.page-faq {
  --faq-offset: 24px;
  --faq-gap: clamp(20px, 3vw, 32px);
  --faq-accent: var(--clay);
  background: var(--cream);
  color: var(--rock);
}

.page-faq h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(23px, 3.2vw, 34px);
  line-height: 1.18;
  letter-spacing: 0.02em;
}

.page-faq summary {
  list-style: none;
  cursor: pointer;
}

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

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

/* ---------- 首屏：分流面板 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(18px, 3.6vw, 36px) 0 clamp(34px, 6vw, 68px);
  background: linear-gradient(168deg, var(--snow-100) 0%, rgba(230, 239, 240, 0.4) 48%, var(--cream) 100%);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero__frame {
  position: relative;
  margin-top: clamp(16px, 3vw, 26px);
  padding: clamp(22px, 3.4vw, 38px);
  border: 1px solid var(--line);
  background: rgba(247, 244, 238, 0.55);
}

.page-faq .faq-hero__ticks {
  position: absolute;
  top: -1px;
  left: 0;
  right: 0;
  height: 8px;
  pointer-events: none;
  background-image: repeating-linear-gradient(90deg, var(--snow-300) 0 1px, transparent 1px 28px);
  opacity: 0.85;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: var(--faq-gap);
}

.page-faq .faq-hero__grid > * {
  min-width: 0;
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(30px, 4vw, 56px);
    align-items: start;
  }
}

.page-faq .faq-hero__lead h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(28px, 5vw, 44px);
  line-height: 1.12;
  letter-spacing: 0.02em;
}

.page-faq .faq-hero__intro {
  margin: 18px 0 0;
  max-width: 34em;
  font-size: var(--fs-17);
  line-height: 1.75;
}

.page-faq .faq-hero__facts {
  margin: 24px 0 0;
  padding: 18px 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 9px;
  font-size: var(--fs-13);
  color: var(--snow-700);
}

.page-faq .faq-hero__facts .mono {
  font-family: var(--font-mono);
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--rock);
}

/* 四个分流入口 */
.page-faq .faq-router {
  display: grid;
  gap: 12px;
}

@media (min-width: 620px) {
  .page-faq .faq-router {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

.page-faq .faq-router__item {
  border: 1px solid var(--line);
  background: rgba(247, 244, 238, 0.86);
  transition: border-color 0.22s var(--ease), background-color 0.22s var(--ease);
}

.page-faq .faq-router__item:hover {
  border-color: var(--sand-600);
}

.page-faq .faq-router__item[open] {
  border-color: var(--clay);
  background: var(--cream);
}

.page-faq .faq-router__item > summary {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 13px 14px;
  font-size: var(--fs-15);
  font-weight: 700;
}

.page-faq .faq-router__item > summary::after {
  content: "";
  margin-left: auto;
  flex: none;
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--clay);
  border-bottom: 2px solid var(--clay);
  transform: rotate(-45deg);
  transition: transform 0.24s var(--ease);
}

.page-faq .faq-router__item[open] > summary::after {
  transform: rotate(45deg);
}

.page-faq .faq-router__body {
  padding: 0 14px 16px;
  font-size: var(--fs-13);
  line-height: 1.7;
  color: var(--sand-600);
}

.page-faq .faq-router__body p {
  margin: 0 0 10px;
  color: var(--rock);
}

.page-faq .faq-router__body .link-u {
  font-size: var(--fs-13);
}

/* ---------- 五步流程 ---------- */
.page-faq .faq-steps {
  padding: clamp(40px, 7vw, 80px) 0 clamp(26px, 4vw, 44px);
}

.page-faq .faq-steps__head {
  max-width: 46em;
}

.page-faq .faq-steps__head .eyebrow {
  color: var(--orange-deep);
}

.page-faq .faq-steps__lead {
  margin: 16px 0 0;
  max-width: 40em;
  font-size: var(--fs-17);
  line-height: 1.75;
}

.page-faq .faq-steps__figure {
  margin: clamp(26px, 4vw, 40px) 0 clamp(30px, 5vw, 46px);
}

.page-faq .faq-steps__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .faq-steps__figure figcaption {
  margin-top: 10px;
  font-size: var(--fs-12);
  letter-spacing: 0.04em;
  color: var(--snow-700);
}

.page-faq .faq-steps__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(26px, 4vw, 36px);
}

.page-faq .faq-step {
  position: relative;
  padding: 36px 18px 20px;
  background: var(--cream);
  border: 1px solid var(--line);
  border-left: 3px solid var(--sand-600);
  box-shadow: 0 1px 0 rgba(43, 49, 52, 0.05);
  transition: border-color 0.22s var(--ease), transform 0.22s var(--ease);
}

.page-faq .faq-step:hover {
  border-color: var(--sand-600);
  transform: translateY(-2px);
}

@media (min-width: 780px) {
  .page-faq .faq-step {
    padding: 38px 26px 24px;
  }

  .page-faq .faq-step:nth-child(even) {
    margin-left: var(--faq-offset);
  }
}

.page-faq .faq-step__num {
  position: absolute;
  top: -18px;
  left: 10px;
  padding: 0 10px 4px;
  background: var(--cream);
  color: var(--sand-600);
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: clamp(30px, 4vw, 38px);
  line-height: 1;
  letter-spacing: 0.06em;
}

.page-faq .faq-step h3 {
  margin: 0;
  font-size: var(--fs-21);
  font-weight: 700;
  line-height: 1.35;
}

.page-faq .faq-step__time {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--moss);
}

.page-faq .faq-step__time::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--moss);
  vertical-align: 1px;
}

.page-faq .faq-step__do {
  margin: 12px 0 0;
  font-size: var(--fs-17);
  line-height: 1.75;
}

.page-faq .faq-step__fail {
  margin: 14px 0 0;
  padding: 10px 12px;
  border-left: 3px solid var(--clay);
  background: rgba(167, 94, 66, 0.08);
  font-size: var(--fs-15);
  line-height: 1.7;
}

/* ---------- 问答区 ---------- */
.page-faq .faq-answers {
  padding: clamp(36px, 6vw, 76px) 0 clamp(42px, 7vw, 86px);
  background: linear-gradient(180deg, var(--snow-100) 0%, rgba(230, 239, 240, 0.28) 32%, var(--cream) 100%);
  border-top: 1px solid var(--line);
}

.page-faq .faq-answers__head {
  max-width: 44em;
}

.page-faq .faq-answers__lead {
  margin: 14px 0 0;
  font-size: var(--fs-15);
  line-height: 1.75;
  color: var(--snow-700);
}

.page-faq .faq-answers__cols {
  margin-top: clamp(26px, 4vw, 40px);
  display: grid;
  gap: clamp(26px, 4vw, 40px);
}

.page-faq .faq-answers__col > * {
  min-width: 0;
}

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

  .page-faq .faq-answers__col--offset {
    margin-top: 56px;
  }
}

.page-faq .faq-group {
  scroll-margin-top: 96px;
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(28px, 4vw, 44px);
}

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--rock);
}

.page-faq .faq-group__head h3 {
  margin: 0;
  font-size: var(--fs-21);
  font-weight: 700;
}

.page-faq .faq-group__head .mono {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--snow-700);
}

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

.page-faq .faq-item > summary {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  min-height: 44px;
  padding: 14px 2px 14px 0;
  font-size: var(--fs-15);
  font-weight: 600;
  line-height: 1.65;
  transition: color 0.2s var(--ease);
}

.page-faq .faq-item > summary:hover {
  color: var(--orange-deep);
}

.page-faq .faq-item > summary::after {
  content: "+";
  margin-left: auto;
  flex: none;
  font-family: var(--font-mono);
  font-size: var(--fs-17);
  line-height: 1.4;
  color: var(--clay);
}

.page-faq .faq-item[open] > summary::after {
  content: "−";
  color: var(--moss);
}

.page-faq .faq-item__body {
  padding: 0 0 16px;
  font-size: var(--fs-15);
  line-height: 1.78;
  color: var(--rock);
}

.page-faq .faq-item__body p {
  margin: 0;
}

.page-faq .faq-search-figure {
  margin: 20px 0 22px;
  border: 1px solid var(--line);
  background: var(--cream);
}

.page-faq .faq-search-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 人工支持 ---------- */
.page-faq .faq-help {
  padding: clamp(40px, 7vw, 84px) 0 clamp(48px, 8vw, 96px);
  background: var(--snow-100);
  border-top: 1px solid var(--line);
}

.page-faq .faq-help__inner {
  border-left: 3px solid var(--clay);
  padding-left: clamp(16px, 3vw, 28px);
}

.page-faq .faq-help__lead {
  margin: 16px 0 0;
  max-width: 40em;
  font-size: var(--fs-17);
  line-height: 1.78;
}

.page-faq .faq-help__channels {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

@media (min-width: 760px) {
  .page-faq .faq-help__channels {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-faq .faq-help__channels li {
  display: grid;
  gap: 6px;
  padding: 14px 16px;
  background: var(--cream);
  border: 1px solid var(--line);
}

.page-faq .faq-help__label {
  font-size: var(--fs-12);
  letter-spacing: 0.16em;
  color: var(--snow-700);
  position: relative;
  padding-left: 12px;
}

.page-faq .faq-help__label::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 6px;
  height: 2px;
  background: var(--orange);
}

.page-faq .faq-help__value {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: var(--fs-15);
  letter-spacing: 0.02em;
  word-break: break-word;
  color: var(--rock);
}

.page-faq .faq-help__example {
  margin: 22px 0 0;
  padding: 14px 16px;
  border-left: 3px solid var(--moss);
  background: rgba(90, 114, 96, 0.09);
  font-size: var(--fs-15);
  line-height: 1.72;
}

.page-faq .faq-help__actions {
  margin: 26px 0 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-router__item,
  .page-faq .faq-step,
  .page-faq .faq-item > summary,
  .page-faq .faq-router__item > summary::after {
    transition: none;
  }

  .page-faq .faq-step:hover {
    transform: none;
  }
}
<<<END>>>