.page-faq {
  background: var(--c-ink);
  color: var(--c-paper);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: 2.25rem 0 2.75rem;
  background:
    radial-gradient(120% 90% at 8% 0%, rgba(22, 93, 255, 0.32), transparent 60%),
    radial-gradient(90% 80% at 100% 18%, rgba(255, 122, 26, 0.18), transparent 58%),
    var(--c-ink);
  overflow: hidden;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -3rem;
  bottom: -4.5rem;
  width: 15rem;
  height: 15rem;
  border: 1px solid rgba(255, 122, 26, 0.34);
  border-radius: 50%;
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
}

.page-faq .breadcrumb {
  margin-bottom: 1.5rem;
  font-size: 0.875rem;
  color: var(--c-silver);
}

.page-faq .breadcrumb a {
  color: var(--c-paper);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 122, 26, 0.5);
}

.page-faq .breadcrumb a:hover,
.page-faq .breadcrumb a:focus-visible {
  border-bottom-color: var(--c-orange);
}

.page-faq .breadcrumb__sep {
  margin: 0 0.5rem;
  color: var(--c-orange);
}

.page-faq .eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-orange);
  margin: 0 0 1rem;
}

.page-faq .faq-hero h1 {
  margin: 0 0 1.15rem;
  font-size: clamp(2.1rem, 7vw, 4rem);
  line-height: 1.14;
  letter-spacing: 0.02em;
  font-weight: 800;
  max-width: 22ch;
}

.page-faq .faq-hero__lead {
  max-width: 42ch;
  margin: 0 0 1.75rem;
  font-size: 1.0625rem;
  line-height: 1.8;
  color: rgba(244, 246, 250, 0.82);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2.25rem;
}

.page-faq .faq-hero__actions .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius-s);
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform 0.25s var(--ease), background-color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-faq .faq-hero__actions .btn--accent {
  background: var(--c-orange);
  color: var(--c-ink);
}

.page-faq .faq-hero__actions .btn--accent:hover,
.page-faq .faq-hero__actions .btn--accent:focus-visible {
  background: #ff8f3d;
  transform: translateY(-2px);
}

.page-faq .faq-hero__actions .btn--outline {
  border-color: rgba(244, 246, 250, 0.34);
  color: var(--c-paper);
}

.page-faq .faq-hero__actions .btn--outline:hover,
.page-faq .faq-hero__actions .btn--outline:focus-visible {
  border-color: var(--c-orange);
  color: var(--c-orange);
  transform: translateY(-2px);
}

.page-faq .faq-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: rgba(168, 179, 199, 0.16);
  border: 1px solid rgba(168, 179, 199, 0.16);
  border-radius: var(--radius-m);
  overflow: hidden;
}

.page-faq .faq-stat {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding: 0.95rem 1rem;
  background: rgba(16, 21, 31, 0.86);
}

.page-faq .faq-stat__num {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--c-paper);
  letter-spacing: 0.02em;
}

.page-faq .faq-stat__unit {
  margin-left: 0.15rem;
  font-size: 0.9rem;
  color: var(--c-orange);
}

.page-faq .faq-stat__label {
  font-size: 0.8125rem;
  color: var(--c-silver);
}

/* ---------- 通用章节头 ---------- */
.page-faq .section-head {
  margin-bottom: 1.75rem;
}

.page-faq .section-head__eyebrow {
  margin: 0 0 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-blue);
}

.page-faq .section-head--light .section-head__eyebrow {
  color: var(--c-orange);
}

.page-faq .section-head__title {
  margin: 0;
  font-size: clamp(1.5rem, 5vw, 2.3rem);
  line-height: 1.28;
  letter-spacing: 0.02em;
  font-weight: 800;
}

.page-faq .section-head__title::after {
  content: "";
  display: block;
  width: 3.25rem;
  height: 0.28rem;
  margin-top: 0.9rem;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--c-blue), var(--c-orange));
}

/* ---------- 01 问题分类 ---------- */
.page-faq .faq-types {
  padding: 3rem 0 3.25rem;
  background: var(--c-paper);
  color: var(--c-graphite);
}

.page-faq .faq-types__intro {
  max-width: 40ch;
  margin: 1rem 0 0;
  color: #43506a;
  line-height: 1.8;
}

.page-faq .faq-types__body {
  display: grid;
  gap: 1.75rem;
}

.page-faq .faq-tags {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
}

.page-faq .faq-tag {
  position: relative;
  display: block;
  padding: 1rem 1.1rem 1rem 1.15rem;
  border-radius: var(--radius-m);
  border: 1px solid rgba(28, 36, 48, 0.12);
  background: #fff;
  color: var(--c-graphite);
  text-decoration: none;
  box-shadow: var(--shadow-card);
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-faq .faq-tag::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.9rem;
  bottom: 0.9rem;
  width: 0.3rem;
  border-radius: 999px;
  background: var(--c-blue);
}

.page-faq .faq-tag--orange::before { background: var(--c-orange); }
.page-faq .faq-tag--teal::before { background: var(--c-teal); }
.page-faq .faq-tag--wine::before { background: var(--c-wine); }

.page-faq .faq-tag:hover,
.page-faq .faq-tag:focus-visible {
  transform: translateY(-3px);
  border-color: rgba(22, 93, 255, 0.45);
}

.page-faq .faq-tag__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  color: var(--c-silver);
  margin-bottom: 0.35rem;
}

.page-faq .faq-tag__name {
  display: block;
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  margin-bottom: 0.35rem;
}

.page-faq .faq-tag__desc {
  display: block;
  font-size: 0.875rem;
  line-height: 1.7;
  color: #4b5870;
}

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

.page-faq .faq-types__figure .figure__frame {
  aspect-ratio: 1000 / 650;
  border-radius: var(--radius-l);
  overflow: hidden;
  border: 1px solid rgba(28, 36, 48, 0.12);
  background: #e6ebf5;
}

.page-faq .faq-types__figure .figure__img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-faq .figure__caption {
  margin-top: 0.7rem;
  font-size: 0.8125rem;
  line-height: 1.7;
  color: #5b677e;
}

/* ---------- 02 下载与安装 ---------- */
.page-faq .faq-download {
  padding: 3rem 0 3.25rem;
  background: var(--c-teal);
  color: var(--c-paper);
}

.page-faq .faq-download__intro {
  max-width: 40ch;
  margin: 1rem 0 0;
  color: rgba(244, 246, 250, 0.76);
  line-height: 1.8;
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: 0.75rem;
}

.page-faq .faq-item {
  border-radius: var(--radius-m);
  border: 1px solid rgba(244, 246, 250, 0.18);
  background: rgba(244, 246, 250, 0.06);
  overflow: hidden;
  transition: border-color 0.25s var(--ease), background-color 0.25s var(--ease);
}

.page-faq .faq-item[open] {
  border-color: rgba(255, 122, 26, 0.6);
  background: rgba(244, 246, 250, 0.1);
}

.page-faq .faq-item > summary.faq-item__q {
  position: relative;
  list-style: none;
  cursor: pointer;
  padding: 1rem 3rem 1rem 1.1rem;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.6;
  color: var(--c-paper);
  transition: color 0.2s var(--ease);
}

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

.page-faq .faq-item > summary.faq-item__q::after {
  content: "+";
  position: absolute;
  right: 1.05rem;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 1.25rem;
  line-height: 1;
  color: var(--c-orange);
}

.page-faq .faq-item[open] > summary.faq-item__q::after {
  content: "–";
}

.page-faq .faq-item > summary.faq-item__q:hover {
  color: var(--c-orange);
}

.page-faq .faq-item > summary.faq-item__q:focus-visible {
  outline: 2px solid var(--c-orange);
  outline-offset: -2px;
}

.page-faq .faq-item__a {
  padding: 0 1.1rem 1.1rem;
  border-top: 1px solid rgba(244, 246, 250, 0.14);
  margin-top: 0.25rem;
}

.page-faq .faq-item__a p {
  margin: 0.85rem 0 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: rgba(244, 246, 250, 0.84);
  max-width: 46ch;
}

.page-faq .faq-item__a a {
  color: var(--c-orange);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 浅色变体 */
.page-faq .faq-list--light .faq-item--light {
  background: #fff;
  border-color: rgba(28, 36, 48, 0.12);
}

.page-faq .faq-list--light .faq-item--light[open] {
  background: #fff;
  border-color: rgba(22, 93, 255, 0.5);
}

.page-faq .faq-item--light > summary.faq-item__q {
  color: var(--c-graphite);
}

.page-faq .faq-item--light__a,
.page-faq .faq-item--light .faq-item__a {
  border-top-color: rgba(28, 36, 48, 0.12);
}

.page-faq .faq-item--light .faq-item__a p {
  color: #3d4a61;
}

.page-faq .faq-item--light .faq-item__a a {
  color: var(--c-blue-deep);
}

/* ---------- 03 版本 ---------- */
.page-faq .faq-version {
  padding: 3rem 0 3.25rem;
  background: var(--c-paper);
  color: var(--c-graphite);
}

.page-faq .faq-version .section-head__eyebrow {
  color: var(--c-wine);
}

/* ---------- 04 反馈提交 ---------- */
.page-faq .faq-submit {
  padding: 3rem 0 3.25rem;
  background:
    linear-gradient(180deg, rgba(11, 59, 60, 0.55), rgba(51, 42, 122, 0.15)),
    var(--c-indigo);
  color: var(--c-paper);
}

.page-faq .faq-submit__intro {
  max-width: 42ch;
  margin: 1rem 0 0;
  color: rgba(244, 246, 250, 0.8);
  line-height: 1.8;
}

.page-faq .faq-submit__body {
  display: grid;
  gap: 1.75rem;
}

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

.page-faq .faq-step {
  position: relative;
  padding: 1rem 1.1rem 1rem 1.4rem;
  border-radius: var(--radius-m);
  background: rgba(244, 246, 250, 0.08);
  border: 1px solid rgba(244, 246, 250, 0.16);
}

.page-faq .faq-step::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 0.28rem;
  border-radius: 999px 0 0 999px;
  background: linear-gradient(180deg, var(--c-blue), var(--c-orange));
}

.page-faq .faq-step__num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  color: var(--c-orange);
  margin-bottom: 0.4rem;
}

.page-faq .faq-step h3 {
  margin: 0 0 0.45rem;
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: 0.03em;
}

.page-faq .faq-step p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: rgba(244, 246, 250, 0.78);
}

.page-faq .faq-submit__side {
  display: grid;
  gap: 1rem;
}

.page-faq .faq-checklist {
  padding: 1.15rem 1.15rem 1.25rem;
  border-radius: var(--radius-m);
  background: var(--c-paper);
  color: var(--c-graphite);
  border: 1px solid rgba(28, 36, 48, 0.1);
}

.page-faq .faq-checklist__title {
  margin: 0 0 0.9rem;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  padding-bottom: 0.7rem;
  border-bottom: 2px solid var(--c-orange);
}

.page-faq .faq-checklist__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.6rem;
}

.page-faq .faq-checklist__list li {
  font-size: 0.875rem;
  line-height: 1.7;
  color: #3d4a61;
  padding-left: 1rem;
  position: relative;
}

.page-faq .faq-checklist__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 50%;
  background: var(--c-blue);
}

.page-faq .faq-checklist__key {
  display: block;
  font-weight: 700;
  color: var(--c-graphite);
}

.page-faq .faq-template {
  padding: 1rem 1.1rem 1.15rem;
  border-radius: var(--radius-m);
  border: 1px dashed rgba(255, 122, 26, 0.55);
  background: rgba(16, 21, 31, 0.4);
}

.page-faq .faq-template__label {
  margin: 0 0 0.65rem;
  font-size: 0.8125rem;
  color: rgba(244, 246, 250, 0.72);
}

.page-faq .faq-template__body {
  margin: 0;
  padding: 0.85rem 0.9rem;
  border-radius: var(--radius-s);
  background: rgba(16, 21, 31, 0.72);
  color: var(--c-paper);
  font-size: 0.8125rem;
  line-height: 1.85;
  white-space: pre-wrap;
  word-break: break-word;
  overflow-x: auto;
}

.page-faq .faq-submit__figure {
  margin: 2rem 0 0;
}

.page-faq .faq-submit__figure .figure__frame {
  aspect-ratio: 1100 / 700;
  border-radius: var(--radius-l);
  overflow: hidden;
  border: 1px solid rgba(244, 246, 250, 0.2);
  background: rgba(16, 21, 31, 0.5);
}

.page-faq .faq-submit__figure .figure__img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-faq .faq-submit__figure .figure__caption {
  color: rgba(244, 246, 250, 0.68);
}

/* ---------- 05 回复时效 ---------- */
.page-faq .faq-response {
  padding: 3rem 0 3.25rem;
  background: var(--c-ink);
  color: var(--c-paper);
  border-top: 1px solid rgba(168, 179, 199, 0.16);
}

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

.page-faq .faq-response__title {
  margin: 0 0 1rem;
  font-size: clamp(1.5rem, 5vw, 2.2rem);
  line-height: 1.3;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.page-faq .faq-response__main p {
  margin: 0 0 1rem;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: rgba(244, 246, 250, 0.8);
  max-width: 46ch;
}

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

.page-faq .faq-response__fact {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding: 0.95rem 1.05rem;
  border-radius: var(--radius-m);
  background: rgba(244, 246, 250, 0.07);
  border-left: 0.3rem solid var(--c-green);
}

.page-faq .faq-response__fact-num {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--c-orange);
}

.page-faq .faq-response__fact-label {
  font-size: 0.8125rem;
  color: var(--c-silver);
}

/* ---------- 06 继续找路 ---------- */
.page-faq .faq-more {
  padding: 3rem 0 3.5rem;
  background: var(--c-wine);
  color: var(--c-paper);
}

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

.page-faq .faq-more__card {
  position: relative;
  display: block;
  padding: 1.15rem 3rem 1.2rem 1.15rem;
  border-radius: var(--radius-m);
  background: rgba(16, 21, 31, 0.42);
  border: 1px solid rgba(244, 246, 250, 0.2);
  color: var(--c-paper);
  text-decoration: none;
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease), background-color 0.25s var(--ease);
}

.page-faq .faq-more__card:hover,
.page-faq .faq-more__card:focus-visible {
  transform: translateY(-3px);
  border-color: var(--c-orange);
  background: rgba(16, 21, 31, 0.62);
}

.page-faq .faq-more__tag {
  display: inline-block;
  margin-bottom: 0.6rem;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
}

.page-faq .faq-more__card h3 {
  margin: 0 0 0.45rem;
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.page-faq .faq-more__card p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.75;
  color: rgba(244, 246, 250, 0.78);
}

.page-faq .faq-more__arrow {
  position: absolute;
  right: 1.15rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.25rem;
  color: var(--c-orange);
  transition: transform 0.25s var(--ease);
}

.page-faq .faq-more__card:hover .faq-more__arrow,
.page-faq .faq-more__card:focus-visible .faq-more__arrow {
  transform: translate(0.25rem, -50%);
}

/* ---------- 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-tag,
  .page-faq .faq-hero__actions .btn,
  .page-faq .faq-more__card,
  .page-faq .faq-more__arrow {
    transition: none;
  }
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-hero {
    padding: 3.25rem 0 3.75rem;
  }

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

  .page-faq .faq-tags {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.9rem;
  }

  .page-faq .faq-submit__body {
    grid-template-columns: 1fr;
  }

  .page-faq .faq-more__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-response__side {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 桌面端非对称栅格 ---------- */
@media (min-width: 1024px) {
  .page-faq .faq-hero {
    padding: 4rem 0 4.5rem;
  }

  .page-faq .faq-hero__inner {
    display: grid;
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    grid-template-areas:
      "crumb crumb"
      "eyebrow eyebrow"
      "title stats"
      "lead stats"
      "actions stats";
    column-gap: 3rem;
    align-items: start;
  }

  .page-faq .breadcrumb { grid-area: crumb; }
  .page-faq .faq-hero .eyebrow { grid-area: eyebrow; }
  .page-faq .faq-hero h1 { grid-area: title; }
  .page-faq .faq-hero__lead { grid-area: lead; }
  .page-faq .faq-hero__actions { grid-area: actions; margin-bottom: 0; }

  .page-faq .faq-stats {
    grid-area: stats;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: 3.6rem;
    align-self: start;
  }

  .page-faq .faq-types__body {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
    column-gap: 2.5rem;
  }

  .page-faq .faq-tags {
    grid-template-columns: 1fr;
  }

  .page-faq .faq-types__figure {
    margin-top: -2.75rem;
  }

  .page-faq .faq-submit__body {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    column-gap: 2.5rem;
    align-items: start;
  }

  .page-faq .faq-submit__figure {
    margin-top: 2.5rem;
  }

  .page-faq .faq-response__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    column-gap: 3rem;
    align-items: center;
  }

  .page-faq .faq-response__side {
    grid-template-columns: 1fr;
  }

  .page-faq .faq-more__grid {
    gap: 1.25rem;
  }
}
<<<END>>>