.page-faq {
  --faq-line: 2px solid var(--ink-700);
  --faq-anchor-top: 104px;
}

.page-faq .crumbs {
  padding-block: 14px 0;
}

/* ---------- 首屏氛围带 ---------- */

.page-faq .faq-hero {
  position: relative;
  margin-top: 16px;
  padding: 28px 0 40px;
  border-top: var(--faq-line);
  border-bottom: var(--faq-line);
  background:
    linear-gradient(180deg, rgba(19, 35, 72, 0.55) 0%, rgba(4, 10, 22, 0.96) 78%),
    repeating-linear-gradient(90deg, rgba(43, 240, 220, 0.07) 0 1px, transparent 1px 76px);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 26px;
}

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

.page-faq .faq-hero h1 {
  margin: 12px 0 16px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(32px, 7vw, 58px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--paper-100);
  max-width: 18ch;
}

.page-faq .faq-hero__lead {
  max-width: 48ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--steel-400);
  border-left: 3px solid var(--cyan-650);
  padding-left: 16px;
}

.page-faq .faq-hero__facts {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  font-size: 13px;
  color: var(--steel-400);
}

.page-faq .faq-hero__facts .num {
  font-family: var(--font-mono);
  font-size: 17px;
  color: var(--amber-400);
  margin-right: 5px;
}

.page-faq .faq-hero__figure {
  margin: 0;
  align-self: end;
}

.page-faq .faq-hero__figure .figure__img {
  width: 100%;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  border: 2px solid var(--ink-700);
  box-shadow: var(--shadow-card);
  background: var(--ink-850);
}

.page-faq .figure__cap {
  margin-top: 8px;
  font-size: 13px;
  color: var(--steel-400);
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    align-items: end;
    gap: 44px;
  }
}

/* ---------- 主体两栏 ---------- */

.page-faq .faq-body {
  display: grid;
  gap: 28px;
  padding-block: 34px 64px;
}

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

@media (min-width: 1000px) {
  .page-faq .faq-body {
    grid-template-columns: 250px minmax(0, 1fr);
    gap: 52px;
    align-items: start;
  }
  .page-faq .faq-rail {
    position: sticky;
    top: var(--faq-anchor-top);
  }
}

/* ---------- 左侧目录 ---------- */

.page-faq .faq-rail__title {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan-400);
  margin: 0 0 12px;
}

.page-faq .toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
}

.page-faq .toc__link {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
  border-left: 3px solid var(--ink-700);
  background: var(--ink-850);
  color: var(--paper-100);
  font-size: 15px;
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-faq .toc__link .num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--steel-400);
}

.page-faq .toc__link:hover {
  border-left-color: var(--cyan-400);
  background: var(--ink-700);
}

.page-faq .toc__link[aria-current="true"] {
  border-left-color: var(--cyan-400);
  background: linear-gradient(90deg, rgba(43, 240, 220, 0.16), rgba(19, 35, 72, 0.4));
  color: var(--cyan-400);
}

.page-faq .toc__link[aria-current="true"] .num {
  color: var(--mint-400);
}

.page-faq .faq-rail__cta {
  display: block;
  margin-top: 18px;
  text-align: center;
}

/* ---------- 搜索过滤 ---------- */

.page-faq .faq-search {
  border: var(--faq-line);
  background: var(--ink-850);
  box-shadow: var(--shadow-card);
  padding: 16px 18px;
  margin-bottom: 32px;
}

.page-faq .faq-search__row {
  display: flex;
  flex-direction: column;
  gap: 8px;
  border-bottom: 2px solid var(--ink-700);
  padding-bottom: 10px;
  transition: border-color var(--dur) var(--ease);
}

.page-faq .faq-search__row:focus-within {
  border-bottom-color: var(--cyan-400);
}

.page-faq .faq-search__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--steel-400);
}

.page-faq .filter__input {
  width: 100%;
  min-width: 0;
  background: transparent;
  border: 0;
  padding: 4px 0;
  color: var(--paper-100);
  font-family: var(--font-body);
  font-size: 16px;
}

.page-faq .filter__input:focus {
  outline: none;
}

.page-faq .filter__input::placeholder {
  color: var(--steel-400);
  opacity: 0.8;
}

.page-faq .faq-search__meta {
  margin: 10px 0 0;
  font-size: 13px;
  color: var(--steel-400);
  font-family: var(--font-mono);
}

.page-faq .faq-search__meta .num {
  color: var(--amber-400);
  font-size: 15px;
}

.page-faq .filter__empty {
  border: 2px dashed var(--ink-700);
  padding: 22px 18px;
  margin: 0 0 28px;
  color: var(--steel-400);
  font-size: 15px;
  text-align: center;
}

/* ---------- 问答分组 ---------- */

.page-faq .faq-group {
  margin-bottom: 48px;
  scroll-margin-top: var(--faq-anchor-top);
}

.page-faq .faq-group__head {
  display: grid;
  gap: 6px;
  border-bottom: 2px solid var(--ink-700);
  padding-bottom: 14px;
  margin-bottom: 20px;
}

.page-faq .faq-group__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--blaze-500);
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(26px, 4.4vw, 36px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--paper-100);
}

.page-faq .faq-group__lead {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--steel-400);
}

/* ---------- 费用示意块 ---------- */

.page-faq .faq-fee-visual {
  display: grid;
  gap: 18px;
  border: var(--faq-line);
  background: linear-gradient(135deg, rgba(19, 35, 72, 0.85), rgba(10, 20, 40, 0.95));
  box-shadow: var(--shadow-card);
  padding: 18px;
  margin-bottom: 26px;
}

.page-faq .faq-fee-visual .figure {
  margin: 0;
}

.page-faq .faq-fee-visual .figure__img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  border: 2px solid var(--ink-700);
  background: var(--ink-950);
}

.page-faq .faq-fee-visual__copy {
  min-width: 0;
}

.page-faq .faq-fee-visual__title {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 21px;
  letter-spacing: -0.01em;
  color: var(--amber-400);
}

.page-faq .faq-fee-visual__copy p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--steel-400);
}

@media (min-width: 720px) {
  .page-faq .faq-fee-visual {
    grid-template-columns: 200px minmax(0, 1fr);
    align-items: center;
    gap: 26px;
  }
}

/* ---------- 手风琴 ---------- */

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

.page-faq .acc__item {
  border: 2px solid var(--ink-700);
  border-left: 4px solid var(--ink-700);
  background: var(--ink-850);
  box-shadow: var(--shadow-card);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-faq .acc__item:hover {
  border-color: var(--cyan-650);
  transform: translate(2px, 2px);
  box-shadow: var(--shadow-card-hover);
}

.page-faq .acc__item[data-open="true"] {
  border-left-color: var(--cyan-400);
}

.page-faq .acc__item[data-open="false"] .acc__panel {
  display: none;
}

.page-faq .acc__head {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
}

.page-faq .acc__btn {
  width: 100%;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  background: transparent;
  border: 0;
  color: var(--paper-100);
  text-align: left;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.55;
  cursor: pointer;
}

.page-faq .acc__btn:focus-visible {
  outline: 2px solid var(--cyan-400);
  outline-offset: -4px;
}

.page-faq .acc__index {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--steel-400);
  transition: color var(--dur) var(--ease);
}

.page-faq .acc__item[data-open="true"] .acc__index {
  color: var(--cyan-400);
}

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

.page-faq .acc__sign {
  position: relative;
  width: 16px;
  height: 16px;
  flex: none;
}

.page-faq .acc__sign::before,
.page-faq .acc__sign::after {
  content: "";
  position: absolute;
  background: var(--cyan-400);
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}

.page-faq .acc__sign::before {
  left: 0;
  top: 7px;
  width: 16px;
  height: 2px;
}

.page-faq .acc__sign::after {
  top: 0;
  left: 7px;
  width: 2px;
  height: 16px;
}

.page-faq .acc__item[data-open="true"] .acc__sign::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .acc__panel {
  margin: 0 18px 18px;
  padding-top: 14px;
  border-top: 1px dashed var(--ink-700);
  color: var(--steel-400);
  font-size: 15.5px;
  line-height: 1.85;
}

.page-faq .acc__panel p {
  margin: 0;
  max-width: 68ch;
}

/* ---------- 联系客服 ---------- */

.page-faq .faq-contact {
  border: 2px solid var(--cyan-650);
  background: linear-gradient(155deg, rgba(19, 35, 72, 0.92), rgba(4, 10, 22, 0.98));
  padding: clamp(20px, 4vw, 40px);
  scroll-margin-top: var(--faq-anchor-top);
}

.page-faq .faq-contact__head h2 {
  margin: 10px 0 12px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(26px, 4.2vw, 38px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--paper-100);
}

.page-faq .faq-contact__head p {
  margin: 0;
  max-width: 58ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--steel-400);
}

.page-faq .faq-contact .contact-grid {
  display: grid;
  gap: 14px;
  margin-top: 26px;
}

.page-faq .contact-card {
  display: grid;
  gap: 8px;
  align-content: start;
  border: 2px solid var(--ink-700);
  background: var(--ink-950);
  padding: 16px 18px;
  transition: border-color var(--dur) var(--ease);
}

.page-faq .contact-card:hover {
  border-color: var(--mint-400);
}

.page-faq .contact-card__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cyan-400);
}

.page-faq .contact-value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.6;
  color: var(--paper-100);
  word-break: break-word;
}

.page-faq .contact-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--steel-400);
}

.page-faq .copy-btn {
  justify-self: start;
  margin-top: 2px;
  padding: 6px 12px;
  background: transparent;
  border: 2px solid var(--cyan-650);
  color: var(--cyan-400);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-faq .copy-btn:hover {
  border-color: var(--cyan-400);
  background: rgba(43, 240, 220, 0.1);
}

.page-faq .copy-btn[data-copied] {
  background: var(--mint-400);
  border-color: var(--mint-400);
  color: var(--ink-950);
}

@media (min-width: 760px) {
  .page-faq .faq-contact .contact-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- 页尾延伸入口 ---------- */

.page-faq .next-hop {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 44px;
  padding-top: 24px;
  border-top: 2px solid var(--ink-700);
}

.page-faq .next-hop__link {
  flex: 1 1 220px;
  display: block;
  padding: 14px 16px;
  border: 2px solid var(--ink-700);
  background: var(--ink-850);
  color: var(--paper-100);
  font-size: 15px;
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-faq .next-hop__link:hover {
  border-color: var(--cyan-400);
  background: var(--ink-700);
  transform: translate(2px, 2px);
}

@media (max-width: 600px) {
  .page-faq .faq-hero h1 {
    max-width: none;
  }
  .page-faq .faq-hero__lead {
    padding-left: 12px;
  }
  .page-faq .acc__btn {
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: 10px;
    padding: 14px 14px;
    font-size: 15px;
  }
  .page-faq .acc__panel {
    margin: 0 14px 16px;
  }
}
<<<END>>>