.page-faq {
  display: block;
  padding: clamp(24px, 4vw, 56px) clamp(16px, 4vw, 56px) clamp(72px, 9vw, 128px);
  color: var(--mist);
}

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

.page-faq .media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 开场 ---------- */
.page-faq .faq-hero {
  position: relative;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: clamp(20px, 3.6vw, 44px);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-lg);
  background:
    radial-gradient(880px 440px at 92% -14%, rgba(53, 224, 208, 0.12), transparent 62%),
    radial-gradient(760px 420px at 2% 6%, rgba(255, 106, 43, 0.12), transparent 60%),
    linear-gradient(160deg, var(--night), var(--deep) 68%);
}

.page-faq .faq-hero .crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--stone);
}

.page-faq .faq-hero .crumb a {
  color: var(--stone);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-hero .crumb a:hover {
  color: var(--lava);
  border-color: var(--lava);
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
  margin-top: clamp(20px, 3vw, 34px);
}

.page-faq .faq-hero__intro .eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--fs-note);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-faq .faq-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 4.6vw, 60px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--paper);
  max-width: 15ch;
}

.page-faq .faq-hero__lede {
  margin: clamp(16px, 2.2vw, 24px) 0 0;
  max-width: 56ch;
  font-size: var(--fs-body);
  line-height: 1.78;
  color: var(--mist);
}

.page-faq .faq-hero__jump {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 0;
}

.page-faq .faq-hero__jump a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 15px 7px 12px;
  font-size: 14px;
  line-height: 1;
  color: var(--mist);
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(11, 27, 43, 0.5);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-faq .faq-hero__jump a:hover {
  transform: translateY(-2px);
  border-color: var(--lava);
  color: var(--paper);
}

.page-faq .faq-hero__jump a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-faq .faq-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--brass);
}

.page-faq .faq-hero__media {
  border: 1px solid var(--line-brass);
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--ink);
}

/* ---------- 分组 ---------- */
.page-faq .faq-block {
  max-width: var(--wrap);
  margin: clamp(52px, 7vw, 96px) auto 0;
  scroll-margin-top: 28px;
}

.page-faq .faq-block__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: start;
  gap: 12px clamp(14px, 2vw, 26px);
  padding-bottom: clamp(12px, 1.6vw, 18px);
  border-bottom: 1px solid var(--line-brass);
}

.page-faq .faq-block__idx {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(18px, 2.2vw, 28px);
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--brass);
}

.page-faq .faq-block__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 2.6vw, 34px);
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-block__head .vnote {
  display: none;
  writing-mode: vertical-rl;
  font-size: var(--fs-note);
  letter-spacing: 0.18em;
  color: var(--stone);
}

/* ---------- 问答项 ---------- */
.page-faq .faq-list {
  margin: 0;
}

.page-faq .faq-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  padding: clamp(18px, 2.4vw, 26px) 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-item__q {
  position: relative;
  display: block;
  padding-right: 34px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(17px, 1.9vw, 22px);
  line-height: 1.5;
  color: var(--paper);
  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;
  top: 2px;
  right: 0;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--stone);
  transition: color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-faq .faq-item[open] .faq-item__q::after {
  content: "－";
  color: var(--lava);
}

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

.page-faq .faq-item__q:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 5px;
  border-radius: 4px;
}

.page-faq .faq-item__a {
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-item[open] .faq-item__a {
  animation: faq-panel-in 220ms var(--ease) both;
}

.page-faq .faq-item__a p {
  margin: 0 0 12px;
  max-width: 62ch;
}

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

.page-faq .faq-item__a a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--dur) var(--ease);
}

.page-faq .faq-item__a a:hover {
  color: var(--lava);
}

.page-faq .faq-item__a a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

@keyframes faq-panel-in {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------- 联系方式 ---------- */
.page-faq .faq-contact {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 16px 0 4px;
}

.page-faq .faq-contact__item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  padding: 11px 15px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--night);
  transition: border-color var(--dur) var(--ease);
}

.page-faq .faq-contact__item:hover {
  border-color: var(--line-brass);
}

.page-faq .faq-contact__k {
  min-width: 68px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--stone);
}

.page-faq .faq-contact__v {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 14px;
  letter-spacing: 0.01em;
  color: var(--mist);
  word-break: break-all;
}

.page-faq .copy-btn {
  cursor: pointer;
}

.page-faq .copy-msg {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

/* ---------- 中段横向带 ---------- */
.page-faq .faq-band {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 3vw, 40px);
  align-items: center;
  max-width: var(--wrap);
  margin: clamp(52px, 7vw, 96px) auto 0;
  padding: clamp(18px, 3vw, 36px);
  border: 1px solid var(--line-brass);
  border-radius: var(--r-lg);
  background: linear-gradient(135deg, var(--night), var(--deep) 76%);
}

.page-faq .faq-band__media {
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--ink);
}

.page-faq .faq-band__body .eyebrow {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: var(--fs-note);
  letter-spacing: 0.2em;
  color: var(--cyan);
}

.page-faq .faq-band__body h2 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 2.6vw, 32px);
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-band__body p {
  margin: 0 0 20px;
  max-width: 60ch;
  font-size: var(--fs-body);
  line-height: 1.78;
  color: var(--mist);
}

/* ---------- 尾声 ---------- */
.page-faq .faq-tail {
  padding: clamp(26px, 4vw, 52px);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background:
    radial-gradient(620px 320px at 8% 12%, rgba(53, 224, 208, 0.1), transparent 62%),
    var(--ink);
}

.page-faq .faq-tail__head {
  border-bottom-color: var(--line);
}

.page-faq .faq-tail__text {
  margin: clamp(18px, 2.6vw, 28px) 0 0;
  max-width: 62ch;
  font-size: var(--fs-body);
  line-height: 1.78;
  color: var(--mist);
}

.page-faq .faq-tail__text a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-tail__text a:hover {
  color: var(--lava);
}

.page-faq .faq-tail__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-faq .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 22px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-decoration: none;
  border-radius: var(--r-sm);
  border: 1px solid transparent;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-faq .btn--lava {
  background: var(--lava);
  color: var(--ink);
}

.page-faq .btn--lava:hover {
  transform: translateY(-2px);
  background: var(--terra);
}

.page-faq .btn--ghost {
  border-color: var(--line-brass);
  color: var(--paper);
  background: transparent;
}

.page-faq .btn--ghost:hover {
  transform: translateY(-2px);
  border-color: var(--lava);
  color: var(--lava);
}

.page-faq .btn:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* ---------- 桌面 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-block__head .vnote {
    display: block;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.72fr);
  }

  .page-faq .faq-item {
    grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.4fr);
    gap: clamp(24px, 4vw, 64px);
    align-items: start;
  }

  .page-faq .faq-item__q {
    grid-column: 1;
    grid-row: 1;
  }

  .page-faq .faq-item__a {
    grid-column: 2;
    grid-row: 1;
  }

  .page-faq .faq-band {
    grid-template-columns: minmax(0, 0.58fr) minmax(0, 1.42fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item[open] .faq-item__a {
    animation: none;
  }

  .page-faq .faq-hero__jump a,
  .page-faq .btn {
    transition-duration: 1ms;
  }
}