.page-faq {
  --faq-line: rgba(138, 180, 255, 0.26);
  --faq-line-strong: rgba(138, 180, 255, 0.48);
  --faq-panel: rgba(7, 33, 26, 0.7);
  --faq-panel-open: rgba(7, 33, 26, 0.94);
  --faq-cut: 22px;
  padding-bottom: clamp(48px, 8vw, 96px);
  background-color: var(--turf);
  background-image:
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.018) 0 1px, transparent 1px 64px);
  color: var(--white);
  font-family: var(--font-body);
}

.page-faq .faq-shell {
  padding-top: clamp(18px, 3.5vw, 32px);
}

.page-faq .breadcrumb {
  margin-bottom: clamp(14px, 2.5vw, 22px);
}

/* ---------- 页头 ---------- */
.page-faq .faq-hero {
  position: relative;
  display: grid;
  gap: clamp(22px, 4vw, 40px);
  padding: clamp(22px, 4vw, 44px);
  background:
    linear-gradient(152deg, var(--night) 0%, var(--turf) 62%, #0a2b20 100%);
  border: 1px solid var(--faq-line);
  border-radius: 2px;
  box-shadow: 0 20px 0 -14px rgba(0, 0, 0, 0.4);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -30%;
  right: -12%;
  width: 62%;
  height: 170%;
  background: linear-gradient(118deg, transparent 42%, rgba(30, 107, 255, 0.16) 42.6%, rgba(30, 107, 255, 0.16) 50%, transparent 50.6%);
  pointer-events: none;
}

.page-faq .faq-hero__body {
  position: relative;
  z-index: 1;
  min-width: 0;
}

.page-faq .faq-hero__eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--orange);
}

.page-faq .faq-hero h1 {
  margin: 0;
  max-width: 20ch;
  font-family: var(--font-cn);
  font-size: clamp(27px, 5vw, 44px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: 0.01em;
  color: var(--white);
}

.page-faq .faq-hero__lead {
  margin: 18px 0 0;
  max-width: 48ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--mist);
}

.page-faq .faq-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 30px;
  margin: 24px 0 0;
  padding: 18px 0 0;
  list-style: none;
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 7px;
  font-size: 13px;
  color: var(--slate);
}

.page-faq .faq-hero__num {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-faq .faq-hero__media {
  position: relative;
  z-index: 1;
  margin: 0;
  min-width: 0;
}

.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  border: 1px solid var(--faq-line-strong);
  clip-path: polygon(0 0, 100% 0, 100% 80%, 86% 100%, 0 100%);
}

/* ---------- 主体栅格 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 40px);
  margin-top: clamp(32px, 5vw, 56px);
}

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

/* ---------- 分类索引 ---------- */
.page-faq .faq-index {
  min-width: 0;
  padding-top: 4px;
  background: transparent;
  border: 0;
}

.page-faq .rail__title {
  margin: 0 0 10px;
  padding-left: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--blue-soft);
}

.page-faq .rail__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-faq .rail__item {
  flex: none;
}

.page-faq .rail__link {
  display: block;
  padding: 9px 14px;
  font-family: var(--font-cn);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  white-space: nowrap;
  text-decoration: none;
  color: var(--slate);
  background: rgba(7, 33, 26, 0.72);
  border: 1px solid var(--faq-line);
  border-bottom: 2px solid transparent;
  border-radius: 2px;
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.page-faq .rail__link:hover {
  color: var(--mist);
  border-color: var(--blue);
}

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

.page-faq .rail__link[aria-current] {
  color: var(--orange);
  font-weight: 800;
  border-bottom-color: var(--orange);
  background: rgba(255, 106, 26, 0.1);
}

/* ---------- 分类区块 ---------- */
.page-faq .faq-sec {
  scroll-margin-top: 96px;
}

.page-faq .faq-sec + .faq-sec {
  margin-top: clamp(40px, 6vw, 68px);
}

.page-faq .faq-sec .section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 20px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--faq-line);
}

.page-faq .faq-sec .section-head__title {
  margin: 0;
  font-family: var(--font-cn);
  font-size: clamp(20px, 3vw, 27px);
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--white);
}

.page-faq .faq-sec .section-head__note {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--slate);
}

/* ---------- 折叠问答 ---------- */
.page-faq .qa-list {
  display: grid;
  gap: 10px;
  margin-top: 20px;
}

.page-faq .qa {
  background: var(--faq-panel);
  border: 1px solid var(--faq-line);
  border-radius: 2px;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.page-faq .qa:hover {
  border-color: var(--blue);
}

.page-faq .qa[open] {
  background: var(--faq-panel-open);
  border-color: rgba(255, 106, 26, 0.5);
}

.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .qa__q::after {
  content: "+";
  flex: none;
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--blue-soft);
}

.page-faq .qa[open] .qa__q::after {
  content: "\2212";
  color: var(--orange);
}

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

.page-faq .qa__num {
  flex: none;
  display: inline-grid;
  place-items: center;
  min-width: 36px;
  height: 26px;
  padding: 0 6px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: var(--blue-soft);
  background: rgba(30, 107, 255, 0.14);
  border: 1px solid rgba(138, 180, 255, 0.44);
  border-radius: 2px;
}

.page-faq .qa[open] .qa__num {
  color: var(--night);
  background: var(--orange);
  border-color: var(--orange);
}

.page-faq .qa__text {
  min-width: 0;
  font-family: var(--font-cn);
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.55;
  letter-spacing: 0.012em;
  color: var(--white);
}

.page-faq .qa__a {
  padding: 0 18px 20px 66px;
  font-size: 15px;
  line-height: 1.88;
  color: var(--mist);
}

.page-faq .qa__a p {
  margin: 0;
}

.page-faq .qa__a strong {
  font-weight: 700;
  color: var(--white);
  box-shadow: inset 0 -0.5em 0 rgba(255, 106, 26, 0.22);
}

.page-faq .qa__a a {
  color: var(--blue-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(138, 180, 255, 0.55);
}

.page-faq .qa__a a:hover {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

.page-faq .qa[open] .qa__a {
  animation: faq-answer-in 0.28s ease-out;
}

@keyframes faq-answer-in {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 补时专题 ---------- */
.page-faq .clock-strip {
  position: relative;
  display: grid;
  gap: 18px;
  margin-top: 22px;
  padding: clamp(18px, 3vw, 28px);
  background: linear-gradient(115deg, var(--night) 0%, #0b2c22 52%, rgba(30, 107, 255, 0.16) 100%);
  border: 1px solid var(--faq-line-strong);
  border-radius: 2px;
  overflow: hidden;
}

.page-faq .clock-strip::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 3px;
  background: linear-gradient(90deg, var(--orange) 0%, var(--orange-soft) 38%, transparent 100%);
}

.page-faq .clock-strip__figure {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-faq .clock-strip__num {
  display: inline-block;
  padding-bottom: 4px;
  font-family: var(--font-mono);
  font-size: clamp(56px, 13vw, 88px);
  font-weight: 800;
  line-height: 0.86;
  letter-spacing: -0.03em;
  color: var(--white);
  border-bottom: 6px solid var(--orange);
}

.page-faq .clock-strip__unit {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--slate);
}

.page-faq .clock-strip__copy {
  min-width: 0;
}

.page-faq .clock-strip__label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--orange);
}

.page-faq .clock-strip__copy p:last-child {
  margin: 0;
  max-width: 42ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .clock-strip__media {
  order: -1;
  margin: 0;
  min-width: 0;
}

.page-faq .clock-strip__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 5 / 3;
  object-fit: cover;
  border: 1px solid rgba(138, 180, 255, 0.34);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 12% 100%, 0 82%);
}

/* ---------- 页尾延伸 ---------- */
.page-faq .faq-more {
  display: grid;
  gap: 14px;
  margin-top: clamp(40px, 6vw, 68px);
  padding: clamp(20px, 3vw, 32px);
  background: var(--faq-panel);
  border: 1px solid var(--faq-line);
  border-left: 4px solid var(--blue);
  border-radius: 2px;
}

.page-faq .faq-more h2 {
  margin: 0;
  font-family: var(--font-cn);
  font-size: clamp(18px, 2.6vw, 23px);
  font-weight: 800;
  color: var(--white);
}

.page-faq .faq-more p {
  margin: 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-more__links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 22px;
}

.page-faq .faq-top {
  margin: 26px 0 0;
  text-align: right;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .qa__q {
    padding: 17px 20px;
  }

  .page-faq .qa__a {
    padding: 0 24px 22px 72px;
  }

  .page-faq .clock-strip {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (min-width: 760px) {
  .page-faq .clock-strip {
    grid-template-columns: auto minmax(0, 1fr) minmax(0, 280px);
    align-items: center;
    gap: clamp(24px, 3vw, 40px);
  }

  .page-faq .clock-strip__media {
    order: 0;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: center;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-layout {
    grid-template-columns: 212px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 96px;
    padding-top: 0;
    border-top: 2px solid var(--faq-line);
  }

  .page-faq .rail__title {
    padding-top: 14px;
  }

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

  .page-faq .rail__link {
    padding: 11px 14px;
    background: transparent;
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
  }

  .page-faq .rail__link[aria-current] {
    background: rgba(255, 106, 26, 0.08);
    border-left-color: var(--orange);
  }
}

@media (max-width: 559px) {
  .page-faq .qa__a {
    padding-left: 18px;
  }

  .page-faq .qa__q {
    gap: 10px;
  }

  .page-faq .faq-hero__facts {
    gap: 8px 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa[open] .qa__a {
    animation: none;
  }

  .page-faq .qa,
  .page-faq .rail__link {
    transition: none;
  }
}