.page-faq {
  --faq-accent: var(--cyan);
  --faq-rule: var(--line);
  --faq-muted: var(--mist);
  position: relative;
  background: var(--obsidian);
  color: var(--text);
  font-family: var(--font-sans);
  overflow-x: hidden;
  padding-bottom: clamp(40px, 7vw, 80px);
}

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

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: clamp(20px, 4vw, 36px) 0 clamp(18px, 3vw, 30px);
  background:
    radial-gradient(110% 70% at 92% 4%, rgba(53, 224, 208, .12), transparent 62%),
    radial-gradient(90% 60% at 0% 100%, rgba(212, 166, 74, .10), transparent 60%),
    var(--obsidian);
}

.page-faq .breadcrumbs {
  margin-bottom: clamp(20px, 4vw, 34px);
}

.page-faq .breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
}

.page-faq .breadcrumbs__link {
  color: var(--mist);
  text-decoration: none;
}

.page-faq .breadcrumbs__link:hover {
  color: var(--gold-soft);
}

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

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

.page-faq .faq-hero__frame {
  position: relative;
  padding: clamp(26px, 5vw, 52px) clamp(20px, 4vw, 56px);
  background: linear-gradient(148deg, rgba(15, 42, 34, .94), rgba(10, 15, 13, .92) 64%);
}

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

.page-faq .faq-hero__title {
  margin: .3em 0 .55em;
  max-width: 20ch;
  font-size: clamp(28px, 7vw, 56px);
  font-weight: 900;
  letter-spacing: -.02em;
  line-height: 1.12;
}

.page-faq .faq-hero__lede {
  max-width: 42ch;
  margin: 0;
  color: var(--mist);
  font-size: clamp(15px, 3.6vw, 17px);
  line-height: 1.78;
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 4vw, 32px);
}

/* ---------- 问题定位条 ---------- */
.page-faq .faq-jump {
  margin-top: clamp(22px, 4vw, 36px);
  padding-top: 16px;
  border-top: 1px solid var(--line-gold);
}

.page-faq .faq-jump__label {
  margin: 0 0 12px;
}

.page-faq .faq-jump__list {
  display: flex;
  gap: 10px;
  margin: 0;
  padding: 2px 2px 10px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.page-faq .faq-jump__list::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-jump__chip {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 10px 16px;
  border: 1px solid var(--line-gold);
  border-radius: 999px;
  background: rgba(21, 64, 53, .6);
  color: var(--text);
  font-size: 14px;
  white-space: nowrap;
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .faq-jump__chip:hover,
.page-faq .faq-jump__chip:focus-visible {
  border-color: var(--gold);
  background: rgba(212, 166, 74, .14);
  color: var(--gold-soft);
}

/* ---------- 区块基础 ---------- */
.page-faq .faq-block {
  position: relative;
  padding: clamp(44px, 8vw, 88px) 0;
  scroll-margin-top: calc(var(--topbar-h) + 20px);
}

.page-faq .faq-block--ink {
  background: var(--ink);
}

.page-faq .faq-block--lift {
  background: var(--ink-lift);
}

.page-faq .faq-block--obsidian {
  background: linear-gradient(180deg, var(--obsidian), #060A09);
}

.page-faq .faq-block--paper {
  --faq-accent: var(--ink);
  --faq-rule: rgba(42, 53, 50, .28);
  --faq-muted: rgba(15, 42, 34, .72);
  background: var(--paper);
  color: var(--ink);
}

.page-faq .faq-block--paper :focus-visible {
  outline-color: var(--ink);
}

.page-faq .faq-block__head {
  margin-bottom: clamp(26px, 5vw, 44px);
}

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

.page-faq .faq-block__title {
  margin: 0 0 14px;
  max-width: 24ch;
  font-size: clamp(24px, 5.4vw, 40px);
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1.18;
}

.page-faq .faq-block__lede {
  max-width: 44ch;
  margin: 0;
  color: var(--faq-muted);
  font-size: 16px;
  line-height: 1.78;
}

/* ---------- 图文分栏 ---------- */
.page-faq .faq-split {
  display: grid;
  gap: clamp(24px, 5vw, 44px);
}

.page-faq .faq-split__body {
  min-width: 0;
}

@media (min-width: 920px) {
  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    align-items: start;
  }
}

/* ---------- 步骤条 ---------- */
.page-faq .faq-steps {
  margin: 0 0 clamp(24px, 4vw, 34px);
  padding: 0;
  list-style: none;
}

.page-faq .faq-step {
  position: relative;
  padding: 0 0 28px 54px;
}

.page-faq .faq-step::before {
  content: "";
  position: absolute;
  left: 17px;
  top: 40px;
  bottom: 2px;
  width: 1px;
  background: linear-gradient(180deg, var(--gold), rgba(212, 166, 74, .1));
}

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

.page-faq .faq-step:last-child::before {
  display: none;
}

.page-faq .faq-step__num {
  position: absolute;
  left: 0;
  top: 0;
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border: 1px solid var(--gold);
  border-radius: 50%;
  background: rgba(212, 166, 74, .1);
  color: var(--gold);
  font-size: 12px;
  letter-spacing: .04em;
}

.page-faq .faq-step__title {
  margin: 5px 0 8px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
}

.page-faq .faq-step__text {
  max-width: 42ch;
  margin: 0;
  color: var(--faq-muted);
  font-size: 15px;
  line-height: 1.78;
}

@media (min-width: 720px) {
  .page-faq .faq-steps--grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 4px 36px;
  }

  .page-faq .faq-steps--grid .faq-step {
    padding-bottom: 26px;
  }

  .page-faq .faq-steps--grid .faq-step::before {
    display: none;
  }
}

/* ---------- 问答折叠 ---------- */
.page-faq .faq-q-list {
  border-top: 1px solid var(--faq-rule);
}

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

.page-faq .faq-q__sum {
  display: flex;
  align-items: baseline;
  gap: 12px;
  min-height: 44px;
  padding: 18px 0;
  list-style: none;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
}

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

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

.page-faq .faq-q__idx {
  flex: 0 0 auto;
  color: var(--faq-accent);
  font-size: 12px;
  letter-spacing: .08em;
}

.page-faq .faq-q__q {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .faq-q__mark {
  position: relative;
  flex: 0 0 auto;
  align-self: center;
  width: 20px;
  height: 20px;
}

.page-faq .faq-q__mark::before,
.page-faq .faq-q__mark::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--faq-accent);
  transform: translate(-50%, -50%);
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}

.page-faq .faq-q__mark::before {
  width: 14px;
  height: 1.5px;
}

.page-faq .faq-q__mark::after {
  width: 1.5px;
  height: 14px;
}

.page-faq .faq-q[open] .faq-q__mark::after {
  transform: translate(-50%, -50%) scaleY(0);
  opacity: 0;
}

.page-faq .faq-q__body {
  max-width: 64ch;
  padding: 0 0 22px;
  color: var(--faq-muted);
  font-size: 15px;
  line-height: 1.8;
}

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

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

/* ---------- 图片 ---------- */
.page-faq .faq-media {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line-gold);
}

.page-faq .faq-media .media__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .faq-media--tall {
  max-width: 520px;
}

.page-faq .faq-figure-wide {
  margin: 0 0 clamp(28px, 5vw, 44px);
}

.page-faq .faq-media--wide {
  border-color: rgba(15, 42, 34, .22);
}

.page-faq .faq-figure-wide .media__caption {
  margin-top: 10px;
  color: var(--faq-muted);
  font-size: 13px;
  line-height: 1.7;
}

/* ---------- 收藏夹卡片 ---------- */
.page-faq .faq-cards {
  display: grid;
  gap: 16px;
  margin: 0 0 clamp(26px, 5vw, 40px);
  padding: 0;
  list-style: none;
}

@media (min-width: 760px) {
  .page-faq .faq-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-faq .faq-cards__item {
  padding: 22px 20px 24px;
  border: 1px solid var(--line-gold);
  background: linear-gradient(160deg, rgba(21, 64, 53, .92), rgba(10, 15, 13, .88));
  clip-path: polygon(var(--cut) 0, 100% 0, 100% 100%, 0 100%, 0 var(--cut));
}

.page-faq .faq-cards__num {
  display: block;
  margin-bottom: 10px;
  color: var(--gold);
  font-size: 12px;
  letter-spacing: .1em;
}

.page-faq .faq-cards__title {
  margin: 0 0 8px;
  color: var(--text);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
}

.page-faq .faq-cards__text {
  margin: 0;
  color: rgba(243, 234, 218, .78);
  font-size: 15px;
  line-height: 1.78;
}

/* ---------- 三条排查路径 ---------- */
.page-faq .faq-paths {
  display: grid;
  gap: 20px;
  margin: 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 780px) {
  .page-faq .faq-paths {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px;
  }
}

.page-faq .faq-paths__item {
  padding-top: 18px;
  border-top: 1px solid var(--line-gold);
}

.page-faq .faq-paths__num {
  display: block;
  color: var(--gold);
  font-size: 12px;
  letter-spacing: .1em;
}

.page-faq .faq-paths__title {
  margin: 10px 0 8px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
}

.page-faq .faq-paths__text {
  margin: 0 0 10px;
  color: var(--faq-muted);
  font-size: 15px;
  line-height: 1.78;
}

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

.page-faq .faq-paths__link {
  display: inline-block;
  color: var(--cyan);
  font-size: 14px;
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 224, 208, .45);
  padding-bottom: 2px;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-paths__link:hover,
.page-faq .faq-paths__link:focus-visible {
  color: var(--gold-soft);
  border-bottom-color: var(--gold-soft);
}

/* ---------- 账号与访问 ---------- */
.page-faq .faq-notes {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-notes__item {
  display: grid;
  gap: 6px;
  padding: 20px 0;
  border-bottom: 1px solid var(--faq-rule);
}

.page-faq .faq-notes__item:first-child {
  padding-top: 0;
}

@media (min-width: 720px) {
  .page-faq .faq-notes__item {
    grid-template-columns: 180px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
  }
}

.page-faq .faq-notes__key {
  color: var(--faq-accent);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
}

.page-faq .faq-notes__val {
  margin: 0;
  color: var(--faq-muted);
  font-size: 15px;
  line-height: 1.8;
}

/* ---------- 联系客服 ---------- */
.page-faq .faq-contact {
  display: grid;
  gap: 16px;
  margin: 0 0 clamp(22px, 4vw, 32px);
  padding: 0;
  list-style: none;
}

@media (min-width: 800px) {
  .page-faq .faq-contact {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-faq .faq-contact__item {
  padding: 22px 20px;
  border: 1px solid var(--line-gold);
  background: linear-gradient(160deg, rgba(21, 64, 53, .82), rgba(10, 15, 13, .9));
}

.page-faq .faq-contact__key {
  display: block;
  margin-bottom: 12px;
  color: var(--gold);
  font-size: 12px;
  letter-spacing: .14em;
}

.page-faq .faq-contact__val {
  display: block;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: clamp(15px, 3.8vw, 18px);
  letter-spacing: .01em;
  line-height: 1.5;
  text-decoration: none;
  word-break: break-all;
}

a.faq-contact__val:hover,
a.faq-contact__val:focus-visible {
  color: var(--cyan);
}

.page-faq .faq-hint {
  margin: 0;
  padding: 16px 18px;
  border-left: 2px solid var(--gold);
  background: rgba(212, 166, 74, .08);
  color: var(--mist);
  font-size: 14px;
  line-height: 1.8;
}

.page-faq .faq-footnote {
  margin: 18px 0 0;
  color: var(--mist);
  font-size: 14px;
  line-height: 1.9;
}

@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    transition-duration: .001ms !important;
    animation-duration: .001ms !important;
  }
}