/* ============ 01 reset ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,h5,p,ul,ol,li,figure,blockquote,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}
button{background:none;border:0;cursor:pointer}
a{color:inherit;text-decoration:none}
table{border-collapse:collapse;width:100%}
hr{border:0;border-top:1px solid var(--line)}
::selection{background:var(--orange);color:#0B1E2D}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:3px}

/* ============ 02 tokens ============ */
:root{
  --deep:#0B1E2D;
  --console:#16293A;
  --rock:#2E3F4E;
  --orange:#FF7A1A;
  --orange-soft:#FFA765;
  --cyan:#3BE0C0;
  --clay:#C2683F;
  --moss:#4E6B4A;
  --cream:#F4F1EA;
  --glass:rgba(22,41,58,.55);
  --ink:#F4F1EA;
  --ink-dim:rgba(244,241,234,.74);
  --ink-soft:rgba(244,241,234,.52);
  --line:rgba(244,241,234,.14);
  --line-strong:rgba(244,241,234,.3);
  --display:"Barlow Condensed","Oswald","Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --mono:"JetBrains Mono","IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --body:"Inter","Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --shell-w:1280px;
  --cut:20px;
  --radius:14px;
  --t-fast:.18s ease;
  --t-mid:.4s ease;
}

/* ============ 03 base ============ */
body{
  min-height:100vh;
  background-color:var(--deep);
  background-image:
    radial-gradient(60rem 40rem at 88% -8%,rgba(255,122,26,.16),rgba(255,122,26,0) 62%),
    radial-gradient(50rem 36rem at -10% 20%,rgba(59,224,192,.09),rgba(59,224,192,0) 64%),
    linear-gradient(180deg,#0B1E2D 0%,#0A1926 55%,#08131D 100%);
  background-attachment:fixed;
  color:var(--ink-dim);
  font-family:var(--body);
  font-size:16px;
  line-height:1.62;
}
h1,h2,h3,h4{font-family:var(--display);font-weight:800;line-height:1.06;letter-spacing:.01em;color:var(--ink)}
h1{font-size:clamp(2rem,5vw,3.5rem)}
h2{font-size:clamp(1.5rem,3.4vw,2.2rem)}
h3{font-size:1.25rem;font-weight:700}
p{max-width:72ch}
strong{color:var(--ink);font-weight:600}

/* ============ 04 layout ============ */
.shell{width:min(var(--shell-w),100% - 2.5rem);margin-inline:auto}
.header-shell{position:relative}
.footer-shell{padding:clamp(2.4rem,5vw,3.6rem) 0 1.6rem}
.section{padding:clamp(2.8rem,6vw,5.5rem) 0}
.grid-12{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:1.25rem}
.col-rail{grid-column:1 / 4}
.col-main{grid-column:4 / 11}
.col-aside{grid-column:11 / 13}
@media (max-width:960px){
  .grid-12{grid-template-columns:1fr}
  .col-rail,.col-main,.col-aside{grid-column:1 / -1}
}
.section-head{display:flex;flex-direction:column;gap:.6rem;margin-bottom:clamp(1.4rem,3vw,2.4rem)}
.section-num{font-family:var(--mono);font-size:13px;font-weight:600;letter-spacing:.16em;color:var(--clay)}
.eyebrow{font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:var(--ink-soft)}
.lede{font-size:clamp(1rem,1.5vw,1.15rem);color:var(--ink-dim);max-width:64ch}
.mono{font-family:var(--mono);font-weight:600;letter-spacing:.02em}

/* ============ 05 butonn / tags ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.62rem 1.15rem;border:1px solid transparent;border-radius:999px;
  font-size:14px;font-weight:600;letter-spacing:.04em;line-height:1.2;
  transition:background-color var(--t-fast),color var(--t-fast),border-color var(--t-fast),transform var(--t-fast);
}
.btn-primary{background:var(--orange);color:#0B1E2D;box-shadow:0 6px 20px rgba(255,122,26,.28)}
.btn-primary:hover{background:var(--orange-soft)}
.btn-ghost{border-color:var(--line-strong);color:var(--ink)}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan)}
.btn-lg{padding:.88rem 1.7rem;font-size:15px}
.tag{display:inline-flex;align-items:center;gap:.35rem;padding:.28rem .62rem;border:1px solid transparent;border-radius:999px;font-size:12px;letter-spacing:.09em;line-height:1.4}
.tag--orange{background:var(--orange);color:#0B1E2D;font-weight:600}
.tag--cyan{background:rgba(59,224,192,.14);color:var(--cyan);border-color:rgba(59,224,192,.45)}
.tag--clay{background:rgba(194,104,63,.18);color:#E7A47F;border-color:rgba(194,104,63,.5)}
.tag--moss{background:rgba(78,107,74,.26);color:#9CC194;border-color:rgba(78,107,74,.7)}

/* ============ 06 cards & stats ============ */
.card{
  position:relative;background:var(--console);border:1px solid var(--line);
  padding:clamp(1rem,2.2vw,1.5rem);
  clip-path:polygon(0 0,calc(100% - var(--cut)) 0,100% var(--cut),100% 100%,0 100%);
}
.glass-card{
  position:relative;background:var(--glass);border:1px solid rgba(244,241,234,.18);
  border-radius:var(--radius);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  padding:clamp(1rem,2.2vw,1.4rem);
}
.stat-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.75rem}
@media (max-width:620px){.stat-row{grid-template-columns:1fr 1fr}}
.stat{display:flex;flex-direction:column;gap:.35rem;padding:.95rem 1rem;background:rgba(11,30,45,.55);border:1px solid var(--line);border-radius:12px}
.stat-value{font-family:var(--mono);font-weight:600;font-size:clamp(1.5rem,3.2vw,2.4rem);line-height:1;color:var(--ink);letter-spacing:-.01em}
.stat-value--orange{color:var(--orange)}
.stat-value--cyan{color:var(--cyan)}
.stat-label{font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-soft)}

/* ============ 07 media & breadcrumbs ============ */
.media-frame{
  position:relative;overflow:hidden;border:1px solid var(--line);
  background:linear-gradient(135deg,#16293A 0%,#0B1E2D 100%);
  aspect-ratio:16 / 9;width:100%;
}
.media-frame img{width:100%;height:100%;object-fit:cover}
.media-frame::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,30,45,0) 45%,rgba(11,30,45,.78));pointer-events:none}
.media-frame--tall{aspect-ratio:3 / 4}
.media-frame--square{aspect-ratio:1 / 1}
.media-frame__cap{position:absolute;left:.9rem;bottom:.8rem;z-index:2;font-size:12px;letter-spacing:.09em;color:var(--ink-dim)}
.breadcrumbs{margin-bottom:1.2rem}
.breadcrumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:.45rem;font-size:13px;color:var(--ink-soft)}
.breadcrumbs li{display:inline-flex;align-items:center;gap:.45rem}
.breadcrumbs li:not(:last-child)::after{content:"/";color:var(--rock)}
.breadcrumbs a:hover{color:var(--cyan)}
.breadcrumbs [aria-current="page"]{color:var(--ink)}

/* ============ 08 tabs ============ */
.tab-bar{display:flex;flex-wrap:wrap;gap:.4rem;padding-bottom:.7rem;border-bottom:1px solid var(--line)}
.tab{padding:.45rem .95rem;border:1px solid transparent;border-radius:999px;font-size:13px;letter-spacing:.06em;color:var(--ink-soft);transition:background-color var(--t-fast),color var(--t-fast)}
.tab:hover{color:var(--ink)}
.tab[aria-selected="true"]{background:var(--orange);color:#0B1E2D;font-weight:600}
.tab-panel{padding-top:1.1rem;animation:panelIn .18s ease}
@keyframes panelIn{from{opacity:0}to{opacity:1}}

/* ============ 09 reveal ============ */
[data-reveal]{opacity:0;transform:translateY(12px);transition:opacity var(--t-mid),transform var(--t-mid)}
[data-reveal].is-visible{opacity:1;transform:none}

/* ============ 10 header ============ */
.skip-link{
  position:fixed;top:.6rem;left:50%;z-index:200;
  transform:translate(-50%,-180%);
  padding:.7rem 1.25rem;border-radius:999px;
  background:var(--orange);color:#0B1E2D;font-size:14px;font-weight:600;
  transition:transform .2s ease;
}
.skip-link:focus{transform:translate(-50%,0)}
.site-header{
  position:sticky;top:0;z-index:100;
  background:linear-gradient(180deg,rgba(11,30,45,.96),rgba(11,30,45,.76));
  border-bottom:1px solid var(--line);
  -webkit-backdrop-filter:blur(12px) saturate(120%);
  backdrop-filter:blur(12px) saturate(120%);
  transition:background-color .25s ease,box-shadow .25s ease;
}
.site-header.is-condensed{background:var(--glass);box-shadow:0 12px 34px rgba(0,0,0,.45)}
.scroll-progress{
  position:fixed;top:0;left:0;width:100%;height:2px;z-index:120;pointer-events:none;
  background:linear-gradient(90deg,var(--orange),var(--cyan));
  transform:scaleX(0);transform-origin:0 50%;
}
.masthead{
  display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);
  align-items:center;gap:1rem;padding:1rem 0 .7rem;
  transition:padding .25s ease;
}
.site-header.is-condensed .masthead{padding:.45rem 0}
.masthead-meta{display:flex;flex-wrap:wrap;gap:.45rem;max-width:none;transition:opacity .25s ease,visibility .25s ease}
.site-header.is-condensed .masthead-meta{opacity:0;visibility:hidden}
.meta-pill{
  display:inline-flex;align-items:baseline;gap:.4rem;
  padding:.3rem .65rem;border:1px solid var(--line);border-radius:999px;
  background:rgba(11,30,45,.62);font-size:12px;color:var(--ink-soft);
}
.meta-pill__k{letter-spacing:.06em}
.meta-pill__v{font-family:var(--mono);font-size:13px;font-weight:600;color:var(--orange)}
.meta-pill--cyan .meta-pill__v{color:var(--cyan)}
.brand{display:inline-flex;flex-direction:column;align-items:center;justify-self:center}
.brand-plate{position:relative;display:flex;flex-direction:column;align-items:center;gap:.22rem;padding:.5rem 1.5rem .45rem}
.brand-plate::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,rgba(255,122,26,0),var(--orange) 22%,var(--cyan) 78%,rgba(59,224,192,0));
}
.brand-plate::after{content:"";position:absolute;bottom:0;left:0;right:0;height:1px;background:var(--line)}
.brand-name{font-family:var(--display);font-weight:800;font-size:clamp(1.4rem,3vw,2.05rem);line-height:1;letter-spacing:.16em;color:var(--ink)}
.brand-en{font-family:var(--mono);font-size:10px;letter-spacing:.32em;color:var(--ink-soft);text-transform:uppercase}
.site-header.is-condensed .brand-name{font-size:clamp(1.1rem,2vw,1.35rem)}
.header-actions{display:flex;align-items:center;justify-content:flex-end;gap:.55rem}
.nav-toggle{
  display:none;width:44px;height:44px;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  border:1px solid var(--line-strong);border-radius:12px;background:rgba(11,30,45,.6);
}
.nav-toggle-bar{display:block;width:18px;height:2px;background:var(--ink);transition:transform .2s ease,opacity .2s ease}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.site-nav{border-top:1px solid var(--line)}
.nav-list{display:flex;flex-wrap:wrap;justify-content:center;gap:clamp(.1rem,1vw,.8rem);padding:.1rem 0 .55rem}
.nav-list a{
  display:block;padding:.5rem .7rem;border-bottom:2px solid transparent;
  font-size:14px;letter-spacing:.06em;color:var(--ink-dim);
  transition:color var(--t-fast),border-color var(--t-fast),background-color var(--t-fast);
}
.nav-list a:hover{color:var(--ink);border-bottom-color:rgba(255,122,26,.55)}
.nav-list a[aria-current="page"]{color:var(--ink);border-bottom-color:var(--orange)}

/* ============ 11 footer ============ */
.site-footer{
  position:relative;margin-top:clamp(3rem,7vw,6rem);
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(11,30,45,.35),rgba(8,19,29,.96));
}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--clay),var(--orange) 42%,var(--cyan))}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.25fr;gap:2rem 1.6rem}
.footer-col{min-width:0}
.footer-heading{
  margin-bottom:.95rem;font-family:var(--display);font-size:13px;font-weight:700;
  letter-spacing:.2em;text-transform:uppercase;color:var(--orange);
}
.brand--footer{align-items:flex-start;justify-self:start}
.brand--footer .brand-plate{align-items:flex-start;padding:.4rem 1.2rem .4rem 0}
.brand--footer .brand-plate::before{background:linear-gradient(90deg,var(--orange),rgba(255,122,26,0))}
.brand--footer .brand-name{font-size:1.35rem;letter-spacing:.14em}
.footer-note{margin:.9rem 0 1.2rem;max-width:34ch;font-size:14px;color:var(--ink-soft)}
.season-progress{max-width:280px}
.season-progress__head{display:flex;justify-content:space-between;gap:1rem;max-width:none;font-size:12px;letter-spacing:.08em;color:var(--ink-soft)}
.season-progress__track{display:block;margin-top:.5rem;height:6px;border-radius:999px;background:rgba(244,241,234,.12);overflow:hidden}
.season-progress__fill{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--orange),var(--cyan))}
.footer-links li + li{margin-top:.5rem}
.footer-links a{font-size:14px;color:var(--ink-dim);border-bottom:1px solid transparent;transition:color var(--t-fast),border-color var(--t-fast)}
.footer-links a:hover{color:var(--ink);border-bottom-color:var(--orange)}
.footer-links--tight{margin-top:1.1rem}
.footer-contact li{display:flex;gap:.6rem;font-size:14px;color:var(--ink-dim)}
.footer-contact li + li{margin-top:.55rem}
.footer-contact .k{flex:0 0 2.6em;font-size:12px;letter-spacing:.1em;color:var(--ink-soft);padding-top:.15em}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:.8rem 1.5rem;
  margin-top:2.2rem;padding-top:1.1rem;border-top:1px solid var(--line);
  font-size:13px;color:var(--ink-soft);
}
.footer-legal{max-width:none}
.footer-legal-links{display:flex;flex-wrap:wrap;gap:1rem}
.footer-legal-links a:hover{color:var(--cyan)}

/* ============ 12 responsive ============ */
@media (max-width:1060px){
  .nav-list a{padding:.5rem .55rem;font-size:13.5px}
}
@media (max-width:980px){
  .masthead-meta{display:none}
  .nav-toggle{display:inline-flex}
  .site-nav{
    max-height:0;overflow:hidden;border-top-color:transparent;
    transition:max-height .32s ease,border-color .32s ease;
  }
  .site-nav[data-open]{max-height:min(72vh,560px);overflow-y:auto;border-top-color:var(--line)}
  .nav-list{flex-direction:column;align-items:stretch;gap:0;padding:.4rem 0 .9rem}
  .nav-list a{
    padding:.85rem .8rem;border-bottom:1px solid var(--line);border-left:3px solid transparent;
  }
  .nav-list a[aria-current="page"]{
    border-bottom-color:var(--line);border-left-color:var(--orange);
    background:rgba(255,122,26,.09);color:var(--ink);
  }
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:720px){
  .header-actions .btn-ghost{display:none}
}
@media (max-width:640px){
  .shell{width:calc(100% - 2rem)}
  .brand-en{display:none}
  .brand-plate{padding:.42rem .8rem .38rem}
  .masthead{gap:.5rem;padding:.7rem 0 .55rem}
  .footer-grid{grid-template-columns:1fr;gap:1.8rem}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* ============ 13 motion guard ============ */
@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}
  .scroll-progress{transition:none}
}