*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}:root{--bg: #0A0A0B;--surface: #131316;--text: #F5F5F4;--text-dim: #8A8F98;--accent: #2DD4BF;--line: rgba(245, 245, 244, .08);--accent-ink: #04201C;--font-display: "Archivo", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;--font-body: "Hanken Grotesk", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;--font-mono: "IBM Plex Mono", "PingFang SC", monospace;--pad-x: clamp(20px, 4vw, 56px);--ease-out: cubic-bezier(.22, 1, .36, 1)}html{color-scheme:dark;scroll-behavior:smooth}body{background:var(--bg);color:var(--text);font-family:var(--font-body);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:clip}::selection{background:var(--accent);color:var(--accent-ink)}:focus-visible{outline:2px solid var(--accent);outline-offset:3px}img,svg,video{display:block;max-width:100%}a{color:inherit;text-decoration:none}.container{max-width:1280px;margin-inline:auto;padding-inline:var(--pad-x)}.display{font-family:var(--font-display);font-weight:600;font-stretch:125%;letter-spacing:-.02em;line-height:1.04}html[lang=zh] .display{letter-spacing:0;line-height:1.18;font-weight:500}.eyebrow{font-family:var(--font-mono);font-size:12px;font-weight:500;letter-spacing:.28em;text-transform:uppercase;color:var(--accent)}.sec-head{display:flex;align-items:baseline;gap:14px;padding-bottom:18px;border-bottom:1px solid var(--line);margin-bottom:clamp(40px,6vw,72px);font-family:var(--font-mono);font-size:12px;letter-spacing:.22em;text-transform:uppercase}.sec-num{color:var(--accent)}.sec-label{color:var(--text-dim)}.sec-title{font-size:clamp(2rem,4.5vw,3.6rem);max-width:18ch;margin-bottom:clamp(48px,7vw,88px)}.section{position:relative;padding-block:clamp(96px,14vh,160px);border-top:1px solid var(--line)}.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;border-radius:999px;font-family:var(--font-body);font-size:15px;font-weight:600;line-height:1;white-space:nowrap;transition:transform .25s var(--ease-out),box-shadow .25s var(--ease-out),border-color .25s,color .25s,background .25s}.btn-primary{background:var(--accent);color:var(--accent-ink)}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 32px #2dd4bf47}.btn-ghost{border:1px solid var(--line);color:var(--text)}.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}.btn-sm{padding:10px 20px;font-size:13px}#nav{position:fixed;top:0;left:0;right:0;z-index:50;display:flex;justify-content:space-between;align-items:center;padding:18px var(--pad-x);transition:background .35s,backdrop-filter .35s}#nav.scrolled{background:#0a0a0bb8;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.nav-logo{font-family:var(--font-display);font-stretch:125%;font-weight:600;font-size:15px;letter-spacing:.1em}.lang-toggle{position:fixed;bottom:22px;right:22px;z-index:60;display:flex;gap:2px;padding:4px;border:1px solid var(--line);border-radius:999px;background:#131316d9;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.lang-btn{border:0;background:transparent;color:var(--text-dim);font-family:var(--font-mono);font-size:12px;font-weight:500;padding:7px 14px;border-radius:999px;cursor:pointer;transition:color .2s,background .2s}.lang-btn:hover{color:var(--text)}.lang-btn.active{background:var(--accent);color:var(--accent-ink)}.bg-video{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;object-fit:cover;z-index:0}#hero{position:relative;min-height:100svh;display:flex;align-items:flex-end;background:radial-gradient(120% 90% at 80% 0%,#16181D 0%,var(--bg) 60%),var(--bg)}.hero-overlay{position:absolute;top:0;right:0;bottom:0;left:0;z-index:1;background:linear-gradient(180deg,rgba(10,10,11,.5) 0%,rgba(10,10,11,.62) 55%,var(--bg) 100%)}.hero-noise{position:absolute;top:0;right:0;bottom:0;left:0;z-index:1;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='0.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E")}.hero-inner{position:relative;z-index:2;width:100%;padding-bottom:clamp(72px,12vh,140px);padding-top:140px}.hero-title{font-size:clamp(2.5rem,7.4vw,6.6rem);margin-top:22px}.hero-line{display:block}.hero-sub{max-width:580px;margin-top:28px;font-size:clamp(1rem,1.4vw,1.15rem);color:#f5f5f4c7}#hero .btn-primary{margin-top:40px}.pos-grid{display:grid;grid-template-columns:5fr 6fr;gap:clamp(40px,6vw,96px);align-items:start}.pos-title{font-size:clamp(2rem,3.8vw,3.4rem);position:sticky;top:120px}.pos-intro{font-size:clamp(1.05rem,1.5vw,1.25rem);color:var(--text);margin-bottom:clamp(36px,5vw,56px)}.layer{display:grid;grid-template-columns:52px 1fr;gap:12px;padding-block:28px;border-top:1px solid var(--line)}.layer:last-of-type{border-bottom:1px solid var(--line)}.l-num{font-family:var(--font-mono);font-size:13px;color:var(--text-dim);padding-top:6px;transition:color .3s}.layer:hover .l-num{color:var(--accent)}.l-name{font-family:var(--font-display);font-stretch:116%;font-weight:500;font-size:1.35rem;letter-spacing:-.01em}.l-desc{color:var(--text-dim);font-size:.98rem;margin-top:6px;max-width:46ch}.pos-outro{margin-top:clamp(36px,5vw,56px);font-size:clamp(1.05rem,1.5vw,1.25rem);font-weight:500}#industries{overflow:hidden}.bg-video-dim{opacity:.16}#industries .container{position:relative;z-index:1}#industries{padding-block:clamp(64px,9vh,112px)}#industries .sec-head{margin-bottom:clamp(24px,3vw,32px)}#industries .sec-title{margin-bottom:clamp(24px,3vw,40px)}.ind-grid{display:flex;gap:1px;background:var(--line);border:1px solid var(--line)}.ind-card{position:relative;display:flex;flex-direction:column;flex:1 1 0;min-width:0;overflow:hidden;min-height:380px;padding:22px;background:var(--bg);cursor:pointer;touch-action:manipulation;-webkit-tap-highlight-color:transparent;transition:flex-grow .5s var(--ease-out),background .35s var(--ease-out)}.ind-card.open{flex-grow:2.6}.ind-card.open{background:var(--surface)}.ind-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}.ind-num{font-family:var(--font-mono);font-size:12px;color:var(--text-dim);transition:color .3s}.ind-card.open .ind-num{color:var(--accent)}.ind-icon{width:22px;height:22px;color:var(--text-dim);transition:color .3s}.ind-card.open .ind-icon{color:var(--accent)}.ind-name{font-family:var(--font-display);font-stretch:120%;font-weight:500;font-size:clamp(1.2rem,1.6vw,1.5rem);letter-spacing:-.01em;margin-top:auto;transition:color .3s}.ind-detail{flex:1;opacity:0;transform:translateY(10px);transition:opacity .35s var(--ease-out),transform .35s var(--ease-out);pointer-events:none}.ind-card.open .ind-detail{opacity:1;transform:translateY(0);pointer-events:auto}.stage{margin-bottom:8px}.stage-label{display:block;font-family:var(--font-mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--text-dim);margin-bottom:3px;white-space:nowrap}.stage-bar{height:12px}.stage-bar i{display:block;height:100%;width:var(--w);border-radius:2px;background:var(--accent);opacity:calc(1 - var(--i) * .17);transform:scaleX(0);transform-origin:left}.ind-card.open .stage-bar i{transform:scaleX(1);transition:transform .45s var(--ease-out) calc(var(--i) * 70ms)}.ind-roas{display:flex;align-items:baseline;gap:8px;margin-top:14px}.ind-roas-val,.ind-roas-x{font-family:var(--font-mono);font-weight:500;font-size:1.7rem;color:var(--accent)}.ind-roas-x{margin-left:-6px}.ind-roas-tag{font-family:var(--font-mono);font-size:11px;letter-spacing:.2em;color:var(--text-dim)}.ind-result{font-size:.85rem;color:var(--text-dim);margin-top:8px;line-height:1.5}.ind-foot{margin-top:16px;font-size:.82rem;color:var(--text-dim);max-width:62ch}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}.stat{background:var(--bg);padding:clamp(36px,5vw,64px) clamp(28px,4vw,48px)}.stat-tag{display:block;font-family:var(--font-mono);font-size:12px;letter-spacing:.22em;color:var(--text-dim);margin-bottom:clamp(24px,3vw,40px)}.stat-val{display:block;font-family:var(--font-mono);font-weight:500;font-size:clamp(2.2rem,4.5vw,3.8rem);letter-spacing:-.03em;color:var(--accent)}.stat-label{margin-top:12px;color:var(--text-dim);font-size:.95rem;max-width:30ch}#brands .sec-title{margin-bottom:0}.marquee{margin-top:clamp(48px,7vw,88px);overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent);mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent)}.mq-track{display:flex;width:max-content;animation:mq 32s linear infinite}.marquee:hover .mq-track{animation-play-state:paused}@keyframes mq{to{transform:translate(-50%)}}.mq-group{display:flex;align-items:center;gap:clamp(48px,7vw,104px);padding-right:clamp(48px,7vw,104px)}.mq-item{height:clamp(72px,9vw,110px);width:auto;opacity:.5;filter:brightness(0) invert(1);transition:opacity .3s}.mq-item:hover{opacity:1}#contact{min-height:80vh;display:flex;align-items:center}#contact .container{width:100%}.contact-title{font-size:clamp(2.6rem,6.5vw,5.6rem);max-width:14ch}.contact-body{margin-top:26px;font-size:clamp(1.05rem,1.5vw,1.25rem);color:var(--text-dim);max-width:44ch}.contact-actions{display:flex;flex-wrap:wrap;gap:16px;margin-top:44px}.footer{display:flex;justify-content:space-between;gap:16px;margin-top:clamp(80px,12vh,140px);padding-top:24px;border-top:1px solid var(--line);font-family:var(--font-mono);font-size:12px;color:var(--text-dim)}@media (max-width: 1023px){.pos-grid{grid-template-columns:1fr}.pos-title{position:static;margin-bottom:8px}.ind-grid{flex-direction:column}.ind-card{flex:none;min-height:0;padding:22px}.ind-top{position:absolute;top:24px;right:22px;margin-bottom:0;gap:14px}.ind-name{order:-1;margin-top:0;padding-right:90px}.ind-detail{max-height:0;overflow:hidden;transition:max-height .5s var(--ease-out),opacity .35s var(--ease-out),transform .35s var(--ease-out)}.ind-card.open .ind-detail{max-height:520px;margin-top:18px}}@media (max-width: 719px){.stats{grid-template-columns:1fr}.footer{flex-direction:column;gap:6px}}@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}.mq-track{animation:none;width:auto;flex-wrap:wrap;justify-content:center}.mq-group[aria-hidden=true]{display:none}.ind-card.open .stage-bar i,.ind-card,.ind-detail,.btn{transition:none}}