/* =========================================================================
   美天软件 · 51datasafe.com — Design System
   Apple-inspired premium light theme. Generous whitespace, large type,
   subtle brand gradients (indigo → cyan), category accents.
   ========================================================================= */

:root{
  /* ink / surfaces */
  --ink:#1d1d1f;
  --ink-soft:#424245;
  --muted:#6e6e73;
  --muted-2:#86868b;
  --line:#d2d2d7;
  --line-soft:#e8e8ed;
  --bg:#ffffff;
  --bg-alt:#fbfbfd;
  --bg-soft:#f5f5f7;
  --bg-ink:#0b0b0f;

  /* brand */
  --brand:#5b3df5;        /* indigo */
  --brand-2:#06b6d4;      /* cyan   */
  --brand-3:#8b5cf6;      /* violet */
  --brand-ink:#3a25c9;
  --grad:linear-gradient(120deg,#5b3df5 0%,#7c4dff 38%,#06b6d4 100%);
  --grad-soft:linear-gradient(120deg,rgba(91,61,245,.10),rgba(6,182,212,.10));

  /* category accents */
  --c-backup:#2563eb;     /* 数据保护 */
  --c-office:#7c3aed;     /* 智能办公 */
  --c-security:#0891b2;   /* 数据安全 */
  --c-science:#059669;    /* 生命科学 */

  --radius:22px;
  --radius-sm:14px;
  --radius-lg:30px;
  --shadow:0 2px 8px rgba(0,0,0,.04),0 12px 40px rgba(0,0,0,.06);
  --shadow-lg:0 4px 14px rgba(0,0,0,.06),0 30px 80px rgba(0,0,0,.10);
  --font:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text","Helvetica Neue","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --maxw:1080px;
  --maxw-wide:1240px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font);
  color:var(--ink);
  background:var(--bg);
  line-height:1.5;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
::selection{background:rgba(91,61,245,.18)}

/* ---------------------------------------------------------------- layout */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.wrap-wide{max-width:var(--maxw-wide);margin:0 auto;padding:0 24px}
section{position:relative}
.bg-alt{background:var(--bg-alt)}
.bg-soft{background:var(--bg-soft)}

/* --------------------------------------------------------------- topbar */
.topbar{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.72);
  backdrop-filter:saturate(180%) blur(20px);
  -webkit-backdrop-filter:saturate(180%) blur(20px);
  border-bottom:1px solid rgba(0,0,0,.06);
}
.topbar .inner{display:flex;align-items:center;justify-content:space-between;height:52px;max-width:var(--maxw-wide);margin:0 auto;padding:0 24px}
.brand{display:flex;align-items:center;gap:10px;font-weight:600;font-size:17px;letter-spacing:.02em}
.brand .mark{width:28px;height:28px;border-radius:8px;background:var(--grad);display:grid;place-items:center;color:#fff;font-size:12px;font-weight:800;letter-spacing:.5px;box-shadow:0 3px 10px rgba(91,61,245,.35)}
.navlinks{display:flex;gap:30px;align-items:center}
.navlinks a{font-size:14px;color:var(--ink-soft);transition:color .2s}
.navlinks a:hover{color:var(--brand)}
.nav-cta{font-size:13px;padding:6px 15px;border-radius:980px;background:var(--ink);color:#fff !important}
.nav-cta:hover{background:var(--brand)}
.nav-toggle{display:none;background:none;border:0;font-size:22px;color:var(--ink);cursor:pointer}
/* language switcher */
.langsw{position:relative}
.langsw-btn{display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:500;color:var(--ink-soft);background:var(--bg-soft);border:1px solid var(--line-soft);padding:6px 13px;border-radius:980px;cursor:pointer;font-family:inherit;line-height:1}
.langsw-btn:hover,.langsw.open .langsw-btn{border-color:var(--brand);color:var(--brand);background:var(--grad-soft)}
.langsw-btn .globe{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:1.6;flex-shrink:0}
.langsw-btn .caret{font-size:9px;opacity:.55;transition:transform .2s}
.langsw.open .langsw-btn .caret{transform:rotate(180deg)}
.langsw-menu{position:absolute;right:0;top:100%;margin-top:8px;background:#fff;border:1px solid var(--line-soft);border-radius:14px;box-shadow:var(--shadow-lg);padding:6px;min-width:188px;display:none;flex-direction:column;z-index:120}
.langsw-menu::before{content:"";position:absolute;left:0;right:0;top:-10px;height:10px}/* hover bridge over the gap */
.langsw:hover .langsw-menu,.langsw:focus-within .langsw-menu,.langsw.open .langsw-menu{display:flex}
.langsw-menu a{display:flex;align-items:center;gap:9px;font-size:14px;color:var(--ink-soft);padding:9px 11px;border-radius:9px;transition:background .15s,color .15s}
.langsw-menu a:hover{background:var(--bg-soft);color:var(--brand)}
.langsw-menu a.active{color:var(--brand);font-weight:600;background:var(--grad-soft)}
.langsw-menu .lck{width:13px;font-size:11px;color:var(--brand);text-align:center;flex-shrink:0}
.langsw-menu .ln{flex:1}
.langsw-menu .lc{font-size:11px;font-weight:600;color:var(--muted-2);font-family:ui-monospace,"SF Mono",Menlo,monospace;letter-spacing:.04em}
.langsw-menu a:hover .lc,.langsw-menu a.active .lc{color:var(--brand)}
@media(max-width:820px){.langsw{margin-top:6px}.langsw-menu{position:static;display:flex;box-shadow:none;border:0;padding:0;flex-direction:row;flex-wrap:wrap;gap:6px;min-width:0}.langsw-menu a{background:var(--bg-soft);padding:7px 12px}.langsw-menu .lck{display:none}}
@media(max-width:820px){
  .navlinks{position:fixed;inset:52px 0 auto 0;flex-direction:column;background:rgba(255,255,255,.97);backdrop-filter:blur(20px);padding:18px 24px;gap:18px;border-bottom:1px solid var(--line-soft);transform:translateY(-130%);transition:transform .3s;align-items:flex-start}
  .navlinks.open{transform:translateY(0)}
  .nav-toggle{display:block}
}

/* ----------------------------------------------------------------- hero */
.hero{padding:54px 0 56px;text-align:center;overflow:hidden}
.hero-banner.top{padding:26px 0 0}
.hero .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand);background:var(--grad-soft);border:1px solid rgba(91,61,245,.18);padding:6px 16px;border-radius:980px;margin-bottom:24px}
.hero .eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--brand-2);box-shadow:0 0 0 4px rgba(6,182,212,.18)}
.hero h1{font-size:clamp(38px,6.4vw,76px);line-height:1.04;font-weight:680;letter-spacing:-.025em;margin-bottom:22px}
.hero h1 .grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent}
.hero .lede{font-size:clamp(17px,2.4vw,22px);color:var(--muted);max-width:660px;margin:0 auto 34px;line-height:1.55;font-weight:380}
.hero-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;font-size:16px;font-weight:500;padding:13px 26px;border-radius:980px;transition:transform .2s,box-shadow .2s,background .2s,color .2s;cursor:pointer;border:0;line-height:1}
.btn-primary{background:var(--ink);color:#fff;box-shadow:0 6px 20px rgba(0,0,0,.16)}
.btn-primary:hover{background:var(--brand);transform:translateY(-1px);box-shadow:0 10px 28px rgba(91,61,245,.32)}
.btn-ghost{background:transparent;color:var(--brand);border:1px solid var(--line)}
.btn-ghost:hover{border-color:var(--brand);background:var(--grad-soft)}
.btn-sm{font-size:14px;padding:9px 18px}
.btn .arrow{transition:transform .2s}
.btn:hover .arrow{transform:translateX(3px)}

/* hero stat strip */
.statstrip{display:flex;flex-wrap:wrap;justify-content:center;gap:14px 56px;margin-top:54px;padding-top:40px;border-top:1px solid var(--line-soft)}
.statstrip .s{text-align:center;min-width:120px}
.statstrip .num{font-size:clamp(30px,4vw,44px);font-weight:680;letter-spacing:-.02em;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent}
.statstrip .lab{font-size:13px;color:var(--muted-2);margin-top:4px}

/* --------------------------------------------------------- section head */
.sec{padding:96px 0}
.sec-sm{padding:64px 0}
.sec-head{text-align:center;max-width:720px;margin:0 auto 56px}
.sec-head.left{text-align:left;margin-left:0}
.kicker{font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--brand);margin-bottom:14px}
.sec-head h2{font-size:clamp(30px,4.6vw,52px);line-height:1.08;font-weight:660;letter-spacing:-.02em;margin-bottom:16px}
.sec-head p{font-size:clamp(16px,2vw,20px);color:var(--muted);line-height:1.55;font-weight:380}

/* ------------------------------------------------------ product grid (home) */
.cat-block{margin-bottom:64px}
.cat-title{display:flex;align-items:center;gap:12px;font-size:15px;font-weight:700;letter-spacing:.04em;margin-bottom:22px;color:var(--ink-soft)}
.cat-title .bar{width:30px;height:4px;border-radius:3px;background:var(--accent,var(--brand))}

.pgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(310px,1fr));gap:20px}
.pcard{
  position:relative;display:flex;flex-direction:column;
  background:var(--bg);border:1px solid var(--line-soft);border-radius:var(--radius);
  padding:0;transition:transform .28s cubic-bezier(.2,.7,.2,1),box-shadow .28s,border-color .28s;
  overflow:hidden;min-height:230px;
}
.pcard:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
.pcard-shot{height:158px;overflow:hidden;border-bottom:1px solid var(--line-soft);background:var(--bg-soft);position:relative}
.pcard-shot svg{width:100%;height:auto;display:block}
.pcard-thumb{width:100%;height:158px;object-fit:cover;object-position:top center;display:block}
.pcard.feature .pcard-thumb{height:188px}
.pcard-shot::after{content:"";position:absolute;inset:auto 0 0 0;height:54px;background:linear-gradient(transparent,rgba(255,255,255,.5))}
.pcard.feature .pcard-shot{height:188px}
.pcard-body{padding:24px 26px 28px;display:flex;flex-direction:column;flex:1}
.pcard .picon{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;margin:-46px 0 14px;position:relative;z-index:2;background:#fff;box-shadow:var(--shadow);color:var(--accent,var(--brand))}
.pcard .picon svg{width:27px;height:27px;stroke:currentColor;fill:none;stroke-width:1.6}
.pcard h3{font-size:21px;font-weight:640;letter-spacing:-.01em;margin-bottom:5px;display:flex;align-items:center;gap:9px;flex-wrap:wrap}
.pcard .slug{font-size:12px;font-weight:600;color:var(--muted-2);font-family:ui-monospace,"SF Mono",Menlo,monospace;letter-spacing:0}
.pcard .ptag{font-size:11px;font-weight:700;color:#fff;background:var(--accent,var(--brand));padding:2px 9px;border-radius:980px;letter-spacing:.04em}
.pcard p{font-size:14.5px;color:var(--muted);line-height:1.6;flex:1;margin-bottom:18px}
.pcard .more{font-size:14px;font-weight:600;color:var(--accent,var(--brand));display:inline-flex;align-items:center;gap:6px}
.pcard .more .arrow{transition:transform .2s}
.pcard:hover .more .arrow{transform:translateX(4px)}
.pcard.feature{grid-column:span 2;background:linear-gradient(135deg,#fff,var(--bg-soft));min-height:260px}
@media(max-width:720px){.pcard.feature{grid-column:span 1}}

/* ---------------------------------------------------------- value props */
.vgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:22px}
.vcard{padding:30px 26px;border-radius:var(--radius);background:var(--bg);border:1px solid var(--line-soft)}
.vcard .vi{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;margin-bottom:16px;background:var(--grad-soft);color:var(--brand)}
.vcard .vi svg{width:25px;height:25px;stroke:currentColor;fill:none;stroke-width:1.7}
.vcard h4{font-size:18px;font-weight:620;margin-bottom:8px}
.vcard p{font-size:14.5px;color:var(--muted);line-height:1.6}

/* ----------------------------------------------------------- big CTA band */
.ctaband{background:var(--bg-ink);color:#fff;border-radius:var(--radius-lg);padding:72px 48px;text-align:center;position:relative;overflow:hidden}
.ctaband::before{content:"";position:absolute;width:760px;height:760px;left:50%;top:-60%;transform:translateX(-50%);background:radial-gradient(circle,rgba(91,61,245,.45),transparent 62%);pointer-events:none}
.ctaband::after{content:"";position:absolute;width:600px;height:600px;right:-15%;bottom:-55%;background:radial-gradient(circle,rgba(6,182,212,.30),transparent 62%);pointer-events:none}
.ctaband h2{font-size:clamp(28px,4vw,46px);font-weight:660;letter-spacing:-.02em;margin-bottom:16px;position:relative}
.ctaband p{font-size:18px;color:rgba(255,255,255,.72);max-width:560px;margin:0 auto 30px;position:relative}
.ctaband .btn-primary{background:#fff;color:var(--ink);position:relative}
.ctaband .btn-primary:hover{background:var(--brand);color:#fff}
.ctaband .btn-ghost{color:#fff;border-color:rgba(255,255,255,.3);position:relative}
.ctaband .btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff}
.contact-lines{display:flex;flex-wrap:wrap;gap:12px 30px;justify-content:center;margin-top:28px;position:relative}
.contact-lines .cl{display:inline-flex;align-items:center;gap:8px;font-size:15px;color:rgba(255,255,255,.88);text-decoration:none}
.contact-lines .cl:hover{color:#fff}
.contact-lines .cl .ph{width:16px;height:16px;stroke:var(--brand-2);fill:none;stroke-width:1.7;flex-shrink:0}
.contact-lines .cl span{color:rgba(255,255,255,.6);font-size:13px}
.contact-lines .cl b{font-weight:700;letter-spacing:.03em}

/* emergency data recovery band + industries strip */
.rec-band{display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:center;background:linear-gradient(135deg,var(--bg-soft),#fff);border:1px solid var(--line-soft);border-radius:var(--radius-lg);padding:46px;box-shadow:var(--shadow)}
@media(max-width:820px){.rec-band{grid-template-columns:1fr;gap:24px;padding:30px}}
.rec-band h2{font-size:clamp(24px,3.4vw,34px);font-weight:660;letter-spacing:-.02em;margin:10px 0 12px}
.rec-band p{color:var(--muted);font-size:16px;line-height:1.65;margin-bottom:24px}
.rec-tags{display:flex;flex-wrap:wrap;gap:10px}
.rec-tags span{font-size:13.5px;color:var(--ink-soft);background:#fff;border:1px solid var(--line-soft);border-radius:980px;padding:9px 16px;transition:border-color .2s,transform .2s}
.rec-tags span:hover{border-color:var(--c-backup);transform:translateY(-2px)}
.rec-tags span::before{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--c-backup);margin-right:8px;vertical-align:middle}
.ind-strip{text-align:center;margin-top:46px}
.ind-strip .kicker{display:block}
.ind-tags{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:16px}
.ind-tags span{font-size:14px;color:var(--ink-soft);background:var(--bg-soft);border:1px solid var(--line-soft);border-radius:10px;padding:9px 16px}

/* customer cases */
.casegrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:20px}
.casecard{background:#fff;border:1px solid var(--line-soft);border-radius:var(--radius);padding:28px 26px;transition:box-shadow .25s,transform .25s}
.casecard:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.casecard .cav{width:46px;height:46px;border-radius:13px;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:19px;margin-bottom:16px}
.casecard .ccli{font-size:17.5px;font-weight:640;margin-bottom:9px;line-height:1.35}
.casecard .cctag{display:inline-block;font-size:12px;font-weight:600;color:var(--brand);background:var(--grad-soft);border-radius:980px;padding:3px 12px;margin-bottom:13px}
.casecard .ccout{font-size:14px;color:var(--muted);line-height:1.6}
/* news & honors */
.newslist{max-width:880px;margin:0 auto;display:flex;flex-direction:column}
.newsitem{display:flex;align-items:center;gap:18px;padding:17px 18px;border-bottom:1px solid var(--line-soft)}
.newsitem:last-child{border-bottom:0}
.newsitem .nd{flex:0 0 auto;font-size:12.5px;font-weight:700;color:var(--brand);background:var(--grad-soft);border-radius:8px;padding:6px 11px;font-family:ui-monospace,"SF Mono",Menlo,monospace}
.newsitem .nt{font-size:15.5px;color:var(--ink-soft);line-height:1.5}
@media(max-width:600px){.newsitem{flex-direction:column;align-items:flex-start;gap:7px}}
/* standalone list-page header */
.subhero{padding:60px 0 32px}
.subhero .crumb{font-size:13px;color:var(--muted-2);margin-bottom:20px}
.subhero .crumb a:hover{color:var(--brand)}
.subhero h1{font-size:clamp(30px,4.6vw,48px);font-weight:680;letter-spacing:-.025em;margin-bottom:12px}
.subhero .sub{font-size:18px;color:var(--muted);max-width:680px;line-height:1.55}

/* industry news cards */
.newsgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px}
.ncard{background:#fff;border:1px solid var(--line-soft);border-radius:var(--radius);padding:24px;transition:box-shadow .25s,transform .25s}
.ncard:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.ncard .nd{display:inline-block;font-size:12px;font-weight:700;color:var(--brand);background:var(--grad-soft);border-radius:8px;padding:5px 11px;margin-bottom:14px;font-family:ui-monospace,"SF Mono",Menlo,monospace}
.ncard p{font-size:15px;color:var(--ink-soft);line-height:1.6}

/* footer 备案 / email line */
.foot-beian{text-align:center;font-size:12px;color:var(--muted-2);margin-top:16px;line-height:1.9}
.foot-beian a{color:var(--muted-2)}
.foot-beian a:hover{color:var(--brand)}

/* =====================================================  PRODUCT PAGE  ==== */
.phero{padding:72px 0 56px;position:relative;overflow:hidden}
.phero .crumb{font-size:13px;color:var(--muted-2);margin-bottom:24px}
.phero .crumb a:hover{color:var(--brand)}
.phero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
@media(max-width:880px){.phero-grid{grid-template-columns:1fr;gap:32px}}
.phero .badge{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;color:#fff;background:var(--accent,var(--brand));padding:5px 14px;border-radius:980px;margin-bottom:18px;letter-spacing:.04em}
.phero h1{font-size:clamp(34px,5.2vw,60px);line-height:1.06;font-weight:680;letter-spacing:-.025em;margin-bottom:18px}
.phero .sub{font-size:clamp(17px,2.2vw,21px);color:var(--muted);line-height:1.55;margin-bottom:28px;font-weight:400}
.phero .pill-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:30px}
.pill{font-size:12.5px;color:var(--ink-soft);background:var(--bg-soft);border:1px solid var(--line-soft);padding:6px 13px;border-radius:980px}
.phero-visual{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-lg);border:1px solid var(--line-soft);background:#fff}
.phero-visual img{width:100%}
.phero-art{aspect-ratio:4/3;border-radius:var(--radius);background:var(--accent-soft,var(--grad-soft));display:grid;place-items:center;box-shadow:var(--shadow);border:1px solid var(--line-soft)}
.phero-art svg{width:46%;height:46%;stroke:var(--accent,var(--brand));fill:none;stroke-width:1.2;opacity:.85}
.phero-visual.scene-wrap{padding:0;background:#fff}
.phero-visual .scene{width:100%;height:auto;display:block}
.phero-grid.rev .phero-text{order:2}
.phero-grid.rev .phero-media{order:1}

/* homepage landscape hero banner */
.hero-banner{padding:6px 0 8px}
.landscape{width:100%;border-radius:24px;display:block;box-shadow:var(--shadow-lg);border:1px solid rgba(0,0,0,.05)}

/* product carousel (轮播) */
.carousel{position:relative;border-radius:24px;overflow:hidden;box-shadow:var(--shadow-lg);border:1px solid var(--line-soft);background:#0b0b0f}
.car-track{display:flex;transition:transform .55s cubic-bezier(.2,.7,.2,1)}
.car-slide{position:relative;flex:0 0 100%;min-width:100%;max-width:100%}
.car-slide img{width:100%;height:560px;object-fit:cover;object-position:top center;display:block}
.car-cap{position:absolute;inset:auto 0 0 0;display:flex;justify-content:space-between;align-items:flex-end;gap:18px;
  padding:72px 40px 34px;background:linear-gradient(transparent,rgba(8,8,14,.45) 40%,rgba(8,8,14,.9));color:#fff}
.car-tag{font-size:19px;font-weight:700;display:inline-flex;align-items:baseline;gap:10px}
.car-tag em{font-style:normal;font-size:13px;font-weight:500;color:rgba(255,255,255,.6);font-family:ui-monospace,Menlo,monospace}
.car-cap p{color:rgba(255,255,255,.82);font-size:14.5px;margin-top:7px;max-width:680px;line-height:1.5}
.car-cap .btn-primary{background:#fff;color:var(--ink);flex-shrink:0;box-shadow:none}
.car-cap .btn-primary:hover{background:var(--brand);color:#fff}
.car-btn{position:absolute;top:46%;transform:translateY(-50%);width:46px;height:46px;border-radius:50%;border:0;
  background:rgba(255,255,255,.86);color:var(--ink);font-size:24px;line-height:1;cursor:pointer;display:grid;place-items:center;
  box-shadow:var(--shadow);transition:background .2s,transform .2s;z-index:3}
.car-btn:hover{background:#fff;transform:translateY(-50%) scale(1.06)}
.car-prev{left:18px}.car-next{right:18px}
.car-dots{position:absolute;left:0;right:0;bottom:15px;display:flex;justify-content:center;gap:8px;z-index:3}
.car-dot{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.45);border:0;cursor:pointer;padding:0;transition:all .25s}
.car-dot.active{background:#fff;width:24px;border-radius:4px}
@media(max-width:760px){
  .car-slide img{height:320px}
  .car-cap{flex-direction:column;align-items:flex-start;padding:50px 22px 30px}
  .car-cap .btn{align-self:flex-start}
}

/* homepage hero shot + showcase */
.hero-shot{max-width:940px;margin:52px auto 0;border-radius:22px;overflow:hidden;box-shadow:var(--shadow-lg);border:1px solid var(--line-soft);background:#fff}
.hero-shot img,.hero-shot .scene{width:100%;display:block}
.hero-shot figcaption{font-size:13px;color:var(--muted);padding:13px 22px;border-top:1px solid var(--line-soft);background:var(--bg-alt);text-align:center}
.showgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
@media(max-width:760px){.showgrid{grid-template-columns:1fr}}
.showcard{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line-soft);box-shadow:var(--shadow);background:#fff;transition:transform .25s,box-shadow .25s}
.showcard:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.showcard img{width:100%;display:block}
.showcard figcaption{font-size:13.5px;color:var(--muted);padding:14px 20px;border-top:1px solid var(--line-soft);background:var(--bg-alt)}
.showcard .tag{font-size:12px;font-weight:700;color:var(--brand)}

/* feature rows */
.frow{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:22px}
.fitem{padding:28px 26px;border-radius:var(--radius);background:var(--bg);border:1px solid var(--line-soft);transition:box-shadow .25s,transform .25s}
.fitem:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.fitem .fi{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;margin-bottom:15px;background:var(--accent-soft,var(--grad-soft));color:var(--accent,var(--brand))}
.fitem .fi svg{width:24px;height:24px;stroke:currentColor;fill:none;stroke-width:1.7}
.fitem h3{font-size:18px;font-weight:620;margin-bottom:8px}
.fitem p{font-size:14.5px;color:var(--muted);line-height:1.62}

/* spec table */
.spectable{width:100%;border-collapse:collapse;border:1px solid var(--line-soft);border-radius:var(--radius-sm);overflow:hidden;font-size:15px}
.spectable th,.spectable td{text-align:left;padding:15px 20px;border-bottom:1px solid var(--line-soft)}
.spectable th{width:30%;color:var(--ink);font-weight:620;background:var(--bg-soft)}
.spectable td{color:var(--muted)}
.spectable tr:last-child th,.spectable tr:last-child td{border-bottom:0}

/* highlight list */
.hlist{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:14px}
.hlist .h{display:flex;gap:13px;align-items:flex-start;padding:18px 20px;background:var(--bg);border:1px solid var(--line-soft);border-radius:var(--radius-sm)}
.hlist .h .ck{flex-shrink:0;width:24px;height:24px;border-radius:50%;background:var(--accent,var(--brand));display:grid;place-items:center;margin-top:1px}
.hlist .h .ck svg{width:13px;height:13px;stroke:#fff;fill:none;stroke-width:2.6}
.hlist .h b{display:block;font-size:15px;font-weight:600;margin-bottom:3px}
.hlist .h span{font-size:13.5px;color:var(--muted);line-height:1.55}

/* screenshot showcase */
.shots{display:grid;gap:22px}
.shot{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line-soft);box-shadow:var(--shadow);background:#fff}
.shot figcaption{font-size:13.5px;color:var(--muted);padding:13px 20px;border-top:1px solid var(--line-soft);background:var(--bg-alt)}
.shot-2{grid-template-columns:1fr 1fr}
@media(max-width:760px){.shot-2{grid-template-columns:1fr}}

/* FAQ */
.faq{max-width:820px;margin:0 auto}
.faq details{border-bottom:1px solid var(--line-soft);padding:6px 0}
.faq summary{font-size:18px;font-weight:560;padding:20px 40px 20px 4px;cursor:pointer;list-style:none;position:relative;color:var(--ink)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:8px;top:18px;font-size:24px;font-weight:300;color:var(--muted-2);transition:transform .25s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{font-size:15.5px;color:var(--muted);line-height:1.7;padding:0 40px 22px 4px}

/* compare table */
.cmp-wrap{overflow-x:auto;border-radius:var(--radius-sm);border:1px solid var(--line-soft)}
.cmp{width:100%;border-collapse:collapse;font-size:14.5px;min-width:560px}
.cmp th,.cmp td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--line-soft)}
.cmp thead th{background:var(--bg-soft);font-weight:620;font-size:13.5px}
.cmp tbody th{font-weight:540;color:var(--ink-soft)}
.cmp .yes{color:var(--c-science);font-weight:600}
.cmp .no{color:var(--muted-2)}
.cmp tbody tr:hover{background:var(--bg-alt)}

/* ----------------------------------------------------------------- footer */
footer{background:var(--bg-soft);border-top:1px solid var(--line-soft);padding:56px 0 40px;font-size:13px;color:var(--muted)}
.foot-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:36px;margin-bottom:40px}
@media(max-width:760px){.foot-grid{grid-template-columns:1fr 1fr}}
.foot-grid h5{font-size:13px;font-weight:700;color:var(--ink);margin-bottom:14px;letter-spacing:.02em}
.foot-grid ul{list-style:none}
.foot-grid li{margin-bottom:9px}
.foot-grid a{color:var(--muted);transition:color .2s}
.foot-grid a:hover{color:var(--brand)}
.foot-brand .brand{margin-bottom:14px}
.foot-brand p{max-width:300px;line-height:1.6;color:var(--muted-2)}
.foot-bottom{border-top:1px solid var(--line-soft);padding-top:24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;color:var(--muted-2)}

/* reveal animation (progressive enhancement; visible by default) */
.reveal{opacity:1;transform:none}
.js .reveal{opacity:0;transform:translateY(22px)}
.js .reveal.in{opacity:1;transform:none;transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}

/* ---- AI workflow demo (product page) ---- */
.demo-wrap{max-width:980px;margin:0 auto}
.qchip{display:inline-block;font-family:ui-monospace,"SF Mono",Menlo,Consolas,monospace;font-size:14.5px;color:var(--brand);
  background:var(--bg-soft);border:1px solid var(--line-soft);border-radius:12px;padding:12px 18px;margin-bottom:26px}
.qchip em{font-style:normal;color:var(--muted-2);margin-right:10px;font-family:var(--font)}
.pipe{display:flex;align-items:stretch;gap:6px;margin-bottom:14px;flex-wrap:wrap}
.pipe .st{flex:1 1 150px;text-align:center;padding:24px 14px;border:1px solid var(--line-soft);border-radius:18px;background:#fff}
.pipe .st .nm{width:36px;height:36px;border-radius:50%;background:var(--grad);color:#fff;font-weight:800;font-size:16px;
  display:flex;align-items:center;justify-content:center;margin:0 auto 13px}
.pipe .st b{display:block;font-size:15.5px;margin-bottom:5px}
.pipe .st span{font-size:12.5px;color:var(--muted);line-height:1.45}
.pipe .ar{display:flex;align-items:center;color:var(--line);font-size:26px;flex:0 0 auto}
@media(max-width:760px){.pipe .ar{display:none}.pipe .st{flex:1 1 44%}}
.evd{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:8px}
@media(max-width:760px){.evd{grid-template-columns:1fr}}
.evd .e{border:1px solid var(--line-soft);border-left:4px solid var(--brand);border-radius:14px;padding:20px 22px;background:#fff}
.evd .e .top{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.evd .e .code{font-size:13px;font-weight:800;color:#fff;padding:3px 13px;border-radius:30px;letter-spacing:.03em}
.evd .e .str{font-size:12.5px;color:var(--muted-2)}
.evd .e b{display:block;font-size:15.5px;margin-bottom:5px}
.evd .e p{font-size:13px;color:var(--muted);line-height:1.55}
.evd .e .src{color:var(--muted-2)}
.verdict{margin-top:18px;border-radius:18px;padding:26px 30px;background:var(--bg-ink);color:#fff;
  display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap}
.verdict .lab{font-size:15px;color:rgba(255,255,255,.72)}
.verdict .res{font-size:21px;font-weight:700;color:#34d399}
.demo-note{font-size:12.5px;color:var(--muted-2);margin-top:16px}

/* product-page modules */
.statband{display:flex;flex-wrap:wrap;justify-content:center;gap:18px;max-width:940px;margin:0 auto}
.statband .s{flex:1 1 160px;text-align:center;background:#fff;border:1px solid var(--line-soft);border-radius:16px;padding:26px 16px}
.statband .num{font-size:clamp(26px,3.4vw,40px);font-weight:720;letter-spacing:-.02em;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent}
.statband .lab{font-size:13px;color:var(--muted-2);margin-top:6px}
.aigrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(216px,1fr));gap:14px}
.aic{background:var(--bg);border:1px solid var(--line-soft);border-radius:16px;padding:22px 20px;transition:box-shadow .25s,transform .25s}
.aic:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.aic-emoji{font-size:26px;display:block;margin-bottom:10px;line-height:1}
.aic b{display:block;font-size:16px;font-weight:620;margin-bottom:5px}
.aic p{font-size:13px;color:var(--muted);line-height:1.55}
.archstack{max-width:880px;margin:0 auto;display:flex;flex-direction:column;gap:10px}
.archlayer{display:flex;align-items:center;gap:14px;background:var(--bg);border:1px solid var(--line-soft);border-left:4px solid var(--accent,var(--brand));border-radius:12px;padding:16px 20px;font-size:14.5px;color:var(--ink-soft)}
.archlayer .archnum{flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:var(--grad-soft);color:var(--brand);font-weight:700;font-size:13px;display:grid;place-items:center}

/* generic helpers */
.center{text-align:center}
.mt-s{margin-top:18px}.mt-m{margin-top:34px}.mt-l{margin-top:56px}
.lead-links{display:flex;gap:22px;flex-wrap:wrap;justify-content:center;margin-top:8px}
.lead-links a{font-size:15px;color:var(--brand);font-weight:560}
.lead-links a:hover{text-decoration:underline}