.page-faq {
  --faq-gap: clamp(14px, 2.4vw, 24px);
  --faq-soft: rgba(18, 50, 39, 0.55);
  --faq-panel: rgba(11, 24, 18, 0.86);
  color: var(--mist-100);
}

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

.page-faq .container {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding-inline: var(--pad);
}

/* 首屏 */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 4vw, 48px) 0 clamp(26px, 5vw, 56px);
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(255, 106, 42, 0.16) 0%, rgba(255, 106, 42, 0) 58%),
    radial-gradient(80% 70% at 6% 100%, rgba(198, 255, 74, 0.08) 0%, rgba(198, 255, 74, 0) 62%),
    var(--ink-950);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(90deg, rgba(126, 150, 168, 0.08) 0 1px, transparent 1px 64px),
    repeating-linear-gradient(0deg, rgba(126, 150, 168, 0.06) 0 1px, transparent 1px 64px);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 78%);
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 78%);
}

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

.page-faq .breadcrumb {
  margin-bottom: clamp(16px, 3vw, 26px);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: var(--faq-gap);
}

.page-faq .faq-hero__title {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(32px, 7.4vw, 60px);
  line-height: 1.03;
  letter-spacing: -0.02em;
  color: var(--mist-100);
  background: linear-gradient(102deg, var(--mist-100) 34%, var(--orange-500) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.page-faq .faq-hero .lede {
  margin: 16px 0 0;
  max-width: 46ch;
  font-family: var(--font-body);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.75;
  color: rgba(234, 244, 238, 0.82);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(18px, 3vw, 28px);
}

.page-faq .faq-hero__quick {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(155deg, var(--pine-800) 0%, var(--ink-900) 72%);
  padding: clamp(18px, 3vw, 28px);
  box-shadow: var(--shadow-soft);
}

.page-faq .faq-hero__quick-title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--slate-400);
}

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

.page-faq .faq-hero__quick-list a {
  display: block;
  padding: 11px 14px 11px 16px;
  border-left: 2px solid var(--line-strong);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  background: rgba(7, 17, 13, 0.5);
  color: var(--mist-100);
  font-size: 15px;
  line-height: 1.5;
  text-decoration: none;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-faq .faq-hero__quick-list a:hover,
.page-faq .faq-hero__quick-list a:focus-visible {
  border-left-color: var(--lime-300);
  background: rgba(28, 74, 56, 0.65);
  transform: translateX(2px);
  outline: none;
}

.page-faq .faq-hero__quick-note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate-400);
}

/* 战术板双栏 */
.page-faq .faq-board {
  display: grid;
  gap: var(--faq-gap);
  padding-bottom: clamp(40px, 7vw, 84px);
}

.page-faq .faq-index {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--ink-900);
  padding: clamp(16px, 2.6vw, 22px);
}

.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--slate-400);
}

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

.page-faq .faq-index__link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border: 1px solid transparent;
  border-radius: var(--r-pill);
  color: var(--mist-100);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  background: var(--pine-800);
  border-color: var(--line-strong);
  transform: translateX(2px);
  outline: none;
}

.page-faq .faq-index__no {
  font-family: var(--font-mono);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  color: var(--orange-500);
}

.page-faq .faq-index__meta {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--ghost-line);
}

.page-faq .faq-index__meta p {
  margin: 10px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--slate-400);
}

/* 问答区 */
.page-faq .faq-answers {
  display: grid;
  gap: clamp(26px, 4.4vw, 44px);
  min-width: 0;
}

.page-faq .faq-block {
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-faq .faq-block__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--ghost-line);
}

.page-faq .faq-block__num {
  font-family: var(--font-mono);
  font-size: clamp(18px, 2.4vw, 24px);
  font-variant-numeric: tabular-nums;
  color: var(--orange-500);
  line-height: 1;
}

.page-faq .faq-block__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(21px, 3vw, 30px);
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--mist-100);
}

.page-faq .faq-block__intro {
  margin: 12px 0 16px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--slate-400);
  max-width: 58ch;
}

.page-faq .faq-item {
  margin-top: 10px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--faq-panel);
  overflow: hidden;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.page-faq .faq-item[open] {
  border-color: var(--line-strong);
  box-shadow: 0 0 0 2px rgba(198, 255, 74, 0.14);
}

.page-faq .faq-item summary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  padding: 16px clamp(14px, 2.4vw, 20px);
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(15px, 1.8vw, 17px);
  line-height: 1.5;
  color: var(--mist-100);
}

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

.page-faq .faq-item summary:hover {
  background: rgba(28, 74, 56, 0.32);
}

.page-faq .faq-item summary:focus-visible {
  outline: 2px solid var(--lime-300);
  outline-offset: -2px;
}

.page-faq .faq-item summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1.3;
  color: var(--lime-300);
}

.page-faq .faq-item[open] summary::after {
  content: "–";
  color: var(--orange-500);
}

.page-faq .faq-item__q {
  min-width: 0;
}

.page-faq .faq-item__body {
  padding: 0 clamp(14px, 2.4vw, 20px) 18px;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(234, 244, 238, 0.82);
}

.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__body a {
  color: var(--lime-300);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-item__body a:hover {
  color: var(--orange-500);
}

.page-faq .faq-steps-list {
  margin: 4px 0 12px;
  padding: 0;
  list-style: none;
  counter-reset: faqstep;
  display: grid;
  gap: 8px;
}

.page-faq .faq-steps-list li {
  position: relative;
  padding-left: 30px;
  counter-increment: faqstep;
}

.page-faq .faq-steps-list li::before {
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.25em;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--orange-500);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-pill);
  padding: 1px 6px;
}

/* 设备区块 */
.page-faq .faq-block--device {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(170deg, rgba(18, 50, 39, 0.72) 0%, rgba(7, 17, 13, 0.9) 70%);
  padding: clamp(16px, 3vw, 28px);
}

.page-faq .faq-block--device .faq-block__head {
  border-bottom-color: var(--line-strong);
}

.page-faq .faq-figure {
  margin: 0 0 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--pine-800);
}

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

.page-faq .faq-figure figcaption {
  padding: 10px 14px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--slate-400);
  background: rgba(7, 17, 13, 0.72);
}

.page-faq .faq-device-steps {
  display: grid;
  gap: 12px;
  margin-bottom: 8px;
}

.page-faq .faq-device-step {
  position: relative;
  padding: 14px 16px;
  border-radius: var(--r-md);
  border: 1px solid var(--ghost-line);
  background: rgba(126, 150, 168, 0.1);
}

.page-faq .faq-device-step__no {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.08em;
  color: var(--lime-300);
}

.page-faq .faq-device-step__title {
  margin: 6px 0 4px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 16px;
  color: var(--mist-100);
}

.page-faq .faq-device-step__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(234, 244, 238, 0.76);
}

/* 联系卡 */
.page-faq .faq-contact {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: rgba(126, 150, 168, 0.08);
  padding: clamp(16px, 2.6vw, 22px);
  margin-bottom: 12px;
}

.page-faq .faq-contact__row {
  display: grid;
  gap: 6px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--ghost-line);
}

.page-faq .faq-contact__row:first-child {
  padding-top: 0;
}

.page-faq .faq-contact__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--slate-400);
}

.page-faq .faq-contact .copy-field {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-faq .faq-contact .copy-field__value {
  font-family: var(--font-mono);
  font-size: clamp(14px, 2vw, 16px);
  color: var(--white);
  word-break: break-all;
}

.page-faq .faq-contact .copy-field__btn {
  border: 1px solid var(--line-strong);
  border-radius: var(--r-pill);
  background: transparent;
  color: var(--lime-300);
  font-family: var(--font-body);
  font-size: 13px;
  padding: 4px 14px;
  cursor: pointer;
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}

.page-faq .faq-contact .copy-field__btn:hover,
.page-faq .faq-contact .copy-field__btn:focus-visible {
  background: var(--lime-300);
  color: var(--ink-950);
  outline: none;
}

.page-faq .copy-status {
  min-height: 1em;
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--lime-300);
}

.page-faq .faq-contact__note {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate-400);
}

.page-faq .faq-contact__note a {
  color: var(--lime-300);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 底部氛围 */
.page-faq .faq-mood {
  padding: 0 0 clamp(32px, 6vw, 68px);
}

.page-faq .faq-mood__card {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--ink-900);
  box-shadow: var(--shadow-soft);
}

.page-faq .faq-mood__card img {
  width: 100%;
  height: clamp(200px, 30vw, 340px);
  object-fit: cover;
  object-position: center 60%;
}

.page-faq .faq-mood__cap {
  padding: clamp(18px, 3vw, 30px);
  border-top: 1px solid var(--line);
  background: linear-gradient(120deg, var(--pine-800) 0%, var(--ink-900) 62%);
}

.page-faq .faq-mood__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(20px, 3vw, 28px);
  line-height: 1.2;
  color: var(--mist-100);
}

.page-faq .faq-mood__text {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(234, 244, 238, 0.78);
}

.page-faq .faq-mood__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

/* 响应式 */
@media (min-width: 720px) {
  .page-faq .faq-device-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
  }

  .page-faq .faq-device-step {
    border-top: 2px solid var(--line-strong);
    border-radius: var(--r-sm);
  }

  .page-faq .faq-contact__row {
    grid-template-columns: 110px minmax(0, 1fr);
    align-items: center;
    gap: 12px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
    gap: clamp(22px, 3.4vw, 40px);
  }

  .page-faq .faq-board {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    align-items: start;
    gap: clamp(22px, 3.4vw, 44px);
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--header-h) + 18px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-hero__quick-list a,
  .page-faq .faq-index__link,
  .page-faq .faq-item {
    transition: none;
  }

  .page-faq .faq-hero__quick-list a:hover,
  .page-faq .faq-index__link:hover {
    transform: none;
  }
}
<<<END>>>