.page-faq {
  --faq-rule: rgba(223, 211, 188, 0.9);
  --faq-rule-dark: rgba(243, 237, 224, 0.16);
  overflow-x: clip;
  background: var(--paper);
  color: var(--text-ink);
}

.page-faq *,
.page-faq *::before,
.page-faq *::after {
  box-sizing: border-box;
}

/* ===== 首屏：深海墨蓝 + 罗盘刻度 ===== */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(1.4rem, 3vw, 2.2rem) 0 clamp(3rem, 7vw, 5.6rem);
  background:
    radial-gradient(120% 90% at 86% 6%, rgba(87, 175, 174, 0.18) 0%, rgba(87, 175, 174, 0) 58%),
    linear-gradient(158deg, #0B2231 0%, #102C3D 58%, #123244 100%);
  color: var(--paper);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(243, 237, 224, 0.08) 1px, transparent 1px);
  background-size: 7px 7px;
  opacity: 0.55;
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -16%;
  bottom: -30%;
  width: min(72vw, 620px);
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  background: repeating-conic-gradient(from 8deg, rgba(192, 139, 62, 0.36) 0deg 0.7deg, transparent 0.7deg 9deg);
  -webkit-mask-image: radial-gradient(circle at center, transparent 0 54%, #000 55% 100%);
  mask-image: radial-gradient(circle at center, transparent 0 54%, #000 55% 100%);
  opacity: 0.55;
  pointer-events: none;
}

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

.page-faq .faq-hero__title {
  margin: clamp(1.1rem, 4vw, 1.8rem) 0 1rem;
  max-width: 18ch;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.2rem, 7vw, 4.4rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-hero__title em {
  position: relative;
  font-style: normal;
  color: var(--coral);
}

.page-faq .faq-hero__title em::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0.06em;
  height: 3px;
  background: linear-gradient(90deg, var(--coral), var(--brass));
  opacity: 0.85;
}

.page-faq .faq-hero__lede {
  max-width: 62ch;
  color: rgba(243, 237, 224, 0.86);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: clamp(1.4rem, 4vw, 2rem);
}

/* ===== 通用图形 ===== */
.page-faq .faq-figure {
  margin: 0;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 2px;
  box-shadow: 0 20px 42px -28px rgba(11, 34, 49, 0.75);
}

.page-faq .faq-figure figcaption {
  margin-top: 0.85rem;
  padding-left: 0.7rem;
  border-left: 2px solid var(--brass);
  font-size: 0.82rem;
  line-height: 1.65;
  letter-spacing: 0.04em;
  color: var(--graphite);
}

/* ===== 01 三步开始 ===== */
.page-faq .faq-start__grid {
  display: grid;
  gap: clamp(1.6rem, 4vw, 3rem);
  margin-top: clamp(1.6rem, 4vw, 2.6rem);
}

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

.page-faq .start-step {
  position: relative;
  margin-bottom: clamp(1.4rem, 4vw, 2rem);
  padding-left: clamp(2rem, 5vw, 2.6rem);
}

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

.page-faq .start-step::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 1.7rem;
  bottom: -1rem;
  width: 1px;
  background: linear-gradient(180deg, var(--paper-shade), rgba(223, 211, 188, 0));
}

.page-faq .start-step:last-child::before {
  display: none;
}

.page-faq .start-step__dot {
  position: absolute;
  left: 0;
  top: 0.45rem;
  width: 15px;
  height: 15px;
  border: 2px solid var(--ochre);
  border-radius: 50%;
  background: var(--paper);
}

.page-faq .start-step--current .start-step__dot {
  border-color: var(--coral);
  background: var(--coral);
  box-shadow: 0 0 0 5px rgba(228, 113, 75, 0.16);
}

.page-faq .start-step__title {
  margin: 0 0 0.55rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.05rem, 2.2vw, 1.3rem);
  line-height: 1.45;
  color: var(--text-ink);
}

.page-faq .start-step p {
  margin: 0;
  font-size: 0.96rem;
  line-height: 1.82;
  color: var(--graphite);
}

.page-faq .start-step p a {
  color: var(--tide-deep);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-faq .start-step p a:hover,
.page-faq .start-step p a:focus-visible {
  color: var(--ochre);
}

/* ===== 02 阅读顺序 ===== */
.page-faq .faq-readers {
  background: linear-gradient(180deg, #0B2231 0%, #102C3D 100%);
  color: var(--paper);
}

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

.page-faq .faq-readers .section-head__index {
  color: var(--coral);
}

.page-faq .faq-readers .section-head__note {
  color: rgba(243, 237, 224, 0.7);
}

.page-faq .reader-list {
  margin: clamp(1.4rem, 4vw, 2.4rem) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--faq-rule-dark);
}

.page-faq .reader-item {
  padding: clamp(1.1rem, 3vw, 1.5rem) clamp(0.6rem, 2vw, 1.2rem);
  border-bottom: 1px solid var(--faq-rule-dark);
  transition: background-color 0.25s ease, border-color 0.25s ease;
}

.page-faq .reader-item:hover,
.page-faq .reader-item:focus-within {
  background: rgba(87, 175, 174, 0.09);
  border-bottom-color: rgba(87, 175, 174, 0.42);
}

.page-faq .reader-item__role {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.05rem, 2.2vw, 1.24rem);
  color: var(--paper);
}

.page-faq .reader-item__path {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  margin: 0 0 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  color: var(--brass);
}

.page-faq .reader-item__path a {
  color: var(--tide);
  text-decoration: none;
  border-bottom: 1px solid rgba(87, 175, 174, 0.42);
  padding-bottom: 1px;
}

.page-faq .reader-item__path a:hover,
.page-faq .reader-item__path a:focus-visible {
  color: var(--coral);
  border-bottom-color: var(--coral);
}

.page-faq .reader-item__path span {
  color: rgba(243, 237, 224, 0.38);
}

.page-faq .reader-item__why {
  margin: 0;
  max-width: 72ch;
  font-size: 0.93rem;
  line-height: 1.78;
  color: rgba(243, 237, 224, 0.76);
}

/* ===== 03 文档分类 ===== */
.page-faq .faq-docs__grid {
  display: grid;
  gap: clamp(1.6rem, 4vw, 3rem);
  margin-top: clamp(1.6rem, 4vw, 2.6rem);
}

.page-faq .doc-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.9rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .doc-card {
  position: relative;
  padding: clamp(1rem, 2.6vw, 1.35rem);
  border: 1px solid var(--faq-rule);
  border-left: 3px solid var(--ochre);
  border-radius: 2px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.62), rgba(255, 255, 255, 0.16)), var(--paper);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-left-color 0.25s ease;
}

.page-faq .doc-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 32px -24px rgba(11, 34, 49, 0.85);
  border-left-color: var(--coral);
}

.page-faq .doc-card__num {
  display: block;
  margin-bottom: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.73rem;
  letter-spacing: 0.14em;
  color: var(--brass);
}

.page-faq .doc-card__name {
  margin: 0 0 0.45rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.12rem;
  color: var(--text-ink);
}

.page-faq .doc-card__desc {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.74;
  color: var(--graphite);
}

.page-faq .doc-card__count {
  display: inline-block;
  margin-top: 0.75rem;
  padding: 0.18rem 0.6rem;
  border-radius: 999px;
  background: rgba(87, 175, 174, 0.14);
  font-family: var(--font-mono);
  font-size: 0.73rem;
  letter-spacing: 0.06em;
  color: var(--tide-deep);
}

.page-faq .faq-figure--docs {
  align-self: start;
}

/* ===== 04 高频问答 ===== */
.page-faq .faq-qa {
  background:
    linear-gradient(180deg, rgba(223, 211, 188, 0.3) 0%, rgba(223, 211, 188, 0) 42%),
    var(--paper);
}

.page-faq .faq-list {
  margin-top: clamp(1.6rem, 4vw, 2.4rem);
  border-top: 1px dashed var(--paper-shade);
}

.page-faq .faq-item {
  padding: 0 clamp(0.2rem, 1.5vw, 0.9rem);
  border-bottom: 1px dashed var(--paper-shade);
}

.page-faq .faq-item summary {
  display: flex;
  align-items: baseline;
  gap: 0.85rem;
  padding: clamp(1rem, 2.6vw, 1.35rem) 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1rem, 2.2vw, 1.2rem);
  line-height: 1.55;
  color: var(--text-ink);
  transition: color 0.2s ease;
}

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

.page-faq .faq-item summary::marker {
  content: "";
}

.page-faq .faq-item summary::after {
  content: "+";
  flex: none;
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1.35rem;
  line-height: 1;
  color: var(--ochre);
  transition: color 0.2s ease, transform 0.25s ease;
}

.page-faq .faq-item[open] summary::after {
  content: "–";
  color: var(--coral);
}

.page-faq .faq-item summary:hover {
  color: var(--tide-deep);
}

.page-faq .faq-item summary:focus-visible {
  outline: 2px solid var(--tide);
  outline-offset: 4px;
  border-radius: 2px;
}

.page-faq .faq-item__num {
  flex: none;
  padding-top: 0.28rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--brass);
}

.page-faq .faq-item__body {
  margin-left: 0.1rem;
  padding: 0 0 clamp(1rem, 2.6vw, 1.4rem) clamp(1.4rem, 4vw, 2.2rem);
  border-left: 2px solid rgba(192, 139, 62, 0.35);
}

.page-faq .faq-item__body p {
  margin: 0;
  max-width: 74ch;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--graphite);
}

.page-faq .faq-item__body a {
  color: var(--tide-deep);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

/* ===== 05 人工入口 ===== */
.page-faq .faq-reach {
  background:
    radial-gradient(90% 70% at 10% 0%, rgba(166, 67, 42, 0.24) 0%, rgba(166, 67, 42, 0) 62%),
    linear-gradient(200deg, #102C3D 0%, #0B2231 100%);
  color: var(--paper);
}

.page-faq .faq-reach__grid {
  display: grid;
  gap: clamp(1.8rem, 5vw, 3rem);
}

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

.page-faq .faq-reach .section-head__index {
  color: var(--coral);
}

.page-faq .faq-reach__lede {
  max-width: 46ch;
  margin-bottom: clamp(1.2rem, 3vw, 1.8rem);
  color: rgba(243, 237, 224, 0.82);
}

.page-faq .faq-reach__card {
  padding: clamp(1.2rem, 3.5vw, 1.8rem);
  border: 1px solid var(--glass-line);
  border-radius: 3px;
  background: rgba(243, 237, 224, 0.06);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.page-faq .faq-contact {
  display: grid;
  gap: 0.9rem;
  margin: 0;
}

.page-faq .faq-contact__row {
  display: grid;
  gap: 0.25rem;
  padding-bottom: 0.9rem;
  border-bottom: 1px solid rgba(243, 237, 224, 0.14);
}

.page-faq .faq-contact__row:last-of-type {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-faq .faq-contact dt {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--brass);
}

.page-faq .faq-contact dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.94rem;
  letter-spacing: 0.03em;
  color: var(--paper);
  word-break: break-word;
}

.page-faq .faq-contact dd a {
  color: var(--tide);
  text-decoration: none;
  border-bottom: 1px solid rgba(87, 175, 174, 0.42);
}

.page-faq .faq-contact dd a:hover,
.page-faq .faq-contact dd a:focus-visible {
  color: var(--coral);
  border-bottom-color: var(--coral);
}

.page-faq .faq-contact__note {
  margin: 1.1rem 0 0;
  padding-top: 0.9rem;
  border-top: 1px dashed rgba(243, 237, 224, 0.2);
  font-size: 0.82rem;
  line-height: 1.75;
  color: rgba(243, 237, 224, 0.66);
}

/* ===== 响应式 ===== */
@media (min-width: 560px) {
  .page-faq .doc-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 880px) {
  .page-faq .faq-start__grid {
    grid-template-columns: 0.82fr 1.18fr;
    align-items: start;
  }

  .page-faq .faq-docs__grid {
    grid-template-columns: 1.5fr 0.85fr;
    align-items: start;
  }

  .page-faq .faq-reach__grid {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: start;
  }
}

@media (max-width: 559px) {
  .page-faq .faq-hero::after {
    right: -34%;
    bottom: -22%;
    width: 92vw;
    opacity: 0.4;
  }

  .page-faq .reader-item__path {
    font-size: 0.76rem;
  }

  .page-faq .faq-item__body {
    padding-left: 1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .doc-card,
  .page-faq .reader-item,
  .page-faq .faq-item summary,
  .page-faq .faq-item summary::after {
    transition: none;
  }

  .page-faq .doc-card:hover {
    transform: none;
  }
}