.page-faq {
  --faq-gap: clamp(20px, 3vw, 36px);
  --faq-panel: linear-gradient(160deg, rgba(20, 32, 74, 0.72), rgba(11, 21, 51, 0.86));
  --faq-panel-strong: linear-gradient(160deg, rgba(20, 32, 74, 0.94), rgba(11, 21, 51, 0.96));
  --faq-paper-ink: #1b2340;
  --faq-paper-soft: #6c6558;
  --faq-step-title: clamp(17px, 2.2vw, 20px);
  display: block;
  padding-bottom: clamp(48px, 8vw, 96px);
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  padding: clamp(24px, 4vw, 48px) 0 clamp(32px, 5vw, 56px);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero__text {
  border-left: 2px solid rgba(57, 230, 208, 0.45);
  padding-left: clamp(16px, 3vw, 28px);
}

.page-faq .faq-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: var(--fs-h1);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--text-1);
}

.page-faq .faq-hero__lede {
  margin: 18px 0 0;
  max-width: 62ch;
  font-size: var(--fs-body);
  line-height: 1.85;
  color: var(--text-2);
}

.page-faq .faq-hero__status {
  padding: 22px 22px 18px;
  border-radius: var(--radius-md);
}

.page-faq .faq-hero__status-label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-faq .faq-hero__status-list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
  font-size: var(--fs-small);
  line-height: 1.6;
  color: var(--text-1);
}

.page-faq .faq-hero__status-list li {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.page-faq .faq-hero__code {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  font-size: var(--fs-mono);
  color: var(--text-2);
  word-break: break-all;
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1fr) 300px;
    align-items: end;
  }
}

/* ---------- 状态点 ---------- */

.page-faq .status-dot {
  display: inline-block;
  flex: none;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--fog);
  transform: translateY(-1px);
}

.page-faq .status-dot--cyan {
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(57, 230, 208, 0.16);
}

.page-faq .status-dot--gold {
  background: var(--gold);
  box-shadow: 0 0 0 3px rgba(232, 180, 74, 0.16);
}

.page-faq .status-dot--coral {
  background: var(--coral);
  box-shadow: 0 0 0 3px rgba(255, 107, 94, 0.16);
}

/* ---------- 章节节奏 ---------- */

.page-faq section + section {
  margin-top: clamp(48px, 7vw, 88px);
}

.page-faq .panel-head {
  max-width: 68ch;
}

.page-faq .panel-head > p:last-child {
  margin: 14px 0 0;
  font-size: var(--fs-body);
  line-height: 1.85;
  color: var(--text-2);
}

/* ---------- 快速排查路线 ---------- */

.page-faq .faq-route__body {
  display: grid;
  gap: var(--faq-gap);
  margin-top: clamp(24px, 3vw, 32px);
}

.page-faq .faq-route__rail {
  list-style: none;
  margin: 0;
  padding: 0 0 0 24px;
  position: relative;
  display: grid;
  gap: 14px;
}

.page-faq .faq-route__rail::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 14px;
  bottom: 14px;
  width: 2px;
  background: var(--rail-line);
}

.page-faq .route-node {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(20, 32, 74, 0.5);
  text-decoration: none;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.page-faq .route-node::before {
  content: "";
  position: absolute;
  left: -23px;
  top: 24px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--indigo);
  border: 2px solid var(--rail-line);
  transition: border-color 0.2s ease, background 0.2s ease;
}

.page-faq .route-node:hover,
.page-faq .route-node:focus-visible {
  border-color: var(--line-strong);
  background: rgba(20, 32, 74, 0.86);
}

.page-faq .route-node:hover::before,
.page-faq .route-node:focus-visible::before {
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-faq .route-node__num {
  font-size: var(--fs-mono);
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-faq .route-node__name {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-1);
}

.page-faq .route-node .status-tag {
  margin-left: auto;
}

.page-faq .route-node__hint {
  flex-basis: 100%;
  font-size: var(--fs-small);
  line-height: 1.75;
  color: var(--text-2);
}

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

.page-faq .faq-route__figure img,
.page-faq .faq-login__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  object-fit: cover;
}

.page-faq .media-frame__caption {
  margin-top: 10px;
  font-size: var(--fs-small);
  line-height: 1.75;
  color: var(--text-2);
}

@media (min-width: 900px) {
  .page-faq .faq-route__body {
    grid-template-columns: 340px minmax(0, 1fr);
    align-items: start;
  }
}

/* ---------- 客户端排查步骤 ---------- */

.page-faq .faq-login__body {
  display: grid;
  gap: var(--faq-gap);
  margin-top: clamp(24px, 3vw, 32px);
}

.page-faq .faq-steps {
  display: grid;
  gap: 14px;
}

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

.page-faq .step-card:hover {
  border-color: var(--line-strong);
}

.page-faq .step-card[open] {
  border-color: rgba(232, 180, 74, 0.38);
  background: var(--faq-panel-strong);
}

.page-faq .step-card__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .step-card__head::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--text-2);
  transition: color 0.2s ease;
}

.page-faq .step-card[open] .step-card__head::after {
  content: "−";
  color: var(--gold);
}

.page-faq .step-card__num {
  font-size: var(--fs-mono);
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-faq .step-card__title {
  flex: 1 1 auto;
  font-family: var(--font-display);
  font-size: var(--faq-step-title);
  font-weight: 600;
  color: var(--text-1);
}

.page-faq .step-card__body {
  padding: 16px 18px 18px;
  border-top: 1px solid var(--line);
  font-size: var(--fs-small);
  line-height: 1.85;
  color: var(--text-2);
}

.page-faq .step-card__body > p {
  margin: 0;
}

.page-faq .step-card__list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-faq .step-card__list li {
  position: relative;
  padding-left: 18px;
}

.page-faq .step-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  opacity: 0.7;
}

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

@media (min-width: 1000px) {
  .page-faq .faq-login__body {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: start;
  }
}

/* ---------- 入口切换 ---------- */

.page-faq .switch-grid {
  display: grid;
  gap: 14px;
  margin-top: clamp(24px, 3vw, 32px);
}

.page-faq .switch-card {
  padding: 20px 20px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(20, 32, 74, 0.48);
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.page-faq .switch-card:hover {
  border-color: var(--line-strong);
  background: rgba(20, 32, 74, 0.8);
  transform: translateY(-2px);
}

.page-faq .switch-card__num {
  display: block;
  font-size: var(--fs-mono);
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-faq .switch-card__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  color: var(--text-1);
}

.page-faq .switch-card__text {
  margin: 8px 0 0;
  font-size: var(--fs-small);
  line-height: 1.8;
  color: var(--text-2);
}

.page-faq .faq-switch__note {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin: 18px 0 0;
  padding: 14px 18px;
  border: 1px dashed rgba(255, 107, 94, 0.36);
  border-radius: var(--radius-sm);
  font-size: var(--fs-small);
  line-height: 1.75;
  color: var(--text-2);
}

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

/* ---------- 版本差异对照 ---------- */

.page-faq .faq-table-wrap {
  margin-top: clamp(24px, 3vw, 32px);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(20, 32, 74, 0.42);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-table-wrap:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-faq .faq-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: var(--fs-small);
}

.page-faq .faq-table caption {
  text-align: left;
  padding: 16px 18px 2px;
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.06em;
  color: var(--text-2);
}

.page-faq .faq-table th,
.page-faq .faq-table td {
  padding: 14px 18px;
  text-align: left;
  vertical-align: middle;
  border-bottom: 1px solid var(--line);
  color: var(--text-1);
}

.page-faq .faq-table thead th {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--text-2);
}

.page-faq .faq-table tbody tr:last-child td {
  border-bottom: none;
}

.page-faq .faq-table tbody tr:hover td {
  background: rgba(57, 230, 208, 0.06);
}

.page-faq .faq-table td.mono {
  color: var(--gold);
}

/* ---------- 帮助文档索引 ---------- */

.page-faq .docs-grid {
  display: grid;
  gap: 14px;
  margin-top: clamp(24px, 3vw, 32px);
}

.page-faq .doc-card {
  display: block;
  padding: 20px 18px 20px;
  border: 1px solid rgba(8, 12, 24, 0.14);
  border-radius: var(--radius-md);
  background: var(--paper);
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.page-faq .doc-card:hover,
.page-faq .doc-card:focus-visible {
  transform: translateY(-3px);
  box-shadow: 0 14px 30px rgba(8, 12, 24, 0.5);
}

.page-faq .doc-card__index {
  display: block;
  font-size: var(--fs-mono);
  letter-spacing: 0.12em;
  color: #8a7a4e;
}

.page-faq .doc-card__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 600;
  color: var(--faq-paper-ink);
}

.page-faq .doc-card__text {
  margin: 8px 0 0;
  font-size: var(--fs-small);
  line-height: 1.8;
  color: var(--faq-paper-soft);
}

@media (min-width: 640px) {
  .page-faq .docs-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1040px) {
  .page-faq .docs-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 人工协助 ---------- */

.page-faq .faq-help__panel {
  display: grid;
  gap: 22px;
  padding: clamp(24px, 4vw, 40px);
  border-radius: var(--radius-lg);
}

.page-faq .faq-help__text {
  margin: 14px 0 0;
  max-width: 58ch;
  font-size: var(--fs-body);
  line-height: 1.85;
  color: var(--text-2);
}

.page-faq .faq-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}