/* ===== 帮助与排查 · 页面专属样式 ===== */
.page-faq {
  --faq-edge: rgba(245, 243, 238, 0.16);
  --faq-radius: 14px;
  color: var(--ink-text);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--ink);
  color: var(--paper);
  padding: clamp(24px, 4vw, 40px) 0 clamp(48px, 7vw, 96px);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: -18%;
  right: -12%;
  width: min(560px, 78vw);
  aspect-ratio: 1;
  background: radial-gradient(circle, rgba(47, 107, 255, 0.42) 0%, rgba(47, 107, 255, 0) 68%);
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  left: -10%;
  bottom: -16%;
  width: min(420px, 62vw);
  aspect-ratio: 1;
  background: radial-gradient(circle, rgba(255, 122, 61, 0.26) 0%, rgba(255, 122, 61, 0) 70%);
  pointer-events: none;
}

.page-faq .breadcrumb {
  margin-bottom: clamp(22px, 4vw, 36px);
}

.page-faq .breadcrumb__link {
  color: rgba(245, 243, 238, 0.62);
}

.page-faq .breadcrumb__link:hover {
  color: var(--paper);
}

.page-faq .breadcrumb__current {
  color: var(--paper);
  font-weight: 700;
}

.page-faq .faq-hero__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 52px);
}

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

.page-faq .faq-hero .display-title {
  margin: 0 0 clamp(16px, 2.5vw, 26px);
}

.page-faq .faq-hero .lede {
  margin: 0;
  max-width: 58ch;
  color: rgba(245, 243, 238, 0.82);
}

.page-faq .faq-hero__panel {
  align-self: end;
  border: 1px solid var(--faq-edge);
  border-radius: 18px;
  background: var(--ink-panel);
  padding: clamp(18px, 2.4vw, 24px);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.28);
}

.page-faq .faq-panel__title {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: rgba(245, 243, 238, 0.6);
}

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

.page-faq .faq-panel__list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px dashed rgba(245, 243, 238, 0.12);
  font-size: 14px;
  color: rgba(245, 243, 238, 0.72);
}

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

.page-faq .faq-panel__list b {
  flex: none;
  color: var(--mint);
  font-weight: 600;
}

/* ---------- 四类入口 ---------- */
.page-faq .faq-shortcuts {
  background: var(--paper);
  padding: clamp(40px, 6vw, 80px) 0 clamp(36px, 5vw, 64px);
}

.page-faq .faq-shortcuts__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 24px;
  margin-bottom: clamp(22px, 3vw, 34px);
}

.page-faq .faq-shortcuts__head .section-title {
  margin: 0;
}

.page-faq .faq-shortcuts__note {
  margin: 0;
  font-size: 15px;
  color: var(--grey-blue);
}

.page-faq .faq-tabs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.page-faq .faq-tab {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 20px 16px 18px;
  background: #fff;
  border: 1px solid var(--line);
  border-top: 4px solid var(--blue);
  border-radius: 4px 4px 12px 12px;
  color: var(--ink-text);
  text-decoration: none;
  transition: transform 0.28s var(--ease), box-shadow 0.28s var(--ease), border-color 0.28s var(--ease);
}

.page-faq .faq-tab:hover,
.page-faq .faq-tab:focus-visible {
  transform: translateY(-4px);
  box-shadow: 0 16px 34px rgba(11, 18, 32, 0.14);
}

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

.page-faq .faq-tab--mint {
  border-top-color: var(--mint);
}

.page-faq .faq-tab--ink {
  border-top-color: var(--ink);
}

.page-faq .faq-tab__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--grey-blue);
}

.page-faq .faq-tab__name {
  font-size: 17px;
  font-weight: 800;
  letter-spacing: 0.02em;
  line-height: 1.35;
}

.page-faq .faq-tab__desc {
  font-size: 13px;
  line-height: 1.6;
  color: var(--grey-blue);
}

.page-faq .faq-flow {
  margin: clamp(28px, 4vw, 48px) 0 0;
  border-radius: var(--faq-radius);
  overflow: hidden;
}

/* ---------- 主体：目录 + 问答 ---------- */
.page-faq .faq-body {
  background: var(--paper);
  padding: 0 0 clamp(48px, 7vw, 96px);
}

.page-faq .faq-body__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 48px);
}

.page-faq .faq-index__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--grey-blue);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
}

.page-faq .faq-index__link {
  display: block;
  padding: 9px 0 9px 14px;
  border-left: 2px solid var(--line);
  color: var(--grey-blue);
  font-size: 14px;
  line-height: 1.5;
  text-decoration: none;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), padding-left 0.2s var(--ease);
}

.page-faq .faq-index__link:hover {
  color: var(--ink-text);
  border-left-color: var(--blue);
}

.page-faq .faq-index__link[aria-current="true"] {
  color: var(--ink-text);
  font-weight: 700;
  border-left-color: var(--orange);
  padding-left: 18px;
}

.page-faq .faq-index__card {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--paper-soft);
  padding: 16px;
}

.page-faq .faq-index__card-title {
  margin: 0 0 6px;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.page-faq .faq-index__card p {
  margin: 0 0 12px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--grey-blue);
}

.page-faq .faq-block {
  scroll-margin-top: 100px;
}

.page-faq .faq-block + .faq-block {
  margin-top: clamp(34px, 4.5vw, 56px);
  padding-top: clamp(28px, 3.5vw, 44px);
  border-top: 1px solid var(--line);
}

.page-faq .faq-block__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin-bottom: 12px;
}

.page-faq .faq-block__num {
  flex: none;
  padding: 4px 11px;
  border-radius: var(--radius-pill);
  background: var(--paper-soft);
  color: var(--blue);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
}

.page-faq .faq-block__title {
  margin: 0;
  font-size: clamp(23px, 3.2vw, 32px);
  font-weight: 800;
  letter-spacing: 0.02em;
  line-height: 1.28;
}

.page-faq .faq-block__lead {
  margin: 0 0 clamp(16px, 2.4vw, 24px);
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--grey-blue);
}

.page-faq .faq-sync-figure {
  margin: 0 0 clamp(18px, 2.6vw, 26px);
  border-radius: var(--faq-radius);
  overflow: hidden;
}

/* 手风琴 */
.page-faq .qa {
  margin-bottom: 10px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.page-faq .qa[open] {
  border-color: rgba(47, 107, 255, 0.5);
  box-shadow: 0 12px 30px rgba(11, 18, 32, 0.07);
}

.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 16px;
  list-style: none;
  cursor: pointer;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--ink-text);
  transition: background 0.2s var(--ease);
}

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

.page-faq .qa__q::after {
  content: "+";
  margin-left: auto;
  flex: none;
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--blue);
}

.page-faq .qa[open] .qa__q::after {
  content: "−";
  color: var(--orange);
}

.page-faq .qa__q:hover {
  background: rgba(47, 107, 255, 0.05);
}

.page-faq .qa__a {
  padding: 0 16px 18px;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(17, 20, 24, 0.78);
}

.page-faq .qa__a p {
  margin: 0 0 10px;
}

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

/* 步骤 */
.page-faq .faq-steps {
  list-style: none;
  margin: 12px 0 10px;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-faq .faq-steps li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  line-height: 1.7;
}

.page-faq .faq-steps__no {
  flex: none;
  width: 22px;
  height: 22px;
  margin-top: 2px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--paper-soft);
  color: var(--blue);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
}

/* ---------- 联系区块 ---------- */
.page-faq .faq-help {
  margin-top: clamp(34px, 4.5vw, 56px);
  padding: clamp(28px, 4vw, 48px) clamp(20px, 3vw, 40px);
  border-radius: 20px;
  background: var(--ink);
  color: var(--paper);
}

.page-faq .faq-help__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 48px);
}

.page-faq .faq-help .eyebrow {
  color: var(--orange);
}

.page-faq .faq-help .section-title {
  margin: 0 0 16px;
  color: var(--paper);
}

.page-faq .faq-help .lede {
  margin: 0 0 26px;
  max-width: 52ch;
  color: rgba(245, 243, 238, 0.8);
}

.page-faq .faq-contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-contact-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 6px 14px;
  padding: 15px 16px;
  border: 1px solid var(--faq-edge);
  border-radius: 12px;
  background: var(--ink-panel);
}

.page-faq .faq-contact-key {
  grid-column: 1;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--mint);
}

.page-faq .faq-contact-val {
  grid-column: 1;
  font-size: 14px;
  line-height: 1.6;
  color: rgba(245, 243, 238, 0.88);
  word-break: break-all;
}

.page-faq .faq-contact-row .copy-btn {
  grid-row: 1 / span 2;
  grid-column: 2;
}

.page-faq .faq-help__note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(245, 243, 238, 0.55);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-tab {
    padding: 24px 22px 20px;
  }

  .page-faq .qa__q {
    padding: 17px 22px;
  }

  .page-faq .qa__a {
    padding: 0 22px 20px;
  }
}

@media (min-width: 940px) {
  .page-faq .faq-hero__layout {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: end;
  }

  .page-faq .faq-tabs {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
  }

  .page-faq .faq-help__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-body__grid {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: clamp(32px, 5vw, 64px);
  }

  .page-faq .faq-index {
    position: sticky;
    top: 96px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-tab,
  .page-faq .qa,
  .page-faq .qa__q,
  .page-faq .faq-index__link {
    transition: none;
  }

  .page-faq .faq-tab:hover {
    transform: none;
  }
}
<<<END>>>