/* =========================================================
   KAIYUN看台 · 共享样式 /assets/site.css
   夜场看台 × 战报编辑部
   ========================================================= */

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:130px}
body,h1,h2,h3,h4,p,ul,ol,figure,blockquote,fieldset{margin:0}
ul,ol{padding:0;list-style:none}
img,svg,video{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
a{color:inherit;text-decoration:none}
table{border-collapse:collapse;width:100%}

:root{
  --ink:#0B0F0D;
  --pitch:#0F3B2E;
  --pitch-2:#175744;
  --orange:#FF6A1A;
  --yellow:#F5D547;
  --cyan:#6FB7C8;
  --chalk:#F4F1E8;
  --concrete:#2A302D;
  --moss:#9FB8A8;
  --alert:#E5533D;

  --line:rgba(159,184,168,.22);
  --line-soft:rgba(159,184,168,.14);
  --line-strong:rgba(159,184,168,.42);

  --font-display:"HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --font-body:"Noto Sans SC","Source Han Sans SC",system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  --font-mono:"DIN Condensed","Roboto Mono","JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;

  --radius-xl:26px;
  --radius-lg:20px;
  --radius-pill:999px;

  --shell:1280px;
  --pad:clamp(16px,4vw,48px);
  --header-h:118px;
}

/* ---------- 基础排版 ---------- */
body{
  font-family:var(--font-body);
  font-size:clamp(15px,1.05vw,16.5px);
  line-height:1.75;
  letter-spacing:.01em;
  color:var(--chalk);
  background:
    radial-gradient(120% 62% at 50% -12%,rgba(23,87,68,.58),transparent 62%),
    radial-gradient(90% 48% at 102% 4%,rgba(111,183,200,.09),transparent 70%),
    radial-gradient(70% 40% at -6% 22%,rgba(255,106,26,.06),transparent 68%),
    var(--ink);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
::selection{background:var(--orange);color:var(--ink)}

h1,h2,h3,h4{font-family:var(--font-display);font-weight:900;line-height:1.15;letter-spacing:-.02em}
strong{font-weight:700;color:var(--chalk)}

:focus-visible{outline:2px solid var(--yellow);outline-offset:3px;border-radius:6px}

/* ---------- 布局基元 ---------- */
.shell{
  width:100%;
  max-width:var(--shell);
  margin-inline:auto;
  padding-inline:var(--pad);
}

.section{padding-block:clamp(38px,6vw,84px)}
.section__head{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:18px;
  flex-wrap:wrap;
  margin-bottom:clamp(20px,3vw,34px);
}
.section__title{
  font-family:var(--font-display);
  font-weight:900;
  font-size:clamp(26px,3.4vw,40px);
  letter-spacing:-.03em;
}

.rule{height:1px;border:0;background:var(--line);margin-block:clamp(26px,4vw,48px)}
.tick-rail{
  height:10px;
  background:
    repeating-linear-gradient(90deg,rgba(159,184,168,.45) 0 1px,transparent 1px 13px),
    linear-gradient(90deg,rgba(255,106,26,.28),rgba(15,59,46,.18));
}

/* ---------- 跳至主要内容 ---------- */
.skip-link{
  position:fixed;
  top:10px;
  left:10px;
  z-index:300;
  padding:11px 20px;
  border-radius:var(--radius-pill);
  background:var(--yellow);
  color:var(--ink);
  font-size:14px;
  font-weight:700;
  letter-spacing:.04em;
  transform:translateY(-180%);
  transition:transform .2s ease;
}
.skip-link:focus{transform:translateY(0)}

/* =========================================================
   刊头 / 导航
   ========================================================= */
.masthead{
  position:sticky;
  top:0;
  z-index:120;
  background:linear-gradient(180deg,rgba(15,59,46,.96),rgba(11,15,13,.97));
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.masthead__rail{
  height:8px;
  background:
    repeating-linear-gradient(90deg,rgba(255,106,26,.8) 0 2px,transparent 2px 19px),
    linear-gradient(90deg,rgba(11,15,13,.9),rgba(15,59,46,.9));
  border-bottom:1px solid var(--line-soft);
}
.masthead__inner{
  display:grid;
  grid-template-columns:auto minmax(0,1fr) auto;
  align-items:center;
  gap:clamp(14px,2.4vw,32px);
  padding-block:14px;
  transition:padding .24s ease;
}
.masthead__brand{
  display:flex;
  flex-direction:column;
  gap:3px;
  padding-right:8px;
}
.masthead__kicker{
  font-family:var(--font-mono);
  font-size:10.5px;
  letter-spacing:.32em;
  color:var(--moss);
  text-transform:uppercase;
}
.masthead__wordmark{
  font-family:var(--font-display);
  font-weight:900;
  font-size:clamp(21px,2.3vw,29px);
  line-height:1;
  letter-spacing:-.03em;
  color:var(--chalk);
}
.masthead__wordmark-accent{color:var(--orange);letter-spacing:.01em}
.masthead__tagline{
  justify-self:center;
  display:flex;
  align-items:center;
  gap:14px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.3em;
  color:var(--moss);
  white-space:nowrap;
  transition:opacity .24s ease;
}
.masthead__tagline::before,
.masthead__tagline::after{
  content:"";
  width:clamp(20px,6vw,72px);
  height:1px;
  background:var(--line-strong);
}
.masthead__utility{
  display:flex;
  align-items:center;
  gap:10px;
  justify-self:end;
}

/* 联赛快切 */
.league-switch{
  display:inline-flex;
  align-items:center;
  gap:2px;
  padding:3px;
  border:1px solid var(--line-strong);
  border-radius:var(--radius-pill);
  background:rgba(11,15,13,.55);
}
.league-switch__btn{
  padding:6px 13px;
  border-radius:var(--radius-pill);
  font-size:12.5px;
  letter-spacing:.06em;
  color:var(--moss);
  transition:background .2s ease,color .2s ease,font-weight .2s ease;
}
.league-switch__btn:hover{color:var(--chalk)}
.league-switch__btn.is-active{
  background:var(--orange);
  color:var(--ink);
  font-weight:700;
}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:11px 20px;
  border:1px solid transparent;
  border-radius:var(--radius-pill);
  font-size:14px;
  font-weight:700;
  letter-spacing:.04em;
  white-space:nowrap;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.btn:hover{transform:translateY(-1px)}
.btn--solid{background:var(--orange);color:var(--ink)}
.btn--solid:hover{background:#ff8340}
.btn--ghost{border-color:var(--line-strong);color:var(--chalk)}
.btn--ghost:hover{border-color:var(--yellow);color:var(--yellow)}
.btn--quiet{background:rgba(159,184,168,.14);color:var(--chalk)}
.btn--quiet:hover{background:rgba(159,184,168,.24)}
.masthead__cta{padding:9px 16px;font-size:13px}

/* 移动端菜单按钮 */
.nav-toggle{
  display:none;
  align-items:center;
  gap:9px;
  padding:9px 14px;
  border:1px solid var(--line-strong);
  border-radius:var(--radius-pill);
  font-size:13px;
  letter-spacing:.08em;
  color:var(--chalk);
  transition:border-color .2s ease,color .2s ease;
}
.nav-toggle:hover{border-color:var(--orange);color:var(--orange)}
.nav-toggle__bars{display:grid;gap:4px;width:16px}
.nav-toggle__bars i{
  display:block;
  height:1.5px;
  border-radius:2px;
  background:currentColor;
  transition:transform .2s ease,opacity .2s ease;
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(1){transform:translateY(5.5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(3){transform:translateY(-5.5px) rotate(-45deg)}

/* 栏目导航 */
.site-nav{
  border-top:1px solid var(--line-soft);
  background:linear-gradient(180deg,rgba(11,15,13,.3),rgba(11,15,13,.72));
}
.site-nav__list{
  display:flex;
  justify-content:center;
  flex-wrap:wrap;
  gap:2px;
  max-width:var(--shell);
  margin-inline:auto;
  padding-inline:var(--pad);
}
.site-nav__link{
  display:inline-flex;
  align-items:baseline;
  gap:7px;
  padding:12px 15px;
  border-bottom:2px solid transparent;
  font-size:14.5px;
  color:var(--moss);
  transition:color .2s ease,border-color .2s ease,padding .24s ease;
}
.site-nav__link:hover{color:var(--chalk);border-bottom-color:rgba(255,106,26,.65)}
.site-nav__link[aria-current="page"]{
  color:var(--chalk);
  font-weight:700;
  border-bottom-color:var(--orange);
}
.site-nav__idx{
  font-family:var(--font-mono);
  font-size:10.5px;
  letter-spacing:.1em;
  color:rgba(159,184,168,.7);
}
.site-nav__link[aria-current="page"] .site-nav__idx{color:var(--orange)}

/* 滚动收窄态 */
.masthead[data-stuck] .masthead__tagline{opacity:0}
.masthead[data-stuck] .masthead__inner{padding-block:8px}
.masthead[data-stuck] .site-nav__link{padding-block:9px}
.masthead[data-stuck] .site-nav__idx{opacity:.6}

/* =========================================================
   页脚
   ========================================================= */
.stadium-footer{
  position:relative;
  margin-top:clamp(56px,9vw,120px);
  background:
    radial-gradient(90% 70% at 50% 0%,rgba(23,87,68,.5),transparent 64%),
    linear-gradient(180deg,rgba(15,59,46,.35),rgba(11,15,13,1) 46%);
  border-top:1px solid var(--line);
  overflow:hidden;
}
.stadium-footer__top{padding-top:clamp(36px,6vw,72px)}
.stadium-footer__brandline{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:clamp(18px,4vw,48px);
  flex-wrap:wrap;
}
.stadium-footer__wordmark{
  font-family:var(--font-display);
  font-weight:900;
  font-size:clamp(42px,8.5vw,96px);
  line-height:.82;
  letter-spacing:-.04em;
  color:rgba(159,184,168,.16);
}
@supports (-webkit-text-stroke:1px #000){
  .stadium-footer__wordmark{color:transparent;-webkit-text-stroke:1px rgba(159,184,168,.45)}
  .stadium-footer__wordmark span{color:var(--orange);-webkit-text-stroke:0}
}
.stadium-footer__summary{
  max-width:36ch;
  font-size:14px;
  line-height:1.85;
  color:var(--moss);
  border-left:2px solid rgba(255,106,26,.6);
  padding-left:16px;
}
.stadium-footer__grid{
  display:grid;
  grid-template-columns:1.1fr 1fr 1.25fr 1.1fr;
  gap:clamp(20px,3vw,42px);
  margin-top:clamp(26px,4vw,46px);
  padding-block:clamp(28px,4vw,54px);
  border-top:1px solid var(--line-soft);
}
.stadium-footer__col-title{
  font-family:var(--font-mono);
  font-size:11.5px;
  font-weight:700;
  letter-spacing:.28em;
  color:var(--yellow);
  margin-bottom:16px;
}
.stadium-footer__links{display:grid;gap:2px}
.stadium-footer__link{
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding-block:5px;
  font-size:14px;
  color:var(--moss);
  transition:color .18s ease,transform .18s ease;
}
.stadium-footer__link::before{
  content:"";
  width:6px;
  height:6px;
  border-radius:2px;
  background:rgba(159,184,168,.45);
  transition:background .18s ease;
}
.stadium-footer__link:hover{color:var(--chalk);transform:translateX(2px)}
.stadium-footer__link:hover::before{background:var(--orange)}
.stadium-footer__contact{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
}
.stadium-footer__contact .stadium-footer__link{font-family:var(--font-mono);font-size:13.5px}
.stadium-footer__note{
  font-size:13px;
  line-height:1.7;
  color:rgba(159,184,168,.88);
  padding-block:3px;
}
.copy-btn{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 11px;
  border:1px solid var(--line-strong);
  border-radius:var(--radius-pill);
  font-size:11.5px;
  letter-spacing:.1em;
  color:var(--moss);
  transition:color .18s ease,border-color .18s ease,background .18s ease;
}
.copy-btn:hover{color:var(--orange);border-color:var(--orange);background:rgba(255,106,26,.08)}
.copy-feedback{
  min-height:1.2em;
  margin-top:8px;
  font-size:12px;
  letter-spacing:.04em;
  color:var(--yellow);
}
.stadium-footer__bottom{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:14px;
  flex-wrap:wrap;
  padding-block:22px;
  border-top:1px solid var(--line-soft);
  font-size:12.5px;
  color:rgba(159,184,168,.85);
}

/* =========================================================
   页面通用骨架与基础组件
   ========================================================= */
.page-head{
  padding-block:clamp(30px,5vw,64px) clamp(18px,3vw,30px);
  border-bottom:1px solid var(--line-soft);
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.26em;
  text-transform:uppercase;
  color:var(--orange);
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--orange)}
.page-title{
  margin-block:16px 14px;
  font-family:var(--font-display);
  font-weight:900;
  font-size:clamp(38px,6vw,72px);
  line-height:.98;
  letter-spacing:-.035em;
}
.lede{
  max-width:56ch;
  font-size:clamp(15px,1.4vw,17px);
  line-height:1.85;
  color:var(--moss);
}

.breadcrumb{
  padding-block:16px;
  font-size:12.5px;
  color:rgba(159,184,168,.9);
}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px}
.breadcrumb li:not(:last-child)::after{content:"/";color:rgba(159,184,168,.4)}
.breadcrumb a{color:var(--moss);transition:color .18s ease}
.breadcrumb a:hover{color:var(--orange)}

.prose{max-width:68ch;font-size:16px;line-height:1.85;color:#E4E1D8}
.prose p + p{margin-top:1em}
.prose h2{margin-top:1.8em;font-size:clamp(22px,2.6vw,30px);letter-spacing:-.02em}
.prose h3{margin-top:1.4em;font-size:clamp(18px,2vw,22px)}
.prose ul,.prose ol{margin-top:.8em;display:grid;gap:.5em;padding-left:1.1em}
.prose ul li{list-style:none;position:relative;padding-left:14px}
.prose ul li::before{content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:2px;background:var(--orange)}
.prose ol{counter-reset:step}
.prose ol li{list-style:none;position:relative;padding-left:14px}
.prose a{color:var(--cyan);border-bottom:1px solid rgba(111,183,200,.45)}
.prose a:hover{color:var(--yellow);border-bottom-color:var(--yellow)}

.grid{display:grid;gap:clamp(20px,3vw,36px)}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--aside{grid-template-columns:minmax(0,1fr) minmax(230px,310px)}
.sticky-aside{position:sticky;top:calc(var(--header-h) + 24px);align-self:start}

.panel{
  padding:clamp(18px,2.6vw,32px);
  border:1px solid var(--line);
  border-radius:var(--radius-xl);
  background:linear-gradient(158deg,rgba(23,87,68,.55),rgba(11,15,13,.72));
}
.panel__title{
  font-family:var(--font-display);
  font-size:clamp(17px,1.8vw,20px);
  font-weight:800;
  letter-spacing:-.01em;
  margin-bottom:10px;
}

.pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:5px 13px;
  border:1px solid var(--line-strong);
  border-radius:var(--radius-pill);
  font-size:11.5px;
  letter-spacing:.12em;
  color:var(--moss);
}
.pill--signal{border-color:rgba(245,213,71,.6);color:var(--yellow)}

.chip{
  display:inline-flex;
  align-items:center;
  padding:8px 16px;
  border:1px solid var(--line-strong);
  border-radius:var(--radius-pill);
  font-size:13px;
  letter-spacing:.04em;
  color:var(--moss);
  transition:background .2s ease,color .2s ease,border-color .2s ease,font-weight .2s ease;
}
.chip:hover{color:var(--chalk);border-color:rgba(255,106,26,.7)}
.chip.is-active,
.chip[aria-pressed="true"]{
  background:var(--orange);
  border-color:var(--orange);
  color:var(--ink);
  font-weight:700;
}

.stat-row{display:flex;flex-wrap:wrap;gap:clamp(14px,2.4vw,30px)}
.stat{
  flex:1 1 140px;
  padding-left:14px;
  border-left:2px solid rgba(111,183,200,.55);
}
.stat__num{
  font-family:var(--font-mono);
  font-weight:700;
  font-size:clamp(26px,4vw,44px);
  line-height:1;
  letter-spacing:-.02em;
  color:var(--chalk);
}
.stat__label{
  margin-top:8px;
  font-size:11.5px;
  letter-spacing:.16em;
  color:var(--moss);
}

/* 图片框景（页面阶段放置占位图） */
.media-frame{
  position:relative;
  overflow:hidden;
  isolation:isolate;
  border:1px solid var(--line);
  border-radius:var(--radius-xl);
  background:linear-gradient(135deg,var(--pitch-2),var(--ink) 78%);
}
.media-frame > img,
.media-frame > picture > img{
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:center;
}
.media-frame--wide{aspect-ratio:16/9}
.media-frame--tall{aspect-ratio:4/5}
.media-frame--square{aspect-ratio:1/1}
.media-frame--banner{aspect-ratio:21/9}
.media-frame--veil::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(11,15,13,0) 42%,rgba(11,15,13,.78));
  pointer-events:none;
}
.media-frame figcaption{
  position:absolute;
  left:18px;
  right:18px;
  bottom:14px;
  z-index:1;
  font-size:12px;
  letter-spacing:.05em;
  color:var(--chalk);
}

/* 滚动进度（JS 注入） */
.scroll-progress{
  position:fixed;
  inset:0 0 auto;
  z-index:200;
  height:3px;
  background:rgba(159,184,168,.16);
  pointer-events:none;
}
.scroll-progress__bar{
  display:block;
  height:100%;
  width:0;
  background:linear-gradient(90deg,var(--orange),var(--yellow));
  transition:width .1s linear;
}

/* 滚动显现 */
[data-reveal]{
  opacity:0;
  transform:translateY(18px);
  transition:opacity .5s ease,transform .5s ease;
}
[data-reveal].is-revealed{opacity:1;transform:none}
html:not(.js) [data-reveal]{opacity:1;transform:none}

/* =========================================================
   响应式
   ========================================================= */
@media (max-width:1100px){
  .masthead__tagline{display:none}
  .masthead__inner{grid-template-columns:auto 1fr}
  .stadium-footer__grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}

@media (max-width:899px){
  :root{--header-h:104px}
  html{scroll-padding-top:150px}
  .masthead__inner{gap:12px;padding-block:10px}
  .masthead__cta{display:none}
  .nav-toggle{display:inline-flex}
  .site-nav{
    max-height:0;
    opacity:0;
    visibility:hidden;
    overflow:hidden;
    border-top:0;
    transition:max-height .3s ease,opacity .22s ease,visibility .22s;
  }
  .site-nav[data-open]{
    max-height:560px;
    opacity:1;
    visibility:visible;
    border-top:1px solid var(--line-soft);
  }
  .site-nav__list{
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding-block:6px;
  }
  .site-nav__link{
    justify-content:flex-start;
    width:100%;
    padding:14px 6px;
    border-bottom:1px solid var(--line-soft);
    border-left:2px solid transparent;
  }
  .site-nav__link[aria-current="page"]{
    border-bottom-color:var(--line-soft);
    border-left-color:var(--orange);
    padding-left:14px;
  }
  .grid--2,.grid--aside{grid-template-columns:1fr}
  .sticky-aside{position:static}
  .masthead[data-stuck] .site-nav__link{padding-block:14px}
}

@media (max-width:640px){
  .masthead__kicker{font-size:9.5px;letter-spacing:.24em}
  .league-switch__btn{padding:6px 10px;font-size:12px}
  .stadium-footer__grid{grid-template-columns:1fr}
  .stadium-footer__summary{max-width:none}
  .stadium-footer__bottom{flex-direction:column;align-items:flex-start}
  .stat{flex:1 1 100%}
}

/* ---------- 焦点与动效偏好 ---------- */
@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 !important;transform:none !important}
  .btn:hover,.stadium-footer__link:hover{transform:none}
}