:root{--bg-0: #0e0f13;--bg-1: #1a1c22;--bg-2: #20232b;--line: #2a2e38;--fg: #e8eaed;--fg-dim: #9aa0aa;--fg-mute: #6b727d;--accent: #6ee7ff;--accent-2: #8b9bff;--good: #5fd6a0;--warn: #ffb86b;--glass: rgba(28, 31, 38, .62);--ease: cubic-bezier(.4, 0, .2, 1)}*{box-sizing:border-box;margin:0;padding:0}html,body{height:100%}body{font-family:Inter,-apple-system,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;color:var(--fg);background:radial-gradient(1200px 800px at 70% -10%,rgba(110,231,255,.06),transparent 60%),radial-gradient(900px 700px at 10% 110%,rgba(139,155,255,.05),transparent 55%),linear-gradient(160deg,var(--bg-0),var(--bg-1));background-attachment:fixed;min-height:100vh;overflow-x:hidden}#app{display:flex;flex-direction:column;min-height:100vh;max-width:1400px;margin:0 auto;padding:0 32px}.topbar{display:flex;align-items:center;justify-content:space-between;padding:26px 0 18px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:10px;font-weight:600;letter-spacing:.04em}.brand-mark{color:var(--accent);font-size:20px}.brand-name{font-size:18px}.bike-switcher{display:flex;gap:8px}.pill{display:inline-flex;align-items:baseline;gap:8px;padding:9px 18px;border-radius:999px;border:1px solid var(--line);background:#ffffff05;color:var(--fg-dim);font-size:14px;font-weight:500;cursor:pointer;transition:all .28s var(--ease)}.pill:hover{border-color:#6ee7ff66;color:var(--fg)}.pill.is-active{background:linear-gradient(120deg,#6ee7ff29,#8b9bff1f);border-color:#6ee7ff8c;color:var(--fg);box-shadow:0 0 24px #6ee7ff2e}.pill-variant{font-size:11px;color:var(--fg-mute);font-weight:400}.stage{flex:1;display:grid;grid-template-columns:1fr 380px;gap:32px;align-items:center;padding:28px 0}.bike-view{position:relative;width:100%;display:flex;align-items:center;justify-content:center}.bike-svg{width:100%;max-width:920px;height:auto;overflow:visible}.part{transition:opacity .3s var(--ease),filter .3s var(--ease);cursor:pointer}.part.is-active{filter:url(#glow) drop-shadow(0 0 10px rgba(110,231,255,.7))}.part.is-active line,.part.is-active circle,.part.is-active path,.part.is-active rect{stroke:var(--accent)!important}.part.is-active [fill]:not([fill=none]){fill:var(--accent)!important}.part.is-dim{opacity:.32}.is-drawn .part line,.is-drawn .part path,.is-drawn .part circle{stroke-dasharray:1200;stroke-dashoffset:1200;animation:draw 1.2s var(--ease) forwards}@keyframes draw{to{stroke-dashoffset:0}}.info-panel{position:relative}.panel-card{background:var(--glass);border:1px solid var(--line);border-radius:20px;padding:26px 24px;backdrop-filter:blur(18px) saturate(140%);-webkit-backdrop-filter:blur(18px) saturate(140%);box-shadow:0 20px 60px #00000059;animation:slideIn .34s var(--ease)}@keyframes slideIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.ov-name{font-size:26px;font-weight:700;letter-spacing:.01em}.ov-variant{font-size:13px;font-weight:400;color:var(--fg-mute);margin-left:8px}.ov-tagline{margin-top:6px;color:var(--fg-dim);font-size:14px}.ov-stats{display:flex;gap:16px;margin-top:22px}.stat{flex:1;background:#ffffff08;border:1px solid var(--line);border-radius:14px;padding:16px}.stat-num{font-size:28px;font-weight:700;background:linear-gradient(120deg,var(--accent),var(--accent-2));-webkit-background-clip:text;background-clip:text;color:transparent}.stat-unit{font-size:14px;font-weight:500;margin-left:2px;color:var(--fg-dim);-webkit-text-fill-color:var(--fg-dim)}.stat-label{margin-top:4px;font-size:12px;color:var(--fg-mute)}.ov-section{margin-top:22px}.ov-sec-title{font-size:11px;text-transform:uppercase;letter-spacing:.12em;color:var(--fg-mute);margin-bottom:10px}.colors{display:flex;flex-wrap:wrap;gap:8px}.color-chip{font-size:12px;padding:5px 11px;border-radius:999px;border:1px solid var(--line);color:var(--fg-dim)}.ov-tip{font-size:13px;color:var(--fg-dim);line-height:1.6}.part-label{font-size:11px;text-transform:uppercase;letter-spacing:.14em;color:var(--accent);margin-bottom:6px}.cur-model{font-size:20px;font-weight:600}.cur-meta{display:flex;flex-direction:column;gap:6px;margin-top:14px;padding:14px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.meta-row{display:flex;justify-content:space-between;font-size:13px}.meta-k{color:var(--fg-mute)}.meta-v{color:var(--fg)}.specs{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}.spec{font-size:12px;padding:5px 10px;border-radius:8px;background:#ffffff0a;border:1px solid var(--line)}.spec-k{color:var(--fg-mute);margin-right:6px}.up-title{margin-top:20px;font-size:11px;text-transform:uppercase;letter-spacing:.12em;color:var(--fg-mute);margin-bottom:10px}.upgrades{list-style:none;display:flex;flex-direction:column;gap:10px}.upgrade{padding:12px 14px;border-radius:12px;background:#ffffff08;border:1px solid var(--line);transition:all .24s var(--ease);cursor:default}.upgrade:hover{border-color:#6ee7ff66;background:#6ee7ff0f;transform:translate(2px)}.up-head{display:flex;justify-content:space-between;align-items:baseline;gap:8px}.up-model{font-size:14px;font-weight:600}.up-material{font-size:11px;color:var(--fg-mute);white-space:nowrap}.up-diffs{display:flex;gap:8px;margin-top:8px}.diff{font-size:11px;font-weight:600;padding:3px 9px;border-radius:999px;background:#ffffff0d;color:var(--fg-dim)}.diff.is-good{background:#5fd6a024;color:var(--good)}.diff.is-warn{background:#ffb86b1f;color:var(--warn)}.up-note{margin-top:8px;font-size:12px;color:var(--fg-dim);line-height:1.55}.upgrade-empty{color:var(--fg-mute);font-size:13px;padding:10px 0;list-style:none}.is-error{text-align:center}.err-title{font-size:18px;font-weight:600;color:var(--warn)}.err-msg{margin:10px 0 18px;color:var(--fg-dim);font-size:13px}.retry{padding:8px 22px;border-radius:999px;border:1px solid var(--accent);background:transparent;color:var(--accent);cursor:pointer;font-size:13px}.hint{text-align:center;color:var(--fg-mute);font-size:12px;padding:16px 0 26px;letter-spacing:.04em;transition:opacity .3s var(--ease)}@media (max-width: 1023px){#app{padding:0 18px}.stage{grid-template-columns:1fr;gap:18px}.topbar{flex-direction:column;gap:14px;align-items:flex-start}}