:root{--bg:#080c14;--panel:#111b29;--panel2:#0d1420;--line:rgba(180,214,235,.17);--text:#f4f7fa;--muted:#9eb0c2;--blue:#79c9ed;--warm:#ed9b7c;--max:1280px}
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;-webkit-font-smoothing:antialiased}
    body:before{content:"";position:fixed;inset:0;z-index:-2;background:radial-gradient(circle at 76% 12%,#143351 0,transparent 32%),radial-gradient(circle at 5% 52%,#3d2035 0,transparent 24%),#080c14}
    a{color:inherit;text-decoration:none}button{font:inherit}img{display:block;max-width:100%}a:focus-visible,summary:focus-visible{outline:2px solid #a8dfff;outline-offset:4px}
    .shell{max-width:var(--max);padding:0 30px;margin:auto}.eyebrow{font-size:12px;letter-spacing:.25em;color:var(--blue);font-weight:700}.section-head{max-width:780px;margin-bottom:34px}.section-head h2{font-size:clamp(34px,4.6vw,60px);line-height:1.13;letter-spacing:-.035em;margin:14px 0 18px}.section-head p{color:var(--muted);font-size:17px;line-height:1.85;margin:0}
    .topbar{position:sticky;top:0;z-index:30;background:rgba(8,12,20,.76);backdrop-filter:blur(18px);border-bottom:1px solid rgba(192,223,239,.12)}
    .nav{height:74px;display:flex;align-items:center;gap:38px}.brand{display:flex;align-items:center;gap:12px;margin-right:auto;font-size:21px;font-weight:800;letter-spacing:.03em}.brand img{height:36px;width:36px;border-radius:10px}.brand small{font-size:11px;color:#91a7bd;letter-spacing:.12em;font-weight:500;margin-left:3px}
    .navlinks{display:flex;gap:28px;color:#b7c7d5;font-size:14px}.navlinks a:hover,.footer a:hover{color:#fff}.nav-cta{border:1px solid #8dbbd4;background:linear-gradient(180deg,#1d3d55,#0d1c2b);box-shadow:inset 0 1px #c6edff66,0 7px 20px #0008;border-radius:11px;padding:11px 19px;font-weight:700;font-size:13px}
    .download-quick{display:none;align-items:center;justify-content:center;width:max-content;min-height:30px;padding:0 7px;border:1px solid #9ec8dd40;border-radius:7px;color:#b9d6e5;font-size:11px;font-weight:600;white-space:nowrap}
    .hero{min-height:720px;display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:52px;padding-top:70px;padding-bottom:84px;position:relative}
    .hero:after{content:"";position:absolute;left:30px;right:30px;bottom:0;border-bottom:1px solid var(--line)}
    .hero-kicker{display:inline-flex;align-items:center;gap:10px;border:1px solid #77b9dc55;background:#17344b65;border-radius:100px;padding:9px 14px;font-size:12px;color:#c6e8f9;letter-spacing:.11em}
    .hero-kicker i{width:6px;height:6px;background:#90d8f7;border-radius:50%;box-shadow:0 0 12px #75c7ed}
    h1{font-size:clamp(56px,6.3vw,92px);letter-spacing:-.058em;line-height:1.06;margin:24px 0 22px;font-weight:800}h1 em{font-style:normal;color:#e7a58d;background:linear-gradient(110deg,#fff3db,#e78f78);background-clip:text;-webkit-text-fill-color:transparent}
    .hero-lead{color:#b8c9d8;font-size:18px;line-height:1.95;max-width:585px}.hero-lead strong{color:white;font-weight:600}
    .actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:13px;min-height:52px;padding:0 23px;border-radius:12px;font-weight:700;font-size:14px;transition:transform .18s,box-shadow .18s}.btn:hover,.nav-cta:hover{transform:translateY(-2px)}.btn-primary{background:linear-gradient(180deg,#eab8a2,#dc876c);color:#21131a;box-shadow:inset 0 1px #fff9,0 10px 26px #d8785750}.btn-ghost{border:1px solid #a9c8da62;background:linear-gradient(180deg,#1b2c3e,#101b29);box-shadow:inset 0 1px #d7effd39,0 9px 20px #0005}
    .hero-foot{margin-top:58px;display:flex;gap:36px;color:#a2b4c5;font-size:13px}.hero-foot span{display:block}.hero-foot b{display:block;color:#f1f7fb;font-size:17px;margin-bottom:4px}
    .hero-art{height:610px;position:relative;min-width:0}.art-main{height:100%;width:75%;margin-left:auto;overflow:hidden;border-radius:26px;border:1px solid #a9dfff64;box-shadow:0 30px 100px #000d,0 0 65px #529ec62b}.art-main img{height:100%;width:100%;object-fit:cover;object-position:53% 49%}.art-main:after{content:"";position:absolute;inset:0 0 0 25%;border-radius:26px;background:linear-gradient(0deg,#08101bb2,transparent 45%);pointer-events:none}
    .art-side{position:absolute;left:0;bottom:35px;width:45%;height:48%;border-radius:20px;overflow:hidden;border:6px solid #101c2a;box-shadow:0 24px 60px #000c}.art-side img{width:100%;height:100%;object-fit:cover;object-position:45% 55%}
    .art-tag{position:absolute;right:20px;bottom:27px;z-index:1;max-width:260px;padding:12px 16px;border-radius:12px;background:#08101bc9;border:1px solid #aedbf756;backdrop-filter:blur(8px)}.art-tag small{display:block;color:#a9c6d8;font-size:11px;letter-spacing:.16em}.art-tag b{display:block;font-size:17px;margin-top:4px}
    section{scroll-margin-top:85px}.statement{padding:112px 0 116px;display:grid;grid-template-columns:1fr 1fr;gap:80px;border-bottom:1px solid var(--line)}.statement blockquote{font-size:clamp(28px,3.5vw,48px);font-weight:650;letter-spacing:-.035em;line-height:1.46;margin:0}.statement blockquote span{color:#e7a58d}.statement p{color:#b3c4d2;font-size:17px;line-height:2;max-width:520px}
    .works{padding:108px 0 118px}.works-heading{display:flex;justify-content:space-between;align-items:end;gap:30px}.works-heading .section-head{margin:0}.drag-hint{font-size:12px;color:#8ca6b9;padding-bottom:13px}
    .work-grid{display:grid;grid-template-columns:repeat(5,minmax(210px,1fr));gap:16px;margin-top:34px;overflow-x:auto;padding-bottom:12px;scroll-snap-type:x mandatory;scrollbar-width:none}.work-grid::-webkit-scrollbar{display:none}.work{position:relative;min-width:210px;scroll-snap-align:start;background:#111b29;border:1px solid #b6d5e32e;border-radius:18px;overflow:hidden}.work-cover{aspect-ratio:3/4;overflow:hidden;position:relative}.work-cover:after{content:"";position:absolute;inset:40% 0 0;background:linear-gradient(transparent,#0c1421d9)}.work-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s}.work:hover .work-cover img{transform:scale(1.06)}.work-body{padding:18px 18px 22px}.work-type{color:#e8aa91;font-size:11px;letter-spacing:.13em;font-weight:750}.work h3{font-size:22px;line-height:1.2;margin:10px 0}.work p{color:#adbece;font-size:13px;line-height:1.7;min-height:68px;margin:0}.work details{border-top:1px solid #bddded29;margin-top:16px;padding-top:13px}.work summary{list-style:none;cursor:pointer;color:#acd9ee;font-size:12px;font-weight:700}.work summary::-webkit-details-marker{display:none}.work summary:after{content:"＋";float:right}.work details[open] summary:after{content:"－"}.work details p{min-height:0;margin-top:13px;line-height:1.8}.work .series{display:block;color:#dcaa97;font-size:11px;line-height:1.5;margin-top:11px}.works-note{font-size:12px;color:#8296a9;margin-top:13px}
    .how{padding:108px 0;background:linear-gradient(180deg,#111d2b66,#0b132000);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.step{padding:30px 26px 34px;min-height:242px;background:linear-gradient(150deg,#192839,#0d1622);border:1px solid #9dc8df2c;border-radius:18px;box-shadow:inset 0 1px #d0ebfb18}.step .no{font-family:ui-monospace,monospace;color:#e4a189;font-size:13px}.step h3{font-size:22px;margin:25px 0 10px}.step p{color:#9fb2c2;line-height:1.75;font-size:14px;margin:0}
    .guide{padding:115px 0;display:grid;grid-template-columns:1fr .88fr;gap:70px;align-items:center}.guide-card{border:1px solid #94c8e546;background:linear-gradient(155deg,#18354c,#101927 65%);box-shadow:inset 0 1px #bce7ff31,0 28px 70px #0009;border-radius:25px;padding:32px;min-height:405px;position:relative;overflow:hidden}.guide-card:before{content:"";position:absolute;width:280px;height:280px;border-radius:50%;right:-40px;top:-100px;background:#53a9cf33;filter:blur(25px)}.chat{position:relative;padding:18px 20px;margin:20px 0;border-radius:17px;font-size:15px;line-height:1.65;max-width:86%}.chat.user{background:#253c50;margin-left:auto}.chat.echo{background:#e4eff5;color:#183044}.chat-label{font-size:11px;letter-spacing:.14em;font-weight:800;color:#9bcfe8}.chat.echo .chat-label{color:#35627d}
    .guide .section-head{margin:0}.guide .section-head p{margin-bottom:17px}
    .ip{padding:112px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:radial-gradient(circle at 82% 43%,#23456055,transparent 30%)}.ip-wrap{display:grid;grid-template-columns:.95fr 1.05fr;gap:70px;align-items:center}.ip-diagram{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.ip-node{padding:22px;min-height:126px;background:#142231;border:1px solid #9bc8df3e;border-radius:16px}.ip-node small{display:block;color:#e8a58c;font-family:ui-monospace,monospace}.ip-node b{display:block;font-size:20px;margin:16px 0 5px}.ip-node span{font-size:12px;color:#a9bbca}.ip .section-head{margin:0}
    .about{padding:112px 0 122px;display:grid;grid-template-columns:1fr 1fr;gap:75px}.about-copy{color:#b9c8d4;font-size:16px;line-height:2}.about-copy p{margin:0 0 19px}.about-copy strong{color:#f2f7fa}.closing{margin:0 0 85px;padding:60px 42px;border-radius:25px;text-align:center;border:1px solid #9cc8de52;background:radial-gradient(circle at 50% 0,#3b597155,#131e2a 60%);box-shadow:inset 0 1px #d9f3ff3b}.closing h2{font-size:clamp(35px,5vw,64px);margin:12px 0 18px;letter-spacing:-.04em}.closing p{font-size:17px;color:#afc2d1}.footer{border-top:1px solid var(--line);padding:34px 0 48px;color:#8fa3b4}.footer-inner{display:flex;justify-content:space-between;gap:28px;align-items:center;font-size:12px}.footer-links{display:flex;gap:22px}.preview-badge{position:fixed;right:16px;bottom:16px;background:#172537db;border:1px solid #9ec8dd5b;border-radius:9px;padding:8px 10px;color:#d3e7f2;font-size:10px;z-index:20;backdrop-filter:blur(8px)}
    @media(max-width:950px){.navlinks{display:none}.download-quick{display:inline-flex}.hero,.statement,.guide,.ip-wrap,.about{grid-template-columns:1fr}.hero{padding-top:42px;gap:32px}.hero-art{height:500px;max-width:650px;width:100%;margin:auto}.statement,.guide,.about{gap:27px}.step-grid{grid-template-columns:repeat(2,1fr)}.work-grid{grid-template-columns:repeat(5,225px)}}
    @media(max-width:620px){.shell{padding:0 20px}.nav{height:66px}.brand{font-size:18px}.brand img{width:32px;height:32px}.brand small{display:none}.nav-cta{padding:10px 12px;font-size:12px}.hero{padding:58px 20px 65px;min-height:auto}.hero:after{left:20px;right:20px}.hero h1{font-size:56px}.hero-lead{font-size:16px;line-height:1.8}.hero-foot{margin-top:38px;gap:22px;flex-wrap:wrap}.hero-art{height:455px}.art-main{width:83%}.art-side{width:45%;height:43%;bottom:15px}.art-tag{right:10px;bottom:13px}.statement,.works,.how,.guide,.ip,.about{padding-top:78px;padding-bottom:82px}.statement blockquote{font-size:34px}.works-heading{display:block}.drag-hint{display:block;padding:17px 0 0}.work-grid{grid-template-columns:repeat(5,min(82vw,340px));margin-right:-20px;padding-right:20px}.step-grid{grid-template-columns:1fr}.step{min-height:0;padding:24px}.step h3{margin-top:20px}.guide-card{padding:20px;min-height:380px}.chat{font-size:13px}.ip-diagram{gap:9px}.ip-node{padding:15px;min-height:112px}.ip-node b{font-size:17px}.closing{padding:50px 23px}.footer-inner{align-items:start;flex-direction:column}.preview-badge{font-size:9px}}
    @media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.btn,.work-cover img{transition:none}}
    .lang-menu{position:relative;flex:none;color:#d6e8f1;font-size:12px;z-index:40}
    .lang-menu summary{list-style:none;cursor:pointer;min-width:52px;padding:10px 12px;border:1px solid #9ec8dd67;border-radius:10px;background:#152638;text-align:center;font-weight:800;letter-spacing:.06em}
    .lang-menu summary::-webkit-details-marker{display:none}
    .lang-menu summary:after{content:'⌄';margin-left:6px;color:#94c7e0}
    .lang-options{position:absolute;top:calc(100% + 10px);right:0;min-width:190px;max-height:min(60vh,420px);overflow-y:auto;padding:7px;border:1px solid #9ec8dd6b;border-radius:14px;background:#101c2b;box-shadow:0 18px 50px #000c}
    .lang-options a{display:block;padding:10px 12px;border-radius:8px;white-space:nowrap}
    .lang-options a:hover,.lang-options a[aria-current=page]{background:#28465f;color:#fff}
    .model{padding:112px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:radial-gradient(circle at 70% 30%,#26506b55,transparent 38%),#0d1825}
    .about-capability{margin-top:26px;padding:25px 28px;border:1px solid #9dc8df3e;border-radius:16px;background:linear-gradient(145deg,#172a3d,#101a28)}
    .about-capability h3{margin:0 0 10px;color:#f2f7fa;font-size:19px;line-height:1.45}
    .about-capability p{margin:0;color:#b9c8d4;line-height:1.8}
    .about-legal{margin-top:30px;padding-top:23px;border-top:1px solid #9dc8df3e;display:grid;gap:5px;color:#b9c8d4;font-size:14px;line-height:1.7}
    .about-legal strong{font-size:16px;color:#f2f7fa}.about-legal address{font-style:normal}
    .model-wrap{display:grid;grid-template-columns:1fr .9fr;gap:68px;align-items:center}
    .model .section-head{margin:0}.model .section-head p{margin:0 0 17px}
    .model-points{display:grid;gap:14px}.model-point{display:grid;grid-template-columns:42px 1fr;gap:4px 14px;padding:21px 22px;border-radius:16px;border:1px solid #9dc8df3e;background:linear-gradient(145deg,#172a3d,#101a28);box-shadow:inset 0 1px #d0ebfb24}
    .model-point small{grid-row:1/3;color:#e8a58c;font-family:ui-monospace,monospace}.model-point b{font-size:17px}.model-point span{color:#a9bfce;font-size:13px;line-height:1.6}
    @media(max-width:950px){.model-wrap{grid-template-columns:1fr;gap:26px}}
    @media(max-width:620px){.nav{gap:12px}.nav-cta{display:none}.model{padding:78px 0 82px}.model-point{padding:18px}.hero h1{font-size:clamp(42px,11vw,56px)}}

    .showcase-section{padding:100px 0;border-top:1px solid var(--line)}
    .showcase-section.props{background:linear-gradient(180deg,#0b1521,#101a27)}
    .showcase-section.humans{background:linear-gradient(180deg,#101a27,#0b1320)}
    .showcase-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:17px}
    .showcase-card{min-width:0;overflow:hidden;border-radius:18px;background:#142232;border:1px solid #a9d4e84a;box-shadow:0 18px 35px #0004}
    .showcase-card img{width:100%;height:auto;aspect-ratio:4/5;object-fit:cover}
    .showcase-card-copy{padding:17px 17px 22px}
    .showcase-card h3{margin:0 0 9px;font-size:18px;line-height:1.3}
    .showcase-card p{margin:0;color:#afc2d1;font-size:13px;line-height:1.75}
    .showcase-note{margin:20px 0 0;color:#91aabd;font-size:12px}
    .download-section{display:grid;grid-template-columns:1fr 260px;gap:70px;align-items:center;padding-top:92px;padding-bottom:105px;border-top:1px solid var(--line)}
    .download-section h2{font-size:clamp(34px,4vw,56px);margin:14px 0 16px;letter-spacing:-.035em}
    .download-section p{max-width:610px;color:#b4c7d6;font-size:17px;line-height:1.8}
    .download-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:27px;max-width:660px}
    .download-option{display:grid;gap:11px;padding:22px;border-radius:18px;border:1px solid #9fcfe64d;background:linear-gradient(155deg,#173148,#101b2a)}
    .download-option strong{font-size:20px}.download-option span{color:#a8bed0;font-size:13px}
    .download-option button,.download-option a{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 15px;border-radius:11px;border:1px solid #9fcfe66b;background:#1a344a;color:#c9e8f6;font-weight:700;text-align:center}
    .download-option button:disabled{cursor:not-allowed;opacity:.7}.download-option a{background:linear-gradient(180deg,#eab8a2,#dc876c);color:#21131a;border-color:#eab8a2}
    .download-device{width:195px;height:335px;margin:auto;border:8px solid #49647b;border-radius:32px;background:radial-gradient(circle at 50% 40%,#23547b,#101b2c 62%);box-shadow:0 22px 50px #0009,inset 0 0 0 2px #a7daee33;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;color:#d9f2fb;font-weight:800;font-size:24px}
    .download-device i{font-style:normal;color:#e9ad91;font-size:56px}
    @media(max-width:950px){.showcase-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
    @media(max-width:620px){.showcase-section{padding:78px 0 82px}.showcase-grid{display:grid;grid-auto-flow:column;grid-auto-columns:min(76vw,300px);grid-template-columns:none;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:10px;margin-right:-20px;padding-right:20px}.showcase-card{scroll-snap-align:start}.download-section{grid-template-columns:1fr;gap:27px;padding-top:75px;padding-bottom:85px}.download-options{grid-template-columns:1fr}.download-option{padding:20px}.download-option button,.download-option a{width:100%}.download-device{width:150px;height:255px;border-radius:26px}}