.page-faq {
  --faq-line: var(--ink-line);
  --faq-soft: var(--ink-soft);
  background: var(--paper);
  color: var(--ink);
  padding-bottom: var(--space-band);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-top: clamp(24px, 4vw, 48px);
  padding-bottom: clamp(36px, 6vw, 72px);
  background:
    radial-gradient(110% 90% at 90% -10%, rgba(207, 227, 228, 0.9), transparent 62%),
    radial-gradient(80% 70% at 0% 110%, rgba(232, 201, 126, 0.28), transparent 60%),
    var(--paper);
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-faq .faq-hero__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.9rem, 5.2vw, 3.6rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
  margin: 0.4em 0 0.5em;
  max-width: 15em;
}

.page-faq .faq-hero__lede {
  max-width: 33em;
  color: var(--faq-soft);
}

.page-faq .faq-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-faq .faq-hero__fact {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--faq-line);
  background: rgba(251, 252, 250, 0.6);
}

.page-faq .faq-hero__factnum {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--teal-deep);
}

.page-faq .faq-hero__factlabel {
  font-size: 13px;
  color: var(--faq-soft);
}

.page-faq .faq-hero__media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--faq-line);
  background: var(--paper-2);
}

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

.page-faq .faq-hero__media .media__caption {
  padding: 12px 18px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--faq-soft);
  background: var(--paper-3);
  border-top: 1px solid var(--faq-line);
}

/* ---------- 顶部组别跳转 ---------- */
.page-faq .faq-jump {
  background: var(--teal-deep);
  color: var(--paper-3);
}

.page-faq .faq-jump__inner {
  display: flex;
  gap: 10px;
  padding: 14px 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

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

.page-faq .faq-jump__item {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(251, 252, 250, 0.26);
  color: var(--paper-3);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.2;
  transition: background 180ms ease, border-color 180ms ease, color 180ms ease;
}

.page-faq .faq-jump__item .num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gold-soft);
}

.page-faq .faq-jump__item:hover,
.page-faq .faq-jump__item:focus-visible {
  background: rgba(232, 201, 126, 0.16);
  border-color: var(--gold-soft);
}

.page-faq .faq-jump__item[data-active="true"] {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--ink);
}

.page-faq .faq-jump__item[data-active="true"] .num {
  color: var(--ink);
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  padding-top: clamp(40px, 6vw, 80px);
}

/* ---------- 侧栏 ---------- */
.page-faq .faq-aside__title {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--faq-soft);
}

.page-faq .faq-aside__list {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  border-left: 1px solid var(--faq-line);
}

.page-faq .faq-aside__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 0 10px 14px;
  margin-left: -1px;
  border-left: 2px solid transparent;
  color: var(--faq-soft);
  text-decoration: none;
  font-size: 15px;
  line-height: 1.4;
  transition: color 160ms ease, border-color 160ms ease;
}

.page-faq .faq-aside__link .num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--teal);
}

.page-faq .faq-aside__link:hover,
.page-faq .faq-aside__link:focus-visible {
  color: var(--teal-deep);
}

.page-faq .faq-aside__link[data-active="true"] {
  color: var(--teal-deep);
  border-left-color: var(--gold);
  font-weight: 600;
}

.page-faq .faq-aside__note {
  padding: 18px;
  border-radius: var(--radius-md);
  background: var(--teal-mist);
  border: 1px solid rgba(20, 38, 31, 0.1);
}

.page-faq .faq-aside__notetitle {
  margin: 0 0 8px;
  font-size: 13px;
  font-weight: 700;
  color: var(--teal-deep);
}

.page-faq .faq-aside__mail {
  font-family: var(--font-mono);
  font-size: 12.5px;
  word-break: break-all;
  color: var(--ink);
  margin: 0 0 8px;
}

.page-faq .faq-aside__notehint {
  margin: 0 0 14px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--faq-soft);
}

.page-faq .faq-aside__btn {
  font-size: 13px;
  padding: 8px 16px;
}

/* ---------- 分组 ---------- */
.page-faq .faq-group + .faq-group {
  margin-top: clamp(44px, 6vw, 80px);
}

.page-faq .faq-group__head {
  padding-bottom: 18px;
  border-bottom: 1px solid var(--ink);
  margin-bottom: 4px;
}

.page-faq .faq-group__num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--gold);
  margin-bottom: 6px;
}

.page-faq .faq-group__head .display-2 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.4rem, 3vw, 2rem);
  letter-spacing: -0.015em;
  line-height: 1.2;
}

.page-faq .faq-group__intro {
  margin: 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.7;
  color: var(--faq-soft);
}

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

.page-faq .faq-item__summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 18px 4px 18px 0;
  cursor: pointer;
  list-style: none;
  font-size: clamp(15px, 1.7vw, 17px);
  font-weight: 600;
  line-height: 1.55;
  color: var(--ink);
  transition: color 160ms ease, background 160ms ease;
}

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

.page-faq .faq-item__summary:hover {
  color: var(--teal-deep);
}

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

.page-faq .faq-item__idx {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.9;
  color: var(--teal);
  min-width: 2.6em;
}

.page-faq .faq-item__q {
  flex: 1 1 auto;
}

.page-faq .faq-item__summary::after {
  content: "＋";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1.5;
  color: var(--gold);
}

.page-faq .faq-item[open] .faq-item__summary {
  color: var(--teal-deep);
  background: var(--paper-3);
  border-radius: var(--radius-pill);
  padding-left: 16px;
  padding-right: 16px;
}

.page-faq .faq-item[open] .faq-item__summary::after {
  content: "−";
}

.page-faq .faq-item__body {
  padding: 4px 4px 24px 0;
  animation: faq-fade 220ms ease-out;
}

.page-faq .faq-item__verdict {
  margin: 0 0 14px;
  padding-left: 12px;
  border-left: 3px solid var(--gold);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.7;
  color: var(--teal-deep);
}

.page-faq .faq-steps {
  counter-reset: faqstep;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-faq .faq-steps li {
  counter-increment: faqstep;
  display: grid;
  grid-template-columns: 2.4em 1fr;
  gap: 8px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--faq-soft);
}

.page-faq .faq-steps li::before {
  content: counter(faqstep, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 2.1;
  color: var(--teal);
}

.page-faq .faq-item__more {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--faq-soft);
}

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

.page-faq .faq-item__more a:hover {
  text-decoration-color: var(--gold);
}

@keyframes faq-fade {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------- 联系前准备 ---------- */
.page-faq .faq-prep {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  padding-top: 22px;
}

.page-faq .faq-prep__list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-faq .faq-prep__list li {
  display: grid;
  grid-template-columns: 2.6em 1fr;
  gap: 10px;
  padding: 14px 0;
  border-bottom: 1px dashed var(--faq-line);
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink);
}

.page-faq .faq-prep__num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--gold);
  line-height: 1.9;
}

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

.page-faq .faq-prep__mail {
  font-family: var(--font-mono);
  font-size: 13.5px;
  color: var(--teal-deep);
  word-break: break-all;
  border-bottom: 1px solid var(--gold-soft);
}

.page-faq .faq-prep__media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--faq-line);
  background: var(--paper-2);
  align-self: start;
}

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

.page-faq .faq-prep__media .media__caption {
  padding: 12px 16px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--faq-soft);
  background: var(--paper-3);
  border-top: 1px solid var(--faq-line);
}

/* ---------- 兜底 ---------- */
.page-faq .faq-final__card {
  margin-top: 12px;
  padding: clamp(26px, 4vw, 48px);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(90% 120% at 100% 0%, rgba(15, 110, 127, 0.55), transparent 65%),
    var(--ink);
  color: var(--paper-3);
}

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

.page-faq .faq-final__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.4rem, 3.2vw, 2.2rem);
  line-height: 1.18;
  letter-spacing: -0.015em;
  max-width: 18em;
}

.page-faq .faq-final__text {
  margin: 0 0 22px;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(251, 252, 250, 0.78);
}

.page-faq .faq-final__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
}

.page-faq .faq-final__actions .btn--ghost {
  color: var(--paper-3);
  border-color: rgba(251, 252, 250, 0.34);
}

.page-faq .faq-final__meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: rgba(232, 201, 126, 0.86);
  word-break: break-all;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-prep {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: end;
  }

  .page-faq .faq-layout {
    grid-template-columns: 236px minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-aside {
    position: sticky;
    top: 92px;
  }

  .page-faq .faq-jump__inner {
    flex-wrap: wrap;
    overflow-x: visible;
  }
}

@media (max-width: 599px) {
  .page-faq .faq-item[open] .faq-item__summary {
    border-radius: var(--radius-md);
    padding-left: 12px;
    padding-right: 12px;
  }

  .page-faq .faq-steps li {
    grid-template-columns: 2em 1fr;
  }

  .page-faq .faq-prep__list li {
    grid-template-columns: 2.2em 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item__body {
    animation: none;
  }

  .page-faq .faq-jump__item,
  .page-faq .faq-aside__link,
  .page-faq .faq-item__summary {
    transition: none;
  }
}