:root{
  --bg:#f4f8fc;--panel:#ffffff;--ink:#102033;--muted:#60748b;--line:#d9e4ef;--primary:#0f7dff;--primary2:#12c2c9;--dark:#08131f;--dark2:#0d1d2f;--shadow:0 18px 45px rgba(16,32,51,.12);--radius:22px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Microsoft YaHei","PingFang SC","Noto Sans SC",sans-serif;background:linear-gradient(180deg,#edf5ff 0,#f8fbff 34%,#f4f8fc 100%);color:var(--ink);line-height:1.65}
a{text-decoration:none;color:inherit}
.shell{min-height:100vh}
.topbar{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.85);backdrop-filter:blur(16px);border-bottom:1px solid rgba(16,32,51,.08)}
.topbar-inner{max-width:1480px;margin:0 auto;padding:16px 24px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.brand{display:flex;align-items:center;gap:12px}
.mark{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,var(--primary2),var(--primary));color:#fff;font-weight:800;box-shadow:var(--shadow)}
.brand strong{display:block;font-size:1.02rem}
.brand span{display:block;font-size:.82rem;color:var(--muted)}
.nav{display:flex;gap:20px;flex-wrap:wrap;color:#32465c;font-size:.95rem}
.nav a:hover{color:var(--primary)}
.cta{padding:11px 18px;border-radius:999px;background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff;font-weight:700;box-shadow:0 10px 26px rgba(15,125,255,.22)}
.page{max-width:1480px;margin:0 auto;padding:0 24px 36px}
.workspace{display:grid;grid-template-columns: 1.12fr 1.55fr; gap:18px; align-items:start}
.leftpane,.rightpane{min-width:0}
.leftpane{background:var(--panel);border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);overflow:hidden}
.leftpane-head{padding:18px 18px 14px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,#ffffff,#f7fbff)}
.leftpane-head h1{margin:6px 0 8px;font-size:1.32rem;line-height:1.25}
.eyebrow{font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;color:var(--primary);font-weight:700}
.leftpane-body{padding:18px}
.copy{color:#23384e;margin:0 0 16px}
.chips{display:flex;gap:10px;flex-wrap:wrap;margin:16px 0 18px}
.chip{padding:8px 12px;border-radius:999px;background:#eef5ff;color:#24507e;font-size:.86rem;border:1px solid #d8e7fb}
.assets{display:grid;grid-template-columns:1fr;gap:10px;margin:14px 0 18px}
.asset{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 14px;border:1px solid var(--line);border-radius:14px;background:#fff}
.asset b{display:block;font-size:.95rem}
.asset small{color:var(--muted)}
.asset .btn{padding:7px 10px;border-radius:10px;border:1px solid var(--line);background:#f9fbfd;font-size:.86rem;color:#31465c}
.notes{padding:10px 14px;border-left:4px solid var(--primary);background:#f6faff;border-radius:12px;color:#38526e;font-size:.93rem}
.rightpane{background:var(--dark);border-radius:24px;box-shadow:var(--shadow);overflow:hidden;border:1px solid rgba(16,32,51,.08)}
.browserbar{height:46px;background:linear-gradient(180deg,#f9fbfe,#eef4fa);border-bottom:1px solid rgba(16,32,51,.08);display:flex;align-items:center;justify-content:center;color:#42576f;font-size:.92rem}
.preview{min-height:940px;background:radial-gradient(circle at 80% 20%, rgba(51,191,255,.12), transparent 28%), linear-gradient(180deg, rgba(6,15,26,.96), rgba(7,18,31,.98));color:#fff}
.hero{position:relative;min-height:620px;overflow:hidden;color:#fff;border-radius:0 0 24px 24px}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg, rgba(6,15,26,.88) 0%, rgba(6,15,26,.72) 44%, rgba(6,15,26,.28) 100%), url('assets/deeplogic-hero.png') center/cover no-repeat;filter:saturate(.95)}
.hero-inner{position:relative;z-index:1;max-width:1220px;margin:0 auto;padding:84px 28px 44px}
.hero-top{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 0 20px}
.hero-brand{display:flex;align-items:center;gap:12px}
.hero-brand .mark{width:42px;height:42px;background:#29d2c6;color:#09202a;box-shadow:none}
.hero-brand strong{display:block;font-size:1.04rem}
.hero-brand span{display:block;font-size:.78rem;color:#aac3dd}
.hero-nav{display:flex;gap:16px;flex-wrap:wrap;color:#cfe0f4;font-size:.92rem}
.hero-nav a:hover{color:#fff}
.hero-cta{padding:10px 14px;border-radius:10px;background:#fff;color:#102033;font-weight:700}
.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:end;padding-top:24px}
.hero-kicker{font-size:.8rem;letter-spacing:.1em;color:#2ed6ff;font-weight:700;margin:0 0 18px;text-transform:uppercase}
.hero-title{font-size:clamp(3rem,5.2vw,4.9rem);line-height:.98;margin:0 0 18px;font-weight:900;letter-spacing:0;max-width:1080px;white-space:nowrap}
.hero-copy{max-width:720px;font-size:1.05rem;color:#dce8f7;margin:0 0 20px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:24px}
.btn-primary,.btn-secondary{padding:13px 18px;border-radius:10px;font-weight:800;display:inline-flex;align-items:center;justify-content:center}
.btn-primary{background:linear-gradient(135deg,#1fe0c5,#36b4ff);color:#03212e}
.btn-secondary{border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.08);color:#fff}
.card .btn-secondary{border-color:var(--line);background:#fff;color:var(--ink)}
.hero-metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-top:14px}
.metric{padding:18px;border-radius:16px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);backdrop-filter:blur(10px)}
.metric b{display:block;font-size:1.9rem;line-height:1;color:#fff}
.metric span{display:block;margin-top:6px;font-size:.92rem;color:#c9dbef}
.hero-side{padding-bottom:10px}
.side-card{background:rgba(7,18,31,.72);border:1px solid rgba(255,255,255,.12);border-radius:20px;padding:18px;backdrop-filter:blur(8px)}
.side-card h3{margin:0 0 10px;font-size:1.05rem}
.side-card p{margin:0 0 12px;color:#d7e6f5}
.side-card ul{margin:0 0 0 18px;color:#d7e6f5;padding:0}
.section{background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);margin-top:18px;overflow:hidden}
.section-inner{padding:28px}
.section-head{display:flex;justify-content:space-between;gap:20px;align-items:flex-end;margin-bottom:20px}
.section-head h2{margin:6px 0 0;font-size:1.95rem;line-height:1.2}
.section-head p{margin:0;color:var(--muted);max-width:760px}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.card{background:linear-gradient(180deg,#fff,#f8fbff);border:1px solid var(--line);border-radius:18px;padding:18px}
.card h3{margin:0 0 10px;font-size:1.06rem}
.card p{margin:0;color:#334b62}
.card .tag{display:inline-block;margin-bottom:12px;color:var(--primary);font-weight:700;font-size:.82rem;letter-spacing:.04em;text-transform:uppercase}
.compare{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.compare .card strong{color:var(--primary)}
.service-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.proof{display:grid;grid-template-columns:.95fr 1.05fr;gap:14px}
.timeline article{padding:14px 0;border-bottom:1px solid var(--line)}
.timeline article:last-child{border-bottom:0;padding-bottom:0}
.timeline time{color:var(--primary);font-size:.9rem;font-weight:700}
.timeline h3{margin:6px 0 6px}
.timeline p{margin:0;color:#41586f}
.facts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.fact{padding:20px;border-radius:16px;background:#f9fcff;border:1px solid var(--line)}
.fact b{display:block;font-size:1.8rem;color:var(--primary)}
.fact span{display:block;color:var(--muted);margin-top:5px}
.vision{background:linear-gradient(135deg,#f8fcff,#eef7ff)}
.contact{display:grid;grid-template-columns:.88fr 1.12fr;gap:14px}
.form{display:grid;gap:10px}
label{font-size:.9rem;color:#52657a}
input,select{width:100%;padding:12px 14px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--ink);font:inherit}
.form-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:8px}
.form-note{font-size:.88rem;color:var(--muted);margin:0}
.footer{padding:18px 24px 26px;color:#5c7085;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.footer strong{display:block;color:var(--ink)}
.footer div{display:flex;flex-direction:column;gap:6px}
@media (max-width:1200px){.workspace{grid-template-columns:1fr}.preview{min-height:auto}}
@media (max-width:920px){.topbar-inner{flex-wrap:wrap}.nav{width:100%;order:3;justify-content:space-between}.hero-grid,.proof,.contact,.compare,.service-list,.grid-4,.grid-3{grid-template-columns:1fr}.hero-title{font-size:clamp(2.4rem,10vw,4.1rem);white-space:normal}.hero-metrics{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:640px){.page,.topbar-inner{padding-left:14px;padding-right:14px}.hero-metrics{grid-template-columns:1fr}.section-inner{padding:20px}.hero-inner{padding:18px 16px 28px}}