:root{--ink:#14346d;--blue:#1d4282;--red:#dd3926;--paper:#f5f4ef;--line:rgba(20,52,109,.18)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif}a{color:inherit;text-decoration:none}.site-header{height:92px;display:flex;align-items:center;gap:44px;padding:0 4.8vw;border-bottom:1px solid var(--line);position:relative;z-index:10;background:rgba(245,244,239,.9);backdrop-filter:blur(18px)}.brand{margin-right:auto;display:block}.brand img{width:228px;display:block}nav{display:flex;gap:30px;font-size:13px;font-weight:700;letter-spacing:.04em}nav a{padding:36px 0 33px;border-bottom:2px solid transparent}nav a:hover{color:var(--red);border-color:var(--red)}.nav-cta{border:1px solid var(--ink);padding:13px 18px;font-weight:700;font-size:14px;transition:.2s}.nav-cta:hover{background:var(--ink);color:#fff}.nav-cta span{margin-left:24px;color:var(--red)}.hero{min-height:670px;display:grid;grid-template-columns:1fr 1fr;border-bottom:1px solid var(--line);overflow:hidden}.hero-copy{padding:84px 5vw 54px;position:relative;z-index:2}.eyebrow{display:flex;align-items:center;gap:10px;font-size:13px;font-weight:800;letter-spacing:.14em}.eyebrow i{width:8px;height:8px;background:var(--red);display:block;transform:rotate(45deg)}h1{font-size:clamp(58px,6.1vw,96px);line-height:1.02;letter-spacing:-.07em;margin:38px 0 30px;font-weight:800}h1 em{color:var(--red);font-style:normal}.lead{max-width:620px;font-size:18px;line-height:1.85;color:#445a81;margin:0}.hero-actions{display:flex;gap:30px;align-items:center;margin-top:38px}.primary-btn{background:var(--ink);color:#fff;padding:17px 20px 17px 22px;font-weight:700;min-width:188px;display:flex;justify-content:space-between;transition:.2s}.primary-btn:hover{background:var(--red);transform:translateY(-2px)}.text-btn{font-weight:700;border-bottom:1px solid var(--ink);padding:16px 2px 8px}.text-btn span{color:var(--red);margin-left:25px}.safety-note{font-size:12px;color:#6d7c98;margin-top:46px}.safety-note b{color:var(--red);margin-right:10px}.hero-visual{position:relative;border-left:1px solid var(--line);min-height:670px;background:linear-gradient(135deg,rgba(255,255,255,.45),rgba(225,231,239,.35));overflow:hidden}.grid-plane{position:absolute;inset:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:54px 54px;mask-image:linear-gradient(to bottom,black,transparent 92%)}.model-core{width:238px;height:238px;border-radius:50%;position:absolute;left:50%;top:48%;transform:translate(-50%,-50%);display:flex;flex-direction:column;align-items:center;justify-content:center;color:white;background:var(--blue);box-shadow:0 0 0 18px rgba(29,66,130,.07),0 28px 70px rgba(20,52,109,.28)}.model-core:before{content:"";width:52px;height:8px;border-radius:8px;background:var(--red);position:absolute;top:52px}.model-core small{font-size:10px;letter-spacing:.25em;margin-top:15px;opacity:.7}.model-core strong{font-size:68px;letter-spacing:-.08em;line-height:1.15}.model-core span{font-size:11px;letter-spacing:.18em}.orbit{position:absolute;left:50%;top:48%;border:1px solid rgba(20,52,109,.28);border-radius:50%;transform:translate(-50%,-50%) rotate(-17deg)}.orbit-one{width:380px;height:380px}.orbit-two{width:540px;height:540px}.orbit span{width:13px;height:13px;background:var(--red);position:absolute;top:50%;left:-7px;border-radius:50%;box-shadow:0 0 0 7px rgba(221,57,38,.12)}.orbit-two span{left:auto;right:32px;top:13%;background:var(--ink);box-shadow:0 0 0 7px rgba(20,52,109,.12)}.signal-card{position:absolute;width:150px;background:rgba(250,250,247,.93);border:1px solid var(--line);padding:13px 15px;box-shadow:0 12px 30px rgba(20,52,109,.09)}.signal-card i{color:var(--red);font-size:10px;font-style:normal;display:block;margin-bottom:10px}.signal-card b,.signal-card span{display:block}.signal-card b{font-size:14px}.signal-card span{font:10px/1.7 monospace;color:#8190a8;text-transform:uppercase}.card-a{top:85px;left:8%}.card-b{top:120px;right:6%}.card-c{bottom:82px;left:8%}.score-pill{position:absolute;right:5%;bottom:58px;background:var(--red);color:white;padding:15px 18px;min-width:146px}.score-pill span,.score-pill small{display:block;font-size:9px;letter-spacing:.14em;opacity:.8}.score-pill b{font-size:38px;margin-right:6px}.proof-strip{display:grid;grid-template-columns:repeat(4,1fr);background:#fff}.proof-strip>div{min-height:178px;padding:28px 32px;border-right:1px solid var(--line);position:relative}.proof-strip>div:last-child{border:0}.proof-strip span{position:absolute;right:22px;top:22px;font:11px monospace;color:var(--red)}.proof-strip b{display:block;font-size:40px;letter-spacing:-.04em;margin:12px 0}.proof-strip p{color:#667692;font-size:13px;line-height:1.55;max-width:245px;margin:0}.section{padding:110px 5vw}.section-kicker{font:700 11px/1 monospace;letter-spacing:.14em;display:flex;gap:16px;align-items:center;margin-bottom:55px}.section-kicker span{color:var(--red)}.section-kicker.light{color:#aebbd4}.section-heading{display:grid;grid-template-columns:1.25fr .75fr;align-items:end;gap:70px;margin-bottom:70px}.section h2,.research h2,.scenarios h2,.contact h2{font-size:clamp(44px,5vw,72px);line-height:1.08;letter-spacing:-.065em;margin:0}.section-heading p,.benchmark-top p,.scenario-head p{font-size:16px;line-height:1.85;color:#697997;max-width:540px;margin:0}.capability-grid{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line)}.cap-card{min-height:410px;padding:28px;position:relative;border-right:1px solid var(--line);background:#fff;transition:.25s}.cap-card:last-child{border:0}.cap-card:hover{transform:translateY(-6px);box-shadow:0 20px 40px rgba(20,52,109,.1);z-index:2}.cap-card.featured{background:var(--ink);color:#fff}.cap-no{font:11px monospace;color:var(--red)}.cap-glyph{font-size:96px;line-height:1;margin:38px 0 45px;font-weight:800;opacity:.12}.featured .cap-glyph{opacity:.22}.cap-card h3{font-size:24px;margin:0 0 16px}.cap-card p{font-size:14px;line-height:1.8;color:#6c7d99;margin:0;max-width:340px}.featured p{color:#bbc6d9}.tag{position:absolute;bottom:26px;right:28px;font:10px monospace;letter-spacing:.12em}.research{background:var(--ink);color:#fff;display:grid;grid-template-columns:1fr 1fr;padding:110px 5vw;gap:8vw}.research-copy>p{color:#b8c4d8;line-height:1.9;max-width:570px;margin:30px 0 50px}.research-quote{display:flex;align-items:center;gap:24px;border-top:1px solid rgba(255,255,255,.2);padding-top:24px}.research-quote b{color:var(--red);font-size:58px}.research-quote span{font-size:12px;line-height:1.7;color:#bac6d9}.pipeline{list-style:none;margin:10px 0 0;padding:0;border-top:1px solid rgba(255,255,255,.22)}.pipeline li{display:grid;grid-template-columns:52px 1fr auto;align-items:center;min-height:100px;border-bottom:1px solid rgba(255,255,255,.22);transition:.2s}.pipeline li:hover{padding-left:14px;background:rgba(255,255,255,.04)}.pipeline i{font:11px monospace;color:var(--red);font-style:normal}.pipeline b,.pipeline span{display:block}.pipeline b{font-size:18px;margin-bottom:8px}.pipeline span{font-size:12px;color:#aebbd1}.pipeline em{font:10px monospace;color:#7185a8;font-style:normal}.benchmark-top{display:grid;grid-template-columns:1fr 260px;gap:90px;align-items:end}.benchmark-top p{margin-top:26px}.rank{border-left:1px solid var(--line);padding-left:35px}.rank span,.rank small{display:block;font:10px/1.6 monospace;letter-spacing:.1em;color:#72819c}.rank b{display:block;color:var(--red);font-size:86px;line-height:1.05;letter-spacing:-.08em}.score-chart{margin-top:70px;border-top:1px solid var(--line)}.score-row{display:grid;grid-template-columns:50px 180px 1fr 60px;gap:20px;align-items:center;min-height:72px;border-bottom:1px solid var(--line)}.score-row>span{font:10px monospace;color:var(--red)}.score-row>b{font-size:14px}.score-row strong{font-size:22px;text-align:right}.bar{height:6px;background:rgba(20,52,109,.09)}.bar i{display:block;height:100%;background:var(--blue);position:relative}.bar i:after{content:"";width:7px;height:7px;background:var(--red);position:absolute;right:-3px;top:-1px;transform:rotate(45deg)}.model-compare{display:grid;grid-template-columns:repeat(3,1fr);margin-top:58px;border:1px solid var(--line)}.model-compare div{padding:26px;border-right:1px solid var(--line)}.model-compare div:last-child{border:0}.model-compare span,.model-compare small{font:10px/1.6 monospace;display:block;color:#71809a}.model-compare b{display:block;font-size:46px;margin:18px 0 8px}.model-compare .active{background:var(--red);color:#fff}.model-compare .active span,.model-compare .active small{color:#fff}.scenarios{background:#17366f;color:#fff;padding:110px 5vw}.scenario-head{display:grid;grid-template-columns:1.2fr .8fr;gap:70px;align-items:end}.scenario-head p{color:#b8c4d8}.scenario-grid{display:grid;grid-template-columns:repeat(4,1fr);margin-top:70px;border-top:1px solid rgba(255,255,255,.22);border-left:1px solid rgba(255,255,255,.22)}.scenario-grid article{min-height:330px;padding:28px;border-right:1px solid rgba(255,255,255,.22);border-bottom:1px solid rgba(255,255,255,.22);position:relative;transition:.2s}.scenario-grid article:hover{background:var(--red)}.scenario-grid i{font:11px monospace;color:#ff6c5c;font-style:normal}.scenario-grid h3{font-size:22px;margin:65px 0 18px}.scenario-grid p{font-size:13px;line-height:1.8;color:#b8c4d8}.scenario-grid article>span{position:absolute;bottom:25px;font:9px monospace;letter-spacing:.08em}.contact{padding:95px 5vw;display:grid;grid-template-columns:1.3fr .7fr;gap:70px;align-items:end;background:var(--red);color:#fff}.contact>div>span{font:10px monospace;letter-spacing:.14em;display:block;margin-bottom:28px}.contact-side p{font-size:15px;line-height:1.8;margin:0 0 28px}.contact-side a{display:flex;justify-content:space-between;border-bottom:1px solid #fff;padding:14px 0;font-weight:700}.contact-side b{font-size:22px}footer{min-height:170px;padding:45px 5vw;display:grid;grid-template-columns:260px 1fr auto;align-items:center;gap:60px;background:#fff}footer img{width:230px}footer p{font-size:13px;color:#64738f}footer div{display:flex;gap:25px;font:10px monospace;color:#72809a}
@media(max-width:950px){nav{display:none}.site-header{height:76px;padding:0 20px}.brand img{width:180px}.nav-cta{padding:10px 12px}.nav-cta span{margin-left:8px}.hero{grid-template-columns:1fr}.hero-copy{padding:58px 22px 46px}.hero-visual{min-height:530px;border-left:0;border-top:1px solid var(--line)}h1{font-size:56px}.lead{font-size:16px}.proof-strip{grid-template-columns:1fr 1fr}.proof-strip>div{border-bottom:1px solid var(--line)}.section,.research,.scenarios{padding:75px 24px}.section-heading,.research,.benchmark-top,.scenario-head,.contact{grid-template-columns:1fr}.capability-grid{grid-template-columns:1fr}.cap-card{border-right:0;border-bottom:1px solid var(--line);min-height:350px}.scenario-grid{grid-template-columns:1fr 1fr}.contact{padding:70px 24px}.contact-side{max-width:500px}footer{grid-template-columns:1fr;gap:20px;padding:40px 24px}}
@media(max-width:560px){.brand img{width:145px}.nav-cta{font-size:12px}.hero-actions{align-items:flex-start;flex-direction:column;gap:8px}.proof-strip{grid-template-columns:1fr}.proof-strip>div{min-height:140px}.model-core{width:190px;height:190px}.model-core strong{font-size:54px}.orbit-one{width:310px;height:310px}.orbit-two{width:440px;height:440px}.signal-card{width:124px;padding:10px}.card-a{top:35px;left:4%}.card-b{right:4%;top:80px}.card-c{left:4%;bottom:46px}.score-pill{right:4%;bottom:30px}.section-heading{gap:26px}.score-row{grid-template-columns:30px 110px 1fr 45px;gap:8px}.model-compare{grid-template-columns:1fr}.model-compare div{border-right:0;border-bottom:1px solid var(--line)}.scenario-grid{grid-template-columns:1fr}.scenario-grid article{min-height:270px}footer div{flex-direction:column;gap:5px}}

/* Centered editorial layout */
:root{--content:1240px}
body{overflow-x:hidden}
.site-header{padding-left:max(24px,calc((100vw - var(--content))/2));padding-right:max(24px,calc((100vw - var(--content))/2))}
.hero{display:block;position:relative;min-height:0;width:min(var(--content),calc(100% - 48px));margin:36px auto 52px;border:0;border-radius:30px;box-shadow:0 18px 50px rgba(20,52,109,.08);background:#fff;isolation:isolate}
.hero-kv{display:block;width:100%;height:auto}
.hero-live-copy{position:absolute;inset:0 auto 0 0;z-index:2;width:66%;padding:clamp(38px,4.1vw,68px);display:flex;flex-direction:column;background:linear-gradient(90deg,#fbfaf6 0%,#fbfaf6 77%,rgba(251,250,246,.94) 86%,rgba(251,250,246,0) 100%)}
.innovation-lockup strong{display:block;width:max-content;max-width:100%;font-family:"PingFang SC","Microsoft YaHei",sans-serif;font-size:clamp(18px,2.05vw,34px);font-weight:750;line-height:1.2;letter-spacing:.045em;padding:0 0 15px;border-bottom:2px solid var(--ink);position:relative}.innovation-lockup .ai-mark{display:inline;color:var(--red);font-family:Arial,sans-serif;font-weight:800;letter-spacing:-.025em;margin-right:.12em}
.innovation-lockup strong:after{content:"";position:absolute;left:0;bottom:-3px;width:82px;height:6px;background:var(--red)}
.innovation-lockup>span{display:block;margin-top:14px;font-family:"PingFang SC","Microsoft YaHei",sans-serif;font-size:clamp(11px,1.05vw,17px);font-weight:600;letter-spacing:.13em;white-space:nowrap}
.innovation-lockup span b{color:var(--red);padding:0 .35em}.innovation-lockup span em{font-style:normal;margin-left:.55em}
.hero-live-title{margin-top:auto;margin-bottom:auto;position:relative}.hero-live-title:before{content:"";position:absolute;z-index:0;left:-12px;right:0;top:-28px;bottom:-32px;background:linear-gradient(90deg,#fbfaf6 0%,#fbfaf6 84%,rgba(251,250,246,.98) 92%,rgba(251,250,246,0) 100%);pointer-events:none}.hero-live-title h1,.hero-live-title p{position:relative;z-index:1}.hero-live-title h1{font-family:"PingFang SC","Microsoft YaHei",sans-serif;font-size:clamp(52px,6.25vw,100px);font-weight:760;line-height:1.02;letter-spacing:.11em;margin:0;padding:0 .04em 23px 0;border-bottom:3px solid var(--ink);width:max-content;max-width:100%;position:relative}
.hero-live-title h1:after{content:"";position:absolute;left:0;bottom:-4px;width:88px;height:8px;background:var(--red)}
.hero-live-title p{font-family:"Songti SC","STSong",serif;font-size:clamp(21px,2.75vw,44px);font-weight:600;line-height:1.35;letter-spacing:.075em;margin:27px 0 0;white-space:nowrap}
.hero-live-meta{font:9px/1.75 monospace;letter-spacing:.42em;color:#587aac}.hero-live-meta i{display:block;width:52px;height:2px;background:var(--blue);margin-bottom:15px}
.proof-strip{width:min(var(--content),calc(100% - 48px));margin:0 auto;border:1px solid var(--line)}
.proof-strip b small{font-size:.38em;font-weight:700;letter-spacing:0;margin-left:.35em;color:#526b96;vertical-align:.22em}
.section,.research,.scenarios,.contact{padding-left:max(24px,calc((100vw - var(--content))/2));padding-right:max(24px,calc((100vw - var(--content))/2))}
.research{gap:clamp(50px,7vw,110px)}
footer{padding-left:max(24px,calc((100vw - var(--content))/2));padding-right:max(24px,calc((100vw - var(--content))/2))}
.section h2,.research h2,.scenarios h2,.contact h2{font-family:"PingFang SC","Microsoft YaHei",sans-serif;font-size:clamp(38px,3.9vw,60px);font-weight:500;line-height:1.28;letter-spacing:.015em}
.research h2{font-size:clamp(38px,3.5vw,54px);font-weight:480;white-space:nowrap}
@media(max-width:950px){.site-header{padding-left:20px;padding-right:20px}.hero{width:calc(100% - 32px);margin:22px auto 34px;border-radius:20px}.hero-live-copy{width:72%;padding:30px}.innovation-lockup>span{letter-spacing:.1em}.proof-strip{width:calc(100% - 32px)}.section,.research,.scenarios,.contact,footer{padding-left:24px;padding-right:24px}}
@media(max-width:620px){.hero{aspect-ratio:4/3;min-height:430px}.hero-kv{height:100%;object-fit:cover;object-position:68% center}.hero-live-copy{width:100%;padding:28px 24px;background:linear-gradient(90deg,#fbfaf6 0%,rgba(251,250,246,.97) 68%,rgba(251,250,246,.64) 100%)}.innovation-lockup strong{font-size:20px}.innovation-lockup>span{font-size:10px;white-space:normal;line-height:1.6}.hero-live-title h1{font-size:54px}.hero-live-title p{font-size:24px;white-space:normal}.hero-live-meta{font-size:8px}}
@media(max-width:620px){.research h2{font-size:clamp(29px,8.5vw,34px)}}

/* Benchmark: rank lockup + qualitative evaluation display */
.rank b{display:flex;align-items:baseline;gap:.1em;font-size:30px;letter-spacing:.02em;line-height:1}
.rank b em{font-style:normal;font-size:86px;line-height:1.05;letter-spacing:-.06em}
.rank small{margin-top:10px}
.score-chart .score-row{grid-template-columns:50px 190px 1fr auto;gap:24px;min-height:78px}
.score-chart .score-row p{margin:0;max-width:560px;font-size:13.5px;line-height:1.75;color:#697997}
.score-chart .score-row em{font:10px/1.6 monospace;font-style:normal;letter-spacing:.14em;color:#8d99b1;text-align:right}
.model-compare b{font-size:clamp(26px,2.5vw,34px);font-weight:700;letter-spacing:.05em;margin:16px 0 8px}
.compare-note{margin:18px 0 0;font-size:12.5px;line-height:1.7;color:#8d99b1;letter-spacing:.01em}
@media(max-width:950px){.score-chart .score-row{grid-template-columns:40px 150px 1fr;gap:16px}.score-chart .score-row em{display:none}}
@media(max-width:620px){.rank b{font-size:22px}.rank b em{font-size:62px}.score-chart .score-row{grid-template-columns:28px 1fr;gap:4px 12px;padding:18px 0;align-items:start}.score-chart .score-row p{grid-column:2}}

/* ===== English edition typography ===== */
body{font-family:Arial,Helvetica,"Helvetica Neue",sans-serif}
.innovation-lockup strong,.innovation-lockup>span,.hero-live-title h1,
.section h2,.research h2,.scenarios h2,.contact h2{font-family:Arial,Helvetica,"Helvetica Neue",sans-serif}
.hero-live-title h1{font-size:clamp(44px,5.3vw,84px);font-weight:800;letter-spacing:-.02em;padding-bottom:20px}
.hero-live-title h1:after{width:74px;height:7px}
.hero-live-title p{font-family:Georgia,"Times New Roman",serif;font-size:clamp(19px,1.95vw,30px);font-weight:400;letter-spacing:.005em;line-height:1.3;white-space:nowrap;max-width:none;margin-top:24px}
.innovation-lockup strong{font-size:clamp(15px,1.55vw,25px);font-weight:800;letter-spacing:.005em;padding-bottom:13px}
.innovation-lockup strong:after{width:66px;height:5px}
.innovation-lockup>span{font-size:clamp(10px,.92vw,13px);font-weight:600;letter-spacing:.045em;line-height:1.7;white-space:nowrap;max-width:none}
.section h2,.scenarios h2,.contact h2{font-size:clamp(32px,3.35vw,50px);font-weight:600;line-height:1.16;letter-spacing:-.015em}
.research h2{font-size:clamp(30px,2.95vw,45px);font-weight:600;line-height:1.16;letter-spacing:-.015em;white-space:normal}
.cap-glyph{font-family:Arial,Helvetica,sans-serif;font-size:104px;font-weight:800;letter-spacing:-.05em}
.cap-card h3,.scenario-grid h3{letter-spacing:-.01em;line-height:1.25}
.cap-card h3{font-size:22px}
.cap-card{min-height:445px}
.cap-card p{max-width:325px;padding-bottom:30px}
.scenario-grid h3{font-size:20px;margin-top:58px;min-height:2.5em}
.proof-strip b small{vertical-align:.14em;letter-spacing:.01em}
.score-chart .score-row{grid-template-columns:50px 250px 1fr auto}
.model-compare b{font-size:clamp(24px,2.15vw,30px);letter-spacing:0}
@media(max-width:950px){.score-chart .score-row{grid-template-columns:40px 190px 1fr}}
@media(max-width:620px){.hero-live-title h1{font-size:40px}.hero-live-title p{font-size:19px;white-space:normal;max-width:14em}.innovation-lockup strong{font-size:17px}.innovation-lockup>span{white-space:normal;letter-spacing:.03em}.research h2{font-size:clamp(27px,7.6vw,32px)}}