.page-faq {
  --faq-rule: rgba(140, 133, 124, .45);
  --faq-rule-dark: rgba(251, 249, 244, .18);
  background: var(--sand);
  color: var(--ink);
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  padding: 28px 0 48px;
  background: var(--sand);
  border-top: 4px solid var(--goji);
  overflow: hidden;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  z-index: 0;
  right: -14%;
  bottom: -32%;
  width: 52%;
  height: 168%;
  background: var(--night);
  transform: rotate(-7deg);
  pointer-events: none;
}

.page-faq .faq-hero > .site-wrap {
  position: relative;
  z-index: 1;
}

.page-faq .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 24px;
  font-size: var(--fs-2);
  color: var(--ink-mid);
}

.page-faq .crumbs__link {
  color: var(--ink-mid);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-faq .crumbs__link:hover,
.page-faq .crumbs__link:focus-visible {
  color: var(--goji);
  border-bottom-color: var(--goji);
}

.page-faq .crumbs__sep {
  color: var(--ink-light);
}

.page-faq .crumbs__current {
  color: var(--ink);
  font-weight: 700;
}

.page-faq .faq-hero__grid {
  row-gap: 32px;
  align-items: start;
}

.page-faq .faq-hero__label {
  margin: 0 0 14px;
  color: var(--goji);
}

.page-faq .faq-hero__title {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 4.2vw, 46px);
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-faq .faq-hero__lead {
  max-width: 620px;
  margin: 0 0 28px;
  font-size: var(--fs-3);
  line-height: 1.85;
  color: var(--ink-mid);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-faq .faq-quick {
  padding: 24px;
  background: var(--paper);
  border: 1px solid var(--ink-light);
  box-shadow: var(--hard-shadow);
}

.page-faq .faq-quick__title {
  margin: 0 0 14px;
  font-size: var(--fs-4);
  font-weight: 700;
  color: var(--ink);
}

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

.page-faq .faq-quick__list li + li {
  border-top: 1px solid var(--faq-rule);
}

.page-faq .faq-quick__list a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 12px 10px;
  color: var(--ink);
  font-size: var(--fs-3);
  line-height: 1.6;
  text-decoration: none;
  border-left: 3px solid transparent;
  transition: color .18s ease, border-color .18s ease, background-color .18s ease;
}

.page-faq .faq-quick__list a:hover,
.page-faq .faq-quick__list a:focus-visible {
  color: var(--goji);
  border-left-color: var(--goji);
  background: var(--sand-light);
}

.page-faq .faq-quick__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: var(--fs-1);
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--goji);
}

/* ---------- 三步自查 ---------- */

.page-faq .faq-diagnose {
  padding: 56px 0 64px;
}

.page-faq .faq-steps {
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.page-faq .faq-step {
  padding: 24px 0;
  border-top: 1px solid var(--faq-rule);
}

.page-faq .faq-step:last-child {
  border-bottom: 1px solid var(--faq-rule);
}

.page-faq .faq-step__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  margin-bottom: 14px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: var(--fs-2);
  font-weight: 700;
  letter-spacing: .06em;
}

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

.page-faq .faq-step__title {
  margin: 0 0 10px;
  font-size: var(--fs-4);
  font-weight: 700;
  color: var(--ink);
}

.page-faq .faq-step__text {
  margin: 0;
  font-size: var(--fs-3);
  line-height: 1.8;
  color: var(--ink-mid);
}

/* ---------- 流程图 ---------- */

.page-faq .faq-flow {
  padding: 8px 0 64px;
}

.page-faq .faq-flow__figure {
  margin: 0;
  padding: 2px;
  background: var(--sand-light);
  border: 1px solid var(--ink-light);
}

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

.page-faq .media__caption {
  padding: 10px 12px 4px;
  font-size: var(--fs-2);
  line-height: 1.7;
  color: var(--ink-mid);
}

/* ---------- 折叠排查清单 ---------- */

.page-faq .faq-cases {
  padding: 56px 0 72px;
}

.page-faq .faq-cases__grid {
  row-gap: 36px;
}

.page-faq .faq-cases__lead {
  margin: 16px 0 16px;
  font-size: var(--fs-3);
  line-height: 1.85;
  color: var(--ink-mid);
}

.page-faq .faq-cases__meta {
  margin: 0;
  color: var(--ink-mid);
}

.page-faq .faq-cases__meta a {
  color: var(--goji);
  border-bottom: 1px solid var(--goji);
  text-decoration: none;
}

.page-faq .acc__item {
  border-top: 1px solid var(--faq-rule);
  scroll-margin-top: 90px;
}

.page-faq .acc__item:last-child {
  border-bottom: 1px solid var(--faq-rule);
}

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

.page-faq .acc__btn {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  width: 100%;
  padding: 20px 0;
  background: none;
  border: 0;
  text-align: left;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--ink);
  transition: color .18s ease;
}

.page-faq .acc__btn:hover {
  color: var(--goji);
}

.page-faq .acc__btn::before {
  content: "";
  flex: 0 0 auto;
  width: 14px;
  height: 14px;
  margin-top: 5px;
  border: 1px solid var(--goji);
  background:
    linear-gradient(var(--goji), var(--goji)) center / 8px 1px no-repeat,
    linear-gradient(var(--goji), var(--goji)) center / 1px 8px no-repeat;
}

.page-faq .acc__btn[aria-expanded="true"]::before {
  border-color: var(--goji-deep);
  background: linear-gradient(var(--goji-deep), var(--goji-deep)) center / 8px 1px no-repeat;
}

.page-faq .acc__panel {
  display: none;
  padding: 0 0 28px 28px;
}

.page-faq .acc__panel[data-open="true"] {
  display: block;
}

.page-faq .diag {
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
}

.page-faq .diag__key {
  margin: 12px 0 0;
  font-size: var(--fs-1);
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--goji);
}

.page-faq .diag__key:first-child {
  margin-top: 0;
}

.page-faq .diag__val {
  margin: 0;
  font-size: var(--fs-3);
  line-height: 1.8;
  color: var(--ink-mid);
}

.page-faq .steps-list {
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
  counter-reset: faqstep;
  display: grid;
  gap: 12px;
}

.page-faq .steps-list > li {
  display: grid;
  grid-template-columns: 26px 1fr;
  gap: 12px;
  font-size: var(--fs-3);
  line-height: 1.8;
  color: var(--ink);
}

.page-faq .steps-list > li::before {
  counter-increment: faqstep;
  content: counter(faqstep, decimal-leading-zero);
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  margin-top: 3px;
  background: var(--sand-light);
  border: 1px solid var(--ink-light);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
}

.page-faq .done {
  margin: 0 0 14px;
  padding: 12px 16px;
  background: var(--sand-light);
  border-left: 3px solid var(--sand-gold);
  font-size: var(--fs-2);
  line-height: 1.75;
  color: var(--ink);
}

.page-faq .faq-note {
  margin: 0;
  font-size: var(--fs-2);
  line-height: 1.8;
  color: var(--ink-mid);
}

.page-faq .faq-export__figure {
  margin: 20px 0 0;
  padding: 2px;
  background: var(--night);
  border: 1px solid var(--ink-light);
}

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

.page-faq .faq-export__figure .media__caption {
  color: rgba(251, 249, 244, .74);
}

/* ---------- 客服支持 ---------- */

.page-faq .faq-support {
  padding: 64px 0 72px;
  background: var(--night);
  color: var(--paper);
}

.page-faq .faq-support__grid {
  row-gap: 36px;
}

.page-faq .faq-support__label {
  margin: 0 0 14px;
  color: var(--sand-gold);
}

.page-faq .faq-support__title {
  color: var(--paper);
}

.page-faq .faq-support__lead {
  max-width: 460px;
  margin: 16px 0 24px;
  font-size: var(--fs-3);
  line-height: 1.85;
  color: rgba(251, 249, 244, .78);
}

.page-faq .faq-prep {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-faq .faq-prep li {
  position: relative;
  padding-left: 18px;
  font-size: var(--fs-2);
  line-height: 1.75;
  color: rgba(251, 249, 244, .76);
}

.page-faq .faq-prep li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  background: var(--sand-gold);
}

.page-faq .faq-contact-card {
  padding: 6px 24px;
  background: var(--night-light);
  border: 1px solid var(--faq-rule-dark);
}

.page-faq .faq-contact-card__row {
  display: grid;
  gap: 6px;
  padding: 18px 0;
  border-top: 1px solid var(--faq-rule-dark);
}

.page-faq .faq-contact-card__row:first-child {
  border-top: 0;
}

.page-faq .faq-contact-card__key {
  color: rgba(251, 249, 244, .62);
  font-size: var(--fs-1);
  letter-spacing: .08em;
}

.page-faq .faq-contact-card__val {
  font-size: var(--fs-3);
  line-height: 1.6;
  color: var(--paper);
}

.page-faq .faq-contact-card__val.mono {
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--sand-gold);
  text-decoration: none;
  word-break: break-all;
}

.page-faq .faq-contact-card__val a {
  color: var(--sand-gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(217, 164, 65, .5);
}

.page-faq .faq-support__foot {
  margin: 20px 0 0;
  font-size: var(--fs-2);
  line-height: 1.9;
  color: rgba(251, 249, 244, .7);
}

.page-faq .faq-support__foot a {
  color: var(--sand-gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(217, 164, 65, .5);
}

/* ---------- 断点 ---------- */

@media (max-width: 899px) {
  .page-faq .faq-hero::after {
    display: none;
  }

  .page-faq .faq-quick {
    box-shadow: none;
  }

  .page-faq .acc__panel {
    padding-left: 0;
  }
}

@media (min-width: 720px) {
  .page-faq .diag {
    grid-template-columns: 108px 1fr;
    column-gap: 20px;
    align-items: start;
  }

  .page-faq .diag__key {
    margin: 0;
    padding-top: 5px;
  }

  .page-faq .diag__key:first-child {
    margin-top: 0;
  }

  .page-faq .diag__val {
    margin-bottom: 14px;
  }

  .page-faq .faq-contact-card__row {
    grid-template-columns: 120px 1fr;
    align-items: baseline;
    column-gap: 16px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: 40px 0 72px;
  }

  .page-faq .faq-hero__aside {
    padding-top: 12px;
  }

  .page-faq .faq-steps {
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 48px;
  }

  .page-faq .faq-step {
    padding: 0;
    border-top: 0;
  }

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

  .page-faq .faq-step + .faq-step {
    position: relative;
  }

  .page-faq .faq-step + .faq-step::before {
    content: "";
    position: absolute;
    left: -30px;
    top: 17px;
    width: 28px;
    height: 1px;
    background: var(--ink-light);
    transform: rotate(-24deg);
    transform-origin: left center;
  }

  .page-faq .faq-cases__aside {
    position: sticky;
    top: 84px;
  }

  .page-faq .faq-cases__lead {
    max-width: 320px;
  }
}