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

.page-faq *,
.page-faq *::before,
.page-faq *::after {
  box-sizing: border-box;
}

.page-faq .container {
  padding-inline: var(--gutter);
}

.page-faq .breadcrumb {
  padding-block: 14px 0;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding-block: clamp(24px, 4vw, 48px) clamp(32px, 5vw, 64px);
  background-image:
    repeating-linear-gradient(to right, transparent 0 63px, rgba(216, 205, 186, 0.5) 63px 64px),
    repeating-linear-gradient(to bottom, transparent 0 63px, rgba(216, 205, 186, 0.5) 63px 64px);
  background-position: top left;
}

.page-faq .faq-hero-grid {
  display: grid;
  gap: 18px;
}

.page-faq .faq-hero-main {
  min-width: 0;
}

.page-faq .faq-hero h1 {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 6vw, 58px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  max-width: 22ch;
}

.page-faq .faq-hero .lead {
  margin: 18px 0 0;
  max-width: 60ch;
  font-size: 17px;
  line-height: 1.85;
}

.page-faq .faq-hero-side {
  display: none;
}

/* ---------- 四格定位器 ---------- */
.page-faq .faq-locator {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: clamp(24px, 4vw, 40px);
}

.page-faq .locator-card {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  grid-template-areas:
    "icon num"
    "icon title"
    "icon desc";
  gap: 2px 12px;
  align-items: start;
  padding: 16px 16px 18px;
  background: rgba(255, 253, 247, 0.88);
  border: var(--border) solid var(--ink);
  border-top-width: 8px;
  box-shadow: var(--shadow-sm);
  color: var(--ink);
  text-decoration: none;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), background-color 0.25s var(--ease);
}

.page-faq .locator-card:hover,
.page-faq .locator-card:focus-visible {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow);
  background: #fffdf7;
}

.page-faq .locator-card--spring { border-top-color: var(--spring); }
.page-faq .locator-card--summer { border-top-color: var(--summer); }
.page-faq .locator-card--autumn { border-top-color: var(--autumn); }
.page-faq .locator-card--winter { border-top-color: var(--winter); }

.page-faq .locator-icon {
  grid-area: icon;
  display: block;
  width: 32px;
  height: 32px;
  color: var(--ink);
}

.page-faq .locator-icon svg {
  display: block;
  width: 100%;
  height: 100%;
}

.page-faq .locator-num {
  grid-area: num;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.page-faq .locator-title {
  grid-area: title;
  font-size: 19px;
  font-weight: 800;
  line-height: 1.3;
}

.page-faq .locator-desc {
  grid-area: desc;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  scroll-margin-top: 110px;
  padding-block: clamp(36px, 6vw, 72px);
  border-top: 1px solid var(--line);
  transition: background-color 0.4s var(--ease);
}

.page-faq .faq-group:target {
  background: rgba(232, 112, 58, 0.07);
}

.page-faq .group-head {
  display: grid;
  gap: 6px 20px;
  margin-bottom: clamp(20px, 3vw, 28px);
}

.page-faq .group-num {
  font-family: var(--font-data);
  font-size: clamp(30px, 5vw, 44px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--ember);
  font-variant-numeric: tabular-nums;
}

.page-faq .group-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(23px, 3.4vw, 36px);
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: -0.01em;
  max-width: 26ch;
}

.page-faq .group-intro {
  margin: 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.85;
}

.page-faq .faq-group:target .group-title {
  box-shadow: inset 0 -10px 0 rgba(232, 112, 58, 0.35);
}

/* ---------- 图 ---------- */
.page-faq .faq-figure {
  margin: 0 0 clamp(20px, 3vw, 28px);
  border: var(--border) solid var(--ink);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  background: var(--paper);
}

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

.page-faq .faq-figure .media-frame__label {
  display: block;
  padding: 8px 12px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--muted);
  background: rgba(247, 241, 227, 0.95);
  border-top: 1px solid var(--line);
}

/* ---------- 折叠条目 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: 10px;
}

.page-faq .faq-item {
  background: #fffdf7;
  border: var(--border) solid var(--ink);
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.25s var(--ease);
}

.page-faq .faq-item[open] {
  box-shadow: var(--shadow);
}

.page-faq .faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  transition: background-color 0.25s var(--ease);
}

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

.page-faq .faq-q:hover,
.page-faq .faq-q:focus-visible {
  background: rgba(232, 112, 58, 0.1);
}

.page-faq .faq-item[open] > .faq-q {
  background: rgba(232, 112, 58, 0.12);
  border-bottom: 1px dashed var(--line);
}

.page-faq .faq-q-text {
  min-width: 0;
}

.page-faq .faq-q-icon {
  position: relative;
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
}

.page-faq .faq-q-icon::before,
.page-faq .faq-q-icon::after {
  content: "";
  position: absolute;
  background: var(--ink);
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}

.page-faq .faq-q-icon::before {
  left: 0;
  top: 7px;
  width: 16px;
  height: 2px;
}

.page-faq .faq-q-icon::after {
  left: 7px;
  top: 0;
  width: 2px;
  height: 16px;
}

.page-faq .faq-item[open] .faq-q-icon::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .faq-a {
  padding: 16px 16px 20px;
  font-size: 16px;
  line-height: 1.8;
}

.page-faq .faq-text {
  margin: 0;
  max-width: 62ch;
}

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

.page-faq .faq-steps > li {
  counter-increment: faqstep;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
}

.page-faq .faq-steps > li::before {
  content: counter(faqstep, decimal-leading-zero);
  font-family: var(--font-data);
  font-size: 13px;
  font-weight: 700;
  line-height: 1;
  color: var(--ember-deep);
  padding-top: 5px;
  border-top: 2px solid var(--ember);
}

/* ---------- 更新节奏带 ---------- */
.page-faq .update-band {
  position: relative;
  overflow: hidden;
  background: var(--indigo);
  color: var(--paper);
  padding-block: clamp(36px, 6vw, 72px);
  border-block: var(--border) solid var(--ink);
}

.page-faq .band-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  opacity: 0.13;
  filter: grayscale(1);
  pointer-events: none;
}

.page-faq .band-inner {
  position: relative;
}

.page-faq .band-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(24px, 3.6vw, 38px);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.page-faq .band-lead {
  margin: 12px 0 0;
  max-width: 58ch;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(247, 241, 227, 0.85);
}

.page-faq .band-scroll {
  margin-top: clamp(20px, 3vw, 32px);
  overflow-x: auto;
  padding-bottom: 6px;
}

.page-faq .band-svg {
  display: block;
  width: 100%;
  min-width: 620px;
  height: auto;
}

.page-faq .band-line {
  stroke: rgba(247, 241, 227, 0.4);
  stroke-width: 2;
}

.page-faq .band-node {
  fill: var(--paper);
}

.page-faq .band-node--accent {
  fill: var(--ember);
}

.page-faq .band-label {
  font-family: var(--font-data);
  font-size: 15px;
  fill: var(--paper);
  letter-spacing: 0.04em;
}

.page-faq .band-sub {
  font-family: var(--font-body);
  font-size: 13px;
  fill: rgba(247, 241, 227, 0.7);
}

.page-faq .band-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: clamp(20px, 3vw, 32px);
}

.page-faq .band-stat {
  border-top: 3px solid var(--ember);
  padding-top: 10px;
  min-width: 0;
}

.page-faq .band-stat:nth-child(2) { border-top-color: var(--spring); }
.page-faq .band-stat:nth-child(3) { border-top-color: var(--summer); }
.page-faq .band-stat:nth-child(4) { border-top-color: var(--autumn); }

.page-faq .band-stat-label {
  display: block;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: rgba(247, 241, 227, 0.72);
}

.page-faq .band-stat-value {
  display: block;
  margin-top: 4px;
  font-family: var(--font-data);
  font-size: clamp(20px, 2.6vw, 28px);
  font-weight: 700;
  color: var(--paper);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}

/* ---------- 反馈准备 ---------- */
.page-faq .prep-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-faq .prep-card {
  background: rgba(255, 253, 247, 0.9);
  border: var(--border) solid var(--ink);
  box-shadow: var(--shadow-sm);
  padding: 18px 16px 20px;
  border-left-width: 8px;
}

.page-faq .prep-card--spring { border-left-color: var(--spring); }
.page-faq .prep-card--summer { border-left-color: var(--summer); }
.page-faq .prep-card--autumn { border-left-color: var(--autumn); }
.page-faq .prep-card--winter { border-left-color: var(--winter); }

.page-faq .prep-num {
  display: block;
  font-family: var(--font-data);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--ember-deep);
}

.page-faq .prep-title {
  margin: 6px 0 8px;
  font-size: 18px;
  font-weight: 800;
  line-height: 1.35;
}

.page-faq .prep-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
}

/* ---------- 联系 ---------- */
.page-faq .faq-group--contact {
  border-top: var(--border) solid var(--ink);
}

.page-faq .contact-block {
  display: grid;
  gap: 24px;
}

.page-faq .contact-rows {
  border-top: 1px solid var(--line);
}

.page-faq .contact-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.page-faq .contact-key {
  flex: 0 0 100%;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.page-faq .contact-value {
  font-family: var(--font-data);
  font-size: clamp(16px, 2.2vw, 20px);
  font-weight: 700;
  letter-spacing: -0.01em;
  word-break: break-all;
  min-width: 0;
}

.page-faq .contact-value--text {
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 400;
  line-height: 1.7;
  word-break: normal;
}

.page-faq .contact-panel {
  border: var(--border) solid var(--ink);
  box-shadow: var(--shadow-sm);
  padding: 20px 18px 22px;
}

.page-faq .contact-panel .panel-title {
  margin: 0 0 12px;
  font-size: 19px;
  font-weight: 800;
  line-height: 1.3;
}

.page-faq .contact-panel .panel-text {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.8;
}

.page-faq .contact-panel-link {
  display: inline-block;
  margin-top: 4px;
  font-size: 14px;
  font-weight: 700;
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-faq .contact-panel-link:hover,
.page-faq .contact-panel-link:focus-visible {
  color: var(--ember);
}

.page-faq .faq-next {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(24px, 4vw, 36px);
}

/* ---------- 响应式 ---------- */
@media (min-width: 600px) {
  .page-faq .faq-locator {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .page-faq .prep-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-faq .group-head {
    grid-template-columns: 90px minmax(0, 1fr);
    align-items: start;
    column-gap: 24px;
  }

  .page-faq .group-num {
    grid-row: 1 / span 2;
  }

  .page-faq .band-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
  }

  .page-faq .faq-a {
    padding: 18px 22px 22px;
  }

  .page-faq .faq-q {
    padding: 17px 22px;
    font-size: 18px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    column-gap: 48px;
    align-items: end;
  }

  .page-faq .faq-hero-side {
    display: block;
    justify-self: end;
    align-self: end;
    padding-bottom: 8px;
  }

  .page-faq .side-note {
    margin: 0;
    writing-mode: vertical-rl;
    font-family: var(--font-data);
    font-size: 12px;
    letter-spacing: 0.18em;
    color: var(--muted);
    white-space: nowrap;
  }

  .page-faq .contact-block {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 40px;
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-locator {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
  }

  .page-faq .prep-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
  }

  .page-faq .faq-list {
    gap: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .locator-card,
  .page-faq .faq-q,
  .page-faq .faq-item,
  .page-faq .faq-q-icon::before,
  .page-faq .faq-q-icon::after,
  .page-faq .faq-group {
    transition: none;
  }
}