.page-faq {
  background: var(--ink);
  color: var(--fog);
  font-family: var(--font-body);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 4vw, 40px) 0 clamp(32px, 5vw, 62px);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(120% 130% at 88% -20%, rgba(45, 226, 230, 0.16), transparent 62%),
    radial-gradient(90% 90% at -10% 130%, rgba(255, 107, 74, 0.12), transparent 58%),
    var(--ink);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -70px;
  top: 18%;
  width: 280px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--coral));
  transform: rotate(-30deg);
  pointer-events: none;
}

.page-faq .crumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-faq .crumb li {
  display: flex;
  align-items: center;
}

.page-faq .crumb li + li::before {
  content: "/";
  margin: 0 8px;
  color: var(--line);
}

.page-faq .crumb a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-faq .crumb a:hover {
  color: var(--coral-soft);
  border-color: var(--coral-soft);
}

.page-faq .crumb [aria-current="page"] {
  color: var(--fog);
}

.page-faq .faq-kicker {
  margin: 22px 0 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.24em;
  color: var(--coral);
}

.page-faq h1 {
  margin: 16px 0 20px;
  max-width: 13em;
  font-family: var(--font-title);
  font-size: clamp(32px, 6.2vw, 66px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.035em;
  color: var(--fog);
}

.page-faq .faq-lede {
  max-width: 44em;
  margin: 0 0 clamp(24px, 4vw, 38px);
  font-size: clamp(14.5px, 1.6vw, 17px);
  line-height: 1.9;
  color: var(--mist);
}

.page-faq .faq-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-stats li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 122px;
  padding: 12px 24px 0 0;
  border-top: 2px solid var(--coral);
}

.page-faq .stat-num {
  font-family: var(--font-mono);
  font-size: 21px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--cyan);
}

.page-faq .stat-label {
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

/* ---------- 抽屉式布局 ---------- */
.page-faq .kb-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 4vw, 46px);
  padding-top: clamp(30px, 5vw, 58px);
  padding-bottom: clamp(56px, 8vw, 96px);
}

.page-faq .kb-index {
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.page-faq .kb-index-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--mist);
}

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

.page-faq .kb-index-list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 15px;
  font-size: 13.5px;
  color: var(--mist);
  text-decoration: none;
  white-space: nowrap;
  background: var(--coal);
  box-shadow: inset 0 0 0 1px var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%);
  transition: color 180ms var(--ease), background-color 180ms var(--ease), box-shadow 180ms var(--ease);
}

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

.page-faq .kb-index-list a:hover {
  background: var(--slate);
  color: var(--fog);
  box-shadow: inset 0 0 0 1px var(--cyan);
}

.page-faq .kb-index-list a:focus-visible {
  background: var(--slate);
  color: var(--fog);
  box-shadow: inset 0 0 0 2px var(--cyan);
  outline: none;
}

.page-faq .kb-body {
  min-width: 0;
}

/* ---------- 章节 ---------- */
.page-faq .kb-section {
  margin-top: clamp(28px, 4vw, 46px);
  padding-top: clamp(26px, 4vw, 42px);
  border-top: 1px solid var(--line);
}

.page-faq .kb-section:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

.page-faq .kb-head {
  margin-bottom: clamp(18px, 3vw, 26px);
}

.page-faq .kb-num {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--coral);
}

.page-faq .kb-head h2 {
  margin: 0 0 10px;
  font-family: var(--font-title);
  font-size: clamp(21px, 3vw, 33px);
  font-weight: 800;
  line-height: 1.28;
  letter-spacing: -0.02em;
  color: var(--fog);
}

.page-faq .kb-sub {
  max-width: 42em;
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .kb-tail {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .inline-link {
  color: var(--coral-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 154, 122, 0.42);
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-faq .inline-link:hover {
  color: var(--cyan);
  border-color: var(--cyan);
}

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

/* ---------- 快速结论 ---------- */
.page-faq .qa-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
}

.page-faq .qa-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  align-items: start;
}

.page-faq .qa-card {
  position: relative;
  padding: 20px 20px 18px;
  background: var(--coal);
  box-shadow: inset 0 0 0 1px var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
  transition: transform 200ms var(--ease), box-shadow 200ms var(--ease);
}

.page-faq .qa-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--coral);
}

.page-faq .qa-card:hover {
  transform: translateY(-2px);
  box-shadow: inset 0 0 0 1px var(--cyan);
}

.page-faq .qa-id {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-faq .qa-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-title);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: -0.01em;
  color: var(--fog);
}

.page-faq .qa-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .qa-aside {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-faq .qa-aside-note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 折叠 ---------- */
.page-faq details {
  margin-top: 14px;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
}

.page-faq summary {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--coral-soft);
  transition: color 160ms var(--ease);
}

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

.page-faq summary::before {
  content: "+";
  font-size: 15px;
  line-height: 1;
  color: var(--coral);
}

.page-faq details[open] summary::before {
  content: "−";
}

.page-faq summary:hover {
  color: var(--cyan);
}

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

.page-faq details p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .kb-section > details {
  margin-top: 14px;
  padding: 16px 18px;
  border-top: none;
  background: var(--coal);
  box-shadow: inset 0 0 0 1px var(--line);
}

.page-faq .kb-section > details p {
  font-size: 13.5px;
}

/* ---------- 图框 ---------- */
.page-faq .kb-figure {
  margin: 0;
  overflow: hidden;
  background: var(--coal);
  box-shadow: inset 0 0 0 1px var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
}

.page-faq .kb-figure--wide {
  margin-bottom: 20px;
}

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

.page-faq .kb-figure figcaption {
  padding: 12px 15px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 月份刻度 ---------- */
.page-faq .month-switch {
  padding: 16px;
  background: var(--coal);
  box-shadow: inset 0 0 0 1px var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
}

.page-faq .month-ticks {
  position: relative;
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  gap: 3px;
}

.page-faq .month-ticks input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  opacity: 0;
  pointer-events: none;
}

.page-faq .month-ticks label {
  display: block;
  padding: 9px 0;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 9.5px;
  color: var(--mist);
  background: var(--slate);
  cursor: pointer;
  transition: background-color 160ms var(--ease), color 160ms var(--ease), box-shadow 160ms var(--ease);
}

.page-faq .month-ticks label:hover {
  background: var(--deep-teal);
  color: var(--fog);
}

.page-faq .month-ticks input:checked + label {
  background: var(--cyan);
  color: var(--ink);
  font-weight: 700;
}

.page-faq .month-ticks input:focus-visible + label {
  box-shadow: inset 0 0 0 2px var(--coral);
}

.page-faq .month-hint {
  margin: 12px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 时间轴 ---------- */
.page-faq .tl {
  display: grid;
  gap: 18px;
  margin: 22px 0 0;
  padding: 0 0 0 20px;
  list-style: none;
  border-left: 1px dashed var(--line);
}

.page-faq .tl li {
  position: relative;
}

.page-faq .tl li::before {
  content: "";
  position: absolute;
  left: -26px;
  top: 5px;
  width: 9px;
  height: 9px;
  background: var(--ink);
  border: 2px solid var(--cyan);
  transform: rotate(45deg);
}

.page-faq .tl-date {
  margin: 0 0 4px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-faq .tl-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 订阅三步 ---------- */
.page-faq .steps {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .steps li {
  padding: 18px 16px;
  background: var(--slate);
  box-shadow: inset 0 0 0 1px var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
}

.page-faq .steps .mono {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-faq .steps strong {
  display: block;
  margin-bottom: 6px;
  font-size: 15px;
  color: var(--fog);
}

.page-faq .steps p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--mist);
}

.page-faq .reminders {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .reminders li {
  padding: 14px 16px;
  background: var(--deep-teal);
  border-left: 3px solid var(--cyan);
}

.page-faq .reminders strong {
  display: block;
  margin-bottom: 4px;
  font-size: 14px;
  color: var(--fog);
}

.page-faq .reminders span {
  display: block;
  font-size: 13px;
  line-height: 1.75;
  color: rgba(242, 246, 248, 0.82);
}

/* ---------- 路径 ---------- */
.page-faq .rail {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .rail li {
  position: relative;
  padding: 20px 16px 16px;
  background: var(--coal);
  box-shadow: inset 0 0 0 1px var(--line);
}

.page-faq .rail li::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: var(--coral);
}

.page-faq .rail .mono {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--coral);
}

.page-faq .rail strong {
  display: block;
  margin-bottom: 6px;
  font-size: 15px;
  color: var(--fog);
}

.page-faq .rail p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--mist);
}

/* ---------- 规则三层 ---------- */
.page-faq .layers {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .layers li {
  padding: 18px 16px;
  background: linear-gradient(158deg, var(--slate), var(--coal));
  box-shadow: inset 0 0 0 1px var(--line);
}

.page-faq .layers h3 {
  margin: 0 0 8px;
  font-family: var(--font-title);
  font-size: 15px;
  font-weight: 700;
  color: var(--fog);
}

.page-faq .layers p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 联系 ---------- */
.page-faq .support-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-faq .support-card {
  padding: 22px 20px;
  background: var(--coal);
  box-shadow: inset 0 0 0 1px var(--line);
}

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

.page-faq .contact-list li {
  display: grid;
  gap: 5px;
}

.page-faq .contact-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--mist);
}

.page-faq .contact-value {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--fog);
  word-break: break-word;
}

.page-faq .support-note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .support-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin: 16px 0 0;
  font-size: 14px;
}

/* ---------- 断点 ---------- */
@media (min-width: 520px) {
  .page-faq .month-ticks {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }
}

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

  .page-faq .qa-grid > .qa-card:nth-child(even) {
    margin-top: 30px;
  }

  .page-faq .steps,
  .page-faq .rail,
  .page-faq .layers {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .reminders {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 720px) {
  .page-faq .support-grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
  }
}

@media (min-width: 860px) {
  .page-faq .qa-wrap {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-faq .kb-layout {
    grid-template-columns: 200px minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .kb-index {
    position: sticky;
    top: calc(var(--band-h) + 20px);
    padding-top: 0;
    border-top: none;
  }

  .page-faq .kb-index-list {
    display: grid;
    gap: 6px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .month-ticks {
    grid-template-columns: repeat(24, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa-card,
  .page-faq .qa-card:hover {
    transform: none;
  }

  .page-faq .qa-card,
  .page-faq .kb-index-list a,
  .page-faq .month-ticks label,
  .page-faq .inline-link,
  .page-faq .crumb a,
  .page-faq summary {
    transition: none;
  }
}
<<<PAGE_CSS_END>>>
<<<END>>>