.page-faq {
  --faq-cut: 16px;
  --faq-gap: clamp(1rem, 2.4vw, 1.5rem);
  color: var(--body);
  font-family: var(--font-body);
  padding-bottom: clamp(2.4rem, 6vw, 4.5rem);
}

.page-faq .mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-section {
  padding: clamp(2.2rem, 5.5vw, 4rem) 0;
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-section--wide {
  background:
    radial-gradient(80% 100% at 12% 0%, rgba(56, 242, 208, 0.09), transparent 62%),
    repeating-linear-gradient(0deg, rgba(30, 58, 95, 0.28) 0 1px, transparent 1px 72px);
}

.page-faq .faq-section--last {
  background: radial-gradient(70% 110% at 100% 100%, rgba(255, 122, 47, 0.1), transparent 60%);
}

/* ---------- hero ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(1.6rem, 4vw, 2.6rem) 0 clamp(1.6rem, 3.6vw, 2.4rem);
  border-top: 1px solid var(--line-soft);
  background:
    radial-gradient(90% 130% at 88% 0%, rgba(56, 242, 208, 0.14), transparent 58%),
    repeating-linear-gradient(90deg, rgba(30, 58, 95, 0.34) 0 1px, transparent 1px 72px);
  overflow: hidden;
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: 0.9rem;
}

.page-faq .faq-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.85rem, 6.4vw, 3.5rem);
  line-height: 1.14;
  letter-spacing: -0.015em;
  color: var(--title);
  max-width: 24ch;
}

.page-faq .faq-hero h1 em {
  font-style: normal;
  font-weight: 700;
  color: var(--cyan);
}

.page-faq .faq-hero__lead {
  margin: 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.8;
  color: var(--body);
}

.page-faq .faq-hero__meta {
  list-style: none;
  margin: 0.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
  grid-template-columns: 1fr;
}

.page-faq .faq-hero__meta li {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  padding-left: 0.8rem;
  border-left: 2px solid var(--cyan);
}

.page-faq .faq-hero__meta .mono {
  font-size: clamp(1.35rem, 4vw, 1.9rem);
  color: var(--title);
  line-height: 1;
}

.page-faq .faq-hero__meta .lbl {
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.02em;
}

/* ---------- section head ---------- */
.page-faq .sec-head {
  max-width: 68ch;
  margin-bottom: clamp(1.2rem, 3vw, 2rem);
}

.page-faq .sec-head h2 {
  margin: 0.55rem 0 0.7rem;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.45rem, 3.6vw, 2.15rem);
  line-height: 1.24;
  color: var(--title);
}

.page-faq .sec-head p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--body);
}

/* ---------- tracks ---------- */
.page-faq .track-grid {
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

.page-faq .track {
  position: relative;
  padding: 1.15rem 1.1rem 1.3rem;
  background: linear-gradient(160deg, var(--panel) 0%, var(--ink) 100%);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--faq-cut)), calc(100% - var(--faq-cut)) 100%, 0 100%);
  transition: background 0.35s var(--ease);
}

.page-faq .track:hover {
  background: linear-gradient(160deg, var(--panel-hi) 0%, var(--panel) 100%);
}

.page-faq .track__idx {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--cyan);
  padding-bottom: 0.55rem;
  border-bottom: 1px dashed var(--line);
}

.page-faq .track h3 {
  margin: 0.75rem 0 0.45rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--title);
}

.page-faq .track > p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--body);
}

.page-faq .track__list {
  list-style: none;
  margin: 0.85rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.35rem;
}

.page-faq .track__list li {
  position: relative;
  padding-left: 0.95rem;
  font-size: 13.5px;
  color: var(--muted);
}

.page-faq .track__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.58em;
  width: 5px;
  height: 5px;
  background: var(--cyan);
  opacity: 0.7;
}

.page-faq .track__link {
  display: inline-block;
  margin-top: 1rem;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(56, 242, 208, 0.4);
  padding-bottom: 2px;
}

.page-faq .track__link:hover,
.page-faq .track__link:focus-visible {
  color: var(--title);
  border-bottom-color: var(--title);
}

/* ---------- account ---------- */
.page-faq .account-grid {
  display: grid;
  gap: var(--faq-gap);
  align-items: start;
}

.page-faq .mini-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.9rem;
}

.page-faq .mini-steps li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.75rem;
  padding: 0.85rem 0.95rem;
  border: 1px solid var(--line-soft);
  border-left: 2px solid var(--cyan);
  background: rgba(13, 31, 54, 0.62);
}

.page-faq .mini-steps__num {
  font-size: 12px;
  color: var(--cyan);
  letter-spacing: 0.08em;
  padding-top: 0.15rem;
}

.page-faq .mini-steps strong {
  display: block;
  color: var(--title);
  font-size: 15px;
  font-weight: 700;
}

.page-faq .mini-steps p {
  margin: 0.3rem 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--body);
}

.page-faq .dir-grid {
  display: grid;
  gap: 0.7rem;
  margin-top: 1rem;
}

.page-faq .dir {
  padding: 0.8rem 0.9rem 0.9rem;
  border: 1px solid var(--line-soft);
  background: rgba(7, 20, 38, 0.7);
}

.page-faq .dir p {
  margin: 0.5rem 0 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--muted);
}

.page-faq .account-tip {
  margin: 1.1rem 0 0;
  padding-left: 0.9rem;
  border-left: 1px solid var(--gold);
  font-size: 14px;
  line-height: 1.75;
  color: var(--body);
}

.page-faq .account-fig {
  margin: 0;
}

/* ---------- workspace ---------- */
.page-faq .workspace {
  display: grid;
  gap: var(--faq-gap);
  align-items: start;
}

.page-faq .steps-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  margin-bottom: 0.75rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--line);
}

.page-faq .steps-head .mono {
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-faq .step-list {
  display: grid;
  gap: 0.6rem;
}

.page-faq .step {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 0.2rem 0.7rem;
  align-items: start;
  padding: 0.9rem 0.95rem 1rem;
  border: 1px solid var(--line-soft);
  border-left: 2px solid var(--line);
  background: rgba(13, 31, 54, 0.72);
  cursor: pointer;
  transition: border-color 0.28s var(--ease), background 0.28s var(--ease);
}

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

.page-faq .step:focus-within {
  outline: 1px solid var(--cyan);
  outline-offset: 2px;
}

.page-faq .step__check {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  margin: 0;
}

.page-faq .step__num {
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--muted);
  border: 1px solid var(--line);
  padding: 0.12rem 0.32rem;
  line-height: 1.4;
}

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

.page-faq .step__body strong {
  display: block;
  color: var(--title);
  font-size: 15px;
  font-weight: 700;
}

.page-faq .step__body span {
  display: block;
  margin-top: 0.3rem;
  font-size: 13.8px;
  line-height: 1.72;
  color: var(--body);
}

.page-faq .step__state::before {
  content: "待自查";
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  white-space: nowrap;
}

.page-faq .step__check:checked ~ .step__num {
  color: var(--ok);
  border-color: var(--ok);
}

.page-faq .step__check:checked ~ .step__state::before {
  content: "已完成";
  color: var(--ok);
}

.page-faq .step:has(.step__check:checked) {
  border-left-color: var(--ok);
  background: rgba(43, 217, 138, 0.07);
}

.page-faq .steps-note {
  margin: 0.9rem 0 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--muted);
  padding-left: 0.85rem;
  border-left: 2px solid var(--coral);
}

.page-faq .qa-title {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--title);
  letter-spacing: 0.01em;
}

.page-faq .workspace__qa .fold {
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .workspace__qa .fold__trigger {
  width: 100%;
  padding: 0.85rem 1.9rem 0.85rem 0;
  background: transparent;
  border: 0;
  text-align: left;
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--title);
  position: relative;
  cursor: pointer;
}

.page-faq .workspace__qa .fold__trigger::after {
  content: "+";
  position: absolute;
  right: 0.2rem;
  top: 0.78rem;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--cyan);
}

.page-faq .workspace__qa .fold.is-open .fold__trigger::after {
  content: "−";
}

.page-faq .workspace__qa .fold__trigger:hover {
  color: var(--cyan);
}

.page-faq .workspace__qa .fold__panel {
  padding: 0 0 0.95rem;
  font-size: 14px;
  line-height: 1.78;
  color: var(--body);
}

.page-faq .workspace__qa .fold__panel p {
  margin: 0;
}

.page-faq .workspace-fig {
  margin: 1.4rem 0 0;
}

/* ---------- comparison ---------- */
.page-faq .table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line-soft);
  background: rgba(13, 31, 54, 0.62);
  -webkit-overflow-scrolling: touch;
}

.page-faq .cmp {
  width: 100%;
  min-width: 580px;
  border-collapse: collapse;
  font-size: 14.5px;
}

.page-faq .cmp thead th {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  background: rgba(7, 20, 38, 0.85);
  text-align: left;
  padding: 0.7rem 0.9rem;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

.page-faq .cmp tbody th,
.page-faq .cmp tbody td {
  padding: 0.85rem 0.9rem;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line-soft);
  line-height: 1.7;
  color: var(--body);
}

.page-faq .cmp tbody th {
  color: var(--title);
  font-weight: 700;
  white-space: nowrap;
}

.page-faq .cmp tbody tr:last-child th,
.page-faq .cmp tbody tr:last-child td {
  border-bottom: 0;
}

.page-faq .cmp .mono {
  font-size: 12.5px;
  color: var(--cyan);
  white-space: nowrap;
}

.page-faq .cmp tr.is-key {
  background: rgba(242, 196, 107, 0.07);
}

.page-faq .cmp tr.is-key th {
  color: var(--gold);
}

.page-faq .cmp tr.is-key .mono {
  color: var(--gold);
}

.page-faq .cmp-notes {
  display: grid;
  gap: 0.65rem;
  margin-top: 1rem;
}

.page-faq .cmp-notes p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--body);
}

.page-faq .cmp-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.4rem;
}

/* ---------- guide ---------- */
.page-faq .guide-card {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  padding: clamp(1.1rem, 3vw, 1.8rem);
  border: 1px solid var(--line);
  background:
    linear-gradient(115deg, rgba(56, 242, 208, 0.1) 0%, transparent 55%),
    var(--panel);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.page-faq .guide-card__num {
  font-size: clamp(2.6rem, 9vw, 4.4rem);
  line-height: 0.9;
  color: var(--cyan);
  opacity: 0.85;
}

.page-faq .guide-card h2 {
  margin: 0.5rem 0 0.7rem;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.4rem, 3.4vw, 2rem);
  color: var(--title);
  line-height: 1.25;
}

.page-faq .guide-card p {
  margin: 0 0 1.1rem;
  font-size: 14.8px;
  line-height: 1.8;
  color: var(--body);
  max-width: 66ch;
}

/* ---------- prepare ---------- */
.page-faq .prepare-grid {
  display: grid;
  gap: var(--faq-gap);
  align-items: start;
}

.page-faq .prep-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.page-faq .prep-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.75rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px dashed var(--line-soft);
}

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

.page-faq .prep-list__mark {
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--orange);
  padding-top: 0.2rem;
}

.page-faq .prep-list strong {
  display: block;
  color: var(--title);
  font-size: 15px;
}

.page-faq .prep-list p {
  margin: 0.28rem 0 0;
  font-size: 13.8px;
  line-height: 1.72;
  color: var(--muted);
}

.page-faq .contact-box {
  padding: 1.2rem 1.1rem 1.35rem;
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  background: rgba(13, 31, 54, 0.82);
  box-shadow: var(--shadow-soft);
}

.page-faq .contact-box h3 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--title);
}

.page-faq .contact-box__note {
  margin: 0 0 1rem;
  font-size: 13.8px;
  line-height: 1.72;
  color: var(--body);
}

.page-faq .contact-box__list {
  margin: 0 0 1.2rem;
  display: grid;
  gap: 0.7rem;
}

.page-faq .contact-box__list dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-faq .contact-box__list dd {
  margin: 0.22rem 0 0;
  font-size: 14.5px;
  color: var(--title);
  word-break: break-word;
}

.page-faq .contact-box__list dd.mono {
  letter-spacing: 0.04em;
}

/* ---------- responsive ---------- */
@media (min-width: 560px) {
  .page-faq .faq-hero__meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 760px) {
  .page-faq .track-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .guide-card {
    grid-template-columns: auto minmax(0, 1fr);
    align-items: start;
    gap: 1.6rem;
  }

  .page-faq .guide-card__num {
    padding-top: 0.2rem;
  }
}

@media (min-width: 980px) {
  .page-faq .account-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: clamp(1.4rem, 3vw, 2.4rem);
  }

  .page-faq .workspace {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: clamp(1.4rem, 3vw, 2.6rem);
  }

  .page-faq .prepare-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: clamp(1.4rem, 3vw, 2.4rem);
  }

  .page-faq .faq-hero {
    padding-top: clamp(2.2rem, 4vw, 3.2rem);
  }
}