.page-faq {
  --faq-panel: rgba(11, 31, 26, 0.55);
  --faq-panel-solid: #0E2A22;
  --faq-rule: rgba(234, 242, 240, 0.18);
  display: block;
  overflow-x: clip;
}

/* ---------- 面包屑 ---------- */
.page-faq .crumbs {
  padding-top: clamp(14px, 3vw, 26px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  margin-top: clamp(10px, 2vw, 20px);
  padding-block: clamp(26px, 5vw, 58px) clamp(30px, 6vw, 70px);
  background:
    radial-gradient(115% 95% at 90% 4%, rgba(168, 69, 47, 0.45) 0%, rgba(110, 42, 32, 0.18) 42%, transparent 70%),
    linear-gradient(168deg, var(--indigo) 0%, var(--night) 44%, var(--turf) 100%);
  border-block: 2px solid var(--line-strong);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(115deg, rgba(234, 242, 240, 0.055) 0 1px, transparent 1px 46px);
  pointer-events: none;
}

.page-faq .faq-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(22px, 4vw, 44px);
  align-items: end;
}

.page-faq .faq-hero-copy .eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 0.73rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--flag);
}

.page-faq .faq-hero h1 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: var(--step-4);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--chalk);
}

.page-faq .faq-lede {
  margin: clamp(14px, 2.4vw, 22px) 0 0;
  max-width: 48ch;
  font-size: var(--step-1);
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .faq-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 32px);
}

.page-faq .faq-hero-visual {
  margin: 0;
}

.page-faq .faq-hero-visual .media-frame {
  border: 3px solid var(--line-strong);
  box-shadow: var(--shadow-hard);
}

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

/* ---------- 控制台区域 ---------- */
.page-faq .faq-desk {
  padding-block: clamp(34px, 6vw, 74px);
  background: linear-gradient(180deg, var(--night) 0%, var(--turf) 100%);
}

.page-faq .faq-desk .section-note {
  max-width: 62ch;
}

.page-faq .faq-desk-grid {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  margin-top: clamp(24px, 4vw, 42px);
}

/* 左侧分类面板 */
.page-faq .faq-rail {
  border: 2px solid var(--line-strong);
  border-top: 4px solid var(--clay);
  background: var(--faq-panel-solid);
  box-shadow: var(--shadow-mid);
  padding: 14px;
}

.page-faq .faq-rail-head {
  display: flex;
  align-items: center;
  gap: 9px;
  padding-bottom: 12px;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--faq-rule);
}

.page-faq .faq-rail-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-faq .faq-lamp {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex: none;
  background: var(--mist);
  box-shadow: 0 0 0 3px rgba(169, 189, 182, 0.16);
}

.page-faq .faq-lamp--pitch {
  background: var(--pitch);
  box-shadow: 0 0 0 3px rgba(46, 139, 87, 0.22);
}

.page-faq .faq-lamp--clay {
  background: var(--clay);
  box-shadow: 0 0 0 3px rgba(168, 69, 47, 0.24);
}

.page-faq .faq-lamp--flag {
  background: var(--flag);
  box-shadow: 0 0 0 3px rgba(242, 201, 76, 0.22);
}

.page-faq .faq-lamp--red {
  background: var(--card-red);
  box-shadow: 0 0 0 3px rgba(214, 69, 69, 0.22);
}

.page-faq .faq-rail-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
}

.page-faq .faq-rail-link {
  display: grid;
  grid-template-columns: 14px minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  padding: 11px 12px;
  border: 1px solid var(--faq-rule);
  border-left: 3px solid transparent;
  background: rgba(18, 61, 46, 0.55);
  color: var(--chalk);
  font-size: 0.92rem;
  line-height: 1.5;
  text-decoration: none;
  transition: border-color 0.18s ease, background 0.18s ease, transform 0.18s ease;
}

.page-faq .faq-rail-link:hover,
.page-faq .faq-rail-link:focus-visible {
  border-left-color: var(--flag);
  background: rgba(18, 61, 46, 0.95);
  transform: translateX(2px);
  outline: none;
}

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

.page-faq .faq-rail-count {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--mist);
  border: 1px solid var(--faq-rule);
  padding: 1px 5px;
}

.page-faq .faq-rail-foot {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--faq-rule);
  font-family: var(--font-mono);
  font-size: 0.71rem;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 问答区 ---------- */
.page-faq .faq-block {
  border: 2px solid var(--line-strong);
  background: var(--turf);
  box-shadow: var(--shadow-hard);
  padding: clamp(16px, 2.6vw, 28px);
  scroll-margin-top: calc(var(--header-h) + 18px);
}

.page-faq .faq-block + .faq-block {
  margin-top: clamp(22px, 3.6vw, 38px);
}

.page-faq .faq-block--a { border-top: 4px solid var(--pitch); }
.page-faq .faq-block--b { border-top: 4px solid var(--clay); }
.page-faq .faq-block--c { border-top: 4px solid var(--card-red); }
.page-faq .faq-block--d { border-top: 4px solid var(--flag); }
.page-faq .faq-block--e { border-top: 4px solid var(--indigo); }

.page-faq .faq-block:target {
  outline: 2px solid var(--flag);
  outline-offset: 3px;
}

.page-faq .faq-block-head {
  display: flex;
  gap: clamp(12px, 2vw, 20px);
  align-items: flex-start;
  padding-bottom: 14px;
  margin-bottom: 18px;
  border-bottom: 1px dashed var(--line-strong);
}

.page-faq .faq-num {
  flex: none;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.7rem, 1.1rem + 2.4vw, 2.8rem);
  line-height: 0.92;
  color: rgba(169, 189, 182, 0.24);
  -webkit-text-stroke: 1.4px var(--mist);
}

.page-faq .faq-block-title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: var(--step-2);
  line-height: 1.28;
  color: var(--chalk);
}

.page-faq .faq-block-note {
  margin: 7px 0 0;
  font-size: var(--step--1);
  line-height: 1.75;
  color: var(--mist);
}

.page-faq .faq-figure {
  margin: 0 0 20px;
}

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

/* 折叠面板 */
.page-faq .faq-item {
  border: 1px solid var(--faq-rule);
  border-left: 3px solid rgba(169, 189, 182, 0.42);
  background: rgba(11, 31, 26, 0.5);
  transition: border-left-color 0.2s ease, background 0.2s ease;
}

.page-faq .faq-item + .faq-item {
  margin-top: 10px;
}

.page-faq .faq-item[open] {
  border-left-color: var(--flag);
  background: rgba(11, 31, 26, 0.92);
}

.page-faq .faq-item .disclosure-trigger {
  display: flex;
  gap: 11px;
  align-items: baseline;
  padding: 13px 15px;
  margin: 0;
  cursor: pointer;
  list-style: none;
  font-size: var(--step-0);
  font-weight: 600;
  line-height: 1.6;
  color: var(--chalk);
}

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

.page-faq .faq-item .disclosure-trigger::before {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  line-height: 1.4;
  color: var(--flag);
}

.page-faq .faq-item[open] .disclosure-trigger::before {
  content: "–";
}

.page-faq .faq-item .disclosure-trigger:focus-visible {
  outline: 2px solid var(--flag);
  outline-offset: -2px;
}

.page-faq .faq-item .disclosure-panel {
  padding: 13px 15px 16px 40px;
  border-top: 1px solid var(--faq-rule);
}

.page-faq .faq-item .disclosure-panel p {
  margin: 0 0 10px;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .faq-item .disclosure-panel p:last-child {
  margin-bottom: 0;
}

.page-faq .faq-item .disclosure-panel p.faq-anchor {
  display: inline-block;
  margin: 0 0 12px;
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 0.71rem;
  letter-spacing: 0.05em;
  line-height: 1.6;
  color: var(--flag);
  background: rgba(242, 201, 76, 0.08);
  border: 1px dashed rgba(242, 201, 76, 0.45);
}

/* ---------- 准备清单 ---------- */
.page-faq .faq-checklist {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-faq .faq-checklist li {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  padding: 11px 13px;
  border: 1px solid var(--faq-rule);
  background: rgba(11, 31, 26, 0.5);
}

.page-faq .faq-idx {
  font-family: var(--font-mono);
  font-size: 0.73rem;
  line-height: 1.7;
  color: var(--flag);
}

.page-faq .faq-checklist strong {
  display: block;
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.6;
  color: var(--chalk);
}

.page-faq .faq-desc {
  display: block;
  font-size: 0.82rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-faq .faq-prepare-foot {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .faq-inline-link {
  color: var(--flag);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-inline-link:hover,
.page-faq .faq-inline-link:focus-visible {
  color: var(--chalk);
  outline: none;
}

/* ---------- 联系渠道 ---------- */
.page-faq .faq-channels {
  display: grid;
  gap: 12px;
}

.page-faq .faq-channel {
  border: 2px solid var(--line-strong);
  border-top: 4px solid var(--clay);
  background: rgba(11, 31, 26, 0.62);
  box-shadow: var(--shadow-mid);
  padding: 16px;
}

.page-faq .faq-channel--phone { border-top-color: var(--flag); }
.page-faq .faq-channel--addr { border-top-color: var(--pitch); }

.page-faq .faq-channel-key {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-faq .faq-channel-value {
  margin: 0 0 9px;
  font-family: var(--font-mono);
  font-size: 0.98rem;
  font-weight: 600;
  line-height: 1.6;
  color: var(--chalk);
  overflow-wrap: anywhere;
}

.page-faq .faq-channel-note {
  margin: 0;
  font-size: 0.84rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-channels-foot {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line-strong);
  font-size: 0.88rem;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 底部行动区 ---------- */
.page-faq .faq-cta {
  margin-top: clamp(32px, 5vw, 60px);
  padding-block: clamp(26px, 4.4vw, 50px);
  border-block: 2px solid var(--line-strong);
  background: linear-gradient(120deg, var(--clay-deep) 0%, var(--clay) 54%, var(--indigo) 100%);
}

.page-faq .faq-cta-inner {
  display: grid;
  gap: 20px;
}

.page-faq .faq-cta h2 {
  margin: 0 0 9px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: var(--step-3);
  line-height: 1.15;
  color: var(--chalk);
}

.page-faq .faq-cta p {
  margin: 0;
  max-width: 54ch;
  font-size: 0.96rem;
  line-height: 1.85;
  color: rgba(234, 242, 240, 0.88);
}

.page-faq .faq-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-checklist {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 700px) {
  .page-faq .faq-channels {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
}

@media (min-width: 860px) {
  .page-faq .faq-cta-inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-desk-grid {
    grid-template-columns: 268px minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: calc(var(--header-h) + 18px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-rail-link,
  .page-faq .faq-item {
    transition: none;
  }

  .page-faq .faq-rail-link:hover,
  .page-faq .faq-rail-link:focus-visible {
    transform: none;
  }
}