.page-faq {
  background: var(--cream);
  color: var(--brown);
}

.page-faq .breadcrumb {
  padding-block: clamp(14px, 2.4vw, 22px) 0;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  display: grid;
  gap: clamp(28px, 5vw, 52px);
  align-items: center;
}

@media (min-width: 960px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
  }
}

.page-faq .faq-hero__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(32px, 6.2vw, 62px);
  line-height: 1.08;
  letter-spacing: -0.015em;
  margin: 14px 0 0;
  color: var(--cream);
  text-wrap: balance;
}

.page-faq .faq-hero__lead {
  margin: 20px 0 0;
  max-width: 48ch;
  font-size: clamp(15px, 2.2vw, 17.5px);
  line-height: 1.8;
  color: var(--silver);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-faq .faq-hero__keys {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .faq-hero__keys li {
  position: relative;
  padding-left: 16px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--silver);
}

.page-faq .faq-hero__keys li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 3px;
  height: 14px;
  background: var(--cyan);
}

.page-faq .faq-hero__keys strong {
  color: var(--cyan);
  font-weight: 700;
  margin-right: 6px;
}

.page-faq .faq-hero__media {
  margin: 0;
  border: 2px solid rgba(0, 229, 255, 0.5);
  box-shadow: 12px 12px 0 rgba(0, 229, 255, 0.16);
  background: var(--ink-soft);
}

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

.page-faq .faq-hero__media .media__caption {
  padding: 12px 14px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--silver);
}

/* ---------- 教程骨架 ---------- */
.page-faq .faq-layout {
  --faq-gap: clamp(28px, 4vw, 52px);
  gap: var(--faq-gap);
}

.page-faq .faq-rail__num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan-ink);
  margin-right: 8px;
}

.page-faq .faq-rail__note {
  margin: 22px 0 0;
  padding-top: 16px;
  border-top: var(--rule);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--slate);
}

.page-faq .faq-rail__note a {
  color: var(--ink);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

@media (min-width: 1080px) {
  .page-faq .rail {
    position: sticky;
    top: 96px;
    align-self: start;
  }
}

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

/* ---------- 教程区块 ---------- */
.page-faq .faq-block {
  padding-block: clamp(30px, 5vw, 54px);
  border-top: 2px solid rgba(30, 26, 22, 0.9);
}

.page-faq .faq-block:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-faq .faq-block__head {
  display: grid;
  gap: 8px;
  margin-bottom: clamp(20px, 3vw, 30px);
}

.page-faq .faq-block__num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--cyan-ink);
}

.page-faq .faq-block__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(24px, 3.6vw, 38px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--brown);
  text-wrap: balance;
}

.page-faq .faq-block__lead {
  margin: 0;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--slate);
}

/* ---------- 步骤卡片 ---------- */
.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-faq .faq-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 18px 18px 18px 16px;
  background: #fff;
  border: 2px solid var(--brown);
  box-shadow: 4px 4px 0 rgba(30, 26, 22, 0.9);
  transition: transform 0.22s var(--ease), box-shadow 0.22s var(--ease);
}

.page-faq .faq-step:hover {
  transform: translate(-3px, -3px);
  box-shadow: 7px 7px 0 rgba(10, 31, 60, 0.9);
}

.page-faq .faq-step__idx {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background: var(--ink);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  line-height: 1;
}

.page-faq .faq-step__title {
  margin: 2px 0 6px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.4;
  color: var(--brown);
}

.page-faq .faq-step__text {
  margin: 0;
  font-size: 14.8px;
  line-height: 1.78;
  color: var(--slate);
}

.page-faq .faq-step__text a {
  color: var(--cyan-ink);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 2px;
}

.page-faq .faq-step__text a:hover {
  color: var(--ink);
}

@media (min-width: 760px) {
  .page-faq .faq-steps:not(.faq-steps--compact) {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-faq .faq-steps:not(.faq-steps--compact) .faq-step {
    grid-template-columns: minmax(0, 1fr);
    align-content: start;
    gap: 12px;
  }
}

/* ---------- 服务通道分区 ---------- */
.page-faq .faq-split {
  display: grid;
  gap: 22px;
  margin-bottom: 24px;
}

@media (min-width: 860px) {
  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }
}

.page-faq .faq-split__media {
  margin: 0;
  border: 2px solid var(--brown);
  box-shadow: var(--shadow-blue);
  background: var(--mist);
}

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

.page-faq .faq-split__media .media__caption {
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--slate);
}

.page-faq .faq-split__side {
  padding: 20px 18px;
  background: var(--mist);
  border: 2px solid rgba(10, 31, 60, 0.85);
}

.page-faq .faq-mini-label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--slate);
}

.page-faq .faq-tags {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-mini-note {
  margin: 16px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--slate);
}

/* ---------- 上门流程深色面板 ---------- */
.page-faq .faq-panel--ink {
  position: relative;
  padding: clamp(22px, 3.4vw, 34px) clamp(18px, 3vw, 30px);
  background: linear-gradient(140deg, var(--ink) 0%, var(--ink-deep) 100%);
  color: var(--cream);
  border: 2px solid var(--ink-deep);
  box-shadow: 8px 8px 0 rgba(0, 229, 255, 0.2);
}

.page-faq .faq-flow__deco {
  display: block;
  width: 100%;
  height: 14px;
  margin-bottom: 18px;
}

.page-faq .faq-flow__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 20px;
}

@media (min-width: 800px) {
  .page-faq .faq-flow__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
  }
}

.page-faq .faq-flow__item {
  position: relative;
  padding: 26px 16px 18px;
  border-top: 2px solid rgba(0, 229, 255, 0.4);
}

.page-faq .faq-flow__item::before {
  content: "";
  position: absolute;
  top: -8px;
  left: 16px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 5px rgba(0, 229, 255, 0.16);
}

.page-faq .faq-flow__title {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 17px;
  color: var(--cream);
}

.page-faq .faq-flow__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--silver);
}

.page-faq .faq-flow__stats {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(20px, 5vw, 54px);
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1px solid rgba(199, 208, 219, 0.28);
}

.page-faq .faq-flow__stats .stat__num {
  font-family: var(--font-mono);
  font-size: clamp(26px, 4vw, 36px);
  font-weight: 700;
  color: var(--cyan);
  line-height: 1;
}

.page-faq .faq-flow__stats .stat__label {
  display: block;
  margin-top: 8px;
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--silver);
}

.page-faq .faq-tail-link {
  margin: 20px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--slate);
}

.page-faq .faq-tail-link a {
  color: var(--ink);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 2px;
}

.page-faq .faq-tail-link strong {
  font-family: var(--font-mono);
  color: var(--amber);
  font-weight: 700;
}

/* ---------- 资质四维度 ---------- */
.page-faq .faq-dims {
  display: grid;
  gap: 14px;
}

@media (min-width: 620px) {
  .page-faq .faq-dims {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .page-faq .faq-dims {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-faq .faq-dim {
  padding: 20px 18px;
  background: #fff;
  border: 2px solid var(--brown);
  border-left: 6px solid var(--cyan);
  transition: border-left-color 0.22s var(--ease), transform 0.22s var(--ease);
}

.page-faq .faq-dim:hover {
  border-left-color: var(--amber);
  transform: translateY(-3px);
}

.page-faq .faq-dim__title {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 16.5px;
  color: var(--ink);
}

.page-faq .faq-dim__text {
  margin: 0;
  font-size: 14.2px;
  line-height: 1.75;
  color: var(--slate);
}

.page-faq .faq-qual-note {
  margin-top: 20px;
  padding: 18px 20px;
  background: var(--mist);
  border-left: 6px solid var(--amber);
}

.page-faq .faq-qual-note__text {
  margin: 0;
  font-size: 14.6px;
  line-height: 1.8;
  color: var(--brown);
}

.page-faq .faq-qual-note strong {
  font-family: var(--font-mono);
  color: var(--ink);
  font-weight: 700;
}

.page-faq .faq-qual-note a {
  color: var(--cyan-ink);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 资料库检索 ---------- */
.page-faq .faq-finder {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid rgba(30, 26, 22, 0.18);
}

.page-faq .faq-finder__item {
  padding: 22px 4px;
  border-bottom: 1px solid rgba(30, 26, 22, 0.18);
}

@media (min-width: 780px) {
  .page-faq .faq-finder__item {
    display: grid;
    grid-template-columns: 150px minmax(0, 1fr);
    grid-template-areas:
      "tag title"
      "tag text";
    column-gap: 22px;
    align-items: start;
  }
  .page-faq .faq-finder__tag {
    grid-area: tag;
  }
  .page-faq .faq-finder__title {
    grid-area: title;
  }
  .page-faq .faq-finder__text {
    grid-area: text;
  }
}

.page-faq .faq-finder__tag {
  display: inline-block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--cyan-ink);
  padding: 3px 8px;
  border: 1px solid var(--cyan);
  background: rgba(0, 229, 255, 0.08);
}

.page-faq .faq-finder__title {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 18px;
  color: var(--brown);
}

.page-faq .faq-finder__text {
  margin: 0;
  max-width: 66ch;
  font-size: 14.8px;
  line-height: 1.8;
  color: var(--slate);
}

/* ---------- 折叠问答 ---------- */
.page-faq .accordion {
  border-top: 2px solid var(--brown);
}

.page-faq .accordion__item {
  border-bottom: 2px solid var(--brown);
}

.page-faq .accordion__btn {
  width: 100%;
  background: transparent;
  border: 0;
  padding: 20px 4px;
  text-align: left;
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--brown);
  cursor: pointer;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  transition: color 0.2s var(--ease), padding-left 0.2s var(--ease);
}

.page-faq .accordion__btn:hover {
  color: var(--cyan-ink);
  padding-left: 10px;
}

.page-faq .accordion__item.is-open .accordion__btn {
  color: var(--ink);
}

.page-faq .accordion__inner {
  padding: 0 4px 22px;
}

.page-faq .accordion__inner p {
  margin: 0;
  max-width: 68ch;
  font-size: 14.8px;
  line-height: 1.85;
  color: var(--slate);
}

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

/* ---------- 结尾行动区 ---------- */
.page-faq .faq-cta {
  display: grid;
  gap: 24px;
  align-items: center;
  padding: clamp(26px, 4vw, 44px) clamp(20px, 3.4vw, 40px);
  background: var(--ink);
  color: var(--cream);
  border: 2px solid var(--ink-deep);
  box-shadow: 10px 10px 0 rgba(255, 138, 61, 0.32);
}

@media (min-width: 880px) {
  .page-faq .faq-cta {
    grid-template-columns: minmax(0, 1.4fr) auto;
    gap: 40px;
  }
}

.page-faq .faq-cta__title {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(22px, 3.2vw, 34px);
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--cream);
  text-wrap: balance;
}

.page-faq .faq-cta__lead {
  margin: 0;
  max-width: 54ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--silver);
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-step,
  .page-faq .faq-dim,
  .page-faq .accordion__btn {
    transition: none;
  }
  .page-faq .faq-step:hover,
  .page-faq .faq-dim:hover {
    transform: none;
  }
}