/* ==========================================================================
   养鸡神器 ChickMate — 站点样式
   主题：田野手账（暖纸底 + 墨绿 + 麦黄），支持暗夜模式与响应式
   ========================================================================== */

/* ---------- 1. 设计令牌 ---------- */
:root{
  --paper:#FBF6EA;
  --paper-2:#F4EBD9;
  --paper-3:#EDE2CC;
  --card:#FFFCF4;
  --card-2:#FAF3E2;
  --ink:#20301E;
  --ink-2:#4B5844;
  --ink-3:#7E8A75;
  --line:rgba(40,58,36,.14);
  --line-strong:rgba(40,58,36,.28);

  --green:#3F6B4A;
  --green-2:#5A8E64;
  --green-3:#9CC1A0;
  --green-soft:rgba(63,107,74,.10);
  --amber:#D79722;
  --amber-2:#E9B44C;
  --amber-soft:rgba(224,160,49,.16);
  --cyan:#3F93AE;
  --cyan-soft:rgba(79,168,196,.14);
  --blue:#4C7FB0;
  --violet:#8877C0;
  --red:#C05A46;
  --wheat:#B8933F;
  --hl:rgba(233,169,59,.38);

  --accent-bg:#3F6B4A;
  --accent-ink:#FBF6EA;
  --shadow-hard:#E6DAC0;
  --shadow-soft:rgba(52,64,40,.12);
  --dot:rgba(40,58,36,.16);
  --field:#CFE3C9;

  --focus:#2F7D55;
  --radius:22px;
  --radius-sm:14px;
  --radius-xs:10px;
  --topbar-h:66px;

  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei UI","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,"JetBrains Mono",Consolas,"Liberation Mono",monospace;

  --ease:cubic-bezier(.22,.61,.36,1);
  color-scheme:light;
}

html[data-theme="dark"]{
  --paper:#0E1410;
  --paper-2:#141C16;
  --paper-3:#1A241C;
  --card:#17211A;
  --card-2:#1D2820;
  --ink:#E9F0E3;
  --ink-2:#B2C0A9;
  --ink-3:#82917B;
  --line:rgba(214,232,206,.14);
  --line-strong:rgba(214,232,206,.28);

  --green:#8CC79A;
  --green-2:#6FB283;
  --green-3:#3C664A;
  --green-soft:rgba(140,199,154,.12);
  --amber:#F0B94C;
  --amber-2:#F5CB74;
  --amber-soft:rgba(240,185,76,.16);
  --cyan:#6FC1D8;
  --cyan-soft:rgba(111,193,216,.14);
  --blue:#8AB6E4;
  --violet:#AC9EE4;
  --red:#E58372;
  --wheat:#D9BC7C;
  --hl:rgba(240,185,76,.26);

  --accent-bg:#8CC79A;
  --accent-ink:#0C120D;
  --shadow-hard:#070B08;
  --shadow-soft:rgba(0,0,0,.5);
  --dot:rgba(214,232,206,.20);
  --field:#1F3A28;

  --focus:#9BD8A9;
  color-scheme:dark;
}

/* ---------- 2. 基础 ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--topbar-h) + 16px)}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:
    radial-gradient(900px 520px at 10% -10%, rgba(233,169,59,.12), transparent 68%),
    radial-gradient(760px 520px at 92% 4%, rgba(111,167,90,.14), transparent 66%),
    radial-gradient(900px 700px at 50% 106%, rgba(79,168,196,.08), transparent 70%),
    var(--paper);
  background-attachment:fixed;
  overflow-x:hidden;
  transition:background-color .4s var(--ease), color .4s var(--ease);
}
html[data-theme="dark"] body{
  background:
    radial-gradient(860px 520px at 8% -10%, rgba(240,185,76,.07), transparent 66%),
    radial-gradient(760px 520px at 94% 2%, rgba(111,178,131,.09), transparent 64%),
    radial-gradient(900px 700px at 50% 106%, rgba(79,168,196,.06), transparent 70%),
    var(--paper);
}

/* 纸纹 */
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  opacity:.5;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)' opacity='.055'/%3E%3C/svg%3E");
  mix-blend-mode:multiply;
}
html[data-theme="dark"] body::before{mix-blend-mode:screen;opacity:.22}

img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4{margin:0;line-height:1.24;letter-spacing:-.01em;font-weight:800}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
::selection{background:var(--hl);color:var(--ink)}
:focus-visible{outline:3px solid var(--focus);outline-offset:3px;border-radius:6px}

.wrap{width:min(1180px,100% - 44px);margin-inline:auto;position:relative}
.sprite{position:absolute;width:0;height:0;overflow:hidden}
.ico{width:1.15em;height:1.15em;flex:none;fill:none;stroke:currentColor;stroke-width:1.65;stroke-linecap:round;stroke-linejoin:round;vertical-align:-.16em}
.skip-link{position:absolute;left:12px;top:-60px;z-index:200;background:var(--accent-bg);color:var(--accent-ink);padding:10px 16px;border-radius:0 0 12px 12px;transition:top .2s}
.skip-link:focus{top:0}
.noscript{position:fixed;left:0;right:0;bottom:0;z-index:150;background:var(--amber);color:#241a05;padding:10px 16px;text-align:center;font-size:.9rem}

/* ---------- 3. 顶栏 ---------- */
.topbar{
  position:sticky;top:0;z-index:100;
  height:var(--topbar-h);
  display:flex;align-items:center;
  background:color-mix(in srgb,var(--paper) 78%,transparent);
  backdrop-filter:blur(14px) saturate(1.2);
  -webkit-backdrop-filter:blur(14px) saturate(1.2);
  border-bottom:1px solid transparent;
  transition:border-color .3s,background-color .3s;
}
.topbar.is-scrolled{border-bottom-color:var(--line);box-shadow:0 8px 24px -18px rgba(30,42,28,.5)}
.topbar__in{display:flex;align-items:center;gap:16px;width:min(1180px,100% - 44px);margin-inline:auto}

.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand__mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(150deg,var(--green-2),var(--green));
  color:#F7F4E8;font-size:19px;
  box-shadow:0 3px 0 rgba(30,45,30,.28);
}
.brand__text{display:flex;flex-direction:column;line-height:1.06}
.brand__text b{font-size:1.06rem;letter-spacing:.02em}
.brand__text i{font-style:normal;font-family:var(--font-mono);font-size:.62rem;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-3)}

.nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav a{
  position:relative;padding:8px 12px;border-radius:999px;font-size:.9rem;font-weight:600;color:var(--ink-2);
  transition:color .2s,background-color .2s;white-space:nowrap;
}
.nav a:hover{color:var(--ink);background:var(--green-soft)}
.nav a.is-active{color:var(--ink);background:var(--green-soft)}
.nav a.is-active::after{
  content:"";position:absolute;left:50%;bottom:2px;width:16px;height:2px;border-radius:2px;
  transform:translateX(-50%);background:var(--green-2);
}
.topbar__actions{display:flex;align-items:center;gap:8px;margin-left:8px}

.iconbtn{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  border:1px solid var(--line);color:var(--ink-2);background:var(--card);
  transition:transform .2s var(--ease),border-color .2s,color .2s,background-color .2s;
}
.iconbtn:hover{transform:translateY(-1px);border-color:var(--line-strong);color:var(--ink)}
.iconbtn:active{transform:translateY(0) scale(.97)}
.theme-toggle{position:relative;overflow:hidden}
.theme-toggle span{display:grid;place-items:center;transition:transform .45s var(--ease),opacity .3s}
.theme-toggle__dark{position:absolute;inset:0;transform:translateY(120%);opacity:0}
html[data-theme="dark"] .theme-toggle__light{transform:translateY(-120%);opacity:0}
html[data-theme="dark"] .theme-toggle__dark{transform:translateY(0);opacity:1}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 20px;border-radius:14px;font-weight:700;font-size:.95rem;
  border:1.5px solid transparent;white-space:nowrap;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background-color .2s,border-color .2s,color .2s;
}
.btn .ico{font-size:1.05em}
.btn--primary{background:var(--accent-bg);color:var(--accent-ink);box-shadow:0 3px 0 rgba(26,40,26,.22)}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 6px 0 rgba(26,40,26,.18)}
.btn--primary:active{transform:translateY(0);box-shadow:0 2px 0 rgba(26,40,26,.22)}
.btn--ghost{background:var(--card);color:var(--ink);border-color:var(--line-strong);box-shadow:0 3px 0 var(--shadow-hard)}
.btn--ghost:hover{transform:translateY(-2px);box-shadow:0 6px 0 var(--shadow-hard)}
.btn--sm{padding:9px 15px;font-size:.86rem;border-radius:12px}

.nav-toggle{display:none}
.ico--close{display:none}

/* ---------- 4. 通用区块 ---------- */
.section{padding:clamp(56px,7vw,96px) 0;position:relative;z-index:1}
.section--tint{background:linear-gradient(180deg,transparent,var(--paper-2) 12%,var(--paper-2) 88%,transparent)}
.section--tint::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:radial-gradient(circle at 1px 1px,var(--dot) 1px,transparent 0);
  background-size:26px 26px;
  mask-image:linear-gradient(180deg,transparent,#000 18%,#000 82%,transparent);
  -webkit-mask-image:linear-gradient(180deg,transparent,#000 18%,#000 82%,transparent);
}
.section--tint > .wrap{position:relative;z-index:1}

.sec-head{max-width:720px;margin-bottom:clamp(28px,4vw,44px)}
.sec-head__kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--ink-3);margin-bottom:12px;
}
.sec-head__kicker span{
  display:grid;place-items:center;min-width:24px;height:24px;padding:0 5px;border-radius:7px;
  background:var(--green-2);color:var(--accent-ink);font-weight:700;letter-spacing:0;font-size:.72rem;
}
.sec-head__title{font-size:clamp(1.72rem,3.6vw,2.6rem);letter-spacing:-.02em}
.sec-head__title .hl{position:relative;white-space:nowrap}
.sec-head__desc{margin-top:14px;color:var(--ink-2);font-size:1.01rem;max-width:62ch}
.kbd-hint{
  display:block;margin-top:10px;font-size:.84rem;color:var(--ink-2);
  background:var(--amber-soft);border:1px dashed color-mix(in srgb,var(--amber) 45%,transparent);
  border-radius:10px;padding:7px 12px;max-width:fit-content;
}
.hl{
  background-image:linear-gradient(transparent 56%,var(--hl) 56%,var(--hl) 92%,transparent 92%);
  padding:0 .12em;white-space:nowrap;
}

.card{
  background:var(--card);border:1.5px solid var(--line);border-radius:var(--radius);
  box-shadow:0 4px 0 var(--shadow-hard),0 18px 34px -28px var(--shadow-soft);
  position:relative;
}

/* 滚动出现 */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---------- 5. 首屏 ---------- */
.hero{position:relative;padding-top:clamp(20px,4vw,38px);padding-bottom:clamp(28px,4vw,48px);overflow:hidden}
.hero__glow{
  position:absolute;inset:-20% -10% auto;height:70%;pointer-events:none;
  background:radial-gradient(60% 60% at 70% 20%,rgba(233,169,59,.16),transparent 70%),
             radial-gradient(50% 50% at 18% 12%,rgba(111,167,90,.16),transparent 70%);
  filter:blur(6px);
}
.hero__grid{display:grid;grid-template-columns:1.02fr .98fr;gap:clamp(20px,3.4vw,44px);align-items:center}

.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:.8rem;font-weight:600;color:var(--ink-2);letter-spacing:.03em;
  background:var(--card);border:1px solid var(--line);border-radius:999px;
  padding:6px 14px;margin-bottom:18px;
}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--green-2);box-shadow:0 0 0 4px var(--green-soft);animation:pulse 2.6s infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 3px var(--green-soft)}50%{box-shadow:0 0 0 7px transparent}}

.hero__title{display:flex;flex-direction:column;gap:2px;margin-bottom:12px}
.hero__title-main{font-size:clamp(2.9rem,7.4vw,4.9rem);line-height:1.02;letter-spacing:-.035em}
.hero__title-en{
  position:relative;align-self:flex-start;
  font-family:var(--font-mono);font-size:clamp(.95rem,2vw,1.18rem);letter-spacing:.34em;
  text-transform:uppercase;color:var(--green-2);font-weight:700;
}
.squiggle{position:absolute;left:0;bottom:-8px;width:100%;height:9px;color:var(--amber-2);opacity:.85}
.hero__sub{
  font-size:clamp(1.18rem,2.5vw,1.6rem);font-weight:700;color:var(--ink);letter-spacing:.01em;margin-bottom:14px;
}
.hero__lead{color:var(--ink-2);font-size:1.02rem;max-width:46ch}
.tagline{
  display:block;font-weight:800;color:var(--green);font-size:.95rem;margin-bottom:6px;letter-spacing:.02em;
}
.hero__cta{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0 28px}
.hero__stats{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;max-width:470px}
.hero__stats li{
  display:flex;flex-direction:column;gap:1px;padding:10px 12px;
  border-left:2px solid var(--line-strong);
}
.hero__stats b{font-size:1.32rem;line-height:1.2;letter-spacing:-.02em}
.hero__stats span{font-size:.74rem;color:var(--ink-3);letter-spacing:.04em}

/* 3D 舞台 */
.hero__stage{min-width:0}
.stage-card{
  border:1.5px solid var(--line);border-radius:26px;overflow:hidden;
  background:
    radial-gradient(120% 90% at 50% 0%,var(--card-2),var(--card) 72%),
    var(--card);
  box-shadow:0 6px 0 var(--shadow-hard),0 30px 50px -38px var(--shadow-soft);
}
.stage-card__bar{
  display:flex;align-items:center;gap:8px;padding:10px 14px;
  border-bottom:1px dashed var(--line);font-size:.78rem;color:var(--ink-3);
}
.stage-card__dot{width:8px;height:8px;border-radius:50%;background:var(--amber-2);flex:none}
.stage-card__dot--ok{background:var(--green-2);box-shadow:0 0 0 3px var(--green-soft)}
.stage-card__label{font-weight:600;letter-spacing:.02em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.stage-card__tools{margin-left:auto;display:flex;gap:6px;flex:none}
.chipbtn{
  display:inline-flex;align-items:center;gap:5px;padding:5px 10px;border-radius:999px;
  font-size:.74rem;font-weight:600;color:var(--ink-2);
  border:1px solid var(--line);background:var(--card);
  transition:background-color .2s,color .2s,border-color .2s,transform .15s;
}
.chipbtn .ico{font-size:.95em}
.chipbtn:hover{border-color:var(--line-strong);color:var(--ink)}
.chipbtn.is-on{background:var(--green-soft);border-color:var(--green-3);color:var(--green)}
html[data-theme="dark"] .chipbtn.is-on{color:var(--green)}

.stage{
  position:relative;aspect-ratio:1/.88;min-height:320px;
  background-image:radial-gradient(circle at 1px 1px,var(--dot) 1px,transparent 0);
  background-size:24px 24px;
  background-position:center;
}
.stage--tall{aspect-ratio:1/.8}
.stage__canvas{position:absolute;inset:0;touch-action:pan-y}
.stage__canvas canvas{display:block;width:100%!important;height:100%!important}
.stage__hint{
  position:absolute;left:50%;bottom:10px;transform:translateX(-50%);
  display:inline-flex;align-items:center;gap:6px;
  font-size:.72rem;color:var(--ink-3);white-space:nowrap;
  background:color-mix(in srgb,var(--card) 82%,transparent);
  border:1px solid var(--line);border-radius:999px;padding:4px 11px;
  backdrop-filter:blur(6px);pointer-events:none;
  opacity:.92;transition:opacity .4s;
}
.stage.is-touched .stage__hint{opacity:0}
.stage__fallback{display:none;position:absolute;inset:0;place-items:center;text-align:center;padding:24px;color:var(--ink-3);font-size:.88rem}
.stage.no-webgl .stage__fallback{display:grid}
.stage.no-webgl .stage__canvas{display:none}

/* 热点 */
.hotspots{position:absolute;inset:0;pointer-events:none}
.hotspot{
  position:absolute;top:0;left:0;width:12px;height:12px;
  padding:0;border:0;background:none;
  transition:opacity .3s;
  will-change:transform;
}
.hotspot:hover{z-index:3}
.hotspot__dot{
  position:absolute;inset:0;border-radius:50%;
  background:var(--accent-bg);
  box-shadow:0 0 0 2px var(--card),0 0 0 4px color-mix(in srgb,var(--green-2) 40%,transparent);
}
.hotspot__dot::after{
  content:"";position:absolute;inset:-6px;border-radius:50%;
  border:1.5px solid color-mix(in srgb,var(--green-2) 60%,transparent);
  animation:ring 2.4s infinite ease-out;
}
@keyframes ring{0%{transform:scale(.65);opacity:.9}70%,100%{transform:scale(1.5);opacity:0}}
.hotspot__label{
  position:absolute;left:18px;top:50%;transform:translateY(-50%);
  font-size:.7rem;font-weight:700;white-space:nowrap;color:var(--ink);
  background:color-mix(in srgb,var(--card) 90%,transparent);
  border:1px solid var(--line);border-radius:999px;padding:2px 8px;
  backdrop-filter:blur(6px);box-shadow:0 2px 8px -4px var(--shadow-soft);
  transition:opacity .2s,background-color .2s,color .2s;
}
.hotspot[data-side="left"] .hotspot__label{left:auto;right:18px}
.hotspot[data-side="top"] .hotspot__label{left:50%;right:auto;top:auto;bottom:16px;transform:translateX(-50%)}
.hotspot.is-active .hotspot__dot{background:var(--amber);box-shadow:0 0 0 2px var(--card),0 0 0 5px var(--amber-soft)}
.hotspot.is-active .hotspot__label{background:var(--accent-bg);color:var(--accent-ink);border-color:transparent}
.hotspots--interactive{pointer-events:none}
.hotspots--interactive .hotspot{pointer-events:auto;cursor:pointer}
.hotspots--interactive .hotspot:hover .hotspot__label{background:var(--accent-bg);color:var(--accent-ink);border-color:transparent}
.hotspot.is-hidden{opacity:0;pointer-events:none!important}
/* 首屏：只显示圆点 */
.hotspots--minimal .hotspot{width:14px;height:14px}
.hotspots--minimal .hotspot__label{display:none}

/* 滚动条幅 */
.ticker{border-block:1px dashed var(--line);background:color-mix(in srgb,var(--card) 55%,transparent);position:relative;z-index:1}
.ticker__in{
  display:flex;gap:clamp(16px,3vw,40px);align-items:center;
  padding:13px 0;overflow-x:auto;scrollbar-width:none;
}
.ticker__in::-webkit-scrollbar{display:none}
.ticker__in p{display:flex;align-items:center;gap:7px;font-size:.82rem;color:var(--ink-2);white-space:nowrap;margin:0}
.ticker__in .ico{color:var(--green-2)}

/* ---------- 6. 产品形态 / 解剖 ---------- */
.inspector{display:grid;grid-template-columns:minmax(280px,340px) 1fr;gap:18px;align-items:stretch}
.inspector__list{display:flex;flex-direction:column;gap:8px}
.part-item{
  display:flex;align-items:center;gap:12px;width:100%;text-align:left;
  padding:12px 14px;border-radius:var(--radius-sm);
  border:1.5px solid transparent;background:transparent;
  transition:background-color .2s,border-color .2s,transform .2s var(--ease),box-shadow .2s;
}
.part-item:hover{background:var(--card);border-color:var(--line);transform:translateX(2px)}
.part-item.is-active{
  background:var(--card);border-color:var(--green-3);
  box-shadow:0 3px 0 var(--shadow-hard);transform:translateX(2px);
}
.part-item__ico{
  width:42px;height:42px;border-radius:13px;display:grid;place-items:center;flex:none;
  background:var(--green-soft);color:var(--green);font-size:20px;
  border:1px solid var(--line);
}
.part-item__ico--amber{background:var(--amber-soft);color:var(--amber)}
.part-item__ico--blue{background:color-mix(in srgb,var(--blue) 14%,transparent);color:var(--blue)}
.part-item__ico--green{background:var(--green-soft);color:var(--green)}
.part-item__ico--cyan{background:var(--cyan-soft);color:var(--cyan)}
.part-item__ico--wheat{background:color-mix(in srgb,var(--wheat) 16%,transparent);color:var(--wheat)}
.part-item__ico--red{background:color-mix(in srgb,var(--red) 13%,transparent);color:var(--red)}
.part-item__body{display:flex;flex-direction:column;min-width:0}
.part-item__body b{font-size:.98rem;letter-spacing:.01em}
.part-item__body small{font-size:.76rem;color:var(--ink-3);line-height:1.4}
.part-item__arrow{margin-left:auto;color:var(--ink-3);opacity:0;transform:translateX(-4px);transition:.2s}
.part-item:hover .part-item__arrow,.part-item.is-active .part-item__arrow{opacity:1;transform:none;color:var(--green)}

.part-facts{
  display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:20px;
}
.part-facts li{
  display:flex;align-items:center;gap:10px;padding:12px 14px;
  border:1px dashed var(--line-strong);border-radius:var(--radius-xs);
  font-size:.82rem;color:var(--ink-2);background:color-mix(in srgb,var(--card) 45%,transparent);
}
.part-facts .ico{color:var(--green-2);font-size:1.2rem}
.part-facts b{color:var(--ink);font-weight:700}

/* ---------- 7. 智能功能 ---------- */
.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(248px,1fr));gap:16px}
.feature{padding:22px 20px 18px;transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s}
.feature:hover{transform:translateY(-4px);box-shadow:0 8px 0 var(--shadow-hard),0 26px 40px -30px var(--shadow-soft);border-color:var(--line-strong)}
.feature__ico{
  display:grid;place-items:center;width:46px;height:46px;border-radius:14px;font-size:22px;
  background:var(--green-soft);color:var(--green);margin-bottom:14px;
  border:1px solid var(--line);
}
.feature__ico--amber{background:var(--amber-soft);color:var(--amber)}
.feature__ico--blue{background:color-mix(in srgb,var(--blue) 14%,transparent);color:var(--blue)}
.feature__ico--green{background:var(--green-soft);color:var(--green)}
.feature__ico--cyan{background:var(--cyan-soft);color:var(--cyan)}
.feature__ico--wheat{background:color-mix(in srgb,var(--wheat) 16%,transparent);color:var(--wheat)}
.feature__ico--red{background:color-mix(in srgb,var(--red) 13%,transparent);color:var(--red)}
.feature__ico--violet{background:color-mix(in srgb,var(--violet) 15%,transparent);color:var(--violet)}
.feature h3{font-size:1.06rem;margin-bottom:6px}
.feature p{font-size:.9rem;color:var(--ink-2);line-height:1.68}
.feature__tag{
  position:absolute;top:14px;right:14px;font-size:.66rem;letter-spacing:.08em;
  color:var(--ink-3);border:1px solid var(--line);border-radius:999px;padding:1px 8px;
}
.feature--accent{
  background:linear-gradient(155deg,color-mix(in srgb,var(--green) 12%,var(--card)),var(--card));
  border-color:var(--green-3);
}

/* ---------- 8. 云养鸡 ---------- */
.game{padding:0;overflow:hidden;margin-top:6px}
.game__head{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  padding:12px 16px;border-bottom:1px solid var(--line);
  background:color-mix(in srgb,var(--card-2) 70%,var(--card));
}
.game__title{display:flex;align-items:center;gap:9px;font-size:.94rem;min-width:0}
.game__title b{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.live-dot{width:8px;height:8px;border-radius:50%;background:#57C978;box-shadow:0 0 0 3px rgba(87,201,120,.22);animation:blink 1.8s infinite;flex:none}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.35}}
.game__badge{
  font-family:var(--font-mono);font-size:.62rem;letter-spacing:.12em;padding:1px 6px;border-radius:5px;
  background:var(--green-soft);color:var(--green);border:1px solid var(--line);
}
.game__meta{display:flex;gap:6px;flex-wrap:wrap;margin-left:auto}
.meta{
  display:inline-flex;align-items:center;gap:5px;font-size:.76rem;color:var(--ink-2);
  background:var(--card);border:1px solid var(--line);border-radius:999px;padding:3px 10px;
  font-variant-numeric:tabular-nums;
}
.meta .ico{font-size:.95em;color:var(--ink-3)}
.meta b{color:var(--ink);font-weight:700}
.meta i{font-style:normal;color:var(--ink-3);font-size:.72rem}
.game__ctrl{display:flex;gap:6px;align-items:center}

.game__body{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(320px,1fr)}
.farm{
  position:relative;min-height:400px;background:#BFDCC8;overflow:hidden;
  border-right:1px solid var(--line);
}
.farm__svg{position:absolute;inset:0;width:100%;height:100%;display:block}
.farm__hud{
  position:absolute;inset:auto 0 0;padding:14px 16px;
  display:flex;flex-direction:column;gap:8px;pointer-events:none;
}
.hint{
  display:flex;align-items:center;gap:9px;align-self:flex-start;max-width:min(94%,430px);
  background:color-mix(in srgb,var(--card) 92%,transparent);
  border:1px solid var(--line);border-radius:14px;padding:8px 13px;
  box-shadow:0 8px 22px -16px rgba(20,32,20,.7);
  backdrop-filter:blur(8px);
}
.hint__ico{font-size:1.15rem;line-height:1;flex:none;animation:hop 2.4s infinite}
@keyframes hop{0%,100%{transform:translateY(0)}50%{transform:translateY(-3px)}}
.hint p{font-size:.8rem;line-height:1.5;color:var(--ink);margin:0}
.hint.is-alert{border-color:color-mix(in srgb,var(--red) 45%,var(--line));background:color-mix(in srgb,var(--red) 10%,var(--card))}
.hint.is-good{border-color:color-mix(in srgb,var(--green-2) 45%,var(--line))}
.farm__chips{display:flex;gap:6px;flex-wrap:wrap}
.chip{
  font-size:.7rem;padding:2px 9px;border-radius:999px;
  background:color-mix(in srgb,var(--card) 88%,transparent);border:1px solid var(--line);
  color:var(--ink-2);backdrop-filter:blur(6px);
}
.chip.is-warn{color:var(--red);border-color:color-mix(in srgb,var(--red) 40%,var(--line))}
.chip.is-good{color:var(--green);border-color:var(--green-3)}

.deck{padding:16px;display:flex;flex-direction:column;gap:14px;background:var(--card);min-width:0}
.meters{display:flex;flex-direction:column;gap:7px}
.meters--chicks{padding-top:12px;border-top:1px dashed var(--line)}
.meter{display:grid;grid-template-columns:78px 1fr 44px;align-items:center;gap:9px;font-size:.76rem}
.meter__label{display:flex;align-items:center;gap:5px;color:var(--ink-2);white-space:nowrap;font-weight:600}
.meter__label .ico{font-size:.95em;color:var(--ink-3)}
.meter__bar{
  height:7px;border-radius:999px;background:color-mix(in srgb,var(--ink) 8%,transparent);overflow:hidden;
}
.meter__bar i{
  display:block;height:100%;border-radius:999px;width:0;
  background:linear-gradient(90deg,var(--green-2),var(--green));
  transition:width .5s var(--ease),background .3s;
}
.meter__val{font-family:var(--font-mono);font-size:.74rem;text-align:right;color:var(--ink);font-variant-numeric:tabular-nums}
.meter[data-key="battery"] .meter__bar i{background:linear-gradient(90deg,var(--amber-2),var(--amber))}
.meter[data-key="feed"] .meter__bar i{background:linear-gradient(90deg,#E6C983,var(--wheat))}
.meter[data-key="water"] .meter__bar i{background:linear-gradient(90deg,#8FD3E4,var(--cyan))}
.meter[data-key="satiety"] .meter__bar i{background:linear-gradient(90deg,#E6C983,var(--wheat))}
.meter[data-key="thirst"] .meter__bar i{background:linear-gradient(90deg,#8FD3E4,var(--cyan))}
.meter[data-key="comfort"] .meter__bar i{background:linear-gradient(90deg,#B7A8E8,var(--violet))}
.meter[data-key="health"] .meter__bar i{background:linear-gradient(90deg,#8FD3A2,var(--green))}
.meter.is-low .meter__bar i{background:linear-gradient(90deg,#E8998A,var(--red))!important;animation:lowblink 1.2s infinite}
@keyframes lowblink{0%,100%{opacity:1}50%{opacity:.55}}

.deck__controls{display:grid;grid-template-columns:repeat(3,1fr);gap:7px}
.ctl{
  display:flex;align-items:center;gap:8px;padding:9px 10px;border-radius:12px;text-align:left;
  border:1.5px solid var(--line);background:var(--card-2);
  transition:transform .15s var(--ease),border-color .2s,background-color .2s,box-shadow .2s;
}
.ctl:hover{border-color:var(--green-3);background:var(--green-soft);transform:translateY(-1px)}
.ctl:active{transform:translateY(0) scale(.985)}
.ctl.is-on{background:var(--green-soft);border-color:var(--green-2);box-shadow:inset 0 0 0 1px var(--green-3)}
.ctl__ico{display:grid;place-items:center;width:26px;height:26px;border-radius:8px;background:var(--card);color:var(--green);font-size:15px;flex:none;border:1px solid var(--line)}
.ctl__text{display:flex;flex-direction:column;min-width:0;line-height:1.15}
.ctl__text b{font-size:.8rem}
.ctl__text small{font-size:.64rem;color:var(--ink-3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ctl kbd{
  margin-left:auto;font-family:var(--font-mono);font-size:.6rem;color:var(--ink-3);
  border:1px solid var(--line);border-radius:4px;padding:0 3px;flex:none;
}
.ctl.is-cd{opacity:.5;pointer-events:none}

.deck__autos{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.switch{display:flex;align-items:center;gap:8px;cursor:pointer;padding:7px 9px;border-radius:11px;border:1px dashed var(--line);transition:background-color .2s,border-color .2s}
.switch:hover{background:var(--green-soft)}
.switch input{position:absolute;opacity:0;width:0;height:0}
.switch__track{
  width:32px;height:18px;border-radius:999px;background:color-mix(in srgb,var(--ink) 14%,transparent);
  position:relative;flex:none;transition:background-color .25s;border:1px solid var(--line);
}
.switch__track i{
  position:absolute;top:2px;left:2px;width:12px;height:12px;border-radius:50%;background:var(--card);
  box-shadow:0 1px 2px rgba(0,0,0,.25);transition:transform .25s var(--ease),background-color .25s;
}
.switch input:checked + .switch__track{background:var(--green-2);border-color:var(--green)}
.switch input:checked + .switch__track i{transform:translateX(14px);background:#fff}
.switch input:focus-visible + .switch__track{outline:3px solid var(--focus);outline-offset:2px}
.switch__text{display:flex;flex-direction:column;line-height:1.2;min-width:0}
.switch__text b{font-size:.76rem}
.switch__text small{font-size:.62rem;color:var(--ink-3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

.log{border:1px solid var(--line);border-radius:12px;background:var(--card-2);padding:8px 10px;min-height:96px}
.log__head{display:flex;justify-content:space-between;font-size:.68rem;color:var(--ink-3);margin-bottom:4px;letter-spacing:.04em}
.log__head b{color:var(--ink-2);font-weight:700}
.log__list{display:flex;flex-direction:column;gap:3px;max-height:110px;overflow:auto;scrollbar-width:thin}
.log__list li{
  font-size:.72rem;color:var(--ink-2);line-height:1.45;
  display:flex;gap:6px;align-items:baseline;
  animation:slideIn .3s var(--ease);
}
.log__list li span{font-family:var(--font-mono);font-size:.64rem;color:var(--ink-3);flex:none}
.log__list li.is-warn{color:var(--red)}
.log__list li.is-good{color:var(--green)}
@keyframes slideIn{from{opacity:0;transform:translateY(-3px)}to{opacity:1;transform:none}}

.game__foot{
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  padding:11px 16px;border-top:1px solid var(--line);background:color-mix(in srgb,var(--card-2) 60%,var(--card));
}
.game__foot p{font-size:.76rem;color:var(--ink-2);max-width:64ch;margin:0}
.game__foot b{color:var(--ink)}
.game__legend{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.game__legend span{display:inline-flex;align-items:center;gap:5px;font-size:.72rem;color:var(--ink-2)}
.dot{width:7px;height:7px;border-radius:50%;display:inline-block;flex:none}
.dot--green{background:#57C978}
.dot--amber{background:var(--amber-2)}
.dot--red{background:var(--red)}

/* 场景内动画 */
.ck__bob{transition:transform .2s}
.ck.is-walk .ck__bob{animation:ckbob .46s infinite alternate ease-in-out}
@keyframes ckbob{from{transform:translateY(0)}to{transform:translateY(-2.2px)}}
.ck.is-scan .ck__bob{animation:ckscan 1.3s ease-out}
@keyframes ckscan{
  0%{filter:drop-shadow(0 0 0 rgba(233,169,59,0))}
  30%{filter:drop-shadow(0 0 7px rgba(233,169,59,.95))}
  100%{filter:drop-shadow(0 0 0 rgba(233,169,59,0))}
}
.egg{animation:eggpop .45s var(--ease) both}
@keyframes eggpop{from{opacity:0}to{opacity:1}}
.rain{animation:rainfall .62s linear infinite}
@keyframes rainfall{from{transform:translate(0,0)}to{transform:translate(-6px,36px)}}
.cloud{animation:drift 22s ease-in-out infinite alternate}
.cloud:nth-child(2){animation-duration:29s;animation-direction:alternate-reverse}
@keyframes drift{from{transform:translateX(-18px)}to{transform:translateX(26px)}}
body.is-hidden .cloud,body.is-hidden .ck.is-walk .ck__bob,body.is-hidden .rain{animation-play-state:paused}

/* 结算 */
.result{
  position:absolute;inset:0;z-index:20;display:grid;place-items:center;padding:20px;
  background:color-mix(in srgb,var(--ink) 42%,transparent);backdrop-filter:blur(6px);
  opacity:0;visibility:hidden;transition:opacity .35s var(--ease),visibility .35s;
}
.result.is-open{opacity:1;visibility:visible}
.result__card{
  width:min(430px,100%);background:var(--card);border:1.5px solid var(--line);
  border-radius:24px;padding:24px;text-align:center;
  box-shadow:0 10px 40px -18px rgba(10,20,10,.6);
  transform:translateY(12px) scale(.98);transition:transform .35s var(--ease);
}
.result.is-open .result__card{transform:none}
.result__kicker{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-3)}
.result__card h3{font-size:1.5rem;margin:8px 0 8px}
.result__card > p{font-size:.88rem;color:var(--ink-2)}
.result__stats{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:16px 0}
.result__stats li{
  display:flex;justify-content:space-between;gap:6px;padding:8px 11px;border-radius:10px;
  background:var(--card-2);border:1px solid var(--line);font-size:.8rem;
}
.result__stats li b{font-family:var(--font-mono)}
.result__actions{display:flex;gap:10px;justify-content:center;margin-top:6px}

/* ---------- 9. SCAMPER ---------- */
.scamper{display:flex;flex-direction:column;gap:6px;counter-reset:sc}
.scamper__row{
  display:grid;grid-template-columns:58px 1fr 34px;align-items:center;gap:16px;
  padding:12px 16px;border-radius:16px;border:1.5px solid transparent;
  transition:background-color .2s,border-color .2s,transform .2s var(--ease);
}
.scamper__row:hover{background:var(--card);border-color:var(--line);transform:translateX(3px)}
.scamper__letter{
  display:grid;place-items:center;width:52px;height:52px;border-radius:16px;
  font-family:var(--font-mono);font-size:1.5rem;font-weight:700;color:#fff;
  background:var(--green);box-shadow:0 3px 0 rgba(20,32,20,.22);
}
.scamper__letter[data-c="s"]{background:#4C7A56}
.scamper__letter[data-c="c"]{background:#5A8D9E}
.scamper__letter[data-c="a"]{background:#B98A3C}
.scamper__letter[data-c="m"]{background:#8B6FA8}
.scamper__letter[data-c="p"]{background:#3F7E72}
.scamper__letter[data-c="e"]{background:#B5624B}
.scamper__letter[data-c="r"]{background:#4A6B93}
html[data-theme="dark"] .scamper__letter{color:#0C120D;box-shadow:0 3px 0 rgba(0,0,0,.5)}
.scamper__body h3{font-size:1.02rem;display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}
.scamper__body h3 span{
  font-size:.74rem;font-weight:600;color:var(--ink-3);letter-spacing:.06em;
  border:1px solid var(--line);border-radius:999px;padding:0 8px;
}
.scamper__body p{font-size:.9rem;color:var(--ink-2);margin-top:3px}
.scamper__arrow{color:var(--ink-3);opacity:0;transform:translateX(-6px);transition:.25s;justify-self:end}
.scamper__row:hover .scamper__arrow{opacity:1;transform:none}

/* ---------- 10. 使用流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;counter-reset:st}
.step{
  position:relative;padding:20px 16px 16px;border-radius:18px;
  border:1.5px solid var(--line);background:var(--card);
  box-shadow:0 3px 0 var(--shadow-hard);
  transition:transform .25s var(--ease),box-shadow .25s,border-color .2s,opacity .3s;
  opacity:.72;
}
.step.is-active{
  opacity:1;border-color:var(--green-3);transform:translateY(-4px);
  box-shadow:0 7px 0 var(--shadow-hard),0 24px 40px -32px var(--shadow-soft);
}
.step__num{
  position:absolute;top:-12px;left:16px;width:26px;height:26px;border-radius:9px;
  display:grid;place-items:center;font-family:var(--font-mono);font-size:.78rem;font-weight:700;
  background:var(--accent-bg);color:var(--accent-ink);
  box-shadow:0 2px 0 rgba(20,32,20,.2);
}
.step.is-active .step__num{background:var(--amber);color:#231a06}
.step__ico{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:var(--green-soft);color:var(--green);font-size:19px;margin:4px 0 12px;
}
.step h3{font-size:.98rem;margin-bottom:6px}
.step p{font-size:.82rem;color:var(--ink-2);line-height:1.62}
/* 连接虚线 */
.step::after{
  content:"";position:absolute;top:30px;right:-14px;width:14px;
  border-top:2px dashed var(--line-strong);
}
.step:last-child::after{display:none}

/* ---------- 11. 产品价值 / 商业 ---------- */
.values{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.value{padding:18px;display:flex;flex-direction:column;gap:10px;transition:transform .25s var(--ease),box-shadow .25s}
.value:hover{transform:translateY(-3px);box-shadow:0 7px 0 var(--shadow-hard)}
.value__ico{
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  background:var(--green-soft);color:var(--green);font-size:18px;
}
.value h3{font-size:.96rem}
.value p{font-size:.82rem;color:var(--ink-2);margin:0}

.biz{
  margin-top:26px;padding:22px;border-radius:var(--radius);
  border:1.5px solid var(--line);background:var(--card);
  box-shadow:0 4px 0 var(--shadow-hard);
}
.biz__head{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;margin-bottom:16px}
.biz__head h3{font-size:1.16rem}
.biz__head h3 span{font-size:.76rem;font-weight:600;color:var(--ink-3);margin-left:6px}
.biz__head p{font-size:.78rem;color:var(--ink-3);margin:0}
.biz__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.biz__item{padding:14px 16px;border-radius:var(--radius-sm);background:var(--card-2);border:1px dashed var(--line)}
.biz__ico{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:9px;background:var(--green-soft);color:var(--green);font-size:15px;margin-bottom:8px}
.biz__item h4{font-size:.92rem;margin-bottom:6px}
.biz__item ul{display:flex;flex-direction:column;gap:3px}
.biz__item li{font-size:.82rem;color:var(--ink-2);padding-left:15px;position:relative}
.biz__item li::before{content:"";position:absolute;left:2px;top:.68em;width:5px;height:5px;border-radius:50%;background:var(--green-3)}
.biz__tech{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:16px}
.biz__tech-label{font-size:.72rem;color:var(--ink-3);letter-spacing:.08em;margin-right:2px}
.tech{
  font-size:.76rem;padding:4px 11px;border-radius:999px;
  border:1px solid var(--line);background:var(--card-2);color:var(--ink-2);
}

/* ---------- 12. 设计稿 ---------- */
.poster{margin:0;max-width:900px;margin-inline:auto}
.poster__btn{
  display:block;position:relative;width:100%;padding:0;border-radius:20px;overflow:hidden;
  border:1.5px solid var(--line);background:var(--card);
  box-shadow:0 5px 0 var(--shadow-hard),0 30px 50px -40px var(--shadow-soft);
  transition:transform .25s var(--ease),box-shadow .25s;
}
.poster__btn:hover{transform:translateY(-3px);box-shadow:0 8px 0 var(--shadow-hard)}
.poster__btn img{width:100%;height:auto;display:block;aspect-ratio:1312/1199;object-fit:cover}
.poster__zoom{
  position:absolute;right:14px;bottom:14px;display:inline-flex;align-items:center;gap:6px;
  font-size:.78rem;font-weight:600;padding:6px 12px;border-radius:999px;
  background:color-mix(in srgb,var(--card) 88%,transparent);border:1px solid var(--line);
  backdrop-filter:blur(8px);color:var(--ink);
}
.poster figcaption{text-align:center;font-size:.8rem;color:var(--ink-3);margin-top:12px}

/* ---------- 13. 结尾 ---------- */
.cta-band{padding:clamp(40px,6vw,72px) 0;position:relative;z-index:1;overflow:hidden}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(600px 300px at 12% 30%,rgba(233,169,59,.16),transparent 70%),
    radial-gradient(600px 300px at 88% 70%,rgba(111,167,90,.16),transparent 70%);
}
.cta-band__in{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.cta-band__in > div:first-child{flex:1 1 420px;min-width:0}
.cta-band h2{font-size:clamp(1.5rem,3.2vw,2.1rem);max-width:26ch;text-wrap:balance}
.cta-band p{color:var(--ink-2);margin-top:8px}
.cta-band__btns{display:flex;gap:12px;flex-wrap:wrap;flex:none}

/* ---------- 14. 页脚 ---------- */
.footer{position:relative;z-index:1;background:var(--footer-bg,#26382A);color:#E8EFE3}
html[data-theme="dark"] .footer{background:#0A0F0B}
.footer__in{display:grid;grid-template-columns:1.1fr 1.4fr;gap:36px;padding:44px 0 26px}
.footer .brand__text b{color:#F4F8F1}
.footer .brand__text i{color:#93A78B}
.footer__brand p{font-size:.82rem;color:#A9BCA2;margin-top:10px;max-width:40ch;line-height:1.7}
.footer__slogan{color:#D9E5D2!important;font-weight:600}
.footer__links{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.footer__links h4{font-size:.82rem;letter-spacing:.06em;color:#DCE8D6;margin-bottom:10px}
.footer__links a,.footer__links p{display:block;font-size:.82rem;color:#A9BCA2;margin-bottom:6px;transition:color .2s;line-height:1.6}
.footer__links a:hover{color:#F4F8F1}
.footer__bottom{
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  padding:14px 0 22px;border-top:1px solid rgba(232,239,227,.14);
}
.footer__bottom p{font-size:.74rem;color:#8FA287;margin:0}

/* ---------- 15. 灯箱 ---------- */
.lightbox{
  position:fixed;inset:0;z-index:300;display:grid;place-items:center;padding:clamp(12px,3vw,40px);
  background:rgba(10,16,11,.86);backdrop-filter:blur(8px);
  opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s;
}
.lightbox.is-open{opacity:1;visibility:visible}
.lightbox img{
  max-width:100%;max-height:88vh;width:auto;border-radius:14px;
  box-shadow:0 30px 70px -30px rgba(0,0,0,.9);transform:scale(.98);transition:transform .3s var(--ease);
}
.lightbox.is-open img{transform:none}
.lightbox__close{
  position:absolute;top:18px;right:20px;width:44px;height:44px;border-radius:14px;
  display:grid;place-items:center;background:rgba(255,255,255,.12);color:#fff;font-size:20px;
  border:1px solid rgba(255,255,255,.2);
}
.lightbox__close:hover{background:rgba(255,255,255,.2)}

/* ---------- 16. 响应式 ---------- */
@media (max-width:1120px){
  .nav a{padding:7px 9px;font-size:.85rem}
  .inspector{grid-template-columns:minmax(250px,300px) 1fr}
}
@media (max-width:1024px){
  .hero__grid{grid-template-columns:1fr;gap:28px}
  .hero__copy{order:1}
  .hero__stage{order:2}
  .stage{aspect-ratio:16/11;min-height:340px}
  .hero__stats{max-width:none;grid-template-columns:repeat(4,1fr)}
  .game__body{grid-template-columns:1fr}
  .farm{border-right:0;border-bottom:1px solid var(--line);min-height:360px}
  .inspector{grid-template-columns:1fr}
  .inspector__list{order:2;flex-direction:row;overflow-x:auto;padding-bottom:6px;scroll-snap-type:x mandatory}
  .part-item{min-width:230px;scroll-snap-align:start;border-color:var(--line);background:var(--card)}
  .part-facts{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(3,1fr)}
  .step::after{display:none}
  .biz__grid{grid-template-columns:1fr}
  .footer__in{grid-template-columns:1fr;gap:24px}
  .footer__links{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:860px){
  .nav{
    position:fixed;top:var(--topbar-h);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:2px;
    padding:10px 16px 18px;background:var(--paper);
    border-bottom:1px solid var(--line);
    box-shadow:0 20px 30px -24px rgba(20,32,20,.6);
    transform:translateY(-12px);opacity:0;visibility:hidden;
    transition:transform .28s var(--ease),opacity .28s,visibility .28s;
    max-height:calc(100vh - var(--topbar-h));overflow:auto;
  }
  body.nav-open .nav{transform:none;opacity:1;visibility:visible}
  .nav a{padding:11px 12px;border-radius:10px;font-size:.94rem}
  .nav a.is-active::after{display:none}
  .nav-toggle{display:grid}
  .ico--menu{display:block}
  body.nav-open .ico--menu{display:none}
  body.nav-open .ico--close{display:block}
  .hide-sm{display:none}
  .topbar__actions{margin-left:auto}
  .hero__stats{grid-template-columns:repeat(2,1fr);gap:6px}
  .hero__stats li{padding:8px 10px}
  .sec-head__desc{font-size:.95rem}
  .features{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
  .steps{grid-template-columns:repeat(2,1fr)}
  .scamper__row{grid-template-columns:46px 1fr;gap:12px;padding:12px}
  .scamper__letter{width:42px;height:42px;font-size:1.2rem;border-radius:12px}
  .scamper__arrow{display:none}
  .game__meta{order:3;width:100%;margin-left:0}
  .game__head{gap:8px}
  .deck__controls{grid-template-columns:repeat(2,1fr)}
  .footer__links{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:600px){
  :root{--topbar-h:60px;--radius:18px}
  .wrap{width:calc(100% - 32px)}
  .hero{padding-top:10px}
  .hero__title-main{font-size:clamp(2.6rem,13vw,3.6rem)}
  .hero__lead{font-size:.96rem}
  .br-mobile{display:none}
  .hero__cta{gap:10px}
  .hero__cta .btn{flex:1 1 auto;padding:12px 14px;font-size:.9rem}
  .stage{aspect-ratio:4/4.1;min-height:300px}
  .stage-card__bar{padding:8px 10px;font-size:.72rem;flex-wrap:wrap}
  .stage-card__label{order:1;flex:1 1 auto;min-width:0;white-space:normal}
  .stage-card__tools{order:2;width:100%;justify-content:flex-start;margin-left:0;flex-wrap:wrap}
  .hotspot__label{font-size:.64rem;padding:2px 7px;left:15px}
  .hotspot[data-side="left"] .hotspot__label{right:15px}
  .ticker__in{padding:10px 0}
  .part-facts{grid-template-columns:1fr}
  .part-item{min-width:205px}
  .steps{grid-template-columns:1fr}
  .step{display:grid;grid-template-columns:44px 1fr;gap:4px 12px;align-items:start;padding:16px}
  .step__ico{margin:0;grid-row:1/3}
  .step h3{grid-column:2}
  .step p{grid-column:2;margin-top:2px}
  .step::after{display:none}
  .values{grid-template-columns:repeat(2,1fr)}
  .game__title b{font-size:.88rem}
  .game__title .game__badge{display:none}
  .farm{min-height:330px}
  .farm__hud{padding:10px}
  .hint{padding:6px 10px}
  .hint p{font-size:.74rem}
  .deck{padding:12px}
  .meter{grid-template-columns:66px 1fr 38px;font-size:.72rem}
  .deck__autos{grid-template-columns:1fr}
  .game__foot{padding:10px 12px}
  .game__legend{gap:8px}
  .footer__links{grid-template-columns:1fr 1fr}
  .footer__in{padding:32px 0 18px}
  .cta-band__btns{width:100%}
  .cta-band__btns .btn{flex:1 1 auto}
  .result__stats{grid-template-columns:1fr}
  .poster__zoom{font-size:.7rem;padding:4px 9px}
}
@media (max-width:380px){
  .hero__stats{grid-template-columns:1fr 1fr}
  .deck__controls{grid-template-columns:1fr}
}

/* ---------- 17. 动效偏好 & 打印 ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001s!important;animation-iteration-count:1!important;transition-duration:.001s!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}
@media print{
  .topbar,.nav,.stage__hint,.lightbox,.game__ctrl,.cta-band{display:none!important}
  body{background:#fff;color:#000}
  .section{padding:18px 0;break-inside:avoid}
}