.page-faq {
  --faq-radius: 18px;
  --faq-gap: clamp(16px, 3vw, 26px);
  display: block;
  background: var(--ink-900);
  color: var(--white);
}

.page-faq a {
  overflow-wrap: anywhere;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(125% 95% at 88% -10%, rgba(123, 77, 255, 0.30), transparent 62%),
    radial-gradient(80% 70% at 0% 100%, rgba(45, 245, 214, 0.07), transparent 68%),
    linear-gradient(180deg, var(--ink-800), var(--ink-900));
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -12%;
  bottom: -34%;
  width: 46%;
  height: 70%;
  background: var(--ink-700);
  transform: rotate(-14deg);
  opacity: 0.55;
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 40px);
  padding-top: clamp(18px, 3vw, 28px);
  padding-bottom: clamp(32px, 6vw, 64px);
}

.page-faq .faq-hero__crumbs {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mute);
}

.page-faq .faq-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-faq .faq-hero__title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: clamp(32px, 6.6vw, 58px);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--white);
  text-shadow: 0 0 24px rgba(123, 77, 255, 0.35);
}

.page-faq .faq-hero__lead {
  max-width: 52ch;
  margin: 0 0 clamp(20px, 3vw, 28px);
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.78;
  color: rgba(245, 248, 255, 0.82);
}

.page-faq .faq-jump {
  position: relative;
  padding: clamp(14px, 2.4vw, 20px);
  border: 1px solid var(--line-strong);
  border-radius: var(--faq-radius);
  background: rgba(17, 17, 27, 0.85);
}

.page-faq .faq-jump::before {
  content: "";
  position: absolute;
  left: 18px;
  top: -1px;
  width: 54px;
  height: 2px;
  background: linear-gradient(90deg, var(--violet), var(--cyan));
}

.page-faq .faq-jump__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mute);
}

.page-faq .faq-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-tag {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 13px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.4;
  color: var(--violet-soft);
  text-decoration: none;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease), background 0.18s var(--ease), transform 0.18s var(--ease);
}

.page-faq .faq-tag__num {
  font-size: 11px;
  color: var(--cyan);
}

.page-faq .faq-tag:hover {
  transform: translateY(-2px);
  border-color: var(--yellow);
  color: var(--yellow);
  background: rgba(246, 214, 74, 0.08);
}

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

.page-faq .faq-hero__media {
  margin: 0;
  border: 1px solid var(--line-strong);
  border-radius: var(--faq-radius);
  overflow: hidden;
  background: var(--ink-800);
}

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

.page-faq .faq-hero__cap {
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mute);
}

/* ---------- 问题区 ---------- */
.page-faq .faq-board {
  padding: clamp(36px, 6vw, 72px) 0 clamp(30px, 5vw, 56px);
}

.page-faq .faq-board__head {
  max-width: 62ch;
  margin-bottom: clamp(22px, 3.5vw, 36px);
}

.page-faq .faq-board__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(24px, 3.4vw, 34px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-faq .faq-board__lead {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mute);
}

.page-faq .qa-groups {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--faq-gap);
  align-items: start;
}

.page-faq .qa-group {
  position: relative;
  overflow: hidden;
  padding: clamp(16px, 2.6vw, 24px);
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  background: var(--ink-800);
  scroll-margin-top: calc(var(--hdr-h) + 18px);
  transition: border-color 0.2s var(--ease);
}

.page-faq .qa-group::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--violet), var(--cyan) 58%, transparent);
  opacity: 0.7;
}

.page-faq .qa-group:hover {
  border-color: var(--line-strong);
}

.page-faq .qa-group__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 8px;
}

.page-faq .qa-group__num {
  flex: 0 0 auto;
  font-family: var(--font-display);
  font-size: clamp(30px, 4vw, 40px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: 0.02em;
  color: rgba(45, 245, 214, 0.85);
}

.page-faq .qa-group__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.4vw, 25px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-faq .qa-group__desc {
  margin: 0 0 14px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--mute);
}

.page-faq .qa-group__media {
  margin: 0 0 14px;
}

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

/* 手风琴 */
.page-faq .qa-item {
  border-top: 1px solid var(--line);
}

.page-faq .qa-item>.qa-item__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 0;
  font-family: var(--font-mono);
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--white);
  cursor: pointer;
  list-style: none;
  transition: color 0.16s var(--ease);
}

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

.page-faq .qa-item>.qa-item__q:hover {
  color: var(--cyan);
}

.page-faq .qa-item>.qa-item__q:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 4px;
}

.page-faq .qa-item__chevron {
  position: relative;
  flex: 0 0 auto;
  width: 14px;
  height: 14px;
  margin-left: auto;
  margin-top: 4px;
  color: var(--violet-soft);
}

.page-faq .qa-item__chevron::before,
.page-faq .qa-item__chevron::after {
  content: "";
  position: absolute;
  background: currentColor;
  transition: transform 0.2s var(--ease), opacity 0.2s var(--ease);
}

.page-faq .qa-item__chevron::before {
  left: 0;
  top: 50%;
  width: 100%;
  height: 1.5px;
  transform: translateY(-50%);
}

.page-faq .qa-item__chevron::after {
  top: 0;
  left: 50%;
  width: 1.5px;
  height: 100%;
  transform: translateX(-50%);
}

.page-faq .qa-item[open]>.qa-item__q {
  color: var(--cyan);
}

.page-faq .qa-item[open] .qa-item__chevron {
  color: var(--cyan);
}

.page-faq .qa-item[open] .qa-item__chevron::after {
  transform: translateX(-50%) rotate(90deg);
  opacity: 0;
}

.page-faq .qa-item__body {
  padding: 0 0 16px;
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(245, 248, 255, 0.84);
}

.page-faq .qa-item__body p {
  margin: 0 0 10px;
}

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

.page-faq .qa-related {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
}

.page-faq .qa-related__link {
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.16s var(--ease), color 0.16s var(--ease);
}

.page-faq .qa-related__link:hover {
  color: var(--yellow);
  border-bottom-color: var(--yellow);
}

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

.page-faq .qa-item__body .qa-related:first-child {
  margin-top: 10px;
}

/* ---------- 底部协助 ---------- */
.page-faq .faq-help {
  padding: 0 0 clamp(40px, 6vw, 76px);
}

.page-faq .faq-help__panel {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 3vw, 30px);
  padding: clamp(22px, 4vw, 40px);
  border: 1px solid var(--line-strong);
  border-radius: 22px;
  background:
    radial-gradient(120% 150% at 100% 0%, rgba(45, 245, 214, 0.16), transparent 58%),
    linear-gradient(120deg, #2a1160, var(--ink-800) 62%);
}

.page-faq .faq-help__panel::after {
  content: "";
  position: absolute;
  right: -8%;
  top: -30%;
  width: 36%;
  height: 170%;
  background: rgba(123, 77, 255, 0.18);
  transform: rotate(16deg);
  pointer-events: none;
}

.page-faq .faq-help__text {
  position: relative;
  z-index: 1;
  max-width: 58ch;
}

.page-faq .faq-help__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(22px, 3.2vw, 32px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-faq .faq-help__lead {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(245, 248, 255, 0.82);
}

.page-faq .faq-help__actions {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .qa-groups {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 920px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: start;
  }

  .page-faq .faq-hero__crumbs {
    grid-column: 1 / -1;
  }

  .page-faq .qa-group:nth-child(even) {
    margin-top: 30px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-tag,
  .page-faq .qa-item__chevron::before,
  .page-faq .qa-item__chevron::after,
  .page-faq .qa-group {
    transition: none;
  }

  .page-faq .faq-tag:hover {
    transform: none;
  }
}
<<<END>>>