/* ============================================================
   Clash中文下载站 · 设计系统基础层 base.css
   调性:24 小时无人自助补给站 —— 深夜墨蓝打底,乳白机身,
   暖黄灯箱,柠檬苏打黄唯一强调色;大圆角、不描边,
   靠柔和暖光与深色投影分层。
   所有颜色只在本文件 :root 令牌里出现。
   ============================================================ */

/* ---------- 设计令牌 ---------- */
:root{
  /* 主调色板(站点 palette) */
  --bg:#0C1526;
  --bg-panel:#F4EFE2;
  --bg-panel-2:#14203A;
  --bg-panel-2-soft:#1B2C4E;
  --border:#24365A;
  --accent:#E9F24F;
  --accent-dark:#B9C93A;
  --text:#F3F0E4;
  --text-muted:#96A3BC;
  --success:#82D99A;
  --warn:#F2C14E;
  --error:#F27D72;
  /* 纸墨与机身 */
  --ink:#131B2C;
  --ink-soft:rgba(19,27,44,.6);
  --paper:#FFFFFF;
  --machine-1:#F8F3E6;
  --machine-2:#F1EADA;
  --machine-3:#E3DBC3;
  --lb-1:#FFF9DE;
  --lb-2:#F6ECB0;
  --lb-3:#EFE08A;
  --can-1:#D8CFB2;
  --can-2:#FBF6E7;
  --can-3:#F0E9D4;
  --can-4:#CEC4A6;
  --win-1:#1B2C4E;
  --win-2:#101E3A;
  --win-3:#0B1526;
  --btn-1:#F4F96E;
  --btn-2:#E0EA42;
  --plate-1:#F0F76B;
  --plate-2:#D7E144;
  /* 纹理与光 */
  --dot-grid:rgba(150,163,188,.09);
  --glow-bg-a:rgba(233,242,79,.07);
  --glow-bg-b:rgba(36,54,90,.55);
  --glow-accent:rgba(233,242,79,.42);
  --glow-accent-mid:rgba(233,242,79,.16);
  --glow-accent-soft:rgba(233,242,79,.15);
  --glow-ground:rgba(233,242,79,.28);
  --glow-ground-soft:rgba(233,242,79,.09);
  --glow-success:rgba(130,217,154,.7);
  --glow-brand:rgba(233,242,79,.28);
  --glow-btn:rgba(233,242,79,.3);
  --glow-btn-hover:rgba(233,242,79,.42);
  --glow-can:rgba(233,242,79,.32);
  --glow-board:rgba(233,242,79,.1);
  /* 投影与高光 */
  --shadow-deep:rgba(2,6,16,.6);
  --shadow-card:rgba(2,6,16,.45);
  --shadow-cap:rgba(2,6,16,.35);
  --shadow-nav:rgba(2,6,16,.4);
  --shadow-lb:rgba(12,21,38,.35);
  --shadow-can:rgba(0,0,0,.42);
  --shadow-can-hover:rgba(0,0,0,.5);
  --shadow-inset:rgba(0,0,0,.55);
  --shadow-inset-soft:rgba(0,0,0,.35);
  --shadow-slit:rgba(0,0,0,.7);
  --hl-top:rgba(255,255,255,.5);
  --hl-btn:rgba(255,255,255,.55);
  --shine-band:rgba(255,255,255,.1);
  --edge-hl:rgba(243,240,228,.14);
  --hover-bg:rgba(243,240,228,.05);
  --active-bg:rgba(233,242,79,.09);
  --cap-bg:rgba(20,32,58,.88);
  --pickup-label:rgba(243,240,228,.45);
  --ver-dim:rgba(233,242,79,.18);
  --board-hover:rgba(233,242,79,.05);
  /* 语义浅底(callout / 徽章) */
  --tint-success:rgba(130,217,154,.12);
  --tint-warn:rgba(242,193,78,.12);
  --tint-error:rgba(242,125,114,.12);
  /* 字体 */
  --font-display:"Inter","Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-body:"Inter","Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-mono:"JetBrains Mono","SFMono-Regular",Consolas,"Liberation Mono",monospace;
  /* 布局 */
  --wrap:1240px;
  --gutter:24px;
  --header-h:64px;
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  min-height:100vh;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
button{font:inherit;background:none;border:0;cursor:pointer;color:inherit}
a{text-decoration:none;color:inherit}
a:focus-visible,button:focus-visible,summary:focus-visible{
  outline:2px solid var(--accent);outline-offset:3px;border-radius:6px;
}
::selection{background:var(--accent);color:var(--ink)}
svg{display:block}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ---------- 背景氛围:点阵纹理 + 远处光晕 ---------- */
.bg-dots{
  position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:radial-gradient(var(--dot-grid) 1px,transparent 1.4px);
  background-size:28px 28px;
}
.bg-glow-a{
  position:fixed;top:-240px;right:-180px;width:680px;height:680px;z-index:0;pointer-events:none;
  background:radial-gradient(circle,var(--glow-bg-a),transparent 65%);
}
.bg-glow-b{
  position:fixed;left:-220px;bottom:-300px;width:720px;height:720px;z-index:0;pointer-events:none;
  background:radial-gradient(circle,var(--glow-bg-b),transparent 68%);
}

/* ---------- 版心与区块节奏 ---------- */
.wrap{
  width:100%;max-width:var(--wrap);margin:0 auto;
  padding-inline:var(--gutter);
}
/* 区块节奏只声明纵向 padding,严禁横向清零(防贴边铁律) */
.sec{padding-top:88px;padding-bottom:88px}
.sec--tight{padding-top:56px;padding-bottom:56px}
.sec-head{margin-bottom:36px;max-width:760px}
.sec-title{
  font-family:var(--font-display);
  font-size:clamp(1.7rem,1.15rem + 2vw,2.4rem);
  font-weight:800;letter-spacing:.5px;margin-top:14px;
}
.sec-desc{margin-top:12px;color:var(--text-muted);line-height:1.9;font-size:15px}
.grid{display:grid;gap:18px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid > *{min-width:0}

/* ---------- 排版 ---------- */
h1,h2,h3,h4{font-family:var(--font-display);line-height:1.3}
h1{font-size:clamp(2.5rem,1.6rem + 3.4vw,3.8rem);font-weight:900;letter-spacing:.5px}
h2{font-size:clamp(1.5rem,1.1rem + 1.6vw,2rem);font-weight:800}
h3{font-size:1.2rem;font-weight:800}
h4{font-size:1.05rem;font-weight:700}
p{line-height:1.9}
.muted{color:var(--text-muted)}
.mono{font-family:var(--font-mono)}

/* 小标签行(圆点 + 短状语) */
.kicker{
  display:inline-flex;align-items:center;gap:9px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:2px;color:var(--text-muted);
}
.kicker .dot{
  width:8px;height:8px;border-radius:50%;background:var(--success);flex:none;
  box-shadow:0 0 10px var(--glow-success);animation:dotPulse 2.6s ease-in-out infinite;
}

/* 事实胶囊行 */
.caps{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.cap{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--cap-bg);color:var(--text-muted);
  font-size:12.5px;font-weight:500;padding:8px 15px;border-radius:999px;
  box-shadow:0 4px 14px var(--shadow-cap);
  max-width:100%;overflow:hidden;white-space:nowrap;
  transition:color .2s ease;
}
.cap:hover{color:var(--text)}
.cap .cap-dot{width:6px;height:6px;border-radius:2px;background:var(--accent);flex:none}
.cap .cap-dot--blue{background:var(--text-muted)}
.cap .cap-dot--green{background:var(--success)}

/* 正文排版(教程 / 文章 / 深文档) */
.prose{font-size:15.5px;line-height:2;color:var(--text)}
.prose > *{min-width:0}
.prose p{margin:0 0 1.15em}
.prose h2{
  position:relative;margin:2.1em 0 .9em;padding-left:16px;
  font-size:clamp(1.4rem,1.1rem + 1.2vw,1.75rem);font-weight:800;line-height:1.4;
}
.prose h2::before{
  content:"";position:absolute;left:0;top:.32em;bottom:.32em;width:5px;border-radius:3px;
  background:linear-gradient(180deg,var(--plate-1),var(--plate-2));
  box-shadow:0 0 14px var(--glow-accent-mid);
}
.prose h3{margin:1.9em 0 .7em;font-size:1.16rem;font-weight:800}
.prose h4{margin:1.6em 0 .6em;font-size:1.02rem;font-weight:700}
.prose a{color:var(--accent);text-decoration:underline;text-underline-offset:3px;text-decoration-color:var(--ver-dim);transition:text-decoration-color .2s ease}
.prose a:hover{text-decoration-color:var(--accent)}
.prose ul,.prose ol{margin:0 0 1.2em;padding-left:1.2em}
.prose li{margin-bottom:.5em}
.prose ul li::marker{color:var(--accent-dark)}
.prose code{
  font-family:var(--font-mono);font-size:.88em;color:var(--accent);
  background:var(--win-2);padding:2px 7px;border-radius:7px;
}
.prose pre{
  margin:1.3em 0;padding:18px 20px;border-radius:14px;overflow-x:auto;
  background:linear-gradient(180deg,var(--win-2),var(--win-3));
  box-shadow:inset 0 2px 10px var(--shadow-inset);
  -webkit-overflow-scrolling:touch;
}
.prose pre code{background:none;padding:0;color:var(--text);font-size:13px;line-height:1.85}
.prose blockquote{
  margin:1.4em 0;padding:16px 20px;border-radius:14px;
  background:var(--glow-board);color:var(--text);
  box-shadow:inset 5px 0 0 var(--accent-dark);
}
.prose blockquote p{margin:0}
.prose img{border-radius:14px;margin:1.2em 0}
.prose strong{font-weight:700;color:var(--accent)}

/* 步骤列表(等宽编号小牌) */
.steps{counter-reset:step;list-style:none;padding:0;margin:0 0 1.2em}
.steps > li{counter-increment:step;position:relative;padding-left:56px;margin-bottom:22px}
.steps > li::before{
  content:counter(step,decimal-leading-zero);
  position:absolute;left:0;top:2px;
  font-family:var(--font-mono);font-size:12px;font-weight:700;letter-spacing:1px;color:var(--ink);
  background:linear-gradient(180deg,var(--plate-1),var(--plate-2));
  padding:4px 9px;border-radius:7px;box-shadow:0 3px 8px var(--shadow-cap);
}

/* ---------- 按钮 ---------- */
.btn-primary{
  display:inline-flex;align-items:center;gap:9px;
  background:linear-gradient(180deg,var(--btn-1),var(--btn-2));color:var(--ink);
  font-size:16px;font-weight:800;letter-spacing:1px;
  padding:15px 26px;border-radius:14px;
  box-shadow:0 12px 30px var(--glow-btn),inset 0 1.5px 0 var(--hl-btn);
  transition:transform .22s ease,box-shadow .22s ease;
}
.btn-primary svg{width:17px;height:17px;flex:none}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 40px var(--glow-btn-hover),inset 0 1.5px 0 var(--hl-btn)}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--bg-panel-2);color:var(--text);
  font-size:15px;font-weight:600;padding:15px 24px;border-radius:14px;
  box-shadow:0 8px 22px var(--shadow-nav);
  transition:transform .22s ease,background-color .22s ease;
}
.btn-ghost svg{width:15px;height:15px;color:var(--text-muted);flex:none}
.btn-ghost:hover{transform:translateY(-2px);background:var(--bg-panel-2-soft)}
.btn-sm{padding:11px 18px;font-size:14px;border-radius:12px}
.btn-sm svg{width:15px;height:15px}
.btn-row{display:flex;align-items:center;gap:14px;flex-wrap:wrap}

/* ---------- 通用面板 ---------- */
.panel{
  background:var(--bg-panel-2);border-radius:18px;padding:24px;
  box-shadow:0 10px 26px var(--shadow-card);
}
.panel-paper{
  background:linear-gradient(160deg,var(--bg-panel),var(--machine-2));
  color:var(--ink);border-radius:24px;padding:30px;
  box-shadow:0 16px 40px var(--shadow-card);
}
.panel-paper .muted{color:var(--ink-soft)}

/* ---------- 顶部导航(iconic:图标+文字) ---------- */
.topbar{position:relative;z-index:50;height:var(--header-h);display:flex;align-items:center}
.topbar-inner{
  width:100%;max-width:var(--wrap);margin:0 auto;padding:0 var(--gutter);
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.brand{display:flex;align-items:center;gap:11px;flex:none}
.brand-mark{width:32px;height:32px;flex:none;border-radius:11px;box-shadow:0 4px 12px var(--glow-brand)}
.brand-mark img{width:32px;height:32px;border-radius:11px}
.brand-name{font-family:var(--font-display);font-size:16.5px;font-weight:800;letter-spacing:.5px;white-space:nowrap}
.brand-name em{font-style:normal;color:var(--accent)}
.nav-main{display:flex;align-items:center;gap:4px}
.nav-link{
  display:flex;align-items:center;gap:7px;
  font-size:14px;font-weight:500;color:var(--text-muted);
  padding:8px 13px;border-radius:10px;white-space:nowrap;
  transition:color .2s ease,background-color .2s ease;
}
.nav-link svg{width:15px;height:15px;flex:none}
.nav-link:hover{color:var(--text);background:var(--hover-bg)}
.nav-link.is-active{color:var(--accent);background:var(--active-bg)}
.topbar-tools{display:flex;align-items:center;gap:10px;margin-left:14px;flex:none}
.lang-wrap{position:relative}
.lang-switch{
  display:flex;align-items:center;gap:7px;
  background:var(--bg-panel-2);color:var(--text);
  font-size:13px;font-weight:500;padding:8px 15px;border-radius:999px;
  box-shadow:0 4px 14px var(--shadow-nav);
  transition:background-color .2s ease;
}
.lang-switch:hover{background:var(--bg-panel-2-soft)}
.lang-switch .icon-globe{width:14px;height:14px;color:var(--text-muted);flex:none}
.lang-switch .icon-chev{width:12px;height:12px;color:var(--text-muted);flex:none;transition:transform .2s ease}
.lang-wrap.is-open .icon-chev{transform:rotate(180deg)}
.lang-menu{
  position:absolute;top:calc(100% + 10px);right:0;min-width:158px;z-index:70;
  background:var(--bg-panel-2);border-radius:14px;padding:6px;
  box-shadow:0 18px 44px var(--shadow-deep);
  opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s;
}
.lang-wrap.is-open .lang-menu{opacity:1;visibility:visible;transform:none}
.lang-item{
  display:flex;align-items:center;gap:8px;width:100%;
  padding:10px 12px;border-radius:10px;font-size:13.5px;color:var(--text-muted);
  transition:color .2s ease,background-color .2s ease;
}
.lang-item:hover{color:var(--text);background:var(--hover-bg)}
.lang-item.is-current{color:var(--accent)}
.lang-item.is-current::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);flex:none;box-shadow:0 0 8px var(--glow-accent)}
.nav-toggle{
  display:none;width:44px;height:44px;min-width:44px;min-height:44px;
  align-items:center;justify-content:center;border-radius:12px;color:var(--text);
  transition:background-color .2s ease;
}
.nav-toggle:hover{background:var(--hover-bg)}
.nav-toggle svg{width:22px;height:22px}
.nav-veil{
  position:fixed;inset:0;z-index:40;background:var(--shadow-deep);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s;
}
html.nav-open{overflow:hidden}
html.nav-open .nav-veil{opacity:1;visibility:visible}

/* ---------- Hero 布局 ---------- */
.hero{position:relative;z-index:2;display:flex;align-items:center;min-height:calc(100vh - var(--header-h))}
.hero-inner{
  width:100%;max-width:var(--wrap);margin:0 auto;padding:24px var(--gutter) 0;
  display:grid;grid-template-columns:minmax(0,1fr) 500px;
  align-items:center;gap:24px;
}

/* 左侧文案 */
.hero-copy{max-width:540px;padding-bottom:40px;min-width:0}
.lede{margin-top:22px;font-size:21px;line-height:1.9;font-weight:500;color:var(--text)}
.lede strong{font-weight:800;color:var(--accent)}
.cta-row{display:flex;align-items:center;gap:14px;margin-top:30px;flex-wrap:wrap}

/* ---------- 首屏装置:自动贩卖机 ---------- */
.machine-wrap{position:relative;width:500px;display:flex;justify-content:center;padding-bottom:56px;min-width:0}

/* 整机暖光晕 + 地面光斑(仅这两处呼吸) */
.machine-halo{
  position:absolute;top:-70px;left:50%;transform:translateX(-50%);
  width:640px;height:560px;z-index:0;pointer-events:none;
  background:radial-gradient(50% 50% at 50% 32%,var(--glow-accent-soft),transparent 70%);
  filter:blur(6px);animation:glowBreathe 7s ease-in-out infinite;
}
.ground-spot{
  position:absolute;left:50%;bottom:0;transform:translateX(-50%);
  width:640px;height:110px;z-index:0;pointer-events:none;
  background:radial-gradient(ellipse at center,var(--glow-ground) 0%,var(--glow-ground-soft) 45%,transparent 72%);
  filter:blur(8px);animation:groundBreathe 8s ease-in-out infinite;
}

/* 机身 */
.machine{
  position:relative;z-index:1;width:450px;
  background:linear-gradient(165deg,var(--machine-1) 0%,var(--machine-2) 45%,var(--machine-3) 100%);
  border-radius:36px;padding:20px 22px;
  box-shadow:0 44px 90px var(--shadow-deep),0 12px 30px var(--shadow-card),inset 0 2px 0 var(--hl-top);
}

/* 灯箱:整屏唯一大标题 */
.lightbox{
  position:relative;z-index:0;margin:0 -10px;padding:16px 20px 16px;
  background:linear-gradient(180deg,var(--lb-1) 0%,var(--lb-2) 55%,var(--lb-3) 100%);
  border-radius:26px;box-shadow:0 10px 30px var(--shadow-lb);
}
.lightbox::before{
  content:"";position:absolute;inset:0;border-radius:26px;z-index:-1;
  box-shadow:0 0 50px 12px var(--glow-accent),0 0 130px 44px var(--glow-accent-mid);
  animation:glowBreathe 6s ease-in-out infinite;
}
.lb-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}
.lb-badge{
  width:40px;height:40px;flex:none;border-radius:14px;
  background:linear-gradient(150deg,var(--bg-panel-2),var(--bg));
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 10px var(--shadow-lb);
}
.lb-badge svg{width:26px;height:26px;color:var(--paper)}
.lb-open{display:inline-flex;align-items:center;gap:6px;
  font-family:var(--font-mono);font-size:10px;font-weight:700;letter-spacing:2px;color:var(--ink-soft)}
.lb-open .dot{width:6px;height:6px;border-radius:50%;background:var(--success);flex:none;
  box-shadow:0 0 8px var(--glow-success);animation:dotPulse 2.6s ease-in-out infinite}
.lb-title{line-height:1;color:var(--ink)}
.lb-title-en{display:block;font-family:var(--font-display);font-size:54px;font-weight:900;letter-spacing:1px}
.lb-title-zh{display:block;font-family:var(--font-display);font-size:42px;font-weight:900;letter-spacing:6px;margin-top:6px}
.lb-sub{
  margin-top:10px;font-family:var(--font-mono);font-size:11px;font-weight:700;
  letter-spacing:2px;color:var(--ink-soft);
}

/* 机身中段:橱窗 + 侧板 */
.machine-mid{display:flex;gap:14px;margin-top:14px;align-items:stretch}
.window{
  position:relative;flex:1;overflow:hidden;min-width:0;
  background:linear-gradient(170deg,var(--win-1) 0%,var(--win-2) 55%,var(--win-3) 100%);
  border-radius:20px;padding:16px 14px 12px;
  box-shadow:inset 0 3px 14px var(--shadow-inset),inset 0 1px 0 var(--shadow-slit);
}
.window-shine{
  position:absolute;top:-36px;left:-30px;width:84px;height:280px;z-index:2;pointer-events:none;
  background:linear-gradient(90deg,transparent,var(--shine-band),transparent);
  transform:rotate(18deg);
}
.shelf{position:relative;z-index:1;display:flex;justify-content:space-between;align-items:flex-end}
.can{flex:1;display:flex;flex-direction:column;align-items:center;gap:8px;border-radius:12px;min-width:0}
.can-body{
  position:relative;width:46px;height:126px;border-radius:13px;
  background:linear-gradient(90deg,var(--can-1) 0%,var(--can-2) 28%,var(--can-3) 62%,var(--can-4) 100%);
  box-shadow:0 6px 12px var(--shadow-can),inset 0 -8px 12px var(--shadow-inset-soft);
  display:flex;align-items:center;justify-content:center;
  transition:transform .25s ease,box-shadow .25s ease;
}
.can-body::before{
  content:"";position:absolute;top:5px;left:6px;right:6px;height:7px;border-radius:50%;
  background:linear-gradient(180deg,var(--can-4),var(--can-1));
  box-shadow:inset 0 1px 2px var(--hl-top);
}
.can-label{
  writing-mode:vertical-rl;
  font-family:var(--font-mono);font-size:11.5px;font-weight:700;letter-spacing:2px;color:var(--ink);
}
.can:hover .can-body{
  transform:translateY(-5px);
  box-shadow:0 12px 20px var(--shadow-can-hover),0 0 18px var(--glow-can),inset 0 -8px 12px var(--shadow-inset-soft);
}
.lane{
  font-family:var(--font-mono);font-size:10.5px;font-weight:700;letter-spacing:1px;color:var(--ink);
  background:linear-gradient(180deg,var(--plate-1),var(--plate-2));
  padding:3px 8px;border-radius:6px;box-shadow:0 3px 8px var(--shadow-cap);
  transition:transform .25s ease;
}
.can:hover .lane{transform:translateY(-2px)}
.shelf-edge{
  position:relative;z-index:1;height:9px;border-radius:5px;margin-top:10px;
  background:linear-gradient(180deg,var(--win-1),var(--win-2));
  box-shadow:inset 0 1px 0 var(--edge-hl),0 2px 6px var(--shadow-inset-soft);
}

/* 侧板:价签屏 + 投币口 */
.side-rail{width:104px;flex:none;display:flex;flex-direction:column;gap:10px}
.side-label{
  font-family:var(--font-mono);font-size:9.5px;font-weight:700;letter-spacing:1.5px;color:var(--ink-soft);
  display:flex;justify-content:space-between;
}
.price-screen{
  background:linear-gradient(180deg,var(--win-2),var(--win-3));
  border-radius:12px;padding:11px 6px;text-align:center;
  box-shadow:inset 0 2px 8px var(--shadow-inset);
}
.price-screen .ver{
  font-family:var(--font-mono);font-size:15px;font-weight:700;letter-spacing:1px;color:var(--ver-dim);
}
/* JS 读到非空版本才点亮 */
.price-screen .ver:not(:empty){color:var(--accent);text-shadow:0 0 14px var(--glow-accent)}
.coin-panel{
  margin-top:auto;
  background:linear-gradient(180deg,var(--machine-2),var(--machine-3));
  border-radius:12px;padding:12px 10px;
  display:flex;flex-direction:column;align-items:center;gap:9px;
  box-shadow:inset 0 1px 4px var(--shadow-inset-soft),0 1px 0 var(--hl-top);
}
.coin-slot{width:5px;height:24px;border-radius:3px;background:var(--win-3);
  box-shadow:inset 0 1px 3px var(--shadow-slit)}
.coin-knob{width:20px;height:20px;border-radius:50%;
  background:radial-gradient(circle at 35% 30%,var(--machine-1),var(--machine-3));
  box-shadow:inset 0 -2px 4px var(--shadow-inset-soft),0 1px 2px var(--shadow-cap)}

/* 取物口:整机最醒目的主按钮 */
.pickup{
  margin-top:14px;
  background:linear-gradient(180deg,var(--win-2),var(--win-3));
  border-radius:20px;padding:11px 14px 14px;
  box-shadow:inset 0 3px 12px var(--shadow-inset);
}
.pickup-label{
  text-align:center;margin-bottom:9px;
  font-family:var(--font-mono);font-size:10px;font-weight:700;letter-spacing:2.5px;color:var(--pickup-label);
}
.btn-pickup{
  display:flex;align-items:center;justify-content:center;gap:9px;width:100%;
  background:linear-gradient(180deg,var(--btn-1),var(--btn-2));color:var(--ink);
  font-size:16.5px;font-weight:800;letter-spacing:2px;
  padding:14px;border-radius:13px;
  box-shadow:0 10px 26px var(--glow-btn),inset 0 1.5px 0 var(--hl-btn);
  transition:transform .22s ease,box-shadow .22s ease;
}
.btn-pickup svg{width:17px;height:17px;flex:none}
.btn-pickup:hover{transform:translateY(-2px);box-shadow:0 16px 36px var(--glow-btn-hover),inset 0 1.5px 0 var(--hl-btn)}

/* ---------- 货道层板(特性列表 / 首屏下缘预告) ---------- */
.shelf-peek{position:relative;z-index:2;margin-top:-46px}
.shelf-peek-inner{max-width:var(--wrap);margin:0 auto;padding:30px var(--gutter) 70px}
.shelf-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:16px;flex-wrap:wrap}
.shelf-title{font-family:var(--font-display);font-size:20px;font-weight:800;letter-spacing:1px}
.shelf-note{font-family:var(--font-mono);font-size:11px;letter-spacing:2px;color:var(--text-muted)}
.board-list{display:flex;flex-direction:column;gap:12px}
.board{
  display:flex;align-items:center;gap:18px;
  background:var(--bg-panel-2);border-radius:18px;padding:18px 22px;
  box-shadow:0 10px 26px var(--shadow-card);
  transition:transform .25s ease,background-color .25s ease,box-shadow .25s ease;
}
.board:hover{
  transform:translateX(6px);
  background:var(--bg-panel-2-soft);
  box-shadow:0 14px 30px var(--shadow-card),0 0 34px var(--glow-board);
}
.board-no{
  flex:none;font-family:var(--font-mono);font-size:12px;font-weight:700;letter-spacing:1px;color:var(--ink);
  background:linear-gradient(180deg,var(--plate-1),var(--plate-2));
  padding:5px 10px;border-radius:8px;box-shadow:0 3px 8px var(--shadow-cap);
}
.board-main{flex:1;display:flex;flex-direction:column;gap:3px;min-width:0}
.board-name{font-size:15.5px;font-weight:700}
.board-desc{font-size:13px;color:var(--text-muted)}
.board-arrow{flex:none;width:16px;height:16px;color:var(--text-muted);transition:color .25s ease}
.board:hover .board-arrow{color:var(--accent)}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;z-index:2;margin-top:96px;
  background:linear-gradient(180deg,var(--bg-panel-2) 0%,var(--bg) 100%);
  border-radius:30px 30px 0 0;
  box-shadow:0 -30px 70px var(--shadow-card);
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1.1fr 1fr;gap:36px;
  padding-top:56px;padding-bottom:44px;
}
.f-brand .brand{margin-bottom:16px}
.f-logo{width:36px;height:36px;flex:none;border-radius:13px;box-shadow:0 4px 12px var(--glow-brand)}
.f-desc{color:var(--text-muted);font-size:13.5px;line-height:1.9;max-width:320px}
.f-title{
  font-family:var(--font-mono);font-size:11px;font-weight:700;
  letter-spacing:2.5px;color:var(--text-muted);margin-bottom:16px;
}
.f-list{list-style:none;display:flex;flex-direction:column;gap:4px}
.f-list a{
  display:inline-flex;align-items:center;gap:8px;padding:6px 0;
  color:var(--text-muted);font-size:14px;transition:color .2s ease;
}
.f-list a:hover{color:var(--accent)}
.f-list--kw a::before{content:"";width:5px;height:5px;border-radius:2px;background:var(--accent-dark);flex:none}
.f-bottom{box-shadow:inset 0 1px 0 var(--edge-hl);padding-top:18px;padding-bottom:22px}
.f-bottom-inner{
  display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;
  font-size:12.5px;color:var(--text-muted);
}
.f-legal{display:flex;gap:20px}
.f-legal a{color:var(--text-muted);transition:color .2s ease}
.f-legal a:hover{color:var(--accent)}

/* ---------- 滚动淡入 ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.shown{opacity:1;transform:none}

/* ---------- 呼吸动画 ---------- */
@keyframes glowBreathe{0%,100%{opacity:.55}50%{opacity:1}}
@keyframes groundBreathe{
  0%,100%{opacity:.5;transform:translateX(-50%) scaleX(.94)}
  50%{opacity:.85;transform:translateX(-50%) scaleX(1.04)}
}
@keyframes dotPulse{0%,100%{opacity:1}50%{opacity:.35}}

/* ---------- 响应式 ---------- */
@media (max-width:1120px){
  .hero{min-height:0;padding:40px 0 10px}
  .hero-inner{grid-template-columns:1fr;gap:44px}
  .hero-copy{max-width:640px;padding-bottom:0}
  .machine-wrap{margin:0 auto}
  .shelf-peek{margin-top:0}
  .nav-main{flex-wrap:wrap;justify-content:flex-end}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:960px){
  .nav-main{
    position:absolute;top:100%;left:0;right:0;z-index:60;
    display:flex;flex-direction:column;align-items:stretch;gap:4px;flex-wrap:nowrap;
    background:var(--bg-panel-2);
    padding:14px 16px 22px;border-radius:0 0 26px 26px;
    box-shadow:0 30px 60px var(--shadow-deep);
    max-height:calc(100dvh - var(--header-h));
    overflow-y:auto;overscroll-behavior:contain;
    transform:translateY(-10px);opacity:0;visibility:hidden;
    transition:transform .25s ease,opacity .25s ease,visibility .25s;
  }
  html.nav-open .nav-main{transform:none;opacity:1;visibility:visible}
  .nav-main .nav-link{display:flex;width:100%;padding:13px 16px;font-size:15px;min-height:48px}
  .nav-toggle{display:inline-flex}
  .topbar-tools{margin-left:auto}
}
@media (max-width:860px){
  .grid-2,.grid-3{grid-template-columns:1fr}
}
@media (max-width:640px){
  :root{--gutter:16px}
  .sec{padding-top:64px;padding-bottom:64px}
  .sec--tight{padding-top:44px;padding-bottom:44px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .lede{font-size:18px}
}
@media (max-width:560px){
  .machine-wrap{width:100%}
  .machine{width:100%;max-width:450px}
  .machine-halo,.ground-spot{width:100%}
  .board{gap:12px;padding:16px 18px}
}
@media (max-width:480px){
  .lang-switch span{display:none}
  .lang-switch{padding:8px 12px}
}
@media (max-width:430px){
  .machine{padding:16px 16px;border-radius:28px}
  .lightbox{padding:14px 16px}
  .lb-title-en{font-size:40px}
  .lb-title-zh{font-size:32px;letter-spacing:4px}
  .machine-mid{flex-direction:column}
  .side-rail{width:100%;flex-direction:row;align-items:stretch}
  .side-rail .side-label{display:none}
  .price-screen{flex:1;display:flex;align-items:center;justify-content:center}
  .coin-panel{margin-top:0;flex-direction:row;padding:10px 16px}
  .cta-row .btn-primary,.cta-row .btn-ghost{width:100%;justify-content:center}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}