.page-faq {
  --faq-index-w: 302px;
  --faq-cyan-soft: rgba(47, 230, 200, .45);
  --faq-panel: rgba(20, 28, 58, .92);
  --faq-panel-soft: rgba(20, 28, 58, .58);
  padding-bottom: 0;
}

.page-faq .breadcrumb {
  padding: 22px 0 0;
  font-family: var(--mono);
  font-size: .78rem;
  letter-spacing: .06em;
  color: var(--muted);
}

.page-faq .breadcrumb a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-faq .breadcrumb a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-faq a:focus-visible,
.page-faq button:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: 34px 0 52px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 88px 88px;
  -webkit-mask-image: radial-gradient(130% 105% at 10% 0%, rgba(0, 0, 0, .9), transparent 70%);
  mask-image: radial-gradient(130% 105% at 10% 0%, rgba(0, 0, 0, .9), transparent 70%);
  pointer-events: none;
}

.page-faq .faq-hero .container {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero .eyebrow {
  font-family: var(--mono);
  font-size: .74rem;
  letter-spacing: .16em;
  color: var(--cyan);
  text-transform: uppercase;
  margin: 0 0 14px;
}

.page-faq .faq-hero h1 {
  margin: 0 0 18px;
  max-width: 21ch;
  font-size: clamp(1.85rem, 5.4vw, 3.3rem);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -.015em;
  color: var(--paper);
}

.page-faq .faq-hero h1::after {
  content: "";
  display: block;
  width: 76px;
  height: 5px;
  margin-top: 20px;
  background: linear-gradient(90deg, var(--orange), var(--cyan));
  clip-path: polygon(0 0, 100% 0, calc(100% - 5px) 100%, 0 100%);
}

.page-faq .faq-hero__lead {
  margin: 0;
  max-width: 62ch;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--muted);
}

.page-faq .faq-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.page-faq .faq-hero__facts span {
  padding: 6px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 2px;
  font-size: .74rem;
  letter-spacing: .06em;
  color: var(--paper);
  background: var(--faq-panel-soft);
}

/* ---------- 双栏骨架 ---------- */

.page-faq .faq-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  padding-top: 40px;
  padding-bottom: 56px;
  min-width: 0;
}

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

/* ---------- 左侧索引 ---------- */

.page-faq .help-index {
  background: var(--graphite);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 18px 22px;
  min-width: 0;
}

.page-faq .help-index__head {
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-strong);
  margin-bottom: 10px;
}

.page-faq .help-index__eyebrow {
  display: block;
  font-size: .7rem;
  letter-spacing: .18em;
  color: var(--amber);
  margin-bottom: 8px;
}

.page-faq .help-index__head h2 {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper);
}

.page-faq .help-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .help-index__link {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr) auto;
  gap: 10px;
  align-items: baseline;
  padding: 11px 8px;
  border-left: 2px solid transparent;
  border-radius: 0 2px 2px 0;
  text-decoration: none;
  color: var(--paper);
  transition: background .2s var(--ease), border-color .2s var(--ease), transform .2s var(--ease);
}

.page-faq .help-index__link:hover,
.page-faq .help-index__link:focus-visible {
  background: rgba(245, 242, 234, .07);
  border-left-color: var(--orange);
  transform: translateX(2px);
}

.page-faq .help-index__num {
  font-size: .72rem;
  color: var(--muted);
  letter-spacing: .06em;
}

.page-faq .help-index__name {
  font-size: .94rem;
  font-weight: 600;
}

.page-faq .help-index__count {
  font-size: .7rem;
  color: var(--muted);
}

.page-faq .help-index__note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line-strong);
  font-size: .78rem;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 答案卡 ---------- */

.page-faq .faq-answer {
  scroll-margin-top: 92px;
  margin-bottom: 22px;
  padding: 24px 20px 28px;
  background: linear-gradient(180deg, var(--faq-panel), var(--faq-panel-soft));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color .24s var(--ease), transform .24s var(--ease);
}

@media (hover: hover) {
  .page-faq .faq-answer:hover {
    border-color: var(--line-strong);
    transform: translateY(-3px);
  }
}

.page-faq .faq-answer__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.page-faq .faq-answer__num {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 28px;
  flex: none;
  background: var(--orange);
  color: var(--ink);
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .04em;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%);
}

.page-faq .faq-answer__head h2 {
  flex: 1 1 auto;
  min-width: 0;
  margin: 0;
  font-size: clamp(1.12rem, 2.6vw, 1.34rem);
  font-weight: 800;
  line-height: 1.4;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-faq .faq-answer__lede {
  margin: 0 0 4px;
  padding: 3px 0 3px 14px;
  border-left: 3px solid var(--cyan);
  font-size: .98rem;
  font-weight: 600;
  line-height: 1.75;
  color: var(--paper);
}

.page-faq .faq-answer__para {
  margin: 16px 0 0;
  font-size: .92rem;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 步骤 ---------- */

.page-faq .step-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
}

.page-faq .step-list > li {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 12px 0;
  border-bottom: 1px dashed var(--line);
}

.page-faq .step-list > li:last-child {
  border-bottom: 0;
  padding-bottom: 2px;
}

.page-faq .step-list p {
  margin: 0;
  font-size: .94rem;
  line-height: 1.78;
  color: var(--paper);
}

.page-faq .step-num {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border: 1px solid rgba(47, 230, 200, .55);
  border-radius: 2px;
  font-size: .72rem;
  color: var(--cyan);
}

/* ---------- 字段说明 ---------- */

.page-faq .faq-fields {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 8px;
  margin: 14px 0 0;
}

.page-faq .faq-field {
  padding: 11px 13px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: rgba(10, 16, 38, .6);
  transition: border-color .2s var(--ease);
}

.page-faq .faq-field:hover {
  border-color: rgba(47, 230, 200, .4);
}

.page-faq .faq-field dt {
  margin-bottom: 5px;
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .08em;
  color: var(--cyan);
}

.page-faq .faq-field dd {
  margin: 0;
  font-size: .86rem;
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 图片 ---------- */

.page-faq .faq-figure {
  margin: 20px 0;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--ink-2);
  object-fit: cover;
}

.page-faq .faq-figure figcaption {
  margin-top: 10px;
  font-family: var(--mono);
  font-size: .74rem;
  letter-spacing: .04em;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 提示条 ---------- */

.page-faq .faq-note {
  margin: 18px 0 0;
  padding: 12px 14px;
  border-left: 3px solid var(--amber);
  border-radius: 0 2px 2px 0;
  background: rgba(255, 194, 75, .07);
  font-size: .86rem;
  line-height: 1.8;
  color: var(--paper);
}

/* ---------- 第二栏高亮 ---------- */

.page-faq .faq-answer--column2 {
  border-color: var(--faq-cyan-soft);
  background:
    linear-gradient(180deg, rgba(47, 230, 200, .07), rgba(20, 28, 58, .88));
  box-shadow: inset 0 0 0 1px rgba(47, 230, 200, .16);
}

.page-faq .column-badge {
  flex: none;
  padding: 4px 10px;
  border: 1px solid var(--faq-cyan-soft);
  border-radius: 2px;
  font-size: .7rem;
  letter-spacing: .1em;
  color: var(--cyan);
  white-space: nowrap;
}

.page-faq .res-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 2px;
  overflow: hidden;
}

.page-faq .res-list li {
  padding: 14px 16px;
  background: rgba(10, 16, 38, .55);
  border-bottom: 1px solid var(--line);
  font-size: .88rem;
  line-height: 1.78;
  color: var(--muted);
  transition: background .2s var(--ease);
}

.page-faq .res-list li:last-child {
  border-bottom: 0;
}

.page-faq .res-list li:hover {
  background: rgba(245, 242, 234, .05);
}

.page-faq .res-list strong {
  display: block;
  margin-bottom: 3px;
  font-size: .9rem;
  font-weight: 700;
  color: var(--paper);
}

.page-faq .column-callout {
  margin-top: 20px;
  padding: 18px 16px;
  border: 1px solid var(--faq-cyan-soft);
  border-radius: 2px;
  background: rgba(47, 230, 200, .05);
}

.page-faq .column-callout__label {
  display: inline-block;
  margin-bottom: 10px;
  padding: 4px 10px;
  background: var(--cyan);
  color: var(--ink);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .08em;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 7px), calc(100% - 7px) 100%, 0 100%);
}

.page-faq .column-callout p {
  margin: 0 0 14px;
  font-size: .9rem;
  line-height: 1.82;
  color: var(--paper);
}

/* ---------- 联系行 ---------- */

.page-faq .contact-rows {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
}

.page-faq .contact-rows li {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--line);
}

.page-faq .contact-rows li:last-child {
  border-bottom: 0;
}

.page-faq .contact-rows__key {
  flex: none;
  min-width: 84px;
  font-size: .74rem;
  letter-spacing: .1em;
  color: var(--muted);
}

.page-faq .contact-rows__val {
  font-size: .9rem;
  color: var(--paper);
}

.page-faq .copy-chip {
  display: inline-block;
  padding: 7px 12px;
  border: 1px solid rgba(47, 230, 200, .38);
  border-radius: 2px;
  background: transparent;
  font-family: var(--mono);
  font-size: .8rem;
  letter-spacing: .03em;
  color: var(--cyan);
  cursor: pointer;
  text-align: left;
  transition: background .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease);
}

.page-faq .copy-chip:hover {
  background: rgba(47, 230, 200, .1);
  border-color: rgba(47, 230, 200, .72);
}

.page-faq .copy-chip[data-copied="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink);
}

/* ---------- 底部窄条 ---------- */

.page-faq .faq-contact-bar {
  border-top: 1px solid var(--line);
  background: linear-gradient(90deg, rgba(20, 28, 58, .92), rgba(10, 16, 38, .92));
  padding: 22px 0;
}

.page-faq .faq-contact-bar__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 24px;
  align-items: center;
  justify-content: space-between;
}

.page-faq .faq-contact-bar p {
  margin: 0;
  flex: 1 1 280px;
  min-width: 0;
  font-size: .92rem;
  line-height: 1.75;
  color: var(--paper);
}

/* ---------- 响应式 ---------- */

@media (max-width: 599px) {
  .page-faq .faq-hero {
    padding: 24px 0 40px;
  }

  .page-faq .faq-hero h1 {
    max-width: 100%;
  }

  .page-faq .faq-answer {
    padding: 20px 16px 24px;
  }

  .page-faq .faq-answer__num {
    width: 34px;
    height: 25px;
    font-size: .76rem;
  }

  .page-faq .help-index {
    padding: 16px 14px 18px;
  }

  .page-faq .contact-rows__key {
    min-width: 100%;
  }

  .page-faq .faq-contact-bar__inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-body {
    grid-template-columns: var(--faq-index-w) minmax(0, 1fr);
    gap: 40px;
    align-items: start;
  }

  .page-faq .help-index {
    position: sticky;
    top: 96px;
  }

  .page-faq .faq-answer {
    padding: 28px 28px 32px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-answer,
  .page-faq .help-index__link,
  .page-faq .copy-chip,
  .page-faq .faq-field,
  .page-faq .res-list li {
    transition: none;
  }

  .page-faq .faq-answer:hover,
  .page-faq .help-index__link:hover {
    transform: none;
  }
}