:root{--bg: #0b0d10;--ink: #f4f1e8;--muted: rgba(244, 241, 232, .68);--gold: #c8a96b;--gold-soft: rgba(200, 169, 107, .35);--danger: #ff8f8f;--glass: rgba(18, 20, 24, .62);--glass-border: rgba(244, 241, 232, .14);--blur: 18px;--radius: 18px;--safe-top: env(safe-area-inset-top, 0px);--safe-bottom: env(safe-area-inset-bottom, 0px);--transition: .28s ease;font-family:Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif}*,*:before,*:after{box-sizing:border-box}html,body{margin:0;width:100%;height:100%;background:var(--bg);color:var(--ink);overflow:hidden;-webkit-tap-highlight-color:transparent;touch-action:manipulation}button,img{display:block}#app{position:relative;width:100%;height:100%;min-height:100dvh;touch-action:none}#ar-container{position:absolute;top:0;right:0;bottom:0;left:0;z-index:0;background:radial-gradient(ellipse at 30% 20%,rgba(200,169,107,.12),transparent 45%),radial-gradient(ellipse at 80% 80%,rgba(80,110,140,.18),transparent 50%),var(--bg)}#ar-container video,#ar-container canvas{position:absolute!important;top:0!important;right:0!important;bottom:0!important;left:0!important;width:100%!important;height:100%!important;object-fit:cover!important}.glass{background:var(--glass);border:1px solid var(--glass-border);backdrop-filter:blur(var(--blur));-webkit-backdrop-filter:blur(var(--blur));box-shadow:0 12px 40px #00000047}.top-bar{position:absolute;top:0;left:0;right:0;z-index:20;display:flex;align-items:center;justify-content:space-between;padding:calc(12px + var(--safe-top)) 16px 10px;pointer-events:none}.brand{display:flex;align-items:center;gap:10px}.brand-mark{width:10px;height:10px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px var(--gold-soft)}.brand-text{font-size:.95rem;letter-spacing:.04em;font-weight:600}.status-chip{pointer-events:none;min-height:32px;padding:6px 12px;border-radius:999px;border:1px solid var(--glass-border);background:#0c0e128c;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);font-size:.78rem;color:var(--muted);transition:color var(--transition),border-color var(--transition),background var(--transition)}.status-chip[data-state=found]{color:#dff7e6;border-color:#78c88c73;background:#1830208c}.status-chip[data-state=lost]{color:#ffe3b0;border-color:#c8a96b73}.status-chip[data-state=error]{color:var(--danger);border-color:#ff8f8f66}.start-screen{position:absolute;top:0;right:0;bottom:0;left:0;z-index:30;display:grid;place-items:center;padding:calc(16px + var(--safe-top)) 14px calc(16px + var(--safe-bottom));overflow:auto;touch-action:pan-y;background:linear-gradient(180deg,#0b0d109e,#0b0d10e0),url(/images/target-xiangfen.png) center / cover no-repeat}.start-screen[hidden]{display:none}.start-panel{width:min(480px,100%);border-radius:calc(var(--radius) + 4px);padding:20px 18px 18px;text-align:left;margin:auto}.eyebrow{margin:0 0 8px;color:var(--gold);font-size:.75rem;letter-spacing:.12em;text-transform:uppercase}.start-panel h1{margin:0 0 10px;font-size:clamp(1.35rem,5vw,1.75rem);line-height:1.25;font-weight:650}.lead{margin:0 0 18px;color:var(--muted);font-size:.95rem;line-height:1.55}.target-preview{display:grid;gap:8px;margin-bottom:18px}.target-preview img{width:100%;height:auto;border-radius:12px;border:1px solid var(--glass-border);object-fit:cover;background:#ffffff0a}.target-preview span{color:var(--muted);font-size:.82rem}.target-gallery{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-bottom:10px;perspective:900px}.target-card{margin:0;border-radius:12px;background:transparent;border:0}.sticker-face{border-radius:12px;overflow:hidden;border:1px solid var(--glass-border);background:#ffffff0a;box-shadow:0 10px 18px #00000059,0 1px #ffffff14 inset;transform-style:preserve-3d;transition:transform .12s ease-out;will-change:transform}.target-card img{width:100%;aspect-ratio:16 / 10;object-fit:cover;background:#00000040;display:block}.target-card figcaption{padding:6px 6px 2px;text-align:center;font-size:.72rem;color:var(--muted);display:flex;flex-direction:column;gap:2px;align-items:center}.target-card{cursor:zoom-in}.zoom-tip{font-size:.64rem;color:var(--gold);opacity:.85}.lightbox{position:fixed;top:0;right:0;bottom:0;left:0;z-index:80;display:grid;place-items:center;padding:calc(20px + var(--safe-top)) 16px calc(20px + var(--safe-bottom));background:#06080ae0;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);touch-action:manipulation}.lightbox[hidden]{display:none!important}.lightbox-figure{margin:0;width:min(920px,100%);max-height:calc(100dvh - 80px);display:flex;flex-direction:column;align-items:center;gap:12px}.lightbox-figure img{width:100%;height:auto;max-height:calc(100dvh - 140px);object-fit:contain;border-radius:12px;border:1px solid var(--glass-border);background:#ffffff0a}.lightbox-figure figcaption{color:var(--ink);font-size:.95rem;text-align:center}.lightbox-close{position:absolute;top:calc(12px + var(--safe-top));right:max(12px,env(safe-area-inset-right,12px));width:44px;height:44px;border:1px solid var(--glass-border);border-radius:12px;background:#121418bf;color:var(--ink);font-size:1.6rem;line-height:1;cursor:pointer}body.lightbox-open{overflow:hidden}.gallery-note,.intro-note{margin:0 0 14px;color:var(--muted);font-size:.78rem;line-height:1.45}.active-title{margin:0 0 4px;text-align:center;color:var(--gold);font-size:.92rem;font-weight:650}@media (max-width: 380px){.target-gallery{grid-template-columns:repeat(2,minmax(0,1fr))}}.btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid transparent;border-radius:14px;min-height:48px;padding:12px 16px;font:inherit;font-size:.95rem;font-weight:600;cursor:pointer;transition:transform var(--transition),background var(--transition),border-color var(--transition),opacity var(--transition)}.btn:disabled{opacity:.45;cursor:not-allowed}.btn:not(:disabled):active{transform:scale(.98)}.btn-primary{width:100%;color:#16130d;background:linear-gradient(180deg,#e4c58a,var(--gold))}.btn-ghost{color:var(--ink);background:#ffffff0f;border-color:var(--glass-border);flex:1 1 calc(50% - 6px);min-width:0}.hint,.error-text{margin:12px 0 0;font-size:.82rem;line-height:1.45}.hint{color:var(--gold)}.error-text{color:var(--danger)}.loading-overlay{position:absolute;top:0;right:0;bottom:0;left:0;z-index:40;display:grid;place-items:center;background:#080a0c8c}.loading-overlay[hidden]{display:none}.loading-card{width:min(280px,calc(100% - 36px));border-radius:var(--radius);padding:22px 20px;text-align:center}.spinner{width:34px;height:34px;margin:0 auto 14px;border-radius:50%;border:2px solid rgba(255,255,255,.18);border-top-color:var(--gold);animation:spin .9s linear infinite}.progress-track{margin-top:14px;height:4px;border-radius:999px;background:#ffffff1a;overflow:hidden}.progress-bar{width:12%;height:100%;border-radius:inherit;background:linear-gradient(90deg,transparent,var(--gold));transition:width .32s ease}.intro-sheet{position:absolute;left:16px;right:16px;bottom:calc(118px + var(--safe-bottom));z-index:25;border-radius:var(--radius);padding:18px 18px 16px;max-width:480px;margin:0 auto}.intro-sheet[hidden]{display:none}.intro-sheet h2{margin:0 28px 8px 0;font-size:1.05rem}.intro-sheet p,.intro-sheet li{color:var(--muted);font-size:.9rem;line-height:1.5}.intro-sheet ul{margin:10px 0 0;padding-left:1.1rem}.sheet-close{position:absolute;top:10px;right:12px;width:36px;height:36px;border:0;border-radius:10px;background:transparent;color:var(--ink);font-size:1.4rem;line-height:1;cursor:pointer}.control-panel{position:absolute;left:12px;right:12px;bottom:calc(12px + var(--safe-bottom));z-index:25;border-radius:calc(var(--radius) + 2px);padding:12px;max-width:520px;margin:0 auto;touch-action:manipulation}.control-panel[hidden]{display:none}.void-lore{position:absolute;top:calc(64px + var(--safe-top));right:max(10px,env(safe-area-inset-right,10px));z-index:22;width:min(118px,28vw);max-height:calc(100dvh - 190px - var(--safe-bottom));padding:18px 10px 20px;pointer-events:none;opacity:0;transform:translate3d(18px,-8px,0) scale(.96);filter:blur(2px);transition:opacity .42s ease,transform .52s cubic-bezier(.2,.8,.2,1),filter .42s ease}.void-lore.is-open{pointer-events:auto;opacity:1;transform:translateZ(0) scale(1);filter:blur(0)}.void-lore.is-open .void-float{animation:void-float 5.5s ease-in-out infinite}.void-lore:before{content:"";position:absolute;top:8px;right:-6px;bottom:8px;left:-6px;background:linear-gradient(180deg,transparent,rgba(200,169,107,.08),transparent),radial-gradient(ellipse at 50% 20%,rgba(244,241,232,.08),transparent 70%);border-left:1px solid rgba(200,169,107,.28);border-right:1px solid rgba(200,169,107,.12);pointer-events:none}.void-eyebrow{margin:0 0 10px;text-align:center;color:#c8a96bbf;font-size:.68rem;letter-spacing:.28em;writing-mode:horizontal-tb}.void-title{margin:0 auto 14px;color:var(--gold);font-size:1.15rem;font-weight:650;letter-spacing:.2em;writing-mode:vertical-rl;text-orientation:mixed;height:7.5em;text-shadow:0 0 18px rgba(200,169,107,.25)}.void-body{display:flex;flex-direction:row-reverse;justify-content:flex-start;gap:10px;writing-mode:horizontal-tb;margin:0 auto;max-height:calc(100dvh - 320px);overflow:hidden}.void-line{display:block;writing-mode:vertical-rl;text-orientation:mixed;color:#f4f1e8e0;font-size:.92rem;line-height:1.7;letter-spacing:.18em;text-shadow:0 2px 12px rgba(0,0,0,.45);opacity:0;transform:translateY(12px)}.void-lore.is-open .void-line{animation:void-rise .7s ease forwards}.void-lore.is-open .void-line:nth-child(1){animation-delay:60ms}.void-lore.is-open .void-line:nth-child(2){animation-delay:.12s}.void-lore.is-open .void-line:nth-child(3){animation-delay:.18s}.void-lore.is-open .void-line:nth-child(4){animation-delay:.24s}.void-lore.is-open .void-line:nth-child(5){animation-delay:.3s}.void-lore.is-open .void-line:nth-child(6){animation-delay:.36s}.void-close{position:absolute;top:0;left:0;width:28px;height:28px;border:1px solid rgba(200,169,107,.35);border-radius:8px;background:#0c0e1259;color:var(--gold);font-size:.72rem;cursor:pointer;pointer-events:auto}@keyframes void-rise{0%{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}@keyframes void-float{0%,to{transform:translateY(0)}50%{transform:translateY(-6px)}}.void-lore.is-open{animation:none}@media (prefers-reduced-motion: reduce){.void-lore.is-open .void-float{animation:none}.void-lore.is-open .void-line{animation:none;opacity:1;transform:none}}.track-hint{margin:0 0 10px;text-align:center;color:var(--muted);font-size:.82rem}.controls{display:flex;flex-wrap:wrap;gap:8px}@keyframes spin{to{transform:rotate(360deg)}}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}