body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", "Noto Sans", "Noto Sans SC", sans-serif;
  background: var(--bg);
  color: var(--ink);
  scroll-behavior: smooth;
  padding-top: calc(var(--nav-height, 64px) + env(safe-area-inset-top));
  padding-bottom: env(safe-area-inset-bottom);
}
#site-nav{
  transition: transform .25s ease;
  will-change: transform;
  box-shadow: 0 8px 24px rgba(0,0,0,0.35);
  background: var(--card);
  color: var(--ink);
  border-bottom: 1px solid var(--line);
}
#site-nav.nav-hidden{
  transform: translateY(-100%);
}

#site-nav .nav-toggle{
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}
#site-nav .nav-inner{
  display: flex;
  flex-direction: column;
  gap: .5rem;
}
#site-nav .nav-top{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
}
#site-nav .hamburger{
  width: 48px;
  height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--card) 86%, transparent);
  backdrop-filter: blur(6px);
  cursor: pointer;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  transition: transform .15s ease, background-color .15s ease, border-color .15s ease;
}
#site-nav .hamburger:hover{
  background: color-mix(in srgb, var(--card) 70%, transparent);
  border-color: color-mix(in srgb, var(--line) 60%, var(--amber));
}
#site-nav .hamburger:active{ transform: scale(.98); }
#site-nav .hamburger-lines{
  display: flex;
  flex-direction: column;
  gap: 6px;
}
#site-nav .hamburger-line{
  width: 22px;
  height: 2px;
  background: var(--ink);
  border-radius: 999px;
  transform-origin: center;
  transition: transform .2s ease, opacity .18s ease;
}
#site-nav .nav-menu{
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transform: translateY(-6px);
  transition: max-height .25s ease, opacity .2s ease, transform .2s ease;
}
#site-nav .nav-toggle:checked ~ .nav-menu{
  max-height: 70vh;
  opacity: 1;
  transform: translateY(0);
}
#site-nav .nav-toggle:checked ~ .nav-top .hamburger-line:nth-child(1){
  transform: translateY(8px) rotate(45deg);
}
#site-nav .nav-toggle:checked ~ .nav-top .hamburger-line:nth-child(2){
  opacity: 0;
  transform: scaleX(.7);
}
#site-nav .nav-toggle:checked ~ .nav-top .hamburger-line:nth-child(3){
  transform: translateY(-8px) rotate(-45deg);
}
@media (max-width: 767.98px){
  #site-nav #nav-links{
    flex-direction: column;
    align-items: stretch;
  }
  #site-nav #nav-links .nav-link{
    padding: 12px 14px;
    border-radius: .75rem;
  }
  #site-nav .nav-lang{
    display: flex;
    align-items: center;
    gap: 8px;
  }
  #site-nav .nav-lang .lang-btn{
    min-height: 44px;
    padding: 10px 14px;
  }
}
@media (min-width: 768px){
  #site-nav .hamburger{ display: none; }
  #site-nav .nav-menu{
    max-height: none;
    opacity: 1;
    transform: none;
    overflow: visible;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .75rem;
  }
  #site-nav .nav-top{ flex: 0 0 auto; }
}
@media (prefers-reduced-motion: reduce){
  #site-nav .hamburger,
  #site-nav .hamburger-line,
  #site-nav .nav-menu{
    transition: none !important;
  }
}
body::after{
  content:"";
  position:fixed;
  inset:-20%;
  background: conic-gradient(from 180deg at 50% 50%, rgba(245,158,11,.08), rgba(99,102,241,.06), rgba(14,165,233,.08), rgba(245,158,11,.08));
  filter: blur(50px);
  opacity:.6;
  z-index:-1;
  animation: spin 20s linear infinite;
}
@keyframes spin{ to { transform: rotate(360deg); } }

body::before{
  content:"";
  position:fixed;
  inset:0;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 180'><path fill='%233b82f6' opacity='.12' d='M0,60 C150,120 300,0 450,60 600,120 750,0 900,60 1050,120 1200,0 1350,60 V180 H0 Z'/></svg>");
  background-repeat: repeat-x;
  background-size: 1200px 180px;
  background-position: 0 100%;
  animation: waveScroll 18s linear infinite;
  mix-blend-mode: soft-light;
  z-index:-1;
  pointer-events:none;
}
@keyframes waveScroll{
  from { background-position: 0 100%; }
  to   { background-position: -1200px 100%; }
}

.card {
  background-color: var(--card);
  border: 1px solid var(--line);
  box-shadow: 0 10px 25px rgba(15,23,42,0.15);
  backdrop-filter: saturate(120%) blur(2px);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.card:hover {
  transform: translateY(-2px) rotateX(0.5deg) rotateY(-0.5deg);
  box-shadow: 0 20px 40px rgba(15,23,42,0.18);
  border-color: color-mix(in srgb, var(--line) 45%, #94a3b8);
}

.lang-btn {
  transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}
.lang-btn, .nav-link{
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}
.lang-btn:active, .nav-link:active{
  transform: scale(.98);
}

.lang-btn.active {
  background-color: #F59E0B;
  color: #111827;
  font-weight: bold;
}
.lang-btn:hover {
  transform: translateY(-1px);
}

#modal {
  transition: opacity 0.2s ease;
}

.modal-img {
  max-width: 90vw;
  max-height: 80vh;
  object-fit: contain;
}

.arrow-btn{
  width: 52px;
  height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  line-height: 1;
  color: var(--ink);
  background-color: color-mix(in srgb, var(--card) 88%, transparent);
  border-radius: 9999px;
  backdrop-filter: blur(4px);
  transition: transform .15s ease, background-color .15s ease, color .15s ease, opacity .3s ease;
}
.arrow-btn:hover{
  transform: scale(1.08);
  background-color: color-mix(in srgb, var(--card) 70%, transparent);
  color: var(--amber);
}

#closeModal{
  width: 52px;
  height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 9999px;
  background: color-mix(in srgb, var(--card) 88%, transparent);
  backdrop-filter: blur(4px);
  transition: opacity .3s ease, background-color .15s ease, transform .15s ease;
}
#closeModal:hover{ background: color-mix(in srgb, var(--card) 70%, transparent); transform: scale(1.05); }

.viewer-ui{ opacity: 1; }
.viewer-ui.hidden{ opacity: 0; }

@media (pointer: coarse){
  .arrow-btn, #closeModal{ font-size: 30px; }
}

@media (max-width: 640px){
  #site-nav .max-w-6xl{ padding-top: 10px !important; padding-bottom: 10px !important; }
  #site-nav .nav-link{ font-size: 13px; padding: 10px 12px; min-height: 48px; display: inline-flex; align-items: center; border-radius: .75rem; }
  #site-nav .lang-btn{ font-size: 12px; padding: 10px 12px; min-height: 48px; display: inline-flex; align-items: center; justify-content: center; border-radius: 9999px; }
  #nav-links{
    display: flex !important;
    flex-wrap: nowrap !important;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    gap: .5rem !important;
    scrollbar-width: none;
    scroll-snap-type: x proximity;
    overscroll-behavior-x: contain;
  }
  #nav-links .nav-link{ scroll-snap-align: center; }
  #nav-links::-webkit-scrollbar{ display: none; }
}

.nav-link.active{
  color: #F59E0B;
  font-weight: 700;
}

.nav-link { position: relative; }
.nav-link::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 4px;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(245,158,11,0.8), transparent);
  opacity: 0;
  transform: scaleX(0.8);
  transition: opacity 0.2s ease, transform 0.2s ease;
}
.nav-link:hover::after,
.nav-link.active::after {
  opacity: 1;
  transform: scaleX(1);
}

.gradient-text{
  display: inline-block;
  line-height: 1.25;
  padding-bottom: .075em;
  background: linear-gradient(90deg, #fde68a, #a78bfa, #7dd3fc);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

#scroll-progress{
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0;
  background: linear-gradient(90deg, #f59e0b, #a78bfa, #22d3ee);
  z-index: 50;
  box-shadow: 0 0 12px rgba(167,139,250,.6);
}

.reveal{
  opacity: 0;
  transform: translateY(10px);
  transition: transform .5s ease, opacity .5s ease;
}
.reveal.visible{
  opacity: 1;
  transform: translateY(0);
}

@media (min-width: 768px) {
  body { padding-top: calc(var(--nav-height, 72px) + env(safe-area-inset-top)); }
}

.main-content, main{
  position: relative;
  z-index: 1;
}

#bg-waves{ position: fixed; inset: 0; z-index: 0; pointer-events: none; }
.bg-wave{
  position: absolute;
  left: 0; right: 0; bottom: -24px;
  height: 180px;
  background-repeat: repeat-x;
  background-size: 1200px 180px;
  opacity: .14;
  mix-blend-mode: screen;
}
.bg-wave.wave-1{
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 180'><path fill='%233b82f6' d='M0,80 C150,140 300,20 450,80 600,140 750,20 900,80 1050,140 1200,20 1350,80 V180 H0 Z'/></svg>");
  animation: waveScroll1 22s linear infinite;
}
.bg-wave.wave-2{
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 180'><path fill='%230ea5e9' d='M0,60 C150,120 300,0 450,60 600,120 750,0 900,60 1050,120 1200,0 1350,60 V180 H0 Z'/></svg>");
  animation: waveScroll2 30s linear infinite;
  opacity: .10;
}
@keyframes waveScroll1{ from{ background-position: 0 100%; } to{ background-position:-1200px 100%; } }
@keyframes waveScroll2{ from{ background-position: 0 100%; } to{ background-position:-2400px 100%; } }
.masonry{
  column-gap: 1.5rem;
  column-count: 1;
}
.masonry-item{
  break-inside: avoid;
  margin-bottom: 1.5rem;
}
.masonry-item img{
  width: 100%;
  height: auto;
  display: block;
  border: 1px solid var(--line);
  border-radius: .5rem;
  box-shadow: 0 10px 25px rgba(15,23,42,0.12);
  transition: transform .2s ease;
}
.masonry-item img:hover{
  transform: scale(1.02);
}

@media (prefers-reduced-motion: reduce) {
  body::after, body::before, .bg-wave.wave-1, .bg-wave.wave-2 {
    animation: none !important;
  }
}
@media (min-width: 768px) {
  .masonry{ column-count: 2; }
}
@media (min-width: 1024px) {
  .masonry{ column-count: 3; }
}
.hamburger-btn{
  position: fixed;
  top: calc(env(safe-area-inset-top) + 12px);
  right: 12px;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: color-mix(in srgb, var(--card) 88%, transparent);
  border: 1px solid var(--line);
  border-radius: 9999px;
  backdrop-filter: blur(6px);
  box-shadow: 0 10px 24px rgba(15,23,42,0.18);
  cursor: pointer;
  z-index: 60;
  transition: transform .15s ease, background-color .15s ease;
}
.hamburger-btn:hover{ transform: scale(1.04); background: color-mix(in srgb, var(--card) 70%, transparent); }
.hamburger-line{
  width: 20px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  box-shadow: 0 1px 0 rgba(0,0,0,.25);
}
.hamburger-lines{
  display: grid;
  gap: 4px;
}

.menu-backdrop{
  position: fixed;
  inset: 0;
  background: rgba(15,23,42,.12);
  backdrop-filter: blur(2px);
  z-index: 59;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s ease;
}
.menu-backdrop.visible{
  opacity: 1;
  pointer-events: auto;
}

.global-menu{
  position: fixed;
  top: calc(env(safe-area-inset-top) + 60px);
  right: 12px;
  width: 280px;
  max-width: calc(100vw - 24px);
  background: color-mix(in srgb, var(--card) 96%, transparent);
  border: 1px solid var(--line);
  border-radius: .75rem;
  box-shadow: 0 20px 40px rgba(15,23,42,0.16);
  z-index: 60;
  transform: translateY(-8px) scale(.98);
  opacity: 0;
  pointer-events: none;
  transition: transform .2s ease, opacity .2s ease;
}
.global-menu.visible{
  transform: translateY(0) scale(1);
  opacity: 1;
  pointer-events: auto;
}
.global-menu-header{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .75rem .9rem;
  border-bottom: 1px solid var(--line);
}
.global-menu-title{
  font-weight: 800;
  letter-spacing: .02em;
  color: var(--amber);
}
.global-menu-close{
  font-size: 22px;
  line-height: 1;
  color: var(--muted);
  background: transparent;
  border: none;
  cursor: pointer;
}
.global-menu-section{
  padding: .5rem .75rem .75rem;
}
.menu-item{
  display: block;
  padding: .5rem .6rem;
  border-radius: .5rem;
  color: var(--ink);
  border: 1px solid transparent;
  transition: background-color .15s ease, border-color .15s ease, transform .15s ease;
}
.menu-item:hover{
  background: color-mix(in srgb, var(--card) 70%, transparent);
  border-color: var(--line);
  transform: translateY(-1px);
}
.menu-lang{
  display: flex;
  gap: .5rem;
  padding: .5rem .6rem .75rem;
}
.menu-lang .lang-btn{
  flex: 1 1 auto;
  text-align: center;
  padding: .4rem .5rem;
  border-radius: 9999px;
  border: 1px solid var(--line);
}

#policy-modal{
  position: fixed;
  inset: 0;
  z-index: 70;
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding: 4rem 1rem 2rem;
  background: rgba(15,23,42,.65);
  backdrop-filter: blur(2px);
}
#policy-modal.visible{ display: flex; }
#policy-content{
  position: relative;
  width: 100%;
  max-width: 56rem;
  background: color-mix(in srgb, var(--card) 96%, transparent);
  border: 1px solid var(--line);
  border-radius: .75rem;
  box-shadow: 0 20px 40px rgba(15,23,42,0.16);
  padding: 1.25rem 1rem 1.5rem;
  max-height: calc(100svh - 5rem);
  overflow: hidden;
}
#policy-close{
  position: absolute;
  top: .5rem;
  left: .75rem;
  font-size: 28px;
  line-height: 1;
  color: var(--muted);
  background: transparent;
  border: none;
  cursor: pointer;
}
#policy-title{
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--amber);
  margin-left: 2rem;
  margin-bottom: .75rem;
}
#policy-body{
  color: var(--muted);
  line-height: 1.75;
  white-space: pre-line;
  overflow-y: auto;
  max-height: calc(100svh - 8rem);
  padding-right: .5rem;
  scrollbar-color: color-mix(in srgb, var(--line) 70%, transparent) color-mix(in srgb, var(--card2) 80%, transparent);
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}
#policy-body::-webkit-scrollbar{ width: 8px; }
#policy-body::-webkit-scrollbar-track{ background: var(--card2); border-radius: 8px; }
#policy-body::-webkit-scrollbar-thumb{ background: color-mix(in srgb, var(--line) 70%, #94a3b8); border-radius: 8px; }
@media (max-width: 640px) and (orientation: portrait){
  #policy-modal{ padding: calc(env(safe-area-inset-top) + 2rem) .75rem calc(env(safe-area-inset-bottom) + 1.25rem); }
  #policy-content{ max-width: 100%; border-radius: .75rem; padding: 1rem; }
  #policy-title{ display: none; }
  #policy-close{ left: auto; right: .75rem; font-size: 32px; min-width: 44px; min-height: 44px; padding: .25rem .5rem; }
  #policy-body{ max-height: calc(100svh - 6rem - env(safe-area-inset-top) - env(safe-area-inset-bottom)); }
}
body.modal-open .hamburger-btn{ display: none; }

.i18n-missing{
  text-decoration: underline dashed #ef4444;
  text-underline-offset: 2px;
}

.evidence-grid{
  display: grid;
  gap: 1rem;
}
.evidence-card{
  border: 1px solid var(--line);
  border-radius: .75rem;
  background: color-mix(in srgb, var(--card) 92%, transparent);
  overflow: hidden;
  box-shadow: 0 16px 30px rgba(15,23,42,0.12);
}
.evidence-media-btn{
  width: 100%;
  text-align: left;
  background: transparent;
  border: 0;
  padding: 0;
  cursor: pointer;
  position: relative;
}
.evidence-media{
  width: 100%;
  display: block;
  background: #0f172a;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}
.evidence-cta{
  position: absolute;
  right: .75rem;
  bottom: .75rem;
  font-size: .9rem;
  font-weight: 800;
  color: var(--amber);
  background: color-mix(in srgb, var(--card) 90%, transparent);
  border: 1px solid var(--line);
  border-radius: 9999px;
  padding: .35rem .6rem;
}
.evidence-body{
  padding: .85rem .9rem 1rem;
}
.evidence-title{
  font-weight: 900;
  color: var(--amber);
  margin-bottom: .35rem;
}
.evidence-desc{
  color: var(--muted);
  line-height: 1.6;
  font-size: .95rem;
}
.evidence-notes{
  margin-top: .9rem;
  border: 1px solid var(--line);
  border-radius: .75rem;
  background: color-mix(in srgb, var(--card2) 92%, transparent);
  overflow: hidden;
}
.evidence-notes summary{
  cursor: pointer;
  padding: .85rem .9rem;
  color: var(--ink);
  font-weight: 800;
}
.evidence-notes-body{
  padding: 0 .9rem 1rem;
}

.theme-dark body{
  background: radial-gradient(1200px 600px at 10% -20%, rgba(245, 158, 11, 0.15), transparent 60%), radial-gradient(800px 400px at 90% -10%, rgba(14, 165, 233, 0.12), transparent 60%), #0B1220;
}
.theme-light body{
  background: radial-gradient(1200px 600px at 10% -20%, rgba(14, 165, 233, 0.08), transparent 55%), radial-gradient(900px 500px at 90% -10%, rgba(16, 185, 129, 0.08), transparent 55%), #F8FAFC;
}
.theme-light body::after{
  opacity: .35;
  filter: blur(40px);
}
.theme-light body::before{
  opacity: .65;
  mix-blend-mode: normal;
}
.theme-light .bg-wave{
  opacity: .08;
  mix-blend-mode: normal;
}
.theme-light .text-gray-300{ color: #334155; }
.theme-light .text-gray-400{ color: #475569; }
.theme-light .text-gray-500{ color: #64748b; }
.theme-light .text-gray-600{ color: #475569; }
.theme-light .text-white{ color: #0f172a; }
.theme-light .bg-gray-900{ background-color: #f8fafc; }
.theme-light .bg-gray-800{ background-color: #f1f5f9; }
.theme-light .bg-gray-700{ background-color: #e2e8f0; }
.theme-light .border-gray-800{ border-color: rgba(148,163,184,.6); }
.theme-light .border-gray-700{ border-color: rgba(148,163,184,.6); }
.theme-light .border-gray-600{ border-color: rgba(148,163,184,.7); }
.theme-light .shadow-xl{ box-shadow: 0 20px 25px -5px rgba(15,23,42,0.12), 0 8px 10px -6px rgba(15,23,42,0.08); }

@media (min-width: 768px){
  .evidence-grid{
    grid-template-columns: 2fr 2fr 1.6fr;
    grid-template-areas:
      "A A B"
      "A A C"
      "D D D";
  }
  .evidence-card[data-area="A"]{ grid-area: A; }
  .evidence-card[data-area="B"]{ grid-area: B; }
  .evidence-card[data-area="C"]{ grid-area: C; }
  .evidence-card[data-area="D"]{ grid-area: D; }
  /* Give the big card more vertical real estate */
  .evidence-card[data-area="A"] .evidence-media{ aspect-ratio: 4 / 3; }
}