.page-faq {
  background: var(--paper);
  color: var(--ink-950);
}

/* ============ 首屏分层 ============ */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  background: var(--green-900);
  color: var(--paper);
  padding: clamp(24px, 4vw, 44px) 0 clamp(52px, 7.5vw, 92px);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 36px), 0 100%);
}

.page-faq .faq-hero__deco {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(118deg, transparent 0 58%, rgba(255, 106, 26, 0.24) 58% 58.35%, transparent 58.35%),
    linear-gradient(118deg, transparent 0 71%, rgba(20, 133, 122, 0.42) 71% 71.4%, transparent 71.4%),
    linear-gradient(118deg, transparent 0 85%, rgba(201, 211, 209, 0.16) 85% 85.25%, transparent 85.25%);
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
}

.page-faq .crumbs a {
  color: rgba(244, 247, 246, 0.78);
  text-decoration: none;
}

.page-faq .crumbs a:hover {
  color: var(--orange-300);
}

.page-faq .crumbs__sep {
  color: rgba(244, 247, 246, 0.4);
  margin: 0 8px;
}

.page-faq .faq-hero__eyebrow {
  margin: 22px 0 0;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--orange-300);
}

.page-faq .faq-hero__title {
  margin: 16px 0 0;
  max-width: 16em;
  font-weight: 300;
  font-size: clamp(2rem, 6.4vw, 4.4rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
}

.page-faq .faq-hero__lede {
  margin: 22px 0 0;
  max-width: 60ch;
  color: rgba(244, 247, 246, 0.8);
  font-size: clamp(0.9375rem, 2.2vw, 1.0625rem);
  line-height: 1.8;
}

.page-faq .faq-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 30px;
  margin: 30px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid rgba(201, 211, 209, 0.28);
  list-style: none;
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
  color: rgba(244, 247, 246, 0.72);
}

.page-faq .faq-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-faq .faq-hero__num {
  font-family: var(--font-data);
  font-size: 1rem;
  font-weight: 500;
  color: var(--orange-300);
}

/* ============ 主体栅格 ============ */
.page-faq .faq-body {
  padding: clamp(34px, 5vw, 66px) 0 clamp(56px, 8vw, 104px);
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
}

/* ============ 问题索引 ============ */
.page-faq .faq-side__label {
  margin: 0 0 10px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--silver-600);
}

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

.page-faq .faq-side__list a {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 8px 13px;
  border: 1px solid var(--silver-400);
  background: #fff;
  color: var(--ink-950);
  text-decoration: none;
  font-size: 0.8125rem;
  line-height: 1.3;
  transition: border-color 0.2s ease, color 0.2s ease, background-color 0.2s ease;
}

.page-faq .faq-side__num {
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--orange-500);
}

.page-faq .faq-side__list a:hover {
  border-color: var(--orange-500);
  color: var(--green-700);
}

@media (min-width: 1000px) {
  .page-faq .faq-layout {
    grid-template-columns: 222px minmax(0, 1fr);
    gap: clamp(32px, 5vw, 76px);
  }

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

  .page-faq .faq-side__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 0;
    position: sticky;
    top: calc(var(--head-h) + 26px);
  }

  .page-faq .faq-side__list a {
    border: 0;
    border-left: 2px solid var(--silver-400);
    background: transparent;
    padding: 9px 0 9px 14px;
  }

  .page-faq .faq-side__list a:hover {
    border-left-color: var(--orange-500);
    background: transparent;
  }
}

/* ============ 问答流 ============ */
.page-faq .faq-stream {
  min-width: 0;
}

.page-faq .faq-block {
  scroll-margin-top: calc(var(--head-h) + 20px);
  margin-bottom: clamp(40px, 6vw, 74px);
}

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

.page-faq .faq-block__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 14px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--ink-950);
}

.page-faq .faq-block__num {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--orange-500);
}

.page-faq .faq-block__title {
  margin: 0;
  font-size: clamp(1.3rem, 3.2vw, 1.85rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.25;
}

/* ============ 配图 ============ */
.page-faq .faq-media {
  margin: 22px 0 4px;
}

.page-faq .faq-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  background: var(--silver-400);
  clip-path: var(--cut-tr);
}

.page-faq .faq-media .media__caption {
  position: static;
  margin: 10px 0 0;
  padding: 0;
  background: none;
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--silver-600);
}

/* ============ 折叠问答 ============ */
.page-faq .qa {
  margin-top: 4px;
}

.page-faq .qa + .qa {
  border-top: 1px solid var(--silver-400);
}

.page-faq .qa summary {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 20px 0;
  cursor: pointer;
  list-style: none;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.55;
  color: var(--ink-950);
  transition: color 0.2s ease;
}

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

.page-faq .qa summary:hover {
  color: var(--green-700);
}

.page-faq .qa summary:focus-visible {
  outline: 2px solid var(--orange-500);
  outline-offset: 3px;
}

.page-faq .qa__mark {
  position: relative;
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  margin-top: 3px;
  border: 1px solid var(--silver-600);
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.page-faq .qa__mark::before,
.page-faq .qa__mark::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--green-400);
  transition: transform 0.24s ease, background-color 0.2s ease;
}

.page-faq .qa__mark::before {
  width: 10px;
  height: 1.5px;
  transform: translate(-50%, -50%);
}

.page-faq .qa__mark::after {
  width: 1.5px;
  height: 10px;
  transform: translate(-50%, -50%);
}

.page-faq .qa[open] .qa__mark {
  background: var(--orange-500);
  border-color: var(--orange-500);
}

.page-faq .qa[open] .qa__mark::before {
  background: #fff;
}

.page-faq .qa[open] .qa__mark::after {
  background: #fff;
  transform: translate(-50%, -50%) scaleY(0);
}

.page-faq .qa__body {
  padding: 0 0 24px 34px;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--ink-950);
}

.page-faq .qa[open] .qa__body {
  animation: faqFieldFade 0.28s ease both;
}

@keyframes faqFieldFade {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: none; }
}

.page-faq .qa__body p {
  margin: 0 0 12px;
}

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

.page-faq .hl {
  font-family: var(--font-data);
  font-size: 0.95em;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--green-700);
}

/* ============ 字段小表 ============ */
.page-faq .table-scroll {
  overflow-x: auto;
  margin: 0 0 14px;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-table {
  width: 100%;
  min-width: 420px;
  border-collapse: collapse;
  font-size: 0.8125rem;
}

.page-faq .faq-table caption {
  caption-side: top;
  text-align: left;
  padding-bottom: 8px;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--silver-600);
}

.page-faq .faq-table th,
.page-faq .faq-table td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--silver-400);
  vertical-align: top;
  line-height: 1.6;
}

.page-faq .faq-table thead th {
  font-size: 11px;
  letter-spacing: 0.12em;
  font-weight: 700;
  color: var(--silver-600);
  background: transparent;
  white-space: nowrap;
}

.page-faq .faq-table tbody tr:nth-child(odd) {
  background: rgba(201, 211, 209, 0.18);
}

.page-faq .faq-table td:first-child {
  font-weight: 700;
  color: var(--ink-950);
  white-space: nowrap;
}

.page-faq .faq-table .num {
  font-family: var(--font-data);
  letter-spacing: -0.01em;
  white-space: nowrap;
}

/* ============ 相关栏目 ============ */
.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 4px;
  padding-top: 16px;
}

.page-faq .faq-jump__label {
  margin-right: 4px;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--silver-600);
}

.page-faq .faq-jump a {
  display: inline-flex;
  align-items: center;
  padding: 7px 14px;
  border: 1px solid var(--silver-400);
  background: #fff;
  color: var(--green-700);
  text-decoration: none;
  font-size: 0.8125rem;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.page-faq .faq-jump a:hover {
  border-color: var(--orange-500);
  color: var(--ink-950);
}

/* ============ 联系面板 ============ */
.page-faq .faq-contact {
  margin-top: 22px;
  padding: 24px 22px 20px;
  background: var(--green-700);
  color: var(--paper);
  clip-path: var(--cut-corner);
}

.page-faq .faq-contact__note {
  margin: 0 0 16px;
  max-width: 54ch;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: rgba(244, 247, 246, 0.86);
}

.page-faq .faq-contact__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 12px;
  margin: 0;
  padding: 11px 0;
  border-top: 1px solid rgba(201, 211, 209, 0.28);
  font-size: 0.875rem;
}

.page-faq .faq-contact__key {
  flex: 0 0 46px;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--orange-300);
}

.page-faq .faq-contact__val {
  font-family: var(--font-data);
  font-size: 0.875rem;
  letter-spacing: -0.01em;
  color: var(--paper);
  word-break: break-all;
}

.page-faq .faq-contact .copy-btn {
  margin-left: auto;
  padding: 6px 12px;
  border: 1px solid rgba(244, 247, 246, 0.45);
  background: transparent;
  color: var(--paper);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.page-faq .faq-contact .copy-btn:hover {
  background: var(--orange-500);
  border-color: var(--orange-500);
  color: #fff;
}

/* ============ 窄屏收敛 ============ */
@media (max-width: 640px) {
  .page-faq .qa summary {
    padding: 16px 0;
    font-size: 0.9375rem;
  }

  .page-faq .qa__body {
    padding: 0 0 20px 0;
  }

  .page-faq .faq-contact {
    padding: 20px 16px 18px;
  }

  .page-faq .faq-contact__key {
    flex-basis: auto;
  }

  .page-faq .faq-contact .copy-btn {
    margin-left: 0;
  }

  .page-faq .faq-table {
    min-width: 360px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq * {
    animation: none !important;
    transition: none !important;
  }
}