/* ==========================================================================
   天启大陆 · TIANQI CONTINENT — official showcase
   Design tokens → base → primitives → hero → sections → responsive
   ========================================================================== */

/* ---------- Fonts (self-hosted) ---------- */
@font-face{
  font-family:"Cinzel";font-style:normal;font-weight:700;font-display:swap;
  src:url("../fonts/cinzel-700.woff2") format("woff2");
}
@font-face{
  font-family:"Rajdhani";font-style:normal;font-weight:500;font-display:swap;
  src:url("../fonts/rajdhani-500.woff2") format("woff2");
}
@font-face{
  font-family:"Rajdhani";font-style:normal;font-weight:700;font-display:swap;
  src:url("../fonts/rajdhani-700.woff2") format("woff2");
}

/* ---------- Tokens ---------- */
:root{
  --void:#05060a;
  --void-2:#080a11;
  --panel:#0d1018;
  --panel-2:#111521;
  --line:rgba(255,255,255,.075);
  --line-strong:rgba(255,255,255,.14);

  --ember:#ff6a1a;
  --ember-deep:#c33c02;
  --gold:#ffc861;
  --gold-soft:#ffe3b3;
  --arcane:#54e6ff;
  --violet:#8b5cf6;
  --magenta:#ff2e88;
  --jade:#39e6a8;

  --ink:#eceef6;
  --muted:#98a1b6;
  --muted-2:#6d768c;

  --font-cn:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  --font-display:"Cinzel","Times New Roman",serif;
  --font-tech:"Rajdhani","Bahnschrift","DIN Alternate",sans-serif;

  --ease:cubic-bezier(.16,1,.3,1);
  --ease-io:cubic-bezier(.65,.05,.36,1);

  --shell:min(1280px, 90vw);
  --nav-h:76px;

  --cut:16px;
  --radius:2px;
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;overflow-x:hidden}
body{
  margin:0;
  background:var(--void);
  color:var(--ink);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.7;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
body::before{
  /* ambient light field */
  content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;
  background:
    radial-gradient(60% 50% at 50% -10%, rgba(255,106,26,.16), transparent 70%),
    radial-gradient(45% 40% at 88% 8%, rgba(84,230,255,.08), transparent 70%),
    radial-gradient(70% 60% at 50% 110%, rgba(139,92,246,.10), transparent 70%),
    linear-gradient(180deg,#05060a 0%,#070910 45%,#05060a 100%);
}
body::after{
  /* faint voxel grid, fades toward horizon */
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background-image:
    linear-gradient(to right, rgba(255,255,255,.028) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,.028) 1px, transparent 1px);
  background-size:72px 72px;
  mask-image:radial-gradient(ellipse 80% 60% at 50% 30%, #000 0%, transparent 78%);
  -webkit-mask-image:radial-gradient(ellipse 80% 60% at 50% 30%, #000 0%, transparent 78%);
  opacity:.7;
}
img,svg{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
a{color:inherit;text-decoration:none}
input{font:inherit;color:inherit}
h1,h2,h3,h4,p,dl,dd,dt,ol,ul{margin:0;padding:0}
ol,ul{list-style:none}
::selection{background:rgba(255,106,26,.35);color:#fff}
:focus-visible{outline:2px solid var(--arcane);outline-offset:3px}

/* thin scrollbar */
*{scrollbar-width:thin;scrollbar-color:rgba(255,106,26,.4) transparent}
::-webkit-scrollbar{width:9px;height:9px}
::-webkit-scrollbar-track{background:#07080d}
::-webkit-scrollbar-thumb{background:#242a3a;border-radius:9px;border:2px solid #07080d}
::-webkit-scrollbar-thumb:hover{background:#37405a}

/* ---------- Utilities ---------- */
.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;
  clip:rect(0 0 0 0);white-space:nowrap;border:0;
}
.skip{
  position:fixed;left:12px;top:-80px;z-index:400;padding:12px 18px;background:var(--ember);
  color:#170800;font-weight:700;transition:top .25s
}
.skip:focus{top:12px}
.br-m{display:none}

/* ==========================================================================
   Global FX layers
   ========================================================================== */
.fx{position:fixed;inset:0;z-index:0;pointer-events:none}
#embers{position:absolute;inset:0;width:100%;height:100%;opacity:.55;mix-blend-mode:screen}
.fx__grain{
  position:absolute;inset:-50%;
  background-image: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='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='.5'/%3E%3C/svg%3E");
  opacity:.05;mix-blend-mode:overlay;
  animation:grain 7s steps(6) infinite;
}
@keyframes grain{
  0%,100%{transform:translate(0,0)}
  20%{transform:translate(-2%,1%)}
  40%{transform:translate(1%,-2%)}
  60%{transform:translate(-1%,-1%)}
  80%{transform:translate(2%,1%)}
}
.fx__vignette{
  position:absolute;inset:0;
  background:radial-gradient(ellipse 90% 80% at 50% 45%, transparent 40%, rgba(0,0,0,.55) 100%);
}
.cursor{
  position:fixed;top:0;left:0;width:26px;height:26px;margin:-13px 0 0 -13px;border-radius:50%;
  border:1px solid rgba(255,180,110,.55);z-index:200;pointer-events:none;
  transition:width .3s var(--ease),height .3s var(--ease),margin .3s var(--ease),
             background .3s,border-color .3s,opacity .3s;
  mix-blend-mode:screen;opacity:0;
}
.cursor span{
  position:absolute;left:50%;top:50%;width:4px;height:4px;margin:-2px 0 0 -2px;border-radius:50%;
  background:var(--gold);box-shadow:0 0 12px 3px rgba(255,170,60,.8)
}
body.has-cursor .cursor{opacity:1}
body.has-cursor .cursor.is-hot{
  width:52px;height:52px;margin:-26px 0 0 -26px;
  background:rgba(255,106,26,.13);border-color:rgba(255,180,110,.9)
}
.scrollbar{position:fixed;top:0;left:0;right:0;height:2px;z-index:210;background:transparent}
.scrollbar i{
  display:block;height:100%;width:0;
  background:linear-gradient(90deg,var(--ember),var(--gold) 55%,var(--arcane));
  box-shadow:0 0 12px rgba(255,120,40,.8)
}

/* ==========================================================================
   Boot loader
   ========================================================================== */
.boot{
  position:fixed;inset:0;z-index:320;display:grid;place-content:center;justify-items:center;gap:34px;
  background:radial-gradient(ellipse at 50% 45%,#0c0f19 0%,#05060a 65%);
  transition:opacity .8s var(--ease),visibility .8s;
}
.boot.is-done{opacity:0;visibility:hidden}
.boot__cube{width:56px;height:56px;position:relative;transform-style:preserve-3d;animation:bootSpin 6s linear infinite}
.boot__cube span{
  position:absolute;inset:0;border:1px solid rgba(255,140,60,.65);
  background:linear-gradient(140deg,rgba(255,106,26,.30),rgba(255,106,26,.04));
}
.boot__cube span:nth-child(1){transform:translateZ(28px)}
.boot__cube span:nth-child(2){transform:rotateY(180deg) translateZ(28px)}
.boot__cube span:nth-child(3){transform:rotateY(90deg) translateZ(28px)}
.boot__cube span:nth-child(4){transform:rotateY(-90deg) translateZ(28px)}
.boot__cube span:nth-child(5){transform:rotateX(90deg) translateZ(28px)}
.boot__cube span:nth-child(6){transform:rotateX(-90deg) translateZ(28px)}
@keyframes bootSpin{to{transform:rotateX(360deg) rotateY(720deg)}}
.boot__word{
  font-family:var(--font-display);font-size:12px;letter-spacing:.55em;color:rgba(255,220,180,.6);
  padding-left:.55em
}
.boot__bar{width:min(260px,52vw);height:2px;background:rgba(255,255,255,.09);overflow:hidden}
.boot__bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--ember),var(--gold));
  box-shadow:0 0 14px rgba(255,140,40,.9);transition:width .25s linear}
.boot__tip{font-family:var(--font-tech);font-size:11px;letter-spacing:.18em;color:var(--muted-2);text-transform:uppercase}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn{
  position:relative;display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:54px;padding:0 30px;font-size:15px;font-weight:700;letter-spacing:.04em;
  clip-path:polygon(14px 0,100% 0,100% calc(100% - 14px),calc(100% - 14px) 100%,0 100%,0 14px);
  transition:transform .25s var(--ease),box-shadow .25s,background .25s,color .25s;
  white-space:nowrap;
}
.btn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.btn--primary{
  background:linear-gradient(120deg,#ff9a3c,#ff5f05 52%,#ffbe55);
  color:#190a00;
  box-shadow:0 14px 40px -14px rgba(255,95,5,.85), inset 0 1px 0 rgba(255,255,255,.5);
}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 20px 52px -14px rgba(255,95,5,1)}
.btn--primary::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,transparent 32%,rgba(255,255,255,.6) 47%,transparent 62%);
  transform:translateX(-130%);transition:transform .75s var(--ease-io);
}
.btn--primary:hover::after{transform:translateX(130%)}
.btn--ghost{
  color:var(--ink);background:rgba(255,255,255,.03);
  box-shadow:inset 0 0 0 1px var(--line-strong);backdrop-filter:blur(8px);
}
.btn--ghost:hover{background:rgba(255,255,255,.075);color:#fff;transform:translateY(-2px)}
.btn--mini{
  height:40px;padding:0 18px;font-size:12.5px;letter-spacing:.06em;
  background:linear-gradient(120deg,rgba(255,106,26,.22),rgba(255,106,26,.06));
  box-shadow:inset 0 0 0 1px rgba(255,140,60,.5);color:var(--gold-soft);
}
.btn--mini:hover{background:rgba(255,106,26,.28);color:#fff;box-shadow:inset 0 0 0 1px rgba(255,160,80,.85)}
.btn--sm{height:46px;padding:0 22px;font-size:13.5px}

/* ==========================================================================
   Navigation
   ========================================================================== */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  transition:background .4s,border-color .4s,backdrop-filter .4s,transform .5s var(--ease);
  border-bottom:1px solid transparent;
}
.nav.is-stuck{background:rgba(6,7,12,.82);border-bottom-color:var(--line);backdrop-filter:blur(18px) saturate(140%)}
.nav__inner{
  width:var(--shell);margin:0 auto;height:var(--nav-h);
  display:flex;align-items:center;gap:32px
}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand__mark{width:30px;height:30px;filter:drop-shadow(0 0 14px rgba(255,110,30,.6));transition:transform .5s var(--ease)}
.brand:hover .brand__mark{transform:rotate(-10deg) scale(1.06)}
.f-top{fill:#ffb545}
.f-left{fill:#c33c02}
.f-right{fill:#ff7a24}
.brand__text{display:flex;flex-direction:column;line-height:1}
.brand__text strong{font-size:18px;font-weight:900;letter-spacing:.14em}
.brand__text em{
  font-family:var(--font-display);font-style:normal;font-size:8.5px;letter-spacing:.28em;
  color:var(--muted-2);margin-top:5px
}
.nav__links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav__links a{
  position:relative;display:inline-flex;align-items:center;gap:7px;padding:10px 15px;
  font-size:13.5px;font-weight:500;color:#c3cade;letter-spacing:.05em;
  transition:color .25s
}
.nav__links a span{font-family:var(--font-tech);font-size:10px;color:var(--muted-2);letter-spacing:.1em}
.nav__links a::after{
  content:"";position:absolute;left:15px;right:15px;bottom:4px;height:1px;
  background:linear-gradient(90deg,var(--ember),var(--gold));transform:scaleX(0);transform-origin:left;
  transition:transform .35s var(--ease)
}
.nav__links a:hover,.nav__links a.is-active{color:#fff}
.nav__links a:hover::after,.nav__links a.is-active::after{transform:scaleX(1)}
.nav__actions{display:flex;align-items:center;gap:16px}
.nav__status{display:flex;align-items:center;gap:7px;font-size:11.5px;color:var(--muted);letter-spacing:.06em}
.nav__status i{width:6px;height:6px;border-radius:50%;background:var(--jade);box-shadow:0 0 10px var(--jade);animation:pulse 2.4s infinite}
.nav__status b{font-family:var(--font-tech);font-size:15px;color:var(--ink);letter-spacing:.04em}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.35;transform:scale(.75)}}
.nav__burger{display:none;width:40px;height:40px;position:relative}
.nav__burger span{position:absolute;left:9px;right:9px;height:1.5px;background:#fff;transition:.3s var(--ease)}
.nav__burger span:nth-child(1){top:14px}
.nav__burger span:nth-child(2){top:20px}
.nav__burger span:nth-child(3){top:26px}
.nav.is-open .nav__burger span:nth-child(1){top:20px;transform:rotate(45deg)}
.nav.is-open .nav__burger span:nth-child(2){opacity:0}
.nav.is-open .nav__burger span:nth-child(3){top:20px;transform:rotate(-45deg)}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero{
  position:relative;min-height:100svh;display:grid;place-items:center;
  padding:calc(var(--nav-h) + 40px) 0 90px;overflow:hidden;isolation:isolate
}
.hero__canvas{position:absolute;inset:0;width:100%;height:100%;z-index:0;
  opacity:0;transition:opacity 1.4s ease .3s}
.hero__canvas.is-on{opacity:1}
.hero__fallback{position:absolute;inset:0;z-index:0;display:grid;place-items:center;opacity:.5}
.hero__fallback[hidden]{display:none}
.hero__fallback svg{width:min(820px,120%);height:auto}
.hero__glow{
  position:absolute;inset:0;z-index:1;pointer-events:none;
  background:
    radial-gradient(46% 34% at 50% 62%, rgba(255,106,26,.22), transparent 70%),
    radial-gradient(30% 26% at 16% 14%, rgba(84,230,255,.10), transparent 70%),
    radial-gradient(34% 30% at 86% 24%, rgba(139,92,246,.12), transparent 70%);
  mix-blend-mode:screen;
}
.hero__grid{
  position:absolute;inset:auto 0 0;height:46%;z-index:1;pointer-events:none;
  background-image:
    linear-gradient(to right, rgba(255,140,70,.14) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,140,70,.14) 1px, transparent 1px);
  background-size:88px 88px;transform:perspective(420px) rotateX(62deg);transform-origin:bottom;
  mask-image:linear-gradient(to top, #000 0%, transparent 85%);
  -webkit-mask-image:linear-gradient(to top, #000 0%, transparent 85%);
  opacity:.35;
}
.hero__inner{position:relative;z-index:3;width:var(--shell);text-align:center}

.eyebrow{
  display:inline-flex;align-items:center;gap:12px;
  font-family:var(--font-tech);font-size:11.5px;font-weight:700;letter-spacing:.26em;
  color:#cfd5e4;text-transform:uppercase;padding:9px 18px;
  border:1px solid rgba(255,255,255,.1);background:rgba(10,12,18,.5);
  backdrop-filter:blur(10px);clip-path:polygon(10px 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%,0 10px);
}
.eyebrow .sep{color:var(--ember);opacity:.75}
.eyebrow__dot{width:5px;height:5px;border-radius:50%;background:var(--ember);
  box-shadow:0 0 10px 2px rgba(255,106,26,.9);animation:pulse 2s infinite}

.hero__title{position:relative;margin-top:34px;display:flex;flex-direction:column;align-items:center}
.hero__title::before{
  content:"TIANQI";position:absolute;left:50%;top:-.19em;transform:translateX(-50%);
  font-family:var(--font-display);font-size:clamp(80px,15vw,232px);letter-spacing:.16em;
  color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.075);
  pointer-events:none;user-select:none;white-space:nowrap;
}
.hero__title-cn{
  display:flex;justify-content:center;gap:.04em;
  font-size:clamp(58px,12.4vw,190px);font-weight:900;line-height:.98;letter-spacing:.06em;
  position:relative
}
.hero__title-cn i{
  display:inline-block;font-style:normal;
  background:linear-gradient(176deg,#ffffff 0%,#ffeacd 26%,#ffb45c 52%,#ff5b0a 76%,#8f1c00 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 8px 34px rgba(255,90,0,.5)) drop-shadow(0 2px 0 rgba(0,0,0,.4));
}
.js .hero__title-cn i{transform:translateY(115%) rotateX(-55deg);opacity:0}
.is-ready .hero__title-cn i{animation:charIn 1.15s var(--ease) forwards;animation-delay:calc(.55s + var(--i) * .1s)}
@keyframes charIn{to{transform:none;opacity:1}}
.hero__title-en{
  margin-top:14px;font-family:var(--font-display);font-size:clamp(10px,1.4vw,15px);
  letter-spacing:.62em;color:rgba(255,222,180,.62);padding-left:.62em
}
.js .hero__title-en{opacity:0;transform:translateY(12px)}
.is-ready .hero__title-en{animation:fadeUp .9s var(--ease) 1.15s forwards}
.hero__lead{
  margin:28px auto 0;max-width:600px;font-size:clamp(15px,1.25vw,18px);
  line-height:1.95;color:#b6bdcd;
}
.js .hero__lead,.js .hero__cta,.js .server,.js .stats,.js .eyebrow{opacity:0;transform:translateY(22px)}
.is-ready [data-hero]{animation:fadeUp .95s var(--ease) forwards}
.is-ready [data-hero="1"]{animation-delay:.25s}
.is-ready [data-hero="3"]{animation-delay:1.2s}
.is-ready [data-hero="4"]{animation-delay:1.35s}
.is-ready [data-hero="5"]{animation-delay:1.5s}
.is-ready [data-hero="6"]{animation-delay:1.65s}
@keyframes fadeUp{to{opacity:1;transform:none}}

.hero__cta{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:36px}
.server{
  margin-top:22px;display:inline-flex;align-items:center;gap:14px;
  padding:7px 7px 7px 18px;background:rgba(9,11,17,.72);
  backdrop-filter:blur(12px);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.1);
  clip-path:polygon(12px 0,100% 0,100% calc(100% - 12px),calc(100% - 12px) 100%,0 100%,0 12px);
}
.server__label{font-family:var(--font-tech);font-size:9.5px;letter-spacing:.2em;color:var(--muted-2)}
.server code{font-family:var(--font-tech);font-size:16px;font-weight:700;letter-spacing:.1em;color:var(--gold-soft)}
.server__btn{
  width:36px;height:36px;display:grid;place-items:center;color:#1a0b00;
  background:linear-gradient(120deg,#ffb545,#ff7a1a)
}
.server__btn svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.server__btn:hover{filter:brightness(1.12)}

.stats{display:flex;justify-content:center;gap:clamp(20px,4vw,58px);margin-top:56px;flex-wrap:wrap}
.stats__item{display:flex;flex-direction:column;gap:6px;align-items:center;padding-left:clamp(20px,4vw,58px);
  border-left:1px solid var(--line)}
.stats__item:first-child{padding-left:0;border-left:0}
.stats dt{font-size:10.5px;letter-spacing:.22em;color:var(--muted-2);font-family:var(--font-tech)}
.stats dd{display:flex;align-items:baseline;gap:4px;font-family:var(--font-tech);font-weight:700;
  font-size:clamp(24px,2.4vw,34px);line-height:1;
  background:linear-gradient(180deg,#fff,#ffc98a);-webkit-background-clip:text;background-clip:text;color:transparent}
.stats dd em{font-style:normal;font-size:12px;color:var(--muted);font-family:var(--font-cn);font-weight:400}
.stats dd i{width:6px;height:6px;border-radius:50%;background:var(--jade);box-shadow:0 0 10px var(--jade);
  align-self:center;margin-left:4px;animation:pulse 2s infinite}

.hero__scroll{
  position:absolute;left:50%;bottom:26px;transform:translateX(-50%);z-index:4;
  display:flex;flex-direction:column;align-items:center;gap:10px;
  font-family:var(--font-tech);font-size:9.5px;letter-spacing:.32em;color:var(--muted-2)
}
.hero__scroll i{width:1px;height:46px;background:linear-gradient(to bottom,rgba(255,140,60,.9),transparent);
  position:relative;overflow:hidden}
.hero__scroll i::after{content:"";position:absolute;top:-40%;left:0;width:1px;height:40%;
  background:#fff;animation:scrollDrop 2.2s var(--ease-io) infinite}
@keyframes scrollDrop{0%{top:-40%}70%,100%{top:100%}}

/* ==========================================================================
   Marquee
   ========================================================================== */
.marquee{
  position:relative;z-index:2;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:rgba(7,8,13,.7);backdrop-filter:blur(6px);overflow:hidden;padding:13px 0;
}
.marquee__track{display:flex;width:max-content;animation:marquee 42s linear infinite}
.marquee:hover .marquee__track{animation-play-state:paused}
.marquee__track span{
  display:inline-flex;align-items:center;white-space:nowrap;
  font-family:var(--font-tech);font-size:12.5px;font-weight:700;letter-spacing:.2em;
  color:#8d95a8;text-transform:uppercase
}
.marquee__track i{font-style:normal;color:var(--ember);margin:0 26px;font-size:9px;opacity:.8}
@keyframes marquee{to{transform:translateX(-50%)}}

/* ==========================================================================
   Section shells
   ========================================================================== */
.section{position:relative;z-index:2;width:var(--shell);margin:0 auto;
  padding:clamp(72px,10vw,150px) 0}
.section__head{max-width:760px}
.section__head--center{margin:0 auto;text-align:center}
.kicker{
  display:flex;align-items:center;gap:14px;font-family:var(--font-tech);
  font-size:11px;font-weight:700;letter-spacing:.32em;color:var(--muted-2);text-transform:uppercase;
  margin-bottom:22px
}
.kicker span{
  display:grid;place-items:center;width:30px;height:30px;
  border:1px solid rgba(255,140,60,.4);color:var(--gold);font-size:10.5px;letter-spacing:.06em;
  clip-path:polygon(6px 0,100% 0,100% calc(100% - 6px),calc(100% - 6px) 100%,0 100%,0 6px)
}
.kicker--center{justify-content:center}
.display{
  font-size:clamp(34px,4.4vw,62px);font-weight:900;line-height:1.1;letter-spacing:.01em;
}
.display--xl{font-size:clamp(40px,6vw,86px)}
.hl{
  background:linear-gradient(112deg,#ffd27a,#ff7a1a 46%,#ff3d00 78%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 4px 26px rgba(255,110,20,.35))
}
.lede{margin-top:20px;color:var(--muted);font-size:clamp(14.5px,1.1vw,16.5px);line-height:1.95;max-width:620px}
.lede--tight{max-width:440px;font-size:14.5px}

/* reveal */
.js .reveal{opacity:0;transform:translateY(30px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.js .reveal.is-in{opacity:1;transform:none}

/* ==========================================================================
   Bento — 01 World
   ========================================================================== */
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:16px;margin-top:56px}
.bento__card{
  position:relative;overflow:hidden;display:flex;flex-direction:column;
  grid-column:span 3;
  background:
    linear-gradient(160deg,rgba(23,27,40,.92),rgba(10,12,19,.94));
  box-shadow:inset 0 0 0 1px var(--line);
  transition:box-shadow .4s,transform .4s var(--ease),background .4s;
  transform-style:preserve-3d;will-change:transform;
}
.bento__card:hover{
  box-shadow:inset 0 0 0 1px rgba(255,140,60,.4),0 24px 60px -30px rgba(255,106,26,.75);
  background:linear-gradient(160deg,rgba(31,25,30,.94),rgba(13,12,18,.96));
}
.bento__card::before,.bento__card::after{
  content:"";position:absolute;width:26px;height:26px;pointer-events:none;opacity:.55;
  transition:opacity .4s
}
.bento__card::before{top:0;left:0;border-top:1px solid var(--gold);border-left:1px solid var(--gold)}
.bento__card::after{bottom:0;right:0;border-bottom:1px solid var(--gold);border-right:1px solid var(--gold)}
.bento__card:hover::before,.bento__card:hover::after{opacity:1}
.bento__card--wide{grid-column:span 6;grid-row:span 2}
.bento__art{position:relative;height:170px;flex-shrink:0;overflow:hidden;
  border-bottom:1px solid var(--line);
  background:radial-gradient(70% 100% at 50% 100%,rgba(255,106,26,.18),transparent 70%)}
.bento__card--wide .bento__art{height:270px}
.bento__art svg{position:absolute;inset:0;width:100%;height:100%}
.bento__body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:12px;flex:1}
.bento__body h3{font-size:clamp(17px,1.3vw,22px);font-weight:800;line-height:1.4;letter-spacing:.01em}
.bento__body p{font-size:13.8px;line-height:1.85;color:var(--muted)}
.tag{
  align-self:flex-start;font-family:var(--font-tech);font-size:9.5px;font-weight:700;letter-spacing:.2em;
  text-transform:uppercase;color:var(--gold);padding:3px 8px;background:rgba(255,160,60,.08);
  box-shadow:inset 0 0 0 1px rgba(255,160,60,.25)
}
.mini-list{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:auto;padding-top:14px;border-top:1px solid var(--line)}
.mini-list li{font-size:12px;color:var(--muted);display:flex;align-items:baseline;gap:6px}
.mini-list b{font-family:var(--font-tech);font-size:20px;color:#fff;line-height:1}
.bento__card--wide .bento__body h3{font-size:clamp(20px,1.9vw,30px);max-width:86%}

.bento__card--pledge{
  grid-column:span 12;flex-direction:row;align-items:center;gap:38px;padding:28px 34px;
  background:
    radial-gradient(50% 100% at 6% 50%,rgba(255,106,26,.18),transparent 70%),
    linear-gradient(120deg,rgba(24,25,36,.95),rgba(10,11,17,.95))
}
.pledge__seal{
  flex-shrink:0;width:96px;height:96px;display:grid;grid-template-columns:1fr 1fr;
  place-items:center;border:1px solid rgba(255,120,40,.55);
  box-shadow:inset 0 0 0 4px rgba(255,106,26,.07),0 0 40px -12px rgba(255,106,26,.7);
  transform:rotate(-6deg);background:rgba(255,106,26,.05)
}
.pledge__seal span{font-size:21px;font-weight:900;color:var(--gold);line-height:1;letter-spacing:.04em}
.bento__card--pledge .bento__body{padding:0;gap:8px}

/* ==========================================================================
   02 Dungeons — sticky horizontal rail
   ========================================================================== */
.section--dungeons{width:100%;padding:0;margin:0}
.sticky-wrap{position:relative;height:330vh}
.sticky-view{
  position:sticky;top:0;height:100vh;display:flex;flex-direction:column;justify-content:center;
  overflow:hidden;padding-top:var(--nav-h)
}
.section__head--inline{width:var(--shell);margin:0 auto 34px;display:grid;
  grid-template-columns:1fr auto;align-items:end;gap:12px 40px}
.section__head--inline .kicker{grid-column:1/-1;margin-bottom:6px}
.section__head--inline .display{max-width:820px}
.section__head--inline .lede{grid-column:1;max-width:480px;font-size:13.5px;margin-top:4px}
.hscroll-meter{grid-column:2;grid-row:2 / span 2;align-self:end;width:180px;height:2px;
  background:rgba(255,255,255,.1);position:relative;overflow:hidden}
.hscroll-meter i{position:absolute;inset:0;width:0;background:linear-gradient(90deg,var(--ember),var(--gold))}
.hscroll-hint{grid-column:2;grid-row:3;text-align:right;font-family:var(--font-tech);font-size:10px;
  letter-spacing:.24em;color:var(--muted-2);text-transform:uppercase}

.rail{width:100%;overflow:hidden;position:relative}
.rail__track{display:flex;gap:20px;padding:6px 5vw 26px;width:max-content;will-change:transform}
.rail-card{
  position:relative;display:flex;flex-direction:column;
  width:clamp(270px,30vw,390px);height:min(52vh,520px);flex:0 0 auto;
  background:linear-gradient(165deg,rgba(24,28,41,.95),rgba(9,11,17,.97));
  box-shadow:inset 0 0 0 1px var(--line),0 30px 70px -40px rgba(0,0,0,.9);
  clip-path:polygon(0 0,100% 0,100% calc(100% - 24px),calc(100% - 24px) 100%,0 100%);
  transition:box-shadow .45s,transform .45s var(--ease);
}
.rail-card::after{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;
  background:linear-gradient(90deg,transparent,var(--accent,var(--ember)),transparent);opacity:.9
}
.rail-card:hover{transform:translateY(-8px);box-shadow:inset 0 0 0 1px rgba(255,150,70,.4),0 40px 90px -40px rgba(255,106,26,.55)}
.rail-card__art{
  position:relative;height:47%;flex-shrink:0;overflow:hidden;
  background:radial-gradient(80% 90% at 50% 110%,var(--accent-a,rgba(255,106,26,.2)),transparent 70%),
             linear-gradient(180deg,rgba(255,255,255,.02),transparent);
  border-bottom:1px solid var(--line)
}
.rail-card__art svg{position:absolute;inset:0;width:100%;height:100%}
.rail-card__idx{
  position:absolute;top:8px;right:16px;font-family:var(--font-display);font-size:64px;line-height:1;
  color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.12);pointer-events:none
}
.rail-card__body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.rail-card__tag{
  align-self:flex-start;font-family:var(--font-tech);font-size:9px;font-weight:700;letter-spacing:.18em;
  text-transform:uppercase;padding:3px 8px;color:#140800;
  background:var(--accent,var(--ember))
}
.rail-card h3{font-size:21px;font-weight:800;line-height:1.3;letter-spacing:.02em}
.rail-card__en{font-family:var(--font-display);font-size:9px;letter-spacing:.24em;color:var(--muted-2);margin-top:-4px}
.rail-card__desc{font-size:12.8px;line-height:1.8;color:var(--muted);margin-top:2px}
.rail-card__meta{display:flex;gap:18px;margin-top:auto;padding-top:14px;border-top:1px solid var(--line)}
.rail-card__meta div{display:flex;flex-direction:column;gap:2px}
.rail-card__meta dt{font-size:9.5px;letter-spacing:.16em;color:var(--muted-2);font-family:var(--font-tech)}
.rail-card__meta dd{font-size:13px;font-weight:700;color:#e7eaf4;letter-spacing:.02em}
.diff{display:inline-flex;gap:3px}
.diff i{width:7px;height:7px;background:rgba(255,255,255,.14);transform:rotate(45deg)}
.diff i.on{background:var(--accent,var(--ember));box-shadow:0 0 8px rgba(255,120,40,.7)}
.realm{font-weight:800;color:var(--accent,var(--gold));letter-spacing:.05em;text-shadow:0 0 14px var(--accent-a,rgba(255,200,97,.4))}
.rail-card__loot{
  position:absolute;right:16px;bottom:16px;font-family:var(--font-tech);font-size:9px;
  letter-spacing:.14em;color:var(--muted-2);writing-mode:vertical-rl
}
.rail-end{
  width:clamp(240px,24vw,300px);height:min(52vh,520px);flex:0 0 auto;display:grid;place-content:center;
  gap:14px;text-align:center;border:1px dashed rgba(255,255,255,.16);
  background:radial-gradient(circle at 50% 40%,rgba(255,106,26,.1),transparent 70%)
}
.rail-end strong{font-family:var(--font-tech);font-size:44px;line-height:1;color:var(--gold);font-weight:700}
.rail-end span{font-size:12.5px;color:var(--muted);letter-spacing:.05em}
.rail-end a{font-size:12px;color:var(--arcane);border-bottom:1px solid rgba(84,230,255,.4);align-self:center;padding-bottom:2px}

/* ==========================================================================
   03 Fashion
   ========================================================================== */
.fashion{
  margin-top:46px;display:grid;grid-template-columns:1.55fr .9fr;gap:40px;align-items:center
}
.fashion__stage{
  position:relative;height:560px;perspective:1400px;perspective-origin:50% 46%;
  display:grid;place-items:center;touch-action:pan-y;cursor:grab;
  outline:none
}
.fashion__stage:active{cursor:grabbing}
.ring{
  position:relative;width:190px;height:260px;transform-style:preserve-3d;
  transform:rotateY(var(--rot,-15deg)) rotateX(-4deg);transition:transform .1s linear
}
.fit{
  position:absolute;inset:0;width:190px;height:260px;
  transform-style:preserve-3d;
  background:linear-gradient(165deg,rgba(255,255,255,.09),rgba(8,10,16,.96) 42%);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.13),0 0 60px -18px var(--glow,rgba(255,106,26,.7));
  clip-path:polygon(0 0,100% 0,100% calc(100% - 18px),calc(100% - 18px) 100%,0 100%);
  display:flex;flex-direction:column;overflow:hidden;backface-visibility:hidden;
  transition:opacity .5s,filter .5s;opacity:.42;filter:saturate(.5) brightness(.75)
}
.fit.is-active{opacity:1;filter:none}
.fit::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(70% 60% at 50% 108%,var(--glow,rgba(255,106,26,.35)),transparent 68%)
}
.fit__art{position:relative;flex:1;min-height:0}
.fit__art svg{position:absolute;inset:0;width:100%;height:100%}
.fit__name{padding:12px 14px 14px;text-align:center;position:relative}
.fit__name b{display:block;font-size:14.5px;font-weight:800;letter-spacing:.06em}
.fit__name em{font-style:normal;font-family:var(--font-display);font-size:7.5px;letter-spacing:.22em;color:var(--muted-2)}
.fit__rarity{
  position:absolute;top:8px;right:10px;font-family:var(--font-tech);font-size:8.5px;font-weight:700;
  letter-spacing:.14em;padding:2px 6px;color:#0c0a06;background:var(--rare,#ffb545)
}
.fashion__pedestal{position:absolute;left:50%;bottom:6%;width:min(340px,62%);height:90px;
  transform:translateX(-50%) rotateX(70deg);border-radius:50%;
  background:radial-gradient(closest-side,rgba(255,106,26,.4),rgba(255,106,26,.06) 60%,transparent);
  filter:blur(6px);pointer-events:none}
.fashion__pedestal i{position:absolute;inset:0;border:1px solid rgba(255,140,60,.35);border-radius:50%;
  animation:ringPulse 4s ease-out infinite}
.fashion__pedestal i:nth-child(2){animation-delay:1.3s}
.fashion__pedestal i:nth-child(3){animation-delay:2.6s}
@keyframes ringPulse{0%{transform:scale(.4);opacity:.9}100%{transform:scale(1.25);opacity:0}}
.fashion__nav{
  position:absolute;top:50%;transform:translateY(-50%);z-index:4;
  width:48px;height:48px;display:grid;place-items:center;color:#dfe4ef;
  background:rgba(10,12,18,.7);backdrop-filter:blur(8px);
  box-shadow:inset 0 0 0 1px var(--line-strong);
  clip-path:polygon(8px 0,100% 0,100% calc(100% - 8px),calc(100% - 8px) 100%,0 100%,0 8px);
  transition:background .3s,color .3s
}
.fashion__nav:hover{background:rgba(255,106,26,.9);color:#170800}
.fashion__nav svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.fashion__nav--prev{left:0}
.fashion__nav--next{right:0}

.fashion__info{padding-left:8px}
.fashion__rarity{
  font-family:var(--font-tech);font-size:11px;font-weight:700;letter-spacing:.3em;
  color:var(--rare,#ffb545);text-transform:uppercase;margin-bottom:10px
}
.fashion__info h3{font-size:clamp(28px,3vw,42px);font-weight:900;line-height:1.2;letter-spacing:.04em}
.fashion__en{font-family:var(--font-display);font-size:10px;letter-spacing:.3em;color:var(--muted-2);margin-top:10px}
.fashion__desc{margin-top:18px;font-size:14px;line-height:1.9;color:var(--muted);min-height:80px}
.fashion__meta{display:flex;gap:26px;margin-top:24px;padding-top:18px;border-top:1px solid var(--line)}
.fashion__meta dt{font-size:9.5px;letter-spacing:.18em;color:var(--muted-2);font-family:var(--font-tech);margin-bottom:5px}
.fashion__meta dd{font-size:14px;font-weight:700}
.fashion__dots{display:flex;gap:8px;margin-top:26px}
.fashion__dots b{width:22px;height:2px;background:rgba(255,255,255,.16);transition:.3s}
.fashion__dots b.on{background:var(--gold);box-shadow:0 0 10px rgba(255,180,80,.8);width:36px}

/* ==========================================================================
   04 Rewards
   ========================================================================== */
.rewards{display:grid;grid-template-columns:repeat(12,1fr);gap:16px;margin-top:52px}
.panel{
  position:relative;padding:26px 26px 28px;display:flex;flex-direction:column;
  background:linear-gradient(165deg,rgba(22,26,38,.9),rgba(9,11,17,.96));
  box-shadow:inset 0 0 0 1px var(--line)
}
.panel::before{
  content:"";position:absolute;top:0;left:0;width:44px;height:1px;background:var(--gold);opacity:.6
}
.panel--cdk{grid-column:span 5}
.panel--online{grid-column:span 7}
.panel--checkin{grid-column:span 12}
.panel__head{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.panel__head h3{font-size:19px;font-weight:800;letter-spacing:.03em}
.panel__idx{
  display:grid;place-items:center;width:24px;height:24px;font-family:var(--font-tech);
  font-size:11px;font-weight:700;color:var(--gold);background:rgba(255,160,60,.1);
  box-shadow:inset 0 0 0 1px rgba(255,160,60,.3)
}
.panel__live,.panel__streak{
  margin-left:auto;font-size:11.5px;color:var(--muted);display:flex;align-items:center;gap:7px;
  letter-spacing:.04em
}
.panel__live i{width:6px;height:6px;border-radius:50%;background:var(--jade);box-shadow:0 0 10px var(--jade);animation:pulse 2s infinite}
.panel__live b,.panel__streak b{font-family:var(--font-tech);font-size:16px;color:var(--gold)}
.panel__desc{font-size:12.5px;line-height:1.8;color:var(--muted-2);margin-bottom:18px}
.panel__desc b{color:var(--gold-soft);font-weight:700}

/* ---- 角色名绑定条 ---- */
.playerbar{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;
  margin-bottom:18px;padding:14px 16px;
  background:rgba(255,255,255,.025);box-shadow:inset 0 0 0 1px var(--line);
  clip-path:polygon(0 0,100% 0,100% calc(100% - 12px),calc(100% - 12px) 100%,0 100%);
}
.playerbar label{font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted-2);font-weight:700}
.playerbar input{
  flex:0 1 220px;min-width:0;height:42px;padding:0 14px;background:#080b12;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.1);border:0;
  font-family:var(--font-tech);font-size:14px;font-weight:700;letter-spacing:.08em;color:var(--gold-soft)
}
.playerbar input::placeholder{color:#4d566b;letter-spacing:.06em;font-weight:500}
.playerbar input:focus{outline:none;box-shadow:inset 0 0 0 1px var(--ember),0 0 24px -10px rgba(255,106,26,.9)}
.playerbar__tip{flex:1 1 100%;margin:0;font-size:11.5px;line-height:1.7;color:var(--muted-2)}
.playerbar__tip.is-bad{color:#ff9a6a}
@media (max-width:640px){.playerbar input{flex:1 1 100%}}

.cdk{display:flex;gap:10px}
.cdk input{
  flex:1;min-width:0;height:52px;padding:0 16px;
  background:#080b12;box-shadow:inset 0 0 0 1px rgba(255,255,255,.1);
  border:0;font-family:var(--font-tech);font-size:15px;font-weight:700;letter-spacing:.16em;
  color:var(--gold-soft);text-transform:uppercase;
  transition:box-shadow .3s,background .3s
}
.cdk input::placeholder{color:#4d566b;letter-spacing:.14em;font-weight:500}
.cdk input:focus{outline:none;box-shadow:inset 0 0 0 1px var(--ember),0 0 24px -8px rgba(255,106,26,.9);background:#0b0d15}
.cdk__hint{margin-top:14px;font-size:11.5px;color:var(--muted-2);display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.ghost-code{
  font-family:var(--font-tech);font-weight:700;letter-spacing:.1em;color:var(--arcane);
  border-bottom:1px dashed rgba(84,230,255,.45);padding:0 2px;transition:color .2s
}
.ghost-code:hover{color:#9ff1ff}
.cdk__result{margin-top:16px;font-size:12.5px;line-height:1.7;min-height:0;color:var(--muted);overflow:hidden}
.cdk__result.is-ok{
  color:var(--jade);padding:12px 14px;background:rgba(57,230,168,.07);
  box-shadow:inset 0 0 0 1px rgba(57,230,168,.28);
  animation:popIn .5s var(--ease)
}
.cdk__result.is-bad{
  color:#ff7b7b;padding:12px 14px;background:rgba(255,60,60,.07);
  box-shadow:inset 0 0 0 1px rgba(255,60,60,.28)
}
.cdk__result.is-bad ~ *{animation:none}
.cdk.is-shake{animation:shake .45s}
@keyframes shake{0%,100%{transform:translateX(0)}20%{transform:translateX(-7px)}40%{transform:translateX(6px)}60%{transform:translateX(-4px)}80%{transform:translateX(3px)}}
@keyframes popIn{from{transform:translateY(6px) scale(.98);opacity:0}to{transform:none;opacity:1}}

.timeline{position:relative;display:flex;flex-direction:column;gap:0}
.timeline::before{content:"";position:absolute;left:5px;top:12px;bottom:12px;width:1px;background:rgba(255,255,255,.1)}
.timeline li{
  position:relative;display:flex;align-items:center;gap:12px;padding:8px 0 8px 22px;
  transition:opacity .3s
}
.timeline .dot{
  position:absolute;left:0;top:50%;transform:translateY(-50%) rotate(45deg);
  width:11px;height:11px;background:#141926;box-shadow:inset 0 0 0 1px rgba(255,255,255,.2);
  transition:.3s
}
.timeline li.is-unlocked .dot{background:var(--jade);box-shadow:0 0 12px rgba(57,230,168,.8)}
.timeline li b{font-family:var(--font-tech);font-size:13px;font-weight:700;letter-spacing:.06em;min-width:74px}
.timeline li em{font-style:normal;font-size:12.5px;color:var(--muted);flex:1}
.timeline .claim{
  flex-shrink:0;height:30px;padding:0 14px;font-size:11.5px;font-weight:700;letter-spacing:.06em;
  color:#0b130f;background:linear-gradient(120deg,#5cf0bd,#2bc78d);
  clip-path:polygon(6px 0,100% 0,100% calc(100% - 6px),calc(100% - 6px) 100%,0 100%,0 6px);
  transition:.25s
}
.timeline .claim:hover{filter:brightness(1.1)}
.timeline li.is-locked{opacity:.5}
.timeline li.is-locked .claim{
  background:rgba(255,255,255,.06);color:var(--muted-2);box-shadow:inset 0 0 0 1px var(--line);cursor:not-allowed
}
.timeline li.is-claimed .claim{
  background:rgba(57,230,168,.12);color:var(--jade);box-shadow:inset 0 0 0 1px rgba(57,230,168,.35);cursor:default
}
.timeline li.is-claimed em{text-decoration:line-through;opacity:.4}

.checkin{display:grid;grid-template-columns:repeat(7,1fr);gap:10px;margin-bottom:20px}
.checkin__day{
  position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;
  min-height:108px;padding:14px 8px;
  background:rgba(255,255,255,.022);box-shadow:inset 0 0 0 1px var(--line);
  clip-path:polygon(0 0,100% 0,100% calc(100% - 12px),calc(100% - 12px) 100%,0 100%);
  transition:.35s var(--ease)
}
.checkin__day .d{font-family:var(--font-tech);font-size:10px;font-weight:700;letter-spacing:.18em;color:var(--muted-2)}
.checkin__day .r{font-size:12.5px;font-weight:700;color:#d9dee9;text-align:center;line-height:1.4}
.checkin__day:hover{background:rgba(255,255,255,.05);transform:translateY(-3px)}
.checkin__day.is-today{
  box-shadow:inset 0 0 0 1px rgba(255,140,60,.55),0 0 34px -14px rgba(255,106,26,.9);
  background:linear-gradient(180deg,rgba(255,106,26,.14),rgba(255,106,26,.02))
}
.checkin__day .today{
  position:absolute;top:-1px;left:50%;transform:translateX(-50%);
  font-size:9px;font-weight:700;letter-spacing:.14em;color:#170800;background:var(--gold);
  padding:2px 8px
}
.checkin__day--grand{
  background:linear-gradient(160deg,rgba(139,92,246,.16),rgba(255,106,26,.1));
  box-shadow:inset 0 0 0 1px rgba(160,120,255,.4)
}
.checkin__day--grand .r{color:var(--gold)}
.checkin__day .badge{
  position:absolute;bottom:6px;font-family:var(--font-tech);font-size:8.5px;letter-spacing:.16em;
  color:var(--gold);opacity:.9
}
.checkin__day.is-claimed{background:rgba(57,230,168,.06);box-shadow:inset 0 0 0 1px rgba(57,230,168,.3)}
.checkin__day.is-claimed::after{
  content:"✓";position:absolute;inset:0;display:grid;place-items:center;
  font-size:34px;color:var(--jade);background:rgba(6,12,10,.55);backdrop-filter:blur(1px)
}
.checkin__bar{display:flex;align-items:center;gap:18px;flex-wrap:wrap;padding-top:18px;border-top:1px solid var(--line)}
.checkin__note{font-size:12px;color:var(--muted-2)}
.checkin__note b{color:var(--gold)}

/* ==========================================================================
   05 Roadmap
   ========================================================================== */
.roadmap{position:relative;margin-top:54px;display:grid;grid-template-columns:1.5fr .85fr;gap:60px;align-items:start}
.roadmap__line{position:absolute;left:5px;top:8px;bottom:8px;width:1px;
  background:linear-gradient(to bottom,var(--ember) 0%,rgba(255,106,26,.3) 45%,rgba(255,255,255,.06) 100%)}
.roadmap__list{position:relative;display:flex;flex-direction:column;gap:26px}
.roadmap__list li{position:relative;padding-left:42px}
.roadmap__list .node{
  position:absolute;left:0;top:8px;width:11px;height:11px;transform:rotate(45deg);
  background:#141926;box-shadow:inset 0 0 0 1px rgba(255,255,255,.25)
}
.roadmap__list li.is-done .node{background:var(--ember);box-shadow:0 0 16px rgba(255,106,26,.9)}
.roadmap__list li.is-next .node{background:var(--arcane);box-shadow:0 0 0 4px rgba(84,230,255,.14),0 0 18px rgba(84,230,255,.9);
  animation:pulse 2.4s infinite}
.card{
  padding:22px 24px;background:linear-gradient(160deg,rgba(20,24,35,.8),rgba(9,11,17,.92));
  box-shadow:inset 0 0 0 1px var(--line);transition:.35s var(--ease)
}
.roadmap__list li:hover .card{box-shadow:inset 0 0 0 1px rgba(255,140,60,.35);transform:translateX(4px)}
.card__meta{display:flex;align-items:center;gap:12px;margin-bottom:8px}
.card__meta b{font-family:var(--font-tech);font-size:11px;letter-spacing:.2em;color:var(--muted)}
.card__meta i{
  font-style:normal;font-size:9.5px;letter-spacing:.14em;padding:2px 8px;
  color:var(--muted);background:rgba(255,255,255,.05);box-shadow:inset 0 0 0 1px var(--line)
}
.is-done .card__meta i{color:var(--jade);background:rgba(57,230,168,.08);box-shadow:inset 0 0 0 1px rgba(57,230,168,.25)}
.is-next .card__meta i{color:var(--arcane);background:rgba(84,230,255,.08);box-shadow:inset 0 0 0 1px rgba(84,230,255,.25)}
.card h3{font-size:19px;font-weight:800;letter-spacing:.02em;margin-bottom:8px}
.card p{font-size:13px;line-height:1.85;color:var(--muted)}

.pledge-card{
  position:sticky;top:100px;padding:34px 30px;overflow:hidden;
  background:
    radial-gradient(120% 100% at 100% 0%,rgba(255,106,26,.16),transparent 60%),
    linear-gradient(165deg,rgba(24,26,38,.95),rgba(9,10,16,.97));
  box-shadow:inset 0 0 0 1px rgba(255,140,60,.24)
}
.pledge-card::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(to right,rgba(255,255,255,.03) 1px,transparent 1px),
                   linear-gradient(to bottom,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:36px 36px;mask-image:radial-gradient(circle at 100% 0%,#000,transparent 75%);
  -webkit-mask-image:radial-gradient(circle at 100% 0%,#000,transparent 75%)
}
.pledge-card__label{font-family:var(--font-display);font-size:9.5px;letter-spacing:.34em;color:var(--ember);margin-bottom:14px}
.pledge-card h3{font-size:25px;font-weight:900;margin-bottom:14px}
.pledge-card p{font-size:13.5px;line-height:1.9;color:var(--muted);position:relative}
.pledge-card__row{display:flex;flex-direction:column;gap:10px;margin-top:24px;padding-top:20px;border-top:1px solid var(--line)}
.pledge-card__row span{font-size:12px;color:var(--muted);display:flex;align-items:baseline;gap:8px}
.pledge-card__row b{font-family:var(--font-tech);font-size:22px;color:var(--gold);line-height:1}

/* ==========================================================================
   06 Join
   ========================================================================== */
.join{
  position:relative;z-index:2;overflow:hidden;padding:clamp(80px,11vw,150px) 0;
  border-top:1px solid var(--line)
}
.join__bg{
  position:absolute;inset:0;z-index:-1;
  background:
    radial-gradient(60% 70% at 50% 100%,rgba(255,106,26,.22),transparent 70%),
    radial-gradient(40% 60% at 15% 20%,rgba(84,230,255,.09),transparent 70%),
    radial-gradient(40% 60% at 85% 25%,rgba(139,92,246,.12),transparent 70%);
}
.join__bg::after{
  content:"";position:absolute;inset:auto 0 0;height:60%;
  background-image:
    linear-gradient(to right, rgba(255,140,70,.12) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,140,70,.12) 1px, transparent 1px);
  background-size:76px 76px;transform:perspective(520px) rotateX(66deg);transform-origin:bottom;
  mask-image:linear-gradient(to top,#000,transparent 80%);
  -webkit-mask-image:linear-gradient(to top,#000,transparent 80%);opacity:.5
}
.join__inner{width:var(--shell);margin:0 auto;text-align:center}
.join__lead{margin-top:18px;font-family:var(--font-tech);font-size:12.5px;letter-spacing:.18em;
  color:var(--muted);text-transform:uppercase}
.join__ip{
  position:relative;display:flex;flex-direction:column;align-items:center;gap:6px;
  width:min(560px,100%);margin:36px auto 0;padding:26px 28px;
  background:linear-gradient(160deg,rgba(30,22,18,.85),rgba(9,10,16,.95));
  box-shadow:inset 0 0 0 1px rgba(255,150,70,.4),0 30px 70px -40px rgba(255,106,26,.9);
  clip-path:polygon(18px 0,100% 0,100% calc(100% - 18px),calc(100% - 18px) 100%,0 100%,0 18px);
  transition:.35s var(--ease);overflow:hidden
}
.join__ip::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,transparent 34%,rgba(255,200,120,.16) 48%,transparent 62%);
  transform:translateX(-120%);transition:transform .9s var(--ease-io)
}
.join__ip:hover{transform:translateY(-3px);box-shadow:inset 0 0 0 1px rgba(255,180,90,.75),0 40px 90px -38px rgba(255,106,26,1)}
.join__ip:hover::after{transform:translateX(120%)}
.join__ip-label{font-family:var(--font-tech);font-size:10px;letter-spacing:.34em;color:var(--muted-2)}
.join__ip strong{font-family:var(--font-tech);font-size:clamp(28px,4.2vw,50px);font-weight:700;
  letter-spacing:.1em;line-height:1.15;
  background:linear-gradient(180deg,#fff,#ffc98a);-webkit-background-clip:text;background-clip:text;color:transparent}
.join__ip-copy{display:flex;align-items:center;gap:7px;font-size:11.5px;color:var(--muted);margin-top:2px}
.join__ip-copy svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round}

.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:44px;text-align:left}
.step{
  position:relative;padding:24px 24px 26px;
  background:rgba(12,14,21,.66);box-shadow:inset 0 0 0 1px var(--line);
  transition:.35s var(--ease)
}
.step:hover{background:rgba(20,22,32,.85);box-shadow:inset 0 0 0 1px rgba(255,140,60,.3);transform:translateY(-4px)}
.step span{font-family:var(--font-display);font-size:30px;color:transparent;
  -webkit-text-stroke:1px rgba(255,150,70,.55);display:block;margin-bottom:12px;line-height:1}
.step h3{font-size:15.5px;font-weight:800;margin-bottom:8px}
.step p{font-size:12.5px;line-height:1.8;color:var(--muted)}
.step p b{color:var(--gold);font-family:var(--font-tech);letter-spacing:.08em}

.join__community{display:flex;gap:14px;justify-content:center;margin-top:28px;flex-wrap:wrap}
.community{
  display:flex;align-items:center;gap:14px;padding:14px 22px 14px 16px;
  background:rgba(255,255,255,.03);box-shadow:inset 0 0 0 1px var(--line);
  transition:.3s;min-width:230px
}
.community:hover{background:rgba(255,255,255,.07);box-shadow:inset 0 0 0 1px rgba(255,140,60,.35)}
.community__ic{
  display:grid;place-items:center;width:36px;height:36px;flex-shrink:0;
  font-family:var(--font-display);font-size:15px;color:#170800;
  background:linear-gradient(140deg,#ffc861,#ff7a1a)
}
.community span:last-child{display:flex;flex-direction:column;text-align:left;line-height:1.3}
.community b{font-size:13px;font-weight:700}
.community em{font-style:normal;font-family:var(--font-tech);font-size:12px;letter-spacing:.1em;color:var(--muted)}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer{border-top:1px solid var(--line);background:#05060a;position:relative;z-index:2}
.footer__inner{
  width:var(--shell);margin:0 auto;padding:44px 0 46px;
  display:grid;grid-template-columns:1.2fr auto;gap:26px 40px;align-items:start
}
.footer__brand{display:flex;gap:14px;align-items:flex-start}
.footer__brand strong{font-size:16px;font-weight:900;letter-spacing:.12em;display:block}
.footer__brand p{font-size:11.5px;color:var(--muted-2);letter-spacing:.06em;margin-top:6px}
.footer__links{display:flex;gap:26px;flex-wrap:wrap;justify-content:flex-end}
.footer__links a{font-size:12.5px;color:var(--muted);transition:color .2s}
.footer__links a:hover{color:var(--gold)}
.footer__legal{grid-column:1/-1;font-size:11px;line-height:1.8;color:#4c5468;padding-top:22px;border-top:1px solid rgba(255,255,255,.05)}

/* ==========================================================================
   Toasts
   ========================================================================== */
.toasts{position:fixed;right:24px;bottom:24px;z-index:260;display:flex;flex-direction:column;gap:10px;align-items:flex-end}
.toast{
  display:flex;align-items:center;gap:12px;padding:14px 20px;
  background:rgba(12,14,22,.96);backdrop-filter:blur(14px);
  box-shadow:inset 0 0 0 1px rgba(255,150,70,.35),0 20px 50px -20px rgba(0,0,0,.9);
  clip-path:polygon(10px 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%,0 10px);
  animation:toastIn .45s var(--ease) forwards;max-width:min(360px,86vw)
}
.toast.is-out{animation:toastOut .3s var(--ease-io) forwards}
.toast__ic{
  display:grid;place-items:center;width:22px;height:22px;flex-shrink:0;
  color:#07200f;background:var(--jade);font-size:12px;font-weight:900
}
.toast p{font-size:13px;line-height:1.6}
.toast p b{color:var(--gold);font-family:var(--font-tech);letter-spacing:.06em}
@keyframes toastIn{from{opacity:0;transform:translateY(14px) scale(.97)}to{opacity:1;transform:none}}
@keyframes toastOut{to{opacity:0;transform:translateY(8px) scale(.98)}}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width:1180px){
  .nav__links a span{display:none}
  .nav__inner{gap:20px}
  .bento{grid-template-columns:repeat(2,1fr)}
  .bento__card{grid-column:span 1}
  .bento__card--wide{grid-column:span 2;grid-row:auto}
  .bento__card--pledge{grid-column:span 2}
  .fashion{grid-template-columns:1.3fr .9fr;gap:24px}
}
/* short desktop viewports (laptops ~ 1366×768 / 1024×680) */
@media (max-height:840px) and (min-width:961px){
  .hero{padding-top:calc(var(--nav-h) + 18px);padding-bottom:64px}
  .hero__title{margin-top:20px}
  .hero__title-cn{font-size:clamp(56px,10.2vw,150px)}
  .hero__title::before{font-size:clamp(76px,12.4vw,190px)}
  .hero__lead{margin-top:18px;font-size:15px;line-height:1.8}
  .hero__cta{margin-top:24px}
  .server{margin-top:14px}
  .stats{margin-top:28px}
  .section__head--inline{margin-bottom:16px}
  .section__head--inline .display{font-size:clamp(28px,3.2vw,42px)}
  .section__head--inline .lede{font-size:12.5px;line-height:1.65;margin-top:6px}
  .sticky-view{padding-top:calc(var(--nav-h) + 4px)}
  .rail-card,.rail-end{height:min(44vh,420px)}
  .rail-card__body{padding:16px 20px 18px;gap:7px}
}
@media (max-width:960px){
  :root{--nav-h:66px}
  .nav__links{
    position:fixed;inset:var(--nav-h) 0 auto;flex-direction:column;align-items:stretch;
    background:rgba(6,7,12,.97);backdrop-filter:blur(20px);padding:14px 5vw 26px;gap:2px;
    border-bottom:1px solid var(--line);
    transform:translateY(-12px);opacity:0;pointer-events:none;transition:.35s var(--ease);
  }
  .nav.is-open .nav__links{transform:none;opacity:1;pointer-events:auto}
  .nav__links a{padding:15px 6px;font-size:15px;border-bottom:1px solid rgba(255,255,255,.05)}
  .nav__links a span{display:inline}
  .nav__links a::after{display:none}
  .nav__burger{display:block}
  .nav__status{display:none}
  .bento{grid-template-columns:repeat(6,1fr)}
  .bento__card{grid-column:span 3}
  .bento__card--wide{grid-column:span 6;grid-row:auto}
  .bento__card--pledge{grid-column:span 6}
  .bento__card--wide .bento__art{height:220px}
  .section__head--inline{grid-template-columns:1fr}
  .hscroll-meter,.hscroll-hint{grid-column:1;grid-row:auto;justify-self:start;text-align:left}
  .hscroll-meter{width:120px}
  .sticky-wrap{height:auto}
  .sticky-view{position:relative;height:auto;padding:0 0 clamp(40px,7vw,70px)}
  .section__head--inline{margin-bottom:26px}
  /* ====== rail: 手机端改为 flex 横滑，不再撑出视口 ====== */
  .rail{width:100%;max-width:100%}
  .rail__track{
    display:flex;gap:14px;padding:6px 6px 26px;
    width:100%;max-width:100%;overflow-x:auto;
    scroll-snap-type:x mandatory;scrollbar-width:none;
    transform:none !important;
  }
  .rail__track::-webkit-scrollbar{display:none}
  .rail-card,.rail-end{
    flex:0 0 auto;scroll-snap-align:center;
    width:min(72vw,340px);height:min(540px,82vw);
  }
  .fashion{grid-template-columns:1fr;gap:10px;margin-top:24px}
  .fashion__stage{height:470px}
  .fashion__info{padding:0 0 10px;text-align:center}
  .fashion__desc{min-height:0}
  .fashion__meta{justify-content:center}
  .fashion__dots{justify-content:center}
  .panel--cdk,.panel--online{grid-column:span 12}
  .checkin{grid-template-columns:repeat(4,1fr)}
  .checkin__day--grand{grid-column:span 4}
  .pledge-card{position:relative;top:0}
  .steps{grid-template-columns:1fr}
  .footer__inner{grid-template-columns:1fr}
  .footer__links{justify-content:flex-start}
}
@media (max-width:680px){
  :root{--cut:12px}
  body{font-size:15px}
  .brand__text strong{font-size:16px;letter-spacing:.1em}
  .brand__text em{font-size:7.5px;letter-spacing:.2em}
  .nav__actions{gap:10px}
  .btn--mini{display:none}
  /* ====== Hero: 手机端强制禁用 WebGL canvas，用静态 fallback 图 ====== */
  .hero{padding-top:calc(var(--nav-h) + 18px);padding-bottom:56px;min-height:auto}
  .hero__canvas{display:none}
  .hero__fallback{display:grid;opacity:.58}
  .hero__title{margin-top:20px}
  .hero__title-cn{font-size:clamp(46px,15.4vw,86px);gap:0.01em}
  .hero__title::before{font-size:clamp(70px,26vw,130px);top:-.3em}
  .eyebrow{font-size:9.5px;letter-spacing:.16em;gap:8px;padding:8px 12px}
  .hero__lead{font-size:14px;margin-top:20px;line-height:1.85}
  .br-m{display:block}
  .hero__cta{gap:10px;margin-top:26px}
  .btn{height:48px;padding:0 22px;font-size:14px;flex:1 1 auto}
  .server{margin-top:16px}
  .server__label{display:none}
  .server code{font-size:13.5px}
  .stats{margin-top:36px;gap:0;width:100%;display:grid;grid-template-columns:1fr 1fr}
  .stats__item{padding:12px 0;border-left:0;border-top:1px solid var(--line)}
  .stats__item:nth-child(-n+2){border-top:0}
  .stats dd{font-size:24px}
  .hero__scroll{display:none}
  .marquee__track span{font-size:11px}
  .marquee__track i{margin:0 16px}
  .display{font-size:clamp(30px,7.6vw,44px)}
  .display--xl{font-size:clamp(34px,9.4vw,52px)}
  .bento{grid-template-columns:1fr;margin-top:36px}
  .bento__card,.bento__card--wide,.bento__card--pledge{grid-column:span 1}
  .bento__card--pledge{flex-direction:column;align-items:flex-start;gap:20px;padding:24px}
  .pledge__seal{width:76px;height:76px}
  .bento__art,.bento__card--wide .bento__art{height:190px}
  .bento__card--wide .bento__body h3{max-width:100%}
  .rail-card,.rail-end{width:76vw;height:min(480px,70vw)}
  .rail-card h3{font-size:19px}
  /* ====== Fashion 环形塌陷：降 perspective + 3D 卡片堆成堆叠卡 ====== */
  .fashion__stage{
    height:360px;perspective:700px;overflow:hidden;
  }
  .ring{
    /* 手机端放弃 3D 环形 */
    transform:none !important;width:100%;height:100%;top:auto;left:auto;
    margin:0;transform-style:flat;
    display:flex;justify-content:center;align-items:center;gap:0;
    position:relative;
  }
  /* 实际卡片 class 是 .fit 不是 .ring__card */
  .ring .fit{
    position:absolute;width:110px;height:150px;margin:0;
    /* 清掉 JS 可能残留的内联 transform */
    transform:none !important;
    transition:opacity .35s var(--ease),transform .35s var(--ease);
  }
  .ring .fit.is-active{opacity:1;z-index:5}
  .ring .fit[data-dot="0"]{transform:translateX(0) scale(1) !important;opacity:1;z-index:5}
  .ring .fit[data-dot="1"]{transform:translateX(-62px) scale(.82) !important;opacity:.5;z-index:3}
  .ring .fit[data-dot="2"]{transform:translateX(62px) scale(.82) !important;opacity:.5;z-index:3}
  .ring .fit[data-dot="3"]{transform:translateX(-102px) scale(.62) !important;opacity:.12;z-index:1}
  .ring .fit[data-dot="4"]{transform:translateX(102px) scale(.62) !important;opacity:.12;z-index:1}
  .ring .fit:not([data-dot]){display:none}
  .fashion__nav{width:40px;height:40px}
  .checkin{grid-template-columns:repeat(3,1fr)}
  .checkin__day--grand{grid-column:span 3}
  .checkin__day{min-height:96px}
  .checkin__bar{gap:12px}
  .checkin__bar .btn{width:100%}
  .card{padding:18px}
  .join__ip{padding:22px 18px}
  .join__ip strong{font-size:clamp(24px,7.4vw,34px);letter-spacing:.06em}
  .community{min-width:0;width:100%}
  .toasts{right:12px;left:12px;bottom:12px;align-items:stretch}
  .toast{max-width:none}
  .cursor{display:none}
  .panel{padding:20px}
  .section{padding:clamp(52px,11vw,76px) 0}
  .kicker{margin-bottom:16px;font-size:10px}

  /* ====== 性能降级：关掉手机上吃 GPU 的特效 ====== */
  body::before{opacity:.22}
  body::after{opacity:.04}
  .fx__grain{display:none}
  .fx__vignette{opacity:.3}
  .fx canvas#embers{display:none}
  .fx{opacity:.5}
  .hero__glow{opacity:.2}
  .hero__grid{display:none}
  .marquee{display:none}
  .js .reveal{opacity:1 !important;transform:none !important;transition:none !important;animation:none !important}
  .section__head .kicker span{
    clip-path:none;border-radius:3px;
  }
}
@media (max-width:400px){
  .hero__title-cn{font-size:44px}
  .stats dt{font-size:9px}
  .ver-tabs{gap:3px;padding-bottom:0}
  .ver-tab{padding:10px 10px 12px;font-size:11.5px}
  .ver-stat{padding:14px 12px}
  .rail-card,.rail-end{width:80vw}
}

/* ---------- Motion accessibility ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;animation-iteration-count:1 !important;
    transition-duration:.001ms !important;scroll-behavior:auto !important
  }
  .hero__title-cn i,.hero__lead,.hero__cta,.server,.stats,.eyebrow,
  .hero__title-en,.js .reveal{opacity:1 !important;transform:none !important}
  .hero__canvas{opacity:1}
  .fx__grain{display:none}
  .hscroll-meter{display:none}
}
@media (pointer:coarse){
  .cursor{display:none}
}

/* ---------- voxel diorama micro-motion ---------- */
.dz-float{transform-box:fill-box;transform-origin:center;animation:dzFloat 4.6s ease-in-out infinite alternate}
@keyframes dzFloat{from{transform:translateY(0)}to{transform:translateY(-10px)}}
.ring{transition:none}
.bento__art svg,.rail-card__art svg,.fit__art svg{overflow:visible}

/* anchor offset for the fixed header */
section[id],div[id="stickyWrap"]{scroll-margin-top:calc(var(--nav-h) + 16px)}

/* keep the horizontal rail usable with keyboard */
.rail-card:focus-visible{outline:2px solid var(--arcane);outline-offset:4px}

/* ==========================================================================
   06 Guide teaser — 新人攻略入口
   ========================================================================== */
.guide-teaser{
  position:relative;display:grid;grid-template-columns:1.12fr .88fr;
  gap:clamp(24px,4vw,56px);align-items:center;
  padding:clamp(28px,3.6vw,54px);
  border:1px solid var(--line-strong);overflow:hidden;
  background:
    radial-gradient(82% 130% at 106% 0%, rgba(255,106,26,.16), transparent 62%),
    radial-gradient(60% 120% at -10% 100%, rgba(84,230,255,.06), transparent 62%),
    linear-gradient(160deg, rgba(17,21,33,.94), rgba(7,9,15,.94));
  clip-path:polygon(22px 0,100% 0,100% calc(100% - 22px),calc(100% - 22px) 100%,0 100%,0 22px);
}
.guide-teaser::before{
  content:"";position:absolute;left:0;top:0;right:0;height:1px;pointer-events:none;
  background:linear-gradient(90deg,transparent,rgba(255,200,97,.65),rgba(255,106,26,.35),transparent);
}
.guide-teaser::after{
  content:"GUIDE";position:absolute;right:16px;bottom:-20px;line-height:1;
  font-family:var(--font-display);font-size:clamp(68px,9vw,128px);letter-spacing:.06em;
  color:rgba(255,255,255,.022);pointer-events:none;
}
.guide-teaser__body{position:relative;z-index:2;max-width:600px}
.guide-teaser__body .display{font-size:clamp(30px,3.6vw,50px)}
.guide-teaser__chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px}
.guide-teaser__chips li{
  padding:6px 14px;font-size:12px;letter-spacing:.06em;color:var(--muted);
  border:1px solid var(--line-strong);border-radius:999px;
  background:rgba(255,255,255,.02);
}
.guide-teaser__chips li::before{content:"◆";color:var(--ember);font-size:8px;margin-right:7px;vertical-align:1px}
.guide-teaser__cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}

/* 右侧 3D 装饰 */
.guide-teaser__art{
  position:relative;z-index:1;height:clamp(210px,26vw,300px);
  perspective:900px;pointer-events:none;
}
.gt-cube{
  position:absolute;width:var(--s);height:var(--s);
  transform-style:preserve-3d;animation:gtSpin 26s linear infinite;
}
.gt-cube i{
  position:absolute;inset:0;
  border:1px solid rgba(255,200,97,.22);
  background:linear-gradient(140deg,rgba(255,200,97,.10),rgba(255,106,26,.02));
}
.gt-cube i:nth-child(1){transform:translateZ(calc(var(--s)/2))}
.gt-cube i:nth-child(2){transform:rotateY(180deg) translateZ(calc(var(--s)/2))}
.gt-cube i:nth-child(3){transform:rotateY(90deg) translateZ(calc(var(--s)/2))}
.gt-cube i:nth-child(4){transform:rotateY(-90deg) translateZ(calc(var(--s)/2))}
.gt-cube i:nth-child(5){transform:rotateX(90deg) translateZ(calc(var(--s)/2))}
.gt-cube i:nth-child(6){transform:rotateX(-90deg) translateZ(calc(var(--s)/2))}
.gt-cube--a{--s:88px;left:4%;top:10%;animation-duration:30s}
.gt-cube--b{--s:50px;right:9%;bottom:12%;animation-duration:20s;animation-direction:reverse}
.gt-cube--b i{border-color:rgba(84,230,255,.24);background:linear-gradient(140deg,rgba(84,230,255,.09),rgba(84,230,255,.01))}
@keyframes gtSpin{from{transform:rotateX(-16deg) rotateY(0deg)}to{transform:rotateX(-16deg) rotateY(360deg)}}

.gt-page{
  position:absolute;left:50%;top:50%;
  width:min(72%,220px);aspect-ratio:3/4;
  display:flex;flex-direction:column;gap:10px;padding:24px 20px;
  border:1px solid rgba(255,200,97,.28);border-radius:3px;
  background:linear-gradient(160deg,rgba(21,27,40,.96),rgba(8,10,17,.96));
  box-shadow:0 34px 64px -24px rgba(0,0,0,.85), inset 0 0 44px rgba(255,106,26,.05);
  animation:gtFloat 6.5s ease-in-out infinite alternate;
}
.gt-page::before{
  content:"";position:absolute;left:16px;top:14px;width:26px;height:3px;
  background:var(--gold);box-shadow:0 0 12px rgba(255,200,97,.7);
}
.gt-page__bar{height:6px;border-radius:2px;background:linear-gradient(90deg,rgba(255,200,97,.5),rgba(255,200,97,.06))}
.gt-page__bar:nth-child(2){width:84%}
.gt-page__bar--short{width:58%}
.gt-page__tag{
  margin-top:auto;font-family:var(--font-tech);font-size:9.5px;
  letter-spacing:.3em;color:var(--ember);
}
@keyframes gtFloat{
  from{transform:translate(-50%,-50%) rotateY(-18deg) rotateX(8deg) translateZ(0)}
  to{transform:translate(-50%,-54%) rotateY(-11deg) rotateX(4deg) translateZ(18px)}
}

@media (max-width:980px){
  .guide-teaser{grid-template-columns:1fr;gap:30px}
  .guide-teaser::after{display:none}
  .guide-teaser__art{height:190px;max-width:420px;margin:0 auto;width:100%}
}
@media (max-width:600px){
  .guide-teaser{padding:24px 20px;clip-path:polygon(16px 0,100% 0,100% calc(100% - 16px),calc(100% - 16px) 100%,0 100%,0 16px)}
  .guide-teaser__art{display:none}
  .guide-teaser__cta{gap:10px}
  .guide-teaser__cta .btn{height:48px;padding:0 20px;font-size:13.5px;flex:1 1 auto}
}

/* ==========================================================================
   05 Version / Changelog — 版本 / 更新
   ========================================================================== */
.section--version{position:relative}

/* 统计四格 */
.ver-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:14px;
  margin-top:48px;
}
.ver-stat{
  position:relative;padding:22px 20px 20px;overflow:hidden;
  border:1px solid var(--line);border-radius:var(--radius);
  background:linear-gradient(160deg,rgba(19,23,35,.9),rgba(8,10,17,.92));
  clip-path:polygon(14px 0,100% 0,100% calc(100% - 14px),calc(100% - 14px) 100%,0 100%,0 14px);
  transition:border-color .4s,transform .4s var(--ease);
}
.ver-stat::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:2px;
  background:linear-gradient(180deg,var(--gold),var(--ember));
  opacity:.65;
}
.ver-stat:hover{border-color:rgba(255,170,70,.34);transform:translateY(-3px)}
.ver-stat b{
  display:block;font-family:var(--font-tech);font-size:clamp(30px,3.4vw,44px);
  line-height:1;color:var(--gold);letter-spacing:.02em;
}
.ver-stat span{
  display:block;margin-top:10px;font-size:12px;letter-spacing:.14em;
  color:var(--muted-2);text-transform:uppercase;
}

/* Tab 栏 */
.ver-tabs{
  display:flex;flex-wrap:wrap;gap:8px;
  margin-top:36px;padding-bottom:0;
  border-bottom:1px solid var(--line);
}
.ver-tab{
  position:relative;display:inline-flex;align-items:center;gap:8px;
  padding:13px 20px 15px;font-size:13.5px;font-weight:700;letter-spacing:.04em;
  color:var(--muted-2);border:1px solid transparent;border-bottom:0;
  background:transparent;transition:color .3s,background .3s,border-color .3s;
  white-space:nowrap;
}
.ver-tab::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;
  background:linear-gradient(90deg,var(--ember),var(--gold));
  transform:scaleX(0);transform-origin:left;transition:transform .4s var(--ease);
}
.ver-tab em{
  font-family:var(--font-tech);font-style:normal;font-size:11px;font-weight:700;
  padding:1px 7px;border-radius:999px;color:var(--muted-2);
  background:rgba(255,255,255,.05);
  transition:color .3s,background .3s;
}
.ver-tab:hover{color:var(--ink)}
.ver-tab.is-active{color:var(--gold)}
.ver-tab.is-active::after{transform:scaleX(1)}
.ver-tab.is-active em{color:#1a0a00;background:var(--gold)}

/* 面板容器 */
.ver-panels{
  margin-top:0;padding:clamp(20px,2.6vw,32px);
  border:1px solid var(--line);border-top:0;
  background:linear-gradient(160deg,rgba(15,19,29,.86),rgba(7,9,15,.9));
}
.ver-panel{display:none}
.ver-panel.is-active{display:block;animation:verFade .45s var(--ease) both}
@keyframes verFade{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

/* 表格 */
.ver-scroll{overflow-x:auto;overscroll-behavior-x:contain}
.ver-table{
  width:100%;min-width:660px;border-collapse:collapse;
  font-size:13.5px;line-height:1.75;
}
.ver-table th{
  padding:0 14px 12px;text-align:left;font-family:var(--font-tech);
  font-size:10.5px;font-weight:700;letter-spacing:.26em;color:var(--muted-2);
  text-transform:uppercase;border-bottom:1px solid var(--line-strong);
}
.ver-table th:first-child,
.ver-table td:first-child{width:56px;padding-left:0}
.ver-table th:last-child,
.ver-table td:last-child{padding-right:0}
.ver-table td{
  padding:14px 14px;vertical-align:top;
  border-bottom:1px solid rgba(255,255,255,.05);
  color:var(--muted);
}
.ver-table tbody tr{transition:background .3s}
.ver-table tbody tr:hover{background:rgba(255,106,26,.045)}
.ver-table tbody tr:last-child td{border-bottom:0}
.ver-table td:first-child{
  font-family:var(--font-tech);font-weight:700;color:var(--ember);
  letter-spacing:.04em;
}
.ver-table td:nth-child(2){color:var(--ink);font-weight:500}
.ver-table code{
  font-family:var(--font-tech);font-size:12.5px;font-weight:700;
  padding:1px 6px;border-radius:3px;
  color:var(--gold);background:rgba(255,200,97,.1);
  border:1px solid rgba(255,200,97,.18);
  white-space:nowrap;
}

/* NEW 标签 */
.ver-tag{
  display:inline-block;margin-right:9px;padding:1px 7px;
  font-family:var(--font-tech);font-size:9.5px;font-weight:700;letter-spacing:.18em;
  vertical-align:1px;border-radius:2px;
}
.ver-tag--new{color:#04210f;background:var(--jade)}

/* 奖励 / 自检列表 */
.ver-list{display:flex;flex-direction:column;gap:10px}
.ver-item{
  position:relative;padding:15px 18px 15px 40px;
  font-size:13.5px;line-height:1.85;color:var(--muted);
  border:1px solid var(--line);border-radius:var(--radius);
  background:rgba(255,255,255,.018);
  transition:border-color .35s,background .35s,transform .35s var(--ease);
}
.ver-item::before{
  content:"◆";position:absolute;left:18px;top:16px;
  font-size:8px;color:var(--ember);
}
.ver-item:hover{border-color:rgba(255,170,70,.3);background:rgba(255,106,26,.05);transform:translateX(3px)}
.ver-item b{color:var(--gold);font-weight:700}
.ver-item code{
  font-family:var(--font-tech);font-size:12.5px;font-weight:700;
  padding:1px 6px;border-radius:3px;
  color:var(--arcane);background:rgba(84,230,255,.09);
  border:1px solid rgba(84,230,255,.2);
}

/* 已知问题 */
.ver-note{display:flex;flex-direction:column;gap:13px}
.ver-note p{
  position:relative;padding-left:0;
  font-size:13.5px;line-height:1.9;color:var(--muted);
}
.ver-note b{color:var(--ink);font-weight:700}
.ver-note code{
  font-family:var(--font-tech);font-size:12.5px;font-weight:700;
  padding:1px 6px;border-radius:3px;
  color:var(--arcane);background:rgba(84,230,255,.09);
  border:1px solid rgba(84,230,255,.2);
}

/* 面板页脚 */
.ver-foot{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  margin-top:22px;padding-top:16px;border-top:1px solid var(--line);
  font-family:var(--font-tech);font-size:11.5px;letter-spacing:.1em;
  color:var(--muted-2);
}
.ver-foot span:last-child{color:var(--gold)}

/* 承诺卡容器 */
.ver-pledge{
  display:grid;grid-template-columns:repeat(3,1fr);gap:16px;
  margin-top:24px;
}
.ver-pledge .pledge-card{grid-column:span 3;max-width:none}

@media (max-width:980px){
  .ver-stats{grid-template-columns:repeat(2,1fr);gap:12px}
  .ver-tab{padding:12px 16px 14px;font-size:12.5px}
  .ver-pledge{grid-template-columns:1fr}
  .ver-pledge .pledge-card{grid-column:span 1}
}
@media (max-width:640px){
  .ver-stats{margin-top:34px}
  .ver-stat{padding:16px 14px}
  .ver-stat b{font-size:30px}
  .ver-stat span{font-size:10.5px;letter-spacing:.1em}
  .ver-tabs{
    flex-wrap:nowrap;overflow-x:auto;gap:4px;
    margin-top:26px;scrollbar-width:none;
  }
  .ver-tabs::-webkit-scrollbar{display:none}
  .ver-tab{padding:11px 13px 13px;font-size:12px}
  .ver-tab em{display:none}
  .ver-panels{padding:14px 12px}
  /* ====== 表格彻底取消横向滚动，允许单元格自动换行 ====== */
  .ver-scroll{overflow-x:visible}
  .ver-table{min-width:unset;width:100%;max-width:100%;font-size:12.5px;table-layout:fixed}
  .ver-table th{font-size:9.5px;letter-spacing:.18em;padding:0 6px 10px}
  .ver-table th:first-child,.ver-table td:first-child{width:38px}
  .ver-table th:nth-child(2),.ver-table td:nth-child(2){width:34%}
  .ver-table td{
    padding:10px 8px;line-height:1.55;
    word-break:break-word;overflow-wrap:break-word;
    white-space:normal;
  }
  .ver-table td:first-child{font-size:10.5px}
  .ver-table code{white-space:nowrap}
  .ver-item{padding:13px 14px 13px 34px;font-size:12.5px}
  .ver-item::before{left:14px;top:14px}
  .ver-note p{font-size:12.5px}
  .ver-foot{font-size:10.5px;letter-spacing:.06em}
}
@media (max-width:400px){
  .ver-panels{padding:12px 10px}
  .ver-table{font-size:11.5px;line-height:1.5}
  .ver-table th,.ver-table td{padding:8px 6px}
  .ver-table td:first-child{width:32px;font-size:10px}
  .ver-table th:nth-child(2),.ver-table td:nth-child(2){width:38%}
  .ver-table code{font-size:11.5px}
}