.article-content-v9{width:100%;max-width:100%;font-family:'Inter',system-ui,sans-serif;background:radial-gradient(circle at 50% 0%,#1a1a2e 0%,#0a0a14 100%);color:#e4e4e7;padding:40px;border-radius:24px;border:1px solid rgb(255 255 255 / .05);box-sizing:border-box;overflow:hidden;position:relative}.article-content-v9 *{box-sizing:border-box}h2.v9-main-title{font-size:2.2rem;font-weight:800;margin-bottom:30px;text-align:center;background:linear-gradient(90deg,#00D4FF 0%,#A78BFA 50%,#FF006E 100%);-webkit-background-clip:text;-webkit-text-fill-color:#fff0;letter-spacing:-1px}.v9-intro{font-size:1.15rem;line-height:1.8;color:#b0b0c0;margin-bottom:60px;max-width:800px;margin-left:auto;margin-right:auto;text-align:center}.v9-hero-wrapper{width:100%;max-width:900px;margin:0 auto 60px auto;border-radius:20px;overflow:hidden;position:relative;box-shadow:0 0 60px rgb(0 212 255 / .15);border:1px solid rgb(0 212 255 / .2)}.v9-hero-wrapper iframe{width:100%;aspect-ratio:16 / 9;border:0;display:block}.v9-timeline{display:grid;grid-template-columns:1fr;gap:30px;max-width:900px;margin:0 auto}.v9-card{background:rgb(255 255 255 / .03);border:1px solid rgb(255 255 255 / .05);border-radius:20px;margin-bottom:20px;transition:all 0.3s ease;position:relative;overflow:hidden}.v9-card.active{background:rgb(255 255 255 / .08);border-color:rgb(0 212 255 / .4);box-shadow:0 10px 40px -10px rgb(0 0 0 / .5)}.v9-card:hover{transform:translateY(-4px);background:rgb(255 255 255 / .05);border-color:rgb(0 212 255 / .3);box-shadow:0 10px 40px -10px rgb(0 0 0 / .5)}.v9-accordion-icon{width:32px;height:32px;background:rgb(255 255 255 / .1);border-radius:50%;display:flex;align-items:center;justify-content:center;transition:transform 0.3s ease,background 0.3s ease;color:#fff}.v9-card.active .v9-accordion-icon{transform:rotate(180deg);background:var(--ia-cyan,#00D4FF);color:#000}.v9-card-header{cursor:pointer;padding:25px 30px;display:flex;align-items:center;gap:20px;flex-wrap:nowrap}.v9-card-body{display:none;padding:0 30px 30px 30px;border-top:1px solid rgb(255 255 255 / .05);margin-top:10px;animation:slideDown 0.3s ease-out}.v9-card.active .v9-card-body{display:block}@keyframes slideDown{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.v9-summary-text{color:#a1a1aa;font-size:1rem;line-height:1.6;margin-bottom:25px;padding-left:15px;border-left:2px solid rgb(167 139 250 / .3)}.v9-card-embed{width:100%;aspect-ratio:16 / 9;background:#000;border-radius:12px;overflow:hidden;border:1px solid rgb(255 255 255 / .1)}.v9-card-embed iframe{width:100%;height:100%;border:0}@media (max-width:600px){.article-content-v9{padding:20px}.v9-card-header{flex-direction:column;align-items:flex-start;gap:15px}.v9-timestamp-badge{width:fit-content}h2.v9-main-title{font-size:1.8rem}}