/* ============================================================
   冠军希洪竞技 — 共享站点样式 /assets/site.css
   红白条纹基因 · 比分牌数字 · 切角面板 · 数据底衬
   ============================================================ */

:root{
  --red:#D7192D;
  --red-dark:#9E0F1F;
  --paper:#F7F5F2;
  --white:#FFFFFF;
  --navy:#0B1B33;
  --ink:#06101F;
  --green:#3FA34D;
  --line:#D9D6D0;
  --gray:#8A8580;
  --cream:#FFF4F2;

  --font-display:"Barlow Condensed","Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --font-body:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:"IBM Plex Mono","Roboto Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --font-serif:"Noto Serif SC","Songti SC","Source Han Serif SC",Georgia,serif;

  --header-h:76px;
  --shell:1280px;
  --gap:24px;
  --cut:2px 14px 2px 14px;
  --cut-lg:2px 18px 2px 18px;
  --shadow-card:0 18px 40px rgba(6,16,31,.18);
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box}

html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:calc(var(--header-h) + 16px);
}

body{
  margin:0;
  padding-top:var(--header-h);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.7;
  color:var(--navy);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

img,svg,video{max-width:100%}
img{display:block;height:auto}
[hidden]{display:none !important}

h1,h2,h3,h4,h5,h6{
  margin:0 0 .6em;
  font-family:var(--font-display);
  font-weight:800;
  line-height:1.14;
  letter-spacing:.01em;
  color:var(--navy);
  text-wrap:balance;
}
h1{font-size:clamp(2.1rem,5vw,4rem)}
h2{font-size:clamp(1.55rem,3.2vw,2.45rem)}
h3{font-size:clamp(1.18rem,2vw,1.6rem)}
h4{font-size:1.05rem}

p{margin:0 0 1em;text-wrap:pretty}
ul,ol{margin:0 0 1em;padding-left:1.25em}
li{margin-bottom:.45em}

a{color:var(--red);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--red-dark)}

strong,b{font-weight:700}
hr{border:0;height:1px;background:var(--line);margin:36px 0}

a:focus-visible,
button:focus-visible,
[tabindex]:focus-visible,
summary:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible{
  outline:3px solid var(--green);
  outline-offset:3px;
}

/* ---------- 布局基元 ---------- */

.shell{
  width:100%;
  max-width:var(--shell);
  margin-inline:auto;
  padding-inline:24px;
}

.section{padding-block:clamp(48px,7vw,96px)}
.section--tight{padding-block:clamp(32px,4vw,56px)}
.section--navy{background:var(--navy);color:var(--cream)}
.section--navy h1,
.section--navy h2,
.section--navy h3,
.section--navy h4{color:var(--white)}

.grid{display:grid;gap:var(--gap)}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}

.stripe-band{
  height:8px;
  background-image:repeating-linear-gradient(90deg,var(--red) 0 20px,var(--paper) 20px 40px);
}
.section--navy .stripe-band,
.stripe-band--dark{
  background-image:repeating-linear-gradient(90deg,var(--red) 0 20px,var(--navy) 20px 40px);
}

.rule{height:1px;background:var(--line);border:0;margin:0}

/* ---------- 文字组件 ---------- */

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  margin:0 0 14px;
  font-family:var(--font-serif);
  font-size:13px;
  font-weight:600;
  letter-spacing:.18em;
  color:var(--red);
}
.eyebrow::before{
  content:"";
  width:26px;
  height:3px;
  background:var(--red);
  transform:skewX(-22deg);
}
.eyebrow--light{color:var(--cream)}
.eyebrow--light::before{background:var(--green)}

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

.score{
  font-family:var(--font-mono);
  font-weight:700;
  line-height:.9;
  letter-spacing:-.035em;
  font-variant-numeric:tabular-nums;
}

.prose{max-width:68ch;font-size:17px;line-height:1.85}
.prose h2{margin-top:2em}
.prose h3{margin-top:1.6em}
.prose ul,.prose ol{padding-left:1.3em}

.sr-only{
  position:absolute;
  width:1px;height:1px;
  padding:0;margin:-1px;
  overflow:hidden;
  clip:rect(0 0 0 0);
  clip-path:inset(50%);
  white-space:nowrap;
  border:0;
}

/* ---------- 按钮 ---------- */

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 22px;
  min-height:46px;
  font-family:var(--font-display);
  font-size:16px;
  font-weight:800;
  letter-spacing:.03em;
  text-decoration:none;
  color:var(--white);
  background:var(--red);
  border:1px solid transparent;
  border-radius:var(--cut);
  cursor:pointer;
  transition:background-color .18s var(--ease),color .18s var(--ease),
             border-color .18s var(--ease),transform .18s var(--ease);
}
.btn:hover{background:var(--red-dark);color:var(--white)}
.btn:active{transform:translateY(1px)}
.btn--sm{min-height:40px;padding:8px 16px;font-size:14px}
.btn--primary{background:var(--red);color:var(--white)}
.btn--primary:hover{background:var(--red-dark);color:var(--white)}
.btn--ghost{
  background:rgba(255,244,242,.07);
  color:var(--cream);
  border-color:rgba(255,244,242,.34);
}
.btn--ghost:hover{
  background:rgba(255,244,242,.18);
  color:var(--white);
  border-color:rgba(255,244,242,.62);
}

/* ---------- 主题筛选协议 ---------- */

.filter-btn{
  display:inline-flex;
  align-items:center;
  gap:9px;
  min-height:40px;
  padding:8px 16px;
  font-family:var(--font-body);
  font-size:14px;
  font-weight:600;
  letter-spacing:.02em;
  color:var(--navy);
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--cut);
  cursor:pointer;
  transition:background-color .18s var(--ease),color .18s var(--ease),
             border-color .18s var(--ease);
}
.filter-btn::before{
  content:"";
  width:8px;height:8px;
  border-radius:50%;
  background:var(--line);
  transition:background-color .18s var(--ease),transform .18s var(--ease);
}
.filter-btn:hover{border-color:var(--red);color:var(--red-dark)}
.filter-btn[aria-pressed="true"]{
  background:var(--navy);
  color:var(--white);
  border-color:var(--navy);
}
.filter-btn[aria-pressed="true"]::before{
  background:var(--green);
  transform:scale(1.25);
}

/* ---------- 卡片 ---------- */

.card{
  position:relative;
  padding:24px;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--cut-lg);
  box-shadow:var(--shadow-card);
}
.card--cut{
  border-radius:0;
  border:0;
  clip-path:polygon(0 0,calc(100% - 22px) 0,100% 22px,100% 100%,22px 100%,0 calc(100% - 22px));
}
.card--striped::before{
  content:"";
  position:absolute;
  inset:0 0 auto 0;
  height:6px;
  background-image:repeating-linear-gradient(90deg,var(--red) 0 14px,var(--white) 14px 28px);
  border-radius:var(--cut-lg) var(--cut-lg) 0 0;
}

/* ---------- 图片容器基础规则 ---------- */

.media{
  position:relative;
  display:block;
  overflow:hidden;
  border-radius:var(--cut-lg);
  aspect-ratio:16/9;
  background:
    radial-gradient(120% 130% at 0% 0%,rgba(215,25,45,.38),transparent 62%),
    radial-gradient(120% 130% at 100% 100%,rgba(63,163,77,.22),transparent 60%),
    linear-gradient(135deg,var(--navy),var(--ink));
  isolation:isolate;
}
.media > img,
.media > picture,
.media > video,
.media > svg{
  display:block;
  width:100%;
  height:100%;
  object-fit:cover;
}
.media--wide{aspect-ratio:21/9}
.media--square{aspect-ratio:1/1}
.media--portrait{aspect-ratio:3/4}
.media--stripes::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background-image:repeating-linear-gradient(96deg,rgba(215,25,45,.28) 0 3px,transparent 3px 11px);
  mix-blend-mode:screen;
  opacity:.6;
}
.media-caption{
  margin-top:10px;
  font-family:var(--font-serif);
  font-size:13px;
  line-height:1.6;
  color:var(--gray);
}

/* ---------- 面包屑 ---------- */

.breadcrumb{margin:0 0 22px}
.breadcrumb ol{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  margin:0;
  padding:0;
  list-style:none;
  font-size:13px;
}
.breadcrumb li{
  display:flex;
  align-items:center;
  gap:8px;
  margin:0;
  color:var(--gray);
}
.breadcrumb li:not(:last-child)::after{
  content:"›";
  color:var(--line);
  font-size:15px;
  line-height:1;
}
.breadcrumb a{
  color:var(--gray);
  text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color .18s var(--ease),border-color .18s var(--ease);
}
.breadcrumb a:hover{color:var(--red);border-bottom-color:var(--red)}
.breadcrumb [aria-current="page"]{color:var(--navy);font-weight:600}

/* ============================================================
   页头
   ============================================================ */

.skip-link{
  position:fixed;
  top:-120px;
  left:16px;
  z-index:300;
  display:inline-block;
  padding:12px 20px;
  background:var(--red);
  color:var(--white);
  font-family:var(--font-display);
  font-size:15px;
  font-weight:800;
  letter-spacing:.04em;
  text-decoration:none;
  border-radius:0 0 12px 0;
  transition:top .2s var(--ease);
}
.skip-link:focus{top:0;color:var(--white)}

.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:120;
  color:var(--cream);
  background:linear-gradient(180deg,rgba(6,16,31,.86) 0%,rgba(6,16,31,.46) 64%,rgba(6,16,31,0) 100%);
  transition:background .2s var(--ease),box-shadow .2s var(--ease);
}
.site-header[data-scrolled="true"]{
  background:var(--navy);
  box-shadow:0 16px 34px rgba(6,16,31,.34);
}

.header-inner{
  position:relative;
  display:flex;
  align-items:center;
  gap:20px;
  min-height:var(--header-h);
  padding-block:10px;
}

/* 品牌 */
.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
  color:var(--cream);
  text-decoration:none;
}
.brand:hover{color:var(--white)}

.brand-mark{
  display:flex;
  gap:3px;
  width:28px;
  height:30px;
  transform:skewX(-10deg);
  flex-shrink:0;
}
.brand-mark span{
  display:block;
  flex:1;
  background:var(--white);
  border-radius:1px;
}
.brand-mark span:nth-child(1){background:var(--red)}
.brand-mark span:nth-child(3){background:rgba(255,244,242,.42)}

.brand-text{
  display:flex;
  flex-direction:column;
  line-height:1.06;
}
.brand-name{
  font-family:var(--font-display);
  font-size:20px;
  font-weight:800;
  letter-spacing:.045em;
  transform:skewX(-3deg);
  color:inherit;
}
.brand-tag{
  margin-top:3px;
  font-family:var(--font-serif);
  font-size:11px;
  letter-spacing:.22em;
  color:rgba(255,244,242,.62);
}

/* 移动菜单按钮 */
.nav-toggle{
  display:none;
  align-items:center;
  gap:10px;
  margin-left:auto;
  padding:9px 14px;
  min-height:44px;
  font-family:var(--font-body);
  font-size:14px;
  font-weight:600;
  letter-spacing:.08em;
  color:var(--cream);
  background:rgba(255,244,242,.1);
  border:1px solid rgba(255,244,242,.3);
  border-radius:var(--cut);
  cursor:pointer;
  position:relative;
  z-index:140;
  transition:background-color .18s var(--ease),border-color .18s var(--ease);
}
.nav-toggle:hover{background:rgba(255,244,242,.2);border-color:rgba(255,244,242,.55)}
.nav-toggle-icon{
  position:relative;
  display:block;
  width:18px;
  height:12px;
}
.nav-toggle-icon span{
  position:absolute;
  left:0;
  width:100%;
  height:2px;
  background:currentColor;
  border-radius:2px;
  transition:transform .24s var(--ease),opacity .18s var(--ease),top .24s var(--ease);
}
.nav-toggle-icon span:nth-child(1){top:0}
.nav-toggle-icon span:nth-child(2){top:5px}
.nav-toggle-icon span:nth-child(3){top:10px}
.nav-toggle[aria-expanded="true"] .nav-toggle-icon span:nth-child(1){top:5px;transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle-icon span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle-icon span:nth-child(3){top:5px;transform:rotate(-45deg)}

/* 导航 */
.site-nav{
  display:flex;
  align-items:center;
  gap:8px;
  margin-left:auto;
}
.nav-list{
  display:flex;
  align-items:center;
  gap:2px;
  margin:0;
  padding:0;
  list-style:none;
}
.nav-list li{margin:0}
.nav-list a{
  position:relative;
  display:block;
  padding:12px 14px;
  font-size:15px;
  font-weight:500;
  letter-spacing:.03em;
  color:rgba(255,244,242,.82);
  text-decoration:none;
  transition:color .18s var(--ease);
}
.nav-list a::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:6px;
  height:2px;
  background:var(--red);
  transform:scaleX(0);
  transform-origin:0 50%;
  transition:transform .22s var(--ease),background-color .18s var(--ease);
}
.nav-list a:hover{color:var(--white)}
.nav-list a:hover::after{transform:scaleX(1)}
.nav-list a[aria-current="page"]{color:var(--white);font-weight:700}
.nav-list a[aria-current="page"]::after{transform:scaleX(1);background:var(--green)}

.nav-actions{
  display:flex;
  align-items:center;
  gap:10px;
  margin-left:16px;
  padding-left:16px;
  border-left:1px solid rgba(255,244,242,.16);
}

/* 遮罩 */
.nav-scrim{display:none}

/* 滚动进度条 */
.scroll-meter{
  position:absolute;
  left:0;right:0;bottom:0;
  height:2px;
  background:rgba(255,244,242,.14);
  overflow:hidden;
}
.scroll-meter-fill{
  display:block;
  width:100%;
  height:100%;
  transform:scaleX(0);
  transform-origin:0 50%;
  background:linear-gradient(90deg,var(--red) 0%,var(--red) 58%,var(--green) 100%);
  transition:transform .12s linear;
}

/* ============================================================
   页脚
   ============================================================ */

.site-footer{
  position:relative;
  background:var(--ink);
  color:rgba(255,244,242,.72);
  overflow:hidden;
}

.footer-band{
  height:10px;
  background-image:repeating-linear-gradient(105deg,var(--red) 0 16px,var(--navy) 16px 32px);
}

.footer-inner{padding-block:clamp(40px,6vw,72px) 0}

.footer-top{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1.55fr);
  gap:clamp(32px,5vw,72px);
  align-items:start;
}

.footer-brand-name{
  margin:0 0 10px;
  font-family:var(--font-display);
  font-size:clamp(1.4rem,2.4vw,1.95rem);
  font-weight:800;
  letter-spacing:.035em;
  color:var(--white);
  transform:skewX(-3deg);
}
.footer-note{
  max-width:34ch;
  margin:0 0 22px;
  font-size:15px;
  line-height:1.75;
  color:rgba(255,244,242,.62);
}

.footer-cols{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:clamp(20px,3vw,40px);
}
.footer-col-title{
  margin:0 0 14px;
  font-family:var(--font-serif);
  font-size:13px;
  font-weight:600;
  letter-spacing:.16em;
  color:var(--green);
}
.footer-links{
  display:grid;
  gap:10px;
  margin:0;
  padding:0;
  list-style:none;
}
.footer-links li{margin:0}
.footer-links a{
  display:inline-block;
  padding-bottom:2px;
  font-size:15px;
  color:rgba(255,244,242,.74);
  text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color .18s var(--ease),border-color .18s var(--ease);
}
.footer-links a:hover{
  color:var(--white);
  border-bottom-color:var(--red);
}

.footer-export{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:14px 24px;
  margin-top:clamp(32px,5vw,56px);
  padding:22px 24px;
  background:linear-gradient(100deg,rgba(215,25,45,.24),rgba(215,25,45,.06) 62%,rgba(63,163,77,.12));
  border:1px solid rgba(215,25,45,.42);
  border-radius:var(--cut-lg);
}
.footer-export-step{
  flex-shrink:0;
  margin:0;
  padding:4px 10px;
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:700;
  letter-spacing:.16em;
  color:var(--green);
  border:1px solid rgba(63,163,77,.5);
  border-radius:2px 8px 2px 8px;
}
.footer-export-desc{
  flex:1 1 260px;
  margin:0;
  font-size:15px;
  line-height:1.7;
  color:rgba(255,244,242,.78);
}
.footer-export-desc strong{color:var(--white);font-weight:700}

.footer-contact{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  gap:10px 28px;
  margin-top:clamp(28px,4vw,44px);
  padding-top:clamp(24px,3vw,32px);
  border-top:1px solid rgba(255,244,242,.14);
}
.footer-contact-line{
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  gap:10px;
  margin:0;
  font-size:14px;
  color:rgba(255,244,242,.64);
}
.footer-contact-key{
  flex-shrink:0;
  font-family:var(--font-serif);
  font-size:12px;
  letter-spacing:.14em;
  color:var(--green);
}

.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:8px 24px;
  margin-top:clamp(24px,4vw,40px);
  padding:20px 0 28px;
  border-top:1px solid rgba(255,244,242,.14);
  font-size:13px;
  color:rgba(255,244,242,.5);
}
.footer-copy,.footer-icp{margin:0}
.footer-icp{
  font-family:var(--font-mono);
  letter-spacing:.02em;
}

/* ============================================================
   响应式
   ============================================================ */

@media (max-width:1080px){
  .nav-toggle{display:inline-flex}

  .site-nav{
    position:fixed;
    top:0;right:0;bottom:0;
    z-index:130;
    width:min(88vw,360px);
    margin:0;
    padding:calc(var(--header-h) + 20px) 24px 32px;
    display:flex;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    background:var(--ink);
    box-shadow:-24px 0 60px rgba(6,16,31,.5);
    transform:translateX(102%);
    transition:transform .3s var(--ease);
    overflow-y:auto;
    overscroll-behavior:contain;
  }
  .site-nav[data-open="true"]{transform:translateX(0)}

  .nav-list{
    flex-direction:column;
    align-items:stretch;
    gap:0;
    width:100%;
  }
  .nav-list li{border-bottom:1px solid rgba(255,244,242,.1)}
  .nav-list a{padding:16px 4px;font-size:17px}
  .nav-list a::after{left:4px;right:auto;width:24px;bottom:10px}

  .nav-actions{
    flex-direction:column;
    align-items:stretch;
    gap:12px;
    margin:26px 0 0;
    padding:0;
    border-left:0;
  }
  .nav-actions .btn{width:100%}

  .nav-scrim{
    display:block;
    position:fixed;
    inset:0;
    z-index:110;
    background:rgba(6,16,31,.62);
    opacity:0;
    pointer-events:none;
    transition:opacity .26s var(--ease);
  }
  .site-header[data-nav-open="true"] .nav-scrim{
    opacity:1;
    pointer-events:auto;
  }

  body.is-nav-open{overflow:hidden}
}

@media (max-width:900px){
  :root{--header-h:64px}
  body{font-size:16px}

  .footer-top{grid-template-columns:1fr}
  .grid--3,.grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}
}

@media (max-width:640px){
  .shell{padding-inline:16px}
  .grid--2,.grid--3,.grid--4{grid-template-columns:1fr}
  .footer-cols{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-export{padding:18px}
  .footer-export .btn{width:100%}
  .card{padding:20px}
}

@media (max-width:400px){
  .brand-name{font-size:17px}
  .brand-tag{display:none}
  .footer-cols{grid-template-columns:1fr}
}

/* ============================================================
   动效降级
   ============================================================ */

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    transition-delay:0ms !important;
  }
}