*{box-sizing:border-box}
body{margin:0;font-family:Arial,Helvetica,sans-serif;background:#0b0d12;color:#fff}
a{text-decoration:none;color:inherit}
.site-header{display:flex;justify-content:space-between;align-items:center;padding:15px 5%;background:#111827;border-bottom:1px solid #263244;position:sticky;top:0;z-index:10}
.brand{display:flex;align-items:center;gap:10px;font-weight:900;font-size:22px}
.brand img,.logo-fallback{width:42px;height:42px;border-radius:12px;object-fit:cover;background:#25d366;color:#07130c;display:flex;align-items:center;justify-content:center;font-weight:900}
nav{display:flex;gap:8px;flex-wrap:wrap}
nav a{background:#1f2937;padding:9px 12px;border-radius:999px;font-size:14px}
main{padding:28px 5%}
.hero{display:grid;grid-template-columns:1.15fr .85fr;gap:22px;align-items:center}
.hero h1{font-size:44px;line-height:1.05;margin:0 0 14px}
.hero p,.card p,.panel p{color:#b8c2d6}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:24px}
.card,.panel{background:#121826;border:1px solid #273248;border-radius:24px;padding:22px;box-shadow:0 12px 35px rgba(0,0,0,.25)}
.btn,button{border:0;background:#25d366;color:#07130c;font-weight:900;padding:12px 16px;border-radius:14px;cursor:pointer;display:inline-block;margin:4px 4px 4px 0}
.btn.dark,button.dark{background:#263244;color:#fff}
input,textarea,select{width:100%;background:#0f172a;color:#fff;border:1px solid #334155;border-radius:14px;padding:12px;margin:7px 0 14px;font-size:15px}
textarea{min-height:115px;resize:vertical}
.tool-grid{display:grid;grid-template-columns:380px 1fr;gap:22px;align-items:start}
.preview-wrap{display:flex;justify-content:center}
.phone{width:365px;max-width:100%;background:#101820;border:10px solid #05070a;border-radius:38px;overflow:hidden;box-shadow:0 20px 70px rgba(0,0,0,.45)}
.wa-top{background:#202c33;padding:14px;display:flex;align-items:center;gap:10px}
.avatar{width:42px;height:42px;border-radius:50%;background:#475569;object-fit:cover}
.wa-name{font-weight:900}.wa-status{font-size:12px;color:#a7b7c5}
.wa-screen{background:#0b141a;padding:16px;min-height:520px;background-image:radial-gradient(rgba(255,255,255,.045) 1px, transparent 1px);background-size:18px 18px}
.bubble{max-width:78%;padding:9px 10px;border-radius:12px;margin:8px 0;white-space:pre-wrap;font-size:14px;overflow:hidden}
.left{background:#202c33;margin-right:auto;border-top-left-radius:2px}
.right{background:#005c4b;margin-left:auto;border-top-right-radius:2px}
.bubble img{width:100%;border-radius:10px;margin-top:6px;display:block}
.time{font-size:10px;color:#cbd5e1;text-align:right;margin-top:4px}
.typing{display:flex;gap:5px;width:max-content}.dot{width:6px;height:6px;background:#b8c2d6;border-radius:50%}
.salary-paper{width:390px;max-width:100%;background:#fff;color:#111;padding:24px;border-radius:18px}
.salary-paper h2{margin:0 0 8px}.row{display:flex;justify-content:space-between;border-bottom:1px dashed #bbb;padding:10px 0;gap:15px}.total{font-size:21px;font-weight:900}
.note-phone{width:365px;max-width:100%;background:#f8f1cf;color:#111;border:10px solid #05070a;border-radius:38px;padding:24px;min-height:620px}
.note-phone h2{margin:0 0 16px;color:#9b7a00}.note-content{white-space:pre-wrap;font-size:20px;line-height:1.45}
.notice{background:#3b2f0b;color:#ffe8a3;padding:12px;border-radius:14px;margin:10px 0}
.footer{text-align:center;padding:26px;color:#9ca3af;background:#080b10;margin-top:42px}
.admin-wrap{max-width:980px;margin:auto}
hr{border:0;border-top:1px solid #334155;margin:20px 0}
@media(max-width:900px){.hero,.tool-grid,.grid{grid-template-columns:1fr}.hero h1{font-size:34px}.site-header{align-items:flex-start;gap:12px;flex-direction:column}}