.page-faq {
  --faq-toc-w: 236px;
  --faq-shell-gap: 56px;
  --faq-rule: 1px solid var(--line-2);
  display: block;
  background: var(--paper);
  color: var(--char);
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line-2);
  background: var(--paper);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line) 1px, transparent 1px);
  background-size: 96px 96px;
  opacity: .6;
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: min(42%, 520px);
  height: 100%;
  background: var(--orange);
  clip-path: polygon(30% 0, 100% 0, 100% 100%, 0 100%);
  opacity: .16;
  pointer-events: none;
}

.page-faq .faq-hero > .wrap {
  position: relative;
  z-index: 1;
  padding-top: clamp(24px, 4vw, 44px);
  padding-bottom: clamp(32px, 5vw, 64px);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 28px;
  margin-top: 18px;
}

.page-faq .faq-hero__lead h1 {
  margin: 12px 0 0;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(30px, 7vw, 49px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-faq .faq-hero__lead h1 em {
  font-style: normal;
  background: linear-gradient(transparent 64%, var(--orange-soft) 64%);
  padding: 0 .06em;
}

.page-faq .faq-hero__lead .lede {
  max-width: 44em;
  margin-top: 16px;
  color: var(--char);
}

.page-faq .faq-find {
  position: relative;
  background: var(--ink);
  color: var(--paper);
  padding: 20px 20px 18px;
  border-left: 4px solid var(--orange);
}

.page-faq .faq-find__label {
  margin: 0;
  font-size: var(--fs-14);
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--cream);
}

.page-faq .faq-find__box {
  display: flex;
  align-items: center;
  margin-top: 12px;
  background: var(--paper);
  border: 1px solid rgba(246, 241, 228, .45);
}

.page-faq .faq-find__box:focus-within {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

.page-faq .faq-find__icon {
  flex: 0 0 auto;
  width: 10px;
  height: 10px;
  margin: 0 12px;
  background: var(--orange);
}

.page-faq .faq-find__input {
  flex: 1 1 auto;
  min-width: 0;
  padding: 12px 14px 12px 0;
  border: 0;
  background: transparent;
  font-family: var(--font-sans);
  font-size: var(--fs-16);
  line-height: 1.4;
  color: var(--char);
  outline: none;
}

.page-faq .faq-find__input::placeholder {
  color: var(--graphite);
}

.page-faq .faq-find__panel {
  background: var(--paper);
  border: 1px solid rgba(246, 241, 228, .45);
  border-top: 0;
  max-height: 280px;
  overflow-y: auto;
}

.page-faq .faq-find__panel:empty {
  display: none;
}

.page-faq .faq-find__panel a {
  display: block;
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
  color: var(--char);
  font-size: var(--fs-14);
  line-height: 1.5;
  text-decoration: none;
}

.page-faq .faq-find__panel a:last-child {
  border-bottom: 0;
}

.page-faq .faq-find__panel a:hover,
.page-faq .faq-find__panel a:focus-visible {
  background: var(--paper-2);
  border-left: 3px solid var(--orange);
  padding-left: 11px;
}

.page-faq .faq-find__hint {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .04em;
  color: rgba(255, 217, 160, .86);
}

.page-faq .faq-hero__quick {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-hero__quick a {
  display: inline-block;
  padding: 7px 14px;
  border: 1px solid var(--line-2);
  background: var(--paper);
  color: var(--char);
  font-size: var(--fs-14);
  line-height: 1.4;
  text-decoration: none;
  transition: background .15s ease, border-color .15s ease;
}

.page-faq .faq-hero__quick a:hover,
.page-faq .faq-hero__quick a:focus-visible {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--char);
}

/* ---------- 三步上手 ---------- */

.page-faq .faq-start {
  padding: clamp(40px, 6vw, 72px) 0 clamp(32px, 5vw, 56px);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-start__grid {
  margin-top: 32px;
  display: grid;
  gap: 32px;
}

.page-faq .faq-steps {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-step {
  position: relative;
  padding: 0 0 28px 62px;
}

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

.page-faq .faq-step::before {
  content: "";
  position: absolute;
  left: 21px;
  top: 46px;
  bottom: 0;
  width: 1px;
  background: var(--line-2);
}

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

.page-faq .faq-step__num {
  position: absolute;
  left: 0;
  top: 0;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  background: var(--ink);
  color: var(--paper);
  font-size: var(--fs-16);
  font-weight: 700;
  letter-spacing: .04em;
}

.page-faq .faq-step:first-child .faq-step__num {
  background: var(--orange);
  color: var(--char);
}

.page-faq .faq-step__title {
  margin: 8px 0 6px;
  font-size: var(--fs-20);
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--ink);
}

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

.page-faq .faq-start__figure {
  border-top: 3px solid var(--ink);
  padding-top: 16px;
}

.page-faq .faq-start__figure .figure__frame {
  max-width: 100%;
  overflow: hidden;
}

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

/* ---------- 主体骨架：目录 + 内容 ---------- */

.page-faq .faq-shell {
  display: grid;
  gap: 32px;
  padding: clamp(40px, 6vw, 72px) 0 clamp(48px, 7vw, 84px);
}

.page-faq .faq-toc__title {
  margin: 0 0 12px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--ink);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .16em;
  color: var(--graphite);
}

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

.page-faq .faq-toc__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 7px 8px 7px 12px;
  border-left: 2px solid transparent;
  color: var(--char);
  font-size: var(--fs-14);
  line-height: 1.5;
  text-decoration: none;
  transition: border-color .15s ease, background .15s ease, color .15s ease;
}

.page-faq .faq-toc__link--sub {
  padding-left: 30px;
  color: var(--graphite);
  font-size: var(--fs-12);
}

.page-faq .faq-toc__link:hover,
.page-faq .faq-toc__link:focus-visible {
  border-left-color: var(--orange-soft);
  color: var(--ink);
}

.page-faq .faq-toc__link[aria-current="true"] {
  border-left-color: var(--orange);
  background: var(--paper-2);
  color: var(--ink);
  font-weight: 700;
}

.page-faq .faq-toc__no {
  font-size: var(--fs-12);
  color: var(--graphite);
}

/* ---------- 内容区块通用 ---------- */

.page-faq .faq-block {
  margin: 0 0 clamp(48px, 7vw, 76px);
}

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

.page-faq .faq-block > .section__head {
  margin-bottom: 24px;
}

/* ---------- 索引检索方式 ---------- */

.page-faq .faq-search__grid {
  display: grid;
  gap: 1px;
  background: var(--line-2);
  border: 1px solid var(--line-2);
}

.page-faq .faq-search__card {
  background: var(--paper);
  padding: 22px 20px 24px;
  transition: background .15s ease;
}

.page-faq .faq-search__card:hover {
  background: var(--paper-2);
}

.page-faq .faq-search__key {
  display: inline-grid;
  place-items: center;
  width: 30px;
  height: 30px;
  background: var(--orange);
  color: var(--char);
  font-size: var(--fs-12);
  font-weight: 700;
}

.page-faq .faq-search__card h3 {
  margin: 14px 0 8px;
  font-size: var(--fs-20);
  font-weight: 900;
  color: var(--ink);
}

.page-faq .faq-search__card p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--char);
}

.page-faq .faq-search__tips {
  margin-top: 18px;
  padding: 18px 20px;
  background: var(--paper-2);
  border-left: 3px solid var(--ink);
}

.page-faq .faq-search__tips-title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .1em;
  color: var(--ink);
}

.page-faq .faq-search__tips-list {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 6px;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--char);
}

/* ---------- 问答分组 ---------- */

.page-faq .faq-group {
  margin-bottom: 36px;
}

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

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 10px;
  margin-bottom: 6px;
  border-bottom: 2px solid var(--ink);
}

.page-faq .faq-group__num {
  font-size: var(--fs-25);
  font-weight: 700;
  line-height: 1;
  color: var(--orange);
}

.page-faq .faq-group__title {
  flex: 1 1 auto;
  margin: 0;
  font-size: var(--fs-20);
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-faq .faq-group__count {
  flex: 0 0 auto;
  font-size: var(--fs-12);
  color: var(--graphite);
}

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

.page-faq .faq-item__sum {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 14px 6px 14px 12px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item__sum::marker {
  content: "";
}

.page-faq .faq-item__sum::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  bottom: 12px;
  width: 2px;
  background: var(--orange);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform .18s ease;
}

.page-faq .faq-item[open] .faq-item__sum::before {
  transform: scaleY(1);
}

.page-faq .faq-item__sum:hover .faq-item__q {
  color: var(--ink);
}

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

.page-faq .faq-item__idx {
  flex: 0 0 40px;
  font-size: var(--fs-14);
  font-weight: 700;
  line-height: 1.6;
  color: var(--orange);
}

.page-faq .faq-item[open] .faq-item__idx {
  color: var(--ink);
}

.page-faq .faq-item__q {
  flex: 1 1 auto;
  min-width: 0;
  font-size: var(--fs-16);
  font-weight: 700;
  line-height: 1.6;
  color: var(--char);
}

.page-faq .faq-item__sign {
  position: relative;
  flex: 0 0 16px;
  width: 16px;
  height: 16px;
  margin-top: 6px;
}

.page-faq .faq-item__sign::before,
.page-faq .faq-item__sign::after {
  content: "";
  position: absolute;
  background: var(--ink);
  transition: transform .18s ease, background .18s ease;
}

.page-faq .faq-item__sign::before {
  left: 0;
  top: 7px;
  width: 100%;
  height: 2px;
}

.page-faq .faq-item__sign::after {
  left: 7px;
  top: 0;
  width: 2px;
  height: 100%;
}

.page-faq .faq-item[open] .faq-item__sign::before {
  background: var(--orange);
}

.page-faq .faq-item[open] .faq-item__sign::after {
  transform: scaleY(0);
}

.page-faq .faq-item__body {
  padding: 0 6px 18px 62px;
}

.page-faq .faq-item__body p {
  margin: 0;
  font-size: var(--fs-16);
  line-height: 1.75;
  color: var(--char);
}

.page-faq .faq-item__body a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--orange);
  text-underline-offset: 3px;
}

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

/* ---------- 一键收藏 ---------- */

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

.page-faq .faq-fav__steps {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-2);
}

.page-faq .faq-fav__steps li {
  display: flex;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-fav__no {
  flex: 0 0 32px;
  font-size: var(--fs-14);
  font-weight: 700;
  line-height: 1.75;
  color: var(--orange);
}

.page-faq .faq-fav__steps p {
  margin: 0;
  font-size: var(--fs-16);
  line-height: 1.75;
  color: var(--char);
}

.page-faq .faq-fav__more {
  margin: 18px 0 0;
  padding: 14px 16px;
  background: var(--paper-2);
  border-left: 3px solid var(--orange);
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--char);
}

.page-faq .faq-fav__more a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--orange);
  text-underline-offset: 3px;
}

.page-faq .faq-fav__figure {
  border: 1px solid var(--line-2);
  background: var(--paper-2);
  padding: 0;
}

.page-faq .faq-fav__figure .figure__frame {
  overflow: hidden;
}

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

.page-faq .faq-fav__figure .figure__cap {
  padding: 12px 14px;
  border-top: 1px solid var(--line-2);
  font-size: var(--fs-12);
  line-height: 1.6;
  color: var(--graphite);
}

/* ---------- 错误提示对照表 ---------- */

.page-faq .faq-codes__scroll {
  overflow-x: auto;
  border: 1px solid var(--line-2);
  background: var(--paper);
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-codes__table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: var(--fs-14);
}

.page-faq .faq-codes__table thead th {
  padding: 12px 14px;
  background: var(--ink);
  color: var(--paper);
  font-size: var(--fs-12);
  font-weight: 700;
  letter-spacing: .08em;
  text-align: left;
  white-space: nowrap;
}

.page-faq .faq-codes__table th,
.page-faq .faq-codes__table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  line-height: 1.6;
  vertical-align: top;
  text-align: left;
}

.page-faq .faq-codes__table tbody tr:nth-child(even) {
  background: var(--paper-2);
}

.page-faq .faq-codes__table tbody tr:target {
  background: rgba(255, 107, 26, .16);
  box-shadow: inset 3px 0 0 var(--orange);
}

.page-faq .faq-codes__table tbody th[scope="row"] {
  color: var(--ink);
  font-weight: 700;
  white-space: nowrap;
}

.page-faq .faq-codes__table tbody td:nth-child(2) {
  color: var(--graphite);
}

.page-faq .faq-codes__table tbody td:last-child {
  color: var(--char);
}

/* ---------- 收尾引导 ---------- */

.page-faq .faq-help__inner {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--paper);
  padding: clamp(26px, 5vw, 48px);
}

.page-faq .faq-help__inner::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 84px;
  height: 84px;
  background: var(--orange);
  clip-path: polygon(100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-faq .faq-help__text {
  position: relative;
  z-index: 1;
  max-width: 46em;
}

.page-faq .faq-help__text .eyebrow {
  color: var(--orange-soft);
}

.page-faq .faq-help__text h2 {
  margin: 10px 0 14px;
  font-size: clamp(24px, 4.4vw, 31px);
  font-weight: 900;
  letter-spacing: -0.01em;
  line-height: 1.24;
  color: var(--paper);
}

.page-faq .faq-help__text p {
  margin: 0;
  font-size: var(--fs-16);
  line-height: 1.75;
  color: var(--cream);
}

.page-faq .faq-help__actions {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 10px;
  margin-top: 26px;
  max-width: 320px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-faq .faq-help__actions {
    grid-template-columns: 1fr 1fr;
    max-width: none;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(320px, 1fr);
    gap: 44px;
    align-items: start;
    margin-top: 30px;
  }

  .page-faq .faq-hero__lead .lede {
    margin-top: 20px;
  }

  .page-faq .faq-start__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

  .page-faq .faq-steps {
    padding-top: 4px;
  }

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

  .page-faq .faq-fav__grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(260px, 1fr);
    gap: 40px;
    align-items: start;
  }

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

@media (min-width: 1000px) {
  .page-faq .faq-shell {
    grid-template-columns: var(--faq-toc-w) minmax(0, 1fr);
    gap: var(--faq-shell-gap);
    align-items: start;
  }

  .page-faq .faq-toc {
    position: sticky;
    top: calc(var(--hd-main-h-sm) + 20px);
    max-height: calc(100vh - var(--hd-main-h-sm) - 40px);
    overflow-y: auto;
  }

  .page-faq .faq-item__body {
    padding-right: 24px;
  }
}

@media (max-width: 560px) {
  .page-faq .faq-hero__quick a {
    padding: 6px 11px;
    font-size: var(--fs-12);
  }

  .page-faq .faq-item__idx {
    flex: 0 0 32px;
    font-size: var(--fs-12);
  }

  .page-faq .faq-item__body {
    padding-left: 44px;
    padding-right: 0;
  }

  .page-faq .faq-item__sum {
    padding-right: 0;
  }

  .page-faq .faq-group__count {
    display: none;
  }

  .page-faq .faq-fav__steps li {
    gap: 10px;
  }
}
<<<END>>>