.page-faq {
  --faq-gap: clamp(28px, 5vw, 56px);
  --faq-pad: clamp(16px, 3.4vw, 28px);
  position: relative;
  background:
    linear-gradient(180deg, rgba(201, 162, 39, 0.07), rgba(11, 11, 13, 0) 26%),
    var(--vault-black);
  color: var(--ink);
  font-family: var(--font-body);
}

.page-faq .wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.page-faq .chapter {
  padding-block: clamp(48px, 9vw, 96px);
}

.page-faq .eyebrow {
  margin: 0 0 0.7em;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  color: var(--crown);
}

.page-faq .section-title {
  margin: 0 0 0.9em;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(1.6rem, 4.2vw, 2.35rem);
  line-height: 1.3;
  color: var(--white);
}

.page-faq .section-head {
  max-width: 640px;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  padding-top: clamp(24px, 5vw, 48px);
  padding-bottom: clamp(8px, 2vw, 20px);
}

.page-faq .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: clamp(24px, 5vw, 44px);
  font-size: 0.84rem;
  color: var(--ink-2);
}

.page-faq .breadcrumbs a {
  color: var(--ink-2);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .breadcrumbs a:hover {
  color: var(--white);
  border-bottom-color: var(--crown);
}

.page-faq .breadcrumbs__sep {
  color: var(--metal-gray);
}

.page-faq .breadcrumbs [aria-current="page"] {
  color: var(--white);
}

.page-faq .faq-hero__title {
  margin: 0.2em 0 0.4em;
  max-width: 12em;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.3rem, 8vw, 4.4rem);
  line-height: 0.98;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-faq .faq-hero__lede {
  margin: 0;
  max-width: 600px;
  font-size: clamp(0.98rem, 2.2vw, 1.06rem);
  line-height: 1.85;
  color: var(--ink-2);
}

.page-faq .faq-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin: 1.6em 0 0;
  padding: 0;
  list-style: none;
  font-size: 0.88rem;
  color: var(--ink-2);
}

.page-faq .faq-hero__facts .meta-mono {
  color: var(--crown);
  font-size: 0.95rem;
}

.page-faq .faq-hero__media {
  margin: clamp(28px, 5vw, 52px) 0 0;
}

.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--line);
  background: var(--deep-black);
}

/* ---------- 速查网格 ---------- */

.page-faq .quick-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

.page-faq .quick-item {
  background: var(--deep-black);
}

.page-faq .quick-item__link {
  display: flex;
  flex-direction: column;
  gap: 0.5em;
  height: 100%;
  padding: var(--faq-pad);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-faq .quick-item__link:hover,
.page-faq .quick-item__link:focus-visible {
  border-left-color: var(--crown);
  background: rgba(42, 44, 49, 0.45);
}

.page-faq .quick-item__link:focus-visible {
  outline: 2px solid var(--crown);
  outline-offset: -2px;
}

.page-faq .quick-item__q {
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.55;
  color: var(--white);
}

.page-faq .quick-item__a {
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--ink-2);
}

.page-faq .quick-item__go {
  margin-top: auto;
  padding-top: 0.6em;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  color: var(--amber);
}

/* ---------- 分组问答 ---------- */

.page-faq .group {
  margin-top: var(--faq-gap);
  padding-top: clamp(22px, 4vw, 34px);
  border-top: 1px solid var(--line);
}

.page-faq .group:first-of-type {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

.page-faq .group__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px 16px;
  margin-bottom: clamp(16px, 3vw, 24px);
}

.page-faq .group__num {
  padding-left: 10px;
  border-left: 2px solid var(--gold-line);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.18em;
  color: var(--crown);
}

.page-faq .group__title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(1.3rem, 3.4vw, 1.7rem);
  line-height: 1.3;
  color: var(--white);
}

.page-faq .group__count {
  margin-left: auto;
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  color: var(--ink-2);
}

.page-faq .group__media {
  margin: 0 0 clamp(20px, 3vw, 28px);
}

.page-faq .group__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--line);
  background: var(--deep-black);
}

.page-faq .qa {
  border-top: 1px solid var(--line-soft);
}

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

.page-faq .qa__q {
  position: relative;
  display: block;
  padding: 16px 44px 16px 16px;
  border-left: 2px solid transparent;
  list-style: none;
  cursor: pointer;
  font-size: 0.98rem;
  font-weight: 500;
  line-height: 1.6;
  color: var(--ink-2);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

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

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

.page-faq .qa__q::after {
  content: "+";
  position: absolute;
  top: 50%;
  right: 14px;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 1.1rem;
  line-height: 1;
  color: var(--metal-gray);
  transition: color 0.2s var(--ease);
}

.page-faq .qa__q:hover {
  color: var(--white);
  background: rgba(42, 44, 49, 0.4);
}

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

.page-faq .qa__item[open] > .qa__q {
  border-left-color: var(--crown);
  color: var(--white);
}

.page-faq .qa__item[open] > .qa__q::after {
  content: "−";
  color: var(--crown);
}

.page-faq .qa__a {
  padding: 0 20px 20px 18px;
}

.page-faq .qa__a p {
  margin: 0;
  max-width: 62ch;
  font-size: 0.94rem;
  line-height: 1.85;
  color: var(--ink-2);
}

/* ---------- 三步自查 ---------- */

.page-faq .steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--line-soft);
  border-block: 1px solid var(--line-soft);
}

.page-faq .step {
  position: relative;
  padding: clamp(20px, 3.6vw, 30px);
  background: var(--deep-black);
}

.page-faq .step__num {
  display: block;
  margin-bottom: 0.9em;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  color: var(--crown);
}

.page-faq .step__title {
  margin: 0 0 0.55em;
  font-size: 1.08rem;
  font-weight: 600;
  line-height: 1.45;
  color: var(--white);
}

.page-faq .step__text {
  margin: 0;
  max-width: 46ch;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--ink-2);
}

/* ---------- 联系出口 ---------- */

.page-faq .faq-help__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 5vw, 52px);
  padding: clamp(24px, 5vw, 48px);
  border: 1px solid var(--gold-line);
  background:
    linear-gradient(150deg, rgba(201, 162, 39, 0.1), rgba(18, 19, 23, 0) 58%),
    var(--deep-black);
}

.page-faq .faq-help__lede {
  margin: 0 0 1.6em;
  max-width: 46ch;
  font-size: 0.96rem;
  line-height: 1.85;
  color: var(--ink-2);
}

.page-faq .faq-help__channels {
  display: grid;
  gap: 1px;
  align-content: start;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--line-soft);
}

.page-faq .faq-help__channel {
  display: flex;
  flex-direction: column;
  gap: 0.35em;
  padding: 14px 16px;
  background: var(--vault-black);
}

.page-faq .faq-help__label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--crown);
}

.page-faq .faq-help__value {
  font-size: 0.94rem;
  line-height: 1.7;
  color: var(--white);
  word-break: break-word;
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-faq .quick-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .group__media {
    max-width: 620px;
  }
}

@media (min-width: 860px) {
  .page-faq .steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .step + .step::before {
    content: "";
    position: absolute;
    top: 50%;
    left: -1px;
    width: 1px;
    height: 34px;
    margin-top: -17px;
    background: var(--crown);
    opacity: 0.55;
  }

  .page-faq .faq-help__inner {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: start;
  }

  .page-faq .faq-hero__media img {
    max-height: 420px;
  }
}

@media (min-width: 1080px) {
  .page-faq .group__media {
    max-width: 720px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .quick-item__link,
  .page-faq .qa__q,
  .page-faq .qa__q::after,
  .page-faq .breadcrumbs a {
    transition: none;
  }
}