/* ===== 帮助中心 page-faq ===== */

.page-faq {
  --faq-line: 1px solid var(--ink-700);
}

/* --- Hero --- */
.page-faq .faq-hero {
  padding-top: clamp(26px, 4.6vw, 50px);
  padding-bottom: clamp(38px, 6vw, 76px);
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.6vw, 44px);
}

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

.page-faq .faq-hero__eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--cyan-400);
}

.page-faq .faq-hero__title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(30px, 5.4vw, 54px);
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--paper-050);
}

.page-faq .faq-hero__lead {
  margin: 0 0 20px;
  max-width: 36em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--slate-300);
}

.page-faq .faq-hero__meta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 8px 16px;
  border: var(--faq-line);
  border-radius: var(--radius-pill);
  font-size: 13px;
  color: var(--slate-300);
}

.page-faq .faq-hero__meta .ky-num {
  font-size: 15px;
  color: var(--cyan-400);
}

.page-faq .faq-hero__figure,
.page-faq .faq-order__figure {
  margin: 0;
}

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

/* --- 章节通用 --- */
.page-faq .faq-head {
  margin-bottom: clamp(20px, 2.6vw, 32px);
}

.page-faq .faq-head .ky-section__lead,
.page-faq .faq-order .ky-section__lead,
.page-faq .faq-screen .ky-section__lead,
.page-faq .faq-help .ky-section__lead {
  max-width: 60ch;
}

.page-faq .faq-order .ky-section__num,
.page-faq .faq-screen .ky-section__num,
.page-faq .faq-help .ky-section__num,
.page-faq .faq-follow .ky-section__num {
  display: block;
  margin-bottom: 8px;
}

/* --- 01 索引与折叠问答 --- */
.page-faq .faq-index {
  margin-bottom: clamp(18px, 2.4vw, 26px);
}

.page-faq .faq-index .ky-rail__tab .ky-num {
  margin-left: 6px;
  font-size: 12px;
  opacity: .75;
}

.page-faq .faq-groups {
  position: relative;
  border-top: var(--faq-line);
  padding-top: clamp(20px, 2.8vw, 32px);
}

.page-faq .faq-groups::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: min(240px, 46%);
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--cyan-400), rgba(33, 230, 193, 0));
}

.page-faq .faq-group {
  padding-bottom: clamp(10px, 1.6vw, 18px);
}

.page-faq .faq-group__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 16px;
}

.page-faq .faq-group__badge {
  flex: none;
  padding: 5px 13px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(33, 230, 193, .5);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--cyan-400);
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(18px, 2.3vw, 23px);
  letter-spacing: -.01em;
  color: var(--paper-050);
}

.page-faq .faq-item {
  border: var(--faq-line);
  border-radius: var(--radius-md);
  background: var(--ink-800);
  margin-bottom: 12px;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}

.page-faq .faq-item[open] {
  border-color: rgba(33, 230, 193, .42);
  box-shadow: inset 3px 0 0 var(--cyan-400);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 500;
  line-height: 1.6;
  letter-spacing: -.005em;
  color: var(--paper-050);
}

.page-faq .faq-item__q::-webkit-details-marker { display: none; }
.page-faq .faq-item__q::marker { content: ""; }

.page-faq .faq-item__q::after {
  content: "+";
  flex: none;
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1.25;
  color: var(--cyan-400);
  transition: transform .26s var(--ease);
}

.page-faq .faq-item[open] .faq-item__q::after {
  transform: rotate(45deg);
}

.page-faq .faq-item__a {
  padding: 0 18px 18px;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--slate-300);
}

.page-faq .faq-item__a p {
  margin: 0 0 10px;
  max-width: 64ch;
}

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

.page-faq .faq-item__a a {
  color: var(--cyan-400);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* --- 02 排查顺序 --- */
.page-faq .faq-order {
  background:
    radial-gradient(120% 88% at 90% 6%, rgba(33, 230, 193, .09), transparent 58%),
    var(--ink-900);
}

.page-faq .faq-order__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 52px);
}

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

.page-faq .faq-steps {
  list-style: none;
  margin: clamp(20px, 2.6vw, 30px) 0 0;
  padding: 0;
}

.page-faq .faq-step {
  position: relative;
  display: block;
}

.page-faq .faq-step:not(:last-child)::before {
  content: "";
  position: absolute;
  left: 16px;
  top: 40px;
  bottom: 8px;
  width: 1px;
  background: var(--ink-700);
}

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

.page-faq .faq-step__body {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  width: 100%;
  padding: 4px 0 22px;
  cursor: pointer;
}

.page-faq .faq-step__dot {
  position: relative;
  z-index: 1;
  flex: none;
  width: 33px;
  height: 33px;
  display: grid;
  place-items: center;
  border: var(--faq-line);
  border-radius: 50%;
  background: var(--ink-800);
  font-size: 12px;
  color: var(--slate-300);
  transition: background .22s var(--ease), color .22s var(--ease), border-color .22s var(--ease), box-shadow .22s var(--ease);
}

.page-faq .faq-step__text {
  display: block;
  min-width: 0;
  padding-top: 3px;
}

.page-faq .faq-step__title {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -.01em;
  color: var(--paper-050);
}

.page-faq .faq-step__desc {
  display: block;
  max-width: 58ch;
  font-size: 14px;
  line-height: 1.78;
  color: var(--slate-300);
}

.page-faq .faq-step__check:checked + .faq-step__body .faq-step__dot {
  background: var(--green-400);
  border-color: var(--green-400);
  color: var(--ink-900);
  box-shadow: 0 0 0 4px rgba(61, 240, 138, .16);
}

.page-faq .faq-step__check:focus-visible + .faq-step__body .faq-step__dot {
  outline: 2px solid var(--cyan-400);
  outline-offset: 3px;
}

/* --- 03 大屏替代路径 --- */
.page-faq .faq-screen__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(14px, 2vw, 22px);
  margin-top: clamp(22px, 3vw, 34px);
}

.page-faq .faq-screen__cell {
  border: var(--faq-line);
  border-radius: var(--radius-lg);
  background: var(--ink-800);
  padding: clamp(18px, 2.4vw, 26px);
}

.page-faq .faq-screen__cell:first-child {
  background: linear-gradient(152deg, rgba(33, 230, 193, .13), rgba(12, 23, 48, .94) 62%);
  border-color: rgba(33, 230, 193, .32);
}

.page-faq .faq-screen__label {
  display: inline-block;
  margin-bottom: 12px;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  background: rgba(255, 106, 43, .14);
  border: 1px solid rgba(255, 106, 43, .38);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--orange-500);
}

.page-faq .faq-screen__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(17px, 2.1vw, 20px);
  font-weight: 600;
  letter-spacing: -.01em;
  color: var(--paper-050);
}

.page-faq .faq-screen__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--slate-300);
}

/* --- 04 / 05 双栏 --- */
.page-faq .faq-follow__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 3.6vw, 46px);
}

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

.page-faq .faq-follow__lead {
  margin: 0 0 18px;
  max-width: 52ch;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--slate-300);
}

.page-faq .faq-follow__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-follow__list li {
  position: relative;
  padding: 12px 0 12px 24px;
  border-bottom: var(--faq-line);
  font-size: 14px;
  line-height: 1.78;
  color: var(--slate-300);
}

.page-faq .faq-follow__list li:first-child { border-top: var(--faq-line); }

.page-faq .faq-follow__list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 20px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan-400);
}

.page-faq .faq-follow__list strong {
  display: block;
  margin-bottom: 2px;
  font-family: var(--font-display);
  font-size: 14.5px;
  font-weight: 600;
  color: var(--paper-050);
}

/* --- 状态图例 --- */
.page-faq .faq-legend {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 12px;
  margin: 0 0 18px;
  padding: 0;
}

.page-faq .faq-legend__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border: var(--faq-line);
  border-radius: var(--radius-pill);
  font-size: 13px;
  color: var(--slate-300);
}

.page-faq .faq-legend__dot {
  flex: none;
  width: 9px;
  height: 9px;
  border-radius: 50%;
}

.page-faq .faq-legend__dot--wait { background: var(--amber-300); }
.page-faq .faq-legend__dot--live { background: var(--orange-500); }

.page-faq .faq-legend__dot--done {
  background: var(--green-400);
  animation: faqPulse 3s var(--ease) infinite;
}

@keyframes faqPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(61, 240, 138, .55); }
  50% { box-shadow: 0 0 0 6px rgba(33, 230, 193, 0); }
}

/* --- 06 反馈 --- */
.page-faq .faq-help__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 40px);
  margin-top: clamp(22px, 3vw, 34px);
}

.page-faq .faq-help__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-help__list li {
  position: relative;
  padding: 13px 0 13px 26px;
  border-bottom: var(--faq-line);
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--slate-300);
}

.page-faq .faq-help__list li:first-child { border-top: var(--faq-line); }

.page-faq .faq-help__list li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 22px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--violet-500);
}

.page-faq .faq-help__card {
  border: 1px solid rgba(110, 91, 255, .34);
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, rgba(110, 91, 255, .16), rgba(12, 23, 48, .94) 58%);
  padding: clamp(20px, 2.6vw, 30px);
}

.page-faq .faq-help__row {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin: 0 0 16px;
  padding-bottom: 16px;
  border-bottom: var(--faq-line);
}

.page-faq .faq-help__key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--slate-300);
}

.page-faq .faq-help__val {
  font-family: var(--font-mono);
  font-size: clamp(14px, 1.9vw, 17px);
  line-height: 1.5;
  color: var(--paper-050);
  overflow-wrap: anywhere;
}

.page-faq .faq-help__note {
  margin: 0 0 20px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--slate-300);
}

.page-faq .faq-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0;
}

/* --- 响应式 --- */
@media (min-width: 720px) {
  .page-faq .faq-screen__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }

  .page-faq .faq-order__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-faq .faq-screen__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 4fr) minmax(0, 3fr);
  }

  .page-faq .faq-follow__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(30px, 3vw, 40px);
  }

  .page-faq .faq-follow__item + .faq-follow__item {
    padding-left: clamp(28px, 3.4vw, 46px);
    border-left: var(--faq-line);
  }

  .page-faq .faq-help__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 4fr);
  }
}

@media (max-width: 420px) {
  .page-faq .faq-hero__title {
    font-size: 28px;
  }

  .page-faq .faq-item__q {
    font-size: 14.5px;
    padding: 14px 15px;
  }

  .page-faq .faq-item__a {
    padding: 0 15px 16px;
  }

  .page-faq .faq-help__actions .ky-btn {
    width: 100%;
    text-align: center;
  }
}

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

  .page-faq .faq-item,
  .page-faq .faq-item__q::after,
  .page-faq .faq-step__dot {
    transition: none;
  }
}
<<<END>>>