/* ============================================================
   GAD 数字收藏平台 · 官网样式
   ============================================================ */

:root {
  --bg: #05060b;
  --bg-soft: #0a0d16;
  --bg-card: rgba(255, 255, 255, 0.035);
  --bg-card-2: rgba(255, 255, 255, 0.06);
  --line: rgba(255, 255, 255, 0.09);
  --line-2: rgba(255, 255, 255, 0.16);

  --gold: #f2c879;
  --gold-2: #dfa63f;
  --gold-3: #b8812a;
  --ice: #8fe9e4;
  --violet: #9a8cff;

  --text: #edf1f8;
  --text-2: #aeb7c9;
  --text-3: #78839a;

  --radius: 20px;
  --radius-sm: 12px;
  --wrap: 1220px;

  --shadow: 0 24px 70px -30px rgba(0, 0, 0, 0.9);
  --glow-gold: 0 0 0 1px rgba(242, 200, 121, 0.28), 0 18px 60px -18px rgba(223, 166, 63, 0.45);

  --ease: cubic-bezier(0.22, 0.68, 0.24, 1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Microsoft YaHei", "Noto Sans SC", "Hiragino Sans GB", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { margin: 0; line-height: 1.25; letter-spacing: -0.01em; font-weight: 700; }
p { margin: 0; }

::selection { background: rgba(242, 200, 121, 0.28); color: #fff; }

/* ---------- 布局 ---------- */
.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 40px;
}
.section { position: relative; padding: 120px 0; }
.section--tight { padding: 84px 0; }

/* ---------- 通用元件 ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 600;
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold));
}

.title {
  font-size: clamp(30px, 4vw, 46px);
  margin-top: 18px;
  letter-spacing: -0.02em;
}
.title--xl { font-size: clamp(38px, 6vw, 66px); }
.lead {
  margin-top: 18px;
  color: var(--text-2);
  font-size: 17px;
  max-width: 62ch;
}

.grad {
  background: linear-gradient(100deg, #fff8e6 0%, var(--gold) 42%, var(--gold-2) 78%, #fff3d4 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  height: 50px;
  padding: 0 26px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease),
    background 0.25s var(--ease), border-color 0.25s var(--ease), color 0.25s var(--ease);
  white-space: nowrap;
}
.btn--gold {
  background: linear-gradient(135deg, #ffe6b0, var(--gold) 40%, var(--gold-2));
  color: #241703;
  box-shadow: 0 12px 34px -12px rgba(223, 166, 63, 0.75);
}
.btn--gold:hover { transform: translateY(-2px); box-shadow: 0 18px 44px -12px rgba(223, 166, 63, 0.9); }
.btn--ghost {
  border-color: var(--line-2);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  backdrop-filter: blur(8px);
}
.btn--ghost:hover { border-color: rgba(242, 200, 121, 0.6); background: rgba(242, 200, 121, 0.1); transform: translateY(-2px); }
.btn--sm { height: 40px; padding: 0 18px; font-size: 14px; }

.chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 13px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  font-size: 13px;
  color: var(--text-2);
}
.chip i { width: 6px; height: 6px; border-radius: 50%; background: var(--gold); display: block; }

.card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02));
  padding: 30px;
  overflow: hidden;
  transition: transform 0.35s var(--ease), border-color 0.35s var(--ease);
}
.card::after {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 0%), rgba(242, 200, 121, 0.16), transparent 60%);
  opacity: 0;
  transition: opacity 0.35s var(--ease);
  pointer-events: none;
}
.card:hover { transform: translateY(-6px); border-color: rgba(242, 200, 121, 0.34); }
.card:hover::after { opacity: 1; }

/* ---------- 顶部导航 ---------- */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 90;
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease), backdrop-filter 0.3s;
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  background: rgba(6, 8, 14, 0.82);
  backdrop-filter: blur(18px) saturate(160%);
  border-bottom-color: var(--line);
}
.nav__inner {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 40px;
  height: 74px;
  display: flex;
  align-items: center;
  gap: 28px;
}
.brand { display: flex; align-items: center; gap: 11px; font-weight: 800; letter-spacing: 0.02em; font-size: 18px; }
.brand__mark { width: 32px; height: 32px; filter: drop-shadow(0 4px 14px rgba(223, 166, 63, 0.55)); }
.brand small {
  display: block;
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--text-3);
  margin-top: -4px;
}
.nav__links { display: flex; align-items: center; gap: 30px; margin-left: auto; }
.nav__links a {
  font-size: 14.5px;
  color: var(--text-2);
  position: relative;
  padding: 6px 0;
  white-space: nowrap;
  transition: color 0.2s;
}
.nav__links a::after {
  content: "";
  position: absolute;
  left: 0; right: 100%; bottom: 0;
  height: 1px;
  background: var(--gold);
  transition: right 0.28s var(--ease);
}
.nav__links a:hover { color: #fff; }
.nav__links a:hover::after { right: 0; }
.nav__cta { display: flex; align-items: center; gap: 12px; }
.nav__toggle {
  display: none;
  margin-left: auto;
  width: 42px; height: 42px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  cursor: pointer;
  padding: 11px 9px;
}
.nav__toggle span { display: block; height: 1.6px; background: var(--text); border-radius: 2px; transition: 0.28s var(--ease); }
.nav__toggle span + span { margin-top: 5px; }
.nav.is-open .nav__toggle span:nth-child(1) { transform: translateY(6.6px) rotate(45deg); }
.nav.is-open .nav__toggle span:nth-child(2) { opacity: 0; }
.nav.is-open .nav__toggle span:nth-child(3) { transform: translateY(-6.6px) rotate(-45deg); }

/* ---------- 首屏 ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: 140px 0 80px;
  overflow: hidden;
}
.hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(1000px 620px at 78% 26%, rgba(223, 166, 63, 0.2), transparent 62%),
    radial-gradient(760px 560px at 8% 82%, rgba(143, 233, 228, 0.13), transparent 65%),
    radial-gradient(900px 700px at 50% -10%, rgba(154, 140, 255, 0.14), transparent 60%);
  pointer-events: none;
}
.hero__grid-lines {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 76px 76px;
  mask-image: radial-gradient(1200px 800px at 60% 40%, #000 20%, transparent 78%);
  -webkit-mask-image: radial-gradient(1200px 800px at 60% 40%, #000 20%, transparent 78%);
  pointer-events: none;
}
.hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 60px;
  align-items: center;
}
.hero__tag { margin-bottom: 22px; }
.hero h1 {
  font-size: clamp(42px, 5.4vw, 74px);
  line-height: 1.12;
  letter-spacing: -0.03em;
}
.hero h1 .line2 { display: block; font-size: 0.62em; margin-top: 10px; color: #fff; opacity: 0.94; }
.hero__desc {
  margin-top: 26px;
  color: var(--text-2);
  font-size: 17.5px;
  max-width: 46ch;
}
.hero__actions { margin-top: 38px; display: flex; gap: 14px; flex-wrap: wrap; }
.hero__meta { margin-top: 30px; display: flex; gap: 10px; flex-wrap: wrap; }

/* 主视觉：徽章 */
.hero__visual { position: relative; height: 560px; }
.gem-stage { position: absolute; inset: 0; display: grid; place-items: center; }
.gem-halo {
  position: absolute;
  width: 460px; height: 460px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(242, 200, 121, 0.3), rgba(242, 200, 121, 0.05) 45%, transparent 68%);
  filter: blur(6px);
  animation: breathe 7s ease-in-out infinite;
}
.badge {
  position: absolute;
  width: 420px; height: 420px;
}
.badge svg { width: 100%; height: 100%; overflow: visible; }
.badge-spin {
  transform-box: fill-box;
  transform-origin: 50% 50%;
  animation: spin 34s linear infinite;
}
.badge-ring-out { fill: none; stroke: var(--gold); stroke-width: 2.5; opacity: .9; }
.badge-ring-stud {
  fill: none; stroke: var(--gold); stroke-width: 6;
  stroke-linecap: round; stroke-dasharray: 1 11; opacity: .8;
}
.badge-ring-in { fill: none; stroke: var(--gold); stroke-width: 1.4; opacity: .45; }
.badge-star {
  fill: var(--gold);
  filter: drop-shadow(0 0 10px rgba(242, 200, 121, .7));
}

/* 悬浮标题宣传语 */
.dream {
  position: absolute;
  inset: 0;
  margin: auto;
  width: 340px;
  height: max-content;
  z-index: 4;
  padding: 26px 24px 28px;
  text-align: center;
  animation: float 7.5s ease-in-out infinite;
}
.dream__eyebrow {
  font-size: 11px;
  letter-spacing: .26em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 14px;
  text-shadow: 0 1px 8px rgba(0, 0, 0, .6);
}
.dream__title {
  font-size: 46px;
  line-height: 1.04;
  font-weight: 800;
  letter-spacing: .01em;
  color: #fff;
  text-shadow: 0 2px 10px rgba(0, 0, 0, .68), 0 6px 34px rgba(0, 0, 0, .55);
}
.dream__tag {
  margin-top: 16px;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--text-2);
  text-shadow: 0 1px 8px rgba(0, 0, 0, .6);
}
.dream__title .grad {
  text-shadow: 0 2px 8px rgba(0, 0, 0, .6), 0 6px 26px rgba(0, 0, 0, .5);
}

@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-14px); } }
@keyframes breathe { 0%,100% { opacity: 0.75; transform: scale(1); } 50% { opacity: 1; transform: scale(1.06); } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes twinkle { 0%,100% { opacity: 0.25; transform: scale(0.8); } 45% { opacity: 1; transform: scale(1.15); } }
@keyframes sheen { 0% { transform: translateX(-120%); } 55%,100% { transform: translateX(120%); } }

/* 数据条 */
.stats {
  position: relative;
  margin-top: 74px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255,255,255,0.04), transparent);
}
.stats__grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat { padding: 30px 22px; border-left: 1px solid var(--line); }
.stat:first-child { border-left: 0; padding-left: 0; }
.stat__num { font-size: clamp(24px, 2.6vw, 34px); font-weight: 800; letter-spacing: -0.02em; }
.stat__num em { font-style: normal; font-size: 0.55em; color: var(--text-3); margin-left: 4px; }
.stat__label { font-size: 13px; color: var(--text-3); margin-top: 4px; }

/* ---------- 滚动字幕 ---------- */
.ticker {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  padding: 18px 0;
  background: rgba(255, 255, 255, 0.02);
}
.ticker__track {
  display: flex;
  gap: 52px;
  width: max-content;
  animation: marquee 34s linear infinite;
}
.ticker:hover .ticker__track { animation-play-state: paused; }
.ticker span {
  font-size: 15px;
  letter-spacing: 0.06em;
  color: var(--text-3);
  display: flex;
  align-items: center;
  gap: 52px;
  white-space: nowrap;
}
.ticker span::after { content: "◆"; color: var(--gold); font-size: 9px; opacity: 0.75; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- 板块标题 ---------- */
.head { max-width: 720px; }
.head--center { margin: 0 auto; text-align: center; }
.head--center .eyebrow::before { display: none; }
.head--center .lead { margin-left: auto; margin-right: auto; }

/* ---------- 价值亮点 ---------- */
.values { margin-top: 56px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.value__icon {
  width: 52px; height: 52px;
  border-radius: 15px;
  display: grid; place-items: center;
  background: linear-gradient(140deg, rgba(242, 200, 121, 0.22), rgba(143, 233, 228, 0.12));
  border: 1px solid rgba(242, 200, 121, 0.3);
  margin-bottom: 20px;
}
.value__icon svg { width: 24px; height: 24px; }
.value h3 { font-size: 19px; }
.value p { margin-top: 10px; color: var(--text-2); font-size: 15px; }

/* ---------- 双核心功能 ---------- */
.feature {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: center;
  margin-top: 90px;
}
.feature--rev .feature__copy { order: 2; }
.feature__copy h3 { font-size: clamp(26px, 3vw, 36px); }
.feature__copy > p { margin-top: 16px; color: var(--text-2); }
.checks { margin-top: 26px; display: grid; gap: 14px; }
.check { display: flex; gap: 12px; align-items: flex-start; }
.check svg { width: 19px; height: 19px; margin-top: 3px; flex: 0 0 19px; }
.check b { display: block; font-size: 15.5px; font-weight: 700; }
.check span { color: var(--text-3); font-size: 14px; }
.feature__cta { margin-top: 32px; display: flex; gap: 12px; flex-wrap: wrap; }

/* 产品模拟界面 */
.mock {
  position: relative;
  border-radius: 26px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255,255,255,0.07), rgba(255,255,255,0.02));
  padding: 26px;
  box-shadow: var(--shadow);
}
.mock::before {
  content: "";
  position: absolute; inset: -40% 20% auto -20%;
  height: 320px;
  background: radial-gradient(circle, rgba(242, 200, 121, 0.24), transparent 70%);
  filter: blur(30px);
  pointer-events: none;
}
.mock__bar { display: flex; align-items: center; gap: 8px; margin-bottom: 20px; }
.mock__bar i { width: 9px; height: 9px; border-radius: 50%; background: rgba(255,255,255,0.22); display: block; }
.mock__bar i:first-child { background: rgba(242, 200, 121, 0.7); }
.mock__url {
  margin-left: 8px;
  font-size: 11.5px;
  color: var(--text-3);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 3px 12px;
}
.mint__drop {
  border: 1.5px dashed rgba(242, 200, 121, 0.45);
  border-radius: 16px;
  height: 156px;
  display: grid;
  place-items: center;
  text-align: center;
  background: rgba(242, 200, 121, 0.05);
}
.mint__drop svg { width: 34px; height: 34px; margin: 0 auto 10px; }
.mint__drop p { font-size: 13.5px; color: var(--text-2); }
.mint__field { margin-top: 16px; }
.mint__label { font-size: 12.5px; color: var(--text-3); margin-bottom: 7px; }
.mint__input {
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.04);
  border-radius: 11px;
  padding: 11px 14px;
  font-size: 13.5px;
  color: var(--text-2);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.mint__input b { color: var(--gold); font-weight: 600; }
.mint__row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 14px; }
.mint__btn {
  margin-top: 18px;
  width: 100%;
  height: 46px;
  border-radius: 13px;
  border: 0;
  background: linear-gradient(135deg, #ffe6b0, var(--gold) 45%, var(--gold-2));
  color: #241703;
  font-weight: 700;
  font-size: 15px;
  display: grid;
  place-items: center;
}
.mint__note { margin-top: 12px; font-size: 11.5px; color: var(--text-3); text-align: center; }

/* 实体赋能 mock */
.goods { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 18px; align-items: stretch; }
.goods__box {
  border-radius: 16px;
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(242,200,121,0.16), rgba(154,140,255,0.1));
  display: grid;
  place-items: center;
  min-height: 190px;
}
.goods__box svg { width: 92px; height: 92px; }
.goods__info { display: flex; flex-direction: column; gap: 12px; }
.goods__name { font-size: 16px; font-weight: 700; }
.goods__price { color: var(--gold); font-size: 20px; font-weight: 800; }
.goods__tags { display: flex; gap: 8px; flex-wrap: wrap; }
.goods__nft {
  border: 1px solid rgba(242,200,121,0.35);
  border-radius: 13px;
  background: rgba(242,200,121,0.08);
  padding: 12px 14px;
  font-size: 12.5px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.goods__nft b { color: var(--gold); }

/* ---------- 流程 ---------- */
.steps { margin-top: 60px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; position: relative; }
.step { position: relative; padding-top: 34px; }
.step__num {
  position: absolute; top: -6px; left: 0;
  font-size: 52px; font-weight: 800;
  color: transparent;
  -webkit-text-stroke: 1px rgba(242, 200, 121, 0.4);
  line-height: 1;
}
.step h4 { font-size: 18px; margin-top: 14px; }
.step p { margin-top: 8px; color: var(--text-3); font-size: 14.5px; }
.step + .step::before {
  content: "";
  position: absolute; left: -24px; top: 46px;
  width: 24px; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(242,200,121,0.55));
}

/* ---------- GAD 代币面板 ---------- */
.token {
  margin-top: 56px;
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 40px;
  align-items: center;
  padding: 44px;
  border-radius: 28px;
  border: 1px solid var(--line);
  background:
    radial-gradient(700px 400px at 12% 10%, rgba(242,200,121,0.14), transparent 60%),
    linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02));
  box-shadow: var(--shadow);
}
.donut { position: relative; width: 300px; max-width: 100%; margin: 0 auto; }
.donut svg { width: 100%; height: auto; transform: rotate(-90deg); }
.donut circle { fill: none; stroke-linecap: round; }
.donut__center {
  position: absolute; inset: 0;
  display: grid; place-content: center; text-align: center;
}
.donut__center b { display: block; font-size: 27px; font-weight: 800; }
.donut__center span { font-size: 12px; color: var(--text-3); }
.donut__legend { margin-top: 22px; display: grid; gap: 10px; }
.lg { display: flex; align-items: center; gap: 10px; font-size: 13.5px; color: var(--text-2); }
.lg i { width: 10px; height: 10px; border-radius: 3px; display: block; }
.lg b { margin-left: auto; color: #fff; font-weight: 700; }

.facts { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.fact {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px 18px;
  background: rgba(255,255,255,0.03);
}
.fact span { font-size: 12.5px; color: var(--text-3); display: block; }
.fact b { font-size: 17px; font-weight: 700; letter-spacing: -0.01em; }
.contracts { margin-top: 16px; display: grid; gap: 12px; }
.contract {
  display: flex; align-items: center; gap: 12px;
  border: 1px solid var(--line);
  border-radius: 13px;
  padding: 12px 16px;
  background: rgba(255,255,255,0.03);
}
.contract__tag {
  font-size: 11.5px; color: var(--gold);
  border: 1px solid rgba(242,200,121,0.35);
  border-radius: 999px; padding: 2px 10px;
  white-space: nowrap;
}
.contract__addr {
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 12px; color: var(--text-2);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  flex: 1;
}
.contract__copy {
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.05);
  color: var(--text-2);
  border-radius: 9px;
  font-size: 12px;
  padding: 5px 11px;
  cursor: pointer;
  transition: 0.2s;
}
.contract__copy:hover { color: var(--gold); border-color: rgba(242,200,121,0.45); }

/* ---------- 生态 ---------- */
.eco { margin-top: 56px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.eco__card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 24px;
  background: linear-gradient(180deg, rgba(255,255,255,0.055), rgba(255,255,255,0.015));
  display: flex;
  flex-direction: column;
  min-height: 250px;
  transition: 0.35s var(--ease);
}
.eco__card:hover { transform: translateY(-6px); border-color: rgba(242,200,121,0.4); background: linear-gradient(180deg, rgba(242,200,121,0.1), rgba(255,255,255,0.02)); }
.eco__logo {
  width: 46px; height: 46px; border-radius: 13px;
  display: grid; place-items: center;
  border: 1px solid var(--line-2);
  background: rgba(255,255,255,0.05);
  margin-bottom: 18px;
}
.eco__logo svg { width: 22px; height: 22px; }
.eco__card h4 { font-size: 17.5px; }
.eco__card p { margin-top: 9px; font-size: 14px; color: var(--text-3); flex: 1; }
.eco__link {
  margin-top: 18px;
  font-size: 13.5px;
  color: var(--gold);
  display: inline-flex; align-items: center; gap: 6px;
}
.eco__link svg { width: 14px; height: 14px; transition: transform 0.25s; }
.eco__card:hover .eco__link svg { transform: translate(3px, -3px); }

/* ---------- 技术架构 ---------- */
.arch { margin-top: 56px; display: grid; gap: 14px; }
.layer {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 24px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 22px 26px;
  background: linear-gradient(90deg, rgba(255,255,255,0.05), rgba(255,255,255,0.015));
  transition: 0.3s var(--ease);
}
.layer:hover { border-color: rgba(242,200,121,0.36); transform: translateX(6px); }
.layer__name { font-weight: 700; font-size: 15.5px; }
.layer__name span { display: block; font-size: 11.5px; color: var(--text-3); font-weight: 500; letter-spacing: 0.1em; margin-top: 2px; }
.layer__items { display: flex; gap: 10px; flex-wrap: wrap; }
.layer__items em {
  font-style: normal;
  font-size: 12.5px;
  color: var(--text-2);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 13px;
  background: rgba(255,255,255,0.03);
}

/* ---------- 合规 / CTA ---------- */
.notice {
  border: 1px solid rgba(242, 200, 121, 0.28);
  background: rgba(242, 200, 121, 0.06);
  border-radius: var(--radius);
  padding: 28px 30px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 22px;
  align-items: start;
}
.notice svg { width: 26px; height: 26px; margin-top: 4px; }
.notice h4 { font-size: 17px; }
.notice p { color: var(--text-2); font-size: 14.5px; margin-top: 8px; }

.cta-band {
  position: relative;
  margin: 120px 0 0;
  padding: 84px 0;
  text-align: center;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.cta-band::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(760px 420px at 50% 30%, rgba(223,166,63,0.22), transparent 65%);
  pointer-events: none;
}
.cta-band h2 { font-size: clamp(28px, 4vw, 44px); }
.cta-band p { margin-top: 16px; color: var(--text-2); }
.cta-band .btn { margin: 34px 7px 0; }

/* ---------- 页脚 ---------- */
.footer { padding: 70px 0 40px; background: #04050a; }
.footer__grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 44px; }
.footer h5 { font-size: 13px; color: var(--text-3); letter-spacing: 0.14em; text-transform: uppercase; margin-bottom: 16px; }
.footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.footer ul a { font-size: 14px; color: var(--text-2); transition: color 0.2s; }
.footer ul a:hover { color: var(--gold); }
.footer__about p { font-size: 14px; color: var(--text-3); margin-top: 16px; max-width: 34ch; }
.footer__bottom {
  margin-top: 52px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--text-3);
}

/* ---------- 白皮书页 ---------- */
.wp-hero {
  padding: 150px 0 60px;
  border-bottom: 1px solid var(--line);
  background: radial-gradient(900px 500px at 70% 0%, rgba(223,166,63,0.16), transparent 62%);
}
.wp-layout { display: grid; grid-template-columns: 260px 1fr; gap: 60px; padding: 70px 0 100px; align-items: start; }
.wp-toc { position: sticky; top: 100px; }
.wp-toc h5 { font-size: 12px; letter-spacing: 0.16em; color: var(--text-3); text-transform: uppercase; margin-bottom: 16px; }
.wp-toc ol { list-style: none; padding: 0; margin: 0; display: grid; gap: 4px; counter-reset: t; }
.wp-toc a {
  display: block;
  font-size: 14px;
  color: var(--text-2);
  padding: 8px 14px;
  border-left: 2px solid var(--line);
  transition: 0.22s;
}
.wp-toc a:hover, .wp-toc a.is-active { color: var(--gold); border-left-color: var(--gold); background: rgba(242,200,121,0.07); }
.wp-body { max-width: 760px; }
.wp-body h2 {
  font-size: 27px;
  margin-top: 56px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}
.wp-body h2:first-child { margin-top: 0; border-top: 0; padding-top: 0; }
.wp-body h3 { font-size: 19px; margin-top: 32px; color: var(--gold); }
.wp-body p { margin-top: 16px; color: var(--text-2); }
.wp-body ul { margin: 16px 0 0; padding-left: 0; list-style: none; display: grid; gap: 10px; }
.wp-body li { position: relative; padding-left: 20px; color: var(--text-2); }
.wp-body li::before { content: "◆"; position: absolute; left: 0; color: var(--gold); font-size: 9px; top: 6px; }
.wp-table { margin-top: 22px; border: 1px solid var(--line); border-radius: var(--radius-sm); overflow: hidden; }
.wp-table table { width: 100%; border-collapse: collapse; font-size: 14px; }
.wp-table th, .wp-table td { padding: 12px 16px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.wp-table th { background: rgba(255,255,255,0.05); color: #fff; font-weight: 700; }
.wp-table td:first-child { color: var(--text-3); white-space: nowrap; }
.wp-table tr:last-child td { border-bottom: 0; }
.wp-meta { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 24px; }

/* ---------- 动画 ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.75s var(--ease), transform 0.75s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .hero__inner { grid-template-columns: 1fr; text-align: left; }
  .hero__visual { height: 440px; margin-top: 20px; }
  .values, .eco { grid-template-columns: repeat(2, 1fr); }
  .feature { grid-template-columns: 1fr; gap: 40px; }
  .feature--rev .feature__copy { order: 0; }
  .token { grid-template-columns: 1fr; }
  .wp-layout { grid-template-columns: 1fr; }
  .wp-toc { position: static; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  .section { padding: 76px 0; }
  .wrap, .nav__inner { padding: 0 20px; }
  .nav__links, .nav__cta { display: none; }
  .nav__toggle { display: block; }
  .nav.is-open .nav__links,
  .nav.is-open .nav__cta {
    display: flex;
    position: absolute;
    left: 0; right: 0;
    top: 74px;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: 18px 20px 24px;
    background: rgba(6, 8, 14, 0.97);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--line);
  }
  .nav.is-open .nav__cta { top: calc(74px + 210px); padding-top: 0; border-bottom: 0; }
  .nav.is-open .nav__links a { padding: 10px 0; font-size: 16px; width: 100%; }
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .stat { padding: 20px 14px; border-left: 0; padding-left: 0; }
  .values, .steps, .eco, .facts, .footer__grid { grid-template-columns: 1fr; }
  .goods { grid-template-columns: 1fr; }
  .layer { grid-template-columns: 1fr; gap: 12px; }
  .step + .step::before { display: none; }
  .notice { grid-template-columns: 1fr; }
  .token, .mock { padding: 24px; }
  .dream { width: 272px; padding: 20px 18px 22px; }
  .dream__title { font-size: 34px; }
  .badge { width: 330px; height: 330px; }
  .cta-band { padding: 60px 0; }
  .wp-hero { padding: 120px 0 44px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001s !important; transition-duration: 0.001s !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ============================================================
   顶部工具：主题切换 + 语言切换
   ============================================================ */
.nav__tools { display: flex; align-items: center; gap: 10px; }
.theme-toggle {
  width: 40px; height: 40px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  cursor: pointer;
  display: grid; place-items: center;
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease), background 0.25s;
}
.theme-toggle:hover { border-color: rgba(242, 200, 121, 0.6); transform: translateY(-1px); }
.theme-toggle svg { width: 18px; height: 18px; }
.lang-switch {
  display: flex; gap: 2px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 3px;
  background: rgba(255, 255, 255, 0.04);
}
.lang-switch button {
  border: 0; background: transparent;
  color: var(--text-2); cursor: pointer;
  font-size: 12.5px; font-weight: 700; letter-spacing: 0.02em;
  padding: 5px 10px; border-radius: 999px;
  transition: color 0.2s, background 0.2s;
}
.lang-switch button:hover { color: var(--text); }
.lang-switch button.is-active {
  background: linear-gradient(135deg, #ffe6b0, var(--gold) 45%, var(--gold-2));
  color: #241703;
}

/* 主题切换图标：深色主题显示太阳（点击转浅色），浅色主题显示月亮 */
.theme-toggle .i-sun { display: block; }
.theme-toggle .i-moon { display: none; }
:root[data-theme="light"] .theme-toggle .i-sun { display: none; }
:root[data-theme="light"] .theme-toggle .i-moon { display: block; }

/* ============================================================
   白色（浅色）主题
   ============================================================ */
:root[data-theme="light"] {
  --bg: #f5f7fc;
  --bg-soft: #eef1f8;
  --bg-card: rgba(17, 24, 43, 0.03);
  --bg-card-2: rgba(17, 24, 43, 0.05);
  --line: rgba(17, 24, 43, 0.1);
  --line-2: rgba(17, 24, 43, 0.18);

  --text: #16203c;
  --text-2: #4c5874;
  --text-3: #8b94ab;

  --shadow: 0 24px 70px -34px rgba(28, 40, 80, 0.38);
  --glow-gold: 0 0 0 1px rgba(223, 166, 63, 0.3), 0 18px 50px -20px rgba(223, 166, 63, 0.42);
}

:root[data-theme="light"] .grad {
  background: linear-gradient(100deg, #b8812a 0%, var(--gold-2) 55%, #a9741f 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
:root[data-theme="light"] ::selection { background: rgba(223, 166, 63, 0.22); color: #16203c; }
:root[data-theme="light"] .hero h1 .line2 { color: #16203c; }

:root[data-theme="light"] .nav.is-scrolled { background: rgba(245, 247, 252, 0.84); }
:root[data-theme="light"] .nav__links a:hover { color: var(--gold-2); }
:root[data-theme="light"] .nav__toggle { background: rgba(17, 24, 43, 0.04); }
:root[data-theme="light"] .nav.is-open .nav__links,
:root[data-theme="light"] .nav.is-open .nav__cta {
  background: rgba(245, 247, 252, 0.98);
  border-bottom-color: var(--line);
}
:root[data-theme="light"] .theme-toggle,
:root[data-theme="light"] .lang-switch { background: rgba(17, 24, 43, 0.04); }

:root[data-theme="light"] .hero__grid-lines {
  background-image: linear-gradient(rgba(17, 24, 43, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(17, 24, 43, 0.05) 1px, transparent 1px);
}
:root[data-theme="light"] .gem-halo { background: radial-gradient(circle, rgba(242, 200, 121, 0.34), rgba(242, 200, 121, 0.06) 45%, transparent 68%); }
:root[data-theme="light"] .badge-ring-out,
:root[data-theme="light"] .badge-ring-stud,
:root[data-theme="light"] .badge-ring-in { stroke: #b8860b; }
:root[data-theme="light"] .badge-star { fill: #b8860b; filter: drop-shadow(0 0 8px rgba(184, 134, 11, .5)); }

:root[data-theme="light"] .dream {
  background: none;
  border: 0;
}
:root[data-theme="light"] .dream__title { color: #1a1206; text-shadow: 0 1px 2px rgba(255,255,255,.55), 0 4px 18px rgba(255,255,255,.45); }
:root[data-theme="light"] .dream__eyebrow { color: var(--text-3); text-shadow: 0 1px 6px rgba(255,255,255,.7); }
:root[data-theme="light"] .dream__tag { color: var(--text-2); text-shadow: 0 1px 6px rgba(255,255,255,.7); }
:root[data-theme="light"] .dream__title .grad { text-shadow: none; }

:root[data-theme="light"] .stats { background: linear-gradient(180deg, rgba(17, 24, 43, 0.025), transparent); }
:root[data-theme="light"] .ticker { background: rgba(17, 24, 43, 0.02); }

:root[data-theme="light"] .card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.7));
  border-color: var(--line);
}
:root[data-theme="light"] .card::after {
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 0%), rgba(223, 166, 63, 0.14), transparent 60%);
}
:root[data-theme="light"] .card:hover { border-color: rgba(223, 166, 63, 0.42); }

:root[data-theme="light"] .btn--ghost { background: rgba(17, 24, 43, 0.04); }
:root[data-theme="light"] .chip { background: rgba(17, 24, 43, 0.04); }

:root[data-theme="light"] .mock { background: linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.72)); }
:root[data-theme="light"] .mint__input { background: rgba(17, 24, 43, 0.04); }
:root[data-theme="light"] .mock__bar i { background: rgba(17, 24, 43, 0.2); }

:root[data-theme="light"] .token {
  background: radial-gradient(700px 400px at 12% 10%, rgba(242, 200, 121, 0.16), transparent 60%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.7));
}
:root[data-theme="light"] .donut circle:first-of-type { stroke: rgba(17, 24, 43, 0.08); }
:root[data-theme="light"] .lg b { color: var(--text); }
:root[data-theme="light"] .fact { background: rgba(17, 24, 43, 0.035); }
:root[data-theme="light"] .contract { background: rgba(17, 24, 43, 0.035); }
:root[data-theme="light"] .contract__copy { background: rgba(17, 24, 43, 0.05); }

:root[data-theme="light"] .eco__card { background: linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.68)); }
:root[data-theme="light"] .eco__card:hover { background: linear-gradient(180deg, rgba(242, 200, 121, 0.16), rgba(255, 255, 255, 0.7)); }
:root[data-theme="light"] .eco__logo { background: rgba(17, 24, 43, 0.04); }

:root[data-theme="light"] .layer { background: linear-gradient(90deg, rgba(255, 255, 255, 0.85), rgba(255, 255, 255, 0.6)); }
:root[data-theme="light"] .layer__items em { background: rgba(17, 24, 43, 0.04); }

:root[data-theme="light"] .notice { background: rgba(242, 200, 121, 0.12); }

:root[data-theme="light"] .footer { background: #e9edf5; }
:root[data-theme="light"] .footer__bottom { color: var(--text-3); }

:root[data-theme="light"] .wp-hero {
  background: radial-gradient(900px 500px at 70% 0%, rgba(223, 166, 63, 0.18), transparent 62%);
}
:root[data-theme="light"] .wp-table th { background: rgba(17, 24, 43, 0.045); color: var(--text); }

:root[data-theme="light"] .cta-band::before {
  background: radial-gradient(760px 420px at 50% 30%, rgba(223, 166, 63, 0.16), transparent 65%);
}