.page-faq {
  --faq-line: rgba(46, 211, 194, 0.34);
  --faq-soft: rgba(143, 166, 196, 0.22);
  --faq-body: rgba(246, 241, 228, 0.78);
  --faq-hover: #1C3258;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: calc(var(--header-top) + 96px) 0 clamp(28px, 5vw, 56px);
  overflow: hidden;
}

.page-faq .faq-hero__frame {
  position: relative;
  padding: clamp(24px, 4.5vw, 56px) clamp(18px, 4vw, 52px) clamp(24px, 4vw, 44px);
  border: 1px solid var(--faq-line);
  background:
    radial-gradient(120% 95% at 84% 6%, rgba(46, 211, 194, 0.16), transparent 62%),
    radial-gradient(95% 80% at 6% 98%, rgba(244, 198, 63, 0.13), transparent 64%),
    var(--ink-900);
}

.page-faq .faq-hero__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(2.15rem, 8vw, 4.4rem);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-faq .faq-hero__lede {
  max-width: 34ch;
  margin: clamp(16px, 2.5vw, 24px) 0 0;
  font-size: var(--step-18);
  line-height: 1.8;
  color: var(--faq-body);
}

.page-faq .faq-hero__tip {
  margin: 20px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--faq-soft);
  font-family: var(--font-mono);
  font-size: var(--step-14);
  letter-spacing: 0.02em;
  color: var(--mist);
}

/* ---------- 主体骨架 ---------- */
.page-faq .faq-layout {
  display: block;
  padding-bottom: clamp(32px, 6vw, 64px);
}

.page-faq .faq-flow {
  min-width: 0;
}

.page-faq .faq-chapter {
  padding-top: clamp(36px, 6vw, 72px);
  scroll-margin-top: calc(var(--header-top) + 104px);
}

.page-faq .faq-band {
  height: 12px;
  margin-bottom: 20px;
  background: var(--teal);
}

.page-faq .faq-band--yellow { background: var(--yellow); }
.page-faq .faq-band--orange { background: var(--orange); }

.page-faq .faq-chapter__head {
  margin-bottom: clamp(20px, 3.5vw, 36px);
}

.page-faq .faq-chapter__head h2 {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 5.4vw, 2.85rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--paper);
  transition: color 200ms var(--ease);
}

.page-faq .faq-chapter:target .faq-chapter__head h2 {
  color: var(--yellow);
}

.page-faq .faq-chapter__sub,
.page-faq .faq-chapter__lead {
  max-width: 46ch;
  margin: 12px 0 0;
  font-size: var(--step-18);
  line-height: 1.8;
  color: var(--faq-body);
}

.page-faq .faq-chapter__note {
  margin: clamp(18px, 3vw, 28px) 0 0;
  font-size: var(--step-14);
  line-height: 1.9;
  color: var(--mist);
}

.page-faq .faq-chapter__note a {
  color: var(--teal);
  text-decoration: none;
  border-bottom: 1px solid var(--teal-deep);
}

.page-faq .faq-chapter__note a:hover,
.page-faq .faq-chapter__note a:focus-visible {
  color: var(--yellow);
  border-bottom-color: var(--yellow);
}

/* ---------- 步骤块 ---------- */
.page-faq .faq-steps {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-step {
  position: relative;
  padding: 22px 0;
}

.page-faq .faq-step + .faq-step::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 1px;
  background-image: repeating-linear-gradient(90deg, var(--teal-deep) 0 10px, transparent 10px 20px);
}

.page-faq .faq-step__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 4.6vw, 2.25rem);
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--teal);
}

.page-faq .faq-step__title {
  margin: 12px 0 6px;
  font-size: var(--step-18);
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper);
}

.page-faq .faq-step__text {
  max-width: 42ch;
  margin: 0;
  font-size: var(--step-18);
  line-height: 1.75;
  color: var(--faq-body);
}

.page-faq .faq-step__result {
  margin: 10px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--yellow);
  font-family: var(--font-mono);
  font-size: var(--step-14);
  letter-spacing: 0.02em;
  color: var(--mist);
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: clamp(26px, 4.5vw, 44px) 0 0;
  padding: 10px;
  border: 1px solid var(--faq-soft);
  background: var(--ink-900);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 12 / 7;
  object-fit: cover;
}

.page-faq .faq-figure--tall img {
  aspect-ratio: 5 / 4;
}

.page-faq .faq-figure figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: var(--step-14);
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--mist);
}

/* ---------- 两个入口 ---------- */
.page-faq .faq-entries {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: clamp(20px, 3.5vw, 32px);
}

.page-faq .faq-entry {
  display: block;
  padding: clamp(18px, 3vw, 26px);
  border: 1px solid var(--faq-soft);
  background: var(--glass);
  color: var(--paper);
  text-decoration: none;
  transition: transform 180ms var(--ease), background 180ms var(--ease), border-color 180ms var(--ease);
}

.page-faq .faq-entry:hover,
.page-faq .faq-entry:focus-visible {
  transform: translateY(-4px);
  background: var(--faq-hover);
  border-color: var(--teal);
}

.page-faq .faq-entry__tag {
  display: inline-block;
  padding: 3px 8px;
  background: var(--yellow);
  color: var(--ink-900);
  font-family: var(--font-mono);
  font-size: var(--step-14);
  letter-spacing: 0.06em;
}

.page-faq .faq-entry__title {
  display: block;
  margin: 12px 0 8px;
  font-family: var(--font-display);
  font-size: var(--step-24);
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-faq .faq-entry__text {
  display: block;
  font-size: var(--step-14);
  line-height: 1.8;
  color: var(--faq-body);
}

/* ---------- 轨道细节 ---------- */
.page-faq .faq-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 40px);
}

.page-faq .faq-ops {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-op {
  padding: 16px 0;
  border-top: 1px solid var(--faq-soft);
}

.page-faq .faq-op:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-faq .faq-op strong {
  display: block;
  margin-bottom: 5px;
  font-size: var(--step-18);
  font-weight: 700;
  color: var(--yellow);
}

.page-faq .faq-op p {
  margin: 0;
  font-size: var(--step-18);
  line-height: 1.75;
  color: var(--faq-body);
}

.page-faq .faq-op a {
  color: var(--teal);
  text-decoration: none;
  border-bottom: 1px solid var(--teal-deep);
}

.page-faq .faq-op a:hover,
.page-faq .faq-op a:focus-visible {
  color: var(--yellow);
  border-bottom-color: var(--yellow);
}

/* ---------- 折叠预览 ---------- */
.page-faq .faq-preview {
  margin-top: clamp(26px, 4vw, 40px);
  padding: clamp(18px, 3vw, 28px);
  border: 1px solid var(--faq-line);
  background: var(--ink-900);
}

.page-faq .faq-preview__hint {
  margin: 8px 0 6px;
  font-size: var(--step-14);
  line-height: 1.7;
  color: var(--mist);
}

.page-faq .faq-preview__group {
  border-top: 1px solid var(--faq-soft);
}

.page-faq .faq-preview__group summary {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 0;
  list-style: none;
  cursor: pointer;
  font-size: var(--step-18);
  font-weight: 600;
  color: var(--paper);
  transition: color 180ms var(--ease);
}

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

.page-faq .faq-preview__group summary::after {
  content: "＋";
  flex: none;
  font-family: var(--font-mono);
  color: var(--teal);
}

.page-faq .faq-preview__group[open] summary::after {
  content: "－";
  color: var(--yellow);
}

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

.page-faq .faq-preview__group p {
  margin: 0 0 16px;
  padding-left: 14px;
  border-left: 3px solid var(--teal-deep);
  font-size: var(--step-14);
  line-height: 1.8;
  color: var(--faq-body);
}

/* ---------- 版本对照顺序 ---------- */
.page-faq .faq-order {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-order > li {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 18px 0;
  border-bottom: 1px solid var(--faq-soft);
}

.page-faq .faq-order > li:first-child {
  padding-top: 0;
}

.page-faq .faq-order__num {
  font-family: var(--font-mono);
  font-size: var(--step-24);
  line-height: 1.1;
  letter-spacing: 0.02em;
  color: var(--orange);
}

.page-faq .faq-order h3 {
  margin: 0 0 6px;
  font-size: var(--step-18);
  font-weight: 700;
  color: var(--paper);
}

.page-faq .faq-order p {
  margin: 0;
  font-size: var(--step-14);
  line-height: 1.8;
  color: var(--faq-body);
}

.page-faq .faq-verdict {
  margin: clamp(20px, 3.5vw, 32px) 0 0;
  padding: 18px clamp(16px, 3vw, 24px);
  border-left: 3px solid var(--orange);
  background: rgba(255, 122, 60, 0.1);
  font-size: var(--step-18);
  line-height: 1.8;
  color: var(--paper);
}

/* ---------- 更新时段 ---------- */
.page-faq .faq-shifts {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-shift {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 18px 0;
  border-top: 1px solid var(--faq-soft);
}

.page-faq .faq-shift:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-faq .faq-shift__time {
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 5vw, 2.35rem);
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--yellow);
}

.page-faq .faq-shift__body h3 {
  margin: 0 0 6px;
  font-size: var(--step-18);
  font-weight: 700;
  color: var(--paper);
}

.page-faq .faq-shift__body p {
  margin: 0;
  font-size: var(--step-14);
  line-height: 1.8;
  color: var(--faq-body);
}

/* ---------- 疑问速查 ---------- */
.page-faq .faq-qa__item {
  border-top: 1px solid var(--faq-soft);
}

.page-faq .faq-qa__item:last-child {
  border-bottom: 1px solid var(--faq-soft);
}

.page-faq .faq-qa__q {
  position: relative;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 18px 0 18px 16px;
  list-style: none;
  cursor: pointer;
  font-size: var(--step-18);
  font-weight: 600;
  line-height: 1.6;
  color: var(--paper);
}

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

.page-faq .faq-qa__q::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  bottom: 16px;
  width: 3px;
  background: var(--yellow);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 200ms var(--ease);
}

.page-faq .faq-qa__q::after {
  content: "＋";
  flex: none;
  font-family: var(--font-mono);
  font-size: var(--step-18);
  color: var(--teal);
}

.page-faq .faq-qa__item[open] .faq-qa__q::before {
  transform: scaleY(1);
}

.page-faq .faq-qa__item[open] .faq-qa__q::after {
  content: "－";
  color: var(--yellow);
}

.page-faq .faq-qa__q:hover {
  color: var(--teal);
}

.page-faq .faq-qa__body {
  padding: 0 0 18px 16px;
}

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

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

.page-faq .faq-qa__tag {
  display: inline-block;
  min-width: 3.4em;
  margin-right: 8px;
  font-family: var(--font-mono);
  font-size: var(--step-14);
  letter-spacing: 0.04em;
  color: var(--teal);
}

.page-faq .faq-qa__body a {
  color: var(--teal);
  text-decoration: none;
  border-bottom: 1px solid var(--teal-deep);
}

.page-faq .faq-qa__body a:hover,
.page-faq .faq-qa__body a:focus-visible {
  color: var(--yellow);
  border-bottom-color: var(--yellow);
}

/* ---------- 右侧步骤索引 ---------- */
.page-faq .faq-index {
  display: none;
}

.page-faq .faq-index__list {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-index__link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  font-size: var(--step-14);
  color: var(--mist);
  text-decoration: none;
  transition: color 180ms var(--ease);
}

.page-faq .faq-index__dot {
  width: 7px;
  height: 7px;
  flex: none;
  border-radius: 50%;
  border: 1px solid var(--teal-deep);
  transition: background 180ms var(--ease), border-color 180ms var(--ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--paper);
}

.page-faq .faq-index__link:hover .faq-index__dot,
.page-faq .faq-index__link:focus-visible .faq-index__dot {
  background: var(--teal);
  border-color: var(--teal);
}

/* ---------- 收尾信息带 ---------- */
.page-faq .faq-tail {
  margin-top: clamp(40px, 7vw, 80px);
  padding: clamp(26px, 5vw, 48px) 0;
  border-top: 1px solid var(--faq-line);
  background:
    linear-gradient(90deg, var(--teal), var(--yellow) 52%, var(--orange)) top left / 100% 8px no-repeat,
    var(--glass);
}

.page-faq .faq-tail__inner {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.page-faq .faq-tail__text {
  margin: 0;
  max-width: 40ch;
  font-size: var(--step-18);
  line-height: 1.75;
  color: var(--paper);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-shift {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
  }

  .page-faq .faq-order > li {
    grid-template-columns: 48px minmax(0, 1fr);
    gap: 20px;
  }

  .page-faq .faq-tail__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

@media (min-width: 760px) {
  .page-faq .faq-entries {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-step {
    display: grid;
    grid-template-columns: 96px minmax(0, 1fr);
    column-gap: 24px;
    align-items: start;
  }

  .page-faq .faq-step__num {
    grid-row: span 3;
  }

  .page-faq .faq-step__title {
    margin-top: 0;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.82fr);
    align-items: start;
  }

  .page-faq .faq-figure--tall {
    margin-top: 0;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 196px;
    gap: clamp(36px, 5vw, 72px);
    align-items: start;
  }

  .page-faq .faq-index {
    display: block;
    position: sticky;
    top: calc(var(--header-top) + 104px);
    padding-left: 16px;
    border-left: 1px solid var(--faq-soft);
  }

  .page-faq .faq-hero__lede {
    font-size: var(--step-18);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-entry,
  .page-faq .faq-qa__q::before,
  .page-faq .faq-chapter__head h2,
  .page-faq .faq-index__link,
  .page-faq .faq-index__dot {
    transition: none;
  }
}