.hero{padding:28px 0 18px;background:#fff}
.poster-word{font-size:clamp(42px,8vw,92px);line-height:.9;letter-spacing:-.02em;text-transform:uppercase;color:var(--red);margin:8px 0 12px;text-shadow:4px 4px 0 #111}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}
.hero h1{font-size:clamp(22px,3vw,32px);line-height:1.2;margin:8px 0 12px}
.hero-desc{color:var(--muted);font-size:15px;max-width:560px;font-weight:400}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0}
.hero-tags span{padding:5px 10px;border:2px solid #111;font-size:12px;font-weight:800}
.hero-actions{display:flex;flex-wrap:wrap;gap:10px}
.hero-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:16px}
.metric{padding:12px;border:3px solid #111;background:#fff;text-align:center}
.metric strong{display:block;font-size:22px;color:var(--red)}
.metric span{font-size:11px;color:var(--muted);font-weight:400}
.hero-visual{border:4px solid #111;background:#fff}
.hero-visual img{width:100%;height:220px;object-fit:cover}
.lang-bar{display:flex;gap:8px;padding:8px 12px;border-bottom:3px solid #111;font-size:12px;font-weight:800;flex-wrap:wrap;background:var(--red);color:#fff}
.bubble-layer{padding:10px;display:grid;gap:6px}
.bubble{padding:8px 10px;font-size:12px;max-width:92%;border:2px solid #111;font-family:-apple-system,BlinkMacSystemFont,"Microsoft YaHei",sans-serif}
.bubble-a{background:#fff}
.bubble-b{background:#ffe8a3;margin-left:auto;text-align:right}
.platform-strip{margin-top:-12px;position:relative;z-index:2}
.platform-panel{display:grid;grid-template-columns:repeat(6,1fr);gap:0;border:3px solid #111}
.platform{padding:10px 4px;text-align:center;border-right:2px solid #111;font-size:11px;font-weight:800;background:#111;color:#fff}
.platform:last-child{border:0}
.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.step-card{padding:18px;border:3px solid #111;background:#fff}
.step-num{color:var(--red);font-weight:900;font-size:18px;margin-bottom:6px}
.feature-head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:18px;flex-wrap:wrap}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.feature-card{padding:16px;border:3px solid #111;background:#fff}
.feature-card .icon{width:40px;height:40px;background:var(--red);color:#fff;display:grid;place-items:center;font-size:14px;font-weight:900;margin-bottom:10px}
.workflow{display:grid;grid-template-columns:.95fr 1.05fr;gap:24px;align-items:center;background:#fff;border:3px solid #111;padding:22px}
.wstep{display:grid;grid-template-columns:40px 1fr;gap:10px;padding-bottom:10px;border-bottom:2px dashed #111;margin-bottom:10px}
.wstep:last-child{border:0;margin:0;padding:0}
.wstep-num{width:32px;height:32px;background:#111;color:#fff;display:grid;place-items:center;font-weight:900;font-size:12px}
.workflow-img{border:3px solid #111;overflow:hidden}
.workflow-img img{width:100%;aspect-ratio:4/3;object-fit:cover}
.split{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:center}
.split img{border:4px solid #111;width:100%;aspect-ratio:4/3;object-fit:cover}
.check-list{list-style:none;display:grid;gap:8px;margin:12px 0}
.check-list li{padding-left:22px;position:relative;font-size:14px}
.check-list li:before{content:"■";position:absolute;left:0;color:var(--red)}
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.product-card{padding:16px;border:3px solid #111;background:#fff}
.product-tag{display:inline-block;margin-bottom:6px;padding:3px 8px;background:var(--red);color:#fff;font-size:10px;font-weight:900}
.scenario-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.scenario{padding:16px;background:#fff;border:3px solid #111}
.download-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.download-card{padding:18px;border:4px solid #111;background:#fff;text-align:center}
.download-card .btn{width:100%;margin-top:12px}
.news-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:16px}
.news-list,.review-box{background:#fff;border:3px solid #111;padding:16px}
.news-item,.review-item{padding:8px 0;border-bottom:2px solid #eee;font-size:13px;font-weight:400}
.update-log{margin-top:10px;padding:10px;background:#111;color:#fff;font-size:12px}
.cta-band{background:var(--red);color:#fff;padding:40px 0;border-top:4px solid #111;border-bottom:4px solid #111}
.cta-inner{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}
.cta-inner p{color:rgba(255,255,255,.9);max-width:520px;font-size:14px;font-weight:400}
@media(max-width:980px){.hero-grid,.workflow,.split,.news-grid{grid-template-columns:1fr}.feature-grid,.product-grid,.download-grid,.scenario-grid,.steps-grid,.platform-panel{grid-template-columns:repeat(2,1fr)}.platform{border-bottom:2px solid #111}}
@media(max-width:720px){.hero-metrics,.feature-grid,.product-grid,.download-grid,.scenario-grid,.steps-grid,.platform-panel{grid-template-columns:1fr}}