.page-faq {
  --faq-jade-soft: rgba(63, 191, 175, 0.12);
  --faq-jade-line: rgba(63, 191, 175, 0.45);
  --faq-panel-soft: rgba(22, 35, 58, 0.55);
  --faq-gold-soft: rgba(217, 168, 74, 0.14);
  --faq-rule-soft: rgba(42, 60, 90, 0.65);
  display: block;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  padding-block: clamp(24px, 4vw, 40px) clamp(36px, 6vw, 72px);
  border-bottom: 1px solid var(--rule);
  background:
    linear-gradient(180deg, rgba(22, 35, 58, 0.6) 0%, rgba(14, 23, 38, 0) 70%);
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 52px);
  margin-top: clamp(20px, 3vw, 36px);
}

.page-faq .faq-hero__eyebrow {
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--gold);
  margin: 0 0 18px;
  text-transform: uppercase;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(28px, 5vw, 50px);
  line-height: 1.22;
  letter-spacing: 0.01em;
  color: var(--paper);
  margin: 0 0 clamp(18px, 2.4vw, 26px);
  max-width: 20em;
}

.page-faq .faq-hero__lede {
  color: var(--paper);
  opacity: 0.86;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.9;
  max-width: 40em;
  margin: 0;
}

.page-faq .faq-hero__aside {
  border-left: 2px solid var(--jade);
  background: var(--faq-jade-soft);
  padding: clamp(18px, 2.4vw, 26px) clamp(18px, 2.4vw, 26px);
}

.page-faq .faq-hero__aside-title {
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--jade);
  margin: 0 0 16px;
  text-transform: uppercase;
}

.page-faq .faq-hero__list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
}

.page-faq .faq-hero__list li {
  border-bottom: 1px solid var(--faq-rule-soft);
}

.page-faq .faq-hero__list li:last-child {
  border-bottom: 0;
}

.page-faq .faq-hero__list a {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 11px 0;
  color: var(--paper);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.5;
  transition: color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-faq .faq-hero__list a:hover,
.page-faq .faq-hero__list a:focus-visible {
  color: var(--jade);
  padding-left: 6px;
}

.page-faq .faq-hero__list .mono {
  color: var(--gold);
  font-size: 12px;
  letter-spacing: 0.06em;
  flex: 0 0 auto;
}

.page-faq .faq-hero__meta {
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.08em;
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid var(--faq-rule-soft);
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    align-items: start;
  }
}

/* ---------- 章节框架 ---------- */

.page-faq .faq-section {
  padding-block: clamp(40px, 6.5vw, 84px);
  border-bottom: 1px solid var(--rule);
}

.page-faq .faq-section--panel {
  background: var(--faq-panel-soft);
}

.page-faq .faq-section .section-head {
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-faq .faq-note {
  margin-top: clamp(20px, 3vw, 30px);
  color: var(--muted);
  font-size: 14px;
  line-height: 1.85;
  border-left: 1px solid var(--rule);
  padding-left: 16px;
}

.page-faq .faq-note a {
  color: var(--jade);
  text-decoration: none;
  border-bottom: 1px solid var(--faq-jade-line);
}

.page-faq .faq-note a:hover,
.page-faq .faq-note a:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

/* ---------- 图片容器 ---------- */

.page-faq .faq-figure {
  margin: 0 0 clamp(24px, 3.4vw, 36px);
}

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

/* ---------- 四步登录 ---------- */

.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: faqstep;
}

.page-faq .faq-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(16px, 2.6vw, 32px);
  padding: clamp(20px, 3vw, 30px) 0;
  border-top: 1px solid var(--rule);
  position: relative;
}

.page-faq .faq-step:last-child {
  border-bottom: 1px solid var(--rule);
}

.page-faq .faq-step__num {
  font-size: clamp(26px, 3.6vw, 40px);
  line-height: 1;
  color: var(--jade);
  letter-spacing: 0.02em;
  border-left: 3px solid var(--jade);
  padding-left: 12px;
  align-self: start;
}

.page-faq .faq-step__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.5;
  color: var(--paper);
  margin: 0 0 10px;
}

.page-faq .faq-step__text {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.85;
  margin: 0;
  max-width: 46em;
}

.page-faq .faq-step__more {
  margin-top: 14px;
  border-top: 1px dashed var(--rule);
  padding-top: 12px;
  max-width: 46em;
}

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

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

.page-faq .faq-step__more summary::before {
  content: "+";
  color: var(--cinnabar-lit);
  font-size: 14px;
  line-height: 1;
}

.page-faq .faq-step__more[open] summary::before {
  content: "−";
}

.page-faq .faq-step__more p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
  margin: 10px 0 0;
}

/* ---------- 记录明细 ---------- */

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

.page-faq .faq-records__methods {
  display: grid;
  gap: clamp(16px, 2vw, 22px);
}

.page-faq .faq-method {
  border: 1px solid var(--rule);
  border-left: 3px solid var(--jade);
  padding: clamp(18px, 2.4vw, 24px) clamp(18px, 2.4vw, 26px);
  background: var(--ink-panel);
}

.page-faq .faq-method__num {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--gold);
  margin: 0 0 10px;
  text-transform: uppercase;
}

.page-faq .faq-method__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(16px, 1.9vw, 19px);
  color: var(--paper);
  margin: 0 0 8px;
  line-height: 1.5;
}

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

.page-faq .faq-figure--records {
  margin: 0;
}

.page-faq .faq-records__facts {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 2vw, 20px);
  margin-top: clamp(28px, 4vw, 44px);
  padding-top: clamp(24px, 3vw, 36px);
  border-top: 1px solid var(--rule);
}

.page-faq .faq-records__facts .plate {
  border: 1px solid var(--rule);
  padding: clamp(16px, 2.2vw, 22px);
  background: var(--ink);
}

.page-faq .faq-records__facts .plate__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(26px, 3.4vw, 36px);
  line-height: 1;
  color: var(--gold);
  letter-spacing: 0.02em;
  margin-bottom: 10px;
}

.page-faq .faq-records__facts .plate__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  color: var(--paper);
  margin: 0 0 6px;
}

.page-faq .faq-records__facts .plate__text {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
  margin: 0;
}

@media (min-width: 800px) {
  .page-faq .faq-records__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  }

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

/* ---------- 排查清单 ---------- */

.page-faq .faq-checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: faqcheck;
  border-top: 1px solid var(--rule);
}

.page-faq .faq-check {
  border-bottom: 1px solid var(--rule);
}

.page-faq .faq-check__input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-faq .faq-check__label {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: clamp(14px, 2vw, 18px) 0;
  cursor: pointer;
  transition: background-color var(--dur) var(--ease);
}

.page-faq .faq-check__label:hover {
  background: var(--faq-panel-soft);
}

.page-faq .faq-check__box {
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  margin-top: 3px;
  border: 1px solid var(--rule);
  background: var(--ink);
  position: relative;
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-faq .faq-check__text {
  color: var(--paper);
  font-size: 15px;
  line-height: 1.8;
  transition: color var(--dur) var(--ease);
}

.page-faq .faq-check__input:checked + .faq-check__label .faq-check__box {
  background: var(--jade);
  border-color: var(--jade);
}

.page-faq .faq-check__input:checked + .faq-check__label .faq-check__box::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 1px;
  width: 5px;
  height: 10px;
  border: solid var(--ink);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.page-faq .faq-check__input:checked + .faq-check__label .faq-check__text {
  color: var(--jade-deep);
  text-decoration: line-through;
  text-decoration-color: var(--faq-jade-line);
}

.page-faq .faq-check__input:focus-visible + .faq-check__label .faq-check__box {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.page-faq .faq-callout {
  margin-top: clamp(24px, 3.4vw, 36px);
  border: 1px solid var(--rule);
  border-top: 3px solid var(--cinnabar);
  background: var(--ink-panel);
  padding: clamp(18px, 2.6vw, 26px);
}

.page-faq .faq-callout__tag {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--cinnabar-lit);
  margin: 0 0 10px;
  text-transform: uppercase;
}

.page-faq .faq-callout__text {
  color: var(--paper);
  font-size: 15px;
  line-height: 1.85;
  margin: 0;
  max-width: 46em;
}

/* ---------- 两端对照 ---------- */

.page-faq .faq-compare {
  margin-top: clamp(20px, 3vw, 32px);
}

.page-faq .faq-compare__caption {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--gold);
  margin: 0 0 14px;
  text-transform: uppercase;
}

.page-faq .faq-compare__scroll {
  border: 1px solid var(--rule);
  overflow-x: auto;
}

.page-faq .faq-compare table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-faq .faq-compare thead th {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  text-align: left;
  padding: 14px 18px;
  background: var(--ink-panel);
  border-bottom: 1px solid var(--rule);
}

.page-faq .faq-compare thead th:nth-child(2) {
  background: var(--faq-jade-soft);
  color: var(--jade);
}

.page-faq .faq-compare thead th:nth-child(3) {
  background: var(--panel-light);
  color: var(--ink);
}

.page-faq .faq-compare tbody th {
  text-align: left;
  font-weight: 600;
  color: var(--paper);
  padding: 16px 18px;
  border-bottom: 1px solid var(--rule);
  vertical-align: top;
  width: 26%;
}

.page-faq .faq-compare tbody td {
  color: var(--muted);
  padding: 16px 18px;
  border-bottom: 1px solid var(--rule);
  vertical-align: top;
  line-height: 1.75;
}

.page-faq .faq-compare tbody td:nth-child(2) {
  background: var(--faq-jade-soft);
}

.page-faq .faq-compare tbody td:nth-child(3) {
  background: rgba(232, 236, 242, 0.08);
  color: var(--paper);
  opacity: 0.82;
}

.page-faq .faq-compare tbody tr:last-child th,
.page-faq .faq-compare tbody tr:last-child td {
  border-bottom: 0;
}

/* ---------- 求助区块 ---------- */

.page-faq .faq-help__card {
  border: 3px solid var(--gold);
  background: var(--ink-panel);
  box-shadow: var(--shadow-brut);
  padding: clamp(22px, 4vw, 40px);
  margin-top: clamp(20px, 3vw, 30px);
}

.page-faq .faq-help__label {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--gold);
  margin: 0 0 16px;
  text-transform: uppercase;
}

.page-faq .faq-help__list {
  list-style: none;
  margin: 0 0 clamp(22px, 3vw, 32px);
  padding: 0;
}

.page-faq .faq-help__list li {
  position: relative;
  padding-left: 22px;
  color: var(--paper);
  font-size: 15px;
  line-height: 1.85;
  margin-bottom: 12px;
}

.page-faq .faq-help__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 10px;
  height: 1px;
  background: var(--cinnabar-lit);
}

.page-faq .faq-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: clamp(18px, 2.4vw, 24px);
  border-top: 1px solid var(--rule);
}

.page-faq .faq-help__copy {
  appearance: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
}

.page-faq .faq-help__contact {
  margin-top: clamp(22px, 3vw, 32px);
  padding-top: clamp(18px, 2.4vw, 26px);
  border-top: 1px dashed var(--rule);
  display: grid;
  gap: 14px;
}

.page-faq .faq-help__contact-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  margin: 0;
}

.page-faq .faq-help__contact-label {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-faq .faq-help__contact-value {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.03em;
  color: var(--paper);
  word-break: break-word;
  line-height: 1.7;
}

@media (min-width: 720px) {
  .page-faq .faq-help__contact-item {
    grid-template-columns: 140px minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }
}

/* ---------- 窄屏微调 ---------- */

@media (max-width: 560px) {
  .page-faq .faq-step {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .page-faq .faq-step__num {
    font-size: 24px;
    border-left-width: 2px;
  }

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

  .page-faq .faq-help__card {
    box-shadow: 3px 3px 0 rgba(0, 0, 0, 0.38);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-hero__list a,
  .page-faq .faq-check__label,
  .page-faq .faq-check__box,
  .page-faq .faq-check__text {
    transition: none;
  }
}