:root{--yc-primary:#0f2a4a;--yc-accent:#c9a227;--yc-accent-light:#e8c96a;--yc-bg:#f5f7fa;--yc-dark:#0a1c33}[data-theme=eicheng]{--brand:var(--yc-primary);--gold:var(--yc-accent);--bg:var(--yc-bg)}.yc-root{background:var(--yc-bg);color:#1f2937;min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif}.yc-hero{background:linear-gradient(135deg, var(--yc-dark) 0%, var(--yc-primary) 55%, #1d4a7a 100%);color:#fff;position:relative;overflow:hidden}.yc-hero:after{content:"";background:radial-gradient(circle,#c9a22747 0%,#0000 70%);border-radius:50%;width:260px;height:260px;position:absolute;top:-60px;right:-60px}.yc-hero:before{content:"";background:radial-gradient(circle,#c9a22729 0%,#0000 70%);border-radius:50%;width:200px;height:200px;position:absolute;bottom:-80px;left:-40px}.yc-gold-line{background:linear-gradient(90deg, var(--yc-accent), var(--yc-accent-light));border-radius:99px;width:56px;height:3px}.yc-card{background:#fff;border:1px solid #e5e9f0;border-radius:16px;transition:transform .18s,box-shadow .18s;box-shadow:0 2px 10px #0f2a4a0d}.yc-card:hover{transform:translateY(-2px);box-shadow:0 8px 24px #0f2a4a1f}.yc-project-cover{background:linear-gradient(135deg, var(--yc-primary), #1d4a7a);position:relative;overflow:hidden}.yc-project-cover:after{content:"";background:linear-gradient(120deg,#0000 30%,#c9a22759 50%,#0000 70%);animation:4s infinite yc-shine;position:absolute;inset:0;transform:translate(-100%)}@keyframes yc-shine{0%,60%{transform:translate(-100%)}to{transform:translate(100%)}}.yc-tag{color:#8a6d1a;background:#c9a2271f;border:1px solid #c9a22759;border-radius:99px;align-items:center;padding:2px 10px;font-size:12px;font-weight:500;display:inline-flex}.yc-btn-gold{background:linear-gradient(135deg, var(--yc-accent), var(--yc-accent-light));color:#0a1c33;border-radius:12px;font-weight:600;transition:opacity .15s,transform .15s}.yc-btn-gold:hover{opacity:.92;transform:translateY(-1px)}.yc-btn-ghost{color:#fff;border:1px solid #ffffff80;border-radius:12px;transition:background .15s}.yc-btn-ghost:hover{background:#ffffff1f}.yc-container{max-width:480px;margin:0 auto;padding:0 20px}.yc-section{padding:56px 0}.yc-section-title{color:var(--yc-primary);letter-spacing:.5px;font-size:24px;font-weight:700}.yc-section-sub{color:#6b7280;margin-top:6px;font-size:13px}.yc-gallery-scroll{scrollbar-width:none;-ms-overflow-style:none}.yc-gallery-scroll::-webkit-scrollbar{display:none}