.page-faq {
  --faq-gap: clamp(16px, 2.6vw, 28px);
  --faq-pad: clamp(16px, 3vw, 28px);
}

.page-faq .pn-breadcrumb {
  padding-block: clamp(14px, 2.4vw, 22px) 0;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-top: clamp(10px, 2vw, 20px);
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 44px);
  align-items: end;
}

.page-faq .faq-hero__title {
  margin: 12px 0 14px;
}

.page-faq .faq-hero__media {
  margin: 0;
  border: 1px solid var(--line-600);
}

.page-faq .faq-quicklinks {
  list-style: none;
  margin: clamp(18px, 3vw, 28px) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-quicklinks a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border: 1px solid var(--line-600);
  background: var(--night-900);
  color: var(--paper-100);
  font-size: 14px;
  line-height: 1.2;
  text-decoration: none;
  transition: border-color 0.18s ease, color 0.18s ease, background 0.18s ease;
}

.page-faq .faq-quicklinks a:hover,
.page-faq .faq-quicklinks a:focus-visible {
  border-color: var(--cyan-400);
  color: var(--cyan-400);
}

.page-faq .faq-quicklinks span {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--amber-500);
}

/* ---------- 通用小段 ---------- */
.page-faq .faq-sub {
  margin: 10px 0 0;
  max-width: 64ch;
  color: var(--muted-300);
  font-size: 15px;
  line-height: 1.75;
}

.page-faq .faq-sub a {
  color: var(--cyan-400);
  text-decoration: none;
  border-bottom: 1px solid var(--line-600);
}

.page-faq .faq-sub a:hover {
  border-bottom-color: var(--cyan-400);
}

/* ---------- 三步指引 ---------- */
.page-faq .faq-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
  margin-top: clamp(20px, 3vw, 30px);
}

.page-faq .faq-step {
  position: relative;
  padding: var(--faq-pad);
  border: 1px solid var(--line-600);
  background: linear-gradient(170deg, var(--panel-700) 0%, var(--night-900) 72%);
}

.page-faq .faq-step::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: var(--cyan-400);
}

.page-faq .faq-step:nth-child(2)::before {
  background: var(--amber-500);
}

.page-faq .faq-step__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.page-faq .faq-step__num {
  font-family: var(--font-mono);
  font-size: clamp(2.4rem, 7vw, 3.6rem);
  line-height: 0.9;
  letter-spacing: -0.05em;
  color: var(--cyan-400);
  text-decoration: none;
}

.page-faq .faq-step:nth-child(2) .faq-step__num {
  color: var(--amber-500);
}

.page-faq .faq-step__num:hover,
.page-faq .faq-step__num:focus-visible {
  text-decoration: underline;
}

.page-faq .faq-step__arrow {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  color: var(--muted-300);
}

.page-faq .faq-step__title {
  margin: 12px 0 8px;
  font-size: clamp(1.1rem, 2.4vw, 1.35rem);
  letter-spacing: -0.02em;
}

.page-faq .faq-step__text {
  margin: 0;
  color: var(--muted-300);
  font-size: 15px;
  line-height: 1.72;
}

/* ---------- 问答组 ---------- */
.page-faq .faq-group {
  margin-top: clamp(26px, 4vw, 46px);
}

.page-faq .faq-group__head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 14px;
}

.page-faq .faq-group__title {
  margin: 0;
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  letter-spacing: -0.02em;
}

.page-faq .faq-list {
  border-top: 1px solid var(--line-600);
}

.page-faq .faq-list .pn-faq {
  border-bottom: 1px solid var(--line-600);
}

.page-faq .faq-list .pn-faq__q {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 15px 4px;
  font-size: 15.5px;
  color: var(--paper-100);
  transition: color 0.18s ease;
}

.page-faq .faq-list .pn-faq__q:hover,
.page-faq .faq-list .pn-faq[open] .pn-faq__q {
  color: var(--cyan-400);
}

.page-faq .faq-list .pn-faq__a {
  padding: 0 4px 16px;
  color: var(--muted-300);
  font-size: 14.5px;
  line-height: 1.78;
}

.page-faq .faq-list .pn-faq__a p {
  margin: 0 0 8px;
}

.page-faq .faq-list .pn-faq__a p:last-child {
  margin-bottom: 0;
}

/* ---------- 版本对照 ---------- */
.page-faq .faq-versions {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
  align-items: start;
}

.page-faq .faq-versions__media {
  margin: 0;
  border: 1px solid var(--line-600);
}

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

.page-faq .faq-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 14px;
}

.page-faq .faq-legend__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted-300);
}

.page-faq .faq-legend__dot {
  width: 12px;
  height: 12px;
  background: var(--cyan-400);
}

.page-faq .faq-legend__item--amber .faq-legend__dot {
  background: var(--amber-500);
}

.page-faq .faq-cmp {
  width: 100%;
  margin-top: 14px;
  border-collapse: collapse;
  border: 1px solid var(--line-600);
  background: var(--night-900);
}

.page-faq .faq-cmp th,
.page-faq .faq-cmp td {
  padding: 12px 14px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line-600);
  font-size: 14.5px;
  line-height: 1.7;
}

.page-faq .faq-cmp th {
  width: 34%;
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--muted-300);
  background: var(--pitch-800);
}

.page-faq .faq-cmp td {
  color: var(--paper-100);
}

.page-faq .faq-cmp tbody tr:last-child th,
.page-faq .faq-cmp tbody tr:last-child td {
  border-bottom: 0;
}

/* ---------- 会员中心 ---------- */
.page-faq .faq-member {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
  align-items: start;
  margin-top: clamp(18px, 3vw, 28px);
}

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

.page-faq .faq-memberList li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  padding: 15px 16px;
  border: 1px solid var(--line-600);
  background: var(--pitch-800);
}

.page-faq .faq-memberList li > .pn-mono {
  font-size: 13px;
  color: var(--amber-500);
  padding-top: 3px;
}

.page-faq .faq-memberList b {
  display: block;
  margin-bottom: 5px;
  font-size: 15.5px;
  color: var(--paper-100);
}

.page-faq .faq-memberList p {
  margin: 0;
  font-size: 14px;
  line-height: 1.68;
  color: var(--muted-300);
}

.page-faq .faq-pathCard {
  padding: var(--faq-pad);
  border: 1px solid var(--line-600);
  background: var(--night-950);
}

.page-faq .faq-pathCard__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--muted-300);
}

.page-faq .faq-path {
  display: block;
  width: 100%;
  height: auto;
  margin: 6px 0 14px;
}

.page-faq .faq-path__line {
  stroke: var(--line-600);
  stroke-width: 2;
  stroke-dasharray: 6 6;
}

.page-faq .faq-path__arrowhead {
  fill: var(--cyan-400);
}

.page-faq .faq-path__node circle {
  fill: var(--cyan-400);
}

.page-faq .faq-path__node--amber circle {
  fill: var(--amber-500);
}

.page-faq .faq-path__label {
  fill: var(--paper-100);
  font-family: var(--font-body);
  font-size: 19px;
  font-weight: 700;
}

.page-faq .faq-path__sub {
  fill: var(--muted-300);
  font-family: var(--font-mono);
  font-size: 13px;
}

/* ---------- 数据带 ---------- */
.page-faq .faq-figures {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: clamp(18px, 3vw, 28px);
  background: var(--line-600);
  border: 1px solid var(--line-600);
}

.page-faq .faq-figure {
  padding: clamp(14px, 2.6vw, 22px);
  background: var(--night-900);
}

.page-faq .faq-figure__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 4.4vw, 2.4rem);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--cyan-400);
}

.page-faq .faq-figure__label {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  color: var(--muted-300);
}

/* ---------- 联系前准备 ---------- */
.page-faq .faq-prep {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
  align-items: start;
  margin-top: clamp(18px, 3vw, 28px);
}

.page-faq .faq-prep__cards {
  display: grid;
  gap: 10px;
}

.page-faq .faq-prep__card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  padding: 16px;
  border-left: 3px solid var(--amber-500);
  background: var(--pitch-800);
}

.page-faq .faq-prep__card > .pn-mono {
  font-size: 13px;
  color: var(--amber-500);
  padding-top: 3px;
}

.page-faq .faq-prep__card b {
  display: block;
  margin-bottom: 5px;
  font-size: 15.5px;
  color: var(--paper-100);
}

.page-faq .faq-prep__card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.68;
  color: var(--muted-300);
}

.page-faq .faq-contact {
  padding: var(--faq-pad);
  border: 1px solid var(--line-600);
  background: var(--night-950);
}

.page-faq .faq-contact__row {
  display: grid;
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line-600);
}

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

.page-faq .faq-contact__k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--muted-300);
}

.page-faq .faq-contact__v {
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--paper-100);
  overflow-wrap: anywhere;
}

.page-faq .faq-contact__v a {
  color: var(--cyan-400);
  text-decoration: none;
}

.page-faq .faq-contact__v a:hover,
.page-faq .faq-contact__v a:focus-visible {
  text-decoration: underline;
}

.page-faq .faq-contact__note {
  margin: 16px 0 0;
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--muted-300);
}

.page-faq .faq-contact__note a {
  color: var(--cyan-400);
  text-decoration: none;
  border-bottom: 1px solid var(--line-600);
}

.page-faq .faq-contact__note a:hover {
  border-bottom-color: var(--cyan-400);
}

/* ---------- 收尾入口 ---------- */
.page-faq .faq-next {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(24px, 4vw, 38px);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-figures {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 639px) {
  .page-faq .faq-cmp,
  .page-faq .faq-cmp tbody,
  .page-faq .faq-cmp tr,
  .page-faq .faq-cmp th,
  .page-faq .faq-cmp td {
    display: block;
    width: auto;
  }

  .page-faq .faq-cmp tr {
    border-bottom: 1px solid var(--line-600);
  }

  .page-faq .faq-cmp tr:last-child {
    border-bottom: 0;
  }

  .page-faq .faq-cmp th {
    border-bottom: 0;
    padding-bottom: 6px;
  }

  .page-faq .faq-cmp td {
    padding-top: 0;
  }
}

@media (min-width: 880px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: 1.15fr 0.85fr;
  }

  .page-faq .faq-versions {
    grid-template-columns: 0.92fr 1.08fr;
  }

  .page-faq .faq-member {
    grid-template-columns: 1.1fr 0.9fr;
  }

  .page-faq .faq-prep {
    grid-template-columns: 1.05fr 0.95fr;
  }
}

@media (min-width: 1080px) {
  .page-faq .faq-cmp th {
    width: 28%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-quicklinks a,
  .page-faq .faq-list .pn-faq__q {
    transition: none;
  }
}