.page-faq {
  --faq-gap: clamp(16px, 2.2vw, 28px);
  --faq-cut: 22px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: clamp(26px, 4.5vw, 52px) 0 clamp(40px, 6vw, 76px);
}

.page-faq .faq-hero .blg-crumb {
  margin-bottom: clamp(18px, 3vw, 30px);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

.page-faq .faq-hero__title {
  font-family: var(--serif);
  font-weight: 800;
  font-size: clamp(32px, 6.2vw, 66px);
  line-height: 1.1;
  letter-spacing: 0.01em;
  margin: 14px 0 0;
  color: var(--porcelain);
}

.page-faq .faq-hero__title span {
  display: block;
  color: var(--gold-soft);
}

.page-faq .faq-hero__copy .blg-lede {
  margin-top: clamp(14px, 2vw, 20px);
  max-width: 46ch;
  color: rgba(244, 241, 232, 0.86);
}

.page-faq .faq-hero__copy .blg-btn-row {
  margin-top: clamp(18px, 2.5vw, 28px);
}

.page-faq .faq-hero__media {
  margin: 0;
}

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

.page-faq .faq-hero__stats {
  margin-top: clamp(28px, 4vw, 48px);
}

.page-faq .faq-hero__stats .blg-stat__value {
  color: var(--gold-soft);
}

.page-faq .faq-hero__stats .blg-stat__label {
  color: rgba(244, 241, 232, 0.74);
}

/* ---------- 主体骨架 ---------- */
.page-faq .faq-body {
  padding: clamp(40px, 6vw, 84px) 0;
}

.page-faq .faq-body__grid {
  display: grid;
  gap: clamp(26px, 3.4vw, 52px);
}

.page-faq .faq-anchor__note {
  margin-top: 14px;
}

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

/* ---------- 章节 ---------- */
.page-faq .faq-chapter {
  padding-bottom: clamp(30px, 4.5vw, 58px);
  margin-bottom: clamp(30px, 4.5vw, 58px);
  border-bottom: 1px solid rgba(28, 90, 74, 0.24);
}

.page-faq .faq-chapter:last-child {
  border-bottom: 0;
  margin-bottom: 0;
  padding-bottom: 0;
}

.page-faq .faq-chapter__head {
  display: flex;
  gap: clamp(12px, 1.8vw, 22px);
  align-items: flex-start;
  margin-bottom: clamp(14px, 2vw, 24px);
}

.page-faq .faq-chapter .blg-text {
  max-width: 68ch;
}

/* ---------- 分档质保 ---------- */
.page-faq .faq-tiers {
  display: grid;
  gap: var(--faq-gap);
  margin-top: clamp(18px, 2.6vw, 30px);
}

.page-faq .faq-tier {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(20px, 2.4vw, 30px);
  clip-path: polygon(var(--faq-cut) 0, 100% 0, 100% 100%, 0 100%, 0 var(--faq-cut));
}

.page-faq .faq-tier--1 {
  background: var(--porcelain);
  border: 1px solid rgba(28, 90, 74, 0.26);
  color: var(--black);
}

.page-faq .faq-tier--2 {
  background: var(--ink-800);
  color: var(--porcelain);
}

.page-faq .faq-tier--3 {
  background: var(--ink-900);
  color: var(--porcelain);
}

.page-faq .faq-tier__name {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-faq .faq-tier--1 .faq-tier__name {
  color: var(--ink-600);
}

.page-faq .faq-tier__price {
  margin: 0;
  font-family: var(--mono);
  font-size: clamp(38px, 4.6vw, 54px);
  font-weight: 700;
  line-height: 1;
  color: var(--gold);
}

.page-faq .faq-tier--1 .faq-tier__price {
  color: var(--ink-800);
}

.page-faq .faq-tier__price span {
  font-size: 0.34em;
  margin-left: 5px;
  letter-spacing: 0.08em;
}

.page-faq .faq-tier .blg-list {
  margin: 0;
}

.page-faq .faq-tier .blg-list__item {
  font-size: 15px;
  line-height: 1.7;
}

.page-faq .faq-tier--2 .blg-list__item,
.page-faq .faq-tier--3 .blg-list__item {
  color: rgba(244, 241, 232, 0.88);
}

.page-faq .faq-note-block {
  margin-top: clamp(20px, 3vw, 32px);
  padding: clamp(18px, 2.2vw, 26px);
  background: var(--porcelain);
  border-left: 4px solid var(--cinnabar);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}

.page-faq .faq-note-block__title {
  margin: 0 0 8px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--cinnabar);
}

.page-faq .faq-note-block .blg-text {
  margin: 0;
}

/* ---------- 四步步骤条 ---------- */
.page-faq .faq-return__media {
  margin: clamp(18px, 2.6vw, 30px) 0 0;
}

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

.page-faq .faq-steps {
  list-style: none;
  margin: clamp(22px, 3vw, 36px) 0 0;
  padding: 0;
  display: grid;
  gap: var(--faq-gap);
}

.page-faq .faq-step {
  padding: clamp(18px, 2.2vw, 26px) clamp(16px, 2vw, 24px);
  background: var(--porcelain);
  border-top: 2px solid var(--ink-600);
  transition: border-color var(--t) var(--ease), transform var(--t) var(--ease);
}

.page-faq .faq-step:hover,
.page-faq .faq-step:focus-within {
  border-top-color: var(--gold);
  transform: translateY(-2px);
}

.page-faq .faq-step__num {
  display: inline-block;
  font-family: var(--mono);
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 10px;
  color: var(--gold);
  transition: color var(--t) var(--ease);
}

.page-faq .faq-step:hover .faq-step__num,
.page-faq .faq-step:focus-within .faq-step__num {
  color: var(--cinnabar);
}

.page-faq .faq-step__title {
  margin: 0 0 8px;
  font-size: 19px;
  font-weight: 700;
  color: var(--ink-900);
}

.page-faq .faq-step__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--black);
}

.page-faq .faq-step__hover {
  position: relative;
  margin: 10px 0 0;
  padding-top: 10px;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  font-size: 13px;
  line-height: 1.6;
  color: var(--slate);
  transition: max-height var(--t) var(--ease), opacity var(--t) var(--ease);
}

.page-faq .faq-step__hover::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  border-top: 1px dashed rgba(28, 90, 74, 0.34);
}

.page-faq .faq-step:hover .faq-step__hover,
.page-faq .faq-step:focus-within .faq-step__hover {
  max-height: 8em;
  opacity: 1;
}

/* ---------- 文档入口 ---------- */
.page-faq .faq-roles {
  display: grid;
  gap: 12px;
  margin-top: clamp(18px, 2.4vw, 26px);
}

.page-faq .faq-role {
  padding: 16px 18px;
  background: var(--porcelain);
  border-left: 3px solid var(--gold);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
}

.page-faq .faq-role__tag {
  display: inline-block;
  margin-bottom: 6px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--ink-600);
}

.page-faq .faq-role p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--black);
}

.page-faq .faq-docs {
  position: relative;
  margin-top: clamp(24px, 3.4vw, 40px);
}

.page-faq .faq-docs__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-faq .faq-docs__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-docs__tab {
  cursor: pointer;
  padding: 10px 16px;
  font-size: 15px;
  font-weight: 700;
  color: var(--ink-800);
  background: transparent;
  border: 1px solid rgba(28, 90, 74, 0.38);
  transition: background var(--t) var(--ease), color var(--t) var(--ease), border-color var(--t) var(--ease);
}

.page-faq .faq-docs__tab:hover {
  border-color: var(--gold);
  color: var(--ink-900);
}

.page-faq #faq-stage-1:checked ~ .faq-docs__tabs label[for="faq-stage-1"],
.page-faq #faq-stage-2:checked ~ .faq-docs__tabs label[for="faq-stage-2"],
.page-faq #faq-stage-3:checked ~ .faq-docs__tabs label[for="faq-stage-3"],
.page-faq #faq-stage-4:checked ~ .faq-docs__tabs label[for="faq-stage-4"] {
  background: var(--ink-800);
  color: var(--gold-soft);
  border-color: var(--ink-800);
}

.page-faq #faq-stage-1:focus-visible ~ .faq-docs__tabs label[for="faq-stage-1"],
.page-faq #faq-stage-2:focus-visible ~ .faq-docs__tabs label[for="faq-stage-2"],
.page-faq #faq-stage-3:focus-visible ~ .faq-docs__tabs label[for="faq-stage-3"],
.page-faq #faq-stage-4:focus-visible ~ .faq-docs__tabs label[for="faq-stage-4"] {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.page-faq .faq-docs__panels {
  margin-top: clamp(18px, 2.4vw, 26px);
}

.page-faq .faq-docs__panel {
  display: none;
  padding: clamp(18px, 2.4vw, 28px);
  background: var(--porcelain);
  border-top: 3px solid var(--gold);
}

.page-faq #faq-stage-1:checked ~ .faq-docs__panels .faq-docs__panel--1,
.page-faq #faq-stage-2:checked ~ .faq-docs__panels .faq-docs__panel--2,
.page-faq #faq-stage-3:checked ~ .faq-docs__panels .faq-docs__panel--3,
.page-faq #faq-stage-4:checked ~ .faq-docs__panels .faq-docs__panel--4 {
  display: block;
}

.page-faq .faq-docs__panel-title {
  margin: 0 0 8px;
  font-size: 20px;
  font-weight: 700;
  color: var(--ink-900);
}

.page-faq .faq-docs__panel .blg-text {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.75;
}

.page-faq .faq-doc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-doc {
  padding: 14px 16px;
  background: rgba(228, 223, 210, 0.6);
  border-left: 2px solid var(--ink-600);
}

.page-faq .faq-doc__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 5px;
}

.page-faq .faq-doc__name {
  font-size: 15.5px;
  font-weight: 700;
  color: var(--ink-900);
}

.page-faq .faq-doc__ver {
  flex: none;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cinnabar);
}

.page-faq .faq-doc__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--black);
}

/* ---------- 下载与索取 ---------- */
.page-faq .faq-get {
  display: grid;
  gap: var(--faq-gap);
  margin-top: clamp(18px, 2.6vw, 30px);
}

.page-faq .faq-get__panel {
  padding: clamp(20px, 2.4vw, 30px);
  background: var(--ink-900);
  color: var(--porcelain);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--faq-cut)), calc(100% - var(--faq-cut)) 100%, 0 100%);
}

.page-faq .faq-get__label {
  margin: 0 0 14px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--gold-soft);
}

.page-faq .faq-get__mail {
  margin: 0 0 6px;
  font-family: var(--mono);
  font-size: clamp(16px, 2vw, 20px);
  font-weight: 700;
  color: var(--porcelain);
  word-break: break-all;
}

.page-faq .faq-get__phone {
  margin: 0 0 14px;
  font-family: var(--mono);
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--gold);
}

.page-faq .faq-get__note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(244, 241, 232, 0.72);
}

.page-faq .faq-get__body .blg-list {
  margin-top: 0;
}

.page-faq .faq-get__body .blg-btn-row {
  margin-top: clamp(16px, 2vw, 22px);
}

/* ---------- 问答 ---------- */
.page-faq .faq-chapter .blg-faq {
  margin-top: clamp(6px, 1vw, 14px);
}

/* ---------- 继续提问 ---------- */
.page-faq .faq-ask {
  display: grid;
  gap: var(--faq-gap);
  margin-top: clamp(20px, 2.8vw, 32px);
}

.page-faq .faq-ask .blg-panel--bare {
  border-left: 3px solid var(--cinnabar);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-roles {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 760px) {
  .page-faq .faq-tiers {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 820px) {
  .page-faq .faq-get {
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }

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

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: 7fr 5fr;
    align-items: center;
    gap: clamp(28px, 4vw, 56px);
  }

  .page-faq .faq-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: clamp(14px, 1.6vw, 22px);
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-body__grid {
    grid-template-columns: 238px minmax(0, 1fr);
    gap: clamp(32px, 4vw, 64px);
  }

  .page-faq .faq-anchor {
    position: sticky;
    top: 108px;
    align-self: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-step,
  .page-faq .faq-step__num,
  .page-faq .faq-step__hover,
  .page-faq .faq-docs__tab {
    transition: none;
  }
}