:root { --pcs-primary: #ab183d; --pcs-grad: #d9304f; --pcs-gold: #e0aa14; --pcs-wa: #25d366; --pcs-dark: #0f172a; --muted: #6b7280; }
        * { margin: 0; padding: 0; box-sizing: border-box; }
        body { font-family: 'Inter', sans-serif; background: #eef0f4; color: #1f2937; line-height: 1.65; }
        a { text-decoration: none; color: inherit; }
        .pcs-container { max-width: 1080px; margin: 0 auto; padding: 0 16px; }

        /* Header */
        .pcs-nav { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.92); backdrop-filter: blur(10px); border-bottom: 1px solid #e5e7eb; box-shadow: 0 2px 12px rgba(0,0,0,.04); }
        .pcs-nav-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
        .pcs-brand { font-size: 1.4rem; font-weight: 800; color: var(--pcs-primary); display: flex; align-items: center; gap: .45rem; }
        .pcs-brand i { color: var(--pcs-gold); }
        .pcs-links { display: flex; align-items: center; gap: 1.6rem; font-weight: 600; }
        .pcs-links a { color: #374151; }
        .pcs-links a:hover { color: var(--pcs-primary); }
        .pcs-wa-btn { background: var(--pcs-wa); color: #fff !important; padding: .5rem 1rem; border-radius: 999px; font-weight: 700; display: inline-flex; align-items: center; gap: .4rem; }
        .pcs-wa-btn:hover { filter: brightness(.95); }
        .pcs-burger { display: none; font-size: 1.5rem; background: none; border: none; color: var(--pcs-primary); cursor: pointer; }
        .pcs-mobile { display: none; flex-direction: column; padding: 12px 16px 18px; background: #fff; border-bottom: 1px solid #e5e7eb; }
        .pcs-mobile a { padding: .6rem 0; border-bottom: 1px solid #f1f5f9; font-weight: 600; color: #374151; }
        @media (max-width: 860px) { .pcs-links { display: none; } .pcs-burger { display: block; } .pcs-mobile.open { display: flex; } }

        /* Hero */
        .pcs-hero { background: linear-gradient(135deg, var(--pcs-primary), var(--pcs-grad)); color: #fff; padding: 54px 0 72px; text-align: center; }
        .pcs-badge { display: inline-flex; align-items: center; gap: .4rem; background: rgba(255,255,255,.18); padding: .35rem 1rem; border-radius: 999px; font-size: .8rem; font-weight: 600; margin-bottom: 1rem; }
        .pcs-hero h1 { font-size: clamp(1.8rem, 5vw, 2.9rem); font-weight: 900; line-height: 1.15; }
        .pcs-hero h1 span { color: var(--pcs-gold); }
        .pcs-hero p { max-width: 660px; margin: 14px auto 0; opacity: .96; font-size: 1.05rem; }
        .pcs-crumb { margin-top: 16px; font-size: .8rem; opacity: .85; }
        .pcs-crumb a:hover { text-decoration: underline; }

        /* Sections */
        .pcs-card { background: #fff; border-radius: 18px; box-shadow: 0 20px 45px -22px rgba(171,24,61,.35); padding: 26px; }
        .pcs-main { margin-top: -46px; position: relative; z-index: 5; }
        .pcs-section { margin-top: 30px; }
        .pcs-section h2 { font-size: 1.5rem; font-weight: 800; color: #111827; margin-bottom: 14px; display: flex; align-items: center; gap: .5rem; }
        .pcs-section h2 i { color: var(--pcs-primary); }
        .pcs-section h3 { font-size: 1.1rem; font-weight: 700; margin: 14px 0 6px; }
        .pcs-section p, .pcs-section li { color: #4b5563; }
        .pcs-prose ul { padding-left: 1.2rem; margin: .5rem 0; }
        .pcs-prose li { margin-bottom: .4rem; }
        .pcs-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
        @media (max-width: 700px) { .pcs-grid { grid-template-columns: 1fr; } }
        .pcs-tile { background: #fff; border: 1px solid #f1f5f9; border-radius: 14px; padding: 18px; }
        .pcs-tile i { font-size: 1.4rem; color: var(--pcs-primary); margin-bottom: 8px; }
        .pcs-tile h3 { font-size: 1rem; margin: 0 0 4px; }
        .pcs-tile p { font-size: .85rem; }
        .pcs-steps { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
        @media (max-width: 640px) { .pcs-steps { grid-template-columns: 1fr; } }
        .pcs-step { display: flex; gap: 14px; }
        .pcs-step .n { flex: none; width: 40px; height: 40px; border-radius: 50%; background: linear-gradient(135deg, var(--pcs-primary), var(--pcs-grad)); color: #fff; font-weight: 800; display: flex; align-items: center; justify-content: center; }
        .pcs-faq details { border-bottom: 1px solid #eee; padding: 14px 0; }
        .pcs-faq summary { font-weight: 700; cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 10px; }
        .pcs-faq summary::-webkit-details-marker { display: none; }
        .pcs-faq summary i { transition: transform .2s; color: var(--pcs-primary); }
        .pcs-faq details[open] summary i { transform: rotate(180deg); }
        .pcs-faq p { margin-top: 10px; font-size: .92rem; }
        .pcs-ad { margin: 26px 0; text-align: center; min-height: 90px; }

        /* Footer */
        .pcs-footer { background: var(--pcs-dark); color: #94a3b8; padding: 48px 0 24px; margin-top: 40px; }
        .pcs-fgrid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.4fr; gap: 30px; }
        @media (max-width: 800px) { .pcs-fgrid { grid-template-columns: 1fr 1fr; } }
        @media (max-width: 480px) { .pcs-fgrid { grid-template-columns: 1fr; } }
        .pcs-footer h3 { color: #fff; font-size: 1.3rem; display: flex; align-items: center; gap: .4rem; }
        .pcs-footer h3 i { color: var(--pcs-gold); }
        .pcs-footer h4 { color: #fff; font-size: 1rem; margin-bottom: 12px; }
        .pcs-footer li { list-style: none; margin-bottom: 8px; font-size: .9rem; }
        .pcs-footer a:hover { color: #fff; }
        .pcs-social { display: flex; gap: 10px; margin-top: 14px; flex-wrap: wrap; }
        .pcs-social a { width: 36px; height: 36px; border-radius: 50%; background: #1e293b; color: #fff; display: flex; align-items: center; justify-content: center; transition: all .2s; }
        .pcs-social a:hover { background: var(--pcs-primary); }
        .pcs-copyright { text-align: center; font-size: .8rem; border-top: 1px solid #1e293b; margin-top: 32px; padding-top: 20px; }

        .pcs-float-wa { position: fixed; bottom: 22px; right: 22px; width: 56px; height: 56px; border-radius: 50%; background: var(--pcs-wa); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 1.6rem; box-shadow: 0 8px 20px rgba(37,211,102,.5); z-index: 90; animation: pcs-pulse 2s infinite; }
        @keyframes pcs-pulse { 0% { box-shadow: 0 0 0 0 rgba(37,211,102,.5); } 70% { box-shadow: 0 0 0 16px rgba(37,211,102,0); } 100% { box-shadow: 0 0 0 0 rgba(37,211,102,0); } }

        /* ============ TOOL (tts-) ============ */
        .tts-toolbar { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between; margin-bottom: 18px; }
        .tts-dur-grid { display: flex; flex-wrap: wrap; gap: 8px; }
        .tts-dur { border: 1px solid #d1d5db; background: #fff; border-radius: 10px; padding: 8px 16px; font-weight: 700; font-size: .85rem; cursor: pointer; transition: all .2s; }
        .tts-dur.active { background: var(--pcs-primary); color: #fff; border-color: var(--pcs-primary); }
        .tts-sound { border: 1px solid #d1d5db; background: #fff; border-radius: 10px; padding: 8px 14px; font-weight: 700; font-size: .82rem; cursor: pointer; display: inline-flex; align-items: center; gap: 6px; }
        .tts-live { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 16px; }
        .tts-stat { background: #faf7f8; border: 1px solid #f1e3e8; border-radius: 12px; padding: 14px; text-align: center; }
        .tts-stat .v { font-size: 1.8rem; font-weight: 900; color: var(--pcs-primary); line-height: 1; }
        .tts-stat .l { font-size: .72rem; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; margin-top: 4px; }
        .tts-passage { font-size: 1.25rem; line-height: 2; letter-spacing: .2px; background: #fafafa; border: 2px solid #eee; border-radius: 14px; padding: 22px; font-family: 'Inter', monospace; user-select: none; max-height: 300px; overflow-y: auto; outline: none; }
        .char-pending { color: #9ca3af; }
        .char-correct { color: #059669; }
        .char-wrong { color: #dc2626; background: #fee2e2; border-radius: 3px; }
        .char-current { background: var(--pcs-gold); color: #1f2937; border-radius: 3px; box-shadow: 0 0 0 2px rgba(224,170,20,.3); }
        .tts-hidden { position: absolute; left: -9999px; opacity: 0; }
        .tts-hint { font-size: .85rem; color: var(--muted); margin-top: 12px; text-align: center; }
        .tts-btn { border: none; border-radius: 12px; padding: 14px 26px; font-weight: 800; font-size: 1rem; cursor: pointer; transition: all .2s; display: inline-flex; align-items: center; gap: 8px; }
        .tts-btn-primary { background: linear-gradient(135deg, var(--pcs-primary), var(--pcs-grad)); color: #fff; }
        .tts-btn-primary:hover { box-shadow: 0 10px 24px -8px rgba(171,24,61,.6); transform: translateY(-2px); }
        .tts-btn-ghost { background: #fff; color: #374151; border: 1px solid #d1d5db; }
        .tts-btn-ghost:hover { border-color: var(--pcs-primary); color: var(--pcs-primary); }
        .tts-hide { display: none !important; }
        .tts-result-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin: 18px 0; }
        @media (max-width: 560px) { .tts-result-grid { grid-template-columns: repeat(2, 1fr); } .tts-live { grid-template-columns: repeat(3, 1fr); } }
        .tts-rcard { background: #faf7f8; border: 1px solid #f1e3e8; border-radius: 14px; padding: 18px; text-align: center; }
        .tts-rcard .rv { font-size: 2rem; font-weight: 900; color: var(--pcs-primary); }
        .tts-rcard.big { background: linear-gradient(135deg, var(--pcs-primary), var(--pcs-grad)); color: #fff; }
        .tts-rcard.big .rv { color: #fff; }
        .tts-rcard .rl { font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); margin-top: 4px; }
        .tts-rcard.big .rl { color: rgba(255,255,255,.85); }
        .tts-best { text-align: center; font-size: .9rem; font-weight: 700; color: #92400e; background: #fffbeb; border: 1px solid #fde68a; border-radius: 10px; padding: 10px; margin-bottom: 14px; }
        .tts-err { display: none; background: #fee2e2; color: #b91c1c; border-radius: 10px; padding: 10px 14px; font-weight: 600; font-size: .88rem; margin-bottom: 12px; }
        .tts-err.show { display: block; }
        .tts-timer-big { font-size: 1.4rem; font-weight: 900; color: var(--pcs-primary); }
        .tts-toast { position: fixed; bottom: 90px; left: 50%; transform: translateX(-50%) translateY(20px); background: #111827; color: #fff; padding: 11px 20px; border-radius: 12px; font-size: .88rem; font-weight: 600; opacity: 0; pointer-events: none; transition: all .3s; z-index: 95; }
        .tts-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

        @media print { .pcs-nav, .pcs-mobile, .pcs-hero, .pcs-footer, .pcs-float-wa, .pcs-ad, .pcs-section, .tts-toast { display: none !important; } }