.page-faq {
  --faq-line: rgba(127, 240, 226, 0.2);
  --faq-line-soft: rgba(127, 240, 226, 0.1);
  --faq-teal: #0b9c8d;
  --faq-teal-soft: rgba(11, 156, 141, 0.08);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  background: var(--deep);
  padding: calc(var(--header-h) + 48px) 0 48px;
  isolation: isolate;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(127, 240, 226, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(127, 240, 226, 0.06) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
  z-index: 0;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -14%;
  top: -10%;
  width: 58%;
  height: 150%;
  background: linear-gradient(152deg, var(--indigo) 8%, rgba(20, 224, 200, 0.16) 52%, transparent 78%);
  clip-path: polygon(18% 0, 100% 0, 82% 100%, 0 100%);
  opacity: 0.5;
  pointer-events: none;
  z-index: 0;
}

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

.page-faq .faq-hero .breadcrumb {
  color: var(--mist);
  font-size: 12px;
  letter-spacing: 0.1em;
}

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

.page-faq .faq-hero .breadcrumb a:hover {
  color: var(--cyan);
}

.page-faq .faq-hero .eyebrow {
  margin: 26px 0 0;
  color: var(--cyan);
}

.page-faq .faq-hero__title {
  margin: 16px 0 22px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 8vw, 76px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-faq .faq-hero__lede {
  margin: 0;
  max-width: 46ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-hero__stats {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 20px 44px;
  margin: 36px 0 0;
  padding: 22px 0 0;
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-stat__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(20px, 3vw, 28px);
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-faq .faq-stat__label {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--mist);
}

/* ---------- 分类标签带 ---------- */

.page-faq .faq-index {
  background: var(--navy);
  border-top: 1px solid var(--faq-line);
  border-bottom: 1px solid var(--faq-line);
}

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

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

.page-faq .faq-chip {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 9px 18px;
  border: 1px solid var(--faq-line);
  background: rgba(6, 26, 51, 0.4);
  color: var(--mist);
  font-size: 14px;
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.page-faq .faq-chip__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-faq .faq-chip:hover,
.page-faq .faq-chip:focus-visible {
  border-color: var(--cyan);
  background: rgba(20, 224, 200, 0.1);
  color: var(--paper);
  outline: none;
}

.page-faq .faq-chip:focus-visible {
  box-shadow: 0 0 0 2px var(--cyan);
}

/* ---------- 主体布局 ---------- */

.page-faq .faq-body {
  background: var(--paper);
  color: var(--deep);
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
  padding-top: 48px;
  padding-bottom: 64px;
}

.page-faq .faq-group {
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-faq .faq-group + .faq-group {
  margin-top: 56px;
}

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--grid);
}

.page-faq .faq-group__no {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--orange);
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 3.2vw, 32px);
  letter-spacing: -0.01em;
  color: var(--deep);
}

.page-faq .faq-group__note {
  margin: 16px 0 4px;
  max-width: 54ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--graphite);
}

/* ---------- 配图 ---------- */

.page-faq .faq-figure {
  margin: 22px 0 6px;
}

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

.page-faq .faq-figure .figure__caption {
  margin-top: 8px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--graphite);
}

.page-faq .faq-figure--tall {
  max-width: 260px;
}

/* ---------- 折叠问答 ---------- */

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

.page-faq .faq-item__q {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 44px 18px 18px;
  border-left: 2px solid transparent;
  cursor: pointer;
  list-style: none;
  transition: border-color 0.25s ease, background 0.25s ease;
}

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

.page-faq .faq-item__q::after {
  content: "+";
  position: absolute;
  right: 16px;
  top: 17px;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--faq-teal);
  transition: color 0.2s ease;
}

.page-faq .faq-item__q:hover {
  background: rgba(199, 211, 222, 0.22);
}

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

.page-faq .faq-item[open] > .faq-item__q {
  border-left-color: var(--cyan);
  background: var(--faq-teal-soft);
}

.page-faq .faq-item[open] > .faq-item__q::after {
  content: "−";
  color: var(--orange);
}

.page-faq .faq-item__no {
  flex: 0 0 auto;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--orange);
}

.page-faq .faq-item__text {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--deep);
}

.page-faq .faq-item__a {
  padding: 2px 44px 22px 20px;
  border-left: 2px solid var(--cyan);
  background: var(--faq-teal-soft);
}

.page-faq .faq-item__a p {
  margin: 0 0 10px;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--graphite);
}

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

/* 步骤 */

.page-faq .faq-steps {
  list-style: none;
  counter-reset: faq-step;
  margin: 12px 0 0;
  padding: 0;
}

.page-faq .faq-step {
  position: relative;
  counter-increment: faq-step;
  padding-left: 34px;
  margin-bottom: 9px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--graphite);
}

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

.page-faq .faq-step::before {
  content: counter(faq-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--faq-teal);
}

/* 要点 */

.page-faq .faq-points {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
}

.page-faq .faq-points li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 8px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--graphite);
}

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

.page-faq .faq-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  background: var(--faq-teal);
}

/* 自检清单 */

.page-faq .faq-check-list {
  list-style: none;
  margin: 14px 0 0;
  padding: 14px 0 0;
  border-top: 1px dashed var(--grid);
}

.page-faq .faq-check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 7px 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--graphite);
  cursor: pointer;
}

.page-faq .faq-check input {
  -webkit-appearance: none;
  appearance: none;
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  margin: 5px 0 0;
  border: 1px solid var(--grid);
  background: #ffffff;
  position: relative;
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.page-faq .faq-check input:checked {
  border-color: var(--faq-teal);
  background: var(--faq-teal);
}

.page-faq .faq-check input:checked::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 1px;
  width: 5px;
  height: 9px;
  border: solid #ffffff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.page-faq .faq-check input:focus-visible {
  outline: 2px solid var(--faq-teal);
  outline-offset: 2px;
}

/* ---------- 旁注 ---------- */

.page-faq .faq-aside {
  border-top: 1px solid var(--grid);
  padding-top: 24px;
}

.page-faq .faq-aside__title {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--graphite);
  text-transform: uppercase;
}

.page-faq .faq-aside__title + .faq-aside__list {
  margin-bottom: 28px;
}

.page-faq .faq-aside__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-aside__list li {
  margin-bottom: 10px;
  font-size: 13px;
  line-height: 1.7;
}

.page-faq .faq-aside__list a {
  color: var(--deep);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-faq .faq-aside__list a:hover,
.page-faq .faq-aside__list a:focus-visible {
  color: var(--faq-teal);
  border-bottom-color: var(--faq-teal);
  outline: none;
}

.page-faq .faq-aside__list--dot li {
  position: relative;
  padding-left: 16px;
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-faq .faq-aside__list--dot li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--cyan);
}

/* ---------- 联系兜底 ---------- */

.page-faq .faq-help {
  background: var(--deep);
  border-top: 1px solid var(--faq-line);
  padding: 56px 0 64px;
  color: var(--paper);
}

.page-faq .faq-help .eyebrow {
  margin: 0;
  color: var(--cyan);
}

.page-faq .faq-help__title {
  margin: 16px 0 18px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 4vw, 40px);
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-help__lede {
  margin: 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .faq-help__hours {
  margin: 18px 0 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--sand);
}

.page-faq .faq-help__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
}

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

.page-faq .faq-help__item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 0;
  border-bottom: 1px solid var(--faq-line-soft);
}

.page-faq .faq-help__key {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-faq .faq-help__val {
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.7vw, 18px);
  letter-spacing: 0.04em;
  color: var(--paper);
  word-break: break-word;
}

.page-faq .faq-help__desc {
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-faq .faq-hero {
    padding: calc(var(--header-h) + 84px) 0 64px;
  }

  .page-faq .faq-layout {
    padding-top: 64px;
    padding-bottom: 80px;
  }

  .page-faq .faq-help {
    padding: 72px 0 80px;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-layout {
    grid-template-columns: minmax(0, 1fr) 264px;
    gap: 56px;
    align-items: start;
  }

  .page-faq .faq-aside {
    border-top: none;
    border-left: 1px solid var(--grid);
    padding-top: 0;
    padding-left: 28px;
  }

  .page-faq .faq-aside__sticky {
    position: sticky;
    top: calc(var(--header-h) + 32px);
  }

  .page-faq .faq-help__grid {
    grid-template-columns: 1.05fr 1fr;
    gap: 64px;
    align-items: start;
  }

  .page-faq .faq-hero__title {
    max-width: 18ch;
  }
}

@media (min-width: 1280px) {
  .page-faq .faq-item__q {
    padding-right: 52px;
  }

  .page-faq .faq-item__a {
    padding-right: 52px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index__rail {
    scroll-behavior: auto;
  }

  .page-faq .faq-item__q,
  .page-faq .faq-chip,
  .page-faq .faq-aside__list a {
    transition: none;
  }
}