/* highlewelt — Mixed Reality Experts */
@font-face{font-family:"Space Grotesk";font-style:normal;font-display:swap;font-weight:300 700;src:url(fonts/space-grotesk-latin-wght-normal.woff2) format("woff2-variations");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Space Grotesk";font-style:normal;font-display:swap;font-weight:300 700;src:url(fonts/space-grotesk-latin-ext-wght-normal.woff2) format("woff2-variations");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Inter";font-style:normal;font-display:swap;font-weight:100 900;src:url(fonts/inter-latin-wght-normal.woff2) format("woff2-variations");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Inter";font-style:normal;font-display:swap;font-weight:100 900;src:url(fonts/inter-latin-ext-wght-normal.woff2) format("woff2-variations");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}

:root{
  --bg:#0a0a0b;
  --bg-2:#101012;
  --surface:rgba(255,255,255,.035);
  --surface-2:rgba(255,255,255,.06);
  --line:rgba(255,255,255,.09);
  --line-2:rgba(255,255,255,.16);
  --text:#f3f0ea;
  --muted:#b9b5ad;
  --faint:#7d7a74;
  --cyan:#e07d38;
  --violet:#b4531f;
  --magenta:#e07d38;
  --amber:#f0a468;
  --grad:linear-gradient(100deg,var(--amber) 0%,var(--magenta) 100%);
  --grad-loop:linear-gradient(100deg,var(--amber) 0%,var(--magenta) 50%,var(--amber) 100%);
  --grad-btn:linear-gradient(100deg,var(--violet) 0%,var(--magenta) 50%,var(--violet) 100%);
  --radius:22px;
  --font-display:"Space Grotesk","Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-body:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --ease:cubic-bezier(.2,.8,.2,1);
  --wrap:min(1180px,100% - 32px);
  color-scheme:dark;
}
html:lang(zh){
  --font-display:"Space Grotesk","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",sans-serif;
  --font-body:"Inter","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font-body);font-size:17px;line-height:1.65;overflow-x:hidden;-webkit-font-smoothing:antialiased}
html:lang(zh) body{line-height:1.8;letter-spacing:.02em}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
::selection{background:var(--violet);color:#fff}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}
.wrap{width:var(--wrap);margin-inline:auto}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:12px;top:-60px;z-index:100;background:var(--text);color:var(--bg);padding:10px 16px;border-radius:10px;font-weight:600}
.skip:focus{top:12px}

/* ---------- Background layers ---------- */
.bg-aurora{position:fixed;inset:0;z-index:-3;overflow:hidden;pointer-events:none}
.bg-aurora i{position:absolute;width:60vmax;height:60vmax;border-radius:50%;filter:blur(90px);opacity:.22;will-change:transform}
.bg-aurora i:nth-child(1){background:var(--violet);top:-25vmax;left:-15vmax;animation:drift1 26s ease-in-out infinite alternate}
.bg-aurora i:nth-child(2){background:#5a5249;bottom:-30vmax;right:-20vmax;opacity:.14;animation:drift2 32s ease-in-out infinite alternate}
.bg-aurora i:nth-child(3){background:var(--magenta);top:35%;left:40%;width:38vmax;height:38vmax;opacity:.06;animation:drift3 22s ease-in-out infinite alternate}
@keyframes drift1{to{transform:translate(18vmax,14vmax) scale(1.15)}}
@keyframes drift2{to{transform:translate(-16vmax,-10vmax) scale(1.1)}}
@keyframes drift3{to{transform:translate(-22vmax,12vmax) scale(.85)}}
#stage{position:fixed;inset:0;width:100%;height:100%;z-index:-2;pointer-events:none}
.bg-grid{position:fixed;inset:0;z-index:-2;pointer-events:none;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:72px 72px;mask-image:radial-gradient(ellipse 80% 60% at 50% 0%,#000 10%,transparent 70%);-webkit-mask-image:radial-gradient(ellipse 80% 60% at 50% 0%,#000 10%,transparent 70%);opacity:.35}
.bg-grain{position:fixed;inset:-50%;z-index:-1;pointer-events:none;opacity:.05;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='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");animation:grain 1.2s steps(6) infinite}
@keyframes grain{0%{transform:translate(0,0)}20%{transform:translate(-3%,2%)}40%{transform:translate(2%,-3%)}60%{transform:translate(-2%,-1%)}80%{transform:translate(3%,3%)}100%{transform:translate(0,0)}}
.cursor-glow{position:fixed;left:0;top:0;width:520px;height:520px;margin:-260px 0 0 -260px;border-radius:50%;pointer-events:none;z-index:-1;background:radial-gradient(circle,rgba(224,125,56,.09),transparent 62%);transform:translate3d(var(--cx,-999px),var(--cy,-999px),0);transition:opacity .4s;opacity:0}
body.has-pointer .cursor-glow{opacity:1}

/* ---------- Header ---------- */
.site-header{position:fixed;inset:0 0 auto;z-index:50;transition:background .4s,border-color .4s,transform .5s var(--ease);border-bottom:1px solid transparent}
.site-header.scrolled{background:rgba(10,10,11,.62);backdrop-filter:blur(18px) saturate(1.4);-webkit-backdrop-filter:blur(18px) saturate(1.4);border-color:var(--line)}
.site-header.hide{transform:translateY(-100%)}
.nav{display:flex;align-items:center;gap:24px;height:74px}
.brand{display:flex;align-items:center;gap:11px;font-family:var(--font-display);font-weight:600;font-size:19px;letter-spacing:-.01em;margin-right:auto}
.brand svg{width:34px;height:34px;flex:none}
.brand small{display:block;font-size:10.5px;font-weight:500;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);margin-top:-3px}
.nav-links{display:flex;gap:4px;list-style:none;margin:0;padding:0}
.nav-links a{display:block;padding:8px 14px;border-radius:999px;font-size:14.5px;color:var(--muted);transition:color .25s,background .25s}
.nav-links a:hover,.nav-links a.active{color:var(--text);background:var(--surface-2)}
.lang{position:relative}
.lang button{display:flex;align-items:center;gap:7px;font:inherit;font-size:13.5px;font-weight:600;letter-spacing:.06em;color:var(--text);background:var(--surface);border:1px solid var(--line-2);padding:8px 13px;border-radius:999px;cursor:pointer;transition:border-color .25s,background .25s}
.lang button:hover{border-color:var(--cyan);background:var(--surface-2)}
.lang button svg{width:15px;height:15px}
.lang ul{position:absolute;right:0;top:calc(100% + 10px);list-style:none;margin:0;padding:6px;min-width:178px;background:rgba(16,16,18,.94);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--line-2);border-radius:16px;box-shadow:0 30px 60px -20px rgba(0,0,0,.7);opacity:0;transform:translateY(-6px) scale(.98);transform-origin:top right;pointer-events:none;transition:opacity .2s,transform .25s var(--ease)}
.lang.open ul{opacity:1;transform:none;pointer-events:auto}
.lang li a{display:flex;justify-content:space-between;gap:16px;padding:9px 12px;border-radius:10px;font-size:14.5px;color:var(--muted)}
.lang li a:hover{background:var(--surface-2);color:var(--text)}
.lang li a[aria-current]{color:var(--text)}
.lang li a span{font-size:11.5px;letter-spacing:.1em;color:var(--faint)}
.menu-btn{display:none;width:44px;height:44px;border-radius:50%;border:1px solid var(--line-2);background:var(--surface);color:var(--text);cursor:pointer;position:relative}
.menu-btn span,.menu-btn span::before{position:absolute;left:13px;right:13px;height:1.6px;background:currentColor;border-radius:2px;transition:transform .35s var(--ease)}
.menu-btn span{top:21px}
.menu-btn span::before{content:"";left:0;right:0;top:-6px}
.menu-btn span::after{content:"";position:absolute;left:0;right:0;top:6px;height:1.6px;background:currentColor;border-radius:2px;transition:transform .35s var(--ease),opacity .2s}
body.menu-open .menu-btn span{transform:rotate(45deg)}
body.menu-open .menu-btn span::before{transform:translateY(6px) rotate(90deg)}
body.menu-open .menu-btn span::after{opacity:0}

/* ---------- Buttons / chips ---------- */
.btn{position:relative;display:inline-flex;align-items:center;gap:10px;padding:15px 26px;border-radius:999px;font-weight:600;font-size:15.5px;letter-spacing:.01em;transition:transform .35s var(--ease),box-shadow .35s,background .3s;isolation:isolate;white-space:nowrap}
.btn svg{width:18px;height:18px;transition:transform .35s var(--ease)}
.btn:hover svg{transform:translateX(4px)}
.btn-primary{color:#fff;background:var(--grad-btn);background-size:200% 100%;box-shadow:0 10px 40px -10px rgba(224,125,56,.55),inset 0 1px 0 rgba(255,255,255,.4);animation:shine 6s linear infinite}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 50px -12px rgba(240,164,104,.6)}
@keyframes shine{to{background-position:200% 0}}
.btn-ghost{border:1px solid var(--line-2);background:var(--surface);color:var(--text)}
.btn-ghost:hover{border-color:var(--text);transform:translateY(-2px)}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:12.5px;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:var(--cyan)}
html:lang(zh) .eyebrow{letter-spacing:.3em}
.eyebrow::before{content:"";width:28px;height:1px;background:currentColor}
.grad-text{background:var(--grad-loop);background-size:200% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;animation:shine 8s linear infinite}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;padding:130px 0 90px}
.hero-inner{position:relative;z-index:2;max-width:880px}
.status{display:inline-flex;align-items:center;gap:10px;padding:7px 15px 7px 10px;border:1px solid var(--line-2);border-radius:999px;background:var(--surface);backdrop-filter:blur(8px);font-size:13.5px;color:var(--muted);margin-bottom:30px}
.status b{white-space:nowrap;display:inline-flex;align-items:center;gap:6px;color:var(--text);font-weight:600}
.status b::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--amber);box-shadow:0 0 0 0 rgba(240,164,104,.6);animation:pulse 2.2s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 10px rgba(240,164,104,0)}100%{box-shadow:0 0 0 0 rgba(240,164,104,0)}}
.hero h1{font-family:var(--font-display);font-weight:600;font-size:clamp(46px,8.4vw,112px);line-height:.98;letter-spacing:-.045em;margin:0 0 28px}
html:lang(zh) .hero h1{letter-spacing:-.01em;line-height:1.12;font-size:clamp(42px,7.4vw,96px)}
.hero h1 .line{display:block;overflow:hidden;padding-bottom:.08em}
.hero h1 .line>span{display:inline-block;transform:translateY(110%);transition:transform 1.1s var(--ease)}
.hero h1 .line:nth-child(2)>span{transition-delay:.12s}
.hero h1 .line:nth-child(3)>span{transition-delay:.24s}
.loaded .hero h1 .line>span{transform:none}
.rotator,.hero h1 .line>span.rotator{display:grid;max-width:100%}
.rotator>span{grid-area:1/1;justify-self:start;opacity:0;transform:translateY(55%);transition:opacity .6s var(--ease),transform .8s var(--ease);padding-right:.06em;overflow-wrap:break-word}
.rotator>span.on{opacity:1;transform:none}
.rotator>span.off{opacity:0;transform:translateY(-55%)}
.hero p.lead{font-size:clamp(18px,2vw,21px);color:var(--muted);max-width:620px;margin:0 0 40px}
.fade-up{opacity:0;transform:translateY(24px);transition:opacity 1s var(--ease),transform 1s var(--ease)}
.loaded .fade-up{opacity:1;transform:none}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px}
.scroll-hint{position:absolute;left:50%;bottom:28px;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:10px;font-size:11px;letter-spacing:.25em;text-transform:uppercase;color:var(--faint)}
.scroll-hint i{width:1px;height:46px;background:linear-gradient(var(--cyan),transparent);position:relative;overflow:hidden}
.scroll-hint i::after{content:"";position:absolute;left:0;top:-50%;width:1px;height:50%;background:#fff;animation:drip 2s var(--ease) infinite}
@keyframes drip{to{top:110%}}

/* ---------- Marquee ---------- */
.marquee{position:relative;border-block:1px solid var(--line);background:rgba(255,255,255,.015);overflow:hidden;padding:22px 0;mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);-webkit-mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent)}
.marquee-track{display:flex;width:max-content;gap:56px;animation:marquee 38s linear infinite}
.marquee:hover .marquee-track{animation-play-state:paused}
.marquee span{display:flex;align-items:center;gap:56px;font-family:var(--font-display);font-size:clamp(22px,3vw,34px);font-weight:500;letter-spacing:-.02em;color:var(--muted);white-space:nowrap}
.marquee span::after{content:"✦";font-size:.55em;color:var(--magenta)}
@keyframes marquee{to{transform:translateX(-50%)}}

/* ---------- Sections ---------- */
section{position:relative}
.section{padding:clamp(90px,13vw,160px) 0}
.section-head{display:grid;gap:20px;max-width:760px;margin-bottom:clamp(44px,6vw,70px)}
.section-head h2{font-family:var(--font-display);font-weight:600;font-size:clamp(36px,5.4vw,66px);line-height:1.04;letter-spacing:-.035em;margin:0}
html:lang(zh) .section-head h2{letter-spacing:0;line-height:1.2}
.section-head p{font-size:clamp(17px,1.6vw,19px);color:var(--muted);margin:0}

/* reveal */
.reveal{opacity:0;transform:translateY(40px);transition:opacity .9s var(--ease),transform 1s var(--ease);transition-delay:var(--d,0s)}
.reveal.in{opacity:1;transform:none}

/* ---------- Portfolio cards ---------- */
.cards{display:grid;grid-template-columns:repeat(12,1fr);gap:20px}
.card{--mx:50%;--my:50%;position:relative;grid-column:span 4;min-height:420px;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:var(--bg-2);isolation:isolate;transform-style:preserve-3d;transition:transform .5s var(--ease),border-color .4s;will-change:transform}
.card.wide{grid-column:span 8}
.card.tall{grid-column:span 4}
.card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;transform:scale(1.06);transition:transform 1.2s var(--ease),filter .6s;filter:saturate(.9) brightness(.82)}
.card::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(10,10,11,0) 25%,rgba(10,10,11,.55) 55%,rgba(10,10,11,.96) 100%)}
.card::after{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;background:radial-gradient(420px circle at var(--mx) var(--my),rgba(240,164,104,.18),transparent 45%);opacity:0;transition:opacity .4s}
.card:hover{border-color:var(--line-2)}
.card:hover::after{opacity:1}
.card:hover img{transform:scale(1.13);filter:saturate(1.1) brightness(.9)}
.card-body{position:absolute;inset:auto 0 0 0;padding:28px 28px 30px;transform:translateZ(40px)}
.card .tag{display:inline-block;font-size:11.5px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;padding:6px 11px;border-radius:999px;background:rgba(10,10,11,.55);border:1px solid var(--line-2);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);margin-bottom:14px;color:var(--cyan)}
.card h3{font-family:var(--font-display);font-weight:600;font-size:clamp(24px,2.4vw,32px);letter-spacing:-.025em;line-height:1.1;margin:0 0 10px}
.card p{margin:0;color:#c3c7e6;font-size:15.5px;max-width:46ch}
.card .num{position:absolute;top:22px;right:24px;font-family:var(--font-display);font-size:13px;letter-spacing:.12em;color:rgba(255,255,255,.65)}

/* ---------- Stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-top:clamp(60px,8vw,100px)}
.stat{background:var(--bg);padding:34px 28px}
.stat b{display:block;font-family:var(--font-display);font-weight:600;font-size:clamp(40px,5vw,62px);line-height:1;letter-spacing:-.04em;margin-bottom:10px}
.stat span{color:var(--muted);font-size:15px}

/* ---------- About ---------- */
.about-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:clamp(30px,6vw,90px);align-items:start;margin-bottom:clamp(44px,6vw,70px)}
.about-grid .section-head{margin:0}
.about-visual{position:relative;border-radius:calc(var(--radius) + 8px);overflow:hidden;aspect-ratio:1440/583;max-width:100%;border:1px solid var(--line-2)}
.about-visual img{position:absolute;inset:-5% 0;width:100%;height:110%;object-fit:cover;object-position:50% 50%;transform:translateY(var(--py,0));filter:saturate(.95)}
.about-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(160deg,rgba(180,83,31,.14),transparent 50%,rgba(224,125,56,.12))}
.about-visual .badge{position:absolute;left:22px;bottom:22px;right:22px;max-width:440px;z-index:2;display:flex;align-items:center;gap:16px;padding:18px 20px;border-radius:18px;background:rgba(10,10,11,.6);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--line-2)}
.about-visual .badge b{font-family:var(--font-display);font-size:40px;font-weight:600;letter-spacing:-.04em;line-height:1}
.about-visual .badge span{font-size:14px;color:var(--muted);line-height:1.4}
.about-text p{color:var(--muted);font-size:clamp(17px,1.5vw,18.5px);margin:0 0 20px}
.about-text p strong{color:var(--text);font-weight:600}
.timeline{list-style:none;margin:34px 0 0;padding:0;display:grid;gap:0;border-left:1px solid var(--line-2)}
.timeline li{position:relative;padding:0 0 22px 26px}
.timeline li:last-child{padding-bottom:0}
.timeline li::before{content:"";position:absolute;left:-5px;top:9px;width:9px;height:9px;border-radius:50%;background:var(--bg);border:2px solid var(--violet)}
.timeline li:last-child::before{background:var(--cyan);border-color:var(--cyan);box-shadow:0 0 18px var(--cyan)}
.timeline b{font-family:var(--font-display);font-weight:600;margin-right:10px}
.timeline span{color:var(--muted)}

/* ---------- Process ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:s}
.step{position:relative;padding:32px 26px 30px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line);overflow:hidden;transition:transform .45s var(--ease),border-color .4s,background .4s}
.step:hover{transform:translateY(-6px);border-color:var(--line-2);background:var(--surface-2)}
.step .ico{width:52px;height:52px;border-radius:15px;display:grid;place-items:center;margin:0 0 22px;background:linear-gradient(135deg,rgba(224,125,56,.14),rgba(180,83,31,.14));border:1px solid var(--line-2)}
.step .ico svg{width:24px;height:24px;stroke:var(--cyan)}
.step h3{font-family:var(--font-display);font-weight:600;font-size:21px;letter-spacing:-.015em;margin:0 0 10px}
.step p{margin:0;color:var(--muted);font-size:15.5px}
.step .bar{position:absolute;left:0;bottom:0;height:2px;width:100%;background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .8s var(--ease)}
.step:hover .bar{transform:scaleX(1)}

/* ---------- Contact ---------- */
.contact-card{position:relative;border-radius:calc(var(--radius) + 10px);padding:clamp(36px,6vw,80px);overflow:hidden;border:1px solid var(--line-2);background:radial-gradient(120% 140% at 0% 0%,rgba(180,83,31,.20),transparent 55%),radial-gradient(100% 120% at 100% 100%,rgba(224,125,56,.14),transparent 55%),var(--bg-2)}
.contact-card::before{content:"";position:absolute;inset:-2px;z-index:-1;border-radius:inherit;background:conic-gradient(from var(--ang,0deg),transparent 0 70%,var(--cyan),var(--violet),var(--magenta),var(--amber),transparent);animation:spin 8s linear infinite;opacity:.6}
@property --ang{syntax:"<angle>";inherits:false;initial-value:0deg}
@keyframes spin{to{--ang:360deg}}
.contact-head{max-width:760px;margin-bottom:clamp(30px,4vw,48px)}
.contact-head .lead{margin-bottom:0!important}
.contact-grid{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:clamp(28px,4vw,56px);align-items:start}
/* inquiry form */
.inquiry{display:grid;gap:16px;min-width:0}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:grid;gap:7px;min-width:0}
.field>span{font-size:12px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
html:lang(zh) .field>span{letter-spacing:.04em}
.field em{font-style:normal;font-weight:400;letter-spacing:0;text-transform:none;color:var(--faint)}
.field input,.field select,.field textarea{width:100%;min-width:0;font:inherit;font-size:16px;color:var(--text);background:rgba(10,10,11,.6);border:1px solid var(--line-2);border-radius:12px;padding:13px 14px;outline:none;transition:border-color .25s,box-shadow .25s,background .25s}
.field textarea{resize:vertical;min-height:140px;line-height:1.55}
.field select{appearance:none;-webkit-appearance:none;padding-right:42px;cursor:pointer;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23b9b5ad' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;background-size:18px}
.field select option{background:var(--bg-2);color:var(--text)}
.field input::placeholder,.field textarea::placeholder{color:var(--faint)}
.field input:hover,.field select:hover,.field textarea:hover{border-color:rgba(255,255,255,.26)}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--cyan);background:rgba(10,10,11,.85);box-shadow:0 0 0 3px rgba(224,125,56,.18)}
.field input:user-invalid,.field textarea:user-invalid{border-color:#e5484d}
.form-foot{display:flex;flex-wrap:wrap;align-items:center;gap:14px 22px;margin-top:4px}
.form-foot .btn{border:0;cursor:pointer;font-family:inherit}
.form-hint{flex:1 1 240px;margin:0;font-size:13.5px;line-height:1.5;color:var(--faint)}
.form-hint a{color:var(--muted);text-decoration:underline;text-underline-offset:3px}
.form-sent{margin:0;padding:14px 16px;border-radius:12px;border:1px solid rgba(224,125,56,.45);background:rgba(224,125,56,.08);font-size:14.5px}
.form-sent a{color:var(--amber);text-decoration:underline}
.contact-card h2{font-family:var(--font-display);font-weight:600;font-size:clamp(38px,6vw,78px);line-height:1;letter-spacing:-.04em;margin:18px 0 22px}
html:lang(zh) .contact-card h2{letter-spacing:0;line-height:1.15}
.contact-card .lead{color:var(--muted);font-size:clamp(17px,1.6vw,19px);margin:0;max-width:56ch}
.mail-big{display:inline-flex;align-items:center;gap:10px;max-width:100%;overflow-wrap:anywhere;font-family:var(--font-display);font-size:clamp(19px,1.9vw,23px);font-weight:500;letter-spacing:-.02em;border-bottom:1px solid var(--line-2);padding-bottom:6px;transition:border-color .3s,gap .3s}
.mail-big:hover{border-color:var(--cyan);gap:20px}
.mail-big svg{width:.85em;height:.85em;color:var(--cyan)}
.contact-info{display:grid;gap:18px;font-size:15.5px;min-width:0}
.contact-info>div{padding:18px 20px;border-radius:16px;background:rgba(10,10,11,.45);border:1px solid var(--line)}
.contact-info small{display:block;font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--faint);margin-bottom:6px}
.contact-info address{font-style:normal;line-height:1.55}
.phone-img{height:26px;width:auto;filter:invert(1) brightness(1.6) contrast(1.4);mix-blend-mode:screen;opacity:.92;margin-top:2px}
.socials{display:flex;gap:10px;margin-top:6px}
.socials a{width:44px;height:44px;display:grid;place-items:center;border-radius:50%;border:1px solid var(--line-2);background:var(--surface);transition:transform .3s var(--ease),border-color .3s,color .3s;color:var(--muted)}
.socials a:hover{transform:translateY(-3px);border-color:var(--cyan);color:var(--text)}
.socials svg{width:18px;height:18px}

/* ---------- Footer ---------- */
.site-footer{border-top:1px solid var(--line);padding:46px 0 40px;font-size:14px;color:var(--faint)}
.foot{display:flex;flex-wrap:wrap;gap:20px 36px;align-items:center;justify-content:space-between}
.foot nav{display:flex;flex-wrap:wrap;gap:8px 24px}
.foot a{color:var(--muted);transition:color .25s}
.foot a:hover{color:var(--text)}
.foot .langs{display:flex;gap:6px}
.foot .langs a{padding:4px 9px;border-radius:8px;border:1px solid transparent;font-size:12.5px;letter-spacing:.06em}
.foot .langs a[aria-current]{border-color:var(--line-2);color:var(--text)}
.big-word{font-family:var(--font-display);font-weight:600;font-size:clamp(64px,17vw,250px);line-height:.85;letter-spacing:-.06em;text-align:center;margin:0 0 40px;background:linear-gradient(180deg,rgba(255,255,255,.14),rgba(255,255,255,0) 85%);-webkit-background-clip:text;background-clip:text;color:transparent;user-select:none}

/* ---------- Legal pages ---------- */
.legal{padding:150px 0 110px}
.legal .wrap{max-width:860px}
.legal h1{font-family:var(--font-display);font-weight:600;font-size:clamp(40px,6vw,72px);letter-spacing:-.04em;line-height:1.02;margin:16px 0 14px}
html:lang(zh) .legal h1{letter-spacing:0}
.legal .meta{color:var(--faint);font-size:14px;margin:0 0 50px}
.legal h2{font-family:var(--font-display);font-weight:600;font-size:clamp(22px,2.4vw,27px);letter-spacing:-.02em;margin:48px 0 14px;padding-top:26px;border-top:1px solid var(--line)}
.legal h3{font-size:17.5px;margin:26px 0 8px}
.legal p,.legal li{color:#c2c6e2}
.legal ul{padding-left:22px}
.legal a{color:var(--cyan);border-bottom:1px solid rgba(224,125,56,.35)}
.legal a:hover{border-color:var(--cyan)}
.legal .box{padding:22px 24px;border-radius:18px;background:var(--surface);border:1px solid var(--line);margin:18px 0}
.legal .box p{margin:0 0 6px}
.legal .note{font-size:14.5px;color:var(--muted);padding:16px 20px;border-left:2px solid var(--violet);background:rgba(180,83,31,.07);border-radius:0 12px 12px 0}
.legal a.back{border:0;color:var(--muted)}
.legal a.back:hover{color:var(--text)}
.back{width:fit-content;display:flex;align-items:center;gap:8px;color:var(--muted);font-size:14.5px}
.back:hover{color:var(--text)}
.back svg{width:16px;height:16px}

/* ---------- Responsive ---------- */
@media (max-width:1000px){
  .card,.card.wide,.card.tall{grid-column:span 6}
  .steps{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}
  .about-grid,.contact-grid{grid-template-columns:1fr}
  .about-visual{aspect-ratio:16/9}
}
@media (max-width:820px){
  .menu-btn{display:block}
  .nav-links{position:fixed;inset:74px 0 auto 0;flex-direction:column;gap:2px;padding:14px 16px 26px;background:rgba(10,10,11,.94);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--line);transform:translateY(-12px);opacity:0;pointer-events:none;transition:opacity .3s,transform .35s var(--ease)}
  body.menu-open .nav-links{opacity:1;transform:none;pointer-events:auto}
  .nav-links a{font-size:20px;padding:14px 12px;font-family:var(--font-display)}
  .nav{gap:10px}
  .brand small{display:none}
}
@media (max-width:640px){
  .status .status-sub{display:none}
  .hero-cta .btn{flex:1 1 100%;justify-content:center}
  .row2{grid-template-columns:1fr}
  .form-foot .btn{width:100%;justify-content:center;white-space:normal;text-align:center}
  .contact-card{padding:28px 20px}
  .contact-info>div{padding:16px}
  .about-visual{aspect-ratio:auto;display:flex;flex-direction:column}
  .about-visual img{position:relative;inset:auto;height:auto;aspect-ratio:16/9;transform:none!important}
  .about-visual .badge{position:relative;left:auto;right:auto;bottom:auto;max-width:none;border-radius:0;border:0;border-top:1px solid var(--line-2);background:var(--bg-2)}
  .about-visual .badge b{font-size:34px}
  .stat b{font-size:38px}
  body{font-size:16px}
  .card,.card.wide,.card.tall{grid-column:span 12;min-height:360px}
  .steps{grid-template-columns:1fr}
  .stat{padding:26px 20px}
  .hero{padding-top:120px}
  .scroll-hint{display:none}
  .foot{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001s!important;animation-iteration-count:1!important;transition-duration:.001s!important;scroll-behavior:auto!important}
  .reveal,.fade-up{opacity:1;transform:none}
  .hero h1 .line>span{transform:none}
}
[hidden]{display:none!important}

mark.todo{background:#ffb547;color:#05060d;padding:1px 6px;border-radius:5px;font-weight:600}