.page-faq {
  --faq-rail-gap: clamp(28px, 5vw, 56px);
  position: relative;
  padding-bottom: clamp(56px, 8vw, 104px);
}

.page-faq .faq-hero {
  position: relative;
  padding: clamp(18px, 3vw, 30px) 0 clamp(36px, 5vw, 60px);
  overflow: hidden;
}

.page-faq .faq-hero__wedge {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(80% 120% at 92% -10%, rgba(123, 92, 255, .30), transparent 62%),
    radial-gradient(60% 90% at 8% 2%, rgba(55, 227, 216, .12), transparent 60%),
    linear-gradient(180deg, rgba(11, 18, 43, .92), rgba(4, 7, 15, 0) 78%);
  clip-path: polygon(0 0, 100% 0, 100% 72%, 0 100%);
}

.page-faq .faq-hero > .container {
  position: relative;
  z-index: 1;
}

.page-faq .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: var(--fs-xs);
  color: var(--orbit);
}

.page-faq .breadcrumb li + li::before {
  content: "/";
  margin-right: 6px;
  opacity: .55;
}

.page-faq .breadcrumb a {
  color: var(--violet-2);
  text-decoration: none;
  transition: color var(--t);
}

.page-faq .breadcrumb a:hover,
.page-faq .breadcrumb a:focus-visible {
  color: var(--cyan);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 28px;
  margin-top: clamp(18px, 3vw, 30px);
}

.page-faq .faq-hero__copy h1 {
  margin: 10px 0 0;
  font-size: clamp(2rem, 6.6vw, 3.55rem);
  line-height: 1.14;
  letter-spacing: -.022em;
  color: var(--white);
  text-shadow: 0 0 34px rgba(55, 227, 216, .22);
}

.page-faq .faq-hero__copy .lede {
  margin-top: 16px;
  max-width: 58ch;
  color: var(--silver);
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-hero__meta li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: var(--fs-xs);
  color: var(--orbit);
}

.page-faq .faq-hero__meta-val {
  color: var(--cyan);
}

/* 搜索 / 索引筛选 */
.page-faq .faq-search {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--glass);
}

.page-faq .faq-search__input {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-pill);
  background: rgba(4, 7, 15, .72);
  color: var(--silver);
  font: inherit;
  font-size: var(--fs-sm);
  transition: border-color var(--t), box-shadow var(--t);
}

.page-faq .faq-search__input::placeholder {
  color: var(--orbit);
}

.page-faq .faq-search__input:focus {
  outline: none;
  border-color: var(--cyan);
  box-shadow: var(--glow-cyan);
}

.page-faq .faq-search__hint {
  margin: 10px 2px 0;
  font-size: var(--fs-xs);
  color: var(--orbit);
}

.page-faq .faq-search__list {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
}

.page-faq .faq-search__link {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 9px 12px;
  border: 1px solid transparent;
  border-radius: var(--r-sm);
  color: var(--silver);
  font-size: var(--fs-sm);
  text-decoration: none;
  transition: background var(--t), border-color var(--t), color var(--t);
}

.page-faq .faq-search__link:hover,
.page-faq .faq-search__link:focus-visible {
  background: var(--panel);
  border-color: var(--line);
  color: var(--white);
}

.page-faq .faq-search__route {
  flex: none;
  font-size: var(--fs-xs);
  color: var(--cyan);
}

/* 三类速查 */
.page-faq .faq-quick-section {
  padding-top: clamp(8px, 2vw, 18px);
}

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

.page-faq .faq-quick__intro h2 {
  margin: 10px 0 10px;
  font-size: clamp(1.4rem, 4.4vw, 2.1rem);
  letter-spacing: -.015em;
  color: var(--white);
}

.page-faq .faq-quick__intro p {
  margin: 0;
  color: var(--silver);
}

.page-faq .faq-quick {
  margin-top: 26px;
}

.page-faq .faq-quick__tabs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 8px;
  scrollbar-width: none;
}

.page-faq .faq-quick__tabs::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-quick__tab {
  flex: none;
  padding: 10px 18px;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-pill);
  background: rgba(18, 26, 56, .6);
  color: var(--silver);
  font: inherit;
  font-size: var(--fs-sm);
  cursor: pointer;
  transition: color var(--t), border-color var(--t), box-shadow var(--t);
}

.page-faq .faq-quick__tab:hover {
  color: var(--white);
  border-color: var(--line);
}

.page-faq .faq-quick__tab[aria-selected="true"] {
  color: var(--white);
  border-color: var(--cyan);
  box-shadow: inset 0 -2px 0 var(--cyan), 0 0 18px rgba(55, 227, 216, .18);
}

.page-faq .faq-quick__panel {
  margin-top: 18px;
  padding: clamp(18px, 3vw, 28px);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-lg);
  background: linear-gradient(150deg, rgba(18, 26, 56, .88), rgba(4, 7, 15, .6));
}

.page-faq [data-tab-panel][hidden] {
  display: none;
}

.page-faq .faq-quick__list {
  margin: 0;
  padding-left: 22px;
  display: grid;
  gap: 12px;
  color: var(--silver);
  font-size: var(--fs-sm);
}

.page-faq .faq-quick__list li::marker {
  color: var(--cyan);
  font-family: var(--font-mono);
}

.page-faq .faq-quick__list a {
  color: var(--violet-2);
  text-decoration: none;
  border-bottom: 1px solid rgba(183, 166, 255, .35);
  transition: color var(--t), border-color var(--t);
}

.page-faq .faq-quick__list a:hover,
.page-faq .faq-quick__list a:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
}

.page-faq .faq-quick__list--standalone {
  margin-top: 22px;
  padding: 22px 22px 22px 42px;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-lg);
  background: rgba(11, 18, 43, .55);
  gap: 14px;
}

/* 主体：左锚点 + 右内容 */
.page-faq .faq-layout {
  display: grid;
  gap: 32px;
}

.page-faq .faq-rail {
  position: sticky;
  top: 62px;
  z-index: 3;
  padding: 10px 0;
  background: linear-gradient(180deg, rgba(4, 7, 15, .95), rgba(4, 7, 15, .62) 80%, rgba(4, 7, 15, 0));
  backdrop-filter: blur(6px);
}

.page-faq .faq-rail__title {
  margin: 0 0 8px;
  font-size: var(--fs-xs);
  letter-spacing: .12em;
  color: var(--orbit);
}

.page-faq .faq-rail__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-faq .faq-rail__list::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-rail__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 15px;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-pill);
  background: rgba(18, 26, 56, .55);
  color: var(--silver);
  font-size: var(--fs-sm);
  white-space: nowrap;
  text-decoration: none;
  transition: color var(--t), border-color var(--t), box-shadow var(--t);
}

.page-faq .faq-rail__link:hover,
.page-faq .faq-rail__link:focus-visible {
  color: var(--white);
  border-color: var(--cyan);
  box-shadow: 0 0 16px rgba(55, 227, 216, .18);
}

.page-faq .faq-rail__num {
  font-size: var(--fs-xs);
  color: var(--cyan);
}

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

/* 区块 */
.page-faq .faq-block {
  position: relative;
  padding: clamp(30px, 4.4vw, 52px) 0;
  border-top: 1px solid var(--line-soft);
  scroll-margin-top: 96px;
}

.page-faq .faq-block:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-faq .faq-block::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 84px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--cyan), rgba(55, 227, 216, 0));
}

.page-faq .faq-block:first-child::before {
  display: none;
}

.page-faq .faq-block__num {
  margin: 0 0 10px;
  font-size: var(--fs-xs);
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-faq .faq-block__head h2 {
  margin: 0 0 12px;
  font-size: clamp(1.35rem, 3.6vw, 1.95rem);
  line-height: 1.24;
  letter-spacing: -.015em;
  color: var(--white);
}

.page-faq .faq-block__lede {
  margin: 0;
  max-width: 68ch;
  color: var(--silver);
}

.page-faq .faq-block h3 {
  margin: 34px 0 4px;
  font-size: var(--fs-md);
  color: var(--white);
}

/* 换机步骤 */
.page-faq .faq-relogin__grid {
  display: grid;
  gap: 26px;
  margin-top: 24px;
}

.page-faq .faq-steps__hint {
  margin: 0 0 16px;
  font-size: var(--fs-xs);
  color: var(--orbit);
}

.page-faq .faq-steps {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-faq .faq-steps::before {
  content: "";
  position: absolute;
  left: 19px;
  top: 16px;
  bottom: 16px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, rgba(123, 92, 255, .85), rgba(55, 227, 216, .22));
}

.page-faq .faq-step {
  position: relative;
}

.page-faq .faq-step__input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  opacity: 0;
  pointer-events: none;
}

.page-faq .faq-step__label {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 12px 14px 12px 0;
  border-radius: var(--r-md);
  cursor: pointer;
  transition: background var(--t);
}

.page-faq .faq-step__label:hover {
  background: rgba(18, 26, 56, .5);
}

.page-faq .faq-step__dot {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--ink-2);
  color: var(--orbit);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  transition: color var(--t), border-color var(--t), box-shadow var(--t), background var(--t);
}

.page-faq .faq-step__title {
  display: block;
  margin-bottom: 4px;
  font-weight: 600;
  color: var(--white);
}

.page-faq .faq-step__text {
  display: block;
  font-size: var(--fs-sm);
  color: var(--silver);
}

.page-faq .faq-step__input:checked + .faq-step__label {
  background: rgba(18, 26, 56, .72);
}

.page-faq .faq-step__input:checked + .faq-step__label .faq-step__dot {
  color: var(--cyan);
  border-color: var(--cyan);
  background: rgba(55, 227, 216, .12);
  box-shadow: var(--glow-cyan);
}

.page-faq .faq-step__input:focus-visible + .faq-step__label {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

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

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

.page-faq .faq-figure figcaption {
  margin-top: 10px;
  font-size: var(--fs-xs);
  color: var(--orbit);
}

/* 手风琴 */
.page-faq .accordion-item {
  margin-top: 12px;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
  background: rgba(11, 18, 43, .62);
  overflow: hidden;
  transition: background var(--t), border-color var(--t), box-shadow var(--t);
}

.page-faq .accordion-item:hover {
  border-color: var(--line);
}

.page-faq .accordion-item:has(.accordion-trigger[aria-expanded="true"]) {
  background: var(--panel);
  border-color: var(--line);
  box-shadow: inset 3px 0 0 var(--cyan);
}

.page-faq .accordion-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding: 16px 18px;
  border: 0;
  background: none;
  color: var(--silver);
  font: inherit;
  font-size: var(--fs-base);
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  transition: color var(--t);
}

.page-faq .accordion-trigger:hover,
.page-faq .accordion-trigger[aria-expanded="true"] {
  color: var(--white);
}

.page-faq .accordion-trigger::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  line-height: 1;
  color: var(--cyan);
}

.page-faq .accordion-trigger[aria-expanded="true"]::after {
  content: "–";
}

.page-faq .accordion-panel {
  padding: 0 18px 18px;
  font-size: var(--fs-sm);
  color: var(--silver);
}

.page-faq .accordion-panel[hidden] {
  display: none;
}

.page-faq .accordion-panel p {
  margin: 0 0 10px;
}

.page-faq .accordion-panel p:last-child {
  margin-bottom: 0;
}

.page-faq .accordion-panel .mono {
  color: var(--cyan);
}

/* 中部横幅 */
.page-faq .faq-banner {
  margin: clamp(34px, 5.5vw, 68px) 0;
}

.page-faq .faq-banner img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-xl);
  object-fit: cover;
}

.page-faq .faq-banner figcaption {
  margin-top: 12px;
  font-size: var(--fs-xs);
  color: var(--orbit);
}

/* 索引表 */
.page-faq .faq-table-wrap {
  margin-top: 24px;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
  background: rgba(11, 18, 43, .55);
  overflow-x: auto;
}

.page-faq .faq-table {
  width: 100%;
  min-width: 480px;
  border-collapse: collapse;
  font-size: var(--fs-sm);
}

.page-faq .faq-table caption {
  padding: 14px 16px 4px;
  text-align: left;
  font-size: var(--fs-xs);
  color: var(--orbit);
}

.page-faq .faq-table th,
.page-faq .faq-table td {
  padding: 13px 16px;
  text-align: left;
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-table thead th {
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: .05em;
  color: var(--violet-2);
}

.page-faq .faq-table tbody th {
  font-weight: 600;
  color: var(--white);
}

.page-faq .faq-table tbody td {
  color: var(--silver);
}

.page-faq .faq-table .mono {
  color: var(--cyan);
}

.page-faq .faq-table tbody tr:last-child th,
.page-faq .faq-table tbody tr:last-child td {
  border-bottom: 0;
}

/* 检索调整建议 */
.page-faq .faq-fixes {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-faq .faq-fix {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 14px;
  padding: 14px 16px;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
  background: rgba(18, 26, 56, .5);
}

.page-faq .faq-fix__num {
  font-size: var(--fs-xs);
  color: var(--cyan);
}

.page-faq .faq-fix strong {
  display: block;
  margin-bottom: 4px;
  font-weight: 600;
  color: var(--white);
}

.page-faq .faq-fix p {
  margin: 0;
  font-size: var(--fs-sm);
  color: var(--silver);
}

.page-faq .faq-note {
  margin: 22px 0 0;
  padding: 14px 16px 14px 18px;
  border-left: 3px solid var(--amber);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  background: rgba(255, 178, 92, .08);
  font-size: var(--fs-sm);
  color: var(--silver);
}

.page-faq .faq-note .mono {
  color: var(--amber);
}

/* 联系方式与准备清单 */
.page-faq .faq-contact {
  display: grid;
  gap: 22px;
  margin-top: 26px;
  padding: clamp(18px, 3vw, 28px);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(160deg, rgba(18, 26, 56, .9), rgba(4, 7, 15, .72));
}

.page-faq .faq-contact__row {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-contact__key {
  flex: 0 0 84px;
  font-size: var(--fs-xs);
  color: var(--orbit);
}

.page-faq .faq-contact__val {
  color: var(--white);
  word-break: break-word;
}

.page-faq .faq-contact__hint {
  margin: 12px 0 0;
  font-size: var(--fs-xs);
  color: var(--orbit);
}

.page-faq .faq-contact__title {
  margin: 0;
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--white);
}

.page-faq .faq-checklist {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-faq .faq-checklist li {
  position: relative;
  padding-left: 24px;
  font-size: var(--fs-sm);
  color: var(--silver);
}

.page-faq .faq-checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .55em;
  width: 10px;
  height: 10px;
  border: 1px solid var(--cyan);
  border-radius: 50%;
  box-shadow: 0 0 10px rgba(55, 227, 216, .5);
}

/* 跳转链接 */
.page-faq .faq-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.page-faq .faq-links a {
  display: inline-flex;
  align-items: center;
  padding: 9px 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  color: var(--violet-2);
  font-size: var(--fs-sm);
  text-decoration: none;
  transition: color var(--t), border-color var(--t), background var(--t);
}

.page-faq .faq-links a:hover,
.page-faq .faq-links a:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
  background: rgba(55, 227, 216, .06);
}

@media (min-width: 720px) {
  .page-faq .faq-relogin__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.62fr);
    gap: 34px;
    align-items: start;
  }

  .page-faq .faq-contact {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 30px;
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(300px, 0.8fr);
    gap: 56px;
    align-items: end;
  }

  .page-faq .faq-layout {
    grid-template-columns: 214px minmax(0, 1fr);
    gap: var(--faq-rail-gap);
    align-items: start;
  }

  .page-faq .faq-rail {
    top: 96px;
    padding: 0;
    background: none;
    backdrop-filter: none;
  }

  .page-faq .faq-rail__list {
    display: block;
    overflow: visible;
    padding: 0;
  }

  .page-faq .faq-rail__list li + li {
    margin-top: 6px;
  }

  .page-faq .faq-rail__link {
    display: flex;
    border-color: transparent;
    background: none;
    border-radius: var(--r-sm);
  }

  .page-faq .faq-rail__link:hover,
  .page-faq .faq-rail__link:focus-visible {
    background: rgba(18, 26, 56, .7);
    border-color: var(--line);
  }

  .page-faq .faq-relogin__grid {
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-search__input,
  .page-faq .faq-rail__link,
  .page-faq .faq-quick__tab,
  .page-faq .accordion-item,
  .page-faq .faq-step__dot,
  .page-faq .faq-step__label,
  .page-faq .faq-links a {
    transition: none;
  }
}