/* ====================================================================
 * Site A — Figma 市场研究 H5 (375)
 * ==================================================================== */
.page-a {
  background: var(--bg);
  color-scheme: dark;
  --nav-h: 54px;
}
.page-a .container {
  max-width: 375px;
  padding: 0 19px;
}
.page-a section {
  padding: 30px 0;
}
.page-a .section-title {
  font-size: 28px;
  font-weight: 600;
  line-height: 1.3;
  text-align: center;
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.page-a .section-label {
  text-align: center;
}
.page-a .section-kicker {
  margin: 0 0 8px;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0.36px;
  text-transform: uppercase;
  color: #c3c3c7;
}
.page-a .accent-num {
  color: var(--accent);
  font-size: 46px;
  font-weight: 600;
  line-height: 1.3;
}
.page-a .lede {
  font-size: 14px;
  line-height: 1.3;
  color: var(--text-secondary);
}

/* Header — same H5 pattern as Site B */
.page-a .nav {
  height: auto;
  background: rgba(15, 17, 20, 0.95);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(16px);
}
.page-a .nav > .container {
  height: 53px;
  gap: 0;
  justify-content: space-between;
}
.page-a .nav-logo {
  display: flex;
  align-items: center;
  width: 84px;
  height: 34px;
  flex: none;
}
.page-a .nav-logo img {
  width: 84px;
  height: 34px;
  object-fit: contain;
}
.page-a .nav-right {
  gap: 16px;
  flex: none;
  position: relative;
}
.page-a .nav-links,
.page-a .nav-cta {
  display: none;
}
.page-a .nav-icon-btn {
  width: 34px;
  height: 34px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 50%;
  color: #fff;
  flex: none;
  padding: 0;
}
.page-a .nav-icon-btn img {
  width: 24px;
  height: 24px;
  display: block;
  object-fit: contain;
  max-width: none;
}
.page-a .lang-trigger img {
  width: 20px;
  height: 20px;
}
.page-a .hamburger,
.page-a .hamburger::before,
.page-a .hamburger::after {
  display: block;
  width: 17px;
  height: 2px;
  background: #fff;
  border-radius: 1px;
  position: relative;
}
.page-a .hamburger::before,
.page-a .hamburger::after {
  content: "";
  position: absolute;
  left: 0;
}
.page-a .hamburger::before {
  top: -6px;
}
.page-a .hamburger::after {
  top: 6px;
}

.page-a .lang-menu {
  position: relative;
}
.page-a .lang-switch {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  z-index: 40;
  flex-direction: column;
  gap: 0;
  padding: 6px;
  min-width: 88px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.45);
}
.page-a .lang-switch:not([hidden]) {
  display: flex;
}
.page-a .lang-btn {
  width: 100%;
  text-align: left;
  padding: 8px 10px;
  border-radius: 6px;
}
.page-a .nav-drawer {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  left: auto;
  width: 200px;
  display: flex;
  flex-direction: column;
  padding: 8px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg-card);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.45);
  z-index: 30;
}
.page-a .nav-drawer[hidden] {
  display: none;
}
.page-a .nav-drawer a {
  padding: 12px;
  font-size: 14px;
  color: var(--text);
  border-bottom: 1px solid var(--border);
}
.page-a .nav-drawer a:last-child {
  border-bottom: none;
}

.page-a .btn-primary {
  height: 46px;
  padding: 0 16px;
  background: var(--accent);
  color: var(--text-dark);
  font-size: 15px;
  font-weight: 400;
  box-shadow: none;
  border-radius: var(--radius-pill);
}
.page-a .btn-primary:hover {
  background: var(--accent-hover);
  box-shadow: none;
}

/* Hero — copy, art, then CTA */
.page-a .hero {
  padding: 30px 0 15px;
  background: none;
}
.page-a .hero-a-grid {
  display: flex;
  flex-direction: column;
}
.page-a .hero-left {
  display: contents;
}
.page-a .hero-copy {
  order: 1;
}
.page-a .hero-art {
  order: 2;
}
.page-a .hero-cta {
  order: 3;
}

.page-a .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-card);
  color: #fff;
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0;
  text-transform: none;
  padding: 6px 11px;
  border-radius: var(--radius-pill);
  margin-bottom: 0;
}
.page-a .eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex: none;
}
.page-a .hero h1 {
  font-size: 28px;
  font-weight: 600;
  line-height: 1.3;
  margin: 23px 0 0;
  max-width: 168px;
}
html[lang="en"] .page-a .hero h1,
html[lang="ko"] .page-a .hero h1 {
  max-width: 280px;
}
.page-a .hero .lede {
  max-width: none;
  margin: 15px 0 27px;
  font-size: 14px;
}
.page-a .hero-art {
  aspect-ratio: auto;
  height: 219px;
  margin: 0;
  border: none;
  background: none;
  overflow: visible;
}
.page-a .hero-art img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.page-a .hero-cta {
  padding-top: 30px;
}
.page-a .hero-cta .btn {
  width: 100%;
}

/* Trust — stacked card */
.page-a .trust-strip {
  background: none;
  border: none;
  padding: 0 0 8px;
}
.page-a .trust-grid {
  display: flex;
  flex-direction: column;
  gap: 0;
  background: var(--bg-card);
  border-radius: 15px;
  padding: 16px 20px;
}
.page-a .trust-dot {
  display: none;
}
.page-a .trust-item {
  gap: 11px;
  min-height: 46px;
  font-size: 14px;
  font-weight: 400;
  color: var(--text);
}
.page-a .trust-icon-img {
  width: 19px;
  height: 19px;
  flex: none;
}

/* Overview cards — horizontal icon + copy */
.page-a .card-grid {
  display: flex;
  flex-direction: column;
  gap: 15px;
  margin-top: 30px;
}
.page-a .card {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 15px;
  padding: 19px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 15px;
}
.page-a .card:hover {
  transform: none;
}
.page-a .card-icon {
  width: 76px;
  height: 76px;
  margin: 0;
  border-radius: 0;
  background: transparent;
  overflow: hidden;
  flex: none;
}
.page-a .card-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.page-a .card-body {
  min-width: 0;
  flex: 1;
}
.page-a .card h3 {
  font-size: 17px;
  font-weight: 600;
  margin: 0;
}
.page-a .card p {
  font-size: 11px;
  line-height: 1.3;
  color: var(--text-secondary);
  margin: 6px 0 0;
}

/* Steps — stacked with down arrows */
.page-a .steps-row {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0;
  margin-top: 30px;
}
.page-a .step-card {
  background: var(--bg-card);
  border: none;
  border-radius: 15px;
  padding: 19px;
}
.page-a .step-card:hover {
  border-color: transparent;
}
.page-a .step-num {
  font-size: 40px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 0;
}
.page-a .step-card h4 {
  font-size: 17px;
  font-weight: 400;
  margin: 0;
  padding-top: 11px;
  line-height: 1.3;
}
.page-a .step-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 27px;
  padding: 0;
  background: url("../img/arrow-down.svg") center / 19px 19px no-repeat;
}
.page-a .step-arrow::before {
  content: none;
}

/* Convert band */
.page-a .convert-band {
  position: relative;
  overflow: hidden;
  background: #121315;
  border: 1px solid var(--border);
  border-radius: 23px;
  padding: 38px 23px;
  text-align: center;
}
.page-a .convert-band::before {
  content: "";
  position: absolute;
  width: 274px;
  height: 274px;
  left: 50%;
  top: -90px;
  transform: translateX(-20%);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(250, 210, 40, 0.35) 0%, rgba(250, 210, 40, 0) 70%);
  filter: blur(40px);
  pointer-events: none;
}
.page-a .convert-band .section-kicker {
  position: relative;
  margin-bottom: 8px;
}
.page-a .convert-band h2 {
  position: relative;
  font-size: 23px;
  font-weight: 600;
  margin: 0 0 15px;
  line-height: 1.3;
}
.page-a .convert-band p {
  position: relative;
  font-size: 14px;
  max-width: none;
  margin: 0 0 27px;
  line-height: 1.3;
}
.page-a .convert-band .btn {
  position: relative;
  width: 100%;
}

/* FAQ */
.page-a .faq-section {
  padding: 30px 0 40px;
}
.page-a .faq-list {
  max-width: none;
  margin: 30px 0 0;
  counter-reset: faq;
}
.page-a .faq-item {
  border-bottom: 1px solid var(--border);
}
.page-a .faq-item:last-child {
  border-bottom: 1px solid var(--border);
}
.page-a .fq-q {
  padding: 21px 0;
  font-size: 15px;
  font-weight: 500;
}
.page-a .fq-q:hover {
  color: var(--text);
}
.page-a .fq-q > span:first-child::before {
  counter-increment: faq;
  content: counter(faq) ".";
  margin-right: 2px;
}
.page-a .fq-toggle {
  width: 23px;
  height: 23px;
  background: none;
  border: none;
  border-radius: 0;
  position: relative;
}
.page-a .fq-toggle::before,
.page-a .fq-toggle::after {
  content: "";
  position: absolute;
  background: #fff;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}
.page-a .fq-toggle::before {
  width: 13px;
  height: 2px;
}
.page-a .fq-toggle::after {
  width: 2px;
  height: 13px;
}
.page-a .faq-item.open .fq-toggle {
  background: none;
  transform: none;
  border: none;
}
.page-a .faq-item.open .fq-toggle::after {
  display: none;
}
.page-a .fq-a-inner {
  padding: 0 0 19px;
  font-size: 14px;
  line-height: 1.3;
}

.page-a .footer {
  background: var(--bg);
  padding: 0 0 40px;
  border-top: none;
}
.page-a .risk-text {
  font-size: 11px;
}

/* ====================================================================
 * Site A — Web (Figma 市场研究 1440)
 * ==================================================================== */
@media (min-width: 1024px) {
  .page-a {
    --nav-h: 64px;
  }

  .page-a .container {
    max-width: 1200px;
    padding: 0 24px;
  }
  .page-a section {
    padding: 40px 0;
  }
  .page-a .section-title {
    font-size: 40px;
    font-weight: 600;
  }
  .page-a .section-kicker {
    font-size: 20px;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
  }
  .page-a .accent-num {
    font-size: 56px;
  }
  .page-a .lede {
    font-size: 18px;
    font-weight: 500;
  }

  /* Header */
  .page-a .nav > .container {
    height: 64px;
    max-width: none;
    padding: 0 24px;
    gap: 24px;
  }
  .page-a .nav-logo,
  .page-a .nav-logo img {
    width: 118px;
    height: 48px;
  }
  .page-a .nav-links {
    display: flex;
    gap: 0;
    margin-left: 0;
  }
  .page-a .nav-links a {
    display: flex;
    align-items: center;
    height: 64px;
    padding: 0 12px;
    font-size: 14px;
    font-weight: 400;
    color: #fff;
  }
  .page-a .nav-links a:hover {
    color: var(--accent);
  }
  .page-a .nav-right {
    gap: 24px;
  }
  .page-a .lang-trigger {
    width: 20px;
    height: 20px;
    border: none;
    background: none;
  }
  .page-a .lang-menu {
    display: flex;
    align-items: center;
    gap: 24px;
  }
  .page-a .lang-menu::before,
  .page-a .lang-menu::after {
    content: "";
    width: 1px;
    height: 24px;
    background: var(--border);
    border-radius: 99px;
  }
  .page-a .nav-cta {
    display: inline-flex;
    height: 32px;
    padding: 0 16px;
    font-size: 14px;
    font-weight: 500;
  }
  .page-a .menu-trigger,
  .page-a .nav-drawer {
    display: none !important;
  }

  /* Hero — copy+CTA left, art right */
  .page-a .hero {
    padding: 36px 0 40px;
  }
  .page-a .hero-a-grid {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 24px;
    min-height: 520px;
  }
  .page-a .hero-left {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 40px;
    flex: 1;
    min-width: 0;
  }
  .page-a .hero-copy,
  .page-a .hero-art,
  .page-a .hero-cta {
    order: 0;
  }
  .page-a .eyebrow {
    font-size: 12px;
    padding: 6px 12px;
  }
  .page-a .hero h1 {
    font-size: 56px;
    line-height: 1.2;
    font-weight: 600;
    margin: 12px 0 0;
    max-width: 541px;
  }
  html[lang="en"] .page-a .hero h1,
  html[lang="ko"] .page-a .hero h1 {
    max-width: 541px;
  }
  .page-a .hero .lede {
    margin: 8px 0 0;
    font-size: 18px;
    font-weight: 500;
    max-width: 576px;
  }
  .page-a .hero-cta {
    padding-top: 0;
  }
  .page-a .hero-cta .btn {
    min-width: 186px;
    width: auto;
    height: 48px;
    font-size: 16px;
  }
  .page-a .hero-art {
    width: 571px;
    height: 372px;
    flex: none;
  }

  /* Trust — pill bar */
  .page-a .trust-strip {
    padding: 0 0 16px;
  }
  .page-a .trust-strip .container {
    max-width: 1200px;
  }
  .page-a .trust-grid {
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 16px;
    height: 60px;
    padding: 0 32px;
    border-radius: 90px;
  }
  .page-a .trust-dot {
    display: block;
    width: 6px;
    height: 6px;
    flex: none;
  }
  .page-a .trust-item {
    min-height: 0;
    gap: 10px;
    padding: 0 24px;
  }
  .page-a .trust-icon-img {
    width: 20px;
    height: 20px;
  }

  /* Overview — 3 columns, icon on top */
  .page-a .card-grid {
    flex-direction: row;
    gap: 16px;
    margin-top: 40px;
  }
  .page-a .card {
    flex: 1;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 24px;
    padding: 28px;
    background: transparent;
    border: none;
    border-radius: 16px;
  }
  .page-a .card-icon {
    width: 120px;
    height: 120px;
  }
  .page-a .card-body {
    text-align: center;
  }
  .page-a .card h3 {
    font-size: 20px;
  }
  .page-a .card p {
    font-size: 14px;
    margin-top: 16px;
  }

  /* Steps — 3 cards + right arrows */
  .page-a .steps-row {
    flex-direction: row;
    align-items: stretch;
    margin-top: 16px;
  }
  .page-a .step-card {
    flex: 1;
    padding: 28px;
    border-radius: 16px;
  }
  .page-a .step-num {
    font-size: 40px;
  }
  .page-a .step-card h4 {
    font-size: 18px;
    font-weight: 500;
    padding-top: 20px;
  }
  .page-a .step-arrow {
    width: 44px;
    height: auto;
    flex: none;
    background: url("../img/arrow-right.svg") center / 20px 20px no-repeat;
  }

  /* Convert */
  .page-a .convert-band {
    border-radius: 24px;
    padding: 76px 66px;
  }
  .page-a .convert-band::before {
    width: 448px;
    height: 448px;
    left: auto;
    right: -80px;
    top: -160px;
    transform: none;
    filter: blur(80px);
  }
  .page-a .convert-band .section-kicker {
    font-size: 20px;
  }
  .page-a .convert-band h2 {
    font-size: 40px;
    margin-bottom: 16px;
  }
  .page-a .convert-band p {
    font-size: 16px;
    font-weight: 500;
    max-width: 400px;
    margin: 0 auto 56px;
  }
  .page-a .convert-band .btn {
    width: 302px;
    height: 48px;
    font-size: 16px;
  }

  /* FAQ */
  .page-a .faq-section {
    padding: 53px 0 80px;
  }
  .page-a .faq-list {
    max-width: 1200px;
    margin: 24px auto 0;
  }
  .page-a .fq-q {
    font-size: 20px;
    padding: 24px 0;
  }
  .page-a .fq-a-inner {
    font-size: 16px;
    padding-bottom: 24px;
  }

  .page-a .footer {
    padding-bottom: 48px;
  }
  .page-a .risk-text {
    font-size: 12px;
    max-width: 800px;
    margin: 0 auto;
  }
}
