/* V7.3.35 — Deep Luminous Arena */
.arena-page{--a-blue:#2563eb;--a-cyan:#22d3ee;--a-violet:#7c3aed;--a-pink:#ec4899;--a-gold:#fbbf24;--a-ink:#10244c;max-width:1320px;margin:0 auto;padding:18px 18px 90px;color:var(--a-ink);background:radial-gradient(circle at 9% 2%,rgba(34,211,238,.12),transparent 24%),radial-gradient(circle at 92% 0%,rgba(124,58,237,.13),transparent 25%)}
.arena-hero{position:relative;overflow:hidden;display:grid;grid-template-columns:minmax(0,1fr) 355px;gap:28px;align-items:center;min-height:335px;padding:38px 42px;border:1px solid rgba(255,255,255,.62);border-radius:29px;background:linear-gradient(132deg,#164fd4 0%,#6031ca 56%,#d13b9e 100%);color:#fff;box-shadow:0 28px 70px rgba(75,60,201,.29),inset 0 1px 0 rgba(255,255,255,.48)}
.arena-hero:after{content:"";position:absolute;inset:0;background:linear-gradient(115deg,transparent 13%,rgba(255,255,255,.16) 29%,transparent 44%);transform:translateX(-125%);animation:arenaShine 8s ease-in-out infinite;pointer-events:none}@keyframes arenaShine{0%,62%{transform:translateX(-125%)}82%,100%{transform:translateX(125%)}}
.arena-hero-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:34px 34px;mask-image:linear-gradient(to right,#000,transparent 78%)}
.arena-orb{position:absolute;border-radius:50%;pointer-events:none}.arena-orb-a{width:230px;height:230px;right:-80px;top:-100px;background:rgba(64,225,255,.25);box-shadow:0 0 80px rgba(64,225,255,.35)}.arena-orb-b{width:170px;height:170px;left:47%;bottom:-115px;background:rgba(255,115,217,.22);box-shadow:0 0 65px rgba(255,115,217,.31)}
.arena-hero-copy,.arena-profile-card{position:relative;z-index:2}.arena-kicker{display:inline-flex;align-items:center;gap:8px;padding:7px 11px;border:1px solid rgba(255,255,255,.22);border-radius:999px;background:rgba(255,255,255,.12);font-size:10px;font-weight:900;letter-spacing:.1em}.arena-kicker i{width:7px;height:7px;border-radius:50%;background:#5dffba;box-shadow:0 0 0 6px rgba(93,255,186,.12)}
.arena-hero h1{margin:15px 0 11px;font-size:clamp(35px,4vw,54px);line-height:1.04;letter-spacing:-.045em}.arena-hero h1 em{font-style:normal;color:#c3f8ff;text-shadow:0 0 28px rgba(108,238,255,.45)}.arena-hero-copy>p{max-width:760px;margin:0;color:#ecf2ff;font-size:15px;line-height:1.65}
.arena-hero-actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-top:20px}.arena-hero-actions a,.arena-hero-actions button{min-height:46px;border-radius:14px;padding:11px 17px;font-weight:900}.arena-primary{display:inline-flex;gap:10px;align-items:center;background:linear-gradient(135deg,#fff,#dff8ff);color:#1d4ed8;text-decoration:none;box-shadow:0 13px 28px rgba(0,0,0,.16)}.arena-ghost{border:1px solid rgba(255,255,255,.25);background:rgba(14,25,76,.24);color:#fff}.arena-hero-badges{display:flex;gap:7px;flex-wrap:wrap;margin-top:15px}.arena-hero-badges span{padding:6px 9px;border-radius:999px;background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.16);font-size:10px;font-weight:800}
.arena-profile-card{padding:19px;border:1px solid rgba(255,255,255,.2);border-radius:23px;background:rgba(255,255,255,.12);backdrop-filter:blur(15px);box-shadow:inset 0 1px 0 rgba(255,255,255,.22),0 18px 36px rgba(23,26,94,.18)}.arena-profile-top{display:grid;grid-template-columns:52px 1fr auto;gap:10px;align-items:center}.arena-avatar{width:52px;height:52px;border-radius:17px;display:grid;place-content:center;background:linear-gradient(145deg,#43ddff,#5270ff 54%,#b45bff);font:900 28px "Noto Serif SC",serif;box-shadow:0 10px 24px rgba(29,42,135,.25)}.arena-profile-top div{display:grid;gap:2px}.arena-profile-top small{font-size:8px;letter-spacing:.1em;color:#cfe3ff;font-weight:900}.arena-profile-top strong{font-size:14px}.arena-profile-top em{font-style:normal;font-size:10px;color:#d7e2f5}.arena-profile-top>b{padding:6px 8px;border-radius:10px;background:linear-gradient(135deg,#ffe27c,#ff9e45);color:#7a3500;font-size:10px}.arena-xp-head{display:flex;justify-content:space-between;margin-top:17px;font-size:9px;color:#dbeafe}.arena-xp-track{height:7px;margin-top:6px;border-radius:999px;background:rgba(255,255,255,.15);overflow:hidden}.arena-xp-track i{display:block;height:100%;width:0;background:linear-gradient(90deg,#67e8f9,#fff59d,#ff8bd0);border-radius:inherit;box-shadow:0 0 14px rgba(255,255,255,.5);transition:width .4s ease}.arena-profile-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:15px}.arena-profile-stats div{padding:10px 6px;border:1px solid rgba(255,255,255,.13);border-radius:13px;background:rgba(255,255,255,.08);text-align:center}.arena-profile-stats strong,.arena-profile-stats span{display:block}.arena-profile-stats strong{font-size:19px}.arena-profile-stats span{margin-top:3px;font-size:8px;color:#dbe8f8}.arena-streak{display:flex;justify-content:space-between;align-items:center;margin-top:10px;padding:9px 10px;border-radius:12px;background:rgba(18,27,84,.19);font-size:10px}
.arena-daily,.arena-modes-section,.arena-board,.arena-tower-card,.arena-achievement-card,.arena-record-card{border:1px solid rgba(85,120,187,.17);background:linear-gradient(145deg,rgba(255,255,255,.99),rgba(247,250,255,.96));box-shadow:0 13px 34px rgba(43,75,134,.075)}
.arena-daily{margin-top:15px;padding:18px;border-radius:21px}.arena-daily>header{display:flex;justify-content:space-between;align-items:center;gap:12px}.arena-daily>header span,.arena-section-head>div>span,.arena-tower-card header>span,.arena-achievement-card header>span,.arena-record-card header>span{font-size:9px;font-weight:900;letter-spacing:.1em;color:#6546d7}.arena-daily h2,.arena-section-head h2{margin:4px 0 0}.arena-chest{position:relative;font-size:34px;filter:drop-shadow(0 7px 12px rgba(121,72,175,.22))}.arena-chest i{position:absolute;width:7px;height:7px;border-radius:50%;background:#ffe568;right:-4px;top:2px;box-shadow:-29px 13px 0 #7cecff,-16px -7px 0 #ff8ad0;animation:chestSpark 2s ease-in-out infinite}@keyframes chestSpark{50%{transform:scale(1.8);opacity:.45}}
.arena-quest-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:13px}.arena-quest-grid article{display:grid;grid-template-columns:35px 1fr auto;gap:10px;align-items:center;padding:12px;border:1px solid #dfe8f7;border-radius:15px;background:linear-gradient(145deg,#fff,#f7faff)}.arena-quest-grid article>span{width:35px;height:35px;border-radius:11px;display:grid;place-content:center;background:linear-gradient(145deg,#e7f9ff,#f0e9ff);font-size:10px;font-weight:900;color:#5a46cf}.arena-quest-grid article div{display:grid;gap:3px}.arena-quest-grid b{font-size:11px}.arena-quest-grid small{font-size:9px;color:#73829a}.arena-quest-grid article div>i{height:4px;border-radius:999px;background:#e9eef7;overflow:hidden}.arena-quest-grid article div>i em{display:block;height:100%;width:0;background:linear-gradient(90deg,#22d3ee,#7c3aed,#ec4899);border-radius:inherit;transition:width .35s ease}.arena-quest-grid article>strong{font-size:10px;color:#6d28d9}.arena-quest-grid article.is-complete{border-color:#8bd8b4;background:linear-gradient(145deg,#f0fff8,#f4fbff)}
.arena-modes-section{margin-top:15px;padding:20px;border-radius:23px}.arena-section-head{display:flex;justify-content:space-between;gap:20px;align-items:end}.arena-section-head p{margin:5px 0 0;color:#6f7f96;font-size:12px}.arena-hsk-select{display:grid;gap:5px;font-size:9px;font-weight:900;color:#64748b}.arena-hsk-select select{height:41px;border:1px solid #d7e3f4;border-radius:12px;background:#fff;padding:0 38px 0 12px;font-weight:900;color:#263a5f}.arena-mode-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:11px;margin-top:16px}.arena-mode-card{position:relative;overflow:hidden;min-height:205px;padding:17px;border:1px solid rgba(90,123,188,.17);border-radius:19px;background:radial-gradient(circle at 100% 0%,rgba(34,211,238,.12),transparent 32%),linear-gradient(145deg,#fff,#f7faff);text-align:left;color:inherit;box-shadow:0 9px 24px rgba(45,78,138,.06);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}.arena-mode-card:after{content:"";position:absolute;width:105px;height:105px;border-radius:50%;right:-48px;bottom:-55px;background:linear-gradient(145deg,rgba(37,99,235,.12),rgba(236,72,153,.1))}.arena-mode-card:hover{transform:translateY(-5px);border-color:#a5b9ef;box-shadow:0 18px 38px rgba(50,76,150,.14)}.arena-mode-card.is-featured{background:radial-gradient(circle at 100% 0%,rgba(251,191,36,.18),transparent 33%),linear-gradient(145deg,#fffdf4,#f6f7ff)}.arena-mode-card.is-boss{background:radial-gradient(circle at 100% 0%,rgba(236,72,153,.16),transparent 35%),linear-gradient(145deg,#fff8fc,#f5f2ff)}.arena-mode-icon{display:grid;width:48px;height:48px;place-content:center;border-radius:15px;background:linear-gradient(145deg,#e7faff,#f2eaff);font-size:25px;box-shadow:0 8px 18px rgba(73,76,184,.11)}.arena-mode-card>em{position:absolute;right:13px;top:13px;padding:4px 7px;border-radius:999px;background:linear-gradient(135deg,#2563eb,#7c3aed);color:#fff;font-style:normal;font-size:7px;font-weight:900}.arena-mode-card h3{margin:13px 0 6px;font-size:17px}.arena-mode-card p{margin:0;color:#6d7d94;font-size:11px;line-height:1.55}.arena-mode-card>div{display:flex;gap:6px;margin-top:12px}.arena-mode-card>div b{padding:5px 7px;border-radius:8px;background:#eef3fb;color:#52647e;font-size:8px}.arena-mode-card>strong{position:absolute;left:17px;bottom:15px;color:#315fce;font-size:10px}
.arena-play-layout{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:14px;margin-top:15px;align-items:start}.arena-board{position:relative;overflow:hidden;min-height:600px;padding:20px;border-radius:24px}.arena-board-aurora{position:absolute;width:300px;height:300px;border-radius:50%;right:-150px;top:-160px;background:rgba(124,58,237,.11);box-shadow:0 0 90px rgba(124,58,237,.15);pointer-events:none}.arena-board-head{position:relative;z-index:1;display:flex;justify-content:space-between;gap:15px;align-items:center}.arena-board-head>div:first-child span{font-size:9px;font-weight:900;color:#6d4fd5;letter-spacing:.1em}.arena-board-head h2{margin:4px 0 0;font-size:22px}.arena-hud{display:flex;gap:7px}.arena-hud>span{min-width:70px;padding:8px 10px;border:1px solid #dfe8f6;border-radius:12px;background:#fff;text-align:center}.arena-hud small,.arena-hud b{display:block}.arena-hud small{font-size:7px;color:#7a879a;font-weight:900}.arena-hud b{margin-top:2px;font-size:16px}.arena-progress-track{position:relative;z-index:1;height:7px;margin:14px 0;border-radius:999px;background:#e9eef7;overflow:hidden}.arena-progress-track i{display:block;height:100%;width:0;background:linear-gradient(90deg,#22d3ee,#2563eb,#7c3aed,#ec4899);box-shadow:0 0 13px rgba(124,58,237,.26);border-radius:inherit;transition:width .3s ease}.arena-intro{position:relative;z-index:1;min-height:400px;display:grid;place-items:center;align-content:center;text-align:center;padding:30px}.arena-intro-emblem{width:96px;height:96px;border-radius:29px;display:grid;place-content:center;background:linear-gradient(145deg,#27d7ef,#4e73ff 52%,#a74ff2);color:#fff;font:900 50px "Noto Serif SC",serif;box-shadow:0 20px 42px rgba(72,71,208,.25),inset 0 1px 0 rgba(255,255,255,.55);transform:rotate(-5deg)}.arena-intro>span{margin-top:20px;font-size:9px;font-weight:900;color:#7252d4;letter-spacing:.12em}.arena-intro h3{margin:7px 0 7px;font-size:25px}.arena-intro p{max-width:520px;margin:0;color:#6c7d95;line-height:1.6;font-size:12px}.arena-intro button{margin-top:18px;min-width:170px;min-height:44px;border:0;border-radius:13px;background:linear-gradient(135deg,#2563eb,#7c3aed 70%,#ec4899);color:#fff;font-weight:900;box-shadow:0 11px 23px rgba(85,61,207,.22)}.arena-intro button:disabled{filter:grayscale(1);opacity:.45;box-shadow:none}
.arena-question{position:relative;z-index:1;padding:8px 4px 10px}.arena-question-meta{display:flex;justify-content:space-between;align-items:center}.arena-question-meta span{padding:5px 8px;border-radius:999px;background:#eef1ff;color:#6746cc;font-size:8px;font-weight:900}.arena-question-meta small{font-size:9px;color:#738198}.arena-prompt{position:relative;display:grid;place-items:center;min-height:190px;margin-top:10px;padding:20px;border:1px solid #dfe8f7;border-radius:20px;background:radial-gradient(circle at 50% 25%,rgba(34,211,238,.14),transparent 42%),linear-gradient(145deg,#fbfdff,#f6f7ff);text-align:center}.arena-prompt>small{font-size:11px;color:#6b7c94}.arena-prompt>strong{font:900 clamp(42px,7vw,70px) "Noto Serif SC",serif;color:#17305d;text-shadow:0 8px 23px rgba(42,77,145,.08)}.arena-prompt>em{font-style:normal;color:#6d4dcc;font-weight:800}.arena-prompt button{position:absolute;right:15px;bottom:14px;width:40px;height:40px;border:1px solid #dbe5f5;border-radius:13px;background:#fff}.arena-options{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-top:11px}.arena-options button{min-height:58px;border:1px solid #dce6f5;border-radius:15px;background:linear-gradient(145deg,#fff,#f8fbff);padding:12px;color:#203658;font-weight:800;box-shadow:0 6px 15px rgba(45,76,132,.045);transition:.16s}.arena-options button:hover{transform:translateY(-2px);border-color:#9daef0}.arena-options button.is-correct{border-color:#54c98c;background:#eafff3;color:#11623d}.arena-options button.is-wrong{border-color:#f181a2;background:#fff0f5;color:#a8224c}.arena-options button:disabled{cursor:default}.arena-feedback{min-height:34px;margin-top:9px;padding:8px 11px;border-radius:11px;font-size:11px}.arena-feedback.is-correct{background:#eafff3;color:#176a43}.arena-feedback.is-wrong{background:#fff0f4;color:#a3224d}.arena-sentence{margin-top:12px}.arena-answer-line{min-height:67px;padding:11px;border:2px dashed #cbd9ee;border-radius:15px;background:#fbfdff;display:flex;gap:7px;align-items:center;flex-wrap:wrap}.arena-answer-line>span{color:#8a97aa;font-size:10px}.arena-token-bank{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}.arena-token-bank button,.arena-answer-line button{border:1px solid #d7e3f3;border-radius:10px;background:#fff;padding:9px 11px;font-weight:800}.arena-answer-line button{background:linear-gradient(145deg,#eef7ff,#f5f0ff);border-color:#b5c4ef}.arena-sentence>button{margin-top:11px;border:0;border-radius:12px;background:linear-gradient(135deg,#2563eb,#7c3aed);color:#fff;padding:10px 15px;font-weight:900}.arena-memory{display:grid;grid-template-columns:repeat(4,1fr);gap:9px;margin-top:12px}.arena-memory button{min-height:95px;border:1px solid #dce6f5;border-radius:15px;background:linear-gradient(145deg,#244fc6,#7137c6);color:transparent;font-weight:900;font-size:15px;transform-style:preserve-3d;transition:.2s}.arena-memory button:after{content:"?";color:#fff;font-size:24px}.arena-memory button.is-open,.arena-memory button.is-matched{background:linear-gradient(145deg,#fff,#f3f7ff);color:#193159;transform:rotateY(180deg)}.arena-memory button.is-open:after,.arena-memory button.is-matched:after{display:none}.arena-memory button.is-matched{border-color:#6bd09b;background:#edfff5;color:#135d3a}.arena-board-foot{position:relative;z-index:1;display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:14px;padding-top:13px;border-top:1px solid #e6ecf5}.arena-board-foot>span{font-size:10px;color:#6f7f96}.arena-board-foot button{border:1px solid #d7e2f2;border-radius:11px;background:#fff;padding:9px 12px;font-weight:800}.arena-board-foot #arenaNext{border:0;background:linear-gradient(135deg,#2563eb,#7c3aed);color:#fff}.arena-result{position:absolute;z-index:5;inset:0;display:grid;place-items:center;align-content:center;padding:30px;text-align:center;background:rgba(247,250,255,.94);backdrop-filter:blur(14px)}.arena-result>span{font-size:62px}.arena-result>small{margin-top:7px;color:#6848d6;font-weight:900;letter-spacing:.12em}.arena-result h3{margin:8px 0;font-size:29px}.arena-result>p{max-width:520px;margin:0;color:#667890;line-height:1.55}.arena-result-stats{display:grid;grid-template-columns:repeat(3,110px);gap:9px;margin-top:17px}.arena-result-stats div{padding:13px;border:1px solid #dce6f5;border-radius:15px;background:#fff}.arena-result-stats strong,.arena-result-stats span{display:block}.arena-result-stats strong{font-size:24px}.arena-result-stats span{font-size:9px;color:#758399}.arena-result-actions{display:flex;gap:9px;margin-top:17px}.arena-result-actions button{min-height:42px;border:1px solid #d6e1f2;border-radius:12px;background:#fff;padding:9px 15px;font-weight:900}.arena-result-actions button:first-child{border:0;background:linear-gradient(135deg,#2563eb,#7c3aed);color:#fff}
.arena-side{display:grid;gap:12px}.arena-tower-card,.arena-achievement-card,.arena-record-card{padding:16px;border-radius:20px}.arena-side h3{margin:4px 0 0}.arena-tower-map{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin-top:13px}.arena-tower-map button{display:grid;grid-template-columns:34px 1fr;gap:8px;align-items:center;border:1px solid #dfe8f6;border-radius:13px;background:#fff;padding:8px;text-align:left}.arena-tower-map button b{width:34px;height:34px;border-radius:11px;display:grid;place-content:center;background:#edf3fb;color:#55708f}.arena-tower-map button span{font-size:10px;font-weight:800}.arena-tower-map button.is-open b{background:linear-gradient(145deg,#ddfbff,#eee7ff);color:#6243d0}.arena-tower-map button.is-current{border-color:#8d79e3;background:#f5f1ff}.arena-tower-map button.is-cleared b{background:linear-gradient(145deg,#b7f7d4,#72dba5);color:#115c3a}.arena-tower-card>p{margin:12px 0 0;color:#718096;font-size:10px;line-height:1.5}.arena-achievements{display:grid;gap:7px;margin-top:12px}.arena-achievements>div{display:grid;grid-template-columns:38px 1fr;gap:9px;align-items:center;padding:8px;border-radius:12px;background:#f5f8fd;filter:grayscale(1);opacity:.55}.arena-achievements i{width:38px;height:38px;border-radius:11px;display:grid;place-content:center;background:#e8eef7;font-style:normal}.arena-achievements span{display:grid}.arena-achievements b{font-size:10px}.arena-achievements small{font-size:8px;color:#7b899d}.arena-achievements>div.is-unlocked{filter:none;opacity:1;background:linear-gradient(145deg,#fff8e7,#f5f2ff);box-shadow:0 7px 15px rgba(91,70,178,.07)}.arena-record-card header{display:flex;justify-content:space-between;align-items:center}.arena-record-card header button{border:0;background:transparent;color:#8893a4;font-size:8px}.arena-record-card>div{display:grid;gap:7px;margin-top:11px}.arena-record-card p{display:flex;justify-content:space-between;margin:0;padding:8px 0;border-bottom:1px solid #edf1f6;font-size:10px}.arena-record-card p:last-child{border:0}.arena-record-card b{color:#5d42cf}
.arena-board.is-fever{box-shadow:0 0 0 3px rgba(236,72,153,.10),0 20px 52px rgba(139,57,197,.20)}.arena-board.is-fever:before{content:"FEVER";position:absolute;right:20px;top:84px;color:rgba(236,72,153,.1);font-size:80px;font-weight:1000;transform:rotate(-10deg)}
@media(max-width:1050px){.arena-hero{grid-template-columns:1fr 315px;padding:31px}.arena-mode-grid{grid-template-columns:repeat(2,1fr)}.arena-play-layout{grid-template-columns:1fr}.arena-side{grid-template-columns:repeat(3,1fr)}}
@media(max-width:900px){.arena-page{padding:12px 12px 85px}.arena-hero{grid-template-columns:1fr;min-height:auto;padding:25px 20px}.arena-profile-card{max-width:none}.arena-quest-grid{grid-template-columns:1fr}.arena-side{grid-template-columns:1fr 1fr}.arena-achievement-card{grid-row:span 2}.arena-board{min-height:580px}}
@media(max-width:620px){.arena-hero{border-radius:22px}.arena-hero h1{font-size:31px}.arena-hero h1 br{display:none}.arena-hero-actions{display:grid}.arena-hero-actions a,.arena-hero-actions button{width:100%;justify-content:center}.arena-hero-badges span:nth-child(4){display:none}.arena-profile-stats strong{font-size:17px}.arena-daily,.arena-modes-section{padding:14px}.arena-daily h2,.arena-section-head h2{font-size:19px}.arena-section-head{display:grid;align-items:start}.arena-hsk-select{grid-template-columns:auto 1fr;align-items:center}.arena-mode-grid{grid-template-columns:1fr}.arena-mode-card{min-height:190px}.arena-play-layout{margin-top:12px}.arena-board{padding:14px;min-height:600px;border-radius:20px}.arena-board-head{display:grid}.arena-hud{display:grid;grid-template-columns:repeat(3,1fr)}.arena-hud>span{min-width:0}.arena-prompt{min-height:165px}.arena-options{grid-template-columns:1fr}.arena-memory{grid-template-columns:repeat(3,1fr)}.arena-memory button{min-height:78px}.arena-side{grid-template-columns:1fr}.arena-result-stats{grid-template-columns:repeat(3,1fr);width:100%}.arena-result-actions{display:grid;width:100%}.arena-board-foot{align-items:flex-start}.arena-board-foot>div{display:flex;gap:5px}}
@media(prefers-reduced-motion:reduce){.arena-hero:after,.arena-chest i{animation:none}.arena-mode-card,.arena-options button,.arena-memory button{transition:none}}
.arena-result[hidden],.arena-question[hidden],.arena-sentence[hidden],.arena-memory[hidden],.arena-prompt[hidden]{display:none!important}.arena-mode-card.is-selected{border-color:#7c67de;box-shadow:0 0 0 3px rgba(124,58,237,.09),0 18px 38px rgba(62,73,159,.15);transform:translateY(-3px)}.arena-chest.is-open{animation:arenaChestOpen 1.15s ease-in-out infinite alternate;filter:drop-shadow(0 0 20px rgba(255,194,66,.45))}@keyframes arenaChestOpen{to{transform:translateY(-4px) rotate(3deg)}}