.page-faq {
  --faq-card: rgba(22, 34, 77, 0.62);
  --faq-card-strong: rgba(22, 34, 77, 0.94);
  --faq-rule: rgba(169, 139, 245, 0.26);
  --faq-rule-soft: rgba(169, 139, 245, 0.16);
  --faq-paper-link: #4B2A96;
  background-color: var(--ink-deep);
  color: var(--frost);
  font-family: var(--font-sans);
  padding-bottom: clamp(20px, 3vw, 32px);
}

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumbs {
  padding-top: 18px;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--muted);
}
.page-faq .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-faq .breadcrumbs li + li::before {
  content: "/";
  margin-right: 6px;
  color: rgba(138, 147, 173, 0.7);
}
.page-faq .breadcrumbs a {
  color: var(--frost);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: color 0.22s var(--ease), border-color 0.22s var(--ease);
}
.page-faq .breadcrumbs a:hover,
.page-faq .breadcrumbs a:focus-visible {
  color: var(--volt);
  border-color: var(--volt);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(18px, 3vw, 36px) 0 clamp(26px, 4vw, 48px);
  background-image:
    radial-gradient(92% 130% at 88% -12%, rgba(109, 63, 196, 0.5) 0%, rgba(109, 63, 196, 0) 62%),
    radial-gradient(70% 100% at 2% 110%, rgba(42, 212, 224, 0.16) 0%, rgba(42, 212, 224, 0) 60%);
}
.page-faq .faq-hero__inner {
  display: grid;
  gap: clamp(16px, 2.4vw, 24px);
}
.page-faq .faq-hero .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--nebula-soft);
}
.page-faq .faq-hero h1 {
  margin: 0;
  max-width: 22ch;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(1.95rem, 5.4vw, 3.7rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: #fff;
}
.page-faq .faq-hero__lede {
  margin: 0;
  max-width: 64ch;
  font-size: clamp(0.96rem, 1.3vw, 1.08rem);
  line-height: 1.82;
  color: rgba(232, 238, 249, 0.82);
}
.page-faq .faq-hero__figure {
  position: relative;
  margin: clamp(8px, 1.6vw, 18px) 0 0;
  border: 1px solid var(--faq-rule);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-module);
}
.page-faq .faq-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}
.page-faq .faq-hero__figure figcaption {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  padding: 34px 18px 12px;
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  color: rgba(232, 238, 249, 0.76);
  background: linear-gradient(to top, rgba(10, 19, 48, 0.94), rgba(10, 19, 48, 0));
}

/* ---------- 分组快捷导航 ---------- */
.page-faq .faq-jump {
  margin-bottom: clamp(28px, 4.2vw, 52px);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  background: rgba(22, 34, 77, 0.42);
}
.page-faq .faq-jump__inner {
  display: flex;
  gap: 10px;
  padding-top: 12px;
  padding-bottom: 12px;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.page-faq .faq-jump__inner::-webkit-scrollbar {
  display: none;
}
.page-faq .faq-jump__link {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--faq-rule);
  border-radius: 999px;
  font-size: 0.84rem;
  white-space: nowrap;
  color: var(--frost);
  text-decoration: none;
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease), background-color 0.25s var(--ease);
}
.page-faq .faq-jump__link:hover,
.page-faq .faq-jump__link:focus-visible {
  border-color: var(--volt);
  color: var(--volt);
  background-color: rgba(42, 212, 224, 0.09);
}
.page-faq .faq-jump__num {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: var(--flame);
}

/* ---------- 两栏布局 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 44px);
  align-items: start;
}

/* ---------- 问答分组 ---------- */
.page-faq .faq-group {
  scroll-margin-top: 96px;
}
.page-faq .faq-group + .faq-group {
  margin-top: clamp(38px, 5vw, 64px);
}
.page-faq .faq-group__head {
  display: grid;
  gap: 10px;
  margin-bottom: 18px;
  padding-left: 16px;
  border-left: 3px solid var(--nebula);
}
.page-faq .faq-group__tag {
  width: fit-content;
  padding: 4px 9px;
  border: 1px solid var(--faq-rule);
  border-radius: 4px;
  background-color: rgba(109, 63, 196, 0.16);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  color: var(--nebula-soft);
}
.page-faq .faq-group__title {
  margin: 0;
  font-size: clamp(1.35rem, 2.6vw, 1.95rem);
  font-weight: 800;
  line-height: 1.24;
  letter-spacing: -0.015em;
  color: #fff;
}
.page-faq .faq-group__note {
  margin: 0;
  max-width: 58ch;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 折叠条目 ---------- */
.page-faq .faq-item {
  border: 1px solid var(--faq-rule);
  border-radius: var(--radius-sm);
  background-color: var(--faq-card);
  scroll-margin-top: 110px;
  transition: border-color 0.26s var(--ease), background-color 0.26s var(--ease), box-shadow 0.26s var(--ease);
}
.page-faq .faq-item + .faq-item {
  margin-top: 10px;
}
.page-faq .faq-item:hover {
  border-color: rgba(169, 139, 245, 0.5);
}
.page-faq .faq-item[open] {
  border-color: var(--volt);
  background-color: var(--faq-card-strong);
  box-shadow: var(--shadow-card);
}
.page-faq .faq-item__q {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
}
.page-faq .faq-item__q::-webkit-details-marker {
  display: none;
}
.page-faq .faq-item__q:focus-visible {
  outline: 2px solid var(--volt);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}
.page-faq .faq-item__index {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--flame);
}
.page-faq .faq-item__text {
  font-size: 0.99rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--frost);
  transition: color 0.24s var(--ease);
}
.page-faq .faq-item[open] .faq-item__text {
  color: #fff;
}
.page-faq .faq-item__icon {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border: 1px solid var(--faq-rule);
  border-radius: 50%;
  color: var(--volt);
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease), background-color 0.3s var(--ease);
}
.page-faq .faq-item__icon svg {
  display: block;
  width: 11px;
  height: 11px;
}
.page-faq .faq-item[open] .faq-item__icon {
  transform: rotate(45deg);
  border-color: var(--volt);
  background-color: rgba(42, 212, 224, 0.14);
}

/* ---------- 暖纸答卷 ---------- */
.page-faq .disclosure__panel {
  padding: 16px 18px 20px;
  border-top: 1px solid var(--line-paper);
  background-color: var(--paper);
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: 0.96rem;
  line-height: 1.8;
}
.page-faq .disclosure__panel::before {
  content: "";
  display: block;
  width: 34px;
  height: 2px;
  margin-bottom: 12px;
  background-color: var(--flame);
}
.page-faq .disclosure__panel p {
  margin: 0;
  max-width: 68ch;
}
.page-faq .disclosure__panel p + p {
  margin-top: 10px;
}
.page-faq .disclosure__panel a {
  color: var(--faq-paper-link);
  text-decoration: underline;
  text-decoration-color: rgba(109, 63, 196, 0.45);
  text-underline-offset: 3px;
}
.page-faq .disclosure__panel a:hover {
  text-decoration-color: var(--nebula);
}

/* ---------- 右侧窄栏 ---------- */
.page-faq .faq-side {
  display: grid;
  gap: 16px;
}
.page-faq .quick-card {
  position: relative;
  overflow: hidden;
  padding: 20px 18px 16px;
  border: 1px solid var(--faq-rule);
  border-radius: var(--radius);
  background-image: linear-gradient(155deg, rgba(109, 63, 196, 0.34) 0%, rgba(22, 34, 77, 0.88) 58%);
  background-color: var(--ink-module);
}
.page-faq .quick-card::after {
  content: "";
  position: absolute;
  top: -46px;
  right: -46px;
  width: 148px;
  height: 148px;
  border: 1px solid rgba(169, 139, 245, 0.3);
  border-radius: 50%;
  pointer-events: none;
}
.page-faq .quick-card__title {
  margin: 0 0 12px;
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: #fff;
}
.page-faq .quick-list {
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-faq .quick-list__link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  padding: 11px 0;
  border-bottom: 1px dashed var(--faq-rule-soft);
  font-size: 0.9rem;
  line-height: 1.58;
  color: var(--frost);
  text-decoration: none;
  transition: color 0.22s var(--ease);
}
.page-faq .quick-list li:last-child .quick-list__link {
  padding-bottom: 2px;
  border-bottom: 0;
}
.page-faq .quick-list__link:hover,
.page-faq .quick-list__link:focus-visible {
  color: var(--volt);
}
.page-faq .quick-list__mark {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  color: var(--flame);
}
.page-faq .quick-stat {
  padding: 18px;
  border: 1px solid var(--faq-rule-soft);
  border-radius: var(--radius);
  background-color: rgba(10, 19, 48, 0.72);
}
.page-faq .quick-stat__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  color: var(--muted);
}
.page-faq .quick-stat__list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-faq .quick-stat__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  line-height: 1.1;
  letter-spacing: 0.02em;
  color: var(--volt);
}
.page-faq .quick-stat__unit {
  display: block;
  margin-top: 2px;
  font-size: 0.8rem;
  color: var(--muted);
}

/* ---------- 联系引导 ---------- */
.page-faq .faq-help {
  margin-top: clamp(46px, 6.5vw, 88px);
  padding: clamp(32px, 5vw, 60px) 0;
  border-top: 1px solid var(--line-soft);
  background-color: var(--ink);
  background-image:
    radial-gradient(78% 120% at 8% 0%, rgba(109, 63, 196, 0.36) 0%, rgba(109, 63, 196, 0) 60%),
    radial-gradient(66% 100% at 94% 100%, rgba(255, 122, 41, 0.14) 0%, rgba(255, 122, 41, 0) 62%);
}
.page-faq .faq-help__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 44px);
  align-items: center;
}
.page-faq .faq-help__figure {
  margin: 0;
  border: 1px solid var(--faq-rule);
  border-radius: var(--radius);
  overflow: hidden;
  background-color: var(--ink-module);
}
.page-faq .faq-help__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}
.page-faq .faq-help__body {
  display: grid;
  gap: 14px;
}
.page-faq .faq-help__body .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--nebula-soft);
}
.page-faq .faq-help__body h2 {
  margin: 0;
  font-size: clamp(1.45rem, 2.8vw, 2.1rem);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -0.015em;
  color: #fff;
}
.page-faq .faq-help__body p {
  margin: 0;
  max-width: 56ch;
  font-size: 0.96rem;
  line-height: 1.8;
  color: rgba(232, 238, 249, 0.82);
}
.page-faq .faq-methods {
  display: grid;
  gap: 10px;
  margin-top: 4px;
}
.page-faq .faq-method {
  display: grid;
  gap: 6px;
  padding: 14px 16px;
  border: 1px solid var(--faq-rule);
  border-radius: var(--radius-sm);
  background-color: rgba(22, 34, 77, 0.72);
}
.page-faq .faq-method__label {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  color: var(--muted);
}
.page-faq .faq-method__value {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  line-height: 1.5;
  color: var(--volt);
  word-break: break-all;
}
.page-faq .faq-method__value--tel {
  color: var(--flame);
}
.page-faq .faq-method__note {
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--muted);
}
.page-faq .faq-copy {
  justify-self: start;
  margin-top: 2px;
  padding: 6px 13px;
  border: 1px solid var(--faq-rule);
  border-radius: 999px;
  background-color: transparent;
  font-family: var(--font-sans);
  font-size: 0.76rem;
  color: var(--frost);
  cursor: pointer;
  transition: border-color 0.22s var(--ease), color 0.22s var(--ease);
}
.page-faq .faq-copy:hover {
  border-color: var(--volt);
  color: var(--volt);
}
.page-faq .faq-copy:focus-visible {
  outline: 2px solid var(--volt);
  outline-offset: 2px;
}
.page-faq .faq-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 6px;
}

/* ---------- 窄屏适配 ---------- */
@media (max-width: 719px) {
  .page-faq .faq-item__q {
    gap: 10px;
    padding: 14px 13px;
  }
  .page-faq .faq-item__text {
    font-size: 0.95rem;
  }
  .page-faq .disclosure__panel {
    padding: 14px 14px 18px;
    font-size: 0.93rem;
  }
  .page-faq .faq-group__head {
    padding-left: 12px;
  }
}

@media (min-width: 640px) {
  .page-faq .faq-methods {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-faq .quick-stat__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-help__grid {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1fr);
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-layout {
    grid-template-columns: minmax(0, 1fr) 296px;
    gap: clamp(32px, 3.4vw, 48px);
  }
  .page-faq .faq-side {
    position: sticky;
    top: 96px;
  }
  .page-faq .quick-stat__list {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (min-width: 1280px) {
  .page-faq .faq-hero h1 {
    max-width: 24ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-item__icon,
  .page-faq .faq-jump__link,
  .page-faq .quick-list__link,
  .page-faq .faq-copy {
    transition: none;
  }
  .page-faq .faq-item[open] .faq-item__icon {
    transform: none;
  }
}