.page-faq {
  --faq-gap: clamp(28px, 5vw, 64px);
  --faq-cut: 18px;
}

.page-faq [id] {
  scroll-margin-top: calc(var(--bar) + 18px);
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  padding: clamp(30px, 6vw, 72px) 0 clamp(26px, 4vw, 46px);
  border-bottom: 1px solid var(--ink);
  background: linear-gradient(180deg, rgba(12, 36, 26, 0.92), rgba(6, 21, 15, 0) 78%);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(46, 90, 69, 0.18) 1px, transparent 1px),
    linear-gradient(90deg, rgba(46, 90, 69, 0.18) 1px, transparent 1px);
  background-size: 44px 44px;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 82%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 82%);
  pointer-events: none;
}

.page-faq .faq-hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 4vw, 44px);
  align-items: end;
}

.page-faq .faq-hero__title {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(34px, 8vw, 66px);
  line-height: 0.98;
  letter-spacing: -0.035em;
  color: var(--text);
}

.page-faq .faq-hero__intro {
  margin: 16px 0 0;
  max-width: 58ch;
  font-family: var(--font-body);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .faq-hero__actions {
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .faq-hero__clock {
  position: relative;
  padding: 20px 18px 18px;
  background: var(--panel);
  border: 1px solid var(--ink);
  border-left: 3px solid var(--lime);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--faq-cut)), calc(100% - var(--faq-cut)) 100%, 0 100%);
}

.page-faq .faq-hero__clock-label {
  margin: 0;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.page-faq .faq-clock {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-clock__item {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 12px;
  padding: 8px 0 8px 12px;
  border-left: 2px solid var(--line);
}

.page-faq .faq-clock__item--key {
  border-left-color: var(--lime);
}

.page-faq .faq-clock__time {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--text);
}

.page-faq .faq-clock__item--key .faq-clock__time {
  color: var(--lime);
}

.page-faq .faq-clock__desc {
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

.page-faq .faq-hero__clock .status {
  margin-top: 16px;
}

/* ---------- 通用节标题 ---------- */

.page-faq .faq-head h2 {
  margin: 8px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(23px, 3.6vw, 40px);
  line-height: 1.04;
  letter-spacing: -0.025em;
  color: var(--text);
}

.page-faq .faq-head__note {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
}

/* ---------- F-01 现象索引 ---------- */

.page-faq .faq-index {
  padding-top: clamp(30px, 5vw, 58px);
}

.page-faq .faq-symptoms {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--ink);
  border: 1px solid var(--ink);
}

.page-faq .faq-symptoms__link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-areas:
    "no name"
    "no hint";
  gap: 4px 12px;
  height: 100%;
  padding: 16px 16px 18px;
  background: var(--panel);
  color: var(--text);
  text-decoration: none;
  transition: background 0.18s ease, color 0.18s ease;
}

.page-faq .faq-symptoms__no {
  grid-area: no;
  align-self: start;
  padding-top: 2px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--gold);
}

.page-faq .faq-symptoms__name {
  grid-area: name;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 16px;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.page-faq .faq-symptoms__hint {
  grid-area: hint;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--muted);
}

.page-faq .faq-symptoms__link:hover,
.page-faq .faq-symptoms__link:focus-visible {
  background: var(--lime);
  color: var(--ink);
}

.page-faq .faq-symptoms__link:hover .faq-symptoms__no,
.page-faq .faq-symptoms__link:focus-visible .faq-symptoms__no {
  color: rgba(10, 12, 11, 0.66);
}

.page-faq .faq-symptoms__link:hover .faq-symptoms__hint,
.page-faq .faq-symptoms__link:focus-visible .faq-symptoms__hint {
  color: rgba(10, 12, 11, 0.74);
}

/* ---------- F-02 三步自检 ---------- */

.page-faq .faq-selfcheck {
  padding-top: clamp(34px, 5vw, 64px);
}

.page-faq .faq-selfcheck__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 4vw, 42px);
  align-items: start;
}

.page-faq .faq-steps {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
}

.page-faq .faq-steps__item {
  position: relative;
  padding: 20px 0 20px 50px;
  border-top: 1px dashed var(--line);
}

.page-faq .faq-steps__item:last-child {
  border-bottom: 1px dashed var(--line);
}

.page-faq .faq-steps__no {
  position: absolute;
  left: 0;
  top: 21px;
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  background: var(--lime);
  color: var(--ink);
  font-size: 12.5px;
  font-weight: 700;
  clip-path: polygon(0 0, 100% 0, 100% 68%, 68% 100%, 0 100%);
}

.page-faq .faq-steps__item h3 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 17px;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-faq .faq-steps__item p {
  margin: 8px 0 0;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--muted);
}

.page-faq .faq-steps__verdict {
  padding-left: 10px;
  border-left: 2px solid var(--gold);
  color: var(--text) !important;
  font-size: 13.5px !important;
}

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

/* ---------- F-03 折叠解答 ---------- */

.page-faq .faq-list {
  margin-top: 24px;
  display: grid;
  gap: 12px;
}

.page-faq .faq-item {
  background: var(--panel);
  border: 1px solid var(--ink);
  border-left: 3px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--faq-cut)), calc(100% - var(--faq-cut)) 100%, 0 100%);
  transition: border-color 0.18s ease;
}

.page-faq .faq-item[open] {
  border-left-color: var(--lime);
}

.page-faq .faq-item__sum {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 15.5px;
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--text);
}

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

.page-faq .faq-item__no {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--gold);
}

.page-faq .faq-item[open] .faq-item__no {
  color: var(--lime);
}

.page-faq .faq-item__mark {
  width: 12px;
  height: 12px;
  border-right: 2px solid var(--lime);
  border-bottom: 2px solid var(--lime);
  transform: rotate(45deg) translate(-2px, -2px);
  transition: transform 0.2s ease;
}

.page-faq .faq-item[open] .faq-item__mark {
  transform: rotate(-135deg) translate(-2px, -2px);
}

.page-faq .faq-item__body {
  padding: 0 16px 20px;
  border-top: 1px solid var(--ink);
  margin: 0 16px 0;
  padding-left: 0;
  padding-right: 0;
  padding-top: 14px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .faq-item__body p {
  margin: 0 0 10px;
  max-width: 68ch;
}

.page-faq .faq-item__body ul {
  margin: 10px 0;
  padding-left: 0;
  list-style: none;
}

.page-faq .faq-item__body li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 6px;
}

.page-faq .faq-item__body li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 10px;
  height: 2px;
  background: var(--line);
}

.page-faq .faq-item__body a {
  color: var(--lime);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- F-04 时点与缓存 ---------- */

.page-faq .faq-update__grid {
  margin-top: 24px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-faq .faq-update__panel h3 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 17px;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-faq .faq-update__panel p {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .faq-update__tag {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-ruler {
  margin: 30px 0 0;
}

.page-faq .faq-ruler__track {
  position: relative;
  height: 6px;
  background: rgba(46, 90, 69, 0.42);
}

.page-faq .faq-ruler__fill {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 29.17%;
  background: linear-gradient(90deg, rgba(198, 255, 61, 0.55), var(--lime));
}

.page-faq .faq-ruler__tick {
  position: absolute;
  top: -8px;
  width: 2px;
  height: 22px;
  background: var(--gold);
}

.page-faq .faq-ruler__tick--a {
  left: 29.17%;
}

.page-faq .faq-ruler__tick--b {
  left: 91.67%;
}

.page-faq .faq-ruler__labels {
  position: relative;
  height: 44px;
  margin-top: 8px;
}

.page-faq .faq-ruler__label {
  position: absolute;
  top: 0;
  font-size: 12px;
  line-height: 1.5;
  color: var(--muted);
}

.page-faq .faq-ruler__label .mono {
  color: var(--gold);
  font-size: 12.5px;
}

.page-faq .faq-ruler__label--a {
  left: 0;
}

.page-faq .faq-ruler__label--b {
  right: 0;
  text-align: right;
}

.page-faq .faq-ruler__caption {
  margin: 6px 0 0;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--muted);
  max-width: 68ch;
}

/* ---------- F-05 入口定位 ---------- */

.page-faq .faq-ranking__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 4vw, 44px);
  align-items: start;
}

.page-faq .faq-ranking__body .prose {
  margin-top: 16px;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

.page-faq .faq-path {
  margin-top: 22px;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.page-faq .faq-path__node {
  padding: 10px 14px;
  background: var(--panel);
  border: 1px solid var(--line);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 13.5px;
  color: var(--text);
  clip-path: polygon(0 0, 100% 0, 100% 70%, 86% 100%, 0 100%);
}

.page-faq .faq-path__node--lime {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--ink);
}

.page-faq .faq-path__line {
  flex: 1 1 40px;
  min-width: 40px;
  height: 2px;
  background-image: linear-gradient(90deg, var(--lime) 0 8px, transparent 8px 16px);
  background-size: 16px 2px;
}

.page-faq .faq-ranking__note {
  margin: 18px 0 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--muted);
}

.page-faq .faq-ranking__note a {
  color: var(--lime);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-ranking__aside {
  padding: 20px 18px;
  background: var(--panel);
  border: 1px solid var(--ink);
  border-top: 3px solid var(--gold);
}

.page-faq .faq-ranking__aside-label {
  margin: 0;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.page-faq .faq-ranking__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-faq .faq-ranking__list li {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 10px;
  padding-bottom: 9px;
  border-bottom: 1px dashed rgba(46, 90, 69, 0.55);
  font-size: 13.5px;
  color: var(--text);
}

.page-faq .faq-ranking__list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-faq .faq-ranking__list .mono {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-faq .faq-ranking__aside-note {
  margin: 14px 0 0;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--muted);
}

.page-faq .faq-ranking__aside-note a {
  color: var(--lime);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- F-06 编号与预约 ---------- */

.page-faq .faq-member__grid {
  margin-top: 24px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-faq .faq-member__card {
  padding: 20px 18px;
  background: var(--panel);
  border: 1px solid var(--ink);
  border-left: 3px solid var(--lime);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--faq-cut)), calc(100% - var(--faq-cut)) 100%, 0 100%);
}

.page-faq .faq-member__card--alt {
  border-left-color: var(--line);
}

.page-faq .faq-member__card h3 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 17px;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-faq .faq-member__card p {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

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

.page-faq .faq-member__card li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 7px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .faq-member__card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 10px;
  height: 2px;
  background: var(--gold);
}

.page-faq .faq-copy {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  background: var(--bg);
  border: 1px dashed var(--line);
}

.page-faq .faq-copy__value {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--lime);
}

.page-faq .faq-member__hint {
  font-size: 12.5px !important;
  line-height: 1.65 !important;
  color: var(--muted);
}

/* ---------- F-07 留言出口 ---------- */

.page-faq .faq-stuck__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 4vw, 42px);
  align-items: start;
}

.page-faq .faq-checklist {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--ink);
  border: 1px solid var(--ink);
}

.page-faq .faq-checklist li {
  position: relative;
  padding: 13px 16px 13px 40px;
  background: var(--panel);
  font-size: 14px;
  line-height: 1.68;
  color: var(--text);
}

.page-faq .faq-checklist li::before {
  content: "";
  position: absolute;
  left: 16px;
  top: 21px;
  width: 10px;
  height: 10px;
  background: var(--lime);
  clip-path: polygon(0 0, 100% 0, 100% 100%);
}

.page-faq .faq-stuck__note {
  margin: 18px 0 0;
  max-width: 66ch;
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
}

.page-faq .faq-stuck__actions {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

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

/* ---------- 页尾 ---------- */

.page-faq .faq-tail {
  padding: 24px 0 clamp(30px, 5vw, 56px);
}

.page-faq .faq-tail__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding-top: 20px;
  border-top: 1px dashed var(--line);
}

.page-faq .faq-related {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}

.page-faq .faq-related__label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.page-faq .faq-related a {
  font-size: 13.5px;
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.page-faq .faq-related a:hover,
.page-faq .faq-related a:focus-visible {
  color: var(--lime);
  border-color: var(--lime);
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-faq .faq-symptoms {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  }

  .page-faq .faq-selfcheck__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  }

  .page-faq .faq-ranking__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  }

  .page-faq .faq-stuck__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  }
}

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

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-symptoms__link,
  .page-faq .faq-item,
  .page-faq .faq-item__mark,
  .page-faq .faq-related a {
    transition: none;
  }
}