.page-faq {
  --faq-panel-w: 250px;
  --faq-radius: var(--r-lg);
}

.page-faq .breadcrumb {
  padding: 20px 0 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--stone);
}

.page-faq .breadcrumb ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.page-faq .breadcrumb li + li::before {
  content: "/";
  margin-right: 10px;
  color: var(--stone);
}

.page-faq .breadcrumb a {
  color: var(--stone);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.page-faq .breadcrumb a:hover,
.page-faq .breadcrumb a:focus-visible {
  color: var(--flame);
}

.page-faq .breadcrumb li[aria-current="page"] {
  color: var(--paper-70);
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: 30px 0 46px;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: -20% -25% auto -15%;
  height: 460px;
  background:
    radial-gradient(58% 96% at 82% 4%, rgba(255, 107, 26, 0.24), transparent 68%),
    radial-gradient(52% 84% at 6% 14%, rgba(31, 138, 112, 0.18), transparent 70%);
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(244, 239, 230, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(244, 239, 230, 0.055) 1px, transparent 1px);
  background-size: 46px 46px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 88%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 88%);
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero__line {
  display: block;
  height: 1px;
  width: min(320px, 62%);
  margin: 18px 0 0;
  background: linear-gradient(90deg, var(--flame), rgba(255, 107, 26, 0));
  transform-origin: left center;
}

.page-faq .faq-hero__title {
  margin: 18px 0 0;
  font-family: var(--font-body);
  font-weight: 800;
  font-size: clamp(40px, 9.4vw, 76px);
  line-height: 1.02;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-faq .faq-hero__lede {
  max-width: 34em;
  margin: 18px 0 0;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--paper-70);
}

.page-faq .faq-facts {
  margin: 30px 0 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--hair);
  border: 1px solid var(--hair);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-faq .faq-fact {
  background: rgba(8, 21, 44, 0.72);
  padding: 15px 16px;
}

.page-faq .faq-fact dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--stone);
}

.page-faq .faq-fact dd {
  margin: 7px 0 0;
  font-family: var(--font-mono);
  font-size: 23px;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--paper);
}

/* ---------- 通用排版 ---------- */

.page-faq .faq-h2 {
  margin: 12px 0 0;
  font-family: var(--font-body);
  font-weight: 800;
  font-size: clamp(25px, 4.4vw, 36px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: inherit;
}

.page-faq .faq-media {
  margin: 0;
  border-radius: var(--r-md);
  overflow: hidden;
  background: linear-gradient(150deg, var(--ink), var(--ink-2) 58%, rgba(31, 138, 112, 0.32));
}

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

/* ---------- 三步入门 ---------- */

.page-faq .faq-start {
  padding: 6px 0 0;
}

.page-faq .faq-start__panel {
  background: var(--paper);
  color: var(--ink);
  border-radius: var(--faq-radius);
  padding: 30px 20px 28px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.28);
}

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

.page-faq .faq-start__lede {
  max-width: 34em;
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(11, 27, 58, 0.72);
}

.page-faq .faq-steps {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-faq .faq-step {
  padding: 18px 16px 18px;
  border-radius: var(--r-md);
  border: 1px dashed rgba(11, 27, 58, 0.24);
  background: rgba(11, 27, 58, 0.035);
}

.page-faq .faq-step__num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 30px;
  font-weight: 600;
  line-height: 1;
  color: var(--clay);
}

.page-faq .faq-step h3 {
  margin: 14px 0 8px;
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -0.005em;
  color: var(--ink);
}

.page-faq .faq-step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(11, 27, 58, 0.72);
}

.page-faq .faq-step__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  padding-bottom: 2px;
  font-size: 14px;
  font-weight: 700;
  color: var(--clay);
  text-decoration: none;
  border-bottom: 1px solid rgba(196, 85, 43, 0.36);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-step__link::after {
  content: "→";
  font-size: 15px;
  line-height: 1;
}

.page-faq .faq-step__link:hover,
.page-faq .faq-step__link:focus-visible {
  color: var(--ink);
  border-bottom-color: var(--ink);
}

.page-faq .faq-start__fig {
  margin: 28px 0 0;
}

.page-faq .faq-start__caption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.75;
  color: rgba(11, 27, 58, 0.6);
}

/* ---------- 问答区 ---------- */

.page-faq .faq-ans {
  padding: 56px 0 20px;
}

.page-faq .faq-filterrow {
  margin: 22px 0 0;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 4px 2px 10px;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
  -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 20px, #000 calc(100% - 20px), transparent 100%);
  mask-image: linear-gradient(90deg, transparent 0, #000 20px, #000 calc(100% - 20px), transparent 100%);
}

.page-faq .faq-filterrow::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-filterrow .chip {
  flex: 0 0 auto;
  white-space: nowrap;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 14px;
}

.page-faq .faq-ans__grid {
  display: grid;
  gap: 30px;
  margin-top: 14px;
}

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

.page-faq .faq-group {
  margin-bottom: 42px;
  scroll-margin-top: 24px;
}

.page-faq .faq-group:last-child {
  margin-bottom: 0;
}

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding-bottom: 10px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--hair);
}

.page-faq .faq-group__title {
  margin: 0;
  font-size: 21px;
  font-weight: 800;
  letter-spacing: -0.005em;
  color: var(--paper);
}

.page-faq .faq-group__note {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--stone);
  white-space: nowrap;
}

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

.page-faq .faq-list {
  display: grid;
  gap: 10px;
}

.page-faq .faq-item {
  border-radius: var(--r-md);
  border: 1px solid var(--hair);
  background: rgba(20, 42, 85, 0.5);
  overflow: hidden;
  transition: background 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-faq .faq-item[open] {
  background: rgba(20, 42, 85, 0.88);
  border-color: rgba(255, 107, 26, 0.32);
}

.page-faq .faq-item__q {
  position: relative;
  cursor: pointer;
  list-style: none;
  padding: 16px 48px 16px 15px;
  border-left: 3px solid transparent;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--paper);
  transition: border-color 0.25s var(--ease), color 0.2s var(--ease);
}

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

.page-faq .faq-item__q::after {
  content: "+";
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 21px;
  line-height: 1;
  color: var(--flame);
  transition: transform 0.25s var(--ease);
}

.page-faq .faq-item[open] .faq-item__q::after {
  content: "–";
}

.page-faq .faq-item[open] .faq-item__q {
  border-left-color: var(--jade);
}

.page-faq .faq-item__q:hover {
  color: #fff;
}

.page-faq .faq-item__q:focus-visible {
  outline: 2px solid var(--flame);
  outline-offset: -3px;
}

.page-faq .faq-item__a {
  margin: 0 18px 18px;
  padding-left: 15px;
  border-left: 3px solid rgba(31, 138, 112, 0.72);
  font-size: 15px;
  line-height: 1.85;
  color: var(--paper-70);
}

.page-faq .faq-item__a p {
  margin: 0 0 10px;
}

.page-faq .faq-item__a p:last-child {
  margin-bottom: 0;
}

.page-faq .faq-item__a a {
  color: var(--sand);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-faq .faq-item__a a:hover,
.page-faq .faq-item__a a:focus-visible {
  color: var(--flame);
}

.page-faq .faq-item.is-hidden,
.page-faq .faq-group.is-hidden {
  display: none;
}

/* ---------- 侧边状态面板 ---------- */

.page-faq .faq-panel {
  order: -1;
}

.page-faq .faq-panel__inner {
  border: 1px solid var(--hair);
  border-radius: var(--faq-radius);
  background: linear-gradient(180deg, rgba(20, 42, 85, 0.72), rgba(8, 21, 44, 0.52));
  padding: 20px 18px;
}

.page-faq .faq-panel__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sand);
}

.page-faq .faq-panel__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-panel__list li + li {
  border-top: 1px solid var(--hair);
}

.page-faq .faq-panel__list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 11px 0;
  font-size: 14px;
  color: var(--paper-70);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.page-faq .faq-panel__list a:hover,
.page-faq .faq-panel__list a:focus-visible {
  color: var(--flame);
}

.page-faq .faq-panel__v {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--paper);
}

.page-faq .faq-panel__foot {
  margin: 14px 0 0;
  padding-top: 13px;
  border-top: 1px solid var(--hair);
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--stone);
}

/* ---------- 仍未解决 ---------- */

.page-faq .faq-reach {
  padding: 48px 0 76px;
}

.page-faq .faq-reach__lede {
  max-width: 34em;
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--paper-70);
}

.page-faq .faq-reach__grid {
  margin-top: 28px;
  display: grid;
  gap: 16px;
}

.page-faq .faq-reach__card {
  border-radius: var(--faq-radius);
  border: 1px solid var(--hair);
  padding: 22px 20px 24px;
}

.page-faq .faq-reach__label {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--jade);
}

.page-faq .faq-reach__card p {
  margin: 16px 0 0;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--paper-70);
}

.page-faq .copy-chip {
  display: inline-block;
  max-width: 100%;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.01em;
  padding: 11px 18px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(255, 107, 26, 0.45);
  background: rgba(255, 107, 26, 0.1);
  color: var(--paper);
  cursor: pointer;
  word-break: break-all;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .copy-chip:hover,
.page-faq .copy-chip:focus-visible {
  background: var(--flame);
  border-color: var(--flame);
  color: #fff;
}

.page-faq .copy-chip:focus-visible {
  outline: 2px solid var(--flame);
  outline-offset: 3px;
}

.page-faq .faq-reach__card--phone .faq-reach__label {
  color: var(--sand);
}

.page-faq .faq-reach__card--phone .copy-chip {
  border-color: rgba(217, 164, 65, 0.5);
  background: rgba(217, 164, 65, 0.1);
}

.page-faq .faq-reach__card--phone .copy-chip:hover,
.page-faq .faq-reach__card--phone .copy-chip:focus-visible {
  background: var(--sand);
  border-color: var(--sand);
  color: var(--ink);
}

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

/* ---------- 响应式 ---------- */

@media (min-width: 620px) {
  .page-faq .faq-start__panel {
    padding: 40px 32px 36px;
  }

  .page-faq .faq-steps {
    gap: 18px;
  }

  .page-faq .faq-reach__card {
    padding: 26px 24px 28px;
  }
}

@media (min-width: 760px) {
  .page-faq .faq-hero {
    padding: 40px 0 58px;
  }

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

  .page-faq .faq-fact {
    padding: 18px 20px;
  }

  .page-faq .faq-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-faq .faq-filterrow {
    flex-wrap: wrap;
    overflow: visible;
    -webkit-mask-image: none;
    mask-image: none;
  }
}

@media (min-width: 1040px) {
  .page-faq .faq-hero {
    padding: 56px 0 72px;
  }

  .page-faq .faq-ans {
    padding: 68px 0 24px;
  }

  .page-faq .faq-start__panel {
    padding: 52px 48px 46px;
  }

  .page-faq .faq-ans__grid {
    grid-template-columns: minmax(0, 1fr) var(--faq-panel-w);
    gap: 40px;
    align-items: start;
    margin-top: 22px;
  }

  .page-faq .faq-panel {
    order: 0;
    position: sticky;
    top: 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-item__q,
  .page-faq .faq-item__q::after,
  .page-faq .copy-chip,
  .page-faq .faq-step__link,
  .page-faq .faq-panel__list a,
  .page-faq .breadcrumb a {
    transition: none;
  }
}