.page-faq {
  --faq-line: rgba(125, 147, 168, 0.22);
  --faq-panel: #0C2136;
  --faq-gap: clamp(18px, 2.6vw, 32px);
}

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

.page-faq .media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding-bottom: clamp(28px, 4vw, 56px);
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(53, 242, 208, 0.10), transparent 62%),
    radial-gradient(90% 80% at 0% 100%, rgba(61, 139, 255, 0.12), transparent 60%);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  margin-top: clamp(20px, 3vw, 36px);
}

.page-faq .faq-hero__lead h1 {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 900;
  font-size: clamp(1.9rem, 6vw, 3.35rem);
  line-height: 1.08;
  letter-spacing: -0.01em;
  margin: 0 0 18px;
  color: var(--paper);
}

.page-faq .faq-hero__lead .lede {
  max-width: 58ch;
  color: var(--paper-dim);
  line-height: 1.75;
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

/* 章节索引 */
.page-faq .faq-jump {
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(16, 42, 68, 0.9), rgba(8, 24, 43, 0.92));
  padding: 20px 18px;
  clip-path: polygon(var(--cut) 0, 100% 0, 100% 100%, 0 100%, 0 var(--cut));
}

.page-faq .faq-jump__title {
  margin: 0 0 14px;
  font-size: 0.72rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--steel);
}

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

.page-faq .faq-jump__list a {
  display: grid;
  grid-template-columns: 34px 1fr;
  align-items: center;
  gap: 6px;
  padding: 10px 8px;
  color: var(--paper);
  text-decoration: none;
  font-size: 0.94rem;
  border-left: 2px solid transparent;
  transition: border-color 0.18s ease, background 0.18s ease, color 0.18s ease;
}

.page-faq .faq-jump__list .mono {
  color: var(--cyan);
  font-size: 0.78rem;
}

.page-faq .faq-jump__list a:hover,
.page-faq .faq-jump__list a:focus-visible {
  border-left-color: var(--orange);
  background: rgba(53, 242, 208, 0.07);
}

/* ---------- 章节标题 ---------- */
.page-faq .faq-head {
  max-width: 68ch;
  margin-bottom: clamp(22px, 3vw, 36px);
}

.page-faq .faq-head .section-title {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 900;
  font-size: clamp(1.45rem, 3.6vw, 2.3rem);
  line-height: 1.16;
  margin: 0 0 14px;
  color: var(--paper);
}

.page-faq .faq-head .lede {
  color: var(--paper-dim);
  line-height: 1.75;
  margin: 0;
}

.page-faq h3 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.02rem, 2vw, 1.18rem);
  line-height: 1.35;
  margin: 0 0 8px;
  color: var(--paper);
}

.page-faq h3 + p {
  margin: 0;
  color: var(--paper-dim);
  line-height: 1.72;
}

.page-faq a {
  color: var(--f-blue);
}

.page-faq .faq-figure {
  margin: 0 0 clamp(22px, 3vw, 34px);
  border: 1px solid var(--line);
}

/* ---------- 三步时间轴 ---------- */
.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
  counter-reset: step;
}

.page-faq .faq-step {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 14px;
  padding: 18px 16px;
  background: var(--faq-panel);
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--steel);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut-sm)), calc(100% - var(--cut-sm)) 100%, 0 100%);
  transition: border-left-color 0.2s ease, background 0.2s ease;
}

.page-faq .faq-step:hover {
  background: var(--ink-800);
}

.page-faq .faq-step--current {
  border-left-color: var(--cyan);
  background: linear-gradient(100deg, rgba(53, 242, 208, 0.10), rgba(12, 33, 54, 0.9) 55%);
}

.page-faq .faq-step__num {
  align-self: start;
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1;
  color: var(--steel);
}

.page-faq .faq-step--current .faq-step__num {
  color: var(--cyan);
}

.page-faq .faq-step__body h3 {
  margin-bottom: 6px;
}

.page-faq .faq-step__body p {
  margin: 0 0 10px;
  color: var(--paper-dim);
  line-height: 1.7;
  font-size: 0.95rem;
}

/* ---------- 适配清单 ---------- */
.page-faq .faq-fit {
  display: grid;
  gap: var(--faq-gap);
}

.page-faq .fit-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.page-faq .fit-card {
  padding: 16px 14px;
  background: var(--ink-800);
  border: 1px solid var(--line-soft);
  border-top: 2px solid var(--line);
  clip-path: polygon(0 0, calc(100% - var(--cut-sm)) 0, 100% var(--cut-sm), 100% 100%, 0 100%);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-faq .fit-card__no {
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--steel);
}

.page-faq .fit-card h3 {
  font-size: 0.98rem;
  margin: 0;
}

.page-faq .fit-card p {
  font-size: 0.86rem;
  line-height: 1.62;
}

.page-faq .fit-card__dot {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  font-family: var(--font-mono);
  color: var(--steel);
}

.page-faq .fit-card__dot::before {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--steel);
  transform: rotate(45deg);
}

.page-faq .fit-card__dot--ok {
  color: var(--f-green);
}

.page-faq .fit-card__dot--ok::before {
  background: var(--f-green);
}

.page-faq .fit-card__dot--warn {
  color: var(--f-yellow);
}

.page-faq .fit-card__dot--warn::before {
  background: var(--f-yellow);
}

.page-faq .faq-fit__note {
  margin: 12px 0 0;
  font-size: 0.88rem;
  line-height: 1.68;
  color: var(--paper-dim);
  border-left: 2px solid var(--orange);
  padding-left: 12px;
}

/* ---------- 关注与提醒 ---------- */
.page-faq .faq-follow {
  display: grid;
  gap: var(--faq-gap);
}

.page-faq .faq-follow__main h3 {
  margin-top: 0;
}

.page-faq .faq-follow__main h3 + p {
  margin-bottom: 22px;
}

.page-faq .faq-follow__side {
  display: grid;
  gap: 12px;
}

.page-faq .follow-card {
  padding: 18px 16px;
  background: var(--faq-panel);
  border: 1px solid var(--line);
  display: grid;
  gap: 8px;
  align-content: start;
}

.page-faq .follow-card__time {
  margin: 0;
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--orange);
  letter-spacing: 0.02em;
}

.page-faq .follow-card h3 {
  margin: 0;
  font-size: 1rem;
}

.page-faq .follow-card p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.66;
  color: var(--paper-dim);
}

.page-faq .follow-card .tag {
  justify-self: start;
  margin-top: 4px;
}

/* ---------- 历史回溯 ---------- */
.page-faq .faq-history {
  display: grid;
  gap: 16px;
}

.page-faq .faq-history__filters {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-history__filters li {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 12px;
  padding: 14px 16px;
  background: var(--ink-800);
  border: 1px solid var(--line-soft);
}

.page-faq .faq-history__filters .mono {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--f-blue);
  line-height: 1.2;
}

.page-faq .faq-history__filters h3 {
  font-size: 0.96rem;
  margin: 0 0 4px;
}

.page-faq .faq-history__filters p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.66;
  color: var(--paper-dim);
}

.page-faq .season-box {
  border: 1px solid var(--line);
  background: linear-gradient(150deg, rgba(16, 42, 68, 0.85), rgba(8, 24, 43, 0.95));
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut-sm)), calc(100% - var(--cut-sm)) 100%, 0 100%);
}

.page-faq .season-box summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 0.98rem;
  color: var(--paper);
}

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

.page-faq .season-box summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.2rem;
  color: var(--cyan);
  line-height: 1;
}

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

.page-faq .season-box[open] summary {
  border-bottom: 1px solid var(--line-soft);
  color: var(--cyan);
}

.page-faq .season-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
  padding: 16px 18px;
}

.page-faq .season-cell {
  display: grid;
  gap: 2px;
  padding: 10px 10px;
  background: rgba(8, 24, 43, 0.72);
  border-left: 2px solid var(--line);
}

.page-faq .season-cell__k {
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--cyan);
}

.page-faq .season-cell__v {
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  color: var(--steel);
}

.page-faq .season-box__note {
  margin: 0;
  padding: 0 18px 18px;
  font-size: 0.84rem;
  line-height: 1.66;
  color: var(--paper-dim);
}

/* ---------- 更新节奏 ---------- */
.page-faq .faq-update {
  display: grid;
  gap: var(--faq-gap);
}

.page-faq .update-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 10px;
}

.page-faq .update-stats .stat {
  padding: 16px 14px;
  background: var(--ink-800);
  border-top: 2px solid var(--cyan);
  display: grid;
  gap: 6px;
}

.page-faq .update-stats .stat__num {
  font-size: clamp(1.9rem, 5vw, 2.6rem);
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
}

.page-faq .update-stats .stat__label {
  font-size: 0.82rem;
  line-height: 1.5;
  color: var(--paper-dim);
}

.page-faq .update-card {
  padding: 20px 18px;
  background: var(--faq-panel);
  border: 1px solid var(--line);
  display: grid;
  gap: 12px;
}

.page-faq .update-card h3 {
  margin: 0;
}

.page-faq .update-card__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-faq .update-card__list li {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 8px;
  font-size: 0.9rem;
  line-height: 1.62;
  color: var(--paper-dim);
  padding-bottom: 8px;
  border-bottom: 1px dashed var(--line-soft);
}

.page-faq .update-card__list .mono {
  color: var(--orange);
  font-weight: 700;
  font-size: 0.8rem;
}

.page-faq .update-card__note {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--paper-dim);
}

/* ---------- 常见故障 ---------- */
.page-faq .qa-list {
  display: grid;
  gap: 8px;
}

.page-faq .qa {
  border: 1px solid var(--line-soft);
  background: var(--ink-800);
  clip-path: polygon(0 0, calc(100% - var(--cut-sm)) 0, 100% var(--cut-sm), 100% 100%, 0 100%);
}

.page-faq .qa summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  padding: 15px 16px;
  font-size: 0.96rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper);
  transition: color 0.18s ease, background 0.18s ease;
}

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

.page-faq .qa summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  line-height: 1.2;
  color: var(--cyan);
}

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

.page-faq .qa[open] summary {
  color: var(--cyan);
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .qa summary:hover {
  background: rgba(53, 242, 208, 0.06);
}

.page-faq .qa__body {
  padding: 14px 16px 16px;
  border-top: 2px solid var(--line-soft);
}

.page-faq .qa__body p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--paper-dim);
}

/* 支持引导 */
.page-faq .faq-help {
  margin-top: clamp(22px, 3vw, 34px);
  padding: 20px 18px;
  display: grid;
  gap: 16px;
  align-items: center;
  background: linear-gradient(105deg, rgba(255, 138, 61, 0.14), rgba(12, 33, 54, 0.95) 58%);
  border: 1px solid var(--line);
}

.page-faq .faq-help h3 {
  margin: 0 0 6px;
}

.page-faq .faq-help p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--paper-dim);
}

.page-faq .faq-help .btn {
  justify-self: start;
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-faq .fit-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-faq .faq-step {
    grid-template-columns: 64px 1fr;
    padding: 20px 22px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(260px, 0.85fr);
    align-items: start;
  }

  .page-faq .faq-fit {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-follow {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-history {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
    gap: 22px;
  }

  .page-faq .faq-update {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: start;
  }

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

  .page-faq .faq-help {
    grid-template-columns: 1fr auto;
    padding: 24px 26px;
  }

  .page-faq .faq-help .btn {
    justify-self: end;
  }
}

@media (min-width: 1100px) {
  .page-faq .faq-step__num {
    font-size: 1.8rem;
  }
}

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