/* ============================================================
   AS9102 to Excel — stylesheet
   移动优先。断点：560 手机 / 820 平板 / 900 桌面表格
   ============================================================ */

:root{
  --bg:#f6f7f9;
  --surface:#ffffff;
  --ink:#0f172a;
  --ink-2:#475569;
  --ink-3:#94a3b8;
  --line:#e2e8f0;
  --line-2:#cbd5e1;
  --brand:#1d4ed8;
  --brand-2:#0570de;
  --brand-soft:#eff6ff;
  --warn:#b45309;
  --warn-bg:#fef3c7;
  --ok:#047857;
  --radius:12px;
  --radius-sm:8px;
  --shadow:0 1px 2px rgba(15,23,42,.06),0 8px 24px rgba(15,23,42,.06);
  --shadow-sm:0 1px 2px rgba(15,23,42,.08);
  --maxw:1080px;
  --nav-h:56px;
  --safe-b:env(safe-area-inset-bottom,0px);
  --tap:44px;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}

body{
  background:var(--bg);color:var(--ink);
  font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,
       "Helvetica Neue",Arial,sans-serif;
  -webkit-font-smoothing:antialiased;
}
@media(max-width:899px){
  body.has-mobilebar{padding-bottom:calc(74px + var(--safe-b))}
}

h1,h2,h3,h4{letter-spacing:-.015em}
a{color:var(--brand)}
img{max-width:100%;height:auto}
hr{border:0;border-top:1px solid var(--line);margin:26px 0}

/* ============================================================
   NAV
   ============================================================ */
.nav{position:sticky;top:0;z-index:60;background:var(--ink);padding-top:env(safe-area-inset-top,0px)}
.nav-inner{
  max-width:var(--maxw);margin:0 auto;display:flex;align-items:center;gap:12px;
  padding:0 16px;min-height:var(--nav-h);
}
.nav-brand{
  display:flex;align-items:center;gap:9px;color:#fff;text-decoration:none;
  font-weight:650;font-size:15px;white-space:nowrap;
}
.brand-mark{
  display:grid;place-items:center;width:26px;height:26px;border-radius:7px;
  background:var(--brand);color:#fff;font-size:11px;font-weight:700;letter-spacing:0;
}
.nav-links{display:none;gap:2px;margin-left:auto;align-items:center}
@media(min-width:900px){.nav-links{display:flex}}
.nav-links a{
  color:#cbd5e1;text-decoration:none;font-size:13.5px;font-weight:600;
  padding:8px 11px;border-radius:7px;white-space:nowrap;
  transition:color .15s,background .15s;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.10)}
.nav-links a[aria-current="page"]{color:#fff;background:rgba(255,255,255,.16)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:10px}
@media(min-width:900px){.nav-right{margin-left:0}}
.quota{font-size:12px;padding:4px 10px;border-radius:999px;background:rgba(255,255,255,.14);white-space:nowrap;color:#e2e8f0}
@media(max-width:520px){.quota{display:none}}

.nav-toggle{
  display:grid;place-items:center;width:40px;height:40px;border-radius:8px;
  background:rgba(255,255,255,.10);border:0;color:#fff;cursor:pointer;
}
@media(min-width:900px){.nav-toggle{display:none}}
.nav-drawer{display:none;background:#1e293b;border-top:1px solid rgba(255,255,255,.10)}
.nav-drawer.is-open{display:block}
@media(min-width:900px){.nav-drawer{display:none!important}}
.nav-drawer a{
  display:block;color:#e2e8f0;text-decoration:none;padding:14px 18px;
  font-size:15px;font-weight:600;border-bottom:1px solid rgba(255,255,255,.06);min-height:48px;
}
.nav-drawer a:hover{background:rgba(255,255,255,.06)}

/* ============================================================
   LAYOUT
   ============================================================ */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 16px}
.wrap-narrow{max-width:760px;margin:0 auto;padding:0 16px}
.section{padding:32px 0}
@media(min-width:820px){.section{padding:46px 0}}
.section-tight{padding:20px 0}
.screen{display:none}
.screen.is-active{display:block}

.eyebrow{font-size:12px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:var(--brand);margin:0 0 8px}
h1.hero-title{font-size:clamp(24px,5.4vw,38px);line-height:1.18;margin:6px 0 12px}
h2.h-sec{font-size:clamp(20px,3.4vw,27px);line-height:1.26;margin:0 0 12px}
h3.h-sub{font-size:17px;margin:26px 0 8px}
h4.h-mini{font-size:15px;margin:18px 0 6px}
.lede{font-size:16.5px;color:var(--ink-2);margin:0 0 16px;max-width:68ch}
p{margin:0 0 14px}
.muted{color:var(--ink-3)}
.tiny{font-size:13px;line-height:1.55}
.small{font-size:13.5px}
strong{font-weight:650}

ul.tight,ol.tight{margin:0 0 14px;padding-left:22px}
ul.tight li,ol.tight li{margin:6px 0;color:var(--ink-2)}

/* 关键点列表 */
.klist{list-style:none;padding:0;margin:0 0 16px}
.klist li{position:relative;padding-left:26px;margin:9px 0;color:var(--ink-2)}
.klist li::before{
  content:"";position:absolute;left:0;top:8px;width:13px;height:13px;
  border-radius:4px;background:var(--brand-soft);border:1px solid #bfdbfe;
}
.klist li strong{color:var(--ink)}

/* ============================================================
   ANSWER / DEFINITION BLOCKS  (AEO: quotable, self-contained)
   ============================================================ */
.answer{
  background:var(--surface);border:1px solid var(--line);
  border-left:4px solid var(--brand);border-radius:var(--radius-sm);
  padding:15px 17px;margin:0 0 18px;
}
.answer p:last-child{margin-bottom:0}
.answer .q{font-weight:650;color:var(--ink);margin:0 0 6px;font-size:15px}
.answer .a{color:var(--ink-2);margin:0;font-size:15px}

.def{
  background:#f8fafc;border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:15px 17px;margin:0 0 18px;
}
.def dl{margin:0}
.def dt{font-weight:650;font-size:13.5px;color:var(--ink);margin-top:10px}
.def dt:first-child{margin-top:0}
.def dd{margin:3px 0 0;font-size:14px;color:var(--ink-2)}

/* ============================================================
   CARDS / GRIDS
   ============================================================ */
.grid2{display:grid;gap:12px;grid-template-columns:1fr}
@media(min-width:700px){.grid2{grid-template-columns:1fr 1fr}}
.grid3{display:grid;gap:12px;grid-template-columns:1fr}
@media(min-width:640px){.grid3{grid-template-columns:1fr 1fr}}
@media(min-width:940px){.grid3{grid-template-columns:repeat(3,1fr)}}

.card-s{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:16px}
.card-s h3{margin:0 0 6px;font-size:15.5px}
.card-s p{margin:0;font-size:14px;color:var(--ink-2)}
.card-s .num{
  display:grid;place-items:center;width:26px;height:26px;border-radius:7px;
  background:var(--brand);color:#fff;font-size:12.5px;font-weight:700;margin-bottom:9px;
}

/* ============================================================
   TABLES
   ============================================================ */
.tscroll{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:0 0 18px}
.cmp{width:100%;border-collapse:collapse;font-size:14px;min-width:520px}
.cmp th,.cmp td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
.cmp thead th{background:#f8fafc;font-size:13px;color:var(--ink-2);font-weight:650}
.cmp tbody th{background:#fcfdff;font-weight:600;color:var(--ink)}
.cmp .yes{color:var(--ok);font-weight:650}
.cmp .no{color:#b91c1c;font-weight:650}
.cmp caption{caption-side:top;text-align:left;font-size:13px;color:var(--ink-3);padding:0 0 8px}

/* ============================================================
   PLANS
   ============================================================ */
.plans{display:grid;gap:12px;grid-template-columns:1fr}
@media(min-width:780px){.plans{grid-template-columns:repeat(3,1fr)}}
.plan{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:18px;display:flex;flex-direction:column;
}
.plan.is-feat{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}
.plan h3{margin:0 0 4px;font-size:16px}
.plan .price{font-size:28px;font-weight:700;letter-spacing:-.02em;margin:6px 0 2px}
.plan .price small{font-size:13px;font-weight:600;color:var(--ink-3)}
.plan .sub{font-size:13px;color:var(--ink-3);margin:0 0 12px}
.plan ul{list-style:none;padding:0;margin:0 0 16px;flex:1}
.plan ul li{font-size:14px;color:var(--ink-2);padding-left:20px;position:relative;margin:7px 0}
.plan ul li::before{content:"\2713";position:absolute;left:0;color:var(--ok);font-weight:700}
.badge{
  display:inline-block;font-size:11px;font-weight:700;letter-spacing:.05em;
  text-transform:uppercase;color:var(--brand);background:var(--brand-soft);
  border-radius:999px;padding:3px 9px;margin-bottom:8px;
}

/* ============================================================
   FAQ
   ============================================================ */
.faq-s{border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface);margin-bottom:8px}
.faq-s summary{
  padding:13px 15px;cursor:pointer;font-weight:600;font-size:15px;
  min-height:48px;display:flex;align-items:center;
}
.faq-s>div,.faq-s>p{padding:0 15px 14px;color:var(--ink-2);font-size:14px;margin:0}

/* ============================================================
   BUTTONS
   ============================================================ */
.row-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
.btn{
  appearance:none;border:1px solid transparent;min-height:var(--tap);padding:10px 18px;
  border-radius:var(--radius-sm);font:inherit;font-weight:600;font-size:15px;cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  text-decoration:none;transition:background .14s,border-color .14s,transform .06s;
  -webkit-tap-highlight-color:transparent;
}
.btn:active{transform:translateY(1px)}
.btn:focus-visible{outline:3px solid var(--brand);outline-offset:2px}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:#1a44bf}
.btn-buy{background:var(--brand-2);color:#fff}
.btn-buy:hover:not([disabled]){background:#045fc0}
.btn-ghost{background:var(--surface);color:var(--ink);border-color:var(--line-2)}
.btn-ghost:hover{background:#f1f5f9}
.btn-sm{min-height:38px;padding:8px 13px;font-size:14px}
.btn-lg{min-height:52px;padding:14px 26px;font-size:16px}
.btn[disabled]{opacity:.45;cursor:not-allowed}
.linkbtn{background:none;border:0;padding:0;color:var(--brand);font:inherit;font-weight:600;cursor:pointer;text-decoration:underline}

/* ============================================================
   TOOL
   ============================================================ */
.tool-frame{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:16px;
}
@media(min-width:820px){.tool-frame{padding:22px}}

.dropzone{
  background:var(--surface);border:2px dashed var(--line-2);border-radius:var(--radius);
  padding:26px 18px;text-align:center;cursor:pointer;
  transition:border-color .15s,background .15s,transform .1s;
  -webkit-tap-highlight-color:transparent;
}
.dropzone:focus-visible{outline:3px solid var(--brand);outline-offset:2px}
.dropzone.is-over{border-color:var(--brand);background:var(--brand-soft)}
.dz-icon{color:var(--ink-3);margin-bottom:8px}
.dz-title{font-weight:600;font-size:16px}
.dz-hint{color:var(--ink-3);font-size:13px;margin-top:5px}

.paste-box{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:0;margin-bottom:14px}
.paste-box summary{padding:12px 14px;cursor:pointer;font-weight:600;font-size:14.5px;min-height:var(--tap);display:flex;align-items:center}
.paste-box textarea{
  display:block;width:100%;border:1px solid var(--line);border-inline:0;border-radius:0;
  padding:11px 14px;font:13px/1.6 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  resize:vertical;background:#fcfdff;color:var(--ink);
}
.paste-box textarea:focus{outline:2px solid var(--brand);outline-offset:-2px}
.paste-box .row-actions{margin:0;padding:12px 14px}

.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:14px}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);padding:9px 11px}
.stat b{display:block;font-size:17px;line-height:1.25;font-variant-numeric:tabular-nums}
.stat span{font-size:12px;color:var(--ink-3)}
.stat.is-warn b{color:var(--warn)}

.workbar{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.workbar-meta{font-size:13.5px;color:var(--ink-3);font-weight:600}

.tablewrap{display:none}
@media(min-width:900px){.tablewrap{display:block}}
.grid{
  width:100%;border-collapse:separate;border-spacing:0;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;font-size:13px;
}
.grid th,.grid td{border-bottom:1px solid var(--line);border-right:1px solid var(--line);padding:0;text-align:left;vertical-align:top}
.grid th:last-child,.grid td:last-child{border-right:0}
.grid tr:last-child td{border-bottom:0}
.grid thead th{
  background:#f8fafc;position:sticky;top:var(--nav-h);z-index:10;
  font-size:12px;font-weight:650;color:var(--ink-2);padding:8px 9px;white-space:nowrap;
}
.cell-input{width:100%;border:0;background:transparent;padding:8px 9px;font:inherit;color:var(--ink);min-height:36px}
.cell-input:focus{outline:2px solid var(--brand);outline-offset:-2px;background:var(--brand-soft)}
.cell-input.is-warn{background:var(--warn-bg)}
.cell-num{font-variant-numeric:tabular-nums;text-align:right}
.cell-judge{font-weight:650}
.rowdel{border:0;background:none;color:var(--ink-3);cursor:pointer;font-size:16px;padding:9px 10px;min-height:36px}
.rowdel:hover{color:#b91c1c}
.empty{padding:26px 16px;text-align:center;color:var(--ink-3);font-size:14.5px}

.cards{display:grid;gap:10px}
@media(min-width:900px){.cards{display:none}}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden}
.card-head{display:flex;align-items:center;gap:8px;padding:9px 11px;background:#f8fafc;border-bottom:1px solid var(--line)}
.card-idx{
  width:24px;height:24px;border-radius:6px;background:var(--ink);color:#fff;
  font-size:12px;font-weight:700;display:grid;place-items:center;flex:none;
  font-variant-numeric:tabular-nums;
}
.card-src{font-size:12px;color:var(--ink-3);flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.card-del{border:0;background:none;color:var(--ink-3);cursor:pointer;font-size:17px;padding:4px 6px;min-height:32px}
.card-del:hover{color:#b91c1c}
.card-body{padding:5px 11px 11px}
.field{display:grid;grid-template-columns:104px 1fr;align-items:center;gap:8px;padding:3px 0}
.field label{font-size:12.5px;color:var(--ink-3);font-weight:600}
.field input{
  width:100%;border:1px solid var(--line);border-radius:7px;padding:8px 9px;
  font:inherit;font-size:15px;min-height:40px;background:#fff;color:var(--ink);
}
.field input:focus{outline:2px solid var(--brand);outline-offset:-1px;background:var(--brand-soft)}
.field input.is-warn{background:var(--warn-bg);border-color:#fcd34d}

.mobilebar{
  position:fixed;left:0;right:0;bottom:0;z-index:55;
  background:rgba(255,255,255,.97);backdrop-filter:saturate(180%) blur(8px);
  border-top:1px solid var(--line);padding:9px 14px calc(9px + var(--safe-b));
  display:flex;align-items:center;gap:12px;
}
@media(min-width:900px){.mobilebar{display:none!important}}
.mobilebar-info{
  flex:1;font-size:13.5px;font-weight:650;color:var(--ink-2);
  font-variant-numeric:tabular-nums;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}

.notice-bar{display:flex;gap:10px;align-items:flex-start;background:#f0f9ff;border:1px solid #bae6fd;border-radius:var(--radius-sm);padding:10px 12px;margin:0 0 12px;font-size:13.5px;color:#0c4a6e}
.trial-note{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;
  background:var(--brand-soft);border:1px solid #bfdbfe;border-radius:var(--radius-sm);
  padding:11px 13px;margin:0 0 14px;font-size:14px;color:#1e3a8a;
}
.trial-note .spacer{flex:1}

/* ============================================================
   MODAL
   ============================================================ */
.modal{position:fixed;inset:0;z-index:100;display:none;align-items:flex-end;justify-content:center;background:rgba(15,23,42,.55)}
.modal.is-open{display:flex}
@media(min-width:640px){.modal{align-items:center;padding:20px}}
.modal-card{
  position:relative;background:var(--surface);width:100%;max-width:540px;
  border-radius:16px 16px 0 0;max-height:92vh;overflow:auto;
  padding:22px 20px calc(20px + var(--safe-b));
}
@media(min-width:640px){.modal-card{border-radius:14px;padding:26px}}
.modal-card h2{margin:0 0 4px;font-size:20px}
.modal-sub{margin:0 0 16px;font-size:14px;color:var(--ink-3)}
.modal-close{
  position:absolute;top:14px;right:14px;width:36px;height:36px;border-radius:9px;
  border:0;background:#f1f5f9;color:var(--ink-2);cursor:pointer;
  display:grid;place-items:center;font-size:19px;line-height:1;
}
.ackbox{border:1px solid var(--line);border-radius:var(--radius-sm);padding:13px;margin:0 0 14px;background:#fbfcfe}
.ack{display:flex;gap:11px;align-items:flex-start;padding:9px 0;cursor:pointer;font-size:14px;line-height:1.5}
.ack + .ack{border-top:1px solid var(--line)}
.ack input{flex:none;width:20px;height:20px;margin:1px 0 0;accent-color:var(--brand);cursor:pointer}
.ack span{color:var(--ink-2)}
.ack b{color:var(--ink);font-weight:650}
.modal-actions{display:flex;gap:10px;flex-wrap:wrap}
.modal-actions .btn{flex:1;min-width:140px}
.summary-line{display:flex;justify-content:space-between;gap:12px;font-size:14.5px;padding:9px 0;border-bottom:1px solid var(--line)}
.summary-line:last-of-type{border-bottom:0;font-weight:700;font-size:15.5px}
.modal-foot{margin:14px 0 0;font-size:12.5px;color:var(--ink-3);line-height:1.55}
.modal-foot a{color:var(--brand)}

/* ============================================================
   LEGAL
   ============================================================ */
.legal{max-width:74ch}
.legal h2{font-size:19px;margin:28px 0 8px}
.legal h3{font-size:16px;margin:20px 0 6px}
.legal p,.legal li{font-size:14.5px;color:var(--ink-2)}
.legal .meta{font-size:13px;color:var(--ink-3);margin-bottom:20px}
.callout{background:var(--warn-bg);border:1px solid #fcd34d;border-radius:var(--radius-sm);padding:14px 16px;margin:18px 0;font-size:14px;color:#78350f}
.callout strong{color:#78350f}
.placeholder{background:#fef9c3;border-bottom:1px dashed #ca8a04;padding:0 3px;border-radius:2px;font-weight:600}

/* ============================================================
   FOOTER
   ============================================================ */
.foot-site{background:var(--ink);color:#94a3b8;margin-top:44px;padding:32px 0 26px;font-size:13.5px}
.foot-grid{max-width:var(--maxw);margin:0 auto;padding:0 16px;display:grid;gap:22px;grid-template-columns:1fr}
@media(min-width:700px){.foot-grid{grid-template-columns:1.5fr 1fr 1fr}}
.foot-site h4{color:#fff;font-size:12.5px;letter-spacing:.07em;text-transform:uppercase;margin:0 0 10px;font-weight:700}
.foot-site a{color:#cbd5e1;text-decoration:none;display:block;padding:4px 0}
.foot-site a:hover{color:#fff;text-decoration:underline}
.foot-legal{
  max-width:var(--maxw);margin:24px auto 0;padding:16px 16px 0;
  border-top:1px solid rgba(255,255,255,.12);font-size:12.5px;line-height:1.65;color:#94a3b8;
}
.foot-legal p{margin:0 0 7px}
.foot-legal strong{color:#cbd5e1}

/* ============================================================
   TOAST
   ============================================================ */
.toast{
  position:fixed;left:50%;bottom:calc(86px + var(--safe-b));transform:translate(-50%,12px);
  background:var(--ink);color:#fff;padding:10px 16px;border-radius:999px;
  font-size:14px;font-weight:600;opacity:0;pointer-events:none;
  transition:opacity .2s,transform .2s;z-index:120;max-width:88vw;text-align:center;
}
.toast.is-on{opacity:1;transform:translate(-50%,0)}
@media(min-width:900px){.toast{bottom:28px}}

@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}