/* DXTools — 多开工作台 独立站样式 */
*,*::before,*::after{box-sizing:border-box}
:root{
  --ink:#0e1726; --ink-2:#334155; --ink-3:#64748b; --line:#e2e8f0; --line-2:#cbd5e1;
  --bg:#ffffff; --bg-2:#f8fafc; --bg-3:#f1f5f9;
  --brand:#0f766e; --brand-2:#14b8a6; --brand-soft:#ecfdf5; --brand-line:#99f6e4;
  --warn:#b45309; --radius:14px; --radius-lg:22px;
  --shadow:0 1px 2px rgba(15,23,42,.04),0 8px 24px -12px rgba(15,23,42,.12);
  --max:1160px;
}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.65;-webkit-font-smoothing:antialiased;font-size:16px}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-.015em;font-weight:650}
p{margin:0}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* header */
.site-head{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.86);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line)}
.site-head .wrap{display:flex;align-items:center;gap:28px;height:64px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;letter-spacing:-.02em}
.logo .mark{width:28px;height:28px;border-radius:8px;background:var(--brand);display:grid;place-items:center;color:#fff;font-size:14px;font-weight:700}
.logo .tag{font-size:11px;font-weight:600;color:var(--brand);background:var(--brand-soft);border:1px solid var(--brand-line);padding:1px 7px;border-radius:999px;letter-spacing:0}
.nav{display:flex;gap:4px;margin-left:8px}
.nav a{padding:8px 12px;border-radius:9px;font-size:14.5px;color:var(--ink-2);font-weight:500}
.nav a:hover{background:var(--bg-3);color:var(--ink)}
.head-cta{margin-left:auto;display:flex;align-items:center;gap:10px}
.lang{font-size:13px;color:var(--ink-3);padding:7px 10px;border:1px solid var(--line);border-radius:9px}
.lang:hover{border-color:var(--line-2);color:var(--ink)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:42px;padding:0 20px;border-radius:11px;
  font-size:14.5px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:.16s ease;white-space:nowrap}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:#0b5f59}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line-2)}
.btn-ghost:hover{background:var(--bg-3);border-color:#94a3b8}
.btn-sm{height:36px;padding:0 14px;font-size:13.5px;border-radius:9px}

/* hero */
.hero{padding:76px 0 64px;background:
  radial-gradient(900px 420px at 78% -10%,#ecfdf5 0%,transparent 60%),
  linear-gradient(180deg,#fbfdfd 0%,#fff 100%)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand);
  background:var(--brand-soft);border:1px solid var(--brand-line);padding:5px 12px;border-radius:999px}
.hero h1{font-size:46px;line-height:1.14;margin:18px 0 0;letter-spacing:-.03em}
.hero h1 em{font-style:normal;color:var(--brand)}
.hero .lead{margin-top:18px;font-size:17.5px;color:var(--ink-2);max-width:520px}
.hero-actions{display:flex;gap:12px;margin-top:28px;flex-wrap:wrap}
.hero-note{margin-top:16px;font-size:13.5px;color:var(--ink-3)}
.trust{display:flex;gap:26px;margin-top:34px;padding-top:22px;border-top:1px solid var(--line);flex-wrap:wrap}
.trust div b{display:block;font-size:20px;letter-spacing:-.02em}
.trust div span{font-size:12.5px;color:var(--ink-3)}

/* product mock */
.mock{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow);overflow:hidden}
.mock-bar{display:flex;align-items:center;gap:6px;padding:11px 14px;border-bottom:1px solid var(--line);background:var(--bg-2)}
.dot{width:9px;height:9px;border-radius:50%}
.mock-url{margin-left:10px;font-size:11.5px;color:var(--ink-3);background:#fff;border:1px solid var(--line);border-radius:6px;padding:3px 10px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.mock-body{padding:16px;display:grid;gap:10px}
.mock-row{display:flex;align-items:center;gap:10px;padding:11px 12px;border:1px solid var(--line);border-radius:10px;background:#fff}
.mock-row .av{width:26px;height:26px;border-radius:7px;background:var(--brand-soft);border:1px solid var(--brand-line);display:grid;place-items:center;font-size:11px;color:var(--brand);font-weight:700}
.mock-row .nm{font-size:12.5px;font-weight:600;color:var(--ink)}
.mock-row .sub{font-size:11px;color:var(--ink-3)}
.mock-row .st{margin-left:auto;font-size:10.5px;font-weight:600;padding:2px 8px;border-radius:999px}
.st-on{color:#0f766e;background:#ecfdf5;border:1px solid #a7f3d0}
.st-idle{color:#64748b;background:#f1f5f9;border:1px solid #e2e8f0}

/* sections */
section{padding:74px 0}
.sec-head{max-width:660px;margin-bottom:40px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.kicker{font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--brand)}
.sec-head h2{font-size:33px;margin:10px 0 0;letter-spacing:-.025em}
.sec-head p{margin-top:14px;color:var(--ink-2);font-size:16.5px}
.alt{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

.grid{display:grid;gap:18px}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.card .ic{width:38px;height:38px;border-radius:10px;background:var(--brand-soft);border:1px solid var(--brand-line);
  display:grid;place-items:center;color:var(--brand);font-size:17px;margin-bottom:14px}
.card h3{font-size:16.5px;margin-bottom:8px}
.card p{font-size:14px;color:var(--ink-2)}
.card:hover{border-color:var(--brand-line);box-shadow:var(--shadow)}

.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;counter-reset:s}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px 24px}
.step .no{width:30px;height:30px;border-radius:50%;background:var(--brand);color:#fff;font-size:13px;font-weight:700;
  display:grid;place-items:center;margin-bottom:14px}
.step h3{font-size:16px;margin-bottom:8px}
.step p{font-size:14px;color:var(--ink-2)}

/* pricing */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;align-items:stretch}
.plan{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px;display:flex;flex-direction:column}
.plan.featured{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}
.plan .pname{font-size:15px;font-weight:700}
.plan .pdesc{font-size:13px;color:var(--ink-3);margin-top:4px;min-height:38px}
.plan .amt{font-size:34px;font-weight:700;letter-spacing:-.03em;margin:12px 0 2px}
.plan .amt small{font-size:14px;font-weight:500;color:var(--ink-3);letter-spacing:0}
.plan .per{font-size:12.5px;color:var(--ink-3)}
.plan ul{list-style:none;padding:0;margin:18px 0 22px;display:grid;gap:9px}
.plan li{font-size:13.5px;color:var(--ink-2);padding-left:22px;position:relative}
.plan li::before{content:"";position:absolute;left:0;top:6px;width:14px;height:14px;border-radius:50%;
  background:var(--brand-soft);border:1px solid var(--brand-line)}
.plan .btn{margin-top:auto;width:100%}
.badge{font-size:11px;font-weight:700;color:var(--brand);background:var(--brand-soft);border:1px solid var(--brand-line);
  padding:2px 8px;border-radius:999px;margin-left:8px}

/* faq */
.faq{max-width:820px;margin:0 auto}
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:0 20px;margin-bottom:10px}
.faq details[open]{border-color:var(--brand-line)}
.faq summary{cursor:pointer;list-style:none;padding:17px 0;font-weight:600;font-size:15px;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--brand);font-size:20px;font-weight:400;line-height:1}
.faq details[open] summary::after{content:"\2212"}
.faq .a{padding:0 0 18px;color:var(--ink-2);font-size:14.5px}

/* cta band */
.band{background:linear-gradient(135deg,#0f766e,#115e59);color:#fff;border-radius:var(--radius-lg);padding:48px;display:flex;
  align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.band h2{font-size:29px;letter-spacing:-.02em}
.band p{color:#c7f0ea;margin-top:8px;font-size:15px;max-width:560px}
.band .btn-primary{background:#fff;color:var(--brand)}
.band .btn-primary:hover{background:#f0fdfa}

/* footer */
footer{border-top:1px solid var(--line);background:var(--bg-2);padding:56px 0 34px}
.foot-grid{display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:32px}
.foot-brand p{font-size:13.5px;color:var(--ink-3);margin-top:12px;max-width:280px}
.foot-col h4{font-size:13px;color:var(--ink);margin-bottom:12px}
.foot-col a{display:block;font-size:13.5px;color:var(--ink-3);padding:5px 0}
.foot-col a:hover{color:var(--brand)}
.foot-bot{margin-top:40px;padding-top:22px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.5px;color:var(--ink-3)}

/* prose (blog) */
.prose{max-width:760px;margin:0 auto}
.prose h1{font-size:36px;letter-spacing:-.03em;margin-bottom:14px}
.prose .meta{color:var(--ink-3);font-size:13.5px;margin-bottom:26px}
.prose h2{font-size:23px;margin:36px 0 12px}
.prose h3{font-size:18px;margin:26px 0 10px}
.prose p{color:var(--ink-2);font-size:16px;margin:14px 0}
.prose ul,.prose ol{color:var(--ink-2);font-size:16px;padding-left:22px}
.prose li{margin:8px 0}
.prose blockquote{margin:22px 0;padding:14px 20px;border-left:3px solid var(--brand);background:var(--brand-soft);border-radius:0 10px 10px 0;color:var(--ink-2)}
.prose .tip{background:var(--bg-3);border:1px solid var(--line);border-radius:12px;padding:18px 20px;margin:22px 0;font-size:14.5px;color:var(--ink-2)}

/* app demo */
.app-shell{display:grid;grid-template-columns:230px 1fr;min-height:calc(100vh - 64px)}
.app-side{border-right:1px solid var(--line);background:var(--bg-2);padding:18px 14px;position:sticky;top:64px;height:calc(100vh - 64px);overflow:auto}
.app-side .grp{font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);margin:18px 8px 8px}
.app-side a{display:flex;align-items:center;gap:9px;padding:9px 10px;border-radius:9px;font-size:13.5px;color:var(--ink-2);font-weight:500}
.app-side a.on{background:#fff;color:var(--brand);border:1px solid var(--brand-line);font-weight:600}
.app-side a:hover{background:#fff}
.app-main{padding:28px 30px 50px;min-width:0}
.app-top{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:22px;flex-wrap:wrap}
.app-top h1{font-size:22px;letter-spacing:-.02em}
.app-top p{font-size:13px;color:var(--ink-3);margin-top:3px}
.tbl{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.tbl th{text-align:left;font-size:12px;font-weight:600;color:var(--ink-3);background:var(--bg-2);padding:11px 14px;border-bottom:1px solid var(--line)}
.tbl td{padding:12px 14px;font-size:13.5px;border-bottom:1px solid var(--line);color:var(--ink-2)}
.tbl tr:last-child td{border-bottom:0}
.tbl tr:hover td{background:#fbfdfd}
.pill{display:inline-flex;align-items:center;gap:5px;font-size:11.5px;font-weight:600;padding:2px 9px;border-radius:999px}
.pill.on{color:#0f766e;background:#ecfdf5;border:1px solid #a7f3d0}
.pill.off{color:#64748b;background:#f1f5f9;border:1px solid #e2e8f0}
.pill.warn{color:#b45309;background:#fffbeb;border:1px solid #fde68a}
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:22px}
.stat{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 18px}
.stat .k{font-size:12px;color:var(--ink-3)}
.stat .v{font-size:25px;font-weight:700;letter-spacing:-.03em;margin-top:5px}
.stat .d{font-size:11.5px;color:var(--brand);margin-top:2px}

/* responsive */
@media (max-width:980px){
  .hero-grid{grid-template-columns:1fr;gap:38px}
  .hero h1{font-size:36px}
  .g3,.g4,.steps,.price-grid,.stat-row{grid-template-columns:1fr}
  .g4{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
  .nav{display:none}
  .app-shell{grid-template-columns:1fr}
  .app-side{position:static;height:auto;border-right:0;border-bottom:1px solid var(--line)}
  .app-side a{display:inline-flex}
  .band{padding:34px}
}
@media (max-width:620px){
  .hero{padding:48px 0 40px}
  .hero h1{font-size:30px}
  section{padding:52px 0}
  .sec-head h2{font-size:26px}
  .g4{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .grid .card{padding:20px}
  .tbl{display:block;overflow-x:auto}
}