/* ============================================================
   Aostsoft — Modern Site Stylesheet
   Palette: trust-blue primary, energetic orange CTA, green trial
   ============================================================ */
:root{
  --blue:#0b5cab;
  --blue-dark:#073a6b;
  --blue-50:#eaf2fb;
  --blue-100:#d6e6f7;
  --orange:#ff7a1a;
  --orange-dark:#e9650a;
  --green:#119e6b;
  --green-dark:#0c8358;
  --ink:#1f2a37;
  --muted:#64748b;
  --line:#e6ebf2;
  --bg:#f6f8fc;
  --surface:#ffffff;
  --radius:14px;
  --radius-sm:9px;
  --shadow:0 1px 2px rgba(16,33,58,.06),0 8px 24px rgba(16,33,58,.08);
  --shadow-lg:0 12px 40px rgba(11,92,171,.18);
  --maxw:1180px;
  --font:"Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,"Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.65;font-size:16px;-webkit-font-smoothing:antialiased}
a{color:var(--blue);text-decoration:none;transition:.18s}
a:hover{color:var(--blue-dark)}
img{max-width:100%;display:block}
h1,h2,h3,h4{line-height:1.25;color:var(--ink);margin:0 0 .5em;font-weight:700}
h1{font-size:2.6rem;letter-spacing:-.5px}
h2{font-size:2rem;letter-spacing:-.3px}
h3{font-size:1.35rem}
p{margin:0 0 1em}
.container{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.muted{color:var(--muted)}
.center{text-align:center}
.section{padding:64px 0}
.section-sm{padding:42px 0}
.eyebrow{display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--blue);background:var(--blue-50);padding:5px 12px;border-radius:999px;margin-bottom:14px}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:600;font-size:.98rem;padding:12px 22px;border-radius:999px;border:0;cursor:pointer;transition:.18s;white-space:nowrap}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 6px 18px rgba(11,92,171,.35)}
.btn-primary:hover{background:var(--blue-dark);color:#fff;transform:translateY(-1px)}
.btn-buy{background:var(--orange);color:#fff;box-shadow:0 6px 18px rgba(255,122,26,.35)}
.btn-buy:hover{background:var(--orange-dark);color:#fff;transform:translateY(-1px)}
.btn-trial{background:#fff;color:var(--green);border:2px solid var(--green)}
.btn-trial:hover{background:var(--green);color:#fff}
.btn-ghost{background:transparent;color:var(--blue);border:2px solid var(--blue-100)}
.btn-ghost:hover{background:var(--blue-50)}
.btn-lg{padding:15px 30px;font-size:1.05rem}
.btn-sm{padding:9px 16px;font-size:.88rem}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;flex-direction:row;flex-wrap:nowrap;align-items:center;gap:18px;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--ink);font-size:1.25rem;flex-shrink:0}
.brand img{height:52px;width:auto;display:block}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;min-width:0;flex:1 1 auto;justify-content:flex-end}
.nav-links a{padding:9px 14px;border-radius:9px;color:var(--ink);font-weight:600;font-size:.95rem;white-space:nowrap}
.nav-links a:hover{background:var(--blue-50);color:var(--blue)}
.nav-links a.active{color:var(--blue)}
.nav-cta{display:flex;gap:8px;align-items:center;flex-shrink:0}
.searchbox{display:flex;align-items:center;background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:4px 6px 4px 14px}
.searchbox input{border:0;background:transparent;outline:none;font-size:.9rem;width:150px;color:var(--ink)}
.searchbox button{border:0;background:var(--blue);color:#fff;border-radius:999px;width:30px;height:30px;cursor:pointer;font-size:.9rem}
.hamburger{display:none;margin-left:auto;background:none;border:0;cursor:pointer;width:42px;height:42px}
.hamburger span{display:block;height:2px;background:var(--ink);margin:5px 0;border-radius:2px;transition:.2s}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:linear-gradient(135deg,#073a6b 0%,#0b5cab 55%,#1c7fd6 100%);color:#fff}
.hero::after{content:"";position:absolute;right:-120px;top:-80px;width:520px;height:520px;background:radial-gradient(circle,rgba(255,255,255,.16),transparent 60%);border-radius:50%}
.hero .container{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;padding:74px 22px 84px}
.hero h1{color:#fff;font-size:3rem;margin-bottom:18px}
.hero p.lead{font-size:1.18rem;color:rgba(255,255,255,.92);max-width:520px;margin-bottom:28px}
.hero .hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero .btn-ghost{color:#fff;border-color:rgba(255,255,255,.5)}
.hero .btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff}
.hero-stats{display:flex;gap:26px;margin-top:34px}
.hero-stats div{font-size:.9rem;color:rgba(255,255,255,.85)}
.hero-stats b{display:block;font-size:1.6rem;color:#fff}
.hero-card{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);border-radius:18px;padding:18px;backdrop-filter:blur(6px)}
.hero-card img{border-radius:10px;width:100%;box-shadow:0 16px 40px rgba(0,0,0,.3)}

/* ---------- Trust bar ---------- */
.trustbar{background:var(--surface);border-bottom:1px solid var(--line);padding:18px 0}
.trustbar .container{display:flex;align-items:center;gap:26px;flex-wrap:wrap;justify-content:center}
.trustbar span{color:var(--muted);font-size:.9rem;font-weight:600}
.trustbar img{height:34px;width:auto;opacity:.92}

/* ---------- Category cards ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.cat-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);transition:.2s;display:flex;flex-direction:column;gap:10px}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--blue-100)}
.cat-icon{width:54px;height:54px;border-radius:14px;background:var(--blue-50);display:flex;align-items:center;justify-content:center;color:var(--blue);font-size:1.6rem;font-weight:800}
.cat-card h3{margin:4px 0 0}
.cat-card p{color:var(--muted);font-size:.95rem;flex:1}
.cat-card .count{font-size:.85rem;color:var(--blue);font-weight:700}

/* ---------- Product grid ---------- */
.prod-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.prod-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:.2s;display:flex;flex-direction:column}
.prod-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.prod-card .thumb{background:linear-gradient(160deg,var(--blue-50),#fff);padding:18px;display:flex;align-items:center;justify-content:center;height:150px;border-bottom:1px solid var(--line)}
.prod-card .thumb img{height:118px;width:auto;object-fit:contain}
.prod-card .body{padding:16px 16px 18px;display:flex;flex-direction:column;gap:8px;flex:1}
.prod-card h4{font-size:1.02rem;margin:0;line-height:1.35}
.prod-card .desc{color:var(--muted);font-size:.86rem;flex:1;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.prod-card .meta{display:flex;align-items:center;justify-content:space-between;margin-top:4px}
.prod-card.flagship{border-color:var(--orange);box-shadow:0 8px 22px rgba(255,122,26,.18)}
.prod-card .thumb{position:relative}
.flag-badge{position:absolute;top:10px;left:10px;background:var(--orange);color:#fff;font-size:.72rem;font-weight:700;letter-spacing:.02em;padding:3px 9px;border-radius:999px;box-shadow:0 2px 8px rgba(255,122,26,.4);z-index:2}
.price{font-weight:800;color:var(--ink);font-size:1.1rem}
.price small{font-weight:500;color:var(--muted);font-size:.75rem}
.tag{font-size:.7rem;font-weight:700;padding:3px 8px;border-radius:999px;background:var(--blue-50);color:var(--blue);text-transform:uppercase;letter-spacing:.04em}
.tag.ocr{background:#fdeede;color:var(--orange-dark)}
.tag.allin{background:#e7f7ef;color:var(--green-dark)}

/* ---------- Feature / why ---------- */
.feat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.feat{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
.feat .ic{width:46px;height:46px;border-radius:12px;background:var(--blue-50);color:var(--blue);display:flex;align-items:center;justify-content:center;font-size:1.4rem;margin-bottom:14px}
.feat h4{font-size:1.08rem;margin-bottom:6px}
.feat p{color:var(--muted);font-size:.92rem;margin:0}

/* ---------- CTA band ---------- */
.cta-band{background:linear-gradient(135deg,#073a6b,#0b5cab);color:#fff;border-radius:20px;padding:46px;text-align:center;box-shadow:var(--shadow-lg)}
.cta-band h2{color:#fff}
.cta-band p{color:rgba(255,255,255,.9);max-width:560px;margin:0 auto 22px}

/* ---------- Breadcrumb ---------- */
.crumb{padding:16px 0;font-size:.88rem;color:var(--muted)}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--blue)}
.crumb span{color:var(--ink)}
.page-banner{margin:6px 0 26px;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.page-banner img{display:block;width:100%;height:auto}

/* ---------- Product detail ---------- */
.pd{display:grid;grid-template-columns:340px 1fr;gap:34px;align-items:start}
.pd-aside{position:sticky;top:88px;display:flex;flex-direction:column;gap:18px}
.buy-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);text-align:center}
.buy-card .boximg{height:170px;display:flex;align-items:center;justify-content:center;background:linear-gradient(160deg,var(--blue-50),#fff);border-radius:12px;margin-bottom:14px}
.buy-card .boximg img{height:150px;width:auto;object-fit:contain}
.buy-card .price{font-size:1.5rem;margin:0}
.buy-card .price small{font-size:.8rem}
.buy-card .body{gap:10px}
.buy-card h4,.dl-card h4{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:2.72em}
.buy-card .desc,.dl-card .desc{min-height:2.55em;flex:1}
.buy-card .btn-buy,.dl-card .btn-trial{display:flex;width:100%;justify-content:center;align-items:center;text-align:center;margin-top:auto}
.buy-card .lic{color:var(--muted);font-size:.85rem;margin-bottom:16px}
.buy-card .acts{display:flex;flex-direction:column;gap:10px}
.shot{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:14px;box-shadow:var(--shadow)}
.shot img{width:100%;border-radius:8px;border:1px solid var(--line)}
.pd h1{font-size:2.1rem;margin-bottom:6px}
.pd .lede{font-size:1.08rem;color:var(--muted);margin-bottom:22px}
.block{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px 26px;box-shadow:var(--shadow);margin-bottom:22px}
.block h3{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.block h3::before{content:"";width:6px;height:22px;border-radius:3px;background:var(--blue)}
.feat-list{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr 1fr;gap:10px 22px}
.feat-list li{position:relative;padding-left:26px;font-size:.95rem;color:var(--ink)}
.feat-list li::before{content:"✓";position:absolute;left:0;top:0;color:var(--green);font-weight:800}
.fmt-table{width:100%;border-collapse:collapse;font-size:.92rem}
.fmt-table th,.fmt-table td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
.fmt-table th{background:var(--blue-50);color:var(--blue-dark);width:38%}
.spec-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.spec{border:1px solid var(--line);border-radius:10px;padding:14px 16px}
.spec b{display:block;color:var(--muted);font-size:.8rem;text-transform:uppercase;letter-spacing:.05em;margin-bottom:4px}
.pd-cta{display:flex;gap:12px;flex-wrap:wrap;margin:8px 0 4px}

/* ---------- Filters (catalog) ---------- */
.catalog-head{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:22px}
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chip{border:1px solid var(--line);background:#fff;color:var(--ink);padding:8px 16px;border-radius:999px;cursor:pointer;font-weight:600;font-size:.9rem;transition:.15s}
.chip:hover{border-color:var(--blue);color:var(--blue)}
.chip.active{background:var(--blue);color:#fff;border-color:var(--blue)}
.cat-filterbar{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:26px}
.result-count{color:var(--muted);font-size:.92rem}

/* ---------- Content page ---------- */
.prose{max-width:820px;margin:0 auto}
.prose h2{margin-top:1.4em}
.prose ul{color:var(--ink)}
.card-list{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:10px}
.mini{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:20px;box-shadow:var(--shadow)}
.dl-title{color:var(--ink);text-decoration:none;font-weight:700}
.dl-title:hover{color:var(--blue);text-decoration:underline}
.mini h4{margin:0 0 6px}
.mini p{margin:0;color:var(--muted);font-size:.92rem}

/* ---------- Footer ---------- */
.site-footer{background:#0c1a2b;color:#c7d3e0;margin-top:40px}
.site-footer a{color:#c7d3e0}
.site-footer a:hover{color:#fff}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px;padding:54px 0 30px}
.foot-grid h5{color:#fff;font-size:1rem;margin:0 0 14px}
.foot-grid ul{list-style:none;padding:0;margin:0}
.foot-grid li{margin-bottom:9px;font-size:.92rem}
.foot-brand img{height:42px;margin-bottom:12px}
.foot-brand p{font-size:.9rem;color:#9fb0c2;max-width:280px}
.foot-bottom{border-top:1px solid rgba(255,255,255,.08);padding:18px 0;font-size:.85rem;color:#8a9bb0;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}

/* ---------- Back to top ---------- */
.back-to-top{position:fixed;right:24px;bottom:24px;width:48px;height:48px;border:0;border-radius:50%;background:var(--blue);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 22px rgba(11,92,171,.4);opacity:0;visibility:hidden;transform:translateY(12px);transition:opacity .25s,visibility .25s,transform .25s,background .18s;z-index:60}
.back-to-top svg{width:22px;height:22px}
.back-to-top:hover{background:var(--blue-dark)}
.back-to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.badges{display:flex;gap:12px;align-items:center;margin-top:14px;flex-wrap:wrap}
.badges img{height:32px;background:#fff;border-radius:8px;padding:5px 10px;box-shadow:0 2px 6px rgba(0,0,0,.12)}

/* ---------- Analysis report ---------- */
.report-hero{background:linear-gradient(135deg,#073a6b,#0b5cab);color:#fff;padding:60px 0}
.report-hero h1{color:#fff}
.kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin:30px 0}
.kpi{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:22px;box-shadow:var(--shadow);text-align:center}
.kpi b{display:block;font-size:2.2rem;color:var(--blue);line-height:1}
.kpi span{color:var(--muted);font-size:.9rem}
.toc{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:20px 24px;box-shadow:var(--shadow)}
.toc a{display:block;padding:5px 0;color:var(--ink)}
.callout{border-left:4px solid var(--orange);background:#fff6ee;padding:16px 18px;border-radius:8px;margin:16px 0}
.callout.blue{border-color:var(--blue);background:var(--blue-50)}
table.audit{width:100%;border-collapse:collapse;font-size:.92rem;margin:14px 0}
table.audit th,table.audit td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
table.audit th{background:var(--blue-50);color:var(--blue-dark)}
table.audit td .ok{color:var(--green);font-weight:700}
table.audit td .warn{color:var(--orange-dark);font-weight:700}
.pill{display:inline-block;padding:2px 9px;border-radius:999px;font-size:.78rem;font-weight:700}
.pill.hi{background:#fde0e0;color:#c0392b}
.pill.mid{background:#fdeede;color:var(--orange-dark)}
.pill.lo{background:#e7f7ef;color:var(--green-dark)}

/* ---------- Responsive ---------- */
@media (max-width:980px){
  .hero .container{grid-template-columns:1fr;padding:56px 22px 64px}
  .hero-card{display:none}
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .prod-grid{grid-template-columns:repeat(3,1fr)}
  .feat-grid,.kpi-grid{grid-template-columns:repeat(2,1fr)}
  .pd{grid-template-columns:1fr}
  .pd-aside{position:static}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:980px){
  .nav{gap:12px}
  .nav-links a{padding:8px 10px;font-size:.86rem}
  .searchbox input{width:120px}
  .btn-sm{padding:7px 14px;font-size:.8rem}
}
@media (max-width:760px){
  h1{font-size:2rem}.hero h1{font-size:2.3rem}h2{font-size:1.6rem}
  .nav-links{display:none}
  .nav-links.open ~ .nav-cta .searchbox{display:flex;width:100%;margin:10px 22px 4px;order:5}
  .hamburger{display:block}
  .nav-links.open{display:flex;position:absolute;top:68px;left:0;right:0;background:#fff;flex-direction:column;padding:14px 22px;gap:6px;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
  .cat-grid,.prod-grid,.feat-grid,.kpi-grid,.card-list,.spec-grid,.feat-list{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .cta-band{padding:32px 22px}
  .back-to-top{right:16px;bottom:16px;width:44px;height:44px}
}