.page-faq {
  --faq-cut: 18px;
  --faq-gap: clamp(14px, 2.4vw, 22px);
}

/* ------- 首屏 ------- */
.page-faq .faq-hero {
  position: relative;
  padding: calc(var(--header-h) + clamp(30px, 7vw, 76px)) 0 clamp(28px, 5vw, 56px);
  background:
    radial-gradient(110% 80% at 92% 4%, rgba(0, 227, 200, .16) 0%, rgba(0, 227, 200, 0) 58%),
    radial-gradient(90% 70% at 2% 0%, rgba(242, 112, 31, .13) 0%, rgba(242, 112, 31, 0) 60%);
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 44px);
}

.page-faq .faq-hero .breadcrumb {
  margin-bottom: clamp(12px, 2vw, 20px);
}

.page-faq .faq-hero h1 {
  margin: 10px 0 16px;
  max-width: 17ch;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 4.8vw, 3.5rem);
  line-height: 1.18;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-faq .faq-hero__lead {
  margin: 0;
  max-width: 54ch;
  font-size: 1.06rem;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
}

/* ------- 图片容器 ------- */
.page-faq .faq-figure {
  position: relative;
  margin: 0;
  background: var(--paper-lift);
  border: 1px solid var(--rule);
  overflow: hidden;
  clip-path: polygon(0 0, calc(100% - var(--faq-cut)) 0, 100% var(--faq-cut), 100% 100%, var(--faq-cut) 100%, 0 calc(100% - var(--faq-cut)));
}

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

.page-faq .faq-figure__cap {
  padding: 10px 14px 12px;
  border-top: 1px dashed var(--rule);
  background: var(--paper-lift);
  font-family: var(--font-mono);
  font-size: .78rem;
  line-height: 1.6;
  letter-spacing: .01em;
  color: var(--muted);
}

/* ------- 区块与标题 ------- */
.page-faq .faq-block {
  padding: clamp(34px, 6vw, 72px) 0;
}

.page-faq .faq-head {
  margin-bottom: clamp(22px, 3.4vw, 36px);
}

.page-faq .faq-head__title {
  margin: 8px 0 10px;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.4vw, 2.4rem);
  line-height: 1.25;
  color: var(--ink);
}

.page-faq .faq-head__lead {
  margin: 0;
  max-width: 60ch;
  font-size: 1.02rem;
  line-height: 1.85;
  color: var(--ink-soft);
}

/* ------- 三步面板 ------- */
.page-faq .faq-steps__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--faq-gap);
}

.page-faq .faq-step {
  padding: clamp(20px, 3vw, 28px);
  background: var(--paper-lift);
  border-top: 4px solid var(--ink);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--faq-cut)), calc(100% - var(--faq-cut)) 100%, 0 100%);
  transition: transform 200ms var(--ease), box-shadow 200ms var(--ease);
}

.page-faq .faq-step:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 26px rgba(14, 42, 69, .10);
}

.page-faq .faq-step--third {
  background: linear-gradient(158deg, #FFF2E5 0%, #FFDFC6 100%);
  border-top-color: var(--orange);
}

.page-faq .faq-step__num {
  display: inline-block;
  padding: 5px 10px 7px;
  background: var(--cyan);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 3.2vw, 2.1rem);
  font-weight: 700;
  line-height: 1;
  clip-path: polygon(0 0, 100% 0, 100% 68%, 82% 100%, 0 100%);
}

.page-faq .faq-step__title {
  margin: 16px 0 8px;
  font-family: var(--font-display);
  font-size: 1.3rem;
  line-height: 1.4;
  color: var(--ink);
}

.page-faq .faq-step__text {
  margin: 0;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* ------- 第 3 步高亮区 ------- */
.page-faq .faq-step3 {
  scroll-margin-top: calc(var(--header-h) + 18px);
  padding-top: 0;
}

.page-faq .faq-step3__card {
  padding: clamp(26px, 5vw, 54px);
  color: var(--ink);
  background: linear-gradient(145deg, var(--orange) 0%, var(--orange-deep) 100%);
  clip-path: polygon(0 0, calc(100% - 38px) 0, 100% 38px, 100% 100%, 38px 100%, 0 calc(100% - 38px));
}

.page-faq .faq-step3__head {
  display: flex;
  align-items: flex-end;
  gap: clamp(14px, 2.5vw, 24px);
  flex-wrap: wrap;
}

.page-faq .faq-step3__mark {
  display: inline-block;
  padding-bottom: 2px;
  border-bottom: 4px solid var(--ink);
  font-family: var(--font-mono);
  font-size: clamp(2.4rem, 6.5vw, 4rem);
  font-weight: 700;
  line-height: .95;
  color: var(--ink);
}

.page-faq .faq-step3__kicker {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: .82rem;
  letter-spacing: .04em;
  color: var(--ink);
  opacity: .85;
}

.page-faq .faq-step3__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.4vw, 2.4rem);
  line-height: 1.25;
  color: var(--ink);
}

.page-faq .faq-step3__text {
  margin: clamp(18px, 3vw, 26px) 0 0;
  max-width: 62ch;
  font-size: 1.06rem;
  line-height: 1.85;
  color: var(--ink);
}

.page-faq .faq-step3__list {
  display: grid;
  gap: 12px;
  margin: clamp(18px, 3vw, 26px) 0 0;
  padding: 0;
  max-width: 74ch;
  list-style: none;
}

.page-faq .faq-step3__list li {
  position: relative;
  padding-left: 30px;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--ink);
}

.page-faq .faq-step3__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .78em;
  width: 15px;
  height: 2px;
  background: var(--ink);
}

.page-faq .faq-check {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: clamp(22px, 3.6vw, 32px) 0 0;
  padding: 12px 18px;
  max-width: 460px;
  background: rgba(255, 251, 245, .8);
  border: 1px dashed var(--ink);
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 0 100%);
}

.page-faq .faq-check__input {
  flex: none;
  display: inline-grid;
  place-content: center;
  width: 24px;
  height: 24px;
  margin: 0;
  appearance: none;
  -webkit-appearance: none;
  background: var(--paper-lift);
  border: 2px solid var(--ink);
  cursor: pointer;
}

.page-faq .faq-check__input::after {
  content: "";
  width: 12px;
  height: 6px;
  margin-top: -3px;
  border-left: 3px solid var(--ink);
  border-bottom: 3px solid var(--ink);
  transform: rotate(-45deg) scale(0);
  transition: transform 180ms var(--ease);
}

.page-faq .faq-check__input:checked::after {
  transform: rotate(-45deg) scale(1);
}

.page-faq .faq-check__input:focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: 3px;
}

.page-faq .faq-check__label {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--ink);
  cursor: pointer;
}

/* ------- 异常条目与侧栏 ------- */
.page-faq .faq-issues__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4.5vw, 48px);
}

.page-faq .faq-acc {
  border-top: 2px solid var(--ink);
}

.page-faq .faq-acc__item {
  border-bottom: 1px solid var(--rule-strong);
}

.page-faq .faq-acc__item[open] {
  background: linear-gradient(180deg, rgba(255, 251, 245, .92) 0%, rgba(255, 251, 245, 0) 100%);
}

.page-faq .faq-acc__summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: clamp(16px, 2.4vw, 22px) 6px;
  list-style: none;
  cursor: pointer;
  color: var(--ink);
  transition: color 180ms var(--ease);
}

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

.page-faq .faq-acc__summary::marker {
  content: "";
}

.page-faq .faq-acc__summary:hover {
  color: var(--orange-deep);
}

.page-faq .faq-acc__summary:focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: 2px;
}

.page-faq .faq-acc__idx {
  padding: 3px 7px;
  background: var(--cyan);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: .84rem;
  line-height: 1.4;
}

.page-faq .faq-acc__label {
  font-family: var(--font-display);
  font-size: clamp(1.08rem, 2.2vw, 1.42rem);
  font-weight: 700;
  line-height: 1.4;
  color: inherit;
}

.page-faq .faq-acc__mark {
  position: relative;
  width: 18px;
  height: 18px;
  flex: none;
}

.page-faq .faq-acc__mark::before,
.page-faq .faq-acc__mark::after {
  content: "";
  position: absolute;
  background: var(--orange);
  transition: transform 180ms var(--ease), opacity 180ms var(--ease);
}

.page-faq .faq-acc__mark::before {
  left: 0;
  top: 8px;
  width: 18px;
  height: 2px;
}

.page-faq .faq-acc__mark::after {
  left: 8px;
  top: 0;
  width: 2px;
  height: 18px;
}

.page-faq .faq-acc__item[open] .faq-acc__mark::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .faq-acc__body {
  padding: 0 6px clamp(20px, 3vw, 30px);
  max-width: 68ch;
}

.page-faq .faq-acc__item[open] .faq-acc__body {
  animation: faq-open 180ms var(--ease) both;
}

@keyframes faq-open {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

.page-faq .faq-acc__intro {
  margin: 0 0 12px;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-faq .faq-acc__list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding-left: 1.35em;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-faq .faq-acc__list li::marker {
  color: var(--orange-deep);
  font-family: var(--font-mono);
}

.page-faq .faq-acc__list strong {
  color: var(--ink);
}

.page-faq .faq-acc__foot {
  margin: 14px 0 0;
  font-size: .95rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .faq-acc__foot a {
  color: var(--orange-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-path {
  display: block;
  width: 100%;
  max-width: 460px;
  height: auto;
  margin: 18px 0 2px;
}

.page-faq .faq-path__line {
  stroke: var(--rule-strong);
  stroke-width: 1.6;
  stroke-dasharray: 6 6;
}

.page-faq .faq-path__node {
  fill: var(--paper-lift);
  stroke: var(--ink-soft);
  stroke-width: 1.4;
}

.page-faq .faq-path__label {
  fill: var(--ink);
  font-family: var(--font-mono);
  font-size: 12px;
}

.page-faq .faq-aside {
  display: grid;
  gap: var(--faq-gap);
  align-content: start;
}

.page-faq .faq-aside__card {
  padding: clamp(20px, 3vw, 26px);
}

.page-faq .faq-aside__kicker {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink);
}

.page-faq .faq-aside__text {
  margin: 0 0 16px;
  font-size: .98rem;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* ------- 断点 ------- */
@media (min-width: 700px) {
  .page-faq .faq-steps__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 920px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    align-items: center;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-issues__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
  }

  .page-faq .faq-acc__summary {
    padding-left: 10px;
    padding-right: 10px;
  }

  .page-faq .faq-acc__body {
    padding-left: 10px;
    padding-right: 10px;
  }
}
<<<END>>>