.page-faq {
  --faq-gap: clamp(30px, 4.4vw, 60px);
  padding-bottom: clamp(40px, 7vw, 88px);
}

/* 面包屑 */
.page-faq .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 clamp(18px, 3vw, 30px);
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
}
.page-faq .breadcrumb li { display: inline-flex; align-items: center; }
.page-faq .breadcrumb li:not(:last-child)::after {
  content: "/";
  margin-left: 8px;
  color: var(--line);
}
.page-faq .breadcrumb a {
  color: var(--muted);
  text-decoration: none;
  transition: color .18s ease;
}
.page-faq .breadcrumb a:hover { color: var(--cyan); }
.page-faq .breadcrumb [aria-current="page"] { color: var(--mist); }

/* 首屏 */
.page-faq .faq-hero {
  position: relative;
  display: grid;
  gap: clamp(24px, 4vw, 46px);
  padding-bottom: clamp(20px, 3vw, 32px);
}
.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -70px;
  right: -60px;
  width: min(52vw, 440px);
  height: min(52vw, 440px);
  background: radial-gradient(circle at 32% 32%, rgba(53, 242, 208, .13), transparent 70%);
  pointer-events: none;
  z-index: 0;
}
.page-faq .faq-hero__body {
  position: relative;
  z-index: 1;
  min-width: 0;
}
.page-faq .faq-hero h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 5.6vw, 58px);
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--mist);
}
.page-faq .faq-hero .lede {
  margin: 0;
  max-width: 40em;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--muted);
}
.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 32px);
}
.page-faq .faq-hero__figure {
  position: relative;
  z-index: 1;
  margin: 0;
  min-width: 0;
  background: var(--panel-deep);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 34px), calc(100% - 34px) 100%, 0 100%);
  overflow: hidden;
}
.page-faq .faq-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  opacity: .92;
}

/* 费用对照 */
.page-faq .faq-cost {
  position: relative;
  margin-top: var(--faq-gap);
  padding: clamp(22px, 4vw, 46px);
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  border-radius: var(--r);
  overflow: hidden;
}
.page-faq .faq-cost::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 130px;
  height: 130px;
  background: linear-gradient(135deg, transparent 50%, rgba(245, 185, 66, .14) 50%);
  pointer-events: none;
}
.page-faq .faq-cost__head {
  position: relative;
  z-index: 1;
  max-width: 46em;
}
.page-faq .faq-cost__head h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(23px, 3.2vw, 36px);
  line-height: 1.14;
  letter-spacing: -.01em;
  color: var(--mist);
}
.page-faq .faq-cost__head p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}
.page-faq .cost-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 0;
  list-style: none;
}
.page-faq .cost-card {
  min-width: 0;
  padding: 18px 16px 20px;
  background: var(--panel-deep);
  border-top: 2px solid var(--line);
  transition: background .2s ease, border-color .2s ease;
}
.page-faq .cost-card--a { border-top-color: var(--cyan); }
.page-faq .cost-card--b { border-top-color: var(--amber); }
.page-faq .cost-card--c { border-top-color: var(--wine); }
.page-faq .cost-card--d { border-top-color: var(--indigo); }
.page-faq .cost-card:hover { background: rgba(53, 242, 208, .06); }
.page-faq .cost-card__num {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(28px, 3.6vw, 38px);
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--amber);
}
.page-faq .cost-card h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 800;
  letter-spacing: .01em;
  color: var(--mist);
}
.page-faq .cost-card p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--muted);
}
.page-faq .faq-cost__foot {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 18px;
  margin-top: clamp(22px, 3vw, 30px);
  padding-top: clamp(18px, 2.6vw, 26px);
  border-top: 1px solid var(--line-soft);
  align-items: center;
}
.page-faq .faq-cost__figure {
  margin: 0;
  min-width: 0;
  background: var(--panel-deep);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
  overflow: hidden;
}
.page-faq .faq-cost__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  opacity: .9;
}
.page-faq .faq-cost__note {
  min-width: 0;
}
.page-faq .faq-cost__note .annot {
  margin: 0 0 16px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

/* 问题板 */
.page-faq .faq-board {
  margin-top: var(--faq-gap);
  padding: clamp(22px, 4vw, 44px);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--r);
}
.page-faq .faq-board__head {
  max-width: 46em;
}
.page-faq .faq-board__head h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(23px, 3.2vw, 36px);
  line-height: 1.14;
  letter-spacing: -.01em;
  color: var(--mist);
}
.page-faq .faq-board__head p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

/* 分类筛选：纯 CSS 状态驱动 */
.page-faq .faq-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}
.page-faq .faq-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: clamp(20px, 3vw, 28px) 0 clamp(10px, 2vw, 16px);
}
.page-faq .faq-tab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--muted);
  background: var(--panel-deep);
  border: 1px solid var(--line);
  border-radius: var(--r);
  cursor: pointer;
  user-select: none;
  transition: color .18s ease, background .18s ease, border-color .18s ease;
}
.page-faq .faq-tab__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--amber);
  transition: color .18s ease;
}
.page-faq .faq-tab:hover {
  color: var(--mist);
  border-color: var(--glass-line);
}
.page-faq #faq-cat-all:checked ~ .faq-tabs [for="faq-cat-all"],
.page-faq #faq-cat-fee:checked ~ .faq-tabs [for="faq-cat-fee"],
.page-faq #faq-cat-match:checked ~ .faq-tabs [for="faq-cat-match"],
.page-faq #faq-cat-app:checked ~ .faq-tabs [for="faq-cat-app"],
.page-faq #faq-cat-help:checked ~ .faq-tabs [for="faq-cat-help"] {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
  font-weight: 700;
}
.page-faq #faq-cat-all:checked ~ .faq-tabs [for="faq-cat-all"] .faq-tab__num,
.page-faq #faq-cat-fee:checked ~ .faq-tabs [for="faq-cat-fee"] .faq-tab__num,
.page-faq #faq-cat-match:checked ~ .faq-tabs [for="faq-cat-match"] .faq-tab__num,
.page-faq #faq-cat-app:checked ~ .faq-tabs [for="faq-cat-app"] .faq-tab__num,
.page-faq #faq-cat-help:checked ~ .faq-tabs [for="faq-cat-help"] .faq-tab__num {
  color: var(--ink);
}
.page-faq #faq-cat-all:focus-visible ~ .faq-tabs [for="faq-cat-all"],
.page-faq #faq-cat-fee:focus-visible ~ .faq-tabs [for="faq-cat-fee"],
.page-faq #faq-cat-match:focus-visible ~ .faq-tabs [for="faq-cat-match"],
.page-faq #faq-cat-app:focus-visible ~ .faq-tabs [for="faq-cat-app"],
.page-faq #faq-cat-help:focus-visible ~ .faq-tabs [for="faq-cat-help"] {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

.page-faq #faq-cat-fee:checked ~ .faq-list .faq-item:not([data-cat="fee"]),
.page-faq #faq-cat-match:checked ~ .faq-list .faq-item:not([data-cat="match"]),
.page-faq #faq-cat-app:checked ~ .faq-list .faq-item:not([data-cat="app"]),
.page-faq #faq-cat-help:checked ~ .faq-list .faq-item:not([data-cat="help"]) {
  display: none;
}

/* 手风琴 */
.page-faq .faq-list {
  margin-top: clamp(8px, 1.6vw, 14px);
}
.page-faq .faq-item {
  border-bottom: 1px solid var(--line-soft);
}
.page-faq .faq-item:first-child {
  border-top: 1px solid var(--line-soft);
}
.page-faq .faq-item summary {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 38px 16px 2px;
  cursor: pointer;
  list-style: none;
}
.page-faq .faq-item summary::-webkit-details-marker { display: none; }
.page-faq .faq-item summary::marker { content: ""; }
.page-faq .faq-item summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 14px;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--cyan);
}
.page-faq .faq-item[open] summary::after {
  content: "−";
  color: var(--amber);
}
.page-faq .faq-item summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}
.page-faq .faq-item__num {
  flex: none;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--amber);
}
.page-faq .faq-item__q {
  min-width: 0;
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--mist);
  transition: color .18s ease;
}
.page-faq .faq-item summary:hover .faq-item__q,
.page-faq .faq-item[open] .faq-item__q {
  color: var(--cyan);
}
.page-faq .faq-item__body {
  padding: 0 38px 20px 33px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
  animation: faqOpen .26s ease both;
}
.page-faq .faq-item__body p { margin: 0 0 10px; }
.page-faq .faq-item__body p:last-child { margin-bottom: 0; }
.page-faq .faq-item__link a {
  font-size: 13px;
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid rgba(245, 185, 66, .42);
  padding-bottom: 1px;
  transition: color .18s ease, border-color .18s ease;
}
.page-faq .faq-item__link a:hover {
  color: var(--cyan);
  border-color: var(--cyan);
}
@keyframes faqOpen {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: none; }
}

/* 联系色带 */
.page-faq .faq-contact {
  position: relative;
  margin-top: var(--faq-gap);
  display: grid;
  gap: clamp(20px, 3vw, 36px);
  padding: clamp(24px, 4vw, 46px);
  background: linear-gradient(118deg, var(--wine) 0%, var(--indigo) 100%);
  color: var(--mist);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 30px), calc(100% - 30px) 100%, 0 100%);
}
.page-faq .faq-contact__body { min-width: 0; }
.page-faq .faq-contact h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(22px, 3.2vw, 32px);
  line-height: 1.15;
  letter-spacing: -.01em;
  color: #fff;
}
.page-faq .faq-contact__body p {
  margin: 0 0 18px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
  opacity: .9;
}
.page-faq .faq-contact__meta {
  margin: 0;
  min-width: 0;
  display: grid;
  gap: 10px;
  align-content: start;
}
.page-faq .faq-contact__meta > div {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 14px;
  padding-bottom: 9px;
  border-bottom: 1px solid rgba(234, 246, 241, .24);
}
.page-faq .faq-contact__meta dt {
  font-size: 12px;
  letter-spacing: .12em;
  color: rgba(234, 246, 241, .74);
}
.page-faq .faq-contact__meta dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  color: #fff;
  overflow-wrap: anywhere;
}

/* 延伸链接 */
.page-faq .faq-more {
  margin: clamp(24px, 3.4vw, 34px) 0 0;
  font-size: 13px;
  letter-spacing: .02em;
  line-height: 1.9;
  color: var(--muted);
}
.page-faq .faq-more a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--glass-line);
  transition: color .18s ease, border-color .18s ease;
}
.page-faq .faq-more a:hover {
  color: var(--amber);
  border-color: rgba(245, 185, 66, .6);
}

/* 响应式 */
@media (min-width: 620px) {
  .page-faq .cost-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-faq .faq-cost__foot { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
    align-items: end;
  }
  .page-faq .faq-contact {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: center;
  }
}

@media (min-width: 1080px) {
  .page-faq .cost-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .page-faq .faq-item summary { padding-top: 18px; padding-bottom: 18px; }
}

@media (max-width: 480px) {
  .page-faq .faq-item__body { padding-left: 0; padding-right: 8px; }
  .page-faq .faq-tab { font-size: 12.5px; padding: 8px 12px; }
  .page-faq .faq-contact__meta dd { font-size: 13px; }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item__body { animation: none; }
  .page-faq .cost-card,
  .page-faq .faq-tab,
  .page-faq .faq-item__q,
  .page-faq .breadcrumb a,
  .page-faq .faq-item__link a,
  .page-faq .faq-more a { transition: none; }
}
<<<PAGE_CSS_END>>>