/* ===== 帮助中心 · 页面专属样式（作用域 .page-faq） ===== */

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

/* --- 首屏 --- */
.page-faq .faq-hero {
  position: relative;
  padding: 34px 0 30px;
  scroll-margin-top: calc(var(--topline-h) + 16px);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 12px;
  background: repeating-linear-gradient(
    90deg,
    var(--grass) 0 72px,
    var(--yellow) 72px 144px,
    var(--red) 144px 216px,
    var(--orange) 216px 288px
  );
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: 28px;
  align-items: end;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(30px, 6.6vw, 68px);
  line-height: 1.04;
  letter-spacing: -0.015em;
  margin: 14px 0 16px;
  max-width: 16ch;
}

.page-faq .faq-hero .lead {
  max-width: 42ch;
  font-size: 16.5px;
  line-height: 1.8;
  color: var(--ink-2);
  margin: 0;
}

.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 26px;
}

.page-faq .faq-jump__label {
  width: 100%;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--fog);
  margin-bottom: 2px;
}

.page-faq .faq-jump .chip {
  text-decoration: none;
}

.page-faq .faq-hero__media {
  margin: 0;
  border: 3px solid var(--ink);
  background: var(--card);
  box-shadow: var(--shadow);
  padding: 10px;
}

.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 12 / 7;
  object-fit: cover;
}

.page-faq .faq-hero__media figcaption {
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--fog);
  padding: 10px 4px 2px;
}

/* --- 主体双栏 --- */
.page-faq .faq-body {
  background: var(--paper);
}

.page-faq .faq-layout {
  display: grid;
  gap: 30px;
  padding: 38px 0 60px;
}

/* --- 左侧分类轨道 --- */
.page-faq .faq-rail__title {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--brown);
  margin: 0 0 10px;
}

.page-faq .faq-rail__list {
  display: flex;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0 0 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-rail__list li {
  flex: none;
}

.page-faq .faq-rail__list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 9px 13px;
  border: 2px solid var(--ink);
  background: var(--card);
  color: var(--ink);
  text-decoration: none;
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
  transition: background 0.18s var(--ease), color 0.18s var(--ease);
}

.page-faq .faq-rail__list a:hover,
.page-faq .faq-rail__list a:focus-visible {
  background: var(--grass);
  color: var(--paper);
}

.page-faq .faq-rail__list .num {
  font-size: 11px;
  opacity: 0.6;
}

/* --- 问答分组 --- */
.page-faq .faq-group {
  margin-bottom: 46px;
  scroll-margin-top: calc(var(--topline-h) + 22px);
}

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

.page-faq .faq-groups > .faq-group:nth-child(1) { --accent: var(--grass); }
.page-faq .faq-groups > .faq-group:nth-child(2) { --accent: var(--red); }
.page-faq .faq-groups > .faq-group:nth-child(3) { --accent: var(--orange); }
.page-faq .faq-groups > .faq-group:nth-child(4) { --accent: var(--yellow); }
.page-faq .faq-groups > .faq-group:nth-child(5) { --accent: var(--grass-2); }
.page-faq .faq-groups > .faq-group:nth-child(6) { --accent: var(--brown); }

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 3px solid var(--ink);
  margin-bottom: 18px;
}

.page-faq .faq-group__no {
  flex: none;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--ink);
  background: var(--accent, var(--grass));
  padding: 3px 9px;
}

.page-faq .faq-group__head h2 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(20px, 2.7vw, 30px);
  line-height: 1.25;
  margin: 0;
}

/* --- 折叠问答卡 --- */
.page-faq .faq-item {
  border: 2px solid var(--ink);
  background: var(--card);
  box-shadow: var(--shadow-sm);
  margin-bottom: 14px;
  transition: box-shadow 0.18s var(--ease), transform 0.18s var(--ease);
}

.page-faq .faq-item:hover:not([open]) {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 var(--ink);
}

.page-faq .faq-item[open] {
  box-shadow: 6px 6px 0 var(--accent, var(--grass));
}

.page-faq .faq-item > summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 18px;
  cursor: pointer;
  list-style: none;
  font-weight: 700;
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
}

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

.page-faq .faq-item > summary:focus-visible {
  outline: 3px solid var(--grass);
  outline-offset: -3px;
}

.page-faq .faq-item > summary::after {
  content: "+";
  flex: none;
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1.15;
  color: var(--accent, var(--grass));
}

.page-faq .faq-item[open] > summary::after {
  content: "−";
}

.page-faq .faq-item__no {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--accent, var(--grass));
  padding-top: 5px;
}

.page-faq .faq-item__a {
  margin: 0 18px;
  padding: 14px 0 18px;
  border-top: 1px solid rgba(95, 102, 114, 0.4);
}

.page-faq .faq-item__a p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--ink-2);
  max-width: 46ch;
}

.page-faq .faq-item__a a {
  color: var(--grass);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

/* --- 分组内插图 --- */
.page-faq .faq-figure {
  margin: 24px 0 0;
  border: 3px solid var(--ink);
  background: var(--card);
  box-shadow: var(--shadow-sm);
  padding: 8px;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-faq .faq-figure figcaption {
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--fog);
  padding: 10px 4px 2px;
}

/* --- 复制联系方式 --- */
.page-faq .faq-copy-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 16px;
  padding: 14px 16px;
  border: 2px dashed var(--brown);
  background: var(--paper-2);
}

.page-faq .faq-copy-row__val {
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
  word-break: break-all;
}

.page-faq .faq-copy-row .copy-status {
  font-size: 12.5px;
  color: var(--grass);
  font-family: var(--font-mono);
}

/* --- 收束区 --- */
.page-faq .faq-outro {
  position: relative;
  background: var(--ink);
  color: var(--paper);
  padding: 44px 0 52px;
}

.page-faq .faq-outro::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 10px;
  background: linear-gradient(
    90deg,
    var(--grass) 0 34%,
    var(--yellow) 34% 67%,
    var(--orange) 67% 100%
  );
}

.page-faq .faq-outro h2 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(23px, 3.4vw, 36px);
  line-height: 1.2;
  margin: 0 0 12px;
  color: var(--paper);
}

.page-faq .faq-outro p {
  max-width: 44ch;
  margin: 0 0 22px;
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(245, 240, 230, 0.85);
}

.page-faq .faq-outro__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.page-faq .faq-top {
  font-size: 13.5px;
  color: var(--paper);
  text-decoration: none;
  border-bottom: 2px solid var(--paper);
  padding-bottom: 2px;
}

.page-faq .faq-top:hover {
  color: var(--yellow);
  border-color: var(--yellow);
}

/* --- 桌面端 --- */
@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: 48px 0 40px;
  }

  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: 48px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: 212px minmax(0, 1fr);
    gap: 54px;
    padding: 56px 0 88px;
    align-items: start;
  }

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

  .page-faq .faq-rail__list {
    display: block;
    overflow: visible;
    padding: 0;
  }

  .page-faq .faq-rail__list li {
    margin-bottom: 8px;
  }

  .page-faq .faq-rail__list a {
    width: 100%;
    border-width: 3px;
    padding: 11px 14px;
  }

  .page-faq .faq-item > summary {
    padding: 17px 22px;
    font-size: 17px;
  }

  .page-faq .faq-item__a {
    margin: 0 22px;
    padding: 16px 0 20px 34px;
  }

  .page-faq .faq-figure {
    margin-top: 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-rail__list a {
    transition: none;
  }
}
<<<END>>>