/* 语声集落地页 styles.css —— 由 src/promo.css + src/ecom.css 移植改写。
   改动：固定渲染尺寸改为流式响应；合并两套窗口缩放档为一套+小屏覆写；
   删掉截图管线专用规则（固定节高、白底主图、win--sm）；新增页面框架
   （顶栏、hero 排版、CTA、FAQ、页脚）与无障碍规则。无依赖，无外链。 */
:root{
  --bg:#0A0A0B; --panel:#141416; --elev:#2A2A33;
  --border:#26262A; --line:#3A3A40;
  --accent:#5E6AD2; --accent-hi:#6D79E0; --accent-dp:#4C58C4;
  --text:#EDEDEF; --muted:#8A8A93;
  --ok:#34D399; --warn:#E6B34D; --danger:#F87171;
  --wave-on:#5E6AD2; --wave-off:#4A4A55;
  --sans:"Microsoft YaHei","微软雅黑","PingFang SC","Noto Sans SC",-apple-system,"Segoe UI",sans-serif;
  --mono:"Cascadia Mono",Consolas,"SF Mono",ui-monospace,monospace;
  --radius:14px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);
  font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased}
/* 背景：网格 + 两团辉光，跟随视口固定，一处绘制 */
body::before{content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),
  linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:64px 64px}
body::after{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:
   radial-gradient(620px 620px at 8% -4%,rgba(94,106,210,.20),transparent 68%),
   radial-gradient(560px 560px at 96% 30%,rgba(94,106,210,.12),transparent 66%)}
h1,h2,h3{margin:0;line-height:1.35;text-wrap:balance;font-weight:800;letter-spacing:.02em}
h1{font-size:clamp(2.5rem,1.6rem + 6vw,4.4rem)}
h1 .hl{color:var(--accent-hi)}
h1 .punct{color:var(--muted)}
h2.sec-t{font-size:clamp(1.4rem,1.15rem + 1.6vw,1.9rem)}
p{margin:0}
a{color:var(--accent-hi)}
:focus{outline:none}
:focus-visible{outline:3px solid var(--accent-hi);outline-offset:3px;border-radius:6px}
.skip{position:absolute;left:-999px;top:0;z-index:99;background:var(--accent);color:#fff;padding:.6em 1.1em;border-radius:0 0 10px 0}
.skip:focus{left:0;color:#fff}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
.ic{flex:0 0 auto;display:inline-flex}
/* ---------- 顶栏 ---------- */
.top{position:sticky;top:0;z-index:50;background:rgba(10,10,11,.86);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}
.top-in{display:flex;align-items:center;gap:14px;min-height:58px}
.brand-mini{display:flex;align-items:center;gap:10px;color:var(--text);text-decoration:none;font-weight:700}
.logo{width:32px;height:32px;border-radius:9px;background:var(--accent);display:flex;align-items:center;justify-content:center;box-shadow:0 4px 16px rgba(94,106,210,.45)}
.top nav{display:flex;gap:2px;margin-left:auto}
.top nav a{color:var(--muted);text-decoration:none;font-size:.86rem;padding:.5em .7em;border-radius:8px;white-space:nowrap}
.top nav a:hover{color:var(--text);background:rgba(255,255,255,.05)}
.btn{display:inline-flex;align-items:center;gap:8px;border-radius:10px;padding:.65em 1.4em;
  font-weight:700;font-size:.95rem;text-decoration:none;border:1px solid transparent;cursor:pointer;font-family:var(--sans)}
.btn-pri{background:var(--accent);color:#fff;box-shadow:0 6px 22px rgba(94,106,210,.45)}
.btn-pri:hover{background:var(--accent-hi);color:#fff}
.btn-ghost{border-color:var(--line);color:var(--text)}
.btn-ghost:hover{border-color:var(--accent);color:#fff;text-decoration:none}
/* ---------- hero ---------- */
.hero{padding:52px 0 40px}
.hero-grid{display:grid;gap:36px}
.eyebrow{display:flex;align-items:center;gap:10px}
.eyebrow .nm{font-size:1.3rem;font-weight:700;letter-spacing:.06em}
.eyebrow .tagline{color:var(--muted);font-size:.82rem;letter-spacing:.18em}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--ok);margin-right:7px}
.hero .sub{margin-top:20px;font-size:1.02rem;line-height:1.9;color:#B9B9C2;max-width:34em}
.hero .sub b{color:var(--text)}
.pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.pill{display:inline-flex;align-items:center;gap:9px;border-radius:999px;padding:.6em 1.1em;font-size:.86rem;
  background:rgba(255,255,255,.045);border:1px solid var(--border);color:#CFCFD6}
.pill .dot{width:7px;height:7px;border-radius:2px;background:var(--accent)}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.platforms{margin-top:26px;font-size:.8rem;color:var(--muted);letter-spacing:.12em}
/* ---------- 应用窗口（CSS 绘制，移植自 promo.css） ---------- */
.win-wrap{position:relative;min-width:0}
.win{border-radius:16px;overflow:hidden;background:var(--panel);border:1px solid var(--border);
  box-shadow:0 30px 80px rgba(0,0,0,.6),0 0 80px rgba(94,106,210,.18)}
.tbar{display:flex;align-items:center;gap:10px;min-height:52px;padding:6px 14px;background:#101012;border-bottom:1px solid var(--border)}
.dot3{display:flex;gap:6px}
.dot3 i{width:10px;height:10px;border-radius:50%;background:#3A3A40}
.pname{font-weight:600;font-size:.85rem;white-space:nowrap}
.mini-eq{display:flex;align-items:center;gap:2px}
.mini-eq i{width:2.5px;border-radius:2px;background:var(--accent)}
.rec{display:flex;align-items:center;gap:6px;color:var(--danger);font-size:.76rem;white-space:nowrap;font-variant-numeric:tabular-nums}
.rec .blink{width:7px;height:7px;border-radius:50%;background:var(--danger)}
.grow{flex:1}
.fake-btn{border-radius:8px;background:var(--accent);color:#fff;font-weight:600;font-size:.8rem;
  padding:.5em 1em;display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.ibtn{width:30px;height:30px;border-radius:8px;background:rgba(255,255,255,.05);color:var(--muted);
  display:inline-flex;align-items:center;justify-content:center}
.pbar{display:flex;align-items:center;gap:10px;padding:8px 14px;border-bottom:1px solid var(--border);background:#17171A;flex-wrap:wrap}
.pbtn{border-radius:50%;display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;flex:0 0 auto}
.pbtn.main{background:var(--accent);color:#fff}
.pbtn.ghost{color:var(--muted);background:rgba(255,255,255,.05);width:26px;height:26px}
.track{flex:1 1 120px;height:6px;border-radius:3px;background:#2E2E36;position:relative;min-width:100px}
.track .fill{position:absolute;left:0;top:0;bottom:0;width:38%;border-radius:3px;background:linear-gradient(90deg,var(--accent-dp),var(--accent-hi))}
.track .head{position:absolute;top:50%;left:38%;width:12px;height:12px;border-radius:50%;background:#fff;transform:translate(-50%,-50%);box-shadow:0 0 0 3px rgba(94,106,210,.38)}
.tcode{color:var(--muted);font-size:.76rem;white-space:nowrap;font-variant-numeric:tabular-nums}
.gainbox{display:flex;align-items:center;gap:8px;font-size:.74rem}
.gainbox .lbl{color:var(--muted);white-space:nowrap}
.slider{width:84px;height:5px;border-radius:3px;background:#2E2E36;position:relative;flex:0 0 auto}
.slider .f{position:absolute;top:0;bottom:0;left:20%;width:52%;border-radius:3px;background:var(--accent)}
.slider .h{position:absolute;top:50%;left:72%;width:11px;height:11px;border-radius:50%;background:#fff;transform:translate(-50%,-50%)}
.gval{color:var(--accent-hi);white-space:nowrap;font-variant-numeric:tabular-nums}
.tracks{background:var(--bg);display:flex;flex-direction:column;gap:10px;padding:12px 14px}
.seg{display:flex;align-items:center;gap:10px;border-radius:10px;padding:12px;background:#131315;border:1px solid #202024;min-width:0}
.seg.sel{border-color:rgba(94,106,210,.78);background:#15151C;box-shadow:0 0 0 1px rgba(94,106,210,.3)}
.idx{width:24px;height:24px;border-radius:7px;background:#22222A;color:var(--muted);display:inline-flex;align-items:center;justify-content:center;font-size:.72rem;flex:0 0 auto}
.seg.sel .idx{background:var(--accent);color:#fff}
.meta{color:var(--muted);font-size:.72rem;white-space:nowrap;font-variant-numeric:tabular-nums;flex:0 0 auto}
.txt{flex:1 1 auto;min-width:0;color:#DEDEE4;font-size:.86rem;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.txt .ph{color:#5C5C66}
.badge{border-radius:5px;font-size:.68rem;padding:.3em .7em;letter-spacing:.05em;white-space:nowrap;flex:0 0 auto}
.badge.ok{background:rgba(52,211,153,.13);color:var(--ok)}
.badge.wait{background:rgba(230,179,77,.13);color:var(--warn)}
.mwave{display:flex;align-items:center;gap:1.6px;height:20px;flex:0 0 auto}
.mwave i{width:2px;border-radius:1px;background:var(--wave-off)}
.mwave i.on{background:var(--wave-on)}
.grip{color:#4E4E58;display:inline-flex;flex:0 0 auto}
.detail{border-top:1px solid var(--border);background:#17171A;display:flex;gap:12px;padding:12px 14px;align-items:flex-start;flex-wrap:wrap}
.detail .box{flex:1 1 220px;background:#101012;border:1px solid var(--border);color:#E4E4EA;border-radius:9px;padding:.7em .9em;font-size:.86rem}
.detail .side{display:flex;flex-direction:column;gap:8px;flex:0 1 auto}
.detail .side .row{display:flex;align-items:center;gap:8px;font-size:.74rem}
.detail .side .k{color:var(--muted);white-space:nowrap}
.chip{color:#CFCFD6;background:rgba(255,255,255,.06);border-radius:6px;padding:.35em .8em;font-size:.74rem;white-space:nowrap}
.sbar{display:flex;align-items:center;gap:14px;background:#101012;border-top:1px solid var(--border);color:var(--muted);font-size:.76rem;padding:.6em 14px;font-variant-numeric:tabular-nums;flex-wrap:wrap}
.sbar .ok{color:var(--ok);display:inline-flex;align-items:center;gap:6px}
.sbar .ok i{width:6px;height:6px;border-radius:50%;background:var(--ok)}
.sbar .sp{margin-left:auto;display:flex;gap:8px}
.sbar .sbtn{border-radius:5px;background:rgba(255,255,255,.05);padding:.2em .7em}
.toast{display:flex;align-items:center;gap:12px;width:fit-content;max-width:100%;margin:-22px 14px 0 auto;position:relative;
  border-radius:13px;background:#1A1A20;border:1px solid rgba(94,106,210,.42);padding:.85em 1.2em;
  box-shadow:0 18px 44px rgba(0,0,0,.65),0 0 30px rgba(94,106,210,.22)}
.toast .tick{width:38px;height:38px;border-radius:50%;background:rgba(52,211,153,.15);color:var(--ok);display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto}
.toast .tt{font-weight:700}
.toast .ts{color:var(--muted);font-size:.78rem;font-variant-numeric:tabular-nums}
/* ---------- 通用节 ---------- */
.sec{padding:44px 0}
.sec-t .kicker{display:block;font-size:.8rem;letter-spacing:.2em;color:var(--accent-hi);margin-bottom:10px;font-weight:600}
.lead{font-size:clamp(1.15rem,1rem + 1.4vw,1.5rem);font-weight:700;line-height:1.6}
.lead em{font-style:normal;color:var(--accent-hi)}
.stats{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:24px}
.stat{border-radius:12px;padding:16px;background:rgba(255,255,255,.038);border:1px solid var(--border)}
.stat .n{font-size:1.4rem;font-weight:800;color:var(--accent-hi)}
.stat .t{margin-top:4px;font-size:.76rem;color:var(--muted);letter-spacing:.06em}
/* ---------- 功能 ---------- */
.feat{padding:30px 0;border-top:1px solid var(--border)}
.feat:first-of-type{border-top:0}
.feat-h{display:flex;align-items:center;gap:12px}
.feat-h .num{width:34px;height:34px;border-radius:10px;background:rgba(94,106,210,.16);border:1px solid rgba(94,106,210,.34);
  color:var(--accent-hi);font-weight:800;display:inline-flex;align-items:center;justify-content:center;font-variant-numeric:tabular-nums}
.feat-h h3{font-size:clamp(1.1rem,1rem + 1vw,1.4rem)}
.feat .desc{margin-top:12px;color:#A6A6B1;line-height:1.85;max-width:60em}
.feat .desc b,.feat .desc strong{color:#DCDCDF}
.frag{border-radius:13px;background:#131315;border:1px solid #232329;padding:14px 16px;margin-top:18px;
  display:flex;align-items:center;gap:12px;box-shadow:0 14px 34px rgba(0,0,0,.42);flex-wrap:wrap}
.frag--col{flex-direction:column;align-items:stretch;gap:10px}
.frag .cap{font-size:.8rem;color:#6E6E78;display:flex;align-items:center;gap:9px;flex-wrap:wrap}
.tag{border-radius:6px;font-size:.72rem;letter-spacing:.06em;padding:.3em .8em;white-space:nowrap}
.tag--ok{background:rgba(52,211,153,.13);color:var(--ok)}
.tag--lock{background:rgba(94,106,210,.16);color:var(--accent-hi)}
.kbd{border-radius:8px;background:#22222A;border:1px solid #33333C;border-bottom-width:2px;color:#D6D6DC;
  font-family:var(--mono);font-size:.85rem;padding:.5em 1.2em;letter-spacing:.04em;white-space:nowrap}
.fwave{flex:1 1 140px;display:flex;align-items:center;justify-content:center;gap:3px;height:52px;min-width:120px}
.fwave i{width:3px;border-radius:2px;background:var(--accent)}
.fwave i.dim{background:var(--wave-off)}
.tm{color:var(--danger);font-family:var(--mono);font-size:.85rem;display:inline-flex;align-items:center;gap:7px;font-variant-numeric:tabular-nums}
.tm .blink{width:8px;height:8px;border-radius:50%;background:var(--danger)}
.g3{display:flex;flex-direction:column;gap:9px}
.g3 .r{display:flex;align-items:center;gap:11px;border-radius:9px;padding:.65em .8em;background:#17171A;border:1px solid #232329}
.g3 .r .nm{flex:0 0 auto;width:4.5em;font-size:.8rem;color:#C9C9D1}
.g3 .r .sl{flex:1 1 auto;height:5px;border-radius:3px;background:#2E2E36;position:relative;min-width:60px}
.g3 .r .sl .f{position:absolute;top:0;bottom:0;border-radius:3px;background:var(--accent)}
.g3 .r .sl .h{position:absolute;top:50%;width:10px;height:10px;border-radius:50%;background:#fff;transform:translate(-50%,-50%)}
.g3 .r .vv{flex:0 0 auto;width:4.5em;text-align:right;font-family:var(--mono);font-size:.76rem;color:var(--accent-hi)}
.g3 .r.hl{border-color:rgba(94,106,210,.5);background:#17171F}
.fmt{display:grid;gap:10px;grid-template-columns:1fr}
.fmt .o{border-radius:10px;padding:13px 14px;background:#17171A;border:1px solid #232329}
.fmt .o.on{border-color:rgba(94,106,210,.62);background:#17171F}
.fmt .o .t1{font-weight:700}
.fmt .o .t2{margin-top:4px;font-size:.8rem;color:#8E8E98;line-height:1.7}
.fmt .o .t3{margin-top:8px;font-size:.74rem;color:var(--accent-hi);letter-spacing:.06em}
.langs{display:grid;gap:10px;grid-template-columns:1fr 1fr}
.langs .l{display:flex;align-items:center;gap:10px;border-radius:10px;padding:.7em .9em;background:#17171A;border:1px solid #232329;min-width:0}
.langs .l .cc{flex:0 0 auto;width:30px;height:30px;border-radius:8px;background:rgba(94,106,210,.14);color:var(--accent-hi);
  display:inline-flex;align-items:center;justify-content:center;font-size:.72rem;font-weight:700}
.langs .l .n{font-size:.86rem;font-weight:600}
.langs .l .d{font-size:.72rem;color:#8E8E98;margin-top:2px}
/* ---------- 一览 / 激活 / 环境 ---------- */
.ovw{border-radius:13px;overflow:hidden;border:1px solid var(--border);background:#121214;margin-top:22px}
.ovw .row{display:flex;align-items:center;gap:12px;padding:.85em 1.1em;border-top:1px solid var(--border);flex-wrap:wrap}
.ovw .row:first-child{border-top:0}
.ovw .k{color:var(--accent-hi);display:inline-flex;flex:0 0 auto}
.ovw .n{flex:1 1 8em;font-weight:600;min-width:7em}
.ovw .v{flex:4 1 16em;color:#9B9BA5;font-size:.86rem;line-height:1.7}
.lic{display:flex;flex-direction:column;gap:11px;margin-top:22px}
.lic .item{display:flex;gap:13px;align-items:flex-start;border-radius:12px;padding:1em 1.1em;background:rgba(255,255,255,.032);border:1px solid var(--border)}
.lic .step{flex:0 0 auto;width:32px;height:32px;border-radius:9px;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(94,106,210,.15);color:var(--accent-hi);font-weight:800}
.lic .tt{font-weight:600}
.lic .ds{margin-top:4px;font-size:.87rem;color:#9B9BA5;line-height:1.75}
.lic .ds b{color:#D2D2D8}
.env{border-radius:13px;border:1px solid var(--border);overflow:hidden;background:#121214;margin-top:22px}
.env .row{display:flex;gap:14px;padding:.8em 1.1em;border-top:1px solid var(--border);flex-wrap:wrap}
.env .row:first-child{border-top:0}
.env .k{flex:0 0 5.5em;color:var(--muted);font-size:.87rem}
.env .v{flex:1 1 16em;color:#C6C6CD;font-size:.87rem}
/* ---------- CTA 横幅图 ---------- */
.band{margin:8px 0 0;border-radius:var(--radius);overflow:hidden;border:1px solid var(--border)}
.band img{width:100%;height:auto;display:block}
/* ---------- CTA / FAQ / 页脚 ---------- */
.cta{background:linear-gradient(180deg,rgba(94,106,210,.09),transparent);border-top:1px solid var(--border);border-bottom:1px solid var(--border);text-align:center;padding:52px 0}
.cta p{color:#A6A6B1;margin:14px auto 0;max-width:36em}
.cta .cta-row{justify-content:center}
.faq{margin-top:8px}
.faq details{border:1px solid var(--border);border-radius:12px;background:#121214;margin-top:10px;overflow:hidden}
.faq summary{cursor:pointer;padding:.9em 1.1em;font-weight:600;list-style:none;display:flex;gap:10px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"+";color:var(--accent-hi);font-weight:800;font-size:1.1em}
.faq details[open] summary::before{content:"–"}
.faq details p{padding:0 1.1em 1em 2.4em;color:#9B9BA5;font-size:.9rem}
footer{padding:34px 0 44px;color:var(--muted);font-size:.82rem}
.foot-brand{display:flex;align-items:center;gap:12px}
.foot-brand .nm{font-size:1.05rem;font-weight:700;letter-spacing:.06em;color:var(--text)}
.foot-brand .tg{font-size:.72rem;letter-spacing:.16em}
.legal{margin-top:18px;line-height:1.9;border-top:1px solid var(--border);padding-top:18px}
.foot-links{margin-top:14px;display:flex;gap:18px;flex-wrap:wrap}
.foot-links a{color:var(--muted);text-decoration:none}
.foot-links a:hover{color:var(--text)}
@media (min-width:700px){
  .stats{grid-template-columns:repeat(4,1fr)}
  .fmt{grid-template-columns:1fr 1fr}
}
@media (min-width:1024px){
  .hero{padding:72px 0 56px}
  .hero-grid{grid-template-columns:minmax(0,5fr) minmax(0,7fr);align-items:center;gap:44px}
  .sec{padding:60px 0}
}
@media (max-width:560px){
  .top nav a:not(:last-child){display:none}
  .mwave{display:none}
  .meta{font-size:.68rem}
  .ibtn.hide-sm{display:none}
  .langs{grid-template-columns:1fr}
  .toast{margin:-18px 10px 0 auto;padding:.7em 1em}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition:none!important;animation:none!important}
}