.page-faq {
  --faq-cut: 14px;
  --faq-gap: clamp(18px, 3.6vw, 34px);
  background: var(--paper);
  color: var(--black);
  padding-bottom: clamp(44px, 7vw, 88px);
}

.page-faq .crumbs {
  padding: clamp(14px, 2.4vw, 22px) 0 clamp(10px, 1.6vw, 16px);
}

/* ---------- 首屏：切角深色带 + 索引 -------------------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--paper);
  padding: clamp(30px, 5.4vw, 62px) 0 clamp(38px, 6vw, 70px);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 calc(100% - 34px));
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 84% 14%, rgba(0, 180, 95, .32), transparent 56%),
    linear-gradient(126deg, rgba(255, 122, 26, .24) 0%, transparent 42%);
  pointer-events: none;
}

.page-faq .faq-hero-grid {
  position: relative;
  display: grid;
  gap: clamp(22px, 4vw, 40px);
  align-items: center;
}

.page-faq .faq-hero-copy h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 6.4vw, 58px);
  line-height: 1.08;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-faq .faq-lede {
  margin: 16px 0 0;
  max-width: 34em;
  font-size: clamp(15px, 1.8vw, 17px);
  line-height: 1.75;
  color: rgba(248, 251, 250, .86);
}

.page-faq .faq-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-tags a {
  display: inline-block;
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 700;
  color: var(--paper);
  text-decoration: none;
  background: rgba(248, 251, 250, .08);
  border: 1px solid var(--line-invert);
  clip-path: var(--clip-btn);
  transition: background .18s var(--ease), color .18s var(--ease);
}

.page-faq .faq-tags a:hover,
.page-faq .faq-tags a:focus-visible {
  background: var(--green);
  color: var(--ink);
  border-color: var(--green);
}

.page-faq .faq-hero-media {
  margin: 0;
  box-shadow: 0 18px 40px rgba(0, 0, 0, .28);
}

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

/* ---------- 双栏骨架 ---------------------------------- */
.page-faq .faq-layout {
  display: block;
  padding-top: var(--faq-gap);
}

.page-faq .faq-side {
  margin-bottom: var(--faq-gap);
}

.page-faq .faq-side-title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.page-faq .faq-toc ul {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
}

.page-faq .faq-toc a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  white-space: nowrap;
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
  background: var(--mist);
  border-left: 3px solid transparent;
  transition: background .18s var(--ease), border-color .18s var(--ease);
}

.page-faq .faq-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(37, 216, 206, .22);
}

.page-faq .faq-toc a:hover,
.page-faq .faq-toc a:focus-visible {
  background: #dbe6ec;
}

.page-faq .faq-toc a[aria-current="true"] {
  background: var(--ink);
  color: var(--paper);
  border-left-color: var(--green);
}

.page-faq .faq-toc a[aria-current="true"] .faq-dot {
  background: var(--green);
  box-shadow: 0 0 0 3px rgba(0, 180, 95, .28);
}

.page-faq .faq-side-card {
  display: none;
  margin-top: 22px;
  padding: 20px;
  background: var(--ink-2);
  color: var(--paper);
  clip-path: var(--clip-panel);
}

.page-faq .faq-side-card-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 800;
  color: var(--paper);
}

.page-faq .faq-side-card-text {
  margin: 8px 0 16px;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(248, 251, 250, .82);
}

/* ---------- 章节 -------------------------------------- */
.page-faq .faq-section {
  padding-bottom: clamp(28px, 4.4vw, 46px);
  margin-bottom: clamp(28px, 4.4vw, 46px);
  border-bottom: 1px solid var(--line-soft);
  scroll-margin-top: 90px;
}

.page-faq .faq-section:last-child {
  border-bottom: 0;
  margin-bottom: 0;
}

.page-faq .faq-section-head {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin-bottom: 18px;
}

.page-faq .faq-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--green);
  padding-top: 8px;
  border-top: 3px solid var(--orange);
}

.page-faq .faq-h {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 4.4vw, 38px);
  line-height: 1.15;
  letter-spacing: -.02em;
  color: var(--ink);
}

.page-faq .faq-section-lede {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink-3);
}

.page-faq .faq-sub {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 800;
  color: var(--ink);
}

/* ---------- 三格周期对照 ------------------------------ */
.page-faq .faq-cycle {
  display: grid;
  gap: 12px;
  margin-bottom: 22px;
}

.page-faq .faq-cycle-cell {
  padding: 18px;
  color: var(--paper);
  background: var(--ink);
  clip-path: var(--clip-panel);
}

.page-faq .faq-cycle-cell:nth-child(2) {
  background: var(--indigo);
}

.page-faq .faq-cycle-cell:nth-child(3) {
  background: var(--ink-2);
  border-left: 4px solid var(--orange);
}

.page-faq .faq-cycle-key {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: rgba(248, 251, 250, .66);
}

.page-faq .faq-cycle-num {
  margin: 8px 0 6px;
  font-family: var(--font-mono);
  font-size: clamp(20px, 4.6vw, 26px);
  font-weight: 700;
  line-height: 1.2;
  color: var(--cyan);
}

.page-faq .faq-cycle-num em {
  font-style: normal;
  font-size: .68em;
  color: var(--orange);
  margin-left: 2px;
}

.page-faq .faq-cycle-unit {
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: rgba(248, 251, 250, .8);
}

.page-faq .faq-figure {
  margin: 0 0 22px;
}

.page-faq .faq-figure .media-frame {
  box-shadow: 0 12px 26px rgba(11, 37, 64, .12);
}

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

.page-faq .faq-figure figcaption {
  margin-top: 10px;
  font-size: 13px;
  color: var(--ink-3);
  border-left: 3px solid var(--cyan);
  padding-left: 10px;
}

/* ---------- 折叠问答 ---------------------------------- */
.page-faq .faq-item {
  margin-top: 10px;
  background: var(--mist);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--faq-cut)), calc(100% - var(--faq-cut)) 100%, 0 100%);
  transition: background .18s var(--ease);
}

.page-faq .faq-item:hover {
  background: #dde7ed;
}

.page-faq .faq-item[open] {
  background: #ffffff;
  box-shadow: inset 4px 0 0 var(--green);
}

.page-faq .faq-q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 18px;
  cursor: pointer;
  font-size: clamp(15px, 2vw, 17px);
  font-weight: 700;
  line-height: 1.55;
  color: var(--ink);
  list-style: none;
}

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

.page-faq .faq-q::after {
  content: "+";
  margin-left: auto;
  flex: none;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--green);
}

.page-faq .faq-item[open] .faq-q::after {
  content: "−";
  color: var(--orange);
}

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

.page-faq .faq-a {
  padding: 0 18px 18px 18px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink-2);
  animation: faq-slide 240ms var(--ease) both;
}

.page-faq .faq-a p {
  margin: 0 0 10px;
}

.page-faq .faq-a p:last-child {
  margin-bottom: 0;
}

.page-faq .faq-a a {
  color: var(--green-deep);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

@keyframes faq-slide {
  from { opacity: 0; transform: translateX(-10px); }
  to { opacity: 1; transform: translateX(0); }
}

.page-faq .faq-note {
  margin: 14px 0 0;
  padding: 12px 14px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-2);
  background: var(--paper);
  border-left: 4px solid var(--orange);
}

/* ---------- 步骤 -------------------------------------- */
.page-faq .faq-steps {
  margin: 0 0 6px;
  padding: 0;
  list-style: none;
  counter-reset: faq-step;
}

.page-faq .faq-steps li {
  counter-increment: faq-step;
  position: relative;
  padding: 4px 0 12px 42px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--ink-2);
}

.page-faq .faq-steps li::before {
  content: counter(faq-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--orange);
}

/* ---------- 对照表 ------------------------------------ */
.page-faq .faq-table-wrap {
  overflow-x: auto;
  margin-bottom: 18px;
  border-left: 4px solid var(--green);
  background: #ffffff;
}

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

.page-faq .faq-table caption {
  text-align: left;
  padding: 12px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--ink-3);
  background: var(--mist);
}

.page-faq .faq-table th,
.page-faq .faq-table td {
  padding: 12px 14px;
  text-align: left;
  line-height: 1.6;
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-table thead th {
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: .02em;
  border-bottom: 0;
}

.page-faq .faq-table thead th:nth-child(3) {
  background: var(--indigo);
}

.page-faq .faq-table tbody th {
  font-weight: 700;
  color: var(--ink);
  background: var(--paper);
  white-space: nowrap;
}

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

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

/* ---------- 支持区 ------------------------------------ */
.page-faq .faq-support {
  display: grid;
  gap: 16px;
}

.page-faq .faq-support-col {
  padding: 20px;
  background: var(--paper);
  border: 1px solid var(--line-soft);
  clip-path: var(--clip-panel);
}

.page-faq .faq-support-col--card {
  background: var(--ink);
  border: 0;
  color: var(--paper);
}

.page-faq .faq-support-col--card .faq-sub {
  color: var(--paper);
}

.page-faq .faq-support-col--card .faq-note {
  background: rgba(248, 251, 250, .08);
  color: rgba(248, 251, 250, .88);
  border-left-color: var(--cyan);
}

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

.page-faq .faq-list li {
  position: relative;
  padding: 0 0 12px 18px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--ink-2);
}

.page-faq .faq-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 7px;
  height: 7px;
  background: var(--green);
  transform: rotate(45deg);
}

.page-faq .faq-support-col--card .contact-list {
  margin: 0 0 14px;
}

.page-faq .faq-support-col--card .contact-key {
  color: var(--cyan);
}

.page-faq .faq-support-col--card .contact-val {
  color: var(--paper);
}

.page-faq .faq-support-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 14px 0 0;
  font-size: 14px;
}

.page-faq .faq-support-links a {
  color: var(--green);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 2px solid var(--green);
  padding-bottom: 2px;
}

.page-faq .faq-support-links a:hover,
.page-faq .faq-support-links a:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

/* ---------- 响应式 ------------------------------------ */
@media (min-width: 600px) {
  .page-faq .faq-cycle {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: 1.15fr .85fr;
  }

  .page-faq .faq-side-card {
    display: block;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-layout {
    display: grid;
    grid-template-columns: 232px minmax(0, 1fr);
    gap: clamp(28px, 4vw, 54px);
    align-items: start;
  }

  .page-faq .faq-side {
    position: sticky;
    top: 92px;
    margin-bottom: 0;
  }

  .page-faq .faq-toc ul {
    display: block;
    overflow: visible;
    padding: 0;
  }

  .page-faq .faq-toc li + li {
    margin-top: 6px;
  }

  .page-faq .faq-toc a {
    white-space: normal;
    padding: 11px 14px;
    background: transparent;
    border-left: 3px solid var(--line-soft);
  }

  .page-faq .faq-toc a:hover {
    background: var(--mist);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-a {
    animation: none;
  }

  .page-faq .faq-tags a,
  .page-faq .faq-toc a,
  .page-faq .faq-item {
    transition: none;
  }
}
<<<PAGE_CSS_END>>>