.page-faq {
  --faq-glow-a: rgba(182, 255, 60, 0.16);
  --faq-glow-b: rgba(255, 122, 26, 0.14);
  --faq-scroll-offset: calc(var(--header-h) + 18px);
  display: block;
  background: var(--c-base);
  color: var(--c-ink);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-top {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 4vw, 40px) 0 clamp(34px, 5vw, 64px);
  border-bottom: 1px solid var(--c-line);
  background:
    radial-gradient(720px 360px at 84% -12%, var(--faq-glow-b), transparent 70%),
    radial-gradient(560px 320px at 4% 6%, var(--faq-glow-a), transparent 72%),
    linear-gradient(180deg, var(--c-base) 0%, var(--c-base-soft) 100%);
}

.page-faq .faq-top::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 96px 96px;
  -webkit-mask-image: radial-gradient(130% 92% at 50% 0%, #000 28%, transparent 76%);
  mask-image: radial-gradient(130% 92% at 50% 0%, #000 28%, transparent 76%);
}

.page-faq .faq-top > .container {
  position: relative;
  z-index: 1;
}

.page-faq .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: var(--step--1);
  color: var(--c-mute);
}

.page-faq .breadcrumbs a {
  color: var(--c-cyan);
  text-decoration: none;
}

.page-faq .breadcrumbs a:hover,
.page-faq .breadcrumbs a:focus-visible {
  text-decoration: underline;
}

.page-faq .faq-hero {
  margin-top: clamp(20px, 3.5vw, 34px);
  display: grid;
  gap: 16px;
}

.page-faq .faq-hero h1 {
  margin: 0;
  max-width: 22ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: var(--step-2);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--c-ink);
}

.page-faq .faq-hero .lede {
  margin: 0;
  max-width: 64ch;
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--c-mute);
}

.page-faq .faq-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin-top: 4px;
  padding-top: 18px;
  border-top: 1px solid var(--c-line);
}

.page-faq .faq-fact {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  font-size: var(--step--1);
  color: var(--c-mute);
}

.page-faq .faq-fact__num {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1;
  color: var(--c-green);
  font-variant-numeric: tabular-nums;
}

/* ---------- 分类索引 ---------- */
.page-faq .faq-index {
  margin-top: clamp(26px, 4vw, 42px);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.page-faq .faq-index__item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 13px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-s);
  background: rgba(17, 26, 34, 0.75);
  color: var(--c-ink);
  font-size: var(--step--1);
  line-height: 1.4;
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-faq .faq-index__item:hover,
.page-faq .faq-index__item:focus-visible {
  border-color: rgba(182, 255, 60, 0.55);
  background: var(--c-raised);
  transform: translateY(-2px);
}

.page-faq .faq-index__num {
  flex: none;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--c-cyan);
}

.page-faq .faq-index__label {
  min-width: 0;
  word-break: break-word;
}

/* ---------- 内容区块 ---------- */
.page-faq .faq-block {
  padding: clamp(36px, 6vw, 72px) 0;
  border-bottom: 1px solid var(--c-line);
  scroll-margin-top: var(--faq-scroll-offset);
}

.page-faq .faq-block:last-of-type {
  border-bottom: 0;
}

.page-faq .faq-block__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: clamp(12px, 2vw, 20px);
  row-gap: 10px;
  margin-bottom: clamp(22px, 3.5vw, 34px);
}

.page-faq .faq-block__num {
  grid-column: 1;
  grid-row: 1 / span 2;
  padding-top: 0.6em;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--c-green);
}

.page-faq .faq-block__title {
  grid-column: 2;
  grid-row: 1;
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: var(--step-1);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--c-ink);
}

.page-faq .faq-block__intro {
  grid-column: 2;
  grid-row: 2;
  margin: 0;
  max-width: 62ch;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--c-mute);
}

/* ---------- 插图 ---------- */
.page-faq .faq-figure,
.page-faq .injuries-figure {
  margin: 0 0 clamp(22px, 3.5vw, 34px);
  border: 1px solid var(--c-line);
  border-radius: var(--r-m);
  overflow: hidden;
  background: var(--c-panel);
}

.page-faq .faq-figure img,
.page-faq .injuries-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 16 / 9;
}

.page-faq .injuries-figure img {
  aspect-ratio: 3 / 2;
}

.page-faq .faq-figure__cap {
  padding: 10px 14px;
  border-top: 1px solid var(--c-line);
  font-size: var(--step--2);
  letter-spacing: 0.02em;
  color: var(--c-mute);
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: 8px;
  max-width: 880px;
}

.page-faq .faq-item {
  border: 1px solid var(--c-line);
  border-radius: var(--r-m);
  background: var(--c-panel);
  overflow: hidden;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .faq-item[open] {
  border-color: rgba(182, 255, 60, 0.42);
  background: var(--c-raised);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 15px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1rem;
  line-height: 1.55;
  color: var(--c-ink);
}

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

.page-faq .faq-item__q::after {
  content: "+";
  margin-left: auto;
  flex: none;
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 400;
  line-height: 1;
  color: var(--c-green);
}

.page-faq .faq-item[open] .faq-item__q::after {
  content: "–";
  color: var(--c-orange);
}

.page-faq .faq-item__q:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: -3px;
}

.page-faq .faq-item__a {
  padding: 0 18px 17px;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--c-mute);
}

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

.page-faq .faq-item__a p + p {
  margin-top: 10px;
}

/* ---------- 术语卡片 ---------- */
.page-faq .term-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.page-faq .term-card {
  display: grid;
  gap: 8px;
  align-content: start;
  padding: 18px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-m);
  background: linear-gradient(158deg, rgba(26, 39, 51, 0.9) 0%, rgba(17, 26, 34, 0.92) 100%);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-faq .term-card:hover {
  border-color: rgba(77, 225, 242, 0.4);
  transform: translateY(-2px);
}

.page-faq .term-card__term {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.0625rem;
  line-height: 1.4;
  color: var(--c-ink);
}

.page-faq .term-card__term::before {
  content: "";
  flex: none;
  width: 6px;
  height: 6px;
  border-radius: 2px;
  background: var(--c-cyan);
  transform: rotate(45deg);
}

.page-faq .term-card__def {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--c-mute);
}

/* ---------- 伤停状态 ---------- */
.page-faq .injuries-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 3vw, 30px);
}

.page-faq .status-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.page-faq .status-card {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: 18px 18px 18px 20px;
  border: 1px solid var(--c-line);
  border-left: 3px solid var(--c-cyan);
  border-radius: var(--r-m);
  background: var(--c-panel);
}

.page-faq .status-card--alert {
  border-left-color: var(--c-alert);
}

.page-faq .status-card--warn {
  border-left-color: var(--c-orange);
}

.page-faq .status-card--ok {
  border-left-color: var(--c-green);
}

.page-faq .status-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--c-ink);
}

.page-faq .status-card__text {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--c-mute);
}

.page-faq .injuries-figure {
  margin-bottom: 0;
}

/* ---------- 订阅步骤 ---------- */
.page-faq .steps {
  list-style: none;
  margin: 0;
  padding: 0;
  max-width: 780px;
  counter-reset: faq-step;
}

.page-faq .step {
  position: relative;
  counter-increment: faq-step;
  padding: 0 0 26px 50px;
}

.page-faq .step:last-child {
  padding-bottom: 0;
}

.page-faq .step::before {
  content: counter(faq-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(182, 255, 60, 0.5);
  border-radius: 50%;
  background: var(--c-panel);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--c-green);
}

.page-faq .step::after {
  content: "";
  position: absolute;
  left: 16px;
  top: 38px;
  bottom: 6px;
  width: 1px;
  background: linear-gradient(180deg, var(--c-line) 0%, transparent 100%);
}

.page-faq .step:last-child::after {
  display: none;
}

.page-faq .step__title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.0625rem;
  line-height: 1.45;
  color: var(--c-ink);
}

.page-faq .step__text {
  margin: 0;
  max-width: 60ch;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--c-mute);
}

/* ---------- 联系支持 ---------- */
.page-faq .support-card {
  position: relative;
  overflow: hidden;
  display: grid;
  gap: 20px;
  padding: clamp(20px, 3.5vw, 34px);
  border: 1px solid rgba(182, 255, 60, 0.34);
  border-radius: var(--r-l);
  background:
    radial-gradient(420px 200px at 92% 0%, rgba(182, 255, 60, 0.12), transparent 70%),
    linear-gradient(140deg, rgba(26, 39, 51, 0.96) 0%, rgba(10, 15, 20, 0.96) 100%);
}

.page-faq .support-card__label {
  margin: 0 0 10px;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-cyan);
}

.page-faq .support-card__mail {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: clamp(1.0625rem, 2.6vw, 1.4rem);
  font-weight: 700;
  line-height: 1.4;
  word-break: break-all;
}

.page-faq .support-card__note {
  margin: 0;
  max-width: 56ch;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--c-mute);
}

.page-faq .support-card__cta {
  justify-self: start;
}

.page-faq .support-related {
  margin: clamp(18px, 3vw, 26px) 0 0;
  max-width: 62ch;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--c-mute);
}

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

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

  .page-faq .support-card {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (min-width: 900px) {
  .page-faq .injuries-layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

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

  .page-faq .faq-index {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-faq .faq-index__item {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }
}

@media (min-width: 1080px) {
  .page-faq .term-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-hero h1 {
    max-width: 24ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index__item,
  .page-faq .term-card {
    transition: none;
  }

  .page-faq .faq-index__item:hover,
  .page-faq .term-card:hover {
    transform: none;
  }
}