/* ===== 帮助中心 · page-faq ===== */
.page-faq {
  --faq-panel-bg: var(--ink-2);
  --faq-stroke: var(--line);
  --faq-gap: clamp(20px, 3.2vw, 44px);
  padding-top: calc(var(--header-h) + 22px);
  padding-bottom: clamp(56px, 8vw, 104px);
  color: var(--paper);
  overflow-x: clip;
}

/* --- 首屏 --- */
.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  padding-bottom: clamp(30px, 5vw, 60px);
}
.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  left: -8%;
  right: -8%;
  top: -14%;
  height: 80%;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  background:
    linear-gradient(104deg, rgba(255, 90, 31, 0.20) 0%, rgba(216, 30, 40, 0.10) 44%, rgba(11, 11, 13, 0) 74%),
    linear-gradient(0deg, rgba(11, 11, 13, 0) 40%, rgba(47, 212, 224, 0.06) 100%);
  transform: skewY(-5deg);
  pointer-events: none;
}
.page-faq .faq-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 48px);
  align-items: center;
}
@media (min-width: 960px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
}
.page-faq .faq-hero__index {
  margin: 0 0 16px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--orange);
}
.page-faq .faq-hero__title {
  margin: 0 0 20px;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(32px, 6.1vw, 62px);
  line-height: 1.08;
  letter-spacing: -0.03em;
  text-wrap: balance;
}
.page-faq .faq-hero__hl {
  color: var(--orange);
}
.page-faq .faq-hero__lead {
  margin: 0;
  max-width: 56ch;
  color: var(--muted);
  line-height: 1.85;
}
.page-faq .faq-hero__quick {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}
.page-faq .faq-hero__media {
  margin: 0;
  width: 100%;
}

/* --- 问题目录 --- */
.page-faq .faq-directory {
  padding-block: clamp(36px, 6vw, 76px);
}
.page-faq .faq-cats {
  list-style: none;
  margin: clamp(20px, 3vw, 34px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}
@media (min-width: 640px) {
  .page-faq .faq-cats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (min-width: 1100px) {
  .page-faq .faq-cats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
.page-faq .faq-cat {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 0 12px;
  padding: 20px 22px 22px;
  border: 1px solid var(--faq-stroke);
  border-radius: var(--radius-lg);
  background: var(--faq-panel-bg);
  transition: border-color 0.32s var(--ease), transform 0.32s var(--ease);
}
.page-faq .faq-cat::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 34px;
  bottom: 34px;
  width: 3px;
  border-radius: var(--radius-pill);
  background: linear-gradient(180deg, var(--orange), var(--red));
  opacity: 0;
  transition: opacity 0.32s var(--ease);
}
.page-faq .faq-cat:hover,
.page-faq .faq-cat:focus-within {
  border-color: rgba(255, 90, 31, 0.55);
  transform: translateY(-3px);
}
.page-faq .faq-cat:hover::before,
.page-faq .faq-cat:focus-within::before {
  opacity: 1;
}
.page-faq .faq-cat__num {
  font-size: 13px;
  color: var(--orange);
  letter-spacing: 0.08em;
}
.page-faq .faq-cat__label {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
}
.page-faq .faq-cat__link {
  color: var(--paper);
  text-decoration: none;
}
.page-faq .faq-cat__link::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
}
.page-faq .faq-cat__count {
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.06em;
  white-space: nowrap;
}
.page-faq .faq-cat__desc {
  grid-column: 1 / -1;
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.7;
}

/* --- 主体：目录 + 折叠答案 --- */
.page-faq .faq-body {
  padding-top: clamp(16px, 2.6vw, 32px);
}
.page-faq .faq-body__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.4vw, 48px);
}
@media (min-width: 1024px) {
  .page-faq .faq-body__inner {
    grid-template-columns: minmax(220px, 258px) minmax(0, 1fr);
    align-items: start;
  }
}
.page-faq .faq-toc {
  padding: 16px;
  border: 1px solid var(--faq-stroke);
  border-radius: var(--radius-lg);
  background: var(--faq-panel-bg);
}
@media (min-width: 1024px) {
  .page-faq .faq-toc {
    position: sticky;
    top: calc(var(--header-h) + 22px);
    max-height: calc(100vh - var(--header-h) - 44px);
    overflow-y: auto;
  }
}
.page-faq .toc__title {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--muted);
}
.page-faq .toc__list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 6px;
}
@media (max-width: 1023px) {
  .page-faq .toc__list {
    grid-auto-flow: column;
    grid-auto-columns: max-content;
    overflow-x: auto;
    gap: 8px;
    padding-bottom: 6px;
    -webkit-overflow-scrolling: touch;
  }
}
.page-faq .toc__link {
  display: block;
  padding: 9px 15px;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.28s var(--ease), background-color 0.28s var(--ease), border-color 0.28s var(--ease);
}
.page-faq .toc__link:hover {
  color: var(--paper);
  border-color: var(--faq-stroke);
}
.page-faq .toc__link.is-active {
  color: var(--ink);
  background: var(--orange);
  border-color: var(--orange);
}

/* --- 分组 --- */
.page-faq .faq-group {
  scroll-margin-top: calc(var(--header-h) + 30px);
  margin-bottom: clamp(44px, 6vw, 82px);
}
.page-faq .faq-group:last-child {
  margin-bottom: 0;
}
.page-faq .faq-group__head {
  position: relative;
  display: grid;
  gap: 10px;
  padding-bottom: 16px;
  margin-bottom: 22px;
  border-bottom: 1px solid var(--faq-stroke);
}
.page-faq .faq-group__head::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 68px;
  height: 2px;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, var(--orange), var(--red));
}
.page-faq .faq-group__num {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--orange);
}
.page-faq .faq-group__title {
  margin: 0;
  font-size: clamp(22px, 3.1vw, 32px);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.02em;
}
.page-faq .faq-group__lead {
  margin: 0;
  max-width: 62ch;
  color: var(--muted);
  line-height: 1.85;
}

/* --- 步骤 --- */
.page-faq .faq-steps {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-faq .faq-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 14px;
  padding: 15px 18px;
  border: 1px solid var(--faq-stroke);
  border-radius: var(--radius-md);
  background: var(--faq-panel-bg);
}
.page-faq .faq-step__num {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-pill);
  background: linear-gradient(135deg, var(--orange), var(--red));
  color: var(--ink);
  font-size: 12px;
  font-weight: 700;
}
.page-faq .faq-step p {
  margin: 0;
  line-height: 1.75;
}

/* --- 前置检查 --- */
.page-faq .faq-check {
  padding: 20px 22px;
  margin-bottom: 22px;
  border: 1px dashed var(--faq-stroke);
  border-radius: var(--radius-lg);
  background: rgba(47, 212, 224, 0.04);
}
.page-faq .faq-check__title {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}
.page-faq .faq-check__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}
.page-faq .faq-check__list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  color: var(--muted);
  line-height: 1.7;
}
.page-faq .faq-check__list li::before {
  content: "✓";
  color: var(--green);
  font-family: var(--font-mono);
  font-size: 13px;
}

/* --- 折叠答案 --- */
.page-faq .faq-acc {
  margin-bottom: 26px;
}
.page-faq .faq-acc .accordion__item {
  border: 1px solid var(--faq-stroke);
  border-radius: var(--radius-lg);
  background: var(--faq-panel-bg);
  margin-bottom: 10px;
  overflow: hidden;
  transition: border-color 0.28s var(--ease);
}
.page-faq .faq-acc .accordion__item:hover {
  border-color: rgba(255, 90, 31, 0.4);
}
.page-faq .faq-acc .accordion__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 17px 20px;
  background: none;
  border: 0;
  color: var(--paper);
  font: inherit;
  font-weight: 600;
  line-height: 1.6;
  text-align: left;
  cursor: pointer;
}
.page-faq .faq-acc__q {
  flex: 1 1 auto;
  min-width: 0;
}
.page-faq .faq-acc__icon {
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  border: 1px solid var(--faq-stroke);
  border-radius: var(--radius-pill);
  position: relative;
  transition: transform 0.3s var(--ease), background-color 0.3s var(--ease), border-color 0.3s var(--ease);
}
.page-faq .faq-acc__icon::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 6px;
  width: 5px;
  height: 5px;
  border-right: 1.6px solid var(--muted);
  border-bottom: 1.6px solid var(--muted);
  transform: rotate(45deg) translate(-1px, -1px);
  transition: border-color 0.3s var(--ease);
}
.page-faq .faq-acc .accordion__trigger[aria-expanded="true"] .faq-acc__icon {
  background: var(--orange);
  border-color: var(--orange);
  transform: rotate(90deg);
}
.page-faq .faq-acc .accordion__trigger[aria-expanded="true"] .faq-acc__icon::before {
  border-color: var(--ink);
}
.page-faq .faq-acc .accordion__panel {
  display: none;
  padding: 0 20px 20px;
}
.page-faq .faq-acc .accordion__panel[data-open] {
  display: block;
}
.page-faq .faq-acc .accordion__panel p {
  margin: 0;
  max-width: 70ch;
  color: var(--muted);
  line-height: 1.85;
}
.page-faq .faq-acc .accordion__panel p + p {
  margin-top: 10px;
}

/* --- 加载建议 --- */
.page-faq .faq-tips {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}
@media (min-width: 860px) {
  .page-faq .faq-tips {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
.page-faq .faq-tip {
  padding: 22px 22px 24px;
  border: 1px solid var(--faq-stroke);
  border-radius: var(--radius-lg);
  background: var(--faq-panel-bg);
}
.page-faq .faq-tip:nth-child(1) {
  border-top: 2px solid var(--orange);
}
.page-faq .faq-tip:nth-child(2) {
  border-top: 2px solid var(--cyan);
}
.page-faq .faq-tip:nth-child(3) {
  border-top: 2px solid var(--green);
}
.page-faq .faq-tip__k {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--muted);
}
.page-faq .faq-tip__t {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
}
.page-faq .faq-tip p:last-child {
  margin: 0;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.8;
}

/* --- 表格 --- */
.page-faq .table-wrap {
  border: 1px solid var(--faq-stroke);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.page-faq .faq-table {
  margin-bottom: 26px;
}
.page-faq .faq-table__caption {
  padding: 14px 18px 6px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--muted);
}
.page-faq .data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14.5px;
}
.page-faq .data-table th,
.page-faq .data-table td {
  padding: 13px 18px;
  text-align: left;
  border-bottom: 1px solid var(--faq-stroke);
  vertical-align: top;
}
.page-faq .data-table thead th {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
  font-weight: 500;
  background: rgba(255, 255, 255, 0.02);
}
.page-faq .data-table tbody tr:last-child td {
  border-bottom: 0;
}
.page-faq .data-table tbody tr:nth-child(even) {
  background: rgba(244, 241, 236, 0.02);
}
.page-faq .data-table .num {
  font-family: var(--font-mono);
  color: var(--orange);
  white-space: nowrap;
}

/* --- 图片 --- */
.page-faq .faq-sync-img {
  margin: 0 0 26px;
}
@media (min-width: 1024px) {
  .page-faq .faq-sync-img {
    max-width: 78%;
  }
}

/* --- 出口卡片 --- */
.page-faq .faq-contact {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 4vw, 44px);
  border: 1px solid rgba(255, 90, 31, 0.35);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(118deg, rgba(255, 90, 31, 0.18) 0%, rgba(216, 30, 40, 0.07) 48%, rgba(11, 11, 13, 0) 78%),
    var(--faq-panel-bg);
}
.page-faq .faq-contact__title {
  margin: 0 0 4px;
  font-size: clamp(19px, 2.4vw, 24px);
  font-weight: 800;
  line-height: 1.4;
}
.page-faq .faq-need {
  list-style: none;
  margin: 18px 0 26px;
  padding: 0;
  display: grid;
  gap: 9px;
}
.page-faq .faq-need li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  color: var(--muted);
  line-height: 1.7;
}
.page-faq .faq-need li::before {
  content: "—";
  font-family: var(--font-mono);
  color: var(--orange);
}
.page-faq .faq-contact__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 16px;
}
.page-faq .faq-contact__mail {
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--paper);
  word-break: break-all;
}

/* --- 动效降级 --- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-cat,
  .page-faq .faq-acc__icon,
  .page-faq .faq-acc .accordion__item,
  .page-faq .toc__link {
    transition: none;
  }
  .page-faq .faq-cat:hover,
  .page-faq .faq-cat:focus-within {
    transform: none;
  }
}
<<<END>>>