grey);
}

.page-faq .orbit-node h3 {
  margin: 12px 0 10px;
  font-size: var(--fs-20);
  font-weight: 700;
  color: var(--mist-white);
}

.page-faq .orbit-node__desc {
  margin: 0 0 16px;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--alloy-grey);
}

.page-faq .orbit-node ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-faq .orbit-node li {
  position: relative;
  padding-left: 16px;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--mist-white);
  opacity: .86;
}

.page-faq .orbit-node li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 6px;
  height: 1px;
  background: currentColor;
  opacity: .6;
}

.page-faq .orbit-node__deal {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--faq-rule);
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--alloy-grey);
}

.page-faq .orbit-node--cyan {
  border-top: 2px solid var(--ion-cyan);
}

.page-faq .orbit-node--violet {
  border-top: 2px solid var(--nebula-violet);
}

.page-faq .orbit-node--gold {
  border-top: 2px solid var(--solar-gold);
}

/* ---------- 双语与显示 ---------- */

.page-faq .faq-lang {
  background: var(--orbital-navy);
}

.page-faq .faq-notes {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 3vw, 40px);
  margin: clamp(34px, 4.2vw, 56px) 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-notes .plate {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(16px, 2vw, 28px);
  padding-top: 22px;
  border-top: 1px solid var(--faq-rule);
}

.page-faq .faq-notes .plate__index {
  font-family: var(--font-mono);
  font-size: var(--fs-20);
  color: var(--solar-gold);
  line-height: 1.2;
}

.page-faq .plate__body h3 {
  margin: 0 0 10px;
  font-size: var(--fs-20);
  font-weight: 700;
  line-height: 1.4;
  color: var(--mist-white);
}

.page-faq .plate__body p {
  margin: 0;
  font-size: var(--fs-body);
  line-height: 1.8;
  color: var(--alloy-grey);
}

/* ---------- 折叠问答 ---------- */

.page-faq .faq-qa {
  background: var(--deep-space);
}

.page-faq .faq-accordion {
  margin-top: clamp(34px, 4.2vw, 56px);
  display: grid;
  gap: 14px;
}

.page-faq .accordion__item {
  border-radius: var(--r-md);
  background: rgba(11, 16, 36, .72);
  border: 1px solid var(--line);
  overflow: hidden;
}

.page-faq .accordion__item[data-open="true"] {
  border-color: var(--line-strong);
}

.page-faq .accordion__btn {
  display: block;
  width: 100%;
  min-height: 60px;
  padding: 18px 52px 18px 22px;
  text-align: left;
  font-family: var(--font-zh);
  font-size: clamp(16px, 1.6vw, 18px);
  font-weight: 600;
  line-height: 1.5;
  color: var(--mist-white);
  background: transparent;
  border: 0;
  cursor: pointer;
  position: relative;
}

.page-faq .accordion__btn::after {
  content: "";
  position: absolute;
  right: 24px;
  top: 50%;
  width: 10px;
  height: 10px;
  margin-top: -7px;
  border-right: 2px solid var(--ion-cyan);
  border-bottom: 2px solid var(--ion-cyan);
  transform: rotate(45deg);
  transition: transform var(--dur) var(--ease);
}

.page-faq .accordion__item[data-open="true"] .accordion__btn::after {
  transform: rotate(-135deg);
  margin-top: -3px;
}

.page-faq .accordion__panel {
  padding: 0 22px 22px;
}

.page-faq .accordion__panel p {
  margin: 0;
  padding-top: 16px;
  border-top: 1px solid var(--faq-rule);
  font-size: var(--fs-body);
  line-height: 1.85;
  color: var(--alloy-grey);
}

/* ---------- 兜底联系 ---------- */

.page-faq .faq-help {
  background:
    radial-gradient(90% 100% at 88% 0%, rgba(108, 75, 246, .2), transparent 60%),
    var(--orbital-navy);
}

.page-faq .help-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 4vw, 56px);
  align-items: start;
}

.page-faq .help-lead .section-title {
  margin-top: 12px;
}

.page-faq .help-lead p {
  max-width: 56ch;
  margin: 18px 0 26px;
  font-size: var(--fs-body);
  line-height: 1.85;
  color: var(--alloy-grey);
}

.page-faq .help-channels {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--line);
}

.page-faq .help-channel {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  align-items: baseline;
  justify-content: space-between;
  padding: 18px 20px;
  background: rgba(11, 16, 36, .78);
}

.page-faq .help-channel__key {
  font-family: var(--font-en);
  font-size: var(--fs-12);
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--alloy-grey);
}

.page-faq .help-channel__val {
  font-size: var(--fs-16);
  color: var(--mist-white);
  word-break: break-word;
}

.page-faq .help-prep {
  margin-top: clamp(34px, 4vw, 56px);
  padding-top: 26px;
  border-top: 1px solid var(--line-strong);
}

.page-faq .help-prep__title {
  margin: 0 0 20px;
  font-size: clamp(20px, 2vw, 26px);
  font-weight: 700;
  color: var(--mist-white);
}

.page-faq .help-prep__list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .help-prep__list li {
  position: relative;
  padding-left: 22px;
  font-size: var(--fs-body);
  line-height: 1.8;
  color: var(--alloy-grey);
}

.page-faq .help-prep__list li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: .74em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ion-cyan);
  opacity: .8;
}

.page-faq .help-prep__list strong {
  color: var(--mist-white);
  font-weight: 600;
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-faq .faq-steps > .step {
    grid-template-columns: clamp(72px, 10vw, 108px) minmax(0, 1fr);
    gap: clamp(18px, 2.6vw, 34px);
    align-items: start;
  }

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

  .page-faq .help-channel {
    justify-content: flex-start;
    flex-direction: column;
    gap: 6px;
  }

  .page-faq .help-prep__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px 32px;
  }
}

@media (min-width: 940px) {
  .page-faq .register-layout {
    grid-template-columns: minmax(0, .76fr) minmax(0, 1.24fr);
    align-items: start;
  }

  .page-faq .register-figure {
    position: sticky;
    top: 116px;
  }

  .page-faq .return-layout {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    align-items: center;
  }

  .page-faq .orbit-track {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }

  .page-faq .orbit-node {
    display: flex;
    flex-direction: column;
  }

  .page-faq .orbit-node__deal {
    margin-top: auto;
  }

  .page-faq .orbit-node:nth-child(2) {
    transform: translateY(26px);
  }

  .page-faq .orbit-node:nth-child(2):hover {
    transform: translateY(23px);
  }

  .page-faq .faq-notes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 34px 48px;
  }

  .page-faq .help-grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-steps > .step {
    padding-top: 38px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .orbit-node,
  .page-faq .orbit-node:hover,
  .page-faq .orbit-node:nth-child(2),
  .page-faq .orbit-node:nth-child(2):hover {
    transform: none;
    transition: none;
  }

  .page-faq .accordion__btn::after {
    transition: none;
  }
}