.page-faq {
  --faq-amber-ink: #B45309;
  --faq-cyan-ink: #0E7490;
  --faq-side: 240px;
  --faq-gap: clamp(24px, 3.5vw, 56px);
  background: var(--cream);
  color: var(--ink);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding-block: clamp(18px, 3vw, 32px) clamp(34px, 5vw, 64px);
  background:
    radial-gradient(95% 120% at 100% 0%, rgba(167, 139, 250, 0.18), transparent 58%),
    radial-gradient(85% 100% at 0% 100%, rgba(34, 211, 238, 0.13), transparent 62%);
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(to right, var(--line-soft) 1px, transparent 1px);
  background-size: calc(100% / 12) 100%;
  opacity: 0.55;
  pointer-events: none;
}

.page-faq .faq-hero > .shell {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
  margin-top: clamp(16px, 3vw, 30px);
}

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 5.4vw, 54px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  margin: 14px 0 0;
  color: var(--deep);
}

.page-faq .faq-hero__intro {
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  max-width: 58ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
  color: var(--text-muted);
}

/* 快速浏览面板 */
.page-faq .faq-glance {
  position: relative;
  overflow: hidden;
  padding: clamp(20px, 3vw, 28px);
  border-radius: var(--radius-l);
  background: linear-gradient(160deg, var(--deep) 0%, var(--deep-dark) 100%);
  color: var(--mist);
  box-shadow: 0 28px 50px -34px rgba(11, 37, 69, 0.7);
}

.page-faq .faq-glance::before {
  content: "";
  position: absolute;
  top: -60px;
  right: -50px;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(34, 211, 238, 0.34), transparent 68%);
  pointer-events: none;
}

.page-faq .faq-glance__label {
  position: relative;
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-faq .faq-glance__list {
  position: relative;
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-glance__list li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-invert);
  font-size: 14px;
  color: rgba(234, 244, 244, 0.74);
}

.page-faq .faq-glance__list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-faq .faq-glance__list b {
  font-size: 19px;
  font-weight: 700;
  color: var(--amber);
  letter-spacing: -0.01em;
}

.page-faq .faq-glance__note {
  position: relative;
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line-invert);
  font-size: 12.5px;
  line-height: 1.7;
  color: rgba(234, 244, 244, 0.7);
}

/* ---------- 双栏正文 ---------- */
.page-faq .faq-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--faq-gap);
  padding-block: clamp(30px, 5vw, 68px) clamp(48px, 7vw, 96px);
}

.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--slate);
}

.page-faq .section-index {
  list-style: none;
  margin: 0;
  padding: 0 0 6px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .section-index li {
  flex: none;
}

.page-faq .section-index a {
  display: block;
  white-space: nowrap;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  color: var(--deep);
  text-decoration: none;
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease), background 0.25s var(--ease);
}

.page-faq .section-index a:hover,
.page-faq .section-index a:focus-visible {
  border-color: var(--cyan);
  color: var(--faq-cyan-ink);
}

.page-faq .section-index a.is-active,
.page-faq .section-index a[aria-current] {
  background: var(--deep);
  border-color: var(--deep);
  color: var(--mist);
}

.page-faq .faq-content {
  min-width: 0;
}

.page-faq .faq-section {
  scroll-margin-top: 96px;
}

.page-faq .faq-section + .faq-section {
  margin-top: clamp(40px, 6vw, 76px);
  padding-top: clamp(28px, 4vw, 48px);
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-h2 {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 10px 12px;
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 3.2vw, 32px);
  font-weight: 700;
  line-height: 1.28;
  letter-spacing: -0.015em;
  color: var(--deep);
}

.page-faq .faq-h2__num {
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--faq-cyan-ink);
}

.page-faq .faq-lead {
  margin: 14px 0 0;
  max-width: 66ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--text-muted);
}

.page-faq .faq-note {
  margin: 16px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--cyan);
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--text-muted);
  max-width: 66ch;
}

.page-faq .faq-note a {
  color: var(--faq-cyan-ink);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .price {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--faq-amber-ink);
  letter-spacing: -0.01em;
}

/* ---------- 周期速查表 ---------- */
.page-faq .faq-table-wrap {
  margin-top: clamp(18px, 3vw, 26px);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: var(--mist);
  overflow-x: auto;
}

.page-faq .faq-table {
  width: 100%;
  min-width: 540px;
  border-collapse: collapse;
  font-size: 14.5px;
}

.page-faq .faq-table thead th {
  text-align: left;
  padding: 14px 18px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

.page-faq .faq-table tbody th,
.page-faq .faq-table tbody td {
  padding: 16px 18px;
  text-align: left;
  vertical-align: top;
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-table tbody tr:first-child th,
.page-faq .faq-table tbody tr:first-child td {
  border-top: 0;
}

.page-faq .faq-table tbody th {
  font-weight: 600;
  color: var(--deep);
  white-space: nowrap;
}

.page-faq .faq-table tbody td {
  color: var(--ink);
  line-height: 1.65;
}

.page-faq .faq-table tbody tr:hover {
  background: rgba(34, 211, 238, 0.06);
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: clamp(26px, 4vw, 42px) 0 0;
}

.page-faq .faq-figure .media-frame {
  border-radius: var(--radius-m);
  overflow: hidden;
}

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

.page-faq .faq-figure figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--slate);
}

/* ---------- 回访收费 ---------- */
.page-faq .fee-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: clamp(18px, 3vw, 28px);
}

.page-faq .fee {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 22px 20px 24px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-m);
  background: var(--mist);
}

.page-faq .fee__kicker {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--slate);
}

.page-faq .fee__name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--deep);
}

.page-faq .fee__price {
  margin: 4px 0 0;
  font-size: 26px;
  line-height: 1.2;
}

.page-faq .fee__unit {
  font-size: 12px;
  font-weight: 400;
  color: var(--slate);
  margin-left: 2px;
}

.page-faq .fee__desc {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-muted);
}

.page-faq .fee--free {
  background: linear-gradient(165deg, var(--deep) 0%, var(--deep-dark) 100%);
  border-color: transparent;
  box-shadow: 0 22px 42px -32px rgba(11, 37, 69, 0.72);
}

.page-faq .fee--free .fee__kicker {
  color: var(--cyan);
}

.page-faq .fee--free .fee__name {
  color: var(--mist);
}

.page-faq .fee--free .price {
  color: var(--amber);
}

.page-faq .fee--free .fee__desc {
  color: rgba(234, 244, 244, 0.76);
}

/* ---------- 通道收藏 ---------- */
.page-faq .chan-list {
  list-style: none;
  margin: clamp(18px, 3vw, 26px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-faq .chan {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 12px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .chan__num {
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--slate);
  padding-top: 6px;
}

.page-faq .chan__title {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 16.5px;
  font-weight: 700;
  color: var(--deep);
}

.page-faq .chan__price {
  font-size: 17px;
}

.page-faq .chan__unit {
  font-size: 11.5px;
  font-weight: 400;
  color: var(--slate);
}

.page-faq .chan__body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text-muted);
}

/* ---------- 首次访问 ---------- */
.page-faq .start-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
  margin-top: clamp(18px, 3vw, 28px);
}

.page-faq .start-text__p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--text-muted);
  max-width: 56ch;
}

.page-faq .start-text .copy-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 16px;
}

.page-faq .start-contact {
  margin: 12px 0 0;
  font-size: 13px;
  color: var(--deep);
  overflow-wrap: anywhere;
}

.page-faq .start-more {
  margin: 14px 0 0;
  font-size: 14px;
}

.page-faq .start-more a {
  color: var(--faq-cyan-ink);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-faq .start-figure {
  margin: 0;
}

.page-faq .start-figure .media-frame {
  border-radius: var(--radius-m);
  overflow: hidden;
}

/* ---------- 折叠问答 ---------- */
.page-faq .qa-list {
  margin-top: clamp(20px, 3vw, 30px);
  border-top: 1px solid var(--line);
}

.page-faq .qa {
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .qa summary {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 16px 0;
  list-style: none;
  cursor: pointer;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--deep);
  transition: color 0.2s var(--ease);
}

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

.page-faq .qa summary:hover,
.page-faq .qa summary:focus-visible {
  color: var(--faq-cyan-ink);
}

.page-faq .qa__num {
  flex: none;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--slate);
}

.page-faq .qa__q {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .qa__sign {
  position: relative;
  flex: none;
  align-self: center;
  width: 13px;
  height: 13px;
  margin-left: auto;
}

.page-faq .qa__sign::before,
.page-faq .qa__sign::after {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 13px;
  height: 2px;
  border-radius: 2px;
  background: var(--slate);
  transition: transform 0.25s var(--ease), background 0.25s var(--ease);
}

.page-faq .qa__sign::after {
  transform: rotate(90deg);
}

.page-faq .qa[open] .qa__sign::after {
  transform: rotate(0deg);
}

.page-faq .qa[open] .qa__sign::before,
.page-faq .qa[open] .qa__sign::after {
  background: var(--faq-cyan-ink);
}

.page-faq .qa__a {
  padding: 0 0 20px 30px;
  animation: faq-fade 0.3s var(--ease);
}

.page-faq .qa__a p {
  margin: 0;
  max-width: 68ch;
  font-size: 14.5px;
  line-height: 1.88;
  color: var(--text-muted);
}

.page-faq .qa__a a {
  color: var(--faq-cyan-ink);
  text-decoration: underline;
  text-underline-offset: 3px;
}

@keyframes faq-fade {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------- 帮助面板 ---------- */
.page-faq .help-panel {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 4vw, 48px);
  border-radius: var(--radius-l);
  background: linear-gradient(150deg, var(--deep) 0%, var(--deep-dark) 100%);
  color: var(--mist);
}

.page-faq .help-panel::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -60px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(167, 139, 250, 0.32), transparent 70%);
  pointer-events: none;
}

.page-faq .help-panel > * {
  position: relative;
}

.page-faq .help-panel .eyebrow {
  color: rgba(234, 244, 244, 0.7);
}

.page-faq .help-panel .eyebrow__index {
  color: var(--cyan);
}

.page-faq .help-panel__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 3.2vw, 30px);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.015em;
  color: var(--mist);
}

.page-faq .help-panel__text {
  margin: 14px 0 0;
  max-width: 58ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(234, 244, 244, 0.76);
}

.page-faq .help-channels {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-faq .help-channels li {
  display: grid;
  gap: 4px;
  padding-top: 12px;
  border-top: 1px solid var(--line-invert);
}

.page-faq .help-channels__key {
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-faq .help-channels__val {
  font-size: 14px;
  font-weight: 500;
  color: var(--mist);
  overflow-wrap: anywhere;
}

.page-faq .help-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-faq .help-actions .btn--ghost {
  color: var(--mist);
  border-color: var(--line-invert);
}

.page-faq .help-actions .btn--ghost:hover,
.page-faq .help-actions .btn--ghost:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-faq .fee-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .chan {
    grid-template-columns: 48px minmax(0, 1fr);
    gap: 20px;
    padding: 22px 0;
  }

  .page-faq .help-channels {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.85fr);
    gap: clamp(32px, 5vw, 72px);
    align-items: start;
  }

  .page-faq .start-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 36px;
    align-items: center;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-body {
    grid-template-columns: var(--faq-side) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 104px;
    align-self: start;
    padding-right: 12px;
  }

  .page-faq .section-index {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .section-index li {
    flex: 1 1 auto;
  }

  .page-faq .section-index a {
    border: 0;
    border-left: 2px solid var(--line);
    border-radius: 0;
    padding: 10px 0 10px 16px;
    white-space: normal;
    font-size: 13.5px;
    color: var(--text-muted);
    line-height: 1.5;
  }

  .page-faq .section-index a:hover,
  .page-faq .section-index a:focus-visible {
    border-left-color: var(--cyan);
    color: var(--deep);
  }

  .page-faq .section-index a.is-active,
  .page-faq .section-index a[aria-current] {
    background: transparent;
    border-left-color: var(--deep);
    color: var(--deep);
    font-weight: 600;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa__a {
    animation: none;
  }

  .page-faq .section-index a,
  .page-faq .qa summary,
  .page-faq .qa__sign::before,
  .page-faq .qa__sign::after {
    transition: none;
  }
}