/* ===== 帮助中心 /help/ ===== */
.page-faq {
  --faq-cut: 18px;
}

.page-faq .faq-hero {
  position: relative;
  padding: calc(var(--step) * 1.5) 0 0;
  background: radial-gradient(780px 300px at 82% -8%, rgba(47, 191, 113, .14), transparent 68%);
}

.page-faq .faq-hero .breadcrumbs {
  margin-bottom: calc(var(--step) * 1.25);
}

.page-faq .faq-title {
  margin: 0;
  max-width: 22ch;
  font-family: var(--serif);
  font-size: clamp(28px, 6vw, 52px);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: .01em;
  color: var(--text);
}

.page-faq .faq-lede {
  margin: calc(var(--step) * .75) 0 0;
  max-width: 48em;
  color: var(--text-2);
}

.page-faq .faq-hero-media {
  position: relative;
  margin-top: calc(var(--step) * 1.5);
  overflow: hidden;
  background: var(--turf);
  border-top: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 48px), calc(100% - 48px) 100%, 0 100%);
}

.page-faq .faq-hero-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 7 / 4;
  object-fit: cover;
  filter: saturate(.85) brightness(.78);
}

.page-faq .ribbon {
  margin-top: calc(var(--step) * 1.5);
}

.page-faq .faq-body {
  padding-top: calc(var(--step) * 1.5);
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: calc(var(--step) * 2);
}

@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: 248px minmax(0, 1fr);
    gap: calc(var(--step) * 2.5);
    align-items: start;
  }
  .page-faq .faq-side {
    position: sticky;
    top: 92px;
  }
}

/* ---- 左侧分类 ---- */
.page-faq .faq-side-title {
  margin: 0 0 14px;
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--green);
}

.page-faq .faq-cats {
  display: grid;
  gap: 4px;
}

.page-faq .faq-cat {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 12px 14px;
  border-left: 2px solid var(--line);
  color: var(--text-2);
  text-decoration: none;
  transition: color var(--dur) var(--ease), background-color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-cat-num {
  flex: none;
  font-family: var(--num);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .08em;
  font-variant-numeric: tabular-nums;
  color: var(--green);
}

.page-faq .faq-cat-name {
  font-size: 14px;
  line-height: 1.5;
}

.page-faq .faq-cat:hover,
.page-faq .faq-cat:focus-visible {
  color: var(--text);
  background: var(--panel);
  border-left-color: var(--green);
}

.page-faq .faq-side-panel {
  margin-top: calc(var(--step) * 1.5);
  padding: 18px 16px;
  border: 1px solid var(--line);
  background: var(--panel);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
}

.page-faq .faq-side-panel p {
  margin: 0 0 10px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--text-2);
}

.page-faq .faq-side-panel .faq-side-strong {
  color: var(--text);
  font-weight: 600;
}

.page-faq .faq-side-link {
  display: inline-block;
  font-size: 13px;
  color: var(--green);
  text-decoration: none;
  border-bottom: 1px solid var(--green-deep);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-side-link:hover {
  color: var(--orange-soft);
  border-bottom-color: var(--orange);
}

/* ---- 问答分组 ---- */
.page-faq .faq-group + .faq-group {
  margin-top: calc(var(--step) * 3);
  padding-top: calc(var(--step) * 1.25);
  border-top: 1px solid var(--line);
}

.page-faq .faq-group .section-head {
  margin-bottom: calc(var(--step) * 1.25);
}

.page-faq .faq-group .section-title {
  font-size: clamp(21px, 3.6vw, 30px);
}

.page-faq .faq-group .section-note {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-2);
}

.page-faq .faq-visual {
  display: grid;
  gap: var(--step);
  margin-bottom: calc(var(--step) * 1.5);
}

@media (min-width: 720px) {
  .page-faq .faq-visual {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: center;
  }
}

.page-faq .faq-steps {
  margin: 0;
  padding: 18px 16px 14px;
  border: 1px solid var(--line);
  background: var(--panel);
  clip-path: polygon(0 0, calc(100% - var(--faq-cut)) 0, 100% var(--faq-cut), 100% 100%, 0 100%);
}

.page-faq .faq-steps-svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-faq .fs-dot { fill: var(--green); }
.page-faq .fs-num {
  fill: var(--ink);
  font-family: var(--num);
  font-size: 18px;
  font-weight: 800;
  text-anchor: middle;
}
.page-faq .fs-box {
  fill: var(--turf);
  stroke: var(--line);
  stroke-width: 1.5;
}
.page-faq .fs-label {
  fill: var(--text);
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 600;
}
.page-faq .fs-line {
  stroke: var(--green-deep);
  stroke-width: 1.5;
  stroke-dasharray: 5 5;
}
.page-faq .fs-tip { fill: var(--green); }

.page-faq .faq-steps figcaption {
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: .03em;
  color: var(--text-2);
}

.page-faq .faq-figure {
  margin: 0;
}

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

/* ---- 折叠问答 ---- */
.page-faq .qa-list {
  display: grid;
  gap: 8px;
}

.page-faq .qa {
  border: 1px solid var(--line);
  background: var(--panel);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-faq .qa:hover {
  border-color: var(--green-deep);
}

.page-faq .qa[open] {
  border-color: var(--green-deep);
  background: var(--turf);
}

.page-faq .qa-q {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: start;
  gap: 12px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--sans);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--mist);
  transition: color var(--dur) var(--ease);
}

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

.page-faq .qa-q:hover,
.page-faq .qa[open] .qa-q {
  color: var(--text);
}

.page-faq .qa-mark {
  font-family: var(--num);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .06em;
  color: var(--green);
  line-height: 1.9;
}

.page-faq .qa-toggle {
  position: relative;
  width: 14px;
  height: 14px;
  margin-top: 6px;
  flex: none;
}

.page-faq .qa-toggle::before,
.page-faq .qa-toggle::after {
  content: "";
  position: absolute;
  background: var(--green);
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}

.page-faq .qa-toggle::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 2px;
}

.page-faq .qa-toggle::after {
  left: 6px;
  top: 0;
  width: 2px;
  height: 14px;
}

.page-faq .qa[open] .qa-toggle::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .qa-a {
  padding: 0 18px 18px 47px;
  animation: faq-fade 180ms var(--ease) both;
}

.page-faq .qa-a p {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-2);
}

@keyframes faq-fade {
  from { opacity: 0; }
  to { opacity: 1; }
}

@media (max-width: 560px) {
  .page-faq .qa-a {
    padding-left: 18px;
  }
  .page-faq .qa-q {
    font-size: 15px;
    padding: 14px 14px;
    gap: 9px;
  }
}

/* ---- 分类收束 ---- */
.page-faq .faq-group-foot {
  margin: calc(var(--step) * 1.25) 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--green-deep);
  font-size: 13px;
  line-height: 1.75;
  color: var(--text-2);
}

.page-faq .faq-group-foot a {
  color: var(--green);
  text-decoration: none;
  border-bottom: 1px solid var(--green-deep);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-group-foot a:hover {
  color: var(--orange-soft);
  border-bottom-color: var(--orange);
}

/* ---- 联系客服 ---- */
.page-faq .faq-contact {
  display: grid;
  gap: var(--step);
  padding: calc(var(--step) * 1.25) calc(var(--step) * 1.15);
  border: 1px solid var(--line);
  background: var(--turf);
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%);
}

@media (min-width: 700px) {
  .page-faq .faq-contact {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }
}

.page-faq .faq-contact-label {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--green);
}

.page-faq .faq-contact-value {
  margin: 0;
  font-family: var(--num);
  font-size: clamp(17px, 2.4vw, 20px);
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--text);
  overflow-wrap: anywhere;
}

.page-faq .faq-contact-note {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--text-2);
}

.page-faq .faq-contact-list {
  list-style: none;
  margin: calc(var(--step) * 1.1) 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-faq .faq-contact-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-2);
}

.page-faq .faq-contact-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 8px;
  height: 1px;
  background: var(--green);
}

/* ---- 返回顶部 ---- */
.page-faq .faq-top {
  position: fixed;
  right: 16px;
  bottom: 76px;
  z-index: 20;
  padding: 9px 14px;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--text);
  text-decoration: none;
  background: var(--panel);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 0 100%);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

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

@media (min-width: 960px) {
  .page-faq .faq-top {
    right: 32px;
    bottom: 32px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
}