/* ===================================================
   KCVISION.space — V4 Shared Styles
   =================================================== */

/* FORCE LIGHT MODE */
:root { color-scheme: light only; }
html { color-scheme: light only !important; background: #FAF4EA !important; }
@media (prefers-color-scheme: dark) {
  html, body { background: #FAF4EA !important; color: #1E1E1E !important; }
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; }

:root {
  --bg:        #FAF4EA;
  --bg-soft:   #F5ECDC;
  --ink:       #1E1E1E;
  --ink-soft:  #4A4A4A;
  --wine:      #A8453A;
  --wine-deep: #8B372E;
  --navy:      #2C4555;
  --navy-deep: #1E3441;
  --line:      #E4D9C4;
  --c-pink:    #F5E1DD;
  --c-lilac:   #E4DCEF;
  --c-mint:    #D7E8E2;
  --c-peach:   #F4D9CC;
  --c-rose:    #EFC9C0;
  --c-sand:    #EFE4CF;
  --c-sky:     #D9E4EC;
  --c-warn:    #F7ECC4;
  --serif:     'Noto Serif TC', 'Songti TC', serif;
  --sans:      'Noto Sans TC', 'PingFang TC', -apple-system, sans-serif;
  --radius:    14px;
  --max:       1240px;
}

body {
  font-family: var(--sans);
  color: var(--ink) !important;
  background: var(--bg) !important;
  line-height: 1.72;
  font-size: 17px;
  min-height: 100vh;
  display: flex; flex-direction: column;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* TYPOGRAPHY */
h1, h2, h3 { font-family: var(--serif); color: var(--navy); font-weight: 900; line-height: 1.15; }
h1 { font-size: clamp(2.6rem, 6vw, 4.8rem); text-shadow: 0 4px 24px rgba(168,69,58,0.15); }
h2 { font-size: clamp(2rem, 4.5vw, 3.6rem); }
h3 { font-size: 1.3rem; color: var(--ink); }
p  { color: var(--ink-soft); line-height: 1.72; }
strong { color: var(--ink); font-weight: 700; }
.wine { color: var(--wine); }
.navy { color: var(--navy); }

/* TICKER BAR */
.ticker-wrap {
  position: relative;
  background: rgba(245,236,220,0.75);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  min-height: 48px;
}
.ticker-fallback {
  position: absolute; inset: 0;
  display: flex; align-items: center;
  overflow: hidden; z-index: 1;
  mask-image: linear-gradient(to right, transparent, #000 4%, #000 96%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, #000 4%, #000 96%, transparent);
}
.ticker-track {
  display: flex; gap: 40px;
  animation: tickerScroll 58s linear infinite;
  white-space: nowrap; padding: 0 24px;
  width: max-content;
}
.t-item {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.88rem; font-weight: 600; color: var(--ink);
  font-variant-numeric: tabular-nums;
}
.t-item .sym { color: var(--navy); font-weight: 700; font-size: 0.9rem; }
.t-item .chg { font-size: 0.79rem; font-weight: 700; padding: 2px 7px; border-radius: 4px; }
.t-item .up  { color: #1B6B42; background: rgba(27,107,66,0.12); }
.t-item .dn  { color: #B83B2E; background: rgba(184,59,46,0.12); }
@keyframes tickerScroll { 0%{transform:translateX(0)} 100%{transform:translateX(-50%)} }
.tv-widget { position: relative; z-index: 2; min-height: 48px; }

/* NAV */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(250,244,234,0.97);
  backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 2px 28px -14px rgba(60,40,20,0.18);
}
.nav-inner {
  max-width: var(--max); margin: 0 auto;
  padding: 13px 24px;
  display: flex; align-items: center;
  justify-content: space-between; gap: 14px;
}
.brand { display: flex; align-items: baseline; gap: 3px; flex-shrink: 0; }
.brand .kcv {
  font-family: var(--serif);
  font-size: 1.72rem; font-weight: 900;
  color: var(--wine); letter-spacing: 0.04em; text-transform: uppercase;
  text-shadow: 0 2px 8px rgba(168,69,58,0.2);
}
.brand .dot { font-family: var(--serif); font-size: 0.92rem; font-weight: 600; color: var(--navy); }
.nav-links { display: flex; gap: 3px; list-style: none; flex-wrap: wrap; }
.nav-links a {
  padding: 8px 12px; border-radius: 8px;
  font-size: 0.86rem; color: var(--ink-soft);
  transition: all .2s; white-space: nowrap; font-weight: 500;
}
.nav-links a:hover { background: var(--bg-soft); color: var(--wine); }
.nav-links a.active { background: var(--wine); color: #fff; font-weight: 600; box-shadow: 0 4px 14px -4px rgba(168,69,58,0.5); }
.nav-tools { display: flex; align-items: center; gap: 6px; flex-shrink: 0; }
.nav-div { width: 1px; height: 22px; background: var(--line); margin: 0 2px; }
.fs-btn {
  width: 32px; height: 32px; border-radius: 7px;
  border: 1.5px solid var(--line); background: var(--bg);
  color: var(--navy); font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  transition: all .2s;
}
.fs-btn.sm { font-size: 0.7rem; }
.fs-btn.lg { font-size: 0.95rem; }
.fs-btn:hover { background: var(--c-pink); border-color: var(--wine); color: var(--wine); }
.lang-wrap { display: flex; border: 1.5px solid var(--line); border-radius: 8px; overflow: hidden; }
.lang-btn {
  padding: 6px 11px; font-size: 0.8rem; font-weight: 700;
  background: var(--bg); color: var(--ink-soft);
  transition: all .2s; letter-spacing: 0.02em;
}
.lang-btn + .lang-btn { border-left: 1.5px solid var(--line); }
.lang-btn.active { background: var(--wine); color: #fff; }
.lang-btn:hover:not(.active) { background: var(--c-pink); color: var(--wine); }
.hamburger {
  display: none; width: 42px; height: 42px;
  border-radius: 8px; color: var(--navy); font-size: 1.5rem;
  align-items: center; justify-content: center;
}
@media(max-width:1100px){
  .hamburger{display:flex;}
  .nav-links{
    position:absolute;top:100%;left:0;right:0;
    background:var(--bg);flex-direction:column;
    padding:12px 20px 20px;gap:4px;
    border-bottom:1px solid var(--line);
    max-height:0;overflow:hidden;
    transition:max-height .35s ease;
    box-shadow:0 10px 24px -10px rgba(0,0,0,0.2);
  }
  .nav-links.open{max-height:600px;}
  .nav-links a{padding:12px 14px;}
}

/* TAG PILL */
.tag {
  display: inline-block; padding: 8px 22px; border-radius: 8px;
  background: var(--c-pink); color: var(--navy-deep);
  font-size: 0.82rem; font-weight: 700; letter-spacing: 0.18em;
  margin-bottom: 22px;
  box-shadow: 0 2px 12px -4px rgba(168,69,58,0.2);
}
.tag.lilac { background: var(--c-lilac); }
.tag.mint  { background: var(--c-mint);  }
.tag.peach { background: var(--c-peach); }
.tag.sand  { background: var(--c-sand);  }
.tag.sky   { background: var(--c-sky);   }

/* BUTTONS */
.btn {
  display: inline-block; padding: 14px 30px; border-radius: 10px;
  font-size: 0.96rem; font-weight: 700;
  transition: transform .2s, box-shadow .2s; cursor: pointer;
}
.btn-navy { background: var(--navy); color: #fff; box-shadow: 0 8px 24px -8px rgba(44,69,85,0.55); }
.btn-navy:hover { transform: translateY(-2px); box-shadow: 0 14px 30px -8px rgba(44,69,85,0.7); }
.btn-ghost { background: #fff; border: 2px solid var(--navy); color: var(--navy); }
.btn-ghost:hover { background: var(--navy); color: #fff; transform: translateY(-2px); }
.btn-row { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-top: 32px; }

/* LAYOUT */
.container { max-width: var(--max); margin: 0 auto; padding: 60px 24px; }
.container-n { max-width: 960px; margin: 0 auto; padding: 60px 24px; }
.section-hd { text-align: center; margin-bottom: 44px; }
.section-hd h2 { margin-bottom: 14px; }
.section-hd p { max-width: 720px; margin: 0 auto; color: var(--ink-soft); }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; align-items: start; }
@media(max-width:800px){ .two-col{ grid-template-columns:1fr; gap:28px; } }
.center { text-align: center; }
.mt-s { margin-top: 14px; }
.mt-m { margin-top: 26px; }
.mt-l { margin-top: 44px; }

/* CARDS */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 22px; margin-top: 38px;
}
@media(max-width:900px){ .card-grid{ grid-template-columns:repeat(2,1fr); } }
@media(max-width:560px){ .card-grid{ grid-template-columns:1fr; } }
.card {
  padding: 28px 26px; border-radius: var(--radius);
  background: var(--c-pink);
  box-shadow: 0 6px 24px -10px rgba(60,40,20,0.2);
  transition: transform .25s, box-shadow .25s;
}
.card:hover { transform: translateY(-5px); box-shadow: 0 20px 40px -12px rgba(60,40,20,0.28); }
.card h3 { font-family: var(--sans); font-size: 1.12rem; font-weight: 700; margin-bottom: 10px; color: var(--ink); }
.card p { color: var(--ink); opacity: 0.82; font-size: 0.96rem; }
.card .ico { font-size: 2rem; margin-bottom: 10px; }
.card.lilac { background: var(--c-lilac); }
.card.mint  { background: var(--c-mint); }
.card.peach { background: var(--c-peach); }
.card.sand  { background: var(--c-sand); }
.card.sky   { background: var(--c-sky); }
.card.rose  { background: var(--c-rose); }

/* PAGE NAV */
.page-nav {
  display: grid;
  grid-template-columns: repeat(auto-fit,minmax(220px,1fr));
  gap: 14px; margin-top: 42px;
}
.page-nav a {
  display: block; padding: 22px; border-radius: var(--radius);
  background: var(--bg-soft); border: 2px solid transparent;
  transition: all .25s;
  box-shadow: 0 4px 16px -8px rgba(60,40,20,0.1);
}
.page-nav a:hover { transform: translateY(-4px); background: var(--c-pink); border-color: var(--wine); box-shadow: 0 16px 32px -10px rgba(168,69,58,0.25); }
.pn-num   { display: block; font-family: var(--serif); color: var(--wine); font-size: 0.85rem; font-weight: 700; margin-bottom: 4px; }
.pn-title { display: block; font-family: var(--serif); font-size: 1.28rem; color: var(--navy); font-weight: 900; margin-bottom: 6px; }
.pn-desc  { font-size: 0.84rem; color: var(--ink-soft); line-height: 1.55; }

/* QUOTE BOXES */
.q-box      { background: var(--c-pink);  padding: 18px 22px; border-radius: 10px; font-family: var(--serif); font-style: italic; color: var(--ink);      box-shadow: 0 4px 14px -6px rgba(168,69,58,0.2); margin: 20px 0; }
.q-warn     { background: var(--c-warn);  padding: 16px 20px; border-radius: 10px; color: var(--ink); font-size: 0.93rem; }
.q-info     { background: var(--c-sky);   padding: 16px 20px; border-radius: 10px; color: var(--ink); font-size: 0.93rem; }
.q-danger   { background: #F2CFCB;        padding: 16px 20px; border-radius: 10px; color: var(--ink); font-size: 0.93rem; }
.q-success  { background: #CFE6D5;        padding: 14px 18px; border-radius: 10px; color: var(--ink); font-size: 0.93rem; }

/* HERO */
.hero {
  padding: 90px 24px 65px; text-align: center;
  position: relative; overflow: hidden; background: var(--bg);
}
.hero-deco {
  position: absolute; inset: 0; z-index: 0; pointer-events: none; opacity: 0.5;
  background:
    radial-gradient(circle at 18% 28%, var(--c-peach) 0%, transparent 28%),
    radial-gradient(circle at 82% 22%, var(--c-lilac) 0%, transparent 32%),
    radial-gradient(circle at 64% 76%, var(--c-mint)  0%, transparent 32%),
    radial-gradient(circle at 14% 78%, var(--c-pink)  0%, transparent 28%);
}
.hero-inner { position: relative; z-index: 1; max-width: 1100px; margin: 0 auto; }
.hero-eye { font-size: 0.88rem; color: var(--ink-soft); letter-spacing: 0.2em; text-transform: uppercase; margin-bottom: 26px; font-weight: 600; }
.hero h1 { color: var(--wine); margin-bottom: 24px; text-shadow: 0 6px 36px rgba(168,69,58,0.28); }
.lede { max-width: 740px; margin: 0 auto; color: var(--ink); font-size: 1.08rem; line-height: 1.76; }

/* TIMELINE */
.timeline { position: relative; max-width: 820px; margin: 0 auto; padding-left: 42px; }
.timeline::before { content:''; position:absolute; left:17px; top:10px; bottom:10px; width:2px; background:var(--line); }
.tl-item { position: relative; padding: 10px 0 28px 30px; }
.tl-item::before {
  content: attr(data-n); position: absolute; left: -34px; top: 4px;
  width: 38px; height: 38px; border-radius: 8px;
  background: var(--c-pink);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--serif); font-weight: 700; color: var(--navy);
  box-shadow: 0 4px 10px -3px rgba(60,40,20,0.2);
}
.tl-item:nth-child(2n)::before { background: var(--c-lilac); }
.tl-item:nth-child(3n)::before { background: var(--c-mint); }
.tl-yr { font-family: var(--serif); font-size: 1.3rem; color: var(--navy); font-weight: 900; margin-bottom: 4px; }

/* NFT GALLERY */
.nft-grid {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: 24px; margin-top: 44px;
}
@media(max-width:960px){ .nft-grid{ grid-template-columns:repeat(2,1fr); } }
@media(max-width:500px){ .nft-grid{ grid-template-columns:1fr; } }
.nft-card { display: flex; flex-direction: column; }
.nft-frame {
  position: relative; aspect-ratio: 1; border-radius: var(--radius);
  overflow: hidden; background: var(--c-pink);
  box-shadow: 0 12px 36px -12px rgba(60,40,20,0.35);
  transition: transform .35s, box-shadow .35s;
}
.nft-card:hover .nft-frame { transform: translateY(-6px) rotate(-1deg); box-shadow: 0 24px 48px -12px rgba(60,40,20,0.4); }
.nft-frame::before { content:''; position:absolute; top:10px; left:-8px; width:65%; height:65%; border-radius:8px; background:var(--c-lilac); z-index:0; }
.nft-frame::after  { content:''; position:absolute; bottom:10px; right:-8px; width:55%; height:55%; border-radius:8px; background:var(--c-peach); z-index:0; }
.nft-card:nth-child(2) .nft-frame::before { background:var(--c-mint); }
.nft-card:nth-child(2) .nft-frame::after  { background:var(--c-rose); }
.nft-card:nth-child(3) .nft-frame::before { background:var(--c-sky);  }
.nft-card:nth-child(3) .nft-frame::after  { background:var(--c-sand); }
.nft-card:nth-child(4) .nft-frame::before { background:var(--c-peach);}
.nft-card:nth-child(4) .nft-frame::after  { background:var(--c-lilac);}
.nft-img {
  position:absolute; top:6%; left:6%; width:88%; height:88%; z-index:2;
  border-radius:8px; background:#fff; overflow:hidden;
  box-shadow: 0 8px 20px -6px rgba(0,0,0,0.25);
  display:flex; align-items:center; justify-content:center;
}
.nft-img img { width:100%; height:100%; object-fit:cover; }
.nft-img .fb { font-size:3.8rem; display:none; }
.nft-img.err .fb { display:block; }
.nft-img.err img { display:none; }
.nft-meta { padding: 14px 4px 0; }
.nft-name { font-family:var(--serif); font-size:1.12rem; font-weight:900; color:var(--navy); margin-bottom:4px; }
.nft-sub  { font-size:0.72rem; letter-spacing:0.12em; color:var(--wine); font-weight:700; text-transform:uppercase; margin-bottom:6px; }
.nft-desc { font-size:0.84rem; color:var(--ink-soft); line-height:1.55; }

/* FAQ */
.faq-item { padding: 20px 22px; border-radius: var(--radius); margin-bottom: 14px; background: var(--bg-soft); transition: all .25s; box-shadow: 0 2px 8px -4px rgba(60,40,20,0.08); }
.faq-item:hover { background: var(--c-pink); box-shadow: 0 8px 20px -8px rgba(168,69,58,0.25); }
.faq-q { font-family: var(--serif); font-size: 1.12rem; color: var(--navy); display: flex; align-items: center; gap: 12px; margin-bottom: 8px; font-weight: 700; }
.faq-n { width:32px; height:32px; border-radius:8px; background:var(--c-pink); display:inline-flex; align-items:center; justify-content:center; font-weight:700; flex-shrink:0; color:var(--wine); }

/* CHANNEL CARDS */
.ch-card { display:flex; align-items:center; gap:16px; padding:20px 22px; background:var(--bg-soft); border-radius:var(--radius); transition:all .25s; border:2px solid transparent; }
.ch-card:hover { background:var(--c-pink); border-color:var(--wine); transform:translateY(-2px); }
.ch-ico { width:48px; height:48px; background:var(--c-pink); border-radius:10px; display:flex; align-items:center; justify-content:center; font-size:1.4rem; flex-shrink:0; }
.ch-name { font-family:var(--serif); font-size:1.12rem; color:var(--navy); font-weight:900; }
.ch-desc { font-size:0.84rem; color:var(--ink-soft); }

/* THEME SCROLL BAR */
.theme-scroll {
  position:relative; overflow:hidden;
  background:var(--bg-soft); border-top:1px solid var(--line);
  padding:14px 0;
  mask-image:linear-gradient(to right,transparent,#000 5%,#000 95%,transparent);
  -webkit-mask-image:linear-gradient(to right,transparent,#000 5%,#000 95%,transparent);
}
.theme-track {
  display:flex; gap:48px; white-space:nowrap;
  animation:scrollL 38s linear infinite; width:max-content;
}
.theme-track span { font-family:var(--serif); font-size:1.08rem; color:var(--navy); letter-spacing:0.09em; font-weight:500; }
.theme-track .dot { color:var(--wine); margin:0 22px; opacity:0.65; }
@keyframes scrollL { 0%{transform:translateX(0)} 100%{transform:translateX(-50%)} }

/* FOOTER */
.footer { background:var(--bg-soft); border-top:1px solid var(--line); padding:38px 24px 28px; margin-top:auto; }
.footer-in { max-width:var(--max); margin:0 auto; display:grid; grid-template-columns:1fr auto; gap:18px; align-items:center; }
.footer-brand { font-family:var(--serif); color:var(--wine); font-size:1.12rem; font-weight:900; margin-bottom:4px; }
.footer small { color:var(--ink-soft); font-size:0.82rem; }
.footer-links { display:flex; gap:16px; }
.footer-links a { color:var(--ink-soft); font-size:0.88rem; transition:color .2s; }
.footer-links a:hover { color:var(--wine); }
@media(max-width:600px){ .footer-in{grid-template-columns:1fr;text-align:center;} .footer-links{justify-content:center;} }

/* LANG */
.zh { display:none; }
body.lang-zh .zh { display:inline; }
body.lang-zh .en { display:none; }