.page-faq {
  --faq-measure: 74ch;
  --faq-gap: clamp(22px, 4vw, 48px);
  display: block;
  overflow-x: hidden;
  color: var(--paper);
  background:
    radial-gradient(1100px 520px at 88% -8%, rgba(242, 104, 31, 0.20), transparent 62%),
    radial-gradient(760px 420px at -8% 24%, rgba(43, 232, 176, 0.10), transparent 66%),
    var(--ink);
}

.page-faq [id] {
  scroll-margin-top: 130px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: clamp(30px, 5vw, 64px) 0 clamp(20px, 3vw, 34px);
}

.page-faq .faq-hero .breadcrumb {
  margin-bottom: clamp(18px, 3vw, 30px);
}

.page-faq .faq-hero h1 {
  margin: 10px 0 0;
  max-width: 20ch;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(30px, 6.4vw, 62px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--paper-white);
}

.page-faq .faq-lede {
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  max-width: 64ch;
  font-size: clamp(16px, 1.55vw, 18px);
  line-height: 1.8;
  color: var(--steel-light);
}

.page-faq .faq-strip {
  list-style: none;
  margin: clamp(26px, 4vw, 40px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 20px;
}

.page-faq .faq-strip li {
  padding-top: 10px;
  border-top: 3px solid var(--mint);
}

.page-faq .faq-strip li:nth-child(2) {
  border-top-color: var(--orange);
}

.page-faq .faq-strip li:nth-child(3) {
  border-top-color: var(--orange-soft);
}

.page-faq .faq-strip li:nth-child(4) {
  border-top-color: var(--steel);
}

.page-faq .faq-strip .num {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: clamp(24px, 3.4vw, 38px);
  line-height: 1.1;
  color: var(--paper-white);
}

.page-faq .faq-strip em {
  display: block;
  margin-top: 4px;
  font-style: normal;
  font-size: 13px;
  line-height: 1.5;
  letter-spacing: 0.03em;
  color: var(--steel);
}

/* ---------- 分类刻度条 ---------- */
.page-faq .faq-rail {
  border-top: 3px solid var(--mint);
  border-bottom: 2px solid var(--edge);
  background: rgba(20, 42, 71, 0.82);
}

.page-faq .faq-rail-inner {
  width: var(--shell);
  margin-inline: auto;
  display: flex;
  gap: 10px;
  padding: 12px 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-faq .faq-rail-link {
  flex: 0 0 auto;
  padding: 7px 15px;
  border: 2px solid var(--edge);
  border-radius: var(--pill);
  background: var(--panel-2);
  color: var(--paper);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.02em;
  white-space: nowrap;
  text-decoration: none;
  transition: background 160ms ease, color 160ms ease, transform 160ms ease;
}

.page-faq .faq-rail-link:hover,
.page-faq .faq-rail-link:focus-visible {
  background: var(--mint);
  color: var(--ink-deep);
  transform: translateY(-2px);
}

/* ---------- 通用区块 ---------- */
.page-faq .faq-block {
  position: relative;
  padding: clamp(38px, 6vw, 78px) 0;
}

.page-faq .faq-block + .faq-block::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 8px;
  background: repeating-linear-gradient(90deg, rgba(126, 151, 180, 0.55) 0 2px, transparent 2px 16px);
  pointer-events: none;
}

.page-faq .faq-block--paper {
  background: var(--paper);
  color: var(--ink-deep);
  border-top: 2px solid var(--edge);
  border-bottom: 2px solid var(--edge);
}

.page-faq .faq-block--paper .faq-block + .faq-block::before,
.page-faq .faq-block--paper + .faq-block.faq-block--paper::before {
  background: repeating-linear-gradient(90deg, rgba(11, 27, 51, 0.35) 0 2px, transparent 2px 16px);
}

.page-faq .faq-block h2 {
  margin: 10px 0 0;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(24px, 3.6vw, 42px);
  line-height: 1.14;
  letter-spacing: -0.02em;
}

.page-faq .faq-block--paper h2 {
  color: var(--ink-deep);
}

.page-faq .faq-intro {
  margin: 14px 0 0;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--steel-light);
}

.page-faq .faq-block--paper .faq-intro {
  color: rgba(11, 27, 51, 0.78);
}

.page-faq .faq-narrow {
  max-width: var(--faq-measure);
  margin-inline: auto;
}

.page-faq .faq-two {
  display: grid;
  gap: var(--faq-gap);
}

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

.page-faq .faq-figure--lead {
  margin-bottom: clamp(22px, 3.6vw, 36px);
}

/* ---------- 三步上手 ---------- */
.page-faq .step-list {
  list-style: none;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
  counter-reset: none;
}

.page-faq .step-list > li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  padding: 16px 18px;
  background: var(--panel);
  border: 2px solid var(--edge);
  border-left: 6px solid var(--orange);
  box-shadow: var(--shadow-hard-sm);
}

.page-faq .step-list > li:nth-child(2) {
  border-left-color: var(--orange-soft);
}

.page-faq .step-list > li:nth-child(3) {
  border-left-color: var(--mint);
}

.page-faq .step-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1;
  color: var(--orange);
}

.page-faq .step-list > li:nth-child(3) .step-num {
  color: var(--mint);
}

.page-faq .step-list h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--paper-white);
}

.page-faq .step-list p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--steel-light);
}

.page-faq .step-list a {
  color: var(--mint);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-hint {
  margin: 20px 0 0;
  padding: 13px 16px;
  border: 2px dashed rgba(43, 232, 176, 0.55);
  border-radius: 2px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--steel-light);
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-list {
  margin: clamp(20px, 3vw, 30px) 0 0;
}

.page-faq .faq-q {
  border: 2px solid var(--edge);
  background: var(--panel);
  box-shadow: var(--shadow-hard-sm);
}

.page-faq .faq-q + .faq-q {
  margin-top: 12px;
}

.page-faq .faq-q > summary {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  font-size: clamp(15px, 1.5vw, 17px);
  font-weight: 800;
  line-height: 1.55;
  letter-spacing: -0.005em;
  color: var(--paper-white);
}

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

.page-faq .faq-q > summary::after {
  content: "＋";
  margin-left: auto;
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1.2;
  color: var(--mint);
}

.page-faq .faq-q[open] > summary::after {
  content: "－";
  color: var(--orange);
}

.page-faq .faq-q[open] > summary {
  background: var(--panel-2);
}

.page-faq .faq-q-text {
  display: block;
}

.page-faq .faq-a {
  padding: 14px 16px 16px;
  border-top: 1px solid rgba(126, 151, 180, 0.35);
  color: var(--steel-light);
  font-size: 15.5px;
  line-height: 1.8;
  animation: faqReveal 260ms ease both;
}

.page-faq .faq-a p {
  margin: 0 0 8px;
}

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

.page-faq .faq-a-lead {
  color: var(--paper-white);
  font-weight: 700;
}

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

.page-faq .faq-block--paper .faq-q {
  background: var(--paper-white);
}

.page-faq .faq-block--paper .faq-q > summary {
  color: var(--ink-deep);
}

.page-faq .faq-block--paper .faq-q[open] > summary {
  background: #EADCC4;
}

.page-faq .faq-block--paper .faq-q > summary::after {
  color: #0E9A73;
}

.page-faq .faq-block--paper .faq-q[open] > summary::after {
  color: var(--orange);
}

.page-faq .faq-block--paper .faq-a {
  border-top-color: rgba(11, 27, 51, 0.18);
  color: rgba(11, 27, 51, 0.80);
}

.page-faq .faq-block--paper .faq-a-lead {
  color: var(--ink-deep);
}

.page-faq .faq-block--paper .faq-a a {
  color: #0E7A5C;
}

@keyframes faqReveal {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------- 联系客服 ---------- */
.page-faq .faq-escalate {
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: clamp(20px, 3.6vw, 36px);
  border: 2px solid var(--edge);
  box-shadow: var(--shadow-hard);
  background:
    linear-gradient(135deg, rgba(242, 104, 31, 0.30), rgba(11, 27, 51, 0) 64%),
    var(--panel);
}

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

.page-faq .faq-contact li {
  display: grid;
  gap: 4px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(126, 151, 180, 0.35);
}

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

.page-faq .faq-contact-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mint);
}

.page-faq .faq-contact-value {
  font-size: clamp(15px, 1.7vw, 18px);
  line-height: 1.6;
  font-weight: 700;
  color: var(--paper-white);
  overflow-wrap: anywhere;
}

.page-faq .faq-escalate-note {
  margin: 20px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--steel-light);
}

.page-faq .faq-escalate-note a {
  color: var(--orange-soft);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-strip {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-contact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px 32px;
  }

  .page-faq .faq-contact li:nth-last-child(-n + 2) {
    padding-bottom: 0;
    border-bottom: 0;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-two {
    grid-template-columns: minmax(0, 1.22fr) minmax(0, 0.9fr);
    align-items: start;
  }

  .page-faq .faq-hero h1 {
    max-width: 24ch;
  }
}

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

  .page-faq .faq-rail-link {
    transition: none;
  }

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