/* =====================================================================
 * Gandi 3.0 官网
 *
 * 站点本身：近黑的蓝灰底，Gandi 的品牌蓝 #2d8cff 做唯一强调色。
 * 页面里模拟的编辑器：颜色一律取自 gandi-gui-3.0/src/theme.css 的深色主题，
 * 积木是 gandi-blocks 真正渲染出来的 SVG，不是画的。
 * =================================================================== */

:root {
  color-scheme: dark;

  --ink: #0b0d12;
  --ink-2: #11141b;
  --ink-3: #171b24;
  --paper: #f3f5f9;
  --soft: #a7afc0;
  --mute: #6b7385;
  --hair: rgb(255 255 255 / 7%);
  --hair-2: rgb(255 255 255 / 13%);

  --acc: #2d8cff;
  --acc-hi: #62aaff;
  --acc-soft: rgb(45 140 255 / 14%);
  --acc-glow: rgb(45 140 255 / 22%);

  --green: #46d6a8;
  --gold: #ffb454;
  --coral: #ff6f91;
  --scene: #7b61ff;

  /* 编辑器表面 —— theme.css 深色主题原值 */
  --e-bg: #16191f;
  --e-page: #191e25;
  --e-panel: #242731;
  --e-head: #2e3644;
  --e-line: #3e495b;
  --e-line-2: #566276;
  --e-input: #39414f;
  --e-hover: #3f4654;
  --e-dim: #9ca3af;
  --e-grid: #262b35;

  --ease: cubic-bezier(0.22, 0.85, 0.24, 1);
  --spring: cubic-bezier(0.34, 1.56, 0.64, 1);

  --font-cjk: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", system-ui, sans-serif;
  --font-latin: "Sora", var(--font-cjk);
  --font-mono: "JetBrains Mono", "Cascadia Code", Consolas, monospace;
  --nav-h: 64px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { background: var(--ink); }
body { margin: 0; color: var(--paper); font-family: var(--font-cjk); font-size: 17px; line-height: 1.8; -webkit-font-smoothing: antialiased; overflow-x: clip; }
img, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; }
kbd { padding: 0.05em 0.45em; font: 600 0.82em var(--font-mono); color: var(--paper); background: rgb(255 255 255 / 7%); border: 1px solid var(--hair-2); border-bottom-width: 2px; border-radius: 6px; }
code { font-family: var(--font-mono); font-size: 0.9em; }
:focus-visible { outline: 2px solid var(--acc-hi); outline-offset: 3px; }
.pad { width: min(80rem, 100% - 3rem); margin-inline: auto; }

/* ---- 字 --------------------------------------------------------- */
h1, h2, h3, h4 { margin: 0; font-weight: 800; letter-spacing: -0.02em; text-wrap: balance; }
h1 { font-size: clamp(2.6rem, 6.6vw, 5.2rem); line-height: 1.06; font-weight: 900; }
h2 { font-size: clamp(1.9rem, 4.2vw, 3.1rem); line-height: 1.14; }
h3 { font-size: 1.2rem; font-weight: 700; letter-spacing: -0.01em; }
h4 { font-size: 1rem; font-weight: 700; }
p { margin: 0; }
.num { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.kicker { display: inline-flex; align-items: center; gap: 0.6rem; font-family: var(--font-latin); font-size: 0.72rem; font-weight: 700; letter-spacing: 0.22em; color: var(--acc-hi); text-transform: uppercase; }
.kicker::before { content: ""; width: 22px; height: 2px; background: var(--acc); border-radius: 2px; }
.sub { max-width: 42ch; font-size: clamp(1.02rem, 1.5vw, 1.18rem); line-height: 1.75; color: var(--soft); }
.tiny { font-size: 0.88rem; color: var(--mute); }
.hi { color: var(--acc-hi); }
.green { color: var(--green); }

/* ---- 揭示 -------------------------------------------------------- */
.rv { transition: opacity 0.9s var(--ease), translate 0.9s var(--ease); }
.js .rv { opacity: 0.001; translate: 0 24px; }
.js .rv.in { opacity: 1; translate: 0 0; }
.js .rv[data-d="1"] { transition-delay: 0.08s; }
.js .rv[data-d="2"] { transition-delay: 0.16s; }
.js .rv[data-d="3"] { transition-delay: 0.24s; }
.js .rv[data-d="4"] { transition-delay: 0.32s; }

/* ---- 导航 -------------------------------------------------------- */
.nav { position: sticky; top: 0; z-index: 50; height: var(--nav-h); backdrop-filter: blur(18px) saturate(1.3); -webkit-backdrop-filter: blur(18px) saturate(1.3); background: rgb(11 13 18 / 66%); border-bottom: 1px solid transparent; transition: border-color 0.4s, background 0.4s; }
.nav.solid { border-bottom-color: var(--hair); background: rgb(11 13 18 / 82%); }
.nav-in { display: flex; align-items: center; height: 100%; gap: 2rem; position: relative; }
.brand { display: flex; align-items: center; gap: 0.55rem; font-family: var(--font-latin); font-weight: 700; color: #fff; }
.brand svg { color: #fff; }
.brand .ver { padding: 0.05rem 0.45rem; font-size: 0.7rem; font-weight: 700; color: var(--acc-hi); background: var(--acc-soft); border-radius: 999px; }
.nav-links { display: flex; gap: 1.6rem; margin-left: 1rem; font-size: 0.9rem; color: var(--soft); }
.nav-links a { position: relative; padding: 0.3rem 0; transition: color 0.3s; }
.nav-links a::after { position: absolute; left: 0; right: 100%; bottom: 0; height: 1.5px; background: var(--acc); content: ""; transition: right 0.35s var(--ease); }
.nav-links a:hover { color: var(--paper); }
.nav-links a:hover::after { right: 0; }
.nav-cta { margin-left: auto; display: flex; gap: 0.6rem; }
.progress { position: absolute; left: 0; bottom: -1px; height: 1.5px; width: 0; background: var(--acc); transition: width 0.15s linear; }

.btn { display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.62rem 1.15rem; font-size: 0.92rem; font-weight: 600; border: 1px solid var(--hair-2); border-radius: 10px; background: rgb(255 255 255 / 4%); transition: background 0.3s, border-color 0.3s, translate 0.3s var(--ease), box-shadow 0.3s; }
.btn:hover { background: rgb(255 255 255 / 9%); border-color: rgb(255 255 255 / 22%); translate: 0 -1px; }
.btn.pri { color: #fff; background: var(--acc); border-color: var(--acc); box-shadow: 0 8px 28px -10px rgb(45 140 255 / 75%); }
.btn.pri:hover { background: #3d97ff; box-shadow: 0 14px 36px -10px rgb(45 140 255 / 85%); }
.btn.lg { padding: 0.85rem 1.5rem; font-size: 1rem; border-radius: 12px; }
.btn svg { width: 18px; height: 18px; }

/* ---- 首屏 -------------------------------------------------------- */
.hero { position: relative; padding: clamp(3rem, 7vh, 5.5rem) 0 clamp(2rem, 5vh, 4rem); overflow: hidden; }
.hero-glow { position: absolute; inset: 0; pointer-events: none; background: radial-gradient(70rem 36rem at 70% -12%, var(--acc-glow), transparent 65%); }
.hero-grid { position: absolute; inset: 0; pointer-events: none; opacity: 0.55; background-image: linear-gradient(var(--hair) 1px, transparent 1px), linear-gradient(90deg, var(--hair) 1px, transparent 1px); background-size: 64px 64px; mask-image: radial-gradient(70rem 40rem at 50% 0%, #000 20%, transparent 70%); -webkit-mask-image: radial-gradient(70rem 40rem at 50% 0%, #000 20%, transparent 70%); }
.hero-in { position: relative; display: grid; gap: clamp(2rem, 4vw, 3.2rem); }
.hero-copy { display: grid; gap: 1.4rem; max-width: 64rem; }
.hero h1 span { display: block; }
.hero-row { display: flex; flex-wrap: wrap; gap: 1.2rem 2.5rem; align-items: flex-end; justify-content: space-between; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.7rem; align-items: center; }
.hero-note { display: flex; gap: 0.6rem; align-items: center; font-size: 0.86rem; color: var(--mute); }
.hero-note i { width: 7px; height: 7px; border-radius: 50%; background: var(--green); animation: pulse 2.2s infinite; }
@keyframes pulse { 0%, 100% { box-shadow: 0 0 0 3px rgb(70 214 168 / 22%); } 50% { box-shadow: 0 0 0 7px rgb(70 214 168 / 6%); } }

/* ---- 真实积木 ------------------------------------------------------ */
.bk { display: block; width: auto; height: auto; max-width: none; user-select: none; -webkit-user-drag: none; pointer-events: none; }
.bk-stack { position: relative; display: block; }
.bk-stack .bk { position: absolute; left: 0; top: 0; }
.bk[hidden] { display: none; }

/* ---- 模拟编辑器：公共零件 ------------------------------------------- */
.ed { --bs: 0.62; position: relative; overflow: hidden; background: var(--e-bg); border: 1px solid rgb(255 255 255 / 9%); border-radius: 14px; box-shadow: 0 60px 120px -50px rgb(0 0 0 / 95%), 0 30px 90px -50px var(--acc-glow); font-size: 12px; line-height: 1.4; color: var(--paper); user-select: none; }
.ed-top { display: flex; align-items: center; gap: 10px; height: 34px; padding: 0 12px; background: var(--e-bg); border-bottom: 1px solid var(--e-line); }
.ed-top .brand { font-size: 12px; gap: 6px; }
.ed-top .brand svg { width: 52px; height: 13px; }
.ed-top .brand small { font-weight: 600; color: var(--e-dim); font-size: 10px; }
.ed-top .mi { font-size: 11px; color: var(--e-dim); }
.ed-top .search { width: 150px; height: 20px; border-radius: 5px; background: var(--e-input); }
.ed-top .sp { flex: 1; }
.ed-tools { display: flex; gap: 4px; }
.ed-tools i { width: 22px; height: 22px; border-radius: 5px; background: rgb(255 255 255 / 6%); display: grid; place-items: center; }
.ed-tools i::after { content: ""; width: 11px; height: 11px; border-radius: 2px; border: 1.6px solid rgb(255 255 255 / 60%); }
.ed-tools i.on { background: var(--acc); }
.ed-tools i.on::after { border-color: #fff; }
.ed-tools i.gap { width: 8px; background: none; }
.ed-tools i.gap::after { display: none; }

.pn { display: flex; flex-direction: column; min-width: 0; min-height: 0; background: var(--e-page); border: 1px solid var(--e-line); border-radius: 8px; overflow: hidden; }
.tabs { display: flex; align-items: stretch; height: 30px; background: var(--e-panel); border-bottom: 1px solid var(--e-line); flex: none; }
.tab { display: flex; align-items: center; gap: 6px; padding: 0 12px; font-size: 11px; color: var(--e-dim); position: relative; white-space: nowrap; }
.tab.on { color: #fff; background: var(--e-page); }
.tab.on::after { position: absolute; left: 0; right: 0; bottom: -1px; height: 2px; background: var(--acc); content: ""; }
.tabs .sp { flex: 1; }
.tabs .ic { width: 26px; display: grid; place-items: center; color: var(--e-dim); font-size: 12px; }
.pn-b { flex: 1; position: relative; min-height: 0; overflow: hidden; }
.ws-dots { background-color: var(--e-page); background-image: radial-gradient(var(--e-line) 1.2px, transparent 1.2px); background-size: 26px 26px; }

/* 角色面板 */
.sp-search { display: flex; gap: 5px; align-items: center; padding: 8px; }
.sp-search .in { flex: 1; min-width: 0; height: 22px; padding: 0 8px; font-size: 10.5px; line-height: 22px; white-space: nowrap; overflow: hidden; color: var(--e-dim); background: var(--e-input); border-radius: 5px; }
.sp-search i { width: 22px; height: 22px; border-radius: 5px; background: rgb(255 255 255 / 6%); }
.sp-search i.on { background: var(--acc); }
.sp-row { display: flex; align-items: center; gap: 8px; height: 30px; padding: 0 8px 0 10px; font-size: 11.5px; color: var(--paper); }
.sp-row .tri { width: 0; height: 0; border: 4px solid transparent; border-left: 5px solid var(--e-dim); }
.sp-row .th { width: 22px; height: 22px; border-radius: 4px; background: #fff; display: grid; place-items: center; overflow: hidden; }
.sp-row .th img { height: 20px; width: auto; }
.sp-row .th.stage { background: rgb(255 255 255 / 12%); }
.sp-row .sp { flex: 1; }
.sp-row .cn { font-size: 10px; color: var(--e-dim); }
.sp-row.on { background: var(--acc); color: #fff; }
.sp-row.on .cn { color: rgb(255 255 255 / 80%); }
.sp-row.on .tri { border-left-color: #fff; }
.sp-row .cross { padding: 0 6px; font-size: 9.5px; border-radius: 999px; background: rgb(255 255 255 / 18%); }
.sp-foot { position: absolute; left: 0; right: 0; bottom: 0; display: grid; gap: 6px; padding: 8px; font-size: 10.5px; color: var(--e-dim); border-top: 1px solid var(--e-line); background: var(--e-page); }
.sp-foot .r { display: flex; gap: 5px; align-items: center; }
.sp-foot .f { flex: 1; height: 20px; padding: 0 7px; line-height: 20px; color: #fff; background: var(--e-input); border-radius: 4px; text-align: center; font-family: var(--font-mono); font-size: 10px; }
.sp-foot .f.n { flex: 3; text-align: left; font-family: var(--font-cjk); }
.sp-foot .eye { width: 26px; height: 20px; border-radius: 4px; background: var(--acc); }

/* 积木栏 */
.fly { display: grid; grid-template-columns: 58px 1fr; height: 100%; }
.cats { display: flex; flex-direction: column; padding: 4px 0; border-right: 1px solid var(--e-line); background: var(--e-panel); overflow: hidden; }
.cat { position: relative; display: flex; flex-direction: column; align-items: center; gap: 2px; padding: 8px 0 7px; font-size: 10.5px; color: var(--e-dim); }
.cat svg { width: 16px; height: 16px; stroke: currentColor; fill: none; stroke-width: 1.6; }
.cat::after { position: absolute; right: 0; top: 10px; bottom: 10px; width: 3px; border-radius: 2px 0 0 2px; background: var(--c); content: ""; }
.cat.on { background: var(--acc); color: #fff; }
.fly-list { position: relative; display: flex; flex-direction: column; gap: 9px; padding: 10px 10px; overflow: hidden; }
.fly-list .lbl { font-size: 11.5px; font-weight: 600; color: #fff; }
.fly-list .lbl::after { content: " ▾"; color: var(--e-dim); font-size: 9px; }
.fly-list .bk { position: relative; }

/* 工作区 */
.ws { position: absolute; inset: 0; }
.ws .bk-stack { position: absolute; }
.ws-zoom { position: absolute; right: 10px; bottom: 16px; display: flex; flex-direction: column; border: 1px solid var(--e-line); border-radius: 6px; background: var(--e-panel); overflow: hidden; }
.ws-zoom i { width: 24px; height: 24px; display: grid; place-items: center; color: var(--e-dim); font-size: 12px; font-style: normal; }
.ws-zoom i + i { border-top: 1px solid var(--e-line); }
.ws-scroll { position: absolute; left: 40%; right: 20%; bottom: 4px; height: 6px; border-radius: 3px; background: var(--e-line-2); opacity: 0.8; }
.ws-vscroll { position: absolute; right: 4px; top: 40%; bottom: 30%; width: 6px; border-radius: 3px; background: var(--e-line-2); opacity: 0.8; }

/* 舞台 */
.stage-win { position: absolute; z-index: 4; display: flex; flex-direction: column; background: var(--e-panel); border: 1px solid var(--e-line); border-radius: 8px; overflow: hidden; box-shadow: 0 24px 50px -20px rgb(0 0 0 / 80%); }
.stage-bar { display: flex; align-items: center; gap: 6px; height: 30px; padding: 0 8px; }
.stage-bar .go { width: 40px; height: 20px; border-radius: 4px; background: #45b747; display: grid; place-items: center; }
.stage-bar .go::after { content: ""; width: 12px; height: 12px; background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M5 3v18' stroke='%23fff' stroke-width='2.6' stroke-linecap='round'/%3E%3Cpath d='M6 4c4-2 7 2 11 0v10c-4 2-7-2-11 0z' fill='%23fff'/%3E%3C/svg%3E") center/contain no-repeat; }
.stage-bar .pause { width: 40px; height: 20px; border-radius: 4px; background: #8a7a32; }
.stage-bar .stop { width: 40px; height: 20px; border-radius: 4px; background: #b04a4a; }
.stage-bar .sp { flex: 1; }
.stage-bar .ic { width: 16px; height: 16px; border-radius: 3px; background: rgb(255 255 255 / 12%); }
.stage-cv { position: relative; margin: 0 8px 8px; aspect-ratio: 4 / 3; background: #fff; border-radius: 4px; overflow: hidden; }
.stage-cv .moo { position: absolute; left: 50%; top: 50%; height: 62%; width: auto; translate: -50% -50%; }
.stage-cv .mon { position: absolute; left: 8px; top: 8px; display: flex; gap: 4px; align-items: center; padding: 2px 6px; font-size: 10px; font-weight: 600; color: #575e75; background: #e9eef2; border: 1px solid #d9dee5; border-radius: 4px; }
.stage-cv .mon i { padding: 0 5px; background: #ff8c1a; color: #fff; border-radius: 3px; font-style: normal; font-family: var(--font-mono); }

/* 资源 */
.assets { display: grid; grid-template-columns: 150px 1fr; height: 100%; }
.tree { padding: 8px; border-right: 1px solid var(--e-line); font-size: 11px; color: var(--e-dim); background: var(--e-panel); }
.tree div { padding: 3px 8px; border-radius: 4px; }
.tree div.on { background: var(--acc); color: #fff; }
.tree div.i2 { padding-left: 20px; }
.thumbs { display: grid; grid-template-columns: repeat(auto-fill, minmax(58px, 1fr)); gap: 8px; padding: 10px; align-content: start; }
.thumbs i { position: relative; aspect-ratio: 1; border-radius: 6px; background: #f3f4f6; border: 2px solid transparent; display: grid; place-items: center; overflow: hidden; transition: border-color 0.3s, translate 0.3s var(--ease); }
.thumbs i::after { width: 46%; height: 46%; border-radius: 4px; background: var(--t, var(--acc)); content: ""; }
.thumbs i.moo::after { display: none; }
.thumbs i.moo img { height: 80%; width: auto; }
.thumbs i.on { border-color: var(--acc); }
.thumbs i.pulse { border-color: var(--acc); translate: 0 -2px; }
.thumbs i .badge { position: absolute; right: 2px; top: 2px; padding: 0 5px; font-size: 9px; font-weight: 700; color: #fff; background: var(--acc); border-radius: 999px; }

/* 首屏那台编辑器 */
.hero-ed { perspective: 2200px; }
.hero-ed .ed { aspect-ratio: 16 / 9.2; max-height: 76vh; transform-style: preserve-3d; transition: transform 0.6s var(--ease); }
.hero-ed .ed-body { position: absolute; inset: 34px 0 0; display: grid; grid-template-columns: 210px 250px 1fr; gap: 5px; padding: 5px; }
.hero-ed .p-sprites .pn-b { padding-bottom: 70px; }
.hero-ed .stage-win { right: 14px; top: 14px; width: 40%; max-width: 420px; }
.ghost { position: absolute; z-index: 6; pointer-events: none; opacity: 0; filter: drop-shadow(0 12px 18px rgb(0 0 0 / 55%)); }
.cursor { position: absolute; z-index: 8; width: 18px; height: 22px; pointer-events: none; opacity: 0; transition: opacity 0.3s; background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 18 22'%3E%3Cpath d='M1 1l15 9.5-6.5 1.2 3.8 7.6-2.7 1.4-3.9-7.6L1 18z' fill='%23fff' stroke='%23000' stroke-width='1.2'/%3E%3C/svg%3E") no-repeat; }
.cursor.show { opacity: 1; }
.js .float-ws { position: absolute; z-index: 5; width: 300px; height: 190px; opacity: 0; box-shadow: 0 30px 60px -20px rgb(0 0 0 / 85%); }

/* ---- 数字带 -------------------------------------------------------- */
.proof { padding: clamp(2rem, 5vh, 3.5rem) 0; border-top: 1px solid var(--hair); border-bottom: 1px solid var(--hair); }
.proof-in { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.proof-it { display: grid; gap: 0.2rem; padding-left: 1rem; border-left: 1px solid var(--hair-2); }
.proof-it .big { font: 800 clamp(1.7rem, 3vw, 2.4rem)/1 var(--font-latin); letter-spacing: -0.03em; font-variant-numeric: tabular-nums; }
.proof-it .big small { font-size: 0.5em; font-weight: 600; color: var(--soft); margin-left: 0.2em; }
.proof-it .lbl { font-size: 0.9rem; color: var(--soft); }
.proof-it .lbl b { color: var(--paper); font-weight: 600; }

/* ---- 章节 ---------------------------------------------------------- */
.sec { position: relative; padding: clamp(5rem, 11vh, 8.5rem) 0; }
.sec + .sec { border-top: 1px solid var(--hair); }
.sec-head { display: grid; gap: 1rem; max-width: 46rem; margin-bottom: clamp(2.5rem, 5vh, 4rem); }
.two { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(2rem, 5vw, 5rem); align-items: center; }
.two.flip > :first-child { order: 2; }
.two .copy { display: grid; gap: 1.2rem; align-content: start; }
.feat-list { display: grid; gap: 0.9rem; margin: 0.4rem 0 0; padding: 0; list-style: none; }
.feat-list li { display: grid; grid-template-columns: 22px 1fr; gap: 0.7rem; color: var(--soft); font-size: 0.98rem; line-height: 1.65; }
.feat-list li b { color: var(--paper); font-weight: 600; }
.feat-list li i { width: 22px; height: 22px; margin-top: 3px; border-radius: 7px; background: var(--acc-soft); display: grid; place-items: center; color: var(--acc-hi); font-style: normal; font-size: 12px; font-weight: 800; }
.feat-list li i.c { background: color-mix(in srgb, var(--cc) 20%, transparent); color: var(--cc); }

/* 真实录屏 */
.clips { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: 1.5rem; }
.clip-fig { margin: 0; display: grid; gap: 0.6rem; }
.clip-fig video { width: 100%; border-radius: 12px; border: 1px solid var(--hair-2); background: var(--e-bg); box-shadow: 0 30px 60px -30px rgb(0 0 0 / 80%); }
.clip-fig figcaption { font-size: 0.86rem; color: var(--mute); display: flex; gap: 0.5rem; align-items: center; }
.clip-fig figcaption::before { content: "REC"; padding: 0.05rem 0.4rem; font: 700 0.62rem/1.4 var(--font-latin); letter-spacing: 0.1em; color: var(--coral); border: 1px solid color-mix(in srgb, var(--coral) 45%, transparent); border-radius: 4px; }

/* ---- 问题 ---------------------------------------------------------- */
.vs { display: grid; gap: 0.5rem; }
.vs-row { display: grid; grid-template-columns: 1.1fr 1fr 1.3fr; gap: 1rem; padding: 1.1rem 1.4rem; border-radius: 12px; background: var(--ink-2); border: 1px solid var(--hair); transition: border-color 0.4s, background 0.4s, translate 0.4s var(--ease); }
.vs-row:hover { border-color: rgb(45 140 255 / 40%); background: var(--ink-3); translate: 4px 0; }
.vs-row.head { padding-block: 0.6rem; background: transparent; border: 0; font: 700 0.76rem var(--font-latin); letter-spacing: 0.14em; text-transform: uppercase; color: var(--mute); }
.vs-row.head:hover { translate: 0; }
.vs-row .want { font-weight: 600; color: var(--paper); }
.vs-row .old { color: var(--mute); text-decoration: line-through; text-decoration-color: rgb(255 111 145 / 55%); text-decoration-thickness: 1.5px; }
.vs-row .new { color: var(--paper); }
.vs-row .new em { font-style: normal; color: var(--acc-hi); font-weight: 600; }
.callout { position: relative; display: grid; gap: 0.6rem; padding: 1.4rem 1.6rem 1.4rem 1.9rem; margin-top: 2rem; border-radius: 14px; background: linear-gradient(120deg, rgb(45 140 255 / 12%), rgb(45 140 255 / 3%)); border: 1px solid rgb(45 140 255 / 30%); }
.callout::before { position: absolute; left: 0; top: 14px; bottom: 14px; width: 3px; border-radius: 3px; background: var(--acc); content: ""; }
.callout b { color: var(--acc-hi); }
.callout p { color: var(--soft); font-size: 1rem; }

/* ---- 面板即窗口 ---------------------------------------------------- */
.layout-demo { display: grid; gap: 1rem; }
.seg { display: inline-flex; gap: 3px; padding: 3px; background: var(--ink-3); border: 1px solid var(--hair); border-radius: 10px; }
.seg button { padding: 0.45rem 1rem; font-size: 0.86rem; font-weight: 600; color: var(--soft); background: transparent; border: 0; border-radius: 8px; transition: background 0.3s, color 0.3s; }
.seg button.on { color: #fff; background: var(--acc); }
.seg button:hover:not(.on) { color: var(--paper); }
.lay-ed { position: relative; aspect-ratio: 16 / 10; }
.lay-ed .ed-body { position: absolute; inset: 34px 0 0; padding: 5px; }
.lay-ed .pn { position: absolute; transition: left 0.75s var(--ease), top 0.75s var(--ease), width 0.75s var(--ease), height 0.75s var(--ease), box-shadow 0.5s, opacity 0.5s; }
.lay-ed .pn.floating { box-shadow: 0 30px 60px -20px rgb(0 0 0 / 85%); z-index: 3; }
.lay-ed .pn-b { display: grid; place-items: center; color: var(--e-dim); font-size: 11px; }
.lay-ed .pn-b .mini { position: absolute; inset: 0; }
.lay-ed .stage-cv { position: absolute; inset: 8px; margin: 0; aspect-ratio: auto; }
.lay-hint { display: flex; gap: 1.2rem; flex-wrap: wrap; font-size: 0.86rem; color: var(--mute); }
.lay-hint span::before { content: ""; display: inline-block; width: 6px; height: 6px; margin-right: 0.5rem; border-radius: 50%; background: var(--acc); vertical-align: 2px; }
.snap-zone { position: absolute; inset: 40px 5px 5px; pointer-events: none; }
.snap-zone::before { position: absolute; inset: 0 50% 0 0; border: 1.5px dashed rgb(45 140 255 / 60%); background: rgb(45 140 255 / 8%); border-radius: 8px; content: ""; opacity: 0; transition: opacity 0.4s; }
.lay-ed.snapping .snap-zone::before { opacity: 1; }

/* ---- 跨工作区 ------------------------------------------------------ */
.xws { position: relative; aspect-ratio: 16 / 10; }
.xws .ed-body { position: absolute; inset: 34px 0 0; display: grid; grid-template-columns: 1fr 1fr; gap: 5px; padding: 5px; }
.xws .drag-blk { position: absolute; z-index: 6; opacity: 0; filter: drop-shadow(0 14px 20px rgb(0 0 0 / 55%)); }
.xws .shadow { position: absolute; z-index: 4; opacity: 0; }
.xws .shadow .bk { opacity: 0.4; }

/* ---- 多场景 -------------------------------------------------------- */
.scenes { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.scene-strip { display: grid; gap: 0.8rem; }
.scene-card { display: grid; grid-template-columns: 96px 1fr auto; gap: 1rem; align-items: center; padding: 0.9rem 1rem; border-radius: 14px; background: var(--ink-2); border: 1px solid var(--hair); transition: border-color 0.5s, background 0.5s, box-shadow 0.5s, opacity 0.5s; }
.scene-card .thumb { position: relative; aspect-ratio: 4 / 3; border-radius: 8px; overflow: hidden; background: #fff; display: grid; place-items: center; transition: filter 0.5s; }
.scene-card .thumb img { height: 70%; width: auto; }
.scene-card .thumb .run { position: absolute; right: 6px; top: 6px; width: 8px; height: 8px; border-radius: 50%; background: var(--green); opacity: 0; transition: opacity 0.4s; }
.scene-card .meta { display: grid; gap: 0.15rem; }
.scene-card .meta b { font-size: 1.02rem; }
.scene-card .meta span { font-size: 0.85rem; color: var(--mute); }
.scene-card .state { padding: 0.25rem 0.7rem; font-size: 0.78rem; font-weight: 700; border-radius: 999px; letter-spacing: 0.04em; transition: all 0.5s; }
.scene-card[data-s="live"] { border-color: rgb(45 140 255 / 55%); background: linear-gradient(120deg, rgb(45 140 255 / 14%), rgb(45 140 255 / 3%)); box-shadow: 0 20px 50px -30px var(--acc-glow); }
.scene-card[data-s="live"] .state { color: #fff; background: var(--acc); }
.scene-card[data-s="live"] .thumb .run, .scene-card[data-s="bg"] .thumb .run { opacity: 1; animation: pulse 1.6s infinite; }
.scene-card[data-s="bg"] { border-color: rgb(70 214 168 / 40%); }
.scene-card[data-s="bg"] .state { color: var(--green); background: rgb(70 214 168 / 14%); }
.scene-card[data-s="sleep"] .state { color: var(--gold); background: rgb(255 180 84 / 14%); }
.scene-card[data-s="sleep"] .thumb { filter: grayscale(0.7) brightness(0.85); }
.scene-card[data-s="unloaded"] { opacity: 0.55; }
.scene-card[data-s="unloaded"] .state { color: var(--mute); background: rgb(255 255 255 / 6%); }
.scene-card[data-s="unloaded"] .thumb { filter: grayscale(1) brightness(0.5); }
.scene-ctrl { display: grid; gap: 0.7rem; }
.scene-ctrl .row { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.scene-ctrl .bk-btn { padding: 0; background: none; border: 0; border-radius: 6px; transition: translate 0.25s var(--ease), filter 0.25s; }
.scene-ctrl .bk-btn:hover { translate: 0 -2px; filter: brightness(1.08); }
.scene-ctrl .bk-btn:active { translate: 0 0; }
.scene-log { min-height: 3.6rem; padding: 0.8rem 1rem; font: 0.82rem/1.6 var(--font-mono); color: var(--soft); background: var(--ink-2); border: 1px solid var(--hair); border-radius: 10px; }
.scene-log b { color: var(--acc-hi); font-weight: 600; }
.tri { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-top: 2.5rem; }
.tri-it { display: grid; gap: 0.5rem; padding: 1.3rem 1.4rem; border-radius: 14px; background: var(--ink-2); border: 1px solid var(--hair); }
.tri-it h4 { display: flex; align-items: center; gap: 0.6rem; }
.tri-it h4 i { width: 10px; height: 10px; border-radius: 50%; background: var(--cc); box-shadow: 0 0 0 4px color-mix(in srgb, var(--cc) 20%, transparent); }
.tri-it p { font-size: 0.93rem; color: var(--soft); }

/* ---- 资源库 -------------------------------------------------------- */
.lib-ed { aspect-ratio: 16 / 9; }
.lib-ed .ed-body { position: absolute; inset: 34px 0 0; padding: 5px; }
.lib-ed .assets { grid-template-columns: 170px 1fr 220px; }
.lib-ed .detail { padding: 10px; border-left: 1px solid var(--e-line); font-size: 11px; color: var(--e-dim); display: grid; gap: 8px; align-content: start; background: var(--e-panel); }
.lib-ed .detail .prev { aspect-ratio: 4/3; border-radius: 6px; background: #f3f4f6; display: grid; place-items: center; }
.lib-ed .detail .prev img { height: 80%; width: auto; }
.lib-ed .detail .k { display: flex; justify-content: space-between; }
.lib-ed .detail .k b { color: #fff; font-weight: 600; }
.lib-ed .uses { display: grid; gap: 4px; }
.lib-ed .uses div { display: flex; gap: 6px; align-items: center; padding: 4px 6px; background: rgb(255 255 255 / 4%); border-radius: 5px; transition: background 0.3s, outline-color 0.3s; outline: 1px solid transparent; }
.lib-ed .uses div i { width: 14px; height: 14px; border-radius: 3px; background: rgb(255 255 255 / 12%); }
.lib-ed .uses div.hl { outline-color: var(--acc); background: var(--acc-soft); }
.lib-ed .warn { margin-top: 4px; padding: 6px 8px; border-radius: 6px; background: rgb(255 180 84 / 12%); color: var(--gold); font-size: 10.5px; }

/* ---- 积木 ---------------------------------------------------------- */
.blocks-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.bg-card { display: grid; gap: 1rem; padding: 1.4rem; border-radius: 16px; background: var(--ink-2); border: 1px solid var(--hair); align-content: start; }
.bg-card h3 { display: flex; align-items: center; justify-content: space-between; }
.bg-card h3 small { font: 700 0.72rem var(--font-latin); letter-spacing: 0.12em; color: var(--mute); text-transform: uppercase; }
.bg-card p { font-size: 0.95rem; color: var(--soft); }
.bg-stage { --bs: 0.72; position: relative; min-height: 200px; padding: 1rem; border-radius: 10px; background-color: var(--e-page); background-image: radial-gradient(var(--e-line) 1.2px, transparent 1.2px); background-size: 22px 22px; border: 1px solid var(--e-line); overflow-x: auto; overflow-y: hidden; }
.bg-stage::-webkit-scrollbar { height: 6px; }
.bg-stage::-webkit-scrollbar-thumb { background: rgb(255 255 255 / 12%); border-radius: 3px; }
.exp-wrap { position: relative; display: grid; align-content: start; gap: 0.8rem; }
.exp-wrap .bk { position: relative; transition: opacity 0.25s; }
.exp-ctl { display: flex; gap: 0.5rem; }
.pm { display: inline-grid; place-items: center; width: 30px; height: 30px; padding: 0; color: #fff; font-size: 18px; font-weight: 800; line-height: 1; background: var(--e-input); border: 1px solid var(--e-line); border-radius: 50%; transition: background 0.2s, scale 0.2s var(--spring); }
.pm:hover { background: var(--acc); scale: 1.08; }
.pm:disabled { opacity: 0.35; cursor: default; scale: 1; }
.fold { display: grid; gap: 6px; }
.fold-h { display: flex; align-items: center; gap: 6px; padding: 4px 0; font-size: 12px; font-weight: 600; color: #fff; background: transparent; border: 0; text-align: left; }
.fold-h::before { content: ""; width: 0; height: 0; border: 4px solid transparent; border-left: 6px solid var(--e-dim); transition: rotate 0.3s var(--ease); }
.fold-h.open::before { rotate: 90deg; translate: -2px 1px; }
.fold-h.lv2 { padding-left: 14px; color: var(--e-dim); }
.fold-c { display: grid; grid-template-rows: 0fr; transition: grid-template-rows 0.45s var(--ease); }
.fold-c.open { grid-template-rows: 1fr; }
.fold-c > div { overflow: hidden; display: flex; flex-direction: column; gap: 8px; padding-left: 14px; }
.fold-c.lv2 > div { padding-left: 28px; }
.fold-c .bk { position: relative; }
.mk { display: grid; gap: 10px; }
.mk .seg { justify-self: start; }
.mk .seg button { padding: 0.3rem 0.7rem; font-size: 0.8rem; }
.mk .out { min-height: 90px; display: grid; gap: 8px; align-content: start; }
.mk .out .bk { position: relative; }
.kbd-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.7rem 1.4rem; margin-top: 2.5rem; }
.kbd-it { display: grid; grid-template-columns: 1fr auto; gap: 1rem; align-items: center; padding: 0.7rem 0; border-bottom: 1px solid var(--hair); font-size: 0.93rem; color: var(--soft); }
.kbd-it b { color: var(--paper); font-weight: 600; }
.kbd-it span { display: flex; gap: 0.3rem; align-items: center; white-space: nowrap; }

/* ---- 截图相框 ------------------------------------------------------ */
.shot { position: relative; border-radius: 14px; overflow: hidden; border: 1px solid var(--hair-2); box-shadow: 0 60px 120px -50px rgb(0 0 0 / 95%), 0 30px 80px -40px var(--acc-glow); background: var(--e-bg); transform-style: preserve-3d; transition: transform 0.6s var(--ease); }
.shot img { width: 100%; height: auto; }
.shot .glare { position: absolute; inset: 0; pointer-events: none; background: radial-gradient(40rem 20rem at var(--gx, 50%) var(--gy, 0%), rgb(255 255 255 / 7%), transparent 60%); opacity: 0; transition: opacity 0.5s; }
.shot:hover .glare { opacity: 1; }
.tilt { perspective: 1600px; }
.paint-tools { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.chip { display: inline-flex; align-items: center; gap: 0.4rem; padding: 0.3rem 0.75rem; font-size: 0.82rem; color: var(--soft); background: rgb(255 255 255 / 4%); border: 1px solid var(--hair); border-radius: 999px; transition: border-color 0.3s, color 0.3s; }
.chip:hover { color: var(--paper); border-color: var(--hair-2); }
.chip i { width: 6px; height: 6px; border-radius: 50%; background: var(--cc, var(--acc)); }

/* 序列帧 */
.tl { display: grid; gap: 8px; padding: 12px; margin-top: 1rem; background: var(--e-panel); border: 1px solid var(--e-line); border-radius: 10px; }
.tl-bar { display: flex; align-items: center; gap: 8px; font-size: 11px; color: var(--e-dim); }
.tl-bar .play { width: 24px; height: 24px; border-radius: 6px; background: var(--acc); display: grid; place-items: center; }
.tl-bar .play::after { content: ""; border-left: 8px solid #fff; border-top: 5px solid transparent; border-bottom: 5px solid transparent; margin-left: 2px; }
.tl-bar .fps { padding: 2px 7px; background: var(--e-input); border-radius: 5px; font-family: var(--font-mono); color: #fff; }
.tl-bar .sp { flex: 1; }
.frames { display: flex; gap: 6px; }
.frame { position: relative; flex: 1; aspect-ratio: 1; border-radius: 6px; background: repeating-conic-gradient(#e9ecf1 0 25%, #fff 0 50%) 0 0/12px 12px; border: 2px solid var(--e-line); overflow: hidden; display: grid; place-items: center; transition: border-color 0.2s; }
.frame.on { border-color: var(--acc); }
.frame img { height: 78%; width: auto; rotate: var(--r, 0deg); transform-origin: 50% 90%; }
.frame.onion img { opacity: 0.35; }
.frame .n { position: absolute; left: 4px; top: 2px; font: 600 9px var(--font-mono); color: #575e75; }

/* ---- DAW ----------------------------------------------------------- */
.daw { position: relative; aspect-ratio: 16 / 7.2; }
.daw .ed-body { position: absolute; inset: 34px 0 32px; display: grid; grid-template-columns: 150px 1fr; }
.daw .tr-list { display: flex; flex-direction: column; border-right: 1px solid var(--e-line); overflow: hidden; }
.daw .tr { display: flex; align-items: center; gap: 6px; height: 34px; padding: 0 8px; font-size: 10.5px; border-bottom: 1px solid var(--e-line); border-left: 3px solid var(--tc); flex: none; }
.daw .tr .nm { flex: 1; color: #fff; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.daw .tr .ms { display: flex; gap: 3px; }
.daw .tr .ms i { width: 14px; height: 14px; font-size: 8px; display: grid; place-items: center; border-radius: 3px; background: var(--e-input); color: var(--e-dim); font-style: normal; }
.daw .lanes { position: relative; overflow: hidden; background-image: linear-gradient(90deg, var(--e-line) 1px, transparent 1px); background-size: 12.5% 100%; }
.daw .ruler { display: flex; height: 20px; font: 9px var(--font-mono); color: var(--e-dim); border-bottom: 1px solid var(--e-line); background: var(--e-panel); }
.daw .ruler span { flex: 1; padding: 3px 4px; border-left: 1px solid var(--e-line-2); }
.daw .lane { position: relative; height: 34px; border-bottom: 1px solid var(--e-line); }
.daw .clip { position: absolute; top: 3px; bottom: 3px; left: var(--l); width: var(--w); background: color-mix(in srgb, var(--tc) 55%, #000 8%); border: 1px solid var(--tc); border-radius: 4px; overflow: hidden; transform-origin: left; scale: 0 1; transition: scale 0.9s var(--ease); }
.daw .clip::before { position: absolute; inset: 0 0 auto; height: 11px; background: var(--tc); content: ""; }
.daw .clip .lb { position: relative; padding: 0 4px; font-size: 8.5px; line-height: 11px; font-weight: 700; color: #fff; }
.daw .clip .nn { position: absolute; left: 0; right: 0; top: 15px; height: 12px; background-image: repeating-linear-gradient(90deg, rgb(255 255 255 / 70%) 0 5px, transparent 5px 9px, rgb(255 255 255 / 50%) 9px 12px, transparent 12px 20px); background-size: 40px 2px; background-repeat: repeat-x; background-position: 0 var(--ny, 4px); }
.daw.play .clip { scale: 1 1; }
.daw .head { position: absolute; top: 0; bottom: 0; left: 0; width: 1.5px; background: #fff; box-shadow: 0 0 10px #fff; z-index: 3; }
.daw .head::before { position: absolute; top: 0; left: -5px; width: 0; height: 0; border-left: 6px solid transparent; border-right: 6px solid transparent; border-top: 8px solid #fff; content: ""; }
.daw.play .head { animation: sweep 12s linear infinite; }
@keyframes sweep { from { left: 0; } to { left: 100%; } }
.daw .transport { position: absolute; left: 0; right: 0; bottom: 0; display: flex; align-items: center; gap: 8px; height: 32px; padding: 0 10px; background: var(--e-bg); border-top: 1px solid var(--e-line); font: 11px var(--font-mono); color: var(--e-dim); }
.daw .transport .go { width: 20px; height: 20px; border-radius: 5px; background: var(--acc); }
.daw .transport .go::after { content: ""; display: block; margin: 5px 0 0 7px; border-left: 8px solid #fff; border-top: 5px solid transparent; border-bottom: 5px solid transparent; }
.daw .transport .sp { flex: 1; }
.daw .transport b { color: #fff; font-weight: 600; }
.daw .transport .btn2 { padding: 2px 8px; border-radius: 5px; background: var(--acc); color: #fff; font-family: var(--font-cjk); }

.four { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.8rem; margin-top: 1.5rem; }
.mode { display: grid; gap: 0.3rem; padding: 0.9rem 1rem 1rem; border-radius: 12px; background: var(--ink-2); border: 1px solid var(--hair); transition: border-color 0.3s, translate 0.3s var(--ease); }
.mode:hover { border-color: var(--hair-2); translate: 0 -3px; }
.mode b { font-size: 0.95rem; }
.mode span { font-size: 0.82rem; color: var(--mute); }
.mode canvas { width: 100%; height: 96px; margin-bottom: 0.5rem; border-radius: 8px; background: var(--e-page); border: 1px solid var(--e-line); display: block; }

/* ---- 舞台 ---------------------------------------------------------- */
.stage-demo { display: grid; gap: 1rem; }
.stage-box { position: relative; display: grid; place-items: center; aspect-ratio: 16 / 10; border-radius: 14px; background: var(--e-page); border: 1px solid var(--e-line); overflow: hidden; }
.stage-box .sc { position: relative; width: var(--w); height: var(--h); background: #fff; border-radius: 6px; box-shadow: 0 30px 60px -20px rgb(0 0 0 / 80%); transition: width 0.7s var(--ease), height 0.7s var(--ease); overflow: hidden; display: grid; place-items: center; }
.stage-box .sc img { height: 62%; width: auto; }
.stage-box .sc .ratio { position: absolute; right: 8px; bottom: 6px; font: 600 11px var(--font-mono); color: #8b93a7; }
.stage-box .sc .mon { position: absolute; left: 8px; top: 8px; display: flex; gap: 4px; align-items: center; padding: 2px 6px; font-size: 10px; font-weight: 600; color: #575e75; background: #e9eef2; border: 1px solid #d9dee5; border-radius: 4px; }
.stage-box .sc .mon i { padding: 0 5px; background: #ff8c1a; color: #fff; border-radius: 3px; font-style: normal; font-family: var(--font-mono); }
.stage-box .fs { position: absolute; inset: 0; background: #fff; opacity: 0; transition: opacity 0.6s; }
.stage-box.full .fs { opacity: 1; }
.stage-box.full .sc { box-shadow: none; }

/* ---- 代码与终端 ---------------------------------------------------- */
.code-ed { aspect-ratio: 16 / 9.5; }
.code-ed .ed-body { position: absolute; inset: 34px 0 0; display: grid; grid-template-columns: 160px 1fr; grid-template-rows: 1fr 130px; gap: 5px; padding: 5px; }
.code-ed .p-files { grid-row: 1 / 3; }
.files { padding: 8px; font: 11px var(--font-mono); color: var(--e-dim); display: grid; gap: 2px; align-content: start; }
.files div { display: flex; align-items: center; gap: 6px; padding: 3px 6px; border-radius: 4px; }
.files div.on { background: var(--acc); color: #fff; }
.files div i { width: 8px; height: 8px; border-radius: 2px; background: var(--fc, var(--gold)); }
.code { position: absolute; inset: 0; padding: 10px 12px; font: 11.5px/1.65 var(--font-mono); color: #c9d1e3; overflow: hidden; white-space: pre; counter-reset: ln; }
.code .ln { display: block; }
.code .ln::before { display: inline-block; width: 22px; margin-right: 12px; color: var(--mute); text-align: right; content: counter(ln); counter-increment: ln; }
.code .k { color: #c792ea; } .code .s { color: #c3e88d; } .code .f { color: #82aaff; } .code .c { color: #6c7389; font-style: italic; } .code .n { color: #f78c6c; } .code .p { color: #89ddff; }
.code .caret { display: inline-block; width: 7px; height: 13px; margin-left: 1px; background: var(--acc-hi); vertical-align: -2px; animation: blink 1s steps(2) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.term { position: absolute; inset: 0; padding: 8px 12px; font: 11px/1.7 var(--font-mono); color: #b9c2d6; overflow: hidden; }
.term .l { opacity: 0; translate: 0 6px; }
.term .l.in { opacity: 1; translate: 0 0; transition: opacity 0.3s, translate 0.3s var(--ease); }
.term .ok { color: var(--green); } .term .err { color: var(--coral); } .term .dim { color: var(--mute); } .term .warn { color: var(--gold); }

/* ---- 扩展 ---------------------------------------------------------- */
.ext-flow { display: grid; grid-template-columns: repeat(3, 1fr) auto 1fr; gap: 0.8rem; align-items: center; margin-bottom: 2rem; }
.ext-src { display: grid; gap: 0.2rem; padding: 1rem 1.1rem; border-radius: 12px; background: var(--ink-2); border: 1px solid var(--hair); }
.ext-src b { font-size: 0.95rem; }
.ext-src span { font-size: 0.82rem; color: var(--mute); }
.ext-arrow { position: relative; width: 60px; height: 2px; background: linear-gradient(90deg, var(--hair-2), var(--acc)); }
.ext-arrow::after { position: absolute; right: -2px; top: -4px; width: 0; height: 0; border-left: 8px solid var(--acc); border-top: 5px solid transparent; border-bottom: 5px solid transparent; content: ""; }
.ext-arrow i { position: absolute; top: -3px; left: 0; width: 8px; height: 8px; border-radius: 50%; background: var(--acc-hi); animation: travel 1.8s cubic-bezier(0.65, 0, 0.35, 1) infinite; }
@keyframes travel { from { left: 0; opacity: 0; } 30% { opacity: 1; } to { left: 52px; opacity: 0; } }
.ext-vm { display: grid; gap: 0.2rem; padding: 1rem 1.1rem; border-radius: 12px; background: linear-gradient(120deg, rgb(45 140 255 / 16%), rgb(45 140 255 / 4%)); border: 1px solid rgb(45 140 255 / 40%); }
.ext-vm b { color: var(--acc-hi); }
.ext-vm span { font-size: 0.82rem; color: var(--soft); }
.code-card { position: relative; padding: 1.2rem 1.4rem; border-radius: 14px; background: var(--e-bg); border: 1px solid var(--hair-2); overflow: auto; }
.code-card pre { margin: 0; font: 12.5px/1.7 var(--font-mono); color: #c9d1e3; }
.code-card .k { color: #c792ea; } .code-card .s { color: #c3e88d; } .code-card .f { color: #82aaff; } .code-card .c { color: #6c7389; font-style: italic; } .code-card .n { color: #f78c6c; } .code-card .p { color: #89ddff; }
.code-card .cap { position: absolute; right: 12px; top: 10px; font: 700 0.68rem/1 var(--font-latin); letter-spacing: 0.14em; color: var(--mute); text-transform: uppercase; }
.api-table { width: 100%; margin-top: 1.2rem; border-collapse: collapse; font-size: 0.9rem; }
.api-table th, .api-table td { padding: 0.55rem 0.8rem; text-align: left; border-bottom: 1px solid var(--hair); }
.api-table th { font: 700 0.72rem var(--font-latin); letter-spacing: 0.12em; text-transform: uppercase; color: var(--mute); }
.api-table td:first-child { font-family: var(--font-mono); color: var(--acc-hi); }
.api-table td { color: var(--soft); }
.plugins { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.8rem; margin-top: 2rem; }
.plug { display: grid; gap: 0.35rem; padding: 1rem 1.1rem; border-radius: 12px; background: var(--ink-2); border: 1px solid var(--hair); }
.plug b { font-size: 0.95rem; }
.plug span { font-size: 0.84rem; color: var(--mute); }
.plug .sw { justify-self: start; width: 30px; height: 17px; margin-bottom: 0.3rem; border-radius: 999px; background: var(--acc); position: relative; }
.plug .sw::after { position: absolute; right: 2px; top: 2px; width: 13px; height: 13px; background: #fff; border-radius: 50%; content: ""; }

/* ---- 性能 ---------------------------------------------------------- */
.perf { background: linear-gradient(180deg, var(--ink) 0%, #0c1119 50%, var(--ink) 100%); }
.perf-hero { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-bottom: 3.5rem; }
.perf-big { display: grid; gap: 0.4rem; padding: 1.6rem 1.7rem; border-radius: 18px; background: rgb(255 255 255 / 3%); border: 1px solid var(--hair); position: relative; overflow: hidden; }
.perf-big::before { position: absolute; inset: 0; background: radial-gradient(20rem 10rem at 100% 0%, var(--acc-soft), transparent 70%); content: ""; }
.perf-big .n { position: relative; font: 800 clamp(2.6rem, 5vw, 4.2rem)/1 var(--font-latin); letter-spacing: -0.04em; font-variant-numeric: tabular-nums; }
.perf-big .n small { font-size: 0.42em; color: var(--acc-hi); margin-left: 0.15em; }
.perf-big .t { position: relative; font-weight: 600; }
.perf-big .d { position: relative; font-size: 0.86rem; color: var(--mute); }
.ledger { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2.5rem 3rem; }
.ledger h3 { margin-bottom: 0.3rem; }
.ledger .tiny { margin-bottom: 1.2rem; display: block; }
.bars { display: grid; gap: 0.75rem; }
.bar-row { display: grid; grid-template-columns: 8.5rem 1fr 4.2rem; gap: 0.9rem; align-items: center; font-size: 0.9rem; }
.bar-row .lb { color: var(--soft); }
.bar-row .tracks { display: grid; gap: 4px; }
.bar { position: relative; height: 9px; border-radius: 3px; background: rgb(255 255 255 / 5%); overflow: hidden; }
.bar i { position: absolute; inset: 0 auto 0 0; width: 0; border-radius: 3px; transition: width 1.3s var(--ease); }
.bar.before i { background: rgb(255 111 145 / 75%); }
.bar.after i { background: var(--acc); }
.bar-row .x { font: 700 1rem var(--font-latin); color: var(--green); text-align: right; font-variant-numeric: tabular-nums; }
.bar-row .vals { display: flex; justify-content: space-between; font: 0.72rem var(--font-mono); color: var(--mute); }
.legend { display: flex; gap: 1.2rem; font-size: 0.8rem; color: var(--mute); margin-bottom: 1rem; }
.legend span::before { content: ""; display: inline-block; width: 14px; height: 6px; margin-right: 0.45rem; border-radius: 2px; vertical-align: 1px; }
.legend .b::before { background: rgb(255 111 145 / 75%); } .legend .a::before { background: var(--acc); }
.how { margin-top: 3rem; display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.how-it { display: grid; gap: 0.5rem; padding: 1.3rem 1.4rem; border-radius: 14px; background: var(--ink-2); border: 1px solid var(--hair); }
.how-it h4 { display: flex; align-items: center; gap: 0.6rem; }
.how-it h4 code { padding: 0.1em 0.5em; font-size: 0.78em; color: var(--acc-hi); background: var(--acc-soft); border-radius: 6px; }
.how-it ul { margin: 0; padding-left: 1.1rem; font-size: 0.92rem; color: var(--soft); display: grid; gap: 0.35rem; }
.how-it li b { color: var(--paper); font-weight: 600; }

/* ---- 快速开始 ------------------------------------------------------ */
.start { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(2rem, 5vw, 5rem); align-items: start; }
.steps { display: grid; counter-reset: st; }
.step { display: grid; grid-template-columns: 2rem 1fr; gap: 1rem; padding: 1.1rem 0; border-top: 1px solid var(--hair); }
.step::before { content: counter(st, decimal-leading-zero); counter-increment: st; font: 700 0.8rem/1.9 var(--font-latin); color: var(--acc-hi); }
.step b { display: block; font-weight: 600; }
.step span { font-size: 0.9rem; color: var(--mute); }
.term-card { position: sticky; top: calc(var(--nav-h) + 1.5rem); padding: 1.2rem 1.4rem; border-radius: 14px; background: var(--e-bg); border: 1px solid var(--hair-2); overflow: auto; }
.term-card pre { margin: 0; font: 12.5px/1.8 var(--font-mono); color: #c9d1e3; }
.term-card .c { color: var(--mute); }
.term-card .cp { position: absolute; right: 10px; top: 10px; padding: 0.3rem 0.7rem; font-size: 0.75rem; font-weight: 600; color: var(--soft); background: rgb(255 255 255 / 5%); border: 1px solid var(--hair); border-radius: 7px; transition: background 0.3s, color 0.3s; }
.term-card .cp:hover { color: var(--paper); background: rgb(255 255 255 / 10%); }
.compat { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.8rem; margin-top: 1.5rem; }
.compat div { display: grid; gap: 0.2rem; padding: 0.9rem 1rem; border-radius: 12px; background: var(--ink-2); border: 1px solid var(--hair); font-size: 0.9rem; color: var(--soft); }
.compat div b { color: var(--paper); }
.compat div.warn { border-color: rgb(255 180 84 / 35%); }
.compat div.warn b { color: var(--gold); }

/* ---- 尾声 ---------------------------------------------------------- */
.fin { position: relative; padding: clamp(6rem, 14vh, 10rem) 0; text-align: center; overflow: hidden; }
.fin::before { position: absolute; left: 50%; bottom: -30%; width: 80rem; height: 40rem; translate: -50% 0; background: radial-gradient(closest-side, var(--acc-glow), transparent 70%); content: ""; pointer-events: none; }
.fin-in { position: relative; display: grid; gap: 1.6rem; justify-items: center; }
.fin h2 { font-size: clamp(2.4rem, 6vw, 4.6rem); }
.fin .sub { text-align: center; }
.fin .moo { height: 120px; width: auto; filter: drop-shadow(0 20px 30px rgb(0 0 0 / 50%)); animation: bob 3.2s ease-in-out infinite; }
@keyframes bob { 0%, 100% { translate: 0 0; } 50% { translate: 0 -10px; } }
.site-foot { padding: 2.5rem 0 3rem; border-top: 1px solid var(--hair); font-size: 0.86rem; color: var(--mute); }
.site-foot-in { display: flex; flex-wrap: wrap; gap: 1rem 2.5rem; align-items: center; }
.site-foot-in .sp { flex: 1; }
.site-foot a:hover { color: var(--paper); }

/* ---- 响应式 -------------------------------------------------------- */
@media (max-width: 1100px) {
  .hero-ed .ed-body { grid-template-columns: 180px 230px 1fr; }
  .proof-in { grid-template-columns: repeat(2, 1fr); }
  .blocks-grid { grid-template-columns: 1fr; }
  .plugins, .four { grid-template-columns: repeat(2, 1fr); }
  .perf-hero { grid-template-columns: 1fr; }
  .ext-flow { grid-template-columns: 1fr 1fr; }
  .ext-arrow { display: none; }
}
@media (max-width: 860px) {
  body { font-size: 16px; }
  .nav-links { display: none; }
  .two, .two.flip, .scenes, .start, .ledger, .how, .clips { grid-template-columns: 1fr; }
  .two.flip > :first-child { order: 0; }
  .hero-ed .ed { aspect-ratio: 4 / 3.6; max-height: none; }
  .hero-ed .ed-body { grid-template-columns: 1fr; }
  .hero-ed .p-sprites, .hero-ed .p-fly { display: none; }
  .js .float-ws { display: none; }
  .vs-row { grid-template-columns: 1fr; gap: 0.3rem; }
  .vs-row.head { display: none; }
  .tri { grid-template-columns: 1fr; }
  .kbd-list { grid-template-columns: 1fr; }
  .code-ed .ed-body { grid-template-columns: 1fr; grid-template-rows: 1fr 110px; }
  .code-ed .p-files { display: none; }
  .lib-ed .assets { grid-template-columns: 1fr 1fr; }
  .lib-ed .detail { display: none; }
  .daw .ed-body { grid-template-columns: 110px 1fr; }
  .compat { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .proof-in, .plugins, .four { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001s !important; animation-iteration-count: 1 !important; transition-duration: 0.001s !important; }
  html { scroll-behavior: auto; }
  .js .rv { opacity: 1; translate: 0 0; }
}