/* =========================================================
   万音 Wanyin · 深色苹果质感设计系统
   配色：背景纯黑 / 强调紫→青渐变 / 卡片深灰 / 苹果风大圆角、毛玻璃
   ========================================================= */
:root{
  --bg:#000000;
  --card:#1C1C1E;
  --card-2:#2C2C2E;
  --card-3:#3A3A3C;
  --text:#FFFFFF;
  --muted:#8E8E93;
  --line:rgba(255,255,255,.08);
  --c-purple:#5E5CE6;
  --c-cyan:#00E5C9;
  --gold:#FFD66B;
  --grad:linear-gradient(135deg,#5E5CE6 0%,#00E5C9 100%);
  --grad-soft:linear-gradient(135deg,rgba(94,92,230,.18),rgba(0,229,201,.18));
  --radius:24px;
  --radius-sm:16px;
  --radius-lg:32px;
  --nav-h:64px;
  --maxw:1200px;
  --shadow:0 18px 50px rgba(0,0,0,.55);
  --font:"SF Pro Display","SF Pro Text","PingFang SC","Helvetica Neue",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Microsoft YaHei",sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  min-height:100vh;
}
/* 背景氛围光 */
body::before{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(60vw 60vw at 12% -8%,rgba(94,92,230,.20),transparent 60%),
    radial-gradient(55vw 55vw at 100% 0%,rgba(0,229,201,.14),transparent 55%),
    radial-gradient(50vw 50vw at 50% 120%,rgba(94,92,230,.10),transparent 60%);
}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;}
ul{list-style:none;}
.boot{display:grid;place-items:center;height:100vh;color:var(--muted);}

/* ---------------- 布局容器 ---------------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px;}
.section{padding:64px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px;flex-wrap:wrap;}
.section-head h2{font-size:30px;font-weight:700;letter-spacing:.5px;}
.section-head .sub{color:var(--muted);font-size:15px;}

/* ---------------- 文本 / 渐变 ---------------- */
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.muted{color:var(--muted);}
.badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--c-cyan);
  background:rgba(0,229,201,.10);border:1px solid rgba(0,229,201,.25);padding:4px 10px;border-radius:999px;}

/* ---------------- 按钮 ---------------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:15px;font-weight:600;
  padding:12px 22px;border-radius:999px;transition:transform .15s ease,box-shadow .25s ease,opacity .2s;white-space:nowrap;}
.btn:active{transform:scale(.97);}
.btn-primary{background:var(--grad);color:#06121a;box-shadow:0 10px 30px rgba(0,229,201,.28);}
.btn-primary:hover{box-shadow:0 14px 40px rgba(0,229,201,.42);}
.btn-ghost{background:rgba(255,255,255,.06);border:1px solid var(--line);color:var(--text);}
.btn-ghost:hover{background:rgba(255,255,255,.12);}
.btn-gold{background:linear-gradient(135deg,#FFE6A0,#FFC24B);color:#3a2a00;box-shadow:0 10px 30px rgba(255,194,75,.30);}
.btn-block{width:100%;}
.btn-sm{padding:8px 14px;font-size:13px;}

/* ---------------- 悬浮胶囊导航 ---------------- */
.nav{position:fixed;top:14px;left:50%;transform:translateX(-50%);z-index:60;
  width:min(960px,calc(100% - 24px));height:var(--nav-h);
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  padding:0 10px 0 18px;border-radius:999px;
  background:rgba(28,28,30,.55);backdrop-filter:blur(22px) saturate(160%);-webkit-backdrop-filter:blur(22px) saturate(160%);
  border:1px solid rgba(255,255,255,.10);box-shadow:0 12px 40px rgba(0,0,0,.45);}
.nav .logo{display:flex;align-items:center;gap:9px;font-weight:800;font-size:18px;letter-spacing:.5px;}
.nav .logo .mark{width:30px;height:30px;border-radius:9px;background:var(--grad);display:grid;place-items:center;font-size:16px;box-shadow:0 6px 16px rgba(94,92,230,.5);}
.nav .links{display:flex;align-items:center;gap:4px;}
.nav .links a{padding:9px 14px;border-radius:999px;font-size:14px;font-weight:500;color:var(--muted);transition:.2s;}
.nav .links a:hover{color:var(--text);background:rgba(255,255,255,.06);}
.nav .links a.active{color:#06121a;background:var(--grad);font-weight:600;}
.nav .right{display:flex;align-items:center;gap:6px;}
.nav .cart-btn{position:relative;width:42px;height:42px;border-radius:50%;display:grid;place-items:center;
  background:rgba(255,255,255,.06);border:1px solid var(--line);font-size:18px;transition:.2s;}
.nav .cart-btn:hover{background:rgba(255,255,255,.14);}
.nav .cart-count{position:absolute;top:-4px;right:-4px;min-width:18px;height:18px;padding:0 5px;border-radius:999px;
  background:var(--c-cyan);color:#06121a;font-size:11px;font-weight:800;display:grid;place-items:center;box-shadow:0 0 0 2px #000;}
.nav .avatar-btn{width:42px;height:42px;border-radius:50%;background:var(--grad);display:grid;place-items:center;font-weight:700;font-size:14px;color:#06121a;}
.nav .menu-toggle{display:none;width:42px;height:42px;border-radius:50%;background:rgba(255,255,255,.06);border:1px solid var(--line);font-size:18px;}

/* ---------------- Hero ---------------- */
.hero{position:relative;padding:150px 0 70px;text-align:center;}
.hero h1{font-size:clamp(42px,7vw,82px);font-weight:800;line-height:1.08;letter-spacing:-1px;}
.hero p{margin:22px auto 0;max-width:640px;color:var(--muted);font-size:clamp(15px,2vw,19px);}
.hero .cta{margin-top:34px;display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}
.hero .float-tags{margin-top:40px;display:flex;gap:10px;justify-content:center;flex-wrap:wrap;}

/* ---------------- 四大工作室发光横幅（游戏风格大字体发光框） ---------------- */
.studio-banner{position:relative;margin:18px auto 0;max-width:980px;
  border-radius:var(--radius-lg);padding:38px 30px;text-align:center;overflow:hidden;
  background:linear-gradient(180deg,rgba(28,28,30,.9),rgba(10,10,12,.95));
  border:2px solid transparent;
  background-clip:padding-box;
}
.studio-banner::before{content:"";position:absolute;inset:0;border-radius:inherit;padding:2px;
  background:linear-gradient(120deg,var(--gold),#fff6d8,var(--gold),#b8860b);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;
  animation:goldFlow 6s linear infinite;pointer-events:none;}
@keyframes goldFlow{0%{filter:hue-rotate(0)}100%{filter:hue-rotate(20deg)}}
.studio-banner .glow{position:absolute;inset:-2px;border-radius:inherit;pointer-events:none;
  box-shadow:0 0 60px rgba(255,214,107,.35),inset 0 0 50px rgba(255,214,107,.12);
  animation:glowPulse 3.2s ease-in-out infinite;}
@keyframes glowPulse{0%,100%{opacity:.55}50%{opacity:1}}
.studio-banner .shield{width:74px;height:84px;margin:0 auto 14px;filter:drop-shadow(0 6px 18px rgba(255,214,107,.5));}
.studio-banner h2{position:relative;font-size:clamp(30px,5vw,52px);font-weight:900;letter-spacing:2px;
  background:linear-gradient(180deg,#FFF3C9,#FFD66B 60%,#C9962E);-webkit-background-clip:text;background-clip:text;color:transparent;
  text-shadow:0 0 28px rgba(255,214,107,.35);animation:titleGlow 3.2s ease-in-out infinite;}
@keyframes titleGlow{0%,100%{filter:drop-shadow(0 0 10px rgba(255,214,107,.25))}50%{filter:drop-shadow(0 0 26px rgba(255,214,107,.6))}}
.studio-grid{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:26px;}
.studio-grid .s{background:rgba(255,255,255,.04);border:1px solid rgba(255,214,107,.18);border-radius:18px;padding:16px 10px;transition:.25s;}
.studio-grid .s:hover{transform:translateY(-4px);border-color:rgba(255,214,107,.5);box-shadow:0 12px 30px rgba(255,214,107,.14);}
.studio-grid .s .nm{font-weight:700;font-size:15px;}
.studio-grid .s .tg{color:var(--gold);font-size:12px;margin-top:4px;}
.studio-foot{position:relative;margin-top:18px;color:var(--muted);font-size:12px;letter-spacing:3px;}

/* ---------------- Bento 工具区 ---------------- */
.bento{display:grid;grid-template-columns:repeat(6,1fr);gap:16px;}
.bento .tile{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;
  position:relative;overflow:hidden;transition:transform .2s,box-shadow .25s,border-color .25s;}
.bento .tile:hover{transform:translateY(-5px);border-color:rgba(0,229,201,.4);box-shadow:var(--shadow);}
.bento .tile .ico{font-size:30px;}
.bento .tile h3{font-size:17px;margin-top:12px;font-weight:700;}
.bento .tile p{color:var(--muted);font-size:13px;margin-top:6px;}
.bento .tile .go{margin-top:14px;font-size:13px;color:var(--c-cyan);font-weight:600;display:inline-flex;gap:6px;align-items:center;}
.tile.span2{grid-column:span 2;}
.tile.span3{grid-column:span 3;}
.tile.span4{grid-column:span 4;}
.tile.feature{background:var(--grad-soft);border-color:rgba(94,92,230,.4);}

/* ---------------- 课程 / 软件卡片 ---------------- */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s;}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:rgba(0,229,201,.35);}
.course-feature{display:grid;grid-template-columns:1.1fr 1fr;gap:0;align-items:stretch;}
.course-feature .cover{background:linear-gradient(135deg,#5E5CE6,#00E5C9);position:relative;min-height:300px;display:grid;place-items:center;}
.course-feature .cover .big{font-size:120px;filter:drop-shadow(0 10px 30px rgba(0,0,0,.35));}
.course-feature .body{padding:34px;}
.course-feature .body h3{font-size:26px;font-weight:800;}
.course-feature .body .price{font-size:32px;font-weight:800;color:var(--c-cyan);margin:10px 0 16px;}
.course-feature .body .price small{font-size:15px;color:var(--muted);font-weight:500;text-decoration:line-through;margin-left:8px;}
.learn-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:18px 0;}
.learn-grid .l{background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:14px;padding:14px;font-size:14px;}
.learn-grid .l b{display:block;margin-bottom:3px;}

.soft-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.soft-card{padding:24px;display:flex;flex-direction:column;gap:10px;}
.soft-card .top{display:flex;align-items:center;gap:12px;}
.soft-card .top .em{width:48px;height:48px;border-radius:14px;background:var(--grad-soft);display:grid;place-items:center;font-size:24px;border:1px solid rgba(94,92,230,.35);}
.soft-card h3{font-size:18px;font-weight:700;}
.soft-card .desc{color:var(--muted);font-size:13px;line-height:1.5;}
.soft-card .price-row{margin-top:auto;}
.soft-shot{width:100%;aspect-ratio:16/10;border-radius:14px;overflow:hidden;background:var(--card-2);display:grid;place-items:center;margin-bottom:2px;}
.soft-shot img{width:100%;height:100%;object-fit:cover;display:block;}
.soft-shot.no-shot::after{content:attr(data-em);font-size:38px;}
.soft-badge{display:inline-block;align-self:flex-start;font-size:11px;font-weight:700;padding:3px 10px;border-radius:999px;background:rgba(0,229,201,.12);color:var(--c-cyan);border:1px solid rgba(0,229,201,.3);}
.soft-card.hot{border-color:rgba(255,214,107,.5);box-shadow:0 0 0 1px rgba(255,214,107,.25),var(--shadow);}
.soft-card.hot .soft-badge{background:rgba(255,214,107,.15);color:#FFD66B;border-color:rgba(255,214,107,.4);}
.soft-feat{list-style:none;display:flex;flex-direction:column;gap:6px;margin:2px 0;padding:0;}
.soft-feat li{position:relative;padding-left:16px;font-size:13px;color:var(--text);line-height:1.45;}
.soft-feat li::before{content:"•";position:absolute;left:2px;color:var(--c-cyan);}
.soft-note{display:flex;flex-direction:column;gap:5px;margin:2px 0;}
.soft-note .nt{font-size:12px;color:#E8B873;background:rgba(255,214,107,.08);border:1px solid rgba(255,214,107,.22);border-radius:10px;padding:7px 10px;line-height:1.4;}
.soft-price{font-size:14px;}
.soft-price b{color:var(--c-cyan);font-weight:800;font-size:18px;}
.soft-card .plan{font-size:13px;color:var(--text);}
.soft-card .plan .pp{color:var(--c-cyan);font-weight:700;font-size:16px;}
.ship-tip{margin-top:12px;padding:10px 14px;border-radius:12px;background:linear-gradient(90deg,rgba(255,214,107,.16),rgba(0,229,201,.12));border:1px solid rgba(255,214,107,.4);font-size:13px;color:#FFE9A8;line-height:1.5;}
.ship-tip a{color:#FFD66B;font-weight:700;text-decoration:underline;}
.course-sub{padding:16px 18px;display:flex;flex-direction:column;gap:8px;background:rgba(255,255,255,.03);}
.course-sub .cs-row{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.course-sub .cs-info h4{font-size:15px;font-weight:700;}
.course-sub .cs-price{color:var(--c-cyan);font-weight:700;font-size:15px;}
.course-sub .cs-price small{color:var(--muted);font-weight:400;font-size:12px;margin-left:4px;text-decoration:line-through;}
.course-sub .cs-desc{font-size:12px;}
.price-row{display:flex;align-items:center;justify-content:space-between;margin-top:6px;}

/* ---------------- 统计数字 ---------------- */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;text-align:center;}
.stat .num{font-size:40px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.stat .lb{color:var(--muted);font-size:13px;margin-top:4px;}

/* ---------------- 我的 / 订单 ---------------- */
.profile{display:flex;align-items:center;gap:18px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;}
.profile .av{width:72px;height:72px;border-radius:50%;background:var(--grad);display:grid;place-items:center;font-size:30px;font-weight:800;color:#06121a;}
.profile .nm{font-size:22px;font-weight:700;}
.order{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-sm);padding:18px;margin-bottom:12px;display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;}
.order .meta{display:flex;flex-direction:column;gap:2px;}
.order .meta .pn{font-weight:700;}
.order .meta .pd{color:var(--muted);font-size:13px;}
.tag-status{font-size:12px;font-weight:700;padding:4px 12px;border-radius:999px;}
.st-unpaid{background:rgba(255,159,10,.15);color:#FFB340;}
.st-paid{background:rgba(0,229,201,.15);color:var(--c-cyan);}
.st-shipped{background:rgba(94,92,230,.18);color:#9b9bff;}
.delivery{width:100%;background:rgba(0,229,201,.06);border:1px dashed rgba(0,229,201,.4);border-radius:12px;padding:12px;font-size:13px;}
.delivery a{color:var(--c-cyan);word-break:break-all;}

/* ---------------- 购物车抽屉 ---------------- */
.scrim{position:fixed;inset:0;background:rgba(0,0,0,.55);backdrop-filter:blur(3px);z-index:70;opacity:0;visibility:hidden;pointer-events:none;transition:.25s;}
.scrim.open{opacity:1;visibility:visible;pointer-events:auto;}
.drawer{position:fixed;top:0;right:0;height:100%;width:min(420px,92vw);z-index:80;
  background:rgba(20,20,22,.96);backdrop-filter:blur(20px);border-left:1px solid var(--line);
  transform:translateX(100%);transition:transform .3s cubic-bezier(.4,0,.2,1);display:flex;flex-direction:column;pointer-events:none;}
.drawer.open{transform:translateX(0);pointer-events:auto;}
.drawer .dh{padding:20px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);}
.drawer .dh h3{font-size:18px;font-weight:700;}
.drawer .dbody{flex:1;overflow-y:auto;padding:16px 20px;}
.drawer .dfoot{padding:18px 20px;border-top:1px solid var(--line);}
.cart-item{display:flex;gap:12px;align-items:center;padding:12px 0;border-bottom:1px solid var(--line);}
.cart-item .ci-ic{width:44px;height:44px;border-radius:12px;background:var(--grad-soft);display:grid;place-items:center;font-size:22px;flex:none;}
.cart-item .ci-meta{flex:1;min-width:0;}
.cart-item .ci-meta .nm{font-weight:600;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.cart-item .ci-meta .pl{color:var(--muted);font-size:12px;}
.cart-item .ci-price{font-weight:700;color:var(--c-cyan);}
.cart-item .ci-del{color:var(--muted);font-size:18px;padding:4px 8px;}
.cart-empty{color:var(--muted);text-align:center;padding:50px 0;}
.cart-total{display:flex;justify-content:space-between;font-size:18px;font-weight:700;margin-bottom:14px;}
.cart-total .v{color:var(--c-cyan);}

/* ---------------- 模态框 ---------------- */
.modal{position:fixed;inset:0;z-index:90;display:none;align-items:center;justify-content:center;padding:20px;}
.modal.open{display:flex;}
.modal .scrim2{position:absolute;inset:0;background:rgba(0,0,0,.6);backdrop-filter:blur(4px);}
.modal .box{position:relative;width:min(440px,100%);background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);max-height:90vh;overflow-y:auto;}
.modal .box h3{font-size:22px;font-weight:800;margin-bottom:18px;}
.field{margin-bottom:14px;}
.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px;}
.field input,.field select,.field textarea{width:100%;padding:13px 14px;border-radius:14px;background:var(--card-2);border:1px solid var(--line);color:var(--text);font-size:15px;outline:none;transition:.2s;}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--c-cyan);background:var(--card-3);}
.field .err{color:#ff6b6b;font-size:12px;margin-top:5px;min-height:14px;}
.tabs{display:flex;gap:6px;background:var(--card-2);padding:5px;border-radius:14px;margin-bottom:18px;}
.tabs button{flex:1;padding:10px;border-radius:10px;font-size:14px;font-weight:600;color:var(--muted);}
.tabs button.on{background:var(--grad);color:#06121a;}
.switch{display:flex;gap:8px;justify-content:center;margin-top:14px;color:var(--muted);font-size:13px;}
.switch a{color:var(--c-cyan);font-weight:600;}
.pay-qr{text-align:center;}
.pay-qr .qr-row{display:flex;gap:18px;justify-content:center;flex-wrap:wrap;margin:6px 0 4px;}
.pay-qr .qr-img{width:160px;aspect-ratio:7/10;border-radius:12px;display:block;object-fit:contain;background:#fff;}

/* ---------------- 工具页 ---------------- */
.tool-cats{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:24px;}
.tool-cats button{padding:9px 18px;border-radius:999px;background:rgba(255,255,255,.06);border:1px solid var(--line);color:var(--muted);font-weight:600;font-size:14px;}
.tool-cats button.on{background:var(--grad);color:#06121a;border-color:transparent;}
.tool-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
.tool-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;transition:.25s;cursor:pointer;text-align:left;}
.tool-card:hover{transform:translateY(-5px);border-color:rgba(0,229,201,.4);box-shadow:var(--shadow);}
.tool-card .ico{font-size:28px;}
.tool-card h3{font-size:16px;margin-top:10px;font-weight:700;}
.tool-card p{color:var(--muted);font-size:13px;margin-top:6px;}
.tool-card .stat-pill{margin-top:12px;font-size:11px;padding:3px 9px;border-radius:999px;background:rgba(255,255,255,.06);color:var(--muted);}
.tool-card .stat-pill.live{background:rgba(0,229,201,.14);color:var(--c-cyan);}

/* 工具工作台 */
.tool-workspace{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;margin-top:18px;}
.tool-workspace .tw-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;flex-wrap:wrap;gap:10px;}
.tool-workspace h3{font-size:22px;font-weight:800;}
.tw-body{display:flex;flex-direction:column;gap:16px;}
.kbd{display:inline-block;padding:2px 8px;border-radius:6px;background:var(--card-2);border:1px solid var(--line);font-size:12px;font-family:ui-monospace,monospace;}
.pill-row{display:flex;gap:8px;flex-wrap:wrap;align-items:center;}
.control{display:flex;align-items:center;gap:12px;flex-wrap:wrap;}
.control label{color:var(--muted);font-size:13px;min-width:64px;}
.control input[type=range]{flex:1;min-width:140px;accent-color:var(--c-cyan);}
.control select,.control input[type=text],.control input[type=number]{padding:9px 12px;border-radius:10px;background:var(--card-2);border:1px solid var(--line);color:var(--text);}
.readout{font-size:46px;font-weight:800;text-align:center;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;font-variant-numeric:tabular-nums;}
.subread{text-align:center;color:var(--muted);font-size:14px;}
.canvas-box{width:100%;height:160px;background:#000;border-radius:14px;border:1px solid var(--line);overflow:hidden;}
.piano{display:flex;position:relative;user-select:none;}
.piano .wk{position:relative;width:46px;height:170px;background:linear-gradient(#fff,#e9e9ec);border:1px solid #333;border-radius:0 0 6px 6px;margin-right:1px;}
.piano .wk.active{background:linear-gradient(var(--c-cyan),#00b89f);}
.piano .bk{position:absolute;width:30px;height:105px;background:#1a1a1a;border-radius:0 0 5px 5px;z-index:2;transform:translateX(-15px);}
.piano .bk.active{background:var(--c-purple);}
.drum-grid{display:grid;grid-template-columns:repeat(8,1fr);gap:8px;}
.drum-pad{aspect-ratio:1;border-radius:12px;background:var(--card-2);border:1px solid var(--line);display:grid;place-items:center;font-size:12px;color:var(--muted);transition:.1s;}
.drum-pad.on{background:var(--c-cyan);color:#06121a;font-weight:800;}
.drum-pad.hit{transform:scale(.92);box-shadow:0 0 18px rgba(0,229,201,.6);}
.upgrade{text-align:center;padding:40px 20px;color:var(--muted);}
.upgrade .em{font-size:54px;}
.placeholder-list{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;}
.placeholder-list .pl{background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:12px;padding:12px;font-size:13px;}
.placeholder-list .pl b{display:block;margin-bottom:3px;}

/* ---------------- 商家后台 ---------------- */
.admin-shell{display:grid;grid-template-columns:220px 1fr;gap:20px;align-items:start;}
.admin-side{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:14px;position:sticky;top:90px;}
.admin-side button{display:flex;width:100%;align-items:center;gap:10px;padding:12px 14px;border-radius:12px;color:var(--muted);font-weight:600;font-size:14px;}
.admin-side button.on{background:var(--grad);color:#06121a;}
.admin-panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;min-height:420px;}
.admin-panel h3{font-size:20px;font-weight:800;margin-bottom:18px;}
.filter-row{display:flex;gap:8px;margin-bottom:16px;flex-wrap:wrap;}
.filter-row button{padding:7px 14px;border-radius:999px;background:rgba(255,255,255,.06);border:1px solid var(--line);color:var(--muted);font-size:13px;font-weight:600;}
.filter-row button.on{background:var(--grad);color:#06121a;}
.table{width:100%;border-collapse:collapse;font-size:14px;}
.table th,.table td{padding:12px 10px;text-align:left;border-bottom:1px solid var(--line);}
.table th{color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.5px;}
.input-mini{padding:8px 10px;border-radius:10px;background:var(--card-2);border:1px solid var(--line);color:var(--text);font-size:13px;width:100%;}

/* ---------------- 底部 ---------------- */
.footer{margin-top:40px;border-top:1px solid var(--line);padding:46px 0 60px;text-align:center;color:var(--muted);}
.footer .slogan{font-size:22px;font-weight:700;color:var(--text);margin-bottom:10px;}
.footer .links{display:flex;gap:18px;justify-content:center;flex-wrap:wrap;margin:16px 0;font-size:14px;}
.footer .copy{font-size:12px;opacity:.7;}
/* ---------------- 独立商家后台顶栏 ---------------- */
.admin-bar{position:sticky;top:0;z-index:60;background:rgba(20,20,22,.7);backdrop-filter:blur(18px);border-bottom:1px solid var(--line);}
.admin-bar .logo{display:flex;align-items:center;gap:9px;font-weight:800;font-size:17px;letter-spacing:.5px;}
.admin-bar .logo .mark{width:30px;height:30px;border-radius:9px;background:var(--grad);display:grid;place-items:center;font-size:16px;}

.toast{position:fixed;left:50%;bottom:32px;transform:translateX(-50%) translateY(20px);z-index:120;
  background:rgba(28,28,30,.96);border:1px solid var(--line);color:var(--text);padding:13px 22px;border-radius:999px;
  font-size:14px;font-weight:600;box-shadow:var(--shadow);opacity:0;transition:.3s;pointer-events:none;}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0);}
.divider{height:1px;background:var(--line);margin:8px 0;}

/* ---------------- 响应式 ---------------- */
@media (max-width:1000px){
  .bento{grid-template-columns:repeat(4,1fr);}
  .tile.span3,.tile.span4{grid-column:span 4;}
  .soft-grid{grid-template-columns:repeat(2,1fr);}
  .tool-grid{grid-template-columns:repeat(2,1fr);}
  .course-feature{grid-template-columns:1fr;}
  .studio-grid{grid-template-columns:repeat(2,1fr);}
  .admin-shell{grid-template-columns:1fr;}
  .admin-side{position:static;display:flex;overflow-x:auto;}
}
@media (max-width:640px){
  .nav .links{display:none;}
  .nav .menu-toggle{display:grid;}
  .nav.open .links{display:flex;position:absolute;top:74px;left:0;right:0;flex-direction:column;
    background:rgba(28,28,30,.96);backdrop-filter:blur(22px);border:1px solid var(--line);border-radius:20px;padding:10px;}
  .nav.open .links a{padding:12px;}
  .section{padding:44px 0;}
  .bento{grid-template-columns:repeat(2,1fr);}
  .tile.span2,.tile.span3,.tile.span4{grid-column:span 2;}
  .soft-grid,.tool-grid{grid-template-columns:1fr;}
  .learn-grid{grid-template-columns:1fr;}
  .stats{grid-template-columns:1fr;}
  .studio-grid{grid-template-columns:1fr;}
  .hero{padding:120px 0 50px;}
  .section-head h2{font-size:24px;}
}