.page-faq {
  background: var(--paper-050);
  color: var(--ink-900);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: clamp(24px, 4.5vw, 56px) 0 clamp(26px, 4vw, 52px);
}

.page-faq .faq-hero .crumb {
  margin-bottom: clamp(18px, 2.6vw, 32px);
}

.page-faq .faq-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 52px);
  align-items: start;
}

@media (min-width: 920px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
}

.page-faq .faq-hero-main {
  min-width: 0;
}

.page-faq .faq-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-64);
  line-height: 1.06;
  letter-spacing: -0.015em;
  margin: 12px 0 0;
  max-width: 13em;
}

.page-faq .faq-lead {
  font-size: var(--fs-17);
  line-height: 1.78;
  color: var(--ink-700);
  max-width: 34em;
  margin: clamp(16px, 2vw, 24px) 0 0;
}

.page-faq .faq-hero-note {
  font-size: var(--fs-15);
  line-height: 1.7;
  color: var(--gray-600);
  margin: 12px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--cyan-400);
}

.page-faq .faq-hero-visual {
  margin: 0;
  border-radius: var(--r-card);
  overflow: hidden;
  background: var(--ink-900);
}

.page-faq .faq-hero-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

/* ---------- 五段编号直达条 ---------- */
.page-faq .faq-jump {
  margin-top: clamp(24px, 3vw, 36px);
  display: flex;
  overflow-x: auto;
  border-top: 1px solid var(--hair);
  border-bottom: 1px solid var(--hair);
  scrollbar-width: thin;
}

.page-faq .faq-jump a {
  flex: 1 1 0;
  min-width: 96px;
  display: grid;
  gap: 3px;
  padding: 14px 14px 16px;
  text-decoration: none;
  color: var(--ink-900);
  border-left: 1px solid var(--hair-soft);
  transition: background 0.18s var(--ease), color 0.18s var(--ease);
}

.page-faq .faq-jump a:first-child {
  border-left: 0;
}

.page-faq .faq-jump a:hover,
.page-faq .faq-jump a:focus-visible {
  background: var(--paper-100);
}

.page-faq .faq-jump-num {
  font-family: var(--font-mono);
  font-size: var(--fs-24);
  line-height: 1;
  font-weight: 700;
  color: var(--orange-500);
}

.page-faq .faq-jump-name {
  font-family: var(--font-ui);
  font-size: var(--fs-15);
  font-weight: 700;
  letter-spacing: 0.04em;
}

.page-faq .faq-jump-count {
  font-family: var(--font-mono);
  font-size: var(--fs-13);
  color: var(--ink-500);
}

/* ---------- 三种翻法 ---------- */
.page-faq .faq-find {
  background: var(--paper-100);
  padding: clamp(32px, 5vw, 72px) 0;
}

.page-faq .faq-find-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
}

@media (min-width: 920px) {
  .page-faq .faq-find-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
  }
}

.page-faq .faq-find-copy {
  min-width: 0;
}

.page-faq .faq-find-title {
  font-family: var(--font-display);
  font-size: var(--fs-32);
  line-height: 1.2;
  margin: 10px 0 clamp(16px, 2vw, 24px);
}

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

.page-faq .faq-way {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-top: 1px solid var(--hair);
}

.page-faq .faq-way:last-child {
  border-bottom: 1px solid var(--hair);
}

.page-faq .faq-way-key {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--ink-900);
  color: var(--cyan-400);
  font-family: var(--font-mono);
  font-size: var(--fs-13);
  display: grid;
  place-items: center;
  line-height: 1;
}

.page-faq .faq-way-body h3 {
  font-family: var(--font-ui);
  font-size: var(--fs-17);
  font-weight: 700;
  margin: 0 0 6px;
  line-height: 1.4;
}

.page-faq .faq-way-body p {
  font-size: var(--fs-15);
  line-height: 1.75;
  color: var(--ink-700);
  margin: 0;
  max-width: 32em;
}

.page-faq .faq-find-visual {
  margin: 0;
  border-radius: var(--r-card);
  overflow: hidden;
  background: var(--ink-700);
}

.page-faq .faq-find-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 12 / 7;
  object-fit: cover;
}

/* ---------- 正文骨架 ---------- */
.page-faq .faq-body {
  padding-top: clamp(36px, 5vw, 72px);
  padding-bottom: clamp(40px, 6vw, 88px);
}

.page-faq .faq-rail {
  display: none;
}

@media (min-width: 1140px) {
  .page-faq .faq-body {
    display: grid;
    grid-template-columns: 118px minmax(0, 1fr);
    column-gap: clamp(28px, 3vw, 56px);
    align-items: start;
  }

  .page-faq .faq-rail {
    display: block;
    position: sticky;
    top: 132px;
  }
}

.page-faq .faq-rail-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .faq-rail-link {
  display: flex;
  gap: 6px;
  align-items: baseline;
  padding: 8px 0 8px 12px;
  border-left: 2px solid var(--hair);
  text-decoration: none;
  font-size: var(--fs-13);
  color: var(--ink-700);
  letter-spacing: 0.02em;
  transition: border-color 0.18s var(--ease), color 0.18s var(--ease);
}

.page-faq .faq-rail-link span:first-child {
  font-family: var(--font-mono);
  color: var(--ink-500);
}

.page-faq .faq-rail-link:hover,
.page-faq .faq-rail-link:focus-visible {
  border-left-color: var(--orange-500);
  color: var(--ink-900);
}

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

/* ---------- 分段 ---------- */
.page-faq .faq-seg + .faq-seg,
.page-faq .faq-seg + .faq-login,
.page-faq .faq-login + .faq-seg,
.page-faq .faq-seg + .faq-human {
  margin-top: clamp(40px, 6vw, 80px);
}

.page-faq .faq-seg-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  column-gap: clamp(12px, 1.8vw, 24px);
  row-gap: 10px;
  align-items: baseline;
  padding-bottom: clamp(12px, 1.8vw, 18px);
  border-bottom: 1px solid var(--hair);
}

.page-faq .faq-seg-num {
  grid-row: 1;
  font-family: var(--font-mono);
  font-size: var(--fs-44);
  line-height: 0.9;
  font-weight: 700;
  color: var(--orange-500);
}

.page-faq .faq-seg-title {
  grid-row: 1;
  font-family: var(--font-display);
  font-size: var(--fs-32);
  line-height: 1.2;
  margin: 0;
  min-width: 0;
  word-break: break-word;
}

.page-faq .faq-seg-count {
  grid-row: 1;
  justify-self: end;
  font-family: var(--font-mono);
  font-size: var(--fs-13);
  color: var(--ink-500);
  border: 1px solid var(--hair);
  border-radius: var(--r-pill);
  padding: 3px 10px;
  white-space: nowrap;
}

.page-faq .faq-seg-lead {
  grid-column: 2 / 4;
  margin: 0;
  font-size: var(--fs-15);
  line-height: 1.75;
  color: var(--gray-600);
  max-width: 42em;
}

.page-faq .faq-seg-lead a,
.page-faq .faq-item-a a,
.page-faq .faq-human-copy a {
  color: var(--cyan-700);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 问答条目 ---------- */
.page-faq .faq-list {
  border-bottom: 1px solid var(--hair);
}

.page-faq .faq-item {
  border-top: 1px solid var(--hair-soft);
}

.page-faq .faq-item:first-child {
  border-top: 0;
}

.page-faq .faq-item summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) 18px;
  column-gap: clamp(10px, 1.6vw, 20px);
  align-items: start;
  padding: 15px 0;
  cursor: pointer;
  list-style: none;
  transition: color 0.16s var(--ease);
}

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

.page-faq .faq-item summary:hover .faq-item-q,
.page-faq .faq-item summary:focus-visible .faq-item-q {
  color: var(--ink-900);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-item-num {
  font-family: var(--font-mono);
  font-size: var(--fs-13);
  line-height: 1.9;
  color: var(--ink-500);
  letter-spacing: 0.02em;
  transition: color 0.16s var(--ease);
}

.page-faq .faq-item-q {
  font-size: var(--fs-17);
  line-height: 1.6;
  font-weight: 700;
  color: var(--ink-700);
  min-width: 0;
  word-break: break-word;
}

.page-faq .faq-item-mark {
  position: relative;
  width: 18px;
  height: 18px;
  margin-top: 7px;
  color: var(--ink-500);
}

.page-faq .faq-item-mark::before,
.page-faq .faq-item-mark::after {
  content: "";
  position: absolute;
  background: currentColor;
  border-radius: 1px;
}

.page-faq .faq-item-mark::before {
  left: 0;
  top: 8px;
  width: 18px;
  height: 2px;
}

.page-faq .faq-item-mark::after {
  top: 0;
  left: 8px;
  width: 2px;
  height: 18px;
  transition: transform 0.18s var(--ease), opacity 0.18s var(--ease);
}

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

.page-faq .faq-item[open] .faq-item-num {
  color: var(--orange-700);
}

.page-faq .faq-item[open] .faq-item-q {
  color: var(--ink-900);
}

.page-faq .faq-item-a {
  margin: 0 0 18px;
  padding: 14px 16px;
  background: var(--paper-100);
  border-left: 3px solid var(--cyan-400);
  border-radius: 4px 12px 12px 4px;
  font-size: var(--fs-15);
  line-height: 1.78;
  color: var(--ink-700);
  max-width: 46em;
}

/* ---------- 登录入口速查 ---------- */
.page-faq .faq-login {
  background: var(--ink-900);
  color: var(--paper-050);
  border-radius: var(--r-card);
  padding: clamp(24px, 4vw, 44px);
  background-image: linear-gradient(115deg, rgba(0, 229, 192, 0.12) 0%, rgba(11, 26, 46, 0) 46%);
}

.page-faq .faq-login-eyebrow {
  font-family: var(--font-mono);
  font-size: var(--fs-13);
  letter-spacing: 0.08em;
  color: var(--cyan-400);
  margin: 0 0 10px;
}

.page-faq .faq-login-title {
  font-family: var(--font-display);
  font-size: var(--fs-32);
  line-height: 1.2;
  margin: 0 0 12px;
  color: var(--white);
}

.page-faq .faq-login-lead {
  font-size: var(--fs-15);
  line-height: 1.78;
  color: rgba(245, 247, 249, 0.78);
  margin: 0 0 clamp(16px, 2vw, 24px);
  max-width: 38em;
}

.page-faq .faq-login-steps {
  list-style: none;
  margin: 0 0 clamp(18px, 2.4vw, 28px);
  padding: 0;
  display: grid;
  gap: 10px;
  max-width: 44em;
}

.page-faq .faq-login-steps li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  font-size: var(--fs-15);
  line-height: 1.75;
  color: rgba(245, 247, 249, 0.9);
  padding-top: 10px;
  border-top: 1px solid var(--hair-light);
}

.page-faq .faq-step-num {
  font-family: var(--font-mono);
  font-size: var(--fs-13);
  line-height: 1.9;
  color: var(--cyan-400);
}

.page-faq .faq-login-btn {
  display: inline-block;
}

/* ---------- 人工通道 ---------- */
.page-faq .faq-human {
  padding-top: clamp(8px, 1.4vw, 16px);
}

.page-faq .faq-human-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.4vw, 48px);
  align-items: start;
  border-top: 1px solid var(--hair);
  padding-top: clamp(24px, 3.4vw, 40px);
}

@media (min-width: 860px) {
  .page-faq .faq-human-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
  }
}

.page-faq .faq-human-copy {
  min-width: 0;
}

.page-faq .faq-human-title {
  font-family: var(--font-display);
  font-size: var(--fs-32);
  line-height: 1.2;
  margin: 10px 0 clamp(14px, 1.8vw, 20px);
}

.page-faq .faq-human-copy p {
  font-size: var(--fs-15);
  line-height: 1.78;
  color: var(--ink-700);
  margin: 0 0 12px;
  max-width: 32em;
}

.page-faq .faq-human-copy .btn {
  margin-top: 8px;
  display: inline-block;
}

.page-faq .faq-channels {
  list-style: none;
  margin: 0;
  padding: 0;
  background: var(--paper-100);
  border-radius: var(--r-card);
  padding: clamp(16px, 2vw, 24px);
}

.page-faq .faq-channel {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-top: 1px solid var(--hair);
}

.page-faq .faq-channel:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-faq .faq-channel:last-child {
  padding-bottom: 0;
}

.page-faq .faq-channel-label {
  font-family: var(--font-ui);
  font-size: var(--fs-13);
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--ink-500);
}

.page-faq .faq-channel-value {
  font-family: var(--font-mono);
  font-size: var(--fs-17);
  line-height: 1.5;
  color: var(--ink-900);
  word-break: break-word;
}

.page-faq .faq-channel-hint {
  font-size: var(--fs-13);
  line-height: 1.6;
  color: var(--gray-600);
}

/* ---------- 展开态进入视口显现 ---------- */
@media (prefers-reduced-motion: no-preference) {
  .page-faq .faq-seg[data-reveal] {
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 0.24s var(--ease), transform 0.24s var(--ease);
  }

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

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

@media (max-width: 480px) {
  .page-faq .faq-seg-count {
    display: none;
  }

  .page-faq .faq-item summary {
    grid-template-columns: minmax(0, 1fr) 18px;
    row-gap: 4px;
  }

  .page-faq .faq-item-num {
    grid-column: 1;
    line-height: 1.4;
  }

  .page-faq .faq-item-q {
    grid-column: 1;
  }

  .page-faq .faq-item-mark {
    grid-column: 2;
    grid-row: 1 / span 2;
  }
}