.page-faq {
  color: var(--warm);
  overflow-x: hidden;
}

.page-faq img {
  max-width: 100%;
  height: auto;
}

.page-faq .breadcrumb {
  padding-top: clamp(14px, 3vw, 24px);
}

/* 首屏 */
.page-faq .faq-hero {
  padding: clamp(20px, 4vw, 40px) 0 clamp(26px, 5vw, 52px);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero h1 {
  font-family: var(--ff-display);
  font-weight: 700;
  font-size: clamp(30px, 8vw, 68px);
  line-height: 1.08;
  letter-spacing: 0.01em;
  margin: 12px 0 18px;
  max-width: 20ch;
}

.page-faq .faq-hero__lead {
  margin: 0;
  max-width: 62ch;
  font-size: clamp(15px, 3.6vw, 17px);
  line-height: 1.85;
  color: var(--ash);
}

.page-faq .faq-facts {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 26px 0 0;
  padding: 0;
}

.page-faq .faq-fact {
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 12px 14px;
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  display: grid;
  gap: 2px;
}

.page-faq .faq-fact__num {
  font-size: clamp(20px, 5vw, 26px);
  line-height: 1.2;
  color: var(--cyan);
}

.page-faq .faq-fact__label {
  font-size: 12px;
  letter-spacing: 0.03em;
  color: var(--mist);
}

/* 分组粘性索引 */
.page-faq .faq-jump {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(7, 26, 21, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
}

.page-faq .faq-jump__list {
  list-style: none;
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 10px 0;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-faq .faq-jump__list::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-jump__link {
  display: inline-block;
  flex: 0 0 auto;
  padding: 7px 14px;
  font-size: 13px;
  white-space: nowrap;
  color: var(--ash);
  text-decoration: none;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  transition: color 0.25s var(--ease), background-color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-faq .faq-jump__link:hover,
.page-faq .faq-jump__link:focus-visible {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
}

/* 章节 */
.page-faq .faq-block {
  padding: clamp(34px, 6vw, 68px) 0;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 72px;
}

.page-faq .faq-block--last {
  border-bottom: 0;
  padding-bottom: clamp(40px, 7vw, 80px);
}

.page-faq .faq-block__head {
  display: grid;
  gap: 10px;
  max-width: 68ch;
  margin-bottom: clamp(20px, 3.4vw, 32px);
}

.page-faq .faq-block__head h2 {
  margin: 0;
  font-family: var(--ff-display);
  font-weight: 700;
  font-size: clamp(24px, 5.6vw, 42px);
  line-height: 1.14;
}

.page-faq .faq-block__head p:not(.eyebrow) {
  margin: 0;
  font-size: clamp(14.5px, 3.4vw, 16.5px);
  line-height: 1.85;
  color: var(--ash);
}

/* 四步技能树 */
.page-faq .step-layout {
  display: grid;
  gap: 24px;
}

.page-faq .step-tree {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}

.page-faq .step-tree::before {
  content: "";
  position: absolute;
  left: 19px;
  top: 18px;
  bottom: 26px;
  width: 2px;
  background: linear-gradient(180deg, var(--cyan), rgba(111, 247, 226, 0.08));
}

.page-faq .step-node {
  position: relative;
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  padding-bottom: 22px;
}

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

.page-faq .step-node__num {
  position: relative;
  z-index: 1;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--panel);
  border: 1px solid var(--line-cyan);
  color: var(--cyan);
  font-size: 13px;
}

.page-faq .step-node__body h3 {
  margin: 6px 0 8px;
  font-family: var(--ff-body);
  font-size: 17px;
  font-weight: 700;
  color: var(--warm);
}

.page-faq .step-node__body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--ash);
}

.page-faq .step-node__link {
  display: inline-block;
  margin-top: 10px;
  font-size: 13.5px;
  color: var(--orange);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 122, 47, 0.45);
  padding-bottom: 2px;
}

.page-faq .step-node__link:hover,
.page-faq .step-node__link:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--line-cyan);
}

.page-faq .step-figure {
  margin: 0;
  padding: 12px;
  border-radius: var(--r-lg);
  overflow: hidden;
}

.page-faq .step-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--r-md);
  object-fit: cover;
}

.page-faq .step-figure figcaption {
  padding: 12px 4px 2px;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--mist);
}

/* 阅读区配图 */
.page-faq .data-figure {
  margin: 0 0 20px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--panel-deep);
}

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

.page-faq .data-figure figcaption {
  padding: 11px 14px;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--mist);
}

/* 问答折叠 */
.page-faq .qa-list {
  display: grid;
  gap: 10px;
}

.page-faq .qa-list--spaced {
  margin-top: 22px;
}

.page-faq .qa {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--glass);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  overflow: hidden;
  transition: border-color 0.3s var(--ease), background-color 0.3s var(--ease);
}

.page-faq .qa[open] {
  background: var(--panel);
  border-color: var(--line-strong);
}

.page-faq .qa summary {
  position: relative;
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 15px 44px 15px 16px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--warm);
}

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

.page-faq .qa summary::after {
  content: "+";
  position: absolute;
  right: 16px;
  top: 13px;
  font-family: var(--ff-mono);
  font-size: 18px;
  line-height: 1.4;
  color: var(--cyan);
}

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

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

.page-faq .qa__num {
  flex: 0 0 auto;
  font-size: 12px;
  color: var(--orange);
}

.page-faq .qa__body {
  padding: 0 16px 18px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--ash);
}

.page-faq .qa__body p {
  margin: 0 0 10px;
}

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

/* 联系方式 */
.page-faq .contact-card {
  display: grid;
  gap: 20px;
  padding: clamp(18px, 4vw, 30px);
  border-radius: var(--r-lg);
  margin-bottom: 4px;
}

.page-faq .contact-col {
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-faq .contact-row {
  display: grid;
  gap: 5px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--line);
}

.page-faq .contact-row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-faq .contact-label {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-faq .contact-value {
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--warm);
  word-break: break-word;
}

.page-faq .contact-value.mono {
  font-family: var(--ff-mono);
  color: var(--cyan);
}

.page-faq .copy-btn {
  margin-left: 8px;
  padding: 4px 10px;
  font: inherit;
  font-size: 12px;
  line-height: 1.5;
  color: var(--cyan);
  background: transparent;
  border: 1px solid var(--line-cyan);
  border-radius: 999px;
  cursor: pointer;
  transition: background-color 0.25s var(--ease), color 0.25s var(--ease);
}

.page-faq .copy-btn:hover,
.page-faq .copy-btn:focus-visible {
  background: var(--moss);
}

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

.page-faq .contact-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--ash);
}

.page-faq .contact-col .btn {
  justify-self: start;
}

/* 接着看 */
.page-faq .next-links {
  display: grid;
  gap: 10px;
  margin-top: 28px;
}

.page-faq .next-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  color: var(--warm);
  text-decoration: none;
  background: var(--panel-deep);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  font-size: 14.5px;
  transition: border-color 0.25s var(--ease), background-color 0.25s var(--ease);
}

.page-faq .next-link .mono {
  flex: 0 0 auto;
  font-size: 12px;
  color: var(--cyan);
}

.page-faq .next-link:hover,
.page-faq .next-link:focus-visible {
  border-color: var(--line-cyan);
  background: var(--panel);
}

@media (min-width: 720px) {
  .page-faq .step-node__body h3 {
    font-size: 18px;
  }

  .page-faq .qa summary {
    font-size: 16px;
    padding: 17px 48px 17px 20px;
  }

  .page-faq .qa__body {
    padding: 0 20px 20px;
  }

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

  .page-faq .contact-card {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px;
  }
}

@media (min-width: 980px) {
  .page-faq .step-layout {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 40px;
    align-items: start;
  }

  .page-faq .step-figure {
    position: sticky;
    top: 88px;
  }

  .page-faq .faq-hero h1 {
    max-width: 22ch;
  }

  .page-faq .next-links {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .next-link {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-jump__link,
  .page-faq .qa,
  .page-faq .next-link,
  .page-faq .copy-btn,
  .page-faq .step-node__link {
    transition: none;
  }
}
<<<PAGE_CSS_END>>>