.page-faq {
  background: var(--ink);
  color: var(--snow);
  overflow-x: hidden;
}

.page-faq [id] {
  scroll-margin-top: 104px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(44px, 8vw, 96px) 0 clamp(34px, 5vw, 60px);
  background:
    linear-gradient(135deg, rgba(200, 50, 60, 0.16) 0%, rgba(200, 50, 60, 0) 44%),
    linear-gradient(200deg, rgba(107, 91, 168, 0.18) 0%, rgba(10, 26, 43, 0) 52%),
    linear-gradient(180deg, var(--ink-deep) 0%, var(--ink) 100%);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -6%;
  top: 12%;
  width: 44%;
  height: 1px;
  background: linear-gradient(90deg, rgba(255, 122, 26, 0.6), rgba(255, 122, 26, 0));
  transform: rotate(-9deg);
  pointer-events: none;
}

.page-faq .faq-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 5vw, 48px);
  align-items: center;
}

.page-faq .faq-hero h1 {
  margin: 12px 0 0;
  font-size: clamp(1.9rem, 5vw, 3.3rem);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--snow);
}

.page-faq .faq-hero .lead {
  margin-top: 18px;
  max-width: 40ch;
  color: var(--mist);
  font-size: 1rem;
  line-height: 1.85;
}

.page-faq .faq-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-faq .faq-hero-media {
  margin: 0;
}

/* ---------- 页内跳转 ---------- */
.page-faq .faq-jump {
  position: relative;
  z-index: 2;
  background: var(--panel-soft);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-jump-inner {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding-top: 14px;
  padding-bottom: 14px;
}

.page-faq .faq-jump-inner a {
  flex: 0 0 auto;
  padding: 9px 15px;
  background: var(--ink);
  border: 1px solid var(--line);
  color: var(--mist);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.07em;
  text-decoration: none;
  clip-path: polygon(9px 0, 100% 0, 100% calc(100% - 9px), calc(100% - 9px) 100%, 0 100%, 0 9px);
  transition: color var(--dur) ease, background var(--dur) ease, border-color var(--dur) ease;
}

.page-faq .faq-jump-inner a:hover,
.page-faq .faq-jump-inner a:focus-visible {
  color: var(--ink);
  background: var(--orange);
  border-color: var(--orange);
}

/* ---------- 章节通用 ---------- */
.page-faq .faq-section {
  padding: clamp(46px, 7vw, 88px) 0;
}

.page-faq .faq-section + .faq-section {
  border-top: 1px solid var(--line);
}

.page-faq .faq-section .section-head .lead {
  max-width: 46ch;
  color: var(--mist);
}

/* ---------- 三步流程 ---------- */
.page-faq .faq-steps {
  list-style: none;
  margin: clamp(28px, 4vw, 46px) 0 0;
  padding: 0;
  max-width: 900px;
}

.page-faq .faq-step {
  position: relative;
  display: grid;
  grid-template-columns: 50px 1fr;
  gap: 16px;
  padding-bottom: 30px;
}

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

.page-faq .faq-step::before {
  content: "";
  position: absolute;
  left: 24px;
  top: 54px;
  bottom: 4px;
  width: 2px;
  background: linear-gradient(180deg, var(--line) 0%, rgba(255, 122, 26, 0.55) 100%);
  transform: skewX(-8deg);
}

.page-faq .faq-step:last-child::before {
  display: none;
}

.page-faq .faq-step-node {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid var(--orange);
  color: var(--orange);
  font-family: var(--mono);
  font-size: 18px;
  font-weight: 700;
}

.page-faq .faq-step-body {
  padding: clamp(18px, 2.6vw, 26px);
  background: var(--panel);
}

.page-faq .faq-step-body h3 {
  margin: 0 0 10px;
  font-size: 1.18rem;
  font-weight: 800;
  color: var(--snow);
}

.page-faq .faq-step-body p {
  margin: 0;
  color: var(--mist);
  font-size: 0.96rem;
  line-height: 1.85;
}

.page-faq .faq-step-tip {
  margin-top: 14px !important;
  padding-left: 12px;
  border-left: 2px solid var(--green-deep);
  font-size: 0.9rem !important;
  color: var(--mist);
}

.page-faq .faq-step-tip .mono {
  color: var(--green);
  font-size: 11px;
  letter-spacing: 0.08em;
  margin-right: 6px;
}

/* ---------- 规则速查表 ---------- */
.page-faq .faq-table-wrap {
  margin-top: clamp(26px, 4vw, 42px);
  background: var(--panel-soft);
  border: 1px solid var(--line);
  border-left: 3px solid var(--orange);
  overflow-x: auto;
}

.page-faq .faq-table {
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
  font-size: 0.94rem;
}

.page-faq .faq-table caption {
  padding: 15px 20px;
  text-align: left;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-table thead th {
  padding: 13px 20px;
  text-align: left;
  background: rgba(70, 211, 154, 0.08);
  border-bottom: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--green);
  white-space: nowrap;
}

.page-faq .faq-table tbody th,
.page-faq .faq-table tbody td {
  padding: 14px 20px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-table tbody th {
  width: 16%;
  white-space: nowrap;
  color: var(--snow);
  font-weight: 700;
}

.page-faq .faq-table tbody td {
  color: var(--mist);
  line-height: 1.7;
}

.page-faq .faq-table tbody td:last-child {
  width: 42%;
}

.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 tbody tr:hover {
  background: rgba(23, 57, 90, 0.32);
}

.page-faq .faq-table tbody tr.is-key {
  background: rgba(70, 211, 154, 0.09);
}

.page-faq .faq-table .mono {
  color: var(--gold);
  font-size: 12px;
  letter-spacing: 0.06em;
}

/* ---------- 常见问题折叠 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: 10px;
  margin-top: clamp(26px, 4vw, 42px);
}

.page-faq .faq-item {
  position: relative;
  background: var(--panel-soft);
  clip-path: polygon(14px 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%, 0 14px);
  transition: background var(--dur) ease;
}

.page-faq .faq-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--line);
  transition: background var(--dur) ease;
}

.page-faq .faq-item:hover {
  background: var(--panel);
}

.page-faq .faq-item[open] {
  background: var(--panel);
}

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

.page-faq .faq-item summary {
  position: relative;
  padding: 16px 44px 16px 20px;
  list-style: none;
  cursor: pointer;
  color: var(--snow);
  font-size: 0.98rem;
  font-weight: 700;
  line-height: 1.55;
}

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

.page-faq .faq-item summary::after {
  content: "+";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--mono);
  font-size: 19px;
  line-height: 1;
  color: var(--orange);
  transition: color var(--dur) ease;
}

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

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

.page-faq .faq-item p {
  margin: 0;
  padding: 0 20px 18px 20px;
  color: var(--mist);
  font-size: 0.94rem;
  line-height: 1.8;
}

/* ---------- 异常排查 ---------- */
.page-faq .faq-diagnose-media {
  margin: clamp(26px, 4vw, 42px) 0 0;
}

.page-faq .faq-diag-wrap {
  margin-top: clamp(22px, 3vw, 32px);
  background: var(--panel-soft);
  border: 1px solid var(--line);
  overflow-x: auto;
}

.page-faq .faq-diag {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  font-size: 0.94rem;
}

.page-faq .faq-diag thead th {
  padding: 13px 20px;
  text-align: left;
  background: rgba(122, 34, 48, 0.55);
  border-bottom: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--snow);
  white-space: nowrap;
}

.page-faq .faq-diag tbody th,
.page-faq .faq-diag tbody td {
  padding: 14px 20px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
  line-height: 1.7;
}

.page-faq .faq-diag tbody th {
  width: 25%;
  color: var(--snow);
  font-weight: 700;
}

.page-faq .faq-diag tbody td {
  width: 37.5%;
  color: var(--mist);
}

.page-faq .faq-diag tbody td:last-child {
  color: var(--gold);
}

.page-faq .faq-diag tbody tr:last-child th,
.page-faq .faq-diag tbody tr:last-child td {
  border-bottom: 0;
}

.page-faq .faq-diag tbody tr:hover {
  background: rgba(23, 57, 90, 0.32);
}

/* ---------- 联系支持 ---------- */
.page-faq .faq-support-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: clamp(26px, 4vw, 42px);
}

.page-faq .faq-support-list,
.page-faq .faq-support-contact {
  padding: clamp(20px, 3vw, 30px);
  background: var(--panel);
}

.page-faq .faq-support-grid h3 {
  margin: 0 0 6px;
  font-size: 1.06rem;
  font-weight: 800;
  color: var(--snow);
}

.page-faq .faq-support-contact p {
  margin: 12px 0 0;
  color: var(--mist);
  font-size: 0.93rem;
  line-height: 1.8;
}

.page-faq .faq-support-list ul {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 11px;
}

.page-faq .faq-support-list li {
  position: relative;
  padding-left: 20px;
  color: var(--mist);
  font-size: 0.94rem;
  line-height: 1.7;
}

.page-faq .faq-support-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 9px;
  height: 2px;
  background: var(--orange);
}

.page-faq .faq-contact-list {
  list-style: none;
  margin: 18px 0 22px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-contact-list li {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: baseline;
  color: var(--snow);
  font-size: 0.94rem;
}

.page-faq .faq-contact-list .mono {
  min-width: 40px;
  color: var(--green);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.page-faq .faq-support-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.page-faq .faq-support-links a {
  color: var(--green);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-decoration: none;
  border-bottom: 1px solid rgba(70, 211, 154, 0.4);
  padding-bottom: 2px;
  transition: color var(--dur) ease, border-color var(--dur) ease;
}

.page-faq .faq-support-links a:hover,
.page-faq .faq-support-links a:focus-visible {
  color: var(--gold);
  border-color: var(--gold);
}

.page-faq img {
  max-width: 100%;
  height: auto;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-list {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: 7fr 5fr;
  }

  .page-faq .faq-support-grid {
    grid-template-columns: 7fr 5fr;
  }
}

@media (min-width: 1160px) {
  .page-faq .faq-step {
    grid-template-columns: 56px 1fr;
    gap: 22px;
  }

  .page-faq .faq-step-node {
    width: 56px;
    height: 56px;
  }

  .page-faq .faq-step::before {
    left: 27px;
    top: 60px;
  }
}

@media (max-width: 719px) {
  .page-faq .faq-diag {
    min-width: 0;
    display: block;
  }

  .page-faq .faq-diag thead {
    display: none;
  }

  .page-faq .faq-diag tbody,
  .page-faq .faq-diag tr,
  .page-faq .faq-diag th,
  .page-faq .faq-diag td {
    display: block;
    width: auto;
  }

  .page-faq .faq-diag tbody tr {
    padding: 15px 20px;
    border-bottom: 1px solid var(--line);
  }

  .page-faq .faq-diag tbody tr:last-child {
    border-bottom: 0;
  }

  .page-faq .faq-diag tbody th,
  .page-faq .faq-diag tbody td {
    padding: 0;
    border-bottom: 0;
  }

  .page-faq .faq-diag tbody td {
    margin-top: 10px;
  }

  .page-faq .faq-diag tbody th::before,
  .page-faq .faq-diag tbody td::before {
    content: attr(data-label);
    display: block;
    margin-bottom: 3px;
    color: var(--green);
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.08em;
  }

  .page-faq .faq-step {
    grid-template-columns: 42px 1fr;
    gap: 14px;
  }

  .page-faq .faq-step-node {
    width: 42px;
    height: 42px;
    font-size: 16px;
  }

  .page-faq .faq-step::before {
    left: 20px;
    top: 46px;
  }

  .page-faq .faq-jump-inner a {
    font-size: 11px;
    padding: 8px 12px;
  }
}