.page-faq {
  --faq-ease: cubic-bezier(0.2, 0.8, 0.2, 1);
  background: var(--c-concrete);
  color: var(--c-bone);
  overflow-x: clip;
  padding-bottom: clamp(2.4rem, 6vw, 4.5rem);
}

.page-faq .faq-wrap {
  box-sizing: border-box;
  width: 100%;
  max-width: 1180px;
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2.5rem);
}

/* 面包屑 */
.page-faq .breadcrumb {
  padding-top: clamp(1.1rem, 3vw, 1.9rem);
}
.page-faq .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.8rem;
  color: var(--c-dust);
}
.page-faq .breadcrumb-list li + li::before {
  content: "/";
  margin-right: 0.45rem;
  color: var(--c-steel);
}
.page-faq .breadcrumb-link {
  color: var(--c-dust);
  text-decoration: none;
  transition: color 0.18s var(--faq-ease);
}
.page-faq .breadcrumb-link:hover {
  color: var(--c-orange);
}
.page-faq .breadcrumb-current {
  color: var(--c-bone);
}

/* 首屏 */
.page-faq .faq-hero {
  display: grid;
  gap: clamp(1.8rem, 4vw, 3rem);
  padding-block: clamp(1.5rem, 4vw, 2.6rem) clamp(1.8rem, 4.5vw, 3rem);
}
.page-faq .faq-hero-copy {
  min-width: 0;
}
.page-faq .faq-h1 {
  font-family: var(--font-display);
  font-size: clamp(2.15rem, 6.4vw, 4.1rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0.55rem 0 1.1rem;
}
.page-faq .faq-h1 span {
  display: inline-block;
  color: var(--c-orange);
  transform: rotate(-1.6deg);
  transform-origin: left bottom;
}
.page-faq .faq-lede {
  max-width: 48ch;
  margin: 0 0 0.85rem;
  font-size: clamp(0.98rem, 1.5vw, 1.08rem);
  line-height: 1.78;
  color: var(--c-bone);
}
.page-faq .faq-lede--sub {
  color: var(--c-dust);
  font-size: 0.92rem;
}
.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 1.3rem 0 0;
  padding: 0;
  list-style: none;
}
.page-faq .faq-jump a {
  display: inline-flex;
  align-items: center;
  padding: 0.42rem 0.85rem;
  font-size: 0.83rem;
  color: var(--c-bone);
  text-decoration: none;
  background: var(--c-graphite);
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px));
  transition: background 0.18s var(--faq-ease), color 0.18s var(--faq-ease);
}
.page-faq .faq-jump a:hover,
.page-faq .faq-jump a:focus-visible {
  background: var(--c-orange);
  color: var(--c-concrete);
}

/* 首屏图 */
.page-faq .faq-hero-fig {
  margin: 0;
  min-width: 0;
}
.page-faq .faq-hero-fig .img-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 12 / 7;
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}
.page-faq .faq-hero-fig .img-frame::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 54px;
  height: 54px;
  border-right: 3px solid var(--c-cyan);
  border-bottom: 3px solid var(--c-cyan);
  pointer-events: none;
}
.page-faq .faq-hero-fig img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-faq .img-frame-caption {
  display: block;
  margin-top: 0.7rem;
  padding-left: 0.85rem;
  border-left: 2px solid var(--c-orange);
  font-size: 0.83rem;
  line-height: 1.6;
  color: var(--c-dust);
}

/* 区块节奏 */
.page-faq .faq-sec {
  padding-block: clamp(1.5rem, 3.6vw, 2.6rem);
}
.page-faq .faq-h2 {
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 3.4vw, 2.4rem);
  line-height: 1.12;
  letter-spacing: -0.01em;
  margin: 0 0 0.5rem;
}
.page-faq .faq-sub {
  max-width: 54ch;
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.72;
  color: var(--c-dust);
}

/* 三步排查 */
.page-faq .step-rail {
  display: grid;
  gap: 0.85rem;
  margin-top: clamp(1.3rem, 3vw, 1.9rem);
}
.page-faq .step-item {
  position: relative;
  min-width: 0;
}
.page-faq .step-input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  overflow: hidden;
  white-space: nowrap;
}
.page-faq .step-card {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  box-sizing: border-box;
  width: 100%;
  height: 100%;
  padding: 1.25rem 1.15rem 1.1rem;
  background: var(--c-graphite);
  cursor: pointer;
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 16px 100%, 0 calc(100% - 16px));
  transition: background 0.2s var(--faq-ease), transform 0.2s var(--faq-ease);
}
.page-faq .step-card:hover {
  transform: translateY(-3px);
  background: #31353a;
}
.page-faq .step-num {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 2.9rem);
  line-height: 0.92;
  letter-spacing: 0.02em;
  color: var(--c-orange);
}
.page-faq .step-title {
  font-size: 1.04rem;
  font-weight: 700;
  color: var(--c-bone);
}
.page-faq .step-text {
  font-size: 0.88rem;
  line-height: 1.68;
  color: var(--c-dust);
}
.page-faq .step-tag {
  align-self: flex-start;
  margin-top: 0.35rem;
  padding: 0.2rem 0.6rem;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--c-dust);
  background: rgba(242, 243, 240, 0.07);
}
.page-faq .step-tag-on {
  display: none;
}
.page-faq .step-input:checked + .step-card {
  background: var(--c-orange);
}
.page-faq .step-input:checked + .step-card .step-num {
  color: rgba(30, 32, 35, 0.38);
}
.page-faq .step-input:checked + .step-card .step-title {
  color: var(--c-concrete);
}
.page-faq .step-input:checked + .step-card .step-text {
  color: rgba(30, 32, 35, 0.78);
}
.page-faq .step-input:checked + .step-card .step-tag {
  color: var(--c-concrete);
  background: rgba(30, 32, 35, 0.14);
}
.page-faq .step-input:checked + .step-card .step-tag-off {
  display: none;
}
.page-faq .step-input:checked + .step-card .step-tag-on {
  display: inline;
}
.page-faq .step-input:focus-visible + .step-card {
  box-shadow: inset 0 0 0 2px var(--c-cyan);
}

/* 三类现象 */
.page-faq .cat-board {
  background: var(--c-bone);
  color: var(--c-concrete);
  padding: clamp(1.4rem, 3.6vw, 2.5rem);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 30px), calc(100% - 30px) 100%, 0 100%);
}
.page-faq .cat-h2 {
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 3.2vw, 2.15rem);
  line-height: 1.14;
  margin: 0 0 0.45rem;
  color: var(--c-concrete);
}
.page-faq .cat-sub {
  max-width: 56ch;
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--c-steel);
}
.page-faq .cat-list {
  display: grid;
  gap: 0.55rem;
  margin-top: clamp(1.1rem, 3vw, 1.7rem);
}
.page-faq .cat-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.85rem;
  padding: 0.9rem 0.85rem;
  color: inherit;
  text-decoration: none;
  background: rgba(30, 32, 35, 0.05);
  border-left: 3px solid transparent;
  transition: background 0.18s var(--faq-ease), border-color 0.18s var(--faq-ease), transform 0.18s var(--faq-ease);
}
.page-faq .cat-row:hover,
.page-faq .cat-row:focus-visible {
  background: rgba(255, 90, 31, 0.14);
  border-left-color: var(--c-orange);
  transform: translateX(4px);
}
.page-faq .cat-idx {
  width: 2rem;
  font-family: var(--font-display);
  font-size: 1.55rem;
  line-height: 1;
  text-align: center;
  color: var(--c-orange-deep);
}
.page-faq .cat-body {
  min-width: 0;
}
.page-faq .cat-name {
  display: block;
  margin-bottom: 0.18rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--c-concrete);
}
.page-faq .cat-desc {
  display: block;
  font-size: 0.86rem;
  line-height: 1.6;
  color: var(--c-steel);
}
.page-faq .cat-go {
  font-size: 1.05rem;
  color: var(--c-orange-deep);
  transition: transform 0.18s var(--faq-ease);
}
.page-faq .cat-row:hover .cat-go {
  transform: translateX(4px);
}

/* 中段图 */
.page-faq .faq-mid {
  display: grid;
  gap: 1rem;
  margin: clamp(1.6rem, 3.6vw, 2.6rem) 0 0;
}
.page-faq .faq-mid .img-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 10 / 7;
  overflow: hidden;
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%);
}
.page-faq .faq-mid img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-faq .faq-mid-cap {
  align-self: end;
  padding-left: 1rem;
  border-left: 2px solid var(--c-cyan);
  font-size: clamp(0.95rem, 1.8vw, 1.15rem);
  line-height: 1.65;
  color: var(--c-dust);
}

/* 关键词输入 */
.page-faq .faq-filter {
  display: grid;
  gap: 0.4rem;
}
.page-faq .faq-filter-label {
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  color: var(--c-dust);
}
.page-faq .faq-input {
  appearance: none;
  box-sizing: border-box;
  width: 100%;
  padding: 0.6rem 0;
  font: inherit;
  font-size: 1rem;
  color: var(--c-bone);
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--c-steel);
  border-radius: 0;
  transition: border-color 0.2s var(--faq-ease);
}
.page-faq .faq-input::placeholder {
  color: #6d737a;
}
.page-faq .faq-input:focus {
  outline: none;
  border-bottom-color: var(--c-cyan);
  box-shadow: 0 1px 0 0 var(--c-cyan);
}

/* 问答块 */
.page-faq .faq-block-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.3rem 0.85rem;
  align-items: baseline;
  margin-bottom: clamp(0.9rem, 2.4vw, 1.5rem);
  padding-bottom: 0.9rem;
  border-bottom: 1px solid var(--c-steel);
}
.page-faq .faq-block-idx {
  grid-row: span 2;
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 4vw, 2.5rem);
  line-height: 1;
  color: var(--c-orange);
}
.page-faq .faq-block-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 3.2vw, 2.15rem);
  line-height: 1.12;
}
.page-faq .faq-block-head p {
  max-width: 60ch;
  margin: 0.12rem 0 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--c-dust);
}

.page-faq .qa {
  border-bottom: 1px solid rgba(67, 72, 78, 0.75);
}
.page-faq .qa-q {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0.2rem 1rem 0;
  font-size: clamp(0.96rem, 1.3vw, 1.06rem);
  font-weight: 600;
  line-height: 1.5;
  color: var(--c-bone);
  list-style: none;
  cursor: pointer;
  transition: color 0.18s var(--faq-ease);
}
.page-faq .qa-q::-webkit-details-marker {
  display: none;
}
.page-faq .qa-q:hover,
.page-faq .qa-q:focus-visible,
.page-faq .qa[open] .qa-q {
  color: var(--c-orange);
}
.page-faq .qa-sign {
  position: relative;
  flex: 0 0 auto;
  width: 14px;
  height: 14px;
  margin-top: 0.32rem;
}
.page-faq .qa-sign::before,
.page-faq .qa-sign::after {
  content: "";
  position: absolute;
  background: var(--c-orange);
}
.page-faq .qa-sign::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 2px;
}
.page-faq .qa-sign::after {
  left: 6px;
  top: 0;
  width: 2px;
  height: 14px;
  transition: transform 0.2s var(--faq-ease);
}
.page-faq .qa[open] .qa-sign::after {
  transform: scaleY(0);
}
.page-faq .qa-a {
  margin: 0 0 1rem 0.15rem;
  padding: 0 0 0.9rem 0.95rem;
  border-left: 2px solid var(--c-steel);
  font-size: 0.92rem;
  line-height: 1.76;
  color: #c9cdc9;
}
.page-faq .qa-a p {
  margin: 0 0 0.7rem;
}
.page-faq .qa-a p:last-child {
  margin-bottom: 0;
}
.page-faq .qa-steps {
  display: grid;
  gap: 0.32rem;
  margin: 0 0 0.7rem;
  padding-left: 1.15rem;
}
.page-faq .qa-steps li::marker {
  color: var(--c-orange);
}

/* 联系面板 */
.page-faq .ask-panel {
  display: grid;
  gap: clamp(1.3rem, 3vw, 2.3rem);
  padding: clamp(1.35rem, 3.5vw, 2.5rem);
  background: var(--c-graphite);
  clip-path: polygon(0 0, calc(100% - 26px) 0, 100% 26px, 100% 100%, 26px 100%, 0 calc(100% - 26px));
}
.page-faq .ask-h2 {
  margin: 0.4rem 0 0.7rem;
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 3.2vw, 2.1rem);
  line-height: 1.14;
}
.page-faq .ask-text {
  margin: 0 0 1rem;
  font-size: 0.93rem;
  line-height: 1.72;
  color: var(--c-dust);
}
.page-faq .ask-check {
  display: grid;
  gap: 0.5rem;
  margin: 0 0 1.2rem;
  padding: 0;
  list-style: none;
}
.page-faq .ask-check li {
  position: relative;
  padding-left: 1.2rem;
  font-size: 0.89rem;
  line-height: 1.65;
  color: var(--c-bone);
}
.page-faq .ask-check li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 8px;
  height: 8px;
  background: var(--c-cyan);
}
.page-faq .ask-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}
.page-faq .ask-contact {
  display: grid;
  gap: 0.65rem;
  margin: 0 0 1rem;
}
.page-faq .ask-contact > div {
  padding-bottom: 0.55rem;
  border-bottom: 1px solid var(--c-steel);
}
.page-faq .ask-contact dt {
  font-size: 0.73rem;
  letter-spacing: 0.08em;
  color: var(--c-dust);
}
.page-faq .ask-contact dd {
  margin: 0.15rem 0 0;
  font-size: 0.93rem;
  line-height: 1.6;
  color: var(--c-bone);
  word-break: break-word;
}
.page-faq .ask-hours {
  margin: 0 0 0.6rem;
  font-size: 0.85rem;
  line-height: 1.65;
  color: var(--c-dust);
}
.page-faq .ask-note {
  margin: 0;
  font-size: 0.83rem;
  line-height: 1.7;
  color: var(--c-dust);
}
.page-faq .ask-note a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 255, 0.45);
}
.page-faq .ask-note a:hover {
  color: var(--c-orange);
  border-bottom-color: var(--c-orange);
}

/* 平板与桌面 */
@media (min-width: 720px) {
  .page-faq .step-rail {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
  }
  .page-faq .cat-row:nth-child(2) {
    margin-left: clamp(0px, 3%, 34px);
  }
  .page-faq .cat-row:nth-child(3) {
    margin-left: clamp(0px, 6%, 68px);
  }
}

@media (min-width: 880px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: center;
  }
  .page-faq .faq-hero-fig {
    transform: translateY(-12px);
  }
  .page-faq .faq-mid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: clamp(1.4rem, 3.5vw, 2.6rem);
    align-items: end;
  }
  .page-faq .ask-panel {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  }
  .page-faq .qa {
    display: grid;
    grid-template-columns: minmax(0, 44%) minmax(0, 1fr);
    column-gap: clamp(1.4rem, 3.5vw, 2.8rem);
    align-items: start;
  }
  .page-faq .qa-q {
    padding-right: 1rem;
  }
  .page-faq .qa-a {
    margin-top: 12px;
    margin-left: 0;
    padding-left: 1.1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .step-card,
  .page-faq .cat-row,
  .page-faq .faq-jump a,
  .page-faq .qa-sign::after,
  .page-faq .cat-go,
  .page-faq .faq-hero-fig {
    transition: none;
    transform: none;
  }
  .page-faq .faq-hero-fig {
    transform: none;
  }
}
<<<END>>>