.page-faq {
  background: var(--deep);
  color: var(--text-on-dark);
  font-family: var(--font-sans);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

.page-faq ::selection {
  background: var(--orange);
  color: var(--ink);
}

.page-faq .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 26px;
  border-radius: 999px;
  font-size: 16px;
  font-weight: 700;
  font-style: italic;
  letter-spacing: .01em;
  text-decoration: none;
  transition: transform .35s var(--ease), background-color .35s var(--ease),
    border-color .35s var(--ease), color .35s var(--ease);
}

.page-faq .btn--primary {
  background: var(--orange);
  color: var(--ink);
  border: 1px solid var(--orange);
}

.page-faq .btn--primary:hover {
  background: var(--gold);
  border-color: var(--gold);
  transform: translateY(-2px);
}

.page-faq .btn--ghost {
  background: transparent;
  color: var(--text-on-dark);
  border: 1px solid var(--line-strong);
}

.page-faq .btn--ghost:hover {
  border-color: var(--winter);
  color: #ffffff;
  transform: translateY(-2px);
}

.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--mist);
  margin-bottom: clamp(24px, 4vw, 44px);
}

.page-faq .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .3s var(--ease), border-color .3s var(--ease);
}

.page-faq .breadcrumb a:hover {
  color: var(--winter);
  border-color: var(--winter);
}

.page-faq .breadcrumb span[aria-hidden] {
  color: var(--moss);
}

.page-faq .breadcrumb span:last-child {
  color: var(--cream);
}

.page-faq h1,
.page-faq h2,
.page-faq h3 {
  font-family: var(--font-sans);
  font-weight: 800;
  font-style: italic;
  line-height: 1.14;
  letter-spacing: -.01em;
}

.page-faq .mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: .02em;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-intro {
  position: relative;
  padding: clamp(28px, 5vw, 60px) 0 clamp(44px, 7vw, 88px);
  background:
    radial-gradient(120% 88% at 86% -14%, rgba(31, 138, 76, .28), transparent 60%),
    radial-gradient(80% 70% at 4% 110%, rgba(255, 107, 26, .16), transparent 62%),
    linear-gradient(180deg, var(--deep) 0%, var(--deep-3) 100%);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-intro__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 5vw, 56px);
  align-items: center;
}

.page-faq .faq-intro__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  padding: 6px 16px 6px 10px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .12em;
  color: var(--gold);
  text-transform: uppercase;
}

.page-faq .faq-intro__eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 4px rgba(242, 166, 35, .2);
}

.page-faq .faq-intro h1 {
  margin: 0 0 22px;
  font-size: clamp(30px, 6.2vw, 62px);
  transform: skewX(-6deg);
  transform-origin: left center;
  color: var(--cream);
  max-width: 16em;
}

.page-faq .faq-intro__lede {
  margin: 0 0 30px;
  font-size: 17px;
  line-height: 1.85;
  color: var(--text-on-dark);
  max-width: 34em;
}

.page-faq .faq-intro__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.page-faq .faq-intro__visual {
  width: 100%;
  max-width: 480px;
  justify-self: center;
  padding: clamp(16px, 3vw, 26px);
  border-radius: var(--r-l);
  background: rgba(19, 41, 61, .62);
  border: 1px solid var(--line);
}

.page-faq .faq-intro__visual svg {
  display: block;
  width: 100%;
  height: auto;
}

/* ---------- 通用章节头部 ---------- */

.page-faq .faq-rail__head,
.page-faq .faq-legacy__head,
.page-faq .faq-member__head,
.page-faq .faq-sub__head,
.page-faq .faq-index__head {
  margin-bottom: clamp(28px, 5vw, 54px);
  max-width: 46em;
}

.page-faq .faq-rail__index,
.page-faq .faq-legacy__index,
.page-faq .faq-member__index,
.page-faq .faq-sub__index,
.page-faq .faq-index__index {
  display: block;
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .22em;
  color: var(--gold);
}

.page-faq .faq-rail__head h2,
.page-faq .faq-legacy__head h2,
.page-faq .faq-member__head h2,
.page-faq .faq-sub__head h2,
.page-faq .faq-index__head h2 {
  margin: 0 0 16px;
  font-size: clamp(24px, 4.4vw, 42px);
  color: var(--cream);
  transform: skewX(-6deg);
  transform-origin: left center;
}

.page-faq .faq-rail__head h2::after,
.page-faq .faq-legacy__head h2::after,
.page-faq .faq-member__head h2::after,
.page-faq .faq-sub__head h2::after,
.page-faq .faq-index__head h2::after {
  content: "";
  display: block;
  width: 84px;
  height: 6px;
  margin-top: 18px;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--green), var(--orange), var(--gold), var(--winter));
}

.page-faq .faq-rail__head p,
.page-faq .faq-legacy__head p,
.page-faq .faq-member__head p,
.page-faq .faq-sub__head p,
.page-faq .faq-index__head p {
  margin: 0;
  font-size: 17px;
  line-height: 1.85;
  color: var(--text-on-dark);
}

/* ---------- 三步上手 ---------- */

.page-faq .faq-rail {
  padding: clamp(52px, 8vw, 96px) 0;
  background: var(--deep);
}

.page-faq .faq-rail__steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: railstep;
}

.page-faq .faq-rail__step {
  position: relative;
  padding: 26px 24px 26px 62px;
  border-radius: var(--r-m);
  background: var(--deep-2);
  border: 1px solid var(--line);
  transition: transform .4s var(--ease), border-color .4s var(--ease);
}

.page-faq .faq-rail__step:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
}

.page-faq .faq-rail__dot {
  position: absolute;
  left: 24px;
  top: 30px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
}

.page-faq .faq-rail__dot::after {
  content: "";
  position: absolute;
  inset: -9px;
  border-radius: 50%;
  border: 1px dashed currentColor;
  opacity: .35;
}

.page-faq .faq-rail__dot--spring {
  background: var(--green);
  color: var(--green);
}

.page-faq .faq-rail__dot--summer {
  background: var(--orange);
  color: var(--orange);
}

.page-faq .faq-rail__dot--autumn {
  background: var(--gold);
  color: var(--gold);
}

.page-faq .faq-rail__step h3 {
  margin: 0 0 10px;
  font-size: 19px;
  color: var(--cream);
}

.page-faq .faq-rail__step p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--text-on-dark);
}

/* ---------- 旧版入口 ---------- */

.page-faq .faq-legacy {
  padding: clamp(56px, 9vw, 104px) 0;
  background: linear-gradient(180deg, var(--deep-3) 0%, var(--deep-2) 100%);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-legacy__split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 48px);
  align-items: start;
}

.page-faq .faq-legacy__steps > ol {
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 18px;
}

.page-faq .faq-legacy__steps li {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 16px;
  align-items: start;
  padding: 20px 22px;
  border-radius: var(--r-m);
  background: rgba(11, 27, 43, .6);
  border: 1px solid var(--line);
}

.page-faq .faq-legacy__n {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
  background: var(--winter);
}

.page-faq .faq-legacy__steps li:nth-child(2) .faq-legacy__n {
  background: var(--gold);
}

.page-faq .faq-legacy__steps li:nth-child(3) .faq-legacy__n {
  background: var(--green);
  color: #ffffff;
}

.page-faq .faq-legacy__steps h3 {
  margin: 6px 0 8px;
  font-size: 18px;
  color: var(--cream);
}

.page-faq .faq-legacy__steps p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--text-on-dark);
}

.page-faq .faq-legacy__who {
  padding: 18px 22px;
  border-left: 4px solid var(--clay);
  border-radius: 0 var(--r-s) var(--r-s) 0;
  background: rgba(180, 85, 47, .1);
  font-size: 15.5px;
  line-height: 1.8;
}

.page-faq .faq-legacy__who strong {
  color: var(--gold);
  font-style: italic;
}

.page-faq .faq-legacy__who a {
  color: var(--winter);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color .3s var(--ease);
}

.page-faq .faq-legacy__who a:hover {
  color: var(--orange);
}

.page-faq .faq-legacy__figure {
  margin: 0;
  border-radius: var(--r-l);
  overflow: hidden;
  background: var(--deep);
  border: 1px solid var(--line);
}

.page-faq .faq-legacy__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
}

.page-faq .faq-legacy__figure figcaption {
  padding: 16px 22px 20px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
  border-top: 1px solid var(--line);
}

/* ---------- 会员权益 ---------- */

.page-faq .faq-member {
  padding: clamp(56px, 9vw, 104px) 0;
  background: var(--deep);
}

.page-faq .faq-member__split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 44px);
  align-items: start;
}

.page-faq .faq-member__figure {
  margin: 0;
  border-radius: var(--r-l);
  overflow: hidden;
  background: var(--deep-2);
  border: 1px solid var(--line);
}

.page-faq .faq-member__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
}

.page-faq .faq-member__figure figcaption {
  padding: 16px 22px 20px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
  border-top: 1px solid var(--line);
}

.page-faq .faq-member__tiers {
  display: grid;
  gap: 16px;
}

.page-faq .faq-member__tier {
  position: relative;
  padding: 22px 24px 22px 30px;
  border-radius: var(--r-m);
  background: var(--deep-2);
  border: 1px solid var(--line);
  transition: transform .4s var(--ease), border-color .4s var(--ease);
}

.page-faq .faq-member__tier::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  bottom: 18px;
  width: 5px;
  border-radius: 0 4px 4px 0;
}

.page-faq .faq-member__tier--1::before {
  background: var(--green);
}

.page-faq .faq-member__tier--2::before {
  background: var(--gold);
}

.page-faq .faq-member__tier--3::before {
  background: linear-gradient(180deg, var(--orange), var(--clay));
}

.page-faq .faq-member__tier:hover {
  transform: translateY(-3px);
  border-color: var(--line-strong);
}

.page-faq .faq-member__tier h3 {
  margin: 0 0 8px;
  font-size: 18px;
  color: var(--cream);
}

.page-faq .faq-member__tier p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--text-on-dark);
}

.page-faq .faq-member__note {
  margin: 6px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-member__note a {
  color: var(--winter);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color .3s var(--ease);
}

.page-faq .faq-member__note a:hover {
  color: var(--orange);
}

/* ---------- 订阅与提醒 ---------- */

.page-faq .faq-sub {
  padding: clamp(56px, 9vw, 104px) 0;
  background: linear-gradient(180deg, var(--deep-2) 0%, var(--deep) 100%);
  border-top: 1px solid var(--line);
}

.page-faq .faq-sub__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-faq .faq-sub__card {
  padding: 26px 24px;
  border-radius: var(--r-m);
  background: rgba(19, 41, 61, .78);
  border: 1px solid var(--line);
  border-top: 3px solid var(--moss);
  transition: transform .4s var(--ease), border-color .4s var(--ease);
}

.page-faq .faq-sub__card:nth-child(1) {
  border-top-color: var(--green);
}

.page-faq .faq-sub__card:nth-child(2) {
  border-top-color: var(--orange);
}

.page-faq .faq-sub__card:nth-child(3) {
  border-top-color: var(--winter);
}

.page-faq .faq-sub__card:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
}

.page-faq .faq-sub__badge {
  display: inline-block;
  margin-bottom: 14px;
  padding: 4px 12px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--ink);
  background: var(--gold);
}

.page-faq .faq-sub__card h3 {
  margin: 0 0 12px;
  font-size: 19px;
  color: var(--cream);
}

.page-faq .faq-sub__card > p {
  margin: 0 0 16px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--text-on-dark);
}

.page-faq .faq-sub__how {
  margin: 0 0 8px !important;
  font-size: 14.5px !important;
  line-height: 1.75 !important;
  color: var(--mist) !important;
}

.page-faq .faq-sub__how span {
  display: inline-block;
  min-width: 44px;
  margin-right: 8px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--gold);
}

/* ---------- 数据索引 ---------- */

.page-faq .faq-index {
  padding: clamp(56px, 9vw, 104px) 0;
  background: var(--deep);
  border-top: 1px solid var(--line);
}

.page-faq .faq-index__split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 44px);
  align-items: start;
}

.page-faq .faq-index__guide ol {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 18px;
}

.page-faq .faq-index__guide li {
  position: relative;
  padding: 20px 22px 20px 60px;
  border-radius: var(--r-m);
  background: rgba(11, 27, 43, .6);
  border: 1px solid var(--line);
}

.page-faq .faq-index__guide li::before {
  counter-increment: idxstep;
  content: counter(idxstep, decimal-leading-zero);
  position: absolute;
  left: 20px;
  top: 22px;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--orange);
}

.page-faq .faq-index__guide ol {
  counter-reset: idxstep;
}

.page-faq .faq-index__guide h3 {
  margin: 0 0 8px;
  font-size: 17.5px;
  color: var(--cream);
}

.page-faq .faq-index__guide p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--text-on-dark);
}

.page-faq .faq-index__table {
  padding: 22px 20px 18px;
  border-radius: var(--r-m);
  background: var(--deep-2);
  border: 1px solid var(--line);
}

.page-faq .faq-index__table-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}

.page-faq .faq-index__switch {
  display: inline-flex;
  padding: 4px;
  border-radius: 999px;
  background: rgba(11, 27, 43, .85);
  border: 1px solid var(--line);
  font-size: 13.5px;
}

.page-faq .faq-index__switch span {
  padding: 6px 16px;
  border-radius: 999px;
  color: var(--mist);
}

.page-faq .faq-index__switch-on {
  background: var(--green);
  color: #ffffff !important;
  font-weight: 600;
}

.page-faq .faq-index__caption {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.page-faq .faq-index__table .table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14.5px;
}

.page-faq .faq-index__table th {
  padding: 10px 12px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--mist);
  border-bottom: 1px solid var(--line-strong);
  white-space: nowrap;
}

.page-faq .faq-index__table td {
  padding: 12px;
  color: var(--text-on-dark);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-index__table tbody tr:nth-child(even) td {
  background: rgba(11, 27, 43, .5);
}

.page-faq .faq-index__table td.num {
  color: var(--cream);
  text-align: left;
}

.page-faq .faq-index__table td.num.mono {
  color: var(--gold);
  font-weight: 600;
}

.page-faq .faq-index__tip {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-faq .faq-index__tip a {
  color: var(--winter);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color .3s var(--ease);
}

.page-faq .faq-index__tip a:hover {
  color: var(--orange);
}

/* ---------- 还有疑问 ---------- */

.page-faq .faq-stuck {
  padding: clamp(48px, 8vw, 92px) 0 clamp(64px, 9vw, 112px);
  background: linear-gradient(180deg, var(--deep) 0%, var(--ink) 100%);
}

.page-faq .faq-stuck__band {
  position: relative;
  padding: clamp(30px, 5vw, 52px);
  border-radius: var(--r-l);
  background: var(--deep-2);
  border: 1px solid var(--line-strong);
  box-shadow: 0 0 0 1px rgba(255, 107, 26, .28), 0 30px 70px -50px rgba(0, 0, 0, .9);
  overflow: hidden;
}

.page-faq .faq-stuck__band::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: linear-gradient(90deg, var(--green), var(--orange), var(--gold), var(--winter));
}

.page-faq .faq-stuck__copy h2 {
  margin: 0 0 14px;
  font-size: clamp(22px, 3.8vw, 34px);
  color: var(--cream);
  transform: skewX(-6deg);
  transform-origin: left center;
}

.page-faq .faq-stuck__copy p {
  margin: 0 0 28px;
  max-width: 44em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--text-on-dark);
}

.page-faq .faq-stuck__contacts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin: 0 0 26px;
  padding: 0;
}

.page-faq .faq-stuck__contacts > div {
  padding: 16px 20px;
  border-radius: var(--r-s);
  background: rgba(11, 27, 43, .68);
  border: 1px solid var(--line);
}

.page-faq .faq-stuck__contacts dt {
  margin-bottom: 6px;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-faq .faq-stuck__contacts dd {
  margin: 0;
  font-size: 16px;
  color: var(--cream);
}

.page-faq .faq-stuck__cta {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-stuck__cta a {
  color: var(--orange);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 4px;
  transition: color .3s var(--ease);
}

.page-faq .faq-stuck__cta a:hover {
  color: var(--gold);
}

/* ---------- 滚动显现协议 ---------- */

.page-faq [data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .6s var(--ease), transform .6s var(--ease);
}

.page-faq [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- 响应式 ---------- */

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

  .page-faq .faq-rail__step:last-child {
    grid-column: 1 / -1;
  }

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

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

@media (min-width: 900px) {
  .page-faq .faq-intro__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    gap: clamp(36px, 4vw, 64px);
  }

  .page-faq .faq-intro__visual {
    justify-self: end;
    max-width: 520px;
  }

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

  .page-faq .faq-rail__step:last-child {
    grid-column: auto;
  }

  .page-faq .faq-legacy__split {
    grid-template-columns: minmax(0, 1fr) minmax(0, .92fr);
  }

  .page-faq .faq-member__split {
    grid-template-columns: minmax(0, .88fr) minmax(0, 1.12fr);
  }

  .page-faq .faq-index__split {
    grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
  }

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

@media (min-width: 1160px) {
  .page-faq .faq-intro {
    padding-top: clamp(40px, 4vw, 72px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }

  .page-faq [data-reveal] {
    opacity: 1;
    transform: none;
  }

  .page-faq .btn:hover,
  .page-faq .faq-rail__step:hover,
  .page-faq .faq-member__tier:hover,
  .page-faq .faq-sub__card:hover {
    transform: none;
  }
}