:root{--teal:#075f61;--teal2:#0b7777;--gold:#c9a85d;--ink:#173235;--muted:#6d7c7e;--bg:#f4f7f6;--white:#fff;--line:#e1e8e6;--shadow:0 18px 55px rgba(10,47,49,.08)}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}.app-shell{min-height:100vh}.topbar{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.94);backdrop-filter:blur(16px);border-bottom:1px solid var(--line);padding:13px max(18px,calc((100vw - 1180px)/2));display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:12px}.brand-logo{width:56px;height:56px;border-radius:50%;object-fit:cover;border:2px solid #fff;box-shadow:0 5px 18px rgba(0,0,0,.1)}.eyebrow{font-size:10px;letter-spacing:.16em;font-weight:900;color:var(--gold)}h1{font-family:Georgia,serif;font-size:22px;font-weight:500;margin:2px 0;color:var(--teal)}.container{width:min(1180px,92vw);margin:28px auto 60px}.hero-card{background:linear-gradient(135deg,#075f61,#0a7373);color:#fff;border-radius:28px;padding:34px;display:flex;justify-content:space-between;align-items:center;box-shadow:var(--shadow);overflow:hidden}.hero-card h2{font-family:Georgia,serif;font-weight:500;font-size:34px;line-height:1.08;max-width:700px;margin:10px 0}.hero-card p{max-width:650px;color:#dceeed;line-height:1.6}.pill{display:inline-flex;padding:7px 11px;border-radius:999px;background:rgba(255,255,255,.13);font-size:12px;font-weight:800}.hero-mark{width:90px;height:90px;border:1px solid rgba(255,255,255,.4);border-radius:50%;display:grid;place-items:center;font:50px Georgia,serif;color:#e9d59c;transform:rotate(-12deg)}.panel{background:var(--white);border:1px solid var(--line);border-radius:22px;padding:24px;margin-top:18px;box-shadow:var(--shadow)}.section-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}.section-title h3{margin:5px 0 0;font-size:20px}.input-row{display:grid;grid-template-columns:1fr auto;gap:10px}.input-row input,input{width:100%;border:1px solid #d6dfdd;background:#fff;border-radius:13px;padding:14px 15px;font-size:15px;outline:none;color:var(--ink)}input:focus,textarea:focus{border-color:var(--teal);box-shadow:0 0 0 3px rgba(7,95,97,.08)}button{font:inherit}.primary-btn,.secondary-btn,.ghost-btn{border:0;border-radius:12px;padding:13px 18px;font-weight:800;cursor:pointer;transition:.2s}.primary-btn{background:var(--teal);color:#fff}.primary-btn:hover{background:var(--teal2);transform:translateY(-1px)}.secondary-btn{background:#edf4f3;color:var(--teal)}.ghost-btn{background:transparent;color:var(--teal);border:1px solid var(--line)}.hint{font-size:12px;color:var(--muted);line-height:1.5;margin:10px 0 0}.platform-badge{padding:8px 11px;border-radius:999px;background:#edf4f3;color:var(--teal);font-size:11px;font-weight:900}.hidden{display:none!important}.loading{display:flex;align-items:center;gap:15px}.spinner{width:24px;height:24px;border:3px solid #dce8e6;border-top-color:var(--teal);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.workspace{display:grid;grid-template-columns:1.15fr .85fr;gap:18px;margin-top:18px}.workspace .panel{margin-top:0}.product-preview{display:grid;grid-template-columns:260px 1fr;gap:22px}.product-image-wrap{height:310px;background:#f3f6f5;border:1px solid var(--line);border-radius:18px;display:grid;place-items:center;overflow:hidden}.product-image-wrap img{max-width:100%;max-height:100%;object-fit:contain}.product-info label{font-size:12px;font-weight:800;display:block;margin-bottom:12px;color:#435657}.product-info label input{margin-top:6px;font-weight:500}.two-cols{display:grid;grid-template-columns:1fr 1fr;gap:10px}.notice{background:#fff8e8;border:1px solid #f0dfad;color:#6f5a24;border-radius:12px;padding:12px;font-size:12px;line-height:1.5;margin:4px 0 12px}.message-panel textarea{width:100%;min-height:340px;resize:vertical;border:1px solid var(--line);border-radius:16px;padding:16px;font:14px/1.55 Inter,system-ui,sans-serif;color:var(--ink);background:#fbfcfc;outline:none}.actions{display:flex;gap:9px;flex-wrap:wrap;margin-top:12px}.success-text{min-height:18px;color:#16734a;font-size:12px;font-weight:700}.tips-panel ol{margin:12px 0 0;padding-left:20px;color:var(--muted);line-height:1.9;font-size:14px}footer{text-align:center;color:#8a9697;font-size:12px;padding:0 0 30px}@media(max-width:850px){.hero-card h2{font-size:28px}.hero-mark{display:none}.workspace{grid-template-columns:1fr}.product-preview{grid-template-columns:1fr}.product-image-wrap{height:270px}}@media(max-width:600px){.container{width:94vw;margin-top:18px}.topbar{padding:10px 12px}.brand-logo{width:48px;height:48px}h1{font-size:18px}.hero-card,.panel{padding:18px;border-radius:19px}.input-row{grid-template-columns:1fr}.two-cols{grid-template-columns:1fr}.actions>*{width:100%}.hero-card h2{font-size:25px}}