.page-faq {
  --faq-measure: 760px;
  --faq-sticky: 96px;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

.page-faq a {
  color: inherit;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: clamp(24px, 5vw, 56px) 0 clamp(32px, 5vw, 56px);
  background:
    radial-gradient(120% 90% at 94% -10%, rgba(30, 122, 75, 0.14), transparent 62%),
    radial-gradient(80% 70% at 0% 100%, rgba(228, 86, 31, 0.10), transparent 65%),
    linear-gradient(180deg, var(--paper) 0%, var(--paper-2) 100%);
  border-bottom: 1px solid var(--line);
}

.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--slate);
  margin-bottom: clamp(18px, 3vw, 28px);
}

.page-faq .breadcrumb a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 1px;
}

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

.page-faq .faq-hero-grid {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  align-items: start;
}

.page-faq .faq-hero-copy .mono-tag {
  display: inline-block;
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  padding: 5px 10px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--slate);
  background: var(--white);
}

.page-faq .faq-hero-copy h1 {
  margin: 0 0 18px;
  font-size: clamp(30px, 5vw, 54px);
  line-height: 1.12;
  font-weight: 800;
  letter-spacing: -0.02em;
  transform: rotate(-1.2deg);
  transform-origin: left center;
  max-width: 12em;
}

.page-faq .faq-lede {
  max-width: 34em;
  margin: 0 0 26px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-70);
}

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

.page-faq .faq-hero-side {
  background: var(--ink);
  color: var(--paper);
  border-radius: var(--radius);
  padding: clamp(20px, 3vw, 28px);
  box-shadow: var(--shadow);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}

.page-faq .faq-hero-side .mono-tag--dark {
  display: block;
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--neon);
}

.page-faq .stat-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .stat-list li {
  display: grid;
  gap: 3px;
  padding-bottom: 13px;
  border-bottom: 1px dashed var(--line-bone);
}

.page-faq .stat-list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-faq .stat-num {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--neon);
}

.page-faq .stat-label {
  font-size: 13px;
  line-height: 1.6;
  color: var(--bone-70);
}

/* ---------- 三个入口卡 ---------- */
.page-faq .quick-row {
  display: grid;
  gap: 16px;
  margin-top: clamp(30px, 5vw, 52px);
}

.page-faq .quick-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px 22px 24px;
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%);
  transition: transform 220ms var(--ease), box-shadow 220ms var(--ease), border-color 220ms var(--ease);
}

.page-faq .quick-card:hover,
.page-faq .quick-card:focus-visible {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.page-faq .quick-kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  opacity: 0.78;
}

.page-faq .quick-card strong {
  font-size: 19px;
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.01em;
}

.page-faq .quick-text {
  font-size: 14px;
  line-height: 1.7;
  opacity: 0.86;
}

.page-faq .quick-card--a {
  background: var(--ink);
  color: var(--paper);
  border-color: transparent;
}

.page-faq .quick-card--a .quick-kicker {
  color: var(--neon);
  opacity: 1;
}

.page-faq .quick-card--b {
  background: var(--grass);
  color: var(--paper);
  border-color: transparent;
}

.page-faq .quick-card--c {
  background: var(--white);
  border: 1px solid var(--clay);
}

.page-faq .quick-card--c .quick-kicker {
  color: var(--clay);
  opacity: 1;
}

.page-faq .faq-strip {
  height: 10px;
  background: linear-gradient(90deg, var(--grass) 0 34%, var(--orange) 34% 67%, var(--neon) 67% 100%);
}

/* ---------- 主体布局 ---------- */
.page-faq .faq-body {
  max-width: var(--shell);
  margin: 0 auto;
  padding: clamp(32px, 5vw, 64px) var(--pad) clamp(48px, 7vw, 96px);
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
}

.page-faq .faq-nav-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--slate);
  text-transform: uppercase;
}

.page-faq .faq-nav ul {
  list-style: none;
  margin: 0;
  padding: 0 0 4px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-faq .faq-nav ul::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-nav a {
  display: block;
  white-space: nowrap;
  padding: 8px 14px;
  font-size: 14px;
  text-decoration: none;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  color: var(--ink);
  background: var(--white);
  transition: background 200ms var(--ease), color 200ms var(--ease), border-color 200ms var(--ease);
}

.page-faq .faq-nav a:hover,
.page-faq .faq-nav a:focus-visible {
  background: var(--grass);
  border-color: var(--grass);
  color: var(--paper);
}

.page-faq .faq-main {
  min-width: 0;
  display: grid;
  gap: clamp(24px, 4vw, 40px);
}

/* ---------- 问答分组 ---------- */
.page-faq .qa-group {
  scroll-margin-top: var(--faq-sticky);
  padding: clamp(20px, 3.4vw, 36px);
  border-radius: var(--radius);
  background: var(--white);
  border: 1px solid var(--line);
}

.page-faq .qa-group--dark {
  background: var(--ink);
  border-color: transparent;
  color: var(--paper);
  border-radius: var(--radius);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 28px), calc(100% - 28px) 100%, 0 100%);
}

.page-faq .qa-group--field {
  background: var(--field);
  border-color: rgba(16, 28, 51, 0.10);
}

.page-faq .qa-group--grass {
  background: var(--grass);
  border-color: transparent;
  color: var(--paper);
}

.page-faq .qa-kicker {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--slate);
}

.page-faq .qa-group--dark .qa-kicker {
  color: var(--neon);
}

.page-faq .qa-group--grass .qa-kicker {
  color: rgba(247, 242, 230, 0.78);
}

.page-faq .qa-head h2 {
  margin: 0 0 12px;
  font-size: clamp(22px, 3.2vw, 32px);
  font-weight: 800;
  letter-spacing: -0.015em;
  line-height: 1.25;
}

.page-faq .qa-intro {
  margin: 0 0 clamp(16px, 2.6vw, 24px);
  max-width: 34em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-70);
}

.page-faq .qa-group--dark .qa-intro {
  color: var(--bone-70);
}

.page-faq .qa-group--grass .qa-intro {
  color: rgba(247, 242, 230, 0.86);
}

.page-faq .qa-media {
  margin: 0 0 clamp(18px, 3vw, 28px);
}

.page-faq .qa-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
  object-fit: cover;
}

.page-faq .qa-media figcaption {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--slate);
}

.page-faq .qa-group--dark .qa-media figcaption {
  color: var(--bone-70);
}

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

.page-faq .qa-item:first-of-type {
  border-top: 0;
}

.page-faq .qa-group--dark .qa-item {
  border-top-color: var(--line-bone);
}

.page-faq .qa-group--grass .qa-item {
  border-top-color: rgba(247, 242, 230, 0.26);
}

.page-faq .qa-item summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 17px 0;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
}

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

.page-faq .qa-item summary::marker {
  content: "";
}

.page-faq .qa-item summary::after {
  content: "+";
  margin-left: auto;
  padding-left: 14px;
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--clay);
}

.page-faq .qa-item[open] summary::after {
  content: "−";
}

.page-faq .qa-group--dark .qa-item summary::after {
  color: var(--neon);
}

.page-faq .qa-group--grass .qa-item summary::after {
  color: var(--neon);
}

.page-faq .qa-item summary:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 3px;
  border-radius: 4px;
}

.page-faq .qa-num {
  flex: none;
  margin-top: 3px;
  padding: 3px 8px;
  border-radius: 6px;
  background: var(--paper-2);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  transition: background 200ms var(--ease), color 200ms var(--ease);
}

.page-faq .qa-item[open] .qa-num {
  background: var(--neon);
  color: var(--ink);
}

.page-faq .qa-group--dark .qa-num {
  background: rgba(247, 242, 230, 0.16);
  color: var(--paper);
}

.page-faq .qa-group--grass .qa-num {
  background: rgba(247, 242, 230, 0.22);
  color: var(--paper);
}

.page-faq .qa-group--dark .qa-item[open] .qa-num,
.page-faq .qa-group--grass .qa-item[open] .qa-num {
  background: var(--neon);
  color: var(--ink);
}

.page-faq .qa-answer {
  margin: 0 0 16px 8px;
  padding: 2px 0 2px 14px;
  border-left: 2px solid var(--field);
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-70);
}

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

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

.page-faq .qa-group--dark .qa-answer {
  border-left-color: rgba(217, 242, 75, 0.55);
  color: var(--bone-70);
}

.page-faq .qa-group--grass .qa-answer {
  border-left-color: rgba(217, 242, 75, 0.7);
  color: rgba(247, 242, 230, 0.9);
}

/* ---------- 联系区块 ---------- */
.page-faq .contact-channels {
  list-style: none;
  margin: 0 0 clamp(22px, 3.4vw, 32px);
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .contact-channels li {
  display: grid;
  gap: 4px;
  padding: 16px 18px;
  border-radius: var(--radius-sm);
  background: rgba(247, 242, 230, 0.12);
  border-left: 3px solid var(--neon);
}

.page-faq .ch-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: rgba(247, 242, 230, 0.72);
}

.page-faq .ch-value {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--paper);
  text-decoration: none;
  word-break: break-word;
}

.page-faq .ch-value[href]:hover {
  color: var(--neon);
}

.page-faq .ch-note {
  font-size: 13px;
  line-height: 1.7;
  color: rgba(247, 242, 230, 0.82);
}

.page-faq .feedback-block h3 {
  margin: 0 0 12px;
  font-size: 17px;
  font-weight: 700;
}

.page-faq .feedback-list {
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-faq .feedback-list li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(247, 242, 230, 0.9);
}

.page-faq .feedback-list li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--neon);
}

.page-faq .feedback-tail {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: rgba(247, 242, 230, 0.9);
}

.page-faq .feedback-tail a {
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid rgba(217, 242, 75, 0.8);
  padding-bottom: 1px;
}

.page-faq .feedback-tail a:hover {
  color: var(--neon);
}

.page-faq .faq-ruler {
  position: relative;
  height: 12px;
  margin: clamp(26px, 4vw, 40px) 0 clamp(16px, 2.4vw, 22px);
  background:
    repeating-linear-gradient(90deg, rgba(247, 242, 230, 0.55) 0 1px, transparent 1px 16px) left bottom / 100% 6px no-repeat,
    linear-gradient(rgba(247, 242, 230, 0.55), rgba(247, 242, 230, 0.55)) left bottom / 100% 1px no-repeat;
}

.page-faq .faq-ruler::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -2px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--neon);
}

.page-faq .faq-back {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(247, 242, 230, 0.9);
}

.page-faq .faq-back a {
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid rgba(217, 242, 75, 0.8);
  padding-bottom: 1px;
}

.page-faq .faq-back a:hover {
  color: var(--neon);
}

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

  .page-faq .quick-card--c {
    grid-column: span 2;
  }

  .page-faq .qa-answer {
    margin-left: 42px;
  }

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

  .page-faq .contact-channels li:first-child {
    grid-column: span 2;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: clamp(32px, 5vw, 64px);
  }

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

  .page-faq .quick-card--c {
    grid-column: auto;
  }

  .page-faq .quick-card--a {
    margin-top: 0;
  }

  .page-faq .quick-card--b {
    margin-top: 22px;
  }

  .page-faq .quick-card--c {
    margin-top: 44px;
  }

  .page-faq .faq-body {
    grid-template-columns: 188px minmax(0, 1fr);
    gap: clamp(32px, 4vw, 56px);
  }

  .page-faq .faq-nav {
    position: sticky;
    top: var(--faq-sticky);
  }

  .page-faq .faq-nav ul {
    flex-direction: column;
    overflow: visible;
    gap: 4px;
    padding-bottom: 0;
  }

  .page-faq .faq-nav a {
    border: 0;
    border-left: 3px solid transparent;
    border-radius: 0 999px 999px 0;
    padding: 9px 14px;
    background: transparent;
    font-size: 14px;
  }

  .page-faq .faq-nav a:hover,
  .page-faq .faq-nav a:focus-visible {
    background: rgba(30, 122, 75, 0.10);
    border-left-color: var(--orange);
    color: var(--ink);
  }

  .page-faq .qa-head h2 {
    max-width: 16em;
  }
}

@media (min-width: 1080px) {
  .page-faq .qa-group {
    padding-left: clamp(28px, 3.4vw, 44px);
    padding-right: clamp(28px, 3.4vw, 44px);
  }

  .page-faq .qa-answer,
  .page-faq .qa-intro {
    max-width: 44em;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .quick-card,
  .page-faq .qa-num,
  .page-faq .faq-nav a {
    transition: none;
  }

  .page-faq .quick-card:hover,
  .page-faq .quick-card:focus-visible {
    transform: none;
  }

  .page-faq .faq-hero-copy h1 {
    transform: none;
  }
}
<<<END>>>