/* 完美体育 · 共享站点样式 /assets/site.css */
:root{
  --ink:#0A1411;
  --panel:#10201B;
  --panel-2:#17332B;
  --mint:#4DE8B0;
  --mint-bright:#7DFFD0;
  --amber:#FFB347;
  --amber-deep:#B9741F;
  --paper:#F1F6F3;
  --muted:#9DB3AA;
  --line:#2A4A40;
  --grad-a:#0F3A2E;
  --grad-b:#06120F;
  --font-display:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:"JetBrains Mono","SFMono-Regular",Menlo,Consolas,"Courier New",monospace;
  --r-card:22px;
  --r-img:24px;
  --r-btn:14px;
  --r-pill:999px;
  --dur:200ms;
  --ease:cubic-bezier(.2,.8,.2,1);
  --frame:1280px;
  --pad:48px;
}
@media (max-width:1024px){:root{--pad:28px}}
@media (max-width:640px){:root{--pad:18px}}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-display);
  font-size:16px;
  line-height:1.75;
  color:var(--paper);
  background-color:var(--ink);
  background-image:
    radial-gradient(900px 520px at 88% -10%, rgba(77,232,176,.13), transparent 62%),
    radial-gradient(700px 420px at 4% 2%, rgba(255,179,71,.055), transparent 60%),
    repeating-linear-gradient(0deg, rgba(42,74,64,.16) 0 1px, transparent 1px 48px),
    repeating-linear-gradient(90deg, rgba(42,74,64,.16) 0 1px, transparent 1px 48px);
  background-attachment:fixed;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
img,svg{display:block;max-width:100%}
button{font:inherit;color:inherit}
a{color:var(--mint-bright);text-decoration:none}
a:hover{color:var(--mint)}
:focus-visible{outline:2px solid var(--mint-bright);outline-offset:3px;border-radius:8px}
::selection{background:rgba(77,232,176,.32);color:#04120D}

/* ---------- 排版与通用工具 ---------- */
.display{font-size:clamp(38px,5.4vw,72px);line-height:1.02;letter-spacing:-.02em;font-weight:900}
.h2{font-size:clamp(28px,3.4vw,40px);line-height:1.15;letter-spacing:-.02em;font-weight:900}
.h3{font-size:clamp(19px,2vw,24px);line-height:1.3;font-weight:800}
.lede{font-size:17px;line-height:1.75;color:#C8D8D1;max-width:54ch}
.eyebrow,.label{display:inline-block;font-size:11px;line-height:1;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);font-weight:700}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.num{font-family:var(--font-mono);font-variant-numeric:tabular-nums;color:var(--mint);font-weight:700}
.text-muted{color:var(--muted)}
.note-rotated{display:inline-block;font-size:13px;letter-spacing:.14em;color:var(--muted);transform:rotate(-8deg);transform-origin:left bottom}
.rule{height:1px;border:0;margin:0;background:var(--line)}

.container{width:100%;max-width:var(--frame);margin-inline:auto;padding-inline:var(--pad)}
.section{padding-block:clamp(36px,5.4vw,84px)}
.band{display:flex;flex-wrap:wrap;align-items:center;gap:14px 22px;padding-block:14px;background:var(--panel);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.split{display:grid;grid-template-columns:var(--split-a,38fr) var(--split-b,62fr);gap:clamp(22px,3vw,48px);align-items:start}
.grid-12{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:clamp(16px,2vw,26px)}
.span-3{grid-column:span 3}
.span-4{grid-column:span 4}
.span-5{grid-column:span 5}
.span-6{grid-column:span 6}
.span-7{grid-column:span 7}
.span-8{grid-column:span 8}
.span-9{grid-column:span 9}
.span-12{grid-column:span 12}
.stack{display:flex;flex-direction:column;gap:clamp(14px,1.6vw,22px)}

/* ---------- 按钮 / 胶囊 / 筛选 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:13px 22px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:var(--panel-2);color:var(--paper);
  font-size:15px;font-weight:700;line-height:1.2;text-decoration:none;cursor:pointer;
  transition:transform var(--dur) var(--ease),background var(--dur) var(--ease),border-color var(--dur) var(--ease),color var(--dur) var(--ease);
}
.btn:hover{transform:translateY(-2px);border-color:rgba(77,232,176,.55);color:var(--mint-bright);background:#1B3B31}
.btn--primary{background:linear-gradient(135deg,var(--mint) 0%,#2AC396 100%);border-color:transparent;color:#062018;box-shadow:0 10px 26px rgba(77,232,176,.22)}
.btn--primary:hover{color:#04120D;background:linear-gradient(135deg,var(--mint-bright) 0%,#37D8A8 100%)}
.btn--ghost{background:transparent;color:var(--mint);border-color:rgba(77,232,176,.45)}
.btn--ghost:hover{background:rgba(77,232,176,.1);color:var(--mint-bright)}

.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 12px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:rgba(23,51,43,.7);
  font-size:11px;line-height:1.2;letter-spacing:.18em;text-transform:uppercase;font-weight:700;color:var(--muted);
}
.pill--mint{color:var(--mint);border-color:rgba(77,232,176,.45);background:rgba(77,232,176,.09)}
.pill--amber{color:var(--amber);border-color:rgba(255,179,71,.45);background:rgba(255,179,71,.09)}

.filter-bar{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.filter-btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:var(--r-pill);cursor:pointer;
  border:1px solid var(--line);background:var(--panel);color:var(--muted);
  font-size:13px;font-weight:700;line-height:1.2;
  transition:color var(--dur) var(--ease),background var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.filter-btn:hover{color:var(--paper);border-color:rgba(77,232,176,.45)}
.filter-btn[aria-pressed="true"]{color:#062018;background:var(--mint);border-color:var(--mint);box-shadow:0 0 0 3px rgba(77,232,176,.16)}
.filter-count{font-family:var(--font-mono);font-size:11px;letter-spacing:0;opacity:.8}
.is-filtered-out{display:none !important}

/* ---------- 卡片 / 图片容器 ---------- */
.card{
  position:relative;display:block;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-card);
  padding:clamp(18px,2.2vw,26px);
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.card:hover{transform:translateY(-4px);border-color:rgba(77,232,176,.45);background:var(--panel-2)}
.card__head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px}
.card__title{font-size:clamp(17px,1.8vw,21px);font-weight:800;line-height:1.35;color:var(--paper)}
.card__meta{font-size:12px;letter-spacing:.12em;color:var(--muted);font-family:var(--font-mono)}
.card--amber{
  border-color:rgba(255,179,71,.42);
  background:linear-gradient(180deg,rgba(185,116,31,.18) 0%,rgba(16,32,27,.94) 100%);
}
.card--amber:hover{border-color:rgba(255,179,71,.7);background:linear-gradient(180deg,rgba(185,116,31,.26) 0%,rgba(23,51,43,.96) 100%)}

.media-frame{
  position:relative;overflow:hidden;
  border-radius:var(--r-img);border:1px solid var(--line);
  background:linear-gradient(160deg,var(--grad-a) 0%,var(--grad-b) 100%);
  aspect-ratio:16/10;
}
.media-frame img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:1}
.media-frame::after{
  content:"";position:absolute;inset:0;z-index:2;pointer-events:none;opacity:.75;
  background-image:
    repeating-linear-gradient(90deg, rgba(77,232,176,.09) 0 1px, transparent 1px 44px),
    repeating-linear-gradient(0deg, rgba(77,232,176,.09) 0 1px, transparent 1px 44px);
}
.media-frame__caption{
  position:absolute;left:14px;bottom:14px;z-index:3;
  padding:5px 11px;border-radius:var(--r-pill);
  background:rgba(6,18,15,.78);border:1px solid var(--line);
  font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);
}

/* ---------- 面包屑 ---------- */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding-block:16px;font-size:12px;letter-spacing:.1em;color:var(--muted)}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--mint)}
.breadcrumb__sep{color:var(--line)}

/* ---------- 滚动显现 ---------- */
[data-reveal]{opacity:0;transform:translateY(14px);transition:opacity 420ms var(--ease),transform 420ms var(--ease)}
[data-reveal].is-visible{opacity:1;transform:none}

/* ---------- 跳转链接 ---------- */
.skip-link{
  position:fixed;top:10px;left:10px;z-index:200;
  padding:10px 16px;border-radius:10px;
  background:var(--mint);color:#062018;font-weight:800;font-size:14px;
  transform:translateY(-180%);
  transition:transform 180ms var(--ease);
}
.skip-link:focus{transform:translateY(0);color:#062018}

/* ---------- 头部：框架式导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(9,18,15,.94);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-frame{width:100%;max-width:var(--frame);margin-inline:auto;padding-inline:var(--pad)}
.header-bar{
  display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:stretch;
  min-height:78px;
}
.brand-mark{
  display:flex;align-items:center;gap:12px;
  padding-right:26px;border-right:1px solid var(--line);
  color:var(--paper);
}
.brand-mark:hover{color:var(--paper)}
.brand-mark__glyph{
  position:relative;flex:0 0 auto;width:34px;height:34px;border-radius:11px;
  background:linear-gradient(150deg,var(--mint) 0%,#1A9C74 100%);
  box-shadow:0 0 0 1px rgba(77,232,176,.28), 0 8px 20px rgba(77,232,176,.22);
}
.brand-mark__glyph::before{content:"";position:absolute;inset:9px;border:1.5px solid rgba(6,18,15,.72);border-radius:50%}
.brand-mark__glyph::after{content:"";position:absolute;top:7px;bottom:7px;left:50%;width:1.5px;transform:translateX(-50%);background:rgba(6,18,15,.55)}
.brand-mark__text{display:flex;flex-direction:column;gap:2px;min-width:0}
.brand-mark__name{font-size:17px;font-weight:900;letter-spacing:.02em;line-height:1.2;white-space:nowrap}
.brand-mark__tag{font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);line-height:1.2;white-space:nowrap}

.site-nav{display:flex;align-items:center;justify-content:center;min-width:0;padding:0 20px;border-right:1px solid var(--line)}
.site-nav__list{display:flex;align-items:center;gap:clamp(14px,1.9vw,26px)}
.site-nav__item{flex:0 0 auto}
.site-nav__link{
  position:relative;display:inline-flex;align-items:center;
  padding:8px 2px;font-size:15px;font-weight:700;line-height:1.2;
  color:var(--muted);white-space:nowrap;
  transition:color var(--dur) var(--ease);
}
.site-nav__link::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;border-radius:2px;
  background:var(--mint);transform:scaleX(0);transform-origin:left center;
  transition:transform var(--dur) var(--ease);
}
.site-nav__link:hover{color:var(--paper)}
.site-nav__link:hover::after{transform:scaleX(.45)}
.site-nav__link[aria-current="page"]{color:var(--mint-bright)}
.site-nav__link[aria-current="page"]::after{transform:scaleX(1);box-shadow:0 0 12px rgba(77,232,176,.65)}

.header-tools{display:flex;align-items:center;gap:10px;padding-left:22px}
.tool-link{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 14px;border-radius:var(--r-pill);border:1px solid transparent;
  font-size:12px;font-weight:700;letter-spacing:.12em;line-height:1.2;color:var(--muted);
  transition:color var(--dur) var(--ease),background var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.tool-link:hover{color:var(--paper);background:var(--panel);border-color:var(--line)}
.tool-link--accent{color:var(--mint);border-color:rgba(77,232,176,.45);background:rgba(77,232,176,.08)}
.tool-link--accent:hover{background:var(--mint);border-color:var(--mint);color:#062018}

.nav-toggle{
  display:none;align-items:center;gap:9px;
  padding:9px 14px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--panel);color:var(--paper);
  font-size:12px;font-weight:800;letter-spacing:.14em;cursor:pointer;
  transition:border-color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.nav-toggle:hover{border-color:rgba(77,232,176,.5);background:var(--panel-2)}
.nav-toggle__bars{position:relative;display:block;width:18px;height:2px;border-radius:2px;background:currentColor;transition:background var(--dur) var(--ease)}
.nav-toggle__bars::before,.nav-toggle__bars::after{
  content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:currentColor;
  transition:transform var(--dur) var(--ease);
}
.nav-toggle__bars::before{top:-6px}
.nav-toggle__bars::after{top:6px}
.nav-toggle__label{white-space:nowrap}
.site-header[data-open="true"] .nav-toggle{border-color:rgba(77,232,176,.6);color:var(--mint-bright)}
.site-header[data-open="true"] .nav-toggle__bars{background:transparent}
.site-header[data-open="true"] .nav-toggle__bars::before{transform:translateY(6px) rotate(45deg)}
.site-header[data-open="true"] .nav-toggle__bars::after{transform:translateY(-6px) rotate(-45deg)}

.header-status{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 18px;
  padding:9px 0;border-top:1px solid var(--line);
}
.status-chip{
  display:inline-flex;align-items:center;gap:9px;
  padding:5px 13px 5px 11px;border-radius:var(--r-pill);
  border:1px solid rgba(77,232,176,.32);background:rgba(77,232,176,.07);
  font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);
}
.status-chip__dot{
  width:7px;height:7px;border-radius:50%;background:var(--mint);flex:0 0 auto;
  box-shadow:0 0 0 3px rgba(77,232,176,.18);
  animation:status-pulse 2.6s var(--ease) infinite;
}
.status-chip__key{color:var(--muted)}
.status-chip__val{color:var(--mint-bright);font-size:11.5px;letter-spacing:.04em;text-transform:none}
.header-status__note{font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:#6E8A80}
@keyframes status-pulse{
  0%,100%{box-shadow:0 0 0 3px rgba(77,232,176,.18)}
  50%{box-shadow:0 0 0 6px rgba(77,232,176,.06)}
}

.scroll-meter{
  position:absolute;left:0;right:0;bottom:-1px;height:2px;
  background:linear-gradient(90deg,var(--mint) 0%,var(--mint-bright) 100%);
  transform:scaleX(var(--p,0));transform-origin:left center;
  transition:transform 120ms linear;pointer-events:none;
}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:clamp(44px,7vw,96px);
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,#08120F 0%,#0A1411 100%);
  color:var(--paper);
}
.footer-grid{
  display:grid;grid-template-columns:1.45fr .75fr .75fr .85fr;
  gap:clamp(22px,3vw,44px);
  padding-block:clamp(34px,4.6vw,62px);
}
.footer-brand{min-width:0}
.footer-brand__mark{display:inline-flex;align-items:baseline;color:var(--paper)}
.footer-brand__mark:hover{color:var(--paper)}
.footer-brand__name{font-size:23px;font-weight:900;letter-spacing:-.02em;line-height:1.2}
.footer-brand__dot{color:var(--mint);margin-inline:4px}
.footer-brand__tag{margin-top:8px;font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}
.footer-contact{margin-top:22px;display:grid;gap:10px;max-width:38ch;font-size:13.5px;line-height:1.65}
.footer-contact__row{display:flex;flex-wrap:wrap;align-items:flex-start;gap:4px 10px}
.footer-contact__key{
  flex:0 0 auto;min-width:60px;padding-top:3px;
  font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:#6E8A80;
}
.footer-contact__value{flex:1 1 auto;min-width:0;color:var(--paper);overflow-wrap:anywhere}
.copy-btn{
  flex:0 0 auto;cursor:pointer;
  padding:3px 10px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--panel-2);color:var(--mint);
  font-size:11px;letter-spacing:.12em;line-height:1.6;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.copy-btn:hover{border-color:rgba(77,232,176,.6);background:#1B3B31}
.copy-btn[data-copied="true"]{background:var(--mint);border-color:var(--mint);color:#062018}

.footer-col{min-width:0}
.footer-col__title{
  margin-bottom:14px;padding-bottom:10px;border-bottom:1px solid var(--line);
  font-size:11px;font-weight:800;letter-spacing:.2em;text-transform:uppercase;color:var(--mint);
}
.footer-col__list{display:grid;gap:9px}
.footer-link{
  display:inline-block;font-size:14px;color:#C8D8D1;
  transition:color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.footer-link:hover{color:var(--mint-bright);transform:translateX(3px)}

.footer-meta{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px 24px;
  padding-block:20px;border-top:1px solid var(--line);
}
.footer-legal{font-size:12px;letter-spacing:.06em;color:#6E8A80}
.footer-legal__links{display:flex;flex-wrap:wrap;gap:8px 18px}
.footer-legal__link{font-size:12px;letter-spacing:.1em;color:var(--muted)}
.footer-legal__link:hover{color:var(--mint)}
.footer-stamp{
  font-size:13px;letter-spacing:.16em;color:var(--amber);
  transform:rotate(-8deg);transform-origin:right center;
  border-bottom:1px dashed rgba(255,179,71,.5);padding-bottom:2px;white-space:nowrap;
}

/* ---------- 响应式 ---------- */
@media (max-width:1100px){
  .site-nav{padding:0 14px}
  .site-nav__list{gap:14px}
  .site-nav__link{font-size:14px}
  .brand-mark{padding-right:18px}
  .header-tools{padding-left:16px;gap:8px}
}
@media (max-width:1024px){
  .split{grid-template-columns:1fr}
  .span-3,.span-4,.span-5{grid-column:span 6}
  .span-7,.span-8,.span-9{grid-column:span 12}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:900px){
  .header-bar{grid-template-columns:minmax(0,1fr) auto;min-height:66px}
  .brand-mark{border-right:0;padding-right:12px}
  .header-tools{border-left:1px solid var(--line);padding-left:12px}
  .nav-toggle{display:inline-flex}
  .site-nav{
    display:none;
    position:absolute;left:0;right:0;top:100%;z-index:5;
    padding:10px var(--pad) 22px;
    background:#0C1A16;
    border-top:1px solid var(--line);
    border-bottom:1px solid var(--line);
    box-shadow:0 26px 44px rgba(0,0,0,.5);
    overflow:auto;max-height:calc(100vh - 110px);
  }
  .site-header[data-open="true"] .site-nav{display:block}
  .site-nav__list{flex-direction:column;align-items:stretch;gap:0}
  .site-nav__item{border-bottom:1px solid var(--line)}
  .site-nav__item:last-child{border-bottom:0}
  .site-nav__link{display:block;padding:14px 4px;font-size:17px}
  .site-nav__link::after{bottom:6px;right:auto;width:22px}
  .site-nav__link:hover::after{transform:scaleX(1)}
  .header-status__note{display:none}
}
@media (max-width:640px){
  .span-3,.span-4,.span-5,.span-6,.span-7,.span-8,.span-9{grid-column:span 12}
  .header-bar{grid-template-columns:auto minmax(0,1fr) auto}
  .brand-mark__text{gap:0}
  .brand-mark__tag{display:none}
  .tool-link{display:none}
  .tool-link--accent{display:inline-flex;padding:7px 12px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-meta{flex-direction:column;align-items:flex-start}
  .footer-stamp{transform:rotate(-6deg);transform-origin:left center}
  .status-chip{font-size:10px;padding:4px 10px}
  .status-chip__val{font-size:10.5px}
}

/* ---------- 可访问性 ---------- */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  [data-reveal]{opacity:1;transform:none}
  .card:hover,.btn:hover,.footer-link:hover{transform:none}
  .status-chip__dot{animation:none}
  .scroll-meter{transition:none}
}