:root{--bg:#070b1c;--bg-2:#0a1028;--bg-tint:#0d1432;--ink:#eef1fb;--ink-soft:#aab4d6;--ink-faint:#7683ab;--gold:#e8c47a;--gold-deep:#c99a49;--line:#96aadc29;--card:#141c3a9e;--card-border:#becdf524;--radius:16px;--shadow:0 18px 50px #00000073}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased;font-family:PingFang SC,Hiragino Sans GB,Microsoft YaHei,Noto Sans SC,sans-serif;line-height:1.7;overflow-x:hidden}::selection{background:#e8c47a59}.hero{justify-content:center;align-items:center;height:100vh;min-height:620px;display:flex;position:relative;overflow:hidden}.webgl-canvas{width:100%;height:100%;display:block}#hero-canvas{position:absolute;inset:0}.hero-inner{z-index:2;text-align:center;pointer-events:none;padding:0 24px;position:relative}.hero-kicker{letter-spacing:.32em;color:var(--gold);opacity:.9;margin-bottom:22px;font-size:14px}.hero-title{letter-spacing:.08em;text-shadow:0 6px 40px #0009;font-size:clamp(64px,12vw,132px);font-weight:700;line-height:1.1}.hero-title .dot{color:var(--gold);margin:0 .12em}.hero-sub{color:var(--ink-soft);letter-spacing:.42em;text-indent:.42em;margin-top:10px;font-size:clamp(16px,2.4vw,22px)}.hero-fact{color:var(--ink-soft);margin-top:26px;font-size:clamp(13px,1.8vw,16px)}.hero-fact strong{color:var(--gold);font-weight:600}.hero-cta{color:var(--gold);letter-spacing:.18em;pointer-events:auto;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);border:1px solid #e8c47a8c;border-radius:999px;margin-top:40px;padding:12px 34px;font-size:15px;text-decoration:none;transition:all .3s;display:inline-block}.hero-cta:hover{background:#e8c47a1f;transform:translateY(-2px)}.scroll-hint{letter-spacing:.3em;color:var(--ink-faint);z-index:2;font-size:12px;animation:2.2s ease-in-out infinite bob;position:absolute;bottom:28px;left:50%;transform:translate(-50%)}@keyframes bob{0%,to{opacity:.6;transform:translate(-50%)}50%{opacity:1;transform:translate(-50%,8px)}}.section{padding:110px 24px 120px;position:relative}.section-tinted{background:linear-gradient(180deg, var(--bg-tint) 0%, var(--bg) 100%)}.section-head{max-width:860px;margin:0 auto 54px}.section-num{color:var(--gold);letter-spacing:.3em;margin-bottom:14px;font-size:13px;display:inline-block}.section-head h2{letter-spacing:.06em;font-size:clamp(28px,4.6vw,40px);font-weight:700}.section-desc{color:var(--ink-soft);margin-top:14px;font-size:16px}.btn{appearance:none;border:1px solid var(--card-border);color:var(--ink);cursor:pointer;background:#1e284e99;border-radius:10px;padding:10px 22px;font-family:inherit;font-size:14px;transition:all .25s}.btn:hover{color:var(--gold);border-color:#e8c47a99}.btn-primary{color:#1a1408;background:linear-gradient(135deg,#e8c47af2,#c99a49f2);border-color:#0000;font-weight:600}.btn-primary:hover{color:#1a1408;filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 8px 24px #c99a494d}.btn-icon{border-radius:50%;flex-shrink:0;width:46px;height:46px;padding:0;font-size:15px}.locate-card{background:var(--card);border:1px solid var(--card-border);border-radius:var(--radius);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);max-width:860px;box-shadow:var(--shadow);margin:0 auto;padding:36px}.locate-actions{flex-wrap:wrap;align-items:center;gap:18px;display:flex}.locate-or{color:var(--ink-faint);font-size:13px}.city-chips{flex-wrap:wrap;gap:10px;margin:24px 0;display:flex}.chip{border:1px solid var(--line);color:var(--ink-soft);cursor:pointer;background:#ffffff08;border-radius:999px;padding:7px 18px;font-family:inherit;font-size:13.5px;transition:all .2s}.chip:hover{color:var(--gold);border-color:#e8c47a8c}.manual-loc{flex-wrap:wrap;gap:10px;display:flex}.manual-loc input{flex:1;min-width:180px}input,select{border:1px solid var(--line);color:var(--ink);background:#080c1eb3;border-radius:10px;outline:none;padding:10px 14px;font-family:inherit;font-size:14px;transition:border-color .2s}input:focus,select:focus{border-color:#e8c47a99}.loc-status{border-top:1px solid var(--line);color:var(--ink-soft);margin-top:22px;padding-top:18px;font-size:14px}.loc-status b{color:var(--gold)}.data-grid{grid-template-columns:repeat(4,1fr);gap:18px;max-width:1080px;margin:0 auto;display:grid}.data-card{background:var(--card);border:1px solid var(--card-border);border-radius:var(--radius);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);padding:26px 22px;transition:transform .3s,border-color .3s}.data-card:hover{border-color:#e8c47a59;transform:translateY(-4px)}.data-card h3{color:var(--ink-soft);letter-spacing:.08em;margin-bottom:18px;font-size:15px;font-weight:600}.phase-card{text-align:center}#phase-dial{margin:4px auto 10px}.phase-meta{justify-content:center;gap:14px;font-size:14px;display:flex}.phase-meta span:first-child{color:var(--gold)}.phase-meta span:last-child{color:var(--ink-faint)}.rise-set{justify-content:space-between;align-items:center;gap:8px;display:flex}.rise-item{flex-direction:column;gap:6px;display:flex}.rise-label{color:var(--ink-faint);font-size:12px}.rise-time{font-size:24px;font-weight:600}.rise-arrow{color:var(--ink-faint)}.now-moon{flex-direction:column;gap:10px;display:flex}.now-row{color:var(--ink-soft);justify-content:space-between;font-size:14px;display:flex}.now-row strong{color:var(--ink);font-size:16px}.countdown{color:var(--gold);letter-spacing:.02em;margin-bottom:14px;font-size:26px;font-weight:700}.card-note{color:var(--ink-faint);margin-top:16px;font-size:12.5px;line-height:1.8}.factbox{border-left:3px solid var(--gold);max-width:1080px;color:var(--ink-soft);background:#e8c47a0f;border-radius:0 12px 12px 0;margin:30px auto 0;padding:22px 28px;font-size:14.5px}.factbox strong{color:var(--gold);margin-right:8px}.obs-wrap{border-radius:var(--radius);border:1px solid var(--card-border);max-width:1080px;height:clamp(420px,62vh,640px);box-shadow:var(--shadow);margin:0 auto;position:relative;overflow:hidden}.obs-canvas{cursor:grab}.obs-canvas:active{cursor:grabbing}.obs-hud{pointer-events:none;justify-content:center;display:flex;position:absolute;bottom:14px;left:16px;right:16px}.obs-readout{border:1px solid var(--line);color:var(--ink-soft);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#080c1eb8;border-radius:999px;flex-wrap:wrap;justify-content:center;gap:20px;padding:9px 24px;font-size:13.5px;display:flex}.obs-readout b{color:var(--gold);font-weight:600}.obs-readout span:first-child{color:var(--ink)}.time-control{align-items:center;gap:18px;max-width:1080px;margin:26px auto 0;display:flex}#time-slider{appearance:none;background:linear-gradient(90deg,#e8c47a99,#7896dc66);border-radius:2px;flex:1;height:4px;padding:0}#time-slider::-webkit-slider-thumb{-webkit-appearance:none;background:var(--gold);cursor:pointer;border:2px solid #1a1408;border-radius:50%;width:18px;height:18px;box-shadow:0 2px 10px #e8c47a80}#time-slider::-moz-range-thumb{background:var(--gold);cursor:pointer;border:2px solid #1a1408;border-radius:50%;width:18px;height:18px}.time-ticks{max-width:1080px;color:var(--ink-faint);justify-content:space-between;margin:10px auto 0;font-size:12px;display:flex}.time-ticks span{text-align:center;flex:1}.time-ticks span:first-child{text-align:left}.time-ticks span:last-child{text-align:right}.explorer-wrap{border-radius:var(--radius);border:1px solid var(--card-border);max-width:1080px;height:clamp(400px,60vh,620px);box-shadow:var(--shadow);background:radial-gradient(circle at 50% 42%,#111a3c 0%,#070b1c 75%);margin:0 auto;position:relative;overflow:hidden}.explorer-canvas{cursor:grab}.explorer-canvas:active{cursor:grabbing}.hotspot-pop{z-index:5;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#0c1126f0;border:1px solid #e8c47a66;border-radius:14px;width:min(340px,82%);padding:20px 22px;display:none;position:absolute;box-shadow:0 12px 40px #0009}.hotspot-pop h3{color:var(--gold);margin-bottom:10px;padding-right:18px;font-size:16px}.hotspot-pop p{color:var(--ink-soft);font-size:13.5px}.pop-close{color:var(--ink-faint);cursor:pointer;background:0 0;border:none;font-size:20px;line-height:1;position:absolute;top:10px;right:12px}.pop-close:hover{color:var(--gold)}.wish-row{gap:12px;max-width:1080px;margin:26px auto 0;display:flex}#wish-input{flex:1}.wish-hint{max-width:1080px;color:var(--ink-faint);margin:12px auto 0;font-size:13px}.greet-wrap{flex-wrap:wrap;justify-content:center;align-items:flex-start;gap:28px;max-width:1080px;margin:0 auto;display:flex}.greet-controls{flex-direction:column;flex:1;gap:12px;min-width:280px;max-width:380px;display:flex}.greet-label{color:var(--ink-faint);margin-top:6px;font-size:13px}#greet-canvas{border:1px solid var(--card-border);width:min(360px,80vw);height:auto;box-shadow:var(--shadow);border-radius:14px}.footer{text-align:center;border-top:1px solid var(--line);color:var(--ink-soft);padding:54px 24px 60px;font-size:14px}.footer-sub{color:var(--ink-faint);margin-top:10px;font-size:12px}.footer-link{color:var(--gold);border-bottom:1px dashed #e8c47a80;text-decoration:none;transition:color .2s,border-color .2s}.footer-link:hover{color:#f6ddaa;border-bottom-color:#f6ddaae6}@media (width<=960px){.data-grid{grid-template-columns:repeat(2,1fr)}.section{padding:84px 20px 90px}}@media (width<=560px){.data-grid{grid-template-columns:1fr}.locate-card{padding:24px 20px}.obs-readout{gap:12px;padding:8px 16px;font-size:12.5px}.time-ticks{display:none}.wish-row{flex-direction:column}}