.page-faq {
  --faq-hair: #22415d;
  --faq-line: #27496a;
  --faq-soft: #c6d2dd;
  --faq-paper-ink: #1b2832;
  --faq-paper-soft: #41505e;
  background: var(--night);
  color: var(--paper);
  overflow-x: clip;
}

.page-faq * {
  min-width: 0;
}

/* ---------- 顶部步骤索引条 ---------- */
.page-faq .faq-index {
  border-bottom: 3px solid var(--ink);
  background: var(--night-2);
  padding: 1.1rem 0 1.2rem;
}

.page-faq .faq-index__inner {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.page-faq .faq-index__meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-faq .faq-index__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-index__link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.42rem 0.72rem;
  border: 2px solid var(--faq-line);
  background: var(--night);
  color: var(--paper);
  font-size: 0.86rem;
  line-height: 1.2;
  text-decoration: none;
  transition: border-color var(--ease), transform var(--ease), background-color var(--ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  border-color: var(--pitch-bright);
  transform: translateY(-2px);
}

.page-faq .faq-index__link[aria-current] {
  border-color: var(--pitch-bright);
  background: #103520;
}

.page-faq .faq-index__num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--amber);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: clamp(1.75rem, 5vw, 3.5rem) 0 clamp(2rem, 5vw, 3.5rem);
  background:
    radial-gradient(110% 80% at 96% 0%, rgba(31, 138, 76, 0.3), transparent 62%),
    linear-gradient(165deg, var(--night) 0%, var(--night-2) 100%);
  border-bottom: 3px solid var(--ink);
}

.page-faq .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0 0 1.1rem;
  padding: 0;
  list-style: none;
  font-size: 0.8rem;
  color: var(--fog);
}

.page-faq .breadcrumb__link {
  color: var(--fog);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-faq .breadcrumb__link:hover {
  color: var(--pitch-bright);
  border-bottom-color: var(--pitch-bright);
}

.page-faq .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  margin-right: 0.45rem;
  color: var(--faq-line);
}

.page-faq .breadcrumb__current {
  color: var(--paper);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 1.75rem;
}

.page-faq .faq-hero__tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--pitch-bright);
}

.page-faq .faq-hero__tag::before {
  content: "";
  width: 0.7rem;
  height: 0.7rem;
  background: var(--pitch);
  box-shadow: 3px 3px 0 var(--ink);
}

.page-faq .faq-hero__title {
  margin: 0 0 1rem;
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: clamp(1.95rem, 7vw, 3.4rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--paper);
}

.page-faq .faq-hero__lede {
  margin: 0;
  max-width: 34em;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--faq-soft);
}

/* 场景跳转卡 */
.page-faq .faq-scene {
  border: 3px solid var(--ink);
  background: linear-gradient(155deg, #16324b 0%, var(--night-3) 100%);
  box-shadow: 6px 6px 0 var(--pitch);
  padding: 1.1rem 1.15rem 1.25rem;
}

.page-faq .faq-scene__title {
  margin: 0 0 0.7rem;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.02rem;
  letter-spacing: 0.01em;
  color: var(--amber);
}

.page-faq .faq-scene__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-scene__item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.65rem;
  padding: 0.62rem 0;
  border-bottom: 1px dashed var(--faq-hair);
  color: var(--paper);
  font-size: 0.92rem;
  line-height: 1.4;
  text-decoration: none;
  transition: color var(--ease), transform var(--ease);
}

.page-faq .faq-scene__list li:last-child .faq-scene__item {
  border-bottom: 0;
}

.page-faq .faq-scene__item:hover,
.page-faq .faq-scene__item:focus-visible {
  color: var(--pitch-bright);
  transform: translateX(3px);
}

.page-faq .faq-scene__k {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--amber);
}

.page-faq .faq-scene__go {
  font-family: var(--font-mono);
  color: var(--fog);
}

/* ---------- 步骤区 ---------- */
.page-faq .faq-steps {
  padding-top: clamp(1.75rem, 5vw, 3.25rem);
  padding-bottom: clamp(2rem, 6vw, 3.5rem);
}

.page-faq .step {
  margin-bottom: clamp(1.25rem, 4vw, 2rem);
  padding: clamp(1.15rem, 4vw, 2.2rem);
  border: 3px solid var(--ink);
  background: var(--night-2);
  box-shadow: 6px 6px 0 var(--pitch);
  scroll-margin-top: 7rem;
}

.page-faq .step__head {
  display: flex;
  align-items: flex-start;
  gap: 0.9rem;
  margin-bottom: 1.2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--faq-hair);
}

.page-faq .step__num {
  flex: none;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(2rem, 8vw, 3.3rem);
  line-height: 0.85;
  color: var(--amber);
  letter-spacing: -0.03em;
}

.page-faq .step__title {
  margin: 0 0 0.5rem;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(1.2rem, 4.2vw, 1.75rem);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .step__lede {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--faq-soft);
}

.page-faq .step__cols {
  display: grid;
  gap: 1.25rem;
}

.page-faq .step__foot {
  margin: 1.1rem 0 0;
  padding-top: 0.85rem;
  border-top: 1px solid var(--faq-hair);
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--fog);
}

.page-faq .step__link {
  color: var(--pitch-bright);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.page-faq .step__link:hover {
  color: var(--amber);
}

/* 可勾选步骤清单 */
.page-faq .check-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.55rem;
}

.page-faq .check-list__label {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  padding: 0.6rem 0.7rem;
  border: 2px solid transparent;
  background: #0f2437;
  cursor: pointer;
  transition: border-color var(--ease), background-color var(--ease);
}

.page-faq .check-list__label:hover {
  border-color: var(--faq-line);
}

.page-faq .check-list__box {
  flex: none;
  width: 1.15rem;
  height: 1.15rem;
  margin: 0.15rem 0 0;
  accent-color: var(--pitch-bright);
  cursor: pointer;
}

.page-faq .check-list__text {
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--paper);
  transition: color var(--ease);
}

.page-faq .check-list__note {
  display: block;
  margin-top: 0.2rem;
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--fog);
}

.page-faq .check-list__box:checked + .check-list__text {
  color: var(--fog);
}

.page-faq .check-list__box:checked + .check-list__text .check-list__note {
  color: #7d8b98;
}

.page-faq .check-list__label:has(.check-list__box:checked) {
  background: #0c2134;
  border-color: rgba(53, 196, 111, 0.4);
}

.page-faq .check-list__box:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

/* 图片容器 */
.page-faq .media-frame {
  margin: 0;
  border: 3px solid var(--ink);
  background: var(--night-3);
  box-shadow: 5px 5px 0 var(--pitch);
  overflow: hidden;
}

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

.page-faq .media-frame__caption {
  padding: 0.65rem 0.85rem;
  font-size: 0.78rem;
  line-height: 1.5;
  color: var(--fog);
  border-top: 1px solid var(--faq-hair);
}

/* 前瞻 / 战绩 对照 */
.page-faq .faq-compare {
  display: grid;
  gap: 0.7rem;
  margin-top: 1.25rem;
}

.page-faq .faq-compare__col {
  padding: 0.95rem 1rem;
  border: 2px solid var(--faq-line);
  background: #0f2437;
}

.page-faq .faq-compare__col--alt {
  border-color: rgba(245, 184, 65, 0.55);
  background: #1a2333;
}

.page-faq .faq-compare__tag {
  margin: 0 0 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-faq .faq-compare__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.45rem;
}

.page-faq .faq-compare__list li {
  position: relative;
  padding-left: 0.95rem;
  font-size: 0.9rem;
  line-height: 1.55;
  color: var(--faq-soft);
}

.page-faq .faq-compare__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 0.4rem;
  height: 0.4rem;
  background: var(--pitch);
}

/* 约看信息项 */
.page-faq .faq-req {
  display: grid;
  gap: 0.55rem;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  margin-bottom: 1.2rem;
}

.page-faq .faq-req__item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.65rem 0.8rem;
  border-left: 4px solid var(--pitch);
  background: #0f2437;
}

.page-faq .faq-req__k {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--amber);
}

.page-faq .faq-req__v {
  font-size: 0.88rem;
  line-height: 1.45;
  color: var(--paper);
}

/* ---------- 浅底排查区 ---------- */
.page-faq .step--paper {
  background: var(--paper);
  color: var(--faq-paper-ink);
  box-shadow: 6px 6px 0 var(--amber);
}

.page-faq .step--paper .step__head {
  border-bottom-color: rgba(7, 16, 24, 0.18);
}

.page-faq .step--paper .step__num {
  color: var(--pitch);
}

.page-faq .step--paper .step__title {
  color: var(--faq-paper-ink);
}

.page-faq .step--paper .step__lede {
  color: var(--faq-paper-soft);
}

.page-faq .faq-list {
  display: grid;
  gap: 0.6rem;
}

.page-faq .faq-item {
  border: 2px solid var(--ink);
  background: #fffcf4;
  box-shadow: 3px 3px 0 rgba(7, 16, 24, 0.14);
  transition: box-shadow var(--ease);
}

.page-faq .faq-item[open] {
  box-shadow: 5px 5px 0 rgba(31, 138, 76, 0.45);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.9rem;
  padding: 0.8rem 0.95rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  line-height: 1.45;
  color: var(--faq-paper-ink);
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item__q::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  line-height: 1;
  color: var(--pitch);
}

.page-faq .faq-item[open] .faq-item__q::after {
  content: "–";
}

.page-faq .faq-item__q:focus-visible {
  outline: 2px solid var(--pitch);
  outline-offset: -2px;
}

.page-faq .faq-item__body {
  margin: 0;
  padding: 0 0.95rem 0.95rem;
  font-size: 0.9rem;
  line-height: 1.75;
  color: #33414d;
}

/* ---------- 结尾去向 ---------- */
.page-faq .faq-next {
  padding: clamp(2rem, 5vw, 3.25rem) 0 clamp(2.5rem, 7vw, 4.5rem);
  background: linear-gradient(180deg, var(--night) 0%, var(--night-3) 100%);
  border-top: 3px solid var(--ink);
}

.page-faq .faq-next__title {
  margin: 0 0 0.6rem;
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: clamp(1.3rem, 4.6vw, 2rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-faq .faq-next__lede {
  margin: 0 0 1.3rem;
  max-width: 40em;
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--fog);
}

.page-faq .faq-next__grid {
  display: grid;
  gap: 0.7rem;
  grid-template-columns: 1fr;
}

.page-faq .faq-next__card {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 0.95rem 1rem;
  border: 2px solid var(--faq-line);
  background: var(--night-2);
  color: var(--paper);
  text-decoration: none;
  transition: transform var(--ease), border-color var(--ease), background-color var(--ease);
}

.page-faq .faq-next__card:hover,
.page-faq .faq-next__card:focus-visible {
  transform: translateY(-3px);
  border-color: var(--pitch-bright);
  background: #103520;
}

.page-faq .faq-next__k {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1rem;
  color: var(--amber);
}

.page-faq .faq-next__d {
  font-size: 0.86rem;
  line-height: 1.55;
  color: var(--faq-soft);
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-next__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 880px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: start;
    gap: 2.75rem;
  }

  .page-faq .step__cols {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.88fr);
    align-items: start;
    gap: 1.6rem;
  }

  .page-faq .faq-steps > .step:nth-child(even) {
    margin-left: clamp(0px, 4vw, 46px);
  }

  .page-faq .step--paper .faq-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
  }

  .page-faq .step--paper .faq-item:last-child:nth-child(odd) {
    grid-column: 1 / -1;
  }
}

@media (min-width: 1100px) {
  .page-faq .faq-next__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-scene {
    padding: 1.35rem 1.4rem 1.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index__link,
  .page-faq .faq-scene__item,
  .page-faq .faq-next__card,
  .page-faq .check-list__label {
    transition: none;
  }

  .page-faq .faq-index__link:hover,
  .page-faq .faq-scene__item:hover,
  .page-faq .faq-next__card:hover {
    transform: none;
  }
}

@media print {
  .page-faq {
    background: #fff;
    color: #111;
  }

  .page-faq .faq-index,
  .page-faq .faq-scene,
  .page-faq .faq-next,
  .page-faq .breadcrumb {
    display: none;
  }

  .page-faq .faq-hero {
    background: #fff;
    border-bottom: 1px solid #999;
    padding: 0 0 1rem;
  }

  .page-faq .faq-hero__title,
  .page-faq .step__title,
  .page-faq .faq-next__title {
    color: #111;
  }

  .page-faq .faq-hero__lede,
  .page-faq .step__lede,
  .page-faq .step__foot,
  .page-faq .check-list__text,
  .page-faq .check-list__note,
  .page-faq .faq-compare__list li,
  .page-faq .faq-req__v {
    color: #222;
  }

  .page-faq .step,
  .page-faq .step--paper {
    background: #fff;
    color: #111;
    border: 1px solid #999;
    box-shadow: none;
    margin-left: 0;
    break-inside: avoid;
  }

  .page-faq .step__num {
    color: #1f8a4c;
  }

  .page-faq .check-list__label,
  .page-faq .faq-compare__col,
  .page-faq .faq-req__item {
    background: #fff;
    border: 1px solid #ccc;
  }

  .page-faq .faq-item {
    box-shadow: none;
    break-inside: avoid;
  }
}