.page-faq {
  --faq-edge: 18px;
  --faq-cut: 22px;
  background: var(--deep-sea);
  color: var(--haze);
  overflow-x: hidden;
}

.page-faq a {
  color: inherit;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding-block: clamp(24px, 4vw, 44px) clamp(40px, 6vw, 76px);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--blueprint) 1px, transparent 1px),
    linear-gradient(90deg, var(--blueprint) 1px, transparent 1px);
  background-size: 24px 24px, 24px 24px;
  opacity: 0.55;
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  top: -30%;
  right: -15%;
  width: 55%;
  height: 165%;
  background: linear-gradient(155deg, rgba(53, 240, 208, 0.16), rgba(255, 106, 43, 0.08) 55%, transparent 75%);
  clip-path: polygon(38% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

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

.page-faq .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--haze);
  margin-bottom: clamp(28px, 4vw, 46px);
}

.page-faq .breadcrumbs a {
  color: var(--haze);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

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

.page-faq .faq-hero__kicker {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--orange);
}

.page-faq .faq-hero h1 {
  margin: 0 0 20px;
  max-width: 15ch;
  font-family: var(--font-display);
  font-size: clamp(34px, 6.4vw, 64px);
  font-weight: 700;
  line-height: 1.03;
  letter-spacing: -0.01em;
  color: var(--cream);
}

.page-faq .faq-hero__lead {
  max-width: 54ch;
  margin: 0;
  font-size: clamp(15.5px, 1.35vw, 18px);
  line-height: 1.78;
  color: var(--haze);
}

.page-faq .statusbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 18px;
  margin-top: clamp(24px, 3.5vw, 36px);
  padding: 12px 16px;
  border: 1px solid var(--blueprint);
  border-left: 3px solid var(--orange);
  background: rgba(11, 36, 52, 0.74);
  backdrop-filter: blur(14px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.page-faq .statusbar__label {
  color: var(--cyan);
}

.page-faq .statusbar__dots {
  display: inline-flex;
  gap: 6px;
}

.page-faq .statusbar__dots i {
  width: 11px;
  height: 11px;
  border: 1px solid var(--blueprint);
  background: rgba(6, 22, 32, 0.9);
  transition: background 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
}

.page-faq .statusbar__note {
  color: var(--haze);
}

.page-faq:has(#step-net:checked) .statusbar__dots i:nth-child(1),
.page-faq:has(#step-cache:checked) .statusbar__dots i:nth-child(2),
.page-faq:has(#step-ver:checked) .statusbar__dots i:nth-child(3) {
  background: var(--turf);
  border-color: var(--turf);
  box-shadow: 0 0 10px rgba(79, 208, 122, 0.55);
}

/* ---------- 区块通用 ---------- */
.page-faq .faq-block {
  padding-block: clamp(44px, 6.5vw, 88px);
}

.page-faq .section-head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 12px 16px;
  margin-bottom: clamp(22px, 3vw, 34px);
}

.page-faq .section-head__idx {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-faq .section-head__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(26px, 3.6vw, 40px);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--cream);
}

.page-faq .band--paper .section-head__title {
  color: var(--ink);
}

.page-faq .band--paper .section-head__idx {
  color: var(--orange);
}

/* ---------- 三步清单 ---------- */
.page-faq .steps-layout {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

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

.page-faq .step {
  position: relative;
  border: 1px solid var(--blueprint);
  background: rgba(6, 22, 32, 0.55);
  clip-path: polygon(0 0, calc(100% - var(--faq-edge)) 0, 100% var(--faq-edge), 100% 100%, 0 100%);
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}

.page-faq .step:has(.step__input:checked) {
  border-color: rgba(79, 208, 122, 0.55);
  background: rgba(79, 208, 122, 0.07);
}

.page-faq .step__input {
  position: absolute;
  top: 0;
  left: 0;
  width: 1px;
  height: 1px;
  margin: 0;
  opacity: 0;
}

.page-faq .step__head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  cursor: pointer;
  user-select: none;
}

.page-faq .step__input:focus-visible ~ .step__head {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-faq .step__box {
  position: relative;
  flex: none;
  width: 22px;
  height: 22px;
  border: 1.5px solid var(--haze);
  border-radius: 3px;
  transition: background 0.25s var(--ease), border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.page-faq .step__box::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 1px;
  width: 7px;
  height: 12px;
  border-right: 2px solid var(--deep-sea);
  border-bottom: 2px solid var(--deep-sea);
  opacity: 0;
  transform: rotate(45deg) scale(0.2);
  transition: opacity 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-faq .step__input:checked ~ .step__head .step__box {
  background: var(--turf);
  border-color: var(--turf);
  box-shadow: 0 0 0 4px rgba(79, 208, 122, 0.16);
}

.page-faq .step__input:checked ~ .step__head .step__box::after {
  opacity: 1;
  transform: rotate(45deg) scale(1);
}

.page-faq .step__num {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-faq .step__input:checked ~ .step__head .step__num {
  color: var(--turf);
}

.page-faq .step__name {
  font-family: var(--font-display);
  font-size: clamp(19px, 2vw, 24px);
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--cream);
}

.page-faq .step__body {
  padding: 0 18px 18px 46px;
}

.page-faq .step__body p {
  margin: 0 0 8px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--haze);
}

.page-faq .step__read {
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0.02em;
  color: var(--sand);
}

.page-faq .step__verdict {
  display: none;
  margin-top: 12px;
  padding: 10px 12px;
  border-left: 2px solid var(--cyan);
  background: rgba(53, 240, 208, 0.07);
  font-size: 13.5px;
  line-height: 1.68;
  color: var(--cream);
}

.page-faq .step__input:checked ~ .step__body .step__verdict {
  display: block;
}

.page-faq .steps__escalate {
  display: none;
  margin-top: 16px;
  padding: 16px 18px;
  border: 1px solid rgba(255, 106, 43, 0.45);
  background: rgba(255, 106, 43, 0.08);
  clip-path: polygon(0 0, calc(100% - var(--faq-edge)) 0, 100% var(--faq-edge), 100% 100%, 0 100%);
}

.page-faq .steps:has(#step-net:checked):has(#step-cache:checked):has(#step-ver:checked) .steps__escalate {
  display: block;
}

.page-faq .steps__escalate-k {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--orange);
}

.page-faq .steps__escalate p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--cream);
}

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

.page-faq .steps-figure {
  margin: 0;
  border: 1px solid var(--blueprint);
  background: var(--deep-sea);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--faq-cut)), calc(100% - var(--faq-cut)) 100%, 0 100%);
  overflow: hidden;
}

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

.page-faq .steps-figure figcaption {
  padding: 12px 16px;
  border-top: 1px solid var(--blueprint);
  font-size: 11.5px;
  letter-spacing: 0.03em;
  line-height: 1.6;
  color: var(--sand);
}

/* ---------- iOS 流程 ---------- */
.page-faq .faq-ios p {
  color: rgba(26, 21, 18, 0.8);
}

.page-faq .faq-ios .reading > p {
  margin: 0;
  font-size: 16px;
  line-height: 1.78;
}

.page-faq .ios-grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

.page-faq .ios-flow {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
}

.page-faq .ios-flow li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-top: 1px solid rgba(26, 21, 18, 0.14);
}

.page-faq .ios-flow li:last-child {
  border-bottom: 1px solid rgba(26, 21, 18, 0.14);
}

.page-faq .ios-flow__num {
  padding-top: 4px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--orange);
}

.page-faq .ios-flow h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--ink);
}

.page-faq .ios-flow p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
}

.page-faq .ios-shot {
  margin: 0;
  padding: 12px;
  background: #0b2434;
  border: 1px solid var(--blueprint);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--faq-cut)), calc(100% - var(--faq-cut)) 100%, 0 100%);
}

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

.page-faq .ios-shot figcaption {
  padding: 10px 4px 2px;
  font-size: 11.5px;
  letter-spacing: 0.03em;
  line-height: 1.6;
  color: var(--sand);
}

/* ---------- 刷新失败 ---------- */
.page-faq .refresh-lead {
  max-width: 58ch;
  margin: 0 0 clamp(22px, 3vw, 32px);
  font-size: 16px;
  line-height: 1.78;
  color: var(--haze);
}

.page-faq .refresh-grid {
  display: grid;
  gap: 14px;
}

.page-faq .refresh-card {
  position: relative;
  padding: 22px 20px 24px;
  border: 1px solid var(--blueprint);
  border-top: 3px solid var(--cyan);
  background: linear-gradient(170deg, rgba(11, 36, 52, 0.9), rgba(6, 22, 32, 0.9));
  clip-path: polygon(0 0, calc(100% - var(--faq-edge)) 0, 100% var(--faq-edge), 100% 100%, 0 100%);
}

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

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

.page-faq .refresh-card__num {
  display: block;
  margin-bottom: 10px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-faq .refresh-card h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 600;
  line-height: 1.25;
  color: var(--cream);
}

.page-faq .refresh-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--haze);
}

.page-faq .refresh-stat {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 22px;
  margin-top: clamp(22px, 3vw, 34px);
  padding: 20px 22px;
  border-left: 3px solid var(--cyan);
  background: rgba(53, 240, 208, 0.06);
}

.page-faq .refresh-stat__num {
  font-size: clamp(30px, 5vw, 46px);
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
}

.page-faq .refresh-stat__text {
  flex: 1 1 260px;
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--haze);
}

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

/* ---------- 问答 ---------- */
.page-faq .qa-board {
  display: grid;
  gap: clamp(18px, 2.5vw, 26px);
}

.page-faq .faq-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
}

.page-faq .filter-pill {
  display: inline-flex;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
}

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

.page-faq .filter-pill > span {
  padding: 7px 15px;
  border: 1px solid var(--blueprint);
  border-radius: 999px;
  color: var(--haze);
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .filter-pill:hover > span {
  border-color: var(--cyan);
  color: var(--cyan);
}

.page-faq .filter-pill input:checked + span {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--deep-sea);
  font-weight: 700;
}

.page-faq .filter-pill input:focus-visible + span {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

.page-faq .qa-board:has(#cat-open:checked) .qa:not([data-cat~="open"]),
.page-faq .qa-board:has(#cat-login:checked) .qa:not([data-cat~="login"]),
.page-faq .qa-board:has(#cat-refresh:checked) .qa:not([data-cat~="refresh"]),
.page-faq .qa-board:has(#cat-team:checked) .qa:not([data-cat~="team"]) {
  display: none;
}

.page-faq .qa-list {
  border-top: 1px solid var(--blueprint);
}

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

.page-faq .qa summary {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 0 16px 14px;
  border-left: 2px solid transparent;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: clamp(17px, 1.7vw, 20px);
  font-weight: 600;
  line-height: 1.45;
  color: var(--cream);
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}

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

.page-faq .qa summary::after {
  content: "+";
  margin-left: auto;
  flex: none;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--cyan);
}

.page-faq .qa summary:hover {
  border-left-color: var(--blueprint);
  color: var(--cyan);
}

.page-faq .qa summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-faq .qa[open] summary {
  border-left-color: var(--cyan);
}

.page-faq .qa[open] summary::after {
  content: "−";
}

.page-faq .qa__body {
  padding: 0 0 18px 14px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--haze);
}

.page-faq .qa__body p {
  margin: 0;
}

/* ---------- 人工坐席 ---------- */
.page-faq .faq-help .help-lead {
  margin: 0 0 20px;
  font-size: 16px;
  line-height: 1.78;
  color: rgba(26, 21, 18, 0.8);
}

.page-faq .help-grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

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

.page-faq .help-list li {
  display: grid;
  grid-template-columns: 14px minmax(0, 1fr);
  gap: 10px;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(26, 21, 18, 0.84);
}

.page-faq .help-list li::before {
  content: "";
  width: 7px;
  height: 7px;
  margin-top: 0.62em;
  background: var(--orange);
  border-radius: 1px;
}

.page-faq .contact-card {
  padding: clamp(22px, 3vw, 32px);
  background: var(--ink);
  clip-path: polygon(0 0, calc(100% - 26px) 0, 100% 26px, 100% 100%, 0 100%);
}

.page-faq .contact-card__k {
  margin: 0 0 18px;
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-faq .contact-card dl {
  margin: 0;
  display: grid;
  gap: 15px;
}

.page-faq .contact-card dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--haze);
}

.page-faq .contact-card dd {
  margin: 4px 0 0;
  font-size: 15.5px;
  line-height: 1.62;
  color: var(--cream);
}

.page-faq .contact-card dd a {
  color: var(--cream);
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-color: var(--orange);
  transition: color 0.2s var(--ease);
}

.page-faq .contact-card dd a:hover,
.page-faq .contact-card dd a:focus-visible {
  color: var(--cyan);
}

.page-faq .contact-card__note {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px solid rgba(143, 166, 180, 0.28);
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--haze);
}

.page-faq .contact-card__btn {
  margin-top: 20px;
}

/* ---------- 响应式 ---------- */
@media (max-width: 559px) {
  .page-faq .step__body {
    padding-left: 18px;
  }

  .page-faq .step__head {
    padding: 14px 15px;
  }

  .page-faq .statusbar {
    align-items: flex-start;
  }

  .page-faq .refresh-stat {
    padding: 18px;
  }
}

@media (min-width: 760px) {
  .page-faq .refresh-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

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

  .page-faq .steps-figure img {
    max-height: 560px;
    object-fit: cover;
  }

  .page-faq .ios-grid {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, 0.82fr);
    align-items: start;
  }

  .page-faq .help-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-hero h1 {
    max-width: 18ch;
  }

  .page-faq .ios-shot {
    position: sticky;
    top: 96px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .step,
  .page-faq .step__box,
  .page-faq .step__box::after,
  .page-faq .statusbar__dots i,
  .page-faq .qa summary,
  .page-faq .filter-pill > span {
    transition: none;
  }
}
<<<END>>>