.page-faq {
  --faq-aside-w: 258px;
  --faq-panel: rgba(18, 46, 82, 0.62);
  --faq-soft-line: rgba(247, 244, 236, 0.12);
  display: block;
  padding-bottom: 4.5rem;
  background:
    radial-gradient(920px 520px at 88% -8%, rgba(232, 179, 57, 0.13), transparent 62%),
    radial-gradient(720px 480px at -6% 38%, rgba(47, 168, 160, 0.10), transparent 64%);
}

.page-faq .breadcrumb {
  padding-block: 1.25rem 0.25rem;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: clamp(1rem, 3vw, 2rem) 0 clamp(2rem, 4vw, 3.25rem);
}

.page-faq .faq-hero-grid {
  display: grid;
  gap: 1.5rem;
}

.page-faq h1 {
  margin: 0.6rem 0 0;
  font-family: var(--font-sans);
  font-size: var(--fs-3xl);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.022em;
  color: var(--white);
  max-width: 16em;
}

.page-faq .faq-hero .lede {
  margin-top: 1.1rem;
  max-width: 42em;
  color: rgba(243, 233, 215, 0.86);
}

.page-faq .faq-hero-note {
  margin: 0.9rem 0 0;
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  color: var(--star);
  border-left: 2px solid var(--line-gold);
  padding-left: 0.75rem;
}

.page-faq .faq-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.6rem;
}

.page-faq .faq-hero-side {
  align-self: start;
  border-left: 3px solid var(--gold);
  padding: 1.35rem 1.25rem 1.2rem;
}

.page-faq .faq-side-list {
  margin: 0.9rem 0 0;
  display: grid;
  gap: 0.65rem;
}

.page-faq .faq-side-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.35rem 1rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px dashed var(--faq-soft-line);
}

.page-faq .faq-side-row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-faq .faq-side-row dt {
  font-size: var(--fs-sm);
  color: var(--star);
}

.page-faq .faq-side-row dd {
  margin: 0;
  font-size: var(--fs-sm);
  color: var(--paper);
}

.page-faq .faq-side-row .data-num {
  color: var(--gold);
  font-family: var(--font-mono);
  letter-spacing: -0.01em;
}

/* ---------- 三步排查 ---------- */
.page-faq .faq-triage {
  padding-block: clamp(1.5rem, 4vw, 2.5rem);
}

.page-faq .triage-track {
  list-style: none;
  margin: 2rem 0 0;
  padding: 0;
  display: grid;
  gap: 2rem;
}

.page-faq .triage-step {
  position: relative;
  padding-top: 0.25rem;
  border-top: 1px solid var(--line-gold);
  padding-top: 1.1rem;
}

.page-faq .triage-no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.6rem;
  height: 2.6rem;
  border-radius: 50%;
  border: 1px solid var(--line-gold);
  background: rgba(11, 31, 58, 0.78);
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  letter-spacing: 0.02em;
  margin-bottom: 0.9rem;
}

.page-faq .triage-title {
  margin: 0 0 0.55rem;
  font-size: var(--fs-md);
  font-weight: 700;
  line-height: 1.4;
  color: var(--white);
}

.page-faq .triage-step p {
  margin: 0 0 0.7rem;
  font-size: var(--fs-base);
  line-height: 1.7;
  color: rgba(243, 233, 215, 0.82);
}

.page-faq .triage-step .triage-check {
  font-size: var(--fs-sm);
  color: var(--cyan);
  border-left: 2px solid var(--cyan);
  padding-left: 0.7rem;
  line-height: 1.6;
}

.page-faq .triage-box {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.4rem;
  padding: 0.4rem 0.85rem;
  border: 1px dashed var(--line-gold);
  border-radius: 999px;
  font-size: var(--fs-sm);
  color: var(--paper);
  cursor: pointer;
  transition: border-color 160ms ease, color 160ms ease, background-color 160ms ease;
}

.page-faq .triage-box input {
  accent-color: var(--gold);
  margin: 0;
}

.page-faq .triage-box:has(input:checked) {
  border-style: solid;
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(47, 168, 160, 0.10);
}

.page-faq .faq-flow-figure {
  margin: 2.25rem 0 0;
}

.page-faq .figure {
  border-radius: var(--radius-m);
  overflow: hidden;
  border: 1px solid var(--line-gold);
  background: var(--ink-deep);
}

.page-faq .figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  filter: brightness(0.92) saturate(0.95);
}

.page-faq .figure-caption {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--star);
  padding: 0.65rem 0.2rem 0;
}

/* ---------- 问答区 ---------- */
.page-faq .faq-answers {
  padding-block: clamp(2rem, 5vw, 3.5rem);
}

.page-faq .faq-layout {
  display: grid;
  gap: 1.75rem;
  margin-top: 1.75rem;
}

.page-faq .faq-aside {
  align-self: start;
}

.page-faq .faq-aside-title {
  margin: 0 0 0.8rem;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--star);
}

.page-faq .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.page-faq .filter-btn {
  appearance: none;
  border: 1px solid var(--faq-soft-line);
  background: transparent;
  color: var(--paper);
  font-family: inherit;
  font-size: var(--fs-sm);
  padding: 0.47rem 0.9rem;
  border-radius: 999px;
  cursor: pointer;
  transition: background-color 160ms ease, color 160ms ease, border-color 160ms ease;
}

.page-faq .filter-btn:hover,
.page-faq .filter-btn:focus-visible {
  border-color: var(--line-gold);
  color: var(--gold);
}

.page-faq .filter-btn[aria-pressed="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: #05201f;
  font-weight: 600;
}

.page-faq .faq-aside-note {
  margin: 1rem 0 0;
  font-size: var(--fs-sm);
  line-height: 1.65;
  color: var(--star);
  border-left: 2px solid var(--line-gold);
  padding-left: 0.75rem;
}

.page-faq .faq-item {
  background: var(--faq-panel);
  border: 1px solid var(--faq-soft-line);
  border-radius: var(--radius-s);
  transition: border-color 160ms ease, background-color 160ms ease;
}

.page-faq .faq-item + .faq-item {
  margin-top: 0.7rem;
}

.page-faq .faq-item[hidden] {
  display: none;
}

.page-faq .faq-item:hover {
  border-color: var(--line-gold);
}

.page-faq .faq-item[open] {
  border-color: var(--line-gold);
  background: rgba(18, 46, 82, 0.85);
}

.page-faq .faq-item summary {
  list-style: none;
  cursor: pointer;
  position: relative;
  padding: 1rem 1.1rem 1rem 2.7rem;
  font-size: var(--fs-base);
  font-weight: 600;
  line-height: 1.55;
  color: var(--white);
}

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

.page-faq .faq-item summary::before {
  content: "+";
  position: absolute;
  left: 1rem;
  top: 1rem;
  font-family: var(--font-mono);
  font-size: 1rem;
  line-height: 1.55;
  color: var(--gold);
}

.page-faq .faq-item[open] summary::before {
  content: "\2212";
}

.page-faq .faq-item summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
  border-radius: var(--radius-s);
}

.page-faq .faq-body {
  margin: 0 1.1rem 0.9rem 1.1rem;
  padding: 0.85rem 0.2rem 0.15rem 0.95rem;
  border-left: 2px solid var(--gold);
}

.page-faq .faq-body p {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: 1.75;
  color: rgba(243, 233, 215, 0.84);
}

/* ---------- 版本对照 ---------- */
.page-faq .faq-compare {
  padding-block: clamp(2rem, 5vw, 3.5rem);
}

.page-faq .compare-wrap {
  margin-top: 1.75rem;
  background: var(--paper);
  color: var(--ink-text);
  border: 1px solid var(--paper-line);
  border-radius: var(--radius-l);
  padding: 1rem 0.85rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-faq .compare-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: var(--fs-sm);
  line-height: 1.6;
}

.page-faq .compare-table thead th {
  text-align: left;
  padding: 0.6rem 0.7rem 0.75rem;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #6b5636;
  border-bottom: 2px solid #cbb894;
  white-space: nowrap;
}

.page-faq .compare-table tbody th {
  text-align: left;
  font-weight: 700;
  color: #202a3d;
  padding: 0.85rem 0.7rem;
  border-bottom: 1px solid var(--paper-line);
  border-left: 3px solid transparent;
  white-space: nowrap;
}

.page-faq .compare-table tbody td {
  padding: 0.85rem 0.7rem;
  border-bottom: 1px solid var(--paper-line);
  color: #3b4252;
  vertical-align: top;
}

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

.page-faq .compare-table tbody tr[data-diff] td {
  background: rgba(201, 74, 74, 0.09);
}

.page-faq .compare-table tbody tr[data-diff] th {
  border-left-color: var(--red);
  background: rgba(201, 74, 74, 0.09);
}

.page-faq .compare-foot {
  margin: 1.1rem 0 0;
  font-size: var(--fs-sm);
  line-height: 1.7;
  color: var(--star);
}

.page-faq .faq-inline-link {
  color: var(--gold);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-faq .faq-inline-link:hover {
  color: var(--yellow);
}

/* ---------- 提交材料 ---------- */
.page-faq .faq-materials {
  padding-block: clamp(2rem, 5vw, 3.5rem);
}

.page-faq .faq-materials-grid {
  display: grid;
  gap: 2rem;
}

.page-faq .material-list {
  list-style: none;
  margin: 1.6rem 0 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.page-faq .material-list li {
  display: grid;
  grid-template-columns: 2.6rem minmax(0, 1fr);
  gap: 0.9rem;
  align-items: start;
  padding: 0.9rem 0 0.95rem;
  border-top: 1px solid var(--faq-soft-line);
}

.page-faq .material-no {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  color: var(--gold);
  padding-top: 0.18rem;
}

.page-faq .material-list h3 {
  margin: 0 0 0.3rem;
  font-size: var(--fs-base);
  font-weight: 700;
  color: var(--white);
}

.page-faq .material-list p {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: 1.7;
  color: rgba(243, 233, 215, 0.8);
}

.page-faq .material-note {
  margin: 1.4rem 0 0;
  padding: 0.85rem 1rem;
  border-left: 3px solid var(--red);
  background: rgba(201, 74, 74, 0.10);
  border-radius: 0 var(--radius-s) var(--radius-s) 0;
  font-size: var(--fs-sm);
  line-height: 1.7;
  color: var(--paper);
}

.page-faq .faq-shot-figure {
  margin: 0;
}

/* ---------- 联系 ---------- */
.page-faq .faq-contact {
  padding-block: clamp(1.5rem, 4vw, 2.5rem) 0;
}

.page-faq .faq-contact-panel {
  background: linear-gradient(160deg, rgba(18, 46, 82, 0.96), rgba(7, 19, 36, 0.98));
  border: 1px solid var(--line-gold);
  border-radius: var(--radius-l);
  padding: clamp(1.4rem, 4vw, 2.5rem);
  display: grid;
  gap: 1.75rem;
}

.page-faq .faq-contact-intro p {
  margin: 0.8rem 0 0;
  max-width: 40em;
  font-size: var(--fs-base);
  line-height: 1.75;
  color: rgba(243, 233, 215, 0.84);
}

.page-faq .faq-contact-rows {
  display: grid;
  gap: 0.4rem;
}

.page-faq .faq-contact-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem 0.8rem;
  padding: 0.8rem 0;
  border-bottom: 1px dashed var(--faq-soft-line);
}

.page-faq .faq-contact-row:last-child {
  border-bottom: 0;
}

.page-faq .faq-contact-label {
  min-width: 4.6rem;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.08em;
  color: var(--star);
}

.page-faq .faq-contact-value {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  color: var(--gold);
  text-decoration: none;
  word-break: break-all;
}

.page-faq .faq-contact-value:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-contact-plain {
  font-family: var(--font-mono);
  color: var(--paper);
  word-break: break-word;
}

.page-faq .faq-copy {
  appearance: none;
  cursor: pointer;
  border: 1px solid var(--line-gold);
  background: transparent;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  padding: 0.28rem 0.6rem;
  border-radius: 999px;
  transition: background-color 160ms ease, color 160ms ease, border-color 160ms ease;
}

.page-faq .faq-copy:hover,
.page-faq .faq-copy:focus-visible {
  background: var(--cyan);
  border-color: var(--cyan);
  color: #05201f;
}

.page-faq .faq-copy-feedback {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--green);
  min-height: 1em;
}

.page-faq .faq-contact-foot {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: 1.7;
  color: var(--star);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-contact-panel {
    gap: 2rem;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1.65fr) minmax(0, 0.85fr);
    align-items: start;
    gap: 2.75rem;
  }

  .page-faq .triage-track {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 2.25rem;
  }

  .page-faq .triage-step:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 2.4rem;
    right: -2.25rem;
    width: 2.25rem;
    height: 1px;
    background: repeating-linear-gradient(90deg, var(--gold) 0 7px, transparent 7px 14px);
    opacity: 0.55;
  }

  .page-faq .faq-flow-figure,
  .page-faq .faq-shot-figure {
    max-width: 760px;
  }

  .page-faq .faq-materials-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.75fr);
    align-items: start;
    gap: 2.75rem;
  }

  .page-faq .faq-contact-panel {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: start;
  }

  .page-faq .faq-contact-foot {
    grid-column: 1 / -1;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-aside-w) minmax(0, 1fr);
    gap: 2.75rem;
  }

  .page-faq .faq-aside {
    position: sticky;
    top: 5.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .filter-btn,
  .page-faq .faq-item,
  .page-faq .triage-box,
  .page-faq .faq-copy {
    transition: none;
  }
}

<<<END>>>