/* hero */
.hero-section{padding:5.5rem 0 6rem;overflow:hidden;background:radial-gradient(900px 480px at 78% 8%,rgba(77,107,254,.22),transparent 60%),radial-gradient(700px 420px at 8% 90%,rgba(139,92,246,.16),transparent 60%)}
.hero-inner{display:flex;align-items:center;justify-content:space-between;gap:56px}
.hero-content{flex:1;max-width:560px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(77,107,254,.14);border:1px solid rgba(77,107,254,.4);color:#9db0ff;font-size:.85rem;font-weight:600;padding:7px 16px;border-radius:999px}
.hero-badge::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--gradient-primary)}
.hero-title{font-size:4rem;font-weight:900;line-height:1.12;letter-spacing:.01em;margin:22px 0 18px;background:linear-gradient(120deg,#fff 30%,#9db0ff 70%,#8b5cf6);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-desc{font-size:1.15rem;line-height:1.9;color:var(--text-body);margin-bottom:32px}
.hero-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.hero-download-btn{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.18);color:#e8eaf2}
.hero-tags{display:flex;align-items:center;gap:26px;margin:34px 0 0;padding:0}
.hero-tags li{list-style:none;font-size:.9rem;color:var(--text-muted);display:inline-flex;align-items:center;gap:7px}
.hero-tags li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--gradient-primary)}
.hero-visual{flex:1;max-width:640px;min-width:0}
.hero-visual img{width:100%;height:auto;display:block}

/* feature */
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.feature-card{background:var(--bg-card);border:1px solid var(--border-card);border-radius:18px;padding:30px 26px;transition:all var(--transition);position:relative;overflow:hidden}
.feature-card::before{content:"";position:absolute;inset:0 0 auto 0;height:3px;background:var(--gradient-primary);opacity:0;transition:opacity var(--transition)}
.feature-card:hover{transform:translateY(-6px);background:var(--bg-card-hover);border-color:rgba(77,107,254,.4);box-shadow:0 18px 44px rgba(0,0,0,.4)}
.feature-card:hover::before{opacity:1}
.feature-icon{display:inline-flex;align-items:center;justify-content:center;width:56px;height:56px;border-radius:14px;background:var(--gradient-soft);margin-bottom:20px}
.feature-icon img{width:26px;height:26px;display:block}
.feature-title{font-size:1.25rem;font-weight:700;color:#fff;margin-bottom:12px}
.feature-desc{font-size:.95rem;line-height:1.8;color:var(--text-muted)}

/* scene */
.scene-section{background:var(--bg-section)}
.scene-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.scene-card{background:var(--bg-card);border:1px solid var(--border-card);border-radius:16px;padding:26px 20px;transition:all var(--transition)}
.scene-card:hover{transform:translateY(-5px);border-color:rgba(77,107,254,.45);background:var(--bg-card-hover)}
.scene-num{font-size:2rem;font-weight:900;background:linear-gradient(120deg,#4d6bfe,#8b5cf6);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;opacity:.9}
.scene-title{font-size:1.05rem;font-weight:700;color:#fff;margin:14px 0 10px}
.scene-desc{font-size:.88rem;line-height:1.75;color:var(--text-muted)}

/* model */
.model-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.model-card{background:linear-gradient(160deg,var(--bg-card),rgba(13,20,40,.9));border:1px solid var(--border-card);border-radius:18px;padding:30px 26px;position:relative;overflow:hidden;transition:all var(--transition)}
.model-card::after{content:"";position:absolute;right:-40px;top:-40px;width:130px;height:130px;border-radius:50%;background:radial-gradient(circle,rgba(77,107,254,.22),transparent 70%)}
.model-card:hover{transform:translateY(-6px);border-color:rgba(77,107,254,.5);box-shadow:0 20px 46px rgba(0,0,0,.45)}
.model-badge{display:inline-block;font-size:.75rem;font-weight:700;color:#9db0ff;background:rgba(77,107,254,.16);border:1px solid rgba(77,107,254,.4);padding:4px 12px;border-radius:999px;margin-bottom:18px}
.model-name{font-size:1.35rem;font-weight:800;color:#fff;margin-bottom:12px}
.model-desc{font-size:.92rem;line-height:1.8;color:var(--text-muted);margin-bottom:20px}
.model-abilities{display:flex;flex-wrap:wrap;gap:8px;padding:0}
.model-abilities li{list-style:none;font-size:.78rem;color:var(--text-body);background:rgba(255,255,255,.06);padding:5px 12px;border-radius:8px}

/* api */
.api-section{background:var(--bg-section);overflow:hidden}
.api-inner{display:flex;align-items:center;justify-content:space-between;gap:56px}
.api-content{flex:1;max-width:520px}
.api-badge{display:inline-block;font-size:.8rem;font-weight:700;color:#9db0ff;background:rgba(77,107,254,.14);border:1px solid rgba(77,107,254,.4);padding:6px 16px;border-radius:999px;margin-bottom:20px}
.api-title{font-size:2.4rem;font-weight:800;line-height:1.25;color:#fff;margin-bottom:18px}
.api-desc{font-size:1.05rem;line-height:1.9;color:var(--text-body);margin-bottom:26px}
.api-list{display:flex;flex-direction:column;gap:14px;padding:0;margin-bottom:34px}
.api-list li{list-style:none;font-size:.98rem;color:var(--text-body);display:flex;align-items:flex-start;gap:10px}
.api-list li::before{content:"";flex:none;width:20px;height:20px;margin-top:2px;border-radius:50%;background:var(--gradient-primary)}
.api-visual{flex:1;max-width:580px;min-width:0}
.api-visual img{width:100%;height:auto;display:block}

/* download */
.download-inner{display:flex;align-items:center;justify-content:space-between;gap:56px}
.download-visual{flex:1;max-width:420px;min-width:0}
.download-visual img{width:100%;height:auto;display:block}
.download-content{flex:1;max-width:540px}
.download-badge{display:inline-block;font-size:.8rem;font-weight:700;color:#9db0ff;background:rgba(77,107,254,.14);border:1px solid rgba(77,107,254,.4);padding:6px 16px;border-radius:999px;margin-bottom:20px}
.download-title{font-size:2.4rem;font-weight:800;line-height:1.25;color:#fff;margin-bottom:18px}
.download-desc{font-size:1.05rem;line-height:1.9;color:var(--text-body);margin-bottom:24px}
.download-features{display:flex;flex-direction:column;gap:10px;margin-bottom:28px}
.download-feature{display:flex;align-items:center;gap:8px;font-size:.95rem;color:var(--text-body)}
.download-feature img{width:20px;height:20px;display:block}

/* open */
.open-section{background:var(--bg-section)}
.open-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-bottom:46px}
.open-stat{background:var(--bg-card);border:1px solid var(--border-card);border-radius:18px;padding:32px 20px;text-align:center;transition:all var(--transition)}
.open-stat:hover{transform:translateY(-5px);border-color:rgba(77,107,254,.45)}
.open-num{display:block;font-size:2.6rem;font-weight:900;color:#fff;line-height:1.1}
.open-num span{font-size:1.3rem;color:#8fa3ff;font-weight:800}
.open-label{font-size:.92rem;color:var(--text-muted);margin-top:10px}
.open-cta{text-align:center;background:var(--gradient-soft);border:1px solid rgba(77,107,254,.35);border-radius:20px;padding:40px 30px}
.open-text{font-size:1.15rem;font-weight:600;color:#e8eaf2;margin-bottom:24px}

/* news */
#article-section{background:var(--bg-deep)}
.article-list{display:flex;flex-direction:column;gap:20px}
.article-item{display:flex;gap:26px;background:var(--bg-card);border:1px solid var(--border-card);border-radius:16px;padding:22px;transition:all var(--transition)}
.article-item:hover{transform:translateY(-4px);border-color:rgba(77,107,254,.45);background:var(--bg-card-hover);box-shadow:0 18px 44px rgba(0,0,0,.4)}
.article-thumb{flex:0 0 320px;width:320px;height:180px;border-radius:12px;overflow:hidden;background:var(--bg-card)}
.article-thumb img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s ease}
.article-item:hover .article-thumb img{transform:scale(1.06)}
.article-detail{flex:1;min-width:0;display:flex;flex-direction:column;justify-content:center;gap:12px}
.article-cat{align-self:flex-start;font-size:.78rem;font-weight:600;color:#9db0ff;background:rgba(77,107,254,.16);border:1px solid rgba(77,107,254,.4);padding:4px 12px;border-radius:999px;transition:all var(--transition)}
.article-cat:hover{background:var(--gradient-primary);border-color:transparent;color:#fff}
.article-detail .title{font-size:1.25rem;font-weight:700;line-height:1.45;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.article-detail .title a{color:#fff;transition:color var(--transition)}
.article-detail .title a:hover{color:#9db0ff}
.article-detail .content{font-size:.95rem;line-height:1.7;color:var(--text-muted);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.article-meta{display:flex;align-items:center;gap:18px;font-size:.85rem;color:var(--text-muted)}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:5px;white-space:nowrap}
.article-meta .meta-item a{color:var(--text-muted);transition:color var(--transition)}
.article-meta .meta-item a:hover{color:#9db0ff}
.article-more{margin-left:auto;display:inline-flex;align-items:center;font-size:.9rem;font-weight:600;color:#9db0ff;transition:color var(--transition)}
.article-more::after{content:"→";margin-left:6px}
.article-more:hover{color:#fff}

/* faq */
.faq-section{background:var(--bg-section)}
#faqsu-faq-list{max-width:840px;margin:0 auto}
#faqsu-faq-list .faqsu-faq-single{border-bottom:1px solid var(--border-card);padding:22px 0}
#faqsu-faq-list .faqsu-faq-single:last-child{border-bottom:none}
#faqsu-faq-list .faqsu-faq-question{font-size:1.1rem;font-weight:600;color:#fff;margin:0 0 10px;cursor:pointer;transition:color var(--transition);padding-right:30px;position:relative}
#faqsu-faq-list .faqsu-faq-question:hover{color:#9db0ff}
#faqsu-faq-list .faqsu-faq-question::after{content:"";position:absolute;right:4px;top:50%;width:10px;height:10px;border-right:2px solid #7c8fff;border-bottom:2px solid #7c8fff;transform:translateY(-70%) rotate(45deg);transition:transform var(--transition)}
#faqsu-faq-list .faqsu-faq-question.open::after{transform:translateY(-30%) rotate(-135deg)}
#faqsu-faq-list .faqsu-faq-answare{font-size:.95rem;color:var(--text-muted);line-height:1.9;margin:0;display:none}
#faqsu-faq-list .faqsu-faq-single.open .faqsu-faq-answare{display:block;animation:fadeIn .3s ease}
@keyframes fadeIn{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}

@media (max-width:768px){
	.hero-section{padding:3.5rem 0 4rem}
	.hero-inner{flex-direction:column;gap:40px}
	.hero-content{max-width:100%}
	.hero-title{font-size:2.6rem}
	.hero-desc{font-size:1rem}
	.hero-actions{gap:10px}
	.hero-tags{flex-wrap:wrap;gap:16px;margin-top:28px}
	.hero-visual{max-width:100%}

	.feature-grid{grid-template-columns:1fr 1fr;gap:14px}
	.feature-card{padding:24px 20px}

	.scene-grid{grid-template-columns:1fr 1fr;gap:14px}
	.scene-card{padding:22px 18px}

	.model-grid{grid-template-columns:1fr 1fr;gap:14px}
	.model-card{padding:24px 20px}

	.api-inner{flex-direction:column-reverse;gap:36px}
	.api-content{max-width:100%}
	.api-title{font-size:1.9rem}
	.api-visual{max-width:100%}

	.download-inner{flex-direction:column;gap:36px}
	.download-visual{max-width:260px}
	.download-content{max-width:100%}
	.download-title{font-size:1.9rem}

	.open-stats{grid-template-columns:1fr 1fr;gap:14px}
	.open-num{font-size:2rem}
	.open-text{font-size:1rem}

	.article-item{flex-direction:column;gap:16px;padding:16px}
	.article-thumb{flex:none;width:100%;height:180px}
	.article-detail{justify-content:flex-start}
	.article-detail .title{font-size:1.1rem}
	.article-meta{flex-wrap:wrap;gap:10px 16px}
	.article-more{margin-left:0}

	#faqsu-faq-list .faqsu-faq-single{padding:18px 0}
	#faqsu-faq-list .faqsu-faq-question{font-size:1rem}
}

@media (max-width:480px){
	.feature-grid{grid-template-columns:1fr}
	.scene-grid{grid-template-columns:1fr}
	.model-grid{grid-template-columns:1fr}
}