@media (max-width: 600px){.app-header{flex-direction:row;align-items:flex-start;justify-content:flex-start;min-height:64px;padding:8px;position:relative}.app-header img{position:absolute;top:8px;left:8px;margin:0!important;width:12vw!important;min-width:28px;max-width:48px;height:auto!important;box-sizing:border-box}.app-header button{width:25%;min-width:60px;max-width:120px;margin-left:auto;margin-right:8px;font-size:1rem}.app-header-title{margin-top:54px;font-size:1.2rem;text-align:center;width:100%}}@media (max-width: 600px){.app-header{flex-direction:row;align-items:center;justify-content:space-between;min-height:64px;padding:8px}.app-header img{margin:0!important;width:32px!important;height:32px!important;max-width:100%;box-sizing:border-box}.app-header-title{margin-top:10px;font-size:1.2rem;text-align:center;width:100%}}@media (max-width: 600px){.app-header{flex-direction:column;align-items:stretch;min-height:100px;padding:12px 8px}.app-header-top{display:flex;flex-direction:row;align-items:center;justify-content:space-between;width:100%;margin-bottom:8px}.app-header img{margin:0!important;width:36px!important;height:36px!important}.app-header button{margin:0!important;width:auto;font-size:1rem}.app-header-title{text-align:center;width:100%}}.app-header{display:flex;align-items:center;justify-content:center;gap:10px;padding:0 18px;position:relative;min-height:80px;font-family:Segoe UI,Arial,sans-serif;background:#fff}@media (max-width: 600px){.app-header{flex-direction:column;align-items:flex-start;min-height:100px;padding:12px 8px}.app-header img{position:static!important;margin:0 0 8px!important;width:36px!important;height:36px!important}.app-header>div{text-align:left!important;width:100%}.app-header button{position:static!important;margin-top:8px;width:100%;font-size:1rem}}body{background:#f6f8fa;font-family:Segoe UI,Arial,sans-serif;margin:0;padding:0}.app-header{background:#232f3e;color:#fff;padding:24px 0 16px;text-align:center;font-size:2rem;font-weight:600;letter-spacing:1px;box-shadow:0 2px 8px #0000000a}.container{max-width:900px;margin:32px auto;background:#fff;border-radius:12px;box-shadow:0 2px 16px #00000012;padding:32px 24px 24px}@media (max-width: 700px){.container{max-width:98vw;margin:12px auto;padding:16px 6px 12px;border-radius:8px}.optimization-section{flex-direction:column;gap:18px}.asin-form{flex-direction:column;gap:8px}.app-header{font-size:1.2rem;padding:16px 0 10px}}@media (max-width: 480px){.container{padding:8px 2px;border-radius:4px}.app-header{font-size:1rem;padding:10px 0 6px}.optimization-card{padding:10px 6px 8px}.history-section{margin-top:18px}}.asin-form{display:flex;gap:12px;margin-bottom:32px}.asin-form input{flex:1;padding:10px 14px;border:1px solid #d1d5db;border-radius:6px;font-size:1rem}.asin-form button{background:#f90;color:#232f3e;border:none;border-radius:6px;padding:10px 22px;font-size:1rem;font-weight:600;cursor:pointer;transition:background .2s}.asin-form button:disabled{background:#ffe0b2;color:#888;cursor:not-allowed}.optimization-section{display:flex;gap:32px;margin-bottom:32px}.optimization-card{flex:1;background:#f9fafb;border-radius:8px;box-shadow:0 1px 4px #0000000a;padding:20px 18px 18px}.optimization-card h3{margin-top:0;font-size:1.1rem;color:#232f3e;border-bottom:1px solid #e5e7eb;padding-bottom:6px}.optimization-card ul{padding-left:18px}.optimization-card p{margin:10px 0 0}.optimization-card .keywords{margin-top:10px;font-size:.98rem;color:#007185}.history-section{margin-top:32px}.history-table{width:100%;border-collapse:collapse;background:#fff;border-radius:8px;overflow:hidden;box-shadow:0 1px 4px #0000000a}.history-table th,.history-table td{padding:10px 12px;border-bottom:1px solid #e5e7eb;text-align:left}.history-table th{background:#f3f4f6;color:#232f3e;font-weight:600}.history-table tr:last-child td{border-bottom:none}body{font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial;margin:16px}.container{max-width:1100px;margin:0 auto}.card{background:#fff;border:1px solid #e6e6e6;padding:16px;border-radius:8px;box-shadow:0 1px 2px #00000008}.grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}button{padding:8px 12px;border-radius:6px;border:none;background:#2563eb;color:#fff;cursor:pointer}input{padding:8px;border:1px solid #ddd;border-radius:6px;width:320px}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:8px;border-bottom:1px solid #eee}small{color:#666}