.page-faq {
  --faq-rule: rgba(242, 239, 233, 0.09);
  --faq-body: rgba(242, 239, 233, 0.78);
  --faq-mute: rgba(242, 239, 233, 0.52);
}

/* ===== 首屏 ===== */
.page-faq .faq-hero {
  position: relative;
  padding-block: clamp(36px, 6vw, 88px) clamp(32px, 5vw, 64px);
  border-bottom: 1px solid var(--faq-rule);
  background:
    radial-gradient(120% 78% at 84% -6%, rgba(69, 240, 211, 0.07), transparent 62%),
    radial-gradient(90% 60% at 4% 102%, rgba(47, 107, 255, 0.06), transparent 60%);
}

.page-faq .eyebrow {
  display: block;
  margin: clamp(18px, 3vw, 32px) 0 0;
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-faq .display {
  margin: 14px 0 0;
  max-width: 20ch;
  font-size: clamp(1.9rem, 5.6vw, 4rem);
  font-weight: 300;
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-faq .lede {
  margin: clamp(16px, 2.4vw, 26px) 0 0;
  max-width: 62ch;
  font-size: clamp(0.9375rem, 1.5vw, 1.0625rem);
  line-height: 1.8;
  color: var(--faq-body);
}

.page-faq .faq-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(26px, 4vw, 44px) 0 0;
  padding: 0;
  list-style: none;
  background: var(--faq-rule);
  border: 1px solid var(--faq-rule);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-faq .faq-stats__item {
  padding: 14px 16px;
  background: var(--ink);
}

.page-faq .faq-stats__k {
  font-family: var(--mono);
  font-size: 0.625rem;
  letter-spacing: 0.14em;
  color: var(--faq-mute);
}

.page-faq .faq-stats__v {
  margin: 8px 0 0;
  font-family: var(--mono);
  font-size: 1.0625rem;
  font-weight: 600;
  line-height: 1.2;
}

.page-faq .faq-hero__plate {
  position: relative;
  margin-top: clamp(28px, 4vw, 52px);
  border: 1px solid var(--faq-rule);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-2);
}

.page-faq .faq-hero__plate::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan), rgba(69, 240, 211, 0) 68%);
  z-index: 1;
}

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

/* ===== 目录 + 问答主体 ===== */
.page-faq .faq-body {
  display: grid;
  gap: clamp(28px, 5vw, 64px);
  padding-block: clamp(36px, 5vw, 80px);
}

.page-faq .faq-index {
  border-top: 1px solid var(--faq-rule);
  padding-top: 16px;
}

.page-faq .faq-index__label {
  margin: 0 0 12px;
  font-family: var(--mono);
  font-size: 0.625rem;
  letter-spacing: 0.16em;
  color: var(--faq-mute);
}

.page-faq .faq-index__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-index__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 12px;
  border: 1px solid var(--faq-rule);
  border-radius: var(--radius);
  color: var(--faq-body);
  font-size: 0.875rem;
  line-height: 1.4;
  white-space: nowrap;
  text-decoration: none;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-faq .faq-index__num {
  font-family: var(--mono);
  font-size: 0.625rem;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

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

.page-faq .faq-group {
  scroll-margin-top: calc(var(--ticker-h) + 24px);
  padding-bottom: clamp(30px, 4.5vw, 52px);
}

.page-faq .faq-group + .faq-group {
  border-top: 1px solid var(--faq-rule);
  padding-top: clamp(30px, 4.5vw, 52px);
}

.page-faq .faq-group__head {
  margin-bottom: 6px;
}

.page-faq .faq-group__num {
  display: block;
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  color: var(--moss-t);
}

.page-faq .faq-group__head .h2 {
  margin: 10px 0 0;
  font-size: clamp(1.375rem, 3vw, 1.875rem);
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-group__sub {
  margin: 10px 0 20px;
  max-width: 58ch;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--faq-mute);
}

/* ===== 折叠问答 ===== */
.page-faq .qa {
  border-top: 1px solid var(--faq-rule);
}

.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 18px 2px;
  cursor: pointer;
  list-style: none;
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.6;
  color: var(--paper);
  transition: color 0.2s var(--ease);
}

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

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

.page-faq .qa__id {
  flex: 0 0 auto;
  padding-top: 0.3em;
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  color: var(--moss-t);
  transition: color 0.2s var(--ease);
}

.page-faq .qa__q::after {
  content: "+";
  flex: 0 0 auto;
  margin-left: auto;
  padding-left: 12px;
  font-family: var(--mono);
  font-size: 1rem;
  line-height: 1.5;
  color: var(--moss-t);
  transition: color 0.2s var(--ease);
}

.page-faq .qa[open] .qa__q::after {
  content: "–";
  color: var(--cyan);
}

.page-faq .qa[open] .qa__id {
  color: var(--cyan);
}

.page-faq .qa__a {
  padding: 0 4px 22px;
  font-size: 0.9375rem;
  line-height: 1.78;
  color: var(--faq-body);
  border-left: 1px solid transparent;
}

.page-faq .qa__a p {
  margin: 0 0 0.75em;
}

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

@media (min-width: 720px) {
  .page-faq .qa__a {
    padding-right: 72px;
  }
}

.page-faq .steps {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: faqstep;
}

.page-faq .steps li {
  position: relative;
  counter-increment: faqstep;
  margin-bottom: 10px;
  padding-left: 2.6rem;
  font-size: 0.9375rem;
  line-height: 1.72;
  color: var(--faq-body);
}

.page-faq .steps li::before {
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.15em;
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

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

/* ===== 安全章节配图 ===== */
.page-faq .faq-figure {
  margin: 0 0 clamp(22px, 3.5vw, 32px);
  border: 1px solid var(--faq-rule);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-2);
}

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

.page-faq .faq-figure figcaption {
  padding: 10px 14px;
  border-top: 1px solid var(--faq-rule);
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  line-height: 1.6;
  color: var(--faq-mute);
}

@media (min-width: 720px) {
  .page-faq .faq-figure {
    max-width: 620px;
  }
}

/* ===== 联系方式复制条 ===== */
.page-faq .faq-contact {
  margin-top: 16px;
  border: 1px solid var(--faq-rule);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-faq .faq-contact__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 12px;
  padding: 12px 14px;
  background: var(--ink-2);
}

.page-faq .faq-contact__row + .faq-contact__row {
  border-top: 1px solid var(--faq-rule);
}

.page-faq .faq-contact__k {
  flex: 0 0 auto;
  font-family: var(--mono);
  font-size: 0.625rem;
  letter-spacing: 0.14em;
  color: var(--faq-mute);
}

.page-faq .faq-contact__v {
  flex: 1 1 auto;
  min-width: 0;
  font-family: var(--mono);
  font-size: 0.8125rem;
  color: var(--paper);
  word-break: break-all;
}

.page-faq .faq-contact .copy-btn {
  flex: 0 0 auto;
  margin-left: auto;
  font-size: 0.75rem;
  padding: 6px 14px;
}

/* ===== 页尾引导 ===== */
.page-faq .faq-more {
  border-top: 1px solid var(--faq-rule);
  padding-block: clamp(32px, 5vw, 56px) clamp(48px, 7vw, 88px);
}

.page-faq .faq-more .h2 {
  margin: 0;
  font-size: clamp(1.25rem, 2.6vw, 1.625rem);
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-more__text {
  margin: 12px 0 22px;
  max-width: 58ch;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--faq-body);
}

.page-faq .faq-more__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ===== 桌面端：左侧目录固定 ===== */
@media (min-width: 960px) {
  .page-faq .faq-body {
    grid-template-columns: 210px minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--ticker-h) + 28px);
  }

  .page-faq .faq-index__list {
    display: block;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-index__item + .faq-index__item {
    margin-top: 2px;
  }

  .page-faq .faq-index__link {
    border-color: transparent;
    padding: 9px 6px;
    white-space: normal;
  }
}

@media (hover: hover) {
  .page-faq .faq-index__link:hover {
    color: var(--cyan);
    border-color: rgba(69, 240, 211, 0.38);
    background: rgba(69, 240, 211, 0.05);
  }

  .page-faq .qa__q:hover {
    color: var(--cyan);
  }
}
<<<END>>>