.page-faq .breadcrumb {
  padding-top: calc(var(--step) * 3);
}

/* 首屏 */
.page-faq .faq-hero {
  padding: calc(var(--step) * 6) 0 calc(var(--step) * 5);
}

.page-faq .faq-hero__title {
  margin: var(--step) 0 calc(var(--step) * 2.5);
  font-family: var(--font-sans);
  font-size: clamp(2.2rem, 5vw, 4.4rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--ink-abyss);
  max-width: 16em;
}

.page-faq .faq-hero__title span {
  color: var(--coral-text);
}

.page-faq .faq-hero__lead {
  margin: 0;
  max-width: 38rem;
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--slate);
}

.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: var(--step);
  margin-top: calc(var(--step) * 4);
  padding-top: calc(var(--step) * 3);
  border-top: 1px solid var(--grid-line);
}

.page-faq .faq-jump a {
  display: inline-block;
  padding: 6px 12px;
  border: 1px solid var(--grid-line);
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.02em;
  color: var(--ink-abyss);
  text-decoration: none;
  transition: border-color 180ms ease, color 180ms ease;
}

.page-faq .faq-jump a:hover,
.page-faq .faq-jump a:focus-visible {
  border-color: var(--coral-entry);
  color: var(--coral-text);
}

/* 三类访问场景 */
.page-faq .faq-scenes__grid {
  display: grid;
  gap: calc(var(--step) * 4);
}

.page-faq .faq-scenes__list {
  display: grid;
  gap: calc(var(--step) * 3);
}

.page-faq .scene-card {
  position: relative;
  padding: calc(var(--step) * 3) calc(var(--step) * 3) calc(var(--step) * 3) calc(var(--step) * 8);
  background: var(--pearl);
  border: 1px solid var(--grid-line);
  border-radius: 2px;
  transition: border-color 200ms ease;
}

.page-faq .scene-card:hover {
  border-color: var(--coral-entry);
}

.page-faq .scene-card__num {
  position: absolute;
  left: calc(var(--step) * 2.5);
  top: calc(var(--step) * 3.4);
  font-size: 1rem;
  font-weight: 600;
  color: var(--coral-text);
  letter-spacing: 0.02em;
}

.page-faq .scene-card__title {
  margin: 0 0 var(--step);
  font-size: 1.12rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink-abyss);
}

.page-faq .scene-card__desc {
  margin: 0 0 calc(var(--step) * 2);
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--slate);
}

.page-faq .scene-card__paths {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: calc(var(--step) * 1.5);
}

.page-faq .scene-card__paths li {
  position: relative;
  padding-left: calc(var(--step) * 2);
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--slate);
}

.page-faq .scene-card__paths li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 1px;
  background: var(--sea-mid);
}

.page-faq .scene-card__paths a {
  color: var(--ink-abyss);
  font-weight: 500;
  text-decoration: none;
  border-bottom: 1px solid var(--electric-teal);
}

.page-faq .scene-card__paths a:hover,
.page-faq .scene-card__paths a:focus-visible {
  color: var(--coral-text);
  border-bottom-color: var(--coral-entry);
}

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

.page-faq .faq-scenes__figure img,
.page-faq .device-grid__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* 查找栏目 */
.page-faq .find-steps {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .find-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: calc(var(--step) * 2);
  padding: calc(var(--step) * 3) 0;
  border-top: 1px solid var(--grid-line);
}

.page-faq .find-step:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-faq .find-step__num {
  padding-top: 0.25em;
  font-size: 1rem;
  font-weight: 600;
  color: var(--sea-mid);
}

.page-faq .find-step__title {
  margin: 0 0 var(--step);
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink-abyss);
}

.page-faq .find-step__body p {
  margin: 0;
  max-width: 40rem;
  font-size: 0.96rem;
  line-height: 1.75;
  color: var(--slate);
}

.page-faq .find-step__body a {
  color: var(--coral-text);
  text-decoration: none;
  border-bottom: 1px solid var(--coral-entry);
}

/* 设备显示 */
.page-faq .device-grid {
  display: grid;
  gap: calc(var(--step) * 4);
}

.page-faq .device-grid__figure {
  margin: 0;
}

.page-faq .device-list {
  margin: 0;
}

.page-faq .device-row {
  padding: calc(var(--step) * 2.5) 0;
  border-top: 1px solid var(--grid-line);
}

.page-faq .device-row:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-faq .device-row dt {
  margin-bottom: var(--step);
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink-abyss);
}

.page-faq .device-row dd {
  margin: 0;
  max-width: 40rem;
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--slate);
}

/* 更新记录回看 */
.page-faq .timeline__item > h3 {
  margin: 0 0 var(--step);
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink-abyss);
}

.page-faq .timeline__item > p:not(.timeline__time) {
  margin: 0;
  max-width: 40rem;
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--slate);
}

.page-faq .timeline__item a {
  color: var(--coral-text);
  text-decoration: none;
  border-bottom: 1px solid var(--coral-entry);
}

.page-faq .version-note {
  margin: calc(var(--step) * 3) 0 0;
  padding: calc(var(--step) * 2.5) calc(var(--step) * 3);
  max-width: 40rem;
  background: var(--pearl);
  border-left: 2px solid var(--coral-entry);
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--slate);
}

/* 内容纠错 */
.page-faq .faq-feedback {
  display: grid;
  gap: calc(var(--step) * 4);
}

.page-faq .faq-feedback__intro h2 {
  margin: 0 0 calc(var(--step) * 2);
  font-size: clamp(1.6rem, 3.4vw, 2.5rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--ink-abyss);
  max-width: 16em;
}

.page-faq .faq-feedback__intro p {
  margin: 0;
  max-width: 36rem;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--slate);
}

.page-faq .feedback-list {
  margin: 0 0 calc(var(--step) * 3);
  padding: 0;
  list-style: none;
  display: grid;
  gap: calc(var(--step) * 2);
}

.page-faq .feedback-list li {
  position: relative;
  padding-left: calc(var(--step) * 3);
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--slate);
}

.page-faq .feedback-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 12px;
  height: 1px;
  background: var(--coral-entry);
}

.page-faq .feedback-contact {
  margin: 0;
  padding-top: calc(var(--step) * 3);
  border-top: 1px solid var(--grid-line);
  max-width: 40rem;
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--slate);
}

.page-faq .feedback-contact a {
  color: var(--coral-text);
  text-decoration: none;
  border-bottom: 1px solid var(--coral-entry);
}

/* 常见疑问折叠 */
.page-faq .faq-groups {
  display: grid;
  gap: calc(var(--step) * 5);
  margin-top: calc(var(--step) * 3);
}

.page-faq .faq-group {
  display: block;
}

.page-faq .faq-group__label {
  margin: 0 0 var(--step);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--sea-mid);
}

.page-faq .faq-group__title {
  margin: 0 0 calc(var(--step) * 2);
  padding-bottom: calc(var(--step) * 1.5);
  border-bottom: 1px solid var(--ink-abyss);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--ink-abyss);
}

.page-faq .faq-item {
  background: var(--pearl);
  border: 1px solid var(--grid-line);
  border-left-width: 2px;
  border-left-color: var(--grid-line);
  border-radius: 2px;
  transition: border-left-color 220ms ease;
}

.page-faq .faq-item + .faq-item {
  margin-top: calc(var(--step) * 1.5);
}

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

.page-faq .faq-item > summary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--step);
  padding: calc(var(--step) * 2) calc(var(--step) * 2.5);
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.6;
  color: var(--ink-abyss);
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item > summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  line-height: 1.4;
  color: var(--sea-mid);
  transition: color 200ms ease;
}

.page-faq .faq-item[open] > summary::after {
  content: "\2013";
  color: var(--coral-text);
}

.page-faq .faq-item__body {
  padding: calc(var(--step) * 2) calc(var(--step) * 2.5) calc(var(--step) * 2.5) calc(var(--step) * 4.5);
  border-top: 1px solid var(--grid-line);
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--slate);
}

.page-faq .faq-item__body a {
  color: var(--coral-text);
  text-decoration: none;
  border-bottom: 1px solid var(--coral-entry);
}

.page-faq .empty-note {
  margin-top: calc(var(--step) * 3);
}

/* 平板及以上 */
@media (min-width: 760px) {
  .page-faq .faq-scenes__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: start;
    gap: calc(var(--step) * 5);
  }

  .page-faq .device-grid {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    align-items: start;
    gap: calc(var(--step) * 5);
  }

  .page-faq .faq-feedback {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: calc(var(--step) * 6);
  }

  .page-faq .faq-groups {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: calc(var(--step) * 4);
  }

  .page-faq .faq-group:nth-child(2) {
    margin-top: calc(var(--step) * 3);
  }
}

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

  .page-faq .faq-group:nth-child(3) {
    margin-top: calc(var(--step) * 6);
  }

  .page-faq .faq-hero {
    padding: calc(var(--step) * 8) 0 calc(var(--step) * 6);
  }
}
<<<END>>>