/* ===== 帮助中心页 .page-faq ===== */
.page-faq {
  --faq-border: 3px;
  --faq-shadow: 5px 5px 0 rgba(0, 0, 0, .42);
  --faq-shadow-soft: 3px 3px 0 rgba(0, 0, 0, .3);
}

/* ----- 首屏 Hero ----- */
.page-faq .faq-hero {
  padding: 36px 0 30px;
  background:
    radial-gradient(ellipse at 90% 0%, rgba(201, 164, 92, .12), transparent 46%),
    linear-gradient(135deg, var(--c-bg) 0%, var(--c-primary) 140%);
  border-bottom: var(--faq-border) solid var(--c-border);
}

.page-faq .faq-hero-grid {
  display: grid;
  gap: 28px;
}

.page-faq .faq-hero-main .section-label {
  color: var(--c-gold);
  font-weight: 700;
  letter-spacing: .22em;
  margin-bottom: 10px;
}

.page-faq .faq-hero-title {
  margin: 0 0 14px;
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(28px, 5.4vw, 44px);
  line-height: 1.24;
  color: var(--c-text);
}

.page-faq .faq-hero-desc {
  max-width: 640px;
  margin: 0;
  color: var(--c-text-dim);
  font-size: 15px;
  line-height: 1.8;
}

.page-faq .faq-search-panel {
  background: var(--c-surface);
  border: var(--faq-border) solid var(--c-border);
  box-shadow: var(--faq-shadow);
  padding: 22px 20px;
}

.page-faq .faq-search-label {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 12px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--c-gold);
  text-transform: uppercase;
}

.page-faq .faq-search-box {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--c-bg);
  border: 2px solid var(--c-border);
  padding: 4px 12px;
}

.page-faq .faq-search-box svg {
  flex: none;
  width: 18px;
  height: 18px;
  stroke: var(--c-gold);
}

.page-faq .faq-search-box input {
  width: 100%;
  min-width: 0;
  background: transparent;
  border: 0;
  color: var(--c-text);
  font-family: var(--font-sans);
  font-size: 15px;
  padding: 11px 0;
  outline: none;
}

.page-faq .faq-search-box input::placeholder {
  color: var(--c-text-dim);
  opacity: .8;
}

.page-faq .faq-hot-label {
  margin: 16px 0 0;
  font-size: 14px;
  color: var(--c-text-dim);
}

.page-faq .faq-hot-tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 10px 0 0;
  padding: 0;
}

.page-faq .faq-hot-tags a {
  display: inline-block;
  padding: 6px 12px;
  background: var(--c-bg);
  border: 2px solid var(--c-border);
  color: var(--c-text);
  font-size: 13px;
  line-height: 1.4;
  text-decoration: none;
  transition: border-color .2s ease, color .2s ease, transform .2s ease;
}

.page-faq .faq-hot-tags a:hover,
.page-faq .faq-hot-tags a:focus-visible {
  border-color: var(--c-gold);
  color: var(--c-gold-bright);
  transform: translateY(-2px);
}

/* ----- 帮助流程示意图 ----- */
.page-faq .faq-flow {
  padding: 30px 0 8px;
}

.page-faq .faq-flow-img {
  display: block;
  width: 100%;
  height: auto;
  border: var(--faq-border) solid var(--c-border);
  box-shadow: var(--faq-shadow-soft);
}

/* ----- 快速入门 ----- */
.page-faq .faq-quickstart {
  padding: 44px 0 16px;
}

.page-faq .section-head {
  margin-bottom: 30px;
}

.page-faq .faq-step-grid {
  display: grid;
  gap: 22px;
}

.page-faq .faq-step-card {
  position: relative;
  margin-top: 18px;
  padding: 30px 22px 22px;
  background: var(--c-surface);
  border: var(--faq-border) solid var(--c-border);
  box-shadow: var(--faq-shadow-soft);
  transition: border-color .2s ease;
}

.page-faq .faq-step-card:nth-child(2) {
  margin-top: 26px;
}

.page-faq .faq-step-card:hover {
  border-color: var(--c-primary-high);
}

.page-faq .faq-step-num {
  position: absolute;
  top: -20px;
  left: 16px;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  background: var(--c-gold);
  border: 2px solid var(--c-bg);
  box-shadow: var(--faq-shadow-soft);
  color: var(--c-bg);
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 900;
  transform: skewX(-8deg);
}

.page-faq .faq-step-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 900;
  color: var(--c-text);
}

.page-faq .faq-step-card p {
  margin: 0;
  color: var(--c-text-dim);
  font-size: 15px;
  line-height: 1.75;
}

.page-faq .faq-quickstart-more {
  margin: 26px 0 0;
  font-size: 15px;
}

.page-faq .faq-quickstart-more a {
  color: var(--c-gold-bright);
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

.page-faq .faq-quickstart-more a:hover {
  color: var(--c-gold);
}

/* ----- 常见问题分类 ----- */
.page-faq .faq-categories {
  padding: 44px 0 24px;
}

.page-faq .faq-tabs.tabs {
  margin-top: 4px;
}

.page-faq .faq-tablist.tablist {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  border-bottom: var(--faq-border) solid var(--c-border);
}

.page-faq .faq-tablist [data-tab] {
  -webkit-appearance: none;
  appearance: none;
  background: transparent;
  border: 0;
  border-bottom: 3px solid transparent;
  margin-bottom: -3px;
  padding: 12px 16px 10px;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 700;
  color: var(--c-text-dim);
  cursor: pointer;
  transition: color .2s ease, border-color .2s ease;
}

.page-faq .faq-tablist [data-tab]:hover {
  color: var(--c-text);
}

.page-faq .faq-tablist [data-tab][aria-selected="true"] {
  color: var(--c-gold);
  border-bottom-color: var(--c-gold);
}

.page-faq .faq-tablist [data-tab]:focus-visible {
  outline: 2px solid var(--c-gold);
  outline-offset: 2px;
}

.page-faq .faq-tabpanel {
  padding-top: 22px;
}

/* ----- 手风琴 ----- */
.page-faq .faq-accordion {
  display: grid;
  gap: 14px;
}

.page-faq .faq-item {
  background: var(--c-surface);
  border: var(--faq-border) solid var(--c-border);
  box-shadow: var(--faq-shadow-soft);
}

.page-faq .faq-item summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 16px 16px 18px;
  font-weight: 700;
  font-size: 15px;
  line-height: 1.5;
  color: var(--c-text);
  cursor: pointer;
  transition: background .2s ease;
}

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

.page-faq .faq-item summary::after {
  content: "+";
  flex: none;
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border: 2px solid var(--c-gold);
  color: var(--c-gold);
  font-size: 18px;
  font-weight: 700;
  line-height: 1;
  transition: transform .25s ease-out, background .2s ease, color .2s ease;
}

.page-faq .faq-item[open] {
  background: var(--c-primary);
}

.page-faq .faq-item[open] summary {
  background: var(--c-primary-high);
}

.page-faq .faq-item[open] summary::after {
  transform: rotate(45deg);
  background: var(--c-gold);
  color: var(--c-bg);
}

.page-faq .faq-item:target {
  border-color: var(--c-gold);
  box-shadow: 0 0 0 2px rgba(201, 164, 92, .35), var(--faq-shadow-soft);
}

.page-faq .faq-answer {
  margin: 0;
  padding: 14px 18px 18px;
  border-top: 1px solid var(--c-border);
  color: var(--c-text-dim);
  font-size: 15px;
  line-height: 1.8;
}

/* ----- 数据面板图文布局 ----- */
.page-faq .faq-data-layout {
  display: grid;
  gap: 20px;
}

.page-faq .faq-data-figure {
  display: grid;
  margin: 0;
  align-self: start;
  background: var(--c-surface);
  border: var(--faq-border) solid var(--c-border);
  box-shadow: var(--faq-shadow-soft);
}

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

.page-faq .faq-data-figure figcaption {
  padding: 12px 14px;
  border-top: 2px solid var(--c-border);
  color: var(--c-text-dim);
  font-size: 13px;
  line-height: 1.6;
}

/* ----- 联系客服 ----- */
.page-faq .faq-contact {
  position: relative;
  margin-top: 28px;
  padding: 48px 0 50px;
  background: linear-gradient(160deg, var(--c-primary) 0%, var(--c-bg) 100%);
  border-bottom: var(--faq-border) solid var(--c-border);
}

.page-faq .faq-contact::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 14px;
  background: var(--c-gold);
  clip-path: polygon(0 0, 74% 0, 92% 100%, 0 100%);
}

.page-faq .faq-contact-grid {
  display: grid;
  gap: 24px;
}

.page-faq .faq-contact h2 {
  margin: 0 0 12px;
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 900;
  color: var(--c-text);
}

.page-faq .faq-contact-lead {
  margin: 0 0 18px;
  color: var(--c-text-dim);
  font-size: 15px;
  line-height: 1.7;
}

.page-faq .faq-contact-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: var(--c-surface);
  border: 2px solid var(--c-border);
  font-size: 15px;
  color: var(--c-text);
  word-break: break-all;
}

.page-faq .faq-contact-item + .faq-contact-item {
  margin-top: 10px;
}

.page-faq .faq-contact-item strong {
  flex: none;
  color: var(--c-gold);
  font-size: 13px;
  letter-spacing: .1em;
}

.page-faq .faq-contact-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: flex-start;
}

/* ----- 桌面端布局 ----- */
@media (min-width: 860px) {
  .page-faq .faq-hero {
    padding: 52px 0 44px;
  }

  .page-faq .faq-hero-grid {
    grid-template-columns: 1.3fr .7fr;
    gap: 40px;
    align-items: end;
  }

  .page-faq .faq-hero-desc {
    font-size: 16px;
  }

  .page-faq .faq-step-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 26px;
  }

  .page-faq .faq-step-card:nth-child(2) {
    margin-top: 38px;
  }

  .page-faq .faq-step-card:nth-child(3) {
    margin-top: 10px;
  }

  .page-faq .faq-data-layout {
    grid-template-columns: 1.1fr .9fr;
    gap: 24px;
  }

  .page-faq .faq-contact-grid {
    grid-template-columns: 1.2fr .8fr;
    align-items: center;
  }

  .page-faq .faq-contact-actions {
    align-items: flex-end;
  }

  .page-faq .faq-tablist [data-tab] {
    font-size: 16px;
    padding: 14px 22px 12px;
  }
}