.page-faq {
  --faq-line: rgba(11, 60, 93, 0.14);
  --faq-line-soft: rgba(245, 247, 250, 0.24);
  --faq-body-text: rgba(16, 34, 46, 0.78);
  background: var(--c-white);
  color: var(--c-ink);
  font-family: var(--font-body);
}

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

/* 顶部 */
.page-faq .faq-top {
  position: relative;
  overflow: hidden;
  padding: clamp(1.3rem, 3vw, 2rem) 0 clamp(3rem, 7vw, 5rem);
  color: var(--c-white);
  background:
    radial-gradient(120% 90% at 88% -20%, rgba(46, 125, 178, 0.55), rgba(46, 125, 178, 0) 62%),
    linear-gradient(158deg, #0B3C5D 0%, #072A41 100%);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 3.2vw), 0 100%);
}

.page-faq .faq-top::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(90deg, rgba(245, 247, 250, 0.06) 0 1px, transparent 1px 96px);
}

.page-faq .faq-top::after {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: linear-gradient(90deg, var(--c-blue) 0 20%, var(--c-white) 20% 40%, var(--c-red) 40% 60%, var(--c-green) 60% 80%, var(--c-yellow) 80% 100%);
  opacity: 0.9;
}

.page-faq .faq-top .breadcrumb {
  position: relative;
  font-size: 0.82rem;
  color: rgba(245, 247, 250, 0.68);
}

.page-faq .faq-top .breadcrumb a {
  color: rgba(245, 247, 250, 0.92);
  text-decoration: none;
}

.page-faq .faq-top .breadcrumb a:hover {
  color: var(--c-orange);
}

.page-faq .faq-top .breadcrumb-sep {
  color: rgba(245, 247, 250, 0.42);
}

.page-faq .faq-head {
  position: relative;
  display: grid;
  gap: clamp(1.4rem, 4vw, 2.4rem);
  margin-top: clamp(1.2rem, 3vw, 2rem);
}

.page-faq .faq-kicker {
  margin: 0;
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  color: var(--c-orange);
}

.page-faq .faq-head-main .display {
  margin: 0.55rem 0 0;
  color: #fff;
  max-width: 16ch;
}

.page-faq .faq-lead {
  margin: 1rem 0 0;
  max-width: 46ch;
  color: rgba(245, 247, 250, 0.84);
  font-size: clamp(0.96rem, 1.4vw, 1.05rem);
  line-height: 1.8;
}

.page-faq .faq-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 1.3rem 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-facts li {
  padding: 0.32rem 0.85rem;
  border: 1px solid var(--faq-line-soft);
  border-radius: var(--r-pill);
  font-size: 0.76rem;
  color: rgba(245, 247, 250, 0.88);
}

.page-faq .faq-shortcut {
  display: grid;
  gap: 0.6rem;
  align-content: start;
  padding: clamp(1rem, 2.4vw, 1.4rem);
  border: 1px solid var(--faq-line-soft);
  border-radius: var(--r-lg);
  background: rgba(245, 247, 250, 0.08);
}

.page-faq .faq-shortcut-label {
  margin: 0 0 0.2rem;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: rgba(245, 247, 250, 0.7);
}

.page-faq .faq-shortcut .btn {
  width: 100%;
  justify-content: center;
  text-align: center;
}

.page-faq .faq-btn-light {
  color: var(--c-white);
  background: transparent;
  border: 1px solid rgba(245, 247, 250, 0.42);
}

.page-faq .faq-btn-light:hover {
  background: rgba(245, 247, 250, 0.12);
}

/* 区块标题 */
.page-faq .section-head {
  display: flex;
  align-items: baseline;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.page-faq .section-no {
  font-size: 0.85rem;
  color: var(--c-orange);
}

/* 01 三步 */
.page-faq .faq-steps {
  padding: clamp(2.2rem, 5vw, 3.6rem) 0;
  background: var(--c-paper);
}

.page-faq .faq-steps-lead {
  margin: 0.9rem 0 0;
  max-width: 52ch;
  font-size: 0.96rem;
  line-height: 1.8;
  color: var(--faq-body-text);
}

.page-faq .faq-step-list {
  display: grid;
  gap: clamp(0.8rem, 1.8vw, 1.1rem);
  margin: clamp(1.2rem, 3vw, 1.9rem) 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-step {
  padding: 1.15rem 1.1rem 1.3rem;
  border-radius: var(--r-lg);
  border-top: 3px solid var(--c-orange);
  background: #fff;
  box-shadow: var(--shadow-1);
}

.page-faq .faq-step:nth-child(2) {
  border-top-color: var(--c-blue);
}

.page-faq .faq-step:nth-child(3) {
  border-top-color: var(--c-green);
}

.page-faq .faq-step-no {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--c-mist);
}

.page-faq .faq-step h3 {
  margin: 0.45rem 0 0.5rem;
  font-size: 1.06rem;
  line-height: 1.5;
  color: var(--c-deep);
}

.page-faq .faq-step p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--faq-body-text);
}

/* 图 */
.page-faq .faq-figure {
  margin: clamp(1.2rem, 3vw, 2rem) 0 0;
  padding: 0.6rem;
  border-radius: var(--r-lg);
  background: #fff;
  box-shadow: var(--shadow-1);
}

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

.page-faq .faq-figure figcaption {
  padding: 0.55rem 0.4rem 0.15rem;
  font-size: 0.74rem;
  color: var(--c-mist);
}

/* 02 问答 */
.page-faq .faq-qa {
  padding: clamp(2.2rem, 5vw, 3.6rem) 0;
  background: var(--c-white);
}

.page-faq .faq-grid {
  display: grid;
  gap: clamp(1.2rem, 3vw, 2rem);
  margin-top: clamp(1.2rem, 3vw, 1.8rem);
}

.page-faq .faq-side-label {
  margin: 0 0 0.7rem;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--c-mist);
}

.page-faq .faq-chips {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.page-faq .faq-chips .chip {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
  padding: 0.68rem 0.95rem 0.68rem 1.15rem;
  border: 1px solid var(--faq-line);
  border-radius: var(--r-md);
  background: #fff;
  color: var(--c-ink);
  font-family: var(--font-head);
  font-size: 0.94rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-faq .faq-chips .chip::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 3px;
  height: 0;
  border-radius: 3px;
  background: var(--c-orange);
  transform: translateY(-50%);
  transition: height 0.22s var(--ease);
}

.page-faq .faq-chips .chip:hover {
  border-color: rgba(242, 140, 40, 0.5);
}

.page-faq .faq-chips .chip[aria-pressed="true"] {
  border-color: var(--c-orange);
  background: rgba(242, 140, 40, 0.1);
  color: var(--c-deep);
}

.page-faq .faq-chips .chip[aria-pressed="true"]::before {
  height: 62%;
}

.page-faq .faq-count {
  margin: 0.9rem 0 0;
  font-size: 0.78rem;
  color: var(--c-deep);
}

.page-faq .faq-count-num {
  color: var(--c-orange);
  font-weight: 600;
}

.page-faq .faq-empty {
  margin: 0.6rem 0 0;
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--c-mist);
}

.page-faq .faq-empty[hidden] {
  display: none;
}

.page-faq .faq-side-note {
  margin-top: 1.2rem;
  padding: 0.9rem 1rem;
  border-radius: var(--r-md);
  background: var(--c-paper);
}

.page-faq .faq-side-note p {
  margin: 0 0 0.5rem;
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--faq-body-text);
}

.page-faq .faq-side-link {
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--c-deep);
  text-decoration: none;
  border-bottom: 2px solid var(--c-orange);
}

.page-faq .qa {
  overflow: clip;
  border: 1px solid var(--faq-line);
  border-radius: var(--r-lg);
  background: #fff;
  box-shadow: var(--shadow-1);
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.page-faq .qa + .qa {
  margin-top: 0.7rem;
}

.page-faq .qa[open] {
  border-color: rgba(242, 140, 40, 0.6);
  box-shadow: var(--shadow-2);
}

.page-faq .qa > summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 0.85rem;
  align-items: center;
  padding: 0.95rem 1.05rem;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .qa-meta {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  align-items: flex-start;
}

.page-faq .qa-no {
  font-size: 0.74rem;
  font-weight: 600;
  color: var(--c-mist);
}

.page-faq .qa-tag {
  padding: 0.1rem 0.45rem;
  border-radius: var(--r-pill);
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.04em;
  background: rgba(46, 125, 178, 0.14);
  color: #245e83;
}

.page-faq .qa[data-filter-item="data"] .qa-tag {
  background: rgba(242, 140, 40, 0.16);
  color: #a85a0d;
}

.page-faq .qa[data-filter-item="version"] .qa-tag {
  background: rgba(31, 143, 107, 0.14);
  color: #14664c;
}

.page-faq .qa[data-filter-item="contact"] .qa-tag {
  background: rgba(198, 71, 58, 0.12);
  color: #963229;
}

.page-faq .qa-q {
  margin: 0;
  font-size: clamp(0.98rem, 1.6vw, 1.06rem);
  font-weight: 700;
  line-height: 1.55;
  color: var(--c-ink);
}

.page-faq .qa-caret {
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--c-deep);
  border-bottom: 2px solid var(--c-deep);
  transform: rotate(45deg);
  transition: transform 0.22s var(--ease), border-color 0.22s var(--ease);
}

.page-faq .qa[open] .qa-caret {
  transform: rotate(225deg);
  border-color: var(--c-orange);
}

.page-faq .qa-body {
  display: grid;
  gap: 1rem;
  margin: 0 1.05rem 1.1rem;
  padding-top: 1rem;
  border-top: 1px dashed var(--faq-line);
}

.page-faq .qa[open] .qa-body {
  animation: faq-fade 0.22s var(--ease);
}

.page-faq .qa-answer p {
  margin: 0 0 0.7rem;
  font-size: 0.93rem;
  line-height: 1.8;
  color: var(--faq-body-text);
}

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

.page-faq .qa-tip {
  padding: 0.8rem 0.9rem;
  border-radius: var(--r-md);
  background: var(--c-paper);
}

.page-faq .qa-tip-label {
  margin: 0 0 0.3rem;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--c-orange);
}

.page-faq .qa-tip p:last-child {
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--c-deep);
}

@keyframes faq-fade {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* 03 版本对照 */
.page-faq .faq-versions {
  padding: clamp(2.2rem, 5vw, 3.6rem) 0;
  color: var(--c-white);
  background: linear-gradient(170deg, #0B3C5D 0%, #072A41 100%);
}

.page-faq .faq-versions .section-title {
  color: #fff;
}

.page-faq .faq-ver-lead {
  margin: 0.9rem 0 0;
  max-width: 54ch;
  font-size: 0.96rem;
  line-height: 1.8;
  color: rgba(245, 247, 250, 0.82);
}

.page-faq .ver-grid {
  display: grid;
  gap: clamp(0.8rem, 2vw, 1.1rem);
  margin-top: clamp(1.2rem, 3vw, 1.8rem);
}

.page-faq .ver-card {
  padding: 1.1rem 1.1rem 1.25rem;
  border: 1px solid var(--faq-line-soft);
  border-radius: var(--r-lg);
  background: rgba(245, 247, 250, 0.07);
}

.page-faq .ver-card-alt {
  border-color: rgba(242, 140, 40, 0.55);
  background: rgba(242, 140, 40, 0.1);
}

.page-faq .ver-badge {
  margin: 0;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--c-yellow);
}

.page-faq .ver-card h3 {
  margin: 0.4rem 0 0.7rem;
  font-size: 1.1rem;
  color: #fff;
}

.page-faq .ver-card ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .ver-card li {
  position: relative;
  padding-left: 1rem;
  margin-bottom: 0.45rem;
  font-size: 0.88rem;
  line-height: 1.7;
  color: rgba(245, 247, 250, 0.84);
}

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

.page-faq .ver-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-blue);
}

.page-faq .ver-card-alt li::before {
  background: var(--c-orange);
}

.page-faq .faq-figure-dark {
  background: rgba(245, 247, 250, 0.06);
  border: 1px solid var(--faq-line-soft);
  box-shadow: none;
}

.page-faq .faq-figure-dark figcaption {
  color: rgba(245, 247, 250, 0.66);
}

/* 04 联系 */
.page-faq .faq-contact {
  padding: clamp(2.2rem, 5vw, 3.6rem) 0 clamp(2.6rem, 6vw, 4rem);
  background: var(--c-paper);
}

.page-faq .contact-grid {
  display: grid;
  gap: clamp(1.2rem, 3vw, 2.2rem);
  margin-top: clamp(1.1rem, 3vw, 1.6rem);
}

.page-faq .contact-copy p {
  margin: 0 0 0.9rem;
  max-width: 46ch;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--faq-body-text);
}

.page-faq .contact-list {
  margin: 0 0 1rem;
  padding: 0;
  list-style: none;
}

.page-faq .contact-list li {
  position: relative;
  padding-left: 1.1rem;
  margin-bottom: 0.4rem;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--c-deep);
}

.page-faq .contact-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 2px;
  background: var(--c-orange);
}

.page-faq .contact-addr {
  font-size: 0.84rem;
  color: var(--c-mist);
}

.page-faq .contact-cards {
  display: grid;
  gap: 0.7rem;
  align-content: start;
}

.page-faq .contact-copy-line {
  display: grid;
  gap: 0.18rem;
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1px solid var(--faq-line);
  border-radius: var(--r-md);
  background: #fff;
  text-align: left;
  cursor: pointer;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.page-faq .contact-copy-line:hover {
  border-color: var(--c-orange);
  box-shadow: var(--shadow-1);
}

.page-faq .contact-copy-label {
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--c-mist);
}

.page-faq .contact-copy-line .copy-value {
  font-size: clamp(0.92rem, 1.6vw, 1.02rem);
  font-weight: 600;
  color: var(--c-deep);
  word-break: break-all;
}

.page-faq .contact-copy-line .copy-hint {
  font-size: 0.72rem;
  color: var(--c-mist);
}

.page-faq .contact-more {
  width: 100%;
  justify-content: center;
  text-align: center;
}

@media (min-width: 720px) {
  .page-faq .qa-body {
    grid-template-columns: minmax(0, 1fr) 216px;
    align-items: start;
  }

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

@media (min-width: 900px) {
  .page-faq .faq-head {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 0.75fr);
    align-items: end;
  }

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

  .page-faq .contact-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  }
}

@media (min-width: 960px) {
  .page-faq .faq-grid {
    grid-template-columns: 244px minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-side {
    position: sticky;
    top: calc(var(--topbar-h) + 1.2rem);
  }
}

@media (max-width: 959px) {
  .page-faq .faq-chips {
    flex-direction: row;
    overflow-x: auto;
    padding-bottom: 0.35rem;
    scrollbar-width: thin;
  }

  .page-faq .faq-chips .chip {
    width: auto;
    flex: 0 0 auto;
    white-space: nowrap;
  }
}

@media (max-width: 560px) {
  .page-faq .faq-head-main .display {
    max-width: none;
  }

  .page-faq .qa > summary {
    gap: 0.6rem;
    padding: 0.85rem 0.9rem;
  }

  .page-faq .qa-meta {
    gap: 0.2rem;
  }

  .page-faq .qa-body {
    margin: 0 0.9rem 1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa[open] .qa-body {
    animation: none;
  }

  .page-faq .qa-caret,
  .page-faq .faq-chips .chip::before {
    transition: none;
  }
}
<<<END>>>