.page-faq {
  --faq-line: rgba(30, 91, 69, .24);
  --faq-line-soft: rgba(30, 91, 69, .14);
  --faq-gap: clamp(14px, 2vw, 20px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  background: var(--deep);
  color: var(--paper);
  padding: clamp(28px, 4vw, 44px) 0 clamp(48px, 7vw, 88px);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(30, 91, 69, .5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 91, 69, .5) 1px, transparent 1px);
  background-size: 68px 68px;
  opacity: .55;
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -10%;
  top: -34%;
  width: min(560px, 74vw);
  aspect-ratio: 1 / 1;
  background: var(--volt);
  opacity: .09;
  border-radius: 54% 42% 58% 46%;
  pointer-events: none;
}

.page-faq .faq-hero .crumb,
.page-faq .faq-hero .faq-hero-grid {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero .crumb {
  color: rgba(255, 255, 255, .68);
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-faq .faq-hero .crumb a {
  color: rgba(255, 255, 255, .78);
  text-decoration: none;
  border-bottom: 1px solid rgba(198, 255, 74, .5);
}

.page-faq .faq-hero .crumb a:hover {
  color: var(--volt);
}

.page-faq .faq-hero-grid {
  display: grid;
  gap: clamp(28px, 4vw, 56px);
  align-items: start;
}

.page-faq .faq-hero-main h1 {
  margin: 12px 0 18px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(34px, 5.4vw, 68px);
  line-height: 1.06;
  letter-spacing: -.01em;
  color: var(--paper);
  max-width: 15em;
}

.page-faq .faq-hero-main .lead {
  color: rgba(255, 255, 255, .84);
  max-width: 54ch;
  margin: 0;
}

.page-faq .faq-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 32px);
}

/* 热门问题侧栏 */
.page-faq .faq-hot {
  background: rgba(6, 42, 32, .72);
  border: 1px solid rgba(63, 214, 138, .32);
  border-radius: var(--r-card);
  padding: clamp(18px, 2.4vw, 26px);
}

.page-faq .faq-hot-cap {
  margin: 0 0 14px;
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--volt);
}

.page-faq .faq-hot ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .faq-hot li + li {
  border-top: 1px solid rgba(63, 214, 138, .18);
}

.page-faq .faq-hot a {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 2px;
  color: rgba(255, 255, 255, .9);
  text-decoration: none;
  font-size: 15px;
  line-height: 1.6;
  transition: color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-faq .faq-hot a:hover {
  color: var(--volt);
  transform: translateX(3px);
}

.page-faq .faq-hot-dot {
  flex: 0 0 auto;
  width: 6px;
  height: 6px;
  margin-top: 9px;
  border-radius: 50%;
  background: var(--mint);
}

/* ---------- 区块标题 ---------- */
.page-faq .sec-head {
  display: grid;
  gap: 14px;
  margin-bottom: clamp(24px, 3.4vw, 40px);
}

.page-faq .sec-title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(26px, 3.4vw, 42px);
  line-height: 1.12;
  margin: 8px 0 0;
  color: var(--ink);
}

.page-faq .sec-note {
  margin: 0;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.75;
  max-width: 46ch;
}

/* ---------- 主题分类 ---------- */
.page-faq .faq-topics {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--faq-gap);
}

.page-faq .faq-topics a {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: baseline;
  gap: 4px 12px;
  padding: 18px 20px 20px;
  background: var(--paper);
  border: 1px solid var(--faq-line-soft);
  border-left: 3px solid var(--mint);
  border-radius: var(--r-card);
  text-decoration: none;
  color: var(--ink);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-faq .faq-topics a:hover,
.page-faq .faq-topics a:focus-visible {
  transform: translateY(-3px);
  border-left-color: var(--volt);
  box-shadow: 0 14px 30px -22px rgba(11, 58, 43, .8);
}

.page-faq .faq-topic-num {
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--grey);
}

.page-faq .faq-topics strong {
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: .01em;
}

.page-faq .faq-topic-count {
  font-family: var(--font-num);
  font-size: 14px;
  color: var(--deep);
  background: rgba(198, 255, 74, .5);
  border-radius: 999px;
  padding: 2px 10px;
  white-space: nowrap;
}

.page-faq .faq-topic-desc {
  grid-column: 2 / 4;
  font-size: 14px;
  line-height: 1.65;
  color: var(--ink-soft);
}

/* ---------- 分段控件 ---------- */
.page-faq .segmented {
  background: var(--paper);
  border: 1px solid var(--faq-line-soft);
  border-radius: var(--r-card);
  overflow: hidden;
}

.page-faq .segmented-rail {
  display: flex;
  gap: 6px;
  padding: 10px;
  background: var(--mist);
  border-bottom: 1px solid var(--faq-line-soft);
  overflow-x: auto;
}

.page-faq .segmented-btn {
  flex: 1 0 auto;
  appearance: none;
  border: 1px solid transparent;
  background: transparent;
  border-radius: var(--r-btn);
  padding: 10px 16px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-soft);
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .segmented-btn:hover {
  color: var(--deep);
  border-color: rgba(30, 91, 69, .3);
}

.page-faq .segmented-btn[aria-selected="true"] {
  background: var(--deep);
  color: var(--volt);
  border-color: var(--deep);
}

.page-faq .segmented-btn:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 2px;
}

.page-faq .segmented-panel {
  padding: clamp(16px, 2.4vw, 26px);
}

.page-faq .segmented-panel[hidden] {
  display: none;
}

/* ---------- 表格 ---------- */
.page-faq .faq-table {
  width: 100%;
  font-size: 14px;
}

.page-faq .faq-table caption {
  caption-side: top;
  text-align: left;
  padding-bottom: 12px;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--grey);
}

.page-faq .faq-table th,
.page-faq .faq-table td {
  text-align: left;
  padding: 12px 14px;
  vertical-align: top;
  line-height: 1.65;
}

.page-faq .faq-table thead th {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--deep);
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-table tbody th {
  font-weight: 600;
  color: var(--ink);
  white-space: nowrap;
}

.page-faq .faq-table tbody td {
  color: var(--ink-soft);
}

.page-faq .faq-table tbody tr:nth-child(odd) {
  background: var(--mist);
}

/* ---------- 问答列表 ---------- */
.page-faq .faq-list {
  margin-top: clamp(26px, 3.6vw, 44px);
}

.page-faq .qa {
  border-top: 1px solid var(--faq-line);
  padding: 0;
}

.page-faq .qa:last-child {
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .qa summary {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 18px 4px 18px 0;
  cursor: pointer;
  list-style: none;
  transition: color var(--dur) var(--ease);
}

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

.page-faq .qa summary:hover .qa-q {
  color: var(--deep);
}

.page-faq .qa summary:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: -2px;
}

.page-faq .qa-num {
  flex: 0 0 auto;
  font-family: var(--font-num);
  font-size: 15px;
  font-weight: 600;
  color: var(--mint);
  padding-top: 2px;
  min-width: 2.2em;
}

.page-faq .qa-q {
  position: relative;
  font-family: var(--font-head);
  font-size: clamp(18px, 2.1vw, 22px);
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink);
  transition: color var(--dur) var(--ease);
}

.page-faq .qa-q::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--volt), rgba(198, 255, 74, 0));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .32s var(--ease);
}

.page-faq .qa[open] .qa-q::after {
  transform: scaleX(1);
}

.page-faq .qa-body {
  padding: 0 0 22px 0;
  margin-left: 0;
}

.page-faq .qa-body p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink-soft);
  max-width: 68ch;
}

.page-faq .qa-next {
  display: inline-block;
  margin: 4px 0 0;
  padding: 8px 14px;
  border-left: 3px solid var(--orange);
  background: rgba(255, 122, 41, .07);
  border-radius: 0 var(--r-btn) var(--r-btn) 0;
  font-size: 14px;
  color: var(--deep);
}

/* ---------- 对照双栏 ---------- */
.page-faq .faq-pair {
  display: grid;
  gap: var(--faq-gap);
}

.page-faq .faq-pair-col {
  background: var(--paper);
  border: 1px solid var(--faq-line-soft);
  border-radius: var(--r-card);
  padding: clamp(18px, 2.4vw, 26px);
}

.page-faq .faq-pair-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  color: var(--deep);
}

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

.page-faq .faq-pair-list li {
  display: grid;
  gap: 2px;
  padding: 12px 0;
  border-top: 1px dashed var(--faq-line-soft);
}

.page-faq .faq-pair-list li:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-faq .faq-pair-list strong {
  font-size: 15px;
  color: var(--ink);
}

.page-faq .faq-pair-list span {
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-soft);
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure,
.page-faq .faq-client-figure {
  margin: clamp(24px, 3.4vw, 40px) 0 0;
}

.page-faq .faq-figure .media,
.page-faq .faq-client-figure .media {
  border-radius: var(--r-card);
  overflow: hidden;
  border: 1px solid var(--faq-line-soft);
}

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

.page-faq .faq-figure figcaption,
.page-faq .faq-client-figure figcaption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--grey);
}

/* ---------- 客户端区块 ---------- */
.page-faq .faq-client-grid {
  display: grid;
  gap: clamp(24px, 3.4vw, 44px);
  align-items: start;
}

.page-faq .faq-client-text .lead {
  color: var(--ink-soft);
  max-width: 46ch;
}

.page-faq .faq-steps {
  list-style: none;
  counter-reset: none;
  margin: clamp(20px, 2.6vw, 28px) 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .faq-steps li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 0;
  border-top: 1px solid var(--faq-line-soft);
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink);
}

.page-faq .faq-step-num {
  flex: 0 0 auto;
  font-family: var(--font-num);
  font-size: 15px;
  font-weight: 700;
  color: var(--deep);
  background: rgba(198, 255, 74, .55);
  border-radius: 6px;
  padding: 2px 8px;
  line-height: 1.5;
}

.page-faq .faq-client-figure {
  margin-top: 0;
}

/* ---------- 阅读顺序 ---------- */
.page-faq .faq-order {
  display: grid;
  gap: var(--faq-gap);
}

.page-faq .faq-order-step {
  position: relative;
  padding: 20px 20px 22px;
  background: var(--paper);
  border: 1px solid var(--faq-line-soft);
  border-radius: var(--r-card);
}

.page-faq .faq-order-step::before {
  content: "";
  position: absolute;
  left: 20px;
  top: 0;
  width: 44px;
  height: 3px;
  background: var(--mint);
  border-radius: 0 0 3px 3px;
}

.page-faq .faq-order-num {
  display: block;
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--grey);
  margin-bottom: 8px;
}

.page-faq .faq-order-step h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 21px;
  font-weight: 700;
  color: var(--ink);
}

.page-faq .faq-order-step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
}

/* ---------- 求助区块 ---------- */
.page-faq .section-deep.faq-help {
  background: var(--deep);
  color: var(--paper);
}

.page-faq .faq-help .sec-title {
  color: var(--paper);
}

.page-faq .faq-help .lead {
  color: rgba(255, 255, 255, .82);
  max-width: 44ch;
}

.page-faq .faq-help-grid {
  display: grid;
  gap: clamp(24px, 3.6vw, 48px);
  align-items: start;
}

.page-faq .faq-help-panel {
  background: rgba(6, 42, 32, .78);
  border: 1px solid rgba(63, 214, 138, .32);
  border-radius: var(--r-card);
  padding: clamp(20px, 2.6vw, 28px);
}

.page-faq .faq-help-contact {
  margin: 0;
  display: grid;
  gap: 16px;
}

.page-faq .faq-help-contact dt {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--mint);
  margin-bottom: 4px;
}

.page-faq .faq-help-contact dd {
  margin: 0;
  font-size: 17px;
  color: var(--paper);
  word-break: break-word;
}

.page-faq .faq-help-contact dd a {
  color: var(--volt);
  text-decoration: none;
  border-bottom: 1px solid rgba(198, 255, 74, .45);
}

.page-faq .faq-help-contact dd a:hover {
  border-bottom-color: var(--volt);
}

.page-faq .faq-help-tips {
  margin-top: clamp(28px, 4vw, 48px);
  padding-top: clamp(20px, 2.6vw, 28px);
  border-top: 1px solid rgba(63, 214, 138, .28);
}

.page-faq .faq-help-cap {
  margin: 0 0 16px;
  font-family: var(--font-head);
  font-size: 19px;
  font-weight: 700;
  color: var(--paper);
}

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

.page-faq .faq-help-tips li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(255, 255, 255, .84);
}

.page-faq .faq-help-tips li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 10px;
  height: 2px;
  background: var(--volt);
}

.page-faq .faq-help-foot {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, .72);
}

.page-faq .faq-help-foot a {
  color: var(--mint);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 214, 138, .45);
}

.page-faq .faq-help-foot a:hover {
  border-bottom-color: var(--mint);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-topics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-pair {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-order {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .sec-head {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: end;
    gap: 32px;
  }

  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, .85fr);
  }

  .page-faq .faq-client-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  }

  .page-faq .faq-client-figure {
    margin-top: 6px;
  }

  .page-faq .faq-help-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: center;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-topics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .segmented-btn {
    flex: 0 0 auto;
  }

  .page-faq .qa-body {
    padding-left: calc(2.2em + 14px);
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-pair {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 28px;
  }
}

@media (max-width: 639px) {
  .page-faq .faq-table thead {
    display: none;
  }

  .page-faq .faq-table,
  .page-faq .faq-table tbody,
  .page-faq .faq-table tr,
  .page-faq .faq-table th,
  .page-faq .faq-table td {
    display: block;
    width: 100%;
  }

  .page-faq .faq-table tbody tr {
    padding: 12px 0;
    border-bottom: 1px solid var(--faq-line-soft);
  }

  .page-faq .faq-table tbody tr:last-child {
    border-bottom: 0;
  }

  .page-faq .faq-table tbody th {
    white-space: normal;
    font-family: var(--font-head);
    font-size: 16px;
    padding-bottom: 6px;
  }

  .page-faq .faq-table td {
    padding: 4px 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-topics a,
  .page-faq .faq-hot a,
  .page-faq .qa-q,
  .page-faq .qa-q::after {
    transition: none;
  }

  .page-faq .faq-topics a:hover {
    transform: none;
  }

  .page-faq .qa[open] .qa-q::after {
    transform: none;
    opacity: 0;
  }
}