.sm-hero { background:#0d1a3a; background-image:radial-gradient(ellipse 70% 90% at 5% 55%,rgba(37,99,235,.45) 0%,transparent 60%),radial-gradient(ellipse 55% 65% at 95% 15%,rgba(6,182,212,.25) 0%,transparent 55%),repeating-linear-gradient(0deg,transparent,transparent 39px,rgba(255,255,255,.022) 40px),repeating-linear-gradient(90deg,transparent,transparent 39px,rgba(255,255,255,.022) 40px); padding:80px 0 88px; overflow:hidden; position:relative; }
    .sm-eyebrow { display:inline-flex; align-items:center; gap:7px; background:rgba(37,99,235,.18); border:1px solid rgba(59,130,246,.4); border-radius:30px; padding:5px 16px; font-size:.72rem; font-weight:700; color:#93c5fd; letter-spacing:.05em; text-transform:uppercase; margin-bottom:22px; }
    .sm-title { font-size:clamp(2.2rem,4.5vw,3.6rem); font-weight:900; color:#fff; line-height:1.1; margin-bottom:18px; }
    .sm-gradient { background:linear-gradient(135deg,#2563eb 0%,#06b6d4 100%); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; }
    .sm-lead { font-size:.97rem; color:rgba(255,255,255,.60); margin-bottom:32px; line-height:1.75; }
    .sm-pills { display:flex; flex-wrap:wrap; gap:9px; }
    .sm-pill { display:inline-flex; align-items:center; gap:6px; padding:7px 16px; background:rgba(37,99,235,.15); border:1px solid rgba(59,130,246,.3); border-radius:20px; font-size:.76rem; font-weight:700; color:#93c5fd; }
    .sm-pill i { color:#60a5fa; }

    .sm-card { background:#fff; border:1px solid rgba(37,99,235,.18); border-radius:20px; overflow:hidden; box-shadow:0 20px 60px rgba(0,0,0,.22); }
    .sm-card-hdr { padding:18px 22px 14px; background:#f0f6ff; border-bottom:1px solid rgba(37,99,235,.12); }
    .sm-card-hdr-title { font-size:.78rem; font-weight:700; color:#1e40af; display:flex; align-items:center; gap:7px; }
    .sm-card-hdr-title i { color:#60a5fa; }
    .sm-body { padding:22px; }

    /* Input */
    .sm-input-row { display:flex; gap:8px; margin-bottom:14px; }
    .sm-input { flex:1; background:#f1f5f9; border:1px solid #cbd5e1; border-radius:10px; padding:12px 16px; color:#0f172a; font-size:.9rem; font-family:inherit; outline:none; transition:border-color .18s; }
    .sm-input:focus { border-color:#2563eb; }
    .sm-input::placeholder { color:#94a3b8; }
    .btn-sm-check { padding:12px 18px; background:linear-gradient(135deg,#1746c8,#2563eb); color:#fff; border:none; border-radius:10px; font-size:.88rem; font-weight:700; cursor:pointer; display:flex; align-items:center; gap:7px; font-family:inherit; white-space:nowrap; transition:all .15s; }
    .btn-sm-check:hover { background:linear-gradient(135deg,#1338a8,#1d4ed8); }
    .btn-sm-check:disabled { opacity:.6; cursor:wait; }

    /* States */
    .sm-state { display:none; }
    .sm-state.show { display:block; }

    /* Loading */
    .sm-loading { text-align:center; padding:20px 0 8px; }
    .sm-loading-ring { width:44px; height:44px; border:3px solid #e2e8f0; border-top:3px solid #2563eb; border-radius:50%; animation:smSpin .7s linear infinite; margin:0 auto 12px; }
    @keyframes smSpin { to{transform:rotate(360deg);} }
    .sm-loading-txt { font-size:.8rem; color:#94a3b8; }

    /* Result */
    .sm-result-box { padding:20px 0 4px; text-align:center; border-top:3px solid #e2e8f0; margin-top:10px; }
    .sm-status-up { border-top-color:#16a34a; }
    .sm-status-down { border-top-color:#dc2626; }
    .sm-status-unknown { border-top-color:#d97706; }
    .sm-status-icon { margin:0 0 12px; }
    .sm-status-icon-badge { width:54px; height:54px; border-radius:50%; display:inline-flex; align-items:center; justify-content:center; font-size:1.45rem; }
    .sm-status-up .sm-status-icon-badge { background:#dcfce7; color:#16a34a; }
    .sm-status-down .sm-status-icon-badge { background:#fee2e2; color:#dc2626; }
    .sm-status-unknown .sm-status-icon-badge { background:#fef9c3; color:#d97706; }
    .sm-status-title { font-size:1.15rem; font-weight:800; margin-bottom:4px; color:#0f172a; }
    .sm-status-up .sm-status-title { color:#15803d; }
    .sm-status-down .sm-status-title { color:#dc2626; }
    .sm-status-unknown .sm-status-title { color:#d97706; }
    .sm-status-url { font-size:.75rem; color:#94a3b8; word-break:break-all; margin-bottom:16px; font-family:ui-monospace,monospace; background:#f1f5f9; display:inline-block; padding:3px 10px; border-radius:6px; }

    .sm-detail-grid { display:grid; grid-template-columns:1fr 1fr; gap:8px; margin-top:12px; }
    .sm-detail-card { background:#fff; border:1px solid #e2e8f0; border-radius:8px; padding:10px 12px; text-align:left; }
    .sm-detail-k { font-size:.65rem; font-weight:700; color:#94a3b8; text-transform:uppercase; letter-spacing:.07em; margin-bottom:3px; }
    .sm-detail-v { font-size:.8rem; font-weight:700; color:#1e293b; word-break:break-all; }

    /* Error */
    .sm-error-box { background:#fef2f2; border:1px solid #fecaca; border-radius:10px; padding:14px 16px; font-size:.8rem; color:#dc2626; display:flex; align-items:flex-start; gap:8px; margin-top:0; }

    /* DNS records mini table */
    .sm-dns-row { margin-top:16px; border-top:1px solid #e2e8f0; padding-top:16px; }
    .sm-dns-lbl { font-size:.66rem; font-weight:700; color:#64748b; text-transform:uppercase; letter-spacing:.07em; margin-bottom:8px; }
    .sm-dns-table { width:100%; border-collapse:collapse; font-size:.78rem; background:#f8fafc; border-radius:10px; overflow:hidden; }
    .sm-dns-table td { padding:8px 12px; color:#334155; border-bottom:1px solid #e2e8f0; }
    .sm-dns-table tr:last-child td { border-bottom:none; }
    .sm-dns-table td:first-child { font-weight:700; color:#2563eb; white-space:nowrap; width:60px; }
    .sm-dns-table td:last-child { color:#94a3b8; text-align:right; width:70px; }

    .sm-info-section { padding:88px 0 96px; background:#fff; }
    .sm-eyebrow-s { font-size:.72rem; font-weight:700; color:#1746c8; text-transform:uppercase; letter-spacing:.08em; margin-bottom:6px; }
    .sm-s-title { font-size:1.5rem; font-weight:800; color:#0f172a; margin-bottom:8px; }
    .sm-s-sub { font-size:.88rem; color:#64748b; line-height:1.75; }
    .sm-info-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:20px; margin-top:40px; }
    .sm-info-card { background:#f8fafc; border:1.5px solid #e2e8f0; border-radius:16px; padding:26px 22px; transition:box-shadow .2s,transform .2s; }
    .sm-info-card:hover { box-shadow:0 8px 28px rgba(23,70,200,.1); transform:translateY(-2px); }
    .sm-info-icon { width:46px; height:46px; background:#eef2ff; border-radius:13px; display:flex; align-items:center; justify-content:center; color:#1746c8; font-size:1.15rem; margin-bottom:16px; }
    .sm-info-card h3 { font-size:.92rem; font-weight:700; color:#0f172a; margin-bottom:7px; }
    .sm-info-card p { font-size:.8rem; color:#64748b; line-height:1.75; margin:0; }

    .sm-faq-section { padding:0 0 96px; background:#f8fafc; }
    .sm-faq-item { background:#fff; border:1.5px solid #e2e8f0; border-radius:14px; margin-bottom:10px; overflow:hidden; transition:border-color .2s; }
    .sm-faq-item.open { border-color:#2563eb; }
    .sm-faq-q { width:100%; background:none; border:none; padding:18px 22px; display:flex; align-items:center; justify-content:space-between; gap:12px; font-family:inherit; font-size:.92rem; font-weight:700; color:#0f172a; cursor:pointer; text-align:left; transition:color .18s; }
    .sm-faq-q:hover { color:#1746c8; }
    .sm-faq-q i.ch { font-size:.78rem; color:#94a3b8; flex-shrink:0; transition:transform .22s; }
    .sm-faq-item.open .sm-faq-q i.ch { transform:rotate(180deg); color:#1746c8; }
    .sm-faq-a { display:none; padding:0 22px 18px; font-size:.86rem; color:#475569; line-height:1.75; }
    .sm-faq-item.open .sm-faq-a { display:block; }

    .sm-tools-section { padding:80px 0; background:#fff; border-top:1px solid #f1f5f9; }
    .sm-tool-card { display:flex; align-items:center; gap:16px; background:#f8fafc; border:1.5px solid #e2e8f0; border-radius:16px; padding:20px 22px; text-decoration:none; transition:all .2s; }
    .sm-tool-card:hover { border-color:#1746c8; background:#eff6ff; transform:translateY(-2px); box-shadow:0 6px 20px rgba(23,70,200,.1); }
    .sm-tool-ic { width:44px; height:44px; border-radius:12px; display:flex; align-items:center; justify-content:center; flex-shrink:0; }
    .sm-tool-title { font-size:.88rem; font-weight:700; color:#0f172a; margin:0 0 3px; }
    .sm-tool-sub { font-size:.75rem; color:#64748b; margin:0; }
    .sm-tool-arr { margin-left:auto; color:#94a3b8; flex-shrink:0; font-size:.8rem; }
    .sm-tool-card:hover .sm-tool-arr { color:#1746c8; }

    @media(max-width:992px){.sm-hero{padding:60px 0 72px;}.sm-hero-left{margin-bottom:40px!important;text-align:center;}.sm-pills{justify-content:center;}}
    @media(max-width:768px){.sm-info-grid{grid-template-columns:1fr 1fr;}.sm-detail-grid{grid-template-columns:1fr;}}
    @media(max-width:576px){.sm-info-grid{grid-template-columns:1fr;}.sm-input-row{flex-direction:column;}}