/* Pure Ascend — dark brand site. Palette derived from the logo mark. */

:root{
  /* 基底：Pure Ascend logo 的森林绿压到近黑 */
  --bg:#181110;
  --surface:#221813;
  --surface-2:#2C201A;
  --line:rgba(243,232,210,.11);
  --line-2:rgba(243,232,210,.2);
  --heading:#FFFFFF;
  --text:#F0EAE4;
  --text-2:#C0B2A6;
  --text-3:#95877C;
  /* 暖色强调：取自 Nanomster 吉祥物，母公司与产品视觉上连起来 */
  --amber:#F2A63C;
  --amber-soft:#FBD98A;
  --amber-deep:#E07A35;
  --amber-text:#F2A63C;   /* 深底上的强调文字 */
  --cream:#F3E8D2;
  --sage:#B09E90;
  --warm-bg:#FBF6EC;
  --maxw:1220px;
}

/* 浅色区块：整套 token 就地覆盖，卡片/标签/正文自动跟随 */
.sec--light{
  --surface:#FFFFFF;
  --surface-2:#FCF8F0;
  --line:rgba(38,26,20,.12);
  --line-2:rgba(38,26,20,.24);
  --heading:#1A120F;
  --text:#1B2420;
  --text-2:#55635C;
  --text-3:#7A867F;
  --amber-text:#A24B08;   /* 浅底上的强调文字：加深以满足 WCAG AA */
  background:var(--warm-bg);
  color:var(--text);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:90px}
body{margin:0;background:var(--bg);color:var(--text);
  font-family:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC",sans-serif;
  font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased;
  display:flex;flex-direction:column;min-height:100vh}
main{flex:1 0 auto}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
p{margin:0 0 1em}
h1,h2,h3,h4{margin:0;font-family:"Archivo","Inter",sans-serif;font-weight:700;
  letter-spacing:-.02em;line-height:1.07;color:var(--heading)}
/* 标题里的暖色强调词 */
.hl{color:var(--amber-text)}
.hl-grad{background:linear-gradient(96deg,var(--amber-soft),var(--amber) 42%,var(--amber-deep));
  -webkit-background-clip:text;background-clip:text;color:transparent}
h1{font-size:clamp(34px,6.4vw,76px);text-transform:uppercase;letter-spacing:-.025em}
h2{font-size:clamp(27px,4vw,50px)}
h3{font-size:20px;letter-spacing:-.014em}
.w{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:24px}

/* label: small caps with a leading dash */
.lab{display:inline-flex;align-items:center;gap:11px;font-size:11.5px;font-weight:600;
  letter-spacing:.18em;text-transform:uppercase;color:var(--amber-text);margin-bottom:18px}
.lab::before{content:"";width:26px;height:2px;border-radius:2px;flex:0 0 auto;
  background:linear-gradient(90deg,var(--amber),var(--amber-deep))}

/* ── header ── */
.hdr{position:sticky;top:0;z-index:60;background:rgba(24,17,16,.84);
  backdrop-filter:saturate(180%) blur(12px);-webkit-backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--line)}
.hdr .w{display:flex;align-items:center;gap:30px;height:76px}
.logo{display:flex;align-items:center;gap:11px}
.logo .mark{width:36px;height:36px;flex:0 0 auto}
.logo b{font-family:"Archivo",sans-serif;font-size:15px;font-weight:700;letter-spacing:.02em;color:#fff}
.menu{display:flex;gap:30px;margin-left:14px}
.menu a{font-size:13.5px;font-weight:500;letter-spacing:.04em;color:var(--text-2)}
.menu a:hover,.menu a[aria-current]{color:var(--cream)}
.hdr .right{margin-left:auto;display:flex;align-items:center;gap:12px}
.burger{display:none;margin-left:auto;background:none;border:1px solid var(--line-2);border-radius:7px;
  padding:9px 13px;font:inherit;font-size:13px;font-weight:500;color:var(--text);cursor:pointer}

/* ── buttons: pill with arrow disc ── */
.btn{display:inline-flex;align-items:center;gap:14px;padding:8px 8px 8px 26px;border-radius:100px;
  font-family:"Archivo",sans-serif;font-size:15px;font-weight:600;letter-spacing:-.005em;
  border:1px solid transparent;cursor:pointer;transition:transform .2s,background .2s,border-color .2s}
.btn .disc{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;flex:0 0 auto;
  transition:transform .25s}
.btn:hover{transform:translateY(-2px)}
.btn:hover .disc{transform:translateX(3px)}
.btn svg{width:16px;height:16px}
.btn-cream{background:linear-gradient(96deg,var(--amber),var(--amber-deep));color:#231402;
  box-shadow:0 6px 22px rgba(224,122,53,.28)}
.btn-cream .disc{background:rgba(35,20,2,.88);color:var(--amber-soft)}
.btn-cream:hover{box-shadow:0 10px 30px rgba(224,122,53,.4)}
.btn-line{border-color:var(--line-2);color:var(--text)}
.btn-line .disc{background:rgba(243,232,210,.12);color:var(--cream)}
.btn-line:hover{border-color:var(--amber);color:var(--amber-soft)}
.btn-sm{padding:7px 7px 7px 20px;font-size:13.5px;gap:10px}
.btn-sm .disc{width:30px;height:30px}
.btn-sm svg{width:13px;height:13px}
.btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}

/* ── hero ── */
.hero{position:relative;overflow:hidden;text-align:center;
  padding:clamp(70px,11vw,140px) 0 clamp(64px,9vw,118px);border-bottom:1px solid var(--line)}
.hero::before{content:"";position:absolute;inset:-30% 20% auto 20%;height:70%;
  background:radial-gradient(ellipse at center,rgba(242,166,60,.20),transparent 68%);pointer-events:none}
.hero .w{position:relative;z-index:1}
.hero h1{max-width:17ch;margin-inline:auto}
.hero .sub{font-size:clamp(16px,1.7vw,19px);color:var(--text-2);max-width:56ch;margin:26px auto 0}
.hero .btns{justify-content:center}

/* ── sections ── */
.sec{padding:clamp(60px,7.5vw,110px) 0}
.sec-line{border-top:1px solid var(--line)}
.sec-head{max-width:70ch;margin-bottom:clamp(32px,4.4vw,54px)}
.sec-head p{font-size:17px;color:var(--text-2);margin:16px 0 0}
.sec-head .em{color:var(--cream)}

/* ── cards ── */
.grid{display:grid;gap:18px}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--surface);border:1px solid var(--line);border-radius:14px;
  padding:30px 28px;display:flex;flex-direction:column;transition:border-color .22s,background .22s,transform .22s}
.card{position:relative;overflow:hidden}
.card::after{content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--amber),var(--amber-deep));
  transform:scaleX(0);transform-origin:0 50%;transition:transform .32s cubic-bezier(.2,.7,.3,1)}
.card:hover::after{transform:scaleX(1)}
.card:hover{border-color:rgba(242,166,60,.45);background:var(--surface-2);transform:translateY(-3px)}
.card .n{font-family:"Archivo",sans-serif;font-size:13px;font-weight:700;letter-spacing:.1em;
  color:var(--amber-text);margin-bottom:20px}
.card h3{margin-bottom:10px}
.card p{color:var(--text-2);font-size:15px;margin-bottom:0}
.card ul{list-style:none;margin:16px 0 0;padding:0;display:grid;gap:9px}
.card li{font-size:14px;color:var(--text-3);padding-left:18px;position:relative}
.card li::before{content:"";position:absolute;left:0;top:9px;width:5px;height:5px;border-radius:50%;background:var(--sage)}

/* ── product feature ── */
.feat{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(30px,5vw,68px);align-items:center}
.feat .panel{background:linear-gradient(158deg,var(--surface-2),var(--surface));
  border:1px solid var(--line);border-radius:18px;padding:clamp(28px,3.6vw,44px)}
.feat .panel h4{font-size:12px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;
  color:var(--sage);margin-bottom:20px}
.feat .panel ul{list-style:none;margin:0;padding:0}
.feat .panel li{padding:15px 0;border-top:1px solid var(--line);font-size:15px;color:var(--text-2)}
.feat .panel li:first-child{border-top:0;padding-top:0}
.nm-lock{display:flex;align-items:center;gap:15px;margin:0 0 18px}
.nm-lock .nm-icon{width:60px;height:60px;border-radius:14px;flex:0 0 auto}
.nm-lock .nm-word{height:30px;width:auto;filter:brightness(0) invert(1)}

/* ── steps ── */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.step{border-top:2px solid var(--line);padding-top:22px;position:relative}
.step::before{content:"";position:absolute;top:-2px;left:0;width:46px;height:2px;
  background:linear-gradient(90deg,var(--amber),var(--amber-deep))}
.step .sn{font-family:"Archivo",sans-serif;font-size:46px;font-weight:700;line-height:1;
  background:linear-gradient(140deg,var(--amber-soft),var(--amber-deep));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.step h3{margin:10px 0 8px}
.step p{color:var(--text-2);font-size:14.5px;margin:0}

/* ── cta band ── */
.band{background:linear-gradient(118deg,var(--amber-soft) 0%,var(--amber) 46%,var(--amber-deep) 100%);
  color:#2A1804;position:relative;overflow:hidden}
.band .w{padding:clamp(42px,5.4vw,74px) 24px;display:flex;flex-wrap:wrap;gap:26px;
  align-items:center;justify-content:space-between}
.band h2{color:#1A120F;max-width:18ch;text-transform:uppercase}
.band p{color:#331F05;margin:12px 0 0;max-width:44ch}
.band .btns{margin-top:0}
.band .btn-dark{background:#1F1612;color:#FFF6E4}
.band .btn-dark .disc{background:var(--amber-soft);color:#1F1612}
.band .btn-darkline{border-color:rgba(23,33,28,.34);color:#1F1612}
.band .btn-darkline .disc{background:rgba(23,33,28,.12);color:#1F1612}
.band .btn-darkline:hover{border-color:#1F1612;background:rgba(255,255,255,.22)}

/* ── page header ── */
.phead{padding:clamp(46px,6vw,84px) 0;border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.phead::before{content:"";position:absolute;inset:-60% 40% auto -10%;height:140%;
  background:radial-gradient(ellipse at center,rgba(242,166,60,.16),transparent 70%);pointer-events:none}
.phead .w{position:relative;z-index:1}
.phead p{font-size:17px;color:var(--text-2);max-width:60ch;margin:16px 0 0}
.crumb{font-size:12.5px;color:var(--text-3);margin-bottom:14px}
.crumb a:hover{color:var(--cream)}

/* ── details ── */
.dl{margin:0;display:grid;grid-template-columns:auto 1fr;gap:13px 28px;font-size:15px}
.dl dt{font-size:11.5px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--sage);padding-top:4px}
.dl dd{margin:0;color:var(--text-2)}
.dl a{color:var(--cream);border-bottom:1px solid var(--line-2)}

/* ── prose ── */
.prose{max-width:72ch}
.prose h2{font-size:23px;margin:36px 0 10px}
.prose h2:first-of-type{margin-top:0}
.prose p,.prose li{color:var(--text-2);font-size:15.5px}
.prose ul{padding-left:1.15em;margin:0 0 1em}
.prose li{margin-bottom:.45em}
.prose a{color:var(--cream);border-bottom:1px solid var(--line-2)}
.prose strong{color:var(--text)}

/* ── footer ── */
.ftr{background:#120C0A;border-top:1px solid var(--line);padding:clamp(48px,5.5vw,76px) 0 0;font-size:14.5px;color:var(--text-3)}
.ftr a:hover{color:var(--cream)}
.ftr .cols{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.4fr;gap:40px;padding-bottom:42px}
.ftr h4{font-family:"Archivo",sans-serif;font-size:11.5px;font-weight:700;letter-spacing:.16em;
  text-transform:uppercase;color:var(--sage);margin:0 0 18px}
.ftr ul{list-style:none;margin:0;padding:0;display:grid;gap:11px}
.ftr .flogo{display:flex;align-items:center;gap:11px;margin-bottom:18px}
.ftr .flogo .mark{width:38px;height:38px}
.ftr .flogo b{font-family:"Archivo",sans-serif;color:#fff;font-size:15px;font-weight:700}
.ftr address{font-style:normal;line-height:1.75;margin-bottom:16px}
.ftr address strong{display:block;color:var(--text-2);font-weight:600}
.ftr .bar{border-top:1px solid var(--line);padding:20px 0 30px;display:flex;flex-wrap:wrap;
  gap:12px 26px;justify-content:space-between;font-size:13px}

/* ── floating contact ── */
.float{position:fixed;right:20px;bottom:20px;z-index:70;width:54px;height:54px;border-radius:50%;
  background:var(--cream);color:#1A120F;display:grid;place-items:center;
  box-shadow:0 6px 24px rgba(0,0,0,.4);transition:transform .2s}
.float:hover{transform:scale(1.06)}
.float svg{width:23px;height:23px}

@media (max-width:940px){
  .g3,.g2,.feat,.steps{grid-template-columns:1fr}
  .ftr .cols{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:720px){
  .menu{display:none;position:absolute;top:76px;left:0;right:0;flex-direction:column;gap:0;
    background:var(--surface);border-bottom:1px solid var(--line);padding:6px 24px 16px;margin:0}
  .menu.open{display:flex}
  .menu a{padding:13px 0;border-bottom:1px solid var(--line)}
  .burger{display:block}
  .hdr .right{display:none}
  .btn{width:100%;justify-content:space-between}
  .btns{flex-direction:column}
  .band .w{flex-direction:column;align-items:flex-start}
  .ftr .cols{grid-template-columns:1fr}
  .dl{grid-template-columns:1fr;gap:3px 0}
  .dl dd{margin-bottom:14px}
  .float{right:14px;bottom:14px;width:48px;height:48px}
}

/* ── live demo: phone frame running the real nanomster.com ── */
.demo{display:grid;grid-template-columns:1fr auto;gap:clamp(34px,5vw,72px);align-items:center}
.demo .copy h2{margin-bottom:18px}
.demo .copy p{color:var(--text-2)}
.fx{list-style:none;margin:26px 0 0;padding:0;display:grid;gap:14px}
.fx li{display:flex;gap:13px;align-items:flex-start;font-size:15px;color:var(--text-2)}
.fx .ic{width:30px;height:30px;border-radius:8px;background:rgba(243,232,210,.1);color:var(--cream);
  display:grid;place-items:center;flex:0 0 auto;margin-top:1px}
.fx .ic svg{width:15px;height:15px}
.fx b{display:block;color:var(--text);font-weight:600;font-size:15px;margin-bottom:1px}

.stage{display:flex;flex-direction:column;align-items:center;gap:16px}
.tabs{display:flex;flex-wrap:wrap;gap:7px;justify-content:center}
.tabs button{font:inherit;font-size:12.5px;font-weight:500;padding:8px 15px;border-radius:100px;
  background:transparent;border:1px solid var(--line-2);color:var(--text-2);cursor:pointer;
  transition:background .18s,color .18s,border-color .18s}
.tabs button:hover{color:var(--cream);border-color:var(--cream)}
.tabs button[aria-selected="true"]{background:var(--cream);border-color:var(--cream);color:#1A120F;font-weight:600}

/* bezel: 300x620 screen inside a hardware-looking shell */
.phone{--sw:300px;--sh:620px;position:relative;width:calc(var(--sw) + 22px);
  padding:11px;border-radius:44px;background:linear-gradient(160deg,#39463F,#141A17 55%,#2A352F);
  box-shadow:0 22px 60px rgba(0,0,0,.55),inset 0 0 0 1px rgba(243,232,210,.1)}
.phone .screen{position:relative;width:var(--sw);height:var(--sh);border-radius:34px;overflow:hidden;
  background:#fff}
.phone .island{position:absolute;top:9px;left:50%;transform:translateX(-50%);width:84px;height:23px;
  border-radius:100px;background:#0B0F0D;z-index:3;pointer-events:none}
.phone iframe{width:390px;height:806px;border:0;display:block;
  transform:scale(0.7692);transform-origin:0 0;background:#fff}
.phone .load{position:absolute;inset:0;display:grid;place-items:center;background:#F7F5F0;
  color:#6B7770;font-size:13px;z-index:1;transition:opacity .4s;text-align:center;padding:24px}
.phone .load.gone{opacity:0;pointer-events:none}
.stage .note{font-size:12.5px;color:var(--text-3);text-align:center;max-width:300px}
.stage .note a{color:var(--cream);border-bottom:1px solid var(--line-2)}

@media (max-width:940px){
  .demo{grid-template-columns:1fr}
  .stage{margin-top:8px}
}
@media (max-width:420px){
  .phone{--sw:264px;--sh:546px;padding:9px;border-radius:38px}
  .phone .screen{border-radius:30px}
  .phone iframe{transform:scale(0.6769)}
}


/* ── 浅色区块内的组件微调 ── */
.sec--light .card{box-shadow:0 1px 2px rgba(38,26,20,.04),0 10px 30px rgba(38,26,20,.05)}
.sec--light .card:hover{box-shadow:0 2px 6px rgba(38,26,20,.06),0 18px 44px rgba(38,26,20,.09)}
.sec--light .fx .ic{background:rgba(242,166,60,.2);color:var(--amber-text)}
.sec--light .tabs button{border-color:var(--line-2);color:var(--text-2)}
.sec--light .tabs button:hover{color:var(--amber-text);border-color:var(--amber-deep)}
.sec--light .tabs button[aria-selected="true"]{
  background:linear-gradient(96deg,var(--amber),var(--amber-deep));border-color:transparent;color:#231402}
.sec--light .stage .note{color:var(--text-3)}
.sec--light .stage .note a{color:var(--amber-text);border-bottom-color:var(--line-2)}
.sec--light .btn-line{border-color:var(--line-2);color:var(--text)}
.sec--light .btn-line .disc{background:rgba(242,166,60,.2);color:var(--amber-text)}
.sec--light .btn-line:hover{border-color:var(--amber-text);color:var(--amber-text)}
.sec--light .phead p,.sec--light .sec-head p{color:var(--text-2)}
.sec--light .sec-head .em{color:var(--amber-text);font-weight:600}
.sec--light .prose p,.sec--light .prose li{color:var(--text-2)}
.sec--light .dl dd{color:var(--text-2)}
.sec--light .dl a{color:var(--amber-text)}
.sec--light .nm-lock .nm-word{filter:none}
.sec--light .hl-grad{background:none;-webkit-background-clip:border-box;background-clip:border-box;
  color:var(--amber-text)}

/* 深色区块里的强调文字 */
.sec-head .em{color:var(--amber-soft);font-weight:600}
.fx .ic{background:rgba(242,166,60,.14);color:var(--amber)}
.tabs button[aria-selected="true"]{
  background:linear-gradient(96deg,var(--amber),var(--amber-deep));border-color:transparent;color:#231402}
.tabs button:hover{color:var(--amber-soft);border-color:var(--amber)}
.stage .note a{color:var(--amber-soft)}
.float{background:linear-gradient(140deg,var(--amber-soft),var(--amber-deep));color:#241503;
  box-shadow:0 8px 28px rgba(224,122,53,.42)}
.feat .panel h4{color:var(--amber-text)}
.split .box li::before,.card li::before{background:var(--amber)}
.ftr h4{color:var(--amber)}

/* ── 图标：渐变描边圆角方块 ── */
.ico{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;flex:0 0 auto;
  background:linear-gradient(140deg,rgba(242,166,60,.22),rgba(224,122,53,.12));
  border:1px solid rgba(242,166,60,.3);color:var(--amber);margin-bottom:20px}
.ico svg{width:22px;height:22px}
.sec--light .ico{background:linear-gradient(140deg,rgba(242,166,60,.26),rgba(224,122,53,.14));
  border-color:rgba(162,75,8,.24);color:var(--amber-text)}

/* ── 奖励流程图 ── */
.rewards{margin-top:clamp(34px,4.4vw,56px)}
.flow{display:grid;grid-template-columns:repeat(3,1fr);gap:0;position:relative;margin-bottom:26px}
.flow::before{content:"";position:absolute;top:31px;left:16%;right:16%;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--amber-soft),var(--amber) 50%,var(--amber-deep));opacity:.5}
.node{text-align:center;position:relative;padding:0 10px}
.node .bub{width:62px;height:62px;border-radius:50%;margin:0 auto 16px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--amber-soft),var(--amber-deep));color:#241503;
  box-shadow:0 8px 24px rgba(224,122,53,.3);position:relative;z-index:1}
.node .bub svg{width:26px;height:26px}
.node b{display:block;font-family:"Archivo",sans-serif;font-size:15px;font-weight:700;
  color:var(--heading);margin-bottom:5px;letter-spacing:-.01em}
.node span{font-size:13.5px;color:var(--text-2);line-height:1.55;display:block}
.tiers{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.tier{border:1px solid var(--line);border-radius:14px;padding:20px 22px;background:var(--surface);
  position:relative;overflow:hidden}
.tier::before{content:"";position:absolute;inset:0 auto 0 0;width:3px;
  background:linear-gradient(180deg,var(--amber-soft),var(--amber-deep))}
.tier .k{font-family:"Archivo",sans-serif;font-size:11px;font-weight:700;letter-spacing:.14em;
  text-transform:uppercase;color:var(--amber-text);display:block;margin-bottom:8px}
.tier b{display:block;font-family:"Archivo",sans-serif;font-size:19px;font-weight:700;
  color:var(--heading);letter-spacing:-.012em;margin-bottom:5px}
.tier span{font-size:13.5px;color:var(--text-2)}
.note-soft{margin-top:18px;font-size:13px;color:var(--text-3);line-height:1.6}

/* ── 渐变分隔与柔光 ── */
.rule-grad{height:2px;border:0;margin:0;border-radius:2px;
  background:linear-gradient(90deg,transparent,var(--amber) 22%,var(--amber-deep) 78%,transparent);opacity:.4}
.glow{position:relative;overflow:hidden}
.glow::after{content:"";position:absolute;width:52%;aspect-ratio:1;border-radius:50%;
  right:-14%;top:-24%;pointer-events:none;
  background:radial-gradient(circle,rgba(242,166,60,.16),transparent 66%)}
.sec--light .glow::after{background:radial-gradient(circle,rgba(242,166,60,.3),transparent 68%)}

@media (max-width:820px){
  .flow{grid-template-columns:1fr;gap:26px}
  .flow::before{display:none}
  .node{display:flex;align-items:flex-start;gap:16px;text-align:left;padding:0}
  .node .bub{margin:0;width:52px;height:52px}
  .node .bub svg{width:22px;height:22px}
  .tiers{grid-template-columns:1fr}
}

/* ── 滚动滑入 ──
   隐藏态只在 JS 就绪后生效（html.js-anim），JS 失效时内容照常显示。 */
html.js-anim [data-reveal]{opacity:0;transform:translateX(-56px);
  transition:opacity .68s cubic-bezier(.2,.72,.28,1),transform .78s cubic-bezier(.16,.78,.26,1)}
html.js-anim [data-reveal="right"]{transform:translateX(56px)}
html.js-anim [data-reveal].in{opacity:1;transform:none}
html.js-anim [data-reveal][data-d="1"]{transition-delay:.11s}
html.js-anim [data-reveal][data-d="2"]{transition-delay:.22s}
html.js-anim [data-reveal][data-d="3"]{transition-delay:.33s}
html.js-anim [data-reveal][data-d="4"]{transition-delay:.44s}
html.js-anim [data-reveal][data-d="5"]{transition-delay:.55s}
html.js-anim [data-reveal][data-d="6"]{transition-delay:.66s}
@media (prefers-reduced-motion:reduce){
  html.js-anim [data-reveal]{opacity:1;transform:none;transition:none}
}


/* ── 闪烁星点 ── */
.sparks{position:absolute;inset:0;pointer-events:none;overflow:hidden;z-index:0}
.spark{position:absolute;color:var(--amber);opacity:0;
  animation:twinkle 4.2s ease-in-out infinite}
.spark svg{width:100%;height:100%;display:block;
  filter:drop-shadow(0 0 6px rgba(242,166,60,.55))}
@keyframes twinkle{
  0%,100%{opacity:0;transform:scale(.55) rotate(0deg)}
  18%{opacity:.95;transform:scale(1.08) rotate(22deg)}
  42%{opacity:.35;transform:scale(.85) rotate(38deg)}
  62%{opacity:.8;transform:scale(1) rotate(52deg)}
}
.spark:nth-child(1){top:16%;left:7%;width:16px;height:16px;animation-delay:0s}
.spark:nth-child(2){top:62%;left:12%;width:10px;height:10px;animation-delay:1.1s}
.spark:nth-child(3){top:26%;right:10%;width:19px;height:19px;animation-delay:.45s}
.spark:nth-child(4){top:72%;right:16%;width:12px;height:12px;animation-delay:2.1s}
.spark:nth-child(5){top:8%;left:38%;width:9px;height:9px;animation-delay:1.7s}
.spark:nth-child(6){bottom:12%;left:46%;width:14px;height:14px;animation-delay:2.8s}
.spark:nth-child(7){top:44%;right:32%;width:8px;height:8px;animation-delay:3.4s}
.spark:nth-child(8){top:34%;left:24%;width:11px;height:11px;animation-delay:.8s}
.sec--light .spark{color:var(--amber-deep)}
.sec--light .spark svg{filter:drop-shadow(0 0 5px rgba(224,122,53,.4))}
.band .spark{color:#FFF3DA}
.band .spark svg{filter:drop-shadow(0 0 7px rgba(255,255,255,.7))}
@media (prefers-reduced-motion:reduce){
  .spark{animation:none;opacity:.42}
}
@media (max-width:640px){
  .spark:nth-child(n+6){display:none}
}


/* 横向滑入的待入场元素会越过区块边界，用 clip 裁掉。
   用 clip 而非 hidden：hidden 会创建滚动容器，导致吸顶导航失效。 */
.sec,.phead,.band,.hero{overflow-x:clip}
@supports not (overflow-x:clip){
  .sec,.phead{overflow-x:hidden}
}


/* ── 暖色舞台 ──
   原为蓝紫星空，与品牌色不同源。改为米色底 + 琥珀光晕 + 细点阵，
   夹在上下两个深色区块之间，靠明暗形成对比。 */
.celestial{
  --surface:#FFFFFF;
  --surface-2:#FCF8F0;
  --line:rgba(38,26,20,.13);
  --line-2:rgba(38,26,20,.24);
  --heading:#1A120F;
  --text:#1B2420;
  --text-2:#55635C;
  --text-3:#7A867F;
  --amber-text:#A24B08;
  position:relative;overflow:hidden;color:var(--text);
  background:
    radial-gradient(900px 520px at 16% -8%, rgba(242,166,60,.30), transparent 62%),
    radial-gradient(760px 480px at 88% 6%,  rgba(224,122,53,.22), transparent 64%),
    radial-gradient(680px 520px at 62% 112%, rgba(251,217,138,.34), transparent 62%),
    linear-gradient(168deg,#FEFBF4 0%,#FBF3E4 48%,#F8EEDF 100%);
}
/* 细点阵，给暖色底一点质感 */
.celestial .stars{
  position:absolute;inset:0;pointer-events:none;z-index:0;
  background-image:radial-gradient(rgba(162,75,8,.16) 1px, transparent 1px);
  background-size:26px 26px;
  -webkit-mask-image:radial-gradient(70% 60% at 50% 40%, #000 20%, transparent 78%);
  mask-image:radial-gradient(70% 60% at 50% 40%, #000 20%, transparent 78%);
  opacity:.55;
}
.celestial .stars.near{display:none}
.celestial > .w{position:relative;z-index:1}
.celestial .spark{color:var(--amber-deep)}
.celestial .spark svg{filter:drop-shadow(0 0 5px rgba(224,122,53,.42))}
.celestial .tabnote{background:rgba(255,255,255,.72);border-color:var(--line)}
.celestial .tabnote .tn-k span{border-color:rgba(162,75,8,.26);color:var(--amber-text)}
.celestial .tabs button{border-color:var(--line-2);color:var(--text-2)}
.celestial .tabs button:hover{color:var(--amber-text);border-color:var(--amber-deep)}
.celestial .tabs button[aria-selected="true"]{
  background:linear-gradient(96deg,var(--amber),var(--amber-deep));border-color:transparent;color:#231402}
.celestial .stage .note{color:var(--text-3)}
.celestial .stage .note a{color:var(--amber-text)}
.celestial .btn-line{border-color:var(--line-2);color:var(--text)}
.celestial .btn-line .disc{background:rgba(242,166,60,.2);color:var(--amber-text)}
.celestial .btn-line:hover{border-color:var(--amber-text);color:var(--amber-text)}

/* ── 随标签切换的功能说明 ── */
.tabnote{margin-top:20px;border:1px solid var(--line);border-radius:14px;
  padding:18px 20px;background:rgba(255,255,255,.04);max-width:420px;
  transition:opacity .28s ease, transform .28s ease}
.tabnote.swap{opacity:0;transform:translateY(6px)}
.tabnote .tn-k{display:flex;align-items:center;gap:10px;margin-bottom:7px}
.tabnote .tn-k span{width:30px;height:30px;border-radius:9px;display:grid;place-items:center;flex:0 0 auto;
  background:linear-gradient(140deg,rgba(242,166,60,.28),rgba(224,122,53,.14));
  border:1px solid rgba(242,166,60,.32);color:var(--amber)}
.tabnote .tn-k span svg{width:15px;height:15px}
.tabnote .tn-k b{font-family:"Archivo",sans-serif;font-size:15px;font-weight:700;
  color:var(--heading);letter-spacing:-.01em}
.tabnote p{margin:0;font-size:14.5px;color:var(--text-2)}


/* ── Who we are：左文右图 ── */
.intro{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(32px,5vw,74px);
  align-items:center;margin-bottom:clamp(34px,4.4vw,56px)}
.intro .sec-head{margin-bottom:0}
.emblem{position:relative;aspect-ratio:1/.92;display:grid;place-items:center}
.emblem svg{width:100%;height:100%;overflow:visible}
.emblem .ring{position:absolute;inset:8%;border-radius:50%;
  background:radial-gradient(circle,rgba(242,166,60,.2),transparent 66%)}
.emblem .cv{fill:none;stroke-linecap:round;stroke-linejoin:round;
  filter:drop-shadow(0 6px 18px rgba(224,122,53,.28))}
.emblem .lbl{font-family:"Inter",sans-serif;font-size:11px;font-weight:600;
  letter-spacing:.14em;text-transform:uppercase;fill:var(--text-3)}
.emblem .lbl.on{fill:var(--amber-text)}
.emblem .tick{stroke:var(--line-2);stroke-width:1}
@media (max-width:940px){
  .intro{grid-template-columns:1fr;gap:30px}
  .emblem{max-width:360px;margin-inline:auto;aspect-ratio:1/.8}
}

/* ── 桃色光晕背景 ──
   色值取自参考图：中心 #EE9875 → #F2B49B → #F5D2BF → 底 #F7F1E5。
   注意：桃色中心亮度较高，常规次级文字与琥珀强调色在此不达标，
   本区块内统一加深（实测中心处 #55635C 仅 2.82:1、#A24B08 仅 2.65:1）。 */
.peach{
  --surface:#FFFFFF;
  --surface-2:#FFFBF4;
  --line:rgba(38,26,20,.15);
  --line-2:rgba(38,26,20,.27);
  --heading:#1A120F;
  --text:#1B2420;
  --text-2:#37423C;
  --text-3:#5A655E;
  --amber-text:#5E2702;
  color:var(--text);
  position:relative;overflow:hidden;
  background:
    radial-gradient(circle at 50% 44%,
      #EE9875 0%, #F0A183 13%, #F2B49B 29%, #F5D2BF 47%, rgba(247,241,229,0) 70%),
    #F7F1E5;
}
.peach > .w{position:relative;z-index:1}
.peach::before{display:none}           /* 关掉旧的琥珀径向光，避免与桃色叠加发浑 */

.peach h1,.peach h2,.peach h3,.peach h4{color:var(--heading)}
.peach .sub{color:var(--text-2)}
.peach .hl,.peach .lab{color:var(--amber-text)}
.peach .hl-grad{background:none;-webkit-background-clip:border-box;background-clip:border-box;
  color:var(--amber-text)}

/* 浅底上主按钮改深色实底，暖色留给箭头盘 */
.peach .btn-cream{background:linear-gradient(96deg,#2A1E18,#1A120F);color:#FFF6E4;
  box-shadow:0 6px 22px rgba(28,19,14,.22)}
.peach .btn-cream .disc{background:var(--amber);color:#241503}
.peach .btn-cream:hover{box-shadow:0 10px 30px rgba(28,19,14,.3)}
.peach .btn-line{border-color:rgba(38,26,20,.32);color:var(--text)}
.peach .btn-line .disc{background:rgba(38,26,20,.1);color:var(--text)}
.peach .btn-line:hover{border-color:var(--text);color:var(--text)}

/* 星点在桃色上改深赭，保证可见 */
.peach .spark{color:#9E3F0D}
.peach .spark svg{filter:drop-shadow(0 0 5px rgba(158,63,13,.34))}

/* 产品区：深色面板压在桃色光晕上，形成焦点 */
.peach .feat .panel{background:linear-gradient(158deg,#2A1E18,#150E0B);
  border-color:rgba(243,232,210,.14)}
.peach .feat .panel h4{color:var(--amber)}
.peach .feat .panel li{color:#D2C5B8;border-top-color:rgba(243,232,210,.13)}
.peach .nm-lock .nm-word{filter:none}
.peach .inline-list li{border-color:var(--line-2);color:var(--text-2)}
.peach .sub a,.peach .body a{color:var(--amber-text)}


/* ── 高级深色区块 ──
   深墨绿基底 + 双向柔光 + 细颗粒噪点 + 顶部琥珀发丝，
   比纯平深色更有层次。噪点用内联 SVG 生成，零外部请求。 */
.lux{
  --surface:rgba(255,255,255,.048);
  --surface-2:rgba(255,255,255,.082);
  --line:rgba(243,232,210,.13);
  --line-2:rgba(243,232,210,.24);
  --heading:#FFFFFF;
  --text:#F0EAE4;
  --text-2:#C3B5A8;
  --text-3:#9A8C80;
  --amber-text:#F2A63C;
  position:relative;overflow:hidden;color:var(--text);
  background:
    radial-gradient(980px 560px at 10% -12%, rgba(242,166,60,.15), transparent 62%),
    radial-gradient(860px 540px at 94% 16%, rgba(124,78,50,.5), transparent 66%),
    radial-gradient(700px 480px at 52% 118%, rgba(224,122,53,.10), transparent 64%),
    linear-gradient(166deg,#1A120F 0%,#241A15 44%,#120C0A 100%);
}
.lux::before{content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  background-image:url("data:image/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27180%27%20height%3D%27180%27%3E%3Cfilter%20id%3D%27n%27%3E%3CfeTurbulence%20type%3D%27fractalNoise%27%20baseFrequency%3D%27.85%27%20numOctaves%3D%273%27%20stitchTiles%3D%27stitch%27%2F%3E%3CfeColorMatrix%20type%3D%27saturate%27%20values%3D%270%27%2F%3E%3C%2Ffilter%3E%3Crect%20width%3D%27180%27%20height%3D%27180%27%20filter%3D%27url%28%23n%29%27%20opacity%3D%27.5%27%2F%3E%3C%2Fsvg%3E");
  background-size:180px 180px;opacity:.06;mix-blend-mode:overlay}
/* 顶部一道极细的暖色分界，深色区块之间也能分出层次 */
.lux::after{content:"";position:absolute;top:0;left:0;right:0;height:1px;z-index:1;pointer-events:none;
  background:linear-gradient(90deg,transparent,rgba(242,166,60,.5) 28%,rgba(224,122,53,.42) 72%,transparent)}
.lux > .w{position:relative;z-index:2}
.lux .sparks{z-index:1}

/* 星点层在 lux 下改为极淡的白色点阵 */
.lux .stars{position:absolute;inset:0;pointer-events:none;z-index:0;
  background-image:radial-gradient(rgba(255,252,244,.22) 1px, transparent 1px);
  background-size:30px 30px;
  -webkit-mask-image:radial-gradient(76% 64% at 50% 42%, #000 18%, transparent 80%);
  mask-image:radial-gradient(76% 64% at 50% 42%, #000 18%, transparent 80%);
  opacity:.5}
.lux .stars.near{display:none}

.lux .spark{color:var(--amber)}
.lux .spark svg{filter:drop-shadow(0 0 7px rgba(242,166,60,.6))}
.lux .card{background:var(--surface);border-color:var(--line);
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
.lux .card:hover{background:var(--surface-2);border-color:rgba(242,166,60,.42)}
.lux .ico{background:linear-gradient(140deg,rgba(242,166,60,.24),rgba(224,122,53,.12));
  border-color:rgba(242,166,60,.32);color:var(--amber)}
.lux .tabnote{background:rgba(255,255,255,.055);border-color:var(--line)}
.lux .tabnote .tn-k span{border-color:rgba(242,166,60,.34);color:var(--amber)}
.lux .tabs button{border-color:var(--line-2);color:var(--text-2)}
.lux .tabs button:hover{color:var(--amber-soft);border-color:var(--amber)}
.lux .tabs button[aria-selected="true"]{
  background:linear-gradient(96deg,var(--amber),var(--amber-deep));border-color:transparent;color:#231402}
.lux .stage .note{color:var(--text-3)}
.lux .stage .note a{color:var(--amber-soft)}
.lux .btn-line{border-color:var(--line-2);color:var(--text)}
.lux .btn-line .disc{background:rgba(242,166,60,.16);color:var(--amber)}
.lux .btn-line:hover{border-color:var(--amber);color:var(--amber-soft)}
.lux .sec-head .em{color:var(--amber-soft);font-weight:600}

/* emblem 在深色上换成浅色描边，否则墨绿山形会糊进背景 */
.lux .emblem .ring{background:radial-gradient(circle,rgba(242,166,60,.24),transparent 66%)}
.lux .emblem svg > g:nth-of-type(1) path{stroke:#F3E8D2}
.lux .emblem svg > g:nth-of-type(2) path{stroke:#C4B490}
.lux .emblem svg > g:nth-of-type(3) path{stroke:#F2A63C}
.lux .emblem .cv{filter:drop-shadow(0 8px 22px rgba(0,0,0,.45))}
.lux .emblem .lbl{fill:var(--text-3)}
.lux .emblem .lbl.on{fill:var(--amber)}
.lux .emblem .tick{stroke:rgba(243,232,210,.3)}