.page-faq {
  --faq-shadow: 0 10px 28px rgba(11, 23, 48, .1);
  --faq-shadow-deep: 0 18px 44px rgba(11, 23, 48, .34);
}

/* ============ 首屏 ============ */
.page-faq .faq-hero {
  position: relative;
  padding: calc(var(--header-h) + 44px) 0 clamp(40px, 6vw, 76px);
  background:
    radial-gradient(120% 90% at 82% 6%, rgba(217, 165, 68, .16) 0%, rgba(11, 23, 48, 0) 58%),
    linear-gradient(160deg, #0B1730 0%, #16264F 62%, #0B1730 100%);
  overflow: hidden;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 1px;
  background: linear-gradient(90deg, rgba(217, 165, 68, 0) 0%, rgba(217, 165, 68, .6) 22%, rgba(217, 165, 68, .6) 78%, rgba(217, 165, 68, 0) 100%);
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero .breadcrumb,
.page-faq .faq-hero .breadcrumb a {
  color: #6C7A99;
  font-size: 13px;
}

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

.page-faq .faq-hero .breadcrumb-list li + li::before {
  content: "/";
  margin-right: 8px;
  color: rgba(217, 165, 68, .5);
}

.page-faq .faq-hero .breadcrumb a:hover {
  color: #F2DFA8;
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 34px;
  margin-top: 30px;
}

.page-faq .faq-hero__lead h1 {
  font-family: var(--font-serif);
  font-weight: 900;
  letter-spacing: -.01em;
  font-size: clamp(2rem, 6vw, 3.5rem);
  line-height: 1.14;
  color: #F5F2EA;
  margin: 12px 0 18px;
}

.page-faq .faq-hero__desc {
  color: #C9D2E4;
  font-size: 16px;
  line-height: 1.85;
  max-width: 56ch;
  margin: 0 0 24px;
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
}

.page-faq .faq-hero__meta {
  font-size: 12.5px;
  color: #6C7A99;
  letter-spacing: .06em;
  margin: 0;
}

.page-faq .faq-hero__toc {
  align-self: start;
  border: 1px solid rgba(217, 165, 68, .28);
  background: rgba(11, 23, 48, .5);
  padding: 20px 20px 12px;
  position: relative;
}

.page-faq .faq-hero__toc::before,
.page-faq .faq-hero__toc::after {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  border: 1px solid rgba(217, 165, 68, .8);
}

.page-faq .faq-hero__toc::before {
  top: -1px;
  left: -1px;
  border-right: 0;
  border-bottom: 0;
}

.page-faq .faq-hero__toc::after {
  bottom: -1px;
  right: -1px;
  border-left: 0;
  border-top: 0;
}

.page-faq .faq-hero__toc-title {
  font-size: 11.5px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: #D9A544;
  margin: 0 0 14px;
}

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

.page-faq .faq-toc__link {
  display: block;
  padding: 9px 0;
  border-bottom: 1px dashed rgba(108, 122, 153, .3);
  color: #C9D2E4;
  font-size: 14.5px;
  text-decoration: none;
  transition: color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-faq .faq-toc li:last-child .faq-toc__link {
  border-bottom: 0;
}

.page-faq .faq-toc__link:hover,
.page-faq .faq-toc__link[aria-current="true"] {
  color: #F2DFA8;
  padding-left: 8px;
  border-left: 2px solid #D9A544;
}

/* ============ 三步流程 ============ */
.page-faq .faq-steps .section-desc {
  max-width: 62ch;
}

.page-faq .faq-flow {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin-top: 30px;
  counter-reset: faqstep;
}

.page-faq .faq-step {
  position: relative;
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 16px;
  padding: 22px 0 22px 0;
  border-top: 1px solid rgba(108, 122, 153, .35);
}

.page-faq .faq-step:last-child {
  border-bottom: 1px solid rgba(108, 122, 153, .35);
}

.page-faq .faq-step__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: #C0392B;
  color: #F5F2EA;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 16px;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-faq .faq-step:hover .faq-step__num {
  transform: scale(1.12);
  box-shadow: 0 0 0 6px rgba(217, 165, 68, .18);
}

.page-faq .faq-step__title {
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 700;
  color: #0B1730;
  margin: 6px 0 8px;
}

.page-faq .faq-step__body p {
  color: #14161C;
  font-size: 15.5px;
  line-height: 1.8;
  margin: 0 0 6px;
}

.page-faq .faq-step__body a {
  color: #4A6FA5;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-step__note {
  font-size: 13px !important;
  color: #4A6FA5 !important;
  background: rgba(217, 165, 68, .1);
  border-left: 2px solid rgba(217, 165, 68, .6);
  padding: 7px 12px;
  margin-top: 8px !important;
}

.page-faq .faq-steps__figure {
  margin: 34px 0 0;
}

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

.page-faq .faq-steps__caption {
  font-size: 13px;
  color: #6C7A99;
  margin-top: 10px;
  letter-spacing: .04em;
}

.page-faq .faq-inline-note {
  margin: 20px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: #6C7A99;
  border-left: 2px solid #D9A544;
  padding-left: 14px;
}

.page-faq .faq-inline-note a {
  color: #4A6FA5;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ============ 使用记录 ============ */
.page-faq .faq-records {
  background:
    radial-gradient(90% 70% at 12% 4%, rgba(217, 165, 68, .12) 0%, rgba(11, 23, 48, 0) 60%),
    #0B1730;
}

.page-faq .faq-records .section-title {
  color: #F5F2EA;
}

.page-faq .faq-records .section-desc {
  color: #C9D2E4;
}

.page-faq .faq-records__grid {
  align-items: start;
}

.page-faq .faq-records__list {
  margin: 26px 0 0;
  padding: 0;
  border-top: 1px solid rgba(217, 165, 68, .28);
}

.page-faq .faq-records__item {
  padding: 16px 0;
  border-bottom: 1px solid rgba(108, 122, 153, .3);
}

.page-faq .faq-records__item dt {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 15.5px;
  color: #F2DFA8;
  margin-bottom: 6px;
}

.page-faq .faq-records__item dd {
  margin: 0;
  color: #C9D2E4;
  font-size: 15px;
  line-height: 1.78;
}

.page-faq .faq-records__item dd a {
  color: #F2DFA8;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-records__item .mono {
  color: #D9A544;
}

.page-faq .faq-records__figure {
  margin: 30px 0 0;
}

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

/* ============ 问答折叠 ============ */
.page-faq .faq-qa {
  background: #EFE6D2;
}

.page-faq .faq-qa .section-title {
  color: #0B1730;
}

.page-faq .faq-fold {
  margin-top: 34px;
}

.page-faq .faq-fold__group {
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 700;
  color: #0B1730;
  letter-spacing: .02em;
  padding-bottom: 10px;
  margin: 0 0 4px;
  border-bottom: 1px solid rgba(11, 23, 48, .22);
}

.page-faq .faq-fold__group::before {
  content: "";
  display: inline-block;
  width: 20px;
  height: 2px;
  background: #D9A544;
  vertical-align: middle;
  margin-right: 10px;
}

.page-faq .faq-item {
  border-bottom: 1px solid rgba(11, 23, 48, .12);
}

.page-faq .faq-item__q {
  cursor: pointer;
  list-style: none;
  position: relative;
  padding: 16px 40px 16px 0;
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 15.5px;
  line-height: 1.6;
  color: #0B1730;
  transition: color var(--dur) var(--ease);
}

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

.page-faq .faq-item__q::after {
  content: "+";
  position: absolute;
  right: 6px;
  top: 14px;
  font-family: var(--font-mono);
  font-size: 18px;
  color: #D9A544;
  transition: transform var(--dur) var(--ease);
}

.page-faq .faq-item[open] > .faq-item__q {
  color: #C0392B;
}

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

.page-faq .faq-item__q:hover {
  color: #4A6FA5;
}

.page-faq .faq-item__a {
  border-left: 2px solid #D9A544;
  padding: 2px 0 14px 16px;
}

.page-faq .faq-item__a p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: #14161C;
}

.page-faq .faq-item__a a {
  color: #4A6FA5;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ============ 仍需帮助 ============ */
.page-faq .faq-help {
  background:
    radial-gradient(80% 60% at 88% 96%, rgba(217, 165, 68, .16) 0%, rgba(11, 23, 48, 0) 62%),
    #16264F;
}

.page-faq .faq-help .section-title {
  color: #F5F2EA;
}

.page-faq .faq-help .section-desc {
  color: #C9D2E4;
}

.page-faq .faq-prep {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
}

.page-faq .faq-prep li {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 12px;
  padding: 13px 0;
  border-bottom: 1px dashed rgba(108, 122, 153, .38);
  color: #C9D2E4;
  font-size: 15px;
  line-height: 1.7;
}

.page-faq .faq-prep__k {
  color: #D9A544;
  font-size: 13px;
  letter-spacing: .1em;
}

.page-faq .faq-contact {
  margin-top: 34px;
  padding: 24px 22px;
  border: 1px solid rgba(217, 165, 68, .38);
  background: rgba(11, 23, 48, .48);
  box-shadow: var(--faq-shadow-deep);
}

.page-faq .faq-contact__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(108, 122, 153, .3);
}

.page-faq .faq-contact__label {
  min-width: 82px;
  font-size: 12px;
  letter-spacing: .12em;
  color: #D9A544;
}

.page-faq .faq-contact__value {
  font-family: var(--font-mono);
  font-size: 15.5px;
  color: #F5F2EA;
  letter-spacing: .02em;
  word-break: break-all;
}

.page-faq .faq-contact__row .copy-btn {
  margin-left: auto;
}

.page-faq .faq-contact__note,
.page-faq .faq-contact__links {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: #C9D2E4;
}

.page-faq .faq-contact__links a {
  color: #F2DFA8;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-help__back {
  margin: 34px 0 0;
}

/* ============ 响应式 ============ */
@media (min-width: 720px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: 8fr 4fr;
    gap: 40px;
    align-items: start;
  }

  .page-faq .faq-hero__toc {
    position: sticky;
    top: calc(var(--header-h-scrolled) + 24px);
  }

  .page-faq .faq-steps .faq-flow {
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
  }

  .page-faq .faq-step {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 26px 22px 26px 0;
    border-top: 0;
    border-bottom: 0;
    border-right: 1px solid rgba(108, 122, 153, .35);
  }

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

  .page-faq .faq-step:not(:first-child) {
    padding-left: 22px;
  }

  .page-faq .faq-step__num {
    width: 42px;
    height: 42px;
    font-size: 17px;
  }

  .page-faq .faq-steps__figure {
    margin-top: 44px;
  }

  .page-faq .faq-records__grid {
    display: grid;
    grid-template-columns: 7fr 5fr;
    gap: 44px;
  }

  .page-faq .faq-records__figure {
    margin-top: 46px;
    position: sticky;
    top: calc(var(--header-h-scrolled) + 30px);
  }

  .page-faq .faq-contact {
    padding: 30px 30px;
  }

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

@media (min-width: 1080px) {
  .page-faq .faq-fold__group {
    font-size: 18px;
  }

  .page-faq .faq-item__q {
    font-size: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-step__num,
  .page-faq .faq-toc__link,
  .page-faq .faq-item__q,
  .page-faq .faq-item__q::after {
    transition: none;
  }

  .page-faq .faq-step:hover .faq-step__num {
    transform: none;
  }
}