.page-faq {
  --faq-card: rgba(15, 46, 36, 0.78);
  --faq-card-deep: rgba(7, 26, 20, 0.92);
  --faq-hair: rgba(244, 240, 230, 0.12);
  --faq-gridline: rgba(155, 176, 168, 0.16);
  display: block;
  padding-bottom: clamp(40px, 8vw, 88px);
  color: var(--paper);
  font-family: var(--font-body);
}

.page-faq a {
  color: var(--cyan);
  text-decoration: none;
}

.page-faq a:hover,
.page-faq a:focus-visible {
  text-decoration: underline;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(16px, 4vw, 36px) 0 clamp(20px, 4vw, 36px);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: -20% -10% auto auto;
  width: min(560px, 80vw);
  height: min(560px, 80vw);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(53, 242, 214, 0.14), transparent 68%);
  pointer-events: none;
}

.page-faq .faq-hero__grid {
  position: relative;
  display: grid;
  gap: clamp(22px, 4vw, 40px);
  align-items: start;
}

.page-faq .faq-hero__copy h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.9rem, 6.2vw, 3.5rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--paper);
}

.page-faq .faq-hero__copy .lede {
  margin: 16px 0 0;
  max-width: 58ch;
  font-size: clamp(0.98rem, 1.6vw, 1.08rem);
  line-height: 1.78;
  color: rgba(244, 240, 230, 0.82);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-faq .faq-hero__figure {
  margin: 0;
  padding: 12px;
  border-radius: var(--r-xl);
  border: 1px solid var(--line);
  background: linear-gradient(158deg, rgba(53, 242, 214, 0.1), var(--faq-card-deep) 58%);
  box-shadow: var(--shadow-card);
}

.page-faq .faq-hero__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--r-lg);
  object-fit: cover;
  aspect-ratio: 4 / 3;
}

.page-faq .faq-hero__caption {
  margin: 12px 4px 0;
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--mist);
}

.page-faq .faq-hero__legend {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  margin: 12px 4px 4px;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  color: rgba(244, 240, 230, 0.75);
}

.page-faq .faq-hero__legend li {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.page-faq .faq-hero__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.page-faq .faq-hero__dot--cyan { background: var(--cyan); }
.page-faq .faq-hero__dot--yellow { background: var(--yellow); }
.page-faq .faq-hero__dot--orange { background: var(--orange); }
.page-faq .faq-hero__dot--mist { background: var(--mist); }

/* ---------- 正文骨架 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  align-items: start;
  padding-top: clamp(14px, 3vw, 28px);
}

.page-faq .faq-index {
  border-radius: var(--r-lg);
  border: 1px solid var(--faq-hair);
  background: var(--faq-card);
  padding: 14px 16px;
}

.page-faq .faq-index__title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-faq .faq-index__list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  border-radius: var(--r-pill);
  border: 1px solid var(--faq-hair);
  font-size: 0.86rem;
  color: rgba(244, 240, 230, 0.86);
  transition: border-color 170ms ease, color 170ms ease, background 170ms ease;
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(53, 242, 214, 0.08);
  text-decoration: none;
}

.page-faq .faq-index__num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--cyan);
}

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

.page-faq .faq-section {
  padding: clamp(20px, 3vw, 34px) 0;
  border-top: 1px solid var(--faq-hair);
  scroll-margin-top: 96px;
}

.page-faq .faq-body__main > .faq-section:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-faq .faq-section .section-head__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.24rem, 3.4vw, 1.72rem);
  letter-spacing: -0.02em;
  line-height: 1.24;
  margin: 0;
  color: var(--paper);
}

.page-faq .faq-section .section-head__note {
  margin: 10px 0 0;
  max-width: 62ch;
  font-size: 0.94rem;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 四个排查方向 ---------- */
.page-faq .faq-triage {
  display: grid;
  gap: 12px;
  margin-top: 20px;
}

.page-faq .faq-triage__card {
  position: relative;
  overflow: hidden;
  padding: clamp(16px, 2vw, 22px);
  border-radius: var(--r-lg);
  border: 1px solid var(--faq-hair);
  background: linear-gradient(150deg, rgba(15, 46, 36, 0.96), var(--faq-card-deep));
  transition: border-color 190ms ease, transform 190ms ease;
}

.page-faq .faq-triage__card::after {
  content: "";
  position: absolute;
  right: -38px;
  bottom: -56px;
  width: 138px;
  height: 138px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(53, 242, 214, 0.16), transparent 70%);
  pointer-events: none;
}

.page-faq .faq-triage__card:hover {
  border-color: rgba(53, 242, 214, 0.42);
  transform: translateY(-2px);
}

.page-faq .faq-triage__icon {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  margin-bottom: 12px;
  border-radius: var(--r-sm);
  background: rgba(53, 242, 214, 0.12);
  color: var(--cyan);
}

.page-faq .faq-triage__icon svg {
  width: 22px;
  height: 22px;
}

.page-faq .faq-triage__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.06rem;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-triage__list {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
  display: grid;
  gap: 7px;
  font-size: 0.9rem;
  line-height: 1.65;
  color: rgba(244, 240, 230, 0.8);
}

.page-faq .faq-triage__list li {
  position: relative;
  padding-left: 15px;
}

.page-faq .faq-triage__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  border-radius: 2px;
  background: var(--teal);
}

.page-faq .faq-triage__tag {
  display: inline-block;
  margin-top: 14px;
}

/* ---------- 适配清单 ---------- */
.page-faq .faq-shot {
  margin: 20px 0 0;
  padding: 10px;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: linear-gradient(140deg, rgba(53, 242, 214, 0.08), var(--faq-card-deep));
}

.page-faq .faq-shot img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--r-md);
  object-fit: cover;
  aspect-ratio: 12 / 7;
}

.page-faq .faq-tabs {
  margin-top: 20px;
}

.page-faq .faq-tabs .tabs__list {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding-bottom: 8px;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-tabs .tabs__tab {
  flex: 0 0 auto;
  padding: 9px 16px;
  border-radius: var(--r-pill);
  border: 1px solid var(--faq-hair);
  background: transparent;
  color: var(--mist);
  font-family: var(--font-body);
  font-size: 0.88rem;
  line-height: 1.4;
  white-space: nowrap;
  cursor: pointer;
  transition: color 170ms ease, background 170ms ease, border-color 170ms ease;
}

.page-faq .faq-tabs .tabs__tab:hover {
  color: var(--paper);
  border-color: rgba(53, 242, 214, 0.4);
}

.page-faq .faq-tabs .tabs__tab[aria-selected="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink);
  font-weight: 600;
}

.page-faq .faq-tabs .tabs__tab:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

.page-faq .faq-tabs .tabs__panel {
  margin-top: 16px;
}

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

.page-faq .faq-steps__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 12px;
  align-items: start;
  padding: 12px 14px;
  border-radius: var(--r-md);
  border: 1px solid var(--faq-hair);
  background: rgba(15, 46, 36, 0.56);
  transition: border-color 160ms ease, background 160ms ease;
}

.page-faq .faq-steps__item:hover {
  border-color: rgba(155, 176, 168, 0.34);
}

.page-faq .faq-steps__item:has(.faq-steps__box:checked) {
  background: rgba(14, 124, 116, 0.2);
  border-color: rgba(53, 242, 214, 0.34);
}

.page-faq .faq-steps__box {
  appearance: none;
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  margin: 2px 0 0;
  border-radius: 6px;
  border: 1.5px solid rgba(53, 242, 214, 0.45);
  background-color: transparent;
  cursor: pointer;
  flex: 0 0 auto;
  transition: background-color 150ms ease, border-color 150ms ease;
}

.page-faq .faq-steps__box:checked {
  border-color: var(--cyan);
  background-color: var(--cyan);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='none' stroke='%23071A14' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round' d='M3 8.4l3.2 3.2L13 4.8'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 76%;
}

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

.page-faq .faq-steps__text {
  font-size: 0.92rem;
  line-height: 1.65;
  color: rgba(244, 240, 230, 0.88);
  cursor: pointer;
}

.page-faq .faq-steps__box:checked + .faq-steps__text {
  color: var(--mist);
}

.page-faq .faq-steps__tag {
  grid-column: 2;
  justify-self: start;
  margin-top: 2px;
}

/* ---------- 问答 ---------- */
.page-faq .faq-accordion {
  display: grid;
  gap: 10px;
  margin-top: 20px;
}

.page-faq .faq-accordion__item {
  border-radius: var(--r-lg);
  border: 1px solid var(--faq-hair);
  background: linear-gradient(160deg, rgba(15, 46, 36, 0.9), var(--faq-card-deep));
  overflow: hidden;
}

.page-faq .faq-accordion__item[open] {
  border-color: rgba(53, 242, 214, 0.4);
}

.page-faq .faq-accordion__q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 15px 18px;
  font-size: 0.96rem;
  font-weight: 600;
  line-height: 1.55;
  color: var(--paper);
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-accordion__q::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  line-height: 1;
  color: var(--cyan);
}

.page-faq .faq-accordion__item[open] .faq-accordion__q::after {
  content: "–";
}

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

.page-faq .faq-accordion__a {
  padding: 0 18px 16px;
  border-top: 1px dashed var(--faq-gridline);
  margin-top: 0;
}

.page-faq .faq-accordion__a p {
  margin: 14px 0 0;
  font-size: 0.92rem;
  line-height: 1.78;
  color: rgba(244, 240, 230, 0.8);
}

/* ---------- 联系前准备 ---------- */
.page-faq .faq-prep {
  display: grid;
  gap: 14px;
  margin-top: 20px;
}

.page-faq .faq-prep__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-prep__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 14px 16px;
  border-radius: var(--r-md);
  border-left: 3px solid var(--teal);
  background: rgba(15, 46, 36, 0.6);
}

.page-faq .faq-prep__num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--cyan);
  padding-top: 3px;
}

.page-faq .faq-prep__title {
  margin: 0;
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--paper);
}

.page-faq .faq-prep__item p {
  margin: 6px 0 0;
  font-size: 0.88rem;
  line-height: 1.7;
  color: rgba(244, 240, 230, 0.76);
}

.page-faq .faq-prep__note {
  padding: 18px;
  border-radius: var(--r-lg);
  border: 1px solid rgba(255, 138, 61, 0.38);
  background: linear-gradient(150deg, rgba(255, 138, 61, 0.14), rgba(15, 46, 36, 0.82));
}

.page-faq .faq-prep__note-title {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--orange);
}

.page-faq .faq-prep__note p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.72;
  color: rgba(244, 240, 230, 0.86);
}

.page-faq .faq-prep__note .btn {
  margin-top: 14px;
}

/* ---------- 服务时间 ---------- */
.page-faq .faq-contact {
  display: grid;
  gap: 1px;
  margin-top: 20px;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  overflow: hidden;
  background: var(--faq-gridline);
}

.page-faq .faq-contact__field {
  display: grid;
  gap: 4px;
  padding: 14px 16px;
  background: var(--faq-card-deep);
}

.page-faq .faq-contact__key {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-faq .faq-contact__val {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-faq .faq-contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 16px;
  background: rgba(15, 46, 36, 0.72);
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-faq .faq-steps__item {
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
  }

  .page-faq .faq-steps__tag {
    grid-column: auto;
    justify-self: end;
    margin-top: 0;
  }

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

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: clamp(28px, 4vw, 56px);
    align-items: center;
  }

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

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

  .page-faq .faq-prep {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-body {
    grid-template-columns: minmax(0, 216px) minmax(0, 1fr);
    gap: clamp(26px, 4vw, 58px);
  }

  .page-faq .faq-index {
    position: sticky;
    top: 92px;
    padding: 18px;
  }

  .page-faq .faq-index__list {
    flex-direction: column;
    gap: 2px;
  }

  .page-faq .faq-index__list a {
    width: 100%;
    border-color: transparent;
    border-radius: var(--r-sm);
    padding: 8px 10px;
  }

  .page-faq .faq-tab-grid,
  .page-faq .faq-accordion {
    gap: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-triage__card,
  .page-faq .faq-index__list a,
  .page-faq .faq-tabs .tabs__tab,
  .page-faq .faq-steps__box,
  .page-faq .faq-steps__item {
    transition: none;
  }

  .page-faq .faq-triage__card:hover {
    transform: none;
  }
}