.page-faq {
  --faq-notch: 18px;
  --faq-line: #1B3A57;
  --faq-panel: #10243A;
  color: var(--body-text);
  padding-bottom: clamp(48px, 8vw, 104px);
}

.page-faq .breadcrumb {
  padding-top: clamp(16px, 3vw, 28px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-top: clamp(14px, 2.4vw, 26px);
}

.page-faq .faq-hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 48px);
  padding-bottom: clamp(28px, 4.5vw, 52px);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero__inner::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 96px;
  height: 3px;
  background: var(--amber);
}

.page-faq .faq-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  letter-spacing: -0.02em;
  font-size: clamp(29px, 6.2vw, 56px);
  line-height: 1.1;
  color: var(--cream);
}

.page-faq .faq-hero .lead {
  margin: 18px 0 0;
  max-width: 48ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--body-text);
}

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

/* ---------- 数字条 ---------- */
.page-faq .faq-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .faq-stats__item {
  background: var(--faq-panel);
  padding: 16px 12px 18px;
  min-width: 0;
}

.page-faq .faq-stats__num {
  display: block;
  font-family: var(--font-num);
  font-size: clamp(19px, 3.2vw, 27px);
  line-height: 1.1;
  color: var(--amber-lt);
}

.page-faq .faq-stats__label {
  display: block;
  margin-top: 8px;
  font-size: 11.5px;
  line-height: 1.45;
  letter-spacing: 0.02em;
  color: var(--smoke);
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 44px);
  padding-top: clamp(30px, 5vw, 60px);
}

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

/* ---------- 章节索引 ---------- */
.page-faq .faq-index {
  border-left: 2px solid var(--line);
  padding-left: 18px;
}

.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--celadon);
}

.page-faq .toc {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
}

.page-faq .toc__link {
  display: inline-block;
  padding: 3px 0;
  font-size: 14px;
  line-height: 1.5;
  color: var(--smoke);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.22s var(--ease), border-color 0.22s var(--ease);
}

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

.page-faq .toc__link[aria-current] {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

/* ---------- 章节 ---------- */
.page-faq .faq-section {
  padding-top: clamp(30px, 4.6vw, 54px);
  scroll-margin-top: 96px;
}

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

.page-faq .faq-section__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 16px;
  margin-bottom: 14px;
}

.page-faq .faq-section h2 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  letter-spacing: -0.012em;
  font-size: clamp(21px, 3.2vw, 31px);
  line-height: 1.25;
  color: var(--cream);
}

.page-faq .faq-section__count {
  font-family: var(--font-num);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--smoke);
  border: 1px solid var(--line);
  padding: 3px 8px;
  white-space: nowrap;
}

.page-faq .faq-section__intro {
  margin: 0 0 22px;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--smoke);
}

/* ---------- 折叠问答 ---------- */
.page-faq .qa-list {
  border-bottom: 1px solid var(--line);
}

.page-faq .qa {
  border-top: 1px solid var(--line);
  background: rgba(16, 36, 58, 0.32);
  transition: background 0.25s var(--ease);
}

.page-faq .qa[open] {
  background: rgba(16, 36, 58, 0.8);
}

.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 17px 16px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.55;
  color: var(--cream);
}

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

.page-faq .qa__q::marker {
  content: "";
}

.page-faq .qa__q::after {
  content: "+";
  flex: none;
  margin-left: auto;
  font-family: var(--font-num);
  font-size: 18px;
  line-height: 1.3;
  color: var(--amber);
}

.page-faq .qa[open] .qa__q::after {
  content: "\2013";
}

.page-faq .qa__q:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: -2px;
}

.page-faq .qa__body {
  padding: 0 20px 20px 16px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--body-text);
}

.page-faq .qa__body p {
  margin: 0 0 10px;
}

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

.page-faq .qa__body a {
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid rgba(232, 163, 61, 0.4);
}

.page-faq .qa__body a:hover {
  border-bottom-color: var(--amber);
}

/* ---------- 查询方式 ---------- */
.page-faq .method-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-bottom: 24px;
}

.page-faq .method {
  position: relative;
  padding: 20px 18px 22px;
  background: var(--faq-panel);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - var(--faq-notch)) 0, 100% var(--faq-notch), 100% 100%, 0 100%);
}

.page-faq .method__no {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--celadon);
}

.page-faq .method__name {
  margin: 8px 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 17px;
  color: var(--cream);
}

.page-faq .method__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--smoke);
}

/* ---------- 状态说明 ---------- */
.page-faq .status-panel {
  border: 1px solid var(--line);
  border-left: 3px solid var(--amber);
  background: linear-gradient(120deg, rgba(16, 36, 58, 0.9), rgba(11, 27, 43, 0.35));
  padding: 20px clamp(16px, 3vw, 26px) 22px;
}

.page-faq .status-panel__title {
  margin: 0 0 16px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 16px;
  color: var(--cream);
}

.page-faq .status-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .status-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  font-size: 14.5px;
  line-height: 1.75;
}

.page-faq .tag {
  display: inline-block;
  align-self: start;
  padding: 2px 9px;
  font-size: 12px;
  line-height: 1.6;
  white-space: nowrap;
  border: 1px solid rgba(232, 163, 61, 0.55);
  color: var(--amber-lt);
  background: rgba(232, 163, 61, 0.1);
}

.page-faq .tag--green {
  border-color: rgba(76, 154, 142, 0.6);
  color: #8FD2C6;
  background: rgba(76, 154, 142, 0.14);
}

.page-faq .tag--red {
  border-color: rgba(199, 69, 42, 0.65);
  color: #EE9B85;
  background: rgba(199, 69, 42, 0.16);
}

.page-faq .tag--ghost {
  border-color: var(--line);
  color: var(--smoke);
  background: transparent;
}

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

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

/* ---------- 文档索引 ---------- */
.page-faq .doc-index {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-faq .doc-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 18px;
  background: rgba(16, 36, 58, 0.62);
  border: 1px solid var(--line);
  border-top: 3px solid var(--celadon);
}

.page-faq .doc-card__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}

.page-faq .doc-card__name {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 16px;
  color: var(--cream);
}

.page-faq .doc-card__count {
  font-family: var(--font-num);
  font-size: 12px;
  color: var(--amber);
  white-space: nowrap;
}

.page-faq .doc-card__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--smoke);
}

.page-faq .doc-card__list li::before {
  content: "·";
  margin-right: 8px;
  color: var(--celadon);
}

.page-faq .doc-note {
  margin: 20px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--line);
  font-size: 14px;
  line-height: 1.8;
  color: var(--smoke);
}

/* ---------- 联系客服 ---------- */
.page-faq .support-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.4vw, 34px);
}

.page-faq .support-grid__main {
  min-width: 0;
}

.page-faq .support-grid .faq-figure {
  margin-bottom: 0;
}

.page-faq .contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .contact-list li {
  background: var(--faq-panel);
  padding: 14px 16px;
  display: grid;
  gap: 5px;
}

.page-faq .contact-list__label {
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--celadon);
}

.page-faq .contact-list__value {
  font-size: 15px;
  line-height: 1.6;
  color: var(--cream);
  word-break: break-word;
}

.page-faq .support-note {
  margin: 18px 0 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--body-text);
}

.page-faq .support-grid .faq-hero__actions {
  margin-top: 22px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .qa__q {
    padding: 19px 22px;
  }

  .page-faq .qa__body {
    padding: 0 26px 22px 22px;
  }
}

@media (min-width: 700px) {
  .page-faq .doc-index {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 720px) {
  .page-faq .method-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-faq .support-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    align-items: end;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-body {
    grid-template-columns: 228px minmax(0, 1fr);
    gap: clamp(36px, 5vw, 70px);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 96px;
    max-height: calc(100vh - 130px);
    overflow: auto;
  }

  .page-faq .toc {
    display: block;
  }

  .page-faq .toc li + li {
    margin-top: 10px;
  }
}

@media (min-width: 1220px) {
  .page-faq .doc-index {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa,
  .page-faq .toc__link {
    transition: none;
  }
}