/* 产品官网模板样式（NTFS2exFAT 起，矩阵里其它产品共用）。强调色由页面里的 --accent / --accent-d 提供。 */
:root{
  --ink:#0f1424; --muted:#5a6479; --line:#e5e8f0; --alt:#f5f6fa; --bg:#ffffff;
  --navy:#0b1020; --navy2:#141b36; --good:#1f9d55; --bad:#d64545;
  --r:18px; --shadow:0 1px 2px rgba(15,20,36,.05),0 8px 24px rgba(15,20,36,.06);
  --font:-apple-system,BlinkMacSystemFont,"SF Pro Display","Segoe UI",Roboto,"Helvetica Neue","PingFang SC","Hiragino Sans","Noto Sans","Noto Sans CJK SC",Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.6;font-size:17px;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto}
a{color:inherit}
code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.92em;background:rgba(15,20,36,.06);padding:.1em .38em;border-radius:6px}
.ps-wrap{max-width:1120px;margin:0 auto;padding:0 20px}
.ps-sr{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.ps-skip{position:absolute;left:-999px;top:0;background:#fff;color:#000;padding:10px 14px;z-index:100;border-radius:0 0 8px 0}
.ps-skip:focus{left:0}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:6px}

/* 导航 */
.ps-nav{position:sticky;top:0;z-index:50;background:rgba(11,16,32,.82);backdrop-filter:saturate(1.4) blur(14px);-webkit-backdrop-filter:saturate(1.4) blur(14px);border-bottom:1px solid rgba(255,255,255,.08)}
.ps-nav-in{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px}
.ps-brand{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-weight:700;letter-spacing:-.01em;font-size:18px}
.ps-brand img{border-radius:8px;display:block}
.ps-links{display:flex;align-items:center;gap:6px}
.ps-links a{color:rgba(255,255,255,.78);text-decoration:none;padding:8px 12px;border-radius:10px;font-size:15px;white-space:nowrap}
.ps-links a:hover,.ps-links a[aria-current="page"]{color:#fff;background:rgba(255,255,255,.08)}
.ps-links a.ps-btn{color:#1b1200;margin-left:6px}
.ps-links a.ps-btn:hover{background:linear-gradient(180deg,#ffb74d,var(--accent));color:#1b1200}
.ps-menu{display:none;background:none;border:1px solid rgba(255,255,255,.25);color:#fff;border-radius:10px;font-size:20px;line-height:1;padding:8px 12px;cursor:pointer}

/* 按钮 */
.ps-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:14px;padding:12px 22px;font-weight:650;font-size:16px;text-decoration:none;border:1px solid transparent;cursor:pointer;transition:transform .15s ease,box-shadow .2s ease,background .2s ease}
.ps-btn:hover{transform:translateY(-1px)}
.ps-btn-primary{background:linear-gradient(180deg,#ffb23e,var(--accent));color:#1b1200;box-shadow:0 6px 20px rgba(255,149,0,.35),inset 0 1px 0 rgba(255,255,255,.35)}
.ps-btn-primary:hover{box-shadow:0 10px 28px rgba(255,149,0,.5),inset 0 1px 0 rgba(255,255,255,.35)}
.ps-btn-ghost{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.28);color:#fff}
.ps-btn-ghost:hover{background:rgba(255,255,255,.12)}
.ps-btn-light{background:#fff;border-color:var(--line);color:var(--ink)}
.ps-btn-light:hover{box-shadow:var(--shadow)}
.ps-btn-lg{padding:15px 28px;font-size:17px;border-radius:16px}
.ps-btn-sm{padding:8px 14px;font-size:14px;border-radius:12px}

/* 首屏 */
.ps-hero{position:relative;background:radial-gradient(1200px 600px at 85% -10%,rgba(255,149,0,.22),transparent 60%),radial-gradient(900px 500px at -10% 30%,rgba(76,110,245,.18),transparent 60%),linear-gradient(180deg,var(--navy),var(--navy2));color:#fff;overflow:hidden}
.ps-hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:56px 56px;mask-image:radial-gradient(ellipse at 50% 30%,#000 30%,transparent 75%);-webkit-mask-image:radial-gradient(ellipse at 50% 30%,#000 30%,transparent 75%)}
.ps-hero-grid{position:relative;display:grid;grid-template-columns:1fr;gap:44px;padding-top:64px;padding-bottom:72px;align-items:center}
.ps-eyebrow{display:inline-block;margin:0 0 18px;padding:6px 14px;border-radius:999px;background:rgba(255,149,0,.14);border:1px solid rgba(255,149,0,.4);color:#ffcf8a;font-size:14px;font-weight:600;letter-spacing:.01em}
.ps-hero h1{margin:0 0 18px;font-size:clamp(34px,5.2vw,60px);line-height:1.06;letter-spacing:-.03em;font-weight:800}
.ps-sub{margin:0 0 28px;font-size:clamp(17px,1.7vw,20px);color:rgba(255,255,255,.78);max-width:36em}
.ps-cta{display:flex;flex-wrap:wrap;gap:12px}
.ps-badges{list-style:none;display:flex;flex-wrap:wrap;gap:8px 10px;padding:0;margin:26px 0 0}
.ps-badges li{font-size:13.5px;color:rgba(255,255,255,.8);padding:6px 12px 6px 28px;border-radius:999px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);position:relative}
.ps-badges li:before{content:"";position:absolute;left:11px;top:50%;width:6px;height:10px;border:solid var(--accent);border-width:0 2px 2px 0;transform:translateY(-62%) rotate(45deg)}

/* 动画舞台 */
.ps-stage{position:relative;border-radius:26px;background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.03));border:1px solid rgba(255,255,255,.14);box-shadow:0 30px 80px rgba(0,0,0,.45),inset 0 1px 0 rgba(255,255,255,.1);padding:14px 14px 12px}
.ps-stage-svg{border-radius:18px;overflow:hidden;background:rgba(5,8,20,.55);aspect-ratio:1000/520}
.ps-stage-svg svg{display:block;width:100%;height:100%}
.ps-caption{margin:12px 6px 6px;min-height:3.2em;font-size:16px;color:#fff;font-weight:600;line-height:1.4;transition:opacity .25s}
.ps-stage-bar{display:flex;align-items:center;gap:12px;padding:0 4px 4px}
.ps-play{width:38px;height:38px;border-radius:50%;border:1px solid rgba(255,255,255,.25);background:rgba(255,255,255,.08);color:#fff;cursor:pointer;display:grid;place-items:center;flex:none}
.ps-play:hover{background:rgba(255,255,255,.16)}
.ps-ic-pause{width:12px;height:14px;border-left:4px solid #fff;border-right:4px solid #fff}
.ps-play.is-paused .ps-ic-pause{width:0;height:0;border:0;border-left:12px solid #fff;border-top:8px solid transparent;border-bottom:8px solid transparent;margin-left:3px}
.ps-dots{display:flex;gap:8px;list-style:none;margin:0;padding:0;flex:1}
.ps-dots li{flex:1}
.ps-dots button{display:block;width:100%;height:8px;border-radius:99px;border:0;background:rgba(255,255,255,.18);cursor:pointer;padding:0;position:relative;overflow:hidden}
.ps-dots button:after{content:"";position:absolute;inset:0;background:var(--accent);transform:scaleX(var(--p,0));transform-origin:left}
.ps-dots li.on button{background:rgba(255,255,255,.3)}
.ps-dots button:hover{background:rgba(255,255,255,.34)}

/* 答案条（GEO：一句话讲清是什么） */
.ps-answer{background:linear-gradient(90deg,rgba(255,149,0,.1),rgba(255,149,0,.02));border-bottom:1px solid var(--line)}
.ps-answer p{margin:0;padding:26px 0;font-size:clamp(18px,2vw,22px);line-height:1.5;max-width:60em;border-left:4px solid var(--accent);padding-left:20px}

/* 事实条 */
.ps-facts-sec{padding:36px 0 8px}
.ps-facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:14px;margin:0}
.ps-facts>div{padding:16px 18px;border:1px solid var(--line);border-radius:14px;background:#fff}
.ps-facts dt{font-size:12.5px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-bottom:4px}
.ps-facts dd{margin:0;font-weight:650;line-height:1.35}

/* 通用分区 */
.ps-sec{padding:92px 0}
.ps-alt{background:var(--alt)}
.ps-head{max-width:46em;margin:0 0 40px}
.ps-head h2,.ps-sec h2{margin:0 0 12px;font-size:clamp(26px,3.4vw,40px);line-height:1.15;letter-spacing:-.025em;font-weight:800}
.ps-lead{font-size:clamp(17px,1.6vw,20px);color:var(--muted);margin:0 0 8px}
.ps-more{margin:28px 0 0}
.ps-more a{font-weight:650;color:var(--accent-d);text-decoration:none}
.ps-more a:hover{text-decoration:underline}
.ps-fine{font-size:14px;color:var(--muted);margin:10px 0 0}

.ps-steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(3,1fr);gap:20px;counter-reset:s}
.ps-steps li{position:relative;padding:28px;background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow)}
.ps-num{display:grid;place-items:center;width:40px;height:40px;border-radius:50%;background:linear-gradient(180deg,#ffb23e,var(--accent));color:#1b1200;font-weight:800;margin-bottom:14px}
.ps-steps h3,.ps-card h3,.ps-phase h3{margin:0 0 8px;font-size:20px;letter-spacing:-.01em}
.ps-steps p,.ps-card p,.ps-phase p{margin:0;color:var(--muted)}

.ps-vs{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:30px}
.ps-vs>div{padding:28px;border-radius:var(--r);border:1px solid var(--line);background:#fff;position:relative}
.ps-vs-bad{background:linear-gradient(180deg,#fff,#fff6f6)!important;border-color:#f3d3d3!important}
.ps-vs-good{background:linear-gradient(180deg,#fff,#f2fbf5)!important;border-color:#c9ebd5!important}
.ps-x,.ps-ok{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;color:#fff;font-weight:800;margin-bottom:12px}
.ps-x{background:var(--bad)}.ps-ok{background:var(--good)}
.ps-vs h3{margin:0 0 6px;font-size:20px}.ps-vs p{margin:0;color:var(--muted)}

.ps-grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.ps-grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.ps-card{padding:28px;background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease}
.ps-card:hover{transform:translateY(-3px);box-shadow:0 2px 4px rgba(15,20,36,.06),0 16px 40px rgba(15,20,36,.1)}
.ps-ico{display:grid;place-items:center;width:36px;height:36px;border-radius:11px;background:rgba(255,149,0,.14);color:var(--accent-d);font-weight:800;margin-bottom:14px}
.ps-card .ps-btn{margin-top:16px}

/* 截图 */
.ps-shots{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.ps-shot{margin:0}
.ps-shot-frame{border-radius:16px;overflow:hidden;box-shadow:0 2px 6px rgba(15,20,36,.08),0 24px 60px rgba(15,20,36,.18);background:#fff;border:1px solid rgba(15,20,36,.08)}
.ps-shot img{display:block;width:100%;height:auto}
.ps-shot figcaption{margin-top:14px;color:var(--muted);font-size:15.5px}

/* 交互：选择助手 */
.ps-helper{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:28px;box-shadow:var(--shadow)}
.ps-q{font-weight:700;font-size:19px;margin:0 0 14px}
.ps-opts{display:flex;flex-wrap:wrap;gap:10px}
.ps-opts button{font:inherit;font-size:15.5px;padding:11px 18px;border-radius:999px;border:1px solid var(--line);background:#fff;cursor:pointer;transition:all .15s ease}
.ps-opts button:hover{border-color:var(--accent);background:rgba(255,149,0,.07)}
.ps-opts button[aria-pressed="true"]{background:var(--ink);color:#fff;border-color:var(--ink)}
.ps-res{margin-top:22px;padding:22px;border-radius:14px;background:var(--alt);border-left:4px solid var(--accent)}
.ps-res h3{margin:0 0 6px;font-size:21px}.ps-res p{margin:0 0 14px;color:var(--muted)}
.ps-res[data-tone="no"]{border-left-color:var(--bad);background:#fff6f6}
.ps-res[data-tone="ok"]{border-left-color:var(--good);background:#f2fbf5}

/* 交互：计算器 */
.ps-calc{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:28px;box-shadow:var(--shadow);display:grid;gap:22px}
.ps-field{display:grid;gap:8px}
.ps-field>span{font-weight:650}
.ps-range{display:flex;align-items:center;gap:16px}
.ps-range input[type=range]{flex:1;accent-color:var(--accent);height:28px}
.ps-range output{display:flex;align-items:center;gap:6px;font-weight:700;white-space:nowrap}
.ps-range input[type=number],.ps-field select{font:inherit;padding:9px 12px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--ink)}
.ps-range input[type=number]{width:96px;text-align:right}
.ps-calc-out{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.ps-calc-out>div{padding:18px;border-radius:14px;background:var(--alt)}
.ps-calc-out span{display:block;font-size:14px;color:var(--muted);margin-bottom:4px}
.ps-calc-out strong{font-size:clamp(24px,3vw,32px);letter-spacing:-.02em}

/* 对比表 */
.ps-tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);background:#fff;box-shadow:var(--shadow)}
.ps-table{width:100%;border-collapse:collapse;min-width:640px}
.ps-table th,.ps-table td{padding:15px 18px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top;font-size:16px}
.ps-table thead th{background:var(--alt);font-size:14px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}
.ps-table tbody th{font-weight:650;width:34%}
.ps-table td:last-child{background:rgba(255,149,0,.07);font-weight:600}
.ps-table thead th:last-child{background:rgba(255,149,0,.16);color:var(--accent-d)}
.ps-table tr:last-child>*{border-bottom:0}

/* 限制 */
.ps-limits{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.ps-limits li{padding:16px 18px 16px 52px;border-radius:14px;border:1px solid var(--line);background:#fff;position:relative}
.ps-limits li:before{content:"!";position:absolute;left:16px;top:16px;width:24px;height:24px;border-radius:50%;background:rgba(255,149,0,.16);color:var(--accent-d);font-weight:800;display:grid;place-items:center;font-size:14px}

/* FAQ */
.ps-faq{display:grid;gap:12px;max-width:52em}
.ps-faq details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:0 20px;transition:box-shadow .2s}
.ps-faq details[open]{box-shadow:var(--shadow)}
.ps-faq summary{cursor:pointer;padding:18px 28px 18px 0;font-weight:650;list-style:none;position:relative;line-height:1.4}
.ps-faq summary::-webkit-details-marker{display:none}
.ps-faq summary:after{content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);font-size:24px;color:var(--accent-d);transition:transform .2s}
.ps-faq details[open] summary:after{content:"–"}
.ps-ans{padding:0 0 18px;color:var(--muted)}.ps-ans p{margin:0}

/* 开源条 */
.ps-oss{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;padding:34px 36px;border-radius:24px;background:linear-gradient(135deg,var(--navy),var(--navy2));color:#fff;box-shadow:0 20px 60px rgba(11,16,32,.35)}
.ps-oss h2{color:#fff;margin:0 0 8px;font-size:clamp(22px,2.6vw,30px)}.ps-oss p{margin:0;color:rgba(255,255,255,.75);max-width:36em}

/* 终极 CTA */
.ps-final{background:radial-gradient(900px 400px at 50% 120%,rgba(255,149,0,.3),transparent 70%),linear-gradient(180deg,var(--navy2),var(--navy));color:#fff;text-align:center;padding:96px 0}
.ps-final h2{margin:0 0 12px;font-size:clamp(28px,4vw,46px);letter-spacing:-.03em;font-weight:800}
.ps-final p{color:rgba(255,255,255,.75);max-width:34em;margin:0 auto 26px}
.ps-final .ps-cta{justify-content:center}
.ps-final .ps-fine{color:rgba(255,255,255,.6);margin:16px auto 0;text-align:center}.ps-final .ps-fine a{color:#ffcf8a}

/* 内页 */
.ps-pagehead{background:linear-gradient(180deg,var(--navy),var(--navy2));color:#fff;padding:56px 0 52px}
.ps-pagehead h1{margin:8px 0 12px;font-size:clamp(30px,4.4vw,48px);letter-spacing:-.03em;line-height:1.1}
.ps-pagehead .ps-lead{color:rgba(255,255,255,.78);max-width:46em}
.ps-crumbs{font-size:14px;color:rgba(255,255,255,.6)}.ps-crumbs a{text-decoration:none}.ps-crumbs a:hover{text-decoration:underline}
.ps-phases{display:grid;gap:18px}
.ps-phase{padding:28px;background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);border-left:5px solid var(--accent)}
.ps-phase ul,.ps-two ul{margin:14px 0 0;padding-left:20px;color:var(--muted)}.ps-phase li,.ps-two li{margin:4px 0}
.ps-two{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.ps-two h2{font-size:clamp(22px,2.6vw,30px)}.ps-two p{color:var(--muted)}
.ps-callout{padding:30px;border-radius:var(--r);background:linear-gradient(180deg,#fff9ee,#fff);border:1px solid #ffe1b0}
.ps-callout h2{font-size:clamp(22px,2.6vw,30px)}.ps-callout p{margin:0;color:#4a4030}
.ps-code{margin:16px 0 0;padding:18px 20px;border-radius:14px;background:var(--navy);color:#e8ecff;overflow-x:auto;font-size:14.5px;line-height:1.6}
.ps-code code{background:none;padding:0;color:inherit}
.ps-dlhead{padding-bottom:60px}
.ps-dlbox{display:flex;align-items:center;gap:32px;margin-top:22px}
.ps-dlbox img{border-radius:28px;box-shadow:0 20px 50px rgba(0,0,0,.45);flex:none}
.ps-dlbox h1{margin-top:0}.ps-dlbox .ps-fine{color:rgba(255,255,255,.6)}
.ps-olist{padding-left:22px;margin:12px 0 0;color:var(--muted)}.ps-olist li{margin:8px 0;padding-left:4px}
.ps-release{padding:30px;background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);max-width:52em}
.ps-release h2{margin:0 0 4px;font-size:28px}.ps-release header p{margin:0 0 14px;color:var(--muted)}
.ps-release ul{margin:0;padding-left:20px}.ps-release li{margin:8px 0}
.ps-tag{background:rgba(255,149,0,.15);color:var(--accent-d);padding:2px 10px;border-radius:999px;font-size:13px;font-weight:650}

/* 页脚 */
.ps-footer{background:var(--navy);color:rgba(255,255,255,.7);padding:56px 0 40px;font-size:15px}
.ps-foot-top{display:flex;justify-content:space-between;gap:32px;flex-wrap:wrap;margin-bottom:28px}
.ps-foot-about{max-width:30em;margin:12px 0 0}
.ps-foot-links{display:flex;flex-direction:column;gap:8px}.ps-foot-links a{text-decoration:none;color:rgba(255,255,255,.78)}.ps-foot-links a:hover{color:#fff;text-decoration:underline}
.ps-langs{display:flex;flex-wrap:wrap;gap:6px 14px;padding:18px 0;border-top:1px solid rgba(255,255,255,.1);border-bottom:1px solid rgba(255,255,255,.1)}
.ps-langs a{text-decoration:none;color:rgba(255,255,255,.6);font-size:14px}.ps-langs a:hover,.ps-langs a[aria-current="true"]{color:#fff}
.ps-tm{font-size:12.5px;line-height:1.6;color:rgba(255,255,255,.5);margin:22px 0 8px}.ps-copy{font-size:13px;color:rgba(255,255,255,.5);margin:0}

/* 滚动出现 */
.js .reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease;transition-delay:var(--d,0s)}
.js .reveal.in{opacity:1;transform:none}

/* 响应式 */
@media (min-width:980px){.ps-hero-grid{grid-template-columns:1.02fr 1.1fr;gap:52px}}
@media (max-width:900px){
  .ps-steps,.ps-grid3{grid-template-columns:1fr}
  .ps-grid2,.ps-shots,.ps-vs,.ps-two{grid-template-columns:1fr}
  .ps-sec{padding:64px 0}
  .ps-menu{display:block}
  .ps-links{display:none;position:absolute;left:0;right:0;top:64px;flex-direction:column;align-items:stretch;background:var(--navy);padding:12px 20px 20px;border-bottom:1px solid rgba(255,255,255,.1)}
  .ps-links.open{display:flex}
  .ps-links a{padding:12px 10px}
  .ps-links a.ps-btn{margin:8px 0 0;justify-content:center}
  .ps-nav{position:sticky}
  .ps-dlbox{flex-direction:column;align-items:flex-start}
}
@media (max-width:560px){.ps-calc-out{grid-template-columns:1fr}.ps-oss{padding:26px}.ps-hero-grid{padding-top:40px;padding-bottom:48px}}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js .reveal{opacity:1;transform:none;transition:none}
  .ps-btn,.ps-card{transition:none}
}

/* 标题换行：平衡行长；日文按短语断行，中文/日文不在标点前断开 */
.ps-hero h1,.ps-pagehead h1,.ps-sec h2,.ps-final h2,.ps-head h2{text-wrap:balance}
:lang(ja) h1,:lang(ja) h2,:lang(ja) h3{word-break:auto-phrase;line-break:strict}
:lang(zh-CN) h1,:lang(zh-TW) h1,:lang(zh-CN) h2,:lang(zh-TW) h2{line-break:strict}