:root {
  
  --paper: #f6f3ea;
  --paper-2: #efeadd;
  --paper-3: #e9e3d3;
  --surface: #fffdf8;
  --surface-2: #fbf8f0;
  --surface-sunk: #f4f0e6;

  
  --ink: #18212e;
  --ink-soft: #34404e;
  --muted: #5a6675;
  --faint: #8b94a1;

  
  --line: #e4ddcc;
  --line-2: #d7cfba;
  --line-strong: #c8bfa6;

  
  --green: #10805f;
  --green-600: #0c6a4e;
  --green-700: #0a563f;
  --green-800: #07412f;
  --green-50: #e7f3ee;
  --green-100: #d2e8df;

  --gold: #b07d24;
  --gold-600: #9a6a18;
  --gold-50: #f7efdc;
  --gold-100: #efe1c2;

  --danger: #b23121;
  --danger-50: #fbeeeb;
  --danger-100: #f3d6cf;
  --info: #1f5f86;
  --info-50: #e9f1f7;
  --info-100: #d2e3ef;

  
  --r-xs: 5px;
  --r-sm: 8px;
  --r: 12px;
  --r-lg: 18px;
  --r-xl: 26px;

  
  --sh-1: 0 1px 2px rgba(43, 36, 21, .05), 0 1px 1px rgba(43, 36, 21, .04);
  --sh-2: 0 4px 14px -6px rgba(36, 41, 30, .16), 0 2px 6px -4px rgba(36, 41, 30, .10);
  --sh-3: 0 18px 44px -22px rgba(24, 33, 46, .30), 0 6px 16px -12px rgba(24, 33, 46, .18);
  --sh-gold: 0 14px 34px -18px rgba(176, 125, 36, .42);

  --maxw: 1160px;
  --readw: 730px;

  --serif: "Newsreader", "Iowan Old Style", Georgia, "Times New Roman", serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  --ease: cubic-bezier(.22, 1, .36, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.68;
  color: var(--ink);
  background-color: var(--paper);
  
  background-image:
    radial-gradient(1200px 520px at 78% -10%, rgba(16, 128, 95, .07), transparent 60%),
    radial-gradient(900px 460px at 2% 4%, rgba(176, 125, 36, .055), transparent 62%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.025'/%3E%3C/svg%3E");
  background-attachment: fixed, fixed, scroll;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-feature-settings: "kern" 1, "liga" 1, "calt" 1;
  overflow-x: hidden;
}
img, svg { max-width: 100%; height: auto; display: block; }
a { color: var(--green-700); text-decoration: none; text-underline-offset: 2px; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 { font-family: var(--serif); font-weight: 600; line-height: 1.14; color: var(--ink); letter-spacing: -.015em; margin: 0; }
h1 { font-size: clamp(2.15rem, 1.4rem + 3.4vw, 3.4rem); letter-spacing: -.025em; }
h2 { font-size: clamp(1.55rem, 1.15rem + 1.7vw, 2.2rem); margin: 2.3em 0 .55em; }
h3 { font-size: clamp(1.2rem, 1.08rem + .5vw, 1.38rem); margin: 1.9em 0 .4em; }
h4 { font-size: 1.05rem; margin: 1.5em 0 .3em; font-family: var(--sans); font-weight: 700; letter-spacing: -.01em; }
p { margin: 0 0 1.1em; }
strong { font-weight: 650; color: var(--ink); }
em { font-style: italic; }
hr { border: 0; border-top: 1px solid var(--line); margin: 2.6rem 0; }
::selection { background: #bfe6d4; color: var(--green-800); }
code { font-family: ui-monospace, "SF Mono", "Cascadia Code", Menlo, Consolas, monospace; font-size: .88em; background: var(--surface-sunk); border: 1px solid var(--line); padding: .08em .4em; border-radius: var(--r-xs); }

.sd-wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.sd-narrow { max-width: var(--readw); margin: 0 auto; padding: 0 24px; }
.sd-section { padding: 72px 0; }
.sd-eyebrow {
  font-family: var(--sans); font-weight: 700; font-size: .73rem;
  letter-spacing: .16em; text-transform: uppercase; color: var(--green-700);
  margin: 0 0 .7rem; display: inline-flex; align-items: center; gap: 9px;
}
.sd-eyebrow::before { content: ""; width: 22px; height: 2px; background: linear-gradient(90deg, var(--green), transparent); border-radius: 2px; }
.sd-eyebrow--gold { color: var(--gold-600); }
.sd-eyebrow--gold::before { background: linear-gradient(90deg, var(--gold), transparent); }
.sd-eyebrow--center { display: flex; justify-content: center; }
.sd-lede { font-size: 1.2rem; color: var(--ink-soft); line-height: 1.6; }

.sd-skip { position: absolute; left: -999px; top: 0; background: var(--ink); color: #fff; padding: 10px 16px; z-index: 200; border-radius: 0 0 var(--r-sm) 0; }
.sd-skip:focus { left: 0; }
:focus-visible { outline: 3px solid #6cc4a4; outline-offset: 2px; border-radius: 4px; }

.sd-head {
  position: sticky; top: 0; z-index: 100;
  background: rgba(246, 243, 234, .82);
  backdrop-filter: saturate(170%) blur(12px);
  -webkit-backdrop-filter: saturate(170%) blur(12px);
  border-bottom: 1px solid rgba(200, 191, 166, .55);
}
.sd-head::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, var(--green-700), var(--green) 45%, var(--gold) 100%); opacity: .9; }
.sd-head__inner { display: flex; align-items: center; gap: 18px; min-height: 66px; }
.sd-brand { display: inline-flex; align-items: center; gap: 11px; min-height: 44px; font-family: var(--serif); font-weight: 600; font-size: 1.36rem; color: var(--ink); letter-spacing: -.02em; }
.sd-brand:hover { text-decoration: none; }
.sd-brand__mark {
  width: 32px; height: 32px; border-radius: 8px; flex: none;
  background: var(--green-700);
  box-shadow: var(--sh-1);
  position: relative; overflow: hidden;
}
.sd-brand__mark::after { content: ""; position: absolute; left: 50%; bottom: 8px; transform: translateX(-50%); width: 16px; height: 2.5px; border-radius: 2px; background: #f1e6cf; }
.sd-brand__mark span { position: absolute; left: 50%; top: 8px; transform: translateX(-50%); width: 7px; height: 7px; border-radius: 50%; background: var(--gold); font-size: 0; line-height: 0; color: transparent; }
.sd-nav { display: flex; align-items: center; gap: 2px; margin-left: auto; }
.sd-nav a {
  position: relative; font-family: var(--sans); font-size: .95rem; font-weight: 550; color: var(--ink-soft);
  padding: 9px 14px; border-radius: var(--r-sm); min-height: 44px; display: inline-flex; align-items: center;
  transition: color .15s ease, background .15s ease;
}
.sd-nav a::after { content: ""; position: absolute; left: 14px; right: 14px; bottom: 7px; height: 2px; background: var(--green); border-radius: 2px; transform: scaleX(0); transform-origin: left; transition: transform .22s var(--ease); }
.sd-nav a:hover { color: var(--ink); text-decoration: none; }
.sd-nav a:hover::after, .sd-nav a[aria-current="page"]::after { transform: scaleX(1); }
.sd-nav a[aria-current="page"] { color: var(--green-700); }
.sd-burger { display: none; margin-left: auto; background: var(--surface); border: 1px solid var(--line-strong); border-radius: var(--r-sm); width: 46px; height: 46px; align-items: center; justify-content: center; cursor: pointer; color: var(--ink); box-shadow: var(--sh-1); }
.sd-burger svg { width: 22px; height: 22px; }

@media (max-width: 880px) {
  .sd-nav {
    position: fixed; inset: 69px 0 auto 0; flex-direction: column; align-items: stretch; gap: 0;
    background: var(--paper); border-bottom: 1px solid var(--line-strong); padding: 10px 16px 18px;
    transform: translateY(-14px); opacity: 0; pointer-events: none; transition: .2s var(--ease); box-shadow: var(--sh-2); z-index: 160;
  }
  .sd-nav.is-open { transform: none; opacity: 1; pointer-events: auto; }
  .sd-nav a { padding: 13px 12px; border-bottom: 1px solid var(--line); }
  .sd-nav a::after { display: none; }
  .sd-burger { display: inline-flex; }
}

.sd-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  font-family: var(--sans); font-weight: 600; font-size: .98rem; letter-spacing: -.01em;
  padding: 13px 24px; min-height: 50px; border-radius: var(--r); cursor: pointer;
  border: 1px solid transparent; transition: transform .12s var(--ease), box-shadow .2s ease, background .2s ease, border-color .2s ease;
  position: relative;
}
.sd-btn:hover { text-decoration: none; }
.sd-btn:active { transform: translateY(1px); }
.sd-btn .arr { transition: transform .2s var(--ease); }
.sd-btn:hover .arr { transform: translateX(4px); }
.sd-btn--primary { background: linear-gradient(160deg, var(--green-600), var(--green-700)); color: #fff; box-shadow: var(--sh-2), inset 0 1px 0 rgba(255,255,255,.18); }
.sd-btn--primary:hover { background: linear-gradient(160deg, var(--green-700), var(--green-800)); box-shadow: var(--sh-3), inset 0 1px 0 rgba(255,255,255,.18); color: #fff; transform: translateY(-2px); }
.sd-btn--ghost { background: var(--surface); color: var(--ink); border-color: var(--line-strong); box-shadow: var(--sh-1); }
.sd-btn--ghost:hover { background: var(--surface-2); border-color: var(--muted); transform: translateY(-2px); box-shadow: var(--sh-2); }
.sd-btn--gold { background: linear-gradient(160deg, var(--gold), var(--gold-600)); color: #fff; box-shadow: var(--sh-gold), inset 0 1px 0 rgba(255,255,255,.22); }
.sd-btn--gold:hover { background: linear-gradient(160deg, var(--gold-600), #7f5512); color: #fff; transform: translateY(-2px); }

.sd-hero { position: relative; padding: 64px 0 48px; }
.sd-hero__grid { display: grid; grid-template-columns: 1.04fr .96fr; gap: 52px; align-items: center; }
.sd-hero h1 { margin: 0 0 .4em; }
.sd-hero__sub { font-size: 1.24rem; color: var(--ink-soft); max-width: 34ch; line-height: 1.55; }
.sd-hero__cta { display: flex; flex-wrap: wrap; gap: 13px; margin-top: 30px; }
.sd-hero__meta { margin-top: 26px; padding-top: 22px; border-top: 1px solid var(--line); font-size: .9rem; color: var(--muted); display: flex; flex-wrap: wrap; gap: 8px 26px; }
.sd-hero__meta span { display: inline-flex; align-items: center; gap: 8px; }
.sd-hero__meta span::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 3px var(--green-50); }
.sd-hero__meta b { color: var(--ink); font-weight: 650; }
@media (max-width: 920px) { .sd-hero__grid { grid-template-columns: 1fr; gap: 38px; } .sd-hero__sub { max-width: 46ch; } }

.sd-map {
  background:
    linear-gradient(180deg, var(--surface), var(--surface-2));
  border: 1px solid var(--line-2); border-radius: var(--r-xl); padding: 26px 26px 22px;
  box-shadow: var(--sh-3); position: relative; overflow: hidden;
}
.sd-map::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(var(--line) 1px, transparent 1px); background-size: 100% 30px; opacity: .25; pointer-events: none; mask-image: linear-gradient(180deg, transparent, #000 40%); }
.sd-map__cap { display: flex; align-items: center; justify-content: space-between; margin-bottom: 6px; position: relative; }
.sd-map__title { font-family: var(--sans); font-weight: 700; font-size: .74rem; letter-spacing: .14em; text-transform: uppercase; color: var(--faint); }
.sd-map__live { font-family: var(--sans); font-size: .7rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--green-700); background: var(--green-50); border: 1px solid var(--green-100); padding: 3px 9px; border-radius: 999px; display: inline-flex; align-items: center; gap: 6px; }
.sd-map__live::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--green); animation: sd-pulse 2s ease-in-out infinite; }
@keyframes sd-pulse { 0%,100% { opacity: 1; box-shadow: 0 0 0 0 rgba(16,128,95,.4);} 50% { opacity:.6; box-shadow: 0 0 0 5px rgba(16,128,95,0);} }
.sd-map__svg { width: 100%; height: auto; position: relative; overflow: visible; }
.sd-dash { stroke-dasharray: 7 9; animation: sd-flowdash 1.1s linear infinite; }
@keyframes sd-flowdash { to { stroke-dashoffset: -32; } }
.sd-map__node { transition: transform .2s var(--ease); }
.sd-map__coin { animation: sd-coin 4.5s var(--ease) infinite; }
@keyframes sd-coin { 0% { offset-distance: 0%; opacity: 0; } 8% { opacity: 1; } 92% { opacity: 1; } 100% { offset-distance: 100%; opacity: 0; } }
.sd-map__legend { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; margin-top: 4px; position: relative; }
.sd-map__leg { text-align: center; }
.sd-map__leg b { display: block; font-size: .82rem; font-weight: 650; color: var(--ink); }
.sd-map__leg span { font-size: .68rem; color: var(--muted); }
.sd-map__lands { display: flex; align-items: center; justify-content: center; gap: 10px; flex-wrap: wrap; margin-top: 16px; padding-top: 16px; border-top: 1px dashed var(--line-2); position: relative; font-size: .78rem; color: var(--muted); }
.sd-map__lands .usd { font-weight: 700; color: var(--ink); font-variant-numeric: tabular-nums; }
.sd-map__lands .ccy { font-family: var(--sans); font-weight: 700; font-size: .72rem; padding: 3px 9px; border-radius: 6px; background: var(--gold-50); color: var(--gold-600); border: 1px solid var(--gold-100); }
.sd-map__lands .arrowto { color: var(--green); font-weight: 800; }
@media (prefers-reduced-motion: reduce) { .sd-dash { animation: none !important; } .sd-map__live::before { animation: none; } }

.sd-flow { background: var(--surface); border: 1px solid var(--line-2); border-radius: var(--r-lg); padding: 24px; box-shadow: var(--sh-3); }
.sd-flow__title { font-family: var(--sans); font-weight: 700; font-size: .76rem; letter-spacing: .13em; text-transform: uppercase; color: var(--faint); margin: 0 0 18px; }
.sd-flow__steps { display: grid; gap: 14px; }
.sd-flow__step { display: grid; grid-template-columns: 38px 1fr; gap: 15px; align-items: start; position: relative; }
.sd-flow__step:not(:last-child)::after { content: ""; position: absolute; left: 18px; top: 40px; bottom: -14px; width: 2px; background: linear-gradient(var(--line-strong), transparent); }
.sd-flow__num { width: 38px; height: 38px; border-radius: 50%; flex: none; z-index: 1; display: grid; place-items: center; font-family: var(--serif); font-weight: 600; font-size: 1.1rem; background: var(--green-50); color: var(--green-700); border: 1px solid var(--green-100); box-shadow: var(--sh-1); }
.sd-flow__step:nth-child(4) .sd-flow__num { background: var(--gold-50); color: var(--gold-600); border-color: var(--gold-100); }
.sd-flow__h { font-weight: 650; font-size: 1rem; margin: 5px 0 2px; }
.sd-flow__p { font-size: .9rem; color: var(--muted); margin: 0; }

.sd-grid { display: grid; gap: 22px; }
.sd-grid--3 { grid-template-columns: repeat(3, 1fr); }
.sd-grid--2 { grid-template-columns: repeat(2, 1fr); }
.sd-grid--4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 940px) { .sd-grid--3, .sd-grid--4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .sd-grid--2, .sd-grid--3, .sd-grid--4 { grid-template-columns: 1fr; } }

.sd-card { background: var(--surface); border: 1px solid var(--line-2); border-radius: var(--r); padding: 24px; box-shadow: var(--sh-1); transition: border-color .2s ease, box-shadow .25s ease, transform .18s var(--ease); position: relative; }
.sd-card h3 { margin: 0 0 .3em; font-size: 1.17rem; }
.sd-card p { margin: 0; color: var(--muted); font-size: .96rem; }
.sd-card--link { display: block; }
.sd-card--link::after { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; border-radius: var(--r) 0 0 var(--r); background: linear-gradient(var(--green), var(--green-700)); opacity: 0; transition: opacity .25s ease; }
.sd-card--link:hover { border-color: var(--line-strong); box-shadow: var(--sh-3); transform: translateY(-4px); text-decoration: none; }
.sd-card--link:hover::after { opacity: 1; }
.sd-card--link:hover h3 { color: var(--green-700); }

.sd-chan { display: inline-flex; align-items: center; gap: 11px; }
.sd-chan__badge { width: 42px; height: 42px; border-radius: 11px; flex: none; display: grid; place-items: center; color: #fff; box-shadow: var(--sh-1), inset 0 1px 0 rgba(255,255,255,.2); }
.sd-chan__badge svg { width: 22px; height: 22px; }
.sd-chan__badge--amz { background: linear-gradient(150deg, #3a4250, #262c38); }
.sd-chan__badge--shop { background: linear-gradient(150deg, #6d9434, #4e6f23); }
.sd-chan__badge--pod { background: linear-gradient(150deg, #9c5a8c, #6f3c63); }
.sd-chan__badge--drop { background: linear-gradient(150deg, #2a749f, #1a4f6f); }

.sd-tablewrap { overflow-x: auto; border: 1px solid var(--line-2); border-radius: var(--r); background: var(--surface); box-shadow: var(--sh-1); -webkit-overflow-scrolling: touch; position: relative; }
table.sd-table { width: 100%; border-collapse: collapse; font-size: .94rem; min-width: 560px; }
.sd-table caption { text-align: left; font-size: .82rem; color: var(--muted); padding: 14px 18px; border-bottom: 1px solid var(--line); font-family: var(--sans); background: var(--surface-2); }
.sd-table th, .sd-table td { padding: 13px 18px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
.sd-table thead th { font-family: var(--sans); font-size: .72rem; letter-spacing: .07em; text-transform: uppercase; color: var(--faint); font-weight: 700; background: var(--surface-2); }
.sd-table tbody tr { transition: background .12s ease; }
.sd-table tbody tr:nth-child(even) { background: rgba(244, 240, 230, .45); }
.sd-table tbody tr:last-child td { border-bottom: 0; }
.sd-table tbody tr:hover { background: var(--green-50); }
.sd-table .num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; font-feature-settings: "tnum" 1; color: var(--ink); }
.sd-table td strong { color: var(--ink); }

.sd-note { border-radius: var(--r); padding: 18px 20px 18px 54px; margin: 1.7em 0; border: 1px solid var(--line); position: relative; font-size: .96rem; box-shadow: var(--sh-1); }
.sd-note::before { content: ""; position: absolute; left: 18px; top: 18px; width: 24px; height: 24px; background-repeat: no-repeat; background-position: center; background-size: contain; }
.sd-note__t { font-family: var(--sans); font-weight: 700; font-size: .8rem; letter-spacing: .04em; text-transform: uppercase; margin: 0 0 .4em; }
.sd-note p:last-child { margin: 0; }
.sd-note--warn { background: var(--danger-50); border-color: var(--danger-100); }
.sd-note--warn .sd-note__t { color: var(--danger); }
.sd-note--warn::before { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23b23121' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M10.3 3.7 1.8 18a2 2 0 0 0 1.7 3h17a2 2 0 0 0 1.7-3L13.7 3.7a2 2 0 0 0-3.4 0Z'/%3E%3Cpath d='M12 9v4M12 17h.01'/%3E%3C/svg%3E"); }
.sd-note--info { background: var(--info-50); border-color: var(--info-100); }
.sd-note--info .sd-note__t { color: var(--info); }
.sd-note--info::before { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231f5f86' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='10'/%3E%3Cpath d='M12 16v-4M12 8h.01'/%3E%3C/svg%3E"); }
.sd-note--tip { background: var(--green-50); border-color: var(--green-100); }
.sd-note--tip .sd-note__t { color: var(--green-700); }
.sd-note--tip::before { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230a563f' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M9 18h6M10 22h4M12 2a7 7 0 0 0-4 12.7c.6.5 1 1.3 1 2.1h6c0-.8.4-1.6 1-2.1A7 7 0 0 0 12 2Z'/%3E%3C/svg%3E"); }

.sd-spon {
  background:
    radial-gradient(120% 100% at 100% 0%, var(--gold-50), transparent 55%),
    linear-gradient(180deg, #fffdf7, var(--surface));
  border: 1px solid var(--gold-100); border-radius: var(--r-lg); padding: 26px; position: relative; overflow: hidden;
  box-shadow: var(--sh-2);
}
.sd-spon::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, var(--gold), var(--gold-600)); }
.sd-spon__tag { display: inline-flex; align-items: center; gap: 7px; font-family: var(--sans); font-weight: 700; font-size: .67rem; letter-spacing: .13em; text-transform: uppercase; color: var(--gold-600); background: var(--gold-50); border: 1px solid var(--gold-100); padding: 4px 11px; border-radius: 999px; }
.sd-spon__tag::before { content: ""; width: 7px; height: 7px; border-radius: 2px; background: var(--gold); transform: rotate(45deg); }
.sd-spon h3 { margin: .75em 0 .35em; }
.sd-spon__row { display: grid; grid-template-columns: 1fr; gap: 20px; }
.sd-spon__pros { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 26px; margin: 16px 0 20px; font-size: .92rem; list-style: none; padding: 0; }
.sd-spon__pros li { padding-left: 26px; position: relative; color: var(--ink-soft); }
.sd-spon__pros li::before { position: absolute; left: 0; top: 1px; width: 18px; height: 18px; border-radius: 50%; display: grid; place-items: center; font-weight: 800; font-size: .8rem; line-height: 1; }
.sd-spon__pros li.pro::before { content: "+"; color: var(--green-700); background: var(--green-50); border: 1px solid var(--green-100); }
.sd-spon__pros li.con::before { content: "\2212"; color: var(--danger); background: var(--danger-50); border: 1px solid var(--danger-100); }
.sd-spon__fine { font-size: .8rem; color: var(--muted); margin: 14px 0 0; padding-top: 14px; border-top: 1px dashed var(--gold-100); line-height: 1.5; }
@media (max-width: 620px) { .sd-spon__pros { grid-template-columns: 1fr; } }

.sd-sponcard { background: var(--surface); border: 1px dashed var(--gold-100); border-radius: var(--r); padding: 18px; box-shadow: var(--sh-1); }
.sd-sponcard p { font-size: .9rem; color: var(--muted); margin: .6em 0 0; }

.sd-toc { background: linear-gradient(180deg, var(--surface-2), var(--surface)); border: 1px solid var(--line-2); border-radius: var(--r); padding: 20px 22px; margin: 0 0 30px; box-shadow: var(--sh-1); }
.sd-toc__t { font-family: var(--sans); font-weight: 700; font-size: .74rem; letter-spacing: .12em; text-transform: uppercase; color: var(--faint); margin: 0 0 12px; display: flex; align-items: center; gap: 8px; }
.sd-toc__t::before { content: ""; width: 14px; height: 14px; background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%238b94a1' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M8 6h13M8 12h13M8 18h13M3 6h.01M3 12h.01M3 18h.01'/%3E%3C/svg%3E") center/contain no-repeat; }
.sd-toc ol { margin: 0; padding: 0; counter-reset: toc; list-style: none; columns: 2; column-gap: 30px; font-size: .94rem; }
.sd-toc li { margin: 0 0 9px; break-inside: avoid; counter-increment: toc; }
.sd-toc li a { color: var(--ink-soft); display: inline-flex; align-items: center; gap: 9px; min-height: 44px; }
.sd-toc li a::before { content: counter(toc, decimal-leading-zero); font-variant-numeric: tabular-nums; color: var(--green); font-weight: 700; font-size: .8rem; opacity: .8; }
.sd-toc li a:hover { color: var(--green-700); text-decoration: none; }
@media (max-width: 600px) { .sd-toc ol { columns: 1; } }

.sd-toc-float { position: fixed; top: 100px; width: 214px; max-height: 72vh; overflow-y: auto; font-size: .86rem; padding-right: 6px; opacity: 0; transform: translateX(-8px); transition: opacity .3s ease, transform .3s ease; z-index: 40; }
.sd-toc-float::-webkit-scrollbar { width: 6px; }
.sd-toc-float::-webkit-scrollbar-thumb { background: var(--line-strong); border-radius: 3px; }
.sd-toc-float.is-on { opacity: 1; transform: none; }
.sd-toc-float h5 { font-family: var(--sans); font-weight: 700; font-size: .68rem; letter-spacing: .12em; text-transform: uppercase; color: var(--faint); margin: 0 0 12px; }
.sd-toc-float ul { list-style: none; margin: 0; padding: 0; border-left: 2px solid var(--line-2); }
.sd-toc-float li a { display: block; padding: 5px 0 5px 14px; margin-left: -2px; border-left: 2px solid transparent; color: var(--muted); line-height: 1.35; transition: color .15s ease, border-color .15s ease; }
.sd-toc-float li a:hover { color: var(--ink); text-decoration: none; }
.sd-toc-float li a.is-active { color: var(--green-700); border-left-color: var(--green); font-weight: 600; }

.sd-article { padding: 44px 0 64px; }
.sd-article__head { border-bottom: 1px solid var(--line); padding-bottom: 26px; margin-bottom: 32px; }
.sd-meta { display: flex; flex-wrap: wrap; gap: 7px 16px; font-size: .86rem; color: var(--muted); margin-top: 16px; align-items: center; }
.sd-meta .dot { width: 3px; height: 3px; border-radius: 50%; background: var(--line-strong); }
.sd-stamp { display: inline-flex; align-items: center; gap: 7px; font-size: .8rem; font-weight: 600; color: var(--green-700); background: var(--green-50); border: 1px solid var(--green-100); border-radius: 999px; padding: 4px 12px; }
.sd-stamp::before { content: ""; width: 13px; height: 13px; background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230a563f' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center/contain no-repeat; }
.sd-prose { font-size: 1.06rem; }
.sd-prose p, .sd-prose ul, .sd-prose ol { max-width: 68ch; }
.sd-prose--lead > p:first-of-type::first-letter { font-family: var(--serif); font-weight: 600; float: left; font-size: 3.5em; line-height: .78; padding: .05em .14em 0 0; color: var(--green-700); }
.sd-prose ul, .sd-prose ol { margin: 0 0 1.3em; padding-left: 1.4em; }
.sd-prose li { margin: 0 0 .55em; }
.sd-prose li::marker { color: var(--green); }
.sd-prose h2 { scroll-margin-top: 90px; }
.sd-prose h3 { scroll-margin-top: 90px; }
.sd-prose h2 + p, .sd-prose h3 + p { margin-top: 0; }
.sd-prose blockquote { margin: 1.8em 0; padding: 6px 0 6px 26px; border-left: 3px solid var(--green); color: var(--ink-soft); font-family: var(--serif); font-style: italic; font-size: 1.28rem; line-height: 1.45; }
.sd-keytakeaway { background: linear-gradient(180deg, var(--green-50), var(--surface)); border: 1px solid var(--green-100); border-radius: var(--r); padding: 22px 24px; margin: 0 0 32px; box-shadow: var(--sh-1); position: relative; }
.sd-keytakeaway h2 { margin: 0 0 .5em; font-size: 1.08rem; font-family: var(--sans); font-weight: 700; letter-spacing: 0; color: var(--green-800); }
.sd-keytakeaway ul { margin: 0; padding-left: 1.25em; }
.sd-keytakeaway li { margin: 0 0 .4em; }
.sd-keytakeaway li::marker { color: var(--green); }

.sd-author { display: flex; gap: 17px; align-items: flex-start; background: linear-gradient(180deg, var(--surface-2), var(--surface)); border: 1px solid var(--line-2); border-radius: var(--r); padding: 22px; margin: 40px 0 0; box-shadow: var(--sh-1); }
.sd-author__pic { width: 56px; height: 56px; border-radius: 50%; flex: none; background: linear-gradient(145deg, #1aa078, var(--green-700)); color: #fff; display: grid; place-items: center; font-family: var(--serif); font-size: 1.5rem; font-weight: 600; box-shadow: var(--sh-1), inset 0 1px 0 rgba(255,255,255,.25); }
.sd-author__b { font-size: .92rem; color: var(--muted); }
.sd-author__b strong { color: var(--ink); }

.sd-faq details { border: 1px solid var(--line-2); border-radius: var(--r); margin: 0 0 13px; background: var(--surface); overflow: hidden; box-shadow: var(--sh-1); transition: box-shadow .2s ease, border-color .2s ease; }
.sd-faq details[open] { box-shadow: var(--sh-2); border-color: var(--line-strong); }
.sd-faq summary { cursor: pointer; padding: 18px 22px; font-weight: 600; font-size: 1.03rem; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 16px; min-height: 44px; color: var(--ink); }
.sd-faq summary::-webkit-details-marker { display: none; }
.sd-faq summary::after { content: ""; width: 20px; height: 20px; flex: none; background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230a563f' stroke-width='2.4' stroke-linecap='round'%3E%3Cpath d='M12 5v14M5 12h14'/%3E%3C/svg%3E") center/contain no-repeat; transition: transform .25s var(--ease); }
.sd-faq details[open] summary::after { transform: rotate(135deg); }
.sd-faq details[open] summary { border-bottom: 1px solid var(--line); }
.sd-faq__a { padding: 16px 22px 20px; color: var(--ink-soft); font-size: .98rem; }
.sd-faq__a p:last-child { margin: 0; }

.sd-chips { display: flex; flex-wrap: wrap; gap: 9px; }
.sd-chip { font-family: var(--sans); font-size: .8rem; font-weight: 600; color: var(--ink-soft); background: var(--surface); border: 1px solid var(--line-strong); border-radius: 999px; padding: 6px 14px; box-shadow: var(--sh-1); }
.sd-chip--green { color: var(--green-700); background: var(--green-50); border-color: var(--green-100); }
.sd-chip--gold { color: var(--gold-600); background: var(--gold-50); border-color: var(--gold-100); }

.sd-flag { display: inline-block; width: 30px; height: 20px; border-radius: 4px; vertical-align: -2px; box-shadow: inset 0 0 0 1px rgba(0,0,0,.10), var(--sh-1); }
.sd-mkt__top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.sd-mkt__ccy { font-family: var(--sans); font-weight: 700; font-size: .72rem; letter-spacing: .08em; color: var(--gold-600); background: var(--gold-50); border: 1px solid var(--gold-100); padding: 4px 10px; border-radius: 7px; }
.sd-mkt__go { display: inline-flex; align-items: center; gap: 7px; margin-top: 16px; font-family: var(--sans); font-weight: 600; font-size: .92rem; color: var(--green-700); }
.sd-mkt__go .arr { transition: transform .2s var(--ease); }
.sd-card--link:hover .sd-mkt__go .arr { transform: translateX(4px); }

.sd-cta { position: relative; background: linear-gradient(150deg, #0d2b22 0%, #103f30 55%, #14241d 100%); color: #eaf2ee; border-radius: var(--r-xl); padding: 52px 48px; overflow: hidden; box-shadow: var(--sh-3); }
.sd-cta::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px); background-size: 100% 32px; opacity: .5; mask-image: radial-gradient(120% 120% at 100% 0%, #000, transparent 70%); }
.sd-cta::after { content: ""; position: absolute; top: -40%; right: -10%; width: 460px; height: 460px; border-radius: 50%; background: radial-gradient(circle, rgba(176,125,36,.28), transparent 62%); pointer-events: none; }
.sd-cta__in { position: relative; max-width: 620px; }
.sd-cta h2 { color: #fff; margin: .35em 0 .4em; }
.sd-cta p { color: #b9cdc4; font-size: 1.12rem; margin: 0 0 26px; }
.sd-cta .sd-eyebrow { color: #5fd3aa; }
.sd-cta .sd-eyebrow::before { background: linear-gradient(90deg, #5fd3aa, transparent); }
.sd-cta__btns { display: flex; flex-wrap: wrap; gap: 13px; }
.sd-cta .sd-btn--ghost { background: rgba(255,255,255,.07); border-color: rgba(255,255,255,.22); color: #fff; }
.sd-cta .sd-btn--ghost:hover { background: rgba(255,255,255,.13); border-color: rgba(255,255,255,.4); }
@media (max-width: 560px) { .sd-cta { padding: 38px 26px; } }

.sd-shead { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 28px; }
.sd-shead h2 { margin: 0; }
.sd-shead a { font-family: var(--sans); font-size: .95rem; font-weight: 600; white-space: nowrap; display: inline-flex; align-items: center; gap: 6px; }
.sd-shead a .arr { transition: transform .2s var(--ease); }
.sd-shead a:hover .arr { transform: translateX(4px); }

.sd-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line-2); border: 1px solid var(--line-2); border-radius: var(--r); overflow: hidden; box-shadow: var(--sh-2); }
.sd-stats__c { background: var(--surface); padding: 26px 22px; transition: background .2s ease; }
.sd-stats__c:hover { background: var(--surface-2); }
.sd-stats__n { font-family: var(--serif); font-size: 2.3rem; font-weight: 600; color: var(--green-700); line-height: 1; letter-spacing: -.02em; }
.sd-stats__l { font-size: .87rem; color: var(--muted); margin-top: 9px; line-height: 1.4; }
@media (max-width: 720px) { .sd-stats { grid-template-columns: 1fr 1fr; } }

.sd-disc { font-size: .82rem; color: var(--muted); background: var(--surface-2); border-left: 3px solid var(--gold); padding: 11px 15px; border-radius: 0 var(--r-sm) var(--r-sm) 0; margin: 0 0 1.5em; box-shadow: var(--sh-1); }

.sd-crumb { font-size: .84rem; color: var(--muted); padding: 20px 0 0; display: flex; gap: 8px; align-items: center; }
.sd-crumb a { color: var(--muted); display: inline-flex; align-items: center; justify-content: center; min-width: 44px; min-height: 44px; }
.sd-crumb a:hover { color: var(--green-700); }

.sd-inter { min-height: 72vh; display: grid; place-items: center; padding: 44px 0; }
.sd-inter__card { max-width: 560px; background: var(--surface); border: 1px solid var(--line-2); border-radius: var(--r-xl); padding: 40px; box-shadow: var(--sh-3); text-align: center; }

.sd-progress { position: fixed; top: 0; left: 0; height: 3px; width: 0; background: linear-gradient(90deg, var(--green), var(--gold)); z-index: 120; transition: width .1s linear; }

.sd-foot { background: #141b25; color: #c4cbd4; margin-top: 80px; position: relative; }
.sd-foot::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, var(--green-700), var(--green) 45%, var(--gold)); }
.sd-foot a { color: #d6dce3; }
.sd-foot a:hover { color: #fff; }
.sd-foot__top { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.3fr; gap: 38px; padding: 58px 0 44px; }
.sd-foot__brand { font-family: var(--serif); font-size: 1.45rem; color: #fff; display: inline-flex; align-items: center; gap: 11px; min-height: 44px; }
.sd-foot__brand .sd-brand__mark { background: var(--green); }
.sd-foot p { font-size: .9rem; line-height: 1.65; color: #98a2ae; }
.sd-foot h4 { color: #fff; font-family: var(--sans); font-size: .76rem; letter-spacing: .12em; text-transform: uppercase; margin: 0 0 16px; }
.sd-foot ul { list-style: none; margin: 0; padding: 0; }
.sd-foot li { margin: 0 0 10px; font-size: .92rem; }
.sd-foot li a, .sd-foot p a, .sd-foot__bottom a { color: #aab2bd; transition: color .15s ease, padding .15s ease; display: inline-flex; align-items: center; justify-content: center; min-width: 44px; min-height: 44px; }
.sd-foot li a:hover { color: #fff; padding-left: 3px; }
.sd-foot__bottom { border-top: 1px solid #28313d; padding: 22px 0 42px; font-size: .82rem; color: #828d9b; display: flex; flex-wrap: wrap; gap: 10px 24px; justify-content: space-between; }
.sd-foot__bottom a { color: #aab2bd; }
@media (max-width: 880px) { .sd-foot__top { grid-template-columns: 1fr 1fr; gap: 32px; } }
@media (max-width: 520px) { .sd-foot__top { grid-template-columns: 1fr; } }

.sd-reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.sd-reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .sd-reveal { opacity: 1 !important; transform: none !important; transition: none; } html { scroll-behavior: auto; } }

.sd-mt0 { margin-top: 0; }
.sd-center { text-align: center; }
.sd-muted { color: var(--muted); }
@media (max-width: 600px) { .sd-hidemob { display: none; } }

/* invite-code box: code only, no outbound link */
.sd-codebox { border: 1px solid #e3cf9c; border-radius: 12px; padding: 15px 17px; background: #fffaf0; margin: 22px 0 6px; max-width: 62ch; }
.sd-codebox__tag { display: inline-flex; align-items: center; font-family: var(--sans); font-weight: 700; font-size: .66rem; letter-spacing: .08em; color: #8a5e10; background: #f6e7c4; border: 1px solid #e3cf9c; padding: 3px 9px; border-radius: 999px; }
.sd-codebox__t { font-family: var(--serif); font-weight: 600; font-size: 1.04rem; color: var(--ink); margin: .55em 0 .3em; }
.sd-codebox__p { font-family: var(--sans); font-size: .88rem; line-height: 1.7; color: var(--muted); margin: 0; }
.sd-codebox__code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .95rem; font-weight: 700; color: #7a5310; background: #f6e7c4; border: 1px dashed #d8bf85; padding: 2px 9px; border-radius: 6px; user-select: all; }