.page-faq {
  --faq-anchor-offset: 104px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 4vw, 44px) 0 clamp(32px, 5vw, 64px);
  border-bottom: 2px solid var(--line);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  top: -80px;
  right: -120px;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(43, 227, 210, 0.16), transparent 68%);
  pointer-events: none;
  z-index: 0;
}

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

.page-faq .faq-hero-grid {
  margin-top: clamp(18px, 3vw, 32px);
  display: grid;
  gap: clamp(24px, 3.5vw, 40px);
  scroll-margin-top: var(--faq-anchor-offset);
}

@media (min-width: 900px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
  }
}

.page-faq .faq-hero h1 {
  margin: 12px 0 18px;
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: 0.02em;
  font-size: clamp(28px, 4.6vw, 46px);
  line-height: 1.22;
  color: var(--text);
  text-wrap: balance;
}

.page-faq .faq-hero .lede {
  max-width: 60ch;
  color: var(--text-dim);
  font-size: clamp(15.5px, 1.6vw, 17px);
  line-height: 1.8;
}

.page-faq .faq-side-label {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--text-dim);
  text-transform: uppercase;
}

/* 归类按钮 */
.page-faq .faq-route {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  border: 2px solid var(--line);
  background: var(--ink-800);
  color: var(--text);
  text-decoration: none;
  transition: border-color 0.18s ease, background 0.18s ease, transform 0.18s ease;
}

.page-faq .faq-route + .faq-route {
  margin-top: 10px;
}

.page-faq .faq-route:hover,
.page-faq .faq-route:focus-visible {
  border-color: var(--cyan);
  background: var(--ink-700);
  transform: translateX(4px);
}

.page-faq .faq-route-tag {
  flex: none;
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border: 2px solid var(--violet);
  color: var(--violet);
  font-size: 13px;
  letter-spacing: 0.06em;
}

.page-faq .faq-route-text {
  display: block;
  min-width: 0;
  font-size: 14px;
  line-height: 1.55;
  color: var(--text-dim);
}

.page-faq .faq-route-text strong {
  display: block;
  margin-bottom: 2px;
  font-size: 15.5px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--text);
}

/* ---------- 通用视觉块 ---------- */
.page-faq .faq-visual {
  margin: 0;
}

.page-faq .faq-visual img {
  display: block;
  width: 100%;
  height: auto;
  border: 2px solid var(--line);
  background: var(--ink-700);
  object-fit: cover;
}

.page-faq .faq-visual--wide {
  margin-bottom: clamp(22px, 3.4vw, 38px);
}

.page-faq .faq-visual--doc {
  margin-bottom: 20px;
}

.page-faq .faq-visual .figure-cap {
  margin-top: 10px;
  font-size: 12px;
  color: var(--text-dim);
  letter-spacing: 0.06em;
}

/* ---------- 双栏对照 ---------- */
.page-faq .faq-columns {
  display: grid;
  border: 2px solid var(--line);
  background: var(--ink-800);
  box-shadow: 10px 10px 0 rgba(6, 11, 26, 0.75);
}

@media (min-width: 900px) {
  .page-faq .faq-columns {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-faq .faq-col {
  min-width: 0;
  padding: clamp(20px, 3vw, 34px);
  scroll-margin-top: var(--faq-anchor-offset);
}

.page-faq .faq-col + .faq-col {
  border-top: 2px solid var(--line);
}

@media (min-width: 900px) {
  .page-faq .faq-col + .faq-col {
    border-top: 0;
    border-left: 2px solid var(--line);
  }
}

.page-faq .faq-col h3 {
  margin: 0;
  padding-left: 14px;
  border-left: 5px solid var(--violet);
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.02em;
  font-size: clamp(18px, 2.2vw, 22px);
  line-height: 1.35;
  color: var(--text);
}

.page-faq .faq-col--device h3 {
  border-left-color: var(--cyan);
}

/* 界面变化列表 */
.page-faq .faq-shifts {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
}

.page-faq .faq-shifts li {
  position: relative;
  padding: 13px 0 13px 22px;
  border-bottom: 1px dashed var(--line);
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-dim);
}

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

.page-faq .faq-shifts li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 21px;
  width: 8px;
  height: 8px;
  background: var(--violet);
  transform: rotate(45deg);
}

.page-faq .faq-shifts strong {
  color: var(--text);
  font-weight: 700;
}

/* 步骤列表 */
.page-faq .faq-steps {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  counter-reset: faq-step;
}

.page-faq .faq-step {
  display: flex;
  gap: 14px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-step:first-child {
  padding-top: 4px;
}

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

.page-faq .faq-step-num {
  flex: none;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 2px solid var(--cyan);
  border-radius: 50%;
  color: var(--cyan);
  font-size: 12.5px;
  letter-spacing: 0.04em;
}

.page-faq .faq-step-body {
  min-width: 0;
}

.page-faq .faq-step-body h4 {
  margin: 4px 0 6px;
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--text);
}

.page-faq .faq-step-body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--text-dim);
}

.page-faq .faq-expected {
  display: block;
  margin-top: 10px;
  padding-left: 11px;
  border-left: 2px solid var(--cyan);
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-faq .faq-expected b {
  color: var(--cyan);
  font-weight: 600;
}

/* ---------- 账号异常折叠面板 ---------- */
.page-faq .faq-checks {
  margin-top: clamp(20px, 3vw, 32px);
  border: 2px solid var(--line);
  background: var(--ink-900);
  scroll-margin-top: var(--faq-anchor-offset);
}

.page-faq .faq-check {
  border-bottom: 2px solid var(--line);
}

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

.page-faq .faq-check[open] {
  box-shadow: inset 5px 0 0 var(--cyan);
  background: var(--ink-800);
}

.page-faq .faq-check summary {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 16px clamp(16px, 2.6vw, 26px);
  cursor: pointer;
  list-style: none;
  font-size: clamp(15px, 1.7vw, 16.5px);
  font-weight: 700;
  line-height: 1.5;
  color: var(--text);
  transition: background 0.18s ease;
}

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

.page-faq .faq-check summary::after {
  content: "+";
  margin-left: auto;
  flex: none;
  font-family: var(--font-mono);
  font-size: 19px;
  line-height: 1;
  color: var(--cyan);
}

.page-faq .faq-check[open] summary::after {
  content: "–";
  color: var(--violet);
}

.page-faq .faq-check summary:hover {
  background: var(--ink-800);
}

.page-faq .faq-check-code {
  flex: none;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--violet);
}

.page-faq .faq-check-body {
  padding: 0 clamp(16px, 2.6vw, 26px) 22px;
  color: var(--text-dim);
  font-size: 15px;
  line-height: 1.78;
}

.page-faq .faq-check-body p {
  margin: 0 0 10px;
}

.page-faq .faq-check-body ol {
  margin: 0;
  padding-left: 20px;
}

.page-faq .faq-check-body li {
  margin-bottom: 7px;
}

.page-faq .faq-check-body li:last-child {
  margin-bottom: 0;
}

/* ---------- 文档分组 ---------- */
.page-faq .faq-docs {
  margin-top: clamp(22px, 3.2vw, 34px);
  display: grid;
  gap: clamp(16px, 2.4vw, 22px);
}

@media (min-width: 720px) {
  .page-faq .faq-docs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-faq .faq-doc-item {
  min-width: 0;
  padding: clamp(18px, 2.4vw, 24px);
  border: 2px solid var(--line);
  border-top-width: 5px;
  background: var(--ink-800);
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.page-faq .faq-doc-item:hover {
  border-color: var(--cyan);
  transform: translateY(-3px);
}

.page-faq .faq-doc-item--a {
  border-top-color: var(--cyan);
}

.page-faq .faq-doc-item--b {
  border-top-color: var(--violet);
}

.page-faq .faq-doc-item--c {
  border-top-color: var(--orange);
}

.page-faq .faq-doc-item--d {
  border-top-color: var(--lemon);
}

.page-faq .faq-doc-index {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--text-dim);
}

.page-faq .faq-doc-item h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(18px, 2.1vw, 21px);
  letter-spacing: 0.02em;
  color: var(--text);
}

.page-faq .faq-doc-item > p {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-faq .faq-doc-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
}

.page-faq .faq-aside-note {
  margin-top: 20px;
  padding: clamp(16px, 2.2vw, 22px);
}

.page-faq .faq-aside-note p {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-faq .faq-aside-note p:last-child {
  margin-bottom: 0;
}

.page-faq .faq-aside-note a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-aside-note a:hover {
  color: var(--lemon);
}

/* ---------- 反馈收束 ---------- */
.page-faq .faq-support-card {
  display: grid;
  gap: clamp(22px, 3vw, 38px);
  padding: clamp(22px, 3.4vw, 42px);
  border: 2px solid var(--orange);
  background:
    linear-gradient(140deg, rgba(255, 138, 61, 0.12), transparent 52%),
    var(--ink-800);
  box-shadow: 10px 10px 0 rgba(255, 138, 61, 0.16);
}

@media (min-width: 900px) {
  .page-faq .faq-support-card {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
  }
}

.page-faq .faq-support-text h2 {
  margin: 10px 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: 0.02em;
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1.3;
  color: var(--text);
}

.page-faq .faq-support-text > p {
  max-width: 62ch;
  margin: 0 0 14px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-faq .faq-support-list {
  margin: 0 0 16px;
  padding-left: 20px;
  color: var(--text-dim);
  font-size: 15px;
  line-height: 1.78;
}

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

.page-faq .faq-support-list li::marker {
  color: var(--orange);
  font-family: var(--font-mono);
}

.page-faq .faq-support-side {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
  padding: clamp(16px, 2.2vw, 22px);
  border: 2px solid var(--line);
  background: var(--ink-900);
}

.page-faq .faq-support-side .btn,
.page-faq .faq-support-side .copy-btn {
  justify-content: center;
  text-align: center;
  width: 100%;
}

.page-faq .faq-support-meta {
  margin: 4px 0 0;
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0.06em;
  color: var(--text-dim);
}

/* ---------- 窄屏收口 ---------- */
@media (max-width: 599px) {
  .page-faq .faq-step {
    gap: 10px;
  }

  .page-faq .faq-step-num {
    width: 28px;
    height: 28px;
    font-size: 11.5px;
  }

  .page-faq .faq-visual--wide {
    margin-left: calc(var(--gutter) * -1);
    margin-right: calc(var(--gutter) * -1);
  }

  .page-faq .faq-visual--wide img {
    border-left: 0;
    border-right: 0;
  }
}
<<<END>>>