:root{
  --bg:#F8F2E7;
  --bg-panel:#FFFCF6;
  --bg-panel-2:#F0E6D6;
  --border:#E3D6C2;
  --accent:#7442E0;
  --accent-dark:#4E22A8;
  --accent-soft:#C79BEA;
  --lime:#C9F04F;
  --text:#2A1F17;
  --text-muted:#6E6052;
  --success:#2F8A57;
  --warn:#C77A12;
  --error:#C2412D;
  --white:#FFFFFF;
  --flag-red:#D3313F;
  --flag-blue:#2F3C8E;
  --transparent:transparent;
  --font-display:"Inter","Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-body:"Inter","Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:"JetBrains Mono",ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
  --r-panel:24px;
  --r-card:28px;
  --r-slide:18px;
  --r-btn:16px;
  --r-pill:999px;
  --r-small:8px;
  --r-menu:20px;
  --r-item:12px;
  --r-halo:44px;
  --r-halo-mobile:36px;
  --r-outer-slide:14px;
  --grain-alpha:.03;
  --gutter:24px;
  --wrap-width:1240px;
  --reading-width:800px;
  --header-height:68px;
  --anchor-offset:84px;
  --toc-offset:148px;
  --weight-body:400;
  --weight-medium:600;
  --weight-bold:700;
  --weight-heavy:800;
  --weight-display:900;
  --display-size:clamp(3.25rem,4.72vw,4.25rem);
  --display-leading:1.08;
  --display-tracking:-.03em;
  --section-size:clamp(2rem,3.4vw,2.75rem);
  --body-size:16px;
  --small-size:14px;
  --mono-size:12px;
  --aura-violet:color-mix(in srgb,var(--accent) 10%,transparent);
  --aura-mauve:color-mix(in srgb,var(--accent-soft) 4%,transparent);
  --aura-mauve-soft:color-mix(in srgb,var(--accent-soft) 9%,transparent);
  --announce-bg:color-mix(in srgb,var(--accent) 17%,var(--bg));
  --tint-accent:color-mix(in srgb,var(--accent) 12%,var(--bg-panel));
  --ring-accent:color-mix(in srgb,var(--accent) 34%,transparent);
  --halo-fill:color-mix(in srgb,var(--white) 52%,transparent);
  --halo-line:color-mix(in srgb,var(--white) 85%,transparent);
  --hi-line:color-mix(in srgb,var(--white) 62%,transparent);
  --panel-edge:color-mix(in srgb,var(--border) 70%,transparent);
  --glass-chip:color-mix(in srgb,var(--white) 22%,transparent);
  --slide-a:color-mix(in srgb,var(--accent) 74%,transparent);
  --slide-b:color-mix(in srgb,var(--accent-soft) 64%,transparent);
  --dash:color-mix(in srgb,var(--accent) 58%,transparent);
  --fact-fill:color-mix(in srgb,var(--bg-panel) 78%,transparent);
  --veil-fill:color-mix(in srgb,var(--text) 28%,transparent);
  --sh-accent-10:color-mix(in srgb,var(--accent) 10%,transparent);
  --sh-accent-12:color-mix(in srgb,var(--accent) 12%,transparent);
  --sh-accent-14:color-mix(in srgb,var(--accent) 14%,transparent);
  --sh-accent-22:color-mix(in srgb,var(--accent-dark) 22%,transparent);
  --shadow-panel:0 28px 64px -28px var(--sh-accent-14),0 10px 24px -14px var(--sh-accent-10);
  --shadow-slide:0 22px 46px -20px var(--sh-accent-22),0 6px 16px -10px var(--sh-accent-12);
  --shadow-halo:0 34px 80px -34px var(--sh-accent-22),0 12px 40px -20px var(--sh-accent-12);
  --ease-ui:cubic-bezier(.2,.7,.2,1);
  --time-ui:.18s;
  --time-reveal:.6s;
}
*,*::before,*::after{box-sizing:border-box}
html{background:var(--bg);color:var(--text);-webkit-text-size-adjust:100%;scroll-padding-top:var(--anchor-offset);scroll-behavior:smooth}
body{margin:0;font-family:var(--font-body);font-size:var(--body-size);line-height:1.6;color:var(--text);-webkit-font-smoothing:antialiased;isolation:isolate}
body::before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:var(--grain-alpha);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='g'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1.6 0 0 0 -.3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23g)'/%3E%3C/svg%3E")}
a{color:inherit;text-underline-offset:.2em}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
button,summary,a{-webkit-tap-highlight-color:var(--tint-accent)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:var(--r-small)}
img{max-width:100%;height:auto}
svg{flex-shrink:0}
[hidden]{display:none!important}
h1,h2,h3,h4{font-family:var(--font-display);color:var(--text);text-wrap:balance;overflow-wrap:break-word}
h1{font-size:var(--display-size);font-weight:var(--weight-display);line-height:1.12;letter-spacing:-.02em}
h2{font-size:var(--section-size);font-weight:var(--weight-display);line-height:1.2;letter-spacing:-.02em}
h3{font-size:24px;font-weight:var(--weight-heavy);line-height:1.35}
p{margin:0 0 16px}
code{font-family:var(--font-mono);font-size:.9em;overflow-wrap:anywhere}
pre{max-width:100%;overflow-x:auto;padding:24px;border-radius:var(--r-panel);background:var(--bg-panel-2);color:var(--text)}
pre code{white-space:pre;overflow-wrap:normal}
.no-break{white-space:nowrap}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.wrap{width:100%;max-width:var(--wrap-width);margin-inline:auto;padding-inline:var(--gutter);min-width:0}
.reading-wrap{width:100%;max-width:var(--reading-width);margin-inline:auto;padding-inline:var(--gutter);min-width:0}
.section{padding-top:80px;padding-bottom:80px}
.section-heading{margin:12px 0 24px}
.eyebrow{margin:0;font-family:var(--font-mono);font-size:var(--mono-size);font-weight:var(--weight-medium);letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}
.muted{color:var(--text-muted)}
.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.grid>*{min-width:0}
.card{min-width:0;padding:28px;background:var(--bg-panel);border-radius:var(--r-card);box-shadow:inset 0 1px 0 var(--white),var(--shadow-panel);border:1px solid var(--panel-edge)}
.well{min-width:0;padding:24px;background:var(--bg-panel-2);border-radius:var(--r-panel)}
.kw{background:linear-gradient(118deg,var(--accent) 8%,var(--accent-dark) 92%);-webkit-background-clip:text;background-clip:text;color:var(--transparent)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:12px 24px;border:0;border-radius:var(--r-btn);font-family:var(--font-body);font-size:16px;font-weight:var(--weight-heavy);text-decoration:none;white-space:nowrap;flex-shrink:0;transition:transform var(--time-ui) var(--ease-ui),box-shadow var(--time-ui) var(--ease-ui),background var(--time-ui) var(--ease-ui)}
.btn svg{width:18px;height:18px}
.btn-primary,.btn--primary{background:var(--accent-dark);color:var(--white);box-shadow:0 12px 24px -14px var(--sh-accent-22)}
.btn-primary:hover,.btn--primary:hover{background:var(--accent);transform:translateY(-1px)}
.btn--go{background:var(--accent-dark);color:var(--white)}
.hero .btn--go{background:var(--lime);color:var(--text);box-shadow:inset 0 1px 0 var(--hi-line),0 12px 24px -14px var(--sh-accent-22)}
.hero .btn--go:hover{transform:translateY(-1px);box-shadow:inset 0 1px 0 var(--hi-line),0 16px 28px -14px var(--sh-accent-22)}
.btn-secondary,.btn--ghost{color:var(--accent-dark);background:var(--transparent);box-shadow:inset 0 0 0 1.5px var(--border)}
.btn-secondary:hover,.btn--ghost:hover{background:var(--tint-accent);box-shadow:inset 0 0 0 1.5px var(--ring-accent)}
.btn:active{transform:translateY(1px)}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.5;cursor:not-allowed;transform:none}
.button-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px}
.ann-toggle{position:absolute;opacity:0;pointer-events:none;width:1px;height:1px}
.announce{position:relative;z-index:30;background:var(--announce-bg);color:var(--text)}
.announce__inner{max-width:1360px;margin:0 auto;min-height:40px;padding:8px 56px;display:flex;align-items:center;justify-content:center}
.announce__text{margin:0;font-size:14px;line-height:1.4}
.announce__lead{font-weight:var(--weight-heavy);margin-right:6px}
.announce__link{display:inline-flex;align-items:center;min-height:24px;font-weight:var(--weight-heavy);text-decoration:none;margin-left:10px}
.announce__link:hover{color:var(--accent-dark)}
.announce__close{position:absolute;right:20px;top:50%;width:28px;height:28px;margin-top:-14px;display:grid;place-items:center;border:0;border-radius:var(--r-pill);background:var(--transparent);cursor:pointer;color:var(--text)}
.announce__close:hover{background:var(--halo-fill)}
.announce__close svg{width:14px;height:14px}
.ann-toggle:checked+.announce{display:none}
.ann-toggle:focus-visible+.announce .announce__close{outline:2px solid var(--accent);outline-offset:2px}
.stage{position:relative;overflow-x:clip;max-width:100%;isolation:isolate}
.aura{position:absolute;inset:0;z-index:0;pointer-events:none}
.aura::before{content:"";position:absolute;inset:0 16% 4% -14%;background:linear-gradient(180deg,var(--aura-violet) 0%,var(--aura-mauve) 58%,var(--transparent) 100%);-webkit-mask-image:radial-gradient(ellipse 64% 72% at 38% 28%,var(--text) 28%,var(--transparent) 100%);mask-image:radial-gradient(ellipse 64% 72% at 38% 28%,var(--text) 28%,var(--transparent) 100%)}
.aura::after{content:"";position:absolute;inset:22% -8% 18% 54%;background:radial-gradient(closest-side,var(--aura-mauve-soft),var(--transparent))}
#site-header{position:relative;z-index:50}
.topbar{position:relative;z-index:20}
.topbar__inner{max-width:1360px;margin:0 auto;height:var(--header-height);padding:0 32px;display:flex;align-items:center;gap:24px}
.brand{display:inline-flex;align-items:center;gap:10px;min-height:30px;text-decoration:none;color:var(--text);flex:none}
.brand__mark{width:30px;height:30px;flex:none}
.brand__word{font-family:var(--font-display);font-weight:var(--weight-display);font-size:22px;letter-spacing:-.03em;line-height:1}
.mainnav{flex:1;display:flex;justify-content:center}
.mainnav__list{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0}
.mainnav__link,.more__btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:38px;padding:8px 14px;border-radius:var(--r-pill);font-family:var(--font-body);font-size:15px;font-weight:var(--weight-medium);color:var(--text);text-decoration:none;background:var(--transparent);border:0;cursor:pointer}
.mainnav__link:hover,.more__btn:hover{background:var(--halo-fill)}
.mainnav__link[aria-current="page"],.more__item[aria-current="page"]{background:var(--bg-panel);color:var(--accent-dark);box-shadow:inset 0 0 0 1px var(--panel-edge)}
.more{position:relative}
.more__btn svg{width:12px;height:12px}
.more__menu{position:absolute;top:calc(100% + 10px);left:50%;width:320px;margin-left:-160px;padding:12px;background:var(--bg-panel);border-radius:var(--r-menu);box-shadow:var(--shadow-panel),inset 0 0 0 1px var(--panel-edge);display:grid;gap:4px}
.more__menu::before{content:"";position:absolute;left:0;right:0;top:-12px;height:12px}
.more__group{margin:0;padding:8px 12px 4px;font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--accent)}
.more__item{display:grid;gap:2px;min-height:44px;padding:8px 12px;border-radius:var(--r-item);text-decoration:none}
.more__item:hover{background:var(--bg-panel-2)}
.more__name{font-size:15px;font-weight:var(--weight-bold);color:var(--text)}
.more__hint{font-size:13px;color:var(--text-muted)}
.topbar__tools{display:flex;align-items:center;gap:8px;flex:none}
.lang{position:relative}
.lang__btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:38px;min-width:44px;width:auto;padding:8px 12px;border:0;background:var(--transparent);border-radius:var(--r-pill);font-family:var(--font-body);font-size:14px;font-weight:var(--weight-medium);color:var(--text-muted);cursor:pointer}
.lang__text{white-space:nowrap}
.lang__btn:hover{background:var(--halo-fill)}
.lang__btn svg{width:16px;height:16px}
.lang__menu{position:absolute;right:0;top:calc(100% + 10px);width:200px;padding:8px;border-radius:var(--r-menu);background:var(--bg-panel);box-shadow:var(--shadow-panel);display:grid;gap:4px}
.lang__menu a{display:flex;align-items:center;min-height:44px;padding:8px 12px;text-decoration:none;border-radius:var(--r-item)}
.lang__menu a:hover,.lang__menu a[aria-current]{background:var(--tint-accent);color:var(--accent-dark)}
.login{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:40px;padding:8px 18px 8px 20px;border-radius:var(--r-pill);background:var(--accent-dark);color:var(--white);font-size:15px;font-weight:var(--weight-bold);text-decoration:none;white-space:nowrap;box-shadow:0 10px 22px -12px var(--sh-accent-22)}
.login:hover{background:var(--accent)}
.login svg{width:16px;height:16px}
.menu-toggle{display:none;align-items:center;justify-content:center;min-width:44px;min-height:44px;border:0;border-radius:var(--r-item);background:var(--bg-panel);color:var(--accent-dark)}
.menu-toggle svg{width:22px;height:22px}
.mobile-drawer{display:none}
.nav-veil{position:fixed;inset:0;z-index:10;border:0;background:var(--veil-fill)}
html.nav-open{overflow:hidden}
.static-more{position:relative}
.static-more>summary{list-style:none}
.static-more>summary::-webkit-details-marker{display:none}
.static-more .more__menu{left:auto;right:0;margin-left:0}
.hero{position:relative;z-index:1;padding:56px 24px 44px}
.hero__inner{max-width:900px;margin:0 auto;display:flex;flex-direction:column;align-items:center;text-align:center}
.hero__inner>*:not(.deck){position:relative;z-index:3}
.hero__badge{display:inline-flex;align-items:center;gap:10px;min-height:32px;margin:0;padding:5px 14px 5px 8px;border-radius:var(--r-pill);background:var(--fact-fill);box-shadow:inset 0 0 0 1px var(--panel-edge),0 8px 20px -14px var(--sh-accent-14);font-size:13.5px;font-weight:var(--weight-medium);color:var(--text)}
.hero__badge svg{width:20px;height:20px;flex:none}
.badge__mono{font-family:var(--font-mono);font-size:11.5px;font-weight:var(--weight-medium);letter-spacing:.1em;color:var(--accent)}
.badge__sep{width:1px;height:14px;background:var(--border);flex-shrink:0}
.hero__title{margin:24px 0 0;font-family:var(--font-display);font-weight:var(--weight-display);font-size:var(--display-size);line-height:var(--display-leading);letter-spacing:var(--display-tracking);color:var(--text)}
.hero__line{display:block}
.device{width:min(760px,100%);margin-top:32px;padding:20px;border-radius:var(--r-halo);background:var(--halo-fill);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:var(--shadow-halo),inset 0 0 0 1px var(--halo-line)}
.panel{min-height:136px;padding:22px 22px 20px 26px;border-radius:var(--r-panel);background:var(--bg-panel);border:1px solid var(--panel-edge);box-shadow:inset 0 1px 0 var(--white),var(--shadow-panel);display:flex;flex-direction:column;justify-content:space-between;gap:18px;text-align:left;min-width:0}
.prompt{display:flex;align-items:center;gap:12px;margin:0;min-height:24px;font-size:16px;line-height:24px;color:var(--text-muted)}
.prompt__icon{width:24px;height:24px;flex:none;display:grid;place-items:center;border-radius:var(--r-small);background:var(--tint-accent);color:var(--accent)}
.prompt__icon svg{width:14px;height:14px}
.prompt__em{color:var(--text);font-weight:var(--weight-medium)}
.prompt__caret{width:2px;height:20px;border-radius:var(--r-small);background:var(--accent);flex:none}
.actions{display:flex;align-items:center;justify-content:space-between;gap:16px}
.lane{display:flex;align-items:center;gap:8px;list-style:none;margin:0;padding:0}
.lane__chip{display:inline-flex;align-items:center;gap:6px;min-height:34px;padding:6px 14px;border-radius:var(--r-pill);background:var(--bg-panel-2);box-shadow:inset 0 1px 2px var(--sh-accent-10);font-size:14px;font-weight:var(--weight-medium);color:var(--text);white-space:nowrap}
.lane__chip svg{width:14px;height:14px;flex:none}
.lane__chip--on{background:var(--tint-accent);color:var(--accent-dark);box-shadow:inset 0 0 0 1.5px var(--ring-accent)}
.cta{display:flex;align-items:center;gap:10px}
.device__floats{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;margin-top:16px}
.float-sec{position:static;z-index:4;display:inline-flex;align-items:center;gap:8px;height:36px;padding:0 16px 0 5px;border-radius:var(--r-pill);background:var(--accent-dark);color:var(--white);font-size:14px;font-weight:var(--weight-bold);white-space:nowrap;box-shadow:0 16px 30px -14px var(--sh-accent-22),inset 0 1px 0 var(--glass-chip)}
.float-sec__dot{width:26px;height:26px;display:grid;place-items:center;border-radius:var(--r-pill);background:var(--glass-chip)}
.float-sec__dot svg{width:15px;height:15px}
.float-pay{position:static;z-index:4;width:188px;padding:12px 14px;border-radius:var(--r-slide);background:var(--bg-panel);border:1px solid var(--panel-edge);box-shadow:inset 0 1px 0 var(--white),var(--shadow-panel);text-align:left;transform:rotate(-2deg)}
.float-pay__label{display:flex;align-items:center;gap:6px;margin:0;font-family:var(--font-mono);font-size:10.5px;letter-spacing:.12em;color:var(--accent)}
.float-pay__label svg{width:13px;height:13px}
.float-pay__value{margin:4px 0 0;font-size:14px;font-weight:var(--weight-heavy);line-height:20px;color:var(--text);white-space:nowrap}
.hero__desc{margin:32px 0 0;max-width:760px;font-size:17px;line-height:28px;color:var(--text-muted)}
.hero__desc strong{color:var(--text);font-weight:var(--weight-bold)}
.hero__note{display:inline-flex;align-items:center;gap:8px;margin:8px 0 0;font-size:14.5px;line-height:22px;color:var(--text-muted)}
.hero__note svg{width:16px;height:16px;color:var(--success);flex:none}
.facts{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin:16px 0 0;padding:0;list-style:none}
.fact{display:inline-flex;align-items:center;gap:8px;min-height:32px;padding:5px 14px 5px 10px;border-radius:var(--r-pill);background:var(--fact-fill);box-shadow:inset 0 0 0 1px var(--border);font-size:13.5px;font-weight:var(--weight-medium);color:var(--text)}
.fact svg{width:16px;height:16px;color:var(--accent);flex:none}
.marks{margin-top:44px;display:grid;grid-template-columns:auto auto;column-gap:24px;row-gap:16px;justify-content:center;align-items:center;color:var(--text);opacity:.55}
.marks__label{font-family:var(--font-mono);font-size:11px;font-weight:var(--weight-medium);letter-spacing:.14em;text-align:right;white-space:nowrap}
.marks__list{display:flex;flex-wrap:wrap;gap:12px 28px;list-style:none;margin:0;padding:0}
.marks__item{display:inline-flex;align-items:center;gap:8px;height:24px;font-size:14px;font-weight:var(--weight-medium);white-space:nowrap}
.plat{width:18px;height:18px;flex:none}
.flag{width:24px;height:16px;flex:none;overflow:hidden;border-radius:3px}
.f-red{fill:var(--flag-red)}
.f-white{fill:var(--white)}
.f-blue{fill:var(--flag-blue)}
.f-edge{fill:none;stroke:var(--border);stroke-width:1}
.deck{position:absolute;inset:0;z-index:1;pointer-events:none}
.slide{position:absolute;aspect-ratio:16/10;padding:14px 16px;border-radius:var(--r-slide);display:flex;flex-direction:column;justify-content:space-between;text-align:left;color:var(--white);background:linear-gradient(140deg,var(--slide-a) 0%,var(--slide-b) 100%);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);box-shadow:inset 0 0 0 1px var(--hi-line),inset 0 1px 0 var(--halo-line),var(--shadow-slide);--r:0deg;transform:rotate(var(--r));animation:drift 11s ease-in-out infinite}
.slide__top{display:flex;align-items:center;justify-content:space-between;gap:8px}
.slide__code{display:inline-flex;align-items:center;height:20px;padding:0 8px;border-radius:var(--r-pill);background:var(--glass-chip);font-family:var(--font-mono);font-size:10.5px;font-weight:var(--weight-bold);letter-spacing:.1em}
.slide__sig{width:18px;height:18px;flex:none}
.slide__title{display:block;font-family:var(--font-display);font-size:17px;font-weight:var(--weight-heavy);line-height:1.25;letter-spacing:-.01em}
.slide__dot{opacity:.7;margin:0 2px}
.slide__meta{display:block;margin-top:16px;font-family:var(--font-mono);font-size:10px;letter-spacing:.12em;opacity:.85}
.slide__big{display:block;font-family:var(--font-display);font-size:19px;font-weight:var(--weight-display);line-height:1.15;letter-spacing:-.02em}
.slide__small{display:block;margin-top:2px;font-size:12px;font-weight:var(--weight-medium);line-height:1.3;opacity:.92}
.slide--outer{padding:11px 12px;border-radius:var(--r-outer-slide);opacity:.66}
.slide--outer .slide__title{font-size:13px}
.slide--outer .slide__big{font-size:15px}
.slide--outer .slide__small{font-size:11px}
.slide--picked::after{content:"";position:absolute;inset:-8px;border-radius:var(--r-panel);border:1.5px dashed var(--dash);pointer-events:none}
.slide__tag{position:absolute;left:10px;top:-18px;z-index:2;display:inline-flex;align-items:center;height:20px;padding:0 9px;border-radius:var(--r-pill);background:var(--accent-dark);color:var(--white);font-size:11px;font-weight:var(--weight-bold);letter-spacing:.04em}
.slide__live{display:inline-flex;align-items:center;gap:5px;height:20px;padding:0 8px 0 5px;border-radius:var(--r-pill);background:var(--bg-panel);color:var(--accent-dark);font-size:11px;font-weight:var(--weight-bold)}
.slide__live svg{width:13px;height:13px}
.s-a{left:calc(50% - 610px);top:44px;width:224px;--r:-4deg;animation-duration:11s;animation-delay:-2s}
.s-b{left:calc(50% - 700px);top:214px;width:144px;--r:3deg;animation-duration:9s;animation-delay:-5s}
.s-c{left:calc(50% - 600px);top:336px;width:192px;--r:-2deg;animation-duration:13s;animation-delay:-1s}
.s-d{left:calc(50% - 690px);top:566px;width:144px;--r:-3deg;animation-duration:10s;animation-delay:-7s}
.s-e{left:calc(50% + 392px);top:64px;width:208px;--r:4deg;animation-duration:12s;animation-delay:-4s}
.s-f{left:calc(50% + 560px);top:230px;width:144px;--r:-3deg;animation-duration:8s;animation-delay:-3s}
.s-g{left:calc(50% + 412px);top:346px;width:216px;--r:2.5deg;animation-duration:14s;animation-delay:-6s}
.s-h{left:calc(50% + 548px);top:540px;width:144px;--r:3deg;animation-duration:10.5s;animation-delay:-8s}
@keyframes drift{0%,100%{transform:translate3d(0,0,0) rotate(var(--r))}50%{transform:translate3d(0,-10px,0) rotate(calc(var(--r) + 1.2deg))}}
.peek{position:relative;z-index:1;max-width:1240px;margin:8px auto 0;padding:48px 64px 72px;border-radius:var(--r-card) var(--r-card) 0 0;background:var(--bg-panel);box-shadow:inset 0 1px 0 var(--white),0 -18px 48px -30px var(--sh-accent-14)}
.peek__eyebrow{margin:0;font-family:var(--font-mono);font-size:12.5px;font-weight:var(--weight-medium);letter-spacing:.14em;color:var(--accent)}
.peek__title{margin:12px 0 0;font-family:var(--font-display);font-weight:var(--weight-display);font-size:44px;line-height:1.15;letter-spacing:-.03em}
.peek__text{margin:16px 0 0;max-width:620px;font-size:17px;line-height:28px;color:var(--text-muted)}
.site-footer{background:var(--bg-panel-2);border-top:1px solid var(--border);padding-top:56px;padding-bottom:24px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px}
.footer-grid>*{min-width:0}
.footer-intro{margin:20px 0 12px;max-width:380px;color:var(--text-muted)}
.footer-heading{margin:0 0 16px;font-size:16px;font-weight:var(--weight-heavy)}
.footer-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 16px;list-style:none;margin:0;padding:0}
.footer-links a,.footer-languages a,.footer-legal a{display:inline-flex;align-items:center;min-height:28px;text-decoration:none;font-size:14px}
.footer-links a:hover,.footer-languages a:hover,.footer-legal a:hover{color:var(--accent-dark);text-decoration:underline}
.footer-languages,.footer-legal{display:flex;flex-wrap:wrap;gap:8px 20px}
.footer-languages{margin-top:32px}
.footer-languages [aria-current]{color:var(--accent-dark);font-weight:var(--weight-bold)}
.footer-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;margin-top:24px;padding-top:24px;border-top:1px solid var(--border)}
.footer-copyright{margin:0;font-size:14px;color:var(--text-muted)}
.reveal{transition:opacity var(--time-reveal) ease,transform var(--time-reveal) ease}
.reveal.pending{opacity:0;transform:translateY(16px)}
.reveal.shown{opacity:1;transform:none}
#server-status{position:relative;display:block;min-width:0;max-width:100%;overflow:hidden;margin-top:24px;margin-bottom:32px}
#server-status+*{margin-top:32px}
#server-status>*{min-width:0;max-width:100%}
.prose{min-width:0;overflow-wrap:break-word}
.prose h2{margin-top:48px;margin-bottom:20px}
.prose h3{margin-top:32px}
.prose p,.prose li{line-height:1.85}
.prose ul,.prose ol{padding-left:24px}
.prose img{border-radius:var(--r-panel)}
body:has(.toc-tabs) section[id],body:has(.toc-tabs) .prose h2[id]{scroll-margin-top:var(--toc-offset)}
.decor-section{position:relative;overflow-x:clip;max-width:100%;isolation:isolate}
@media(max-width:1419px){.slide--outer{display:none}}
@media(max-width:1239px){
  .deck{position:static;display:flex;flex-wrap:wrap;justify-content:center;gap:20px;width:100%;margin-top:28px;pointer-events:auto}
  .slide{position:relative;left:auto;top:auto;width:200px}
  .slide--picked{margin-top:10px}
  .device{margin-top:28px}
  .device__floats{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-top:16px}
  .float-sec,.float-pay{position:static;transform:none}
  .float-pay{width:auto}
}
@media(max-width:960px){
  .mainnav{display:none}
  .topbar__tools{margin-left:auto}
  .menu-toggle{display:inline-flex}
  .mobile-drawer:not([hidden]){display:block;position:absolute;top:100%;left:16px;right:16px;z-index:30;padding:16px;background:var(--bg-panel);border:1px solid var(--border);border-radius:var(--r-panel);box-shadow:var(--shadow-panel);max-height:calc(100dvh - 116px);overflow-y:auto;overscroll-behavior:contain}
  .mobile-drawer a{display:flex;width:100%;align-items:center;min-height:44px;padding:12px 16px;text-decoration:none;border-radius:var(--r-item)}
  .mobile-drawer a:hover,.mobile-drawer a[aria-current]{background:var(--tint-accent);color:var(--accent-dark)}
  .mobile-drawer__label{margin:16px 16px 4px;font-size:13px;font-weight:var(--weight-bold);color:var(--text-muted)}
  .grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  :root{--header-height:60px;--gutter:16px;--anchor-offset:76px;--toc-offset:140px}
  h1{font-size:38px}
  .announce__inner{padding:8px 44px 8px 16px;justify-content:flex-start}
  .announce__text{font-size:13px}
  .announce__lead{display:none}
  .announce__close{right:8px}
  .topbar__inner{padding:0 16px;height:60px;gap:12px}
  .lang__text{display:none}
  .lang__btn{padding:8px}
  .hero{padding:32px 16px 40px}
  .hero__title{font-size:2.375rem}
  .device{padding:12px;border-radius:var(--r-halo-mobile)}
  .panel{padding:18px}
  .prompt{align-items:flex-start;line-height:22px;font-size:15px}
  .prompt__caret{display:none}
  .actions{flex-direction:column;align-items:stretch}
  .lane{flex-wrap:wrap}
  .cta{width:100%}
  .cta .btn{flex:1;padding:12px}
  .slide{width:calc(50% - 10px);min-width:0;padding:12px}
  .slide__title{font-size:15px}
  .hero__desc{font-size:16px;line-height:26px}
  .hero__note{display:flex;text-align:left}
  .marks{grid-template-columns:1fr;row-gap:8px;justify-items:center}
  .marks__label{text-align:center}
  .marks__list{justify-content:center;gap:12px 18px}
  .peek{margin-inline:16px;padding:32px 24px 48px}
  .peek__title{font-size:32px}
  .section{padding-top:48px;padding-bottom:48px}
}
@media(max-width:640px){
  .no-break{white-space:normal}
  .tilt,.tilted,.float-sec,.float-pay{transform:none}
  .decor-section,.stage,.aura,.deck{max-width:100%}
  .grid,.footer-grid{grid-template-columns:minmax(0,1fr)}
  .card{padding:24px}
  .brand__word{font-size:20px}
  .brand{gap:6px}
  .brand__mark{width:26px;height:26px}
  .topbar__tools{gap:4px;margin-left:auto}
  .login{padding:8px 14px}
  .login svg{display:none}
  .footer-links{gap:8px 12px}
  .footer-bottom{align-items:flex-start;flex-direction:column}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal,.reveal.pending,.reveal.shown{opacity:1;transform:none;transition:none}
  .slide{animation:none}
  .btn{transition:none}
}