.page-faq {
  background:
    radial-gradient(120% 70% at 100% 0%, rgba(0, 229, 255, .09), transparent 58%),
    radial-gradient(100% 60% at 0% 8%, rgba(200, 16, 46, .14), transparent 62%),
    var(--ink);
  color: var(--white);
  padding-bottom: 64px;
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: 30px 0 8px;
}

.page-faq .faq-hero .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-faq .faq-hero .breadcrumb__list li + li::before {
  content: "/";
  margin: 0 8px;
  color: var(--red);
}

.page-faq .faq-hero .breadcrumb__list a {
  color: var(--gray);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
}

.page-faq .faq-hero .kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0 0 14px;
}

.page-faq .faq-hero h1 {
  margin: 0 0 18px;
  font-size: clamp(28px, 7vw, 58px);
  line-height: 1.12;
  font-weight: 900;
  letter-spacing: -.01em;
  max-width: 18em;
  background: linear-gradient(100deg, var(--white) 55%, var(--cyan) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-faq .faq-hero__lede {
  margin: 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.78;
  color: var(--gray);
}

.page-faq .faq-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
}

.page-faq .faq-stat {
  background: rgba(23, 27, 33, .9);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-faq .faq-stat__num {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--white);
}

.page-faq .faq-stat:nth-child(1) .faq-stat__num,
.page-faq .faq-stat:nth-child(3) .faq-stat__num {
  color: var(--cyan);
}

.page-faq .faq-stat:nth-child(2) .faq-stat__num,
.page-faq .faq-stat:nth-child(4) .faq-stat__num {
  color: var(--orange);
}

.page-faq .faq-stat__label {
  font-size: 12px;
  line-height: 1.5;
  color: var(--steel);
}

/* ---------- 问题分类胶囊 ---------- */
.page-faq .faq-switch {
  padding: 26px 0 6px;
}

.page-faq .faq-switch__list {
  display: flex;
  gap: 10px;
  margin: 0;
  padding: 2px 2px 10px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-switch__pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: rgba(23, 27, 33, .85);
  color: var(--gray);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  transition: border-color .18s var(--ease), color .18s var(--ease), background-color .18s var(--ease);
}

.page-faq .faq-switch__pill:hover,
.page-faq .faq-switch__pill:focus-visible {
  border-color: var(--cyan);
  color: var(--white);
  background: rgba(0, 59, 70, .55);
}

.page-faq .faq-switch__idx {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--red);
}

.page-faq .faq-switch__pill:hover .faq-switch__idx {
  color: var(--cyan);
}

/* ---------- 问题区通用 ---------- */
.page-faq .faq-stack {
  display: block;
}

.page-faq .faq-issue {
  padding: 34px 0 6px;
  border-top: 1px solid var(--line);
  scroll-margin-top: 130px;
}

.page-faq .faq-issue__head {
  margin-bottom: 22px;
}

.page-faq .faq-issue__head h2 {
  margin: 12px 0 8px;
  font-size: clamp(21px, 4.4vw, 32px);
  line-height: 1.25;
  font-weight: 800;
  letter-spacing: -.005em;
  color: var(--white);
}

.page-faq .faq-issue__sub {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--steel);
}

.page-faq .faq-issue__body {
  display: block;
}

/* 步骤条 */
.page-faq .faq-steps {
  counter-reset: faqstep;
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
}

.page-faq .faq-steps li {
  counter-increment: faqstep;
  position: relative;
  padding: 13px 14px 13px 50px;
  margin-bottom: 10px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--red);
  border-radius: 4px 14px 14px 4px;
  background: linear-gradient(135deg, rgba(23, 27, 33, .96), rgba(11, 13, 16, .96));
  font-size: 14px;
  line-height: 1.72;
  color: var(--gray);
}

.page-faq .faq-steps li::before {
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 15px;
  top: 14px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--cyan);
}

/* 答案卡 */
.page-faq .faq-answer {
  position: relative;
  padding: 20px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(165deg, rgba(23, 27, 33, .94), rgba(11, 13, 16, .94));
}

.page-faq .faq-answer::before {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  top: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--red), var(--cyan) 55%, transparent);
}

.page-faq .faq-answer > p {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--gray);
}

.page-faq .faq-answer > p:last-child {
  margin-bottom: 0;
}

.page-faq .faq-answer__more {
  margin: 14px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--steel);
}

.page-faq .faq-answer a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 255, .4);
}

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

/* 图片 */
.page-faq .faq-figure {
  margin: 16px 0;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 12px;
  border: 1px solid var(--line-strong);
  background: var(--char);
}

.page-faq .faq-figure figcaption {
  margin-top: 8px;
  font-size: 12px;
  line-height: 1.65;
  color: var(--steel);
}

/* 折叠答案 */
.page-faq .faq-fold {
  margin-top: 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(11, 13, 16, .55);
}

.page-faq .faq-fold > summary {
  position: relative;
  cursor: pointer;
  list-style: none;
  padding: 12px 42px 12px 14px;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--white);
}

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

.page-faq .faq-fold > summary::after {
  content: "+";
  position: absolute;
  right: 15px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
  color: var(--cyan);
}

.page-faq .faq-fold[open] > summary::after {
  content: "−";
  color: var(--orange);
}

.page-faq .faq-fold > summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-faq .faq-fold p {
  margin: 0;
  padding: 0 14px 14px;
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--gray);
}

/* ---------- 第二栏导航示意图 ---------- */
.page-faq .faq-navgraph {
  display: block;
  width: 100%;
  height: auto;
  margin: 16px 0;
  border-radius: 12px;
  background: var(--ink);
}

/* ---------- 注册入口对照表 ---------- */
.page-faq .faq-matrix-wrap {
  margin: 16px 0;
  overflow-x: auto;
  border-radius: 12px;
  border: 1px solid var(--line-strong);
}

.page-faq .faq-matrix {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  background: var(--white);
  color: var(--ink);
  font-size: 13px;
}

.page-faq .faq-matrix th {
  padding: 10px 12px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--white);
  background: var(--char);
  border-bottom: 2px solid var(--red);
}

.page-faq .faq-matrix td {
  padding: 11px 12px;
  line-height: 1.65;
  vertical-align: top;
  border-bottom: 1px solid rgba(11, 13, 16, .12);
}

.page-faq .faq-matrix tbody tr:nth-child(even) td {
  background: rgba(201, 210, 220, .22);
}

.page-faq .faq-matrix tbody tr:last-child td {
  border-bottom: 0;
}

.page-faq .faq-matrix td:nth-child(2) {
  font-weight: 700;
  color: var(--red-deep);
  white-space: nowrap;
}

/* ---------- 阵容时间轴 ---------- */
.page-faq .faq-timeline {
  list-style: none;
  margin: 6px 0 0;
  padding: 0 0 0 18px;
  border-left: 2px solid var(--line-strong);
}

.page-faq .faq-timeline li {
  position: relative;
  padding: 0 0 16px 6px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray);
}

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

.page-faq .faq-timeline li::before {
  content: "";
  position: absolute;
  left: -24px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 0 4px rgba(255, 106, 0, .16);
}

.page-faq .faq-timeline strong {
  display: inline-block;
  min-width: 84px;
  margin-right: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--cyan);
}

/* ---------- 联系面板 ---------- */
.page-faq .faq-contact {
  margin-top: 34px;
  padding: 24px 16px;
  border: 1px solid rgba(255, 106, 0, .3);
  border-radius: var(--radius);
  background:
    linear-gradient(150deg, rgba(0, 59, 70, .55), rgba(11, 13, 16, .96) 55%),
    var(--char);
  scroll-margin-top: 130px;
}

.page-faq .faq-contact .faq-issue__head {
  margin-bottom: 18px;
}

.page-faq .faq-contact__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-faq .faq-contact__card {
  padding: 15px 14px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(11, 13, 16, .62);
}

.page-faq .faq-contact__label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--orange);
}

.page-faq .faq-contact__value {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--white);
  word-break: break-word;
}

.page-faq .faq-contact__note {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--gray);
}

.page-faq .faq-contact__card .btn {
  margin-top: 12px;
}

.page-faq .faq-contact__foot {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line-strong);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--steel);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-answer {
    padding: 24px 22px;
  }

  .page-faq .faq-contact {
    padding: 30px 26px;
  }

  .page-faq .faq-contact__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding-top: 46px;
  }

  .page-faq .faq-issue {
    padding-top: 44px;
  }

  .page-faq .faq-issue__body {
    display: grid;
    grid-template-columns: minmax(200px, 250px) minmax(0, 1fr);
    gap: 38px;
    align-items: start;
  }

  .page-faq .faq-steps {
    margin-bottom: 0;
    position: sticky;
    top: 130px;
  }

  .page-faq .faq-steps li:last-child {
    margin-bottom: 0;
  }

  .page-faq .faq-answer {
    padding: 26px 26px;
  }

  .page-faq .faq-contact__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-answer {
    padding: 30px 32px;
  }

  .page-faq .faq-answer > p {
    font-size: 15px;
    max-width: 40em;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-switch__pill {
    transition: none;
  }
}