.page-faq {
  --faq-gap: clamp(16px, 2.6vw, 30px);
  --faq-side: 190px;
  --faq-step-cut: 8px;
  background: var(--c-night);
  color: var(--c-text);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.75;
  padding-bottom: clamp(48px, 8vw, 110px);
}

.page-faq h1,
.page-faq h2,
.page-faq h3 {
  font-family: var(--font-display);
  color: var(--c-text);
  margin: 0;
}

.page-faq p {
  margin: 0 0 14px;
}

.page-faq a {
  color: var(--c-green);
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding-top: clamp(18px, 3.4vw, 40px);
  padding-bottom: clamp(26px, 4.4vw, 56px);
  background-image:
    linear-gradient(rgba(36, 70, 60, 0.24) 1px, transparent 1px),
    linear-gradient(90deg, rgba(36, 70, 60, 0.24) 1px, transparent 1px);
  background-size: 56px 56px;
  background-position: center top;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: auto -12% -70% 34%;
  height: 340px;
  background: radial-gradient(closest-side, rgba(31, 214, 138, 0.16), transparent 72%);
  pointer-events: none;
}

.page-faq .faq-hero > .wrap {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
  margin-top: clamp(20px, 3.6vw, 38px);
}

.page-faq .faq-hero__lead h1 {
  font-size: clamp(36px, 7.2vw, 74px);
  font-weight: 800;
  line-height: 1.03;
  letter-spacing: -0.02em;
  margin: 12px 0 0;
  max-width: 16ch;
}

.page-faq .faq-hero__lead .lede {
  margin-top: 18px;
  max-width: 60ch;
  color: var(--c-muted);
  font-size: clamp(15.5px, 1.5vw, 17.5px);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-faq .faq-hero__board {
  padding: clamp(18px, 2.4vw, 26px);
  background: linear-gradient(158deg, rgba(18, 53, 43, 0.92), rgba(11, 36, 29, 0.7));
  border: 1px solid var(--c-line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
}

.page-faq .faq-legend {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-legend__row {
  display: grid;
  grid-template-columns: 12px 52px minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  padding-bottom: 11px;
  border-bottom: 1px dashed var(--c-line);
  font-size: 14px;
}

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

.page-faq .faq-legend__key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-muted);
}

.page-faq .faq-legend__val {
  color: var(--c-text);
  font-size: 13.5px;
}

/* ---------- 状态灯 ---------- */

.page-faq .faq-status {
  border-top: 1px solid var(--c-line);
}

.page-faq .faq-status__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.6vw, 44px);
}

.page-faq .faq-status__copy h2 {
  font-size: var(--fs-h2);
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.12;
  margin: 10px 0 0;
}

.page-faq .faq-status__lede {
  margin-top: 14px;
  color: var(--c-muted);
  max-width: 56ch;
}

.page-faq .faq-status__list {
  list-style: none;
  margin: clamp(18px, 2.4vw, 28px) 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-faq .faq-status__list li {
  display: grid;
  grid-template-columns: 12px 58px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  font-size: 15px;
  color: var(--c-muted);
  padding-bottom: 16px;
  border-bottom: 1px solid var(--c-line);
}

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

.page-faq .faq-status__list .status-dot {
  margin-top: 9px;
}

.page-faq .faq-status__list strong {
  color: var(--c-text);
  font-weight: 600;
  font-size: 15px;
}

.page-faq .faq-status__media {
  margin: 0;
  border: 1px solid var(--c-line);
  background: var(--c-turf);
}

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

.page-faq .faq-status__media figcaption {
  padding: 10px clamp(12px, 1.6vw, 16px) 12px;
  color: var(--c-muted);
  border-top: 1px solid var(--c-line);
}

/* ---------- 主体：索引 + 折叠清单 ---------- */

.page-faq .faq-main {
  border-top: 1px solid var(--c-line);
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 48px);
}

.page-faq .faq-index {
  padding-bottom: 6px;
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-faq .faq-index__list a {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 7px 11px;
  font-size: 14px;
  color: var(--c-muted);
  text-decoration: none;
  border: 1px solid var(--c-line);
  background: rgba(18, 53, 43, 0.4);
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease), background 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-faq .faq-index__list a:hover {
  color: var(--c-text);
  border-color: var(--c-green);
  background: rgba(31, 214, 138, 0.09);
  transform: translateX(2px);
}

.page-faq .faq-index__list .num {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--c-cyan);
}

/* ---------- 分类分组 ---------- */

.page-faq .faq-group + .faq-group {
  margin-top: clamp(30px, 4.4vw, 50px);
  padding-top: clamp(28px, 4vw, 44px);
  border-top: 1px solid var(--c-line);
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 16px;
  align-items: start;
  margin-bottom: clamp(16px, 2.4vw, 22px);
}

.page-faq .faq-group__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  line-height: 1;
  color: var(--c-night);
  background: var(--c-amber);
  padding: 6px 10px 5px;
  clip-path: polygon(0 0, 100% 0, 100% 66%, 76% 100%, 0 100%);
}

.page-faq .faq-group__title h2 {
  font-size: clamp(21px, 2.9vw, 31px);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -0.01em;
}

.page-faq .faq-group__sub {
  margin: 7px 0 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--c-muted);
  max-width: 62ch;
}

.page-faq .faq-panel__media {
  margin: 0 0 clamp(16px, 2.4vw, 22px);
  border: 1px solid var(--c-line);
  background: var(--c-turf);
}

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

.page-faq .faq-panel__media figcaption {
  padding: 10px clamp(12px, 1.6vw, 16px) 12px;
  color: var(--c-muted);
  border-top: 1px solid var(--c-line);
}

/* ---------- 折叠条目 ---------- */

.page-faq .faq-item {
  border: 1px solid var(--c-line);
  border-left: 3px solid var(--c-line);
  background: linear-gradient(180deg, rgba(18, 53, 43, 0.62), rgba(11, 36, 29, 0.34));
  margin-bottom: 10px;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}

.page-faq .faq-item:hover {
  border-left-color: var(--c-mint);
}

.page-faq .faq-item[open] {
  border-left-color: var(--c-green);
  background: linear-gradient(180deg, rgba(18, 53, 43, 0.86), rgba(11, 36, 29, 0.48));
}

.page-faq .faq-item > summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: clamp(13px, 1.8vw, 17px) clamp(14px, 2vw, 20px);
  font-size: clamp(15.5px, 1.5vw, 17px);
  font-weight: 600;
  line-height: 1.55;
  color: var(--c-text);
  transition: color 0.3s var(--ease);
}

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

.page-faq .faq-item > summary::after {
  content: "+";
  margin-left: auto;
  flex: none;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--c-green);
  transform: translateY(2px);
  transition: transform 0.3s var(--ease), color 0.3s var(--ease);
}

.page-faq .faq-item[open] > summary::after {
  content: "\2013";
  color: var(--c-mint);
}

.page-faq .faq-item__body {
  padding: 0 clamp(14px, 2vw, 20px) clamp(16px, 2.2vw, 22px);
  border-top: 1px dashed var(--c-line);
  padding-top: 15px;
  font-size: 15.5px;
  color: var(--c-muted);
}

.page-faq .faq-item__body p {
  max-width: 68ch;
}

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

.page-faq .faq-inline-link a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 199, 216, 0.45);
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease);
}

.page-faq .faq-inline-link a:hover {
  color: var(--c-mint);
  border-bottom-color: var(--c-mint);
}

/* ---------- 三步操作 ---------- */

.page-faq .faq-steps {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  counter-reset: stepc;
  display: grid;
  gap: 14px;
}

.page-faq .faq-steps li {
  counter-increment: stepc;
  position: relative;
  padding-left: 44px;
  font-size: 15px;
  line-height: 1.7;
  max-width: 68ch;
}

.page-faq .faq-steps li::before {
  content: counter(stepc, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  width: 29px;
  height: 23px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--c-night);
  background: var(--c-green);
  clip-path: polygon(0 0, 100% 0, 100% 68%, 76% 100%, 0 100%);
}

.page-faq .faq-steps li::after {
  content: "";
  position: absolute;
  left: 13px;
  top: 28px;
  bottom: -14px;
  width: 1px;
  background: linear-gradient(var(--c-line), transparent);
}

.page-faq .faq-steps li:last-child::after {
  display: none;
}

/* ---------- 联系方式 ---------- */

.page-faq .faq-contact {
  border-top: 1px solid var(--c-line);
}

.page-faq .faq-contact__panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 40px);
  padding: clamp(22px, 3.4vw, 40px);
  background:
    radial-gradient(120% 140% at 100% 0%, rgba(31, 214, 138, 0.14), transparent 62%),
    linear-gradient(160deg, var(--c-panel), var(--c-turf));
  border: 1px solid var(--c-line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
}

.page-faq .faq-contact__intro h2 {
  font-size: var(--fs-h2);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.01em;
  margin: 10px 0 0;
}

.page-faq .faq-contact__intro p {
  margin-top: 14px;
  color: var(--c-muted);
  max-width: 56ch;
  font-size: 15.5px;
}

.page-faq .faq-contact__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-contact__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 5px;
  padding: 12px 0 13px;
  border-bottom: 1px dashed var(--c-line);
}

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

.page-faq .faq-contact__key {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--c-cyan);
}

.page-faq .faq-contact__val {
  font-size: 15px;
  color: var(--c-text);
  word-break: break-word;
}

.page-faq .faq-copy {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 7px 11px;
  margin-left: -11px;
  border: 1px solid transparent;
  background: none;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--c-text);
  text-align: left;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease), color 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-faq .faq-copy:hover {
  border-color: var(--c-green);
  background: rgba(31, 214, 138, 0.1);
  transform: translateX(2px);
}

.page-faq .faq-copy__flag {
  font-family: var(--font-body);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--c-muted);
  border: 1px solid var(--c-line);
  padding: 2px 7px 1px;
  white-space: nowrap;
}

.page-faq .faq-copy[data-copied="true"] {
  border-color: var(--c-mint);
}

.page-faq .faq-copy[data-copied="true"] .faq-copy__flag {
  color: var(--c-night);
  background: var(--c-mint);
  border-color: var(--c-mint);
}

.page-faq .faq-contact__aside {
  grid-column: 1 / -1;
  margin: 4px 0 0;
  font-size: 14px;
  color: var(--c-muted);
}

/* ---------- 响应式 ---------- */

@media (min-width: 760px) {
  .page-faq .faq-contact__row {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.5fr);
    gap: 6px 18px;
    align-items: baseline;
  }

  .page-faq .faq-status__list li {
    grid-template-columns: 12px 66px minmax(0, 1fr);
    gap: 14px;
  }
}

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

  .page-faq .faq-status__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.02fr);
    align-items: center;
  }

  .page-faq .faq-contact__panel {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
    align-items: start;
  }
}

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

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--bar-h) + var(--strip-h) + 28px);
  }

  .page-faq .faq-index__list {
    display: grid;
    gap: 0;
    border-left: 1px solid var(--c-line);
    margin-top: 14px;
  }

  .page-faq .faq-index__list a {
    border: 0;
    border-left: 2px solid transparent;
    background: none;
    margin-left: -1px;
    padding: 9px 10px;
  }

  .page-faq .faq-index__list a:hover {
    background: rgba(31, 214, 138, 0.07);
    border-left-color: var(--c-green);
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-index__list a,
  .page-faq .faq-copy,
  .page-faq .faq-item > summary::after,
  .page-faq .faq-inline-link a {
    transition: none;
  }
}
<<<END>>>