.page-faq {
  --faq-hair: rgba(34, 27, 23, 0.14);
  --faq-soft: rgba(34, 27, 23, 0.78);
  --faq-gap: clamp(20px, 4vw, 40px);
  --faq-card: #FFFFFF;
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-faq .faq-crumb-sep {
  margin: 0 8px;
  font-family: var(--font-mono);
  color: rgba(34, 27, 23, 0.4);
}

/* ---------- 首屏控制台 ---------- */
.page-faq .faq-hero {
  position: relative;
  display: grid;
  gap: var(--faq-gap);
  max-width: var(--wrap);
  margin: 0 auto;
  padding: clamp(24px, 5vw, 56px) var(--gutter) clamp(30px, 5.5vw, 64px);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(118deg, rgba(127, 178, 74, 0.16) 0%, rgba(242, 212, 107, 0.12) 32%, rgba(143, 199, 223, 0.08) 58%, transparent 74%),
    repeating-linear-gradient(90deg, rgba(14, 42, 36, 0.05) 0 1px, transparent 1px 34px);
  clip-path: polygon(0 0, 100% 0, 100% 74%, 0 100%);
  pointer-events: none;
  z-index: 0;
}

.page-faq .faq-hero__intro,
.page-faq .faq-board {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero__intro h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(29px, 5.6vw, 50px);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--ink);
  transform: skewX(-2.5deg);
  transform-origin: left bottom;
}

.page-faq .faq-hero__lead {
  margin: 20px 0 0;
  max-width: 62ch;
  font-size: clamp(15.5px, 1.6vw, 17.5px);
  line-height: 1.78;
  color: var(--faq-soft);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

/* ---------- 通道状态面板 ---------- */
.page-faq .faq-board {
  align-self: start;
  background: var(--ink-green);
  color: var(--paper);
  padding: clamp(20px, 3vw, 26px);
  border-radius: 2px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
  box-shadow: var(--shadow-cut);
}

.page-faq .faq-board__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(246, 239, 226, 0.2);
}

.page-faq .faq-board .mono-label {
  color: var(--neon);
}

.page-faq .faq-board__ver {
  font-family: var(--font-mono);
  font-size: 12px;
  color: rgba(246, 239, 226, 0.62);
}

.page-faq .faq-board__list {
  list-style: none;
  margin: 6px 0 0;
  padding: 0;
}

.page-faq .faq-board__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 13px 0;
  border-bottom: 1px dashed rgba(246, 239, 226, 0.16);
}

.page-faq .faq-board__name {
  font-size: 15px;
  color: rgba(246, 239, 226, 0.86);
}

.page-faq .faq-board__val {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--neon);
}

.page-faq .faq-lamp {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--neon);
  box-shadow: 0 0 0 3px rgba(47, 230, 200, 0.18);
  animation: faq-breathe 2.6s ease-in-out infinite;
}

@keyframes faq-breathe {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.45; }
}

.page-faq .faq-board__foot {
  margin: 16px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(246, 239, 226, 0.66);
}

/* ---------- 故障分类跳转 ---------- */
.page-faq .faq-nav {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 var(--gutter) clamp(6px, 2vw, 18px);
}

.page-faq .faq-nav__label {
  color: rgba(34, 27, 23, 0.55);
}

.page-faq .faq-nav__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0 0 8px;
  display: flex;
  gap: 10px;
  overflow-x: auto;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-nav__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  padding: 9px 15px;
  border: 1px solid var(--faq-hair);
  border-radius: 999px;
  background: var(--faq-card);
  color: var(--ink);
  font-size: 14px;
  text-decoration: none;
  transition: border-color var(--speed) ease, background-color var(--speed) ease, color var(--speed) ease;
}

.page-faq .faq-nav__link:hover,
.page-faq .faq-nav__link:focus-visible {
  border-color: var(--ink-green);
  background: rgba(47, 230, 200, 0.16);
  color: var(--ink-green);
  outline: none;
}

.page-faq .faq-nav__num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--summer);
}

/* ---------- 章节骨架 ---------- */
.page-faq .faq-block__inner {
  display: grid;
  gap: clamp(18px, 3.2vw, 30px);
}

.page-faq .section__title {
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -0.01em;
}

/* ---------- 步骤列表 ---------- */
.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .faq-step {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 4px 16px;
  padding: clamp(18px, 3vw, 24px) clamp(16px, 3vw, 26px);
  background: var(--faq-card);
  border: 1px solid var(--faq-hair);
  border-left: 4px solid var(--ink-green);
  border-radius: 2px var(--radius) var(--radius) 2px;
}

.page-faq .faq-step__num {
  grid-row: 1 / span 2;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: var(--ink-green);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.page-faq .faq-step__body {
  grid-column: 2;
}

.page-faq .faq-step__title {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
}

.page-faq .faq-step__body p {
  margin: 8px 0 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--faq-soft);
}

.page-faq .faq-step__mark {
  grid-column: 2;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  width: fit-content;
  font-family: var(--font-mono);
  font-size: 12px;
  color: rgba(34, 27, 23, 0.55);
  cursor: pointer;
}

.page-faq .faq-step__mark input {
  appearance: none;
  -webkit-appearance: none;
  width: 17px;
  height: 17px;
  margin: 0;
  border: 1.5px solid rgba(34, 27, 23, 0.34);
  border-radius: 4px;
  background: var(--paper);
  position: relative;
  cursor: pointer;
  transition: background-color var(--speed) ease, border-color var(--speed) ease;
}

.page-faq .faq-step__mark input:checked {
  background: var(--neon);
  border-color: var(--ink-green);
}

.page-faq .faq-step__mark input:checked::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 1px;
  width: 5px;
  height: 9px;
  border: solid var(--ink-green);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

/* ---------- 折叠说明 ---------- */
.page-faq .faq-more {
  border: 1px dashed rgba(34, 27, 23, 0.24);
  border-radius: var(--radius);
  background: rgba(231, 236, 234, 0.55);
  padding: 0 clamp(16px, 3vw, 24px);
}

.page-faq .faq-more > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--ink-green);
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-more > summary::after {
  content: "+";
  font-size: 19px;
  line-height: 1;
  color: var(--summer);
}

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

.page-faq .faq-more p {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--faq-soft);
}

.page-faq .faq-more a {
  color: var(--ink-green);
  text-underline-offset: 3px;
}

/* ---------- 登录章节 ---------- */
.page-faq .faq-split {
  display: grid;
  gap: var(--faq-gap);
}

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

.page-faq .faq-action {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 16px;
  padding: 18px clamp(16px, 3vw, 24px);
  background: var(--faq-card);
  border: 1px solid var(--faq-hair);
  border-radius: var(--radius);
}

.page-faq .faq-action__k {
  display: grid;
  place-items: center;
  align-self: start;
  height: 30px;
  border-radius: 6px;
  background: rgba(143, 199, 223, 0.28);
  color: var(--ink-green);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
}

.page-faq .faq-action__title {
  margin: 0;
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--ink);
}

.page-faq .faq-action p {
  margin: 7px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--faq-soft);
}

/* ---------- 通道卡片步骤 ---------- */
.page-faq .faq-cards {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(14px, 2.4vw, 20px);
}

.page-faq .faq-card {
  padding: clamp(20px, 3vw, 26px) clamp(16px, 3vw, 24px);
  background: var(--faq-card);
  border: 1px solid var(--faq-hair);
  border-top: 3px solid var(--ink-green);
  border-radius: 0 0 var(--radius) var(--radius);
}

.page-faq .faq-cards .faq-card:nth-child(2) {
  border-top-color: var(--summer);
}

.page-faq .faq-cards .faq-card:nth-child(3) {
  border-top-color: var(--amber);
}

.page-faq .faq-cards .faq-card:nth-child(4) {
  border-top-color: var(--ice);
}

.page-faq .faq-card .mono-label {
  color: rgba(34, 27, 23, 0.5);
}

.page-faq .faq-card__title {
  margin: 10px 0 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
}

.page-faq .faq-card p:not(.mono-label) {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--faq-soft);
}

/* ---------- 图片框 ---------- */
.page-faq .media-frame {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--ink-green);
  border: 1px solid var(--faq-hair);
  box-shadow: var(--shadow-cut);
}

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

.page-faq .media-frame__caption {
  margin: 0;
  padding: 12px 16px;
  background: var(--ink-green);
  color: rgba(246, 239, 226, 0.8);
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.6;
}

.page-faq .faq-figure--wide {
  align-self: start;
}

/* ---------- 显示问题双栏 ---------- */
.page-faq .faq-pair {
  display: grid;
  gap: clamp(14px, 2.4vw, 20px);
}

.page-faq .faq-pair__item {
  padding: clamp(20px, 3vw, 26px) clamp(16px, 3vw, 24px);
  background: linear-gradient(180deg, rgba(143, 199, 223, 0.16) 0%, rgba(246, 239, 226, 0) 58%), var(--faq-card);
  border: 1px solid var(--faq-hair);
  border-radius: var(--radius);
}

.page-faq .faq-pair__item h3 {
  margin: 12px 0 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
}

.page-faq .faq-pair__item p {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--faq-soft);
}

.page-faq .faq-pair__item .badge {
  display: inline-block;
}

/* ---------- 三类误判 ---------- */
.page-faq .faq-triage {
  display: grid;
  gap: clamp(14px, 2.4vw, 20px);
}

.page-faq .faq-triage__item {
  padding: clamp(20px, 3vw, 26px) clamp(16px, 2.8vw, 24px);
  background: var(--faq-card);
  border: 1px solid var(--faq-hair);
  border-radius: var(--radius);
}

.page-faq .faq-triage__item--net {
  border-top: 3px solid var(--spring);
}

.page-faq .faq-triage__item--acc {
  border-top: 3px solid var(--yellow);
}

.page-faq .faq-triage__item--dev {
  border-top: 3px solid var(--ice);
}

.page-faq .faq-triage__title {
  margin: 10px 0 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
}

.page-faq .faq-triage__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-triage__list li {
  position: relative;
  padding-left: 16px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--faq-soft);
}

.page-faq .faq-triage__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.42;
}

.page-faq .faq-triage__hint {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--faq-hair);
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--ink-green);
}

/* ---------- 反馈准备与联系 ---------- */
.page-faq .faq-ready {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-ready li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 16px 18px;
  background: var(--faq-card);
  border: 1px solid var(--faq-hair);
  border-radius: var(--radius);
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--ink);
}

.page-faq .faq-ready__num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--summer);
}

.page-faq .faq-contact {
  margin-top: clamp(18px, 3vw, 26px);
  padding: clamp(22px, 4vw, 34px);
  background: var(--ink-green);
  color: var(--paper);
  border-radius: var(--radius);
  display: grid;
  gap: 12px;
}

.page-faq .faq-contact__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
  margin: 0;
}

.page-faq .faq-contact__label {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: rgba(246, 239, 226, 0.6);
  min-width: 72px;
}

.page-faq .faq-contact .mono-num {
  font-family: var(--font-mono);
  font-size: clamp(16px, 2.4vw, 20px);
  font-weight: 700;
  color: var(--neon);
  word-break: break-all;
  text-shadow: 0 0 14px rgba(47, 230, 200, 0.35);
}

.page-faq .faq-contact__note {
  margin: 4px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(246, 239, 226, 0.7);
}

.page-faq .faq-contact__links {
  margin: 6px 0 0;
  padding-top: 16px;
  border-top: 1px solid rgba(246, 239, 226, 0.18);
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(246, 239, 226, 0.78);
}

.page-faq .faq-contact__links a {
  color: var(--neon);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 入场动效 ---------- */
@media (prefers-reduced-motion: no-preference) {
  .page-faq [data-reveal] {
    opacity: 0;
    transform: translateY(14px);
    transition: opacity var(--speed) ease, transform var(--speed) ease;
  }

  .page-faq [data-reveal].is-visible {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-lamp {
    animation: none;
  }
}

/* ---------- 窄屏 ---------- */
@media (max-width: 640px) {
  .page-faq .faq-hero::before {
    clip-path: polygon(0 0, 100% 0, 100% 88%, 0 100%);
  }

  .page-faq .faq-hero__intro h1 {
    transform: none;
  }

  .page-faq .faq-step {
    grid-template-columns: 36px minmax(0, 1fr);
    gap: 4px 12px;
  }

  .page-faq .faq-step__num {
    width: 34px;
    height: 34px;
    font-size: 13px;
  }

  .page-faq .faq-action {
    grid-template-columns: minmax(0, 1fr);
    gap: 10px;
  }

  .page-faq .faq-action__k {
    justify-self: start;
    padding: 0 10px;
  }
}

/* ---------- 中屏 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

/* ---------- 宽屏 ---------- */
@media (min-width: 900px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.5fr) minmax(290px, 1fr);
    align-items: end;
  }

  .page-faq .faq-board {
    transform: translateY(-6px);
  }
}

@media (min-width: 980px) {
  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1.4fr) minmax(260px, 0.8fr);
    align-items: start;
  }

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