.smstool-wrap{--fh:var(--font-clash), "Clash Display", system-ui, sans-serif;--fb:var(--font-dmsans), "DM Sans", system-ui, sans-serif;--blue:#2563eb}.smstool-wrap *{box-sizing:border-box;margin:0;padding:0}.smstool-wrap{font-family:var(--fb);color:#333;line-height:1.7}:is(.smstool-wrap h1,.smstool-wrap h2,.smstool-wrap h3,.smstool-wrap h4){font-family:var(--fh);color:#1a1a2e}.smstool-wrap a:not([class*=btn]){color:var(--blue);text-decoration:none}.smstool-wrap a:hover{text-decoration:underline}.smstool-container{max-width:1100px;margin:0 auto;padding:0 20px}.smstool-breadcrumb{color:#666;padding:18px 0;font-size:14px}.smstool-breadcrumb a:not([class*=btn]){color:var(--blue)}.smstool-breadcrumb span{color:#999;margin:0 6px}.smstool-hero{text-align:center;background:linear-gradient(135deg,#1a1a2e 0%,#16213e 100%);padding:60px 0}.smstool-hero h1{color:#fff;margin-bottom:16px;font-size:38px}.smstool-hero p{color:#b0bec5;max-width:720px;margin:0 auto;font-size:18px}.smstool-section{padding:60px 0}.smstool-section:nth-child(2n){background:#f8f9fa}.smstool-section-title{text-align:center;margin-bottom:12px;font-size:30px}.smstool-section-sub{text-align:center;color:#666;max-width:700px;margin-bottom:40px;margin-left:auto;margin-right:auto;font-size:16px}.smstool-card{background:#fff;border-radius:12px;margin-bottom:40px;padding:36px;box-shadow:0 4px 24px #00000014}.smstool-textarea{width:100%;min-height:180px;font-size:16px;font-family:var(--fb);resize:vertical;border:2px solid #e0e0e0;border-radius:8px;padding:16px;transition:border-color .2s}.smstool-textarea:focus{border-color:var(--blue);outline:none}.smstool-textarea::placeholder{color:#aaa}.smstool-stats{grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:16px;margin:24px 0;display:grid}.smstool-stat{text-align:center;background:#f8f9fa;border:1px solid #eee;border-radius:8px;padding:18px 16px}.smstool-stat-label{color:#777;text-transform:uppercase;letter-spacing:.5px;margin-bottom:6px;font-size:13px}.smstool-stat-value{color:#1a1a2e;font-size:26px;font-weight:700;font-family:var(--fh)}.smstool-stat-value.smstool-green{color:var(--green)}.smstool-stat-value.smstool-blue{color:var(--blue)}.smstool-progress-wrap{margin:20px 0}.smstool-progress-label{color:#666;justify-content:space-between;margin-bottom:6px;font-size:13px;display:flex}.smstool-progress-bar{background:#e9ecef;border-radius:6px;height:10px;overflow:hidden}.smstool-progress-fill{border-radius:6px;width:0;height:100%;transition:width .3s,background .3s}.smstool-progress-fill.smstool-bar-green{background:var(--green)}.smstool-progress-fill.smstool-bar-yellow{background:#ffc107}.smstool-progress-fill.smstool-bar-red{background:#dc3545}.smstool-warning{color:#856404;background:#fff3cd;border:1px solid #ffc107;border-radius:8px;margin:16px 0;padding:14px 18px;font-size:14px;display:none}.smstool-warning strong{color:#664d03}.smstool-btn{cursor:pointer;font-size:15px;font-weight:600;font-family:var(--fh);border:none;border-radius:6px;padding:12px 32px;transition:background .2s,transform .1s;display:inline-block}.smstool-btn:active{transform:scale(.97)}.smstool-btn-clear{background:#6c757d;color:#fff!important}.smstool-btn-clear:hover{background:#5a6268}.smstool-btn-primary{background:var(--blue);color:#fff!important}.smstool-btn-primary:hover{background:#1557b0}.smstool-btn-green{background:var(--green);color:#fff!important}.smstool-btn-green:hover{background:#218838}.smstool-btn-actions{flex-wrap:wrap;gap:12px;margin-top:20px;display:flex}.smstool-bulk{background:#f0f7ff;border-radius:10px;margin-top:30px;padding:28px}.smstool-bulk h3{color:#1a1a2e;margin-bottom:16px;font-size:20px}.smstool-bulk-row{flex-wrap:wrap;align-items:center;gap:16px;display:flex}.smstool-input-group{flex-direction:column;display:flex}.smstool-input-group label{color:#555;margin-bottom:4px;font-size:13px;font-weight:600}.smstool-input{width:180px;font-size:16px;font-family:var(--fb);border:2px solid #ddd;border-radius:6px;padding:10px 14px}.smstool-input:focus{border-color:var(--blue);outline:none}.smstool-bulk-result{flex-wrap:wrap;gap:24px;margin-top:18px;display:flex}.smstool-bulk-item{text-align:center;background:#fff;border:1px solid #d0e3ff;border-radius:8px;flex:1;min-width:200px;padding:16px 24px}.smstool-bulk-item .smstool-stat-label{font-size:12px}.smstool-bulk-item .smstool-stat-value{font-size:22px}.smstool-gsm-table{border-collapse:collapse;width:100%;margin:20px 0}.smstool-gsm-table th{color:#fff;text-align:left;font-family:var(--fh);background:#1a1a2e;padding:12px 16px;font-size:14px}.smstool-gsm-table td{border-bottom:1px solid #eee;padding:12px 16px;font-size:14px}.smstool-gsm-table tr:hover td{background:#f8f9fa}.smstool-char-list{flex-wrap:wrap;gap:8px;margin:16px 0;display:flex}.smstool-char-badge{background:#e9ecef;border:1px solid #ddd;border-radius:4px;padding:4px 10px;font-family:monospace;font-size:15px}.smstool-char-badge.smstool-ext{background:#fff3cd;border-color:#ffc107}.smstool-char-badge.smstool-uni{background:#f8d7da;border-color:#dc3545}.smstool-tips{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:24px;display:grid}.smstool-tip{border-left:4px solid var(--blue);background:#fff;border-radius:10px;padding:28px;box-shadow:0 2px 12px #0000000f}.smstool-tip h4{margin-bottom:10px;font-size:17px}.smstool-tip p{color:#555;font-size:14px}.smstool-faq{max-width:800px;margin:0 auto}.smstool-faq-item{background:#fff;border-radius:8px;margin-bottom:12px;overflow:hidden;box-shadow:0 1px 6px #0000000d}.smstool-faq-q{cursor:pointer;-webkit-user-select:none;user-select:none;font-size:16px;font-weight:600;font-family:var(--fh);justify-content:space-between;align-items:center;padding:18px 24px;display:flex}.smstool-faq-q:hover{background:#f8f9fa}.smstool-faq-q:after{content:"+";color:var(--blue);font-size:22px;transition:transform .2s}.smstool-faq-item.smstool-open .smstool-faq-q:after{content:"−"}.smstool-faq-a{color:#555;max-height:0;padding:0 24px;font-size:15px;line-height:1.8;transition:max-height .35s,padding .35s;overflow:hidden}.smstool-faq-item.smstool-open .smstool-faq-a{max-height:400px;padding:0 24px 20px}.smstool-cta{text-align:center;background:linear-gradient(135deg,#1a1a2e 0%,#16213e 100%);padding:60px 0}.smstool-cta h2{color:#fff;margin-bottom:14px;font-size:30px}.smstool-cta p{color:#b0bec5;margin-bottom:28px;font-size:16px}.smstool-related{flex-wrap:wrap;justify-content:center;gap:14px;display:flex}.smstool-related a{background:#fff;border:1px solid #e0e0e0;border-radius:8px;padding:12px 22px;font-size:14px;font-weight:600;transition:box-shadow .2s}.smstool-related a:hover{text-decoration:none;box-shadow:0 2px 10px #0000001a}.smstool-hp{opacity:0;width:0;height:0;position:absolute;left:-9999px;overflow:hidden}@media (max-width:768px){.smstool-hero{padding:40px 0}.smstool-hero h1{font-size:26px}.smstool-hero p{padding:0 16px;font-size:15px}.smstool-card{padding:22px}.smstool-stats{grid-template-columns:repeat(2,1fr)}.smstool-section{padding:40px 0}.smstool-section-title{font-size:24px}.smstool-bulk-row{flex-direction:column;align-items:stretch}.smstool-input{width:100%}.smstool-tips{grid-template-columns:1fr}.smstool-cta h2{font-size:24px}.smstool-gsm-table{font-size:13px}:is(.smstool-gsm-table th,.smstool-gsm-table td){padding:8px 10px}}@media (max-width:480px){.smstool-stats{grid-template-columns:1fr}.smstool-stat-value{font-size:22px}.smstool-btn-actions{flex-direction:column}.smstool-btn{text-align:center;width:100%}}