@font-face {
  font-family: "Satoshi";
  src: url("./media/tt_satoshi_regular-s.p.0tolx8kpe5qt2.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: "Satoshi";
  src: url("./media/tt_satoshi_medium-s.p.39z7-f9045azy.woff2") format("woff2");
  font-weight: 500;
  font-display: swap;
}
@font-face {
  font-family: "Satoshi";
  src: url("./media/tt_satoshi_demibold-s.p.396_3pyw_vfse.woff2") format("woff2");
  font-weight: 600;
  font-display: swap;
}
@font-face {
  font-family: "Satoshi";
  src: url("./media/tt_satoshi_bold-s.p.3trcq-uj-4sxd.woff2") format("woff2");
  font-weight: 700;
  font-display: swap;
}

:root {
  --bg: #071a12;
  --bg-2: #0c2419;
  --bg-3: #123528;
  --surface: #163c2d;
  --line: rgba(180, 230, 190, 0.14);
  --text: #f2f7f3;
  --muted: rgba(242, 247, 243, 0.68);
  --accent: #8dff7a;
  --accent-deep: #3fbf55;
  --white: #fff;
  --radius: 18px;
  --wrap: min(1180px, calc(100% - 40px));
  --font: "Satoshi", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: clip;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
  width: 100%;
  max-width: 100%;
}

img,
video {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

.wrap {
  width: var(--wrap);
  margin: 0 auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(16px);
  background: rgba(7, 26, 18, 0.82);
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s, background 0.25s;
}

.site-header.scrolled {
  border-bottom-color: var(--line);
  background: rgba(7, 26, 18, 0.94);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  min-height: 68px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.brand-mark {
  width: 22px;
  height: 22px;
  filter: brightness(0) invert(1);
}

.brand-name {
  font-size: 15px;
}

.nav-desktop {
  display: none;
  gap: 28px;
  margin-left: 18px;
  font-size: 14px;
  color: var(--muted);
}

.nav-desktop a:hover {
  color: var(--white);
}

.header-cta {
  margin-left: auto;
}

.menu-btn {
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  display: grid;
  place-content: center;
  gap: 6px;
  cursor: pointer;
}

.menu-btn span {
  display: block;
  width: 16px;
  height: 1.5px;
  background: var(--white);
}

.nav-mobile {
  display: grid;
  gap: 8px;
  padding: 8px 20px 20px;
  border-top: 1px solid var(--line);
  background: rgba(7, 26, 18, 0.98);
}

.nav-mobile a {
  padding: 12px 8px;
  color: var(--muted);
  font-size: 15px;
}

.nav-mobile .btn {
  margin-top: 8px;
  text-align: center;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  border: 1px solid transparent;
  transition: transform 0.2s, background 0.2s, color 0.2s, border-color 0.2s;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-sm {
  min-height: 40px;
  padding: 0 16px;
  font-size: 13px;
}

.btn-lg {
  min-height: 56px;
  padding: 0 28px;
  font-size: 16px;
}

.btn-primary {
  background: var(--accent);
  color: #062012;
}

.btn-primary:hover {
  background: #a8ff98;
}

.btn-ghost {
  border-color: rgba(255, 255, 255, 0.28);
  color: var(--white);
  background: rgba(255, 255, 255, 0.04);
}

.btn-ghost:hover {
  border-color: rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.08);
}

/* Hero */
.hero {
  position: relative;
  width: 100%;
  max-width: 100%;
  min-height: 100svh;
  display: grid;
  align-items: end;
  overflow: hidden;
}

.hero-media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: 100%;
  overflow: hidden;
}

.hero-video,
.hero-fallback,
.hero-fallback img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  max-width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
}

.hero-video {
  z-index: 2;
  opacity: 0;
  transition: opacity 0.45s ease;
  /* 防止 video 固有尺寸撑破容器 */
  min-width: 0;
  min-height: 0;
}

.hero-video.is-ready {
  opacity: 1;
}

.hero-fallback {
  z-index: 1;
}

.hero-fallback.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

@media (max-width: 767px) {
  .hero {
    min-height: 100svh;
    min-height: 100dvh;
  }

  .hero-video,
  .hero-fallback img {
    /* 手机竖屏：裁切到产品主体，避免桌面横版画面显得过大 */
    object-position: 72% 42%;
  }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .hero-video,
  .hero-fallback img {
    object-position: 70% 45%;
  }
}

@media (min-width: 1024px) {
  .hero-video,
  .hero-fallback img {
    object-position: right center;
  }
}

.hero-veil {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(7, 26, 18, 0.35) 0%, rgba(7, 26, 18, 0.15) 35%, rgba(7, 26, 18, 0.88) 78%, var(--bg) 100%),
    linear-gradient(90deg, rgba(7, 26, 18, 0.72) 0%, rgba(7, 26, 18, 0.2) 55%, transparent 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 120px 0 64px;
  max-width: 680px;
  animation: rise 0.8s ease both;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-title {
  margin: 0;
  font-size: clamp(42px, 8vw, 78px);
  line-height: 0.98;
  letter-spacing: -0.03em;
  font-weight: 700;
}

.hero-lead {
  margin: 18px 0 0;
  max-width: 34rem;
  color: var(--muted);
  font-size: clamp(16px, 2vw, 18px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.hero-points {
  display: grid;
  gap: 8px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  color: rgba(242, 247, 243, 0.78);
  font-size: 14px;
}

.hero-points li::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 10px;
  border-radius: 50%;
  background: var(--accent);
  vertical-align: middle;
}

/* Trust strip numbers — keep universal numerals */
.trust-grid strong:first-child {
  font-variant-numeric: tabular-nums;
}

html[dir="rtl"] .hero-content,
html[dir="rtl"] .problem-copy,
html[dir="rtl"] .suite-copy,
html[dir="rtl"] blockquote {
  text-align: right;
}

html[dir="rtl"] .hero-points li::before {
  margin-right: 0;
  margin-left: 10px;
}

html[dir="rtl"] .verify-tile.selected::after {
  right: auto;
  left: 6px;
}

html[dir="rtl"] .header-inner,
html[dir="rtl"] .nav-desktop,
html[dir="rtl"] .product-foot,
html[dir="rtl"] .verify-meta,
html[dir="rtl"] .verify-head {
  direction: rtl;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* Trust */
.trust {
  padding: 28px 0 48px;
  border-bottom: 1px solid var(--line);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.trust-grid strong {
  display: block;
  font-size: clamp(24px, 4vw, 34px);
  letter-spacing: -0.03em;
}

.trust-grid span {
  color: var(--muted);
  font-size: 13px;
}

/* Sections common */
.section-head {
  max-width: 640px;
  margin-bottom: 40px;
}

.section-head h2,
.problem-copy h2,
.suite-copy h2,
.cta-box h2,
.faq .section-head h2 {
  margin: 0;
  font-size: clamp(32px, 5vw, 52px);
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.section-head p,
.problem-copy p,
.suite-copy p,
.cta-box p {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 16px;
}

.section-head.light h2 {
  color: var(--white);
}

/* Problem */
.problem {
  padding: 80px 0;
}

.problem-grid {
  display: grid;
  gap: 36px;
  align-items: center;
}

.problem-visual {
  border-radius: 24px;
  overflow: hidden;
  background: var(--bg-2);
  border: 1px solid var(--line);
}

.problem-visual img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

/* Pillars */
.pillars {
  padding: 40px 0 90px;
  background:
    radial-gradient(circle at 20% 0%, rgba(141, 255, 122, 0.08), transparent 40%),
    var(--bg-2);
}

.pillar-grid {
  display: grid;
  gap: 14px;
}

.pillar-grid article {
  padding: 24px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line);
}

.pillar-grid img {
  width: 36px;
  height: 36px;
  margin-bottom: 16px;
  filter: brightness(0) saturate(100%) invert(88%) sepia(28%) saturate(700%) hue-rotate(50deg);
}

.pillar-grid h3 {
  margin: 0 0 8px;
  font-size: 18px;
}

.pillar-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

/* Products */
.products {
  padding: 90px 0;
}

.product-grid {
  display: grid;
  gap: 16px;
}

.product-card {
  display: grid;
  border-radius: 24px;
  overflow: hidden;
  background: var(--bg-2);
  border: 1px solid var(--line);
}

.product-card.featured {
  border-color: rgba(141, 255, 122, 0.45);
  box-shadow: 0 0 0 1px rgba(141, 255, 122, 0.12), 0 20px 50px rgba(0, 0, 0, 0.25);
}

.product-shot {
  background: linear-gradient(180deg, #1a4634, #0d2a1d);
  min-height: 240px;
  display: grid;
  place-items: center;
  padding: 28px;
}

.product-shot img {
  width: min(100%, 280px);
  height: auto;
  object-fit: contain;
}

.product-body {
  padding: 24px;
}

.tag {
  display: inline-flex;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
}

.tag-hot {
  background: rgba(141, 255, 122, 0.16);
  color: var(--accent);
}

.product-body h3 {
  margin: 12px 0 8px;
  font-size: 24px;
}

.product-body > p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.product-body ul {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
  font-size: 14px;
  color: rgba(242, 247, 243, 0.86);
}

.product-body li::before {
  content: "✓ ";
  color: var(--accent);
  font-weight: 700;
}

.product-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 22px;
}

.price {
  font-size: 20px;
  font-weight: 700;
}

/* Suite */
.suite {
  padding: 40px 0 90px;
}

.suite-grid {
  display: grid;
  gap: 28px;
  align-items: center;
  padding: 28px;
  border-radius: 28px;
  background: var(--bg-3);
  border: 1px solid var(--line);
}

.suite-visual {
  border-radius: 18px;
  overflow: hidden;
}

.suite-visual img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.check-list {
  margin: 20px 0 28px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
  color: var(--muted);
}

.check-list li::before {
  content: "→ ";
  color: var(--accent);
}

/* Coins */
.coins {
  padding: 90px 0;
  background: #04150f;
}

.coin-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 28px;
}

.coin-row img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: contain;
  padding: 18px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
}

.coins-banner {
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid var(--line);
}

.coins-banner img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* Statement */
.statement {
  position: relative;
  padding: 90px 0;
  overflow: hidden;
}

.statement-bg,
.statement-bg img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.35;
}

.statement-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 28px;
}

.statement-people {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.statement-people img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border-radius: 18px;
  border: 1px solid var(--line);
}

blockquote {
  margin: 0;
  padding: 28px;
  border-radius: 22px;
  background: rgba(7, 26, 18, 0.72);
  border: 1px solid var(--line);
  backdrop-filter: blur(8px);
}

blockquote p {
  margin: 0;
  font-size: clamp(24px, 4vw, 36px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  font-weight: 700;
}

blockquote span {
  display: block;
  margin-top: 14px;
  color: var(--muted);
}

/* FAQ */
.faq {
  padding: 90px 0;
}

.faq-grid {
  display: grid;
  gap: 28px;
}

.faq-icon {
  width: 72px;
  margin-top: 18px;
  opacity: 0.85;
}

.faq-list {
  display: grid;
  gap: 10px;
}

details {
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  padding: 4px 18px;
}

summary {
  cursor: pointer;
  list-style: none;
  padding: 16px 0;
  font-weight: 600;
  font-size: 16px;
}

summary::-webkit-details-marker {
  display: none;
}

summary::after {
  content: "+";
  float: right;
  color: var(--accent);
  font-weight: 700;
}

details[open] summary::after {
  content: "–";
}

details p {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 14px;
}

/* CTA */
.cta {
  padding: 0 0 90px;
}

.cta-box {
  text-align: center;
  padding: 56px 24px;
  border-radius: 28px;
  background:
    radial-gradient(circle at 50% 0%, rgba(141, 255, 122, 0.18), transparent 55%),
    var(--bg-3);
  border: 1px solid rgba(141, 255, 122, 0.22);
}

.cta-box .btn {
  margin-top: 24px;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 28px 0 40px;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-inner p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

/* Desktop */
@media (min-width: 768px) {
  :root {
    --wrap: min(1180px, calc(100% - 64px));
  }

  .menu-btn,
  .nav-mobile {
    display: none !important;
  }

  .nav-desktop {
    display: flex;
  }

  .header-inner {
    min-height: 76px;
  }

  .hero-content {
    padding: 140px 0 88px;
  }

  .hero-points {
    grid-template-columns: repeat(3, auto);
    gap: 18px;
  }

  .trust-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .problem-grid,
  .suite-grid,
  .statement-inner,
  .faq-grid {
    grid-template-columns: 1.05fr 0.95fr;
  }

  .suite-grid {
    padding: 40px;
  }

  .pillar-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .product-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .product-card {
    grid-template-rows: auto 1fr;
  }

  .coin-row {
    grid-template-columns: repeat(8, 1fr);
  }

  .footer-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

@media (min-width: 1100px) {
  .pillar-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .statement-people {
    max-width: 420px;
  }
}