*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{--purple:#7B61FF;--teal:#00D4AA;--dark:#0F0F1A;--card:rgba(255,255,255,.06);--border:rgba(255,255,255,.1);--muted:#9CA3AF;--grad:linear-gradient(135deg,var(--purple),var(--teal));--radius:20px}
body{font-family:'Noto Sans SC',system-ui,sans-serif;background:var(--dark);color:#F3F4F6;line-height:1.7;min-height:100vh}
a{color:inherit;text-decoration:none}
.c{max-width:1100px;margin:0 auto;padding:0 22px}

/* Floating pill nav */
.pill-nav{position:fixed;top:20px;left:50%;transform:translateX(-50%);z-index:100;background:rgba(15,15,26,.8);backdrop-filter:blur(20px);border:1px solid var(--border);border-radius:50px;padding:6px 8px;display:flex;gap:4px;box-shadow:0 8px 32px rgba(0,0,0,.4)}
.pill-nav a{padding:10px 20px;border-radius:40px;font-size:.85rem;font-weight:600;color:var(--muted);transition:.2s;white-space:nowrap}
.pill-nav a:hover,.pill-nav a.on{background:var(--grad);color:#fff}
.pill-brand{padding:10px 16px!important;font-weight:800;display:flex;align-items:center;gap:8px}
.pill-brand img{width:24px;height:24px}

/* Hero gradient mesh */
.mesh-hero{padding:140px 0 80px;text-align:center;position:relative}
.mesh-hero::before{content:'';position:absolute;top:0;left:50%;transform:translateX(-50%);width:600px;height:600px;background:radial-gradient(circle,rgba(123,97,255,.2) 0%,transparent 70%);pointer-events:none}
.mesh-hero h1{font-size:clamp(2.2rem,5vw,3.5rem);font-weight:900;line-height:1.15;margin-bottom:20px;position:relative}
.mesh-hero h1 span{background:var(--grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.mesh-hero p{color:var(--muted);font-size:1.1rem;max-width:520px;margin:0 auto 36px;position:relative}
.glass-btn{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;background:var(--grad);color:#fff;border-radius:50px;font-weight:700;font-size:.95rem;border:none;cursor:pointer;transition:.25s;box-shadow:0 4px 24px rgba(123,97,255,.35)}
.glass-btn:hover{transform:translateY(-2px);box-shadow:0 8px 32px rgba(123,97,255,.5)}
.glass-btn.outline{background:transparent;border:1px solid var(--border);color:var(--muted);box-shadow:none}
.glass-btn.outline:hover{border-color:var(--purple);color:#fff}

/* Glass cards bento */
.bento{display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:auto auto;gap:16px;padding:40px 0}
.glass{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:28px;backdrop-filter:blur(12px);transition:.2s}
.glass:hover{border-color:rgba(123,97,255,.4);transform:translateY(-3px)}
.glass.wide{grid-column:span 2}
.glass .gicon{font-size:2rem;margin-bottom:12px}
.glass h3{font-size:1.05rem;font-weight:800;margin-bottom:8px}
.glass p{font-size:.88rem;color:var(--muted)}

/* Language orbit */
.lang-orbit{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;padding:30px 0}
.orbit-tag{padding:8px 16px;border-radius:50px;font-size:.82rem;font-weight:600;background:var(--card);border:1px solid var(--border);color:var(--muted);transition:.2s}
.orbit-tag:hover{border-color:var(--teal);color:var(--teal)}

.sec{padding:60px 0}
.sec-title{text-align:center;font-size:1.5rem;font-weight:800;margin-bottom:36px}
.sec-title em{font-style:normal;background:var(--grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}

/* Download page */
.dl-hero{text-align:center;padding:120px 0 50px}
.dl-hero h1{font-size:2.2rem;font-weight:900;margin-bottom:10px}
.dl-hero p{color:var(--muted)}
.platform-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;padding:30px 0 50px}
.plat-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:28px 20px;text-align:center;transition:.2s}
.plat-card:hover{border-color:var(--purple);box-shadow:0 0 30px rgba(123,97,255,.15)}
.plat-card .picon{font-size:2.8rem;margin-bottom:14px}
.plat-card h3{font-size:.95rem;font-weight:700;margin-bottom:6px}
.plat-card p{font-size:.78rem;color:var(--muted);margin-bottom:16px}
.plat-card .glass-btn{width:100%;justify-content:center;padding:10px;font-size:.82rem}

.official-bar{text-align:center;padding:24px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);max-width:700px;margin:0 auto 60px;font-size:.88rem;color:var(--muted)}
.official-bar a{color:var(--teal);font-weight:600}

/* Guide steps */
.steps-v{display:flex;flex-direction:column;gap:20px;max-width:640px;margin:0 auto}
.step-v{display:flex;gap:20px;align-items:flex-start}
.step-num{width:40px;height:40px;border-radius:50%;background:var(--grad);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:.9rem;flex-shrink:0}
.step-v h3{font-size:1rem;font-weight:700;margin-bottom:4px}
.step-v p{font-size:.88rem;color:var(--muted)}

.foot{padding:40px 0 100px;text-align:center;color:var(--muted);font-size:.82rem;border-top:1px solid var(--border)}
.friend-links{margin-bottom:10px}

.official-bar a{color:var(--teal);font-weight:600}
.faq-glass{max-width:720px;margin:0 auto}
.faq-glass .fg-item{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:18px 22px;margin-bottom:12px}
.faq-glass .fg-item h4{font-size:.92rem;font-weight:700;margin-bottom:6px}
.faq-glass .fg-item p{font-size:.85rem;color:var(--muted);line-height:1.65}
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;padding:20px 0}
.stat-cell{text-align:center;padding:20px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius)}
.stat-cell .n{font-size:1.8rem;font-weight:900;background:var(--grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.stat-cell .l{font-size:.78rem;color:var(--muted);margin-top:4px}
.workflow{display:flex;flex-direction:column;gap:16px;max-width:640px;margin:0 auto}
.wf-step{display:flex;gap:16px;align-items:flex-start;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:20px}
.wf-num{width:36px;height:36px;border-radius:50%;background:var(--grad);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:.85rem;flex-shrink:0}
.wf-step h4{font-size:.95rem;font-weight:700;margin-bottom:4px}
.wf-step p{font-size:.85rem;color:var(--muted)}
.lang-table{width:100%;border-collapse:collapse;margin-top:16px;font-size:.85rem}
.lang-table th,.lang-table td{padding:10px 14px;text-align:left;border-bottom:1px solid var(--border)}
.lang-table th{color:var(--teal);font-weight:600;font-size:.78rem;text-transform:uppercase;letter-spacing:1px}
.pair-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:20px}
.pair-card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:16px;text-align:center;font-size:.88rem}
.pair-card strong{color:var(--teal);display:block;margin-bottom:4px}

@media(max-width:800px){.bento{grid-template-columns:1fr}.glass.wide{grid-column:span 1}.platform-grid{grid-template-columns:repeat(2,1fr)}.pill-nav{left:12px;right:12px;transform:none;width:auto;overflow-x:auto}.stat-row,.pair-grid{grid-template-columns:1fr}}