.page-faq {
  --faq-shadow: 0 22px 48px -32px rgba(13, 12, 10, 0.62);
  --faq-radius: var(--radius);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--paper-white);
  padding-block: clamp(48px, 8vw, 104px);
  border-bottom: 2px solid var(--gold);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -34%;
  right: -14%;
  width: min(56%, 560px);
  aspect-ratio: 1 / 1;
  background: linear-gradient(135deg, rgba(217, 164, 65, 0.34), rgba(217, 164, 65, 0) 64%);
  clip-path: polygon(100% 0, 100% 100%, 0 0);
  pointer-events: none;
}

.page-faq .faq-hero-mark {
  position: absolute;
  right: clamp(-10px, 2vw, 36px);
  bottom: -8%;
  font-family: var(--font-mono);
  font-size: clamp(96px, 21vw, 250px);
  line-height: 0.78;
  letter-spacing: -0.04em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(241, 206, 131, 0.2);
  pointer-events: none;
  user-select: none;
}

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

.page-faq .faq-hero .breadcrumb {
  margin-bottom: clamp(20px, 4vw, 34px);
}

.page-faq .faq-hero .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
}

.page-faq .faq-hero .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--on-ink-soft);
}

.page-faq .faq-hero .breadcrumb a {
  color: var(--on-ink);
  text-decoration: none;
  border-bottom: 1px solid rgba(241, 206, 131, 0.42);
}

.page-faq .faq-hero .breadcrumb a:hover {
  color: var(--gold-bright);
  border-bottom-color: var(--gold-bright);
}

.page-faq .faq-hero .breadcrumb [aria-current="page"] {
  color: var(--gold-bright);
}

.page-faq .faq-hero .kicker {
  color: var(--gold);
}

.page-faq .faq-hero h1 {
  margin: 0 0 clamp(18px, 3vw, 26px);
  max-width: 15ch;
  font-size: clamp(34px, 6.4vw, 74px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  font-weight: 900;
  color: var(--paper-white);
}

.page-faq .faq-hl {
  color: var(--gold-bright);
}

.page-faq .faq-hero .lead {
  max-width: 56ch;
  margin: 0 0 clamp(24px, 4vw, 34px);
  font-size: clamp(15px, 2.2vw, 18px);
  line-height: 1.8;
  color: var(--on-ink);
}

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

/* ---------- 通用章节头 ---------- */
.page-faq .section-head {
  max-width: 62ch;
}

.page-faq .section-head h2 {
  margin: 0 0 14px;
  font-size: clamp(24px, 4.2vw, 36px);
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-faq .section-head .lead {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-faq .section--dark .section-head h2 {
  color: var(--paper-white);
}

.page-faq .section--dark .section-head .lead {
  color: var(--on-ink);
}

.page-faq .section--dark .kicker {
  color: var(--gold);
}

.page-faq .faq-steps-section .section-head,
.page-faq .faq-compare .section-head,
.page-faq .faq-qa .section-head {
  margin-bottom: clamp(28px, 4vw, 44px);
}

/* ---------- 四步 ---------- */
.page-faq .faq-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-step {
  position: relative;
  padding: 22px 20px 24px;
  background: var(--paper-white);
  border: 1px solid var(--line);
  border-top: 2px solid var(--gold);
  border-radius: var(--faq-radius);
  box-shadow: var(--faq-shadow);
  transition: transform 0.26s var(--ease), border-color 0.26s var(--ease);
}

.page-faq .faq-step:hover {
  transform: translateY(-3px);
  border-color: rgba(217, 164, 65, 0.55);
}

.page-faq .faq-step-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(34px, 5vw, 44px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--gold);
}

.page-faq .faq-step h3 {
  margin: 14px 0 8px;
  font-size: 20px;
  line-height: 1.3;
  color: var(--ink);
}

.page-faq .faq-step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text-soft);
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: clamp(28px, 4vw, 46px) 0 0;
}

.page-faq .faq-figure .media-frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  background: var(--ink-2);
}

.page-faq .faq-figure .media-frame::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 46px;
  height: 46px;
  background: linear-gradient(135deg, transparent 48%, rgba(217, 164, 65, 0.85) 100%);
  pointer-events: none;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-faq .faq-figure--compare img {
  aspect-ratio: 12 / 7;
}

.page-faq .faq-figure .media-caption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--grey);
}

/* ---------- 两端对照表 ---------- */
.page-faq .faq-table-wrap {
  margin-top: clamp(24px, 4vw, 40px);
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  background: var(--paper-white);
  box-shadow: var(--faq-shadow);
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 15px;
}

.page-faq .faq-table caption {
  padding: 16px 18px 0;
  text-align: left;
  font-size: 13px;
  color: var(--grey);
}

.page-faq .faq-table th,
.page-faq .faq-table td {
  padding: 16px 18px;
  text-align: left;
  vertical-align: top;
  line-height: 1.72;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-table thead th {
  background: var(--ink);
  color: var(--gold-bright);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  white-space: nowrap;
  border-bottom: 0;
}

.page-faq .faq-table tbody th {
  width: 148px;
  color: var(--ink);
  font-weight: 700;
  white-space: nowrap;
  background: rgba(217, 164, 65, 0.07);
}

.page-faq .faq-table tbody td {
  color: var(--text-soft);
}

.page-faq .faq-table tbody tr:last-child th,
.page-faq .faq-table tbody tr:last-child td {
  border-bottom: 0;
}

/* ---------- 问答主体 ---------- */
.page-faq .faq-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
}

.page-faq .faq-aside {
  padding: 18px 16px 20px;
  background: var(--paper-white);
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
}

.page-faq .faq-aside-title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--grey);
}

.page-faq .faq-index {
  display: grid;
  gap: 2px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-index a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 12px;
  border-left: 2px solid transparent;
  border-radius: 0 var(--faq-radius) var(--faq-radius) 0;
  text-decoration: none;
  color: var(--text);
  font-size: 15px;
  transition: background-color 0.24s var(--ease), border-color 0.24s var(--ease), color 0.24s var(--ease);
}

.page-faq .faq-index a:hover,
.page-faq .faq-index a:focus-visible {
  background: rgba(217, 164, 65, 0.13);
  border-left-color: var(--gold);
  color: var(--ink);
}

.page-faq .faq-index .mono {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--gold-deep);
}

.page-faq .faq-index-label {
  flex: 1 1 auto;
}

.page-faq .faq-index em {
  font-family: var(--font-mono);
  font-style: normal;
  font-size: 12px;
  color: var(--grey);
}

/* ---------- 分组 ---------- */
.page-faq .faq-group + .faq-group {
  margin-top: clamp(30px, 5vw, 52px);
}

.page-faq .faq-group-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--ink);
}

.page-faq .faq-group-num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--gold-deep);
}

.page-faq .faq-group-head h3 {
  margin: 0;
  font-size: clamp(19px, 2.6vw, 23px);
  line-height: 1.3;
  color: var(--ink);
}

.page-faq .faq-list,
.page-faq .faq-group .collapse {
  border-bottom: 1px solid var(--line);
}

.page-faq .collapse-trigger {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  width: 100%;
  padding: 18px 2px;
  background: none;
  border: 0;
  text-align: left;
  font: inherit;
  color: var(--text);
  cursor: pointer;
}

.page-faq .collapse-trigger::after {
  content: "+";
  flex: 0 0 auto;
  margin-left: auto;
  padding-left: 14px;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1.1;
  color: var(--gold);
  transition: color 0.24s var(--ease);
}

.page-faq .collapse-trigger[aria-expanded="true"]::after {
  content: "–";
  color: var(--jade);
}

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

.page-faq .faq-q-index {
  flex: 0 0 auto;
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--gold-deep);
}

.page-faq .faq-q-text {
  flex: 1 1 auto;
  font-size: clamp(15px, 2.2vw, 17px);
  font-weight: 600;
  line-height: 1.6;
  color: var(--text);
  transition: color 0.24s var(--ease);
}

.page-faq .collapse-trigger:hover .faq-q-text,
.page-faq .collapse-trigger[aria-expanded="true"] .faq-q-text {
  color: var(--ink);
}

.page-faq .collapse-panel[hidden] {
  display: none;
}

.page-faq .collapse-panel > p {
  margin: 0;
  padding: 0 34px 20px 40px;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.82;
  color: var(--text-soft);
}

/* ---------- 排查三步 ---------- */
.page-faq .faq-trouble-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-dark);
}

.page-faq .faq-trouble-list li {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 18px;
  row-gap: 6px;
  padding: clamp(22px, 3.4vw, 32px) 0;
  border-bottom: 1px solid var(--line-dark);
}

.page-faq .faq-trouble-num {
  grid-row: 1 / span 2;
  font-family: var(--font-mono);
  font-size: clamp(30px, 5vw, 46px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--gold);
}

.page-faq .faq-trouble-list h3 {
  margin: 0;
  font-size: clamp(18px, 2.6vw, 22px);
  line-height: 1.3;
  color: var(--paper-white);
}

.page-faq .faq-trouble-list p {
  grid-column: 2;
  margin: 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--on-ink);
}

/* ---------- 人工通道 ---------- */
.page-faq .faq-help-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 52px);
  align-items: start;
}

.page-faq .faq-help-copy h2 {
  margin: 0 0 16px;
  font-size: clamp(24px, 4vw, 34px);
  line-height: 1.2;
  color: var(--ink);
}

.page-faq .faq-help-copy p {
  margin: 0 0 24px;
  max-width: 52ch;
  font-size: 16px;
  line-height: 1.82;
  color: var(--text-soft);
}

.page-faq .faq-contact-list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 2px solid var(--gold);
}

.page-faq .faq-contact-list li {
  display: grid;
  gap: 6px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-contact-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--grey);
}

.page-faq .faq-contact-value {
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.4vw, 18px);
  line-height: 1.5;
  color: var(--ink);
  word-break: break-word;
}

.page-faq .faq-contact-note {
  font-size: 13px;
  line-height: 1.7;
  color: var(--grey);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-hero-actions .btn {
    min-width: 168px;
  }

  .page-faq .faq-contact-list li {
    grid-template-columns: 120px minmax(0, 1fr);
    align-items: baseline;
    column-gap: 20px;
  }

  .page-faq .faq-contact-note {
    grid-column: 2;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-help-inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  }

  .page-faq .faq-contact-list {
    border-top-width: 2px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-body {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: clamp(32px, 4vw, 56px);
  }

  .page-faq .faq-aside {
    position: sticky;
    top: calc(var(--header-h) + 20px);
  }

  .page-faq .faq-steps {
    gap: 16px;
  }

  .page-faq .faq-trouble-list li {
    grid-template-columns: 120px minmax(0, 1fr);
  }
}

@media (min-width: 1120px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 639px) {
  .page-faq .faq-figure .media-frame::after {
    width: 34px;
    height: 34px;
  }

  .page-faq .collapse-panel > p {
    padding: 0 0 18px 26px;
  }

  .page-faq .faq-trouble-list li {
    grid-template-columns: 1fr;
    row-gap: 10px;
  }

  .page-faq .faq-trouble-num {
    grid-row: auto;
    font-size: 30px;
  }

  .page-faq .faq-trouble-list p {
    grid-column: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-step,
  .page-faq .collapse-trigger::after,
  .page-faq .faq-index a {
    transition: none;
  }

  .page-faq .faq-step:hover {
    transform: none;
  }
}