.page-faq {
  --faq-rail: 268px;
  --faq-line: rgba(96, 125, 143, 0.24);
  --faq-line-soft: rgba(96, 125, 143, 0.14);
  --faq-card: #162a36;
  --faq-card-hi: #1b3240;
  background: var(--ink-900);
  color: var(--paper);
  padding-bottom: clamp(48px, 8vw, 104px);
  overflow-x: hidden;
}

.page-faq .breadcrumbs {
  padding-top: clamp(18px, 3vw, 32px);
  font-size: 13px;
  color: var(--ink-500);
}

.page-faq .breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

.page-faq .breadcrumbs__list li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--ink-700);
}

.page-faq .breadcrumbs a {
  color: var(--ink-300);
  text-decoration: none;
}

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

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  padding: clamp(24px, 5vw, 56px) 0 clamp(30px, 5vw, 60px);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -18%;
  right: -22%;
  width: min(620px, 92%);
  height: 340px;
  background:
    linear-gradient(118deg, rgba(255, 106, 42, 0.24), rgba(36, 199, 190, 0.1) 62%, transparent 78%);
  clip-path: polygon(20% 0, 100% 0, 100% 72%, 0 100%);
  pointer-events: none;
  z-index: 0;
}

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

.page-faq .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-faq .faq-hero h1 {
  margin: 14px 0 18px;
  max-width: 15em;
  font-size: clamp(28px, 6.4vw, 56px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  font-weight: 900;
  color: var(--paper);
}

.page-faq .lede {
  margin: 0;
  max-width: 34em;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.75;
  color: var(--ink-300);
}

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

/* 状态面板 */
.page-faq .faq-hero__board {
  position: relative;
  z-index: 1;
  align-self: end;
  padding: 20px 20px 18px;
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, var(--faq-card-hi), var(--faq-card));
}

.page-faq .faq-board__cap {
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--ink-500);
}

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

.page-faq .faq-board__row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 10px;
  align-items: center;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--faq-line-soft);
}

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

.page-faq .faq-board__k {
  font-size: 14px;
  color: var(--paper);
}

.page-faq .faq-board__v {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ink-300);
}

.page-faq .dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  display: inline-block;
}

.page-faq .dot--ok {
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(36, 199, 190, 0.14);
}

.page-faq .dot--warn {
  background: var(--yellow);
  box-shadow: 0 0 0 4px rgba(245, 184, 65, 0.14);
}

.page-faq .dot--live {
  background: var(--orange);
  box-shadow: 0 0 0 4px rgba(255, 106, 42, 0.14);
}

.page-faq .faq-board__foot {
  margin: 16px 0 0;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--ink-500);
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: clamp(22px, 4vw, 44px);
  padding-top: clamp(10px, 2vw, 20px);
}

.page-faq .faq-rail {
  display: grid;
  gap: 16px;
  padding: 18px 18px 20px;
  border-radius: var(--radius-md);
  background: rgba(22, 42, 54, 0.66);
  border: 1px solid var(--faq-line-soft);
}

.page-faq .faq-rail__title {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--ink-500);
}

.page-faq .faq-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .faq-rail__list a {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 9px 10px;
  border-radius: var(--pill);
  font-size: 14px;
  color: var(--ink-300);
  text-decoration: none;
  transition: background 0.18s var(--ease), color 0.18s var(--ease);
}

.page-faq .faq-rail__list a .mono {
  font-size: 11px;
  color: var(--ink-700);
  transition: color 0.18s var(--ease);
}

.page-faq .faq-rail__list a:hover,
.page-faq .faq-rail__list a:focus-visible {
  background: rgba(36, 199, 190, 0.1);
  color: var(--paper);
}

.page-faq .faq-rail__list a:hover .mono,
.page-faq .faq-rail__list a:focus-visible .mono {
  color: var(--cyan);
}

.page-faq .faq-rail__note {
  padding-top: 14px;
  border-top: 1px solid var(--faq-line-soft);
}

.page-faq .faq-rail__note p {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-500);
}

/* ---------- 分区 ---------- */
.page-faq .faq-section {
  padding: clamp(26px, 4vw, 44px) 0;
  border-top: 1px solid var(--faq-line);
  scroll-margin-top: 96px;
}

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

.page-faq .faq-section h2 {
  margin: 0 0 14px;
  font-size: clamp(21px, 3.4vw, 32px);
  line-height: 1.2;
  letter-spacing: -0.015em;
  font-weight: 900;
  color: var(--paper);
}

.page-faq .faq-prose {
  margin: 0 0 8px;
  max-width: 46em;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--ink-300);
}

.page-faq .faq-prose--soft {
  margin-top: 18px;
  font-size: 14px;
  color: var(--ink-500);
}

.page-faq .faq-prose a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(36, 199, 190, 0.4);
}

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

/* ---------- 判断卡片 ---------- */
.page-faq .faq-judge {
  display: grid;
  gap: 12px;
  margin-top: 20px;
}

.page-faq .judge {
  padding: 16px 18px;
  border-radius: var(--radius-sm);
  background: var(--faq-card);
  border-left: 3px solid var(--ink-700);
}

.page-faq .judge--net { border-left-color: var(--cyan); }
.page-faq .judge--ver { border-left-color: var(--orange); }
.page-faq .judge--login { border-left-color: var(--yellow); }
.page-faq .judge--old { border-left-color: var(--ink-500); }

.page-faq .judge__label {
  margin: 0 0 8px;
  font-size: 10.5px;
  letter-spacing: 0.16em;
  color: var(--ink-500);
}

.page-faq .judge h3 {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--paper);
}

.page-faq .judge p {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-300);
}

.page-faq .judge__go {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
  text-decoration: none;
}

.page-faq .judge__go:hover,
.page-faq .judge__go:focus-visible {
  color: var(--paper);
}

/* ---------- 勾选步骤 ---------- */
.page-faq .steps {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .step {
  display: grid;
  grid-template-columns: auto auto 1fr;
  gap: 12px;
  align-items: start;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  background: var(--faq-card);
  border: 1px solid transparent;
  transition: border-color 0.18s var(--ease), background 0.18s var(--ease);
}

.page-faq .step:has(.step__box:checked) {
  border-color: rgba(36, 199, 190, 0.45);
  background: var(--faq-card-hi);
}

.page-faq .step__box {
  width: 18px;
  height: 18px;
  margin: 2px 0 0;
  accent-color: var(--cyan);
  cursor: pointer;
}

.page-faq .step__num {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--orange);
  padding-top: 2px;
}

.page-faq .step__body h3 {
  margin: 0 0 6px;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--paper);
}

.page-faq .step__body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--ink-300);
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-acc {
  margin-top: 10px;
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-sm);
  background: var(--faq-card);
  overflow: hidden;
}

.page-faq .faq-acc summary {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 14px 16px;
  font-size: 15px;
  font-weight: 600;
  color: var(--paper);
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-acc summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1;
  color: var(--cyan);
}

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

.page-faq .faq-acc .acc-i {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ink-500);
}

.page-faq .faq-acc__body {
  padding: 0 16px 16px 44px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-300);
}

.page-faq .faq-fallback {
  margin-top: 20px;
  padding: 16px 18px;
  border-radius: var(--radius-sm);
  background: rgba(36, 199, 190, 0.07);
  border: 1px dashed rgba(36, 199, 190, 0.35);
}

.page-faq .faq-fallback__title {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-faq .faq-fallback p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-300);
}

.page-faq .faq-fallback a {
  color: var(--paper);
  border-bottom: 1px solid rgba(36, 199, 190, 0.5);
  text-decoration: none;
}

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

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: 24px 0 0;
}

.page-faq .faq-figure .media-frame__inner {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--faq-line);
  background: var(--faq-card);
  line-height: 0;
}

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

.page-faq .faq-figure .media-frame__caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ink-500);
}

/* ---------- 兼容清单 ---------- */
.page-faq .compat {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--faq-line);
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.page-faq .compat li {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 12px 16px;
  background: var(--faq-card);
  font-size: 14px;
  color: var(--ink-300);
}

.page-faq .compat__v {
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--cyan);
  text-align: right;
}

/* ---------- 三步路径 ---------- */
.page-faq .path {
  display: grid;
  gap: 12px;
  margin-top: 20px;
}

.page-faq .path__item {
  position: relative;
  padding: 18px 18px 20px;
  border-radius: var(--radius-sm);
  background: var(--faq-card);
  border-top: 2px solid rgba(255, 106, 42, 0.55);
}

.page-faq .path__num {
  display: block;
  font-size: 30px;
  line-height: 1;
  color: var(--orange);
}

.page-faq .path__item h3 {
  margin: 10px 0 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
}

.page-faq .path__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-300);
}

/* ---------- 联系区 ---------- */
.page-faq .faq-contact {
  margin-top: clamp(28px, 5vw, 56px);
  padding-top: clamp(34px, 7vw, 88px);
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-contact h2 {
  max-width: 18em;
}

.page-faq .faq-contact__grid {
  display: grid;
  gap: 12px;
  margin-top: 26px;
}

.page-faq .contact-card {
  padding: 18px;
  border-radius: var(--radius-md);
  background: var(--faq-card);
  border: 1px solid var(--faq-line-soft);
}

.page-faq .contact-card__label {
  margin: 0 0 10px;
  font-size: 10.5px;
  letter-spacing: 0.18em;
  color: var(--ink-500);
}

.page-faq .contact-card__value {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.4;
  color: var(--paper);
  word-break: break-all;
}

.page-faq .contact-card__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--ink-500);
}

.page-faq .faq-contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-judge { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-faq .path { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .page-faq .faq-contact__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 1000px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.45fr) minmax(300px, 0.78fr);
    align-items: end;
  }

  .page-faq .faq-body {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: 108px;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-faq .step,
  .page-faq .faq-rail__list a,
  .page-faq .faq-rail__list a .mono {
    transition: none;
  }
}