.page-faq {
  --faq-item-gap: 10px;
  padding-bottom: 96px;
}

.page-faq .container {
  max-width: 880px;
}

.page-faq .breadcrumb {
  margin-top: 20px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  margin: 22px 0 30px;
  padding: 32px clamp(20px, 4vw, 42px) 30px;
  background:
    radial-gradient(120% 100% at 100% 0%, rgba(53, 230, 210, 0.16), transparent 58%),
    var(--panel);
  border: 1px solid var(--line);
  border-top: 3px solid var(--cyan);
  overflow: hidden;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  top: -46px;
  right: -46px;
  width: 220px;
  height: 220px;
  background-image: radial-gradient(var(--line) 1px, transparent 1px);
  background-size: 16px 16px;
  opacity: 0.85;
  pointer-events: none;
}

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

.page-faq .faq-hero h1 {
  margin: 10px 0 16px;
  font-size: clamp(27px, 5.2vw, 44px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-faq .faq-lead {
  margin: 0;
  max-width: 56ch;
  font-size: 16.5px;
  line-height: 1.78;
  color: var(--paper);
  opacity: 0.86;
}

/* ---------- 分类跳转 ---------- */
.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 40px;
  padding: 0;
  list-style: none;
}

.page-faq .faq-jump a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px 8px 11px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--paper);
  font-size: 13.5px;
  line-height: 1.2;
  text-decoration: none;
  transition: border-color var(--t-fast) var(--ease), background-color var(--t-fast) var(--ease);
}

.page-faq .faq-jump a span {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-faq .faq-jump a:hover,
.page-faq .faq-jump a:focus-visible {
  border-color: var(--cyan);
  background: var(--ink);
}

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  margin-bottom: clamp(48px, 7vw, 74px);
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-faq .faq-group-head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 22px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-group-icon {
  flex: 0 0 auto;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  color: var(--cyan);
  border-radius: 2px;
}

.page-faq .faq-group-no {
  margin: 2px 0 5px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-faq .faq-group-head h2 {
  margin: 0;
  font-size: clamp(21px, 3.2vw, 29px);
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--paper);
}

/* ---------- 配图 ---------- */
.page-faq .faq-figure {
  margin: 0 0 24px;
  border: 1px solid var(--line);
  background: var(--panel);
  overflow: hidden;
}

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

.page-faq .faq-figure figcaption {
  padding: 10px 14px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

/* ---------- 问答条目 ---------- */
.page-faq .faq-item {
  position: relative;
  margin-bottom: var(--faq-item-gap);
  background: var(--panel);
  border: 1px solid var(--line);
  transition: border-color var(--t-fast) var(--ease);
}

.page-faq .faq-item[open] {
  border-color: rgba(53, 230, 210, 0.45);
}

.page-faq .faq-item[open]::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--cyan);
}

.page-faq .faq-item summary {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 16px 46px 16px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--paper);
  transition: color var(--t-fast) var(--ease);
}

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

.page-faq .faq-item summary::marker {
  content: "";
}

.page-faq .faq-item summary::after {
  content: "+";
  position: absolute;
  right: 16px;
  top: 14px;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--cyan);
}

.page-faq .faq-item[open] summary::after {
  content: "−";
}

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

.page-faq .faq-no {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--orange);
}

.page-faq .faq-a {
  padding: 0 18px 18px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--paper);
}

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

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

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

.page-faq .faq-a a:hover {
  color: var(--orange);
}

/* ---------- 步骤列表 ---------- */
.page-faq .faq-steps {
  counter-reset: faq-step;
  list-style: none;
  margin: 12px 0 14px;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-faq .faq-steps li {
  counter-increment: faq-step;
  position: relative;
  padding-left: 36px;
}

.page-faq .faq-steps li::before {
  content: counter(faq-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  padding: 1px 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.4;
  letter-spacing: 0.06em;
  color: var(--orange);
  border: 1px solid var(--line);
  border-radius: 2px;
}

/* ---------- 浅色节奏带 ---------- */
.page-faq .faq-band {
  margin-inline: calc(-1 * var(--gutter));
  padding: 30px var(--gutter) 34px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-band .faq-figure {
  border-color: var(--line);
}

/* ---------- 联系区块 ---------- */
.page-faq .faq-contact {
  position: relative;
  margin-top: 8px;
  padding: 30px clamp(18px, 3vw, 32px) 32px;
  background:
    linear-gradient(160deg, rgba(255, 122, 61, 0.12), transparent 62%),
    var(--panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--orange);
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-faq .faq-contact h2 {
  margin: 6px 0 12px;
  font-size: clamp(21px, 3.2vw, 28px);
  line-height: 1.28;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-faq .faq-contact-intro {
  margin: 0;
  max-width: 54ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--paper);
  opacity: 0.84;
}

.page-faq .faq-contact-grid {
  display: grid;
  gap: 14px;
  margin: 22px 0 18px;
}

.page-faq .faq-contact-card {
  padding: 16px 18px 18px;
  background: var(--ink);
  border: 1px solid var(--line);
}

.page-faq .faq-contact-key {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-faq .faq-contact-val {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1.4;
  letter-spacing: 0.01em;
  color: var(--orange);
  word-break: break-all;
}

.page-faq .faq-contact-note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .faq-contact-tail {
  margin: 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

.page-faq .faq-contact-tail a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 230, 210, 0.4);
}

.page-faq .faq-contact-tail a:hover {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

/* ---------- 媒体查询 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-hero {
    padding: 42px 42px 38px;
  }

  .page-faq .faq-item summary {
    padding: 17px 52px 17px 22px;
    font-size: 17px;
  }

  .page-faq .faq-item summary::after {
    right: 20px;
    top: 15px;
  }

  .page-faq .faq-a {
    padding: 0 22px 20px;
    font-size: 16px;
  }

  .page-faq .faq-band {
    padding: 38px clamp(24px, 4vw, 40px) 42px;
  }

  .page-faq .faq-contact-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-group-head {
    gap: 18px;
    margin-bottom: 26px;
  }

  .page-faq .faq-group-icon {
    width: 44px;
    height: 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-item summary,
  .page-faq .faq-jump a {
    transition: none;
  }
}
<<<END>>>