:root{--red:#dc1738;--gold:#e9c574;--line:rgba(255,255,255,.14);--muted:#bac4d1}*{box-sizing:border-box}html,body{width:100%;height:100%;margin:0;overflow:hidden;font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;background:#030913;color:#fff}button,a{font:inherit}.landing{position:relative;width:100vw;height:100dvh;min-height:620px;overflow:hidden;isolation:isolate}.stadium{position:absolute;z-index:-3;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 48%;filter:saturate(.78) contrast(1.08) brightness(.83)}.shade{position:absolute;z-index:-2;inset:0;background:linear-gradient(90deg,#030a14 0%,rgba(3,10,20,.94) 29%,rgba(3,10,20,.57) 51%,rgba(3,10,20,.08) 76%),linear-gradient(0deg,rgba(2,7,14,.86),transparent 42%)}.landing:after{content:"";position:absolute;z-index:-1;inset:0;background:radial-gradient(ellipse at 28% 53%,rgba(169,8,39,.18),transparent 31%),linear-gradient(115deg,transparent 43%,rgba(233,197,116,.08) 43.08%,transparent 43.18%);pointer-events:none}.topbar{height:74px;padding:0 clamp(32px,5vw,96px);display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);background:linear-gradient(180deg,rgba(1,6,12,.45),transparent)}.brand{display:flex;align-items:center;gap:12px}.brand-mark{width:44px;height:44px;display:grid;place-items:center;border-radius:11px;background:#f7f8fa;box-shadow:0 10px 26px rgba(0,0,0,.32)}.brand-mark img{width:35px;height:35px;object-fit:contain}.brand strong{font-size:19px;letter-spacing:.12em}.brand small{display:block;margin-top:2px;color:#9ca9ba;font-size:8px;letter-spacing:.25em}.event-date{display:flex;align-items:center;gap:10px;color:#dec47e;font-size:11px;letter-spacing:.12em}.event-date span{width:5px;height:5px;border-radius:50%;background:var(--red);box-shadow:0 0 13px var(--red)}.hero-content{height:calc(100dvh - 74px);padding:clamp(30px,5vh,52px) clamp(32px,6vw,116px);display:flex;align-items:center}.hero-copy{width:min(690px,49vw);transform:translateY(-1vh)}.eyebrow{display:flex;align-items:center;color:var(--gold);font-size:12px;font-weight:800;letter-spacing:.18em}.eyebrow i{width:38px;height:1px;margin-right:13px;background:var(--gold)}.hero-copy h1{margin:20px 0 17px;font-size:clamp(52px,4.5vw,78px);line-height:1.02;letter-spacing:-.055em;text-shadow:0 8px 32px rgba(0,0,0,.58)}.hero-copy h1 em{font-style:normal;color:var(--gold)}.hero-copy>p{max-width:610px;margin:0;color:#c7d0dc;font-size:clamp(15px,1vw,18px);line-height:1.75;text-shadow:0 2px 12px #000}.hero-copy p b{color:#fff;font-size:1.32em}.trust-row{display:flex;width:min(600px,100%);margin-top:22px;padding:17px 5px 0;border-top:1px solid var(--line)}.trust-row div{flex:1;padding-left:24px;border-left:1px solid var(--line)}.trust-row div:first-child{padding-left:0;border-left:0}.trust-row b{display:block;color:var(--gold);font:700 21px Georgia,serif;letter-spacing:.02em}.trust-row small{display:block;margin-top:4px;color:#94a1b2;font-size:10px}.visual-caption{position:absolute;right:5vw;bottom:5vh;display:flex;align-items:center;gap:10px;color:rgba(255,255,255,.55);font-size:9px;letter-spacing:.2em}.visual-caption i{width:42px;height:1px;background:rgba(233,197,116,.7)}.visual-caption small{font-size:8px;letter-spacing:.2em}.modal{position:fixed;z-index:30;inset:0;display:none;place-items:center;padding:20px}.modal.open{display:grid}.modal-backdrop{position:absolute;inset:0;border:0;background:rgba(1,5,11,.88);backdrop-filter:blur(11px)}.modal-card{position:relative;width:min(430px,calc(100vw - 30px));max-height:calc(100dvh - 36px);padding:34px;border:1px solid rgba(255,255,255,.16);border-radius:18px;background:linear-gradient(155deg,#0d1a2b,#050c17);color:#fff;text-align:center;box-shadow:0 35px 100px rgba(0,0,0,.7),inset 0 1px rgba(255,255,255,.07);overflow:auto}.modal-card h2{margin:16px 0 7px;font-size:28px}.modal-card>p{margin:0;color:#aeb9c8;font-size:13px;line-height:1.65}.modal-close{position:absolute;top:12px;right:14px;width:35px;height:35px;border:1px solid var(--line);border-radius:50%;background:rgba(255,255,255,.05);color:#fff;font-size:23px;cursor:pointer}.modal-tag{display:inline-block;padding:6px 11px;border-radius:20px;background:#e7f6ee;color:#24895a;font-size:10px}.modal-tag.red{background:rgba(229,31,63,.16);color:#ff7188}.modal-tag.gold{background:rgba(230,183,87,.15);color:#f0cb82}.qr-modal img{display:block;width:250px;max-width:100%;margin:18px auto 9px;border-radius:8px}.qr-modal small{color:#8995a4;font-size:10px}.activity-modal{width:min(780px,calc(100vw - 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