/* ============ 问题排查页 ============ */
.page-faq {
  --faq-block-pad: clamp(14px, 2vw, 18px);
  --faq-stage-pad: clamp(18px, 2.6vw, 30px);
  display: block;
}

.page-faq .split-main {
  min-width: 0;
}

.page-faq .breadcrumbs {
  padding-block: clamp(14px, 2.4vw, 26px) 0;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-masthead {
  position: relative;
  overflow: hidden;
  padding-block: clamp(18px, 3.2vw, 36px) clamp(24px, 4vw, 46px);
  border-bottom: 2px solid var(--line);
}

.page-faq .faq-masthead::before {
  content: "";
  position: absolute;
  inset: -80px -12% auto -12%;
  height: 360px;
  background: linear-gradient(112deg,
      transparent 6%,
      rgba(227, 178, 92, 0.13) 40%,
      rgba(52, 207, 164, 0.06) 56%,
      transparent 74%);
  pointer-events: none;
}

.page-faq .faq-masthead > * {
  position: relative;
  z-index: 1;
}

.page-faq .faq-masthead h1 {
  margin: 10px 0 18px;
  max-width: 20ch;
  font-family: var(--font-sans);
  font-size: clamp(30px, 5.4vw, 54px);
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-faq .faq-lede {
  max-width: 42em;
  margin: 0 0 22px;
  font-size: clamp(15.5px, 1.4vw, 17.5px);
  line-height: 1.78;
  color: rgba(241, 235, 223, 0.78);
}

.page-faq .faq-quickfacts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-quickfacts li {
  padding: 7px 13px;
  border: 1px solid var(--line);
  background: rgba(20, 36, 59, 0.68);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--gold-soft);
}

/* ---------- 分屏主体 ---------- */
.page-faq .faq-body {
  padding-block: clamp(26px, 4vw, 52px) clamp(40px, 6vw, 78px);
}

.page-faq .faq-aside {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 18px;
}

.page-faq .faq-aside-mark {
  margin: 0;
  padding: 8px 14px;
  border: 2px solid var(--line-strong);
  background: rgba(20, 36, 59, 0.6);
  box-shadow: var(--shadow-mid);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--gold);
  writing-mode: horizontal-tb;
}

.page-faq .faq-aside-nav {
  width: 100%;
}

.page-faq .faq-aside-note {
  margin: 0;
  padding-left: 12px;
  border-left: 2px solid var(--line);
  font-size: 13px;
  line-height: 1.75;
  color: var(--stone);
  max-width: 32ch;
}

/* ---------- 区块通用 ---------- */
.page-faq .section {
  margin-bottom: clamp(34px, 5vw, 62px);
}

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

/* ---------- 配图 ---------- */
.page-faq .faq-figure {
  margin: 0 0 clamp(20px, 3vw, 30px);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 2px solid var(--line);
  background: var(--ink-2);
}

.page-faq .faq-figure-cap {
  margin-top: 10px;
  padding-left: 10px;
  border-left: 2px solid var(--line-strong);
  font-size: 13px;
  line-height: 1.6;
  color: var(--stone);
}

.page-faq .faq-figure--inline {
  margin-top: clamp(16px, 2.4vw, 24px);
  margin-bottom: 0;
}

/* ---------- 分类块面 ---------- */
.page-faq .faq-area {
  position: relative;
}

.page-faq .faq-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.page-faq .faq-blocks {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

.page-faq .faq-block {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 124px;
  padding: var(--faq-block-pad);
  border: 2px solid var(--line);
  background: var(--ink-2);
  cursor: pointer;
  user-select: none;
  transition: transform 0.16s ease, box-shadow 0.16s ease,
    border-color 0.16s ease, background-color 0.16s ease;
}

.page-faq .faq-block-idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--stone);
}

.page-faq .faq-block-title {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-block-text {
  font-size: 13px;
  line-height: 1.62;
  color: var(--stone);
}

.page-faq #faqcat-download:checked ~ .faq-blocks [for="faqcat-download"],
.page-faq #faqcat-entry:checked ~ .faq-blocks [for="faqcat-entry"],
.page-faq #faqcat-size:checked ~ .faq-blocks [for="faqcat-size"],
.page-faq #faqcat-guide:checked ~ .faq-blocks [for="faqcat-guide"] {
  border-color: var(--signal);
  background: rgba(52, 207, 164, 0.1);
  box-shadow: var(--shadow-mid);
  transform: translate(-3px, -3px);
}

.page-faq #faqcat-download:checked ~ .faq-blocks [for="faqcat-download"] .faq-block-idx,
.page-faq #faqcat-entry:checked ~ .faq-blocks [for="faqcat-entry"] .faq-block-idx,
.page-faq #faqcat-size:checked ~ .faq-blocks [for="faqcat-size"] .faq-block-idx,
.page-faq #faqcat-guide:checked ~ .faq-blocks [for="faqcat-guide"] .faq-block-idx {
  color: var(--signal);
}

.page-faq #faqcat-download:focus-visible ~ .faq-blocks [for="faqcat-download"],
.page-faq #faqcat-entry:focus-visible ~ .faq-blocks [for="faqcat-entry"],
.page-faq #faqcat-size:focus-visible ~ .faq-blocks [for="faqcat-size"],
.page-faq #faqcat-guide:focus-visible ~ .faq-blocks [for="faqcat-guide"] {
  outline: 2px solid var(--gold-soft);
  outline-offset: 3px;
}

@media (hover: hover) {
  .page-faq .faq-block:hover {
    border-color: var(--line-strong);
    transform: translate(-2px, -2px);
    box-shadow: var(--shadow-mid);
  }
}

/* ---------- 展开的步骤面板 ---------- */
.page-faq .faq-stage {
  display: none;
  padding: var(--faq-stage-pad);
  border: 2px solid var(--line-strong);
  background: linear-gradient(180deg, rgba(20, 36, 59, 0.94), rgba(11, 21, 36, 0.94));
  box-shadow: var(--shadow-mid);
  animation: faq-stage-in 0.28s ease both;
}

.page-faq #faqcat-download:checked ~ .faq-stages #faq-stage-download,
.page-faq #faqcat-entry:checked ~ .faq-stages #faq-stage-entry,
.page-faq #faqcat-size:checked ~ .faq-stages #faq-stage-size,
.page-faq #faqcat-guide:checked ~ .faq-stages #faq-stage-guide {
  display: block;
}

@keyframes faq-stage-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.page-faq .faq-stage-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}

.page-faq .faq-stage-title {
  margin: 0;
  font-size: clamp(19px, 2.4vw, 25px);
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-stage-lede {
  max-width: 42em;
  margin: 0 0 22px;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(241, 235, 223, 0.74);
}

.page-faq .faq-stage-lede a,
.page-faq .faq-step-body a,
.page-faq .faq-ladder a {
  color: var(--signal);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

/* ---------- 步骤条 ---------- */
.page-faq .faq-steps {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-step {
  position: relative;
  display: flex;
  gap: 16px;
  padding-bottom: 22px;
}

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

.page-faq .faq-step:not(:last-child)::before {
  content: "";
  position: absolute;
  left: 16px;
  top: 40px;
  bottom: 4px;
  width: 2px;
  background: linear-gradient(180deg, var(--line-strong), rgba(227, 178, 92, 0.05));
}

.page-faq .faq-step-num {
  flex: 0 0 auto;
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border: 2px solid var(--line-strong);
  background: rgba(11, 21, 36, 0.92);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gold);
}

.page-faq .faq-step-body {
  min-width: 0;
  padding-top: 3px;
}

.page-faq .faq-step-title {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  color: var(--gold-soft);
}

.page-faq .faq-step-body p {
  max-width: 38em;
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(241, 235, 223, 0.76);
}

/* ---------- 体积对照条 ---------- */
.page-faq .faq-meters {
  margin-top: 22px;
  padding: 16px;
  border: 1px solid var(--line);
  background: rgba(11, 21, 36, 0.66);
}

.page-faq .faq-meter-row {
  display: grid;
  grid-template-columns: minmax(58px, 82px) minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px dashed var(--line-soft);
}

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

.page-faq .faq-meter-label {
  font-size: 13px;
  color: var(--stone);
}

.page-faq .faq-meter-track {
  display: block;
  height: 10px;
  border: 1px solid var(--line-soft);
  background: rgba(116, 128, 143, 0.16);
  overflow: hidden;
}

.page-faq .faq-meter-fill {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--gold), var(--gold-soft));
}

.page-faq .faq-meter-fill--full {
  width: 100%;
}

.page-faq .faq-meter-fill--mid {
  width: 67%;
}

.page-faq .faq-meter-fill--small {
  width: 20%;
}

.page-faq .faq-meter-val {
  font-family: var(--font-mono);
  font-size: 12.5px;
  white-space: nowrap;
  color: var(--gold);
  text-align: right;
}

/* ---------- 异常提示 ---------- */
.page-faq .faq-alert {
  margin-top: 20px;
  padding: 16px 18px;
  border-left: 4px solid var(--clay);
  background: rgba(193, 104, 60, 0.11);
}

.page-faq .faq-alert-title {
  margin: 0 0 10px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--clay);
}

.page-faq .faq-alert ul {
  margin: 0;
  padding-left: 18px;
}

.page-faq .faq-alert li {
  margin-bottom: 8px;
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(241, 235, 223, 0.8);
}

.page-faq .faq-alert li:last-child {
  margin-bottom: 0;
}

.page-faq .faq-alert b {
  color: var(--paper);
}

/* ---------- 入口四情况 ---------- */
.page-faq .faq-cases {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-faq .faq-case {
  padding: 16px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--line-strong);
  background: rgba(11, 21, 36, 0.66);
}

.page-faq .faq-case-no {
  margin: 0 0 7px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--clay);
}

.page-faq .faq-case-title {
  margin: 0 0 8px;
  font-size: 16px;
  color: var(--paper);
}

.page-faq .faq-case p {
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(241, 235, 223, 0.75);
}

.page-faq .faq-case .faq-case-do {
  margin: 0;
  padding-top: 9px;
  border-top: 1px dashed var(--line-soft);
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--signal);
}

/* ---------- 攻略取信阶梯 ---------- */
.page-faq .faq-ladder {
  margin: 0;
  padding: 0 0 0 22px;
  list-style: none;
  border-left: 2px solid var(--line-strong);
}

.page-faq .faq-ladder li {
  position: relative;
  padding-bottom: 20px;
}

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

.page-faq .faq-ladder li::before {
  content: "";
  position: absolute;
  left: -26px;
  top: 7px;
  width: 8px;
  height: 8px;
  background: var(--gold);
  transform: rotate(45deg);
}

.page-faq .faq-ladder-title {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  color: var(--gold-soft);
}

.page-faq .faq-ladder p {
  max-width: 38em;
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(241, 235, 223, 0.74);
}

/* ---------- 交给客服之前 ---------- */
.page-faq .faq-escalate-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
}

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

.page-faq .faq-checklist li {
  display: flex;
  gap: 14px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 15px;
  line-height: 1.72;
  color: rgba(241, 235, 223, 0.82);
}

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

.page-faq .faq-checklist .mono-num {
  flex: 0 0 auto;
  padding-top: 3px;
  font-size: 13px;
  color: var(--gold);
}

.page-faq .faq-contact-card {
  padding: clamp(18px, 2.4vw, 26px);
  border: 2px solid var(--signal-deep);
  background: linear-gradient(158deg, rgba(15, 122, 97, 0.24), rgba(11, 21, 36, 0.92));
  box-shadow: var(--shadow-mid);
}

.page-faq .faq-contact-title {
  margin: 0 0 12px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--signal);
}

.page-faq .faq-contact-card p {
  margin: 0 0 18px;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(241, 235, 223, 0.84);
  overflow-wrap: break-word;
  word-break: break-word;
}

.page-faq .faq-contact-card .mono-num {
  color: var(--gold-soft);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-blocks {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 720px) {
  .page-faq .faq-stage {
    box-shadow: var(--shadow-hard);
  }
}

@media (min-width: 960px) {
  .page-faq .faq-aside-mark {
    padding: 18px 9px;
    letter-spacing: 0.3em;
    writing-mode: vertical-rl;
    text-orientation: upright;
  }

  .page-faq .faq-escalate-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }
}

@media (min-width: 1120px) {
  .page-faq .faq-blocks {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 959px) {
  .page-faq .faq-aside {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
  }

  .page-faq .faq-aside-nav {
    width: 100%;
  }

  .page-faq .faq-aside-nav .toc-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
  }

  .page-faq .faq-aside-note {
    display: none;
  }
}

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

  .page-faq .faq-block {
    transition: none;
  }
}
<<<END>>>