.page-faq {
  --faq-panel: rgba(16, 42, 67, 0.62);
  --faq-edge: rgba(110, 106, 138, 0.3);
  --faq-gap: clamp(16px, 2.4vw, 28px);
  padding-bottom: clamp(48px, 9vw, 110px);
}

.page-faq .faq-crumb {
  padding-top: 22px;
  padding-bottom: 4px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-top: clamp(18px, 4vw, 40px);
}

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

.page-faq .faq-hero__copy h1 {
  margin: 10px 0 0;
  font-size: clamp(29px, 5.2vw, 50px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  max-width: 20em;
  color: var(--cream);
}

.page-faq .faq-hero__copy .lede {
  margin-top: 18px;
  max-width: 46em;
}

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

.page-faq .faq-hero__panel {
  display: grid;
  gap: 14px;
  align-content: start;
  padding: clamp(18px, 3vw, 26px);
  border-radius: var(--radius-l);
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(56, 214, 214, 0.14), transparent 62%),
    var(--faq-panel);
  border: 1px solid var(--faq-edge);
  box-shadow: var(--shadow);
}

.page-faq .faq-quick {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-areas:
    "num name"
    "num desc";
  gap: 2px 14px;
  padding: 15px 18px;
  border-radius: var(--radius);
  border: 1px solid var(--faq-edge);
  background: linear-gradient(120deg, rgba(232, 163, 61, 0.1), rgba(16, 42, 67, 0.24));
  color: var(--cream);
  text-decoration: none;
  transition: border-color 0.2s ease, transform 0.2s ease, background 0.2s ease;
}

.page-faq .faq-quick:hover,
.page-faq .faq-quick:focus-visible {
  border-color: var(--amber);
  background: linear-gradient(120deg, rgba(232, 163, 61, 0.18), rgba(16, 42, 67, 0.3));
  transform: translateY(-2px);
}

.page-faq .faq-quick__num {
  grid-area: num;
  align-self: center;
  font-size: 20px;
  letter-spacing: 0.08em;
  color: var(--amber);
}

.page-faq .faq-quick__name {
  grid-area: name;
  font-size: 17px;
  font-weight: 700;
  color: var(--cream);
}

.page-faq .faq-quick__desc {
  grid-area: desc;
  font-size: 14px;
  line-height: 1.62;
  color: var(--stone);
}

.page-faq .faq-hero__status {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 4px 0 0;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--stone);
}

/* ---------- 索引与条目 ---------- */
.page-faq .faq-board {
  padding-top: clamp(40px, 7vw, 84px);
}

.page-faq .faq-index {
  display: grid;
  gap: clamp(20px, 3vw, 40px);
  align-items: start;
}

.page-faq .faq-index__nav {
  padding: 18px 20px;
  border-radius: var(--radius);
  border: 1px solid var(--faq-edge);
  background: var(--faq-panel);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .faq-index__list a {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 9px 10px;
  border-radius: var(--radius-s);
  border-left: 2px solid transparent;
  color: var(--stone);
  font-size: 15px;
  line-height: 1.6;
  text-decoration: none;
  transition: color 0.18s ease, background 0.18s ease, border-color 0.18s ease;
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  color: var(--cream);
  background: rgba(56, 214, 214, 0.08);
  border-left-color: var(--cyan);
}

.page-faq .faq-index__list .mono {
  flex: 0 0 auto;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--amber);
}

.page-faq .faq-index__body {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
}

.page-faq .faq-entry {
  scroll-margin-top: calc(var(--header-h) + 24px);
  padding: clamp(20px, 3vw, 34px);
  border-radius: var(--radius-l);
  border: 1px solid var(--faq-edge);
  background: linear-gradient(180deg, rgba(16, 42, 67, 0.52), rgba(11, 27, 43, 0.22));
}

.page-faq .faq-entry--focus {
  border-color: rgba(232, 163, 61, 0.5);
  background:
    radial-gradient(90% 70% at 0% 0%, rgba(232, 163, 61, 0.13), transparent 62%),
    linear-gradient(180deg, rgba(16, 42, 67, 0.64), rgba(11, 27, 43, 0.3));
  box-shadow: 0 0 0 1px rgba(232, 163, 61, 0.12), var(--shadow);
}

.page-faq .faq-entry__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px 18px;
  align-items: start;
}

.page-faq .faq-entry__num {
  padding-top: 2px;
  font-size: 22px;
  line-height: 1.2;
  letter-spacing: 0.1em;
  color: var(--amber);
}

.page-faq .faq-entry__title {
  margin: 0;
  font-size: clamp(19px, 2.4vw, 26px);
  line-height: 1.36;
  color: var(--cream);
}

.page-faq .faq-entry__sub {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.76;
  color: var(--stone);
}

/* 步骤列表 */
.page-faq .faq-steps {
  counter-reset: faqstep;
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-steps li {
  position: relative;
  padding: 13px 16px 13px 48px;
  border-radius: var(--radius-s);
  border: 1px solid var(--faq-edge);
  background: rgba(7, 19, 31, 0.45);
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--cream);
}

.page-faq .faq-steps li::before {
  counter-increment: faqstep;
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 16px;
  top: 15px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

/* 记录清单 */
.page-faq .faq-record-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-record-list li {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 12px;
  padding: 13px 16px;
  border-radius: var(--radius-s);
  border: 1px dashed var(--faq-edge);
  background: rgba(7, 19, 31, 0.42);
  font-size: 15px;
  line-height: 1.74;
  color: var(--cream);
}

.page-faq .faq-record-list .mono {
  padding-top: 3px;
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

/* ---------- 折叠面板 ---------- */
.page-faq .fold {
  margin-top: 12px;
  border: 1px solid var(--faq-edge);
  border-radius: var(--radius-s);
  background: rgba(7, 19, 31, 0.4);
  overflow: hidden;
}

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

.page-faq .fold__summary {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 15.5px;
  font-weight: 600;
  color: var(--cream);
  transition: background 0.18s ease;
}

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

.page-faq .fold__summary:hover,
.page-faq .fold__summary:focus-visible {
  background: rgba(56, 214, 214, 0.07);
}

.page-faq .fold__summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--mono);
  font-size: 16px;
  color: var(--amber);
}

.page-faq .fold[open] > .fold__summary::after {
  content: "\2013";
}

.page-faq .fold__index {
  flex: 0 0 auto;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--amber);
}

.page-faq .fold__body {
  padding: 0 16px 16px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--stone);
}

.page-faq .fold__body p {
  margin: 0;
}

/* ---------- 费用与周期 ---------- */
.page-faq .faq-figure {
  margin: 22px 0 0;
}

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

.page-faq .faq-figure figcaption {
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--stone);
}

.page-faq .faq-cost {
  margin-top: 22px;
  gap: 16px;
}

.page-faq .faq-cost .split__col {
  padding: clamp(16px, 2.4vw, 24px);
  border-radius: var(--radius);
}

.page-faq .faq-cost__title {
  margin: 0 0 14px;
  padding-bottom: 12px;
  font-size: 16px;
  line-height: 1.5;
  color: var(--cream);
  border-bottom: 1px solid var(--faq-edge);
}

.page-faq .faq-row {
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr);
  gap: 10px;
  padding: 9px 0;
  border-bottom: 1px dashed rgba(110, 106, 138, 0.22);
  font-size: 14.5px;
  line-height: 1.66;
}

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

.page-faq .faq-row__key {
  padding-top: 3px;
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--stone);
}

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

.page-faq .faq-note {
  margin: 18px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--stone);
  max-width: 52em;
}

.page-faq .faq-note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(56, 214, 214, 0.42);
}

.page-faq .faq-note a:hover,
.page-faq .faq-note a:focus-visible {
  color: var(--amber-soft);
  border-bottom-color: rgba(242, 200, 121, 0.6);
}

/* ---------- 设备适配 ---------- */
.page-faq .faq-flow {
  display: block;
  width: 100%;
  height: auto;
  margin-top: 22px;
  padding: 12px;
  box-sizing: border-box;
  border-radius: var(--radius);
  border: 1px solid var(--faq-edge);
  background: rgba(7, 19, 31, 0.48);
}

.page-faq .faq-devices {
  margin-top: 22px;
}

.page-faq .faq-devices .fold {
  margin-top: 0;
}

/* ---------- 联系前准备 ---------- */
.page-faq .faq-prep {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-prep li {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  padding: 13px 16px;
  border-radius: var(--radius-s);
  border: 1px solid var(--faq-edge);
  background: linear-gradient(90deg, rgba(232, 163, 61, 0.1), rgba(7, 19, 31, 0.36));
  font-size: 15px;
  line-height: 1.74;
  color: var(--cream);
}

.page-faq .faq-prep .mono {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--amber);
}

/* ---------- 收尾 ---------- */
.page-faq .faq-tail {
  padding-top: clamp(36px, 6vw, 72px);
}

.page-faq .faq-tail__panel {
  display: grid;
  gap: 20px;
  padding: clamp(22px, 3.4vw, 36px);
  border-radius: var(--radius-l);
  border: 1px solid var(--faq-edge);
  background:
    linear-gradient(135deg, rgba(56, 214, 214, 0.1), transparent 46%),
    linear-gradient(315deg, rgba(217, 83, 63, 0.12), transparent 52%),
    var(--faq-panel);
}

.page-faq .faq-tail__title {
  margin: 0 0 10px;
  font-size: clamp(19px, 2.2vw, 24px);
  line-height: 1.4;
  color: var(--cream);
}

.page-faq .faq-tail__panel p {
  margin: 0;
  max-width: 46em;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--stone);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-tail__panel {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .page-faq .faq-tail__links {
    justify-content: flex-end;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(280px, 0.92fr);
    align-items: start;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-index {
    grid-template-columns: 248px minmax(0, 1fr);
  }

  .page-faq .faq-index__nav {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }
}

@media (max-width: 420px) {
  .page-faq .faq-record-list li,
  .page-faq .faq-row {
    grid-template-columns: minmax(0, 1fr);
    gap: 6px;
  }

  .page-faq .faq-record-list .mono,
  .page-faq .faq-row__key {
    padding-top: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-quick,
  .page-faq .faq-index__list a,
  .page-faq .fold__summary {
    transition: none;
  }

  .page-faq .faq-quick:hover,
  .page-faq .faq-quick:focus-visible {
    transform: none;
  }
}