/* ============================================================
   企鹅体育中文站 · 共享样式表 /assets/site.css
   1 令牌 · 2 重置 · 3 头部 · 4 通用元件 · 5 页脚 · 6 响应式与偏好
   ============================================================ */

/* ---------- 1 · 设计令牌 ---------- */
:root{
  --bg:#05070F;
  --panel:#0C1220;
  --layer:#16213A;
  --brand:#2E7BFF;
  --ice:#7FD8FF;
  --lime:#35F2C9;
  --hot:#FF8A3D;
  --hot-soft:#FFC79B;
  --ink:#EAF3FF;
  --muted:#9FB0C8;

  --line:rgba(127,216,255,.22);
  --line-soft:rgba(127,216,255,.11);
  --hot-glow:rgba(255,138,61,.32);

  --rail-w:88px;
  --topbar-h:62px;

  --font-display:"HarmonyOS Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-body:var(--font-display);
  --font-mono:"JetBrains Mono","IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;

  --r-card:16px;
  --r-organic:30px 6px 30px 6px;
  --shadow-panel:0 20px 48px -30px rgba(0,0,0,.95);
  --ease:cubic-bezier(.22,.61,.36,1);
}
@media (min-width:1024px){ :root{ --topbar-h:78px; } }

/* ---------- 2 · 重置与中文排版 ---------- */
*,*::before,*::after{ box-sizing:border-box; }

html{
  -webkit-text-size-adjust:100%;
  text-size-adjust:100%;
}
@media (prefers-reduced-motion:no-preference){
  html{ scroll-behavior:smooth; }
}

body{
  margin:0;
  padding-top:var(--topbar-h);
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:17px;
  font-weight:400;
  line-height:1.75;
  letter-spacing:.005em;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body.nav-open{ overflow:hidden; }

h1,h2,h3,h4,h5{
  margin:0;
  font-family:var(--font-display);
  font-weight:900;
  line-height:1.05;
  letter-spacing:-.02em;
  color:var(--ink);
}
h1{ font-size:clamp(34px,6vw,72px); }
h2{ font-size:clamp(26px,3.6vw,42px); }
h3{ font-size:clamp(20px,2.2vw,26px); }
h4{ font-size:clamp(17px,1.6vw,20px); letter-spacing:-.01em; }
p{ margin:0; }
ul,ol{ margin:0; padding:0; list-style:none; }
dl,dd,dt,figure{ margin:0; }
img,svg{ display:block; max-width:100%; }
a{ color:var(--ice); text-decoration:none; transition:color .18s var(--ease); }
a:hover{ color:var(--hot-soft); }
strong{ font-weight:800; }
small{ font-size:13px; }
button{ font:inherit; color:inherit; background:none; border:0; cursor:pointer; }
table{ border-collapse:collapse; width:100%; }

:focus-visible{
  outline:2px solid var(--lime);
  outline-offset:3px;
  border-radius:6px;
}
::selection{ background:var(--brand); color:#FFFFFF; }

::-webkit-scrollbar{ width:10px; height:10px; }
::-webkit-scrollbar-track{ background:#04060C; }
::-webkit-scrollbar-thumb{ background:#1B2946; border-radius:10px; border:2px solid #04060C; }
::-webkit-scrollbar-thumb:hover{ background:var(--brand); }

/* ---------- 3 · 头部 ---------- */
.skip-link{
  position:fixed;
  top:10px;
  left:14px;
  z-index:200;
  transform:translateY(-180%);
  display:inline-block;
  padding:10px 18px;
  border-radius:10px;
  background:var(--hot);
  color:#1A0900;
  font-size:14px;
  font-weight:800;
  letter-spacing:.02em;
  transition:transform .2s var(--ease);
}
.skip-link:focus{ transform:none; color:#1A0900; }

.site-header{
  position:fixed;
  top:0;
  left:0;
  right:0;
  z-index:90;
}

.scroll-progress{
  position:absolute;
  top:0;
  left:0;
  width:100%;
  height:2px;
  transform:scaleX(0);
  transform-origin:0 50%;
  background:linear-gradient(90deg,var(--brand),var(--ice) 55%,var(--hot));
  pointer-events:none;
}

.topbar{
  position:relative;
  z-index:3;
  display:flex;
  align-items:center;
  gap:12px;
  height:var(--topbar-h);
  padding:0 16px;
  background:rgba(5,7,15,.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line-soft);
  transition:background .24s var(--ease),border-color .24s var(--ease);
}
.site-header.is-stuck .topbar{
  background:rgba(5,7,15,.97);
  border-bottom-color:var(--line);
}

.topbar__brand{
  display:flex;
  align-items:center;
  gap:12px;
  min-width:0;
  color:var(--ink);
}
.topbar__brand:hover{ color:var(--ink); }

.topbar__mark{
  flex:none;
  display:grid;
  place-items:center;
  width:38px;
  height:38px;
  border-radius:14px 4px 14px 4px;
  background:linear-gradient(140deg,var(--brand),#0A2E6B);
  color:#FFFFFF;
  font-family:var(--font-display);
  font-weight:900;
  font-size:12px;
  line-height:1.05;
  text-align:center;
  box-shadow:0 10px 24px -14px rgba(46,123,255,.95);
}

.topbar__names{
  display:flex;
  flex-direction:column;
  min-width:0;
  line-height:1.15;
}
.topbar__names strong{
  font-family:var(--font-display);
  font-weight:900;
  font-size:17px;
  letter-spacing:-.01em;
  color:var(--ink);
  white-space:nowrap;
}
.topbar__names em{
  font-style:normal;
  font-size:12px;
  letter-spacing:.04em;
  color:var(--muted);
  white-space:nowrap;
}

.topbar__tools{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:10px;
}

.searchlaunch{
  display:none;
  align-items:center;
  gap:10px;
  height:42px;
  min-width:248px;
  padding:0 16px;
  border:1px solid var(--line);
  border-radius:12px;
  background:linear-gradient(180deg,rgba(22,33,58,.92),rgba(12,18,32,.92));
  color:var(--muted);
  font-size:14px;
  letter-spacing:.03em;
  transition:border-color .18s var(--ease),color .18s var(--ease);
}
.searchlaunch:hover{
  border-color:var(--ice);
  color:var(--ink);
}
.searchlaunch__icon{
  position:relative;
  flex:none;
  width:12px;
  height:12px;
  border:2px solid var(--ice);
  border-radius:50%;
}
.searchlaunch__icon::after{
  content:"";
  position:absolute;
  right:-5px;
  bottom:-3px;
  width:7px;
  height:2px;
  border-radius:2px;
  background:var(--ice);
  transform:rotate(45deg);
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:42px;
  padding:0 20px;
  border:1px solid transparent;
  border-radius:12px;
  font-family:var(--font-display);
  font-weight:800;
  font-size:15px;
  letter-spacing:.01em;
  white-space:nowrap;
  transition:transform .16s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.btn--hot{
  background:var(--hot);
  color:#1A0900;
  box-shadow:0 12px 28px -16px var(--hot-glow);
}
.btn--hot:hover{
  background:var(--hot-soft);
  color:#1A0900;
  transform:translateY(-1px);
}
.btn--ghost{
  border-color:var(--line);
  background:rgba(22,33,58,.6);
  color:var(--ink);
}
.btn--ghost:hover{
  border-color:var(--ice);
  color:var(--ice);
}
.btn--sm{
  height:36px;
  padding:0 14px;
  border-radius:10px;
  font-size:13.5px;
}

.nav-toggle{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:42px;
  padding:0 14px;
  border:1px solid var(--line);
  border-radius:12px;
  background:rgba(22,33,58,.7);
  color:var(--ink);
  font-size:13px;
  font-weight:700;
  letter-spacing:.06em;
  transition:border-color .18s var(--ease),color .18s var(--ease);
}
.nav-toggle:hover{ border-color:var(--ice); color:var(--ice); }
.nav-toggle__bars,
.nav-toggle__bars::before,
.nav-toggle__bars::after{
  position:relative;
  display:block;
  width:16px;
  height:2px;
  border-radius:2px;
  background:var(--ice);
  transition:transform .2s var(--ease),top .2s var(--ease),background .2s var(--ease);
}
.nav-toggle__bars::before,
.nav-toggle__bars::after{
  content:"";
  position:absolute;
  left:0;
}
.nav-toggle__bars::before{ top:-5px; }
.nav-toggle__bars::after{ top:5px; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars{ background:transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before{ top:0; transform:rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after{ top:0; transform:rotate(-45deg); }

/* 侧边轨道 / 移动抽屉 */
.rail{
  position:fixed;
  top:var(--topbar-h);
  left:0;
  right:0;
  z-index:2;
  display:grid;
  gap:12px;
  max-height:calc(100vh - var(--topbar-h));
  max-height:calc(100dvh - var(--topbar-h));
  overflow-y:auto;
  padding:14px 16px 24px;
  background:var(--panel);
  border-bottom:1px solid var(--line);
  transform:translateY(-14px);
  opacity:0;
  visibility:hidden;
  transition:transform .24s var(--ease),opacity .24s var(--ease),visibility .24s linear;
}
.rail[data-open]{
  transform:none;
  opacity:1;
  visibility:visible;
}

.rail__mark{ display:none; }

.rail__list{
  display:grid;
  gap:2px;
  width:100%;
}
.rail__link{
  display:flex;
  align-items:center;
  gap:14px;
  padding:12px 14px;
  border:1px solid transparent;
  border-radius:12px;
  color:var(--ink);
  font-family:var(--font-display);
  font-weight:700;
  font-size:16px;
  letter-spacing:.01em;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.rail__link:hover{
  background:var(--layer);
  color:var(--ice);
}
.rail__num{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--ice);
}
.rail__label{ line-height:1.2; }

.rail__link[aria-current="page"]{
  background:linear-gradient(90deg,rgba(46,123,255,.3),rgba(46,123,255,0) 82%);
  border-color:rgba(127,216,255,.35);
  color:#FFFFFF;
}
.rail__link[aria-current="page"] .rail__num{ color:var(--hot); }

.rail__meta{
  display:none;
  align-items:center;
  gap:7px;
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.14em;
  color:var(--muted);
}

.dot{
  flex:none;
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--lime);
  box-shadow:0 0 0 4px rgba(53,242,201,.16);
}
@media (prefers-reduced-motion:no-preference){
  .dot{ animation:pulse 2.6s var(--ease) infinite; }
}
@keyframes pulse{
  0%,100%{ box-shadow:0 0 0 4px rgba(53,242,201,.16); }
  50%{ box-shadow:0 0 0 10px rgba(53,242,201,0); }
}

.scrim{
  position:fixed;
  inset:0;
  z-index:1;
  background:rgba(5,7,15,.74);
  opacity:0;
  pointer-events:none;
  transition:opacity .24s var(--ease);
}
.scrim.is-on{ opacity:1; pointer-events:auto; }

/* ---------- 4 · 通用元件 ---------- */
.wrap{
  width:min(100% - 36px,1180px);
  margin-inline:auto;
}
.wrap--narrow{ width:min(100% - 36px,780px); }

.panel{
  position:relative;
  padding:clamp(20px,3.6vw,42px);
  background:var(--panel);
  border:1px solid var(--line-soft);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-panel);
}
.panel--organic{ border-radius:var(--r-organic); }
.panel--tint{ background:linear-gradient(180deg,var(--layer),var(--panel)); }
.panel--offset{ margin-inline-start:clamp(0px,5vw,72px); }

.stack{
  display:grid;
  gap:clamp(14px,2.4vw,26px);
}

.grid{
  display:grid;
  gap:clamp(14px,2vw,24px);
}

.section-head{
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  justify-content:space-between;
  gap:12px 20px;
  margin-bottom:clamp(16px,2.5vw,28px);
}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--ice);
}
.eyebrow::before{
  content:"";
  width:22px;
  height:1px;
  background:currentColor;
}

.lede{
  max-width:62ch;
  font-size:clamp(17px,1.6vw,20px);
  line-height:1.8;
  color:var(--muted);
}

.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:0 8px;
  margin-bottom:clamp(14px,2vw,22px);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
  color:var(--muted);
}
.breadcrumb li{
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.breadcrumb li::after{
  content:"/";
  color:rgba(127,216,255,.34);
}
.breadcrumb li:last-child::after{ content:none; }
.breadcrumb a{ color:var(--muted); }
.breadcrumb a:hover{ color:var(--ice); }

.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 10px;
  border:1px solid var(--line);
  border-radius:999px;
  background:rgba(22,33,58,.7);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.04em;
  color:var(--ice);
}
.tag--hot{
  border-color:rgba(255,138,61,.5);
  background:rgba(255,138,61,.1);
  color:var(--hot-soft);
}
.tag--live{
  border-color:rgba(53,242,201,.45);
  background:rgba(53,242,201,.08);
  color:var(--lime);
}

.num{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.02em;
}

.figure{
  margin:0;
  overflow:hidden;
  border:1px solid var(--line-soft);
  border-radius:var(--r-organic);
  background:linear-gradient(150deg,var(--layer),var(--panel));
}
.figure img,
.figure svg{
  width:100%;
  height:100%;
  aspect-ratio:16/9;
  object-fit:cover;
}
.figure--portrait img,
.figure--portrait svg{ aspect-ratio:4/5; }
.figure--square img,
.figure--square svg{ aspect-ratio:1/1; }
.figure--wide img,
.figure--wide svg{ aspect-ratio:21/9; }
.figure__cap{
  display:block;
  padding:12px 16px;
  border-top:1px solid var(--line-soft);
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.04em;
  color:var(--muted);
}

.rule{
  height:1px;
  border:0;
  margin:0;
  background:linear-gradient(90deg,var(--line),rgba(127,216,255,0));
}

.js [data-reveal]{
  opacity:0;
  transform:translateY(12px);
  transition:opacity .24s var(--ease),transform .24s var(--ease);
}
.js [data-reveal].is-in{
  opacity:1;
  transform:none;
}

.to-top{
  position:fixed;
  right:18px;
  bottom:calc(18px + env(safe-area-inset-bottom,0px));
  z-index:88;
  display:grid;
  place-items:center;
  width:46px;
  height:46px;
  border:1px solid var(--line);
  border-radius:16px 5px 16px 5px;
  background:rgba(12,18,32,.94);
  color:var(--ice);
  opacity:0;
  transform:translateY(10px);
  pointer-events:none;
  transition:opacity .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.to-top.is-on{
  opacity:1;
  transform:none;
  pointer-events:auto;
}
.to-top:hover{
  border-color:var(--hot);
  color:var(--hot);
}
.to-top__arrow{
  display:block;
  width:10px;
  height:10px;
  border-top:2px solid currentColor;
  border-left:2px solid currentColor;
  transform:rotate(45deg) translate(1px,1px);
}

/* ---------- 5 · 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(48px,8vw,110px);
  padding:clamp(38px,6vw,76px) 0 clamp(24px,4vw,36px);
  background:linear-gradient(180deg,var(--panel),#070A13 72%);
  border-top:1px solid var(--line);
}
.site-footer::before{
  content:"";
  position:absolute;
  top:-1px;
  left:0;
  width:min(46%,420px);
  height:3px;
  background:linear-gradient(90deg,var(--hot),rgba(255,138,61,0));
}

.footer__top{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:26px;
  padding-bottom:clamp(26px,4vw,44px);
  border-bottom:1px solid var(--line-soft);
}

.footer__wordmark{
  font-family:var(--font-display);
  font-weight:900;
  font-size:clamp(22px,3vw,30px);
  letter-spacing:-.02em;
  line-height:1.1;
  color:var(--ink);
}
.footer__wordmark span{
  margin-left:8px;
  font-size:.6em;
  font-weight:500;
  letter-spacing:.06em;
  color:var(--ice);
}
.footer__intro{
  margin-top:14px;
  max-width:52ch;
  font-size:15px;
  line-height:1.8;
  color:var(--muted);
}

.footer__col-title{
  margin-bottom:14px;
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:700;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--ice);
}

.footer__contact-list li{
  padding:7px 0;
  border-bottom:1px dashed var(--line-soft);
  font-family:var(--font-mono);
  font-size:13.5px;
  line-height:1.7;
  color:var(--ink);
  word-break:break-all;
}
.footer__contact-list li:last-child{ border-bottom:0; }
.footer__label{
  display:block;
  font-family:var(--font-body);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--muted);
}

.footer__grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:28px;
  padding:clamp(26px,4vw,40px) 0;
}
.footer__col{ min-width:0; }

.footer__links{
  display:grid;
  gap:10px;
}
.footer__links a{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-size:14.5px;
  color:var(--muted);
  transition:color .18s var(--ease),transform .18s var(--ease);
}
.footer__links a::before{
  content:"";
  flex:none;
  width:5px;
  height:5px;
  border:1px solid var(--ice);
  border-radius:50%;
  background:var(--layer);
  transition:background .18s var(--ease),border-color .18s var(--ease);
}
.footer__links a:hover{
  color:var(--ink);
  transform:translateX(3px);
}
.footer__links a:hover::before{
  background:var(--hot);
  border-color:var(--hot);
}

.footer__legal{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px 22px;
  padding-top:20px;
  border-top:1px solid var(--line-soft);
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:.02em;
  color:var(--muted);
}
.footer__filing{ color:rgba(159,176,200,.75); }

/* ---------- 6 · 断点与偏好 ---------- */
@media (min-width:560px){
  .footer__grid{ grid-template-columns:repeat(3,minmax(0,1fr)); }
}

@media (min-width:768px){
  .wrap{ width:min(100% - 64px,1180px); }
  .wrap--narrow{ width:min(100% - 64px,780px); }
  .searchlaunch{ display:inline-flex; }
  .topbar__names strong{ font-size:19px; }
  .footer__top{ grid-template-columns:minmax(0,1.4fr) minmax(0,1fr); gap:48px; }
}

@media (min-width:900px){
  .grid--5-7{ grid-template-columns:minmax(0,5fr) minmax(0,7fr); }
  .grid--7-5{ grid-template-columns:minmax(0,7fr) minmax(0,5fr); }
  .grid--4-8{ grid-template-columns:minmax(0,4fr) minmax(0,8fr); }
  .grid--3-6-3{ grid-template-columns:minmax(0,3fr) minmax(0,6fr) minmax(0,3fr); }
}

@media (min-width:1024px){
  body{ padding-left:var(--rail-w); }

  .topbar{
    padding-left:calc(var(--rail-w) + 30px);
    padding-right:34px;
  }

  .nav-toggle{ display:none; }
  .scrim{ display:none; }

  .rail{
    top:0;
    bottom:0;
    right:auto;
    width:var(--rail-w);
    max-height:none;
    overflow:visible;
    display:flex;
    flex-direction:column;
    align-items:center;
    gap:18px;
    padding:18px 0 20px;
    border-bottom:0;
    border-right:1px solid var(--line-soft);
    background:linear-gradient(180deg,#070B16,var(--bg) 64%);
    transform:none;
    opacity:1;
    visibility:visible;
  }

  .rail__mark{
    flex:none;
    display:grid;
    place-items:center;
    width:42px;
    height:42px;
    border-radius:16px 4px 16px 4px;
    background:linear-gradient(150deg,var(--brand),#0A2E6B);
    color:#FFFFFF;
    font-family:var(--font-display);
    font-size:12px;
    font-weight:900;
    line-height:1.05;
    text-align:center;
    box-shadow:0 10px 26px -14px rgba(46,123,255,.95);
  }

  .rail__list{
    gap:6px;
    width:100%;
    padding:0 8px;
  }
  .rail__link{
    flex-direction:column;
    justify-content:center;
    gap:4px;
    padding:12px 4px;
    border-radius:12px 4px 12px 4px;
    font-size:13px;
    text-align:center;
  }
  .rail__num{ font-size:10px; }
  .rail__link[aria-current="page"]{
    background:linear-gradient(180deg,rgba(255,138,61,.22),rgba(46,123,255,.2));
    border-color:rgba(255,138,61,.45);
    color:#FFFFFF;
  }
  .rail__link[aria-current="page"] .rail__num{ color:var(--hot); }

  .rail__meta{
    display:flex;
    flex-direction:column;
    align-items:center;
    gap:7px;
    margin-top:auto;
    text-align:center;
  }

  .stack > *:nth-child(even){ margin-inline-start:clamp(16px,4vw,64px); }

  .to-top{ right:26px; bottom:26px; }
}

@media (max-width:560px){
  .topbar__names em{ display:none; }
  .topbar__names strong{ font-size:15px; }
  .topbar__mark{ width:34px; height:34px; font-size:11px; }
  .btn{ height:38px; padding:0 13px; font-size:13.5px; }
  .nav-toggle{ height:38px; padding:0 11px; }
  .nav-toggle__text{ display:none; }
}

@media (max-width:400px){
  .wrap,.wrap--narrow{ width:min(100% - 26px,1180px); }
  .topbar{ padding:0 12px; gap:8px; }
  .searchlaunch{ min-width:0; }
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  html{ scroll-behavior:auto; }
  .js [data-reveal]{ opacity:1; transform:none; }
  .rail{ transition:none; }
}