.page-faq {
  --faq-body-text: #C9D6F2;
  --faq-line: #2C4670;
  --faq-open-bg: #122848;
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 2rem 1rem 4rem;
  background: var(--color-primary);
  color: var(--color-light);
}

.page-faq .breadcrumb {
  margin-bottom: 1.75rem;
}

/* ========== 首屏 ========== */
.page-faq .faq-hero {
  display: flex;
  flex-direction: column;
  background:
    linear-gradient(135deg, rgba(0, 255, 133, 0.10) 0%, transparent 45%),
    var(--color-surface);
  border: var(--border-w) solid var(--color-dim);
  box-shadow: var(--shadow-hard);
}

.page-faq .faq-hero__content {
  padding: 1.5rem;
}

.page-faq .faq-hero h1 {
  margin: 0.75rem 0 1rem;
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 5vw, 2.7rem);
  line-height: 1.12;
  letter-spacing: 0.02em;
}

.page-faq .faq-hero__lead {
  margin: 0 0 1.25rem;
  font-family: var(--font-body);
  font-size: 0.98rem;
  line-height: 1.75;
  color: var(--faq-body-text);
}

.page-faq .faq-search {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.7rem 0.9rem;
  border: var(--border-w) solid var(--color-accent);
  background: var(--color-primary);
  color: var(--color-accent);
  box-shadow: 0 3px 0 rgba(0, 255, 133, 0.22);
}

.page-faq .faq-search svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.page-faq .faq-search__input {
  flex: 1;
  min-width: 0;
  background: transparent;
  border: 0;
  outline: none;
  color: var(--color-light);
  font-family: var(--font-body);
  font-size: 0.95rem;
}

.page-faq .faq-search__input::placeholder {
  color: var(--color-dim);
}

.page-faq .faq-search__hint {
  margin: 0.6rem 0 0;
  font-family: var(--font-data);
  font-size: 0.78rem;
  color: var(--color-dim);
}

.page-faq .faq-media {
  margin: 0;
  background: var(--color-primary);
  position: relative;
  display: flex;
  flex-direction: column;
}

.page-faq .faq-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}

.page-faq .faq-media figcaption {
  padding: 0.6rem 0.9rem;
  font-family: var(--font-data);
  font-size: 0.78rem;
  color: var(--color-dim);
  border-top: var(--border-w) solid var(--color-dim);
  background: var(--color-surface);
}

.page-faq .faq-hero__media {
  border: 0;
  border-top: var(--border-w) solid var(--color-dim);
}

.page-faq .faq-hero__media img {
  height: 220px;
}

/* ========== 问题索引 ========== */
.page-faq .faq-index {
  margin-top: 3rem;
}

.page-faq .faq-index__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-top: 1.5rem;
}

.page-faq .faq-index__card {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 1.2rem 1rem;
  border: var(--border-w) solid var(--color-dim);
  background: var(--color-surface);
  text-decoration: none;
  color: var(--color-light);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.page-faq .faq-index__card:hover {
  border-color: var(--color-accent);
  background: var(--faq-open-bg);
  transform: translate(-2px, -2px);
}

.page-faq .faq-index__num {
  font-family: var(--font-heading);
  font-size: 2rem;
  line-height: 1;
  color: var(--color-accent);
}

.page-faq .faq-index__card:nth-child(2) .faq-index__num { color: var(--color-data); }
.page-faq .faq-index__card:nth-child(3) .faq-index__num { color: var(--color-warn); }
.page-faq .faq-index__card:nth-child(4) .faq-index__num { color: var(--color-accent-alt); }

.page-faq .faq-index__label {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.98rem;
}

.page-faq .faq-index__count {
  font-family: var(--font-data);
  font-size: 0.78rem;
  color: var(--color-dim);
}

/* ========== 问答区块 ========== */
.page-faq .faq-section {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: var(--border-w) solid var(--color-dim);
}

.page-faq .faq-section__heading {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.page-faq .faq-section__num {
  font-family: var(--font-heading);
  font-size: 3.2rem;
  line-height: 0.9;
  color: var(--color-accent);
  min-width: 1.6ch;
}

.page-faq .faq-section__heading h2 {
  margin: 0 0 0.3rem;
  font-family: var(--font-heading);
  font-size: 1.65rem;
  letter-spacing: 0.02em;
  color: var(--color-light);
}

.page-faq .faq-section__heading p {
  margin: 0;
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: var(--color-dim);
}

.page-faq .faq-section--query .faq-section__num { color: var(--color-data); }
.page-faq .faq-section--member .faq-section__num { color: var(--color-warn); }
.page-faq .faq-section--other .faq-section__num { color: var(--color-accent-alt); }

.page-faq .faq-section__body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.page-faq .faq-section__figure {
  margin: 0;
  align-self: start;
}

/* FAQ 列表 */
.page-faq .faq-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.page-faq .faq-item {
  border: var(--border-w) solid var(--color-dim);
  background: var(--color-surface);
  box-shadow: 0 3px 0 rgba(0, 0, 0, 0.22);
  transition: border-color 0.2s ease, background 0.2s ease;
}

.page-faq .faq-item[open] {
  border-color: var(--color-accent);
  background: var(--faq-open-bg);
  box-shadow: 0 3px 0 rgba(0, 0, 0, 0.22), inset 3px 0 0 var(--color-accent);
}

.page-faq .faq-item summary {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 1.05rem 1rem;
  list-style: none;
  cursor: pointer;
  user-select: none;
  -webkit-user-select: none;
}

.page-faq .faq-item summary::-webkit-details-marker,
.page-faq .faq-item summary::marker {
  display: none;
  content: "";
}

.page-faq .faq-item summary:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: -2px;
}

.page-faq .faq-item summary:hover {
  background: rgba(0, 255, 133, 0.04);
}

.page-faq .faq-item__num {
  font-family: var(--font-data);
  font-size: 0.76rem;
  color: var(--color-data);
  border: 1px solid var(--color-dim);
  background: var(--color-primary);
  padding: 0.28rem 0.45rem;
  flex-shrink: 0;
  letter-spacing: 0.06em;
}

.page-faq .faq-item__q {
  flex: 1;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.98rem;
  line-height: 1.45;
  color: var(--color-accent);
}

.page-faq .faq-item__icon {
  position: relative;
  width: 22px;
  height: 22px;
  border: 1px solid var(--color-dim);
  flex-shrink: 0;
  transition: border-color 0.2s ease;
}

.page-faq .faq-item__icon::before,
.page-faq .faq-item__icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--color-accent);
  transition: height 0.2s ease;
}

.page-faq .faq-item__icon::before {
  width: 10px;
  height: 2px;
}

.page-faq .faq-item__icon::after {
  width: 2px;
  height: 10px;
}

.page-faq .faq-item[open] .faq-item__icon {
  border-color: var(--color-accent);
}

.page-faq .faq-item[open] .faq-item__icon::after {
  height: 0;
}

.page-faq .faq-item__answer {
  padding: 0.3rem 1rem 1.2rem;
  border-top: 1px dashed var(--faq-line);
  font-family: var(--font-body);
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--faq-body-text);
}

.page-faq .faq-item__answer p {
  margin: 0.7rem 0 0;
}

.page-faq .faq-item__answer a,
.page-faq .faq-help__content a {
  color: var(--color-accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

.page-faq .faq-item__answer a:hover,
.page-faq .faq-help__content a:hover {
  color: var(--color-light);
}

/* ========== 底部求助 ========== */
.page-faq .faq-help {
  margin-top: 3.5rem;
  background:
    linear-gradient(135deg, rgba(255, 107, 0, 0.16) 0%, transparent 50%),
    var(--color-surface);
  border: var(--border-w) solid var(--color-accent-alt);
  box-shadow: var(--shadow-hard);
}

.page-faq .faq-help__inner {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  padding: 1.8rem 1.4rem;
}

.page-faq .faq-help__num {
  font-family: var(--font-heading);
  font-size: 3rem;
  line-height: 0.9;
  color: var(--color-accent-alt);
}

.page-faq .faq-help__content h2 {
  margin: 0 0 0.7rem;
  font-family: var(--font-heading);
  font-size: 1.55rem;
  color: var(--color-light);
}

.page-faq .faq-help__content p {
  margin: 0 0 1.2rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--faq-body-text);
}

.page-faq .faq-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* ========== 桌面端 ========== */
@media (min-width: 768px) {
  .page-faq {
    padding: 3rem 1.5rem 5rem;
  }

  .page-faq .faq-hero {
    flex-direction: row;
    align-items: stretch;
  }

  .page-faq .faq-hero__content {
    flex: 1 1 58%;
    padding: 2.5rem;
  }

  .page-faq .faq-hero__media {
    flex: 1 1 42%;
    border-top: 0;
    border-left: var(--border-w) solid var(--color-dim);
  }

  .page-faq .faq-hero__media img {
    flex: 1;
    height: 100%;
    min-height: 100%;
  }

  .page-faq .faq-index__grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-faq .faq-section__heading {
    margin-bottom: 2rem;
  }

  .page-faq .faq-section--has-media .faq-section__body {
    grid-template-columns: 1fr 0.85fr;
    align-items: start;
  }

  .page-faq .faq-item__answer {
    padding-left: 4.3rem;
  }

  .page-faq .faq-help__inner {
    padding: 2.5rem;
  }
}