.page-faq {
  --faq-aside: 236px;
  --faq-gap: 64px;
  background: var(--c-paper);
  color: var(--c-ink);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  background: var(--c-paper);
  border-bottom: 1px solid var(--c-line);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -42%;
  right: -16%;
  width: 58%;
  height: 196%;
  background: linear-gradient(155deg, rgba(176, 18, 47, .10), rgba(199, 162, 74, .06) 55%, rgba(176, 18, 47, 0));
  transform: rotate(9deg);
  border-left: 1px solid rgba(199, 162, 74, .32);
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  padding-top: 24px;
  padding-bottom: 44px;
}

.page-faq .faq-hero .breadcrumb {
  margin: 0 0 18px;
  font-size: 12.5px;
}

.page-faq .faq-hero .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--c-red);
  text-transform: uppercase;
}

.page-faq .faq-hero h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(30px, 5.6vw, 54px);
  line-height: 1.14;
  letter-spacing: -.01em;
  color: var(--c-ink);
  max-width: 15em;
}

.page-faq .faq-hero .lede {
  margin: 18px 0 0;
  max-width: 40em;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--c-ink-2);
}

.page-faq .faq-hero__stats {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(132px, 1fr));
}

.page-faq .faq-hero__stats li {
  padding-top: 12px;
  border-top: 1px solid var(--c-line);
}

.page-faq .faq-hero__stats .mono {
  display: block;
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 600;
  color: var(--c-red);
  letter-spacing: .01em;
}

.page-faq .faq-hero__stats span + span {
  display: block;
  margin-top: 4px;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--c-muted);
}

.page-faq .faq-hero__art {
  margin: 0;
  padding-left: 14px;
  border-left: 3px solid var(--c-red);
}

.page-faq .faq-hero__art img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--r-md);
  box-shadow: var(--shadow-2);
  background: var(--c-warm);
  object-fit: cover;
}

/* ---------- 场景直达条 ---------- */
.page-faq .faq-scenarios {
  background: var(--c-warm);
  border-bottom: 1px solid var(--c-line);
  padding: 18px 0 20px;
}

.page-faq .faq-scenarios__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--c-muted);
}

.page-faq .faq-scenarios__list {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-scenarios__list a {
  display: inline-block;
  padding: 7px 14px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-pill);
  background: var(--c-paper);
  color: var(--c-ink-2);
  font-size: 13.5px;
  line-height: 1.5;
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-faq .faq-scenarios__list a:hover {
  color: var(--c-red);
  border-color: var(--c-gold);
  transform: translateY(-1px);
}

.page-faq .faq-scenarios__list a:focus-visible {
  outline: 2px solid var(--c-gold);
  outline-offset: 2px;
}

/* ---------- 主体布局 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
  padding-top: 40px;
  padding-bottom: 56px;
}

/* 分类索引：窄屏为横向胶囊 */
.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--c-muted);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0 0 4px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-index__link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  white-space: nowrap;
  padding: 7px 13px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-pill);
  background: var(--c-paper);
  color: var(--c-ink-2);
  font-size: 13.5px;
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-faq .faq-index__num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--c-gold);
  letter-spacing: .04em;
}

.page-faq .faq-index__link:hover {
  color: var(--c-red);
  border-color: var(--c-gold);
}

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

.page-faq .faq-index__note {
  display: none;
}

/* ---------- 问答题块 ---------- */
.page-faq .faq-block + .faq-block {
  margin-top: 56px;
}

.page-faq .faq-block__head {
  padding-top: 14px;
  border-top: 1px solid var(--c-ink);
}

.page-faq .faq-block__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--c-red);
}

.page-faq .faq-block__head h2 {
  margin: 8px 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 3.4vw, 30px);
  line-height: 1.25;
  color: var(--c-ink);
}

.page-faq .faq-block__head p {
  margin: 0;
  max-width: 40em;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--c-muted);
}

.page-faq .faq-figure {
  margin: 24px 0 4px;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--r-md);
  border: 1px solid var(--c-line);
  background: var(--c-warm);
  object-fit: cover;
}

.page-faq .faq-list {
  margin-top: 18px;
}

.page-faq .faq-item {
  margin-top: 10px;
  border: 1px solid var(--c-line);
  border-left: 3px solid var(--c-line);
  border-radius: var(--r-sm);
  background: var(--c-paper);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-faq .faq-item:hover {
  border-left-color: var(--c-gold);
}

.page-faq .faq-item[open] {
  border-left-color: var(--c-red);
  box-shadow: var(--shadow-1);
}

.page-faq .faq-item summary {
  position: relative;
  display: block;
  list-style: none;
  cursor: pointer;
  padding: 15px 44px 15px 15px;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.6;
  color: var(--c-ink);
  border-radius: var(--r-sm);
  transition: color var(--dur) var(--ease);
}

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

.page-faq .faq-item summary::after {
  content: "+";
  position: absolute;
  top: 50%;
  right: 15px;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1;
  color: var(--c-gold);
}

.page-faq .faq-item[open] summary::after {
  content: "−";
  color: var(--c-red);
}

.page-faq .faq-item summary:focus-visible {
  outline: 2px solid var(--c-gold);
  outline-offset: 2px;
}

.page-faq .faq-answer {
  padding: 0 15px 18px;
  max-width: 700px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--c-ink-2);
}

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

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

.page-faq .faq-path {
  margin: 10px 0 12px;
}

.page-faq .path {
  display: inline-block;
  max-width: 100%;
  padding: 6px 11px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-sm);
  background: var(--c-warm);
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--c-ink-2);
  word-break: break-word;
  text-decoration: none;
}

.page-faq a.path {
  border-color: var(--c-mist);
  background: var(--c-mist);
  color: var(--c-green);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-faq a.path:hover {
  border-color: var(--c-green);
  color: var(--c-green);
}

.page-faq a.path:focus-visible {
  outline: 2px solid var(--c-gold);
  outline-offset: 2px;
}

/* ---------- 快速排查 ---------- */
.page-faq .faq-check {
  background: var(--c-ink);
  color: var(--c-paper);
  padding: 46px 0 50px;
}

.page-faq .faq-check .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--c-gold);
}

.page-faq .faq-check h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(23px, 3.6vw, 34px);
  line-height: 1.28;
  color: var(--c-paper);
  max-width: 18em;
}

.page-faq .faq-check__steps {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  counter-reset: faqstep;
}

.page-faq .faq-check__steps li {
  counter-increment: faqstep;
  padding-top: 14px;
  border-top: 1px solid rgba(250, 248, 244, .22);
}

.page-faq .faq-check__steps li::before {
  content: counter(faqstep, decimal-leading-zero);
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 17px;
  letter-spacing: .04em;
  color: var(--c-gold);
}

.page-faq .faq-check__steps h3 {
  margin: 0 0 6px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--c-paper);
}

.page-faq .faq-check__steps p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: rgba(250, 248, 244, .72);
}

.page-faq .faq-check__tail {
  margin: 28px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(250, 248, 244, .78);
}

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

.page-faq .faq-check__tail a:hover {
  color: var(--c-paper);
}

.page-faq .faq-check__tail a:focus-visible {
  outline: 2px solid var(--c-gold);
  outline-offset: 3px;
}

/* ---------- 底部联络 ---------- */
.page-faq .faq-contact {
  padding: 44px 0 60px;
  background: var(--c-paper);
  border-top: 1px solid var(--c-line);
}

.page-faq .faq-contact h2 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 3.2vw, 30px);
  line-height: 1.3;
  color: var(--c-ink);
}

.page-faq .faq-contact p {
  margin: 0;
  max-width: 44em;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--c-ink-2);
}

.page-faq .faq-contact__ops {
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 20px;
}

.page-faq .faq-contact__line {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--c-ink-2);
  word-break: break-all;
}

/* ---------- 桌面 ---------- */
@media (min-width: 980px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    align-items: center;
    gap: 56px;
    padding-top: 30px;
    padding-bottom: 64px;
  }

  .page-faq .faq-layout {
    grid-template-columns: var(--faq-aside) minmax(0, 1fr);
    gap: var(--faq-gap);
    padding-top: 60px;
    padding-bottom: 72px;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--header-gap) + 12px);
    align-self: start;
  }

  .page-faq .faq-index__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-index__link {
    white-space: normal;
    padding: 9px 12px;
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    background: transparent;
    transform: none;
  }

  .page-faq .faq-index__link:hover {
    border-left-color: var(--c-gold);
    background: var(--c-warm);
    color: var(--c-red);
  }

  .page-faq .faq-index__note {
    display: block;
    margin-top: 22px;
    padding-top: 16px;
    border-top: 1px solid var(--c-line);
  }

  .page-faq .faq-index__note p {
    margin: 0 0 12px;
    font-size: 13px;
    line-height: 1.7;
    color: var(--c-muted);
  }

  .page-faq .faq-block__head p {
    font-size: 15px;
  }

  .page-faq .faq-item summary {
    font-size: 15.5px;
    padding: 17px 48px 17px 18px;
  }

  .page-faq .faq-answer {
    padding: 0 18px 20px;
    font-size: 15px;
  }

  .page-faq .faq-check {
    padding: 58px 0 62px;
  }

  .page-faq .faq-check__steps {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 22px;
  }

  .page-faq .faq-contact {
    padding: 56px 0 72px;
  }

  .page-faq .faq-contact__inner {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 44px;
  }

  .page-faq .faq-contact__ops {
    margin-top: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
}

@media (min-width: 1280px) {
  .page-faq .faq-hero__art {
    padding-left: 18px;
  }
}