:root{--violet-dark: #170333;--violet-mid: #5524c8;--violet-bright: #9d5cff;--gold: #ffd166;--gold-deep: #ff9f1c;--text-light: #ffffff;--text-soft: #e8ddff}*{margin:0;padding:0;box-sizing:border-box;font-family:PingFang SC,Microsoft YaHei,Arial,sans-serif}html,body,#app,.download-page{min-width:100%;min-height:100%}body{background:var(--violet-dark);color:var(--text-light);line-height:1.6;overflow-x:hidden}.landing{position:relative;min-height:100vh;overflow:hidden;isolation:isolate}.background{position:fixed;inset:0;z-index:-4;background:linear-gradient(180deg,#12032f1f,#15032ee0 66%,#0e0222f5),url(/refund-bg.jpg) center top / cover no-repeat}.screen-overlay{position:fixed;inset:0;z-index:-3;background:radial-gradient(circle at 50% 18%,rgba(164,91,255,.58),transparent 36%),radial-gradient(circle at 20% 76%,rgba(0,204,255,.24),transparent 27%),linear-gradient(180deg,#09021a14,#2e0a6994)}.game-wall{position:fixed;inset:0;z-index:-2;pointer-events:none}.game-chip{position:absolute;min-width:112px;padding:8px 14px;border-radius:8px;border:1px solid rgba(255,232,164,.68);background:linear-gradient(135deg,#ffe78feb,#ff971fdb);color:#4b2300;font-size:18px;font-weight:900;text-align:center;text-shadow:0 1px 0 rgba(255,255,255,.5);box-shadow:0 0 18px #ffd2668c,0 12px 28px #15032e52;transform:rotate(-5deg)}.game-chip:nth-child(1){top:32%;left:max(12px,calc(50% - 252px))}.game-chip:nth-child(2){top:34%;right:max(12px,calc(50% - 256px));transform:rotate(5deg)}.game-chip:nth-child(3){top:55%;left:max(18px,calc(50% - 286px));transform:rotate(4deg)}.game-chip:nth-child(4){top:56%;right:max(14px,calc(50% - 292px));min-width:148px}.game-chip:nth-child(5){top:72%;left:max(22px,calc(50% - 242px));transform:rotate(-8deg)}.game-chip:nth-child(6){top:74%;right:max(24px,calc(50% - 232px));transform:rotate(7deg)}.topbar{display:flex;align-items:center;justify-content:center;gap:10px;padding:20px;font-size:21px;font-weight:900;letter-spacing:1px;text-shadow:0 3px 14px rgba(0,0,0,.42)}.brand-mark{width:34px;height:34px;display:inline-flex;align-items:center;justify-content:center;border-radius:8px;background:linear-gradient(135deg,var(--gold),var(--gold-deep));color:#4b2300;box-shadow:0 8px 18px #ff9f1c5c}.container{width:min(100%,520px);margin:0 auto;padding:24px 20px 42px;text-align:center}.eyebrow{display:inline-flex;align-items:center;justify-content:center;min-height:34px;padding:5px 18px;margin-bottom:12px;border:1px solid rgba(255,209,102,.5);border-radius:999px;background:#2a0b5a8f;color:#ffe29c;font-size:.95rem;font-weight:900;box-shadow:inset 0 0 18px #ffffff14}h1{color:#fff;font-size:clamp(3rem,13vw,4.8rem);line-height:1.04;font-weight:900;letter-spacing:0;text-shadow:0 5px 0 rgba(40,15,91,.9),0 0 26px rgba(154,88,255,.85),0 16px 28px rgba(0,0,0,.45)}.slogan{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:12px;margin:16px auto;color:var(--text-soft);font-size:1.14rem;font-weight:900;text-shadow:0 3px 10px rgba(0,0,0,.48)}.slogan:before,.slogan:after{content:"";width:32px;height:2px;background:linear-gradient(90deg,transparent,#bfe7ff)}.slogan:after{background:linear-gradient(90deg,#bfe7ff,transparent)}.game-showcase{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin:0 auto 20px}.showcase-card{min-height:50px;display:flex;align-items:center;justify-content:center;border-radius:8px;border:1px solid rgba(255,224,138,.82);background:linear-gradient(180deg,#ffedb1f0,#ffae2fe6);color:#4b2300;font-size:1.06rem;font-weight:900;box-shadow:inset 0 1px #ffffffb3,0 12px 24px #1403343d}.hero-badge{position:relative;width:154px;height:154px;margin:10px auto 24px;display:flex;align-items:center;justify-content:center}.badge-core{position:relative;z-index:1;width:118px;height:118px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:linear-gradient(135deg,#fff2a6,#ffbd3d 48%,#ff7a1a);color:#522600;font-size:26px;line-height:1.15;font-weight:900;box-shadow:0 0 0 6px #ffe99340,0 16px 34px #ff99216b}.badge-ring{position:absolute;inset:0;border-radius:50%;border:2px solid rgba(229,212,255,.62);box-shadow:0 0 28px #b76fffbd;animation:spin 9s linear infinite}.badge-ring:before,.badge-ring:after{content:"";position:absolute;left:50%;width:12px;height:12px;border-radius:50%;background:#fff;box-shadow:0 0 16px #fff}.badge-ring:before{top:-6px}.badge-ring:after{bottom:-6px}@keyframes spin{to{transform:rotate(360deg)}}.download-btn{display:block;width:min(100%,430px);min-height:62px;margin:0 auto 18px;padding:17px 28px;border-radius:999px;background:linear-gradient(135deg,#ffe78f,#ffb12d 46%,#ff7a1a);color:#552700;font-size:1.2rem;font-weight:900;text-decoration:none;box-shadow:0 12px #7b350057,0 22px 38px #ff971f6b;border:2px solid rgba(255,255,255,.7);transition:transform .2s ease,box-shadow .2s ease}.download-btn:active{transform:translateY(5px) scale(.98);box-shadow:0 7px #7b350057,0 14px 26px #ff971f59}.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:22px auto 18px}.feature-item{min-height:92px;padding:12px 8px;border:1px solid rgba(220,203,255,.36);border-radius:8px;background:linear-gradient(180deg,#7233dca8,#381079b8);box-shadow:inset 0 0 18px #ffffff14,0 12px 24px #0a02223d}.feature-item span{width:34px;height:34px;margin:0 auto 8px;display:flex;align-items:center;justify-content:center;border-radius:8px;background:#ffd16624;color:#ffe08a;font-weight:900}.feature-item p{color:#fff;font-size:.92rem;font-weight:900;text-shadow:0 2px 8px rgba(0,0,0,.42)}.info-text{color:#e9ddff;font-size:.9rem;text-shadow:0 2px 8px rgba(0,0,0,.45)}.footer{margin-top:44px;color:#ece1ffc2;font-size:.82rem}.open-browser-mask{position:fixed;inset:0;z-index:9999;display:flex;align-items:center;justify-content:center;padding:28px;overflow:hidden;background:radial-gradient(circle at 50% 22%,rgba(157,92,255,.34),transparent 34%),#10032af5}.open-browser-arrow{position:fixed;top:18px;right:18px;color:#fff;font-size:28px;line-height:1;letter-spacing:4px;transform:rotate(-35deg)}.open-browser-arrow:after{content:"";display:block;width:74px;height:74px;margin:-14px 0 0 -48px;border-top:3px solid var(--gold);border-right:3px solid var(--gold);transform:rotate(18deg)}.open-browser-panel{width:min(100%,400px);padding:40px 28px;text-align:center;color:#fff}.open-browser-icon{width:92px;height:92px;margin:0 auto 26px;border-radius:50%;border:3px solid var(--gold);display:flex;align-items:center;justify-content:center;color:var(--gold);font-size:52px;font-weight:800}.open-browser-panel h1{margin-bottom:18px;color:#fff;font-size:28px;line-height:1.2;text-shadow:none}.open-browser-panel p{margin-bottom:10px;color:#eadfff;font-size:16px}.open-browser-badge{display:inline-block;margin-top:24px;padding:12px 28px;border-radius:999px;background:linear-gradient(135deg,#ffe78f,#ff9f1c);color:#552700;font-size:16px;font-weight:900}@media(max-width:520px){.background{background-position:center top}.container{padding:18px 16px 36px}.topbar{padding:16px;font-size:19px}h1{font-size:clamp(2.62rem,15vw,3.8rem)}.slogan{width:100%;gap:8px;font-size:.98rem}.slogan:before,.slogan:after{width:22px}.game-chip{min-width:86px;padding:6px 10px;font-size:14px;opacity:.94}.game-chip:nth-child(1){top:30%;left:8px}.game-chip:nth-child(2){top:30%;right:8px}.game-chip:nth-child(3){top:51%;left:10px}.game-chip:nth-child(4){top:51%;right:8px;min-width:118px}.game-chip:nth-child(5),.game-chip:nth-child(6){display:none}.hero-badge{width:128px;height:128px}.badge-core{width:100px;height:100px;font-size:22px}.feature-grid{grid-template-columns:repeat(2,1fr)}}