.page-faq {
  --faq-line: rgba(138, 148, 184, 0.3);
  --faq-cyan-glow: rgba(53, 242, 208, 0.18);
  --faq-orange-glow: rgba(255, 122, 47, 0.18);
  background: var(--night);
  color: var(--mist);
}

/* ---------- 面包屑 ---------- */
.page-faq .crumbs {
  margin: 0;
  padding: 0;
  font-family: var(--font-label);
  font-size: 13px;
  letter-spacing: 0.08em;
}
.page-faq .crumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-faq .crumbs li {
  display: flex;
  align-items: center;
  gap: 6px;
}
.page-faq .crumbs li + li::before {
  content: "/";
  color: var(--grey);
}
.page-faq .crumbs a {
  color: var(--grey);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}
.page-faq .crumbs a:hover,
.page-faq .crumbs a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}
.page-faq .crumbs [aria-current="page"] {
  color: var(--white);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: 108px 0 0;
  background:
    radial-gradient(680px 320px at 92% -12%, rgba(53, 242, 208, 0.14), transparent 70%),
    radial-gradient(540px 300px at 2% -6%, rgba(255, 122, 47, 0.12), transparent 72%);
}

.page-faq .faq-hero-grid {
  display: grid;
  gap: 36px;
  margin-top: 30px;
  align-items: center;
}

.page-faq .faq-hero-copy h1 {
  margin: 14px 0 0;
  max-width: 15em;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(30px, 6.2vw, 54px);
  line-height: 1.12;
  letter-spacing: 0.01em;
  color: var(--white);
}

.page-faq .faq-hero-copy .lede {
  margin-top: 18px;
  max-width: 36em;
  color: var(--mist);
  font-size: 16px;
  line-height: 1.75;
}

.page-faq .faq-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

/* ---------- 框景图片 ---------- */
.page-faq .faq-frame {
  position: relative;
  margin: 0;
  padding: 10px;
  border: 2px solid var(--ink);
  background: var(--surface);
}
.page-faq .faq-frame::before {
  content: "";
  position: absolute;
  top: -2px;
  left: -2px;
  width: 72px;
  height: 8px;
  background: var(--orange);
}
.page-faq .faq-frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--faq-line);
  background: linear-gradient(135deg, var(--surface), var(--night));
}
.page-faq .faq-hero-figure {
  box-shadow: 10px 10px 0 var(--faq-orange-glow);
}
.page-faq .faq-app-figure {
  box-shadow: 10px 10px 0 var(--faq-cyan-glow);
}
.page-faq .faq-app-figure::before {
  background: var(--cyan);
}
.page-faq .faq-frame .figure-cap {
  margin: 10px 2px 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--grey);
}

/* ---------- 通用区块标题 ---------- */
.page-faq .faq-head {
  border-top: 2px solid var(--faq-line);
  padding-top: 20px;
  margin-bottom: 26px;
}
.page-faq .faq-h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(24px, 3.6vw, 32px);
  line-height: 1.22;
  color: var(--white);
}
.page-faq .faq-sub {
  margin: 12px 0 0;
  max-width: 44em;
  color: var(--grey);
  font-size: 15px;
  line-height: 1.75;
}

/* ---------- 现象索引 ---------- */
.page-faq .faq-map {
  padding-top: 72px;
}
.page-faq .faq-wall {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-faq .faq-wall-item {
  min-width: 0;
}
.page-faq .faq-wall-item--wide {
  grid-column: span 2;
}
.page-faq .faq-tag {
  display: flex;
  align-items: center;
  gap: 10px;
  height: 100%;
  min-height: 58px;
  padding: 14px 16px;
  border: 2px solid var(--ink);
  border-left: 5px solid var(--faq-line);
  background: var(--surface);
  color: var(--mist);
  font-family: var(--font-label);
  font-size: 15px;
  letter-spacing: 0.03em;
  text-decoration: none;
  box-shadow: 4px 4px 0 var(--ink);
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease), background 0.2s var(--ease), border-color 0.2s var(--ease);
}
.page-faq .faq-tag:hover,
.page-faq .faq-tag:focus-visible {
  background: #1b2554;
  border-left-color: var(--cyan);
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--ink);
}
.page-faq .faq-tag--alert {
  border-left-color: var(--alert);
}

/* ---------- 主体布局 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: 56px;
  margin-top: 76px;
}
.page-faq .faq-main {
  min-width: 0;
}
.page-faq .faq-section {
  margin-bottom: 72px;
}
.page-faq .faq-section:last-child {
  margin-bottom: 8px;
}
.page-faq .faq-section--access .faq-head {
  border-top-color: var(--orange);
}
.page-faq .faq-section--clips .faq-head {
  border-top-color: var(--cyan);
}
.page-faq .faq-section--app .faq-head {
  border-top-color: var(--violet);
}
.page-faq .faq-section--account .faq-head {
  border-top-color: var(--cyan);
}
.page-faq .faq-section--feedback .faq-head {
  border-top-color: var(--orange);
}

/* ---------- 排查路径 ---------- */
.page-faq .faq-path {
  position: relative;
  margin: 0;
  padding: 0 0 0 28px;
  list-style: none;
}
.page-faq .faq-path::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 12px;
  bottom: 12px;
  width: 2px;
  background: linear-gradient(180deg, var(--orange), rgba(255, 122, 47, 0.1));
}
.page-faq .faq-step {
  position: relative;
  padding: 0 0 26px;
}
.page-faq .faq-step:last-child {
  padding-bottom: 0;
}
.page-faq .faq-step-dot {
  position: absolute;
  left: -28px;
  top: 7px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 0 4px var(--faq-orange-glow);
}
.page-faq .faq-step-title {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--white);
}
.page-faq .faq-step-idx {
  display: inline-block;
  min-width: 2.4em;
  margin-right: 4px;
  font-size: 13px;
  color: var(--orange);
}
.page-faq .faq-step-text {
  margin: 0;
  max-width: 46em;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}
.page-faq .faq-after {
  margin: 28px 0 0;
  padding: 16px 18px;
  border: 2px solid var(--ink);
  border-left: 5px solid var(--orange);
  background: var(--surface);
  font-size: 15px;
  line-height: 1.7;
  color: var(--mist);
}
.page-faq .faq-after a {
  color: var(--orange);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

/* ---------- 集锦情形卡 ---------- */
.page-faq .faq-cases {
  display: grid;
  gap: 16px;
}
.page-faq .faq-case {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 20px 22px;
  border: 2px solid var(--ink);
  border-left: 6px solid var(--cyan);
  background: var(--surface);
  box-shadow: 4px 4px 0 var(--ink);
}
.page-faq .faq-case-eyebrow {
  margin: 0;
  color: var(--grey);
}
.page-faq .faq-case-title {
  margin: 0;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.45;
  color: var(--white);
}
.page-faq .faq-case p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--mist);
}
.page-faq .faq-case-act {
  margin-top: auto !important;
  padding-top: 10px;
  border-top: 1px dashed var(--faq-line);
  color: var(--cyan) !important;
  font-size: 14px !important;
}
.page-faq .faq-note {
  margin: 22px 0 0;
  padding-left: 14px;
  border-left: 3px solid var(--violet);
  font-size: 14px;
  line-height: 1.72;
  color: var(--grey);
}
.page-faq .faq-note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

/* ---------- 客户端版本 ---------- */
.page-faq .faq-app-grid {
  display: grid;
  gap: 32px;
}
.page-faq .faq-app-copy {
  min-width: 0;
}
.page-faq .faq-app-copy p {
  margin: 22px 0 0;
  max-width: 46em;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}
.page-faq .faq-app-copy p.faq-note {
  color: var(--grey);
}
.page-faq .faq-table-wrap {
  overflow-x: auto;
  border: 2px solid var(--ink);
  background: var(--surface);
  box-shadow: 4px 4px 0 var(--ink);
}
.page-faq .faq-table {
  width: 100%;
  min-width: 420px;
  border-collapse: collapse;
  font-size: 15px;
}
.page-faq .faq-table-cap {
  padding: 14px 16px 0;
  text-align: left;
  font-family: var(--font-label);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--grey);
}
.page-faq .faq-table th,
.page-faq .faq-table td {
  padding: 13px 16px;
  text-align: left;
  border-bottom: 1px solid var(--faq-line);
}
.page-faq .faq-table thead th {
  font-family: var(--font-label);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--grey);
}
.page-faq .faq-table tbody th {
  font-weight: 600;
  color: var(--white);
  white-space: nowrap;
}
.page-faq .faq-table tbody tr:last-child th,
.page-faq .faq-table tbody tr:last-child td {
  border-bottom: 0;
}
.page-faq .faq-table .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--cyan);
}

/* ---------- 账号与记录时间线 ---------- */
.page-faq .faq-timeline {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-faq .faq-tl-item {
  position: relative;
  padding: 0 0 26px 30px;
}
.page-faq .faq-tl-item::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 8px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px var(--faq-cyan-glow);
}
.page-faq .faq-tl-item::after {
  content: "";
  position: absolute;
  left: 9px;
  top: 24px;
  bottom: -2px;
  width: 2px;
  background: var(--faq-line);
}
.page-faq .faq-tl-item:last-child {
  padding-bottom: 0;
}
.page-faq .faq-tl-item:last-child::after {
  display: none;
}
.page-faq .faq-tl-title {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--white);
}
.page-faq .faq-tl-item p {
  margin: 0;
  max-width: 46em;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 反馈 ---------- */
.page-faq .faq-report {
  display: grid;
  gap: 24px;
}
.page-faq .faq-report-col {
  padding: 22px;
  border: 2px solid var(--ink);
  background: var(--surface);
  box-shadow: 5px 5px 0 var(--ink);
}
.page-faq .faq-report-col--contact {
  border-left: 6px solid var(--orange);
}
.page-faq .faq-report-title {
  margin: 0 0 14px;
  font-size: 17px;
  font-weight: 600;
  color: var(--white);
}
.page-faq .faq-report-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}
.page-faq .faq-report-list li {
  display: flex;
  gap: 10px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--mist);
}
.page-faq .faq-report-idx {
  flex: none;
  font-size: 13px;
  color: var(--orange);
  padding-top: 2px;
}
.page-faq .faq-report-line {
  margin: 0 0 8px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--grey);
}
.page-faq .faq-report-val {
  display: block;
  margin-top: 2px;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--white);
  word-break: break-all;
}
.page-faq .faq-report-note {
  margin: 14px 0 20px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--grey);
}

/* ---------- 右侧反馈栏 ---------- */
.page-faq .faq-rail {
  display: grid;
  gap: 20px;
  align-content: start;
}
.page-faq .faq-rail-card {
  position: relative;
  padding: 22px 20px;
  border: 2px solid var(--ink);
  border-top: 6px solid var(--cyan);
  background: var(--surface);
  box-shadow: 5px 5px 0 var(--ink);
}
.page-faq .faq-rail-card--cta {
  border-top-color: var(--orange);
  background: linear-gradient(160deg, #1b2554, var(--surface) 68%);
}
.page-faq .faq-rail-card--soft {
  border-top-color: var(--violet);
}
.page-faq .faq-rail-title {
  margin: 10px 0 12px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  line-height: 1.35;
  color: var(--white);
}
.page-faq .faq-rail-card p {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--grey);
}
.page-faq .faq-rail-status {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}
.page-faq .faq-rail-status li {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--faq-line);
  font-size: 14px;
}
.page-faq .faq-rail-status li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}
.page-faq .faq-rail-status .dot {
  flex: none;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
}
.page-faq .faq-rail-name {
  color: var(--white);
}
.page-faq .faq-rail-val {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--grey);
  white-space: nowrap;
}
.page-faq .faq-rail-card .btn {
  display: block;
  width: 100%;
  text-align: center;
}
.page-faq .faq-rail-link {
  display: inline-block;
  margin-top: 14px;
  font-size: 14px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}
.page-faq .faq-rail-link:hover,
.page-faq .faq-rail-link:focus-visible {
  color: var(--white);
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-faq .faq-wall {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-faq .faq-wall-item--wide {
    grid-column: span 2;
  }
  .page-faq .faq-report {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-faq .faq-wall {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-faq .faq-cases {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 48px;
  }
  .page-faq .faq-app-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }
}

@media (min-width: 1040px) {
  .page-faq .faq-layout {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 60px;
    align-items: start;
  }
  .page-faq .faq-rail {
    position: sticky;
    top: 104px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-tag {
    transition: none;
  }
  .page-faq .faq-tag:hover,
  .page-faq .faq-tag:focus-visible {
    transform: none;
  }
}