.page-faq {
  --faq-green-deep: #3F6B22;
  --faq-line: rgba(28, 28, 28, .12);
  --faq-line-soft: rgba(28, 28, 28, .07);
  background: var(--seed-black);
  color: var(--ink);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-block: clamp(18px, 3vw, 34px) clamp(38px, 6vw, 84px);
  background:
    radial-gradient(115% 85% at 92% 4%, rgba(124, 179, 66, .26), transparent 60%),
    var(--seed-black);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -22%;
  right: -14%;
  width: min(640px, 80vw);
  height: 150%;
  z-index: -1;
  background: linear-gradient(196deg, rgba(198, 255, 0, .20), rgba(124, 179, 66, .38) 46%, rgba(31, 182, 166, .14));
  transform: rotate(11deg);
  clip-path: polygon(36% 0, 100% 0, 64% 100%, 0 100%);
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

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

.page-faq .crumb ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 clamp(18px, 2.6vw, 30px);
  padding: 0;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .08em;
  color: var(--ink-faint);
}

.page-faq .crumb li + li::before {
  content: "/";
  margin-right: 10px;
  color: rgba(247, 248, 245, .3);
}

.page-faq .crumb a {
  color: var(--ink-dim);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-faq .crumb a:hover,
.page-faq .crumb a:focus-visible {
  color: var(--volt);
  border-bottom-color: var(--volt);
}

.page-faq .crumb [aria-current="page"] {
  color: var(--kiwi);
}

.page-faq .faq-hero__kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--volt);
}

.page-faq .faq-hero__title {
  margin: 0 0 clamp(14px, 2vw, 22px);
  max-width: 20ch;
  font-size: clamp(2.1rem, 1.3rem + 3.6vw, 4.1rem);
  line-height: 1.05;
  font-weight: 900;
  letter-spacing: -.02em;
}

.page-faq .faq-hero__lede {
  margin: 0;
  max-width: 58ch;
  font-size: var(--step-0);
  line-height: 1.8;
  color: var(--ink-dim);
}

.page-faq .faq-hero__stats {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
  background: var(--line-strong);
  border: 1px solid var(--line-strong);
}

.page-faq .faq-hero__stats li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 16px;
  background: rgba(16, 35, 26, .78);
}

.page-faq .faq-stat__num {
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 1.1rem + 1.7vw, 2.5rem);
  font-weight: 700;
  line-height: 1;
  color: var(--volt);
}

.page-faq .faq-stat__label {
  font-size: var(--step--1);
  line-height: 1.5;
  color: var(--ink-faint);
}

.page-faq .faq-hero__media {
  margin: 0;
}

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

@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 6.4fr) minmax(0, 5.6fr);
    align-items: end;
  }

  .page-faq .faq-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 分流表 ---------- */
.page-faq .faq-router {
  background: var(--paper);
  color: var(--ink-dark);
  padding-block: clamp(36px, 5vw, 76px);
}

.page-faq .sec-idx {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--faq-green-deep);
}

.page-faq .faq-router .sec-title {
  margin: 8px 0 12px;
  font-size: clamp(1.55rem, 1.15rem + 1.7vw, 2.6rem);
  font-weight: 900;
  letter-spacing: -.015em;
  line-height: 1.2;
  color: var(--ink-dark);
}

.page-faq .faq-router .text-dim {
  margin: 0;
  max-width: 52ch;
  font-size: var(--step-0);
  line-height: 1.75;
  color: var(--ink-dark-dim);
}

.page-faq .faq-router__list {
  list-style: none;
  display: grid;
  gap: 1px;
  margin: clamp(22px, 3vw, 36px) 0 0;
  padding: 0;
  background: var(--faq-line);
  border: 1px solid var(--faq-line);
}

.page-faq .faq-router__row {
  display: grid;
  gap: 5px;
  padding: clamp(14px, 2vw, 20px) clamp(14px, 2vw, 24px);
  background: var(--paper);
  transition: background .2s var(--ease);
}

.page-faq .faq-router__row:hover {
  background: #fff;
}

.page-faq .faq-router__num {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .14em;
  color: var(--faq-green-deep);
}

.page-faq .faq-router__type {
  margin: 0;
  font-size: var(--step-0);
  font-weight: 700;
  line-height: 1.55;
  color: var(--ink-dark);
}

.page-faq .faq-router__link {
  justify-self: start;
  font-size: var(--step--1);
  font-weight: 700;
  color: var(--faq-green-deep);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 2px solid rgba(124, 179, 66, .45);
}

.page-faq .faq-router__link::after {
  content: " →";
}

.page-faq .faq-router__link:hover,
.page-faq .faq-router__link:focus-visible {
  color: var(--ink-dark);
  background: rgba(198, 255, 0, .34);
  border-bottom-color: var(--volt);
}

.page-faq .faq-router__gain {
  margin: 0;
  font-size: var(--step--1);
  line-height: 1.7;
  color: var(--ink-dark-dim);
}

@media (min-width: 900px) {
  .page-faq .faq-router__row {
    grid-template-columns: 56px minmax(0, 1.1fr) minmax(0, 1fr) minmax(0, 1.9fr);
    align-items: center;
    gap: 0 24px;
  }
}

/* ---------- 问答主体 ---------- */
.page-faq .faq-body {
  background: var(--turf);
  color: var(--ink-dark);
  padding-block: clamp(32px, 4.5vw, 70px) clamp(44px, 6vw, 92px);
}

.page-faq .faq-body__inner {
  display: grid;
  gap: clamp(22px, 3.2vw, 40px);
}

.page-faq .faq-groups__sr {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

/* 分组索引 */
.page-faq .faq-index {
  padding: 16px;
  background: rgba(255, 255, 255, .6);
  border: 1px solid var(--faq-line);
}

.page-faq .faq-index__head {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--ink-dark-dim);
}

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

.page-faq .faq-index__link {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 9px 10px;
  font-size: var(--step--1);
  font-weight: 600;
  color: var(--ink-dark);
  text-decoration: none;
  border-left: 3px solid transparent;
  transition: background .18s var(--ease), border-color .18s var(--ease);
}

.page-faq .faq-index__num {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .1em;
  color: var(--faq-green-deep);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  background: rgba(124, 179, 66, .16);
  border-left-color: var(--kiwi);
  color: var(--faq-green-deep);
}

/* 问答分组 */
.page-faq .faq-group {
  padding-top: clamp(18px, 2.6vw, 30px);
  border-top: 1px solid rgba(28, 28, 28, .16);
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(30px, 4.5vw, 60px);
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2px 14px;
  align-items: baseline;
  margin-bottom: clamp(14px, 2vw, 22px);
}

.page-faq .faq-group__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--step-1);
  font-weight: 700;
  line-height: 1;
  color: var(--faq-green-deep);
  letter-spacing: -.02em;
}

.page-faq .faq-group__title {
  margin: 0;
  font-size: clamp(1.3rem, 1.05rem + .9vw, 1.85rem);
  font-weight: 900;
  letter-spacing: -.01em;
  line-height: 1.25;
  color: var(--ink-dark);
}

.page-faq .faq-group__sub {
  grid-column: 2;
  margin: 0;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .08em;
  color: var(--ink-dark-dim);
}

.page-faq .faq-list {
  display: grid;
  gap: 8px;
}

/* 手风琴条目 */
.page-faq .faq-item {
  background: var(--paper);
  border: 1px solid var(--faq-line-soft);
  border-left: 3px solid rgba(28, 28, 28, .14);
  transition: border-color .2s var(--ease), background .2s var(--ease), box-shadow .2s var(--ease);
}

.page-faq .faq-item:hover {
  border-left-color: var(--kiwi);
}

.page-faq .faq-item[open] {
  background: #fff;
  border-left-color: var(--volt);
  box-shadow: 0 10px 26px rgba(16, 35, 26, .08);
}

.page-faq .faq-item__q {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 16px;
  align-items: center;
  padding: clamp(14px, 1.8vw, 18px) clamp(16px, 2vw, 22px);
  cursor: pointer;
  list-style: none;
  font-size: clamp(1rem, .94rem + .3vw, 1.15rem);
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink-dark);
}

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

.page-faq .faq-item__q::after {
  content: "";
  width: 11px;
  height: 11px;
  margin-bottom: 4px;
  justify-self: end;
  border-right: 2px solid var(--faq-green-deep);
  border-bottom: 2px solid var(--faq-green-deep);
  transform: rotate(45deg);
  transition: transform .22s var(--ease), border-color .2s var(--ease);
}

.page-faq .faq-item[open] .faq-item__q::after {
  transform: rotate(-135deg);
  margin-bottom: -4px;
  border-color: var(--kiwi);
}

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

.page-faq .faq-item__a {
  padding: 0 clamp(16px, 2vw, 22px) clamp(16px, 2vw, 22px);
  border-top: 1px solid var(--faq-line-soft);
  margin-top: -1px;
}

.page-faq .faq-item__a p {
  margin: 14px 0 0;
  max-width: 62ch;
  font-size: var(--step-0);
  line-height: 1.8;
  color: #2F3237;
}

.page-faq .faq-tip {
  border-left: 4px solid var(--kiwi);
  background: rgba(198, 255, 0, .22);
  padding: 10px 14px;
  font-size: var(--step--1);
  line-height: 1.7;
  color: var(--ink-dark-dim);
}

/* 客服组配图 */
.page-faq .faq-support__media {
  margin: clamp(18px, 2.4vw, 26px) 0 0;
}

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

@media (min-width: 760px) {
  .page-faq .faq-group--support {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    column-gap: clamp(20px, 3vw, 44px);
    align-items: start;
  }

  .page-faq .faq-group--support .faq-group__head,
  .page-faq .faq-group--support .faq-list {
    grid-column: 1;
  }

  .page-faq .faq-group--support .faq-support__media {
    grid-column: 2;
    grid-row: 1 / span 2;
    margin-top: 0;
    position: sticky;
    top: 96px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-body__inner {
    grid-template-columns: minmax(0, 3fr) minmax(0, 9fr);
    column-gap: clamp(28px, 3.6vw, 56px);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 92px;
  }
}

/* 窄屏索引改为横向条 */
@media (max-width: 959px) {
  .page-faq .faq-index__list {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 4px;
    scrollbar-width: thin;
  }

  .page-faq .faq-index__link {
    white-space: nowrap;
    border: 1px solid var(--faq-line);
    border-left-width: 1px;
  }
}

/* ---------- 结尾 ---------- */
.page-faq .faq-outro {
  position: relative;
  overflow: hidden;
  background: var(--night-green);
  color: var(--ink);
  padding-block: clamp(38px, 5.5vw, 84px);
}

.page-faq .faq-outro::before {
  content: "";
  position: absolute;
  inset: auto -10% -60% 40%;
  height: 150%;
  background: linear-gradient(120deg, rgba(124, 179, 66, .22), rgba(31, 182, 166, .06));
  transform: rotate(-9deg);
  pointer-events: none;
}

.page-faq .faq-outro__inner {
  position: relative;
}

.page-faq .faq-outro .sec-idx {
  color: var(--volt);
}

.page-faq .faq-outro__title {
  margin: 10px 0 14px;
  max-width: 18ch;
  font-size: clamp(1.6rem, 1.15rem + 2.2vw, 2.9rem);
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: -.018em;
}

.page-faq .faq-outro__lede {
  margin: 0 0 clamp(22px, 3vw, 34px);
  max-width: 56ch;
  font-size: var(--step-0);
  line-height: 1.8;
  color: var(--ink-dim);
}

.page-faq .faq-outro__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-faq .faq-outro__acts .btn {
  text-decoration: none;
}

@media (max-width: 420px) {
  .page-faq .faq-outro__acts .btn {
    width: 100%;
    text-align: center;
  }
}

/* 减少动态偏好 */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item__q::after,
  .page-faq .faq-router__row,
  .page-faq .faq-index__link {
    transition: none;
  }
}