/* ===== 完美赛场 · 共享样式 /assets/site.css ===== */

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0}
h1,h2,h3,h4,h5,p,figure,blockquote,ul,ol,dl,dd{margin:0}
ul,ol{padding:0;list-style:none}
img,svg,video{display:block;max-width:100%;height:auto}
button,input,select,textarea{font:inherit;color:inherit;background:none;border:0}
a{color:inherit}
[hidden]{display:none!important}

:root{
  --ink:#071726;
  --ridge:#0E2A47;
  --paper:#F5F1E6;
  --card:#FFFFFF;
  --accent:#E1442A;
  --gold:#F0A13C;
  --flag-blue:#2E6FA8;
  --flag-green:#2F8A72;
  --flag-yellow:#D6A419;
  --muted:#6C7E92;
  --line:rgba(7,23,38,.14);
  --line-strong:rgba(7,23,38,.30);
  --line-inverse:rgba(255,255,255,.16);
  --on-ridge:rgba(255,255,255,.72);
  --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-mono:"IBM Plex Mono","JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --shell-max:1280px;
  --page-x:64px;
  --gutter:24px;
  --bar-h:60px;
  --ease:180ms cubic-bezier(.2,.7,.3,1);
}

body{
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.8;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}

::selection{background:var(--accent);color:#fff}

:where(a,button,input,[tabindex]):focus-visible{
  outline:2px solid var(--accent);
  outline-offset:3px;
}

#main-content{display:block;scroll-margin-top:calc(var(--bar-h) + 18px)}

h1,h2,h3,h4{color:var(--ridge);font-weight:700;line-height:1.25;letter-spacing:-.01em}
h1{font-size:clamp(30px,4.6vw,52px);font-weight:900;line-height:1.12;letter-spacing:-.02em}
h2{font-size:clamp(24px,2.8vw,32px)}
h3{font-size:clamp(19px,2.1vw,24px)}
h4{font-size:17px}
strong{font-weight:700}
code,.ps-mono{font-family:var(--font-mono);font-size:15px;letter-spacing:.02em}

/* ---------- 布局工具 ---------- */
.ps-visually-hidden{
  position:absolute!important;width:1px;height:1px;margin:-1px;padding:0;
  overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;border:0;
}
.ps-container,.ps-bar-inner,.ps-footer-inner,.ps-command-inner{
  width:100%;max-width:var(--shell-max);margin-inline:auto;padding-inline:var(--page-x);
}
.ps-container--narrow{max-width:820px}
.ps-prose{max-width:34em}
.ps-prose p + p{margin-top:1em}
.ps-lead{font-size:clamp(17px,1.8vw,19px);line-height:1.85;color:#2b4159;max-width:34em}
.ps-section{padding:clamp(44px,6vw,88px) 0}
.ps-section-head{display:flex;flex-wrap:wrap;align-items:baseline;gap:12px 24px;margin-bottom:clamp(20px,3vw,36px)}
.ps-section-head h2{flex:1 1 auto}
.ps-eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--muted);
}
.ps-eyebrow::before{content:"";width:26px;height:2px;background:var(--accent);flex:0 0 auto}
.ps-rule{display:block;width:100%;height:1px;border:0;background:var(--line)}
.ps-grid{display:grid;gap:var(--gutter);grid-template-columns:repeat(12,minmax(0,1fr))}
.ps-grid > *{grid-column:span 12;min-width:0}
.ps-gridlines{
  background-image:repeating-linear-gradient(90deg,rgba(14,42,71,.07) 0 1px,transparent 1px 64px);
  background-position:0 0;
}
.ps-link{color:var(--flag-blue);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.ps-link:hover{color:var(--accent)}
.ps-skip{
  position:fixed;left:16px;top:-80px;z-index:300;
  padding:10px 18px;background:var(--accent);color:#fff;
  font-size:14px;font-weight:700;text-decoration:none;
  transition:top var(--ease);
}
.ps-skip:focus{top:14px}

/* ---------- 按钮 ---------- */
.ps-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:9px 15px;
  font-family:var(--font-sans);font-size:13px;font-weight:700;line-height:1.2;
  letter-spacing:.01em;text-decoration:none;white-space:nowrap;
  border:1px solid transparent;border-radius:0;background:transparent;
  cursor:pointer;
  transition:color var(--ease),background-color var(--ease),border-color var(--ease),transform var(--ease);
}
.ps-btn--accent{background:var(--accent);color:#fff}
.ps-btn--accent:hover{background:#c8371f;transform:translate(2px,-2px)}
.ps-btn--ghost{border-color:rgba(255,255,255,.28);color:#fff}
.ps-btn--ghost:hover{border-color:var(--accent);color:#fff;transform:translate(2px,-2px)}
.ps-btn--ink{background:var(--ridge);color:#fff}
.ps-btn--ink:hover{background:var(--ink);transform:translate(2px,-2px)}
.ps-btn--outline{border-color:var(--line-strong);color:var(--ridge)}
.ps-btn--outline:hover{border-color:var(--accent);color:var(--accent);transform:translate(2px,-2px)}
.ps-btn--tiny{padding:3px 8px;font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;border-color:rgba(255,255,255,.3);color:rgba(255,255,255,.8)}
.ps-btn--tiny:hover{border-color:var(--gold);color:#fff}
.ps-btn[data-copied="true"]{border-color:var(--flag-green);color:var(--flag-green)}
.ps-btn--cta{white-space:nowrap}

/* ---------- 命令栏 ---------- */
.ps-command-bar{
  position:sticky;top:0;z-index:120;
  background:var(--ridge);
  color:#fff;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.ps-bar-inner{
  display:flex;align-items:center;gap:clamp(10px,2vw,26px);
  height:var(--bar-h);
}
.ps-brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:#fff;flex:0 0 auto}
.ps-brand-mark{
  width:20px;height:20px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--accent) 0 55%,var(--gold) 55% 100%);
  clip-path:polygon(0 0,100% 0,100% 62%,62% 100%,0 100%);
}
.ps-brand-text{
  display:flex;flex-direction:column;
  font-size:15px;font-weight:900;line-height:1.1;letter-spacing:-.02em;
}
.ps-brand-sub{
  margin-top:3px;
  font-family:var(--font-mono);font-size:9.5px;font-weight:400;
  letter-spacing:.22em;color:rgba(255,255,255,.52);
}
.ps-brand--footer{color:#fff}

.ps-nav{display:flex;align-items:center;gap:0}
.ps-nav-link{
  position:relative;
  display:inline-flex;align-items:center;gap:7px;
  padding:10px 11px;
  font-size:13.5px;font-weight:700;line-height:1;
  color:rgba(255,255,255,.68);text-decoration:none;
  transition:color var(--ease),background-color var(--ease);
}
.ps-nav-link:hover{color:#fff;background:rgba(255,255,255,.06)}
.ps-nav-index{
  font-family:var(--font-mono);font-size:10px;letter-spacing:.04em;
  color:rgba(255,255,255,.34);
  transition:color var(--ease);
}
.ps-nav-link:hover .ps-nav-index{color:var(--gold)}
.ps-nav-link[aria-current="page"]{color:#fff}
.ps-nav-link[aria-current="page"]::after{
  content:"";position:absolute;left:11px;right:11px;bottom:0;height:2px;background:var(--accent);
}
.ps-nav-link[aria-current="page"] .ps-nav-index{color:var(--accent)}
.ps-nav-cta{display:none}

.ps-tools{display:flex;align-items:center;gap:10px;margin-left:auto}
.ps-status{display:flex;align-items:center;gap:12px}
.ps-status-item{
  display:inline-flex;align-items:center;gap:5px;
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.06em;
  color:rgba(255,255,255,.55);
}
.ps-dot{width:7px;height:7px;border-radius:50%;flex:0 0 auto;display:inline-block}
.ps-dot--ok{background:var(--flag-green)}
.ps-dot--alt{background:var(--flag-blue)}
.ps-dot--check{background:var(--flag-yellow);animation:ps-breathe 3s ease-in-out infinite}
@keyframes ps-breathe{0%,100%{opacity:1}50%{opacity:.7}}

.ps-nav-toggle{
  display:none;align-items:center;gap:8px;
  padding:9px 10px;border:1px solid rgba(255,255,255,.26);border-radius:0;
  background:transparent;color:#fff;cursor:pointer;
  font-size:12px;font-weight:700;
}
.ps-nav-toggle:hover{border-color:var(--accent)}
.ps-nav-toggle-bars{position:relative;display:block;width:14px;height:10px}
.ps-nav-toggle-bars::before,
.ps-nav-toggle-bars::after{
  content:"";position:absolute;left:0;right:0;height:2px;background:currentColor;
  transition:transform var(--ease),opacity var(--ease);
}
.ps-nav-toggle-bars::before{top:0}
.ps-nav-toggle-bars::after{bottom:0}
.ps-nav-toggle.is-open .ps-nav-toggle-bars::before{transform:translateY(4px) rotate(45deg)}
.ps-nav-toggle.is-open .ps-nav-toggle-bars::after{transform:translateY(-4px) rotate(-45deg)}

.ps-progress{
  position:absolute;left:0;bottom:0;z-index:130;
  width:100%;height:2px;
  background:linear-gradient(90deg,var(--gold),var(--accent));
  transform:scaleX(0);transform-origin:0 50%;
  transition:transform 100ms linear;
  pointer-events:none;
}

/* ---------- 站内索引面板 ---------- */
.ps-command-panel{
  position:absolute;top:100%;left:0;right:0;z-index:110;
  background:var(--ridge);
  border-top:1px solid var(--line-inverse);
  border-bottom:1px solid var(--line-inverse);
  box-shadow:0 26px 48px rgba(7,23,38,.34);
}
.ps-command-panel[data-open="false"]{display:none}
.ps-command-inner{padding-top:22px;padding-bottom:28px}
.ps-command-head{display:flex;flex-wrap:wrap;align-items:center;gap:12px 18px;margin-bottom:16px}
.ps-command-title{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.22em;
  text-transform:uppercase;color:var(--gold);
}
.ps-command-search{
  flex:1 1 240px;display:flex;align-items:center;
  border-bottom:1px solid rgba(255,255,255,.3);
  transition:border-color var(--ease);
}
.ps-command-search:focus-within{border-bottom-color:var(--accent)}
.ps-command-search input{
  flex:1 1 auto;width:100%;padding:9px 0;
  background:transparent;border:0;outline:none;
  color:#fff;font-family:var(--font-mono);font-size:13px;letter-spacing:.02em;
}
.ps-command-search input::placeholder{color:rgba(255,255,255,.42)}
.ps-command-close{margin-left:auto}
.ps-command-list{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;
  background:rgba(255,255,255,.14);
}
.ps-command-list > li{display:flex;background:var(--ridge)}
.ps-command-item{
  display:block;flex:1 1 auto;padding:14px 16px 16px;
  color:#fff;text-decoration:none;
  transition:background-color var(--ease);
}
.ps-command-item:hover{background:rgba(255,255,255,.08)}
.ps-command-no{display:block;font-family:var(--font-mono);font-size:10px;letter-spacing:.14em;color:var(--gold)}
.ps-command-name{display:block;margin-top:5px;font-size:14px;font-weight:700}
.ps-command-desc{display:block;margin-top:3px;font-size:12px;line-height:1.6;color:rgba(255,255,255,.55)}
.ps-command-empty{padding:16px 0 0;font-size:13px;color:rgba(255,255,255,.6)}

/* ---------- 页脚 ---------- */
.ps-footer{
  position:relative;
  margin-top:clamp(56px,8vw,104px);
  background:var(--ridge);
  color:rgba(255,255,255,.78);
  font-size:14px;
}
.ps-footer-slant{
  height:10px;
  background:
    linear-gradient(90deg,var(--accent) 0 16%,var(--gold) 16% 26%,transparent 26% 100%),
    repeating-linear-gradient(90deg,rgba(255,255,255,.22) 0 1px,transparent 1px 48px);
}
.ps-footer-inner{padding-top:clamp(32px,5vw,56px);padding-bottom:clamp(28px,4vw,40px)}
.ps-footer-top{
  display:grid;gap:clamp(24px,4vw,48px);
  grid-template-columns:1.6fr 1fr 1fr 1fr;
}
.ps-footer-brand{display:flex;flex-direction:column;gap:14px}
.ps-footer-motto{
  max-width:22em;font-size:14px;line-height:1.75;color:rgba(255,255,255,.6);
}
.ps-footer-title{
  margin-bottom:14px;
  font-family:var(--font-mono);font-size:11px;font-weight:400;
  letter-spacing:.2em;text-transform:uppercase;color:rgba(255,255,255,.45);
}
.ps-footer-list li + li{margin-top:2px}
.ps-footer-list a{
  display:inline-block;padding:3px 0;
  color:rgba(255,255,255,.82);text-decoration:none;
  font-size:14px;line-height:1.8;
  transition:color var(--ease);
}
.ps-footer-list a:hover{
  color:#fff;
  text-decoration:underline;text-underline-offset:4px;
  text-decoration-color:var(--accent);text-decoration-thickness:2px;
}
.ps-footer-contact{
  display:grid;gap:8px 32px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
  margin-top:clamp(28px,4vw,48px);padding-top:22px;
  border-top:1px solid var(--line-inverse);
}
.ps-contact-line{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:0}
.ps-contact-label{
  flex:0 0 auto;min-width:58px;
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.16em;
  color:rgba(255,255,255,.42);
}
.ps-contact-value{
  font-family:var(--font-mono);font-size:13px;letter-spacing:.02em;
  color:#fff;word-break:break-word;
}
.ps-footer-note{
  margin-top:6px;font-size:12.5px;line-height:1.7;color:rgba(255,255,255,.5);max-width:42ch;
}
.ps-footer-legal{
  display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px 24px;
  margin-top:26px;padding-top:18px;
  border-top:1px solid var(--line-inverse);
}
.ps-footer-meta{
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.04em;
  color:rgba(255,255,255,.5);
}
.ps-footer-meta a{color:rgba(255,255,255,.72);text-decoration:none}
.ps-footer-meta a:hover{color:var(--gold)}

/* ---------- 基础组件 ---------- */
.ps-card{
  position:relative;
  padding:clamp(20px,2.4vw,32px);
  background:var(--card);
  border:1px solid var(--line);
  transition:border-color var(--ease),transform var(--ease);
}
.ps-card:hover{border-color:var(--accent);transform:translate(2px,-2px)}
.ps-card--slate{background:var(--ridge);border-color:transparent;color:rgba(255,255,255,.8)}
.ps-card--slate h2,.ps-card--slate h3,.ps-card--slate h4{color:#fff}

.ps-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:2px 8px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;
  border:1px solid var(--line-strong);background:#fff;color:var(--ink);
}
.ps-badge--ok{border-color:var(--flag-green);color:var(--flag-green)}
.ps-badge--alt{border-color:var(--flag-blue);color:var(--flag-blue)}
.ps-badge--check{border-color:var(--flag-yellow);color:#8a6a00;background:rgba(214,164,25,.14)}
.ps-badge--accent{border-color:var(--accent);color:var(--accent)}

.ps-figure{
  position:relative;overflow:hidden;
  aspect-ratio:16/9;
  background:
    repeating-linear-gradient(90deg,rgba(255,255,255,.07) 0 1px,transparent 1px 26px),
    var(--ridge);
  border:1px solid var(--line);
}
.ps-figure img{width:100%;height:100%;object-fit:cover}
.ps-figure figcaption{
  position:absolute;left:0;bottom:0;
  padding:8px 12px;background:rgba(7,23,38,.82);color:#fff;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;
}
.ps-figure--wide{aspect-ratio:21/9}
.ps-figure--portrait{aspect-ratio:4/5}
.ps-figure--slant{clip-path:polygon(0 0,100% 0,100% 100%,0 calc(100% - 34px))}

.ps-breadcrumb{margin:0 0 22px}
.ps-breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.ps-breadcrumb li{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.04em;color:var(--muted);
}
.ps-breadcrumb li:not(:last-child)::after{content:"/";color:var(--line-strong)}
.ps-breadcrumb a{color:var(--muted);text-decoration:none}
.ps-breadcrumb a:hover{color:var(--accent)}
.ps-breadcrumb [aria-current="page"]{color:var(--ink);font-weight:600}

.ps-toc{font-family:var(--font-mono);font-size:12px;letter-spacing:.06em}
.ps-toc a{
  display:block;padding:7px 0 7px 14px;
  color:var(--muted);text-decoration:none;
  border-left:2px solid var(--line);
  transition:color var(--ease),border-color var(--ease);
}
.ps-toc a:hover{color:var(--ridge)}
.ps-toc a[aria-current="true"]{color:var(--accent);border-left-color:var(--accent)}

/* ---------- 响应式 ---------- */
@media (max-width:1120px){
  .ps-nav{
    position:absolute;top:100%;left:0;right:0;z-index:115;
    display:none;flex-direction:column;align-items:stretch;gap:0;
    padding:6px 0 12px;
    background:var(--ridge);
    border-top:1px solid var(--line-inverse);
    border-bottom:1px solid var(--line-inverse);
    box-shadow:0 24px 40px rgba(7,23,38,.36);
    max-height:calc(100vh - var(--bar-h));
    overflow-y:auto;
  }
  .ps-nav[data-open="true"]{display:flex}
  .ps-nav-link{
    padding:14px var(--page-x);
    font-size:15px;
    border-bottom:1px solid rgba(255,255,255,.07);
  }
  .ps-nav-link[aria-current="page"]{background:rgba(255,255,255,.07)}
  .ps-nav-link[aria-current="page"]::after{display:none}
  .ps-nav-cta{display:flex;margin:10px var(--page-x) 0;border-bottom:0;background:var(--accent);color:#fff;justify-content:center}
  .ps-nav-cta:hover{background:#c8371f}
  .ps-nav-toggle{display:inline-flex}
  .ps-command-panel{position:fixed;top:var(--bar-h);left:0;right:0;bottom:0;overflow-y:auto}
  .ps-command-list{grid-template-columns:repeat(2,minmax(0,1fr))}
  .ps-footer-top{grid-template-columns:1fr 1fr}
  .ps-footer-brand{grid-column:1 / -1}
}
@media (max-width:1080px){
  :root{--page-x:32px}
}
@media (max-width:960px){
  .ps-status-text{display:none}
  .ps-status{gap:9px}
}
@media (max-width:760px){
  .ps-grid{grid-template-columns:repeat(6,minmax(0,1fr))}
  .ps-col-3,.ps-col-4{grid-column:span 3}
  .ps-col-6,.ps-col-8{grid-column:span 6}
  .ps-footer-top{grid-template-columns:1fr 1fr}
}
@media (max-width:700px){
  .ps-btn--cta{display:none}
}
@media (max-width:640px){
  :root{--page-x:20px;--bar-h:56px;--gutter:16px}
  body{font-size:16px;line-height:1.75}
  .ps-status{display:none}
  .ps-command-list{grid-template-columns:minmax(0,1fr)}
  .ps-command-head{gap:10px}
  .ps-command-close{margin-left:0}
  .ps-footer-top{grid-template-columns:minmax(0,1fr)}
  .ps-footer-legal{flex-direction:column;align-items:flex-start}
}
@media (max-width:420px){
  .ps-nav-toggle-label{display:none}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.01ms!important;
    animation-iteration-count:1!important;
    transition-duration:.01ms!important;
  }
  .ps-card:hover,.ps-btn:hover{transform:none}
}