.page-faq {
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  overflow-x: hidden;
}

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

.page-faq .section {
  padding: 48px 0;
  border-top: 1px solid var(--line);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: 22px 0 48px;
  border-bottom: 1px solid var(--line);
  background:
    repeating-linear-gradient(90deg, rgba(155, 176, 166, 0.09) 0 1px, transparent 1px 76px),
    repeating-linear-gradient(0deg, rgba(155, 176, 166, 0.06) 0 1px, transparent 1px 76px),
    radial-gradient(120% 90% at 88% -10%, rgba(53, 240, 207, 0.16), transparent 62%),
    var(--ink);
}

.page-faq .faq-hero__band {
  position: absolute;
  right: -24%;
  bottom: -44%;
  width: 86%;
  height: 72%;
  background: linear-gradient(120deg, rgba(255, 106, 46, 0.28), rgba(255, 106, 46, 0) 72%);
  transform: rotate(-13deg);
  pointer-events: none;
}

.page-faq .faq-hero__band::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: -12px;
  height: 1px;
  background: var(--line-cyan);
}

.page-faq .crumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-faq .crumbs li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--line-strong);
}

.page-faq .crumbs a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

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

.page-faq .kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--sand);
}

.page-faq .kicker::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--sand);
  flex: 0 0 auto;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 28px;
}

.page-faq .faq-hero h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 7.6vw, 72px);
  line-height: 0.98;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-faq .faq-hero h1 span {
  display: block;
  color: var(--cyan);
}

.page-faq .faq-hero__lead {
  max-width: 44ch;
  margin: 0 0 22px;
  font-size: 15.5px;
  line-height: 1.78;
  color: rgba(242, 250, 246, 0.8);
}

.page-faq .faq-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
}

.page-faq .faq-statebar {
  display: grid;
  gap: 10px;
  margin: 22px 0 0;
  padding: 14px 16px;
  list-style: none;
  border: 1px solid var(--line);
  border-left: 2px solid var(--orange);
  background: rgba(11, 42, 32, 0.72);
}

.page-faq .faq-statebar li {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
}

.page-faq .faq-statebar__desc {
  color: var(--muted);
  font-size: 12.5px;
  line-height: 1.5;
}

.page-faq .faq-facts {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(18, 61, 46, 0.92), rgba(11, 42, 32, 0.92));
  padding: 18px;
}

.page-faq .faq-facts__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--sand);
}

.page-faq .faq-facts dl {
  margin: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-facts dl > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 9px;
  border-bottom: 1px dashed var(--line);
}

.page-faq .faq-facts dl > div:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-faq .faq-facts dt {
  font-size: 13px;
  color: var(--muted);
}

.page-faq .faq-facts dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--cyan);
}

/* ---------- 区块标题 ---------- */
.page-faq .faq-head {
  max-width: 64ch;
  margin-bottom: 28px;
}

.page-faq .faq-head h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(25px, 4.6vw, 40px);
  line-height: 1.12;
  letter-spacing: -0.015em;
}

.page-faq .faq-head p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: rgba(242, 250, 246, 0.78);
}

/* ---------- 分组索引与面板 ---------- */
.page-faq .faq-tabs {
  display: grid;
  gap: 22px;
}

.page-faq .faq-tabs__list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin: 0;
  padding: 0;
  border: 0;
  background: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

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

.page-faq .faq-tab {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "idx name"
    "idx meta";
  column-gap: 12px;
  align-items: center;
  width: 100%;
  min-width: 226px;
  flex: 0 0 auto;
  padding: 12px 14px;
  text-align: left;
  background: transparent;
  border: 1px solid transparent;
  border-left: 2px solid var(--line-strong);
  color: var(--muted);
  font-family: var(--font-body);
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.page-faq .faq-tab:hover {
  background: rgba(18, 61, 46, 0.62);
  color: var(--paper);
}

.page-faq .faq-tab[aria-selected="true"] {
  background: var(--ink-2);
  border-color: var(--line);
  border-left-color: var(--cyan);
  color: var(--paper);
}

.page-faq .faq-tab:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

.page-faq .faq-tab__idx {
  grid-area: idx;
  align-self: start;
  padding-top: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
}

.page-faq .faq-tab[aria-selected="true"] .faq-tab__idx {
  color: var(--orange);
}

.page-faq .faq-tab__name {
  grid-area: name;
  font-weight: 700;
  font-size: 15px;
  line-height: 1.3;
}

.page-faq .faq-tab__meta {
  grid-area: meta;
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
}

.page-faq .faq-panel {
  min-width: 0;
  padding-top: 4px;
  animation: faq-fade var(--dur) var(--ease) both;
}

@keyframes faq-fade {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.page-faq .faq-panel h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(21px, 3.6vw, 30px);
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.page-faq .faq-panel__lead {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(242, 250, 246, 0.78);
}

.page-faq .faq-panel__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
}

.page-faq .faq-panel__top {
  display: grid;
  gap: 18px;
  margin-bottom: 8px;
}

.page-faq .faq-figure {
  position: relative;
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink-2);
  overflow: hidden;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(0.92) contrast(1.04);
}

.page-faq .faq-figure figcaption {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 6px 10px;
  background: rgba(6, 23, 17, 0.84);
  border-top: 1px solid var(--line-cyan);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
}

/* ---------- 六步排查 ---------- */
.page-faq .faq-steps {
  position: relative;
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
}

.page-faq .faq-steps::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 16px;
  bottom: 16px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan), rgba(53, 240, 207, 0.1));
}

.page-faq .faq-step {
  position: relative;
  min-width: 0;
  padding-left: 44px;
  margin: 0 0 10px;
}

.page-faq .faq-step__node {
  position: absolute;
  left: 0;
  top: 8px;
  width: 31px;
  height: 31px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
  background: var(--ink);
  border: 1px solid var(--line-strong);
}

.page-faq .faq-step__fold {
  border: 1px solid var(--line);
  background: rgba(11, 42, 32, 0.55);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .faq-step__fold[open] {
  border-color: var(--line-cyan);
  background: var(--ink-2);
}

.page-faq .faq-step__sum {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 11px 14px;
  list-style: none;
  cursor: pointer;
  font-weight: 700;
  font-size: 14.5px;
  line-height: 1.4;
  color: var(--paper);
}

.page-faq .faq-step__sum::-webkit-details-marker {
  display: none;
}

.page-faq .faq-step__sum::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1;
  color: var(--cyan);
}

.page-faq .faq-step__fold[open] .faq-step__sum::after {
  content: "\2013";
}

.page-faq .faq-step__sum:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: -2px;
}

.page-faq .fold__body {
  padding: 0 14px 13px;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--muted);
}

.page-faq .fold__body p {
  margin: 0 0 7px;
}

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

.page-faq .fold__body strong {
  margin-right: 6px;
  color: var(--sand);
  font-weight: 700;
}

.page-faq .fold__body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
}

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

/* ---------- 登录异常 ---------- */
.page-faq .faq-fixes {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-fix {
  display: grid;
  gap: 7px;
  padding: 13px 15px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--line-strong);
  background: rgba(11, 42, 32, 0.55);
}

.page-faq .faq-fix__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.page-faq .faq-fix__title {
  margin: 0;
  font-size: 14.5px;
  font-weight: 700;
  line-height: 1.4;
}

.page-faq .faq-fix p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .faq-fix strong {
  margin-right: 5px;
  color: var(--paper);
  font-weight: 700;
}

/* ---------- 赛前清单 ---------- */
.page-faq .faq-check {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-faq .faq-check li {
  border: 1px solid var(--line);
  background: rgba(18, 61, 46, 0.45);
}

.page-faq .faq-check label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 11px 14px;
  font-size: 14px;
  line-height: 1.55;
  cursor: pointer;
}

.page-faq .faq-check input {
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  margin: 2px 0 0;
  accent-color: var(--cyan);
}

.page-faq .faq-check small {
  display: block;
  margin-top: 3px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted);
}

.page-faq .faq-qa {
  display: grid;
  gap: 8px;
  margin: 22px 0 0;
}

.page-faq .faq-qa__item {
  border: 1px solid var(--line);
  background: rgba(11, 42, 32, 0.5);
}

.page-faq .faq-qa__item[open] {
  border-color: var(--line-cyan);
  background: var(--ink-2);
}

.page-faq .faq-qa__sum {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 11px 14px;
  list-style: none;
  cursor: pointer;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper);
}

.page-faq .faq-qa__sum::-webkit-details-marker {
  display: none;
}

.page-faq .faq-qa__sum::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  color: var(--cyan);
}

.page-faq .faq-qa__item[open] .faq-qa__sum::after {
  content: "\2013";
}

.page-faq .faq-qa__sum:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: -2px;
}

/* ---------- 浏览器兼容 ---------- */
.page-faq .faq-compat {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .faq-compat li {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 12px;
  padding: 11px 14px;
  background: var(--ink-2);
  font-size: 14px;
}

.page-faq .faq-compat__name {
  font-weight: 700;
}

.page-faq .faq-compat__ver {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
}

.page-faq .faq-browser-notes {
  display: grid;
  gap: 10px;
  margin-top: 20px;
}

.page-faq .faq-browser-notes p {
  margin: 0;
  padding-left: 12px;
  border-left: 1px solid var(--line-strong);
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--muted);
}

.page-faq .faq-browser-notes strong {
  display: block;
  margin-bottom: 3px;
  color: var(--paper);
  font-size: 14px;
}

.page-faq .faq-browser-notes a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
}

/* ---------- 联系区 ---------- */
.page-faq .faq-help {
  background: linear-gradient(180deg, rgba(18, 61, 46, 0.62), rgba(6, 23, 17, 0.98));
  padding-bottom: 56px;
}

.page-faq .faq-help__grid {
  display: grid;
  gap: 24px;
}

.page-faq .faq-help h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 4.4vw, 38px);
  line-height: 1.14;
  letter-spacing: -0.015em;
}

.page-faq .faq-help__lead {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(242, 250, 246, 0.78);
}

.page-faq .faq-attach {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-faq .faq-attach li {
  display: flex;
  gap: 10px;
  font-size: 14px;
  line-height: 1.65;
  color: rgba(242, 250, 246, 0.86);
}

.page-faq .faq-attach li::before {
  content: "\2014";
  flex: 0 0 auto;
  color: var(--cyan);
  font-family: var(--font-mono);
}

.page-faq .faq-card {
  padding: 18px;
  border: 1px solid var(--line);
  border-top: 2px solid var(--orange);
  background: var(--ink-2);
}

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

.page-faq .faq-contact-list li {
  display: grid;
  gap: 4px;
  padding-bottom: 11px;
  border-bottom: 1px dashed var(--line);
}

.page-faq .faq-contact-list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-faq .faq-contact__k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--sand);
}

.page-faq .faq-contact__v {
  font-size: 14px;
  line-height: 1.55;
  color: var(--paper);
  word-break: break-word;
}

.page-faq .faq-note {
  margin: 14px 0 0;
  padding-left: 10px;
  border-left: 2px solid var(--line-strong);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 断点 ---------- */
@media (min-width: 700px) {
  .page-faq .section {
    padding: 60px 0;
  }

  .page-faq .faq-hero {
    padding: 28px 0 60px;
  }

  .page-faq .faq-hero__lead {
    font-size: 16.5px;
  }

  .page-faq .faq-statebar {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 22px;
  }

  .page-faq .faq-panel__top {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 26px;
    align-items: start;
  }

  .page-faq .faq-panel__lead {
    font-size: 15px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 0.82fr);
    gap: 44px;
    align-items: start;
  }

  .page-faq .faq-tabs {
    grid-template-columns: 286px minmax(0, 1fr);
    gap: 40px;
    align-items: start;
  }

  .page-faq .faq-tabs__list {
    position: sticky;
    top: 92px;
    overflow-x: visible;
  }

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

  .page-faq .faq-help__grid {
    grid-template-columns: minmax(0, 1.28fr) minmax(0, 0.72fr);
    gap: 44px;
    align-items: start;
  }

  .page-faq .faq-facts {
    padding: 22px;
  }
}

@media (min-width: 1120px) {
  .page-faq .faq-hero h1 {
    font-size: 74px;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}