/* ============================================================
   LEXON 词元 — AI时代的价值语言 | styles.css
   ============================================================ */
:root{
  --bg:#070B14; --bg-alt:#0A101D; --surface:#0E1524; --surface-2:#121B2E;
  --ink:#EAF0FB; --ink-2:#B9C4DB; --muted:#7E8AA6;
  --line:rgba(148,166,205,.14); --line-2:rgba(148,166,205,.08);
  --brand:#7A5CFF; --brand-2:#2E9BFF; --teal:#00C2A8; --gold:#FFB020;
  --grad:linear-gradient(90deg,#A78BFA 0%,#7A5CFF 35%,#2E9BFF 75%,#22D3EE 100%);
  --glow:rgba(122,92,255,.22);
  --shadow:0 18px 50px rgba(2,6,18,.55);
  --r:18px;
  --font:"PingFang SC","Microsoft YaHei","Segoe UI",system-ui,-apple-system,sans-serif;
  --mono:"JetBrains Mono","Cascadia Code",Consolas,monospace;
}
[data-theme="light"]{
  --bg:#F5F7FC; --bg-alt:#FFFFFF; --surface:#FFFFFF; --surface-2:#F0F3FA;
  --ink:#0B1224; --ink-2:#2A3650; --muted:#64708C;
  --line:rgba(20,35,80,.12); --line-2:rgba(20,35,80,.07);
  --shadow:0 16px 40px rgba(30,45,100,.10);
  --glow:rgba(122,92,255,.12);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--font); background:var(--bg); color:var(--ink);
  line-height:1.7; overflow-x:hidden; -webkit-font-smoothing:antialiased;
}
::selection{background:rgba(122,92,255,.35)}
.container{width:min(1180px,92%);margin:0 auto}
img{max-width:100%}
a{color:inherit;text-decoration:none}
strong{color:var(--ink)}

/* ---------- 通用文本 ---------- */
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.kicker{
  display:inline-block;font-size:.78rem;letter-spacing:.22em;text-transform:uppercase;
  color:#A78BFA;font-weight:600;margin-bottom:14px;
}
[data-theme="light"] .kicker{color:#6D4DE0}
.sec-head{max-width:820px;margin:0 auto 56px;text-align:center}
.sec-head h2{font-size:clamp(1.7rem,3.6vw,2.6rem);line-height:1.25;letter-spacing:.01em}
.sec-desc{color:var(--muted);margin-top:16px;font-size:1.02rem}
.sec-desc strong{color:var(--ink)}
.foot-note{color:var(--muted);font-size:.85rem;margin-top:18px}
.foot-note.center{text-align:center;max-width:900px;margin:36px auto 0}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;padding:13px 26px;border-radius:999px;
  font-weight:600;font-size:.95rem;border:1px solid transparent;cursor:pointer;
  transition:transform .2s,box-shadow .2s,background .2s;
}
.btn:active{transform:scale(.97)}
.btn-primary{
  background:var(--grad);color:#fff;
  box-shadow:0 8px 28px var(--glow);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 34px var(--glow)}
.btn-outline{border-color:var(--line);color:var(--ink);background:transparent}
.btn-outline:hover{border-color:var(--brand);color:var(--brand)}
.btn-ghost{padding:9px 18px;font-size:.88rem;color:var(--ink-2)}
.btn-ghost:hover{color:var(--ink)}
.arr{transition:transform .2s}
.btn:hover .arr{transform:translateX(4px)}

/* ---------- 导航 ---------- */
.nav{
  position:fixed;inset:0 0 auto;z-index:100;
  transition:background .3s,box-shadow .3s,border-color .3s;
  border-bottom:1px solid transparent;
}
.nav.scrolled{background:color-mix(in srgb,var(--bg) 78%,transparent);backdrop-filter:blur(18px);border-bottom-color:var(--line-2);box-shadow:0 8px 30px rgba(2,6,18,.25)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px;gap:20px}
.brand{display:flex;align-items:center;gap:11px;font-weight:700;font-size:1.05rem}
.brand-text b{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;margin-left:6px;letter-spacing:.06em}
.brand-mark{
  width:38px;height:38px;border-radius:11px;overflow:hidden;flex:none;
  background:#05070d;box-shadow:0 0 0 1px var(--line),0 6px 18px var(--glow);
  display:grid;place-items:center;
}
.brand-mark img{width:100%;height:100%;object-fit:cover}
.nav-links{display:flex;gap:26px}
.nav-links a{font-size:.92rem;color:var(--muted);font-weight:500;position:relative;padding:6px 0;transition:color .2s}
.nav-links a:hover,.nav-links a.active{color:var(--ink)}
.nav-links a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;background:var(--grad);
}
.nav-actions{display:flex;align-items:center;gap:12px}
.theme-toggle{
  width:38px;height:38px;border-radius:50%;border:1px solid var(--line);background:transparent;
  color:var(--ink);cursor:pointer;font-size:1rem;display:grid;place-items:center;transition:border-color .2s;
}
.theme-toggle:hover{border-color:var(--brand)}
[data-theme="dark"] .tt-sun{display:none}
[data-theme="light"] .tt-moon{display:none}
.hamburger{display:none;background:none;border:0;cursor:pointer;flex-direction:column;gap:5px;padding:6px}
.hamburger span{width:22px;height:2px;background:var(--ink);border-radius:2px;transition:.25s}
.hamburger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger.open span:nth-child(2){opacity:0}
.hamburger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{position:relative;padding:170px 0 110px;overflow:hidden}
.orb{position:absolute;border-radius:50%;filter:blur(90px);opacity:.5;pointer-events:none}
.orb-a{width:560px;height:560px;background:radial-gradient(circle,#7A5CFF66,transparent 70%);top:-180px;left:-120px}
.orb-b{width:520px;height:520px;background:radial-gradient(circle,#2E9BFF55,transparent 70%);bottom:-200px;right:-100px}
[data-theme="light"] .orb{opacity:.35}
.hero-grid-bg{
  position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(var(--line-2) 1px,transparent 1px),linear-gradient(90deg,var(--line-2) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(ellipse 75% 65% at 50% 35%,#000 30%,transparent 75%);
}
.hero-inner{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;position:relative}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;padding:8px 18px;border-radius:999px;
  border:1px solid var(--line);background:var(--surface);font-size:.85rem;color:var(--ink-2);
}
.pulse-dot{width:8px;height:8px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 0 rgba(0,194,168,.6);animation:pulse 2s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 9px transparent}100%{box-shadow:0 0 0 0 transparent}}
.hero h1{font-size:clamp(2.6rem,6vw,4.4rem);line-height:1.1;margin:22px 0 18px;letter-spacing:.01em}
.hero-sub{font-size:1.12rem;color:var(--ink-2);max-width:560px}
.hero-sub strong{color:var(--ink)}
.hero-loop{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:26px 0 30px}
.loop-step{
  padding:8px 16px;border-radius:10px;border:1px solid var(--line);background:var(--surface);
  font-size:.9rem;font-weight:600;
}
.loop-final{background:var(--grad);border-color:transparent;color:#fff}
.loop-arrow{color:var(--muted)}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:44px}
.stat b{display:block;font-size:1.35rem;font-family:var(--mono);background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat i{font-style:normal;font-size:.78rem;color:var(--muted)}
.hero-visual{display:flex;flex-direction:column;gap:22px}
.logo-frame{position:relative;border-radius:26px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.logo-halo{
  position:absolute;inset:-40%;background:conic-gradient(from 0deg,transparent,#7A5CFF33,transparent 30%,#2E9BFF33,transparent 60%);
  animation:spin 9s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}
.hero-logo{position:relative;display:block;width:100%;z-index:1}
.glass{
  background:color-mix(in srgb,var(--surface) 88%,transparent);
  border:1px solid var(--line);border-radius:var(--r);padding:20px 22px;backdrop-filter:blur(10px);
}
.flow-title{font-size:.8rem;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);margin-bottom:16px}
.flow-track{display:flex;align-items:center;gap:6px}
.flow-node{
  font-family:var(--mono);font-size:.72rem;padding:6px 9px;border-radius:8px;
  background:var(--surface-2);border:1px solid var(--line);white-space:nowrap;
}
.flow-node.settle{background:var(--grad);border-color:transparent;color:#fff;font-weight:700}
.flow-line{flex:1;height:2px;background:var(--line);border-radius:2px;position:relative;min-width:14px}
.flow-dot{
  position:absolute;top:50%;left:0;width:7px;height:7px;border-radius:50%;margin-top:-3.5px;
  background:var(--brand-2);box-shadow:0 0 10px var(--brand-2);
  animation:travel 2.8s linear infinite;
}
.flow-dot.d2{animation-delay:.9s}.flow-dot.d3{animation-delay:1.8s}.flow-dot.d4{animation-delay:.4s}
@keyframes travel{0%{left:0;opacity:0}12%{opacity:1}88%{opacity:1}100%{left:calc(100% - 7px);opacity:0}}

/* ---------- 区块通用 ---------- */
.section{padding:104px 0;position:relative}
.section-alt{background:var(--bg-alt);border-block:1px solid var(--line-2)}
.panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
  padding:30px 32px;box-shadow:var(--shadow);
}
.panel-title{font-size:1.12rem;margin-bottom:8px}
.panel-sub{color:var(--muted);font-size:.92rem;margin-bottom:18px}

/* ---------- 问题定义 ---------- */
.gap-grid{display:grid;grid-template-columns:1fr .8fr 1fr;gap:20px;align-items:stretch;margin-bottom:26px}
.gap-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:28px;
  box-shadow:var(--shadow);transition:transform .25s,border-color .25s;
}
.gap-card:hover{transform:translateY(-4px);border-color:rgba(122,92,255,.45)}
.gap-ico{font-size:1.8rem;margin-bottom:12px}
.gap-card h3{font-size:1.15rem;margin-bottom:8px}
.gap-card p{color:var(--muted);font-size:.93rem}
.tick{list-style:none;margin-top:14px}
.tick li{font-size:.86rem;color:var(--ink-2);padding:4px 0 4px 22px;position:relative}
.tick li::before{content:"✓";position:absolute;left:0;color:var(--teal);font-weight:700}
.gap-mid{
  display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;
  border:1px dashed rgba(122,92,255,.5);border-radius:var(--r);padding:28px 22px;
  background:radial-gradient(circle at 50% 0%,var(--glow),transparent 70%);
}
.gap-sign{
  font-size:.8rem;letter-spacing:.3em;color:#A78BFA;font-weight:700;margin-bottom:12px;
  padding:6px 16px;border:1px solid rgba(122,92,255,.4);border-radius:999px;
}
[data-theme="light"] .gap-sign{color:#6D4DE0}
.gap-mid p{font-size:.92rem;color:var(--ink-2)}
.chip-cloud{display:flex;flex-wrap:wrap;gap:10px}
.chip{
  padding:7px 15px;border-radius:999px;border:1px solid var(--line);background:var(--surface-2);
  font-size:.84rem;color:var(--ink-2);transition:border-color .2s,color .2s;
}
.chip:hover{border-color:var(--brand);color:var(--ink)}
.goal-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;margin-top:30px}
.goal-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:24px 20px;
  transition:transform .25s,border-color .25s;position:relative;overflow:hidden;
}
.goal-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad);opacity:0;transition:opacity .25s}
.goal-card:hover{transform:translateY(-4px)}
.goal-card:hover::before{opacity:1}
.goal-card b{font-family:var(--mono);font-size:.85rem;color:#A78BFA}
[data-theme="light"] .goal-card b{color:#6D4DE0}
.goal-card h4{font-size:1.05rem;margin:8px 0 6px}
.goal-card p{font-size:.84rem;color:var(--muted)}

/* ---------- 核心模型 ---------- */
.stage-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;margin-bottom:30px}
.stage-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:26px 20px;
  position:relative;transition:transform .25s,border-color .25s;
}
.stage-card:hover{transform:translateY(-5px);border-color:rgba(46,155,255,.5)}
.stage-card:not(:last-child)::after{
  content:"→";position:absolute;right:-16px;top:50%;transform:translateY(-50%);
  color:var(--muted);font-size:1rem;z-index:2;
}
.stage-tag{
  font-family:var(--mono);font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;
  color:#7EB8FF;background:rgba(46,155,255,.1);padding:4px 10px;border-radius:6px;
  border:1px solid rgba(46,155,255,.25);
}
.stage-card h3{font-size:1.25rem;margin:14px 0 8px}
.stage-card p{font-size:.85rem;color:var(--muted)}
.eco-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.eco-item b{display:block;font-size:.95rem;margin-bottom:8px}
.eco-item p{font-size:.85rem;color:var(--muted)}

/* ---------- Work Proof ---------- */
.proof-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:26px;margin-bottom:26px}
.code-card{
  background:#0A0F1D;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow);
}
[data-theme="light"] .code-card{background:#0B1226}
.code-bar{display:flex;align-items:center;gap:7px;padding:13px 16px;border-bottom:1px solid rgba(148,166,205,.12)}
.code-bar .dot{width:10px;height:10px;border-radius:50%;background:#2A3650}
.code-bar .dot:nth-child(1){background:#FF6B6B}.code-bar .dot:nth-child(2){background:#FFB020}.code-bar .dot:nth-child(3){background:#37D67A}
.code-bar i{margin-left:10px;font-style:normal;font-family:var(--mono);font-size:.75rem;color:#7E8AA6}
.code-card pre{padding:22px 24px;overflow-x:auto}
.code-card code{font-family:var(--mono);font-size:.86rem;line-height:1.85;color:#C9D6F2}
.code-card .kw{color:#C792EA}.code-card .ty{color:#82AAFF}.code-card .pr{color:#F78C6C}
.proof-fields{display:grid;grid-template-rows:repeat(4,1fr);gap:14px}
.field-group{
  background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:16px 20px;
  transition:border-color .2s;
}
.field-group:hover{border-color:rgba(122,92,255,.45)}
.field-group h4{font-size:.92rem;margin-bottom:4px}
.field-group p{font-family:var(--mono);font-size:.78rem;color:var(--muted)}
.duo-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:26px}

/* ---------- 计量 ---------- */
.formula-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
  padding:34px 30px;margin-bottom:26px;box-shadow:var(--shadow);text-align:center;
}
.formula{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:10px}
.formula-sub{margin-top:18px;padding-top:18px;border-top:1px dashed var(--line)}
.f-item{
  padding:10px 18px;border-radius:12px;background:var(--surface-2);border:1px solid var(--line);
  font-weight:600;font-size:.95rem;
}
.f-total{background:var(--grad);border-color:transparent;color:#fff}
.f-op{color:var(--muted);font-size:1.15rem;font-family:var(--mono)}
.calc-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:22px}
.slider-row{display:grid;grid-template-columns:150px 1fr 64px;align-items:center;gap:16px;padding:11px 0;border-bottom:1px solid var(--line-2)}
.slider-row:last-of-type{border-bottom:0}
.slider-row label{font-size:.88rem;font-weight:600}
.slider-row label em{display:block;font-style:normal;font-weight:400;font-size:.72rem;color:var(--muted)}
.slider-row output{font-family:var(--mono);font-size:.85rem;color:#A78BFA;text-align:right}
[data-theme="light"] .slider-row output{color:#6D4DE0}
input[type=range]{-webkit-appearance:none;appearance:none;height:5px;border-radius:5px;background:var(--surface-2);outline:none;border:1px solid var(--line-2)}
input[type=range]::-webkit-slider-thumb{
  -webkit-appearance:none;appearance:none;width:17px;height:17px;border-radius:50%;
  background:var(--grad);cursor:pointer;box-shadow:0 0 0 4px var(--glow);border:none;
}
input[type=range]::-moz-range-thumb{width:17px;height:17px;border-radius:50%;background:#7A5CFF;cursor:pointer;border:none}
.calc-result{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
  padding:34px 30px;box-shadow:var(--shadow);display:flex;flex-direction:column;justify-content:center;
}
.cr-label{font-size:.82rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.cr-label em{font-style:normal;text-transform:none;letter-spacing:0}
.cr-value{font-family:var(--mono);font-size:2.3rem;font-weight:700;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.cr-value small{font-size:1.1rem}
.cr-divider{height:1px;background:var(--line);margin:18px 0}
.cr-bar{height:8px;border-radius:8px;background:var(--surface-2);border:1px solid var(--line-2);margin-top:22px;overflow:hidden}
.cr-bar span{display:block;height:100%;width:0;border-radius:8px;background:var(--grad);transition:width .35s ease}

/* ---------- 六层架构 ---------- */
.layer-stack{display:flex;flex-direction:column-reverse;gap:12px;max-width:900px;margin:0 auto}
.layer-row{
  display:flex;align-items:center;gap:20px;padding:20px 26px;border-radius:14px;
  background:var(--surface);border:1px solid var(--line);
  border-left:4px solid color-mix(in srgb,var(--brand-2) calc(var(--c)*15%),var(--brand));
  transition:transform .2s,border-color .2s;
}
.layer-row:hover{transform:translateX(8px);border-color:rgba(122,92,255,.45)}
.layer-no{
  font-family:var(--mono);font-weight:700;font-size:1rem;color:#A78BFA;flex:none;width:42px;
}
[data-theme="light"] .layer-no{color:#6D4DE0}
.layer-row h4{font-size:1.02rem}
.layer-row p{font-family:var(--mono);font-size:.78rem;color:var(--muted)}

/* ---------- 代币经济 ---------- */
.token-stats{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;margin-bottom:30px}
.tstat{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:20px 18px;text-align:center}
.tstat b{display:block;font-family:var(--mono);font-size:1.05rem;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;white-space:nowrap}
.tstat i{font-style:normal;font-size:.76rem;color:var(--muted)}
.alloc-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:24px;margin-bottom:26px}
.donut-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:28px;
  box-shadow:var(--shadow);display:flex;flex-direction:column;align-items:center;gap:18px;
}
.donut-wrap{position:relative;width:240px;height:240px}
.donut-track{fill:none;stroke:var(--surface-2);stroke-width:26}
#donutSegs circle{fill:none;stroke-width:26;cursor:pointer;transition:stroke-width .2s,opacity .2s}
#donutSegs circle:hover{stroke-width:32}
.donut-center{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;pointer-events:none}
.donut-center b{font-family:var(--mono);font-size:1.35rem;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.donut-center span{font-size:.75rem;color:var(--muted)}
.legend{display:flex;flex-wrap:wrap;gap:8px 16px;justify-content:center}
.legend button{
  display:inline-flex;align-items:center;gap:7px;background:none;border:0;cursor:pointer;
  font-family:var(--font);font-size:.8rem;color:var(--muted);padding:3px 6px;border-radius:6px;transition:color .2s;
}
.legend button:hover,.legend button.on{color:var(--ink)}
.sw{width:10px;height:10px;border-radius:3px;background:var(--s);flex:none}
.alloc-table-wrap{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:14px;box-shadow:var(--shadow);overflow-x:auto}
.alloc-table{width:100%;border-collapse:collapse;font-size:.86rem;min-width:520px}
.alloc-table th{
  text-align:left;padding:12px 14px;color:var(--muted);font-weight:600;font-size:.76rem;
  letter-spacing:.06em;text-transform:uppercase;border-bottom:1px solid var(--line);
}
.alloc-table td{padding:12px 14px;border-bottom:1px solid var(--line-2);color:var(--ink-2)}
.alloc-table td:first-child{color:var(--ink);font-weight:600;white-space:nowrap}
.alloc-table td:nth-child(2){font-family:var(--mono);font-size:.8rem}
.alloc-table tbody tr:hover td{background:var(--surface-2)}
.alloc-table .sw{margin-right:8px}
.bar-list{display:flex;flex-direction:column;gap:13px}
.bar-row{display:grid;grid-template-columns:120px 1fr 130px;align-items:center;gap:14px;font-size:.85rem}
.bar-row .b-name{color:var(--ink-2);white-space:nowrap}
.bar-track{height:12px;border-radius:8px;background:var(--surface-2);border:1px solid var(--line-2);overflow:hidden}
.bar-fill{display:block;height:100%;width:0;border-radius:8px;background:var(--s,var(--grad));transition:width 1s cubic-bezier(.2,.7,.2,1)}
.bar-row .b-val{font-family:var(--mono);font-size:.76rem;color:var(--muted);text-align:right;white-space:nowrap}
.vest-row{padding:16px 0;border-bottom:1px solid var(--line-2)}
.vest-row:last-child{border-bottom:0;padding-bottom:4px}
.vest-row b{font-size:.95rem}
.vest-row p{font-size:.85rem;color:var(--muted);margin-top:4px}
.fee-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:18px 0}
.fee-item{
  background:var(--surface-2);border:1px solid var(--line);border-radius:14px;padding:22px;text-align:center;
}
.fee-item b{display:block;font-size:1.9rem;font-family:var(--mono);background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.fee-burn b{background:linear-gradient(90deg,#FF6B6B,#FFB020);-webkit-background-clip:text;background-clip:text}
.fee-item i{font-style:normal;font-size:.82rem;color:var(--muted)}
.cycle-flow{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:.85rem;color:var(--muted);
  padding:18px 0 4px;
}
.cycle-flow span{
  padding:7px 14px;border-radius:999px;background:var(--surface-2);border:1px solid var(--line);color:var(--ink-2);
}
.cycle-flow .hl{background:var(--grad);border-color:transparent;color:#fff;font-weight:600}

/* ---------- 组织 ---------- */
.org-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.org-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:28px;
  box-shadow:var(--shadow);transition:transform .25s,border-color .25s;
}
.org-card:hover{transform:translateY(-5px);border-color:rgba(122,92,255,.45)}
.org-ico{font-size:1.7rem;margin-bottom:12px}
.org-card h4{font-size:1.05rem}
.org-card i{display:block;font-style:normal;font-size:.76rem;color:#A78BFA;margin:4px 0 10px}
[data-theme="light"] .org-card i{color:#6D4DE0}
.org-card p{font-size:.85rem;color:var(--muted)}

/* ---------- 路线图 ---------- */
.road-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;position:relative}
.road-line{
  position:absolute;top:26px;left:6%;right:6%;height:2px;
  background:linear-gradient(90deg,#7A5CFF33,#2E9BFF33);margin-top:-38px;
}
.road-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:24px 20px;
  position:relative;transition:transform .25s,border-color .25s;
}
.road-card::before{
  content:"";position:absolute;top:-46px;left:50%;transform:translateX(-50%);
  width:13px;height:13px;border-radius:50%;background:var(--grad);
  box-shadow:0 0 0 5px var(--glow);
}
.road-card:hover{transform:translateY(-5px);border-color:rgba(122,92,255,.45)}
.ph{
  font-family:var(--mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;
  color:#7EB8FF;background:rgba(46,155,255,.1);border:1px solid rgba(46,155,255,.25);
  padding:4px 10px;border-radius:6px;
}
.road-card h4{font-size:1.05rem;margin:13px 0 8px}
.road-card p{font-size:.82rem;color:var(--muted)}

/* ---------- 白皮书 CTA ---------- */
.wp-panel{
  display:grid;grid-template-columns:1.2fr .8fr;align-items:center;gap:30px;
  border-radius:26px;padding:52px 54px;margin-bottom:26px;position:relative;overflow:hidden;
  background:radial-gradient(circle at 85% 20%,rgba(122,92,255,.22),transparent 55%),radial-gradient(circle at 10% 90%,rgba(46,155,255,.18),transparent 55%),var(--surface);
  border:1px solid var(--line);box-shadow:var(--shadow);
}
.wp-copy h2{font-size:clamp(1.6rem,3.4vw,2.3rem);line-height:1.3;margin:14px 0 16px}
.wp-copy p{color:var(--muted);margin-bottom:26px;max-width:480px}
.wp-art{display:flex;justify-content:center}
.wp-art img{width:min(300px,80%);border-radius:24px;box-shadow:var(--shadow);animation:float 6s ease-in-out infinite}
@keyframes float{50%{transform:translateY(-12px)}}
.risk-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.risk-grid b{font-size:.92rem;display:block;margin-bottom:6px}
.risk-grid p{font-size:.82rem;color:var(--muted)}

/* ---------- Footer ---------- */
.footer{border-top:1px solid var(--line-2);padding:52px 0 34px;background:var(--bg-alt)}
.footer-inner{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.f-brand{display:flex;align-items:center;gap:13px}
.f-brand b{font-size:1rem}
.f-brand p{font-size:.8rem;color:var(--muted)}
.f-nav{display:flex;gap:22px;flex-wrap:wrap}
.f-nav a{font-size:.86rem;color:var(--muted);transition:color .2s}
.f-nav a:hover{color:var(--ink)}
.f-legal{margin-top:30px;padding-top:24px;border-top:1px solid var(--line-2)}
.f-legal p{font-size:.75rem;color:var(--muted);margin-bottom:8px}

/* ---------- 入场动画 ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .hero-inner{grid-template-columns:1fr;gap:44px}
  .hero-visual{max-width:520px}
  .goal-grid{grid-template-columns:repeat(3,1fr)}
  .stage-grid{grid-template-columns:repeat(3,1fr)}
  .stage-card::after{display:none}
  .token-stats{grid-template-columns:repeat(3,1fr)}
  .alloc-layout{grid-template-columns:1fr}
  .risk-grid,.org-grid,.eco-grid{grid-template-columns:repeat(2,1fr)}
  .road-grid{grid-template-columns:repeat(3,1fr);row-gap:52px}
  .road-line{display:none}
  .road-card::before{top:-40px}
}
@media (max-width:820px){
  .nav-links{
    position:fixed;top:68px;right:0;width:min(320px,80vw);flex-direction:column;gap:4px;
    background:var(--surface);border:1px solid var(--line);border-radius:0 0 0 18px;padding:18px;
    box-shadow:var(--shadow);transform:translateX(110%);transition:transform .3s;
  }
  .nav-links.open{transform:none}
  .nav-links a{padding:11px 14px;border-radius:10px}
  .nav-links a:hover{background:var(--surface-2)}
  .nav-links a.active::after{display:none}
  .hamburger{display:flex}
  .nav-cta{display:none}
  .gap-grid{grid-template-columns:1fr}
  .proof-layout,.calc-layout,.duo-grid,.wp-panel{grid-template-columns:1fr}
  .wp-panel{padding:38px 30px}
  .wp-art{order:-1}
  .wp-art img{width:180px}
  .hero{padding:140px 0 80px}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .goal-grid{grid-template-columns:repeat(2,1fr)}
  .stage-grid{grid-template-columns:repeat(2,1fr)}
  .token-stats{grid-template-columns:repeat(2,1fr)}
  .road-grid{grid-template-columns:1fr;row-gap:48px}
  .risk-grid,.org-grid,.eco-grid{grid-template-columns:1fr}
  .fee-grid{grid-template-columns:1fr}
  .slider-row{grid-template-columns:120px 1fr 52px;gap:10px}
  .section{padding:76px 0}
  .bar-row{grid-template-columns:86px 1fr 96px;gap:10px}
}
@media (max-width:520px){
  .goal-grid,.stage-grid{grid-template-columns:1fr}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}