/* =========================================================
   万博 · 常见问答（/faqs/）页面专属样式
   作用域：.page-faq
   ========================================================= */

.page-faq {
  --faq-radius: 14px;
  --faq-bar: 4px;
  --faq-group-gap: 72px;
  display: block;
  padding-bottom: 96px;
}

/* --- 区间色彩协议：页面内自足定义，避免依赖外部注入 --- */
.page-faq [data-range="r1"] { --rc: var(--r1); }
.page-faq [data-range="r2"] { --rc: var(--r2); }
.page-faq [data-range="r3"] { --rc: var(--r3); }
.page-faq [data-range="r4"] { --rc: var(--r4); }
.page-faq [data-range="r5"] { --rc: var(--r5); }
.page-faq [data-range="r6"] { --rc: var(--r6); }

/* =========================================================
   首屏
   ========================================================= */

.page-faq .faq-hero {
  position: relative;
  padding: 24px 0 68px;
  background:
    radial-gradient(52% 62% at 86% 4%, rgba(0, 229, 255, 0.15), transparent 70%),
    radial-gradient(46% 56% at 4% 68%, rgba(255, 45, 149, 0.10), transparent 72%);
}

.page-faq .breadcrumb { margin-bottom: 30px; }

.page-faq .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 16px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-faq .breadcrumb-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.page-faq .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  color: var(--line-scale);
}

.page-faq .breadcrumb-item a {
  color: var(--muted);
  text-decoration: none;
  transition: color 180ms var(--ease-out);
}

.page-faq .breadcrumb-item a:hover,
.page-faq .breadcrumb-item a:focus-visible { color: var(--cyan); }

.page-faq .breadcrumb-item [aria-current="page"] { color: var(--paper); }

.page-faq .faq-hero-grid {
  display: grid;
  gap: 36px;
}

.page-faq .faq-kicker {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 16px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-faq .faq-title {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(30px, 5.6vw, 52px);
  line-height: 1.2;
  letter-spacing: 0.03em;
  color: var(--paper);
  max-width: 17em;
  overflow-wrap: break-word;
}

.page-faq .faq-lede {
  margin: 0;
  font-size: 16px;
  line-height: 28px;
  color: var(--muted);
  max-width: 36em;
}

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

.page-faq .faq-anchor {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 14px 18px;
  border-left: 3px solid var(--rc, var(--cyan));
  border-radius: 0 10px 10px 0;
  background: var(--glass);
}

.page-faq .anchor-num {
  flex: 0 0 auto;
  font-size: clamp(16px, 3.4vw, 20px);
  line-height: 1.2;
  letter-spacing: 0;
  color: var(--rc, var(--cyan));
}

.page-faq .anchor-text {
  font-size: 14px;
  line-height: 24px;
  color: var(--muted);
}

/* =========================================================
   分组骨架
   ========================================================= */

.page-faq .faq-body { padding-top: 0; }

.page-faq .faq-group { scroll-margin-top: 96px; }

.page-faq .faq-group + .faq-group { margin-top: var(--faq-group-gap); }

.page-faq .group-head {
  position: relative;
  padding-left: 20px;
  margin-bottom: 26px;
}

.page-faq .group-bar {
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: var(--faq-bar);
  border-radius: 2px;
  background: var(--rc, var(--cyan));
  box-shadow: 0 0 14px -2px var(--rc, var(--cyan));
}

.page-faq .group-eyebrow {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 16px;
  letter-spacing: 0.24em;
  color: var(--rc, var(--cyan));
  opacity: 0.9;
}

.page-faq .group-title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 3.6vw, 32px);
  line-height: 1.32;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-faq .group-sub {
  margin: 0;
  font-size: 14px;
  line-height: 24px;
  color: var(--muted);
  max-width: 48em;
}

/* =========================================================
   可折叠问答条目（原生 details，无脚本也可用）
   ========================================================= */

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

.page-faq .faq-item {
  border: 1px solid var(--line-scale);
  border-radius: var(--faq-radius);
  background: var(--ink-cabin);
  transition: border-color 180ms var(--ease-out), box-shadow 180ms var(--ease-out);
}

.page-faq .faq-item[open] {
  border-color: var(--rc, var(--cyan));
  box-shadow: 0 0 12px -5px var(--rc, var(--cyan));
}

.page-faq .faq-q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 17px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 500;
  line-height: 26px;
  color: var(--paper);
  transition: color 180ms var(--ease-out);
}

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

.page-faq .faq-q::before {
  content: "";
  flex: 0 0 auto;
  width: 6px;
  height: 6px;
  margin-top: 10px;
  border-radius: 50%;
  background: var(--rc, var(--cyan));
  opacity: 0.6;
  transition: opacity 180ms var(--ease-out), box-shadow 180ms var(--ease-out);
}

.page-faq .faq-item[open] > .faq-q::before {
  opacity: 1;
  box-shadow: 0 0 9px 0 var(--rc, var(--cyan));
}

.page-faq .faq-q::after {
  content: "+";
  margin-left: auto;
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 22px;
  line-height: 26px;
  letter-spacing: 0;
  color: var(--rc, var(--cyan));
  opacity: 0.75;
  transition: opacity 180ms var(--ease-out);
}

.page-faq .faq-item[open] > .faq-q::after {
  content: "−";
  opacity: 1;
}

.page-faq .faq-q:hover { color: var(--cyan); }

.page-faq .faq-a {
  padding: 0 18px 20px 36px;
  font-size: 15px;
  line-height: 27px;
  color: var(--muted);
  animation: faq-open 280ms var(--ease-out) both;
}

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

.page-faq .faq-a a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 255, 0.35);
}

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

@keyframes faq-open {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: none; }
}

/* =========================================================
   客服联系面板
   ========================================================= */

.page-faq .service-panel {
  margin-top: 26px;
  padding: 22px 20px;
  border: 1px solid var(--line-scale);
  border-left: 3px solid var(--r5);
  border-radius: 0 12px 12px 0;
  background: var(--glass);
}

.page-faq .service-line {
  margin: 0 0 8px;
  font-size: 15px;
  line-height: 26px;
  color: var(--paper);
}

.page-faq .service-line a {
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 194, 75, 0.4);
}

.page-faq .service-line a:hover,
.page-faq .service-line a:focus-visible { border-bottom-color: var(--amber); }

.page-faq .service-line .mono {
  font-size: 15px;
  letter-spacing: 0.02em;
  color: var(--amber);
}

.page-faq .service-note {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 23px;
  color: var(--muted);
}

.page-faq .service-note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 255, 0.3);
}

.page-faq .service-note a:hover,
.page-faq .service-note a:focus-visible { border-bottom-color: var(--cyan); }

/* =========================================================
   术语对照
   ========================================================= */

.page-faq .glossary {
  margin: 28px 0 0;
  padding: 0;
  border-top: 1px solid var(--line-scale);
}

.page-faq .glossary-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px 24px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line-scale);
  transition: background-color 180ms var(--ease-out);
}

.page-faq .glossary-term {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-size: 15px;
  font-weight: 500;
  line-height: 24px;
  color: var(--paper);
}

.page-faq .glossary-term::before {
  content: "";
  flex: 0 0 auto;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--rc, var(--line-scale));
  transition: box-shadow 180ms var(--ease-out);
}

.page-faq .glossary-row:hover .glossary-term::before {
  box-shadow: 0 0 9px 0 var(--rc, var(--line-scale));
}

.page-faq .glossary-def {
  margin: 0;
  padding-left: 16px;
  font-size: 13px;
  line-height: 22px;
  letter-spacing: 0;
  color: var(--muted);
}

.page-faq .glossary-tail {
  margin: 24px 0 0;
  font-size: 13px;
  line-height: 24px;
  color: var(--muted);
}

.page-faq .glossary-tail a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 255, 0.3);
}

.page-faq .glossary-tail a:hover,
.page-faq .glossary-tail a:focus-visible { border-bottom-color: var(--cyan); }

/* =========================================================
   右缘分组刻度尺
   ========================================================= */

.page-faq .faq-scale { display: none; }

/* =========================================================
   平板与桌面
   ========================================================= */

@media (min-width: 720px) {
  .page-faq .faq-hero { padding: 32px 0 84px; }

  .page-faq .faq-group + .faq-group { margin-top: 96px; }

  .page-faq .group-head { padding-left: 26px; margin-bottom: 30px; }

  .page-faq .faq-q { padding: 19px 24px; gap: 14px; }

  .page-faq .faq-a { padding: 0 60px 22px 44px; }

  .page-faq .glossary-row {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.35fr);
    align-items: baseline;
  }

  .page-faq .glossary-def { padding-left: 0; }

  .page-faq .service-panel { padding: 26px 28px; }
}

@media (min-width: 900px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1.22fr) minmax(0, 0.78fr);
    gap: 0 56px;
    align-items: end;
  }

  .page-faq .faq-anchors { padding-bottom: 6px; }
}

@media (min-width: 1400px) {
  .page-faq .faq-scale {
    position: fixed;
    right: 30px;
    top: 50%;
    z-index: var(--z-tool);
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 12px;
    transform: translateY(-50%);
  }

  .page-faq .scale-tick {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 5px 8px;
    border-radius: 20px;
    text-decoration: none;
    transition: background-color 180ms var(--ease-out);
  }

  .page-faq .scale-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--rc, var(--line-scale));
    opacity: 0.5;
    transition: opacity 180ms var(--ease-out), box-shadow 180ms var(--ease-out);
  }

  .page-faq .scale-label {
    font-size: 11px;
    line-height: 16px;
    color: var(--muted);
    opacity: 0;
    transform: translateX(4px);
    transition: opacity 180ms var(--ease-out), transform 180ms var(--ease-out);
  }

  .page-faq .scale-tick:hover .scale-dot,
  .page-faq .scale-tick:focus-visible .scale-dot {
    opacity: 1;
    box-shadow: 0 0 10px 0 var(--rc, var(--line-scale));
  }

  .page-faq .scale-tick:hover .scale-label,
  .page-faq .scale-tick:focus-visible .scale-label {
    opacity: 1;
    transform: translateX(0);
  }
}

/* =========================================================
   动效降级
   ========================================================= */

@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}
<<<END>>>