.page-faq {
  --faq-side: 236px;
  --faq-soft: rgba(246, 239, 227, 0.78);
  --faq-paper-soft: rgba(6, 16, 26, 0.05);
  background: var(--ink-900);
  color: var(--paper);
  padding-bottom: clamp(48px, 8vw, 88px);
}

.page-faq .breadcrumb {
  padding-top: clamp(16px, 3vw, 24px);
}

.page-faq .breadcrumb__link {
  color: var(--mist);
}

.page-faq .breadcrumb__item:last-child .breadcrumb__link {
  color: var(--gold);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(28px, 5vw, 52px) 0 clamp(36px, 6vw, 64px);
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(29, 68, 99, 0.85) 0%, rgba(10, 29, 48, 0) 62%),
    linear-gradient(180deg, var(--ink-850), var(--ink-900));
  border-bottom: 1px solid var(--rule);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: 18%;
  left: -10%;
  width: 130%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold-deep), transparent);
  transform: rotate(-12deg);
  opacity: 0.7;
  pointer-events: none;
}

.page-faq .faq-hero > .container {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero__label {
  color: var(--gold);
  font-size: 12px;
  letter-spacing: 0.16em;
  margin: 0 0 14px;
}

.page-faq .faq-hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 7vw, 58px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 0;
  max-width: 20em;
}

.page-faq .faq-hero__title-sub {
  display: block;
  color: var(--paper-mute);
  font-size: 0.72em;
  margin-top: 6px;
}

.page-faq .faq-hero__lead {
  font-family: var(--font-body);
  font-size: clamp(15px, 2.2vw, 17px);
  line-height: 1.85;
  color: var(--mist);
  max-width: 40em;
  margin: 20px 0 0;
}

/* 搜索框 */
.page-faq .faq-search {
  margin-top: 26px;
  max-width: 660px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 8px 14px;
  padding: 14px 18px;
  background: var(--ink-700);
  border: 1px solid var(--gold);
  border-left-width: 3px;
}

.page-faq .faq-search__label {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-faq .faq-search__input {
  min-width: 0;
  width: 100%;
  background: transparent;
  border: 0;
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 14px;
  padding: 4px 0;
  -webkit-appearance: none;
  appearance: none;
}

.page-faq .faq-search__input::placeholder {
  color: var(--mist);
  opacity: 0.85;
}

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

.page-faq .faq-search__hint {
  grid-column: 1 / -1;
  font-size: 12px;
  color: var(--jade);
  letter-spacing: 0.08em;
}

/* 三步卡 */
.page-faq .faq-steps {
  list-style: none;
  margin: 34px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-faq .faq-step {
  position: relative;
  padding: 20px 20px 22px;
  background: var(--ink-700);
  border-top: 2px solid var(--gold);
  clip-path: polygon(0 0, calc(100% - var(--radius-cut)) 0, 100% var(--radius-cut), 100% 100%, var(--radius-cut) 100%, 0 calc(100% - var(--radius-cut)));
}

.page-faq .faq-step__num {
  display: block;
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--coral);
}

.page-faq .faq-step__title {
  font-family: var(--font-ui);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.01em;
  margin: 10px 0 8px;
  color: var(--paper);
}

.page-faq .faq-step__text {
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--faq-soft);
  margin: 0;
}

/* ---------- 主体双栏 ---------- */
.page-faq .faq-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  padding-top: clamp(28px, 5vw, 52px);
}

.page-faq .faq-index {
  border-left: 2px solid var(--rule);
  padding-left: 16px;
}

.page-faq .faq-index__title {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gold);
  margin: 0 0 12px;
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 4px 18px;
}

.page-faq .faq-index__link {
  display: block;
  padding: 5px 0 5px 12px;
  border-left: 2px solid transparent;
  color: var(--mist);
  font-family: var(--font-ui);
  font-size: 14px;
  letter-spacing: 0.03em;
  text-decoration: none;
  transition: color 140ms var(--ease), border-color 140ms var(--ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--paper);
  border-left-color: var(--jade);
}

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

.page-faq .faq-index__note {
  display: none;
  margin: 18px 0 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--mist);
  letter-spacing: 0.06em;
}

/* ---------- 主题块 ---------- */
.page-faq .faq-main {
  min-width: 0;
}

.page-faq .faq-topic {
  scroll-margin-top: 96px;
  padding-top: 4px;
  margin-bottom: clamp(36px, 6vw, 60px);
}

.page-faq .faq-topic + .faq-topic {
  border-top: 1px solid var(--rule-soft);
  padding-top: clamp(28px, 4vw, 44px);
}

.page-faq .faq-topic__kicker {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gold);
  margin: 0 0 10px;
}

.page-faq .faq-topic__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(21px, 3.6vw, 30px);
  line-height: 1.35;
  letter-spacing: -0.01em;
  margin: 0 0 12px;
  color: var(--paper);
}

.page-faq .faq-topic__lead {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
  max-width: 40em;
  margin: 0 0 8px;
}

/* 纸面主题块 */
.page-faq .faq-topic--paper {
  background: var(--paper);
  color: var(--ink-black);
  padding: clamp(20px, 4vw, 34px);
  margin-bottom: clamp(36px, 6vw, 60px);
  clip-path: polygon(0 0, calc(100% - 24px) 0, 100% 24px, 100% 100%, 24px 100%, 0 calc(100% - 24px));
}

.page-faq .faq-topic--paper .faq-topic__kicker {
  color: var(--gold-deep);
}

.page-faq .faq-topic--paper .faq-topic__title {
  color: var(--ink-black);
}

.page-faq .faq-topic--paper .faq-topic__lead {
  color: var(--ink-600);
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: 18px 0 20px;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--rule);
}

.page-faq .faq-figure figcaption {
  margin-top: 8px;
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--mist);
  line-height: 1.6;
}

.page-faq .faq-topic--paper .faq-figure img {
  border-color: rgba(6, 16, 26, 0.16);
}

.page-faq .faq-topic--paper .faq-figure figcaption {
  color: var(--ink-600);
}

/* ---------- 答案折叠 ---------- */
.page-faq .faq-item {
  margin-top: 10px;
  background: var(--ink-850);
  border-left: 2px solid var(--gold-deep);
  transition: background 200ms var(--ease), border-color 200ms var(--ease);
}

.page-faq .faq-item[open] {
  background: var(--ink-700);
  border-left-color: var(--gold);
}

.page-faq .faq-item__summary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-ui);
  font-size: 15.5px;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--paper);
}

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

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

.page-faq .faq-item__icon {
  position: relative;
  flex: 0 0 auto;
  width: 12px;
  height: 12px;
  margin-top: 5px;
}

.page-faq .faq-item__icon::before,
.page-faq .faq-item__icon::after {
  content: "";
  position: absolute;
  background: var(--gold);
  transition: transform 200ms var(--ease), opacity 200ms var(--ease);
}

.page-faq .faq-item__icon::before {
  top: 5px;
  left: 0;
  width: 12px;
  height: 2px;
}

.page-faq .faq-item__icon::after {
  top: 0;
  left: 5px;
  width: 2px;
  height: 12px;
}

.page-faq .faq-item[open] .faq-item__icon::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .faq-item__body {
  padding: 0 16px 18px;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.85;
  color: var(--faq-soft);
}

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

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

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

.page-faq .faq-item__steps {
  list-style: none;
  counter-reset: faqstep;
  margin: 0 0 10px;
  padding: 0;
}

.page-faq .faq-item__steps li {
  counter-increment: faqstep;
  position: relative;
  padding-left: 30px;
  margin-bottom: 8px;
}

.page-faq .faq-item__steps li::before {
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--jade);
  letter-spacing: 0.06em;
}

/* 纸面主题块内部覆写 */
.page-faq .faq-topic--paper .faq-item {
  background: var(--faq-paper-soft);
  border-left-color: var(--gold-deep);
}

.page-faq .faq-topic--paper .faq-item[open] {
  background: rgba(6, 16, 26, 0.09);
  border-left-color: var(--gold-deep);
}

.page-faq .faq-topic--paper .faq-item__summary {
  color: var(--ink-black);
}

.page-faq .faq-topic--paper .faq-item__body {
  color: var(--ink-600);
}

.page-faq .faq-topic--paper .faq-item__icon::before,
.page-faq .faq-topic--paper .faq-item__icon::after {
  background: var(--gold-deep);
}

.page-faq .faq-topic--paper .faq-item__body a {
  color: var(--ink-700);
}

/* ---------- 转人工 ---------- */
.page-faq .faq-topic--human {
  border-top-color: var(--rule);
}

.page-faq .faq-human {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  margin-top: 18px;
}

.page-faq .faq-ask {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
}

.page-faq .faq-ask__item {
  position: relative;
  padding: 12px 14px 12px 32px;
  background: var(--ink-700);
  border-left: 2px solid var(--jade);
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--faq-soft);
}

.page-faq .faq-ask__item::before {
  content: "";
  position: absolute;
  left: 14px;
  top: 20px;
  width: 6px;
  height: 6px;
  background: var(--jade);
  transform: rotate(45deg);
}

.page-faq .faq-contact {
  border-top: 1px solid var(--rule);
  padding-top: 16px;
}

.page-faq .faq-contact__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
  margin: 0 0 12px;
}

.page-faq .faq-contact__k {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--jade);
}

.page-faq .faq-contact__v {
  font-family: var(--font-ui);
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-faq .faq-contact__note {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
  margin: 6px 0 0;
}

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

.page-faq .faq-figure--human {
  margin: 0;
}

/* ---------- 相关页面 ---------- */
.page-faq .faq-more {
  border-top: 1px solid var(--rule);
  padding-top: clamp(22px, 4vw, 34px);
}

.page-faq .faq-more__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(18px, 3vw, 22px);
  letter-spacing: -0.01em;
  margin: 0 0 14px;
  color: var(--paper);
}

.page-faq .faq-more__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
}

.page-faq .faq-more__list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  padding: 11px 0;
  border-bottom: 1px solid var(--rule-soft);
}

.page-faq .faq-more__link {
  font-family: var(--font-ui);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.03em;
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 140ms var(--ease);
}

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

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

.page-faq .faq-more__desc {
  font-family: var(--font-body);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-faq .faq-ask {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-contact__row {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 14px;
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-body {
    grid-template-columns: var(--faq-side) minmax(0, 1fr);
    gap: 52px;
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 84px;
    border-left: 1px solid var(--rule);
    padding-left: 18px;
  }

  .page-faq .faq-index__list {
    display: block;
  }

  .page-faq .faq-index__note {
    display: block;
  }

  .page-faq .faq-human {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 28px;
    align-items: start;
  }

  .page-faq .faq-more__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 32px;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-topic:not(.faq-topic--paper) {
    padding-right: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index__link,
  .page-faq .faq-item,
  .page-faq .faq-item__icon::before,
  .page-faq .faq-item__icon::after,
  .page-faq .faq-more__link {
    transition: none;
  }
}