.page-faq {
  --faq-gap: clamp(18px, 2.4vw, 34px);
  --faq-indent: 60px;
  display: block;
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(30px, 5.5vw, 76px) 0 clamp(26px, 4vw, 54px);
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(900px 340px at 10% -12%, rgba(0, 229, 255, 0.14), transparent 70%),
    radial-gradient(680px 300px at 94% 4%, rgba(255, 61, 174, 0.10), transparent 72%),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.035) 0 1px, transparent 1px 92px);
}

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

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 5.6vw, 64px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--text);
  margin: 18px 0 0;
  max-width: 20ch;
}

.page-faq .faq-hero-lede {
  margin-top: clamp(16px, 2vw, 24px);
  max-width: 64ch;
  color: var(--muted);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
}

.page-faq .faq-kpis {
  list-style: none;
  margin: clamp(26px, 4vw, 42px) 0 0;
  padding: 1px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1px;
  background: var(--line-soft);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.page-faq .faq-kpis > li {
  background: var(--panel);
  padding: 15px 16px;
  display: grid;
  gap: 4px;
  min-width: 0;
}

.page-faq .faq-kpis > li:first-child {
  background: linear-gradient(140deg, rgba(0, 229, 255, 0.10), transparent 75%), var(--panel);
}

.page-faq .faq-kpis > li:last-child {
  background: linear-gradient(140deg, rgba(122, 92, 255, 0.12), transparent 75%), var(--panel);
}

.page-faq .faq-kpis .kpi-value {
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1;
  color: var(--text);
  letter-spacing: -0.01em;
}

/* ---------- 主体布局 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 3.6vw, 52px);
  padding-top: clamp(30px, 4.5vw, 60px);
}

/* ---------- 左侧索引 ---------- */
.page-faq .faq-index {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  background: rgba(11, 18, 32, 0.7);
  padding: 14px 12px;
}

.page-faq .faq-index-title {
  margin: 0 0 10px 8px;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-faq .faq-index-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 3px;
}

.page-faq .faq-index-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  border-radius: var(--radius-sm);
  border-left: 2px solid transparent;
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.45;
  transition: color 0.16s var(--ease), background 0.16s var(--ease), border-color 0.16s var(--ease);
}

.page-faq .faq-index-no {
  font-size: 11px;
  color: var(--violet);
  letter-spacing: 0.06em;
  flex: none;
}

.page-faq .faq-index-link:hover,
.page-faq .faq-index-link:focus-visible {
  color: var(--text);
  background: rgba(0, 229, 255, 0.07);
  border-left-color: rgba(0, 229, 255, 0.5);
  outline: none;
}

.page-faq .faq-index-link.is-active {
  color: var(--text);
  background: linear-gradient(90deg, rgba(0, 229, 255, 0.14), transparent 88%);
  border-left-color: var(--cyan);
}

.page-faq .faq-index-link.is-active .faq-index-no {
  color: var(--amber);
}

/* ---------- 舱段 ---------- */
.page-faq .faq-body {
  min-width: 0;
}

.page-faq .faq-section {
  scroll-margin-top: calc(var(--header-h) + 26px);
  padding-top: clamp(8px, 1.6vw, 18px);
}

.page-faq .faq-section + .faq-section {
  padding-top: clamp(40px, 5.5vw, 76px);
}

.page-faq .faq-section .section-head {
  border-left: 2px solid rgba(122, 92, 255, 0.4);
  padding-left: clamp(14px, 1.8vw, 22px);
  transition: border-color 0.3s var(--ease);
}

.page-faq .faq-section.is-lit .section-head {
  border-left-color: var(--amber);
}

.page-faq .faq-section .section-num {
  color: var(--violet);
  font-size: 12px;
  letter-spacing: 0.18em;
  margin: 0 0 6px;
  transition: color 0.3s var(--ease), text-shadow 0.3s var(--ease);
}

.page-faq .faq-section.is-lit .section-num {
  color: var(--amber);
  text-shadow: 0 0 14px rgba(255, 176, 32, 0.4);
}

.page-faq .faq-section .section-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 3.4vw, 40px);
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--text);
  margin: 0;
}

.page-faq .faq-section .section-lede {
  margin: 12px 0 0;
  max-width: 62ch;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}

/* ---------- 配图 ---------- */
.page-faq .faq-figure {
  margin: clamp(20px, 2.8vw, 32px) 0 clamp(18px, 2.4vw, 26px);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--panel);
  position: relative;
}

.page-faq .faq-figure::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, transparent 55%, rgba(5, 7, 14, 0.55));
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 1200 / 650;
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: 10px;
  margin-top: clamp(18px, 2.4vw, 26px);
}

.page-faq .qa {
  border: 1px solid var(--line-soft);
  border-left: 2px solid rgba(122, 92, 255, 0.42);
  border-radius: var(--radius-md);
  background: var(--panel);
  overflow: hidden;
  transition: border-color 0.24s var(--ease), background 0.24s var(--ease);
}

.page-faq .qa:hover {
  border-color: rgba(0, 229, 255, 0.32);
}

.page-faq .qa[open] {
  border-color: rgba(0, 229, 255, 0.34);
  border-left-color: var(--cyan);
  background: linear-gradient(180deg, rgba(0, 229, 255, 0.055), transparent 46%), var(--panel);
}

.page-faq .qa summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: start;
  gap: 14px;
  padding: 15px 18px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .qa summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-faq .qa-mark {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  border: 1px solid rgba(122, 92, 255, 0.45);
  background: rgba(122, 92, 255, 0.16);
  color: #b9a7ff;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  flex: none;
  transition: color 0.24s var(--ease), background 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-faq .qa[open] .qa-mark {
  border-color: rgba(0, 229, 255, 0.55);
  background: rgba(0, 229, 255, 0.16);
  color: var(--cyan);
}

.page-faq .qa-q {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(15px, 1.6vw, 17px);
  font-weight: 700;
  line-height: 1.55;
  color: var(--text);
}

.page-faq .qa-toggle {
  position: relative;
  width: 16px;
  height: 16px;
  flex: none;
  margin-top: 5px;
}

.page-faq .qa-toggle::before,
.page-faq .qa-toggle::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--muted);
  transform: translate(-50%, -50%);
  transition: transform 0.24s var(--ease), background 0.24s var(--ease);
}

.page-faq .qa-toggle::before {
  width: 12px;
  height: 2px;
}

.page-faq .qa-toggle::after {
  width: 2px;
  height: 12px;
}

.page-faq .qa[open] .qa-toggle::before {
  background: var(--cyan);
}

.page-faq .qa[open] .qa-toggle::after {
  transform: translate(-50%, -50%) scaleY(0);
}

.page-faq .qa-a {
  position: relative;
  padding: 0 18px 18px var(--faq-indent);
  color: var(--muted);
  font-size: 15px;
  line-height: 1.85;
  animation: faq-scan 0.36s var(--ease) both;
}

.page-faq .qa-a p {
  margin: 0;
}

.page-faq .qa-a::before {
  content: "";
  position: absolute;
  left: 32px;
  top: 2px;
  bottom: 16px;
  width: 1px;
  background: linear-gradient(180deg, rgba(0, 229, 255, 0.55), rgba(0, 229, 255, 0));
}

.page-faq .qa-a b {
  color: var(--text);
  font-weight: 600;
}

@keyframes faq-scan {
  from {
    opacity: 0;
    transform: translateY(-5px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 排查步骤 ---------- */
.page-faq .faq-steps {
  list-style: none;
  margin: clamp(20px, 2.8vw, 30px) 0 0;
  padding: 0;
}

.page-faq .faq-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px dashed var(--line-soft);
}

.page-faq .faq-step:first-child {
  padding-top: 0;
}

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

.page-faq .faq-step-no {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--violet);
  padding-top: 2px;
  min-width: 26px;
}

.page-faq .faq-step-body {
  min-width: 0;
}

.page-faq .faq-step-title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.5;
}

.page-faq .faq-step-body p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}

.page-faq .faq-step-body b {
  color: var(--text);
  font-weight: 600;
}

/* ---------- 客服对照表 ---------- */
.page-faq .faq-table-wrap {
  margin-top: clamp(20px, 2.8vw, 30px);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  background: var(--panel);
  overflow-x: auto;
}

.page-faq .faq-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 15px;
}

.page-faq .faq-table caption {
  text-align: left;
  padding: 14px 16px 12px;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.1em;
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-table th {
  text-align: left;
  padding: 11px 16px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--muted);
  background: var(--row);
  border-bottom: 1px solid var(--line-row);
  white-space: nowrap;
}

.page-faq .faq-table td {
  padding: 13px 16px;
  color: var(--muted);
  border-bottom: 1px solid var(--line-row);
  vertical-align: top;
  line-height: 1.7;
}

.page-faq .faq-table tbody tr:nth-child(even) td {
  background: rgba(20, 28, 46, 0.45);
}

.page-faq .faq-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-faq .faq-table td:first-child {
  color: var(--text);
  font-weight: 600;
  min-width: 150px;
}

.page-faq .faq-note {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}

/* ---------- 提交清单 ---------- */
.page-faq .faq-checklist {
  list-style: none;
  margin: clamp(20px, 2.8vw, 30px) 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-check label {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 13px;
  align-items: start;
  padding: 13px 16px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  background: var(--panel);
  cursor: pointer;
  transition: border-color 0.16s var(--ease), background 0.16s var(--ease);
}

.page-faq .faq-check label:hover {
  border-color: rgba(0, 229, 255, 0.32);
}

.page-faq .faq-check input:focus-visible ~ .faq-check-mark {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-faq .faq-check-mark {
  position: relative;
  width: 20px;
  height: 20px;
  margin-top: 1px;
  border-radius: 6px;
  border: 1px solid rgba(147, 166, 196, 0.42);
  display: grid;
  place-items: center;
  transition: border-color 0.16s var(--ease), background 0.16s var(--ease);
}

.page-faq .faq-check-mark::after {
  content: "";
  width: 10px;
  height: 5px;
  margin-top: -2px;
  border-left: 2px solid var(--green);
  border-bottom: 2px solid var(--green);
  transform: rotate(-45deg) scale(0.4);
  opacity: 0;
  transition: opacity 0.16s var(--ease), transform 0.16s var(--ease);
}

.page-faq .faq-check input:checked ~ .faq-check-mark {
  border-color: rgba(34, 224, 161, 0.7);
  background: rgba(34, 224, 161, 0.14);
}

.page-faq .faq-check input:checked ~ .faq-check-mark::after {
  opacity: 1;
  transform: rotate(-45deg) scale(1);
}

.page-faq .faq-check input:checked ~ .faq-check-text {
  color: var(--text);
}

.page-faq .faq-check-text {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
  transition: color 0.16s var(--ease);
}

.page-faq .faq-check-text b {
  color: var(--text);
  font-weight: 600;
}

/* ---------- 收尾动作 ---------- */
.page-faq .faq-cta {
  margin-top: clamp(24px, 3vw, 36px);
  padding: clamp(20px, 2.6vw, 30px);
  border: 1px solid rgba(0, 229, 255, 0.24);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(520px 220px at 88% -30%, rgba(255, 61, 174, 0.14), transparent 70%),
    linear-gradient(160deg, rgba(0, 229, 255, 0.08), transparent 60%),
    var(--panel);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 18px;
}

.page-faq .faq-cta-text {
  flex: 1 1 320px;
  margin: 0;
  color: var(--text);
  font-size: 15px;
  line-height: 1.75;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-hero h1 {
    max-width: 18ch;
  }

  .page-faq .faq-figure {
    margin-bottom: 28px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-layout {
    grid-template-columns: 236px minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--header-h) + 26px);
  }

  .page-faq .faq-steps {
    column-count: 2;
    column-gap: clamp(28px, 4vw, 52px);
  }

  .page-faq .faq-step {
    break-inside: avoid;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-layout {
    grid-template-columns: 250px minmax(0, 1fr);
    gap: 56px;
  }
}

@media (max-width: 899px) {
  .page-faq {
    --faq-indent: 52px;
  }

  .page-faq .faq-index {
    position: static;
  }

  .page-faq .faq-index-list {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    display: grid;
  }
}

@media (max-width: 560px) {
  .page-faq {
    --faq-indent: 18px;
  }

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

  .page-faq .qa-a::before {
    display: none;
  }

  .page-faq .qa summary {
    gap: 10px;
    padding: 14px;
  }

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

  .page-faq .faq-cta .btn {
    width: 100%;
    justify-content: center;
    text-align: center;
  }
}

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

  .page-faq .qa,
  .page-faq .qa-mark,
  .page-faq .qa-toggle::before,
  .page-faq .qa-toggle::after,
  .page-faq .faq-index-link,
  .page-faq .faq-check label,
  .page-faq .faq-check-mark {
    transition: none;
  }
}