.page-faq {
  --faq-surface: var(--pitch);
  --faq-line: var(--edge);
  --faq-gap: clamp(16px, 3vw, 28px);
}

.page-faq .crumbs {
  padding-top: clamp(16px, 3vw, 30px);
}

.page-faq .crumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-faq .crumbs a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}

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

.page-faq .crumbs li + li::before {
  content: "/";
  margin-right: 6px;
  color: var(--edge);
}

/* ---------- 首屏 ---------- */

.page-faq .faq-mast {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 5vw, 56px) 0 clamp(30px, 5vw, 54px);
}

.page-faq .faq-mast::before {
  content: "";
  position: absolute;
  top: -25%;
  left: -15%;
  width: 120%;
  height: 130%;
  background:
    radial-gradient(58% 76% at 82% 10%, rgba(23, 229, 200, 0.14), transparent 62%),
    radial-gradient(52% 66% at 6% 92%, rgba(255, 122, 43, 0.11), transparent 66%);
  pointer-events: none;
}

.page-faq .faq-mast::after {
  content: "";
  position: absolute;
  top: 6%;
  right: -14%;
  width: 48%;
  height: 84%;
  background: linear-gradient(140deg, rgba(23, 229, 200, 0.12), rgba(255, 122, 43, 0.05));
  clip-path: polygon(30% 0, 100% 0, 68% 100%, 0 100%);
  pointer-events: none;
}

.page-faq .faq-mast__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-faq .faq-mast h1 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 200;
  font-size: clamp(30px, 7vw, 64px);
  line-height: 1.06;
  letter-spacing: -0.012em;
  color: var(--warm);
  max-width: 17ch;
}

.page-faq .faq-mast__lede {
  margin: clamp(14px, 2.4vw, 22px) 0 0;
  max-width: 58ch;
  font-size: clamp(15px, 2vw, 17px);
  line-height: 1.85;
  color: var(--warm-dim);
}

.page-faq .faq-mast__meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--faq-line);
  border: 1px solid var(--faq-line);
  border-radius: var(--r);
  overflow: hidden;
}

.page-faq .faq-mast__meta li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: clamp(12px, 2.4vw, 18px);
  background: var(--faq-surface);
}

.page-faq .faq-mast__num {
  font-family: var(--font-mono);
  font-size: clamp(21px, 4vw, 30px);
  font-weight: 600;
  line-height: 1.1;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-mast__label {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

/* ---------- 分区节奏 ---------- */

.page-faq .faq-map,
.page-faq .faq-lists,
.page-faq .faq-report,
.page-faq .faq-more {
  padding-top: clamp(40px, 7vw, 80px);
}

.page-faq .section__head {
  max-width: 66ch;
}

/* ---------- 现象对照 ---------- */

.page-faq .faq-map__grid {
  display: grid;
  gap: clamp(20px, 4vw, 40px);
}

.page-faq .faq-map__figure {
  --ratio: 5 / 6;
  margin: 0;
}

.page-faq .faq-map__figure .figure__media {
  aspect-ratio: 5 / 6;
  overflow: hidden;
  border: 1px solid var(--faq-line);
  border-radius: var(--r);
  background: var(--faq-surface);
}

.page-faq .faq-map__figure .figure__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-faq .faq-map__figure .figure__caption {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--mist);
}

.page-faq .faq-map__body .lede {
  margin: 12px 0 clamp(18px, 3vw, 26px);
  max-width: 58ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--warm-dim);
}

.page-faq .faq-signs {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-signs li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  padding: 13px 0;
  border-bottom: 1px solid var(--faq-line);
  font-size: 15px;
  line-height: 1.75;
  color: var(--warm-dim);
}

.page-faq .faq-signs__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--orange);
  padding-top: 4px;
  font-variant-numeric: tabular-nums;
}

/* ---------- 清单标签页 ---------- */

.page-faq .faq-tabs {
  margin-top: clamp(20px, 4vw, 34px);
}

.page-faq .faq-tabs .tabs__list {
  display: flex;
  gap: 8px;
  margin: 0 0 clamp(18px, 3vw, 28px);
  padding: 0 0 10px;
  border-bottom: 1px solid var(--faq-line);
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-tabs .tabs__list::-webkit-scrollbar {
  display: none;
}

.page-faq .tabs__tab {
  flex: 0 0 auto;
  min-height: 42px;
  padding: 9px 16px;
  appearance: none;
  background: transparent;
  border: 1px solid var(--faq-line);
  border-radius: 999px;
  color: var(--mist);
  font-family: var(--font-body);
  font-size: 13px;
  letter-spacing: 0.04em;
  white-space: nowrap;
  cursor: pointer;
  transition: color 0.15s ease, border-color 0.15s ease, background-color 0.15s ease;
}

.page-faq .tabs__tab:hover {
  color: var(--warm);
  border-color: var(--cyan);
}

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

.page-faq .tabs__tab[aria-selected="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink);
  font-weight: 600;
}

.page-faq .tabs__panel {
  padding: 0;
}

.page-faq .faq-panel__head {
  max-width: 64ch;
  margin-bottom: clamp(18px, 3vw, 26px);
}

.page-faq .faq-panel__head h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(21px, 3.4vw, 31px);
  line-height: 1.28;
  color: var(--warm);
}

.page-faq .faq-panel__head p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 步骤 ---------- */

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

.page-faq .faq-step {
  position: relative;
}

.page-faq .faq-step__input {
  position: absolute;
  top: 20px;
  left: 20px;
  width: 1px;
  height: 1px;
  margin: 0;
  padding: 0;
  opacity: 0;
}

.page-faq .faq-step__label {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: clamp(14px, 2.2vw, 18px) clamp(15px, 2.2vw, 20px);
  background: var(--faq-surface);
  border: 1px solid var(--faq-line);
  border-left: 3px solid var(--faq-line);
  border-radius: var(--r-sm);
  cursor: pointer;
  transition: border-color 0.15s ease, background-color 0.15s ease;
}

.page-faq .faq-step__label:hover {
  border-color: var(--mist);
  border-left-color: var(--cyan);
}

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

.page-faq .faq-step__input:checked + .faq-step__label {
  border-left-color: var(--cyan);
  background: rgba(23, 229, 200, 0.07);
}

.page-faq .faq-step__box {
  position: relative;
  width: 22px;
  height: 22px;
  margin-top: 2px;
  border: 1.5px solid var(--faq-line);
  border-radius: 4px;
  background: rgba(242, 239, 230, 0.03);
  transition: border-color 0.15s ease, background-color 0.15s ease;
}

.page-faq .faq-step__box::after {
  content: "";
  position: absolute;
  inset: 4px;
  border-radius: 2px;
  background: var(--ink);
  transform: scale(0);
  transition: transform 0.18s cubic-bezier(0.2, 0.8, 0.3, 1);
}

.page-faq .faq-step__input:checked + .faq-step__label .faq-step__box {
  border-color: var(--cyan);
  background: var(--cyan);
}

.page-faq .faq-step__input:checked + .faq-step__label .faq-step__box::after {
  transform: scale(1);
}

.page-faq .faq-step__body {
  display: block;
  min-width: 0;
}

.page-faq .faq-step__title {
  display: block;
  margin-bottom: 4px;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--warm);
}

.page-faq .faq-step__input:checked + .faq-step__label .faq-step__title {
  color: var(--warm-dim);
}

.page-faq .faq-step__desc {
  display: block;
  font-size: 14px;
  line-height: 1.78;
  color: var(--mist);
}

.page-faq .faq-hint {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin: 16px 0 0;
  padding: 13px 15px;
  border: 1px solid var(--faq-line);
  border-radius: var(--r-sm);
  background: var(--glass);
  backdrop-filter: blur(6px);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--warm-dim);
}

.page-faq .faq-hint::before {
  content: "";
  flex: none;
  width: 8px;
  height: 8px;
  margin-top: 7px;
  border-radius: 2px;
  background: var(--amber);
}

/* ---------- 反馈 ---------- */

.page-faq .faq-report__grid {
  display: grid;
  gap: clamp(20px, 4vw, 40px);
}

.page-faq .faq-report__figure {
  margin: 0;
}

.page-faq .faq-report__figure .figure__media {
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border: 1px solid var(--faq-line);
  border-radius: var(--r);
  background: var(--faq-surface);
}

.page-faq .faq-report__figure .figure__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-faq .faq-report__figure .figure__caption {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--mist);
}

.page-faq .faq-report__body .lede {
  margin: 12px 0 clamp(18px, 3vw, 24px);
  max-width: 56ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--warm-dim);
}

.page-faq .faq-materials {
  display: grid;
  gap: 10px;
  margin: 0 0 clamp(18px, 3vw, 24px);
  padding: 0;
  list-style: none;
}

.page-faq .faq-materials li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 14px 16px;
  border: 1px solid var(--faq-line);
  border-radius: var(--r-sm);
  background: linear-gradient(90deg, rgba(23, 229, 200, 0.06), transparent 68%);
}

.page-faq .faq-materials li::before {
  content: "";
  width: 10px;
  height: 10px;
  margin-top: 6px;
  border: 1.5px solid var(--cyan);
  border-radius: 2px;
}

.page-faq .faq-materials strong {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: var(--warm);
  margin-bottom: 4px;
}

.page-faq .faq-materials__note {
  display: block;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--mist);
}

.page-faq .faq-contact {
  display: grid;
  gap: 10px;
  padding: clamp(18px, 3vw, 26px);
  border: 1px solid var(--faq-line);
  border-radius: var(--r);
  background: var(--faq-surface);
}

.page-faq .faq-contact__row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  align-items: baseline;
  margin: 0;
}

.page-faq .faq-contact__key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-faq .faq-contact__val {
  font-size: 15px;
  color: var(--warm);
  word-break: break-all;
  text-decoration: none;
}

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

.page-faq .faq-contact__note {
  margin: 0;
  padding-top: 10px;
  border-top: 1px solid var(--faq-line);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 延伸入口 ---------- */

.page-faq .faq-more__list {
  display: grid;
  gap: 1px;
  margin: clamp(16px, 3vw, 24px) 0 0;
  padding: 0;
  list-style: none;
  background: var(--faq-line);
  border: 1px solid var(--faq-line);
  border-radius: var(--r);
  overflow: hidden;
}

.page-faq .faq-more__list li {
  background: var(--ink);
}

.page-faq .faq-more__list a {
  display: block;
  padding: 16px 18px;
  font-size: 15.5px;
  font-weight: 600;
  color: var(--warm);
  text-decoration: none;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.page-faq .faq-more__list a:hover {
  background: var(--faq-surface);
  color: var(--cyan);
}

.page-faq .faq-more__list a span {
  display: block;
  margin-top: 6px;
  font-size: 13.5px;
  font-weight: 400;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-faq .faq-more__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-mast__meta {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-mast__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: end;
    gap: clamp(28px, 4vw, 60px);
  }

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

  .page-faq .faq-map__grid {
    grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
    align-items: start;
    gap: clamp(28px, 4vw, 52px);
  }

  .page-faq .faq-report__grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: start;
    gap: clamp(28px, 4vw, 52px);
  }

  .page-faq .faq-panel__head {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 8px clamp(24px, 3vw, 44px);
    align-items: start;
    max-width: none;
  }

  .page-faq .faq-panel__head h3 {
    margin: 0;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-more__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-step__box::after,
  .page-faq .tabs__tab,
  .page-faq .faq-step__label,
  .page-faq .faq-more__list a {
    transition: none;
  }

  .page-faq .faq-step__box::after {
    transform: none;
  }
}