.page-faq {
  --faq-line: rgba(58, 74, 75, 0.18);
  --faq-line-soft: rgba(168, 198, 195, 0.24);
  background: var(--sand);
  color: var(--ink);
}

.page-faq .breadcrumb {
  padding: 16px 0 4px;
  font-size: 13px;
}

.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 6vw, 56px) 0 clamp(56px, 9vw, 104px);
  color: var(--sand);
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(16, 191, 176, 0.30), transparent 62%),
    radial-gradient(80% 70% at 4% 100%, rgba(255, 106, 61, 0.18), transparent 60%),
    linear-gradient(168deg, var(--deep) 0%, var(--deep-2) 64%, var(--deep-3) 100%);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: clamp(44px, 8vw, 92px);
  background: var(--sand);
  clip-path: polygon(0 100%, 100% 0, 100% 100%);
  pointer-events: none;
  z-index: 0;
}

.page-faq .faq-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(24px, 4vw, 46px);
}

.page-faq .faq-hero .eyebrow {
  color: var(--fluor);
}

.page-faq .faq-hero h1 {
  margin: 12px 0 18px;
  font-family: var(--sans);
  font-size: clamp(31px, 7.2vw, 66px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.02em;
  max-width: 15ch;
}

.page-faq .faq-hero .lead {
  max-width: 40ch;
  color: rgba(245, 240, 230, 0.84);
  font-size: clamp(15px, 2.4vw, 18px);
  line-height: 1.75;
}

.page-faq .faq-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  font-size: 14px;
  color: var(--mist);
}

.page-faq .faq-hero-meta .num {
  color: var(--fluor);
  font-family: var(--mono);
  font-size: 17px;
  letter-spacing: 0.06em;
}

.page-faq .faq-hero-media {
  margin: 0;
  border-radius: 26px 6px 26px 6px;
  overflow: hidden;
  box-shadow: 0 22px 48px rgba(5, 25, 26, 0.45);
}

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

.page-faq .faq-hero-media .figure-cap {
  margin: 0;
  padding: 10px 14px;
  background: rgba(5, 25, 26, 0.72);
  color: var(--mist);
  font-size: 13px;
}

/* ---------- 准备 ---------- */
.page-faq .faq-prep {
  padding-top: clamp(30px, 5vw, 56px);
}

.page-faq .faq-prep-grid {
  gap: clamp(24px, 4vw, 48px);
}

.page-faq .faq-prep-list {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: prep;
}

.page-faq .faq-prep-list li {
  position: relative;
  padding: 0 0 20px 44px;
  border-left: 2px solid var(--stone);
  margin-left: 12px;
  color: var(--rock);
  font-size: 15px;
  line-height: 1.75;
}

.page-faq .faq-prep-list li:last-child {
  border-left-color: transparent;
  padding-bottom: 0;
}

.page-faq .faq-prep-list li::before {
  counter-increment: prep;
  content: counter(prep, decimal-leading-zero);
  position: absolute;
  left: -14px;
  top: -2px;
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--deep);
  color: var(--fluor);
  font-family: var(--mono);
  font-size: 12px;
}

.page-faq .faq-prep-list strong {
  display: block;
  color: var(--deep);
  font-size: 16px;
  margin-bottom: 4px;
}

.page-faq .faq-template {
  background: var(--paper);
  border: 1px dashed rgba(58, 74, 75, 0.35);
  border-radius: var(--r-md);
  padding: 20px;
}

.page-faq .faq-template-title {
  margin: 0 0 14px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--teal-deep);
  text-transform: uppercase;
}

.page-faq .faq-template-body {
  margin: 0;
  font-size: 14px;
}

.page-faq .faq-template-body > div {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 10px;
  padding: 9px 0;
  border-bottom: 1px dashed var(--faq-line);
}

.page-faq .faq-template-body > div:last-child {
  border-bottom: 0;
}

.page-faq .faq-template-body dt {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--rock);
  letter-spacing: 0.04em;
}

.page-faq .faq-template-body dd {
  margin: 0;
  color: var(--moss);
  font-size: 13px;
}

/* ---------- 四维吸顶导航 ---------- */
.page-faq .faq-dimnav {
  position: sticky;
  top: 0;
  z-index: 6;
  background: rgba(10, 43, 44, 0.96);
  border-top: 1px solid rgba(111, 247, 228, 0.22);
  border-bottom: 1px solid rgba(111, 247, 228, 0.22);
  backdrop-filter: blur(8px);
}

.page-faq .faq-dimnav-inner {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 9px;
  padding-bottom: 9px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-dimnav-label {
  flex: none;
  margin: 0;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--mist);
}

.page-faq .faq-dimnav-list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-dimnav-list a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 36px;
  padding: 6px 14px;
  border: 1px solid rgba(168, 198, 195, 0.34);
  border-radius: 999px;
  color: var(--sand);
  font-size: 13px;
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.22s var(--ease), border-color 0.22s var(--ease);
}

.page-faq .faq-dimnav-list .num {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--fluor);
}

.page-faq .faq-dimnav-list a:hover,
.page-faq .faq-dimnav-list a:focus-visible {
  background: rgba(16, 191, 176, 0.22);
  border-color: var(--fluor);
}

/* ---------- 四维排查 ---------- */
.page-faq .faq-dims {
  padding-top: clamp(30px, 5vw, 58px);
}

.page-faq .faq-dims .section-title {
  margin-top: 8px;
}

.page-faq .faq-tablet-fig {
  margin: clamp(24px, 4vw, 40px) 0 clamp(10px, 2vw, 20px);
  border-radius: var(--r-lg) var(--r-sm) var(--r-lg) var(--r-sm);
  overflow: hidden;
  background: var(--stone);
}

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

.page-faq .faq-tablet-fig .figure-cap {
  padding: 10px 16px;
  font-size: 13px;
  color: var(--rock);
  background: var(--stone);
}

.page-faq .faq-dim {
  margin-top: clamp(32px, 5vw, 56px);
  scroll-margin-top: 92px;
}

.page-faq .faq-dim-head {
  border-bottom: 2px solid var(--deep);
  padding-bottom: 14px;
  margin-bottom: 18px;
}

.page-faq .faq-dim-label {
  margin: 0 0 8px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--clay);
}

.page-faq .faq-dim-label .num {
  color: var(--teal-deep);
  margin-right: 8px;
}

.page-faq .faq-dim-title {
  margin: 0 0 6px;
  font-size: clamp(21px, 3.4vw, 28px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--deep);
}

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

.page-faq .faq-dim-steps {
  display: grid;
  gap: 12px;
}

.page-faq .faq-step {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 6px 12px;
  padding: 16px 16px 14px 12px;
  background: var(--paper);
  border-left: 4px solid var(--teal);
  border-radius: var(--r-md);
  box-shadow: 0 1px 0 rgba(11, 18, 19, 0.07);
  transition: transform 0.22s var(--ease), background 0.22s var(--ease), border-color 0.22s var(--ease);
}

.page-faq .faq-step:hover {
  transform: translateX(3px);
}

.page-faq .faq-step-num {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding-top: 2px;
  font-family: var(--mono);
  font-size: 15px;
  letter-spacing: 0.04em;
  color: var(--teal-deep);
}

.page-faq .faq-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  display: block;
}

.page-faq .faq-dot--ok {
  background: var(--teal);
  box-shadow: 0 0 0 3px rgba(16, 191, 176, 0.18);
}

.page-faq .faq-step-title {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--deep);
}

.page-faq .faq-step-check {
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--rock);
}

.page-faq .faq-step-more {
  margin-bottom: 10px;
}

.page-faq .faq-step-more summary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  list-style: none;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--teal-deep);
}

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

.page-faq .faq-step-more summary::after {
  content: "＋";
  font-family: var(--sans);
  font-size: 13px;
}

.page-faq .faq-step-more[open] summary::after {
  content: "－";
}

.page-faq .faq-step-more p {
  margin: 8px 0 0;
  padding: 10px 12px;
  border-left: 2px solid var(--stone);
  background: var(--sand-2);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--rock);
}

.page-faq .faq-step-more a,
.page-faq .faq-sub-item a,
.page-faq .faq-sub-foot a,
.page-faq .faq-register-foot a,
.page-faq .faq-feedback-note a {
  color: var(--teal-deep);
  text-underline-offset: 3px;
}

.page-faq .faq-tick {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 13px;
  color: var(--rock);
}

.page-faq .faq-tick input {
  inline-size: 18px;
  block-size: 18px;
  accent-color: var(--teal);
  cursor: pointer;
}

.page-faq .faq-step:has(input:checked) {
  border-left-color: var(--moss);
  background: var(--sand-2);
}

.page-faq .faq-step:has(input:checked) .faq-step-check {
  color: var(--moss);
}

/* ---------- 注册自查 ---------- */
.page-faq .faq-register {
  background:
    radial-gradient(90% 80% at 100% 0%, rgba(255, 106, 61, 0.22), transparent 58%),
    linear-gradient(155deg, var(--deep-2), var(--deep));
  color: var(--sand);
}

.page-faq .faq-register .eyebrow {
  color: var(--coral);
}

.page-faq .faq-register .section-title {
  color: var(--sand);
  margin-top: 8px;
}

.page-faq .faq-register-lead {
  max-width: 42ch;
  color: rgba(245, 240, 230, 0.82);
  margin-top: 12px;
}

.page-faq .faq-reg-list {
  margin: clamp(22px, 4vw, 38px) 0 0;
  padding: 0;
  list-style: none;
  counter-reset: reg;
}

.page-faq .faq-reg-item {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 4px 14px;
  padding: 18px 0;
  border-top: 1px solid var(--faq-line-soft);
}

.page-faq .faq-reg-item::before {
  counter-increment: reg;
  content: counter(reg, decimal-leading-zero);
  grid-row: span 2;
  font-family: var(--mono);
  font-size: 20px;
  color: var(--coral);
  letter-spacing: 0.04em;
}

.page-faq .faq-reg-title {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--fluor);
}

.page-faq .faq-reg-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(245, 240, 230, 0.82);
}

.page-faq .faq-register-foot {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-register-foot a {
  color: var(--fluor);
}

/* ---------- 订阅提醒 ---------- */
.page-faq .faq-sub {
  display: grid;
  gap: 20px;
  margin-top: clamp(20px, 3vw, 32px);
}

.page-faq .faq-sub-item {
  border-top: 3px solid var(--moss);
  padding-top: 14px;
}

.page-faq .faq-sub-item:nth-child(2) {
  border-top-color: var(--clay);
}

.page-faq .faq-sub-item:nth-child(3) {
  border-top-color: var(--coral);
}

.page-faq .faq-sub-item h3 {
  margin: 10px 0 8px;
  font-size: 17px;
  font-weight: 700;
  color: var(--deep);
  line-height: 1.5;
}

.page-faq .faq-sub-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--rock);
}

.page-faq .faq-sub-foot {
  margin: 24px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--faq-line);
  font-size: 14px;
  color: var(--rock);
}

/* ---------- 显示异常 ---------- */
.page-faq .faq-perf-list {
  margin: clamp(20px, 3vw, 32px) 0 0;
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-perf-row {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-perf-term {
  font-size: 15px;
  font-weight: 700;
  color: var(--deep);
  line-height: 1.6;
}

.page-faq .faq-perf-row dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--rock);
}

/* ---------- 状态标识 ---------- */
.page-faq .faq-states-section {
  background: var(--sand-2);
}

.page-faq .faq-states {
  display: grid;
  gap: 14px;
  margin-top: clamp(20px, 3vw, 32px);
}

.page-faq .faq-state {
  background: var(--paper);
  border: 1px solid var(--stone);
  border-radius: var(--r-md);
  padding: 18px;
}

.page-faq .faq-state h3 {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--deep);
}

.page-faq .faq-state p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--rock);
}

.page-faq .faq-state-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  display: inline-block;
  flex: none;
}

.page-faq .faq-state--ok .faq-state-dot {
  background: var(--teal);
  box-shadow: 0 0 0 4px rgba(16, 191, 176, 0.18);
}

.page-faq .faq-state--check .faq-state-dot {
  background: var(--moss);
  box-shadow: 0 0 0 4px rgba(91, 122, 94, 0.18);
}

.page-faq .faq-state--feedback .faq-state-dot {
  background: var(--coral);
  box-shadow: 0 0 0 4px rgba(255, 106, 61, 0.18);
}

/* ---------- 反馈 ---------- */
.page-faq .faq-feedback {
  background:
    linear-gradient(140deg, var(--stone) 0%, var(--sand-2) 70%, var(--moss-tint) 100%);
  padding-bottom: clamp(44px, 7vw, 84px);
}

.page-faq .faq-feedback-grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-faq .faq-feedback-list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-feedback-list li {
  position: relative;
  padding: 10px 0 10px 26px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--rock);
  border-bottom: 1px dashed rgba(58, 74, 75, 0.22);
}

.page-faq .faq-feedback-list li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 18px;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--coral);
}

.page-faq .faq-feedback-note {
  margin: 16px 0 0;
  font-size: 13px;
  color: var(--moss);
}

.page-faq .faq-feedback-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-faq .faq-contact {
  background: var(--deep);
  color: var(--sand);
  border-radius: var(--r-lg) var(--r-sm) var(--r-lg) var(--r-sm);
  padding: 22px 20px;
}

.page-faq .faq-contact-label {
  margin: 16px 0 4px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--fluor);
}

.page-faq .faq-contact-label:first-child {
  margin-top: 0;
}

.page-faq .faq-contact-value {
  margin: 0;
  font-family: var(--mono);
  font-size: 15px;
  line-height: 1.6;
  color: var(--sand);
  word-break: break-word;
}

.page-faq .faq-contact .contact-note {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--faq-line-soft);
  font-size: 13px;
  line-height: 1.75;
  color: var(--mist);
}

@media (min-width: 640px) {
  .page-faq .faq-hero-meta {
    gap: 10px 28px;
    font-size: 15px;
  }

  .page-faq .faq-reg-item {
    grid-template-columns: 60px minmax(0, 1fr);
  }

  .page-faq .faq-reg-item::before {
    font-size: 24px;
  }

  .page-faq .faq-sub {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }
}

@media (min-width: 760px) {
  .page-faq .faq-perf-row {
    grid-template-columns: 250px minmax(0, 1fr);
    gap: 26px;
    align-items: start;
  }

  .page-faq .faq-states {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero-inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: center;
  }

  .page-faq .faq-hero {
    padding-bottom: clamp(70px, 8vw, 118px);
  }

  .page-faq .faq-prep-grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-template {
    position: sticky;
    top: 76px;
  }

  .page-faq .faq-dim {
    display: grid;
    grid-template-columns: 250px minmax(0, 1fr);
    gap: clamp(24px, 4vw, 46px);
    align-items: start;
  }

  .page-faq .faq-dim-head {
    position: sticky;
    top: 78px;
    border-bottom: 0;
    border-left: 3px solid var(--teal);
    padding: 0 0 0 16px;
    margin-bottom: 0;
  }

  .page-faq .faq-tablet-fig {
    max-width: 720px;
  }

  .page-faq .faq-step {
    grid-template-columns: 48px minmax(0, 1fr);
    padding: 20px 22px 16px 16px;
  }

  .page-faq .faq-feedback-grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-register-head {
    display: grid;
    grid-template-columns: 250px minmax(0, 1fr);
    gap: clamp(24px, 4vw, 46px);
    align-items: start;
  }

  .page-faq .faq-register-head .eyebrow {
    grid-column: 1;
  }

  .page-faq .faq-register-head .section-title {
    grid-column: 2;
    margin-top: 0;
  }

  .page-faq .faq-register-lead {
    grid-column: 2;
  }

  .page-faq .faq-reg-list {
    margin-top: clamp(28px, 4vw, 44px);
  }
}

@media (min-width: 1100px) {
  .page-faq .faq-hero h1 {
    max-width: 13ch;
  }

  .page-faq .faq-hero-meta {
    gap: 10px 34px;
    margin-top: 30px;
  }
}
<<<END>>>