/* ============ 帮助与排查 / FAQ 页面专属样式 ============ */
.page-faq {
  --faq-shade: #0C627C;
  --faq-prayer-bg: #FDF4E1;
  --faq-edge: clamp(20px, 4vw, 48px);
}

.page-faq section[id],
.page-faq header[id] {
  scroll-margin-top: calc(var(--qf-header-h) + 28px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--qf-header-h) + 32px) 0 clamp(64px, 8vw, 104px);
  color: var(--qf-snow);
  background:
    radial-gradient(88% 68% at 88% 4%, rgba(111, 195, 216, 0.38), rgba(111, 195, 216, 0) 62%),
    radial-gradient(64% 56% at 4% 94%, rgba(242, 178, 51, 0.22), rgba(242, 178, 51, 0) 60%),
    linear-gradient(180deg, var(--qf-lake-deep) 0%, var(--faq-shade) 58%, var(--qf-lake) 100%);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(115deg, rgba(251, 253, 254, 0.06) 0 1px, transparent 1px 28px);
}

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

.page-faq .faq-hero__crumb {
  margin-bottom: clamp(28px, 4vw, 48px);
}

.page-faq .faq-hero .qf-breadcrumb__link,
.page-faq .faq-hero .qf-breadcrumb__sep,
.page-faq .faq-hero .qf-breadcrumb__current {
  color: rgba(251, 253, 254, 0.76);
}

.page-faq .faq-hero .qf-breadcrumb__link:hover {
  color: var(--qf-snow);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-faq .faq-hero__eyebrow {
  color: var(--qf-prayer);
  letter-spacing: 0.14em;
}

.page-faq .faq-hero__title {
  margin: 14px 0 22px;
  color: var(--qf-snow);
  max-width: 18ch;
}

.page-faq .faq-hero__lede {
  max-width: 46ch;
  color: rgba(251, 253, 254, 0.88);
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.8;
  margin: 0;
}

.page-faq .faq-hero__actions {
  margin-top: 30px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-faq .faq-hero .qf-btn--ghost {
  color: var(--qf-snow);
  border-color: rgba(251, 253, 254, 0.5);
}

.page-faq .faq-hero .qf-btn--ghost:hover {
  background: rgba(251, 253, 254, 0.14);
  border-color: var(--qf-snow);
}

.page-faq .faq-hero__cols {
  display: grid;
  gap: 40px;
}

.page-faq .faq-hero__stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .faq-hero__stats li {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 18px 22px;
  border-radius: var(--qf-radius-md);
  background: rgba(251, 253, 254, 0.12);
  border: 1px solid rgba(251, 253, 254, 0.24);
  backdrop-filter: blur(6px);
}

.page-faq .faq-hero__num {
  font-size: clamp(32px, 5vw, 46px);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.04em;
  font-variant-numeric: tabular-nums;
  color: var(--qf-snow);
  flex: none;
}

.page-faq .faq-hero__unit {
  font-size: 14px;
  line-height: 1.6;
  color: rgba(251, 253, 254, 0.84);
}

/* ---------- 四步动线 ---------- */
.page-faq .faq-flow {
  padding: clamp(56px, 8vw, 96px) 0 clamp(64px, 9vw, 112px);
  background: var(--qf-snow);
}

.page-faq .faq-flow__head {
  max-width: 46rem;
  margin-bottom: clamp(32px, 5vw, 52px);
}

.page-faq .faq-flow__kicker {
  display: block;
  font-size: clamp(48px, 7vw, 76px);
  font-weight: 900;
  line-height: 0.9;
  letter-spacing: -0.05em;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--qf-lake-light);
  font-variant-numeric: tabular-nums;
  margin-bottom: 12px;
}

@supports not (-webkit-text-stroke: 1px black) {
  .page-faq .faq-flow__kicker {
    color: var(--qf-lake-light);
  }
}

.page-faq .faq-flow__title {
  margin: 0 0 14px;
  color: var(--qf-lake-deep);
}

.page-faq .faq-flow__note {
  margin: 0;
  color: var(--qf-stone);
  max-width: 40rem;
}

.page-faq .faq-flow__track {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
  display: grid;
  gap: 14px;
}

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

.page-faq .faq-flow__link {
  display: grid;
  gap: 8px;
  padding: 24px 22px 26px;
  border-radius: var(--qf-radius-md);
  background: var(--qf-snow);
  border: 1px solid var(--qf-line);
  color: var(--qf-ink);
  text-decoration: none;
  transition: transform 220ms ease-out, box-shadow 220ms ease-out, border-color 220ms ease-out;
}

.page-faq .faq-flow__link:hover,
.page-faq .faq-flow__link:focus-visible {
  transform: translateY(-6px);
  box-shadow: var(--qf-shadow-2);
  border-color: var(--qf-lake-light);
}

.page-faq .faq-flow__idx {
  display: block;
  font-size: clamp(36px, 5.4vw, 52px);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.05em;
  font-variant-numeric: tabular-nums;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--qf-lake);
}

@supports not (-webkit-text-stroke: 1px black) {
  .page-faq .faq-flow__idx {
    color: var(--qf-lake);
  }
}

.page-faq .faq-flow__name {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--qf-lake-deep);
}

.page-faq .faq-flow__desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--qf-stone);
}

.page-faq .faq-flow__go {
  margin-top: 6px;
  font-size: 13px;
  font-weight: 700;
  color: var(--qf-lake);
}

.page-faq .faq-flow__step--last .faq-flow__link {
  background: linear-gradient(170deg, var(--qf-prayer-soft) 0%, var(--qf-snow) 100%);
  border-color: rgba(242, 178, 51, 0.55);
}

.page-faq .faq-flow__step--last .faq-flow__idx {
  -webkit-text-stroke-color: var(--qf-sunset);
}

@supports not (-webkit-text-stroke: 1px black) {
  .page-faq .faq-flow__step--last .faq-flow__idx {
    color: var(--qf-sunset);
  }
}

.page-faq .faq-flow__step--last .faq-flow__go {
  color: var(--qf-sunset);
}

.page-faq .faq-flow__figure {
  margin: clamp(36px, 5vw, 60px) 0 0;
  border-radius: var(--qf-radius-lg);
  overflow: hidden;
}

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

/* ---------- 分组通用 ---------- */
.page-faq .faq-group {
  padding: clamp(56px, 8vw, 96px) 0;
}

.page-faq .faq-group--snow {
  background: var(--qf-snow);
}

.page-faq .faq-group--mist {
  background: var(--qf-mist);
}

.page-faq .faq-group--prayer {
  background: linear-gradient(180deg, var(--qf-prayer-soft) 0%, var(--faq-prayer-bg) 58%, var(--qf-snow) 100%);
}

.page-faq .faq-group__head {
  max-width: 48rem;
  margin-bottom: clamp(28px, 4vw, 44px);
}

.page-faq .faq-group__num {
  display: block;
  font-size: clamp(40px, 6vw, 64px);
  font-weight: 900;
  line-height: 0.95;
  letter-spacing: -0.05em;
  font-variant-numeric: tabular-nums;
  color: var(--qf-lake);
  opacity: 0.32;
  margin-bottom: 6px;
}

.page-faq .faq-group__badge {
  display: inline-block;
  margin: 0 0 12px;
  padding: 6px 14px;
  border-radius: var(--qf-radius-pill);
  background: var(--qf-snow);
  border: 1px solid var(--qf-line);
  color: var(--qf-lake-deep);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.page-faq .faq-group--mist .faq-group__badge {
  background: rgba(251, 253, 254, 0.86);
}

.page-faq .faq-group__badge--prayer {
  background: var(--qf-prayer);
  border-color: var(--qf-prayer);
  color: var(--qf-ink);
}

.page-faq .faq-group__head h2 {
  margin: 0 0 14px;
  color: var(--qf-lake-deep);
}

.page-faq .faq-group__note {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--qf-stone);
}

.page-faq .faq-group__body {
  display: grid;
  gap: 40px;
}

.page-faq .faq-group__figure {
  margin: 0;
  border-radius: var(--qf-radius-lg);
  overflow: hidden;
}

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

/* ---------- 折叠问答 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: 12px;
  min-width: 0;
}

.page-faq .faq-item {
  border-radius: var(--qf-radius-md);
  background: var(--qf-snow);
  border: 1px solid var(--qf-line);
  overflow: hidden;
  transition: border-color 200ms ease-out, box-shadow 200ms ease-out;
}

.page-faq .faq-group--snow .faq-item {
  border-color: var(--qf-line);
}

.page-faq .faq-item[open] {
  border-color: var(--qf-lake-light);
  box-shadow: var(--qf-shadow-1);
}

.page-faq .faq-item--prayer {
  border-color: rgba(242, 178, 51, 0.45);
}

.page-faq .faq-item--prayer[open] {
  border-color: var(--qf-sunset);
}

.page-faq .faq-item__q {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px 22px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--qf-ink);
  transition: color 200ms ease-out, background-color 200ms ease-out;
}

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

.page-faq .faq-item__q::after {
  content: "+";
  flex: none;
  margin-left: auto;
  width: 28px;
  height: 28px;
  border-radius: var(--qf-radius-pill);
  border: 1.5px solid var(--qf-lake-light);
  color: var(--qf-lake);
  font-size: 18px;
  font-weight: 700;
  line-height: 1;
  display: grid;
  place-items: center;
  transition: transform 220ms ease-out, background-color 220ms ease-out, color 220ms ease-out;
}

.page-faq .faq-item[open] .faq-item__q::after {
  content: "−";
  background: var(--qf-lake);
  border-color: var(--qf-lake);
  color: var(--qf-snow);
}

.page-faq .faq-item--prayer[open] .faq-item__q::after {
  background: var(--qf-sunset);
  border-color: var(--qf-sunset);
}

.page-faq .faq-item__q:hover {
  color: var(--qf-lake-deep);
  background: rgba(220, 238, 244, 0.4);
}

.page-faq .faq-item--prayer .faq-item__q:hover {
  background: rgba(242, 178, 51, 0.12);
}

.page-faq .faq-item__a {
  padding: 0 22px 22px;
}

.page-faq .faq-item[open] .faq-item__a {
  animation: faqSlide 280ms ease-out;
}

@keyframes faqSlide {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.page-faq .faq-item__a p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--qf-stone);
}

.page-faq .faq-item__a p + .faq-steps {
  margin-top: 14px;
}

.page-faq .faq-steps {
  counter-reset: faqstep;
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-steps > li {
  counter-increment: faqstep;
  position: relative;
  padding-left: 42px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--qf-ink);
}

.page-faq .faq-steps > li::before {
  content: counter(faqstep);
  position: absolute;
  left: 0;
  top: 0;
  width: 28px;
  height: 28px;
  border-radius: var(--qf-radius-pill);
  background: var(--qf-prayer);
  color: var(--qf-ink);
  font-size: 13px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  display: grid;
  place-items: center;
}

/* ---------- 反馈通道 ---------- */
.page-faq .faq-help {
  padding: clamp(60px, 8vw, 104px) 0;
  background: var(--qf-lake-deep);
  color: var(--qf-snow);
}

.page-faq .faq-help__inner {
  display: grid;
  gap: 40px;
}

.page-faq .faq-help__title {
  margin: 0 0 16px;
  color: var(--qf-snow);
}

.page-faq .faq-help__lede {
  margin: 0;
  max-width: 44ch;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(251, 253, 254, 0.84);
}

.page-faq .faq-help__facts {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-help__facts li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(251, 253, 254, 0.9);
}

.page-faq .faq-help__facts li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  border-radius: var(--qf-radius-pill);
  background: var(--qf-prayer);
}

.page-faq .faq-help__panel {
  padding: clamp(24px, 3vw, 32px);
  border-radius: var(--qf-radius-lg);
  background: rgba(251, 253, 254, 0.08);
  border: 1px solid rgba(251, 253, 254, 0.22);
}

.page-faq .faq-help__label {
  margin: 0 0 8px;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--qf-lake-light);
}

.page-faq .faq-help__label:not(:first-child) {
  margin-top: 24px;
}

.page-faq .faq-help__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.page-faq .faq-help__value {
  font-size: clamp(15px, 1.6vw, 17px);
  font-weight: 700;
  color: var(--qf-snow);
  word-break: break-all;
}

.page-faq .faq-help__value--num {
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
  word-break: normal;
}

.page-faq .faq-copy {
  appearance: none;
  cursor: pointer;
  padding: 8px 18px;
  border-radius: var(--qf-radius-pill);
  border: 1px solid rgba(251, 253, 254, 0.5);
  background: transparent;
  color: var(--qf-snow);
  font-family: inherit;
  font-size: 13px;
  font-weight: 700;
  transition: background-color 200ms ease-out, border-color 200ms ease-out, color 200ms ease-out;
}

.page-faq .faq-copy:hover,
.page-faq .faq-copy:focus-visible {
  background: var(--qf-lake);
  border-color: var(--qf-lake);
}

.page-faq .faq-copy[data-copied="true"] {
  background: var(--qf-sunset);
  border-color: var(--qf-sunset);
  color: var(--qf-snow);
}

.page-faq .faq-help__hint {
  margin: 26px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(251, 253, 254, 0.76);
}

.page-faq .faq-help__more {
  margin: 18px 0 0;
}

.page-faq .faq-help__link {
  display: inline-block;
  color: var(--qf-prayer);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  border-bottom: 2px solid rgba(242, 178, 51, 0.5);
  padding-bottom: 2px;
  transition: border-color 200ms ease-out, color 200ms ease-out;
}

.page-faq .faq-help__link:hover,
.page-faq .faq-help__link:focus-visible {
  color: var(--qf-snow);
  border-color: var(--qf-snow);
}

/* ---------- 焦点可见性 ---------- */
.page-faq a:focus-visible,
.page-faq button:focus-visible,
.page-faq summary:focus-visible {
  outline: 2px solid var(--qf-sunset);
  outline-offset: 3px;
  border-radius: var(--qf-radius-sm);
}

/* ============ 断点 ============ */
@media (min-width: 560px) {
  .page-faq .faq-hero__actions {
    gap: 14px;
  }

  .page-faq .faq-help__panel {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (min-width: 768px) {
  .page-faq .faq-flow__track {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

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

  .page-faq .faq-help__inner {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__cols {
    grid-template-columns: 11fr 9fr;
    gap: 56px;
    align-items: center;
  }

  .page-faq .faq-flow__track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 24px;
  }

  .page-faq .faq-flow__track::before {
    content: "";
    position: absolute;
    top: 46px;
    left: 4%;
    right: 4%;
    height: 2px;
    border-radius: var(--qf-radius-pill);
    background: repeating-linear-gradient(90deg, var(--qf-lake-light) 0 14px, transparent 14px 26px);
  }

  .page-faq .faq-flow__step {
    position: relative;
  }

  .page-faq .faq-flow__link {
    height: 100%;
    align-content: start;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-group__body {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

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

@media (min-width: 1280px) {
  .page-faq .faq-flow__figure img {
    max-height: 460px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-flow__link,
  .page-faq .faq-item,
  .page-faq .faq-item__q,
  .page-faq .faq-item__q::after,
  .page-faq .faq-copy,
  .page-faq .faq-help__link {
    transition: none;
  }

  .page-faq .faq-flow__link:hover,
  .page-faq .faq-flow__link:focus-visible {
    transform: none;
  }

  .page-faq .faq-item[open] .faq-item__a {
    animation: none;
  }
}