.page-faq {
  --faq-coral: var(--c-coral);
  --faq-coral-deep: var(--c-coral-deep);
  --faq-sea: var(--c-sea);
  --faq-sea-deep: var(--c-sea-deep);
  --faq-moss: var(--c-moss);
  --faq-sand: var(--c-sand);
  --faq-sand-light: var(--c-sand-light);
  --faq-cream: var(--c-cream);
  --faq-ink: var(--c-ink);
  --faq-ink-soft: var(--c-ink-soft);
  --faq-rock: var(--c-rock);
  background: repeating-linear-gradient(-45deg, transparent, transparent 14px, rgba(23, 69, 111, 0.035) 14px, rgba(23, 69, 111, 0.035) 15px), var(--faq-cream);
  padding: 36px 20px 72px;
}

.page-faq__container {
  max-width: var(--container);
  margin: 0 auto;
}

/* 面包屑 */
.page-faq__crumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  letter-spacing: 0.02em;
  margin-bottom: 28px;
  color: var(--faq-ink-soft);
}

.page-faq__crumb {
  color: var(--faq-ink-soft);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}

.page-faq__crumb:hover {
  color: var(--faq-coral);
  border-color: var(--faq-coral);
}

.page-faq__crumb-sep {
  color: var(--faq-rock);
}

.page-faq__crumb-current {
  color: var(--faq-ink);
  font-weight: 600;
}

/* Hero */
.page-faq__hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  margin-bottom: 36px;
  position: relative;
}

.page-faq__hero-copy {
  position: relative;
  z-index: 1;
}

.page-faq__vert-note {
  writing-mode: vertical-rl;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--faq-coral);
  position: absolute;
  right: -4px;
  top: 8px;
  opacity: 0.75;
  pointer-events: none;
}

.page-faq__hero-copy .label {
  display: inline-block;
  margin-bottom: 12px;
}

.page-faq__title {
  font-size: clamp(28px, 6vw, 44px);
  line-height: 1.2;
  font-weight: 900;
  letter-spacing: 0.02em;
  margin: 0 0 14px;
  color: var(--faq-ink);
  max-width: 720px;
}

.page-faq__lead {
  font-size: 15px;
  line-height: 1.8;
  color: var(--faq-ink-soft);
  max-width: 640px;
  margin: 0;
}

.page-faq__hero-panel {
  background: var(--faq-sea);
  color: #fff;
  padding: 26px 22px 24px;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: center;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}

.page-faq__hero-panel::after {
  content: "";
  position: absolute;
  top: -40px;
  right: -40px;
  width: 130px;
  height: 220px;
  background: linear-gradient(135deg, transparent 47%, rgba(232, 220, 199, 0.14) 48%, rgba(232, 220, 199, 0.14) 51%, transparent 52%);
  transform: rotate(-18deg);
  pointer-events: none;
}

.page-faq__hero-pulse {
  margin-bottom: 18px;
  border-bottom: 1px solid rgba(248, 243, 233, 0.18);
  padding-bottom: 16px;
}

.page-faq__pulse-num {
  font-family: var(--font-mono);
  font-size: 46px;
  font-weight: 700;
  line-height: 1;
  color: #fff;
}

.page-faq__pulse-unit {
  font-size: 20px;
  margin-left: 4px;
  color: var(--faq-sand);
}

.page-faq__pulse-label {
  display: block;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: rgba(248, 243, 233, 0.7);
  margin-top: 6px;
}

.page-faq__hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 0;
}

.page-faq__hero-stat dt {
  font-size: 11px;
  color: rgba(248, 243, 233, 0.65);
  letter-spacing: 0.04em;
}

.page-faq__hero-stat dd {
  margin: 4px 0 0;
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--faq-sand);
}

/* 本页目录 */
.page-faq__index {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding: 6px 2px 18px;
  margin-bottom: 40px;
  scrollbar-width: thin;
}

.page-faq__index-link {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  background: var(--faq-sand-light);
  border: 1px solid var(--faq-sand);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  color: var(--faq-ink);
  text-decoration: none;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.page-faq__index-link:hover {
  background: var(--faq-coral);
  border-color: var(--faq-coral);
  color: #fff;
}

.page-faq__index-num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--faq-coral);
}

.page-faq__index-link:hover .page-faq__index-num {
  color: #fff;
}

/* 章节通用 */
.page-faq__section {
  margin-bottom: 56px;
}

.page-faq__section--category {
  margin-top: 8px;
}

.page-faq__section-head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 22px;
  border-bottom: 2px solid var(--faq-ink);
  padding-bottom: 10px;
}

.page-faq__section-index {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  background: var(--faq-coral);
  padding: 4px 8px;
  min-width: 40px;
  text-align: center;
  flex: 0 0 auto;
}

.page-faq__section-title {
  font-size: 24px;
  font-weight: 800;
  margin: 0 0 4px;
  letter-spacing: 0.01em;
}

.page-faq__section-note {
  font-size: 13px;
  color: var(--faq-ink-soft);
  margin: 0;
}

/* 折叠面板 */
.page-faq__accordion {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-faq__item {
  background: var(--faq-cream);
  border: 1px solid var(--faq-sand);
  box-shadow: var(--shadow-1);
  transition: box-shadow 0.25s, transform 0.25s;
}

.page-faq__item[open] {
  box-shadow: var(--shadow-2);
}

.page-faq__q {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px;
  font-size: 15px;
  font-weight: 700;
  color: var(--faq-ink);
  transition: background 0.2s;
}

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

.page-faq__q:hover {
  background: var(--faq-sand-light);
}

.page-faq__item[open] .page-faq__q {
  background: var(--faq-sand-light);
}

.page-faq__q-num {
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--faq-coral);
  color: #fff;
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
}

.page-faq__q-text {
  flex: 1 1 auto;
  line-height: 1.4;
}

.page-faq__q-marker {
  flex: 0 0 auto;
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--faq-moss);
  border-bottom: 2px solid var(--faq-moss);
  transform: rotate(45deg);
  transition: transform 0.25s;
}

.page-faq__item[open] .page-faq__q-marker {
  transform: rotate(-135deg);
}

.page-faq__a {
  border-top: 1px dashed rgba(138, 127, 114, 0.35);
  padding: 14px 20px 20px 64px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--faq-ink-soft);
}

.page-faq__a-lead {
  margin: 0 0 12px;
}

.page-faq__inline-link {
  color: var(--faq-coral-deep);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color 0.2s;
}

.page-faq__inline-link:hover {
  color: var(--faq-coral);
}

/* 步骤列表 */
.page-faq__steps {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: faq-step;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-faq__steps li {
  counter-increment: faq-step;
  position: relative;
  padding: 0 0 10px 28px;
  border-bottom: 1px dashed rgba(138, 127, 114, 0.35);
  font-size: 14px;
  line-height: 1.7;
}

.page-faq__steps li:last-child {
  border-bottom: 0;
  padding-bottom: 2px;
}

.page-faq__steps li::before {
  content: counter(faq-step);
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--faq-moss);
  border: 1px solid var(--faq-moss);
  border-radius: 50%;
  width: 18px;
  height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  background: var(--faq-cream);
}

.page-faq__steps strong {
  display: block;
  font-size: 14px;
  color: var(--faq-ink);
}

.page-faq__steps span {
  display: block;
  font-size: 13px;
  color: var(--faq-ink-soft);
  line-height: 1.6;
  margin-top: 2px;
}

/* 功能分类 */
.page-faq__cat-list {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.page-faq__cat {
  display: grid;
  grid-template-columns: 1fr;
  background: var(--faq-sand-light);
  border: 1px solid var(--faq-sand);
  position: relative;
  overflow: hidden;
}

.page-faq__cat::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 5px;
  height: 100%;
  background: var(--faq-moss);
  z-index: 1;
}

.page-faq__cat--possession::before {
  background: var(--faq-sea);
}

.page-faq__cat--scorer::before {
  background: var(--faq-coral);
}

.page-faq__cat::after {
  content: "2-1";
  position: absolute;
  top: 12px;
  right: 16px;
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  color: rgba(138, 127, 114, 0.18);
  line-height: 1;
  z-index: 1;
  pointer-events: none;
}

.page-faq__cat--possession::after {
  content: "2-2";
}

.page-faq__cat--scorer::after {
  content: "2-3";
}

.page-faq__cat-copy {
  padding: 24px 22px 28px;
}

.page-faq__cat-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--faq-moss);
  background: rgba(82, 122, 91, 0.1);
  border: 1px solid rgba(82, 122, 91, 0.3);
  padding: 3px 8px;
}

.page-faq__cat--possession .page-faq__cat-tag {
  color: var(--faq-sea);
  background: rgba(23, 69, 111, 0.08);
  border-color: rgba(23, 69, 111, 0.25);
}

.page-faq__cat--scorer .page-faq__cat-tag {
  color: var(--faq-coral-deep);
  background: rgba(231, 111, 81, 0.1);
  border-color: rgba(231, 111, 81, 0.3);
}

.page-faq__cat-title {
  font-size: 25px;
  font-weight: 800;
  margin: 10px 0 8px;
  color: var(--faq-ink);
}

.page-faq__cat-desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--faq-ink-soft);
  margin-bottom: 18px;
}

.page-faq__cat-media {
  background: var(--faq-cream);
  padding: 18px;
  border-top: 1px dashed rgba(138, 127, 114, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-faq__image {
  width: 100%;
  height: auto;
  max-width: 480px;
  object-fit: cover;
  border: 1px solid var(--faq-sand);
  box-shadow: var(--shadow-1);
}

.page-faq__image--compact {
  max-width: 420px;
}

.page-faq__cat-media--manual {
  background: var(--faq-sea);
  justify-content: center;
  min-height: 160px;
}

.page-faq__manual {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 14px;
}

.page-faq__manual-line {
  color: rgba(248, 243, 233, 0.45);
  position: relative;
  padding-left: 16px;
}

.page-faq__manual-line::before {
  content: "·";
  position: absolute;
  left: 4px;
  color: var(--faq-coral);
}

.page-faq__manual-line--active {
  color: var(--faq-sand);
  border-left: 2px solid var(--faq-coral);
  padding-left: 14px;
}

.page-faq__btn {
  margin-top: 18px;
}

.page-faq__btn.btn--ghost {
  background: transparent;
}

/* 联系支持 */
.page-faq__support {
  background: var(--faq-sea-deep);
  color: #fff;
  padding: 40px 0;
  clip-path: polygon(0 12px, 12px 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
  margin-top: 16px;
}

.page-faq__support-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  padding: 0 20px;
  max-width: var(--container);
  margin: 0 auto;
}

.page-faq__support-copy .label {
  display: inline-block;
  margin-bottom: 12px;
}

.page-faq__support-title {
  font-size: 26px;
  font-weight: 800;
  margin: 0 0 10px;
  color: #fff;
}

.page-faq__support-desc {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(248, 243, 233, 0.75);
  margin-bottom: 20px;
}

.page-faq__support-card {
  background: var(--faq-sand-light);
  color: var(--faq-ink);
  padding: 6px 20px;
  box-shadow: var(--shadow-2);
}

.page-faq__support-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq__support-item {
  display: flex;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(38, 48, 58, 0.12);
  font-size: 14px;
}

.page-faq__support-item:last-child {
  border-bottom: 0;
}

.page-faq__support-label {
  flex: 0 0 76px;
  color: var(--faq-ink-soft);
  font-size: 13px;
}

.page-faq__support-value {
  flex: 1;
  font-weight: 600;
  line-height: 1.6;
}

@media (min-width: 900px) {
  .page-faq {
    padding: 48px 32px 96px;
  }

  .page-faq__hero {
    grid-template-columns: 1.35fr 1fr;
    gap: 40px;
    align-items: stretch;
  }

  .page-faq__hero-copy {
    padding-right: 24px;
  }

  .page-faq__index {
    margin-bottom: 48px;
    overflow-x: visible;
  }

  .page-faq__cat {
    grid-template-columns: 1.05fr 0.95fr;
  }

  .page-faq__cat--possession .page-faq__cat-media {
    order: -1;
  }

  .page-faq__cat-copy {
    padding: 30px 34px 34px;
  }

  .page-faq__cat-media {
    border-top: 0;
    border-left: 1px dashed rgba(138, 127, 114, 0.4);
    padding: 24px;
  }

  .page-faq__cat--possession .page-faq__cat-media {
    border-left: 0;
    border-right: 1px dashed rgba(138, 127, 114, 0.4);
  }

  .page-faq__support-grid {
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: center;
  }
}

@media (max-width: 400px) {
  .page-faq__q {
    flex-wrap: wrap;
    row-gap: 8px;
  }

  .page-faq__a {
    padding-left: 20px;
  }
}