:root{color:#232336;background:#f8f4ff;font-family:Inter,PingFang SC,Microsoft YaHei,Arial,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{min-width:320px;margin:0}a{color:inherit;text-decoration:none}button{font:inherit}.download-page{--accent-color:#7c3aed;--page-bg:#f8f4ff;--card-bg:#fff;background:linear-gradient(135deg, #7c3aed14, #0ea5e90f), linear-gradient(180deg, var(--page-bg), #fff 48%, #f4f1ff);color:#25233a;min-height:100vh;padding:36px 16px 96px;position:relative;overflow-x:hidden}.download-page.dark{--page-bg:#141126;--card-bg:#231f38eb;color:#f7f3ff;background:linear-gradient(135deg,#7c3aed33,#0ea5e91a),linear-gradient(#121023,#19162c 48%,#0f0d1d)}.header-section{text-align:center;justify-items:center;gap:12px;max-width:760px;margin:0 auto 24px;display:grid}.profile-container{background:linear-gradient(135deg,#fffffff2,#7c3aed2e);border-radius:50%;place-items:center;width:126px;height:126px;padding:7px;display:grid;position:relative;box-shadow:0 16px 40px #583eb438,inset 0 0 0 1px #fffc}.profile-img{object-fit:cover;background:linear-gradient(135deg,#7c3aed,#38bdf8);border-radius:50%;width:112px;height:112px;display:block;box-shadow:0 10px 28px #20174b38}.profile-fallback{color:#fff;background:linear-gradient(135deg,#7c3aed,#38bdf8);border-radius:50%;place-items:center;width:112px;height:112px;font-size:52px;font-weight:900;display:grid;box-shadow:0 10px 28px #20174b38}.header-section h1{color:inherit;margin:4px 0 0;font-size:clamp(30px,7vw,48px);font-weight:800;line-height:1.08}.subtitle{color:#7b4ee6;background:#ffffffb8;border:1px solid #7c3aed2e;border-radius:999px;justify-content:center;align-items:center;min-height:34px;padding:6px 16px;font-weight:700;display:inline-flex;box-shadow:0 10px 26px #5c43991a}.dark .subtitle{color:#e8dcff;background:#ffffff14;border-color:#ffffff1f}.main-container{gap:16px;width:min(760px,100%);margin:0 auto;display:grid}.step-card{background:#fffffff5;border:1px solid #7c3aed1f;border-radius:18px;animation:.38s both cardIn;overflow:hidden;box-shadow:0 18px 38px #251f541a,inset 0 1px #ffffffbd}.dark .step-card{background:var(--card-bg);border-color:#ffffff1a;box-shadow:0 18px 42px #0000003d}.card-header{color:#25233a;cursor:pointer;text-align:left;background:0 0;border:0;justify-content:space-between;align-items:center;width:100%;min-height:66px;padding:18px;display:flex}.dark .card-header{color:#f8f4ff}.header-title{align-items:center;gap:12px;font-size:18px;font-weight:800;display:flex}.step-badge{background:linear-gradient(135deg, var(--accent-color), #38bdf8);color:#fff;border-radius:999px;justify-content:center;align-items:center;min-width:64px;height:28px;padding:0 11px;font-size:13px;display:inline-flex;box-shadow:0 10px 18px #7c3aed42}.arrow-icon{background:#7c3aed1a;border-radius:50%;width:22px;height:22px;transition:transform .22s;position:relative}.arrow-icon:before,.arrow-icon:after{content:"";background:var(--accent-color);border-radius:999px;width:10px;height:2px;position:absolute;top:10px;left:6px}.arrow-icon:after{transform:rotate(90deg)}.step-card.active .arrow-icon{transform:rotate(45deg)}.card-content{grid-template-rows:0fr;transition:grid-template-rows .28s;display:grid}.step-card.active .card-content{grid-template-rows:1fr}.content-inner{min-height:0;overflow:hidden}.action-list,.gift-list{gap:12px;margin:0;padding:0 18px 18px;list-style:none;display:grid}.btn-link{color:#1f2030;background:linear-gradient(#fffffff5,#f8f6ffeb);border:1px solid #7c3aed24;border-radius:14px;justify-content:center;align-items:center;min-height:48px;padding:12px 18px;font-size:16px;font-weight:750;transition:transform .18s,box-shadow .18s,border-color .18s;display:flex;box-shadow:0 10px 22px #37287814}.btn-link:hover{border-color:#7c3aed52;transform:translateY(-1px);box-shadow:0 16px 30px #5338aa24}.dark .btn-link{color:#f8f4ff;background:#ffffff14;border-color:#ffffff1a}.qq-link{color:var(--accent-color)}.gift-item{background:#f8f6ffc2;border:1px solid #7c3aed1f;border-radius:14px;gap:8px;padding:14px;display:grid}.dark .gift-item{background:#ffffff0f;border-color:#ffffff1a}.gift-code{font-size:16px;font-weight:800}.gift-desc{color:#5c6170;align-items:center;gap:12px;font-size:14px;line-height:1.65;display:flex}.dark .gift-desc{color:#c8c2d8}.gift-claim-btn{background:linear-gradient(135deg, var(--accent-color), #38bdf8);color:#fff;border-radius:999px;flex:none;padding:8px 12px;font-size:13px;font-weight:800;box-shadow:0 10px 20px #7c3aed3d}.gift-image{border-radius:14px;width:100%;display:block;box-shadow:0 12px 28px #2720501f}.gift-qq{margin-top:4px}.state-card{color:#59438d;text-align:center;background:#ffffffdb;border:1px solid #7c3aed2e;border-radius:18px;width:min(520px,100% - 32px);margin:30vh auto 0;padding:22px;box-shadow:0 18px 40px #3728781a}.error-card{color:#dc2626}.toast-notification{z-index:20;color:#fff;background:#201c32e6;border-radius:999px;padding:10px 16px;font-size:14px;position:fixed;bottom:96px;left:50%;transform:translate(-50%);box-shadow:0 12px 30px #00000038}.dock-wrapper{z-index:10;position:fixed;bottom:18px;left:50%;transform:translate(-50%)}.floating-dock{-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:#ffffffdb;border:1px solid #7c3aed24;border-radius:999px;align-items:center;gap:8px;padding:8px;display:flex;box-shadow:0 16px 38px #251f5429}.dark .floating-dock{background:#1e1a30db;border-color:#ffffff1a}.dock-btn{width:42px;height:42px;color:var(--accent-color);cursor:pointer;background:0 0;border:0;border-radius:50%;place-items:center;display:grid}.dock-btn:hover{background:#7c3aed1a}.dock-divider{background:#7c3aed29;width:1px;height:22px}.sun-icon,.up-icon{width:20px;height:20px;display:block;position:relative}.sun-icon{border:3px solid;border-radius:50%}.sun-icon:before{content:"";border:2px dashed;border-radius:50%;position:absolute;inset:-8px}.up-icon:before{content:"";border-top:3px solid;border-left:3px solid;width:10px;height:10px;position:absolute;top:7px;left:5px;transform:rotate(45deg)}.up-icon:after{content:"";background:currentColor;border-radius:999px;width:3px;height:12px;position:absolute;top:8px;left:8px}@keyframes cardIn{0%{transform:translateY(12px)}to{transform:translateY(0)}}@media (width<=640px){.download-page{padding:28px 12px 92px}.profile-img{width:96px;height:96px}.profile-container{width:110px;height:110px}.profile-fallback{width:96px;height:96px;font-size:44px}.card-header{min-height:60px;padding:15px}.header-title{gap:9px;font-size:16px}.step-badge{min-width:58px;height:26px;font-size:12px}.action-list,.gift-list{padding:0 15px 15px}.btn-link{min-height:46px;font-size:15px}.gift-desc{gap:10px;display:grid}.gift-claim-btn{justify-self:start}}