.page-faq {
  --faq-pad: clamp(20px, 4vw, 40px);
  --faq-step-bg: rgba(22, 56, 47, 0.55);
  --faq-step-bg-open: rgba(15, 43, 36, 0.92);
}

/* 面包屑落位 */
.page-faq .breadcrumb {
  padding-top: clamp(14px, 2.4vw, 24px);
}

/* 首屏 */
.page-faq .faq-hero {
  padding-block: clamp(20px, 4vw, 44px) clamp(36px, 6vw, 72px);
}
.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
}
.page-faq .faq-hero__title {
  margin: 12px 0 0;
  font-size: clamp(32px, 6.2vw, 60px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  max-width: 16ch;
}
.page-faq .faq-hero__lead {
  margin: 18px 0 0;
  max-width: 60ch;
  color: var(--fog);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.75;
}
.page-faq .faq-hero__jumps {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}
.page-faq .jump {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  color: var(--fog);
  font-size: 13px;
  text-decoration: none;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease), background 0.2s var(--ease);
}
.page-faq .jump .num {
  font-size: 11px;
  color: var(--lime);
  letter-spacing: 0.08em;
}
.page-faq .jump:hover,
.page-faq .jump:focus-visible {
  border-color: var(--line-lime-strong);
  background: rgba(200, 245, 60, 0.08);
  color: var(--lime-soft);
}

.page-faq .faq-hero__aside {
  padding: clamp(18px, 2.6vw, 26px);
  border-radius: var(--radius);
  align-self: start;
}
.page-faq .faq-hero__asideTitle {
  margin: 10px 0 14px;
  font-size: clamp(17px, 2vw, 20px);
  line-height: 1.4;
  color: var(--fog);
}
.page-faq .quicklist {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-faq .quicklist li + li {
  border-top: 1px solid var(--line-dark);
}
.page-faq .quicklist a {
  display: block;
  padding: 11px 0 11px 20px;
  position: relative;
  color: var(--fog);
  font-size: 14px;
  line-height: 1.55;
  text-decoration: none;
  transition: color 0.18s var(--ease), padding-left 0.18s var(--ease);
}
.page-faq .quicklist a::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  width: 10px;
  height: 1px;
  background: var(--moss);
  transition: background 0.18s var(--ease), width 0.18s var(--ease);
}
.page-faq .quicklist a:hover,
.page-faq .quicklist a:focus-visible {
  color: var(--lime-soft);
  padding-left: 24px;
}
.page-faq .quicklist a:hover::before,
.page-faq .quicklist a:focus-visible::before {
  background: var(--lime);
  width: 16px;
}
.page-faq .quicklist__note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line-dark);
  color: var(--moss);
  font-size: 12px;
  line-height: 1.65;
}

/* 步骤区 */
.page-faq .steps-section {
  border-top: 1px solid var(--line-dark);
}
.page-faq .steps-head {
  max-width: 70ch;
  margin-bottom: clamp(20px, 3vw, 32px);
}
.page-faq .steps-head .h2,
.page-faq .questions-head .h2,
.page-faq .ticket-head .h2 {
  margin: 10px 0 0;
  font-size: clamp(24px, 4vw, 40px);
  line-height: 1.18;
  letter-spacing: -0.01em;
}
.page-faq .steps-head__lead,
.page-faq .questions-head__lead,
.page-faq .ticket-head__lead {
  margin: 12px 0 0;
  line-height: 1.75;
  font-size: 15px;
  max-width: 62ch;
}
.page-faq .steps-head__lead {
  color: var(--fog);
}

/* 进度轨道 */
.page-faq .track {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 18px;
  margin: 0 0 clamp(20px, 3vw, 28px);
}
.page-faq .track__seg {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  padding-top: 12px;
  border-top: 2px solid var(--line-dark);
  color: var(--moss);
  transition: border-color 0.22s var(--ease), color 0.22s var(--ease);
}
.page-faq .track__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(126, 143, 136, 0.55);
  box-shadow: 0 0 0 3px rgba(126, 143, 136, 0.12);
  transition: background 0.22s var(--ease), box-shadow 0.22s var(--ease);
}
.page-faq .track__label {
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.page-faq:has(#chk-1:checked) .track__seg--1,
.page-faq:has(#chk-2:checked) .track__seg--2,
.page-faq:has(#chk-3:checked) .track__seg--3,
.page-faq:has(#chk-4:checked) .track__seg--4 {
  border-top-color: var(--blue);
  color: var(--fog);
}
.page-faq:has(#chk-1:checked) .track__seg--1 .track__dot,
.page-faq:has(#chk-2:checked) .track__seg--2 .track__dot,
.page-faq:has(#chk-3:checked) .track__seg--3 .track__dot,
.page-faq:has(#chk-4:checked) .track__seg--4 .track__dot {
  background: var(--blue);
  box-shadow: 0 0 0 4px rgba(88, 182, 232, 0.2);
}

/* 流程示意图 */
.page-faq .steps-map {
  margin: 0 0 clamp(20px, 3vw, 30px);
}
.page-faq .steps-map img,
.page-faq .questions-map img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* 步骤折叠组 */
.page-faq .steps-list {
  display: grid;
  gap: 12px;
}
.page-faq .step {
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  background: var(--faq-step-bg);
  transition: background 0.22s var(--ease), border-color 0.22s var(--ease), box-shadow 0.22s var(--ease);
  scroll-margin-top: calc(var(--header-h) + 20px);
}
.page-faq .step[open] {
  background: var(--faq-step-bg-open);
  border-color: var(--line-lime);
  box-shadow: inset 3px 0 0 var(--lime);
}
.page-faq .step__sum {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  grid-template-areas:
    "no title caret"
    "no hint caret";
  align-items: center;
  gap: 4px 12px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}
.page-faq .step__sum::-webkit-details-marker {
  display: none;
}
.page-faq .step__sum:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: -3px;
}
.page-faq .step__no {
  grid-area: no;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--lime);
  align-self: center;
}
.page-faq .step__title {
  grid-area: title;
  margin: 0;
  font-size: clamp(15px, 1.9vw, 18px);
  font-weight: 600;
  line-height: 1.45;
  color: var(--fog);
}
.page-faq .step__hint {
  grid-area: hint;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--moss);
}
.page-faq .step__caret {
  grid-area: caret;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--moss);
  border-bottom: 2px solid var(--moss);
  transform: rotate(45deg);
  transition: transform 0.22s var(--ease), border-color 0.22s var(--ease);
}
.page-faq .step[open] .step__caret {
  transform: rotate(-135deg);
  border-color: var(--lime);
}
.page-faq .step__body {
  display: grid;
  gap: 18px;
  padding: 16px 18px 20px;
  border-top: 1px solid var(--line-dark);
}
.page-faq .step__label {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--moss);
}
.page-faq .step__ol {
  margin: 0;
  padding-left: 20px;
  color: var(--fog);
  font-size: 14px;
  line-height: 1.75;
}
.page-faq .step__ol li + li {
  margin-top: 6px;
}
.page-faq .step__ol .num {
  color: var(--lime-soft);
}

/* 判断标志勾选 */
.page-faq .flag {
  position: relative;
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  padding: 8px 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--fog);
  cursor: pointer;
}
.page-faq .flag + .flag {
  border-top: 1px solid rgba(233, 241, 236, 0.07);
}
.page-faq .flag input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}
.page-faq .flag__box {
  position: relative;
  width: 16px;
  height: 16px;
  margin-top: 3px;
  border: 1px solid var(--line-lime-strong);
  border-radius: 1px;
  background: rgba(10, 14, 13, 0.4);
  transition: background 0.18s var(--ease), border-color 0.18s var(--ease);
}
.page-faq .flag input:checked + .flag__box {
  background: var(--blue);
  border-color: var(--blue);
}
.page-faq .flag input:checked + .flag__box::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 1px;
  width: 4px;
  height: 9px;
  border-right: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  transform: rotate(38deg);
}
.page-faq .flag input:focus-visible + .flag__box {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
}
.page-faq .flag input:checked ~ span:last-child {
  color: var(--lime-soft);
}

/* 暖纸问答区 */
.page-faq .questions {
  color: var(--ink-text);
  scroll-margin-top: calc(var(--header-h) + 16px);
}
.page-faq .questions-head {
  max-width: 70ch;
  margin-bottom: clamp(20px, 3vw, 32px);
}
.page-faq .questions-head .index-tag,
.page-faq .questions-head .index-tag__no {
  color: var(--ink-text);
}
.page-faq .questions-head .index-tag__no {
  color: #4b6b5f;
}
.page-faq .questions-head .h2 {
  color: var(--ink-text);
}
.page-faq .questions-head__lead {
  color: #3c4a44;
}
.page-faq .questions-grid {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
}
.page-faq .questions-map {
  margin: 0;
  align-self: start;
}
.page-faq .questions .media__tag {
  color: var(--ink-text);
  background: var(--paper);
}
.page-faq .qa-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--paper-line);
}
.page-faq .qa {
  border-bottom: 1px solid var(--paper-line);
  scroll-margin-top: calc(var(--header-h) + 20px);
  transition: background 0.2s var(--ease);
}
.page-faq .qa[open] {
  background: rgba(217, 208, 190, 0.28);
}
.page-faq .qa__sum {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 16px 14px 16px 16px;
  cursor: pointer;
  list-style: none;
}
.page-faq .qa__sum::-webkit-details-marker {
  display: none;
}
.page-faq .qa__sum:focus-visible {
  outline: 2px solid #4b6b5f;
  outline-offset: -3px;
}
.page-faq .qa__title {
  margin: 0;
  font-size: clamp(15px, 1.9vw, 18px);
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink-text);
}
.page-faq .qa__caret {
  width: 8px;
  height: 8px;
  border-right: 2px solid #4b6b5f;
  border-bottom: 2px solid #4b6b5f;
  transform: rotate(45deg);
  transition: transform 0.22s var(--ease), border-color 0.22s var(--ease);
}
.page-faq .qa[open] .qa__caret {
  transform: rotate(-135deg);
  border-color: var(--ink-text);
}
.page-faq .qa__body {
  padding: 0 16px 20px;
  font-size: 14px;
  line-height: 1.78;
  color: #2b3833;
  max-width: 66ch;
}
.page-faq .qa__body p {
  margin: 0 0 12px;
}
.page-faq .qa__body .step__ol {
  color: #2b3833;
  padding-left: 20px;
  margin: 0 0 12px;
}
.page-faq .qa__ul {
  margin: 0;
  padding-left: 18px;
}
.page-faq .qa__ul li + li {
  margin-top: 8px;
}
.page-faq .qa__defs {
  margin: 0 0 12px;
}
.page-faq .qa__defs dt {
  font-weight: 600;
  color: var(--ink-text);
  margin-top: 12px;
}
.page-faq .qa__defs dt:first-child {
  margin-top: 0;
}
.page-faq .qa__defs dd {
  margin: 4px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--paper-line);
}
.page-faq .qa__tip {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--paper-line);
  font-size: 13px;
  color: #4b6b5f;
}
.page-faq .qa .num {
  color: #1f5f7a;
}
.page-faq .link-strong {
  color: #1f5f7a;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-faq .link-strong:hover,
.page-faq .link-strong:focus-visible {
  color: var(--ink-text);
}

/* 工单区 */
.page-faq .ticket {
  border-top: 1px solid var(--line-dark);
}
.page-faq .ticket-head {
  max-width: 70ch;
  margin-bottom: clamp(20px, 3vw, 32px);
}
.page-faq .ticket-head__lead {
  color: var(--fog);
}
.page-faq .ticket-grid {
  display: grid;
  gap: 14px;
}
.page-faq .ticket-card {
  padding: 20px;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  background: rgba(15, 43, 36, 0.62);
}
.page-faq .ticket-card__k {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--moss);
}
.page-faq .ticket-card__v {
  margin: 0;
  font-size: clamp(20px, 2.6vw, 26px);
  font-weight: 700;
  color: var(--lime);
  letter-spacing: -0.01em;
}
.page-faq .ticket-card__v .num {
  font-size: 0.92em;
  letter-spacing: 0.04em;
}
.page-faq .ticket-card__note {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--moss);
}
.page-faq .ticket-card__ul {
  margin: 0;
  padding-left: 18px;
  color: var(--fog);
  font-size: 14px;
  line-height: 1.8;
}
.page-faq .ticket-card__ul li + li {
  margin-top: 4px;
}
.page-faq .ticket-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
  padding-top: clamp(18px, 2.6vw, 24px);
  border-top: 1px solid var(--line-dark);
}
.page-faq .ticket-actions .btn {
  text-decoration: none;
}
.page-faq .ticket-actions__note {
  margin: 0;
  flex: 1 1 240px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--moss);
}
.page-faq .ticket-actions__note a {
  color: var(--lime-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 平板与桌面 */
@media (min-width: 760px) {
  .page-faq .track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-faq .step__body {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 24px;
  }
  .page-faq .step__check {
    border-left: 1px solid var(--line-dark);
    padding-left: 22px;
  }
  .page-faq .questions-grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: start;
  }
  .page-faq .questions-map {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }
  .page-faq .ticket-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.85fr);
    align-items: start;
  }
  .page-faq .faq-hero__aside {
    margin-top: 8px;
  }
  .page-faq .step__sum {
    grid-template-columns: 56px minmax(0, 1fr) auto auto;
    grid-template-areas: "no title hint caret";
    gap: 18px;
    padding: 20px 24px;
  }
  .page-faq .step__body {
    padding: 20px 24px 26px;
  }
  .page-faq .qa__sum {
    padding: 20px 20px 20px 22px;
  }
  .page-faq .qa__body {
    padding: 0 22px 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .step,
  .page-faq .qa,
  .page-faq .step__caret,
  .page-faq .qa__caret,
  .page-faq .track__seg,
  .page-faq .track__dot,
  .page-faq .jump,
  .page-faq .quicklist a {
    transition: none;
  }
}
<<<END>>>