:root{--bg:#ffffff;--bg-soft:#f5f5f7;--text:#1d1d1f;--text-secondary:#6e6e73;--accent:#0071e3;--accent-dark:#005bb8;--border:rgba(0,0,0,0.08);--shadow:0 12px 40px rgba(0,0,0,0.08)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,Inter,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font:inherit}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}.nav{position:fixed;top:0;left:0;right:0;z-index:1000;transition:background .3s ease,box-shadow .3s ease,-webkit-backdrop-filter .3s ease;transition:background .3s ease,box-shadow .3s ease,backdrop-filter .3s ease;transition:background .3s ease,box-shadow .3s ease,backdrop-filter .3s ease,-webkit-backdrop-filter .3s ease;background:transparent}.nav .container{max-width:none;padding:0}.nav.scrolled{background:rgba(255,255,255,.72);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);box-shadow:0 1px 0 rgba(0,0,0,.06)}.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px;padding-right:24px}.brand{font-size:24px;font-weight:800;letter-spacing:0;color:#000;font-family:Comic Sans MS,Comic Sans,幼圆,YouYuan,Microsoft YaHei,sans-serif}.nav-links{display:flex;align-items:center;gap:28px;font-size:14px;color:var(--text-secondary)}.nav-links a{transition:color .2s ease}.nav-links a:hover{color:var(--text)}.nav-auth{display:flex;align-items:center;gap:10px}.nav-pill{min-height:36px;padding:0 18px;font-size:14px;border-color:rgba(29,29,31,.24)}.nav.scrolled .nav-pill{border-color:rgba(29,29,31,.2)}.nav-pill.primary{border-color:var(--accent);background:var(--accent);color:#fff}.nav-pill.primary:hover{background:var(--accent-dark)}.nav-user{font-size:14px;color:var(--text-secondary)}.hero{position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;text-align:center;color:#fff;overflow:hidden;background:#111}.hero-bg{position:absolute;top:0;left:0;width:100%;height:100%;background-size:cover;background-position:50%;opacity:0;visibility:hidden;transition:opacity 1.4s ease;pointer-events:none}.hero-bg.active{opacity:1;visibility:visible}.hero:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.18),rgba(0,0,0,.42))}.hero-content{position:relative;z-index:1;max-width:900px;padding:0 24px}.hero-title{font-size:clamp(44px,8vw,96px);line-height:1.02;font-weight:700;letter-spacing:0;margin:0 0 24px}.hero-subtitle{font-size:clamp(18px,2.4vw,28px);font-weight:500;opacity:.92;margin:0 0 40px}.hero-sports{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin-bottom:36px;position:relative}.hero-sports button.hero-chip{display:inline-flex;align-items:center;min-height:36px;padding:0 18px;border:1px solid rgba(255,255,255,.4);border-radius:999px;background:rgba(255,255,255,.14);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);font-size:14px;color:#fff;cursor:pointer;transition:transform .2s ease,background .2s ease}.hero-sports button.hero-chip.active,.hero-sports button.hero-chip:hover{background:rgba(255,255,255,.28);transform:scale(1.04)}.hero-category-panel{position:absolute;top:calc(100% + 14px);left:50%;transform:translateX(-50%);z-index:5;width:360px;max-width:90vw;max-height:42vh;overflow-y:auto;padding:20px;text-align:left;background:rgba(18,18,22,.72);backdrop-filter:blur(22px);-webkit-backdrop-filter:blur(22px);border:1px solid rgba(255,255,255,.18);border-radius:20px;box-shadow:0 18px 50px rgba(0,0,0,.35)}.hero-category-panel h3{margin:0 0 14px;font-size:18px}.hero-category-panel h3 span{margin-left:8px;font-size:13px;font-weight:500;opacity:.7}.hero-category-items{display:flex;flex-wrap:wrap;gap:8px}.hero-category-items span{display:inline-flex;align-items:center;min-height:30px;padding:0 12px;border:1px solid rgba(255,255,255,.22);border-radius:999px;background:rgba(255,255,255,.1);font-size:13px}.hero-actions{display:flex;gap:16px;flex-wrap:wrap}.hero-actions,.pill{justify-content:center}.pill{display:inline-flex;align-items:center;min-height:44px;padding:0 26px;border:1px solid rgba(255,255,255,.55);border-radius:999px;font-size:16px;font-weight:500;color:#fff;background:transparent;cursor:pointer;transition:transform .2s ease,background .2s ease,color .2s ease}.pill:hover{transform:scale(1.04)}.pill.primary{border-color:var(--accent);background:var(--accent)}.pill.primary:hover{background:var(--accent-dark)}.pill.dark{border-color:var(--text);background:var(--text);color:#fff}.section{min-height:100vh;display:flex;align-items:center;padding:96px 0;scroll-margin-top:64px}.section.light{background:var(--bg)}.section.soft{background:var(--bg-soft)}.section.dark{background:#000;color:#fff}.section-grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:72px;gap:72px;align-items:center}.section-kicker{color:var(--accent);font-size:14px;font-weight:600;text-transform:uppercase;margin:0 0 12px}.section.dark .section-kicker{color:#2997ff}.section-title{font-size:clamp(32px,5vw,56px);line-height:1.08;font-weight:700;letter-spacing:0;margin:0 0 20px}.section-copy{font-size:18px;color:var(--text-secondary);max-width:520px;margin:0}.section.dark .section-copy{color:rgba(255,255,255,.72)}.visual{border-radius:24px;background:#fff;box-shadow:var(--shadow);min-height:420px;display:flex;align-items:center;justify-content:center;color:var(--text-secondary);font-size:18px;overflow:hidden}.section.dark .visual{background:#1d1d1f;color:rgba(255,255,255,.72)}.map-shell{height:100vh;width:100%;position:relative}#amap{position:absolute;inset:0;width:100%;height:100%}.map-controls{position:absolute;top:150px;left:24px;z-index:900;display:flex;gap:8px;padding:8px;width:-moz-fit-content;width:fit-content;background:rgba(255,255,255,.72);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-radius:999px;box-shadow:0 8px 28px rgba(0,0,0,.1)}.map-controls button{border:0;background:transparent;color:var(--text-secondary);padding:10px 18px;border-radius:999px;font-size:14px;cursor:pointer;transition:background .2s ease,color .2s ease,transform .2s ease}.map-controls button.active{background:var(--accent);color:#fff}.map-controls button:hover{transform:scale(1.04)}.map-layer-toggle{position:absolute;top:84px;right:24px;z-index:900}.map-layer-trigger{display:inline-flex;align-items:center;gap:8px;min-height:40px;padding:0 14px;border:0;border-radius:999px;background:rgba(255,255,255,.72);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);box-shadow:0 8px 28px rgba(0,0,0,.1);font-size:14px;color:var(--text);cursor:pointer}.map-layer-current{padding:2px 8px;border-radius:999px;background:var(--accent);color:#fff;font-size:12px}.map-layer-menu{position:absolute;top:calc(100% + 8px);right:0;display:flex;flex-direction:column;gap:2px;min-width:116px;padding:6px;border-radius:14px;background:rgba(255,255,255,.92);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);box-shadow:0 12px 32px rgba(0,0,0,.14)}.map-layer-menu button{border:0;background:transparent;color:var(--text-secondary);text-align:left;padding:9px 12px;border-radius:8px;font-size:14px;cursor:pointer;transition:background .2s ease,color .2s ease}.map-layer-menu button.active,.map-layer-menu button:hover{background:var(--accent);color:#fff}.compass{position:absolute;top:84px;left:12px;z-index:900;width:56px;height:56px;padding:0;border:0;border-radius:50%;background:transparent;cursor:pointer}.compass-ring{width:100%;height:100%;display:block}.compass-needle{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;transition:transform .2s ease;pointer-events:none}.compass-needle-svg{width:24px;height:46px;filter:drop-shadow(0 1px 2px rgba(0,0,0,.25))}.amap-scalecontrol{left:50%!important;right:auto!important;top:auto!important;bottom:24px!important;transform:translateX(-50%)}.map-layer-toggle button:hover{transform:scale(1.04)}.amap-compass,.amap-copyright,.amap-logo,.amap-mcode,.amap-north{display:none!important}.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg-soft);padding:120px 24px 48px}.auth-card{width:100%;max-width:440px;background:#fff;border-radius:24px;box-shadow:var(--shadow);padding:40px}.auth-card h1{font-size:28px;margin:0 0 8px}.auth-card p{color:var(--text-secondary);margin:0 0 28px}.field{margin-bottom:18px}.field label{display:block;font-size:14px;margin-bottom:6px}.field input{width:100%;height:44px;border:1px solid var(--border);border-radius:14px;padding:0 14px;font-size:15px;background:#fff;outline:none;transition:border-color .2s ease,box-shadow .2s ease}.field input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(0,113,227,.14)}.form-error{color:#c81e1e;font-size:14px;margin:0 0 16px}.auth-card .pill{width:100%;margin-top:8px}@media (max-width:900px){.hero{background:linear-gradient(180deg,#0b0b0f,#111)}.hero-bg{background-size:contain;background-position:50%}.nav-links{display:none}.section-grid{grid-template-columns:1fr;gap:40px}.section{padding:72px 0}.visual{min-height:280px}.map-controls{top:174px;left:10px;right:auto;width:-moz-fit-content;width:fit-content;max-width:calc(100vw - 20px);padding:5px;gap:4px;overflow-x:auto}.map-controls button{min-height:28px;padding:6px 10px;font-size:12px}.map-layer-toggle{top:70px;right:10px}.map-layer-trigger{min-height:32px;padding:0 10px;font-size:12px}.map-layer-current{font-size:11px}.map-layer-menu button{font-size:12px;padding:8px 10px}.compass{top:70px;left:8px;width:48px;height:48px}.compass-needle-svg{width:20px;height:38px}.amap-scalecontrol{bottom:16px!important}.brand{font-size:18px}.nav-auth{gap:6px}.nav-pill{padding:0 12px;min-height:34px;font-size:13px}}