/* ═══════════════════════════════════════════════════════════════════
   AIUGOOE 官网 vNext · 设计系统
   —— 深空控制台（Deep-Space Command Deck）
   品牌延续：#050505 底 · #9788ff 紫 · #3ecf8e 绿
   设计原则：发丝级描边 · 大留白 · 排版主导 · 克制的动效
   ═══════════════════════════════════════════════════════════════════ */

:root{
  --bg:#050505;
  --bg-1:#08080a;
  --bg-2:#0d0d10;
  --panel:#0e0e11;
  --panel-2:#121216;
  --card:#101014;
  --fg:#f4f4f6;
  --fg-2:#e6e6ea;
  --muted:#9d9da8;
  --dim:#75757f;
  --line:rgba(255,255,255,.065);
  --line-2:rgba(255,255,255,.12);
  --line-3:rgba(255,255,255,.2);
  --ai:#9788ff;
  --ai-2:#b3a7ff;
  --ai-soft:rgba(151,136,255,.12);
  --ai-line:rgba(151,136,255,.34);
  --green:#3ecf8e;
  --green-soft:rgba(62,207,142,.12);
  --amber:#e8b45e;
  --red:#e5636f;
  --r-xl:22px; --r-lg:16px; --r-md:12px; --r-sm:9px;
  --wrap:1144px;
  --sans:"Segoe UI Variable Display","Segoe UI",-apple-system,BlinkMacSystemFont,"Microsoft YaHei UI","Microsoft YaHei","PingFang SC",system-ui,sans-serif;
  --mono:"Cascadia Code",ui-monospace,Consolas,"SF Mono",Menlo,monospace;
  --ease:cubic-bezier(.16,1,.3,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  background:var(--bg);color:var(--fg);font-family:var(--sans);
  font-size:15.5px;line-height:1.75;letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button{font-family:inherit}
::selection{background:rgba(151,136,255,.35);color:#fff}
html{scrollbar-width:thin;scrollbar-color:#2c2c33 transparent}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:#26262c;border-radius:8px;border:2px solid var(--bg)}
::-webkit-scrollbar-thumb:hover{background:#3a3a42}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{outline:2px solid var(--ai);outline-offset:2px;border-radius:8px}
section[id],header[id],div[id]{scroll-margin-top:84px}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 28px}
.mono{font-family:var(--mono)}
.tnum{font-variant-numeric:tabular-nums}

/* ── 滚动显现 ─────────────────────────────────────────── */
[data-reveal]{opacity:0;transform:translateY(20px);transition:opacity .8s var(--ease),transform .8s var(--ease);transition-delay:var(--d,0s)}
[data-reveal].in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  [data-reveal]{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
}

/* ── 导航 ─────────────────────────────────────────────── */
.nav{position:sticky;top:0;z-index:60;border-bottom:1px solid transparent;transition:background .35s ease,border-color .35s ease,backdrop-filter .35s ease}
.nav.scrolled{background:rgba(5,5,5,.72);backdrop-filter:blur(18px) saturate(1.4);-webkit-backdrop-filter:blur(18px) saturate(1.4);border-bottom-color:var(--line);box-shadow:0 12px 40px -18px rgba(0,0,0,.8)}
.nav-in{max-width:var(--wrap);margin:0 auto;padding:0 28px;height:64px;display:flex;align-items:center;gap:26px}
.brand{display:flex;align-items:center;gap:11px;font-weight:700;letter-spacing:.06em;font-size:14.5px;flex:none}
.brand img{width:27px;height:27px;border-radius:7px}
.brand .pv{font-size:10.5px;font-weight:600;letter-spacing:.08em;color:var(--ai);border:1px solid var(--ai-line);background:var(--ai-soft);border-radius:999px;padding:2px 9px;transform:translateY(-1px)}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;font-size:13.5px;color:var(--muted)}
.nav-links>a{padding:8px 13px;border-radius:9px;transition:color .2s,background .2s;white-space:nowrap;position:relative}
.nav-links>a:hover{color:var(--fg);background:rgba(255,255,255,.045)}
.nav-links>a.on{color:var(--fg)}
.nav-links>a.on::after{content:'';position:absolute;left:13px;right:13px;bottom:3px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--ai),transparent)}
.nav-links .sep{width:1px;height:18px;background:var(--line-2);margin:0 10px}
.nav-links .nav-account{color:var(--fg-2)}
.nav-links .nav-account.hl{color:var(--ai);font-weight:600}
.nav-cta{display:inline-flex;align-items:center;gap:7px;background:var(--fg);color:#0a0a0c!important;padding:9px 19px;border-radius:10px;font-weight:650;font-size:13.5px;transition:transform .18s var(--ease),box-shadow .18s var(--ease);white-space:nowrap}
.nav-cta:hover{transform:translateY(-1px);box-shadow:0 10px 30px -8px rgba(255,255,255,.25);background:var(--fg)}
.nav-cta svg{width:15px;height:15px}
.nav-toggle{display:none;width:38px;height:38px;border:1px solid var(--line-2);background:transparent;border-radius:10px;color:var(--fg);align-items:center;justify-content:center;cursor:pointer;margin-left:auto}
.nav-toggle svg{width:17px;height:17px}

/* ── 按钮 ─────────────────────────────────────────────── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:14px 26px;border-radius:12px;font-size:14.5px;font-weight:650;letter-spacing:.02em;border:1px solid transparent;cursor:pointer;transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .2s,background .2s;white-space:nowrap}
.btn svg{width:17px;height:17px;flex:none}
.btn-primary{background:linear-gradient(180deg,#ffffff,#e9e9ee);color:#0a0a0c;box-shadow:0 1px 0 rgba(255,255,255,.5) inset,0 12px 34px -12px rgba(255,255,255,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 1px 0 rgba(255,255,255,.5) inset,0 20px 46px -14px rgba(255,255,255,.36)}
.btn-ghost{border-color:var(--line-2);color:var(--fg-2);background:rgba(255,255,255,.015)}
.btn-ghost:hover{border-color:var(--line-3);color:var(--fg);transform:translateY(-2px);background:rgba(255,255,255,.04)}
.btn-ai{background:linear-gradient(135deg,var(--ai),var(--ai-2));color:#0d0718;box-shadow:0 12px 34px -12px rgba(151,136,255,.5)}
.btn-ai:hover{transform:translateY(-2px);box-shadow:0 18px 46px -14px rgba(151,136,255,.6)}
.btn-sm{padding:10px 18px;font-size:13px;border-radius:10px}
.btn-block{width:100%}
.btn small{display:block;font-size:11px;font-weight:450;opacity:.62;letter-spacing:.02em}

/* ── 行内小件 ─────────────────────────────────────────── */
.kicker{display:inline-flex;align-items:center;gap:10px;color:var(--ai);font-size:12px;letter-spacing:.22em;font-weight:650;text-transform:uppercase}
.kicker::before{content:'';width:22px;height:1px;background:linear-gradient(90deg,var(--ai),transparent)}
.sec-head{margin-bottom:56px}
.sec-head.center{text-align:center}
.sec-head.center .kicker::after{content:'';width:22px;height:1px;background:linear-gradient(270deg,var(--ai),transparent)}
.sec-head h2{font-size:clamp(28px,3.1vw,40px);font-weight:700;letter-spacing:-.015em;line-height:1.2;margin-top:16px}
.sec-head p{color:var(--muted);margin-top:14px;font-size:15.5px;max-width:640px}
.sec-head.center p{margin-left:auto;margin-right:auto}
.chip{display:inline-flex;align-items:center;gap:8px;padding:7px 15px;border-radius:999px;background:var(--ai-soft);border:1px solid var(--ai-line);color:var(--ai);font-size:12.5px;font-weight:550}
.chip .dot-live{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 0 0 rgba(62,207,142,.5);animation:livePulse 2.6s ease-in-out infinite}
@keyframes livePulse{0%,100%{opacity:.5;box-shadow:0 0 0 0 rgba(62,207,142,.4)}50%{opacity:1;box-shadow:0 0 0 7px rgba(62,207,142,0)}}
.grad{background:linear-gradient(100deg,#f6f5ff 8%,#b3a7ff 52%,#8f7dff 90%);-webkit-background-clip:text;background-clip:text;color:transparent}
.hairline{height:1px;background:linear-gradient(90deg,transparent,var(--line-2),transparent)}

/* ═══ 首页 · Hero ═══════════════════════════════════════ */
.hero{position:relative;padding:88px 0 40px;overflow:hidden}
.hero-bg{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.hero-bg .aurora{position:absolute;width:920px;height:560px;top:-260px;left:50%;transform:translateX(-50%);background:
  radial-gradient(ellipse 50% 55% at 42% 40%,rgba(151,136,255,.20),transparent 68%),
  radial-gradient(ellipse 42% 48% at 64% 30%,rgba(62,207,142,.10),transparent 70%);
  filter:blur(30px);animation:auroraDrift 22s ease-in-out infinite alternate}
@keyframes auroraDrift{0%{transform:translateX(-52%) translateY(0) scale(1)}100%{transform:translateX(-47%) translateY(26px) scale(1.06)}}
.hero-bg .grid{position:absolute;inset:0;background-image:
  linear-gradient(rgba(255,255,255,.033) 1px,transparent 1px),
  linear-gradient(90deg,rgba(255,255,255,.033) 1px,transparent 1px);
  background-size:44px 44px;
  -webkit-mask-image:radial-gradient(ellipse 92% 78% at 50% 0%,#000 10%,transparent 76%);
  mask-image:radial-gradient(ellipse 92% 78% at 50% 0%,#000 10%,transparent 76%)}
.hero-bg .stars{position:absolute;inset:0;width:100%;height:100%;opacity:.9;-webkit-mask-image:radial-gradient(ellipse 105% 74% at 50% 0%,#000 30%,transparent 92%);mask-image:radial-gradient(ellipse 105% 74% at 50% 0%,#000 30%,transparent 92%)}
.hero-bg .fade{position:absolute;left:0;right:0;bottom:-1px;height:220px;background:linear-gradient(180deg,transparent,var(--bg) 88%)}
.hero-in{position:relative;text-align:center;max-width:880px;margin:0 auto}
.hero h1{font-size:clamp(40px,5.8vw,74px);font-weight:700;letter-spacing:-.022em;line-height:1.1;margin-top:26px}
.hero-sub{color:var(--muted);font-size:16.5px;line-height:1.9;max-width:620px;margin:22px auto 0}
.cta-row{display:flex;gap:14px;justify-content:center;margin-top:38px;flex-wrap:wrap}
.os-note{color:var(--dim);font-size:12.5px;margin-top:16px;letter-spacing:.02em}
.os-note b{color:var(--muted);font-weight:550}
.dl-count{margin-top:14px;font-size:13px;color:var(--muted);display:flex;align-items:center;justify-content:center;gap:9px}
.dl-count b{color:var(--fg-2);font-family:var(--mono);font-weight:600;font-variant-numeric:tabular-nums;letter-spacing:.04em}
.dl-count .pulse{width:7px;height:7px;border-radius:50%;background:var(--green);animation:livePulse 2.6s ease-in-out infinite}
.micro-links{margin-top:14px;font-size:13px;color:var(--dim);display:flex;gap:20px;justify-content:center;flex-wrap:wrap}
.micro-links a{color:var(--muted);border-bottom:1px dashed var(--line-2);padding-bottom:1px;transition:color .2s,border-color .2s}
.micro-links a:hover{color:var(--ai);border-color:var(--ai-line)}

/* ── 产品窗口（hero 舞台）────────── */
.stage{position:relative;max-width:1080px;margin:64px auto 0;perspective:1600px}
.stage::before{content:'';position:absolute;inset:-70px -40px 0;background:radial-gradient(ellipse 60% 46% at 50% 26%,rgba(151,136,255,.14),transparent 70%);pointer-events:none;filter:blur(8px)}
.win{position:relative;border:1px solid var(--line-2);border-radius:16px;background:linear-gradient(180deg,#0c0c10,#08080b);box-shadow:0 1px 0 rgba(255,255,255,.06) inset,0 60px 140px -40px rgba(0,0,0,.85),0 30px 60px -30px rgba(0,0,0,.6);overflow:hidden;text-align:left}
.win-bar{display:flex;align-items:center;gap:8px;height:44px;padding:0 16px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.018)}
.win-dot{width:11px;height:11px;border-radius:50%;background:#2e2e35}
.win-dot:nth-child(1){background:#e0564e}.win-dot:nth-child(2){background:#d9a13c}.win-dot:nth-child(3){background:#57b65a}
.win-title{flex:1;text-align:center;font-size:12px;color:var(--dim);font-family:var(--mono);letter-spacing:.04em}
.win-right{display:flex;gap:10px;color:var(--dim)}
.win-right svg{width:14px;height:14px}
.win-body{display:grid;grid-template-columns:212px 1fr;min-height:432px}
.win-side{border-right:1px solid var(--line);padding:16px 12px;background:rgba(255,255,255,.012);display:flex;flex-direction:column;gap:3px}
.win-side .ws-brand{display:flex;align-items:center;gap:9px;font-size:12.5px;font-weight:650;letter-spacing:.05em;color:var(--fg-2);padding:4px 8px 14px;border-bottom:1px solid var(--line);margin-bottom:10px}
.win-side .ws-brand img{width:18px;height:18px;border-radius:5px}
.ws-item{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:9px;font-size:13px;color:var(--muted)}
.ws-item svg{width:15px;height:15px;opacity:.8}
.ws-item.on{background:rgba(151,136,255,.13);color:var(--fg)}
.ws-item.on svg{color:var(--ai);opacity:1}
.win-main{padding:26px 30px;position:relative;display:flex;flex-direction:column;gap:14px;min-height:432px}
.win-main .wm-head{font-size:11.5px;color:var(--dim);letter-spacing:.14em;text-transform:uppercase;margin-bottom:2px}

/* 回放元素 */
.rp{opacity:0;transform:translateY(10px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.rp.on{opacity:1;transform:none}
.msg{max-width:82%;border-radius:14px;padding:12px 16px;font-size:13.8px;line-height:1.7}
.msg.user{align-self:flex-end;background:rgba(255,255,255,.055);border:1px solid var(--line);border-top-right-radius:5px}
.msg.ai{align-self:flex-start;background:rgba(151,136,255,.075);border:1px solid rgba(151,136,255,.2);border-top-left-radius:5px;color:var(--fg-2)}
.think-chip{align-self:flex-start;display:inline-flex;align-items:center;gap:9px;font-size:12.5px;color:var(--ai);background:var(--ai-soft);border:1px solid var(--ai-line);border-radius:999px;padding:6px 14px}
.think-chip .spin{width:11px;height:11px;border:2px solid rgba(151,136,255,.3);border-top-color:var(--ai);border-radius:50%;animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.plan-card{align-self:flex-start;width:min(440px,92%);background:rgba(255,255,255,.026);border:1px solid var(--line-2);border-radius:14px;padding:15px 17px}
.plan-card .pc-head{display:flex;align-items:center;gap:8px;font-size:12.5px;font-weight:650;color:var(--fg-2);margin-bottom:11px}
.plan-card .pc-head svg{width:14px;height:14px;color:var(--ai)}
.plan-card ol{list-style:none;display:flex;flex-direction:column;gap:8px}
.plan-card li{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);transition:color .4s}
.plan-card li .st{width:16px;height:16px;border-radius:50%;border:1.5px solid var(--line-2);flex:none;display:flex;align-items:center;justify-content:center;transition:all .4s}
.plan-card li .st svg{width:9px;height:9px;opacity:0;transition:opacity .3s;color:#0a0a0c}
.plan-card li.doing{color:var(--fg-2)}
.plan-card li.doing .st{border-color:var(--ai);box-shadow:0 0 0 3px rgba(151,136,255,.14)}
.plan-card li.done{color:var(--fg)}
.plan-card li.done .st{background:var(--green);border-color:var(--green)}
.plan-card li.done .st svg{opacity:1}
.tool-row{align-self:flex-start;display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--muted);font-family:var(--mono);background:rgba(255,255,255,.022);border:1px solid var(--line);border-radius:10px;padding:8px 13px}
.tool-row .tr-ic{color:var(--green)}
.tool-row .tr-ic svg{width:13px;height:13px}
.tool-row b{color:var(--fg-2);font-weight:550}
.deliver{align-self:flex-start;display:inline-flex;align-items:center;gap:8px;margin-top:2px;font-size:12px;color:var(--green);background:var(--green-soft);border:1px solid rgba(62,207,142,.3);border-radius:999px;padding:5px 13px}
.deliver svg{width:12px;height:12px}
.caret{display:inline-block;width:7px;height:15px;background:var(--ai);border-radius:2px;animation:blink 1.1s steps(1) infinite;vertical-align:middle}
@keyframes blink{50%{opacity:0}}
.win-foot{position:absolute;left:30px;right:30px;bottom:14px;display:flex;align-items:center;gap:8px;font-size:11px;color:var(--dim)}
.win-foot .wf-chip{border:1px solid var(--line);border-radius:6px;padding:2px 8px;font-family:var(--mono)}

/* ═══ 数据条 ═══════════════════════════════════════════ */
.statband{position:relative;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:rgba(255,255,255,.012)}
.statband-in{max-width:var(--wrap);margin:0 auto;padding:0 28px;display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:34px 10px;text-align:center;position:relative}
.stat+.stat::before{content:'';position:absolute;left:0;top:26%;bottom:26%;width:1px;background:var(--line)}
.stat b{display:block;font-size:clamp(26px,2.6vw,36px);font-weight:700;letter-spacing:-.02em;font-variant-numeric:tabular-nums;background:linear-gradient(180deg,#fff,#b9b9c6);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{display:block;font-size:12.5px;color:var(--dim);margin-top:7px;letter-spacing:.02em}

/* ═══ 功能 ═════════════════════════════════════════════ */
.sec{padding:112px 0}
.sec.tight{padding:96px 0}
.sec.alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.feat{position:relative;background:linear-gradient(180deg,rgba(255,255,255,.024),rgba(255,255,255,.008) 60%);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 24px 24px;transition:border-color .25s,transform .3s var(--ease),box-shadow .3s var(--ease)}
.feat::before{content:'';position:absolute;top:0;left:18px;right:18px;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.14),transparent);opacity:0;transition:opacity .3s}
.feat:hover{border-color:var(--line-2);transform:translateY(-3px);box-shadow:0 24px 60px -30px rgba(0,0,0,.9)}
.feat:hover::before{opacity:1}
.feat .no{position:absolute;top:22px;right:22px;font-family:var(--mono);font-size:11px;color:var(--dim);letter-spacing:.08em}
.feat .ic{width:42px;height:42px;border-radius:12px;background:var(--ai-soft);border:1px solid var(--ai-line);display:flex;align-items:center;justify-content:center;color:var(--ai);margin-bottom:18px;transition:transform .3s var(--ease)}
.feat:hover .ic{transform:translateY(-2px) scale(1.04)}
.feat .ic svg{width:20px;height:20px}
.feat h3{font-size:16.5px;font-weight:650;letter-spacing:.01em;margin-bottom:9px}
.feat p{color:var(--muted);font-size:13.8px;line-height:1.8}
/* ── Bento 宽瓦片 2.0：宽卡 + 迷你产品演示 ── */
.feat.wide{grid-column:span 2;display:grid;grid-template-columns:1.06fr .94fr;gap:22px;align-items:center;padding:26px 26px 26px 24px}
.feat .ft-side{min-width:0;position:relative}
.feat.wide .ic{margin-bottom:16px}
.mk{min-width:0;border:1px solid var(--line-2);background:linear-gradient(180deg,rgba(255,255,255,.032),rgba(255,255,255,.008));border-radius:14px;padding:14px;font-size:12.5px;color:var(--muted);box-shadow:0 22px 60px -34px rgba(0,0,0,.95)}
.mk-head{display:flex;align-items:center;gap:8px;color:var(--fg-2);font-weight:600;margin-bottom:6px}
.mk-head .mk-dot{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 10px var(--green);flex:none}
.mk .mk-row{display:flex;align-items:center;gap:9px;padding:7.5px 0;border-top:1px solid var(--line);font-size:12.3px}
.mk .mk-row:first-of-type{border-top:0}
.mk .mk-row i{width:15px;height:15px;border-radius:50%;border:1.5px solid var(--line-3);flex:none;position:relative}
.mk .mk-row.done{color:var(--dim)}
.mk .mk-row.done i{border-color:rgba(62,207,142,.55);background:rgba(62,207,142,.13)}
.mk .mk-row.done i::after{content:'';position:absolute;left:4.2px;top:2px;width:4px;height:7.5px;border:solid var(--green);border-width:0 1.6px 1.6px 0;transform:rotate(45deg)}
.mk .mk-row.doing{color:var(--fg-2)}
.mk .mk-row.doing i{border-color:var(--ai-line);box-shadow:0 0 0 3px var(--ai-soft)}
.mk .mk-row.doing i::after{content:'';position:absolute;inset:3px;border-radius:50%;background:var(--ai);animation:mkpulse 1.5s ease-in-out infinite}
@keyframes mkpulse{50%{opacity:.2;transform:scale(.8)}}
.mk-path{font-family:var(--mono);font-size:11.5px;color:var(--muted);background:rgba(255,255,255,.03);border:1px solid var(--line);border-radius:8px;padding:7px 10px;margin:2px 0 4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mk-path b{color:var(--ai);font-weight:600}
.mk-btns{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}
.mk-btns span{font-size:12px;padding:6px 12px;border-radius:9px;border:1px solid var(--line-2);color:var(--fg-2);white-space:nowrap}
.mk-btns .b1{background:linear-gradient(135deg,var(--ai),var(--ai-2));border-color:transparent;color:#0d0718;font-weight:650}
.mk-btns .b2{background:var(--ai-soft);border-color:var(--ai-line);color:var(--ai)}
.mk .mk-row .fi{width:14px;height:14px;border-radius:4.5px;border:1.5px solid var(--line-3);flex:none;position:relative}
.mk .mk-row .fi::after{content:'';position:absolute;left:3px;right:3px;top:5px;height:1.4px;background:var(--line-3);box-shadow:0 3.5px 0 var(--line-3)}
.mk .mk-row .tg{margin-left:auto;width:28px;height:16px;border-radius:99px;background:rgba(255,255,255,.08);border:1px solid var(--line-2);position:relative;flex:none;transition:.25s}
.mk .mk-row .tg::after{content:'';position:absolute;top:1.5px;left:2px;width:11px;height:11px;border-radius:50%;background:var(--dim);transition:.25s}
.mk .mk-row .tg.on{background:rgba(62,207,142,.16);border-color:rgba(62,207,142,.45)}
.mk .mk-row .tg.on::after{left:13px;background:var(--green)}

/* ═══ 深潜展示（交替行）═══════════════════════════════ */
.show-row{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:center;padding:54px 0}
.show-row+.show-row{border-top:1px solid var(--line)}
.show-row.flip .show-copy{order:2}
.show-row.flip .show-mock{order:1}
.show-copy h3{font-size:clamp(24px,2.4vw,32px);font-weight:700;letter-spacing:-.015em;line-height:1.25;margin-top:16px}
.show-copy .lead{color:var(--muted);margin-top:16px;font-size:14.8px;line-height:1.9}
.show-copy ul{list-style:none;margin-top:20px;display:flex;flex-direction:column;gap:10px}
.show-copy li{display:flex;gap:10px;align-items:flex-start;font-size:13.8px;color:var(--fg-2)}
.show-copy li svg{width:15px;height:15px;color:var(--green);flex:none;margin-top:5px}
.show-mock{position:relative}
.mock{background:linear-gradient(180deg,#0d0d11,#09090c);border:1px solid var(--line-2);border-radius:var(--r-lg);padding:20px;box-shadow:0 40px 90px -40px rgba(0,0,0,.85);position:relative;overflow:hidden}
.mock::before{content:'';position:absolute;width:340px;height:220px;top:-120px;right:-80px;background:radial-gradient(ellipse at center,rgba(151,136,255,.16),transparent 70%);pointer-events:none}
.mock-bar{display:flex;align-items:center;gap:7px;margin-bottom:16px}
.mock-bar i{width:9px;height:9px;border-radius:50%;background:#2b2b32}
.mock-bar i:nth-child(1){background:#e0564e}.mock-bar i:nth-child(2){background:#d9a13c}.mock-bar i:nth-child(3){background:#57b65a}
.mock-bar span{margin-left:6px;font-size:11px;color:var(--dim);font-family:var(--mono);letter-spacing:.05em}
.mock-title{font-size:12.5px;color:var(--dim);letter-spacing:.12em;text-transform:uppercase;margin-bottom:12px}

/* 审批卡 mock */
.appr{background:rgba(255,255,255,.03);border:1px solid var(--line-2);border-radius:13px;padding:16px}
.appr .ap-head{display:flex;align-items:center;gap:10px;font-size:13.5px;font-weight:600}
.appr .ap-head .ic{width:30px;height:30px;border-radius:9px;background:rgba(232,180,94,.12);border:1px solid rgba(232,180,94,.35);color:var(--amber);display:flex;align-items:center;justify-content:center;flex:none}
.appr .ap-head .ic svg{width:15px;height:15px}
.appr .ap-path{margin:13px 0 4px;font-family:var(--mono);font-size:12px;color:var(--fg-2);background:#0a0a0d;border:1px solid var(--line);border-radius:9px;padding:10px 12px;word-break:break-all}
.appr .ap-meta{font-size:11.5px;color:var(--dim);margin-bottom:14px}
.appr .ap-btns{display:flex;gap:9px;flex-wrap:wrap}
.appr .ap-btns button{border-radius:9px;font-size:12.5px;padding:8px 14px;cursor:default;font-family:inherit}
.appr .ap-once{background:var(--fg);color:#0a0a0c;border:1px solid var(--fg);font-weight:600}
.appr .ap-always{background:transparent;color:var(--fg-2);border:1px solid var(--line-2)}
.appr .ap-deny{background:transparent;color:var(--muted);border:1px solid var(--line)}
.appr .ap-log{margin-top:14px;padding-top:12px;border-top:1px solid var(--line);font-size:11.5px;color:var(--dim);display:flex;flex-direction:column;gap:6px}
.appr .ap-log span{display:flex;gap:8px;align-items:center}
.appr .ap-log svg{width:11px;height:11px;color:var(--green)}

/* 记忆 mock */
.mem-chips{display:flex;flex-wrap:wrap;gap:8px}
.mem-chips span{font-size:12px;color:var(--fg-2);background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:999px;padding:6px 13px}
.mem-chips span.ai{border-color:var(--ai-line);color:var(--ai);background:var(--ai-soft)}
.mem-card{margin-top:14px;background:rgba(255,255,255,.03);border:1px solid var(--line);border-radius:12px;padding:14px 16px}
.mem-card b{font-size:12.5px;color:var(--fg-2);display:block;margin-bottom:6px}
.mem-card p{font-size:12.5px;color:var(--muted);line-height:1.8}

/* 开放生态 mock */
.eco-chips{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.eco-chips span{display:flex;align-items:center;gap:7px;font-size:12px;color:var(--fg-2);background:rgba(255,255,255,.03);border:1px solid var(--line);border-radius:9px;padding:9px 11px}
.eco-chips .dot{width:6px;height:6px;border-radius:50%;background:var(--green)}
.code-block{margin-top:14px;background:#0a0a0d;border:1px solid var(--line);border-radius:11px;padding:13px 15px;font-family:var(--mono);font-size:11.8px;line-height:1.9;color:var(--muted);overflow:auto}
.code-block .k{color:var(--ai-2)}
.code-block .s{color:var(--green)}
.code-block .c{color:var(--dim)}

/* ═══ 模型 ═════════════════════════════════════════════ */
.models{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;max-width:880px;margin:36px auto 0}
.model-pill{display:inline-flex;align-items:center;gap:9px;padding:10px 19px;border-radius:999px;background:rgba(255,255,255,.03);border:1px solid var(--line);font-size:13.5px;color:var(--fg-2);transition:border-color .2s,transform .2s,color .2s}
.model-pill:hover{border-color:var(--line-2);color:var(--fg);transform:translateY(-1px)}
.model-pill .dot{width:7px;height:7px;border-radius:50%;background:var(--green)}
.custom-note{margin:34px auto 0;max-width:660px;text-align:center;background:linear-gradient(180deg,rgba(151,136,255,.07),rgba(151,136,255,.02));border:1px solid var(--ai-line);border-radius:var(--r-lg);padding:22px 28px;font-size:14px;color:var(--fg-2);line-height:1.9}
.custom-note b{color:var(--ai)}

/* ═══ 定价 ═════════════════════════════════════════════ */
.promo-bar{display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap;margin:0 auto 30px;padding:12px 24px;width:max-content;max-width:94%;border-radius:999px;background:linear-gradient(90deg,rgba(151,136,255,.13),rgba(151,136,255,.03) 55%,rgba(62,207,142,.09));border:1px solid var(--ai-line);font-size:13px;color:var(--fg-2)}
.promo-bar svg{width:15px;height:15px;color:var(--ai);flex:none}
.promo-bar b{color:var(--ai);font-weight:650}
.promo-clock{font-family:var(--mono);font-weight:600;color:#fff;background:rgba(151,136,255,.16);border:1px solid var(--ai-line);border-radius:8px;padding:3px 11px;font-size:12.5px;letter-spacing:.08em;font-variant-numeric:tabular-nums;white-space:nowrap}
.promo-sep{width:1px;height:16px;background:var(--line-2)}
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;max-width:1020px;margin:0 auto;align-items:stretch}
.plan{background:linear-gradient(180deg,rgba(255,255,255,.026),rgba(255,255,255,.008) 55%);border:1px solid var(--line);border-radius:20px;padding:32px 27px 27px;display:flex;flex-direction:column;position:relative;transition:border-color .25s,transform .3s var(--ease)}
.plan:hover{border-color:var(--line-2);transform:translateY(-3px)}
.plan.hot{border-color:var(--ai-line);background:linear-gradient(180deg,rgba(151,136,255,.09),rgba(151,136,255,.015) 50%,rgba(255,255,255,.01));box-shadow:0 30px 80px -40px rgba(151,136,255,.45)}
.plan .badge{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:linear-gradient(135deg,var(--ai),var(--ai-2));color:#0d0718;font-size:11.5px;font-weight:700;padding:5px 15px;border-radius:999px;letter-spacing:.08em;white-space:nowrap}
.plan:not(.hot) .badge{background:rgba(255,255,255,.07);color:var(--fg-2);border:1px solid var(--line-2);font-weight:600}
.plan h3{font-size:15.5px;font-weight:650;color:var(--muted)}
.plan .price{margin:16px 0 6px;font-size:42px;font-weight:700;letter-spacing:-.025em;line-height:1}
.plan .price small{font-size:14px;font-weight:450;color:var(--muted);letter-spacing:0}
.plan .price .was{font-size:15px;color:var(--dim);text-decoration:line-through;font-weight:400;margin-left:10px}
.plan.hot .price{background:linear-gradient(100deg,#ffffff 20%,#b3a7ff 62%,#9788ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.plan .desc{color:var(--muted);font-size:12.8px;line-height:1.75;padding-bottom:18px;border-bottom:1px solid var(--line);margin-bottom:18px}
.plan ul{list-style:none;display:flex;flex-direction:column;gap:11px;font-size:13.5px;color:var(--fg-2);flex:1}
.plan li{display:flex;gap:10px;align-items:flex-start;line-height:1.65}
.plan li svg{width:15px;height:15px;flex:none;margin-top:4px;color:var(--green)}
.plan .btn{margin-top:26px;width:100%}
.pay-online-note{max-width:680px;margin:36px auto 0;background:linear-gradient(180deg,rgba(151,136,255,.06),transparent);border:1px solid var(--ai-line);border-radius:var(--r-lg);padding:22px 28px;text-align:center}
.pay-online-note b{color:var(--ai);font-size:14.5px;display:block}
.pay-online-note p{font-size:13px;color:var(--fg-2);margin:10px 0;line-height:1.9}
.pay-online-note p b{display:inline;font-size:inherit}
.pay-online-note span{font-size:12px;color:var(--dim)}
.pay-online-note a{color:var(--ai);cursor:pointer;border-bottom:1px dashed var(--ai-line)}
.plan-note{text-align:center;color:var(--dim);font-size:12.5px;margin-top:24px}
.plan-note b{color:var(--muted);font-weight:550}

/* 支付弹窗（移植自现网，视觉对齐 vNext） */
.paymask{display:none;position:fixed;inset:0;z-index:120;background:rgba(3,3,5,.8);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);align-items:center;justify-content:center;padding:20px}
.paymask.show{display:flex}
.paycard{background:var(--panel-2);border:1px solid var(--line-2);border-radius:20px;padding:34px 32px 30px;width:384px;max-width:94vw;position:relative;text-align:center;box-shadow:0 60px 140px -40px rgba(0,0,0,.9)}
.pay-x{position:absolute;top:14px;right:14px;width:30px;height:30px;border:none;background:transparent;color:var(--muted);cursor:pointer;border-radius:8px;font-size:15px;line-height:1}
.pay-x:hover{color:var(--fg);background:rgba(255,255,255,.06)}
.pay-title{font-size:17px;font-weight:650;margin-bottom:8px;letter-spacing:.01em}
.pay-sub{font-size:12.5px;color:var(--muted);margin-bottom:20px}
.pay-seg{display:flex;gap:10px;margin-bottom:20px}
.pay-seg button{flex:1;padding:14px 8px;border-radius:12px;border:1px solid var(--line-2);background:rgba(255,255,255,.02);color:var(--fg-2);cursor:pointer;font-size:13.5px;transition:border-color .2s,background .2s}
.pay-seg button.on{border-color:var(--ai);color:var(--fg);background:var(--ai-soft)}
.pay-seg button b{display:block;font-size:18px;margin-top:4px;letter-spacing:.02em}
.pay-img{width:224px;height:224px;margin:6px auto 14px;display:block;border-radius:12px;background:#fff;padding:9px}
.pay-amt{font-size:32px;font-weight:700;margin:8px 0 4px;letter-spacing:-.01em}
.pay-status{font-size:13px;color:var(--muted);margin-bottom:16px}
.pay-status.wait{color:var(--ai)}
.pay-status.ok{color:var(--green);font-weight:600}
.code-box{font-family:var(--mono);font-size:20px;font-weight:600;letter-spacing:.12em;background:#0b0b0e;border:1px solid rgba(62,207,142,.35);color:var(--green);border-radius:12px;padding:16px 12px;margin:14px 0 16px;word-break:break-all}
.pay-fine{font-size:11.5px;color:var(--muted);margin-top:16px;line-height:1.9}
.pay-fine span{font-family:var(--mono)}
.pay-find{display:flex;gap:8px;margin-bottom:16px}
.pay-find input{flex:1;background:#0b0b0e;border:1px solid var(--line-2);border-radius:10px;color:var(--fg);padding:11px 13px;font-size:13px;outline:none;min-width:0}
.pay-find input:focus{border-color:var(--ai)}

/* ═══ FAQ ══════════════════════════════════════════════ */
.faq{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:10px}
.faq details{background:linear-gradient(180deg,rgba(255,255,255,.022),rgba(255,255,255,.006));border:1px solid var(--line);border-radius:14px;padding:19px 24px;transition:border-color .25s,background .25s}
.faq details:hover{border-color:var(--line-2)}
.faq details[open]{border-color:var(--ai-line);background:linear-gradient(180deg,rgba(151,136,255,.05),rgba(255,255,255,.005))}
.faq summary{cursor:pointer;font-weight:600;font-size:14.8px;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px;letter-spacing:.01em}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'';width:9px;height:9px;border-right:1.6px solid var(--muted);border-bottom:1.6px solid var(--muted);transform:rotate(45deg);transition:transform .3s var(--ease),border-color .3s;flex:none;margin-right:3px;margin-top:-4px}
.faq details[open] summary{color:var(--fg)}
.faq details[open] summary::after{transform:rotate(-135deg);border-color:var(--ai);margin-top:3px}
.faq details p{color:var(--muted);font-size:13.6px;margin-top:14px;line-height:1.9}

/* ═══ 在线演示 ═════════════════════════════════════════ */
.demo-wrap{max-width:1010px;margin:44px auto 0;border:1px solid var(--line-2);border-radius:16px;overflow:hidden;background:#0b0b0e;box-shadow:0 50px 120px -50px rgba(0,0,0,.9)}
.demo-head{display:flex;align-items:center;gap:7px;padding:12px 16px;background:rgba(255,255,255,.02);border-bottom:1px solid var(--line)}
.d-dot{width:10px;height:10px;border-radius:50%;background:#2e2e35}
.d-dot:nth-child(1){background:#e0564e}.d-dot:nth-child(2){background:#d9a13c}.d-dot:nth-child(3){background:#57b65a}
.demo-title{flex:1;text-align:center;font-size:12.5px;color:var(--dim);font-family:var(--mono)}
.demo-full{font-size:12.5px;color:var(--ai);white-space:nowrap;transition:opacity .2s}
.demo-full:hover{opacity:.8}
.demo-frame{display:block;width:100%;height:600px;border:0;background:#0a0a0d}
.demo-note{text-align:center;font-size:12.5px;color:var(--dim);margin:14px 0 0;line-height:1.9}
.demo-note b{color:var(--muted);font-weight:550}

/* ═══ CTA ══════════════════════════════════════════════ */
.cta{position:relative;text-align:center;padding:110px 24px;border-top:1px solid var(--line);overflow:hidden}
.cta::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 56% 70% at 50% 108%,rgba(151,136,255,.15),transparent 72%);pointer-events:none}
.cta h2{position:relative;font-size:clamp(30px,3.4vw,46px);font-weight:700;letter-spacing:-.02em;line-height:1.2}
.cta .cta-sub{position:relative;color:var(--muted);margin:16px 0 32px;font-size:15px}
.cta .cta-row{position:relative}
.cli-hint{margin-top:26px;color:var(--dim);font-size:12.5px;display:flex;align-items:center;justify-content:center;gap:8px;flex-wrap:wrap}
.cli-hint code{background:rgba(255,255,255,.04);border:1px solid var(--line);padding:4px 12px;border-radius:7px;color:#5cc8a0;font-family:var(--mono);font-size:12px}
.ai-setup-entry{position:relative;max-width:680px;margin:18px auto 0;display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:center;background:rgba(255,255,255,.02);border:1px solid var(--ai-line);border-radius:13px;padding:12px 18px}
.ase-label{font-size:12.5px;color:var(--muted);white-space:nowrap}
.ase-cmd{font-family:var(--mono);font-size:11.5px;color:var(--ai);background:#0b0b0e;border:1px solid var(--line-2);border-radius:8px;padding:7px 11px;user-select:all;word-break:break-all;text-align:left;flex:1;min-width:220px}
.ase-copy{font-size:12px;color:var(--fg);background:var(--ai-soft);border:1px solid var(--ai-line);border-radius:8px;padding:7px 15px;cursor:pointer;white-space:nowrap;transition:border-color .2s,background .2s}
.ase-copy:hover{border-color:var(--ai);background:rgba(151,136,255,.18)}

/* ═══ 页脚 ═════════════════════════════════════════════ */
.footer{border-top:1px solid var(--line);background:var(--bg-1);padding:64px 0 34px;font-size:13px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:44px;margin-bottom:48px}
.f-brand .fb-logo{display:flex;align-items:center;gap:11px;font-weight:700;letter-spacing:.06em;font-size:15px;margin-bottom:16px}
.f-brand .fb-logo img{width:28px;height:28px;border-radius:8px}
.f-brand p{color:var(--dim);font-size:12.8px;line-height:1.9;max-width:280px}
.f-col h4{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--dim);font-weight:650;margin-bottom:18px}
.f-col a{display:block;color:var(--muted);padding:5px 0;font-size:13px;transition:color .2s;width:max-content}
.f-col a:hover{color:var(--fg)}
.f-col a span.tag{font-size:10px;color:var(--ai);border:1px solid var(--ai-line);border-radius:5px;padding:1px 6px;margin-left:7px;vertical-align:1px}
.foot-bottom{border-top:1px solid var(--line);padding-top:26px;display:flex;flex-direction:column;gap:12px;align-items:center;text-align:center;color:var(--dim);font-size:12px}
.beian{display:flex;gap:20px;justify-content:center;flex-wrap:wrap;align-items:center;font-size:12px;color:var(--dim)}
.beian a{display:inline-flex;align-items:center;gap:5px;color:var(--dim);transition:color .2s}
.beian a:hover{color:var(--muted)}
.beian img{width:15px;height:15px;display:inline-block}

/* ═══ 子页通用 ═════════════════════════════════════════ */
.page-hero{padding:84px 0 26px;text-align:center;position:relative;overflow:hidden}
.page-hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 46% 46% at 50% 0%,rgba(151,136,255,.13),transparent 70%);pointer-events:none}
.page-hero h1{position:relative;font-size:clamp(32px,4vw,52px);font-weight:700;letter-spacing:-.02em;line-height:1.15;margin-top:20px}
.page-hero .ph-sub{position:relative;color:var(--muted);margin:16px auto 0;font-size:15.5px;max-width:560px;line-height:1.9}
.crumb{position:relative;font-size:12.5px;color:var(--dim)}
.crumb a{color:var(--muted);transition:color .2s}
.crumb a:hover{color:var(--ai)}

/* 下载页 */
.dl-cards{display:grid;grid-template-columns:1fr 1fr;gap:18px;max-width:920px;margin:20px auto 0}
.dl-card{background:linear-gradient(180deg,rgba(255,255,255,.026),rgba(255,255,255,.008) 60%);border:1px solid var(--line);border-radius:20px;padding:30px 28px;display:flex;flex-direction:column;position:relative;transition:border-color .25s,transform .3s var(--ease)}
.dl-card:hover{border-color:var(--line-2);transform:translateY(-3px)}
.dl-card.rec{border-color:var(--ai-line);background:linear-gradient(180deg,rgba(151,136,255,.08),rgba(255,255,255,.008) 55%)}
.dl-card .dl-tag{position:absolute;top:-12px;left:28px;background:linear-gradient(135deg,var(--ai),var(--ai-2));color:#0d0718;font-size:11px;font-weight:700;padding:4px 12px;border-radius:999px;letter-spacing:.08em}
.dl-card h3{font-size:17px;font-weight:650;display:flex;align-items:center;gap:10px}
.dl-card h3 svg{width:18px;height:18px;color:var(--ai)}
.dl-card .dl-meta{color:var(--muted);font-size:12.8px;margin:10px 0 20px;line-height:1.8}
.dl-card .dl-file{font-family:var(--mono);font-size:12px;color:var(--fg-2);background:#0b0b0e;border:1px solid var(--line);border-radius:9px;padding:9px 12px;margin-bottom:18px;word-break:break-all}
.dl-card .btn{margin-top:auto}
.steps{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:0;counter-reset:step}
.step{display:grid;grid-template-columns:44px 1fr;gap:20px;padding:22px 0;border-top:1px solid var(--line)}
.step:first-child{border-top:0}
.step .s-no{width:34px;height:34px;border-radius:11px;background:var(--ai-soft);border:1px solid var(--ai-line);color:var(--ai);display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-size:13px;font-weight:600}
.step b{font-size:14.8px;font-weight:650;display:block;margin-bottom:6px}
.step p{color:var(--muted);font-size:13.6px;line-height:1.85}
.req-list{max-width:760px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:12px}
.req{display:flex;align-items:center;gap:11px;background:rgba(255,255,255,.02);border:1px solid var(--line);border-radius:12px;padding:14px 17px;font-size:13.5px;color:var(--fg-2)}
.req svg{width:15px;height:15px;color:var(--green);flex:none}

/* 更新日志 */
.timeline{max-width:820px;margin:14px auto 0;position:relative}
.timeline::before{content:'';position:absolute;left:7px;top:8px;bottom:8px;width:1px;background:linear-gradient(180deg,var(--line-2),transparent)}
.tl-item{position:relative;padding:0 0 44px 40px}
.tl-item:last-child{padding-bottom:0}
.tl-dot{position:absolute;left:0;top:5px;width:15px;height:15px;border-radius:50%;border:1.5px solid var(--line-2);background:var(--bg)}
.tl-item.latest .tl-dot{border-color:var(--ai);box-shadow:0 0 0 4px rgba(151,136,255,.16)}
.tl-dot::after{content:'';position:absolute;inset:3.5px;border-radius:50%;background:var(--line-2)}
.tl-item.latest .tl-dot::after{background:var(--ai)}
.tl-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.tl-head .ver{font-family:var(--mono);font-size:15px;font-weight:650;letter-spacing:.03em}
.tl-head .date{font-size:12.5px;color:var(--dim);font-family:var(--mono)}
.tl-tag{font-size:11px;font-weight:600;border-radius:6px;padding:2px 9px;letter-spacing:.04em}
.tl-tag.feature{color:var(--ai);background:var(--ai-soft);border:1px solid var(--ai-line)}
.tl-tag.fix{color:var(--green);background:var(--green-soft);border:1px solid rgba(62,207,142,.32)}
.tl-tag.improve{color:var(--amber);background:rgba(232,180,94,.1);border:1px solid rgba(232,180,94,.32)}
.tl-title{font-size:15px;font-weight:600;margin:10px 0 10px}
.tl-item ul{list-style:none;display:flex;flex-direction:column;gap:8px}
.tl-item li{display:flex;gap:10px;font-size:13.6px;color:var(--muted);line-height:1.8}
.tl-item li::before{content:'';width:5px;height:5px;border-radius:50%;background:var(--line-3);flex:none;margin-top:9px}
.tl-more{text-align:center;color:var(--dim);font-size:12.5px;margin-top:34px}

/* 正文（关于/协议/隐私） */
.prose{max-width:800px;margin:0 auto;font-size:14.5px;color:var(--muted);line-height:2}
.prose h2{font-size:18px;font-weight:650;color:var(--fg);margin:40px 0 14px;letter-spacing:.01em;display:flex;align-items:center;gap:12px}
.prose h2 .n{font-family:var(--mono);font-size:12.5px;color:var(--ai);font-weight:600}
.prose h2:first-child{margin-top:0}
.prose p{margin-bottom:14px}
.prose b{color:var(--fg-2);font-weight:600}
.prose .pill-note{display:inline-block;background:var(--ai-soft);border:1px solid var(--ai-line);border-radius:999px;padding:5px 14px;font-size:12.5px;color:var(--ai);margin-bottom:22px}
.prose .cardline{background:rgba(255,255,255,.02);border:1px solid var(--line);border-radius:12px;padding:16px 20px;margin:14px 0;font-size:13.6px}
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:30px 0 10px}
.contact-card{background:rgba(255,255,255,.02);border:1px solid var(--line);border-radius:14px;padding:22px;text-align:center}
.contact-card .cc-ic{width:38px;height:38px;border-radius:11px;background:var(--ai-soft);border:1px solid var(--ai-line);display:flex;align-items:center;justify-content:center;color:var(--ai);margin:0 auto 13px}
.contact-card .cc-ic svg{width:17px;height:17px}
.contact-card b{font-size:13.5px;display:block;margin-bottom:5px}
.contact-card span{font-size:12.5px;color:var(--dim);word-break:break-all}
.about-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:36px 0}
.about-stat{background:rgba(255,255,255,.02);border:1px solid var(--line);border-radius:14px;padding:22px;text-align:center}
.about-stat b{display:block;font-size:26px;font-weight:700;letter-spacing:-.01em}
.about-stat span{font-size:12px;color:var(--dim);margin-top:6px;display:block}

/* 预览角标 */
.pv-ribbon{position:fixed;right:18px;bottom:18px;z-index:90;display:inline-flex;align-items:center;gap:7px;background:rgba(10,10,14,.85);border:1px solid var(--line-2);backdrop-filter:blur(12px);border-radius:999px;padding:7px 15px;font-size:11.5px;color:var(--muted);letter-spacing:.03em}
.pv-ribbon .dot-live{width:6px;height:6px;border-radius:50%;background:var(--ai)}

/* ═══ 响应式 ═══════════════════════════════════════════ */
@media(max-width:1080px){
  .feat-grid{grid-template-columns:repeat(2,1fr)}
  .show-row{gap:48px}
  .foot-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
  .foot-grid .f-col.contact{grid-column:1/-1}
}
@media(max-width:920px){
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .nav-in{gap:14px}
  .hero{padding:64px 0 24px}
  .win-body{grid-template-columns:1fr}
  .win-side{display:none}
  .win-main{min-height:0;padding:20px 18px 46px}
  .statband-in{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(2)::before{display:none}
  .stat:nth-child(n+3){border-top:1px solid var(--line)}
  .show-row{grid-template-columns:minmax(0,1fr);gap:34px;padding:40px 0}
  .show-row.flip .show-copy{order:0}.show-row.flip .show-mock{order:0}
  .sec{padding:84px 0}
  .plans{grid-template-columns:1fr;max-width:520px}
  .foot-grid{grid-template-columns:1fr 1fr}
  .dl-cards{grid-template-columns:1fr;max-width:560px}
  .req-list{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .about-stats{grid-template-columns:1fr}
  .demo-frame{height:460px}
  .cta{padding:84px 22px}
}
@media(max-width:560px){
  .wrap{padding:0 20px}
  .nav-in{padding:0 20px;height:58px}
  .hero h1{font-size:34px;letter-spacing:-.02em}
  .hero-sub{font-size:15px}
  .cta-row{flex-direction:column;align-items:stretch}
  .cta-row .btn{justify-content:center}
  .statband-in{grid-template-columns:1fr 1fr;padding:0 12px}
  .stat{padding:24px 6px}
  .feat-grid{grid-template-columns:1fr}
  .sec{padding:68px 0}
  .sec-head{margin-bottom:40px}
  .win-bar{height:40px}
  .msg{max-width:94%;font-size:13px}
  .plan.price{font-size:36px}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .promo-bar{width:auto;border-radius:16px;text-align:center;padding:11px 16px}
  .paycard{padding:26px 20px}
  .tl-item{padding-left:32px}
  .eco-chips{grid-template-columns:repeat(2,1fr)}
  .show-row>*{min-width:0}
}
@media(max-width:380px){
  .hero h1{font-size:30px}
  .btn{padding:13px 18px;font-size:13.5px}
}

/* 移动端菜单 */
.nav-mobile{display:none;position:fixed;inset:0;z-index:70;background:rgba(4,4,6,.97);backdrop-filter:blur(20px);padding:86px 30px 40px;flex-direction:column;gap:4px}
.nav-mobile.open{display:flex}
.nav-mobile a{font-size:19px;font-weight:600;color:var(--fg-2);padding:15px 6px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}
.nav-mobile a:hover{color:var(--fg)}
.nav-mobile a .arw{color:var(--dim);font-size:15px}
.nav-mobile .nm-close{position:absolute;top:16px;right:22px;width:40px;height:40px;border-radius:12px;border:1px solid var(--line-2);background:transparent;color:var(--fg);font-size:17px;cursor:pointer}
.nav-mobile .nm-cta{margin-top:22px;background:var(--fg);color:#0a0a0c;border-radius:12px;justify-content:center;border-bottom:0;font-size:16px}
html.menu-open{overflow:hidden}

/* ── 移动端吸底下载条 ── */
.mdl{display:none}
@media(max-width:920px){
  .mdl{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:65;align-items:center;gap:12px;padding:10px 14px calc(10px + env(safe-area-inset-bottom));background:rgba(7,7,10,.88);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-top:1px solid var(--line-2);transform:translateY(112%);transition:transform .4s var(--ease)}
  .mdl.show{transform:translateY(0)}
  .mdl-t{flex:1;min-width:0;line-height:1.35}
  .mdl-t b{display:block;font-size:13.5px}
  .mdl-t span{display:block;color:var(--dim);font-size:11.5px}
  .mdl .btn{flex:none;padding:10px 18px;font-size:13.5px}
  .pv-ribbon{bottom:88px}
  .feat-grid{grid-template-columns:1fr}
  .feat.wide{grid-column:auto;grid-template-columns:1fr;gap:16px}
}

/* ═══ vNext.2.1 ── 背景回归原版：WebGL 流光绸缎（fixed 全屏）+ 点击水墨 ═══ */
.bg-fx{position:fixed;inset:0;z-index:-1;pointer-events:none}
.bg-fx canvas{position:absolute;inset:0;width:100%;height:100%;display:block}
#ink-canvas{position:fixed;inset:0;width:100%;height:100%;z-index:200;pointer-events:none;display:block}

/* ═══ 入场动效（借鉴 DeepSeek Harness：模糊→清晰上浮 · 错峰展开） ═══ */
@media (prefers-reduced-motion: no-preference){
  .hero .hero-in>*:not([data-reveal]),.page-hero .wrap>*:not([data-reveal]){animation:heEnter .85s cubic-bezier(.22,1,.36,1) backwards}
  .hero .hero-in>*:nth-child(1),.page-hero .wrap>*:nth-child(1){animation-delay:.04s}
  .hero .hero-in>*:nth-child(2),.page-hero .wrap>*:nth-child(2){animation-delay:.13s}
  .hero .hero-in>*:nth-child(3),.page-hero .wrap>*:nth-child(3){animation-delay:.22s}
  .hero .hero-in>*:nth-child(4),.page-hero .wrap>*:nth-child(4){animation-delay:.3s}
  .hero .hero-in>*:nth-child(5),.page-hero .wrap>*:nth-child(5){animation-delay:.37s}
  .hero .hero-in>*:nth-child(6),.page-hero .wrap>*:nth-child(6){animation-delay:.44s}
  .hero .hero-in>*:nth-child(7),.page-hero .wrap>*:nth-child(7){animation-delay:.5s}
  .hero .hero-in>*:nth-child(8),.page-hero .wrap>*:nth-child(8){animation-delay:.56s}

  /* ═══ 卡内循环演示（借鉴 Harness：进行中的任务按序推进，永不静止） ═══ */
  .mk-head .mk-dot{animation:mkLive 2.4s ease-in-out infinite}
  .mk-plan .mk-row{position:relative}
  .mk-plan .mk-row i{animation:mkStep 9s ease-in-out infinite}
  .mk-plan .mk-row:nth-child(3) i{animation-delay:0s}
  .mk-plan .mk-row:nth-child(4) i{animation-delay:3s}
  .mk-plan .mk-row:nth-child(2) i{animation-delay:6s}
  .mk-plan .mk-row::after{content:'';position:absolute;inset:0;border-radius:10px;background:linear-gradient(90deg,transparent,rgba(151,136,255,.09),transparent);opacity:0;animation:mkGlide 9s ease-in-out infinite;pointer-events:none}
  .mk-plan .mk-row:nth-child(3)::after{animation-delay:0s}
  .mk-plan .mk-row:nth-child(4)::after{animation-delay:3s}
  .mk-plan .mk-row:nth-child(2)::after{animation-delay:6s}
  .mk-plug .mk-row:nth-child(3) .tg{animation:mkTg 9s ease infinite}
  .mk-plug .mk-row:nth-child(3) .tg::after{animation:mkTgKnob 9s ease infinite}
  .mk-ok .b1{animation:mkBtn 3.2s ease-in-out infinite}
}
@keyframes heEnter{from{opacity:0;transform:translateY(16px);filter:blur(10px)}to{opacity:1;transform:translateY(0);filter:blur(0)}}
@keyframes mkLive{0%,100%{box-shadow:0 0 10px var(--green)}50%{box-shadow:0 0 17px var(--green),0 0 5px var(--green)}}
@keyframes mkStep{0%,4%{border-color:rgba(151,136,255,.78);box-shadow:0 0 0 4px rgba(151,136,255,.15)}26%{border-color:rgba(151,136,255,.78);box-shadow:0 0 0 4px rgba(151,136,255,.15)}34%,100%{border-color:var(--line-3);box-shadow:none}}
@keyframes mkGlide{0%{opacity:0;transform:translateX(-14%)}10%,24%{opacity:1}34%{opacity:0;transform:translateX(14%)}100%{opacity:0}}
@keyframes mkTg{0%,14%{background:rgba(255,255,255,.08);border-color:var(--line-2)}40%,72%{background:rgba(62,207,142,.16);border-color:rgba(62,207,142,.45)}100%{background:rgba(255,255,255,.08);border-color:var(--line-2)}}
@keyframes mkTgKnob{0%,14%{left:2px;background:var(--dim)}40%,72%{left:13px;background:var(--green)}100%{left:2px;background:var(--dim)}}
@keyframes mkBtn{0%,100%{box-shadow:0 0 0 0 rgba(151,136,255,.28)}50%{box-shadow:0 0 0 6px rgba(151,136,255,0)}}