.page-faq {
  --faq-line: rgba(28, 42, 51, 0.13);
  --faq-card: #ffffff;
  padding-bottom: clamp(40px, 6vw, 80px);
  background: var(--paper);
}

.page-faq .faq-crumbs {
  width: min(100% - 2 * var(--gutter), var(--wrap));
  margin: 0 auto;
  padding-top: 18px;
}

/* 首屏 */
.page-faq .faq-top {
  position: relative;
  width: min(100% - 2 * var(--gutter), var(--wrap));
  margin: 16px auto 0;
  padding: clamp(28px, 5vw, 56px) clamp(20px, 5vw, 54px);
  border-radius: var(--radius-lg);
  overflow: hidden;
  color: #fff;
  background:
    radial-gradient(92% 120% at 92% 6%, rgba(46, 127, 143, 0.62), rgba(46, 127, 143, 0) 60%),
    radial-gradient(66% 90% at 4% 102%, rgba(242, 169, 59, 0.24), rgba(242, 169, 59, 0) 64%),
    linear-gradient(146deg, var(--deep) 0%, var(--blue) 60%, #1b6d84 100%);
}

.page-faq .faq-top::after {
  content: "";
  position: absolute;
  right: -70px;
  bottom: -110px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.24);
  box-shadow: 0 0 0 34px rgba(255, 255, 255, 0.05);
  pointer-events: none;
}

.page-faq .faq-top-inner {
  position: relative;
  z-index: 1;
  max-width: 62ch;
}

.page-faq .faq-top .eyebrow {
  color: var(--sand);
}

.page-faq .faq-top h1 {
  margin: 12px 0 0;
  font-family: var(--font-head);
  font-size: clamp(26px, 4.4vw, 44px);
  font-weight: 700;
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: #fff;
}

.page-faq .faq-lead {
  margin: 16px 0 0;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.88);
}

.page-faq .faq-top-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-top-stats li {
  display: flex;
  align-items: baseline;
  gap: 7px;
}

.page-faq .faq-stat-num {
  font-size: clamp(22px, 2.6vw, 28px);
  font-weight: 700;
  color: var(--amber);
  line-height: 1;
}

.page-faq .faq-stat-label {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.78);
  letter-spacing: 0.04em;
}

/* 主体分栏 */
.page-faq .faq-shell {
  width: min(100% - 2 * var(--gutter), var(--wrap));
  margin: clamp(24px, 4vw, 44px) auto 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 36px);
}

/* 左侧索引 */
.page-faq .faq-index {
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-lg);
  padding: 20px;
  background: linear-gradient(165deg, var(--sand) 0%, #f3ede1 40%, var(--paper) 100%);
}

.page-faq .faq-index-title {
  margin: 0 0 16px;
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--deep);
}

.page-faq .faq-index-title::after {
  content: "";
  display: block;
  width: 30px;
  height: 3px;
  margin-top: 9px;
  border-radius: 2px;
  background: var(--amber);
}

.page-faq .faq-chip-row {
  display: grid;
  gap: 8px;
}

.page-faq .faq-chip-row .chip {
  display: block;
  width: 100%;
  padding: 10px 16px;
  text-align: left;
  text-decoration: none;
  font-size: 14px;
  line-height: 1.5;
  color: var(--deep);
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid rgba(11, 42, 74, 0.12);
  border-radius: var(--radius-pill);
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.page-faq .faq-chip-row .chip:hover,
.page-faq .faq-chip-row .chip:focus-visible {
  color: #fff;
  background: var(--deep);
  border-color: var(--deep);
}

.page-faq .faq-index-media {
  margin-top: 18px;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.page-faq .faq-index-media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

/* 右侧问答区 */
.page-faq .faq-body {
  display: grid;
  gap: clamp(30px, 4.5vw, 52px);
  min-width: 0;
}

.page-faq .faq-group {
  scroll-margin-top: 104px;
  min-width: 0;
}

.page-faq .faq-group-head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.page-faq .faq-group-num {
  padding: 6px 12px;
  font-size: 12px;
  line-height: 1;
  letter-spacing: 0.1em;
  color: var(--blue);
  background: var(--mist);
  border-radius: var(--radius-pill);
}

.page-faq .faq-group h2 {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(19px, 2.4vw, 25px);
  font-weight: 700;
  line-height: 1.32;
  color: var(--deep);
}

.page-faq .faq-group-intro {
  margin: 12px 0 20px;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink);
}

/* 步骤条 */
.page-faq .faq-steps {
  list-style: none;
  counter-reset: faqstep;
  display: grid;
  gap: 10px;
  margin: 0 0 20px;
  padding: 0;
}

.page-faq .faq-steps > li {
  position: relative;
  counter-increment: faqstep;
  padding: 14px 16px 14px 54px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink);
  background: var(--mist);
  border-radius: var(--radius-md);
}

.page-faq .faq-steps > li::before {
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 14px;
  top: 14px;
  width: 27px;
  height: 27px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--deep);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1;
}

/* 配图 */
.page-faq .faq-figure {
  margin: 0 0 20px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--mist);
}

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

.page-faq .faq-figure figcaption {
  padding: 10px 16px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--slate);
  background: var(--paper);
}

/* 手风琴 */
.page-faq .faq-accordion {
  display: grid;
  gap: 10px;
}

.page-faq .faq-item {
  background: var(--faq-card);
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.page-faq .faq-item[open] {
  border-color: rgba(242, 169, 59, 0.8);
  box-shadow: var(--shadow-card);
}

.page-faq .faq-item summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--dark, var(--deep));
  color: var(--deep);
}

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

.page-faq .faq-item summary::marker {
  content: "";
}

.page-faq .faq-item summary::before {
  content: "+";
  flex: 0 0 auto;
  width: 24px;
  height: 24px;
  margin-top: 1px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--mist);
  color: var(--blue);
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1;
  transition: background 0.2s ease, color 0.2s ease;
}

.page-faq .faq-item[open] summary::before {
  content: "−";
  background: var(--amber);
  color: var(--deep);
}

.page-faq .faq-answer {
  padding: 0 18px 18px 54px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink);
}

.page-faq .faq-answer a {
  color: var(--blue);
  text-underline-offset: 3px;
}

/* 清单 */
.page-faq .faq-checklist {
  list-style: none;
  display: grid;
  gap: 10px;
  margin: 0 0 20px;
  padding: 0;
}

.page-faq .faq-checklist li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 13px 16px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-md);
}

.page-faq .faq-check-mark {
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  margin-top: 1px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--green);
  color: #fff;
  font-size: 12px;
  line-height: 1;
}

/* 联系卡 */
.page-faq .faq-contact-card {
  padding: clamp(20px, 3vw, 28px);
  border-radius: var(--radius-lg);
  color: #fff;
  background:
    radial-gradient(80% 110% at 96% 0%, rgba(46, 127, 143, 0.55), rgba(46, 127, 143, 0) 62%),
    linear-gradient(150deg, var(--deep) 0%, var(--blue) 100%);
}

.page-faq .faq-contact-card h3 {
  margin: 0 0 16px;
  font-family: var(--font-head);
  font-size: clamp(17px, 2vw, 20px);
  font-weight: 700;
  color: #fff;
}

.page-faq .faq-contact-list {
  margin: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-contact-row {
  display: grid;
  gap: 3px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
}

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

.page-faq .faq-contact-row dt {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.66);
}

.page-faq .faq-contact-row dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: #fff;
  word-break: break-word;
}

.page-faq .faq-contact-row dd:first-of-type {
  font-family: var(--font-mono);
  letter-spacing: 0.01em;
}

.page-faq .faq-contact-note {
  margin: 18px 0 20px;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.82);
}

.page-faq .faq-contact-card .btn-primary {
  background: var(--amber);
  color: var(--deep);
  border-color: var(--amber);
}

/* 行内引导与返回 */
.page-faq .faq-inline-link {
  margin: 16px 0 0;
  padding-left: 14px;
  border-left: 3px solid var(--amber);
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate);
}

.page-faq .faq-inline-link a {
  color: var(--blue);
  font-weight: 600;
  text-underline-offset: 3px;
}

.page-faq .faq-backtop {
  padding-top: 8px;
  text-align: center;
}

/* 中屏以上：左右分栏与错位节奏 */
@media (min-width: 900px) {
  .page-faq .faq-shell {
    grid-template-columns: minmax(230px, 300px) minmax(0, 1fr);
    align-items: start;
  }

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

@media (min-width: 1080px) {
  .page-faq .faq-group:nth-child(even) .faq-accordion {
    padding-left: 22px;
  }

  .page-faq .faq-group:nth-child(odd) .faq-figure {
    width: 92%;
  }
}

@media (max-width: 560px) {
  .page-faq .faq-top {
    border-radius: var(--radius-md);
  }

  .page-faq .faq-top-stats {
    gap: 12px 22px;
  }

  .page-faq .faq-steps > li {
    padding: 12px 14px 12px 46px;
  }

  .page-faq .faq-steps > li::before {
    left: 12px;
    top: 12px;
    width: 24px;
    height: 24px;
  }

  .page-faq .faq-item summary {
    padding: 14px;
    font-size: 14px;
  }

  .page-faq .faq-answer {
    padding: 0 14px 16px 50px;
    font-size: 14px;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-chip-row .chip,
  .page-faq .faq-item,
  .page-faq .faq-item summary::before {
    transition: none;
  }
}
<<<END>>>

.page-faq {
  --dark: currentColor;
}