.page-faq {
  --faq-line: rgba(16, 24, 32, .12);
  --faq-line-dark: rgba(246, 243, 236, .16);
  --faq-body-text: #3B4750;
  display: block;
  background: var(--cream);
  color: var(--charcoal);
  font-family: var(--font-sans);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 5vw, 52px) 0 clamp(46px, 7vw, 88px);
  background:
    radial-gradient(90% 130% at 88% 0%, rgba(255, 122, 47, .30), transparent 56%),
    radial-gradient(70% 110% at 4% 100%, rgba(79, 158, 99, .20), transparent 58%),
    linear-gradient(158deg, var(--ink-deep) 0%, var(--ink-mid) 60%, #0C2430 100%);
  color: var(--cream);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: -12%;
  bottom: -22%;
  width: 124%;
  height: 42%;
  background: linear-gradient(90deg, rgba(255, 179, 122, .16), rgba(143, 180, 196, .10) 58%, transparent);
  border-radius: 50% 50% 0 0 / 100% 100% 0 0;
  transform: rotate(-4deg);
  pointer-events: none;
}

.page-faq .faq-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
}

.page-faq .faq-hero .breadcrumbs {
  color: var(--sand);
  font-size: 13px;
}

.page-faq .faq-hero .breadcrumbs a {
  color: var(--sand);
  text-decoration: none;
}

.page-faq .faq-hero .breadcrumbs a:hover {
  color: var(--flame-soft);
}

.page-faq .faq-hero .breadcrumbs__current {
  color: var(--cream);
}

.page-faq .faq-hero .eyebrow {
  margin: 18px 0 0;
  color: var(--flame-soft);
}

.page-faq .faq-hero h1 {
  margin: 10px 0 0;
  font-size: clamp(28px, 4.4vw, 50px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-weight: 900;
  color: var(--cream);
}

.page-faq .faq-hero__lead {
  margin: 18px 0 0;
  max-width: 46ch;
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.75;
  color: rgba(246, 243, 236, .9);
}

.page-faq .faq-hero__note {
  margin: 12px 0 0;
  max-width: 48ch;
  font-size: 14px;
  line-height: 1.7;
  color: var(--sand);
  padding-left: 14px;
  border-left: 2px solid var(--flame);
}

.page-faq .faq-hero__figure {
  margin: 0;
}

.page-faq .faq-hero__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 1px solid var(--faq-line-dark);
  box-shadow: 0 30px 60px -34px rgba(0, 0, 0, .85);
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-body {
  background: var(--cream);
  padding: clamp(38px, 6vw, 72px) 0 clamp(48px, 7vw, 96px);
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3vw, 44px);
  align-items: start;
}

/* ---------- 分类胶囊 ---------- */
.page-faq .faq-side__title {
  margin: 0 0 12px;
  font-size: 13px;
  letter-spacing: .08em;
  font-weight: 700;
  color: var(--flame-ink);
  text-transform: uppercase;
}

.page-faq .faq-nav {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-nav__link {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--faq-line);
  background: #fff;
  color: var(--charcoal);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-faq .faq-nav__link span {
  font-family: var(--font-num);
  font-size: 12px;
  font-weight: 700;
  color: rgba(16, 24, 32, .42);
}

.page-faq .faq-nav__link:hover,
.page-faq .faq-nav__link:focus-visible,
.page-faq .faq-nav__link[data-active] {
  border-color: var(--flame);
  background: #FFF1E6;
  color: var(--flame-ink);
}

.page-faq .faq-nav__link[data-active] span,
.page-faq .faq-nav__link:hover span {
  color: var(--flame-ink);
}

.page-faq .faq-side__tip {
  display: none;
  margin-top: 20px;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  background: rgba(18, 61, 82, .06);
  border: 1px solid rgba(18, 61, 82, .10);
}

.page-faq .faq-side__tip p {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--faq-body-text);
}

/* ---------- 问答分组 ---------- */
.page-faq .faq-block + .faq-block {
  margin-top: clamp(38px, 5vw, 68px);
}

.page-faq .faq-block__head {
  padding-bottom: 16px;
  margin-bottom: 18px;
  border-bottom: 2px solid rgba(16, 24, 32, .10);
  position: relative;
}

.page-faq .faq-block__head::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 72px;
  height: 2px;
  background: var(--flame);
}

.page-faq .faq-block__head .eyebrow {
  margin: 0;
  color: var(--flame-ink);
}

.page-faq .faq-block__head h2 {
  margin: 6px 0 0;
  font-size: clamp(22px, 2.6vw, 32px);
  line-height: 1.16;
  letter-spacing: -0.02em;
  font-weight: 900;
  color: var(--ink-deep);
}

.page-faq .faq-block__lead {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--faq-body-text);
}

/* ---------- 折叠问答 ---------- */
.page-faq .qa-list {
  display: grid;
  gap: 10px;
}

.page-faq .qa {
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-md);
  background: #fff;
  overflow: hidden;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-faq .qa:hover {
  border-color: rgba(30, 85, 104, .35);
}

.page-faq .qa[open] {
  border-color: rgba(255, 122, 47, .55);
  box-shadow: 0 20px 40px -32px rgba(5, 18, 26, .7);
}

.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--charcoal);
}

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

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

.page-faq .qa__num {
  flex: 0 0 auto;
  font-family: var(--font-num);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: .02em;
  line-height: 1.45;
  color: var(--flame);
}

.page-faq .qa__label {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .qa__icon {
  flex: 0 0 auto;
  position: relative;
  width: 22px;
  height: 22px;
  margin-top: 3px;
  border-radius: 50%;
  border: 1.5px solid var(--ink-line);
  color: var(--ink-line);
  transition: transform var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .qa__icon::before,
.page-faq .qa__icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: currentColor;
  border-radius: 2px;
  transform: translate(-50%, -50%);
}

.page-faq .qa__icon::before {
  width: 10px;
  height: 1.5px;
}

.page-faq .qa__icon::after {
  width: 1.5px;
  height: 10px;
  transition: opacity var(--dur) var(--ease);
}

.page-faq .qa[open] .qa__icon {
  color: var(--flame);
  border-color: var(--flame);
  transform: rotate(90deg);
}

.page-faq .qa[open] .qa__icon::after {
  opacity: 0;
}

.page-faq .qa__a {
  padding: 2px 18px 18px 50px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--faq-body-text);
}

.page-faq .qa__a p {
  margin: 0 0 8px;
}

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

.page-faq .qa__lead {
  font-weight: 700;
  color: var(--charcoal);
}

.page-faq .qa__a a {
  color: var(--flame-ink);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid rgba(180, 84, 27, .35);
}

.page-faq .qa__a a:hover {
  border-bottom-color: var(--flame-ink);
}

/* ---------- 更新节奏 ---------- */
.page-faq .faq-rhythm {
  margin: clamp(40px, 6vw, 76px) 0;
  padding: clamp(32px, 5vw, 60px) 0 clamp(30px, 4vw, 52px);
  border-radius: clamp(20px, 3vw, 32px);
  color: var(--cream);
  background:
    radial-gradient(78% 130% at 100% 0%, rgba(255, 122, 47, .22), transparent 60%),
    linear-gradient(180deg, var(--ink-mid), #0C2430);
  overflow: hidden;
}

.page-faq .faq-rhythm__head {
  margin-bottom: clamp(18px, 3vw, 28px);
}

.page-faq .faq-rhythm__head .eyebrow {
  margin: 0;
  color: var(--flame-soft);
}

.page-faq .faq-rhythm__head h2 {
  margin: 6px 0 0;
  font-size: clamp(22px, 2.8vw, 34px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  font-weight: 900;
  color: var(--cream);
}

.page-faq .faq-rhythm__head p {
  margin: 12px 0 0;
  max-width: 58ch;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--sand);
}

.page-faq .faq-rhythm__figure {
  margin: 0 0 clamp(20px, 3vw, 30px);
}

.page-faq .faq-rhythm__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-md);
  border: 1px solid var(--faq-line-dark);
}

.page-faq .faq-rhythm__track {
  overflow-x: auto;
  padding: 6px 0 12px;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-rhythm__track:focus-visible {
  outline: 2px solid var(--flame);
  outline-offset: 4px;
  border-radius: var(--radius-sm);
}

.page-faq .faq-rhythm__list {
  display: flex;
  margin: 0;
  padding: 0;
  list-style: none;
  min-width: 700px;
}

.page-faq .rhythm-node {
  position: relative;
  flex: 1 1 0;
  min-width: 168px;
  padding: 34px 18px 0 0;
  scroll-snap-align: start;
}

.page-faq .rhythm-node::before {
  content: "";
  position: absolute;
  top: 11px;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, rgba(255, 179, 122, .75), rgba(143, 180, 196, .35));
}

.page-faq .rhythm-node:last-child::before {
  background: linear-gradient(90deg, rgba(255, 179, 122, .75), rgba(143, 180, 196, .04));
}

.page-faq .rhythm-node::after {
  content: "";
  position: absolute;
  top: 4px;
  left: 0;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--flame);
  border: 3px solid #0C2430;
}

.page-faq .rhythm-node__when {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-num);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--flame-soft);
}

.page-faq .rhythm-node__what {
  display: block;
  margin-bottom: 5px;
  font-size: 16px;
  font-weight: 800;
  color: var(--cream);
  line-height: 1.4;
}

.page-faq .rhythm-node__desc {
  display: block;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--sand);
}

/* ---------- 术语词典 ---------- */
.page-faq .glossary-list {
  border-top: 1px solid var(--faq-line);
}

.page-faq .glossary-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 18px 12px 18px 0;
  border-bottom: 1px solid var(--faq-line);
  transition: background var(--dur) var(--ease);
}

.page-faq .glossary-row:hover {
  background: rgba(255, 122, 47, .07);
}

.page-faq .glossary-row__term {
  position: relative;
  margin: 0;
  padding-left: 14px;
  font-size: 17px;
  font-weight: 800;
  color: var(--ink-deep);
  line-height: 1.5;
}

.page-faq .glossary-row__term::before {
  content: "";
  position: absolute;
  left: 0;
  top: .58em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--flame);
}

.page-faq .glossary-row__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--faq-body-text);
}

/* ---------- 收口两栏 ---------- */
.page-faq .faq-help {
  margin-top: clamp(40px, 6vw, 72px);
  padding: clamp(26px, 4vw, 46px);
  border-radius: clamp(20px, 3vw, 30px);
  color: var(--cream);
  background:
    radial-gradient(80% 120% at 0% 100%, rgba(79, 158, 99, .22), transparent 58%),
    linear-gradient(140deg, var(--ink-deep), var(--ink-mid));
}

.page-faq .faq-help__title {
  margin: 0 0 clamp(18px, 3vw, 28px);
  font-size: clamp(20px, 2.4vw, 28px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  font-weight: 900;
  color: var(--cream);
}

.page-faq .faq-help__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(16px, 2.4vw, 26px);
}

.page-faq .faq-help__card {
  padding: clamp(18px, 2.4vw, 26px);
  border-radius: var(--radius-md);
  border: 1px solid rgba(246, 243, 236, .18);
  background: rgba(246, 243, 236, .06);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
}

.page-faq .faq-help__kicker {
  margin: 0;
  font-family: var(--font-num);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--flame-soft);
}

.page-faq .faq-help__card h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 800;
  line-height: 1.35;
  color: var(--cream);
}

.page-faq .faq-help__card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--sand);
}

.page-faq .faq-help__card a:not(.btn) {
  color: var(--flame-soft);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 179, 122, .45);
}

.page-faq .faq-help__card a:not(.btn):hover {
  border-bottom-color: var(--flame-soft);
}

.page-faq .faq-help__card .btn {
  margin-top: 6px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .glossary-row {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
    padding-right: 16px;
  }

  .page-faq .faq-help__grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-faq .qa__q {
    padding: 18px 22px;
    font-size: 17px;
  }

  .page-faq .qa__a {
    padding: 2px 22px 20px 60px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: 1.05fr .95fr;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-layout {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: clamp(28px, 3.4vw, 52px);
  }

  .page-faq .faq-side {
    position: sticky;
    top: 108px;
  }

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

  .page-faq .faq-nav__link {
    width: 100%;
    justify-content: space-between;
    padding: 11px 16px;
    white-space: normal;
    text-align: left;
  }

  .page-faq .faq-side__tip {
    display: block;
  }

  .page-faq .faq-rhythm__list {
    min-width: 0;
  }

  .page-faq .rhythm-node {
    padding-right: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa,
  .page-faq .qa__icon,
  .page-faq .qa__icon::after,
  .page-faq .faq-nav__link,
  .page-faq .glossary-row {
    transition: none;
  }
}