/* ===== 页面：规则问答 /questions/ ===== */
.page-faq {
  --faq-pad: clamp(1rem, 2.4vw, 1.6rem);
  --faq-gap: clamp(0.9rem, 2vw, 1.5rem);
  --faq-line: var(--line);
  --faq-soft-line: rgba(255, 255, 255, 0.18);
}

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumbs {
  padding-top: clamp(1rem, 3vw, 1.75rem);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding-top: clamp(1rem, 2.5vw, 1.75rem);
  padding-bottom: clamp(2rem, 5vw, 3.5rem);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  top: -35%;
  right: -22%;
  width: 48%;
  height: 175%;
  background: var(--green-tint);
  transform: rotate(7deg);
  pointer-events: none;
  z-index: 0;
}

.page-faq .faq-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(1.5rem, 3vw, 2.5rem);
}

.page-faq .faq-hero h1 {
  margin: 0.55rem 0 1rem;
  max-width: 24em;
}

.page-faq .faq-hero .lede {
  max-width: 62ch;
}

.page-faq .faq-hero__alert {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.4rem 0.6rem;
  margin: 1.4rem 0 0;
  padding: 0.8rem 1rem;
  background: var(--orange-tint);
  border-left: 4px solid var(--orange);
  color: var(--ink);
  font-weight: 700;
  line-height: 1.6;
}

.page-faq .faq-hero__alert .mono {
  font-size: 1.15em;
  color: #12161a;
}

/* 三档小卡 */
.page-faq .faq-mini-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
}

.page-faq .faq-mini {
  display: grid;
  gap: 0.35rem;
  padding: var(--faq-pad);
  background: var(--paper);
  border: 1px solid var(--faq-line);
  border-left: 4px solid var(--green);
  box-shadow: 0 1px 0 rgba(16, 20, 24, 0.04);
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.page-faq .faq-mini:hover {
  transform: translateY(-2px);
  border-color: var(--green-deep);
}

.page-faq .faq-mini--orange {
  border-left-color: var(--orange);
}

.page-faq .faq-mini--orange:hover {
  border-color: var(--orange);
}

.page-faq .faq-mini--dark {
  border-left-color: var(--panel);
}

.page-faq .faq-mini--dark:hover {
  border-color: var(--panel);
}

.page-faq .faq-mini__label {
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-faq .faq-mini__value {
  font-size: clamp(1.6rem, 5vw, 2.1rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--ink);
}

.page-faq .faq-mini--green .faq-mini__value {
  color: var(--green-ink);
}

.page-faq .faq-mini--orange .faq-mini__value {
  color: var(--orange);
}

.page-faq .faq-mini__note {
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.6;
}

/* 锚点目录 */
.page-faq .faq-anchors {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.page-faq .faq-anchors a {
  display: inline-block;
  padding: 0.45rem 0.85rem;
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--faq-line);
  text-decoration: none;
  transition: background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}

.page-faq .faq-anchors a:hover,
.page-faq .faq-anchors a:focus-visible {
  background: var(--green-tint);
  border-color: var(--green-deep);
  color: var(--green-ink);
}

/* ---------- 区块标题通用 ---------- */
.page-faq .faq-head {
  max-width: 68ch;
  margin-bottom: clamp(1.25rem, 3vw, 2rem);
}

.page-faq .faq-head h2 {
  margin: 0.5rem 0 0.75rem;
}

.page-faq .faq-head__note {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

.page-faq .faq-head--light h2,
.page-faq .faq-head--light .faq-head__note {
  color: var(--paper);
}

.page-faq .faq-head--light .faq-head__note {
  opacity: 0.78;
}

.page-faq .eyebrow--light {
  color: var(--green);
}

/* ---------- 图像 ---------- */
.page-faq .faq-figure {
  margin: 0 0 clamp(1.5rem, 3.5vw, 2.5rem);
}

.page-faq .faq-figure--aside {
  margin-bottom: 0;
}

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

/* ---------- 时间轴 ---------- */
.page-faq .faq-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
}

.page-faq .faq-timeline__node {
  position: relative;
  padding: var(--faq-pad);
  background: var(--paper);
  border: 1px solid var(--faq-line);
  border-top: 4px solid var(--green);
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.page-faq .faq-timeline__node:hover {
  border-color: var(--green-deep);
  box-shadow: 0 6px 18px rgba(16, 20, 24, 0.08);
}

.page-faq .faq-timeline__node--orange {
  border-top-color: var(--orange);
}

.page-faq .faq-timeline__node--orange:hover {
  border-color: var(--orange);
}

.page-faq .faq-timeline__node--dark {
  border-top-color: var(--panel);
}

.page-faq .faq-timeline__node--dark:hover {
  border-color: var(--panel);
}

.page-faq .faq-timeline__hour {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--green-ink);
  background: var(--green-tint);
}

.page-faq .faq-timeline__node--orange .faq-timeline__hour {
  color: #7a3300;
  background: var(--orange-tint);
}

.page-faq .faq-timeline__node--dark .faq-timeline__hour {
  color: var(--paper);
  background: var(--panel);
}

.page-faq .faq-timeline__title {
  margin: 0.7rem 0 0.5rem;
  font-size: clamp(1.15rem, 3.6vw, 1.4rem);
}

.page-faq .faq-timeline__node p {
  margin: 0 0 0.6rem;
  line-height: 1.75;
}

.page-faq .faq-timeline__hint {
  margin: 0;
  padding-top: 0.6rem;
  border-top: 1px dashed var(--faq-line);
  font-size: 0.88rem;
  color: var(--muted);
}

/* ---------- 对照表 ---------- */
.page-faq .faq-table__caption {
  caption-side: top;
  text-align: left;
  padding: 0 0 0.75rem;
  font-size: 0.86rem;
  color: var(--muted);
}

.page-faq .faq-table td,
.page-faq .faq-table th {
  vertical-align: top;
}

.page-faq .faq-callout {
  margin-top: clamp(1.25rem, 3vw, 1.75rem);
}

.page-faq .faq-callout p:last-child {
  margin-bottom: 0;
}

/* ---------- 分栏：上门前准备 ---------- */
.page-faq .faq-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 3.5vw, 2.5rem);
}

.page-faq .faq-steps {
  margin-bottom: 1.25rem;
}

.page-faq .faq-split__more {
  margin: 0;
  padding-left: 1rem;
  border-left: 4px solid var(--green);
  color: var(--muted);
  line-height: 1.75;
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-accordion {
  display: grid;
  gap: 0;
}

.page-faq .faq-item {
  background: var(--paper);
  border: 1px solid var(--faq-line);
  border-left: 4px solid var(--green);
  transition: border-color 0.18s ease;
}

.page-faq .faq-item + .faq-item {
  margin-top: -1px;
}

.page-faq .faq-item[open] {
  border-left-color: var(--orange);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: clamp(0.9rem, 2.4vw, 1.2rem) var(--faq-pad);
  cursor: pointer;
  list-style: none;
  font-weight: 700;
  font-size: clamp(1rem, 2.8vw, 1.08rem);
  line-height: 1.6;
  color: var(--ink);
}

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

.page-faq .faq-item__q:hover {
  background: var(--mist);
}

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

.page-faq .faq-item__mark {
  position: relative;
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  margin-top: 0.35rem;
}

.page-faq .faq-item__mark::before,
.page-faq .faq-item__mark::after {
  content: "";
  position: absolute;
  background: var(--panel);
}

.page-faq .faq-item__mark::before {
  left: 0;
  right: 0;
  top: 8px;
  height: 2px;
}

.page-faq .faq-item__mark::after {
  top: 0;
  bottom: 0;
  left: 8px;
  width: 2px;
  transition: transform 0.18s ease;
}

.page-faq .faq-item[open] .faq-item__mark::after {
  transform: scaleY(0);
}

.page-faq .faq-item__a {
  padding: 0 var(--faq-pad) clamp(1rem, 2.6vw, 1.35rem);
  border-top: 1px solid var(--faq-line);
  padding-top: clamp(0.85rem, 2.2vw, 1.1rem);
}

.page-faq .faq-item__a p {
  margin: 0 0 0.75rem;
  line-height: 1.8;
}

.page-faq .faq-item__a p:last-child {
  margin-bottom: 0;
}

/* ---------- 口径说明（深色切片） ---------- */
.page-faq .faq-boundary {
  color: var(--paper);
}

.page-faq .faq-boundary__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.25rem, 3vw, 2rem);
}

.page-faq .faq-boundary__item {
  padding-top: 0.9rem;
  border-top: 2px solid var(--faq-soft-line);
}

.page-faq .faq-boundary__item h3 {
  margin: 0 0 0.6rem;
  font-size: clamp(1.05rem, 3vw, 1.2rem);
  color: var(--green);
}

.page-faq .faq-boundary__item p {
  margin: 0;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.82);
}

.page-faq .faq-boundary a {
  color: var(--green);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 联系客服 ---------- */
.page-faq .faq-contact {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
}

.page-faq .faq-contact__card {
  padding: var(--faq-pad);
  background: var(--paper);
  border: 1px solid var(--faq-line);
  border-top: 4px solid var(--panel);
}

.page-faq .faq-contact__key {
  margin: 0 0 0.4rem;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-faq .faq-contact__val {
  margin: 0;
  font-size: clamp(1rem, 2.8vw, 1.2rem);
  font-weight: 700;
  color: var(--ink);
  word-break: break-word;
  line-height: 1.6;
}

.page-faq .faq-contact__note {
  margin: clamp(1.25rem, 3vw, 1.75rem) 0 0;
  padding-left: 1rem;
  border-left: 4px solid var(--orange);
  color: var(--muted);
  line-height: 1.8;
}

/* ---------- 断点：小屏以上 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-mini-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

  .page-faq .faq-contact__card--wide {
    grid-column: 1 / -1;
  }
}

/* ---------- 断点：平板 ---------- */
@media (min-width: 860px) {
  .page-faq .faq-timeline {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    padding-top: 3.4rem;
  }

  .page-faq .faq-timeline::before {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 1.45rem;
    height: 3px;
    background: linear-gradient(
      90deg,
      var(--green) 0 34%,
      var(--orange) 34% 67%,
      var(--panel) 67% 100%
    );
  }

  .page-faq .faq-timeline {
    position: relative;
  }

  .page-faq .faq-timeline__node::before {
    content: "";
    position: absolute;
    top: -2.45rem;
    left: 0;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 0 3px var(--mist), 0 0 0 4px var(--faq-line);
  }

  .page-faq .faq-timeline__node--orange::before {
    background: var(--orange);
  }

  .page-faq .faq-timeline__node--dark::before {
    background: var(--panel);
  }

  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }

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

/* ---------- 断点：桌面 ---------- */
@media (min-width: 1024px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-mini-grid {
    grid-template-columns: 1fr;
  }

  .page-faq .faq-anchors {
    grid-column: 1 / -1;
  }

  .page-faq .faq-timeline {
    gap: 2rem;
  }
}
</main>