.page-faq {
  --faq-lead: 62ch;
  background: var(--ink);
  color: var(--white);
  font-family: var(--font-body);
  padding-bottom: calc(88px + env(safe-area-inset-bottom, 0px));
}

.page-faq .faq-shell {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
  padding-block: clamp(24px, 4vw, 44px) clamp(56px, 8vw, 96px);
  display: flex;
  flex-direction: column;
  gap: clamp(40px, 6vw, 76px);
}

/* 面包屑 */
.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-faq .breadcrumb__item {
  color: inherit;
  text-decoration: none;
}

.page-faq .breadcrumb__item[href]:hover {
  color: var(--orange);
}

.page-faq .breadcrumb__item[aria-current="page"] {
  color: var(--white);
}

/* 首屏 */
.page-faq .faq-hero {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding-top: clamp(8px, 2vw, 20px);
}

.page-faq .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--orange);
}

.page-faq .eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--orange);
}

.page-faq .faq-hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.3rem, 8vw, 4.2rem);
  line-height: 0.96;
  letter-spacing: -0.015em;
  max-width: 18ch;
  text-wrap: balance;
}

.page-faq .faq-hero__accent {
  display: inline;
  color: var(--ink);
  background: var(--orange);
  padding: 0 0.12em;
  border-radius: 8px 8px 12px 5px;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

.page-faq .faq-hero__lead {
  margin: 0;
  max-width: var(--faq-lead);
  font-size: clamp(0.98rem, 2.5vw, 1.12rem);
  line-height: 1.78;
  color: var(--muted);
}

/* 首屏图片 */
.page-faq .media {
  position: relative;
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--panel);
}

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

.page-faq .faq-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(13, 14, 16, 0) 45%, rgba(13, 14, 16, 0.82) 100%),
    repeating-linear-gradient(0deg, rgba(46, 52, 60, 0.4) 0 1px, transparent 1px 44px);
}

.page-faq .media__caption {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 14px;
  z-index: 2;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.07em;
  line-height: 1.6;
  color: var(--white);
}

/* 三张状态卡 */
.page-faq .faq-switch__head {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: clamp(18px, 3vw, 26px);
}

.page-faq .faq-switch__title,
.page-faq .faq-next__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.5rem, 4.4vw, 2.2rem);
  line-height: 1.14;
  letter-spacing: -0.01em;
}

.page-faq .faq-switch__desc {
  margin: 0;
  max-width: var(--faq-lead);
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .faq-switch__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-faq .faq-state {
  --faq-accent: var(--orange);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px 20px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  color: inherit;
  text-decoration: none;
  overflow: hidden;
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease), background 0.3s var(--ease);
}

.page-faq .faq-state::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: var(--faq-accent);
}

.page-faq .faq-state--login { --faq-accent: var(--amber); }
.page-faq .faq-state--tablet { --faq-accent: var(--orange); }
.page-faq .faq-state--mainland { --faq-accent: var(--mint); }

.page-faq .faq-state:hover,
.page-faq .faq-state:focus-visible {
  border-color: var(--faq-accent);
  background: var(--float);
  transform: translateY(-3px);
  outline: none;
}

.page-faq .faq-state__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--faq-accent);
}

.page-faq .faq-state .tag {
  align-self: flex-start;
  padding: 3px 9px;
  border: 1px solid currentColor;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
}

.page-faq .faq-state__name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.005em;
}

.page-faq .faq-state__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

.page-faq .faq-state .link-more {
  margin-top: auto;
  padding-top: 6px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--faq-accent);
  text-decoration: none;
}

/* 排障区块 */
.page-faq .faq-block {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  padding: clamp(20px, 4vw, 40px);
  scroll-margin-top: 84px;
}

.page-faq .faq-block--plain {
  background: transparent;
  border-color: transparent;
  padding-inline: 0;
}

.page-faq .faq-block__head {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: clamp(22px, 4vw, 34px);
}

.page-faq .faq-block__no {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.22em;
  color: var(--orange);
}

.page-faq .faq-block__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.5rem, 4.2vw, 2.25rem);
  line-height: 1.14;
  letter-spacing: -0.01em;
  max-width: 24ch;
}

.page-faq .faq-block__desc {
  margin: 0;
  max-width: var(--faq-lead);
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

.page-faq .faq-block__tail {
  margin: clamp(22px, 3vw, 30px) 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .faq-inline-link {
  color: var(--orange-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 138, 77, 0.45);
  padding-bottom: 1px;
}

.page-faq .faq-inline-link:hover {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

/* 步骤条 */
.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-step {
  position: relative;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 14px;
  padding-bottom: 26px;
}

.page-faq .faq-step::before {
  content: "";
  position: absolute;
  left: 16px;
  top: 36px;
  bottom: 4px;
  width: 1px;
  background: linear-gradient(180deg, var(--line), rgba(46, 52, 60, 0.15));
}

.page-faq .faq-step:last-child {
  padding-bottom: 0;
}

.page-faq .faq-step:last-child::before {
  display: none;
}

.page-faq .faq-step__dot {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--ink);
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--orange);
  position: relative;
  z-index: 1;
}

.page-faq .faq-step__body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
  padding-top: 3px;
}

.page-faq .faq-step__name {
  margin: 0;
  font-size: 16.5px;
  font-weight: 600;
  line-height: 1.45;
  color: var(--white);
}

.page-faq .faq-step__row {
  margin: 0;
  font-size: 14px;
  line-height: 1.76;
  color: var(--muted);
}

.page-faq .faq-step__k {
  display: inline-block;
  margin-right: 8px;
  padding: 1px 7px;
  border-radius: 6px;
  background: var(--float);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  color: var(--amber);
  vertical-align: 1px;
}

.page-faq .faq-step__k--next {
  color: var(--mint);
}

/* 平板情形 */
.page-faq .faq-block__media {
  margin-bottom: clamp(20px, 3vw, 30px);
}

.page-faq .faq-block__media img {
  aspect-ratio: 10 / 7;
}

.page-faq .faq-block__media .media__caption {
  position: static;
  left: auto;
  right: auto;
  bottom: auto;
  padding: 12px 16px;
  background: var(--float);
  color: var(--muted);
  font-size: 11px;
}

.page-faq .faq-cases {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-faq .faq-case {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 18px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: linear-gradient(160deg, var(--float), var(--panel));
}

.page-faq .faq-case__no {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--orange);
}

.page-faq .faq-case__name {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.45;
}

.page-faq .faq-case__fix {
  margin: 0;
  font-size: 14px;
  line-height: 1.74;
  color: var(--muted);
}

/* 大陆版 */
.page-faq .faq-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 3vw, 26px);
}

.page-faq .faq-sub {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-faq .faq-sub--tight {
  margin-bottom: 12px;
}

.page-faq .faq-dl {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-faq .faq-dl__row {
  padding-left: 14px;
  border-left: 2px solid var(--line);
}

.page-faq .faq-dl dt {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--white);
  margin-bottom: 5px;
}

.page-faq .faq-dl dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.74;
  color: var(--muted);
}

.page-faq .faq-degrade {
  padding: clamp(18px, 3vw, 24px);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--teal-deep);
}

.page-faq .faq-degrade__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--mint);
}

.page-faq .faq-degrade__desc {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.74;
  color: var(--white);
}

.page-faq .faq-degrade__list {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.page-faq .faq-degrade__list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--white);
}

.page-faq .faq-degrade__list .readout {
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid var(--mint);
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--mint);
}

.page-faq .faq-degrade__note {
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid rgba(59, 232, 165, 0.28);
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* 登记准备 */
.page-faq .faq-prep {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-faq .faq-prep__card {
  padding: 20px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--float);
}

.page-faq .faq-prep__no {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--orange);
}

.page-faq .faq-prep__name {
  margin: 0 0 7px;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.4;
}

.page-faq .faq-prep__desc {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.74;
  color: var(--muted);
}

.page-faq .faq-flow {
  margin-top: clamp(24px, 4vw, 34px);
  padding: clamp(18px, 3vw, 26px);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--ink);
}

.page-faq .faq-flow__canvas {
  width: 100%;
  overflow-x: auto;
}

.page-faq .faq-flow__svg {
  display: block;
  width: 100%;
  min-width: 300px;
  height: auto;
}

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

.page-faq .faq-flow__node {
  fill: var(--float);
  stroke: var(--line);
  stroke-width: 1;
}

.page-faq .faq-flow__node--ok {
  fill: var(--teal-deep);
  stroke: var(--mint);
}

.page-faq .faq-flow__node--go {
  fill: var(--orange-deep);
  stroke: var(--orange);
}

.page-faq .faq-flow__t {
  fill: var(--white);
  font-family: var(--font-mono);
  font-size: 17px;
}

.page-faq .faq-flow__t--sm {
  fill: var(--muted);
  font-size: 13px;
}

/* 问答 */
.page-faq .faq-qa {
  border-top: 1px solid var(--line);
}

.page-faq .faq-qa__item {
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-qa__q {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 0;
  cursor: pointer;
  list-style: none;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--white);
  transition: color 0.25s var(--ease);
}

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

.page-faq .faq-qa__q::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 400;
  line-height: 1.3;
  color: var(--orange);
}

.page-faq .faq-qa__item[open] .faq-qa__q {
  color: var(--orange-soft);
}

.page-faq .faq-qa__item[open] .faq-qa__q::after {
  content: "−";
}

.page-faq .faq-qa__q:hover {
  color: var(--orange);
}

.page-faq .faq-qa__a {
  margin: 0 0 18px;
  max-width: 68ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

/* 结尾引导 */
.page-faq .faq-next {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: clamp(22px, 4vw, 34px);
  border-radius: var(--radius);
  background: linear-gradient(115deg, var(--orange-deep), var(--panel) 62%);
  border: 1px solid var(--line);
}

.page-faq .faq-next__desc {
  margin: 12px 0 0;
  max-width: var(--faq-lead);
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--muted);
}

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

/* 底部登记条 */
.page-faq .faq-sticky {
  position: fixed;
  inset-inline: 0;
  bottom: 0;
  z-index: 30;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 11px var(--gutter) calc(11px + env(safe-area-inset-bottom, 0px));
  background: rgba(13, 14, 16, 0.94);
  border-top: 2px solid var(--orange);
  backdrop-filter: blur(10px);
}

.page-faq .faq-sticky__text {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--muted);
}

/* 平板及以上 */
@media (min-width: 700px) {
  .page-faq .faq-cases {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-faq .faq-next {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .page-faq .faq-next__actions {
    flex: 0 0 auto;
  }
}

/* 桌面 */
@media (min-width: 940px) {
  .page-faq .faq-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    column-gap: clamp(28px, 5vw, 64px);
    row-gap: 16px;
    align-items: end;
  }

  .page-faq .faq-hero .eyebrow {
    grid-column: 1 / -1;
  }

  .page-faq .faq-hero__title {
    grid-column: 1;
  }

  .page-faq .faq-hero__lead {
    grid-column: 2;
    align-self: end;
    padding-bottom: 6px;
  }

  .page-faq .faq-switch__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

  .page-faq .faq-cases {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-cases .faq-case:nth-child(2) {
    transform: translateY(14px);
  }

  .page-faq .faq-cases .faq-case:nth-child(5) {
    transform: translateY(14px);
  }

  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .page-faq .faq-block__media img {
    aspect-ratio: 16 / 7;
  }

  .page-faq .faq-sticky {
    inset-inline-start: 88px;
  }

  .page-faq .faq-sticky__text {
    font-size: 13px;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-hero__title {
    font-size: clamp(3.4rem, 4.6vw, 4.4rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-state,
  .page-faq .faq-qa__q {
    transition: none;
  }

  .page-faq .faq-state:hover,
  .page-faq .faq-state:focus-visible {
    transform: none;
  }

  .page-faq .faq-cases .faq-case {
    transform: none;
  }
}
<<<END>>>