*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px;}
body{margin:0;}
img,svg{display:block;max-width:100%;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
a{color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p,figure{margin:0;}
table{border-collapse:collapse;width:100%;}

:root{
  --c-orange:#F26522;
  --c-orange-deep:#B0431C;
  --c-blue:#1E90FF;
  --c-blue-soft:#CFE6FF;
  --c-ink:#1A1A1A;
  --c-night:#0E1013;
  --c-paper:#F7F2E8;
  --c-sand:#C2B8A3;
  --c-sand-light:#E9DCC6;
  --c-moss:#5C6B4A;
  --c-stone:#7A8794;
  --font-head:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:"JetBrains Mono","IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --wrap:1280px;
  --gut:6vw;
  --r:4px;
  --hdr-h:76px;
  --ease:cubic-bezier(.2,.7,.3,1);
}

body{
  background:var(--c-paper);
  color:var(--c-ink);
  font-family:var(--font-head);
  font-size:16px;
  line-height:1.65;
  font-weight:400;
  letter-spacing:.01em;
  overflow-x:hidden;
}

h1,h2,h3,h4{font-weight:900;letter-spacing:.06em;line-height:1.08;}
h1{font-size:clamp(40px,7.4vw,120px);letter-spacing:.04em;line-height:.98;}
h2{font-size:clamp(26px,3.4vw,36px);}
h3{font-size:clamp(18px,2vw,20px);}
p{max-width:68ch;}

:focus-visible{outline:2px solid var(--c-orange);outline-offset:3px;box-shadow:0 0 0 5px rgba(30,144,255,.4);}
.visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;}

/* ---------- skip link ---------- */
.skip-link{
  position:absolute;left:12px;top:-70px;z-index:120;
  background:var(--c-ink);color:var(--c-paper);
  padding:10px 18px;font-size:14px;font-weight:700;letter-spacing:.08em;
  text-decoration:none;border-radius:0 0 var(--r) var(--r);
  transition:top .22s var(--ease);
}
.skip-link:focus{top:0;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--c-paper);
  border-bottom:1px solid var(--c-ink);
  box-shadow:0 8px 0 -4px rgba(194,184,163,.55);
}
.header-rail{
  position:relative;
  max-width:var(--wrap);
  margin:0 auto;
  min-height:var(--hdr-h);
  padding:16px var(--gut);
  display:flex;align-items:center;justify-content:space-between;
  gap:clamp(12px,3vw,40px);
  transition:min-height .28s var(--ease),padding .28s var(--ease);
}
[data-scrolled="true"] .header-rail{min-height:56px;padding-top:6px;padding-bottom:6px;}

.brand-cluster{display:flex;align-items:center;gap:clamp(10px,1.6vw,24px);min-width:0;}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;}
.brand-mark{
  font-family:var(--font-mono);font-size:17px;font-weight:700;letter-spacing:.06em;
  background:var(--c-ink);color:var(--c-paper);
  padding:5px 9px;border-radius:2px;transform:skewX(-8deg);
}
.brand-text{display:flex;flex-direction:column;line-height:1.12;}
.brand-name{font-size:19px;font-weight:900;letter-spacing:.12em;}
.brand-sub{font-family:var(--font-mono);font-size:10px;letter-spacing:.14em;color:var(--c-stone);white-space:nowrap;}

.season-lamp{
  display:inline-flex;align-items:center;gap:7px;
  font-family:var(--font-mono);font-size:10px;letter-spacing:.12em;
  border-top:1px solid var(--c-sand);border-bottom:1px solid var(--c-sand);
  padding:3px 0;color:var(--c-ink);max-width:none;
}
.lamp-dot{width:7px;height:7px;border-radius:50%;background:var(--c-moss);box-shadow:0 0 0 3px rgba(92,107,74,.18);animation:lampPulse 2.4s ease-in-out infinite;}
.lamp-label{color:var(--c-stone);}
.lamp-value{font-weight:700;}
@keyframes lampPulse{0%,100%{opacity:1;}50%{opacity:.42;}}

.site-nav{display:flex;align-items:center;}
.nav-list{display:flex;align-items:center;gap:clamp(8px,1.5vw,26px);}
.nav-link{
  position:relative;display:inline-block;
  padding:8px 6px;font-size:15px;font-weight:600;letter-spacing:.06em;
  color:var(--c-ink);text-decoration:none;
  transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:6px;right:6px;bottom:2px;height:2px;
  background:var(--c-sand);transform:scaleX(0);transform-origin:0 50%;
  transition:transform .24s var(--ease);
}
.nav-link:hover{color:var(--c-orange-deep);}
.nav-link:hover::after,.nav-link:focus-visible::after{transform:scaleX(1);}
.nav-link[aria-current="page"]{
  background:var(--c-orange);color:var(--c-ink);
  padding:8px 14px;
  clip-path:polygon(9px 0,100% 0,calc(100% - 5px) 100%,0 100%);
}
.nav-link[aria-current="page"]::after{display:none;}
.nav-foot{display:none;}

.header-tools{display:flex;align-items:center;gap:12px;}
.tz-chip{
  font-family:var(--font-mono);font-size:10px;letter-spacing:.12em;
  color:var(--c-stone);border:1px solid var(--c-sand);border-radius:2px;
  padding:5px 9px;white-space:nowrap;
}
.nav-toggle{display:none;align-items:center;gap:10px;padding:9px 12px 9px 14px;border:1px solid var(--c-ink);border-radius:2px;background:var(--c-paper);}
.nav-toggle-label{font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;}
.nav-toggle-bars{display:flex;flex-direction:column;gap:3px;}
.nav-toggle-bars i{display:block;width:16px;height:2px;background:var(--c-ink);transition:transform .22s var(--ease),opacity .22s var(--ease);}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars i:nth-child(1){transform:translateY(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(-5px) rotate(-45deg);}

.scroll-meter{position:absolute;left:0;right:0;bottom:-1px;height:3px;background:rgba(194,184,163,.35);overflow:hidden;}
.scroll-meter-fill{display:block;width:100%;height:100%;background:linear-gradient(90deg,var(--c-blue) 0%,var(--c-orange) 100%);transform:scaleX(0);transform-origin:0 50%;}

/* ---------- footer ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(64px,8vw,128px);
  background:var(--c-night);
  color:var(--c-paper);
  padding:clamp(76px,8vw,112px) var(--gut) 30px;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;
  height:clamp(30px,4.4vw,58px);
  background:var(--c-paper);
  clip-path:polygon(0 0,100% 0,0 100%);
  pointer-events:none;
}
.footer-inner{max-width:var(--wrap);margin:0 auto;}
.footer-brand{margin-bottom:clamp(32px,4vw,56px);}
.footer-mark{font-size:clamp(30px,4vw,46px);font-weight:900;letter-spacing:.14em;line-height:1;}
.footer-tagline{margin-top:12px;font-size:15px;color:var(--c-sand);max-width:46ch;line-height:1.7;}
.footer-note{margin-top:14px;font-size:13px;line-height:1.7;color:var(--c-stone);max-width:52ch;}

.footer-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:clamp(22px,3.4vw,52px);
  padding-top:clamp(28px,3vw,44px);
  border-top:1px solid rgba(194,184,163,.35);
}
.footer-col{min-width:0;}
.footer-head{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--c-sand);padding-left:10px;border-left:4px solid var(--c-orange);
  margin-bottom:16px;font-weight:700;
}
.footer-list{display:flex;flex-direction:column;gap:10px;}
.footer-link{
  display:inline-block;font-size:15px;letter-spacing:.04em;text-decoration:none;
  color:var(--c-paper);border-bottom:1px solid transparent;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.footer-link:hover,.footer-link:focus-visible{color:var(--c-orange);border-bottom-color:var(--c-orange);}
.footer-contact-text{font-size:14px;line-height:1.9;color:var(--c-sand);max-width:none;}

.footer-base{
  max-width:var(--wrap);margin:clamp(32px,4vw,56px) auto 0;
  padding-top:20px;border-top:1px solid rgba(194,184,163,.28);
  display:flex;flex-wrap:wrap;gap:10px 24px;align-items:baseline;justify-content:space-between;
}
.footer-contact{font-family:var(--font-mono);font-size:12px;letter-spacing:.04em;color:var(--c-sand);max-width:100%;}
.footer-legal{font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;color:var(--c-stone);max-width:100%;}
.footer-legal a{color:var(--c-sand);text-decoration:none;border-bottom:1px solid rgba(194,184,163,.45);}
.footer-legal a:hover,.footer-legal a:focus-visible{color:var(--c-orange);border-bottom-color:var(--c-orange);}

/* ---------- layout ---------- */
.wrap{max-width:var(--wrap);margin:0 auto;padding-left:var(--gut);padding-right:var(--gut);}
.section{padding-top:clamp(56px,7vw,110px);padding-bottom:clamp(56px,7vw,110px);}
.section--tight{padding-top:clamp(32px,4vw,56px);padding-bottom:clamp(32px,4vw,56px);}
.grid-12{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:clamp(16px,2vw,32px);}
.col-3{grid-column:span 3;}
.col-5{grid-column:span 5;}
.col-7{grid-column:span 7;}
.col-8{grid-column:span 8;}
.col-9{grid-column:span 9;}
.rule{height:1px;border:0;margin:0;background:var(--c-sand);}
.band{position:relative;background:var(--c-ink);color:var(--c-paper);padding:clamp(36px,5vw,72px) var(--gut);}
.band--slant{clip-path:polygon(0 24px,100% 0,100% 100%,0 100%);padding-top:calc(clamp(36px,5vw,72px) + 24px);}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--c-stone);
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--c-orange);}

/* ---------- components ---------- */
.card{
  position:relative;background:var(--c-paper);color:var(--c-ink);
  border:1px solid var(--c-ink);border-radius:var(--r);
  padding:clamp(18px,2vw,28px);
  box-shadow:8px 8px 0 var(--c-sand);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.card:hover,.card:focus-within{transform:translateY(-4px);border-color:var(--c-orange);box-shadow:10px 10px 0 var(--c-sand-light);}
.card--float{box-shadow:10px 10px 0 var(--c-orange-deep);}
.card--float:hover,.card--float:focus-within{box-shadow:12px 12px 0 var(--c-orange-deep);}

.badge{
  position:relative;display:inline-flex;align-items:center;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--c-ink);border-top:1px solid var(--c-sand);border-bottom:1px solid var(--c-sand);
  padding:4px 8px 4px 12px;
}
.badge::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--c-orange);}
.badge--moss::before{background:var(--c-moss);}
.badge--blue::before{background:var(--c-blue);}

.btn{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-head);font-size:15px;font-weight:700;letter-spacing:.08em;
  padding:13px 22px;border:1px solid var(--c-ink);border-radius:2px;
  background:var(--c-paper);color:var(--c-ink);text-decoration:none;
  box-shadow:4px 4px 0 var(--c-ink);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn:hover{transform:translate(-2px,-2px);box-shadow:6px 6px 0 var(--c-orange);}
.btn:active{transform:translate(2px,2px);box-shadow:2px 2px 0 var(--c-orange-deep);}
.btn--primary{background:var(--c-orange);color:var(--c-ink);}
.btn--blue{background:var(--c-blue);color:var(--c-ink);}
.btn--ghost{background:transparent;box-shadow:none;border-color:var(--c-sand);}
.btn--ghost:hover{background:var(--c-sand-light);border-color:var(--c-orange);transform:none;box-shadow:none;}

.stat{display:flex;flex-direction:column;gap:4px;}
.stat-value{
  font-family:var(--font-mono);font-variant-numeric:tabular-nums slashed-zero;
  font-weight:700;font-size:clamp(44px,6vw,72px);line-height:.95;letter-spacing:-.01em;
}
.stat-unit{font-family:var(--font-mono);font-size:12px;letter-spacing:.12em;color:var(--c-stone);}
.stat-note{font-size:12px;letter-spacing:.04em;color:var(--c-stone);}

.timeline{position:relative;padding-left:26px;border-left:2px solid var(--c-sand);}
.timeline-item{position:relative;padding-bottom:26px;}
.timeline-item::before{
  content:"";position:absolute;left:-34px;top:7px;width:10px;height:10px;
  background:var(--c-paper);border:2px solid var(--c-sand);border-radius:50%;
}
.timeline-item[data-state="current"]::before{background:var(--c-orange);border-color:var(--c-orange);}

.media{
  position:relative;overflow:hidden;background:var(--c-sand-light);
  border:1px solid var(--c-ink);border-radius:var(--r);
}
.media__img{display:block;width:100%;height:100%;object-fit:cover;filter:saturate(1.05) contrast(1.08);}
.media::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(115deg,rgba(242,101,34,.12),rgba(30,144,255,.12));
  mix-blend-mode:multiply;
}
.media--wide{aspect-ratio:16/9;}
.media--tall{aspect-ratio:3/4;}
.media--square{aspect-ratio:1/1;}

.breadcrumb{padding-top:16px;padding-bottom:16px;}
.breadcrumb-list{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-family:var(--font-mono);font-size:12px;letter-spacing:.1em;color:var(--c-stone);}
.breadcrumb-list li{display:flex;align-items:center;gap:10px;}
.breadcrumb-list li+li::before{content:"\203A";color:var(--c-sand);}
.breadcrumb-list a{color:var(--c-stone);text-decoration:none;border-bottom:1px solid var(--c-sand);}
.breadcrumb-list a:hover,.breadcrumb-list a:focus-visible{color:var(--c-orange);border-bottom-color:var(--c-orange);}
.breadcrumb-list [aria-current="page"]{color:var(--c-ink);font-weight:700;}

.table-scroll{overflow-x:auto;border:1px solid var(--c-ink);background:var(--c-paper);}
.data-table{width:100%;min-width:560px;font-size:15px;}
.data-table th,.data-table td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--c-sand);}
.data-table thead th{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;
  background:var(--c-ink);color:var(--c-paper);border-bottom:0;
}
.data-table tbody tr:nth-child(even){background:rgba(194,184,163,.16);}
.data-table tbody tr:hover{background:var(--c-sand-light);}
.data-table td.num{font-family:var(--font-mono);font-variant-numeric:tabular-nums slashed-zero;}

.note{font-size:13px;line-height:1.6;color:var(--c-stone);border-left:4px solid var(--c-sand);padding-left:12px;max-width:60ch;}

.accordion-item{border-bottom:1px solid var(--c-sand);}
.accordion-trigger{
  width:100%;display:flex;justify-content:space-between;align-items:baseline;gap:14px;
  padding:16px 0;text-align:left;font-size:17px;font-weight:700;letter-spacing:.04em;
  transition:color .2s var(--ease);
}
.accordion-trigger:hover{color:var(--c-orange-deep);}
.accordion-trigger[aria-expanded="true"]{color:var(--c-orange-deep);}
.accordion-panel{padding:0 0 18px;font-size:15px;color:var(--c-stone);}
.accordion-panel[hidden]{display:none;}

.segmented{display:inline-flex;flex-wrap:wrap;border:1px solid var(--c-ink);border-radius:2px;background:var(--c-paper);overflow:hidden;}
.segmented__tab{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;
  padding:10px 16px;color:var(--c-stone);border-right:1px solid var(--c-sand);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.segmented__tab:last-child{border-right:0;}
.segmented__tab[aria-selected="true"]{background:var(--c-orange);color:var(--c-ink);}

.tag{
  display:inline-block;font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;
  padding:3px 8px;border:1px solid var(--c-sand);color:var(--c-stone);
}

/* ---------- reveal ---------- */
html.js-motion [data-reveal]{
  opacity:0;transform:translateY(24px);
  transition:opacity .32s var(--ease),transform .32s var(--ease);
}
html.js-motion [data-reveal].is-visible{opacity:1;transform:none;}

/* ---------- breakpoints ---------- */
@media (max-width:1180px){
  .season-lamp{display:none;}
}
@media (max-width:1080px){
  .tz-chip{display:none;}
}
@media (max-width:900px){
  :root{--gut:5vw;}
  .nav-toggle{display:inline-flex;}
  .site-nav{
    position:fixed;inset:0;z-index:55;
    flex-direction:column;align-items:stretch;justify-content:flex-start;
    padding:calc(var(--hdr-h) + 28px) var(--gut) 36px;
    background:var(--c-paper);
    border-left:8px solid var(--c-orange);
    box-shadow:-16px 0 0 rgba(30,144,255,.16);
    transform:translateX(103%);
    visibility:hidden;
    overflow-y:auto;
    transition:transform .32s var(--ease),visibility .32s var(--ease);
  }
  .site-nav[data-open="true"]{transform:translateX(0);visibility:visible;}
  html[data-nav-open="true"]{overflow:hidden;}
  .nav-list{flex-direction:column;align-items:stretch;gap:0;width:100%;}
  .nav-list li{border-bottom:1px solid var(--c-sand);}
  .nav-link{display:block;width:100%;padding:18px 4px;font-size:22px;font-weight:800;letter-spacing:.08em;}
  .nav-link::after{display:none;}
  .nav-link[aria-current="page"]{clip-path:none;padding:18px 14px;}
  .nav-foot{
    display:block;margin-top:auto;padding-top:26px;
    font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;color:var(--c-stone);
  }
  .grid-12{grid-template-columns:repeat(6,minmax(0,1fr));}
  .col-3,.col-5,.col-7,.col-8,.col-9{grid-column:span 6;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-base{flex-direction:column;align-items:flex-start;}
}
@media (max-width:640px){
  body{font-size:15px;}
  .brand-name{font-size:17px;}
  .footer-mark{font-size:28px;}
  .btn{width:100%;justify-content:center;}
  .stat-value{font-size:clamp(38px,12vw,56px);}
}
@media (max-width:520px){
  .brand-sub{display:none;}
}

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