.page-faq {
  --faq-hair: rgba(167, 182, 196, 0.16);
  --faq-grid: rgba(167, 182, 196, 0.055);
  --faq-panel: #0D1B2C;
  --faq-panel-deep: #14283D;
  --faq-gap: clamp(20px, 3vw, 36px);
  background: var(--ink-900);
  color: var(--fog-100);
  font-family: var(--font-body);
}

.page-faq .container {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gut);
}

.page-faq .mono {
  font-family: var(--font-mono);
}

.page-faq .eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan-400);
  margin: 0 0 12px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: calc(var(--header-h) + clamp(28px, 5vw, 60px)) 0 clamp(32px, 4.5vw, 60px);
  overflow: hidden;
  isolation: isolate;
  background-image:
    linear-gradient(var(--faq-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--faq-grid) 1px, transparent 1px);
  background-size: 84px 84px;
  background-position: center top;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -32%;
  right: -14%;
  width: min(760px, 92vw);
  height: min(760px, 92vw);
  border-radius: 50%;
  background: radial-gradient(circle at 50% 50%, rgba(53, 224, 212, 0.17), rgba(53, 224, 212, 0) 68%);
  z-index: -1;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  bottom: -42%;
  left: -18%;
  width: min(560px, 80vw);
  height: min(560px, 80vw);
  border-radius: 50%;
  background: radial-gradient(circle at 50% 50%, rgba(243, 182, 94, 0.13), rgba(243, 182, 94, 0) 70%);
  z-index: -1;
}

.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--rock-300);
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-faq .breadcrumb a {
  color: var(--cyan-400);
  text-decoration: none;
}

.page-faq .breadcrumb a:hover,
.page-faq .breadcrumb a:focus-visible {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-hero-grid {
  display: grid;
  gap: clamp(24px, 4vw, 46px);
  align-items: end;
}

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

.page-faq .faq-title {
  margin: 0 0 clamp(16px, 2.4vw, 24px);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(40px, 8.4vw, 96px);
  line-height: 0.98;
  letter-spacing: -0.02em;
  color: var(--fog-100);
}

.page-faq .faq-title-accent {
  display: inline;
  color: var(--cyan-400);
}

.page-faq .faq-lede {
  margin: 0 0 clamp(18px, 2.6vw, 28px);
  max-width: 46ch;
  font-size: 17px;
  line-height: 1.8;
  color: var(--rock-300);
}

.page-faq .faq-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-hero-meta .pill {
  display: inline-flex;
  align-items: center;
  padding: 7px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--faq-hair);
  background: rgba(13, 27, 44, 0.7);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--fog-100);
  margin: 0;
}

.page-faq .faq-pill-amber {
  border-color: rgba(243, 182, 94, 0.42);
  color: var(--amber-400);
}

.page-faq .faq-hero-figure {
  margin: 0;
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--faq-hair);
  background: var(--faq-panel);
  aspect-ratio: 14 / 9;
}

.page-faq .faq-hero-figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(200deg, rgba(53, 224, 212, 0.14), rgba(6, 14, 25, 0.55) 72%);
  pointer-events: none;
}

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

/* ---------- 搜索 ---------- */
.page-faq .faq-search {
  margin-top: clamp(26px, 3.6vw, 44px);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  padding: 12px clamp(16px, 2vw, 24px);
  border-radius: var(--radius-pill);
  background: rgba(6, 14, 25, 0.74);
  border: 1px solid var(--line-mid);
}

.page-faq .faq-search-label {
  flex: 0 0 auto;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cyan-400);
  text-transform: uppercase;
}

.page-faq .faq-search-input {
  flex: 1 1 200px;
  min-width: 0;
  padding: 8px 4px;
  border: 0;
  background: transparent;
  color: var(--fog-100);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.4;
}

.page-faq .faq-search-input::placeholder {
  color: rgba(167, 182, 196, 0.72);
}

.page-faq .faq-search-input:focus-visible {
  outline: 2px solid var(--cyan-400);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.page-faq .faq-search-hint {
  flex: 1 1 100%;
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--rock-300);
}

/* ---------- 工作区 ---------- */
.page-faq .faq-workspace {
  padding-bottom: clamp(48px, 7vw, 96px);
}

.page-faq .faq-layout {
  display: grid;
  gap: var(--faq-gap);
  align-items: start;
}

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

.page-faq .faq-rail-head {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan-400);
}

.page-faq .faq-scene-list {
  list-style: none;
  margin: 0 0 clamp(20px, 2.6vw, 28px);
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-scene {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--faq-hair);
  background: rgba(13, 27, 44, 0.6);
  color: var(--fog-100);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.3;
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-faq .faq-scene-no {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--cyan-400);
}

.page-faq .faq-scene-count {
  font-size: 11px;
  color: rgba(167, 182, 196, 0.7);
}

.page-faq .faq-scene:hover,
.page-faq .faq-scene:focus-visible {
  border-color: var(--cyan-400);
  transform: translateY(-2px);
}

.page-faq .faq-scene:focus-visible {
  outline: 2px solid var(--cyan-400);
  outline-offset: 2px;
}

/* ---------- 回访条 ---------- */
.page-faq .faq-recall {
  border-radius: var(--radius-md);
  padding: 16px 18px;
  background: linear-gradient(158deg, rgba(243, 182, 94, 0.18), rgba(243, 182, 94, 0.05));
  border: 1px solid rgba(243, 182, 94, 0.4);
}

.page-faq .faq-recall-eyebrow {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--amber-400);
}

.page-faq .faq-recall-text {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--fog-100);
}

.page-faq .faq-recall-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--amber-400);
  text-decoration: none;
  border-bottom: 1px solid rgba(243, 182, 94, 0.5);
  padding-bottom: 2px;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-recall-link:hover,
.page-faq .faq-recall-link:focus-visible {
  color: var(--amber-600);
  border-color: var(--amber-600);
}

.page-faq .faq-recall-link:focus-visible {
  outline: 2px solid var(--cyan-400);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* ---------- 内容流 ---------- */
.page-faq .faq-flow {
  min-width: 0;
}

.page-faq .faq-sec-head {
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-faq .faq-sec-head h2 {
  margin: 6px 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 3.6vw, 42px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--fog-100);
}

.page-faq .faq-sec-lede {
  margin: 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--rock-300);
}

/* ---------- 24 项分类 ---------- */
.page-faq .faq-overview {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid var(--faq-hair);
  background: var(--faq-panel);
  padding: clamp(22px, 3.4vw, 40px);
}

.page-faq .faq-overview-texture {
  position: absolute;
  top: -4%;
  right: -12%;
  width: min(480px, 72%);
  height: auto;
  opacity: 0.16;
  pointer-events: none;
  border-radius: 50%;
}

.page-faq .faq-groups {
  position: relative;
  display: grid;
  gap: clamp(20px, 2.6vw, 30px);
}

.page-faq .faq-group {
  padding-top: 14px;
  border-top: 1px solid var(--faq-hair);
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-faq .faq-group-title {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--fog-100);
}

.page-faq .faq-group-no {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cyan-400);
}

.page-faq .faq-cat-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
}

.page-faq .faq-cat {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 0;
  border-bottom: 1px solid var(--faq-hair);
  scroll-margin-top: calc(var(--header-h) + 24px);
  transition: background-color var(--dur) var(--ease);
}

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

.page-faq .faq-cat-no {
  flex: 0 0 auto;
  min-width: 2.1em;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan-400);
}

.page-faq .faq-cat-name {
  flex: 1 1 auto;
  font-size: 15px;
  line-height: 1.55;
  color: var(--fog-100);
}

.page-faq .faq-cat:target {
  background: rgba(53, 224, 212, 0.09);
}

.page-faq .faq-copy {
  flex: 0 0 auto;
  padding: 5px 10px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--faq-hair);
  background: transparent;
  color: var(--rock-300);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-copy:hover,
.page-faq .faq-copy:focus-visible {
  color: var(--cyan-400);
  border-color: var(--cyan-400);
}

.page-faq .faq-copy:focus-visible {
  outline: 2px solid var(--cyan-400);
  outline-offset: 2px;
}

.page-faq .faq-copy[data-copied] {
  color: var(--cyan-400);
  border-color: var(--cyan-600);
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-answers {
  margin-top: clamp(30px, 4.4vw, 54px);
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-faq .faq-item {
  border-bottom: 1px solid var(--faq-hair);
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-faq .faq-item[open] {
  border-left: 2px solid var(--cyan-400);
  padding-left: clamp(12px, 2vw, 20px);
  margin-left: calc(clamp(12px, 2vw, 20px) * -1);
  background: linear-gradient(90deg, rgba(53, 224, 212, 0.07), rgba(53, 224, 212, 0) 58%);
}

.page-faq .faq-item summary {
  position: relative;
  list-style: none;
  cursor: pointer;
  padding: 18px 36px 18px 0;
  font-size: 16.5px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--fog-100);
  transition: color var(--dur) var(--ease);
}

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

.page-faq .faq-item summary::after {
  content: "";
  position: absolute;
  right: 10px;
  top: 50%;
  width: 8px;
  height: 8px;
  border-right: 1.5px solid var(--cyan-400);
  border-bottom: 1.5px solid var(--cyan-400);
  transform: translateY(-70%) rotate(45deg);
  transition: transform var(--dur) var(--ease);
}

.page-faq .faq-item[open] summary::after {
  transform: translateY(-30%) rotate(-135deg);
}

.page-faq .faq-item summary:hover {
  color: var(--cyan-400);
}

.page-faq .faq-item summary:focus-visible {
  outline: 2px solid var(--cyan-400);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.page-faq .faq-answer {
  padding: 0 0 20px;
}

.page-faq .faq-answer p {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--fog-100);
  opacity: 0.84;
}

.page-faq .faq-answer a {
  display: inline-block;
  margin-right: 16px;
  font-size: 14px;
  color: var(--cyan-400);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-faq .faq-answer a:hover,
.page-faq .faq-answer a:focus-visible {
  color: var(--cyan-600);
}

.page-faq .faq-answer a:focus-visible {
  outline: 2px solid var(--cyan-400);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- 指南联动 ---------- */
.page-faq .faq-guide {
  margin-top: clamp(30px, 4.4vw, 54px);
  border-radius: var(--radius-lg);
  padding: clamp(22px, 3.4vw, 40px);
  border: 1px solid rgba(53, 224, 212, 0.26);
  background:
    radial-gradient(120% 140% at 100% 0%, rgba(53, 224, 212, 0.14), rgba(53, 224, 212, 0) 58%),
    var(--faq-panel-deep);
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-faq .faq-guide h2 {
  margin: 6px 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 3.2vw, 36px);
  line-height: 1.14;
  color: var(--fog-100);
}

.page-faq .faq-guide-lede {
  margin: 0 0 18px;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--rock-300);
}

.page-faq .faq-guide-list {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-guide-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--fog-100);
}

.page-faq .faq-guide-list .mono {
  flex: 0 0 auto;
  min-width: 1.6em;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan-400);
  padding-top: 3px;
}

.page-faq .faq-guide-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-faq .faq-guide-btn:hover,
.page-faq .faq-guide-btn:focus-visible {
  transform: translateY(-2px);
}

/* ---------- 人工客服 ---------- */
.page-faq .faq-support {
  padding: clamp(40px, 6vw, 82px) 0;
  background: var(--ink-950);
  border-top: 1px solid var(--faq-hair);
}

.page-faq .faq-support-grid {
  display: grid;
  gap: clamp(24px, 3.4vw, 44px);
  align-items: start;
}

.page-faq .faq-support-intro h2 {
  margin: 6px 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 3.6vw, 42px);
  line-height: 1.1;
  color: var(--fog-100);
}

.page-faq .faq-support-lede {
  margin: 0 0 14px;
  max-width: 48ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--rock-300);
}

.page-faq .faq-support-note {
  margin: 0;
  padding-left: 14px;
  border-left: 2px solid rgba(243, 182, 94, 0.55);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--rock-300);
}

.page-faq .faq-support-card {
  border-radius: var(--radius-lg);
  border: 1px solid var(--faq-hair);
  background: var(--faq-panel);
  padding: clamp(18px, 2.6vw, 30px);
}

.page-faq .faq-contact-list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .faq-contact-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--faq-hair);
}

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

.page-faq .faq-contact-label {
  flex: 0 0 auto;
  min-width: 5.4em;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan-400);
}

.page-faq .faq-contact-value {
  flex: 1 1 200px;
  min-width: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.7;
  color: var(--fog-100);
  word-break: break-word;
}

.page-faq .faq-contact-row--wide {
  align-items: flex-start;
}

.page-faq .faq-support-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  padding-top: 16px;
  border-top: 1px solid var(--faq-hair);
}

.page-faq .faq-support-links a {
  font-size: 14px;
  color: var(--cyan-400);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 224, 212, 0.4);
  padding-bottom: 2px;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-support-links a:hover,
.page-faq .faq-support-links a:focus-visible {
  color: var(--cyan-600);
  border-color: var(--cyan-600);
}

.page-faq .faq-support-links a:focus-visible {
  outline: 2px solid var(--cyan-400);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-groups {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(20px, 2.8vw, 34px);
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-faq .faq-support-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }
}

@media (min-width: 980px) {
  .page-faq .faq-layout {
    grid-template-columns: 264px minmax(0, 1fr);
  }

  .page-faq .faq-rail {
    position: sticky;
    top: calc(var(--header-h) + 20px);
  }

  .page-faq .faq-scene-list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 0;
    border-left: 1px solid var(--faq-hair);
  }

  .page-faq .faq-scene-list li {
    display: block;
  }

  .page-faq .faq-scene {
    display: flex;
    width: 100%;
    margin-left: -1px;
    padding: 11px 12px 11px 14px;
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    background: transparent;
  }

  .page-faq .faq-scene:hover,
  .page-faq .faq-scene:focus-visible {
    border-left-color: var(--cyan-400);
    background: rgba(53, 224, 212, 0.07);
    transform: none;
  }

  .page-faq .faq-scene-name {
    flex: 1 1 auto;
  }
}

@media (max-width: 480px) {
  .page-faq .faq-cat {
    flex-wrap: wrap;
  }

  .page-faq .faq-cat-name {
    flex: 1 1 calc(100% - 3em);
  }

  .page-faq .faq-copy {
    margin-left: calc(2.1em + 10px);
  }

  .page-faq .faq-contact-label {
    min-width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    transform: none !important;
  }
}
<<<END>>>