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

/* ===== Hero ===== */
.page-faq .faq-hero {
  padding: 32px 0 52px;
  position: relative;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 32px;
  align-items: center;
}

.page-faq .faq-hero__label {
  margin-bottom: 16px;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-sans);
  font-weight: 200;
  font-size: clamp(2.6rem, 6vw, 4.75rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  margin: 0 0 18px;
}

.page-faq .faq-hero h1::before {
  content: "";
  display: block;
  width: 54px;
  height: 4px;
  background: var(--grad-red);
  margin: 0 0 20px;
}

.page-faq .faq-hero__lead {
  font-size: 16px;
  line-height: 1.9;
  color: #4b4b4b;
  max-width: 62ch;
  margin: 0 0 24px;
}

.page-faq .faq-hero__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .faq-hero__proof {
  background: var(--grad-green);
  color: var(--frost);
  padding: 28px 26px;
  border: 1px solid rgba(192, 192, 192, 0.5);
  border-radius: 4px;
  position: relative;
  overflow: hidden;
}

.page-faq .faq-hero__proof::after {
  content: "";
  position: absolute;
  right: -34px;
  bottom: -34px;
  width: 120px;
  height: 120px;
  background: var(--red-arena);
  transform: rotate(45deg);
  opacity: 0.9;
}

.page-faq .faq-hero__proof-label {
  margin: 0 0 20px;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(248, 252, 248, 0.72);
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero__stat {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(192, 192, 192, 0.3);
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero__stat:last-child {
  border-bottom: 0;
}

.page-faq .faq-hero__stat .statistic__value {
  font-size: 30px;
  color: var(--frost);
  font-weight: 500;
}

.page-faq .faq-hero__stat .statistic__label {
  color: rgba(248, 252, 248, 0.82);
  font-size: 13px;
}

/* ===== 左右分屏 ===== */
.page-faq .faq-split__wrap {
  padding-bottom: 72px;
}

.page-faq .faq-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  align-items: start;
}

/* ===== 左侧索引 ===== */
.page-faq .faq-index {
  background: var(--green-deep);
  border-radius: 4px;
  padding: 28px 24px 32px;
  position: relative;
  overflow: hidden;
  color: var(--frost);
}

.page-faq .faq-index::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 0;
  height: 0;
  border-top: 72px solid var(--red-arena);
  border-left: 72px solid transparent;
}

.page-faq .faq-index__deco-mono {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: rgba(248, 252, 248, 0.5);
  position: relative;
  z-index: 1;
}

.page-faq .faq-index__title {
  margin: 0 0 18px;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--frost);
  position: relative;
  z-index: 1;
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  position: relative;
  z-index: 1;
}

.page-faq .faq-index__list li {
  border-bottom: 1px solid rgba(192, 192, 192, 0.28);
}

.page-faq .faq-index__list li:first-child {
  border-top: 1px solid rgba(192, 192, 192, 0.28);
}

.page-faq .faq-index__list a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 14px 0;
  color: var(--frost);
  text-decoration: none;
  font-size: 15px;
  transition: color 0.2s var(--ease), padding-left 0.2s var(--ease);
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  color: var(--red-arena);
  padding-left: 4px;
}

.page-faq .faq-index__num {
  font-size: 13px;
  color: var(--gold-dark);
  min-width: 30px;
}

.page-faq .faq-index__cta {
  position: relative;
  z-index: 1;
  display: block;
  text-align: center;
  margin-top: 24px;
}

/* ===== 图片 ===== */
.page-faq .faq-figure {
  margin: 20px 0 0;
  position: relative;
  z-index: 1;
}

.page-faq .faq-figure img {
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid rgba(192, 192, 192, 0.4);
  border-radius: 2px;
}

.page-faq .faq-figure figcaption {
  font-size: 12px;
  line-height: 1.7;
  color: rgba(248, 252, 248, 0.7);
  padding-top: 8px;
}

.page-faq .faq-figure--mask {
  width: 96px;
  margin: 0;
  flex-shrink: 0;
}

.page-faq .faq-figure--mask img {
  width: 96px;
  height: 96px;
  object-fit: cover;
  border: 1px solid var(--silver-metal);
  border-radius: 4px;
}

.page-faq .faq-figure--mask figcaption {
  display: none;
}

/* ===== 右侧内容与分类 ===== */
.page-faq .faq-content {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.page-faq .faq-category {
  scroll-margin-top: 96px;
  background: var(--frost);
  border: 1px solid var(--silver-metal);
  border-radius: 4px;
  padding: 28px 20px 30px;
  box-shadow: var(--shadow-card);
  transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.page-faq .faq-category:hover {
  border-color: var(--gold-dark);
}

.page-faq .faq-category__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
}

.page-faq .faq-category__title {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.page-faq .faq-category__num {
  font-size: 42px;
  line-height: 1;
  color: var(--gold-dark);
  font-weight: 600;
  min-width: 40px;
}

.page-faq .faq-category__title h2 {
  font-size: 26px;
  font-weight: 700;
  line-height: 1.25;
  margin: 4px 0 2px;
}

.page-faq .faq-category__title p {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: #787878;
}

/* ===== 问答卡片 ===== */
.page-faq .faq-card {
  border: 1px solid var(--silver-metal);
  background: var(--paper);
  border-radius: 4px;
  margin-bottom: 12px;
  transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.page-faq .faq-card:hover {
  border-color: var(--red-arena);
  box-shadow: 0 4px 14px rgba(30, 30, 30, 0.06);
}

.page-faq .faq-card[open] {
  border-color: var(--gold-dark);
  box-shadow: 0 4px 14px rgba(30, 30, 30, 0.05);
}

.page-faq .faq-card__summary {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 18px 18px 20px;
  cursor: pointer;
}

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

.page-faq .faq-card__summary:focus-visible {
  outline: 2px solid var(--red-arena);
  outline-offset: 2px;
}

.page-faq .faq-card__q {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--ink);
  flex: 1;
}

.page-faq .faq-card__qno {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gold-dark);
  margin-right: 8px;
  font-weight: 400;
}

.page-faq .faq-card__icon {
  position: relative;
  flex: 0 0 26px;
  width: 26px;
  height: 26px;
  border: 1px solid var(--silver-metal);
  border-radius: 50%;
  background: var(--frost);
  transition: border-color 0.25s var(--ease), transform 0.3s var(--ease);
}

.page-faq .faq-card__icon::before,
.page-faq .faq-card__icon::after {
  content: "";
  position: absolute;
  left: 6px;
  background: var(--gold-dark);
  transition: transform 0.3s var(--ease), background 0.25s var(--ease);
}

.page-faq .faq-card__icon::before {
  width: 12px;
  height: 2px;
  top: 11px;
}

.page-faq .faq-card__icon::after {
  width: 2px;
  height: 12px;
  top: 6px;
  left: 11px;
}

.page-faq .faq-card__summary:hover .faq-card__icon {
  border-color: var(--red-arena);
}

.page-faq .faq-card__summary:hover .faq-card__icon::before,
.page-faq .faq-card__summary:hover .faq-card__icon::after {
  background: var(--red-arena);
}

.page-faq .faq-card[open] .faq-card__icon::after {
  transform: scaleY(0);
}

.page-faq .faq-card[open] .faq-card__icon {
  border-color: var(--gold-dark);
}

.page-faq .faq-card[open] .faq-card__icon::before,
.page-faq .faq-card[open] .faq-card__icon::after {
  background: var(--gold-dark);
}

.page-faq .faq-card__body {
  position: relative;
  padding: 2px 18px 22px 62px;
}

.page-faq .faq-card__body::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 22px;
  left: 33px;
  width: 1px;
  background: rgba(184, 134, 11, 0.35);
}

.page-faq .faq-card__body p {
  font-size: 14px;
  line-height: 1.8;
  color: #4b4b4b;
  margin: 0 0 12px;
}

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

.page-faq .faq-inline-link {
  color: var(--green-deep);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: var(--silver-metal);
  text-underline-offset: 4px;
  transition: color 0.2s ease, text-decoration-color 0.2s ease;
}

.page-faq .faq-inline-link:hover {
  color: var(--red-arena);
  text-decoration-color: var(--red-arena);
}

/* ===== 答案中的数据块 ===== */
.page-faq .faq-data {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 16px 0 2px;
}

.page-faq .faq-data__item {
  border: 1px solid rgba(184, 134, 11, 0.3);
  border-radius: 4px;
  padding: 12px 8px;
  text-align: center;
  background: rgba(245, 240, 230, 0.65);
}

.page-faq .faq-data__value {
  display: block;
  font-size: 18px;
  font-weight: 500;
  color: var(--gold-dark);
  line-height: 1.3;
}

.page-faq .faq-data__label {
  display: block;
  font-size: 12px;
  color: #787878;
  margin-top: 4px;
}

/* ===== 底部引导 ===== */
.page-faq .faq-help-cta {
  margin-top: 8px;
  padding: 28px;
  background: var(--grad-red);
  color: var(--frost);
  border-radius: 4px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: flex-start;
  position: relative;
  overflow: hidden;
}

.page-faq .faq-help-cta::after {
  content: "24h";
  font-family: var(--font-mono);
  position: absolute;
  right: 14px;
  bottom: -14px;
  font-size: 84px;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.1);
  line-height: 1;
}

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

.page-faq .faq-help-cta h2 {
  font-size: 24px;
  font-weight: 700;
  margin: 0 0 6px;
  line-height: 1.35;
}

.page-faq .faq-help-cta p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  opacity: 0.92;
}

.page-faq .faq-help-cta__btn {
  position: relative;
  z-index: 1;
  border: 1px solid rgba(248, 252, 248, 0.75);
  color: var(--frost);
  background: transparent;
}

.page-faq .faq-help-cta__btn:hover {
  background: var(--frost);
  color: var(--red-arena);
  border-color: var(--frost);
}

/* ===== 响应式 ===== */
@media (min-width: 640px) {
  .page-faq .faq-help-cta {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .page-faq .faq-figure--mask {
    width: 132px;
  }

  .page-faq .faq-figure--mask img {
    width: 132px;
    height: 132px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: 48px 0 68px;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.7fr) minmax(280px, 0.8fr);
    gap: 48px;
  }

  .page-faq .faq-category {
    padding: 36px 32px 38px;
  }

  .page-faq .faq-category__num {
    font-size: 52px;
  }

  .page-faq .faq-card__body p {
    font-size: 15px;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-split {
    grid-template-columns: 300px minmax(0, 1fr);
    gap: 56px;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 96px;
  }
}