/* ===== 新手指南页面 ===== */
.page-faq {
  --faq-panel-bg: linear-gradient(158deg, rgba(18, 27, 51, 0.94), rgba(11, 18, 36, 0.76));
  --faq-rail: linear-gradient(180deg, rgba(47, 212, 198, 0.9), rgba(108, 77, 230, 0.45));
  --faq-card-bg: linear-gradient(160deg, rgba(18, 27, 51, 0.86), rgba(5, 9, 20, 0.72));
}

.page-faq .breadcrumb {
  margin: 22px 0 0;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: 26px 0 44px;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -170px;
  left: -140px;
  width: 460px;
  height: 460px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(108, 77, 230, 0.34), rgba(108, 77, 230, 0) 68%);
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -120px;
  bottom: -140px;
  width: 340px;
  height: 340px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(47, 212, 198, 0.16), rgba(47, 212, 198, 0) 70%);
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  display: grid;
  gap: 30px;
}

.page-faq .faq-hero__narrative h1 {
  margin: 12px 0 0;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(29px, 7vw, 48px);
  line-height: 1.22;
  letter-spacing: 0.01em;
  color: var(--silver);
}

.page-faq .faq-hero__lede {
  margin: 18px 0 0;
  max-width: 40em;
  font-size: 16.5px;
  line-height: 1.8;
  color: var(--grey);
}

.page-faq .faq-hero__narrative .chip-row {
  margin-top: 22px;
}

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

/* 引导节奏面板 */
.page-faq .faq-hero__panel {
  align-self: start;
  padding: 22px 20px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--faq-panel-bg);
  box-shadow: 0 24px 60px rgba(5, 9, 20, 0.55);
  backdrop-filter: blur(6px);
}

.page-faq .faq-road__eyebrow {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--teal);
  text-transform: uppercase;
}

.page-faq .faq-road {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-road::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 16px;
  bottom: 16px;
  width: 1px;
  background: var(--faq-rail);
  opacity: 0.7;
}

.page-faq .faq-road__item {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 10px;
  padding: 10px 0 10px 24px;
}

.page-faq .faq-road__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--ink-900);
  border: 1px solid var(--teal);
  box-shadow: 0 0 0 3px rgba(47, 212, 198, 0.12);
}

.page-faq .faq-road__num {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--violet-soft);
}

.page-faq .faq-road__label {
  font-size: 15px;
  color: var(--silver);
}

.page-faq .faq-road__meta {
  margin-left: auto;
  font-size: 12px;
  color: var(--grey);
}

.page-faq .faq-road__total {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--grey);
}

.page-faq .faq-road__total strong {
  font-size: 15px;
  color: var(--teal);
  letter-spacing: 0.04em;
}

/* ---------- 快速上手 ---------- */
.page-faq .faq-start {
  padding-top: 10px;
}

.page-faq .faq-start__grid {
  display: grid;
  gap: 26px;
  margin-top: 30px;
}

.page-faq .faq-steps {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
  min-width: 0;
}

.page-faq .faq-step {
  position: relative;
  padding: 20px 18px 20px 62px;
  border: 1px solid var(--line);
  border-left: 2px solid rgba(47, 212, 198, 0.42);
  border-radius: var(--radius-sm);
  background: var(--faq-card-bg);
  transition: border-color 0.25s ease, transform 0.25s ease;
}

.page-faq .faq-step:hover {
  border-color: var(--line-strong);
  border-left-color: var(--teal);
  transform: translateY(-2px);
}

.page-faq .faq-step__num {
  position: absolute;
  left: 20px;
  top: 22px;
  font-size: 15px;
  letter-spacing: 0.04em;
  color: var(--teal);
}

.page-faq .faq-step__title {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  margin: 0;
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 600;
  color: var(--silver);
}

.page-faq .faq-step__meta {
  font-size: 12px;
  font-weight: 400;
  color: var(--violet-soft);
  letter-spacing: 0.06em;
}

.page-faq .faq-step__body {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--grey);
}

.page-faq .faq-start__figure {
  margin: 0;
  align-self: start;
}

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

/* ---------- 常见问题 ---------- */
.page-faq .faq-qa__layout {
  display: grid;
  gap: 22px;
  margin-top: 30px;
}

.page-faq .faq-index {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(11, 18, 36, 0.6);
  padding: 16px 18px;
}

.page-faq .faq-index__title {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--grey);
  text-transform: uppercase;
}

.page-faq .faq-index ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-index a {
  display: inline-block;
  font-size: 14px;
  color: var(--silver);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-faq .faq-index a:hover,
.page-faq .faq-index a:focus-visible {
  color: var(--teal);
  border-bottom-color: var(--teal);
}

.page-faq .faq-groups {
  display: grid;
  gap: 16px;
  min-width: 0;
}

.page-faq .faq-group {
  padding: 20px 18px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--faq-card-bg);
  scroll-margin-top: calc(var(--header-h) + 20px);
}

.page-faq .faq-group__title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 8px;
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 600;
  color: var(--silver);
}

.page-faq .faq-group__code {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 6px;
  border: 1px solid rgba(108, 77, 230, 0.5);
  background: rgba(108, 77, 230, 0.16);
  font-size: 12px;
  color: var(--violet-soft);
}

.page-faq .faq-item {
  border-top: 1px solid var(--line);
}

.page-faq .faq-item summary {
  position: relative;
  padding: 14px 32px 14px 0;
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--silver);
  cursor: pointer;
  list-style: none;
  transition: color 0.2s ease;
}

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

.page-faq .faq-item summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 13px;
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1;
  color: var(--teal);
  transition: color 0.2s ease, transform 0.2s ease;
}

.page-faq .faq-item summary:hover {
  color: var(--teal);
}

.page-faq .faq-item[open] summary {
  color: var(--teal);
}

.page-faq .faq-item[open] summary::after {
  content: "–";
  color: var(--violet-soft);
}

.page-faq .faq-item__body {
  padding: 0 6px 16px 0;
}

.page-faq .faq-item__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--grey);
}

.page-faq .faq-item__body a {
  color: var(--teal);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 212, 198, 0.45);
}

.page-faq .faq-item__body a:hover {
  color: var(--teal-deep);
}

/* ---------- 术语 ---------- */
.page-faq .faq-terms__inner {
  display: grid;
  gap: 26px;
}

.page-faq .faq-defs {
  margin: 24px 0 0;
}

.page-faq .faq-defs dt {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.02em;
  color: var(--teal);
}

.page-faq .faq-defs dt:first-of-type {
  margin-top: 0;
}

.page-faq .faq-defs dd {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--grey);
}

.page-faq .faq-terms__figure {
  margin: 0;
  align-self: start;
}

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

/* ---------- 联系支持 ---------- */
.page-faq .faq-support__panel {
  display: grid;
  gap: 26px;
  padding: 26px 20px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--faq-panel-bg);
  box-shadow: 0 26px 70px rgba(5, 9, 20, 0.5);
}

.page-faq .faq-support__lede {
  margin: 14px 0 0;
  max-width: 38em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--grey);
}

.page-faq .faq-support__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-faq .faq-support__contacts {
  display: grid;
  gap: 14px;
  align-content: start;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(5, 9, 20, 0.5);
}

.page-faq .faq-support__contacts .contact-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-support__contacts .contact-key {
  min-width: 5em;
  font-size: 13px;
  color: var(--grey);
}

.page-faq .faq-support__contacts .contact-value {
  font-family: var(--font-mono);
  font-size: 14.5px;
  color: var(--silver);
  word-break: break-word;
}

.page-faq .faq-support__contacts .copy-btn {
  margin-left: auto;
  padding: 5px 12px;
  border: 1px solid rgba(47, 212, 198, 0.5);
  border-radius: 999px;
  background: rgba(47, 212, 198, 0.1);
  color: var(--teal);
  font-size: 12px;
  font-family: var(--font-body);
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}

.page-faq .faq-support__contacts .copy-btn:hover {
  background: rgba(47, 212, 198, 0.22);
  color: var(--silver);
}

.page-faq .faq-support__contacts .contact-note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--dim);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-hero {
    padding-top: 34px;
  }

  .page-faq .faq-hero__panel {
    padding: 26px 26px 22px;
  }

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

  .page-faq .faq-support__panel {
    padding: 32px 30px;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: 52px;
    align-items: start;
  }

  .page-faq .faq-start__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 34px;
    align-items: start;
  }

  .page-faq .faq-qa__layout {
    grid-template-columns: minmax(0, 3fr) minmax(0, 9fr);
    gap: 30px;
    align-items: start;
  }

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

  .page-faq .faq-index ul {
    flex-direction: column;
    gap: 10px;
  }

  .page-faq .faq-terms__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 40px;
    align-items: start;
  }

  .page-faq .faq-support__panel {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: 40px;
    align-items: start;
    padding: 40px 38px;
  }
}