:root {
  --bg: #0f1513;
  --panel: #141c1a;
  --panel-2: #0f1614;
  --text: #f4fbf7;
  --muted: rgba(244,251,247,.68);
  --accent: #f76b5b;
  --accent-2: #f7c948;
  --primary: #49f2c4;
  --border: rgba(255,255,255,.12);
  --shadow: 0 28px 70px rgba(4,8,7,.65);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  background: radial-gradient(900px 520px at 10% -10%, rgba(73,242,196,.18), transparent 60%),
              radial-gradient(780px 480px at 90% 0%, rgba(247,107,91,.18), transparent 60%),
              var(--bg);
  color: var(--text);
}
img { max-width: 100%; display: block; }

.bg-geom { position: fixed; inset: 0; z-index: -1; overflow: hidden; }
.bg-geom .orb { position: absolute; border-radius: 50%; opacity: .7; }
.bg-geom .o1 { width: 520px; height: 520px; background: radial-gradient(circle, rgba(73,242,196,.4), transparent 65%); top: -220px; left: -140px; }
.bg-geom .o2 { width: 620px; height: 620px; background: radial-gradient(circle, rgba(247,107,91,.35), transparent 65%); bottom: -220px; right: -160px; }
.bg-geom .o3 { width: 360px; height: 360px; background: radial-gradient(circle, rgba(247,201,72,.3), transparent 65%); top: 40%; right: 6%; }
.bg-geom .grid { position: absolute; inset: 0; background-image: linear-gradient(transparent 92%, rgba(255,255,255,.06) 94%), linear-gradient(90deg, transparent 92%, rgba(255,255,255,.06) 94%); background-size: 56px 56px; }

.rail { position: fixed; top: 0; left: 0; width: 270px; height: 100vh; padding: 20px 18px; background: linear-gradient(180deg, rgba(16,22,20,.98), rgba(10,14,13,.92)); border-right: 1px solid var(--border); display: grid; gap: 18px; z-index: 10; }
.rail-brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: inherit; }
.rail-brand img { width: 120px; height: auto; }
.rail-brand strong { display: block; font-size: 14px; }
.rail-brand span { font-size: 12px; color: var(--muted); }

.rail-nav { display: grid; gap: 10px; }
.rail-nav a { text-decoration: none; color: var(--text); background: rgba(255,255,255,.06); border: 1px solid transparent; padding: 8px 12px; border-radius: 12px; font-size: 13px; transition: all .25s ease; }
.rail-nav a:hover { border-color: rgba(73,242,196,.35); box-shadow: 0 0 18px rgba(73,242,196,.2); }
.rail-nav a.cta { background: linear-gradient(135deg, var(--accent), #ff907f); color: #1a0e0b; box-shadow: 0 14px 30px rgba(247,107,91,.3); }
.rail-badges { display: grid; gap: 6px; font-size: 12px; color: var(--muted); }

.wrap { margin-left: 290px; padding: 30px 4vw 80px; }

.hero { display: grid; grid-template-columns: 1.1fr .9fr; gap: 22px; align-items: stretch; }
.hero-left { background: linear-gradient(150deg, rgba(20,28,26,.95), rgba(13,18,17,.9)); padding: 30px; border-radius: 28px; border: 1px solid rgba(73,242,196,.2); box-shadow: var(--shadow); position: relative; overflow: hidden; }
.hero-left::after { content: ""; position: absolute; inset: -1px; border-radius: 28px; border: 1px solid rgba(247,107,91,.25); pointer-events: none; }
.hero-left h1 { margin: 12px 0 14px; font-size: 34px; }
.hero-left p { color: var(--muted); line-height: 1.8; }
.label { display: inline-flex; padding: 6px 12px; border-radius: 999px; background: rgba(247,107,91,.18); color: var(--accent); font-weight: 700; font-size: 12px; letter-spacing: .3px; }
.hero-stack { display: grid; gap: 8px; margin-top: 12px; }
.hero-stack div { background: rgba(10,14,13,.7); border: 1px solid rgba(255,255,255,.12); border-radius: 14px; padding: 10px 12px; color: var(--muted); font-size: 13px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin: 18px 0; }
.chips { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 10px; }
.chips span { background: rgba(15,20,18,.85); border: 1px solid rgba(255,255,255,.12); padding: 6px 10px; border-radius: 999px; color: var(--muted); font-size: 12px; }
.hero-right { display: grid; gap: 12px; }
.media { background: linear-gradient(160deg, rgba(20,28,26,.95), rgba(12,16,15,.95)); border-radius: 24px; border: 1px solid rgba(255,255,255,.16); box-shadow: var(--shadow); padding: 12px; }
.media img { width: 100%; height: 260px; object-fit: cover; border-radius: 16px; }
.media-note { background: rgba(10,14,13,.7); border: 1px solid rgba(255,255,255,.12); border-radius: 14px; padding: 12px; margin-top: 12px; }
.metrics { background: rgba(10,14,13,.6); border: 1px solid rgba(255,255,255,.14); border-radius: 18px; padding: 14px; display: grid; gap: 8px; color: var(--muted); }
.metrics strong { color: var(--text); }

.panel { margin-top: 36px; background: linear-gradient(140deg, rgba(20,28,26,.95), rgba(12,16,15,.95)); border: 1px solid rgba(255,255,255,.14); border-radius: 28px; padding: 30px; box-shadow: var(--shadow); position: relative; overflow: hidden; }
.panel::before { content: ""; position: absolute; top: 0; left: 0; width: 180px; height: 4px; background: linear-gradient(90deg, var(--primary), transparent); }
.panel.band { background: linear-gradient(135deg, rgba(20,28,26,.95), rgba(22,26,24,.85)); }
.panel.ribbon { background: linear-gradient(135deg, rgba(18,22,20,.95), rgba(12,16,15,.95)); }
.panel.grid { background: linear-gradient(140deg, rgba(18,22,21,.95), rgba(12,15,14,.95)); }
.panel.timeline { background: linear-gradient(140deg, rgba(17,22,20,.95), rgba(12,15,14,.95)); }
.panel.reviews { background: linear-gradient(140deg, rgba(18,22,20,.95), rgba(12,15,14,.95)); }
.panel-head h2 { margin: 0 0 8px; }
.panel-head p { color: var(--muted); margin: 0 0 20px; }

.tiles { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.tiles article { background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.14); border-radius: 18px; padding: 16px; transition: transform .25s ease, box-shadow .25s ease; }
.tiles article:hover { transform: translateY(-6px); box-shadow: 0 16px 30px rgba(73,242,196,.16); }
.tiles a { color: var(--primary); text-decoration: none; font-weight: 600; }

.coin-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; }
.coin-grid div { background: rgba(15,20,18,.85); border-radius: 14px; padding: 10px; display: flex; align-items: center; gap: 10px; border: 1px solid rgba(255,255,255,.12); transition: transform .25s ease, box-shadow .25s ease; }
.coin-grid div:hover { transform: translateY(-4px); box-shadow: 0 12px 24px rgba(247,107,91,.2); }
.coin-grid img { width: 22px; height: 22px; }

.card-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.card-grid article { background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.14); border-radius: 18px; padding: 16px; transition: transform .25s ease, box-shadow .25s ease; }
.card-grid article:hover { transform: translateY(-6px); box-shadow: 0 16px 32px rgba(73,242,196,.16); }

.sys-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.sys-grid div { background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.14); border-radius: 18px; padding: 16px; display: flex; align-items: center; gap: 10px; transition: transform .25s ease, box-shadow .25s ease; }
.sys-grid div:hover { transform: translateY(-5px); box-shadow: 0 16px 30px rgba(247,107,91,.18); }
.sys-grid img { width: 22px; height: 22px; filter: invert(1); }

.timeline-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.timeline-grid div { background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.14); border-radius: 18px; padding: 16px; position: relative; }
.timeline-grid span { color: var(--accent-2); font-weight: 700; font-size: 12px; }

.review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.review-grid article { background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.14); border-radius: 18px; padding: 16px; transition: transform .25s ease, box-shadow .25s ease; }
.review-grid article:hover { transform: translateY(-6px); box-shadow: 0 18px 34px rgba(73,242,196,.16); }
.review-grid span { color: var(--muted); font-size: 12px; }

.site-foot { border-top: 1px solid rgba(255,255,255,.12); padding: 32px 4vw 18px; background: rgba(9,12,11,.92); margin-top: 40px; }
.foot-shell { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 20px; }
.foot-brand { display: flex; align-items: center; gap: 12px; }
.foot-brand img { width: 140px; height: auto; }
.foot-brand span { color: var(--muted); font-size: 12px; }
.foot-links { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 10px; }
.foot-links a { color: var(--muted); text-decoration: none; font-size: 13px; }
.foot-trust { display: flex; flex-wrap: wrap; gap: 10px; }
.foot-trust span { background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12); padding: 6px 10px; border-radius: 999px; font-size: 12px; }
.foot-copy { text-align: center; color: var(--muted); font-size: 12px; padding-top: 12px; }

.btn { display: inline-flex; align-items: center; justify-content: center; padding: 10px 18px; border-radius: 999px; text-decoration: none; font-weight: 600; border: 1px solid transparent; color: var(--text); background: rgba(255,255,255,.08); transition: transform .2s ease, box-shadow .2s ease; }
.btn.primary { background: linear-gradient(135deg, var(--accent), #ff907f); color: #1a0e0b; box-shadow: 0 16px 30px rgba(247,107,91,.3); }
.btn:hover { transform: translateY(-2px); }
.btn.ghost { border-color: rgba(255,255,255,.25); background: transparent; }

[data-reveal] { opacity: 0; transform: translateY(18px) scale(.98); filter: blur(2px); transition: all .7s ease; }
[data-reveal].visible { opacity: 1; transform: translateY(0) scale(1); filter: blur(0); }

@media (max-width: 1200px) {
  .wrap { margin-left: 0; padding-top: 120px; }
  .rail { position: sticky; width: auto; height: auto; grid-template-columns: 1fr; }
  .rail-nav { grid-template-columns: repeat(2, minmax(0,1fr)); }
}

@media (max-width: 960px) {
  .hero { grid-template-columns: 1fr; }
  .tiles, .card-grid, .sys-grid, .timeline-grid, .review-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .tiles, .card-grid, .sys-grid, .timeline-grid, .review-grid { grid-template-columns: 1fr; }
  .hero-left h1 { font-size: 28px; }
  .media img { height: 220px; }
  .rail-nav { grid-template-columns: 1fr; }
}
.panel.faq details { background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.14); border-radius: 16px; padding: 14px 18px; margin-bottom: 12px; }
.panel.faq summary { cursor: pointer; font-weight: 600; }
.panel.faq p { color: var(--muted); margin: 10px 0 0; }
.foot-brand img { width: 140px; height: auto; }
.site-foot { overflow: visible; }
.site-foot { margin-left: 290px; }
.coin-grid img, .sys-grid img { width: 18px; height: 18px; }
@media (max-width: 1200px) { .site-foot { margin-left: 0; } }
.panel.faq { margin-top: 28px; }
.panel.faq .panel-head { margin-bottom: 6px; }
.panel.faq .faq-grid { display: grid; gap: 12px; }
.panel.faq details { background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.18); border-radius: 16px; padding: 14px 18px; }
.panel.faq summary { cursor: pointer; font-weight: 600; }
.panel.faq p { color: var(--muted); margin: 10px 0 0; }
.site-foot { margin-left: 290px; padding-top: 24px; padding-bottom: 24px; }
.foot-shell { align-items: center; }
.foot-brand img { width: 120px; height: auto; }
@media (max-width: 1200px) { .site-foot { margin-left: 0; } }
.wrap, .site-foot { margin-left: 290px; max-width: calc(100% - 320px); }
@media (max-width: 1200px) { .wrap, .site-foot { margin-left: 0; max-width: 100%; } }
.site-foot { margin-left: 290px; max-width: calc(100% - 290px); }
@media (max-width: 1200px) { .site-foot { margin-left: 0; max-width: 100%; } }
.footer-panel { margin: 40px 4vw 24px; background: linear-gradient(135deg, rgba(18,22,20,.98), rgba(12,15,14,.98)); border: 1px solid rgba(255,255,255,.16); border-radius: 28px; padding: 26px; box-shadow: var(--shadow); }
.footer-inner { display: grid; grid-template-columns: 1.1fr 1fr 1fr; gap: 18px; align-items: center; }
.footer-brand { display: flex; align-items: center; gap: 12px; }
.footer-brand img { width: 150px; height: auto; }
.footer-brand span { color: var(--muted); font-size: 12px; }
.footer-links { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 10px; }
.footer-links a { color: var(--muted); text-decoration: none; font-size: 13px; }
.footer-badges { display: flex; flex-wrap: wrap; gap: 10px; }
.footer-badges span { background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.14); padding: 6px 10px; border-radius: 999px; font-size: 12px; }
.footer-copy { text-align: center; color: var(--muted); font-size: 12px; padding-top: 14px; }
@media (max-width: 900px) { .footer-inner { grid-template-columns: 1fr; } }
.footer-panel { margin-left: 290px; max-width: calc(100% - 290px); }
.footer-panel .footer-inner { padding-left: 14px; }
@media (max-width: 1200px) { .footer-panel { margin-left: 0; max-width: 100%; } }