.page-faq {
  --faq-cat: 258px;
  --faq-top: 88px;
  --faq-line: rgba(29, 62, 107, 0.2);
  --faq-alert: #C43A1B;
  --faq-ok: #0E8F89;
  background: var(--white);
  color: var(--ink);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
}

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

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: var(--sp-4) 0 var(--sp-5);
  color: var(--mist);
  background:
    radial-gradient(120% 90% at 88% 6%, rgba(39, 220, 210, 0.16) 0%, rgba(39, 220, 210, 0) 58%),
    linear-gradient(158deg, #0A1A33 0%, #102A4C 62%, #0B1F3A 100%);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 72px 72px;
  pointer-events: none;
}

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

.page-faq .faq-crumbs {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: rgba(242, 245, 249, 0.58);
}

.page-faq .faq-crumbs a {
  color: rgba(242, 245, 249, 0.86);
  text-decoration: none;
  border-bottom: 1px solid rgba(242, 245, 249, 0.24);
}

.page-faq .faq-crumbs a:hover,
.page-faq .faq-crumbs a:focus-visible {
  color: var(--gold-2);
  border-color: var(--gold);
}

.page-faq .crumb-sep {
  margin: 0 8px;
  color: rgba(242, 245, 249, 0.4);
}

.page-faq .hero-grid {
  display: grid;
  gap: var(--sp-4);
  margin-top: var(--sp-4);
}

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

.page-faq .hero-kicker {
  margin: 0;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--cyan);
}

.page-faq .hero-title {
  margin: var(--sp-2) 0 var(--sp-3);
  font-size: clamp(28px, 6.6vw, 50px);
  line-height: 1.14;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--white);
}

.page-faq .hero-lead {
  margin: 0;
  max-width: 52ch;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(242, 245, 249, 0.8);
}

.page-faq .hero-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: var(--sp-4) 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  background: rgba(16, 42, 76, 0.55);
  color: var(--mist);
  font-size: 14px;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .chip:hover,
.page-faq .chip:focus-visible {
  border-color: var(--gold);
  background: rgba(227, 178, 75, 0.14);
  color: var(--gold-2);
}

.page-faq .chip-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--live);
}

.page-faq .hero-figure {
  margin: 0;
  border: 1px solid var(--line-on-dark);
  background: rgba(16, 42, 76, 0.5);
}

.page-faq .hero-figure img {
  display: block;
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.page-faq .hero-figure figcaption {
  padding: 8px 12px;
  border-top: 1px solid var(--line-on-dark);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: rgba(242, 245, 249, 0.55);
}

/* ---------- 主体 ---------- */
.page-faq .faq-body {
  padding: var(--sp-5) 0 var(--sp-6);
}

.page-faq .body-grid {
  display: grid;
  gap: var(--sp-4);
}

.page-faq .faq-catalog {
  padding: var(--sp-3);
  background: var(--mist);
  border: 1px solid var(--faq-line);
  border-radius: var(--radius);
}

.page-faq .catalog-summary {
  display: flex;
  align-items: center;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--faq-line);
  list-style: none;
  cursor: pointer;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--navy);
}

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

.page-faq .catalog-summary::after {
  content: "−";
  margin-left: auto;
  padding-left: 12px;
  font-family: var(--font-num);
  font-size: 20px;
  line-height: 1;
  color: var(--gold);
}

.page-faq .catalog-details:not([open]) .catalog-summary::after {
  content: "+";
}

.page-faq .catalog-list {
  margin: var(--sp-2) 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .catalog-list li {
  position: relative;
}

.page-faq .catalog-list li::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--faq-line);
}

.page-faq .catalog-list li:first-child::before {
  top: 50%;
}

.page-faq .catalog-list li:last-child::before {
  bottom: 50%;
}

.page-faq .catalog-list li:only-child::before {
  display: none;
}

.page-faq .tree-link {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 9px 0 9px 22px;
  font-size: 14.5px;
  line-height: 1.5;
  color: var(--slate);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.page-faq .tree-link::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 50%;
  width: 12px;
  height: 1px;
  background: var(--faq-line);
}

.page-faq .tree-link::after {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 7px;
  height: 7px;
  margin-top: -3.5px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--white);
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-faq .tree-link:hover,
.page-faq .tree-link:focus-visible {
  color: var(--navy);
}

.page-faq .tree-link:hover::after,
.page-faq .tree-link:focus-visible::after {
  background: var(--gold);
  border-color: var(--gold);
  transform: scale(1.15);
}

.page-faq .tree-link.is-current {
  color: var(--navy);
  font-weight: 700;
}

.page-faq .tree-link.is-current::after {
  background: var(--gold);
  border-color: var(--gold);
}

.page-faq .tree-code {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--line);
}

.page-faq .catalog-note {
  margin: var(--sp-3) 0 0;
  padding-top: 10px;
  border-top: 1px dashed var(--faq-line);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--slate);
}

.page-faq .faq-answers {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
  min-width: 0;
}

/* ---------- 场景卡 ---------- */
.page-faq .scene {
  padding: var(--sp-3);
  background: var(--white);
  border: 1px solid var(--faq-line);
  border-radius: var(--radius);
  scroll-margin-top: var(--faq-top);
}

.page-faq .scene-head {
  display: flex;
  align-items: baseline;
  gap: var(--sp-3);
  padding-bottom: var(--sp-2);
  margin-bottom: var(--sp-2);
  border-bottom: 2px solid var(--navy);
}

.page-faq .scene-no {
  font-family: var(--font-num);
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--gold);
}

.page-faq .scene-title {
  margin: 0;
  font-size: clamp(19px, 3.6vw, 26px);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: 0.04em;
  color: var(--navy);
}

.page-faq .live-grid {
  display: grid;
  gap: var(--sp-4);
}

.page-faq .live-main {
  min-width: 0;
}

.page-faq .seg {
  display: grid;
  gap: 6px;
  padding: var(--sp-3) 0;
}

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

.page-faq .seg-key {
  display: inline-block;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--slate);
}

.page-faq .seg--sym .seg-key {
  color: var(--faq-alert);
}

.page-faq .seg--why .seg-key {
  color: var(--line);
}

.page-faq .seg--how .seg-key {
  color: var(--faq-ok);
}

.page-faq .seg--next .seg-key {
  color: var(--navy);
}

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

.page-faq .seg-body p {
  margin: 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--ink);
}

/* ---------- 步骤 ---------- */
.page-faq .steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
}

.page-faq .step {
  position: relative;
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr) 20px;
  gap: 10px;
  padding-bottom: var(--sp-3);
}

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

.page-faq .step::before {
  content: "";
  position: absolute;
  left: 12.5px;
  top: 30px;
  bottom: 0;
  width: 1px;
  background: var(--faq-line);
}

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

.page-faq .step-box {
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  background: var(--navy);
  color: var(--gold-2);
  font-family: var(--font-num);
  font-size: 15px;
  font-weight: 700;
  border-radius: var(--radius);
}

.page-faq .step-text {
  margin: 0;
  padding-top: 2px;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--ink);
}

.page-faq .step-text strong {
  color: var(--navy);
}

.page-faq .step-check {
  position: relative;
  display: block;
  width: 20px;
  height: 20px;
  margin-top: 4px;
  cursor: pointer;
}

.page-faq .step-check input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  cursor: pointer;
}

.page-faq .step-check span {
  position: relative;
  display: block;
  width: 20px;
  height: 20px;
  border: 1px solid var(--faq-line);
  border-radius: var(--radius);
  background: var(--white);
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .step-check input:checked + span {
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-faq .step-check input:checked + span::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 2px;
  width: 5px;
  height: 10px;
  border: solid var(--navy);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.page-faq .step-check input:focus-visible + span {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-faq .next-box {
  margin: 0;
  padding: 12px 14px;
  background: var(--mist);
  border-left: 3px solid var(--gold);
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink);
}

.page-faq .next-box a {
  color: var(--line);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: var(--cyan);
  text-underline-offset: 3px;
}

.page-faq .next-box a:hover,
.page-faq .next-box a:focus-visible {
  color: var(--navy);
  text-decoration-color: var(--gold);
}

.page-faq .scene-media {
  margin: 0;
  border: 1px solid var(--faq-line);
  background: var(--mist);
}

.page-faq .scene-media img {
  display: block;
  width: 100%;
  height: 240px;
  object-fit: cover;
}

/* ---------- 提交前准备 ---------- */
.page-faq .prep {
  padding: var(--sp-4) var(--sp-3);
  background: var(--mist);
  border-top: 2px solid var(--navy);
  scroll-margin-top: var(--faq-top);
}

.page-faq .prep-title {
  margin: 0 0 8px;
  font-size: clamp(20px, 3.8vw, 27px);
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--navy);
}

.page-faq .prep-lead {
  margin: 0 0 var(--sp-4);
  max-width: 60ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--slate);
}

.page-faq .prep-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: var(--sp-3);
}

.page-faq .prep-item {
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
}

.page-faq .prep-no {
  font-family: var(--font-num);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-faq .prep-name {
  margin: 4px 0 6px;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--navy);
}

.page-faq .prep-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink);
}

/* ---------- 联系通道 ---------- */
.page-faq .faq-contact {
  display: grid;
  gap: var(--sp-4);
  padding: var(--sp-4) var(--sp-3);
  color: var(--mist);
  background: linear-gradient(150deg, var(--navy) 0%, var(--navy-2) 100%);
  scroll-margin-top: var(--faq-top);
}

.page-faq .contact-title {
  margin: 0 0 10px;
  font-size: clamp(20px, 3.8vw, 27px);
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--white);
}

.page-faq .contact-copy p {
  margin: 0 0 12px;
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(242, 245, 249, 0.78);
}

.page-faq .contact-copy p:last-child {
  margin-bottom: 0;
}

.page-faq .contact-copy a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(39, 220, 210, 0.4);
}

.page-faq .contact-copy a:hover,
.page-faq .contact-copy a:focus-visible {
  color: var(--gold-2);
  border-color: var(--gold-2);
}

.page-faq .contact-ways {
  display: grid;
  gap: var(--sp-3);
}

.page-faq .way {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: var(--sp-3);
  border: 1px solid var(--line-on-dark);
  border-radius: var(--radius);
  background: var(--glass);
}

.page-faq .way h3 {
  margin: 0;
  font-size: 16px;
  letter-spacing: 0.06em;
  color: var(--gold-2);
}

.page-faq .way p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(242, 245, 249, 0.76);
  word-break: break-all;
}

.page-faq .way a:not(.btn) {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(39, 220, 210, 0.4);
}

.page-faq .way a:not(.btn):hover,
.page-faq .way a:not(.btn):focus-visible {
  color: var(--gold-2);
  border-color: var(--gold-2);
}

.page-faq .way .btn {
  align-self: flex-start;
  margin-top: auto;
}

/* ---------- 断点 ---------- */
@media (min-width: 620px) {
  .page-faq .hero-figure img {
    height: 300px;
  }

  .page-faq .contact-ways {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .prep-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--sp-4) var(--sp-4);
  }
}

@media (min-width: 720px) {
  .page-faq .seg {
    grid-template-columns: 88px minmax(0, 1fr);
    gap: var(--sp-3);
    align-items: start;
  }

  .page-faq .seg-key {
    padding-top: 5px;
  }

  .page-faq .scene {
    padding: var(--sp-4);
  }

  .page-faq .prep {
    padding: var(--sp-5) var(--sp-4);
  }

  .page-faq .faq-contact {
    padding: var(--sp-5) var(--sp-4);
  }
}

@media (min-width: 900px) {
  .page-faq .hero-grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.85fr);
    gap: var(--sp-5);
    align-items: end;
    margin-top: var(--sp-5);
  }

  .page-faq .hero-figure img {
    height: 340px;
  }

  .page-faq .faq-hero {
    padding-bottom: var(--sp-6);
  }
}

@media (min-width: 980px) {
  .page-faq .live-grid {
    grid-template-columns: minmax(0, 1fr) 230px;
    gap: var(--sp-4);
    align-items: start;
  }

  .page-faq .scene-media img {
    height: auto;
    aspect-ratio: 4 / 5;
  }
}

@media (min-width: 1024px) {
  .page-faq .body-grid {
    grid-template-columns: var(--faq-cat) minmax(0, 1fr);
    gap: var(--sp-5);
    align-items: start;
  }

  .page-faq .faq-catalog {
    position: sticky;
    top: var(--faq-top);
  }

  .page-faq .faq-contact {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: var(--sp-5);
    padding: var(--sp-5);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .chip,
  .page-faq .tree-link,
  .page-faq .tree-link::after,
  .page-faq .step-check span {
    transition: none;
  }
}