.page-faq {
  --faq-gap: clamp(20px, 4vw, 40px);
  --faq-panel: rgba(12, 34, 56, 0.72);
  --faq-cyan-wash: rgba(53, 242, 208, 0.07);
  --faq-radius: 4px;
  padding-bottom: clamp(40px, 8vw, 88px);
}

.page-faq .breadcrumb {
  margin: clamp(16px, 3vw, 28px) 0 0;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  display: grid;
  gap: var(--faq-gap);
  padding: clamp(18px, 4vw, 34px) 0 clamp(30px, 5vw, 58px);
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-hero__lead h1 {
  margin: 14px 0 0;
  font-size: clamp(30px, 7vw, 58px);
  line-height: 1.1;
  letter-spacing: -0.015em;
  font-weight: 800;
  color: var(--paper);
  max-width: 16ch;
}

.page-faq .faq-hero__intro {
  margin: 18px 0 0;
  max-width: 46ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
  color: var(--text-dim);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.page-faq .faq-hero__actions .btn {
  flex: 1 1 190px;
  justify-content: center;
  min-height: 48px;
}

/* 高频问题索引面板 */
.page-faq .faq-index {
  background: var(--faq-panel);
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  padding: clamp(16px, 3vw, 22px);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 18px 40px -28px rgba(0, 0, 0, 0.9);
}

.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
}

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

.page-faq .faq-index__link {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 11px 6px;
  border-bottom: 1px dashed var(--line-soft);
  color: var(--text);
  text-decoration: none;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .faq-index__list li:last-child .faq-index__link {
  border-bottom: 0;
}

.page-faq .faq-index__num {
  flex: none;
  font-size: 12px;
  color: var(--stone);
  letter-spacing: 0.06em;
}

.page-faq .faq-index__text {
  display: flex;
  flex-direction: column;
  gap: 3px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.3;
}

.page-faq .faq-index__text em {
  font-style: normal;
  font-size: 12px;
  font-weight: 400;
  color: var(--stone);
  letter-spacing: 0.02em;
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--cyan);
  background: var(--faq-cyan-wash);
  outline: none;
}

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

.page-faq .faq-index__note {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--stone);
  line-height: 1.5;
}

.page-faq .faq-index__dot {
  flex: none;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--moss);
  box-shadow: 0 0 0 3px rgba(111, 139, 114, 0.2);
}

/* ---------- 左侧目录 + 正文 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: clamp(24px, 4vw, 56px);
  padding-top: clamp(24px, 4vw, 48px);
}

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

.page-faq .faq-toc__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--stone);
}

.page-faq .faq-toc__list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0 0 0 12px;
  border-left: 1px solid var(--line);
}

.page-faq .faq-toc__list li + li {
  margin-top: 10px;
}

.page-faq .faq-toc__list a {
  display: block;
  font-size: 13px;
  line-height: 1.45;
  color: var(--text-dim);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.page-faq .faq-toc__list a:hover,
.page-faq .faq-toc__list a:focus-visible {
  color: var(--cyan);
  outline: none;
}

.page-faq .faq-toc__back {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--orange);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 122, 61, 0.4);
  padding-bottom: 2px;
}

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

/* ---------- 问答区块 ---------- */
.page-faq .faq-block {
  padding: 0 0 clamp(30px, 5vw, 56px);
  margin-bottom: clamp(30px, 5vw, 56px);
  border-bottom: 1px solid var(--line-soft);
  scroll-margin-top: calc(var(--header-line) + 20px);
}

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

.page-faq .faq-block__head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 20px;
}

.page-faq .faq-block__num {
  flex: none;
  padding-top: 4px;
  font-size: clamp(18px, 3vw, 24px);
  color: var(--line);
  letter-spacing: 0.02em;
}

.page-faq .faq-block__head h2 {
  margin: 0;
  font-size: clamp(21px, 3.4vw, 28px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--paper);
  line-height: 1.25;
}

.page-faq .faq-block__sub {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--stone);
}

.page-faq .faq-answer {
  margin: 0 0 22px;
  padding: 14px 16px;
  border-left: 3px solid var(--cyan);
  background: var(--faq-cyan-wash);
  font-size: 15px;
  line-height: 1.75;
  color: var(--text);
}

.page-faq .faq-answer strong {
  color: var(--cyan);
  font-weight: 700;
  margin-right: 2px;
}

/* 图 */
.page-faq .faq-figure {
  margin: 24px 0;
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  background: var(--ink-1);
  overflow: hidden;
}

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

.page-faq .faq-figure figcaption {
  padding: 10px 14px;
  border-top: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--stone);
  line-height: 1.5;
}

/* 步骤 */
.page-faq .faq-steps {
  list-style: none;
  counter-reset: faqstep;
  margin: 24px 0 0;
  padding: 0;
}

.page-faq .faq-steps li {
  counter-increment: faqstep;
  position: relative;
  padding: 0 0 20px 46px;
  border-left: 1px solid var(--line-soft);
  margin-left: 12px;
}

.page-faq .faq-steps li:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-faq .faq-steps li::before {
  content: "0" counter(faqstep);
  position: absolute;
  left: -13px;
  top: -2px;
  display: grid;
  place-items: center;
  width: 25px;
  height: 25px;
  border-radius: 50%;
  background: var(--ink-1);
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--cyan);
}

.page-faq .faq-steps h3 {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
  line-height: 1.4;
}

.page-faq .faq-steps p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text-dim);
}

/* 折叠问答 */
.page-faq .faq-more {
  margin-top: 14px;
  border: 1px solid var(--line-soft);
  border-radius: var(--faq-radius);
  background: var(--ink-1);
  transition: border-color var(--dur) var(--ease);
}

.page-faq .faq-more[open] {
  border-color: var(--line);
}

.page-faq .faq-more summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 14px;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  list-style: none;
  min-height: 48px;
}

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

.page-faq .faq-more summary::before {
  content: "+";
  flex: none;
  width: 18px;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--orange);
}

.page-faq .faq-more[open] summary::before {
  content: "−";
}

.page-faq .faq-more summary:hover {
  color: var(--cyan);
}

.page-faq .faq-more summary:focus-visible {
  outline: 1px solid var(--cyan);
  outline-offset: -2px;
}

.page-faq .faq-more p {
  margin: 0;
  padding: 0 14px 15px 42px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-dim);
}

/* 四步导出流程 */
.page-faq .faq-flow {
  display: grid;
  gap: 10px;
  margin-top: 22px;
}

.page-faq .faq-flow__step {
  position: relative;
  padding: 16px;
  border: 1px solid var(--line-soft);
  border-radius: var(--faq-radius);
  background: linear-gradient(160deg, var(--ink-1), rgba(12, 34, 56, 0.4));
}

.page-faq .faq-flow__step h3 {
  margin: 10px 0 6px;
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
}

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

/* 收藏三块 */
.page-faq .faq-save {
  display: grid;
  gap: 12px;
}

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

.page-faq .faq-save__item h3 {
  margin: 0 0 8px;
  font-size: 16.5px;
  font-weight: 700;
  color: var(--paper);
}

.page-faq .faq-save__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-faq .faq-save__hint {
  margin-top: 10px !important;
  padding-top: 10px;
  border-top: 1px dashed var(--line-soft);
  font-size: 12.5px !important;
  color: var(--stone) !important;
}

/* 反馈信息 */
.page-faq .faq-need {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-need li {
  display: grid;
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line-soft);
}

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

.page-faq .faq-need__val {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-faq .faq-contact {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  background: var(--ink-1);
}

.page-faq .faq-contact__row {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--line-soft);
}

.page-faq .faq-contact__label {
  font-size: 11px;
  letter-spacing: 0.14em;
  font-family: var(--font-mono);
  color: var(--stone);
}

.page-faq .faq-contact__value {
  font-size: 15px;
  color: var(--paper);
  line-height: 1.5;
  word-break: break-word;
}

.page-faq .faq-contact__note {
  margin: 14px 0 16px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--stone);
}

.page-faq .faq-contact__link {
  width: 100%;
  justify-content: center;
  min-height: 46px;
}

/* 排查清单 */
.page-faq .faq-check {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  background: linear-gradient(200deg, rgba(53, 242, 208, 0.05), rgba(7, 21, 35, 0));
}

.page-faq .faq-check__label {
  display: inline-block;
  margin: 0 0 14px;
}

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

.page-faq .faq-check__list li + li {
  margin-top: 6px;
}

.page-faq .faq-check__list label {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px;
  border: 1px solid var(--line-soft);
  border-radius: var(--faq-radius);
  background: var(--ink-0);
  cursor: pointer;
  min-height: 48px;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .faq-check__list label:hover {
  border-color: var(--line);
}

.page-faq .faq-check__list input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
}

.page-faq .faq-check__box {
  flex: none;
  position: relative;
  width: 18px;
  height: 18px;
  margin-top: 2px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--ink-1);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-check__box::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 1px;
  width: 5px;
  height: 10px;
  border-right: 2px solid var(--ink-0);
  border-bottom: 2px solid var(--ink-0);
  transform: rotate(42deg) scale(0.4);
  opacity: 0;
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-faq .faq-check__list input:checked + .faq-check__box {
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-faq .faq-check__list input:checked + .faq-check__box::after {
  opacity: 1;
  transform: rotate(42deg) scale(1);
}

.page-faq .faq-check__list input:focus-visible + .faq-check__box {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

.page-faq .faq-check__text {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-faq .faq-check__text strong {
  display: block;
  margin-bottom: 2px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--paper);
}

.page-faq .faq-check__list input:checked ~ .faq-check__text {
  color: var(--stone);
}

/* 结尾行动区 */
.page-faq .faq-cta {
  display: grid;
  gap: 16px;
  margin-top: 22px;
  padding: 20px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--orange);
  border-radius: var(--faq-radius);
  background: var(--ink-1);
}

.page-faq .faq-cta h3 {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 700;
  color: var(--paper);
  line-height: 1.35;
}

.page-faq .faq-cta p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-dim);
}

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

.page-faq .faq-cta__actions .btn {
  flex: 1 1 140px;
  justify-content: center;
  min-height: 46px;
}

/* ---------- 平板 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

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

  .page-faq .faq-need li {
    grid-template-columns: 120px minmax(0, 1fr);
    align-items: baseline;
    gap: 14px;
  }

  .page-faq .faq-contact__row {
    flex-direction: row;
    align-items: baseline;
    justify-content: space-between;
    gap: 20px;
  }

  .page-faq .faq-contact__link {
    width: auto;
  }

  .page-faq .faq-hero__actions .btn {
    flex: 0 0 auto;
    min-width: 190px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 980px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-layout {
    grid-template-columns: 210px minmax(0, 1fr);
    gap: clamp(32px, 4vw, 64px);
    align-items: start;
  }

  .page-faq .faq-toc {
    display: block;
    position: sticky;
    top: calc(var(--header-line) + 28px);
  }

  .page-faq .faq-flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-flow__step::after {
    content: "";
    position: absolute;
    right: -7px;
    top: 26px;
    width: 6px;
    height: 1px;
    background: var(--orange);
    opacity: 0.7;
  }

  .page-faq .faq-flow__step:last-child::after {
    display: none;
  }

  .page-faq .faq-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 28px;
  }

  .page-faq .faq-cta__actions {
    flex-wrap: nowrap;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index__link,
  .page-faq .faq-check__box,
  .page-faq .faq-check__box::after,
  .page-faq .faq-more,
  .page-faq .faq-check__list label {
    transition: none;
  }
}
<<<PAGE_CSS_END>>>