.page-faq {
  --faq-rail: 236px;
  background: var(--paper);
  color: var(--ink);
  padding-bottom: clamp(56px, 8vw, 96px);
}

.page-faq .breadcrumb {
  padding-top: clamp(16px, 3vw, 26px);
}

/* ---------- 页头 ---------- */
.page-faq .faq-hero {
  padding: clamp(22px, 4vw, 40px) 0 clamp(28px, 4.5vw, 48px);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero .eyebrow {
  color: var(--green);
  letter-spacing: .16em;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(30px, 5.2vw, 60px);
  line-height: 1.1;
  letter-spacing: -.02em;
  margin: 14px 0 18px;
  max-width: 16em;
  text-wrap: balance;
}

.page-faq .faq-hero__lead {
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--ink-2);
  max-width: 34em;
  margin: 0;
}

.page-faq .faq-hero__meta {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 16px 14px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.page-faq .faq-hero__meta li {
  border-top: 3px solid var(--green);
  padding-top: 10px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-2);
  overflow-wrap: anywhere;
}

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

.page-faq .faq-k {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--ink-2);
  margin-bottom: 6px;
}

.page-faq .faq-hero__meta strong {
  font-family: var(--font-mono);
  font-size: 19px;
  color: var(--ink);
  margin-right: 4px;
}

/* ---------- 侧栏 + 文档网格 ---------- */
.page-faq .faq-shell {
  padding-top: clamp(28px, 4.5vw, 52px);
}

.page-faq .faq-rail {
  background: var(--paper-2);
  border-radius: var(--radius-lg);
  padding: 20px 18px 22px;
  margin-bottom: 26px;
}

.page-faq .faq-rail .eyebrow {
  margin: 0 0 14px;
  color: var(--ink-2);
  letter-spacing: .14em;
}

.page-faq .faq-rail__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-filter {
  appearance: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 15px;
  border: 1px solid var(--line);
  background: transparent;
  border-radius: var(--radius-pill);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  cursor: pointer;
  transition: background .16s var(--ease), border-color .16s var(--ease), color .16s var(--ease);
}

.page-faq .faq-filter:hover {
  background: rgba(15, 122, 67, .08);
  border-color: var(--green);
}

.page-faq .faq-filter[aria-pressed="true"] {
  background: var(--green);
  border-color: var(--green);
  color: #fff;
}

.page-faq .faq-filter:focus-visible {
  outline: 3px solid var(--amber);
  outline-offset: 2px;
}

.page-faq .faq-rail__count {
  margin: 16px 0 0;
  font-size: 13px;
  color: var(--ink-2);
  line-height: 1.6;
}

.page-faq .faq-rail__count span {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 15px;
  color: var(--orange);
}

.page-faq .faq-rail__tip {
  margin: 12px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line-strong);
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-2);
}

.page-faq .faq-rail__tip a,
.page-faq .faq-docs__head a {
  color: var(--green-dark);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-docs__head {
  margin-bottom: 18px;
}

.page-faq .faq-docs__head .index-num {
  color: var(--orange);
  letter-spacing: .2em;
}

.page-faq .faq-docs__head h2 {
  font-size: clamp(21px, 2.6vw, 28px);
  line-height: 1.3;
  letter-spacing: -.01em;
  margin: 8px 0 0;
}

.page-faq .faq-docs {
  display: grid;
  gap: 14px;
  grid-template-columns: minmax(0, 1fr);
}

.page-faq .faq-doc {
  border: 1px solid var(--line);
  border-left: 3px solid var(--line-strong);
  border-radius: var(--radius-md);
  background: var(--paper);
  padding: 16px 18px 14px;
  transition: background .18s var(--ease), border-color .18s var(--ease);
}

.page-faq .faq-doc:hover {
  background: #fff;
  border-color: var(--green);
  border-left-color: var(--orange);
}

.page-faq .faq-doc[hidden],
.page-faq .faq-doc[data-filtered="true"],
.page-faq .faq-doc[data-filtered="hidden"],
.page-faq .faq-doc[data-filtered="out"] {
  display: none;
}

.page-faq .faq-doc__no {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--orange);
}

.page-faq .faq-doc h3 {
  margin: 0 0 8px;
  font-size: 16px;
  line-height: 1.45;
  font-weight: 700;
}

.page-faq .faq-doc h3 a {
  color: var(--ink);
  text-decoration: none;
}

.page-faq .faq-doc h3 a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
  color: var(--green-dark);
}

.page-faq .faq-doc p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-2);
}

.page-faq .faq-doc__meta {
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: .02em;
  color: var(--ink-2);
  opacity: .9;
}

/* ---------- 步骤章节 ---------- */
.page-faq .faq-section {
  padding: clamp(34px, 5vw, 62px) 0 clamp(10px, 1.6vw, 18px);
  border-top: 1px solid var(--line);
  margin-top: clamp(24px, 4vw, 44px);
}

.page-faq .faq-section__head .index-num {
  color: var(--orange);
  letter-spacing: .2em;
  font-size: 13px;
}

.page-faq .faq-section__head h2 {
  font-size: clamp(23px, 3.2vw, 38px);
  line-height: 1.22;
  letter-spacing: -.015em;
  margin: 10px 0 14px;
  max-width: 20em;
}

.page-faq .faq-section__lead {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-2);
  max-width: 34em;
}

.page-faq .faq-steps {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
}

.page-faq .faq-steps > li {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 16px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

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

.page-faq .faq-step__no {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--green);
  border-top: 3px solid var(--orange);
  padding-top: 8px;
  align-self: start;
}

.page-faq .faq-step__body h3 {
  margin: 0 0 6px;
  font-size: 16px;
  line-height: 1.5;
}

.page-faq .faq-step__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-2);
  max-width: 33em;
}

.page-faq .faq-step__body a {
  color: var(--green-dark);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 配图 ---------- */
.page-faq .faq-figure {
  margin: 26px 0 0;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background:
    repeating-linear-gradient(135deg, rgba(15, 122, 67, .07) 0 10px, transparent 10px 20px),
    var(--paper-2);
  object-fit: cover;
}

.page-faq .faq-figure figcaption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-2);
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-q {
  margin-top: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: #fff;
  overflow: hidden;
}

.page-faq .faq-q summary {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 14px 16px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
  background: linear-gradient(90deg, var(--green-soft) 0%, rgba(216, 243, 227, .28) 100%);
  list-style: none;
}

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

.page-faq .faq-q summary::before {
  content: "+";
  flex: none;
  width: 16px;
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1.35;
  font-weight: 700;
  color: var(--green-dark);
}

.page-faq .faq-q[open] summary::before {
  content: "−";
}

.page-faq .faq-q summary:focus-visible {
  outline: 3px solid var(--amber);
  outline-offset: -3px;
}

.page-faq .faq-q p {
  margin: 0;
  padding: 14px 16px 16px 42px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-2);
}

.page-faq .faq-q p a {
  color: var(--green-dark);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 提醒与下载双栏 ---------- */
.page-faq .faq-pair {
  display: grid;
  gap: 22px;
  grid-template-columns: minmax(0, 1fr);
  margin-top: 24px;
}

.page-faq .faq-pair__col {
  background: var(--paper-2);
  border-radius: var(--radius-lg);
  padding: 22px 20px 24px;
}

.page-faq .faq-pair__col h3 {
  margin: 0 0 14px;
  font-size: 17px;
  line-height: 1.45;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--green);
}

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

.page-faq .faq-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-2);
}

.page-faq .faq-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 2px;
  background: var(--orange);
}

.page-faq .faq-list strong {
  color: var(--ink);
}

.page-faq .faq-note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--ink-2);
}

.page-faq .faq-note a,
.page-faq .faq-inline-link a {
  color: var(--green-dark);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-inline-link {
  margin: 20px 0 0;
  font-size: 14px;
  color: var(--ink-2);
}

/* ---------- 错误码深色面板 ---------- */
.page-faq .faq-codes {
  margin-top: clamp(30px, 4.5vw, 56px);
  padding: clamp(24px, 4vw, 44px);
  border-radius: var(--radius-lg);
  color: #EAF0E7;
  background-color: var(--navy);
  background-image:
    radial-gradient(120% 90% at 100% 0%, rgba(15, 122, 67, .38) 0%, rgba(11, 22, 32, 0) 62%),
    radial-gradient(80% 70% at 0% 100%, rgba(217, 79, 18, .22) 0%, rgba(11, 22, 32, 0) 60%);
}

.page-faq .faq-codes__head .eyebrow {
  color: var(--lime);
  letter-spacing: .16em;
  margin: 0 0 10px;
}

.page-faq .faq-codes__head h2 {
  margin: 0 0 10px;
  font-size: clamp(23px, 3.2vw, 36px);
  line-height: 1.24;
  color: #fff;
}

.page-faq .faq-codes__head p {
  margin: 0 0 22px;
  font-size: 15px;
  line-height: 1.75;
  color: #A9BFC4;
  max-width: 32em;
}

.page-faq .faq-codes__scroll {
  overflow-x: auto;
}

.page-faq .faq-codes__caption {
  caption-side: bottom;
  text-align: left;
  padding-top: 14px;
  font-size: 12px;
  color: #8AA0A8;
}

.page-faq .faq-codes table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-faq .faq-codes th {
  text-align: left;
  padding: 10px 12px;
  font-size: 11px;
  letter-spacing: .14em;
  font-weight: 600;
  color: #93AAB2;
  border-bottom: 1px solid rgba(255, 255, 255, .22);
}

.page-faq .faq-codes td {
  padding: 13px 12px;
  vertical-align: top;
  line-height: 1.7;
  color: #D6E2DE;
  border-bottom: 1px solid rgba(255, 255, 255, .10);
}

.page-faq .faq-codes td:first-child {
  font-family: var(--font-mono);
  font-weight: 700;
  white-space: nowrap;
  color: var(--lime);
}

.page-faq .faq-codes tbody tr:hover td {
  background: rgba(255, 255, 255, .05);
}

/* ---------- 联系支持 ---------- */
.page-faq .faq-contact {
  margin-top: clamp(30px, 4.5vw, 56px);
  border-radius: var(--radius-lg);
  padding: clamp(26px, 4vw, 46px);
  background-image: linear-gradient(160deg, var(--green-soft) 0%, rgba(244, 247, 242, .6) 58%, var(--paper-2) 100%);
  border: 1px solid rgba(15, 122, 67, .22);
}

.page-faq .faq-contact__inner {
  max-width: 40em;
}

.page-faq .faq-contact .eyebrow {
  color: var(--green-dark);
  letter-spacing: .16em;
  margin: 0 0 10px;
}

.page-faq .faq-contact h2 {
  margin: 0 0 18px;
  font-size: clamp(22px, 3vw, 34px);
  line-height: 1.28;
}

.page-faq .faq-contact__list {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-contact__list li {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 10px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink);
}

.page-faq .faq-contact__list span {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--orange);
}

.page-faq .faq-contact .btn {
  display: inline-block;
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-faq .faq-docs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 880px) {
  .page-faq .faq-pair {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 26px;
  }

  .page-faq .faq-q p {
    padding-left: 46px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-shell {
    display: grid;
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
    gap: clamp(28px, 4vw, 56px);
    align-items: start;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: 88px;
    margin-bottom: 0;
  }

  .page-faq .faq-rail__list {
    flex-direction: column;
    flex-wrap: nowrap;
  }

  .page-faq .faq-filter {
    width: 100%;
    justify-content: flex-start;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-codes table {
    min-width: 0;
  }

  .page-faq .faq-codes th,
  .page-faq .faq-codes td {
    padding-left: 16px;
    padding-right: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-doc,
  .page-faq .faq-filter {
    transition: none;
  }
}
<<<END>>>