.page-faq {
  --faq-rule: rgba(183, 192, 198, .16);
  --faq-rule-soft: rgba(183, 192, 198, .09);
  --faq-gap: clamp(18px, 3vw, 34px);
  position: relative;
  color: var(--mist);
  background:
    radial-gradient(900px 460px at 92% -6%, rgba(35, 240, 199, .10), transparent 62%),
    radial-gradient(680px 420px at 2% 34%, rgba(255, 122, 26, .055), transparent 64%);
}

.page-faq .faq-crumb {
  padding-top: clamp(18px, 3vw, 30px);
}

.page-faq .faq-crumb .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .07em;
  color: var(--silver);
}

.page-faq .faq-crumb .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  margin-right: 8px;
  color: rgba(183, 192, 198, .45);
}

/* 首屏 */

.page-faq .faq-hero-grid {
  display: grid;
  gap: var(--faq-gap);
}

.page-faq .faq-hero-copy .eyebrow {
  color: var(--cyan);
}

.page-faq .faq-hero-copy h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(30px, 5.6vw, 58px);
  font-weight: 700;
  line-height: 1.14;
  letter-spacing: .005em;
  color: var(--mist);
  text-wrap: balance;
}

.page-faq .faq-hero-copy .lede {
  margin-top: clamp(16px, 2.4vw, 24px);
  max-width: 62ch;
  color: var(--silver);
}

.page-faq .faq-hero-kv {
  margin: clamp(24px, 4vw, 40px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  border: 1px solid var(--faq-rule);
  border-radius: 14px;
  background: var(--faq-rule);
  overflow: hidden;
}

.page-faq .faq-hero-kv li {
  display: grid;
  gap: 6px;
  padding: 16px 18px;
  background: linear-gradient(180deg, rgba(11, 51, 43, .72), rgba(9, 32, 26, .72));
}

.page-faq .faq-kv-num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--cyan);
}

.page-faq .faq-kv-label {
  font-size: 14px;
  line-height: 1.65;
  color: var(--silver);
}

.page-faq .faq-hero-figure {
  margin: 0;
}

@media (min-width: 900px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(240px, .6fr);
    align-items: center;
    gap: clamp(32px, 5vw, 76px);
  }

  .page-faq .faq-hero-kv {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* 分类索引 */

.page-faq .faq-index .eyebrow {
  margin-bottom: 14px;
  color: var(--silver);
}

.page-faq .faq-chips {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .faq-chip {
  display: inline-flex;
  align-items: center;
  padding: 9px 16px;
  border: 1px solid var(--faq-rule);
  border-radius: 999px;
  background: rgba(11, 51, 43, .42);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .05em;
  color: var(--silver);
  text-decoration: none;
  transition: color .22s ease, border-color .22s ease, background-color .22s ease;
}

.page-faq .faq-chip:hover,
.page-faq .faq-chip:focus-visible {
  color: var(--cyan);
  border-color: var(--line-cyan);
  background: rgba(35, 240, 199, .09);
}

/* 区块骨架 */

.page-faq .faq-block-grid {
  display: grid;
  gap: clamp(18px, 3.4vw, 36px);
}

.page-faq .faq-block-head {
  align-self: start;
}

.page-faq .faq-block-num {
  margin: 0 0 10px;
  font-size: 13px;
  letter-spacing: .2em;
  color: var(--orange);
}

.page-faq .faq-block-head .section-title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(24px, 3.4vw, 34px);
  font-weight: 700;
  line-height: 1.2;
  color: var(--mist);
}

.page-faq .faq-block-head .note {
  margin: 0;
  max-width: 34ch;
  line-height: 1.9;
}

.page-faq .faq-block-body {
  min-width: 0;
}

@media (min-width: 940px) {
  .page-faq .faq-block-grid {
    grid-template-columns: minmax(190px, 262px) minmax(0, 1fr);
    gap: clamp(32px, 5vw, 78px);
  }

  .page-faq .faq-block-head {
    position: sticky;
    top: 104px;
  }
}

/* 问题列表 */

.page-faq .faq-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--faq-rule);
  counter-reset: faq;
}

.page-faq .faq-item {
  border-bottom: 1px solid var(--faq-rule);
  transition: background-color .24s ease;
}

.page-faq .faq-item:nth-child(even) {
  background: linear-gradient(90deg, rgba(11, 51, 43, .42), rgba(11, 51, 43, 0) 78%);
}

.page-faq .faq-item:hover {
  background: linear-gradient(90deg, rgba(35, 240, 199, .07), rgba(35, 240, 199, 0) 78%);
}

.page-faq .faq-q summary {
  display: flex;
  align-items: flex-start;
  gap: clamp(10px, 1.8vw, 20px);
  padding: clamp(18px, 2.6vw, 24px) clamp(4px, 1vw, 12px);
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-q summary:focus-visible {
  outline: 1px solid var(--line-cyan);
  outline-offset: -2px;
  border-radius: 8px;
}

.page-faq .faq-num {
  flex: none;
  min-width: 40px;
  padding-top: 4px;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-faq .faq-text {
  flex: 1 1 auto;
  font-family: var(--font-display);
  font-size: clamp(17px, 2.1vw, 20px);
  font-weight: 600;
  line-height: 1.5;
  color: var(--mist);
  transition: color .22s ease;
}

.page-faq .faq-q summary:hover .faq-text {
  color: var(--cyan);
}

.page-faq .faq-toggle {
  flex: none;
  width: 10px;
  height: 10px;
  margin-top: 8px;
  border-right: 1.5px solid var(--silver);
  border-bottom: 1.5px solid var(--silver);
  transform: rotate(45deg);
  transition: transform .24s ease, border-color .24s ease;
}

.page-faq .faq-q[open] .faq-toggle {
  transform: rotate(225deg);
  border-color: var(--orange);
}

.page-faq .faq-answer {
  padding: 0 clamp(4px, 1vw, 12px) clamp(20px, 2.6vw, 26px);
}

.page-faq .faq-answer p {
  margin: 0;
  max-width: 66ch;
  font-size: clamp(15px, 1.65vw, 16.5px);
  line-height: 1.95;
  color: var(--silver);
}

.page-faq .faq-answer p + p {
  margin-top: 10px;
}

@media (min-width: 700px) {
  .page-faq .faq-answer {
    padding-left: 72px;
  }
}

/* 章节内图形 */

.page-faq .faq-figure {
  margin: clamp(26px, 4vw, 42px) 0 0;
}

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

.page-faq .faq-figure .img-caption {
  margin-top: 10px;
}

/* 联系面板 */

.page-faq .faq-contact-panel {
  margin-top: clamp(26px, 4vw, 42px);
  padding: clamp(20px, 3vw, 32px);
  border: 1px solid var(--line-cyan);
  border-radius: var(--radius);
  background: linear-gradient(152deg, rgba(11, 51, 43, .92), rgba(9, 32, 26, .78));
  box-shadow: var(--shadow-panel);
}

.page-faq .faq-contact-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 16px;
}

.page-faq .faq-contact-list li {
  display: grid;
  gap: 6px;
}

.page-faq .faq-contact-label {
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--silver);
  text-transform: uppercase;
}

.page-faq .faq-contact-value {
  font-family: var(--font-mono);
  font-size: clamp(14px, 1.7vw, 16px);
  line-height: 1.6;
  color: var(--mist);
  word-break: break-word;
}

.page-faq .faq-contact-note {
  margin: clamp(16px, 2.4vw, 22px) 0 0;
  line-height: 1.9;
}

.page-faq .faq-contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 28px);
}

@media (min-width: 640px) {
  .page-faq .faq-contact-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* 页尾延伸阅读 */

.page-faq .faq-more-inner .note {
  margin: 0;
  line-height: 2;
}

.page-faq .faq-inline-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(35, 240, 199, .35);
  transition: border-color .22s ease, color .22s ease;
}

.page-faq .faq-inline-link:hover,
.page-faq .faq-inline-link:focus-visible {
  color: var(--orange);
  border-bottom-color: rgba(255, 122, 26, .55);
}

.page-faq .faq-block,
.page-faq .faq-index,
.page-faq .faq-more {
  scroll-margin-top: 96px;
}