.page-faq {
  --faq-line: rgba(15, 59, 92, 0.16);
  --faq-wash: rgba(15, 59, 92, 0.05);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  display: grid;
  gap: 16px;
  padding: clamp(20px, 4vw, 44px);
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(232, 214, 179, 0.62) 0%, rgba(232, 214, 179, 0) 62%),
    var(--paper);
  margin-bottom: clamp(26px, 4vw, 46px);
}

.page-faq .faq-h1 {
  margin: 0;
  color: var(--sea);
  font-family: var(--font-head);
  font-size: clamp(27px, 5vw, 46px);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -0.02em;
  max-width: 20em;
}

.page-faq .faq-lede {
  margin: 0;
  max-width: 62ch;
  color: var(--ink-soft);
  line-height: 1.8;
}

.page-faq .jump-list {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin: 6px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .jump-link {
  display: inline-flex;
  align-items: center;
  padding: 9px 16px;
  border-radius: var(--pill);
  border: 1px solid var(--faq-line);
  background: var(--cream);
  color: var(--sea);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.page-faq .jump-link:hover {
  transform: translateY(-2px);
  border-color: var(--orange);
  background: var(--paper);
}

.page-faq .jump-link:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 3px;
}

/* ---------- 步骤工作台 ---------- */
.page-faq .workbench {
  display: grid;
  gap: 22px;
}

.page-faq .step-index {
  padding: 16px 18px;
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-md);
  background: var(--paper);
}

.page-faq .step-index-list {
  display: grid;
  gap: 3px;
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .step-index-list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 10px;
  color: var(--ink-soft);
  font-size: 14px;
  text-decoration: none;
  transition: background 0.18s ease, color 0.18s ease;
}

.page-faq .step-index-list a:hover {
  background: rgba(232, 214, 179, 0.55);
  color: var(--sea);
}

.page-faq .step-index-list a:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

.page-faq .idx-num {
  font-family: var(--font-num);
  font-size: 12px;
  font-weight: 700;
  color: var(--orange);
  letter-spacing: 0.04em;
}

.page-faq .step-index-note {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--faq-line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate);
}

.page-faq .step-stack {
  display: grid;
  gap: 12px;
  min-width: 0;
}

.page-faq .step-stack .media {
  margin: 0 0 6px;
}

.page-faq .media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  object-fit: cover;
}

.page-faq .media-caption {
  margin-top: 8px;
  font-size: 13px;
  color: var(--slate);
  line-height: 1.6;
}

.page-faq .step {
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-md);
  background: var(--paper);
  overflow: hidden;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.page-faq .step:hover {
  border-color: rgba(15, 59, 92, 0.32);
}

.page-faq .step[open] {
  border-color: rgba(242, 107, 58, 0.45);
  box-shadow: var(--shadow-1);
}

.page-faq .step-summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .step-summary:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: -3px;
}

.page-faq .step-num {
  display: grid;
  place-items: center;
  flex: none;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: var(--sea);
  color: var(--paper);
  font-family: var(--font-num);
  font-size: 14px;
  font-weight: 700;
}

.page-faq .step[open] .step-num {
  background: var(--orange);
}

.page-faq .step-title {
  flex: 1 1 auto;
  min-width: 0;
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 800;
  line-height: 1.45;
  color: var(--sea);
}

.page-faq .step-state {
  flex: none;
}

.page-faq .step-body {
  padding: 0 16px 18px;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.78;
}

.page-faq .step-list {
  margin: 0;
  padding-left: 18px;
}

.page-faq .step-list li {
  margin-bottom: 7px;
}

.page-faq .step-list li:last-child {
  margin-bottom: 0;
}

.page-faq .step-note {
  margin: 12px 0 0;
  padding: 10px 14px;
  border-left: 3px solid var(--celadon);
  border-radius: 0 10px 10px 0;
  background: rgba(111, 175, 159, 0.13);
  font-size: 14px;
  line-height: 1.7;
}

.page-faq .inline-link {
  color: var(--orange-deep);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid rgba(242, 107, 58, 0.4);
}

.page-faq .inline-link:hover {
  border-bottom-color: var(--orange-deep);
}

.page-faq .inline-link:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

/* ---------- 兼容对照 ---------- */
.page-faq .compat-wrap {
  padding: clamp(16px, 3vw, 30px);
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-lg);
  background: var(--paper);
}

.page-faq .compat-wrap .media {
  margin: 0 0 20px;
}

.page-faq .table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-faq .compat-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 14.5px;
  color: var(--ink);
}

.page-faq .compat-table thead th {
  padding: 11px 12px;
  text-align: left;
  background: var(--faq-wash);
  color: var(--sea);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .compat-table td {
  padding: 13px 12px;
  border-bottom: 1px solid var(--faq-line);
  line-height: 1.65;
  vertical-align: top;
}

.page-faq .compat-table tbody tr:hover td {
  background: rgba(232, 214, 179, 0.28);
}

.page-faq .compat-wrap .callout {
  margin-top: 20px;
}

/* ---------- 浏览器设置 ---------- */
.page-faq .browser-grid {
  display: grid;
  gap: 20px;
}

.page-faq .browser-steps {
  list-style: none;
  counter-reset: bs;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-faq .browser-steps > li {
  counter-increment: bs;
  position: relative;
  padding-left: 46px;
}

.page-faq .browser-steps > li::before {
  content: counter(bs, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  font-family: var(--font-num);
  font-size: 13px;
  font-weight: 700;
  color: var(--orange);
  letter-spacing: 0.04em;
}

.page-faq .browser-step-title {
  margin: 0 0 5px;
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 800;
  color: var(--sea);
}

.page-faq .browser-steps p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink-soft);
}

.page-faq .browser-aside {
  padding: 20px;
  border-radius: var(--radius-md);
  background: var(--sand);
  color: var(--ink);
}

.page-faq .browser-aside .meta-label {
  color: var(--sea);
}

.page-faq .aside-list {
  margin: 10px 0 0;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.75;
}

.page-faq .aside-list li {
  margin-bottom: 8px;
}

.page-faq .aside-foot {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid rgba(15, 59, 92, 0.18);
  font-size: 14px;
}

/* ---------- 更新与回退 ---------- */
.page-faq .rollback-grid {
  display: grid;
  gap: 16px;
}

.page-faq .rollback-card {
  padding: 22px;
}

.page-faq .rollback-card h3 {
  margin: 8px 0 12px;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 800;
  color: var(--sea);
  line-height: 1.4;
}

.page-faq .rollback-card .step-list {
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.75;
}

.page-faq .support-panel {
  margin-top: 22px;
  padding: clamp(20px, 4vw, 36px);
  border-radius: var(--radius-lg);
  background: linear-gradient(155deg, var(--sea-deep) 0%, var(--sea) 68%, #13506f 100%);
  color: var(--paper);
  display: grid;
  gap: 12px;
}

.page-faq .support-label {
  color: rgba(255, 253, 248, 0.72);
}

.page-faq .support-panel h3 {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(20px, 3vw, 26px);
  font-weight: 900;
  line-height: 1.35;
  color: var(--paper);
}

.page-faq .support-desc {
  margin: 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(255, 253, 248, 0.84);
}

.page-faq .support-lines {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .support-lines li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  background: rgba(255, 253, 248, 0.1);
  border: 1px solid rgba(255, 253, 248, 0.18);
}

.page-faq .support-key {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--sand);
}

.page-faq .support-line {
  font-family: var(--font-num);
  font-size: clamp(15px, 2.2vw, 19px);
  font-weight: 600;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-faq .support-panel p:last-child {
  margin: 6px 0 0;
}

/* ---------- 其他常见问题 ---------- */
.page-faq .help-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .help-links a {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas:
    "q arrow"
    "a arrow";
  align-items: center;
  gap: 5px 16px;
  padding: 16px 18px;
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-md);
  background: var(--paper);
  text-decoration: none;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.page-faq .help-links a:hover {
  transform: translateY(-2px);
  border-color: var(--orange);
  background: var(--cream);
}

.page-faq .help-links a:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 3px;
}

.page-faq .help-q {
  grid-area: q;
  font-family: var(--font-head);
  font-size: 15.5px;
  font-weight: 800;
  color: var(--sea);
  line-height: 1.5;
}

.page-faq .help-a {
  grid-area: a;
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate);
}

.page-faq .help-arrow {
  grid-area: arrow;
  font-size: 18px;
  color: var(--orange);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-faq .step-summary {
    padding: 16px 20px;
  }

  .page-faq .step-body {
    padding: 0 20px 20px 70px;
  }
}

@media (min-width: 760px) {
  .page-faq .rollback-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-faq .browser-grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: start;
    gap: 28px;
  }
}

@media (min-width: 900px) {
  .page-faq .workbench {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: 34px;
    align-items: start;
  }

  .page-faq .step-index {
    position: sticky;
    top: calc(var(--topbar-h) + 16px);
  }

  .page-faq .faq-hero {
    gap: 18px;
  }
}
<<<END>>>