.ri-hero {
      background: #080d1a;
      background-image:
        radial-gradient(ellipse 70% 90% at 5% 55%, rgba(37,99,235,.42) 0%, transparent 60%),
        radial-gradient(ellipse 55% 65% at 95% 15%, rgba(99,102,241,.28) 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; position: relative; overflow: hidden;
    }
    .ri-eyebrow {
      display: inline-flex; align-items: center; gap: 7px;
      background: rgba(59,130,246,.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;
    }
    .ri-title { font-size: clamp(2.2rem,4.5vw,3.6rem); font-weight: 900; color: #fff; line-height: 1.1; margin-bottom: 18px; }
    .ri-gradient { background: linear-gradient(135deg, #60a5fa 0%, #a78bfa 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
    .ri-lead { font-size: .97rem; color: rgba(255,255,255,.55); margin-bottom: 32px; line-height: 1.75; }
    .ri-pills { display: flex; flex-wrap: wrap; gap: 9px; }
    .ri-pill { display: inline-flex; align-items: center; gap: 6px; padding: 7px 16px; background: rgba(37,99,235,.18); border: 1px solid rgba(59,130,246,.35); border-radius: 20px; font-size: .76rem; font-weight: 700; color: #93c5fd; }
    .ri-pill i { color: #60a5fa; }

    .ri-card { background: linear-gradient(175deg, #0d1629 0%, #080e1c 100%); border: 1px solid rgba(59,130,246,.22); border-radius: 20px; overflow: hidden; box-shadow: 0 28px 72px rgba(0,0,0,.55), 0 0 60px rgba(37,99,235,.08); }
    .ri-card-hdr { padding: 20px 24px 16px; background: rgba(255,255,255,.03); border-bottom: 1px solid rgba(255,255,255,.07); }
    .ri-lbl { font-size: .68rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; color: rgba(255,255,255,.4); display: flex; align-items: center; gap: 6px; margin-bottom: 10px; }
    .ri-lbl i { color: #60a5fa; }
    .ri-row { display: flex; gap: 8px; }
    .ri-input { flex: 1; padding: 11px 16px; background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.12); border-radius: 10px; color: #fff; font-family: 'Inter', monospace; font-size: .88rem; font-weight: 500; outline: none; transition: all .18s; min-width: 0; }
    .ri-input::placeholder { color: rgba(255,255,255,.28); }
    .ri-input:focus { border-color: rgba(59,130,246,.55); background: rgba(59,130,246,.07); }
    .btn-ri { padding: 11px 20px; background: linear-gradient(135deg,#1746c8,#2563eb); color: #fff; border: none; border-radius: 10px; font-size: .83rem; font-weight: 700; cursor: pointer; display: flex; align-items: center; gap: 7px; white-space: nowrap; font-family: inherit; transition: all .18s; flex-shrink: 0; }
    .btn-ri:hover { background: linear-gradient(135deg,#1338a8,#1d4ed8); transform: translateY(-1px); }
    .ri-hint { font-size: .7rem; color: rgba(255,255,255,.28); margin-top: 8px; display: flex; align-items: center; gap: 5px; }
    .ri-hint i { color: rgba(96,165,250,.5); }

    .ri-idle { padding: 40px 24px; text-align: center; }
    .ri-idle-icon { font-size: 2.2rem; color: rgba(255,255,255,.1); margin-bottom: 10px; }
    .ri-idle-text { font-size: .84rem; color: rgba(255,255,255,.22); }
    .ri-loading { padding: 40px 24px; text-align: center; }
    .ri-spinner { width: 36px; height: 36px; border: 3px solid rgba(37,99,235,.15); border-top-color: #2563eb; border-radius: 50%; animation: riSpin .8s linear infinite; margin: 0 auto 12px; }
    @keyframes riSpin { to { transform: rotate(360deg) } }
    .ri-loading-text { color: rgba(255,255,255,.4); font-size: .84rem; }

    .ri-result-hdr { padding: 16px 22px; border-bottom: 1px solid rgba(255,255,255,.07); display: flex; align-items: center; justify-content: space-between; }
    .ri-count-badge { font-size: .8rem; font-weight: 700; padding: 4px 12px; background: rgba(37,99,235,.2); border: 1px solid rgba(59,130,246,.35); border-radius: 20px; color: #93c5fd; }
    .ri-sites-list { max-height: 320px; overflow-y: auto; padding: 8px 0; }
    .ri-site-item { padding: 9px 22px; border-bottom: 1px solid rgba(255,255,255,.05); display: flex; align-items: center; gap: 10px; font-size: .84rem; font-weight: 500; color: rgba(255,255,255,.75); transition: background .12s; }
    .ri-site-item:hover { background: rgba(255,255,255,.04); }
    .ri-site-item:last-child { border-bottom: none; }
    .ri-site-dot { width: 6px; height: 6px; border-radius: 50%; background: #22c55e; flex-shrink: 0; }
    .ri-site-link { color: #60a5fa; text-decoration: none; font-size: .82rem; margin-left: auto; opacity: 0; transition: opacity .15s; }
    .ri-site-item:hover .ri-site-link { opacity: 1; }
    .ri-error-card { padding: 36px 24px; text-align: center; }
    .ri-err-icon { font-size: 1.8rem; color: #ef4444; margin-bottom: 10px; }
    .ri-err-title { font-size: .95rem; font-weight: 800; color: #fff; margin-bottom: 6px; }
    .ri-err-sub { font-size: .8rem; color: rgba(255,255,255,.4); line-height: 1.7; margin: 0; }

    /* Info */
    .ri-info-section { padding: 88px 0 96px; background: #fff; }
    .ri-s-eyebrow { font-size: .72rem; font-weight: 700; color: #1746c8; text-transform: uppercase; letter-spacing: .08em; margin-bottom: 6px; }
    .ri-s-title { font-size: 1.5rem; font-weight: 800; color: #0f172a; margin-bottom: 8px; }
    .ri-s-sub { font-size: .88rem; color: #64748b; line-height: 1.75; max-width: 560px; margin: 0; }
    .ri-info-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; margin-top: 40px; }
    .ri-info-card { background: #f8fafc; border: 1.5px solid #e2e8f0; border-radius: 16px; padding: 26px 22px; transition: box-shadow .2s, transform .2s; }
    .ri-info-card:hover { box-shadow: 0 8px 28px rgba(23,70,200,.1); transform: translateY(-2px); }
    .ri-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; }
    .ri-info-card h3 { font-size: .92rem; font-weight: 700; color: #0f172a; margin-bottom: 7px; }
    .ri-info-card p  { font-size: .8rem; color: #64748b; line-height: 1.75; margin: 0; }

    .ri-faq-section { padding: 0 0 96px; background: #f8fafc; }
    .ri-faq-item { background: #fff; border: 1.5px solid #e2e8f0; border-radius: 14px; margin-bottom: 10px; overflow: hidden; transition: border-color .2s; }
    .ri-faq-item.open { border-color: #2563eb; }
    .ri-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; }
    .ri-faq-q:hover { color: #1746c8; }
    .ri-faq-q i.ch { font-size: .78rem; color: #94a3b8; flex-shrink: 0; transition: transform .22s; }
    .ri-faq-item.open .ri-faq-q i.ch { transform: rotate(180deg); color: #1746c8; }
    .ri-faq-a { display: none; padding: 0 22px 18px; font-size: .86rem; color: #475569; line-height: 1.75; }
    .ri-faq-item.open .ri-faq-a { display: block; }

    .ri-tools-section { padding: 80px 0; background: #fff; border-top: 1px solid #f1f5f9; }
    .ri-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; }
    .ri-tool-card:hover { border-color: #1746c8; background: #eff6ff; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(23,70,200,.1); }
    .ri-tool-ic { width: 44px; height: 44px; border-radius: 12px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
    .ri-tool-title { font-size: .88rem; font-weight: 700; color: #0f172a; margin: 0 0 3px; }
    .ri-tool-sub { font-size: .75rem; color: #64748b; margin: 0; }
    .ri-tool-arr { margin-left: auto; color: #94a3b8; flex-shrink: 0; font-size: .8rem; }
    .ri-tool-card:hover .ri-tool-arr { color: #1746c8; }

    @media (max-width:992px) { .ri-hero { padding: 60px 0 72px; } .ri-hero-left { margin-bottom: 40px; text-align: center; } .ri-pills { justify-content: center; } }
    @media (max-width:768px) { .ri-info-grid { grid-template-columns: 1fr 1fr; } }
    @media (max-width:576px) { .ri-info-grid { grid-template-columns: 1fr; } .ri-row { flex-direction: column; } .btn-ri { width: 100%; justify-content: center; } }