/* 闪豆IP 门户 —— 深色、克制、科技感：一层网格 + 两团光晕打底，玻璃卡片，蓝青渐变只用在主按钮、价格、数据条上。
   不引第三方字体/脚本（CSP 只放自己），字体走系统栈。 */
:root{
  --bg:#070a12;--fg:#e8ecf4;--mute:#8a93a8;--dim:#5b6478;
  --line:rgba(255,255,255,.08);--line2:rgba(255,255,255,.15);--card:rgba(255,255,255,.03);
  --acc:#4f8cff;--acc2:#22d3ee;--grad:linear-gradient(135deg,#4f8cff,#22d3ee);
  --ok:#34d399;--bad:#f87171;--warn:#fcd34d;--r:14px;
  --mono:"SF Mono",ui-monospace,Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html{color-scheme:dark;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--fg);font:15px/1.65 -apple-system,BlinkMacSystemFont,"PingFang SC","Helvetica Neue","Microsoft YaHei",sans-serif;min-height:100vh;display:flex;flex-direction:column;-webkit-font-smoothing:antialiased}
a{color:var(--acc2);text-decoration:none}a:hover{text-decoration:underline}
.bg{position:fixed;inset:0;z-index:-1;background:radial-gradient(640px 420px at 12% -6%,rgba(79,140,255,.22),transparent 62%),radial-gradient(520px 380px at 88% -2%,rgba(34,211,238,.13),transparent 60%),var(--bg)}
.bg::before{content:"";position:absolute;inset:0;background:linear-gradient(var(--line) 1px,transparent 1px) 0 0/44px 44px,linear-gradient(90deg,var(--line) 1px,transparent 1px) 0 0/44px 44px;-webkit-mask-image:linear-gradient(#000,transparent 72%);mask-image:linear-gradient(#000,transparent 72%);opacity:.55}

header.top{position:sticky;top:0;z-index:10;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:rgba(7,10,18,.66);border-bottom:1px solid var(--line);height:60px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;padding:0 24px;gap:16px}
header .brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px;text-decoration:none;justify-self:start;white-space:nowrap}
.mark{width:22px;height:22px;border-radius:7px;background:var(--grad);box-shadow:0 0 18px rgba(79,140,255,.55);position:relative}
.mark::after{content:"";position:absolute;inset:6px;border-radius:3px;background:var(--bg)}
header nav{display:flex;align-items:center;gap:22px;justify-self:center}
header nav a{color:var(--mute);font-size:14px;transition:color .15s}
header nav a:hover{color:#fff;text-decoration:none}
header nav .who{color:#fff;font-weight:600;font-size:14px}
header nav form{margin:0}
main{max-width:1040px;width:100%;margin:0 auto;padding:28px 20px 64px;flex:1}
footer{border-top:1px solid var(--line);padding:22px 16px;color:var(--dim);font-size:13px;display:flex;gap:18px;justify-content:center}
footer a{color:var(--mute)}

.hero{text-align:center;padding:72px 0 48px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border:1px solid var(--line2);border-radius:999px;color:var(--mute);font-size:13px;background:rgba(255,255,255,.03);margin-bottom:24px}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--ok);box-shadow:0 0 10px var(--ok)}
.hero h1{font-size:48px;line-height:1.14;margin:0 0 14px;letter-spacing:-.02em;font-weight:700}
.hero h1 em,.grad{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .sub{color:var(--mute);font-size:17px;margin:0 auto 30px;max-width:620px}
.cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--grad);color:#06101f;border:0;border-radius:10px;padding:11px 22px;font:inherit;font-weight:700;cursor:pointer;box-shadow:0 8px 24px rgba(79,140,255,.28);transition:transform .15s,box-shadow .15s,filter .15s}
.btn:hover{transform:translateY(-1px);box-shadow:0 12px 30px rgba(79,140,255,.38);filter:brightness(1.06);text-decoration:none}
.btn.small{padding:7px 14px;font-size:14px;font-weight:600;box-shadow:none}
.btn.ghost{background:rgba(255,255,255,.04);color:#fff;border:1px solid var(--line2);box-shadow:none}
.btn.ghost:hover{background:rgba(255,255,255,.08);box-shadow:none}
button.link{background:none;border:0;color:var(--acc2);cursor:pointer;font:inherit;padding:0}
button.link.danger{color:var(--bad)}
form.inline{display:inline}

.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px 24px;margin-bottom:16px;position:relative;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
.card::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent)}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin-bottom:16px}
.cards .card{margin:0}
.card.narrow{max-width:440px;margin:48px auto}
.card h2{font-size:15px;margin:0 0 14px;display:flex;align-items:center;gap:9px;letter-spacing:.2px}
.card h2::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--grad)}
.card.narrow h2{font-size:20px;margin-bottom:18px}
.label{color:var(--mute);font-size:12px;letter-spacing:.6px}
.big{font-size:30px;font-weight:700;margin:4px 0;letter-spacing:-.01em;font-variant-numeric:tabular-nums}
code.big{font-size:20px;padding:6px 10px}
.mute{color:var(--mute)}.bad{color:var(--bad)}.ok{color:var(--ok)}
.mute.tight{margin:-8px 0 0;font-size:13px}

.feat{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin:0 0 16px}
.feat .card{margin:0;padding:20px 22px}
.ico{width:38px;height:38px;border-radius:10px;display:flex;align-items:center;justify-content:center;background:rgba(79,140,255,.12);border:1px solid rgba(79,140,255,.28);margin-bottom:12px;color:var(--acc2)}
.ico svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.feat b{display:block;font-size:16px;margin-bottom:3px}
.feat p{margin:0;color:var(--mute);font-size:14px}


.steps{list-style:none;counter-reset:s;padding:0;margin:0 0 18px;display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:12px}
.steps li{counter-increment:s;position:relative;padding:14px 16px 14px 54px;border:1px solid var(--line);border-radius:12px;background:rgba(255,255,255,.02);color:var(--mute);font-size:14px}
.steps li::before{content:counter(s);position:absolute;left:14px;top:14px;width:26px;height:26px;border-radius:8px;background:var(--grad);color:#06101f;font-weight:700;display:flex;align-items:center;justify-content:center;font-size:13px}
.steps li b{color:var(--fg);display:block;margin-bottom:2px}
.ex{font-family:var(--mono);font-size:13px;color:#c9d3e6;background:rgba(0,0,0,.35);border:1px solid var(--line);border-radius:10px;padding:12px 14px;margin:12px 0 0;overflow:auto;white-space:nowrap}
.ex .c{color:var(--dim)}

form.col{display:flex;flex-direction:column;gap:14px}
form.col label{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--mute)}
form.col .btn{margin-top:4px}
input{font:inherit;padding:11px 12px;border:1px solid var(--line2);border-radius:10px;background:rgba(255,255,255,.04);color:var(--fg);outline:none;transition:border-color .15s,box-shadow .15s}
input:focus{border-color:var(--acc);box-shadow:0 0 0 3px rgba(79,140,255,.22)}

table{border-collapse:collapse;width:100%}
th,td{text-align:left;padding:10px 8px;border-bottom:1px solid var(--line);vertical-align:top}
th{color:var(--mute);font-weight:500;font-size:12px;letter-spacing:.4px}
tr:last-child td{border-bottom:0}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
table.kv th{width:96px;white-space:nowrap;font-size:13px;letter-spacing:0;padding-top:12px}
table.kv td{padding:10px 8px}
tr.mute td{color:var(--dim)}
code{font-family:var(--mono);font-size:13px;background:rgba(255,255,255,.06);border:1px solid var(--line);padding:2px 7px;border-radius:6px;word-break:break-all;color:#dfe6f5}
.flash{background:rgba(52,211,153,.1);border:1px solid rgba(52,211,153,.32);padding:11px 14px;border-radius:10px;margin-bottom:16px}
.err{background:rgba(248,113,113,.1);border:1px solid rgba(248,113,113,.32);padding:11px 14px;border-radius:10px;margin-bottom:16px}

.bars{display:block;width:100%;height:140px;border-bottom:1px solid var(--line)}
.bars rect{fill:url(#barGrad);opacity:.9;transition:opacity .15s}
.bars rect:hover{opacity:1}
.axis{display:flex;justify-content:space-between;color:var(--dim);font-size:12px;margin-top:6px;font-variant-numeric:tabular-nums}

.status{display:flex;justify-content:space-between;align-items:center;border-radius:12px;padding:12px 16px;margin-bottom:18px;font-weight:600;border:1px solid}
.status span:first-child::before{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:9px;background:currentColor;box-shadow:0 0 10px currentColor;vertical-align:1px}
.status.pending{background:rgba(252,211,77,.08);border-color:rgba(252,211,77,.35);color:var(--warn)}
.status.paid{background:rgba(52,211,153,.1);border-color:rgba(52,211,153,.35);color:var(--ok)}
.status.expired{background:rgba(255,255,255,.03);border-color:var(--line);color:var(--mute)}
[data-countdown]{font-family:var(--mono);font-variant-numeric:tabular-nums}
.card.narrow.pay{max-width:800px}
.kv code{word-break:break-all}
.kv code i{font-style:normal;color:var(--acc2)}
.paygrid{display:grid;grid-template-columns:1fr 228px;gap:28px;align-items:start}
.pay code.big{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;border:0;padding:0;font-size:36px;font-weight:700;letter-spacing:-.01em}
.pay .unit{font-size:15px;color:var(--mute);margin:0 8px 0 6px}
.qr{margin:0;text-align:center}
.qr img{background:#fff;border-radius:12px;padding:8px;box-shadow:0 12px 32px rgba(0,0,0,.45);display:block;margin:0 auto 8px}
.qr .mute{font-size:12px}
.tips{padding-left:18px;font-size:13px;margin:14px 0 0}
.tips li{margin-bottom:4px}

@media (max-width:640px){.hero{padding:44px 0 30px}.hero h1{font-size:32px}.hero .sub{font-size:15px}header.top{padding:0 16px;display:flex}header .brand{margin-right:auto}header nav{gap:14px}.paygrid{grid-template-columns:1fr}.card{padding:18px}.pay code.big{font-size:30px}}


/* ---- 首页动画区（抄的是同行那套「数据感」：hero 两栏 + 粒子地球 + 终端；实时牌子/仪表/趋势/日志流；架构图）。
   全是装饰：CSS 关键帧 + app.js 里的 canvas/SVG，不发请求；prefers-reduced-motion 下全停。 ---- */
.hero2 h1{font-size:44px}
.hero2{text-align:left;display:grid;grid-template-columns:1.05fr .95fr;gap:28px;align-items:center;padding:36px 0 24px;position:relative}
.hero2 .cta{justify-content:flex-start}
.hero2 .sub{margin:0 0 26px}
.hero-copy{position:relative;z-index:1}
.hero-log{position:absolute;left:0;top:0;bottom:0;width:52%;overflow:hidden;font:12px/1.9 var(--mono);color:var(--acc2);opacity:.13;pointer-events:none;white-space:nowrap;-webkit-mask-image:linear-gradient(#000 40%,transparent);mask-image:linear-gradient(#000 40%,transparent)}
.globe-wrap{position:relative;display:flex;align-items:center;justify-content:center;min-height:440px}
.globe{width:min(100%,540px);height:auto;aspect-ratio:1;filter:drop-shadow(0 0 40px rgba(34,211,238,.16))}
.globe-cap{position:absolute;right:4%;bottom:4%;font:12px var(--mono);color:var(--mute);letter-spacing:.5px}
.globe-cap b{font-size:18px;color:#fff;margin-right:6px}
.term{margin-top:26px;border:1px solid var(--line2);border-radius:12px;background:rgba(0,0,0,.5);overflow:hidden;font-family:var(--mono);font-size:13px;box-shadow:0 20px 50px rgba(0,0,0,.4)}
.term-bar{display:flex;align-items:center;gap:7px;padding:9px 12px;border-bottom:1px solid var(--line);color:var(--dim);font-size:12px}
.term-bar i{width:10px;height:10px;border-radius:50%;background:#ff5f57}.term-bar i:nth-child(2){background:#febc2e}.term-bar i:nth-child(3){background:#28c840}
.term-bar span{margin-left:8px}
.term-body{margin:0;padding:14px 16px;min-height:168px;white-space:pre-wrap;word-break:break-all;line-height:1.75;color:#c9d3e6;font:inherit}
.term-body .cmd{color:var(--ok)}.term-body .arr{color:var(--acc2)}.term-body .dim{color:var(--dim)}.term-body .warn{color:var(--warn)}
.term-body .cur{display:inline-block;width:8px;height:15px;background:var(--acc2);vertical-align:-2px;margin-left:2px;animation:blink 1s steps(2) infinite}

.tl{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--mute);letter-spacing:.3px}
.dot{width:7px;height:7px;border-radius:50%;background:var(--ok);box-shadow:0 0 8px var(--ok);animation:pulse 2s ease-in-out infinite;flex:none}
.dot.warn{background:var(--warn);box-shadow:0 0 8px var(--warn)}.dot.acc{background:var(--acc2);box-shadow:0 0 8px var(--acc2)}
.live{margin:10px 0 8px}
.tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:14px}
.tile{padding:18px 20px;border:1px solid var(--line);border-radius:var(--r);background:var(--card)}
.tile b{display:block;font:700 30px/1.2 var(--mono);color:#fff;margin:8px 0 4px;letter-spacing:-.01em;font-variant-numeric:tabular-nums}
.tile b em{font-style:normal;font-size:16px;color:var(--acc2);margin-left:2px}
.tile span{font-size:12px;color:var(--dim)}
.live-grid{display:grid;grid-template-columns:230px 1fr;gap:14px;margin-bottom:14px}
.live-grid .card{margin:0}
.gauge{min-height:270px;display:flex;align-items:center;justify-content:center;overflow:hidden}
.ring{position:absolute;border-radius:50%;border:1px solid rgba(34,211,238,.25)}
.ring.r1{width:150px;height:150px;border-color:rgba(34,211,238,.55);box-shadow:0 0 34px rgba(34,211,238,.18) inset,0 0 22px rgba(34,211,238,.12)}
.ring.r2{width:190px;height:190px;border-style:dashed;animation:spin 26s linear infinite}
.ring.r3{width:232px;height:232px;border-color:rgba(255,255,255,.06)}
.orbit{position:absolute;width:190px;height:190px;animation:spin 9s linear infinite}
.orbit.o2{width:232px;height:232px;animation-duration:15s;animation-direction:reverse}
.orbit i{position:absolute;left:50%;top:-3px;width:6px;height:6px;margin-left:-3px;border-radius:50%;background:var(--acc2);box-shadow:0 0 10px var(--acc2)}
.gauge-num{position:relative;text-align:center}
.gauge-num b{display:block;font:700 34px/1.1 var(--mono);color:#fff}
.gauge-num span{font-size:12px;color:var(--mute)}
.trend{padding-bottom:14px}
.trend .now{margin-left:auto;font-family:var(--mono);font-size:12px;color:var(--dim)}
.trend .chart{display:flex;gap:10px;margin-top:12px;align-items:stretch}
.trend svg{display:block;flex:1;min-width:0;height:170px}
.trend polyline{filter:drop-shadow(0 0 6px rgba(34,211,238,.8))}
.trend .axis{display:flex;flex-direction:column;justify-content:space-between;font:11px var(--mono);color:var(--dim);text-align:right;flex:none}
.live-log{font-family:var(--mono);font-size:12.5px;margin-bottom:18px}
.live-log .lines{margin-top:10px;height:156px;overflow:hidden;display:flex;flex-direction:column;justify-content:flex-end}
.live-log .lines div,.hero-log div{line-height:1.8;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;animation:fadeup .35s ease-out;color:var(--mute)}
.hero-log div{color:inherit}
.live-log b{color:var(--acc2);font-weight:500}
.live-log .dim{color:var(--dim)}
.hero-log .dim{opacity:.7}

.arch{display:grid;grid-template-columns:1fr 1.1fr;gap:24px;align-items:center;margin:20px 0 24px}
.kicker{font:12px var(--mono);color:var(--acc2);letter-spacing:2px;margin-bottom:12px}
.kicker::before{content:"—— "}
.h2big{font-size:36px;line-height:1.2;margin:0 0 22px;letter-spacing:-.01em;font-weight:700}
.h2big em{font-style:normal;color:var(--acc2)}
.arch-cards .card{display:flex;gap:14px;align-items:flex-start;padding:16px 18px;margin-bottom:12px}
.arch-cards .ico{margin:0;flex:none}
.arch-cards b{display:block;font-size:15px;margin-bottom:3px}
.arch-cards p{margin:0;color:var(--mute);font-size:13.5px}
.netmap{margin:0;padding:16px 18px 10px;border-color:rgba(34,211,238,.25);box-shadow:0 0 40px rgba(34,211,238,.07) inset}
.netmap .tl{font-family:var(--mono);font-size:11px;letter-spacing:2px;color:var(--dim)}
.netmap svg{width:100%;height:auto;display:block;margin-top:6px}
.badges{position:absolute;right:16px;top:14px;display:flex;gap:8px}
.badge{display:flex;flex-direction:column;align-items:flex-start;gap:3px;padding:7px 10px;border-radius:9px;font-size:12px;border:1px solid}
.badge i{font-style:normal;font-size:10px;letter-spacing:1px;padding:1px 6px;border-radius:999px}
.badge.bad{color:#fca5a5;border-color:rgba(248,113,113,.35);background:rgba(248,113,113,.08)}.badge.bad i{background:rgba(248,113,113,.25)}
.badge.ok{color:#86efac;border-color:rgba(52,211,153,.35);background:rgba(52,211,153,.08)}.badge.ok i{background:rgba(52,211,153,.25)}
.netmap .lbl{font:11px var(--mono);fill:var(--mute)}
.netmap .lbl.sm{font-size:10px;fill:var(--dim)}
.netmap .lbl.bad{fill:#fca5a5}
.netmap .arc{fill:none;stroke:rgba(34,211,238,.4);stroke-width:1.2;stroke-dasharray:4 6;animation:dash 1.4s linear infinite}
.netmap .arc.bad{stroke:rgba(248,113,113,.55)}
.netmap .node{fill:#0b1220;stroke:var(--acc2);stroke-width:1.5}
.netmap .node.hub{fill:var(--acc);stroke:#fff;stroke-width:1}
.netmap .node.bad{stroke:var(--bad)}
.netmap .glow{fill:rgba(34,211,238,.14)}
.netmap .pk{fill:#fff;filter:drop-shadow(0 0 4px #22d3ee)}
.netmap .x{stroke:var(--bad);stroke-width:2.5;stroke-linecap:round}

@keyframes spin{to{transform:rotate(360deg)}}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
@keyframes blink{to{opacity:0}}
@keyframes fadeup{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
@keyframes dash{to{stroke-dashoffset:-20}}
@media (max-width:900px){.hero2{grid-template-columns:1fr}.globe-wrap{min-height:0;order:-1}.globe{width:min(100%,360px)}.tiles{grid-template-columns:1fr}.live-grid{grid-template-columns:1fr}.arch{grid-template-columns:1fr}.h2big{font-size:28px}.badges{position:static;margin:8px 0 2px}.hero-log{width:100%}}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important}}

/* 价格：一口价 + 算一算 */
.pricebar{display:grid;grid-template-columns:auto 1fr;gap:10px 28px;align-items:center;margin:6px 0 10px}
.pricebig{display:flex;align-items:baseline;gap:8px}
.pricebig b{font-size:46px;font-weight:800;letter-spacing:-.03em;font-family:var(--mono);background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.pricebig span{font-size:14px;color:var(--mute);font-weight:600}
.pricenote{color:var(--mute);font-size:14px;line-height:1.6}
.calc{grid-column:1/-1;display:inline-flex;align-items:center;gap:10px;padding:10px 16px;border-radius:999px;background:rgba(34,211,238,.08);border:1px solid rgba(34,211,238,.28);font-size:14px;width:max-content;max-width:100%;flex-wrap:wrap}
.calc input{width:96px;padding:6px 10px;border-radius:8px;border:1px solid var(--line2);background:rgba(0,0,0,.35);color:var(--fg);font:600 15px var(--mono);text-align:right}
.calc b{font-family:var(--mono);font-size:20px;color:var(--acc2)}
.buyform{display:flex;flex-direction:column;gap:12px;align-items:flex-start}
.buyform .btn{margin-top:4px}
@media (max-width:640px){.pricebar{grid-template-columns:1fr}.pricebig b{font-size:38px}}