.page-faq {
  --faq-dash: rgba(227, 176, 75, .5);
  --faq-shadow: 0 18px 44px -34px rgba(0, 0, 0, .95);
  overflow-x: clip;
  background: var(--ink);
  color: var(--mist);
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 6vw, 62px) 0 clamp(34px, 6vw, 76px);
  background:
    radial-gradient(120% 90% at 8% 0%, rgba(198, 242, 78, .09), transparent 60%),
    linear-gradient(180deg, var(--deep) 0%, var(--ink) 78%);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -20%;
  top: -12%;
  width: min(62vw, 640px);
  aspect-ratio: 1 / 1;
  background: repeating-linear-gradient(112deg, rgba(227, 176, 75, .16) 0 2px, transparent 2px 36px);
  transform: rotate(-7deg);
  pointer-events: none;
}

.page-faq .faq-hero .shell {
  position: relative;
  z-index: 1;
}

.page-faq .eyebrow {
  margin: clamp(20px, 4vw, 36px) 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-faq .faq-hero__title {
  margin: .16em 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(34px, 8vw, 82px);
  line-height: 1.04;
  letter-spacing: -.015em;
  color: var(--shine);
}

.page-faq .faq-hero .lead {
  max-width: 62ch;
  margin-top: clamp(16px, 3vw, 26px);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.82;
  color: rgba(237, 243, 238, .82);
}

.page-faq .faq-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 14px clamp(22px, 5vw, 56px);
  margin-top: clamp(24px, 5vw, 44px);
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.page-faq .faq-hero__stat {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.page-faq .faq-hero__stat b {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(21px, 3.2vw, 30px);
  line-height: 1;
  color: var(--lime);
}

.page-faq .faq-hero__stat span {
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--sage);
}

/* ---------- 章节公共 ---------- */

.page-faq .section {
  padding: clamp(42px, 7vw, 88px) 0;
}

.page-faq #lookup {
  background: var(--ink);
}

.page-faq #scenes {
  background: linear-gradient(180deg, var(--char) 0%, var(--ink) 88%);
}

.page-faq #faq {
  background: var(--ink);
}

.page-faq #terms {
  background: linear-gradient(180deg, var(--deep) 0%, var(--ink) 92%);
}

.page-faq #cheatsheet {
  background: var(--ink);
}

.page-faq #help {
  background: linear-gradient(180deg, var(--char) 0%, var(--ink) 100%);
}

.page-faq .section__no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .22em;
  color: var(--gold);
}

.page-faq .section__title {
  margin: .18em 0 0;
  font-family: var(--font-display);
  font-size: clamp(26px, 4.6vw, 46px);
  line-height: 1.14;
  letter-spacing: -.012em;
  color: var(--shine);
}

.page-faq .faq-intro {
  max-width: 66ch;
  margin: clamp(12px, 2vw, 18px) 0 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(237, 243, 238, .78);
}

/* ---------- 01 问题检索入口 ---------- */

.page-faq .jump-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-top: clamp(22px, 4vw, 36px);
}

.page-faq .jump {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-areas:
    "no title"
    ". scene";
  align-items: baseline;
  column-gap: 12px;
  row-gap: 5px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--gold);
  border-radius: var(--r-sm);
  background: rgba(18, 48, 41, .45);
  text-decoration: none;
  color: inherit;
  transition: border-color .18s ease, background-color .18s ease, transform .18s ease;
}

.page-faq .jump:hover,
.page-faq .jump:focus-visible {
  border-color: var(--line-strong);
  border-left-color: var(--lime);
  background: rgba(27, 59, 51, .72);
  transform: translateY(-2px);
}

.page-faq .jump__no {
  grid-area: no;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--gold);
}

.page-faq .jump__title {
  grid-area: title;
  font-size: 15px;
  line-height: 1.5;
  color: var(--mist);
}

.page-faq .jump__scene {
  grid-area: scene;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--sage);
}

/* ---------- 02 三类场景 ---------- */

.page-faq .faq-figure {
  margin: clamp(24px, 4vw, 42px) 0 0;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--char);
}

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

.page-faq .faq-scope {
  margin-top: clamp(26px, 4vw, 44px);
}

.page-faq .faq-filter {
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.page-faq .scene {
  margin-top: clamp(32px, 5vw, 56px);
}

.page-faq .scene__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--faq-dash);
}

.page-faq .scene__no {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .18em;
  color: var(--gold);
}

.page-faq .scene__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 3.4vw, 32px);
  letter-spacing: -.01em;
  color: var(--shine);
}

.page-faq .scene__count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--sage);
}

.page-faq .step-card {
  position: relative;
  margin-top: 26px;
  padding: clamp(18px, 3vw, 28px);
  background: rgba(17, 20, 19, .8);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  box-shadow: var(--faq-shadow);
}

.page-faq .step-card + .step-card::before {
  content: "";
  position: absolute;
  left: 32px;
  top: -26px;
  height: 26px;
  border-left: 1px dashed var(--faq-dash);
}

.page-faq .step-card__no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--gold);
}

.page-faq .step-card__title {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-size: clamp(18px, 2.4vw, 24px);
  line-height: 1.28;
  letter-spacing: -.008em;
  color: var(--shine);
}

.page-faq .step-card .tag-row {
  margin-top: 12px;
}

.page-faq .step-card__steps {
  counter-reset: faqstep;
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 11px;
}

.page-faq .step-card__steps > li {
  counter-increment: faqstep;
  position: relative;
  padding-left: 40px;
  font-size: 15.5px;
  line-height: 1.78;
  color: rgba(237, 243, 238, .87);
}

.page-faq .step-card__steps > li::before {
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  min-width: 26px;
  padding: 1px 4px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.5;
  color: var(--lime);
  border: 1px solid rgba(198, 242, 78, .35);
  border-radius: 4px;
}

/* ---------- 03 高频问题 ---------- */

.page-faq .faq-list {
  display: grid;
  gap: 12px;
  margin-top: clamp(22px, 4vw, 34px);
}

.page-faq .faq-item {
  background: var(--glass-bg);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
  backdrop-filter: blur(6px);
  transition: border-color .18s ease, background-color .18s ease;
}

.page-faq .faq-item:hover {
  border-color: var(--line-strong);
}

.page-faq .faq-item .collapse__head {
  display: block;
  width: 100%;
  padding: 17px 20px;
  text-align: left;
  font-family: var(--font-body);
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.62;
  color: var(--mist);
  background: transparent;
  border: 0;
  cursor: pointer;
}

.page-faq .faq-item .collapse__head:hover,
.page-faq .faq-item .collapse__head:focus-visible {
  color: var(--lime);
}

.page-faq .faq-item .collapse__body {
  padding: 0 20px 20px;
}

.page-faq .faq-item .collapse__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(237, 243, 238, .8);
}

/* ---------- 04 术语对照 ---------- */

.page-faq .terms {
  margin: clamp(22px, 4vw, 34px) 0 0;
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--line);
}

.page-faq .terms__item {
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.page-faq .terms__item dt {
  margin-bottom: 7px;
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: .06em;
  color: var(--lime);
}

.page-faq .terms__item dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.82;
  color: rgba(237, 243, 238, .82);
}

/* ---------- 05 速查卡 ---------- */

.page-faq .cheat-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: clamp(22px, 4vw, 34px);
}

.page-faq .cheat {
  padding: 20px 18px 18px;
  border: 1px solid var(--line);
  border-bottom: 3px solid var(--lime);
  border-radius: var(--r-md);
  background: linear-gradient(180deg, rgba(27, 59, 51, .66), rgba(17, 20, 19, .76));
}

.page-faq .cheat__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--lime);
}

.page-faq .cheat h3 {
  margin: 8px 0 7px;
  font-family: var(--font-display);
  font-size: 19px;
  letter-spacing: -.005em;
  color: var(--shine);
}

.page-faq .cheat p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.76;
  color: rgba(237, 243, 238, .78);
}

.page-faq .faq-figure--cheat {
  margin-top: clamp(22px, 3.5vw, 34px);
}

/* ---------- 06 收束 ---------- */

.page-faq .help-out {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 5vw, 54px);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-lg);
  background:
    linear-gradient(135deg, rgba(176, 64, 44, .3), rgba(10, 28, 24, .94) 48%),
    var(--char);
}

.page-faq .help-out::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--brick), var(--gold) 46%, var(--lime));
}

.page-faq .help-out__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 3.6vw, 36px);
  line-height: 1.22;
  letter-spacing: -.012em;
  color: var(--shine);
}

.page-faq .help-out__text {
  max-width: 58ch;
  margin: 14px 0 0;
  font-size: 15.5px;
  line-height: 1.82;
  color: rgba(237, 243, 238, .84);
}

.page-faq .help-out__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-faq .help-out__meta {
  margin: 18px 0 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--sage);
  overflow-wrap: anywhere;
}

.page-faq .help-out__links {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: rgba(237, 243, 238, .72);
}

.page-faq .help-out__links a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(198, 242, 78, .4);
}

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

/* ---------- 响应式 ---------- */

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

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

@media (min-width: 860px) {
  .page-faq .terms {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(28px, 5vw, 68px);
  }
}

@media (min-width: 980px) {
  .page-faq .jump-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-faq .scene .step-card {
    max-width: 880px;
  }
}

@media (max-width: 600px) {
  .page-faq .step-card + .step-card::before {
    left: 22px;
  }

  .page-faq .step-card__steps > li {
    padding-left: 36px;
    font-size: 15px;
  }

  .page-faq .scene__count {
    margin-left: 0;
  }
}

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

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