.page-faq {
  --faq-pad: clamp(18px, 3vw, 30px);
  --faq-num-w: 64px;
  --faq-gap: clamp(20px, 3vw, 32px);
  background: var(--mist);
  color: var(--ink);
  font-family: var(--font-body);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(18px, 3vw, 30px) 0 clamp(40px, 6vw, 78px);
  background: linear-gradient(158deg, var(--aqua) 0%, var(--mist) 54%, var(--mist) 100%);
}

.page-faq .faq-hero-cut {
  position: absolute;
  z-index: -1;
  top: -32%;
  right: -16%;
  width: min(720px, 64%);
  height: 168%;
  background: var(--mint);
  opacity: 0.32;
  transform: rotate(-9deg);
  clip-path: polygon(32% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-faq .faq-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
  margin-top: clamp(18px, 3vw, 30px);
}

.page-faq .faq-hero-copy {
  min-width: 0;
}

.page-faq .faq-hero-copy h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(33px, 6vw, 58px);
  line-height: 1.1;
  letter-spacing: -0.025em;
  color: var(--ink);
  text-wrap: balance;
}

.page-faq .faq-hero-copy .lead {
  margin-top: clamp(14px, 2vw, 20px);
  max-width: 34em;
  color: var(--deep);
}

.page-faq .faq-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 28px);
}

.page-faq .faq-route {
  list-style: none;
  margin: clamp(22px, 3.5vw, 34px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

.page-faq .faq-route a {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 11px 14px;
  background: rgba(255, 255, 255, 0.72);
  border-left: 2px solid var(--lane);
  border-radius: 0 12px 12px 0;
  font-size: 14px;
  line-height: 1.5;
  color: var(--deep);
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .faq-route a:hover,
.page-faq .faq-route a:focus-visible {
  border-left-color: var(--coral);
  background: #fff;
}

.page-faq .faq-route .mono {
  flex: none;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--lane);
}

.page-faq .faq-hero-figure {
  margin: 0;
  min-width: 0;
  overflow: hidden;
  background: var(--clay);
  border: 1px solid rgba(111, 179, 191, 0.55);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 34px), calc(100% - 34px) 100%, 0 100%);
  box-shadow: 0 26px 48px -34px rgba(16, 42, 56, 0.55);
}

.page-faq .faq-hero-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

@media (min-width: 620px) {
  .page-faq .faq-route {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  }
}

/* ---------- 三步流程 ---------- */
.page-faq .faq-flow {
  padding: clamp(42px, 6vw, 76px) 0;
  background: var(--mist);
}

.page-faq .faq-flow-head {
  max-width: 46em;
  margin-bottom: clamp(26px, 4vw, 42px);
}

.page-faq .faq-flow-lead {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--deep);
  max-width: 38em;
}

.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--faq-gap);
}

.page-faq .faq-step {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 3vw, 34px);
  padding: var(--faq-pad);
  background: #fff;
  border: 1px solid rgba(111, 179, 191, 0.38);
  border-radius: var(--radius);
  box-shadow: 0 20px 44px -38px rgba(16, 42, 56, 0.6);
  transition: border-color var(--dur) var(--ease);
}

.page-faq .faq-step::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 28px;
  width: 3px;
  height: 32px;
  background: var(--coral);
  border-radius: 0 3px 3px 0;
}

.page-faq .faq-step:not(:last-child)::after {
  content: "";
  position: absolute;
  left: calc(var(--faq-pad) + (var(--faq-num-w) / 2) - 1px);
  top: 100%;
  height: var(--faq-gap);
  border-left: 2px dashed var(--lane);
  opacity: 0.7;
}

.page-faq .faq-step:has(.faq-check:checked) {
  border-color: rgba(47, 125, 107, 0.55);
}

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

.page-faq .faq-step-head {
  display: flex;
  align-items: flex-start;
  gap: clamp(12px, 2vw, 18px);
}

.page-faq .faq-step-num {
  flex: none;
  width: var(--faq-num-w);
  font-family: var(--font-mono);
  font-size: clamp(34px, 5.2vw, 48px);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: -0.06em;
  color: var(--lane);
  transition: color var(--dur) var(--ease);
}

.page-faq .faq-step:has(.faq-check:checked) .faq-step-num {
  color: var(--moss);
}

.page-faq .faq-step-title {
  margin: 0;
  padding-top: 4px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(19px, 2.4vw, 25px);
  line-height: 1.32;
  letter-spacing: -0.015em;
  color: var(--ink);
}

.page-faq .faq-step-time {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--rock);
}

.page-faq .faq-step-time .mono {
  color: var(--deep);
  font-weight: 700;
}

.page-faq .faq-step-desc {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink);
  max-width: 38em;
}

.page-faq .faq-subgrid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(14px, 2vw, 22px);
  margin-top: clamp(16px, 2.4vw, 24px);
}

.page-faq .faq-subgrid h4 {
  margin: 0 0 9px;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--lane);
}

.page-faq .faq-subgrid ol {
  margin: 0;
  padding-left: 1.25em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink);
}

.page-faq .faq-subgrid ol li {
  margin-bottom: 7px;
}

.page-faq .faq-subgrid ol li::marker {
  color: var(--lane);
  font-family: var(--font-mono);
  font-size: 13px;
}

.page-faq .faq-pass {
  padding: 13px 15px;
  background: rgba(168, 216, 206, 0.24);
  border-left: 2px solid var(--moss);
  border-radius: 0 12px 12px 0;
}

.page-faq .faq-pass h4 {
  color: var(--moss);
}

.page-faq .faq-pass p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--deep);
}

.page-faq .faq-check-row {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: clamp(16px, 2.4vw, 22px);
  padding: 9px 16px 9px 12px;
  border: 1px solid var(--lane);
  border-radius: 999px;
  font-size: 14px;
  color: var(--deep);
  cursor: pointer;
  user-select: none;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-check {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-faq .faq-check-mark {
  position: relative;
  flex: none;
  display: grid;
  place-items: center;
  width: 18px;
  height: 18px;
  border: 1.5px solid var(--lane);
  border-radius: 5px;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-check-mark::after {
  content: "";
  width: 9px;
  height: 5px;
  margin-top: -2px;
  border-left: 2px solid var(--mist);
  border-bottom: 2px solid var(--mist);
  transform: rotate(-45deg) scale(0.5);
  opacity: 0;
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-faq .faq-check:checked + .faq-check-mark {
  background: var(--moss);
  border-color: var(--moss);
}

.page-faq .faq-check:checked + .faq-check-mark::after {
  opacity: 1;
  transform: rotate(-45deg) scale(1);
}

.page-faq .faq-check:focus-visible + .faq-check-mark {
  outline: 2px solid var(--coral);
  outline-offset: 3px;
}

.page-faq .faq-check-row:has(.faq-check:checked) {
  background: rgba(168, 216, 206, 0.28);
  border-color: var(--moss);
}

.page-faq .faq-aside {
  align-self: start;
  min-width: 0;
  padding: clamp(15px, 2vw, 20px);
  background: linear-gradient(180deg, rgba(211, 232, 238, 0.9), rgba(211, 232, 238, 0.55));
  border: 1px solid rgba(111, 179, 191, 0.35);
  border-radius: 14px;
}

.page-faq .faq-aside h4 {
  margin: 0 0 11px;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--deep);
}

.page-faq .faq-aside ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-faq .faq-aside li {
  position: relative;
  padding-left: 17px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink);
}

.page-faq .faq-aside li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 8px;
  height: 2px;
  background: var(--coral);
}

.page-faq .faq-aside .copy-btn {
  margin-top: 14px;
  width: 100%;
  justify-content: center;
}

.page-faq .faq-aside-note {
  margin: 10px 0 0;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--rock);
}

.page-faq .faq-shot {
  margin: clamp(16px, 2.4vw, 22px) 0 0;
  overflow: hidden;
  border: 1px solid rgba(111, 179, 191, 0.45);
  border-radius: 12px;
  background: var(--aqua);
}

.page-faq .faq-shot img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

@media (min-width: 560px) {
  .page-faq .faq-subgrid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
  }
}

@media (min-width: 860px) {
  .page-faq .faq-step {
    grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
  }
}

/* ---------- 情形对照 ---------- */
.page-faq .faq-cases {
  padding: clamp(42px, 6vw, 76px) 0;
  background: var(--clay);
}

.page-faq .faq-cases-head {
  max-width: 46em;
  margin-bottom: clamp(22px, 3.5vw, 36px);
}

.page-faq .faq-table-wrap {
  overflow-x: auto;
  background: #fff;
  border: 1px solid rgba(111, 179, 191, 0.4);
  border-radius: var(--radius);
}

.page-faq .faq-table {
  width: 100%;
  border-collapse: collapse;
}

.page-faq .faq-table th {
  text-align: left;
  padding: 13px 16px;
  background: var(--deep);
  color: var(--mist);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.page-faq .faq-table td {
  padding: 15px 16px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink);
  vertical-align: top;
  border-bottom: 1px solid rgba(111, 179, 191, 0.28);
}

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

.page-faq .faq-table td:first-child {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--deep);
  white-space: nowrap;
}

.page-faq .faq-table td:nth-child(2) {
  border-left: 2px solid var(--coral);
  color: var(--deep);
}

@media (max-width: 760px) {
  .page-faq .faq-table-wrap {
    overflow-x: visible;
    background: transparent;
    border: 0;
    border-radius: 0;
  }

  .page-faq .faq-table,
  .page-faq .faq-table tbody,
  .page-faq .faq-table tr,
  .page-faq .faq-table td {
    display: block;
    width: 100%;
  }

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

  .page-faq .faq-table tr {
    margin-bottom: 14px;
    padding: 6px 0;
    background: #fff;
    border: 1px solid rgba(111, 179, 191, 0.4);
    border-radius: 14px;
  }

  .page-faq .faq-table td {
    border-bottom: 0;
    padding: 9px 16px;
    white-space: normal;
  }

  .page-faq .faq-table td::before {
    content: attr(data-label);
    display: block;
    margin-bottom: 3px;
    font-family: var(--font-body);
    font-size: 11.5px;
    font-weight: 700;
    letter-spacing: 0.12em;
    color: var(--lane);
  }

  .page-faq .faq-table td:first-child {
    font-size: 16px;
    white-space: normal;
  }

  .page-faq .faq-table td:nth-child(2) {
    border-left: 2px solid var(--coral);
    margin: 0 16px;
    padding-left: 12px;
    background: rgba(255, 226, 211, 0.35);
    border-radius: 0 8px 8px 0;
  }
}

/* ---------- 高频问题 ---------- */
.page-faq .faq-more {
  padding: clamp(42px, 6vw, 76px) 0;
  background: linear-gradient(180deg, var(--mist) 0%, rgba(211, 232, 238, 0.55) 100%);
}

.page-faq .faq-qa {
  display: grid;
  gap: 10px;
  max-width: 60em;
}

.page-faq .faq-item {
  background: #fff;
  border: 1px solid rgba(111, 179, 191, 0.4);
  border-radius: 14px;
  overflow: hidden;
  transition: border-color var(--dur) var(--ease);
}

.page-faq .faq-item[open] {
  border-color: rgba(111, 179, 191, 0.75);
}

.page-faq .faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--deep);
}

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

.page-faq .faq-item summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--coral);
}

.page-faq .faq-item[open] summary::after {
  content: "—";
  font-size: 14px;
}

.page-faq .faq-item summary:focus-visible {
  outline: 2px solid var(--coral);
  outline-offset: -4px;
}

.page-faq .faq-item p {
  margin: 0;
  padding: 0 18px 18px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--deep);
  max-width: 40em;
}

/* ---------- 升级路径 ---------- */
.page-faq .faq-escalate {
  padding: clamp(42px, 6vw, 76px) 0 clamp(50px, 8vw, 92px);
  background: var(--mist);
}

.page-faq .faq-escalate-panel {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 4.5vw, 54px);
  background: var(--ink);
  color: var(--mist);
  border-radius: calc(var(--radius) + 6px);
}

.page-faq .faq-escalate-panel::after {
  content: "";
  position: absolute;
  top: -40%;
  right: -12%;
  width: 54%;
  height: 182%;
  background: var(--deep);
  opacity: 0.55;
  transform: rotate(12deg);
  clip-path: polygon(24% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-faq .faq-escalate-inner {
  position: relative;
  z-index: 1;
  max-width: 44em;
}

.page-faq .faq-escalate-panel .eyebrow {
  color: var(--coral);
}

.page-faq .faq-escalate-panel .section-title {
  margin-top: 12px;
  color: var(--mist);
}

.page-faq .faq-escalate-lead {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(238, 246, 247, 0.82);
  max-width: 34em;
}

.page-faq .faq-escalate-list {
  list-style: none;
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding: 0;
  display: grid;
  gap: 11px;
  border-top: 1px dashed rgba(111, 179, 191, 0.45);
  padding-top: clamp(18px, 2.6vw, 24px);
}

.page-faq .faq-escalate-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--mist);
}

.page-faq .faq-escalate-list .mono {
  flex: none;
  min-width: 44px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--lane);
}

.page-faq .faq-escalate-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 30px);
}

.page-faq .faq-escalate-panel .btn--ghost {
  color: var(--mist);
  border-color: rgba(238, 246, 247, 0.55);
}

.page-faq .faq-escalate-foot {
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: rgba(238, 246, 247, 0.66);
}

.page-faq .faq-escalate-foot a {
  color: var(--coral-mist);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-escalate-foot a:hover,
.page-faq .faq-escalate-foot a:focus-visible {
  color: var(--coral);
}

/* ---------- 动效收敛 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-route a,
  .page-faq .faq-step,
  .page-faq .faq-step-num,
  .page-faq .faq-check-mark,
  .page-faq .faq-check-mark::after,
  .page-faq .faq-check-row,
  .page-faq .faq-item {
    transition: none;
  }
}