.page-faq {
  --card-border-width: 3px;
  --card-shadow: 6px 6px 0 var(--silver);
  background: var(--cream);
  color: var(--gray);
  font-family: var(--font-body);
  overflow-x: hidden;
}

/* ===== 页首宣传区 ===== */
.page-faq .faq-hero {
  position: relative;
  background: var(--green);
  color: var(--white);
  padding: 3rem 0 3.25rem;
  border-bottom: 4px solid var(--dark);
  overflow: hidden;
}
.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 10px;
  background: repeating-linear-gradient(135deg, var(--gold) 0 14px, var(--dark) 14px 28px);
  clip-path: polygon(0 0, 100% 0, calc(100% - 80px) 100%, 0 100%);
  z-index: 1;
}
.page-faq .faq-hero::after {
  content: "FAQ";
  position: absolute;
  right: 0;
  bottom: -0.35em;
  font-family: var(--font-data);
  font-size: 7.5rem;
  font-weight: 900;
  line-height: 1;
  color: rgba(255, 255, 255, 0.07);
  pointer-events: none;
  letter-spacing: -0.08em;
}
.page-faq .faq-hero__inner {
  position: relative;
  z-index: 2;
}
.page-faq .faq-hero h1 {
  font-family: var(--font-heading);
  font-size: 2.25rem;
  font-weight: 900;
  line-height: 1.1;
  margin: 1rem 0 0.875rem;
  letter-spacing: -0.03em;
}
.page-faq .faq-hero__lead {
  max-width: 54ch;
  font-size: 1.0625rem;
  line-height: 1.75;
  margin: 0;
  color: rgba(255, 255, 255, 0.92);
}
.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem 1rem;
  margin-top: 1.5rem;
}
.page-faq .faq-hero__meta-item {
  font-family: var(--font-data);
  font-size: 0.8125rem;
  line-height: 1.4;
  border: 2px solid rgba(255, 255, 255, 0.55);
  padding: 0.375rem 0.75rem;
  color: var(--white);
}
.page-faq .faq-hero__meta-item:first-child {
  background: var(--dark);
  border-color: var(--gold);
  color: var(--gold);
}

/* ===== 分类标签索引 ===== */
.page-faq .faq-index {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  margin-top: 2.5rem;
  margin-bottom: 3rem;
}
.page-faq .faq-index__item {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  background: var(--white);
  border: var(--card-border-width) solid var(--gray);
  box-shadow: 5px 5px 0 var(--silver);
  padding: 0.875rem 1rem;
  color: var(--gray);
  text-decoration: none;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  transition: transform 0.16s ease, box-shadow 0.16s ease, border-color 0.16s ease;
}
.page-faq .faq-index__item:hover,
.page-faq .faq-index__item:focus-visible {
  transform: translate(-2px, -2px);
  box-shadow: 7px 7px 0 var(--green);
  border-color: var(--green);
}
.page-faq .faq-index__num {
  font-family: var(--font-data);
  font-weight: 700;
  font-size: 0.875rem;
  color: var(--green);
}

/* ===== 基础区域 ===== */
.page-faq .faq-section {
  padding: 2.5rem 0 3.25rem;
  border-top: 3px solid var(--silver);
  scroll-margin-top: 2rem;
}
.page-faq .faq-section__head {
  display: flex;
  align-items: baseline;
  gap: 0.875rem;
  margin-bottom: 1.75rem;
}
.page-faq .faq-section__num {
  font-family: var(--font-data);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--green);
}
.page-faq .faq-section h2 {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 900;
  color: var(--dark);
  margin: 0;
  letter-spacing: -0.02em;
}
.page-faq .faq-section__intro {
  margin: 0 0 1.5rem;
  font-size: 1.0625rem;
  line-height: 1.7;
}

/* ===== 折叠问答 ===== */
.page-faq .faq-list {
  display: grid;
  gap: 1.125rem;
}
.page-faq .faq-item {
  background: var(--white);
  border: var(--card-border-width) solid var(--gray);
  box-shadow: var(--card-shadow);
}
.page-faq .faq-item[open] {
  box-shadow: 6px 6px 0 var(--green);
}
.page-faq .faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.125rem 1.25rem;
  cursor: pointer;
  font-family: var(--font-heading);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--dark);
  line-height: 1.45;
  list-style: none;
}
.page-faq .faq-item summary::-webkit-details-marker {
  display: none;
}
.page-faq .faq-item summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-data);
  font-size: 1.375rem;
  font-weight: 700;
  line-height: 1;
  color: var(--green);
}
.page-faq .faq-item[open] summary::after {
  content: "×";
}
.page-faq .faq-item__answer {
  padding: 0.625rem 1.25rem 1.25rem;
  border-top: 2px dashed var(--silver);
}
.page-faq .faq-item__answer p {
  margin: 0.75rem 0 0;
  line-height: 1.75;
  font-size: 0.9375rem;
}
.page-faq .faq-item__answer p:first-child {
  margin-top: 0;
}
.page-faq .faq-item__tip {
  background: rgba(30, 123, 75, 0.06);
  border-left: 4px solid var(--green);
  padding: 0.625rem 0.875rem;
  font-size: 0.875rem;
  color: var(--green);
}

/* ===== 深色数据区 ===== */
.page-faq .faq-section--dark {
  background: var(--dark);
  color: var(--cream);
  border-top: none;
  position: relative;
}
.page-faq .faq-section--dark::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  height: 8px;
  width: 100%;
  background: var(--gold);
  clip-path: polygon(0 0, 100% 0, calc(100% - 80px) 100%, 0 100%);
}
.page-faq .faq-section--dark .faq-section__head {
  margin-top: 0.5rem;
}
.page-faq .faq-section--dark .faq-section__num {
  color: var(--gold);
}
.page-faq .faq-section--dark h2 {
  color: var(--white);
}
.page-faq .faq-section--dark .faq-section__intro {
  color: rgba(255, 248, 231, 0.85);
}
.page-faq .faq-steps {
  list-style: none;
  margin: 0 0 2rem;
  padding: 0;
  display: grid;
  gap: 0.875rem;
}
.page-faq .faq-steps__item {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: rgba(255, 255, 255, 0.07);
  border: 2px solid var(--gold);
  padding: 0.9375rem 1.125rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.9375rem;
  color: var(--white);
  line-height: 1.5;
  clip-path: polygon(0 0, 100% 0, calc(100% - 14px) 100%, 0 100%);
}
.page-faq .faq-steps__num {
  font-family: var(--font-data);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--gold);
  min-width: 2.5rem;
}
.page-faq .faq-section--dark .faq-item {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(203, 213, 224, 0.6);
  box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.35);
}
.page-faq .faq-section--dark .faq-item[open] {
  box-shadow: 6px 6px 0 var(--gold);
}
.page-faq .faq-section--dark .faq-item summary {
  color: var(--white);
}
.page-faq .faq-section--dark .faq-item summary::after {
  color: var(--gold);
}
.page-faq .faq-section--dark .faq-item__answer {
  border-top-color: rgba(203, 213, 224, 0.35);
}
.page-faq .faq-section--dark .faq-item__answer p {
  color: rgba(255, 248, 231, 0.9);
}

/* ===== 图文网格 ===== */
.page-faq .faq-grid {
  display: grid;
  gap: 2rem;
  align-items: start;
}
.page-faq .faq-grid__figure {
  margin: 0;
  width: 100%;
}
.page-faq .faq-grid__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}
.page-faq .faq-grid__figure figcaption {
  font-family: var(--font-data);
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--gray);
  background: var(--white);
  border: 2px solid var(--silver);
  border-top: none;
  padding: 0.5rem 0.75rem;
}
.page-faq .faq-grid__figure--phone {
  max-width: 260px;
  margin-left: auto;
  margin-right: auto;
}

/* ===== 联系支持 ===== */
.page-faq .faq-contact {
  background: var(--white);
  border-top: 6px solid var(--gold);
}
.page-faq .faq-contact__grid {
  display: grid;
  gap: 1.25rem;
}
.page-faq .faq-contact__card {
  background: var(--cream);
  border: 3px solid var(--gray);
  box-shadow: 6px 6px 0 var(--silver);
  padding: 1.375rem 1.5rem;
}
.page-faq .faq-contact__card--gold {
  background: var(--gold);
  border-color: var(--dark);
  box-shadow: 6px 6px 0 var(--dark);
}
.page-faq .faq-contact__card h3 {
  margin: 0 0 0.75rem;
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 900;
  letter-spacing: 0.06em;
  color: var(--dark);
}
.page-faq .faq-contact__card p {
  margin: 0.25rem 0;
  line-height: 1.6;
  font-size: 0.9375rem;
}
.page-faq .faq-contact__phone {
  font-family: var(--font-data);
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--green);
}
.page-faq .faq-contact__card--gold .faq-contact__phone {
  color: var(--dark);
}
.page-faq .faq-contact__email {
  font-family: var(--font-data);
  font-size: 0.875rem;
  word-break: break-all;
}
.page-faq .faq-contact__note {
  margin-top: 2rem;
  background: rgba(30, 123, 75, 0.07);
  border-left: 6px solid var(--green);
  padding: 1.25rem 1.5rem;
  font-size: 0.9375rem;
  line-height: 1.8;
}
.page-faq .faq-contact__note a {
  color: var(--green);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 2px solid var(--gold);
  transition: background-color 0.15s ease, color 0.15s ease;
}
.page-faq .faq-contact__note a:hover {
  background: var(--gold);
  color: var(--dark);
}

/* ===== 焦点取景 ===== */
.page-faq .faq-index__item:focus-visible,
.page-faq .faq-item summary:focus-visible,
.page-faq .faq-contact__note a:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 2px;
}

/* ===== 平板 ===== */
@media (min-width: 768px) {
  .page-faq .faq-hero h1 {
    font-size: 2.75rem;
  }
  .page-faq .faq-index {
    grid-template-columns: repeat(5, 1fr);
  }
  .page-faq .faq-contact__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-faq .faq-steps {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-faq .faq-steps__item {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
    padding: 1.25rem;
  }
}

/* ===== 桌面 ===== */
@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: 4.25rem 0 4rem;
  }
  .page-faq .faq-hero h1 {
    font-size: 3rem;
  }
  .page-faq .faq-grid {
    grid-template-columns: minmax(280px, 380px) 1fr;
    gap: 3rem;
  }
  .page-faq .faq-grid--reverse {
    grid-template-columns: 1fr minmax(280px, 380px);
  }
  .page-faq .faq-section {
    padding: 3.25rem 0 3.75rem;
  }
  .page-faq .faq-section h2 {
    font-size: 2rem;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-contact__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ===== 减少动效 ===== */
@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    transition: none !important;
    animation: none !important;
    scroll-behavior: auto !important;
  }
}