/* ===== 省心指南 /help/ 页面专属样式 ===== */

.page-faq {
  --faq-rule: rgba(19, 26, 32, 0.14);
  --faq-rule-strong: rgba(19, 26, 32, 0.3);
  --faq-soft: #E9DFCE;
  --faq-aside: #4C5760;
  --faq-answer: #232D35;
  background: var(--paper);
  color: var(--text);
  overflow-x: hidden;
}

.page-faq *,
.page-faq *::before,
.page-faq *::after {
  box-sizing: border-box;
}

/* ---- 面包屑 ---- */
.page-faq .faq-crumb {
  background: var(--paper);
  padding: 16px 0 4px;
  font-family: var(--font-num);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-faq .faq-crumb a {
  color: var(--lake-deep);
  text-decoration: none;
}

.page-faq .faq-crumb a:hover,
.page-faq .faq-crumb a:focus-visible {
  color: var(--coral);
}

.page-faq .faq-crumb__sep {
  margin: 0 8px;
  color: var(--mist);
}

.page-faq .faq-crumb [aria-current="page"] {
  color: var(--text);
}

/* ---- 首屏 ---- */
.page-faq .faq-hero {
  position: relative;
  padding: 42px 0 108px;
  background:
    radial-gradient(115% 85% at 84% 4%, rgba(23, 162, 214, 0.3), transparent 62%),
    radial-gradient(80% 70% at 4% 96%, rgba(255, 106, 69, 0.18), transparent 64%),
    var(--ink);
  color: var(--text-inv);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 28px), 0 100%);
}

.page-faq .faq-hero__kicker {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0 0 20px;
  font-family: var(--font-num);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-faq .faq-hero__kicker-num {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: 0;
  color: var(--lemon);
}

.page-faq .faq-hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(58px, 12vw, 146px);
  font-weight: 900;
  line-height: 0.9;
  letter-spacing: -0.02em;
  color: var(--text-inv);
}

.page-faq .faq-hero__sub {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-size: clamp(18px, 2.6vw, 29px);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: 0.02em;
  color: var(--lake-soft);
}

.page-faq .faq-hero__lede {
  margin: 26px 0 0;
  max-width: 34em;
  font-size: 17px;
  line-height: 1.9;
  color: var(--text-inv);
  opacity: 0.86;
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

/* ---- 主题索引条 ---- */
.page-faq .topic-index {
  background: var(--paper-2);
  padding: 22px 0;
}

.page-faq .topic-index__nav {
  width: 100%;
}

.page-faq .topic-index__list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: rgba(19, 26, 32, 0.12);
}

.page-faq .topic-index__link {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  column-gap: 10px;
  row-gap: 4px;
  align-items: baseline;
  padding: 18px 16px 20px;
  background: var(--paper-2);
  text-decoration: none;
  color: var(--text);
  transition: background var(--dur-micro) var(--ease-in), color var(--dur-micro) var(--ease-in);
}

.page-faq .topic-index__num {
  grid-row: 1 / 3;
  font-size: 26px;
  line-height: 1;
  color: var(--lake-deep);
}

.page-faq .topic-index__label {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.01em;
  line-height: 1.2;
}

.page-faq .topic-index__count {
  font-family: var(--font-num);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-faq .topic-index__link:hover,
.page-faq .topic-index__link:focus-visible {
  background: var(--paper);
}

.page-faq .topic-index__link:hover .topic-index__num,
.page-faq .topic-index__link:focus-visible .topic-index__num {
  color: var(--coral);
}

.page-faq .topic-index__link[aria-current] {
  background: var(--ink);
  color: var(--text-inv);
}

.page-faq .topic-index__link[aria-current] .topic-index__num {
  color: var(--lemon);
}

.page-faq .topic-index__link[aria-current] .topic-index__count {
  color: var(--mist);
}

/* ---- 轨迹线分隔 ---- */
.page-faq .faq-trail {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 40px var(--gutter);
}

.page-faq .faq-trail__line {
  display: block;
  position: relative;
  height: 1.5px;
  width: 100%;
  background: linear-gradient(
    90deg,
    var(--lake) 0%,
    rgba(23, 162, 214, 0.45) 32%,
    rgba(23, 162, 214, 0.1) 72%,
    rgba(23, 162, 214, 0) 100%
  );
}

.page-faq .faq-trail__line::before {
  content: "";
  position: absolute;
  left: 0;
  top: -3px;
  width: 8px;
  height: 8px;
  background: var(--lake);
}

/* ---- 问答分组 ---- */
.page-faq .faq-group {
  position: relative;
  padding: 56px 0 12px;
}

.page-faq .faq-group::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 6px;
  background: var(--ribbon, var(--lake));
}

.page-faq .faq-group--login { --ribbon: var(--lake); }
.page-faq .faq-group--sub { --ribbon: var(--lemon); }
.page-faq .faq-group--report { --ribbon: var(--coral); }
.page-faq .faq-group--local { --ribbon: var(--moss); }

.page-faq .faq-group__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
}

.page-faq .faq-group__main {
  min-width: 0;
}

.page-faq .faq-group__kicker {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0 0 12px;
  font-family: var(--font-num);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-faq .faq-group__kicker .idx {
  font-size: 24px;
  line-height: 1;
  color: var(--ribbon, var(--lake));
}

.page-faq .faq-group__title {
  margin: 0 0 28px;
  max-width: 17em;
  font-family: var(--font-display);
  font-size: clamp(26px, 3.6vw, 42px);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--text);
}

/* ---- 图 ---- */
.page-faq .faq-figure {
  margin: 0 0 32px;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  background: var(--ink);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
}

.page-faq .faq-figure figcaption {
  margin-top: 12px;
  max-width: 42em;
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--faq-aside);
}

/* ---- 可展开问答组 ---- */
.page-faq .qa {
  border-top: 1px solid var(--faq-rule-strong);
}

.page-faq .qa-item {
  border-bottom: 1px solid var(--faq-rule);
}

.page-faq .qa-item__q {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  column-gap: 10px;
  align-items: start;
  position: relative;
  padding: 20px 42px 20px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 600;
  line-height: 1.62;
  color: var(--text);
  transition: color var(--dur-micro) var(--ease-in);
}

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

.page-faq .qa-item__q::marker {
  content: "";
}

.page-faq .qa-item__q:hover,
.page-faq .qa-item__q:focus-visible {
  color: var(--lake-deep);
}

.page-faq .qa-item__num {
  font-family: var(--font-num);
  font-size: 12.5px;
  font-weight: 400;
  line-height: 2.2;
  letter-spacing: 0.04em;
  color: var(--mist);
  transition: color var(--dur-micro) var(--ease-in);
}

.page-faq .qa-item[open] .qa-item__num {
  color: var(--coral);
}

.page-faq .qa-item__text {
  min-width: 0;
}

.page-faq .qa-item__arrow {
  position: absolute;
  right: 10px;
  top: 26px;
  width: 12px;
  height: 12px;
  display: block;
}

.page-faq .qa-item__arrow::before {
  content: "";
  display: block;
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--mist);
  border-bottom: 2px solid var(--mist);
  transform: rotate(45deg);
  transition: transform var(--dur-expand) var(--ease-in), border-color var(--dur-micro) var(--ease-in);
}

.page-faq .qa-item[open] > .qa-item__q .qa-item__arrow::before {
  transform: rotate(-135deg);
  border-color: var(--coral);
}

.page-faq .qa-item__a {
  padding: 0 42px 28px 44px;
  border-left: 1px solid var(--faq-rule);
  margin-left: 0;
}

.page-faq .qa-item__a p {
  margin: 0 0 14px;
  max-width: 34em;
  font-size: 16.5px;
  line-height: 1.95;
  color: var(--faq-answer);
}

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

/* ---- 两步路径图 ---- */
.page-faq .step-path {
  display: block;
  width: 100%;
  max-width: 380px;
  height: auto;
  margin: 20px 0 4px;
}

.page-faq .step-path__line {
  stroke: var(--lake);
  stroke-width: 1.5;
  stroke-dasharray: 5 6;
}

.page-faq .step-path__node rect {
  fill: var(--ink);
  stroke: var(--lemon);
  stroke-width: 2;
}

.page-faq .step-path__node text {
  fill: var(--lemon);
  font-family: var(--font-num);
  font-size: 15px;
}

/* ---- 旁注栏 ---- */
.page-faq .faq-group__aside {
  font-size: 15px;
  line-height: 1.9;
  color: var(--faq-aside);
}

.page-faq .aside-note {
  margin: 0 0 16px;
  padding-left: 16px;
  border-left: 2px solid var(--ribbon, var(--lake));
}

.page-faq .faq-aside__more {
  margin: 0;
  padding-left: 16px;
  font-family: var(--font-num);
  font-size: 12.5px;
  letter-spacing: 0.03em;
  color: var(--mist);
}

.page-faq .aside-link,
.page-faq .qa-item__a .link {
  color: var(--lake-deep);
  text-decoration: none;
  border-bottom: 1px solid rgba(12, 85, 112, 0.35);
  transition: color var(--dur-micro) var(--ease-in), border-color var(--dur-micro) var(--ease-in);
}

.page-faq .aside-link:hover,
.page-faq .aside-link:focus-visible,
.page-faq .qa-item__a .link:hover,
.page-faq .qa-item__a .link:focus-visible {
  color: var(--coral);
  border-color: var(--coral);
}

.page-faq .is-linked {
  background: var(--lemon);
  box-shadow: 0 0 0 2px var(--lemon);
}

/* ---- 结尾提示 ---- */
.page-faq .faq-outro {
  margin-top: 48px;
  background:
    radial-gradient(90% 120% at 92% 10%, rgba(23, 162, 214, 0.26), transparent 62%),
    var(--moss);
  color: var(--text-inv);
  padding: 52px 0 56px;
  clip-path: polygon(0 14px, 100% 0, 100% 100%, 0 100%);
}

.page-faq .faq-outro__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}

.page-faq .faq-outro__kicker {
  margin: 0 0 12px;
  font-family: var(--font-num);
  font-size: 12.5px;
  letter-spacing: 0.14em;
  color: var(--lemon);
}

.page-faq .faq-outro__title {
  margin: 0 0 14px;
  max-width: 20em;
  font-family: var(--font-display);
  font-size: clamp(24px, 3.2vw, 38px);
  font-weight: 800;
  line-height: 1.18;
  color: var(--text-inv);
}

.page-faq .faq-outro__body {
  margin: 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.9;
  color: var(--text-inv);
  opacity: 0.82;
}

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

/* ---- 滚动显现 ---- */
.has-js .page-faq [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 640ms var(--ease-in), transform 640ms var(--ease-in);
}

.has-js .page-faq [data-reveal].is-revealed {
  opacity: 1;
  transform: none;
}

/* ---- 窄屏 ---- */
@media (max-width: 620px) {
  .page-faq .faq-hero {
    padding: 34px 0 92px;
  }

  .page-faq .faq-hero__actions .btn {
    flex: 1 1 auto;
    text-align: center;
  }

  .page-faq .topic-index {
    padding: 16px 0;
  }

  .page-faq .topic-index__list {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-faq .topic-index__link {
    padding: 14px 14px 16px;
  }

  .page-faq .topic-index__num {
    font-size: 22px;
  }

  .page-faq .faq-group {
    padding: 40px 0 8px;
  }

  .page-faq .faq-group::before {
    width: 4px;
  }

  .page-faq .qa-item__q {
    grid-template-columns: 26px minmax(0, 1fr);
    column-gap: 8px;
    padding: 18px 36px 18px 0;
    font-size: 16.5px;
  }

  .page-faq .qa-item__num {
    font-size: 11.5px;
  }

  .page-faq .qa-item__a {
    padding: 0 8px 24px 34px;
  }

  .page-faq .qa-item__a p {
    font-size: 16px;
    line-height: 1.92;
  }

  .page-faq .faq-trail {
    padding: 28px var(--gutter);
  }

  .page-faq .faq-outro {
    padding: 44px 0 48px;
  }
}

/* ---- 宽屏：非对称双栏 ---- */
@media (min-width: 900px) {
  .page-faq .faq-group {
    padding: 76px 0 18px;
  }

  .page-faq .faq-group__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    column-gap: 56px;
    align-items: start;
  }

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

  .page-faq .faq-outro__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    column-gap: 56px;
    align-items: center;
  }

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

@media (min-width: 1240px) {
  .page-faq .faq-group__inner {
    column-gap: 72px;
  }

  .page-faq .qa-item__q {
    padding-right: 56px;
  }

  .page-faq .qa-item__a {
    padding-right: 56px;
  }
}

/* ---- 降低动效 ---- */
@media (prefers-reduced-motion: reduce) {
  .has-js .page-faq [data-reveal] {
    opacity: 1;
    transform: none;
    transition: opacity 120ms linear;
  }

  .page-faq .qa-item__arrow::before,
  .page-faq .topic-index__link,
  .page-faq .qa-item__num {
    transition-duration: 120ms;
  }
}