/* ===== Reset / Tokens ===== */
*,*::before,*::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
:root {
  --bg: #0a1a13;
  --bg-2: #0c1f17;
  --surface: #11281c;
  --surface-2: #163727;
  --line: #1d4530;
  --line-2: #265a3e;
  --text: #f3ecd7;
  --muted: #b8b89a;
  --dim: #7a8676;
  --gold-1: #f1c87a;
  --gold-2: #d4a857;
  --gold-3: #b88838;
  --accent: #c33c2e;
  --good: #7cc16b;
  --r: 8px;
  --r-lg: 16px;
}
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", "PingFang SC", "Microsoft YaHei", "Source Han Serif", serif;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
h1,h2,h3,h4,p,ul,ol,dl,dd,figure,blockquote { margin: 0; padding: 0; }
ul,ol { list-style: none; }
a { color: inherit; text-decoration: none; }
img,svg { display: block; max-width: 100%; }
button { font-family: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
em { font-style: normal; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 28px; }

/* ===== 背景装饰 ===== */
.bg-noise {
  position: fixed; inset: 0;
  background-image:
    radial-gradient(rgba(212,168,87,0.05) 1px, transparent 1px),
    radial-gradient(rgba(212,168,87,0.03) 1px, transparent 1px);
  background-size: 32px 32px, 64px 64px;
  background-position: 0 0, 16px 16px;
  pointer-events: none;
  z-index: 0;
  opacity: 0.4;
}
.bg-glow {
  position: fixed;
  top: -260px;
  right: -200px;
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(212,168,87,0.18), transparent 70%);
  filter: blur(40px);
  pointer-events: none;
  z-index: 0;
}

/* ===== Skip ===== */
.skip-link {
  position: absolute; top: -48px; left: 16px; z-index: 999;
  padding: 8px 16px; background: var(--gold-2); color: #0a1a13;
  border-radius: 6px; font-size: 13px; font-weight: 700;
  transition: top 0.2s;
}
.skip-link:focus { top: 12px; outline: none; }

/* ===== Nav ===== */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10,26,19,0.85);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav-row {
  display: flex;
  align-items: center;
  gap: 22px;
  height: 72px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-mark {
  width: 36px; height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.logo-text {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--text);
}
.logo-text i {
  font-style: normal;
  font-weight: 400;
  color: var(--gold-2);
  margin-left: 4px;
  font-size: 14px;
  border-left: 1px solid var(--line-2);
  padding-left: 8px;
}

.nav-menu {
  display: flex;
  gap: 26px;
  flex: 1;
  justify-content: center;
}
.nav-a {
  font-size: 14px;
  color: var(--muted);
  transition: color 0.2s;
  position: relative;
}
.nav-a:hover { color: var(--gold-1); }

.cta-btn {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  background: linear-gradient(135deg, var(--gold-1), var(--gold-3));
  color: #0a1a13;
  font-weight: 700;
  font-size: 14px;
  border-radius: 999px;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 0 0 0 rgba(212,168,87,0.4);
}
.cta-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 28px rgba(212,168,87,0.35);
}

.nav-burger {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 8px;
}
.nav-burger span {
  display: block; width: 20px; height: 2px;
  background: var(--gold-2);
  border-radius: 2px;
}

/* ===== Buttons ===== */
.btn-gold, .btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  font-size: 14px;
  font-weight: 700;
  border-radius: 999px;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s, border-color 0.2s;
  white-space: nowrap;
}
.btn-gold {
  background: linear-gradient(135deg, var(--gold-1), var(--gold-3));
  color: #0a1a13;
}
.btn-gold:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 32px rgba(212,168,87,0.4);
}
.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1.5px solid var(--line-2);
}
.btn-ghost:hover { background: var(--surface); border-color: var(--gold-2); color: var(--gold-1); }
.btn-xl { padding: 15px 28px; font-size: 15px; }
.btn-block { display: flex; width: 100%; padding: 12px 0; }

/* ===== Hero ===== */
.hero {
  position: relative;
  padding: 80px 0 110px;
  z-index: 1;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 64px;
  align-items: center;
}

/* 印章风格徽章 */
.seal {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
  font-size: 13px;
  color: var(--muted);
}
.seal-tag {
  display: inline-block;
  padding: 4px 14px;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.08em;
  border-radius: 2px;
  border: 1px solid rgba(255,255,255,0.15);
  box-shadow: inset 0 0 0 1px var(--accent);
}

.hero-h1 {
  font-size: clamp(48px, 7vw, 92px);
  line-height: 1.05;
  font-weight: 700;
  letter-spacing: -0.025em;
  margin-bottom: 28px;
}
.hl {
  background: linear-gradient(135deg, var(--gold-1) 0%, var(--gold-2) 50%, var(--gold-3) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: inline-block;
}
.hero-lead {
  font-size: 17px;
  line-height: 1.85;
  color: var(--muted);
  max-width: 560px;
  margin-bottom: 36px;
}
.hero-lead strong { color: var(--text); font-weight: 700; }
.hero-lead b { color: var(--gold-1); font-weight: 700; }

.hero-actions {
  display: flex;
  gap: 14px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.hero-points {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}
.hero-points li b {
  display: block;
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--gold-1);
  margin-bottom: 4px;
}
.hero-points li span {
  font-size: 12px;
  color: var(--dim);
}

/* Hero 卷轴 */
.hero-scroll {
  position: relative;
}
.scroll-paper {
  position: relative;
  background: linear-gradient(180deg, #f3ecd7 0%, #ebe2c6 100%);
  border-radius: 6px;
  padding: 56px 40px 64px;
  color: #2a3528;
  box-shadow:
    0 0 0 1px rgba(212,168,87,0.4),
    0 30px 60px rgba(0,0,0,0.5);
}
.scroll-top, .scroll-bottom {
  position: absolute;
  left: -14px; right: -14px;
  height: 24px;
  background: linear-gradient(180deg, var(--gold-3), var(--gold-2), var(--gold-3));
  border-radius: 3px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.4), inset 0 0 0 1px rgba(255,255,255,0.15);
}
.scroll-top { top: -12px; }
.scroll-bottom { bottom: -12px; }
.scroll-body { display: grid; gap: 22px; }
.scroll-line {
  display: grid;
  grid-template-columns: 130px 1fr 70px;
  gap: 14px;
  align-items: center;
  font-size: 13px;
}
.sl-label { color: #5a6650; font-weight: 500; }
.sl-bar {
  height: 8px;
  background: rgba(212,168,87,0.18);
  border-radius: 999px;
  overflow: hidden;
}
.sl-bar i {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--gold-2), var(--gold-3));
  border-radius: 999px;
  animation: bar-rise 1.6s cubic-bezier(0.4,0,0.2,1) both;
}
@keyframes bar-rise { from { width: 0 !important; } }
.sl-val {
  text-align: right;
  font-weight: 700;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}
.scroll-stamp {
  position: absolute;
  right: 24px;
  bottom: 24px;
  width: 76px; height: 76px;
  border: 2px solid var(--accent);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.05em;
  transform: rotate(-12deg);
  background: rgba(195,60,46,0.04);
  text-align: center;
  line-height: 1.2;
}

/* ===== Section base ===== */
.promise, .download, .scenes, .nodes, .engine, .price, .reviews, .faq, .changelog, .cta-sec { padding: 96px 0; position: relative; z-index: 1; }
.head { margin-bottom: 56px; max-width: 760px; }
.eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--gold-2);
  margin-bottom: 14px;
}
.h2 {
  font-size: clamp(32px, 4.6vw, 56px);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.h2 em {
  font-style: normal;
  background: linear-gradient(135deg, var(--gold-1), var(--gold-3));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.lead {
  font-size: 16px;
  color: var(--muted);
  line-height: 1.75;
  max-width: 640px;
}

/* ===== 三大承诺 ===== */
.promise { background: var(--bg-2); }
.pr-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.pr-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 40px 36px;
  transition: all 0.25s;
}
.pr-card:hover { transform: translateY(-4px); border-color: var(--gold-2); }
.pr-card-hi {
  background: linear-gradient(180deg, var(--surface-2), var(--surface));
  border-color: rgba(212,168,87,0.35);
}
.pr-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px; height: 48px;
  background: linear-gradient(135deg, var(--gold-1), var(--gold-3));
  color: #0a1a13;
  border-radius: 50%;
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 24px;
  letter-spacing: 0.05em;
}
.pr-card h3 {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 12px;
}
.pr-card p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.85;
  margin-bottom: 20px;
}
.pr-card p b { color: var(--gold-1); font-weight: 700; }
.pr-card ul {
  display: grid;
  gap: 10px;
  padding-top: 20px;
  border-top: 1px dashed var(--line-2);
}
.pr-card li {
  font-size: 13.5px;
  color: var(--muted);
  position: relative;
  padding-left: 22px;
}
.pr-card li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--gold-2);
  font-weight: 700;
}

/* ===== Download ===== */
.dl-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.dl-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 32px 28px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  transition: all 0.25s;
  overflow: hidden;
}
.dl-card:hover {
  transform: translateY(-4px);
  border-color: var(--gold-2);
  background: var(--surface-2);
}
.dl-tag {
  display: inline-block;
  width: fit-content;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--gold-1);
  background: rgba(212,168,87,0.1);
  border: 1px solid rgba(212,168,87,0.3);
  padding: 3px 10px;
  border-radius: 999px;
  margin-bottom: 8px;
}
.dl-card h3 {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.005em;
  line-height: 1.25;
  margin-bottom: 4px;
}
.dl-card p {
  font-size: 13px;
  color: var(--muted);
}
.dl-meta {
  font-size: 12px;
  color: var(--dim);
  font-variant-numeric: tabular-nums;
  margin-top: auto;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
}
.dl-arrow {
  position: absolute;
  right: 22px;
  bottom: 22px;
  width: 36px; height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--gold-1), var(--gold-3));
  color: #0a1a13;
  border-radius: 50%;
  font-size: 18px;
  font-weight: 700;
  transition: transform 0.25s;
}
.dl-card:hover .dl-arrow { transform: translate(4px, -4px); }

/* ===== Scenes ===== */
.scenes { background: var(--bg-2); }
.sc-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.sc-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 32px 28px;
  transition: all 0.25s;
  position: relative;
}
.sc-card:hover {
  transform: translateY(-3px);
  border-color: var(--gold-2);
}
.sc-ic {
  width: 56px; height: 56px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(212,168,87,0.1);
  border: 1px solid rgba(212,168,87,0.3);
  color: var(--gold-1);
  border-radius: 12px;
  margin-bottom: 20px;
}
.sc-ic svg { width: 26px; height: 26px; }
.sc-card h3 {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.005em;
  margin-bottom: 10px;
}
.sc-card p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.75;
  margin-bottom: 18px;
}
.sc-tag {
  display: inline-block;
  padding: 4px 12px;
  font-size: 12px;
  color: var(--gold-1);
  background: rgba(212,168,87,0.08);
  border-radius: 999px;
}

/* ===== Nodes 分组色块 ===== */
.nd-groups {
  display: grid;
  gap: 16px;
}
.nd-group {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 24px 28px;
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 28px;
  align-items: center;
}
.nd-group header h3 {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 4px;
}
.nd-group header span {
  font-size: 12px;
  color: var(--gold-2);
  font-weight: 600;
  letter-spacing: 0.05em;
}
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: var(--surface-2);
  border: 1px solid var(--line-2);
  border-radius: 999px;
  font-size: 13px;
  transition: all 0.2s;
}
.chip:hover { border-color: var(--gold-2); background: rgba(212,168,87,0.08); }
.chip b { color: var(--text); font-weight: 500; }
.chip i {
  font-style: normal;
  color: var(--gold-1);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  padding-left: 8px;
  border-left: 1px solid var(--line-2);
}
.nodes-foot {
  font-size: 12px;
  color: var(--dim);
  margin-top: 20px;
  text-align: center;
}

/* ===== Engine ===== */
.engine { background: var(--bg-2); }
.eg-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.eg-card {
  padding: 40px 32px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--surface);
  transition: background 0.2s;
}
.eg-card:hover { background: var(--surface-2); }
.eg-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  color: var(--gold-2);
  letter-spacing: 0.1em;
  margin-bottom: 20px;
}
.eg-card h3 {
  font-size: 21px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 10px;
}
.eg-card p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.8;
}

/* ===== Pricing ===== */
.plan-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.plan {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 40px 32px 32px;
  display: flex;
  flex-direction: column;
  transition: all 0.25s;
}
.plan:hover { transform: translateY(-4px); }
.plan-hi {
  background: linear-gradient(180deg, var(--surface-2), var(--surface));
  border-color: var(--gold-2);
  box-shadow: 0 16px 60px rgba(212,168,87,0.1);
}
.plan-badge {
  position: absolute;
  top: -12px; left: 50%;
  transform: translateX(-50%);
  padding: 4px 14px;
  background: linear-gradient(135deg, var(--gold-1), var(--gold-3));
  color: #0a1a13;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.05em;
}
.plan-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--gold-2);
  letter-spacing: 0.1em;
  margin-bottom: 14px;
  text-transform: uppercase;
}
.plan-price {
  font-size: 48px;
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1;
  margin-bottom: 8px;
}
.plan-hi .plan-price {
  background: linear-gradient(135deg, var(--gold-1), var(--gold-3));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.plan-price span {
  font-size: 14px;
  font-weight: 500;
  color: var(--dim);
  margin-left: 8px;
  -webkit-text-fill-color: var(--dim);
}
.plan-sub {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 28px;
  padding-bottom: 24px;
  border-bottom: 1px dashed var(--line-2);
}
.plan-feat {
  display: grid;
  gap: 12px;
  margin-bottom: 28px;
  flex: 1;
}
.plan-feat li {
  font-size: 14px;
  color: var(--muted);
  padding-left: 24px;
  position: relative;
}
.plan-feat li::before {
  content: "";
  position: absolute;
  left: 0; top: 8px;
  width: 14px; height: 7px;
  border-left: 2px solid var(--gold-2);
  border-bottom: 2px solid var(--gold-2);
  transform: rotate(-45deg);
}
.pay-line {
  margin-top: 32px;
  text-align: center;
  font-size: 13px;
  color: var(--dim);
}

/* ===== Reviews ===== */
.reviews { background: var(--bg-2); }
.rv-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.rv-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 36px 32px;
  position: relative;
}
.rv-card::before {
  content: "\201C";
  position: absolute;
  top: 16px; left: 28px;
  font-size: 72px;
  font-family: Georgia, "Source Han Serif", serif;
  color: var(--gold-2);
  opacity: 0.25;
  line-height: 1;
}
.rv-card blockquote {
  font-size: 15px;
  color: var(--text);
  line-height: 1.85;
  margin-bottom: 24px;
  padding-top: 10px;
  position: relative;
  z-index: 1;
}
.rv-card figcaption {
  padding-top: 18px;
  border-top: 1px dashed var(--line-2);
  font-size: 13px;
}
.rv-card figcaption b {
  display: block;
  color: var(--gold-1);
  font-weight: 700;
  margin-bottom: 2px;
}
.rv-card figcaption span {
  color: var(--dim);
  font-size: 12px;
}

/* ===== FAQ ===== */
.faq-list {
  display: grid;
  gap: 12px;
  max-width: 920px;
  margin: 0 auto;
}
.faq-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 4px 28px;
  transition: border-color 0.2s;
}
.faq-item[open] { border-color: var(--gold-2); background: var(--surface-2); }
.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  list-style: none;
  cursor: pointer;
  padding: 20px 0;
  gap: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary h3 {
  font-size: 16.5px;
  font-weight: 600;
  margin: 0;
  flex: 1;
  letter-spacing: -0.005em;
}
.faq-x {
  flex-shrink: 0;
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--surface-2);
  position: relative;
  transition: background 0.2s;
}
.faq-x::before,
.faq-x::after {
  content: "";
  position: absolute;
  background: var(--gold-2);
  border-radius: 2px;
  top: 50%; left: 50%;
}
.faq-x::before { width: 10px; height: 2px; transform: translate(-50%,-50%); }
.faq-x::after  { width: 2px; height: 10px; transform: translate(-50%,-50%); transition: transform 0.25s; }
.faq-item[open] .faq-x { background: var(--gold-2); }
.faq-item[open] .faq-x::before { background: #0a1a13; }
.faq-item[open] .faq-x::after { transform: translate(-50%,-50%) scaleY(0); }
.faq-item p {
  font-size: 14.5px;
  color: var(--muted);
  line-height: 1.85;
  padding: 4px 0 22px;
  border-top: 1px dashed var(--line-2);
  margin-top: -4px;
  padding-top: 18px;
}
.faq-item p strong { color: var(--text); font-weight: 600; }
.faq-item p a { color: var(--gold-1); text-decoration: underline; text-underline-offset: 3px; }

/* ===== Changelog ===== */
.log {
  display: grid;
  gap: 14px;
  max-width: 920px;
}
.log li {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 26px 30px;
  transition: all 0.25s;
}
.log li:hover { border-color: var(--gold-2); background: var(--surface-2); }
.log li.log-hi {
  border-color: var(--gold-2);
  background: linear-gradient(180deg, var(--surface-2), var(--surface));
}
.log-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}
.log-meta time {
  font-size: 13px;
  color: var(--dim);
  font-variant-numeric: tabular-nums;
}
.log-tag {
  display: inline-block;
  padding: 2px 10px;
  font-size: 12px;
  font-weight: 700;
  color: var(--gold-1);
  background: var(--surface-2);
  border: 1px solid var(--line-2);
  border-radius: 999px;
  letter-spacing: 0.04em;
}
.log-hi .log-tag {
  background: linear-gradient(135deg, var(--gold-1), var(--gold-3));
  color: #0a1a13;
  border-color: transparent;
}
.log li h3 {
  font-size: 17.5px;
  font-weight: 700;
  margin-bottom: 8px;
}
.log li p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.8;
}

/* ===== CTA ===== */
.cta-sec { padding: 60px 0 110px; }
.cta-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 56px 64px;
  background:
    radial-gradient(ellipse at top right, rgba(212,168,87,0.2), transparent 60%),
    var(--surface);
  border: 1px solid var(--gold-2);
  border-radius: 22px;
  position: relative;
  overflow: hidden;
}
.cta-eye {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  color: var(--gold-1);
  letter-spacing: 0.2em;
  margin-bottom: 12px;
}
.cta-card h2 {
  font-size: clamp(30px, 4vw, 46px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 8px;
}
.cta-card p {
  font-size: 15px;
  color: var(--muted);
}

/* ===== Footer ===== */
.ft {
  border-top: 1px solid var(--line);
  background: var(--bg-2);
  padding: 72px 0 32px;
}
.ft-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 56px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--line);
}
.ft-brand .logo { margin-bottom: 16px; }
.ft-brand p {
  font-size: 14px;
  color: var(--dim);
  line-height: 1.75;
}
.ft h4 {
  font-size: 12px;
  font-weight: 700;
  color: var(--gold-2);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.ft ul li {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 11px;
  transition: color 0.2s;
}
.ft ul li a:hover { color: var(--gold-1); }

.ft-friend {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 18px;
  padding: 22px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 13px;
}
.ft-friend > span { color: var(--dim); }
.ft-friend a {
  color: var(--muted);
  transition: color 0.2s;
}
.ft-friend a:hover { color: var(--gold-1); }

.ft-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 22px;
  font-size: 13px;
  color: var(--dim);
  flex-wrap: wrap;
  gap: 16px;
}
.ft-bottom > div {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.ft-bottom a { color: var(--dim); }
.ft-bottom a:hover { color: var(--gold-1); }
.ft-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--good);
  font-weight: 600;
}
.dot-on {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--good);
  box-shadow: 0 0 0 4px rgba(124,193,107,0.18);
  animation: dot-pulse 2s ease-in-out infinite;
}
@keyframes dot-pulse { 50% { box-shadow: 0 0 0 7px rgba(124,193,107,0); } }

/* ===== Toast ===== */
.toast {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--gold-2);
  color: #0a1a13;
  padding: 10px 22px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  opacity: 0;
  pointer-events: none;
  transition: all 0.25s;
  z-index: 1000;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ===== Responsive ===== */
@media (max-width: 1080px) {
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-scroll { max-width: 520px; }
  .dl-row { grid-template-columns: repeat(2, 1fr); }
  .sc-grid { grid-template-columns: repeat(2, 1fr); }
  .pr-grid { grid-template-columns: 1fr; }
  .eg-grid { grid-template-columns: repeat(2, 1fr); }
  .rv-grid { grid-template-columns: 1fr; }
  .nd-group { grid-template-columns: 1fr; gap: 16px; }
}
@media (max-width: 760px) {
  .nav-menu { display: none; }
  .nav-burger { display: inline-flex; }
  .nav-menu.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0; right: 0;
    background: rgba(10,26,19,0.96);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--line);
    padding: 18px 28px 28px;
    gap: 14px;
  }
  .container { padding: 0 20px; }
  .hero { padding: 56px 0 72px; }
  .promise, .download, .scenes, .nodes, .engine, .price, .reviews, .faq, .changelog, .cta-sec { padding: 64px 0; }
  .hero-h1 { font-size: 48px; }
  .hero-points { grid-template-columns: repeat(2, 1fr); }
  .scroll-paper { padding: 44px 28px 52px; }
  .scroll-line { grid-template-columns: 100px 1fr 60px; gap: 10px; font-size: 12px; }
  .dl-row { grid-template-columns: 1fr; }
  .sc-grid { grid-template-columns: 1fr; }
  .eg-grid { grid-template-columns: 1fr; }
  .plan-grid { grid-template-columns: 1fr; }
  .cta-card { flex-direction: column; text-align: center; padding: 40px 28px; }
  .ft-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .ft-bottom { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 480px) {
  .ft-grid { grid-template-columns: 1fr; }
}