/* ==========================================================
   PG中文官网 · 共享样式 /assets/site.css
   深海蓝底 + 荧光青 + 电光紫 + 暖橙 / 切角面板 · 扫描线 · 月更仪式感
   ========================================================== */

/* ---------- 1. Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,p,ul,ol,dl,dd,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
img,svg,video{display:block;max-width:100%;height:auto}
a{color:inherit}
button,input,select,textarea{font:inherit;color:inherit}
[hidden]{display:none !important}
table{border-collapse:collapse}

/* ---------- 2. 设计变量 ---------- */
:root{
  --pg-abyss:#071426;
  --pg-deep:#0B1F38;
  --pg-deep-2:#0E2846;
  --pg-cyan:#35F2D0;
  --pg-violet:#8B5CF6;
  --pg-violet-soft:#C0A8FF;
  --pg-orange:#FF8A3D;
  --pg-amber:#FFC24B;
  --pg-green:#3DDC84;
  --pg-ink:#A9C2D8;
  --pg-bright:#EAF6FF;
  --pg-line:#2A4A66;
  --pg-line-soft:rgba(42,74,102,.5);
  --pg-font-body:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --pg-font-mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,"DejaVu Sans Mono","Courier New",monospace;
  --pg-maxw:1120px;
  --pg-gutter:20px;
  --pg-radius:14px;
  --pg-cut:18px;
  --pg-speed:.32s;
  --pg-ease:cubic-bezier(.22,.61,.36,1);
  --pg-shadow:0 22px 44px -28px rgba(0,0,0,.95);
}

/* ---------- 3. 基础排版 ---------- */
body{
  min-height:100%;
  background-color:var(--pg-abyss);
  background-image:
    radial-gradient(760px 460px at 10% -8%, rgba(53,242,208,.12), transparent 62%),
    radial-gradient(700px 440px at 94% 2%, rgba(139,92,246,.16), transparent 60%),
    radial-gradient(680px 420px at 50% 104%, rgba(255,138,61,.07), transparent 66%);
  background-repeat:no-repeat;
  background-attachment:fixed;
  color:var(--pg-ink);
  font-family:var(--pg-font-body);
  font-size:17px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  z-index:3;
  pointer-events:none;
  background-image:repeating-linear-gradient(to bottom,rgba(234,246,255,.022) 0 1px,transparent 1px 3px);
}
h1,h2,h3,h4{color:var(--pg-bright);font-weight:800;line-height:1.25;letter-spacing:.05em}
h1{font-size:clamp(28px,4.6vw,44px)}
h2{font-size:clamp(23px,3.4vw,32px)}
h3{font-size:clamp(18px,2.4vw,21px);letter-spacing:.04em}
p{max-width:66ch}
strong{color:var(--pg-bright)}
::selection{background:rgba(53,242,208,.32);color:var(--pg-bright)}
:focus-visible{outline:2px solid var(--pg-cyan);outline-offset:3px;border-radius:6px}
.pg-mono{font-family:var(--pg-font-mono);letter-spacing:.06em}

/* ---------- 4. 跳转链接 ---------- */
.pg-skip{
  position:absolute;
  left:12px;
  top:-64px;
  z-index:200;
  padding:10px 16px;
  border-radius:10px;
  background:var(--pg-cyan);
  color:#04211C;
  font-weight:700;
  font-size:14px;
  text-decoration:none;
  transition:top var(--pg-speed) var(--pg-ease);
}
.pg-skip:focus{top:12px}

/* ---------- 5. 居中刊头 ---------- */
.pg-masthead{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(7,20,38,.88);
  border-bottom:1px solid var(--pg-line);
  box-shadow:0 18px 40px -34px rgba(0,0,0,1);
  backdrop-filter:blur(14px) saturate(150%);
  -webkit-backdrop-filter:blur(14px) saturate(150%);
}
.pg-progress{
  position:absolute;
  left:0;
  right:0;
  bottom:-1px;
  height:2px;
  overflow:hidden;
}
.pg-progress__bar{
  display:block;
  height:100%;
  width:0;
  background:linear-gradient(90deg,var(--pg-cyan),var(--pg-violet) 55%,var(--pg-orange));
  box-shadow:0 0 12px rgba(53,242,208,.75);
}
.pg-masthead__inner{
  width:100%;
  max-width:var(--pg-maxw);
  margin-inline:auto;
  padding:10px var(--pg-gutter) 0;
}
.pg-masthead__bar{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:12px;
  padding-bottom:10px;
}
.pg-masthead__side{display:flex;align-items:center;min-width:0}
.pg-masthead__side--start{justify-content:flex-start}
.pg-masthead__side--end{justify-content:flex-end}

.pg-brand{
  grid-column:2;
  justify-self:center;
  display:inline-flex;
  align-items:center;
  gap:10px;
  text-align:center;
  text-decoration:none;
  color:var(--pg-bright);
}
.pg-brand__mark{
  flex:none;
  font-family:var(--pg-font-mono);
  font-size:14px;
  font-weight:700;
  letter-spacing:.14em;
  color:#04211C;
  background:linear-gradient(135deg,var(--pg-cyan),#25D6BE);
  padding:7px 9px 7px 11px;
  border-radius:9px;
  box-shadow:0 0 22px -6px rgba(53,242,208,.85);
}
.pg-brand__text{display:block}
.pg-brand__line{
  display:block;
  font-size:clamp(19px,2.6vw,26px);
  font-weight:800;
  letter-spacing:.09em;
  line-height:1.16;
  color:var(--pg-bright);
}
.pg-brand__tagline{
  display:block;
  margin-top:2px;
  font-size:12px;
  letter-spacing:.05em;
  color:var(--pg-ink);
}
.pg-status-chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 13px;
  border:1px solid rgba(255,194,75,.42);
  border-radius:999px;
  background:rgba(255,194,75,.09);
  color:var(--pg-amber);
  font-family:var(--pg-font-mono);
  font-size:12px;
  letter-spacing:.06em;
  white-space:nowrap;
}
.pg-status-chip__dot{
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--pg-amber);
  box-shadow:0 0 0 4px rgba(255,194,75,.16);
  animation:pg-pulse 2.6s ease-in-out infinite;
}
@keyframes pg-pulse{
  0%,100%{opacity:1;transform:scale(1)}
  50%{opacity:.45;transform:scale(.82)}
}

/* ---------- 6. 移动导航按钮 ---------- */
.pg-nav-toggle{
  display:none;
  align-items:center;
  gap:9px;
  padding:9px 13px;
  border:1px solid var(--pg-line);
  border-radius:11px;
  background:rgba(11,31,56,.85);
  color:var(--pg-bright);
  font-family:var(--pg-font-mono);
  font-size:12px;
  letter-spacing:.1em;
  cursor:pointer;
  transition:border-color var(--pg-speed),background var(--pg-speed);
}
.pg-nav-toggle:hover{border-color:rgba(53,242,208,.55);background:rgba(53,242,208,.09)}
.pg-nav-toggle__bars{
  position:relative;
  display:block;
  width:18px;
  height:2px;
  border-radius:2px;
  background:currentColor;
  transition:background var(--pg-speed),transform var(--pg-speed);
}
.pg-nav-toggle__bars::before,
.pg-nav-toggle__bars::after{
  content:"";
  position:absolute;
  left:0;
  width:18px;
  height:2px;
  border-radius:2px;
  background:currentColor;
  transition:top var(--pg-speed) var(--pg-ease),transform var(--pg-speed) var(--pg-ease);
}
.pg-nav-toggle__bars::before{top:-6px}
.pg-nav-toggle__bars::after{top:6px}
.pg-masthead[data-open] .pg-nav-toggle{border-color:rgba(53,242,208,.6)}
.pg-masthead[data-open] .pg-nav-toggle__bars{background:transparent}
.pg-masthead[data-open] .pg-nav-toggle__bars::before{top:0;transform:rotate(45deg)}
.pg-masthead[data-open] .pg-nav-toggle__bars::after{top:0;transform:rotate(-45deg)}

/* ---------- 7. 栏目导航 ---------- */
.pg-nav{border-top:1px solid var(--pg-line-soft)}
.pg-nav__list{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:center;
  gap:4px;
  padding:6px 0 10px;
}
.pg-nav__link{
  display:inline-block;
  padding:9px 15px;
  border:1px solid transparent;
  border-radius:999px;
  color:var(--pg-ink);
  font-size:15px;
  text-decoration:none;
  white-space:nowrap;
  transition:color var(--pg-speed),background var(--pg-speed),border-color var(--pg-speed);
}
.pg-nav__link:hover{color:var(--pg-bright);background:rgba(53,242,208,.08)}
.pg-nav__link[aria-current="page"]{
  color:var(--pg-bright);
  background:rgba(53,242,208,.12);
  border-color:rgba(53,242,208,.45);
  box-shadow:inset 0 -2px 0 var(--pg-cyan);
}
.pg-nav__cta{
  font-family:var(--pg-font-mono);
  font-size:13px;
  letter-spacing:.1em;
  color:#04211C;
  background:linear-gradient(120deg,var(--pg-cyan),#25D6BE);
  border-color:transparent;
}
.pg-nav__cta:hover{color:#04211C;background:linear-gradient(120deg,#5CF7DC,#25D6BE)}
.pg-nav__cta[aria-current="page"]{
  color:#04211C;
  background:linear-gradient(120deg,var(--pg-cyan),#25D6BE);
  border-color:rgba(234,246,255,.5);
  box-shadow:none;
}

/* ---------- 8. 页面主体与容器 ---------- */
.pg-main{display:block;position:relative;z-index:2}
.pg-main:focus-visible{outline:none}
.pg-container{
  width:100%;
  max-width:var(--pg-maxw);
  margin-inline:auto;
  padding-inline:var(--pg-gutter);
}
.pg-section{position:relative;padding-block:clamp(44px,7vw,88px)}
.pg-section__head{display:flex;flex-direction:column;gap:12px;margin-bottom:clamp(20px,3vw,34px)}
.pg-kicker{
  font-family:var(--pg-font-mono);
  font-size:12px;
  letter-spacing:.24em;
  text-transform:uppercase;
  color:var(--pg-cyan);
}
.pg-title{font-size:clamp(26px,4.4vw,42px);letter-spacing:.06em;color:var(--pg-bright)}
.pg-lead{font-size:clamp(16px,2vw,19px);line-height:1.75;color:var(--pg-ink);max-width:60ch}
.pg-num{
  font-family:var(--pg-font-body);
  font-weight:800;
  font-size:clamp(72px,18vw,180px);
  line-height:.88;
  letter-spacing:-.02em;
  color:var(--pg-bright);
  text-shadow:0 0 46px rgba(53,242,208,.42);
}
.pg-index{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:46px;
  height:28px;
  padding:0 11px;
  font-family:var(--pg-font-mono);
  font-size:12.5px;
  letter-spacing:.14em;
  color:#F3EEFF;
  background:linear-gradient(135deg,rgba(139,92,246,.9),rgba(139,92,246,.35));
  border:1px solid rgba(139,92,246,.62);
  clip-path:polygon(8px 0,100% 0,100% calc(100% - 8px),calc(100% - 8px) 100%,0 100%,0 8px);
}
.pg-band{
  height:3px;
  border-radius:3px;
  background:linear-gradient(90deg,var(--pg-cyan),var(--pg-violet) 52%,var(--pg-orange));
  opacity:.9;
}
.pg-divider{height:1px;border:0;background:linear-gradient(90deg,transparent,var(--pg-line),transparent);margin-block:clamp(22px,4vw,40px)}

/* ---------- 9. 面板与卡片 ---------- */
.pg-panel{
  position:relative;
  padding:clamp(18px,2.8vw,28px);
  border:1px solid var(--pg-line);
  border-radius:var(--pg-radius);
  background:linear-gradient(180deg,rgba(11,31,56,.95),rgba(8,22,40,.95));
  box-shadow:var(--pg-shadow);
}
.pg-panel--cut{
  border-radius:0;
  clip-path:polygon(var(--pg-cut) 0,100% 0,100% calc(100% - var(--pg-cut)),calc(100% - var(--pg-cut)) 100%,0 100%,0 var(--pg-cut));
  background:
    linear-gradient(180deg,rgba(14,40,70,.96),rgba(7,20,38,.96)),
    repeating-linear-gradient(115deg,rgba(53,242,208,.05) 0 2px,transparent 2px 10px);
}
.pg-panel__title{
  font-size:18px;
  letter-spacing:.06em;
  color:var(--pg-bright);
  margin-bottom:10px;
}
.pg-card{
  position:relative;
  padding:clamp(16px,2.4vw,24px);
  border:1px solid var(--pg-line);
  border-radius:var(--pg-radius);
  background:linear-gradient(180deg,rgba(11,31,56,.92),rgba(8,22,40,.94));
  transition:transform var(--pg-speed) var(--pg-ease),border-color var(--pg-speed),box-shadow var(--pg-speed);
}
.pg-card:hover{border-color:rgba(53,242,208,.5);transform:translateY(-3px);box-shadow:0 24px 46px -30px rgba(53,242,208,.7)}
.pg-card--tilt{transform:rotate(-1.2deg)}
.pg-card--tilt:hover{transform:rotate(-1.2deg) translateY(-3px)}
.pg-card--tilt-alt{transform:rotate(1.4deg)}
.pg-card--tilt-alt:hover{transform:rotate(1.4deg) translateY(-3px)}

/* ---------- 10. 按钮与状态标签 ---------- */
.pg-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 22px;
  border:1px solid transparent;
  border-radius:999px;
  background:transparent;
  font-size:15px;
  font-weight:700;
  letter-spacing:.04em;
  line-height:1.2;
  text-decoration:none;
  cursor:pointer;
  transition:transform var(--pg-speed) var(--pg-ease),background var(--pg-speed),border-color var(--pg-speed),color var(--pg-speed),box-shadow var(--pg-speed);
}
.pg-btn:hover{transform:translateY(-2px)}
.pg-btn:active{transform:translateY(0)}
.pg-btn--primary{
  color:#04211C;
  background:linear-gradient(120deg,var(--pg-cyan),#25D6BE);
  box-shadow:0 16px 34px -20px rgba(53,242,208,.95);
}
.pg-btn--ghost{
  color:var(--pg-bright);
  border-color:var(--pg-line);
  background:rgba(53,242,208,.05);
}
.pg-btn--ghost:hover{border-color:rgba(53,242,208,.55);background:rgba(53,242,208,.12)}
.pg-btn--orange{
  color:#2A1002;
  background:linear-gradient(120deg,var(--pg-orange),#FFB066);
  box-shadow:0 16px 34px -22px rgba(255,138,61,.95);
}
.pg-btn--violet{
  color:#F5F1FF;
  background:linear-gradient(120deg,var(--pg-violet),#6D3FE0);
  box-shadow:0 16px 34px -22px rgba(139,92,246,.95);
}
.pg-btn--sm{padding:8px 15px;font-size:13.5px}
.pg-btn[data-copied]{border-color:rgba(61,220,132,.7);color:var(--pg-green)}
.pg-chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 11px;
  border:1px solid var(--pg-line);
  border-radius:999px;
  background:rgba(11,31,56,.85);
  color:var(--pg-ink);
  font-family:var(--pg-font-mono);
  font-size:12px;
  letter-spacing:.08em;
  white-space:nowrap;
}
.pg-chip--ok{color:var(--pg-green);border-color:rgba(61,220,132,.45);background:rgba(61,220,132,.1)}
.pg-chip--warn{color:var(--pg-amber);border-color:rgba(255,194,75,.45);background:rgba(255,194,75,.1)}
.pg-chip--info{color:var(--pg-cyan);border-color:rgba(53,242,208,.45);background:rgba(53,242,208,.1)}
.pg-chip--violet{color:var(--pg-violet-soft);border-color:rgba(139,92,246,.5);background:rgba(139,92,246,.14)}

/* ---------- 11. 面包屑与网格 ---------- */
.pg-breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-family:var(--pg-font-mono);
  font-size:12.5px;
  letter-spacing:.06em;
  color:var(--pg-ink);
}
.pg-breadcrumb a{text-decoration:none;color:var(--pg-ink)}
.pg-breadcrumb a:hover{color:var(--pg-cyan)}
.pg-breadcrumb__sep{color:var(--pg-line)}
.pg-grid{display:grid;gap:clamp(14px,2vw,22px);grid-template-columns:repeat(auto-fit,minmax(258px,1fr))}
.pg-grid--2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.pg-grid--3{grid-template-columns:repeat(auto-fit,minmax(228px,1fr))}

/* ---------- 12. 图片容器（页面阶段放 img） ---------- */
.pg-media{
  position:relative;
  display:block;
  width:100%;
  aspect-ratio:16/10;
  overflow:hidden;
  border:1px solid var(--pg-line);
  border-radius:var(--pg-radius);
  background-color:var(--pg-deep);
  background-image:
    repeating-linear-gradient(115deg,rgba(53,242,208,.07) 0 2px,transparent 2px 10px),
    radial-gradient(120% 90% at 14% 0%,rgba(139,92,246,.3),transparent 60%),
    radial-gradient(96% 84% at 100% 100%,rgba(53,242,208,.2),transparent 62%);
}
.pg-media img{width:100%;height:100%;object-fit:cover}
.pg-media--wide{aspect-ratio:21/9}
.pg-media--tall{aspect-ratio:4/5}
.pg-media--square{aspect-ratio:1/1}
.pg-media::after{
  content:attr(data-label);
  position:absolute;
  left:12px;
  top:12px;
  padding:3px 9px;
  border:1px solid rgba(42,74,102,.9);
  border-radius:999px;
  background:rgba(7,20,38,.78);
  color:rgba(234,246,255,.78);
  font-family:var(--pg-font-mono);
  font-size:11px;
  letter-spacing:.14em;
}
.pg-media__cap{
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  padding:7px 12px;
  border-top:1px solid var(--pg-line);
  background:rgba(7,20,38,.86);
  color:var(--pg-ink);
  font-family:var(--pg-font-mono);
  font-size:11.5px;
  letter-spacing:.1em;
}

/* ---------- 13. 步骤条与代码块 ---------- */
.pg-steps{counter-reset:pgstep;display:grid;gap:12px}
.pg-step{
  position:relative;
  counter-increment:pgstep;
  padding:16px 18px 16px 60px;
  border:1px solid var(--pg-line);
  border-radius:var(--pg-radius);
  background:rgba(11,31,56,.72);
}
.pg-step::before{
  content:counter(pgstep,decimal-leading-zero);
  position:absolute;
  left:16px;
  top:15px;
  font-family:var(--pg-font-mono);
  font-size:13px;
  letter-spacing:.08em;
  color:var(--pg-cyan);
}
.pg-code{
  display:block;
  padding:10px 13px;
  border:1px dashed rgba(42,74,102,.95);
  border-radius:10px;
  background:rgba(7,20,38,.92);
  color:var(--pg-cyan);
  font-family:var(--pg-font-mono);
  font-size:13px;
  letter-spacing:.04em;
  line-height:1.7;
  overflow-x:auto;
  white-space:nowrap;
}

/* ---------- 14. 筛选条 ---------- */
.pg-filter{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  margin-bottom:clamp(16px,2.4vw,24px);
}
.pg-filter__btn{
  padding:8px 15px;
  border:1px solid var(--pg-line);
  border-radius:999px;
  background:rgba(11,31,56,.75);
  color:var(--pg-ink);
  font-family:var(--pg-font-mono);
  font-size:13px;
  letter-spacing:.06em;
  cursor:pointer;
  transition:color var(--pg-speed),background var(--pg-speed),border-color var(--pg-speed);
}
.pg-filter__btn:hover{color:var(--pg-bright);border-color:rgba(53,242,208,.5)}
.pg-filter__btn[aria-pressed="true"]{
  color:#04211C;
  background:var(--pg-cyan);
  border-color:var(--pg-cyan);
  box-shadow:0 12px 26px -18px rgba(53,242,208,.95);
}
.pg-filter__count{
  margin-left:auto;
  font-family:var(--pg-font-mono);
  font-size:12.5px;
  letter-spacing:.08em;
  color:var(--pg-ink);
}

/* ---------- 15. 动效辅助 ---------- */
.pg-reveal{
  opacity:0;
  transform:translateY(18px);
  transition:opacity .6s var(--pg-ease),transform .6s var(--pg-ease);
}
.pg-reveal.is-visible{opacity:1;transform:none}
.pg-to-top{
  position:fixed;
  right:18px;
  bottom:18px;
  z-index:70;
  display:grid;
  place-items:center;
  width:46px;
  height:46px;
  border:1px solid rgba(53,242,208,.45);
  border-radius:50%;
  background:rgba(7,20,38,.92);
  color:var(--pg-cyan);
  font-family:var(--pg-font-mono);
  font-size:12px;
  letter-spacing:.06em;
  cursor:pointer;
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:opacity var(--pg-speed),transform var(--pg-speed),visibility var(--pg-speed),border-color var(--pg-speed);
}
.pg-to-top:hover{border-color:var(--pg-cyan)}
.pg-to-top[data-visible]{opacity:1;visibility:visible;transform:none}

/* ---------- 16. 页脚 ---------- */
.pg-footer{
  position:relative;
  z-index:2;
  margin-top:clamp(52px,8vw,100px);
  overflow:hidden;
  border-top:1px solid var(--pg-line);
  background:linear-gradient(180deg,rgba(11,31,56,.62),rgba(4,12,24,.99));
}
.pg-footer__sweep{
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:2px;
  background:linear-gradient(90deg,transparent,var(--pg-cyan),var(--pg-violet),var(--pg-orange),transparent);
}
.pg-footer__inner{padding-block:clamp(32px,5vw,64px) 22px}
.pg-footer__grid{
  display:grid;
  gap:clamp(24px,4vw,40px);
  grid-template-columns:1.3fr repeat(3,minmax(140px,1fr));
}
.pg-footer__brand{min-width:0}
.pg-footer__logo{
  display:flex;
  align-items:center;
  gap:10px;
  color:var(--pg-bright);
  font-size:19px;
  font-weight:800;
  letter-spacing:.07em;
}
.pg-footer__tagline{
  margin-top:10px;
  font-family:var(--pg-font-mono);
  font-size:12.5px;
  letter-spacing:.09em;
  color:var(--pg-cyan);
}
.pg-footer__note{
  margin-top:10px;
  max-width:36ch;
  font-size:13.5px;
  line-height:1.7;
  color:var(--pg-ink);
}
.pg-footer__title{
  margin-bottom:12px;
  font-family:var(--pg-font-mono);
  font-size:12px;
  letter-spacing:.2em;
  color:var(--pg-cyan);
}
.pg-footer__list{display:grid;gap:8px}
.pg-footer__link{
  display:inline-block;
  padding:2px 0;
  color:var(--pg-ink);
  font-size:14.5px;
  text-decoration:none;
  transition:color var(--pg-speed),transform var(--pg-speed);
}
.pg-footer__link:hover{color:var(--pg-bright);transform:translateX(3px)}
.pg-footer__contact{
  margin-top:clamp(28px,4vw,46px);
  padding-top:clamp(20px,3vw,28px);
  border-top:1px solid var(--pg-line-soft);
}
.pg-footer__contact-list{
  display:grid;
  gap:10px;
  grid-template-columns:repeat(auto-fit,minmax(248px,1fr));
}
.pg-footer__contact-row{display:flex;align-items:baseline;gap:10px;font-size:14.5px}
.pg-footer__contact-key{
  flex:none;
  min-width:38px;
  font-family:var(--pg-font-mono);
  font-size:11.5px;
  letter-spacing:.16em;
  color:var(--pg-violet-soft);
}
.pg-footer__contact-val{color:var(--pg-bright);word-break:break-all}
.pg-footer__legal{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px 22px;
  margin-top:clamp(22px,3vw,32px);
  padding-top:18px;
  border-top:1px solid var(--pg-line-soft);
  font-size:12.5px;
  color:rgba(169,194,216,.82);
}
.pg-footer__legal-line{color:var(--pg-ink)}
.pg-footer__bottom{color:rgba(169,194,216,.82)}

/* ---------- 17. 响应式 ---------- */
@media (max-width:1024px){
  .pg-footer__grid{grid-template-columns:1fr 1fr}
  .pg-footer__brand{grid-column:1 / -1}
}
@media (max-width:900px){
  .pg-nav-toggle{display:inline-flex}
  .pg-nav{
    position:absolute;
    left:0;
    right:0;
    top:100%;
    display:block;
    border-top:1px solid var(--pg-line);
    background:rgba(7,20,38,.985);
    box-shadow:0 30px 46px -30px rgba(0,0,0,1);
    max-height:0;
    overflow:hidden;
    opacity:0;
    visibility:hidden;
    transition:max-height .36s var(--pg-ease),opacity .24s ease,visibility .24s;
  }
  .pg-masthead[data-open] .pg-nav{
    max-height:min(76vh,560px);
    overflow-y:auto;
    opacity:1;
    visibility:visible;
  }
  .pg-nav__list{
    flex-direction:column;
    align-items:stretch;
    gap:2px;
    padding:12px var(--pg-gutter) 20px;
  }
  .pg-nav__link{
    display:block;
    padding:13px 14px;
    border-radius:12px;
    border-bottom:1px solid rgba(42,74,102,.34);
    font-size:16px;
  }
  .pg-nav__link[aria-current="page"]{box-shadow:inset 3px 0 0 var(--pg-cyan)}
  .pg-nav__item--cta .pg-nav__link{
    margin-top:10px;
    border-bottom:0;
    text-align:center;
  }
}
@media (max-width:720px){
  .pg-status-chip{display:none}
  .pg-footer__grid{grid-template-columns:1fr}
  .pg-container{padding-inline:16px}
  .pg-masthead__inner{padding-inline:16px}
  .pg-nav__list{padding-inline:16px}
  body{font-size:16px}
}
@media (max-width:480px){
  .pg-brand__tagline{font-size:11px}
  .pg-brand__mark{font-size:12.5px;padding:6px 8px 6px 9px}
  .pg-btn{width:100%}
  .pg-filter__count{margin-left:0;width:100%}
}
@media (min-width:901px){
  .pg-nav__list{padding-bottom:12px}
}

/* ---------- 18. 减少动效 ---------- */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .pg-reveal{opacity:1;transform:none}
  .pg-to-top{transform:none}
  .pg-card--tilt,.pg-card--tilt-alt{transform:none}
}