.page-faq {
  --faq-grad: linear-gradient(135deg, var(--yk-purple), var(--yk-magenta));
  --faq-grad-orange: linear-gradient(135deg, var(--yk-orange), var(--yk-magenta));
  --faq-card-frame: rgba(10, 27, 61, .06);
}

.page-faq .yunkai-container {
  padding-top: 20px;
  padding-bottom: 72px;
}

/* 面包屑 */
.page-faq .yunkai-breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-family: var(--yk-font-sans);
  font-size: 13px;
  color: var(--yk-gray);
  margin-bottom: 24px;
}

.page-faq .yunkai-breadcrumb a {
  color: var(--yk-mid);
  text-decoration: none;
  transition: color .2s;
}

.page-faq .yunkai-breadcrumb a:hover {
  color: var(--yk-orange);
}

.page-faq .yunkai-breadcrumb__sep {
  color: rgba(10, 27, 61, .28);
}

/* Hero */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(140deg, rgba(138, 43, 226, .28), rgba(255, 20, 147, .10) 65%),
    var(--yk-dark);
  color: var(--yk-white);
  padding: 36px 20px 40px;
  border-left: 4px solid var(--yk-orange);
  margin-bottom: 48px;
  box-shadow: var(--yk-shadow-md);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  left: -10%;
  bottom: -90px;
  width: 120%;
  height: 160px;
  background: var(--faq-grad);
  opacity: .18;
  transform: rotate(-6deg);
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -40px;
  top: -40px;
  width: 160px;
  height: 160px;
  background: var(--faq-grad-orange);
  opacity: .14;
  transform: rotate(12deg);
  clip-path: polygon(20% 0, 100% 20%, 80% 100%, 0 80%);
  pointer-events: none;
}

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

.page-faq .faq-hero h1 {
  font-family: var(--yk-font-sans);
  font-weight: 900;
  font-size: 30px;
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin: 14px 0 16px;
}

.page-faq .faq-h1-sub {
  display: block;
  margin-top: 10px;
  font-size: 15px;
  font-weight: 600;
  color: var(--yk-orange);
  letter-spacing: .06em;
}

.page-faq .faq-hero__lead {
  font-family: var(--yk-font-serif);
  font-size: 16px;
  line-height: 1.75;
  color: rgba(255, 255, 255, .92);
  margin: 0 0 10px;
}

.page-faq .faq-hero__desc {
  font-size: 13px;
  line-height: 1.7;
  color: rgba(255, 255, 255, .68);
  margin: 0 0 24px;
  max-width: 46em;
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.page-faq .faq-hero .yunkai-btn--ghost {
  border-color: rgba(255, 255, 255, .4);
  color: var(--yk-white);
}

/* Hero 数据面板 */
.page-faq .faq-hero__side {
  position: relative;
  z-index: 1;
  margin-top: 28px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.page-faq .faq-hero__stat {
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .14);
  padding: 14px 16px;
}

.page-faq .faq-hero__stat--main {
  grid-column: 1 / -1;
}

.page-faq .faq-stat-label {
  display: block;
  font-size: 12px;
  font-family: var(--yk-font-sans);
  font-weight: 500;
  letter-spacing: .08em;
  color: rgba(255, 255, 255, .6);
}

.page-faq .faq-stat-num {
  display: block;
  font-family: var(--yk-font-sans);
  font-weight: 900;
  font-size: 30px;
  line-height: 1.2;
  color: var(--yk-orange);
  margin: 6px 0 2px;
}

.page-faq .faq-stat-num__small {
  font-size: 14px;
  font-weight: 600;
  color: rgba(255, 255, 255, .65);
  margin-left: 2px;
}

.page-faq .faq-status-row {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(20, 184, 166, .12);
  border-left: 3px solid var(--yk-green);
  padding: 10px 14px;
  font-size: 13px;
  color: rgba(255, 255, 255, .82);
}

.page-faq .faq-hero__version {
  grid-column: 1 / -1;
  font-size: 13px;
  color: rgba(255, 255, 255, .65);
  padding: 0 2px;
  line-height: 1.6;
}

/* 区块标题 */
.page-faq .faq-section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin-bottom: 20px;
}

.page-faq .faq-section-head h2 {
  font-family: var(--yk-font-sans);
  font-weight: 900;
  font-size: 24px;
  margin: 0;
  color: var(--yk-dark);
  letter-spacing: -0.01em;
}

.page-faq .faq-section-head p {
  width: 100%;
  margin: -4px 0 0;
  font-size: 13px;
  color: var(--yk-gray);
  line-height: 1.6;
}

/* 问题分类卡片 */
.page-faq .faq-categories {
  margin-bottom: 56px;
}

.page-faq .faq-categories__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.page-faq .faq-cat-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: var(--yk-white);
  color: var(--yk-ink);
  text-decoration: none;
  padding: 18px 16px 14px;
  border: 1px solid var(--faq-card-frame);
  border-top: 3px solid transparent;
  box-shadow: var(--yk-shadow-sm);
  overflow: hidden;
  transition: transform .2s ease, box-shadow .2s ease;
}

.page-faq .faq-cat-card:hover,
.page-faq .faq-cat-card:focus-visible {
  transform: translateY(-3px);
  box-shadow: var(--yk-shadow-md);
  outline: none;
}

.page-faq .faq-cat-card__num {
  font-family: var(--yk-font-sans);
  font-weight: 900;
  font-size: 30px;
  line-height: 1;
  opacity: .14;
  display: block;
}

.page-faq .faq-cat-card__tag {
  font-family: var(--yk-font-sans);
  font-weight: 700;
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--yk-gray);
  text-transform: uppercase;
}

.page-faq .faq-cat-card h3 {
  font-family: var(--yk-font-sans);
  font-weight: 800;
  font-size: 16px;
  margin: 0;
  color: var(--yk-dark);
}

.page-faq .faq-cat-card p {
  margin: 0;
  font-size: 12px;
  line-height: 1.6;
  color: var(--yk-gray);
}

.page-faq .faq-cat-card__arrow {
  margin-top: 6px;
  font-size: 12px;
  font-family: var(--yk-font-sans);
  font-weight: 700;
  color: var(--yk-mid);
}

.page-faq .faq-cat-card--load {
  border-top-color: var(--yk-purple);
}

.page-faq .faq-cat-card--load .faq-cat-card__arrow {
  color: var(--yk-purple);
}

.page-faq .faq-cat-card--ios {
  border-top-color: var(--yk-orange);
}

.page-faq .faq-cat-card--ios .faq-cat-card__arrow {
  color: var(--yk-orange);
}

.page-faq .faq-cat-card--data {
  border-top-color: var(--yk-green);
}

.page-faq .faq-cat-card--data .faq-cat-card__arrow {
  color: var(--yk-green);
}

.page-faq .faq-cat-card--cache {
  border-top-color: var(--yk-amber);
}

.page-faq .faq-cat-card--cache .faq-cat-card__arrow {
  color: var(--yk-amber);
}

/* FAQ 问答列表 */
.page-faq .faq-list {
  margin-bottom: 56px;
}

.page-faq .faq-groups {
  max-width: 880px;
  margin: 0 auto;
}

.page-faq .faq-group {
  scroll-margin-top: 72px;
  margin-bottom: 36px;
}

.page-faq .faq-group__head {
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid var(--yk-line);
  padding-bottom: 10px;
  margin-bottom: 16px;
}

.page-faq .faq-group__index {
  font-family: var(--yk-font-sans);
  font-weight: 900;
  font-size: 12px;
  color: var(--yk-white);
  background: var(--faq-grad);
  padding: 4px 8px 4px 12px;
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 50%, calc(100% - 8px) 100%, 0 100%);
}

.page-faq .faq-group__head h3 {
  font-family: var(--yk-font-sans);
  font-weight: 800;
  font-size: 18px;
  margin: 0;
  color: var(--yk-dark);
}

/* details 手风琴 */
.page-faq .faq-item {
  background: var(--yk-white);
  border: 1px solid var(--faq-card-frame);
  margin-bottom: 10px;
  box-shadow: var(--yk-shadow-sm);
  transition: box-shadow .2s, border-color .2s;
}

.page-faq .faq-item:hover {
  box-shadow: var(--yk-shadow-md);
  border-color: rgba(10, 27, 61, .18);
}

.page-faq .faq-item[open] {
  border-left: 3px solid var(--yk-orange);
  box-shadow: var(--yk-shadow-md);
}

.page-faq .faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 16px 18px;
  font-family: var(--yk-font-sans);
  font-weight: 600;
  font-size: 15px;
  line-height: 1.55;
  color: var(--yk-dark);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

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

.page-faq .faq-item summary::after {
  content: "+";
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border: 1px solid var(--yk-line);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
  color: var(--yk-mid);
  transition: background .2s, color .2s, transform .2s;
}

.page-faq .faq-item[open] summary::after {
  content: "−";
  background: var(--yk-orange);
  color: var(--yk-white);
  border-color: var(--yk-orange);
  transform: rotate(180deg);
}

.page-faq .faq-answer {
  padding: 4px 18px 20px;
}

.page-faq .faq-answer p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(10, 27, 61, .8);
}

.page-faq .faq-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: faq-step;
}

.page-faq .faq-steps > li {
  position: relative;
  counter-increment: faq-step;
  padding: 8px 0 8px 34px;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(10, 27, 61, .82);
  border-bottom: 1px dashed rgba(10, 27, 61, .06);
}

.page-faq .faq-steps > li:last-child {
  border-bottom: none;
}

.page-faq .faq-steps > li::before {
  content: counter(faq-step);
  position: absolute;
  left: 0;
  top: 10px;
  width: 22px;
  height: 22px;
  background: var(--faq-grad);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  font-family: var(--yk-font-sans);
  text-align: center;
  line-height: 22px;
}

.page-faq .faq-tip {
  margin-top: 12px;
  background: var(--yk-bg);
  border-left: 3px solid var(--yk-amber);
  padding: 10px 14px;
  font-size: 13px;
  line-height: 1.65;
  color: rgba(10, 27, 61, .78);
}

.page-faq .faq-tip--warn {
  border-left-color: var(--yk-orange);
}

.page-faq .faq-note-text {
  display: block;
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.65;
  color: rgba(10, 27, 61, .72);
  background: var(--yk-bg);
  padding: 10px 14px;
}

.page-faq .faq-inline-link {
  color: var(--yk-mid);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* 配图 */
.page-faq .faq-figure {
  margin: 16px 0 0;
  background: var(--yk-bg);
  border: 1px solid var(--faq-card-frame);
  padding: 10px 10px 6px;
}

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

.page-faq .faq-figure figcaption {
  padding: 8px 2px 2px;
  font-size: 12px;
  color: var(--yk-gray);
  font-family: var(--yk-font-sans);
}

/* 联系支持 */
.page-faq .faq-contact {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(145deg, rgba(255, 107, 53, .15), rgba(138, 43, 226, .10)),
    var(--yk-dark-deep);
  color: var(--yk-white);
  padding: 32px 22px;
  border-top: 3px solid var(--yk-orange);
}

.page-faq .faq-contact__head h2 {
  font-family: var(--yk-font-sans);
  font-weight: 900;
  font-size: 26px;
  margin: 10px 0 6px;
  color: var(--yk-white);
}

.page-faq .faq-contact__head p {
  margin: 0;
  font-size: 13px;
  color: rgba(255, 255, 255, .7);
}

.page-faq .faq-contact__grid {
  display: grid;
  gap: 12px;
  margin-top: 28px;
}

.page-faq .faq-contact__item {
  background: rgba(255, 255, 255, .06);
  border-left: 3px solid var(--yk-orange);
  padding: 18px 16px;
}

.page-faq .faq-contact__item:nth-child(2) {
  border-left-color: var(--yk-purple);
}

.page-faq .faq-contact__item:nth-child(3) {
  border-left-color: var(--yk-magenta);
}

.page-faq .faq-contact__label {
  display: block;
  font-family: var(--yk-font-sans);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .5);
  margin-bottom: 6px;
}

.page-faq .faq-contact__value {
  display: block;
  font-family: var(--yk-font-sans);
  font-weight: 700;
  font-size: 16px;
  color: var(--yk-white);
  word-break: break-all;
}

.page-faq .faq-contact__desc {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.65;
  color: rgba(255, 255, 255, .62);
}

.page-faq .faq-contact__trust {
  margin-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, .12);
  padding-top: 20px;
}

.page-faq .faq-contact__trust p {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(255, 255, 255, .78);
}

.page-faq .faq-contact__trust .yunkai-btn--ghost {
  display: inline-flex;
  border-color: rgba(255, 255, 255, .45);
  color: var(--yk-white);
}

/* 桌面端布局 */
@media (min-width: 992px) {
  .page-faq .yunkai-container {
    padding-top: 32px;
  }

  .page-faq .faq-hero {
    display: grid;
    grid-template-columns: 7fr 5fr;
    gap: 44px;
    align-items: center;
    padding: 56px 52px;
  }

  .page-faq .faq-hero h1 {
    font-size: 44px;
  }

  .page-faq .faq-h1-sub {
    font-size: 17px;
  }

  .page-faq .faq-hero__lead {
    font-size: 18px;
  }

  .page-faq .faq-hero__side {
    margin-top: 0;
  }

  .page-faq .faq-stat-num {
    font-size: 34px;
  }

  .page-faq .faq-categories__grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
  }

  .page-faq .faq-section-head h2 {
    font-size: 28px;
  }

  .page-faq .faq-list {
    margin-bottom: 64px;
  }

  .page-faq .faq-item summary {
    font-size: 16px;
    padding: 18px 22px;
  }

  .page-faq .faq-answer {
    padding: 6px 22px 24px;
  }

  .page-faq .faq-contact {
    padding: 48px 48px 44px;
  }

  .page-faq .faq-contact__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }
}