.page-faq {
  --g-pad: clamp(20px, 5vw, 48px);
  --g-gap: clamp(56px, 9vw, 112px);
  color: var(--white);
  background: var(--ink);
}

.page-faq img {
  max-width: 100%;
  height: auto;
}

.page-faq .g-wrap {
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--g-pad);
}

.page-faq a:focus-visible,
.page-faq input:focus-visible,
.page-faq summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-faq .g-crumb {
  padding-block: 18px 14px;
  font-size: 13px;
}

/* ---------- 首屏 ---------- */
.page-faq .g-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  padding-block: clamp(44px, 8vw, 96px) clamp(38px, 6vw, 68px);
  border-bottom: 1px solid var(--line);
}

.page-faq .g-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.22;
  filter: saturate(0.6);
  z-index: 0;
}

.page-faq .g-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(5, 7, 15, 0.62) 0%, rgba(5, 7, 15, 0.94) 82%),
    repeating-linear-gradient(90deg, transparent 0 79px, rgba(34, 50, 83, 0.35) 79px 80px);
}

.page-faq .g-hero__inner {
  position: relative;
  z-index: 2;
}

.page-faq .g-hero__kicker {
  margin: 0 0 18px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.32em;
  color: var(--gold);
}

.page-faq .g-hero__title {
  margin: 0 0 24px;
  max-width: 13em;
  font-size: clamp(36px, 8vw, 84px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  font-weight: 900;
}

.page-faq .g-hero__lede {
  margin: 0 0 28px;
  max-width: 60ch;
  font-size: clamp(15px, 1.4vw, 18px);
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .g-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .g-hero__tag {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 4px 14px;
  border: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-faq .g-hero__tag--gold {
  border-color: rgba(244, 201, 93, 0.55);
  background: rgba(244, 201, 93, 0.07);
  color: var(--gold);
}

/* ---------- 快速跳转 ---------- */
.page-faq .g-quick {
  position: sticky;
  top: var(--bar-h);
  z-index: 4;
  background: rgba(10, 16, 32, 0.96);
  border-bottom: 1px solid var(--line);
}

.page-faq .g-quick__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 10px 0;
  list-style: none;
  overflow-x: auto;
}

.page-faq .g-quick__list li {
  flex: 0 0 auto;
}

.page-faq .g-quick__list a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 16px;
  border: 1px solid var(--line);
  color: var(--mist);
  font-size: 13px;
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .g-quick__list a:hover,
.page-faq .g-quick__list a:focus-visible {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--ink);
}

/* ---------- 章节骨架 ---------- */
.page-faq .g-sec {
  position: relative;
  padding-block: var(--g-gap);
}

.page-faq .g-sec--band {
  background: var(--ink-2);
  border-block: 1px solid var(--line);
}

.page-faq .g-head {
  margin-bottom: clamp(30px, 5vw, 54px);
}

.page-faq .g-head__num {
  display: block;
  margin-bottom: 10px;
  font-family: var(--mono);
  font-size: clamp(38px, 7vw, 72px);
  line-height: 0.9;
  letter-spacing: -0.03em;
  color: rgba(233, 238, 248, 0.1);
}

.page-faq .g-head__title {
  margin: 0 0 14px;
  max-width: 22em;
  font-size: clamp(23px, 3.6vw, 38px);
  line-height: 1.24;
  letter-spacing: -0.01em;
  font-weight: 800;
}

.page-faq .g-head__title::before {
  content: "";
  display: inline-block;
  width: 26px;
  height: 4px;
  margin-right: 12px;
  vertical-align: middle;
  background: var(--gold);
}

.page-faq .g-head__lede {
  margin: 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 01 开始之前 ---------- */
.page-faq .g-intro {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .g-intro__item {
  background: var(--ink);
  padding: clamp(22px, 3vw, 34px);
}

.page-faq .g-intro__idx {
  display: inline-block;
  margin-bottom: 14px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--gold);
}

.page-faq .g-intro__item h3 {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
}

.page-faq .g-intro__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 02 六步 ---------- */
.page-faq .g-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  border-bottom: 1px solid var(--line);
}

.page-faq .g-step {
  position: relative;
  border-top: 1px solid var(--line);
  transition: background var(--dur) var(--ease);
}

.page-faq .g-step:hover {
  background: rgba(17, 28, 51, 0.55);
}

.page-faq .g-step__check {
  position: absolute;
  top: clamp(24px, 4vw, 34px);
  right: clamp(14px, 3vw, 22px);
  width: 28px;
  height: 28px;
  margin: 0;
  appearance: none;
  -webkit-appearance: none;
  border: 1px solid var(--line);
  background: var(--ink);
  cursor: pointer;
  z-index: 2;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .g-step__check:hover {
  border-color: var(--gold);
}

.page-faq .g-step__check:checked {
  background: var(--gold);
  border-color: var(--gold);
}

.page-faq .g-step__check:checked::after {
  content: "";
  position: absolute;
  left: 9px;
  top: 4px;
  width: 8px;
  height: 14px;
  border-right: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  transform: rotate(42deg);
}

.page-faq .g-step__label {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 6px 16px;
  align-items: baseline;
  padding: clamp(22px, 4vw, 34px) 66px clamp(22px, 4vw, 34px) clamp(14px, 3vw, 22px);
  cursor: pointer;
}

.page-faq .g-step__no {
  grid-row: 1 / span 2;
  font-family: var(--mono);
  font-size: clamp(17px, 2.4vw, 22px);
  line-height: 1.25;
  letter-spacing: 0.04em;
  color: var(--gold);
}

.page-faq .g-step__title {
  grid-column: 2;
  font-size: clamp(16px, 2vw, 20px);
  font-weight: 700;
  line-height: 1.45;
  color: var(--white);
  transition: color var(--dur) var(--ease);
}

.page-faq .g-step__text {
  grid-column: 2;
  font-size: 14px;
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .g-step:has(.g-step__check:checked) .g-step__title {
  color: var(--gold);
}

.page-faq .g-step:has(.g-step__check:checked) .g-step__no {
  opacity: 0.5;
}

/* ---------- 03 桌面端 ---------- */
.page-faq .g-desktop {
  display: grid;
  gap: clamp(26px, 5vw, 46px);
}

.page-faq .g-desktop__p {
  margin: 0 0 8px;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--mist);
}

.page-faq .g-desktop__p a,
.page-faq .g-habit__list a,
.page-faq .g-more a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(95, 211, 255, 0.35);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .g-desktop__p a:hover,
.page-faq .g-habit__list a:hover,
.page-faq .g-more a:hover {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

.page-faq .g-order {
  margin: 20px 0 22px;
  padding: 0;
  list-style: none;
  counter-reset: go;
}

.page-faq .g-order li {
  position: relative;
  padding-left: 44px;
  margin-bottom: 16px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mist);
  counter-increment: go;
}

.page-faq .g-order li::before {
  content: counter(go, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 3px;
  display: grid;
  place-items: center;
  width: 28px;
  height: 24px;
  border: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 12px;
  color: var(--gold);
}

.page-faq .g-desktop__fig {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-faq .g-desktop__fig img {
  display: block;
  width: 100%;
  height: auto;
}

.page-faq .g-keys {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 26px;
  margin-top: clamp(28px, 4vw, 42px);
  padding: 18px clamp(16px, 3vw, 24px);
  border-left: 3px solid var(--gold);
  background: rgba(17, 28, 51, 0.75);
}

.page-faq .g-keys__item {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--mist);
}

.page-faq .g-kbd {
  display: inline-grid;
  place-items: center;
  min-width: 34px;
  height: 34px;
  padding: 0 8px;
  border: 1px solid var(--line);
  border-bottom-width: 3px;
  background: var(--ink);
  font-family: var(--mono);
  font-size: 15px;
  color: var(--white);
}

.page-faq .g-keys__note {
  flex: 1 1 220px;
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--mist);
}

.page-faq .g-browserwrap {
  margin-top: clamp(30px, 5vw, 44px);
  overflow-x: auto;
}

.page-faq .g-sub {
  margin: 0 0 16px;
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
}

.page-faq .g-browser {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 13.5px;
}

.page-faq .g-browser caption {
  text-align: left;
}

.page-faq .g-browser th,
.page-faq .g-browser td {
  padding: 12px 14px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}

.page-faq .g-browser thead th {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--mist);
  border-bottom-color: var(--gold);
}

.page-faq .g-browser tbody th {
  font-family: var(--mono);
  font-weight: 600;
  color: var(--white);
}

.page-faq .g-browser tbody td {
  color: var(--mist);
}

.page-faq .g-browser tbody tr {
  transition: background var(--dur) var(--ease);
}

.page-faq .g-browser tbody tr:hover {
  background: rgba(17, 28, 51, 0.85);
}

.page-faq .g-ok {
  font-family: var(--mono);
  color: var(--gold);
}

/* ---------- 04 排查 ---------- */
.page-faq .g-flow {
  overflow-x: auto;
  margin-bottom: clamp(28px, 4vw, 40px);
  padding-bottom: 4px;
}

.page-faq .g-svg {
  display: block;
  width: 100%;
  min-width: 520px;
  height: auto;
}

.page-faq .g-svg .fs-line {
  stroke: var(--line);
  stroke-width: 1.5;
  fill: none;
}

.page-faq .g-svg .fs-node {
  fill: var(--panel);
  stroke: var(--line);
  stroke-width: 1;
}

.page-faq .g-svg .fs-dot {
  fill: var(--ink);
  stroke: var(--gold);
  stroke-width: 1.5;
}

.page-faq .g-svg .fs-no {
  font-family: var(--mono);
  font-size: 12px;
  fill: var(--gold);
}

.page-faq .g-svg .fs-label {
  font-family: var(--sans);
  font-size: 14px;
  fill: var(--white);
}

.page-faq .g-svg .fs-ok {
  stroke: var(--gold);
  stroke-width: 1.5;
  fill: none;
}

.page-faq .g-svg .fs-fail {
  stroke: var(--orange);
  stroke-width: 1.5;
  stroke-dasharray: 5 4;
  fill: none;
}

.page-faq .g-svg .fs-end {
  fill: rgba(244, 201, 93, 0.1);
  stroke: var(--gold);
  stroke-width: 1;
}

.page-faq .g-svg .fs-end2 {
  fill: rgba(255, 107, 44, 0.08);
  stroke: var(--orange);
  stroke-width: 1;
  stroke-dasharray: 5 4;
}

.page-faq .g-faults {
  border-top: 1px solid var(--line);
}

.page-faq .g-fault {
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-top: none;
}

.page-faq .g-fault__sum {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 56px;
  padding: 14px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 600;
  color: var(--white);
  transition: color var(--dur) var(--ease);
}

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

.page-faq .g-fault__sum:hover {
  color: var(--gold);
}

.page-faq .g-fault__sum::after {
  content: "+";
  margin-left: auto;
  font-family: var(--mono);
  font-size: 18px;
  color: var(--gold);
}

.page-faq .g-fault[open] .g-fault__sum::after {
  content: "–";
}

.page-faq .g-fault__n {
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
  width: 26px;
  height: 26px;
  border: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 12px;
  color: var(--gold);
}

.page-faq .g-fault__body {
  padding: 0 18px 20px 58px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .g-fault__body p {
  margin: 0 0 10px;
}

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

.page-faq .g-faults__end {
  margin: 22px 0 0;
  padding-left: 16px;
  border-left: 2px solid var(--orange);
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 05 双分支 ---------- */
.page-faq .g-split {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
}

.page-faq .g-branch {
  padding: clamp(22px, 3.5vw, 34px);
  background: var(--panel);
  border: 1px solid var(--line);
  border-top-width: 3px;
  border-top-color: var(--line);
}

.page-faq .g-branch--orange {
  --dot: var(--orange);
  border-top-color: var(--orange);
}

.page-faq .g-branch--cyan {
  --dot: var(--cyan);
  border-top-color: var(--cyan);
}

.page-faq .g-branch__title {
  margin: 0 0 6px;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.5;
}

.page-faq .g-branch__sub {
  margin: 0 0 18px;
  font-size: 13px;
  color: var(--mist);
}

.page-faq .g-branch ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .g-branch li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 12px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .g-branch li:last-child {
  margin-bottom: 0;
}

.page-faq .g-branch li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 7px;
  border: 1px solid var(--dot, var(--gold));
}

/* ---------- 06 固定访问 ---------- */
.page-faq .g-habit {
  display: grid;
  gap: clamp(20px, 4vw, 40px);
}

.page-faq .g-habit__lede {
  margin: 0;
  padding-left: 20px;
  border-left: 3px solid var(--gold);
  font-size: clamp(17px, 2.2vw, 22px);
  line-height: 1.7;
  color: var(--white);
}

.page-faq .g-habit__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .g-habit__list li {
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .g-habit__list li:first-child {
  border-top: 1px solid var(--line);
}

/* ---------- 07 联系 ---------- */
.page-faq .g-sec--help {
  background:
    radial-gradient(circle at 88% 8%, rgba(244, 201, 93, 0.13), transparent 55%),
    var(--ink);
  border-top: 1px solid var(--line);
}

.page-faq .g-help {
  display: grid;
  gap: 1px;
  margin-bottom: 26px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .g-help__card {
  display: grid;
  gap: 8px;
  align-content: start;
  padding: 22px;
  background: var(--ink);
}

.page-faq .g-help__label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--gold);
}

.page-faq .g-help__val {
  font-family: var(--mono);
  font-size: 15px;
  line-height: 1.6;
  color: var(--white);
  word-break: break-all;
  user-select: all;
}

.page-faq .g-help__note {
  margin: 0 0 26px;
  padding-left: 14px;
  border-left: 2px solid var(--orange);
  font-size: 13px;
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .g-help__actions {
  margin-bottom: 30px;
}

.page-faq .g-more {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-size: 14px;
}

@media (min-width: 720px) {
  .page-faq .g-intro {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-faq .g-step__label {
    grid-template-columns: 76px 1fr;
    gap: 6px 22px;
  }

  .page-faq .g-help {
    grid-template-columns: 1fr 1.25fr 1fr;
  }
}

@media (min-width: 900px) {
  .page-faq .g-desktop {
    grid-template-columns: 1fr 1.05fr;
    align-items: start;
  }

  .page-faq .g-split {
    grid-template-columns: 1fr 1fr;
  }

  .page-faq .g-habit {
    grid-template-columns: 1fr 1.15fr;
    align-items: start;
  }

  .page-faq .g-browser {
    min-width: 0;
  }

  .page-faq .g-svg {
    min-width: 0;
  }
}

@media (min-width: 1100px) {
  .page-faq .g-hero__inner {
    padding-block: 12px;
  }

  .page-faq .g-head__title::before {
    width: 34px;
  }
}

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

已按要求输出。