.page-faq {
  --faq-rule: rgba(74, 85, 104, 0.18);
  --faq-panel: rgba(255, 255, 255, 0.72);
  --faq-hero-line: rgba(245, 240, 232, 0.16);
  --faq-milk-soft: rgba(245, 240, 232, 0.08);
  background: var(--c-milk);
  color: var(--c-primary);
  font-family: var(--font-body);
  scroll-behavior: smooth;
  overflow-x: hidden;
}

/* ======== Hero 横幅 ======== */
.page-faq__hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 78% 12%, rgba(57, 255, 136, 0.18), transparent 42%),
    linear-gradient(135deg, var(--c-primary-deep), var(--c-primary) 62%, #132a58);
  color: var(--c-milk);
  padding: 2.5rem 0 3rem;
}

.page-faq__hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--c-accent) 0%, rgba(57, 255, 136, 0) 62%);
}

.page-faq__hero-grid {
  display: grid;
  gap: 2.25rem;
  margin-top: 2rem;
}

.page-faq__hero-copy {
  min-width: 0;
}

.page-faq__hero .page-title {
  font-size: clamp(1.9rem, 5vw, 3.25rem);
  line-height: 1.16;
  letter-spacing: -0.01em;
  margin: 1.1rem 0;
}

.page-faq__hero .text-lede {
  color: rgba(245, 240, 232, 0.78);
  max-width: 38rem;
  font-size: var(--fs-16);
  line-height: 1.7;
  margin: 0;
}

.page-faq__search {
  position: relative;
  display: grid;
  gap: 0.6rem;
  margin-top: 2rem;
}

.page-faq__search::before {
  content: "";
  position: absolute;
  top: 0.85rem;
  left: 1rem;
  width: 1.05rem;
  height: 1.05rem;
  border: 2px solid var(--c-accent);
  border-radius: 50%;
  pointer-events: none;
}

.page-faq__search::after {
  content: "";
  position: absolute;
  top: 1.62rem;
  left: 1.78rem;
  width: 0.5rem;
  height: 2px;
  background: var(--c-accent);
  transform: rotate(45deg);
  pointer-events: none;
}

.page-faq__search-input {
  width: 100%;
  border: 1px solid rgba(245, 240, 232, 0.22);
  background: var(--faq-milk-soft);
  color: var(--c-milk);
  font: 500 var(--fs-16) var(--font-body);
  padding: 0.75rem 1rem 0.75rem 2.6rem;
  border-radius: var(--radius-md);
  transition: border-color 0.25s, box-shadow 0.25s, background 0.25s;
}

.page-faq__search-input::placeholder {
  color: rgba(245, 240, 232, 0.45);
}

.page-faq__search-input:focus {
  outline: none;
  border-color: var(--c-accent);
  background: rgba(245, 240, 232, 0.12);
  box-shadow: 0 0 0 4px rgba(57, 255, 136, 0.18);
}

.page-faq__search-hint {
  font-size: var(--fs-12);
  color: rgba(245, 240, 232, 0.6);
  line-height: 1.6;
}

.page-faq__search-hint a {
  color: var(--c-accent);
  text-decoration: none;
  font-weight: 600;
  border-bottom: 1px solid rgba(57, 255, 136, 0.4);
  transition: border-color 0.2s;
}

.page-faq__search-hint a:hover {
  border-color: var(--c-accent);
}

.page-faq__hero-visual {
  position: relative;
  min-width: 0;
}

.page-faq__hero-img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--faq-hero-line);
  box-shadow: var(--shadow-md);
}

.page-faq__hero-total {
  position: absolute;
  right: 0.75rem;
  bottom: -1.25rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--c-milk);
  color: var(--c-primary);
  padding: 0.8rem 1.1rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

.page-faq__hero-total .stat-num {
  font-size: var(--fs-32);
  line-height: 1;
}

.page-faq__hero-total-label {
  font-size: var(--fs-12);
  line-height: 1.5;
  font-weight: 600;
}

/* ======== 服务快照 ======== */
.page-faq__snapshot {
  padding: 2rem 0 0;
}

.page-faq__snapshot-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

.page-faq__snapshot-item {
  background: var(--c-primary);
  color: var(--c-milk);
  border-radius: var(--radius-md);
  padding: 1.25rem 1rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.15rem;
  min-width: 0;
}

.page-faq__snapshot-item .stat-num {
  font-size: var(--fs-24);
  color: var(--c-gold);
  line-height: 1.2;
}

.page-faq__snapshot-label {
  font-size: var(--fs-12);
  color: rgba(245, 240, 232, 0.68);
}

/* ======== 主体网格 ======== */
.page-faq__board {
  padding: 3rem 0 4rem;
  background-image: linear-gradient(rgba(74, 85, 104, 0.05) 1px, transparent 1px);
  background-size: 100% 3rem;
}

.page-faq__board-grid {
  display: grid;
  gap: 2rem;
  align-items: start;
}

/* ======== 左侧问题索引 ======== */
.page-faq__index {
  background: var(--faq-panel);
  border: 1px solid var(--faq-rule);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow-soft);
}

.page-faq__index-title {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0 0 1rem;
  font-size: var(--fs-12);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-rock);
  font-weight: 600;
}

.page-faq__index-title::before {
  content: "";
  width: 0.6rem;
  height: 0.6rem;
  border-radius: 50%;
  background: var(--c-accent);
  box-shadow: 0 0 0 3px rgba(57, 255, 136, 0.2);
}

.page-faq__index-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.page-faq__index-link {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--c-primary);
  padding: 0.55rem 0.65rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: background 0.2s, border-color 0.2s;
}

.page-faq__index-link:hover {
  background: var(--c-accent-faint);
  border-color: rgba(57, 255, 136, 0.5);
}

.page-faq__index-no {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: var(--fs-20);
  line-height: 1;
  color: var(--c-gold);
  min-width: 2rem;
}

.page-faq__index-name {
  font-size: var(--fs-14);
  font-weight: 600;
}

.page-faq__index-count {
  margin-left: auto;
  font-size: var(--fs-12);
  color: var(--c-rock);
  background: rgba(74, 85, 104, 0.09);
  padding: 0.12rem 0.5rem;
  border-radius: var(--radius-pill);
  white-space: nowrap;
}

.page-faq__index-note {
  margin-top: 1.25rem;
  padding: 0.85rem 1rem;
  background: var(--c-accent-faint);
  border-left: 3px solid var(--c-accent);
  border-radius: var(--radius-sm);
  font-size: var(--fs-12);
  line-height: 1.6;
  color: var(--c-rock);
}

.page-faq__index-note-led {
  display: inline-block;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--c-moss);
  margin-right: 0.35rem;
}

/* ======== 右侧答案区 ======== */
.page-faq__answers {
  display: grid;
  gap: 2.5rem;
  min-width: 0;
}

.page-faq__section {
  background: #fff;
  border: 1px solid var(--faq-rule);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow-soft);
  scroll-margin-top: calc(var(--header-h) + 1rem);
}

.page-faq__section-head {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--c-primary);
}

.page-faq__section-head > div {
  flex: 1;
  min-width: 0;
}

.page-faq__section-no {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: var(--fs-32);
  line-height: 1;
  color: var(--c-gold);
}

.page-faq__section-title {
  font-family: var(--font-heading);
  font-size: var(--fs-20);
  font-weight: 800;
  margin: 0;
}

.page-faq__section-sub {
  margin: 0.25rem 0 0;
  font-size: var(--fs-12);
  color: var(--c-rock);
}

.page-faq__section-tag {
  margin-left: auto;
  flex-shrink: 0;
}

/* ======== 折叠项 ======== */
.page-faq__items {
  display: grid;
  gap: 0.8rem;
}

.page-faq__item {
  background: var(--c-milk);
  border: 1px solid var(--faq-rule);
  border-radius: var(--radius-md);
  transition: border-color 0.25s, box-shadow 0.25s;
}

.page-faq__item:hover {
  border-color: rgba(57, 255, 136, 0.45);
}

.page-faq__item[open] {
  border-color: rgba(57, 255, 136, 0.7);
  box-shadow: 0 0 0 3px rgba(57, 255, 136, 0.12);
}

.page-faq__q {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.1rem;
  margin: 0;
  font-weight: 700;
  font-size: var(--fs-14);
  color: var(--c-primary);
}

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

.page-faq__q:focus-visible {
  outline: 2px solid var(--c-accent);
  outline-offset: -2px;
  border-radius: var(--radius-md);
}

.page-faq__q-no {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: var(--fs-16);
  color: var(--c-gold);
  min-width: 2.1rem;
}

.page-faq__q-text {
  color: var(--c-primary);
}

.page-faq__q::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-heading);
  font-weight: 400;
  font-size: 1.4rem;
  line-height: 1;
  color: var(--c-rock);
  transition: transform 0.3s var(--ease-out), color 0.3s;
}

.page-faq__item[open] .page-faq__q::after {
  transform: rotate(45deg);
  color: var(--c-accent);
}

.page-faq__a {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.4s var(--ease-out);
}

.page-faq__item[open] .page-faq__a {
  grid-template-rows: 1fr;
}

.page-faq__a-inner {
  overflow: hidden;
}

.page-faq__a-inner p {
  margin: 0;
  padding: 0 1.2rem 1.2rem 4.05rem;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--c-rock);
}

.page-faq__a-inner strong {
  color: var(--c-primary);
  font-weight: 700;
}

.page-faq__a-inner a {
  color: var(--c-primary);
  font-weight: 700;
  text-decoration: underline;
  text-decoration-color: var(--c-gold);
  text-underline-offset: 0.2rem;
  transition: color 0.2s, text-decoration-color 0.2s;
}

.page-faq__a-inner a:hover {
  color: var(--c-moss);
  text-decoration-color: var(--c-moss);
}

/* ======== 流程图 ======== */
.page-faq__flow {
  margin: 1.5rem 0 0;
}

.page-faq__flow img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--faq-rule);
}

.page-faq__flow figcaption {
  margin-top: 0.65rem;
  padding-left: 0.75rem;
  border-left: 3px solid var(--c-gold);
  font-size: var(--fs-12);
  color: var(--c-rock);
  line-height: 1.5;
}

/* ======== 底部联系条 ======== */
.page-faq__contact {
  position: relative;
  background: var(--c-carbon);
  color: var(--c-milk);
  padding: 2.5rem 0;
}

.page-faq__contact::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--c-gold) 0%, var(--c-accent) 35%, var(--c-terra) 70%, var(--c-milk) 100%);
}

.page-faq__contact-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.page-faq__contact-copy {
  min-width: 0;
  flex: 1 1 18rem;
}

.page-faq__contact-title {
  font-family: var(--font-heading);
  font-size: var(--fs-24);
  font-weight: 800;
  margin: 0 0 0.5rem;
}

.page-faq__contact-desc {
  margin: 0;
  max-width: 40rem;
  color: rgba(245, 240, 232, 0.76);
  font-size: var(--fs-14);
  line-height: 1.7;
}

/* ======== 桌面端布局 ======== */
@media (min-width: 880px) {
  .page-faq__hero {
    padding: 4rem 0 4.5rem;
  }

  .page-faq__hero-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 3.5rem;
    align-items: center;
    margin-top: 2.5rem;
  }

  .page-faq__hero-total {
    right: -0.5rem;
    bottom: -1rem;
  }

  .page-faq__snapshot {
    padding-top: 2.5rem;
  }

  .page-faq__snapshot-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
  }

  .page-faq__snapshot-item {
    padding: 1.5rem;
  }

  .page-faq__snapshot-item .stat-num {
    font-size: var(--fs-32);
  }

  .page-faq__board {
    padding: 4rem 0 5rem;
  }

  .page-faq__board-grid {
    grid-template-columns: minmax(14rem, 18rem) minmax(0, 1fr);
    gap: 2.5rem;
  }

  .page-faq__index-sticky {
    position: sticky;
    top: calc(var(--header-h) + 1.5rem);
  }

  .page-faq__section {
    padding: 1.75rem;
  }

  .page-faq__section-no {
    font-size: var(--fs-48);
  }

  .page-faq__section-title {
    font-size: var(--fs-24);
  }

  .page-faq__q {
    font-size: var(--fs-16);
    padding: 1.15rem 1.25rem;
  }

  .page-faq__a-inner p {
    padding-left: 4.25rem;
  }
}

/* ======== 动效降级 ======== */
@media (prefers-reduced-motion: reduce) {
  .page-faq {
    scroll-behavior: auto;
  }

  .page-faq__a {
    grid-template-rows: 1fr;
    transition: none;
  }

  .page-faq__q::after {
    transition: none;
  }

  .page-faq__section,
  .page-faq__item {
    transition: none;
  }
}