:root{--brand-red: #E60012;--brand-red-light: #FF4D4F;--brand-red-glass: rgba(230, 0, 18, .2);--glass-bg: rgba(255, 255, 255, .4);--glass-bg-hover: rgba(255, 255, 255, .5);--glass-blur: blur(20px);--glass-saturate: saturate(180%);--bg-liquid: linear-gradient(180deg, #DCEAFE 0%, #EDF4FF 35%, #F7F7F7 65%, #F7F7F7 100%);--text-title: #0F172A;--text-main: #1E293B;--text-sub: #64748B;--glass-border: 1px solid rgba(255, 255, 255, .65);--glass-inner-radiance: inset 0 1px 1px 0 rgba(255, 255, 255, .8);--glass-outer-glow: 0 8px 32px 0 rgba(0, 0, 0, .06);--glass-shadow-deep: 0 12px 48px 0 rgba(0, 0, 0, .12);--radius-liquid: 12px;--radius-pill: 100px;--section-gap: 12px;--portal-width: 1300px;--transition: all .5s cubic-bezier(.16, 1, .3, 1);--hover-lift: -6px;--hover-speed: .3s}*{margin:0;padding:0;box-sizing:border-box}html,body{min-width:1300px;min-height:100vh;background:var(--bg-liquid) no-repeat fixed;color:var(--text-main);font-family:PingFang SC,Hiragino Sans GB,Microsoft YaHei,-apple-system,BlinkMacSystemFont,SF Pro Display,Inter,sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:auto}.portal-container{width:var(--portal-width);min-width:var(--portal-width);margin:0 auto;padding:0 20px;position:relative}.u-glass-container{background:var(--glass-bg);backdrop-filter:var(--glass-blur) var(--glass-saturate);-webkit-backdrop-filter:var(--glass-blur) var(--glass-saturate);border:var(--glass-border);border-radius:var(--radius-liquid);box-shadow:var(--glass-outer-glow),var(--glass-inner-radiance);transition:var(--transition)}.u-glass-container{transition:var(--hover-speed)}.u-glass-container:hover{transform:translateY(var(--hover-lift));box-shadow:var(--glass-shadow-deep),var(--glass-inner-radiance)}.u-btn-liquid{background:linear-gradient(135deg,var(--brand-red-light) 0%,var(--brand-red) 100%);color:#fff;padding:12px 28px;border-radius:var(--radius-pill);font-weight:700;border:1px solid rgba(255,255,255,.3);box-shadow:inset 0 1px 2px #ffffff80;cursor:pointer;transition:var(--transition);display:inline-flex;align-items:center;justify-content:center;gap:8px}.u-btn-liquid:hover{filter:brightness(.92)}.u-btn-liquid:active{transform:translateY(1px)}.u-title-3d{font-size:1.85rem;color:var(--text-title);font-weight:900;letter-spacing:-.02em;display:flex;align-items:center;gap:12px;margin-bottom:24px}.u-title-3d:before{content:"";width:8px;height:28px;background:var(--brand-red);border-radius:var(--radius-pill);box-shadow:0 3px 12px var(--brand-red-glass)}.u-price{color:var(--brand-red);font-weight:800;font-family:SF Pro Text,sans-serif;letter-spacing:-.5px}.portal-float-rail{background:#ffffff59!important;backdrop-filter:blur(12px) saturate(180%)!important;-webkit-backdrop-filter:blur(12px) saturate(180%)!important;border:1px solid rgba(255,255,255,.25)!important;box-shadow:0 10px 40px #0000000a,inset 0 1px 1px #fff6!important;border-radius:12px!important}.u-stat-badge{background:#e600121a;color:var(--brand-red);padding:4px 14px;border-radius:var(--radius-pill);font-size:13px;font-weight:700;border:1px solid rgba(230,0,18,.15)}@keyframes liquid-float{0%{transform:translateY(0)}50%{transform:translateY(-10px)}to{transform:translateY(0)}}@keyframes activePop{0%{transform:translate(-50%) scaleX(0);opacity:0}to{transform:translate(-50%) scaleX(1);opacity:1}}.u-float-anim{animation:liquid-float 6s ease-in-out infinite}