:root{--ink:#203932;--cream:#f4eee2;--paper:#fffaf0;--coral:#b33b32;--yellow:#c89b3c;--mint:#789f8c;--line:rgba(73,54,37,.18);--muted:#766d61;--shadow:0 24px 70px rgba(65,45,28,.12)}
body{background-color:var(--cream);background-image:radial-gradient(circle at 12% 8%,rgba(179,59,50,.06),transparent 24%),radial-gradient(circle at 88% 18%,rgba(120,159,140,.09),transparent 26%),url("data:image/svg+xml,%3Csvg width='84' height='84' viewBox='0 0 84 84' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 83.5h84M83.5 0v84' stroke='%237b6651' stroke-opacity='.035' fill='none'/%3E%3C/svg%3E")}
.site-header{border-bottom:1px solid rgba(179,59,50,.18)}.brand{font-family:"Noto Serif SC","STKaiti",serif;letter-spacing:.08em}.brand-mark{background:var(--coral);border-radius:6px;border:2px solid rgba(255,250,240,.85);outline:1px solid var(--coral);font-family:"Noto Serif SC",serif;transform:rotate(-3deg)}.nav a{font-family:"Noto Serif SC",serif;letter-spacing:.08em}.nav a:after{background:var(--coral)}.profile-btn{background:rgba(255,250,240,.72);border-color:rgba(179,59,50,.2)}.status-dot{background:var(--coral);box-shadow:0 0 0 3px rgba(179,59,50,.13)}
.hero{position:relative}.hero:before{content:"益智醒脑";position:absolute;right:48%;top:32px;font-family:"Noto Serif SC",serif;font-weight:900;font-size:90px;letter-spacing:.15em;color:rgba(73,54,37,.025);writing-mode:vertical-rl;pointer-events:none}.eyebrow{color:#6e5a46;letter-spacing:.12em}.eyebrow span{color:var(--coral)}.hero h1,.section h2,.game-card h3,.test-copy h2{font-family:"Noto Serif SC","STKaiti",serif}.hero h1{letter-spacing:-.045em}.hero h1 em{color:var(--coral)}.hero h1 em:after{background:rgba(200,155,60,.7);height:6px}.btn.primary{background:var(--coral);border-color:var(--coral)}.btn.ghost{background:rgba(255,250,240,.55);border-color:rgba(73,54,37,.35)}
.brain-card{background:linear-gradient(160deg,#b33b32,#8f2925);color:#fff5df;border:4px double rgba(255,235,190,.72);box-shadow:0 28px 60px rgba(113,42,32,.22)}.brain{background:#f6ead4;color:var(--coral);font-family:"Noto Serif SC",serif;font-size:58px;border:5px double rgba(179,59,50,.25)}.brain-card small{background:rgba(255,250,240,.16);color:#fff4dc}.orbit{border-color:rgba(179,59,50,.18)}.float-card{background:#fffaf0;border-color:rgba(179,59,50,.18)}
.games-section{background:rgba(255,250,240,.78)}.section-kicker{color:var(--coral);font-family:"Noto Serif SC",serif;font-size:13px;letter-spacing:.35em}.section-kicker:before{content:"〔"}.section-kicker:after{content:"〕"}.game-card{border-radius:8px;border:1px solid rgba(102,76,52,.25);box-shadow:inset 0 0 0 5px rgba(255,250,240,.48)}.game-card:before,.game-card:after{content:"";position:absolute;width:24px;height:24px;border-color:rgba(179,59,50,.34)}.game-card:before{left:12px;top:12px;border-left:2px solid;border-top:2px solid}.game-card:after{right:12px;bottom:12px;border-right:2px solid;border-bottom:2px solid}.game-card.coral{background:#f2ddd2}.game-card.yellow{background:#efe3c8}.game-card.mint{background:#dce8df}.game-icon{font-family:"Noto Serif SC",serif;color:var(--coral)}.tags span{background:rgba(255,250,240,.48)}.play-btn{color:var(--coral)}
.test-section{background-color:#203932;background-image:url("data:image/svg+xml,%3Csvg width='120' height='60' viewBox='0 0 120 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 45c15-20 30-20 45 0 15-20 30-20 45 0 10-13 20-18 30-10' fill='none' stroke='%23e4c17a' stroke-opacity='.08'/%3E%3C/svg%3E")}.test-panel{background:#d8b15a;border-radius:8px;box-shadow:inset 0 0 0 5px rgba(255,246,218,.28);border:1px solid #ead092}.btn.dark{background:#7f2824;border-color:#7f2824}.rank-tabs button.active{background:var(--coral);border-color:var(--coral)}.leaderboard{border-radius:8px;background:#fffaf0}.rank-pos{color:var(--coral)}.rank-avatar{background:#e6ddd0;border-radius:50%}.rank-score{color:var(--coral)}footer{font-family:"Noto Serif SC",serif}
.auth-mark{background:#f1ddd1!important;color:#a52f29}.auth-submit{background:#a52f29!important}.auth-tabs button.active{color:#a52f29}.auth-card{border:1px solid rgba(179,59,50,.22)}
@media(max-width:560px){.hero:before{display:none}.game-card{border-radius:8px}.brain-card{border-radius:145px 145px 18px 18px}}