@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600&family=Noto+Serif+SC:wght@600;700&display=swap');

:root{--ink:#071c25;--ink2:#0c2b35;--mint:#80f0c8;--mint2:#d7fff0;--blue:#2377ff;--paper:#f4f5f1;--line:#d8ded9;--muted:#637177;--white:#fff;--max:1280px}
*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:"DM Sans","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased}a{text-decoration:none;color:inherit}button{font:inherit}.site-header{height:84px;padding:0 max(28px,calc((100vw - var(--max))/2));display:flex;align-items:center;gap:34px;background:rgba(244,245,241,.92);backdrop-filter:blur(20px);position:sticky;top:0;z-index:50;border-bottom:1px solid rgba(7,28,37,.1)}.brand{display:flex;align-items:center;gap:12px;margin-right:auto}.brand-mark{width:39px;height:39px;position:relative;border-radius:50%;background:var(--ink);display:grid;place-items:center}.brand-mark i{position:absolute;width:20px;height:2px;background:var(--mint);transform-origin:left}.brand-mark i:nth-child(1){transform:rotate(-52deg);left:10px;top:24px}.brand-mark i:nth-child(2){transform:rotate(0);left:10px;top:20px;width:18px}.brand-mark i:nth-child(3){transform:rotate(52deg);left:10px;top:16px}.brand strong{display:block;font-family:"Noto Serif SC",serif;font-size:21px;line-height:1.1;letter-spacing:2px}.brand small{font-size:8px;letter-spacing:2.1px;color:var(--muted)}.nav-links{display:flex;gap:28px}.nav-links a{font-size:14px;color:#34464c;position:relative}.nav-links a:after{content:"";position:absolute;left:0;bottom:-7px;width:0;height:2px;background:var(--ink);transition:.25s}.nav-links a:hover:after{width:100%}.header-cta{font-size:13px;font-weight:600;border:1px solid var(--ink);padding:10px 16px;border-radius:30px}.header-cta:hover{background:var(--ink);color:white}.menu-toggle{display:none;border:0;background:none}

.hero{min-height:760px;background:var(--ink);color:white;position:relative;overflow:hidden;display:grid;grid-template-columns:1.08fr .92fr;gap:40px;padding:104px max(30px,calc((100vw - var(--max))/2)) 72px}.hero-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:72px 72px;mask-image:linear-gradient(to right,transparent,black)}.hero-orb{position:absolute;border-radius:50%;filter:blur(2px)}.orb-one{width:560px;height:560px;right:-100px;top:-260px;background:radial-gradient(circle,rgba(35,119,255,.35),transparent 68%)}.orb-two{width:480px;height:480px;left:34%;bottom:-330px;background:radial-gradient(circle,rgba(128,240,200,.17),transparent 68%)}.hero-copy{position:relative;z-index:2}.eyebrow,.section-kicker{font-size:11px;letter-spacing:2px;font-weight:600;text-transform:uppercase;color:#577078}.eyebrow{color:rgba(255,255,255,.66);display:flex;align-items:center;gap:10px}.eyebrow span{width:7px;height:7px;background:var(--mint);border-radius:50%;box-shadow:0 0 16px var(--mint)}.hero h1{font-family:"Noto Serif SC",serif;font-size:clamp(52px,5vw,78px);line-height:1.24;letter-spacing:-3px;margin:29px 0 28px}.hero h1 em{font-style:normal;color:var(--mint)}.hero h1 span{display:inline-block;color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.65)}.hero-copy>p{max-width:660px;font-size:18px;color:rgba(255,255,255,.67);line-height:1.9}.hero-actions{display:flex;gap:14px;margin:38px 0 55px}.btn{border:0;border-radius:4px;padding:14px 24px;display:inline-flex;align-items:center;justify-content:center;gap:18px;cursor:pointer;font-weight:600;transition:.25s}.btn:hover{transform:translateY(-2px)}.btn-light{background:var(--mint);color:var(--ink)}.btn-ghost{background:transparent;color:white;border:1px solid rgba(255,255,255,.3)}.hero-proof{display:flex;gap:0;border-top:1px solid rgba(255,255,255,.13);padding-top:26px;max-width:620px}.hero-proof div{padding:0 28px;border-left:1px solid rgba(255,255,255,.13)}.hero-proof div:first-child{padding-left:0;border:0}.hero-proof strong{display:block;font-size:23px}.hero-proof span{font-size:11px;color:rgba(255,255,255,.48)}

.model-visual{align-self:center;height:500px;position:relative;z-index:2;border:1px solid rgba(128,240,200,.16);background:rgba(7,28,37,.38);backdrop-filter:blur(10px);border-radius:18px;box-shadow:0 40px 100px rgba(0,0,0,.24)}.visual-head{position:absolute;top:20px;left:24px;right:24px;display:flex;justify-content:space-between;font-size:8px;letter-spacing:2px;color:rgba(255,255,255,.38)}.visual-head b{color:var(--mint);font-weight:500}.visual-head b:before{content:"";display:inline-block;width:5px;height:5px;background:var(--mint);border-radius:50%;margin-right:6px}.model-core{position:absolute;width:180px;height:180px;left:50%;top:50%;transform:translate(-50%,-50%);border:1px solid rgba(128,240,200,.35);border-radius:50%;display:flex;flex-direction:column;align-items:center;justify-content:center;background:radial-gradient(circle,rgba(128,240,200,.12),rgba(7,28,37,.85));box-shadow:0 0 70px rgba(128,240,200,.08)}.model-core:before,.model-core:after{content:"";position:absolute;border:1px solid rgba(128,240,200,.1);border-radius:50%;inset:-26px}.model-core:after{inset:-55px}.model-core>span{font-size:12px;color:var(--mint);letter-spacing:2px}.model-core strong{text-align:center;font-size:20px;line-height:1.45;margin:4px}.model-core small{font-size:8px;color:rgba(255,255,255,.35)}.model-visual>svg{position:absolute;inset:0;width:100%;height:100%}.model-visual>svg path{fill:none;stroke:rgba(128,240,200,.32);stroke-width:1;stroke-dasharray:5 8}.data-node{position:absolute;width:130px;padding:14px 15px;border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.045);border-radius:8px}.data-node i{width:6px;height:6px;border-radius:50%;display:inline-block;background:var(--mint);margin-right:7px}.data-node span{font-size:13px}.data-node b{display:block;font-size:8px;color:rgba(255,255,255,.32);font-weight:400;letter-spacing:1px;margin-left:17px}.node-a{left:24px;top:84px}.node-b{right:24px;top:84px}.node-c{left:24px;bottom:45px}.node-d{right:24px;bottom:45px}.signal{position:absolute;bottom:19px;left:50%;display:flex;gap:4px;transform:translateX(-50%)}.signal span{width:22px;height:2px;background:rgba(128,240,200,.14)}.signal span:nth-child(3){background:var(--mint)}

.thesis,.scenarios,.about{padding:120px max(30px,calc((100vw - var(--max))/2))}.thesis{background:#eef0ec}.thesis-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:110px;margin-top:32px}.thesis h2,.section-intro h2,.foundation h2,.about h2,.contact h2{font-family:"Noto Serif SC",serif;font-size:clamp(34px,4vw,54px);line-height:1.4;letter-spacing:-1.6px}.thesis h2 span{color:var(--blue)}.thesis-layout>div p{color:#45575d;margin-bottom:18px;font-size:17px}.text-link{border:0;background:none;color:var(--ink);font-weight:600;padding:9px 0;border-bottom:1px solid var(--ink);cursor:pointer}.model-strip{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);margin-top:85px}.model-strip div{padding:28px 30px 0;border-left:1px solid var(--line)}.model-strip div:first-child{border:0;padding-left:0}.model-strip span{font-size:10px;color:var(--blue);font-weight:600}.model-strip strong{display:block;margin:9px 0 3px}.model-strip small{color:var(--muted)}

.scenarios{background:white}.section-intro{display:grid;grid-template-columns:1.1fr .9fr;gap:100px;align-items:end;margin-bottom:58px}.section-intro .section-kicker{margin-bottom:18px}.section-intro>p{color:var(--muted);font-size:17px}.scenario-shell{display:grid;grid-template-columns:300px 1fr;border:1px solid var(--line);min-height:520px}.scenario-tabs{background:#edf0ed;padding:22px;display:flex;flex-direction:column;gap:6px}.scenario-tabs button{border:0;background:transparent;text-align:left;padding:22px 18px;color:#53646a;cursor:pointer;border-radius:5px}.scenario-tabs button span{font-size:9px;margin-right:12px;color:#879398}.scenario-tabs button.active{background:var(--ink);color:white}.scenario-tabs button.active span{color:var(--mint)}.scenario-panel{padding:55px 58px;display:grid;grid-template-columns:1.05fr .95fr;gap:50px;animation:panelIn .35s ease}@keyframes panelIn{from{opacity:.2;transform:translateY(8px)}}.panel-label{font-size:9px;letter-spacing:2px;color:var(--blue);font-weight:600}.scenario-copy h3{font-family:"Noto Serif SC",serif;font-size:32px;line-height:1.45;margin:14px 0}.scenario-copy p{color:var(--muted)}.scenario-copy ul{list-style:none;margin:24px 0}.scenario-copy li{border-top:1px solid var(--line);padding:11px 0;font-size:14px}.scenario-copy li:before{content:"＋";color:var(--blue);margin-right:10px}.scenario-data{background:var(--ink);padding:30px;color:white;position:relative;overflow:hidden}.scenario-data:after{content:"";position:absolute;width:240px;height:240px;border-radius:50%;background:radial-gradient(circle,rgba(128,240,200,.16),transparent 70%);right:-70px;top:-70px}.data-card,.mini-card{position:relative;z-index:1}.data-card small{font-size:8px;letter-spacing:2px;color:rgba(255,255,255,.35)}.data-card>strong{display:block;margin-top:11px}.score{margin:22px 0}.score span{font-size:67px;font-weight:500;color:var(--mint)}.score i{font-style:normal;color:rgba(255,255,255,.3)}.bar{height:5px;background:rgba(255,255,255,.1)}.bar i{display:block;height:100%;width:72%;background:var(--mint)}.data-card p{font-size:11px;color:rgba(255,255,255,.48);margin-top:14px}.mini-card{border-top:1px solid rgba(255,255,255,.12);margin-top:34px;padding-top:20px}.mini-card>span{font-size:11px}.mini-card svg{display:block;width:100%;height:72px;margin:4px 0}.mini-card path{fill:none;stroke:var(--mint);stroke-width:2}.mini-card small{color:rgba(255,255,255,.35);font-size:9px}

.foundation{padding:115px max(30px,calc((100vw - var(--max))/2));background:var(--ink);color:white;display:grid;grid-template-columns:1fr 480px;gap:110px}.section-kicker.light{color:var(--mint)}.foundation h2{margin:20px 0 25px}.foundation-copy>p{color:rgba(255,255,255,.58);max-width:650px}.foundation-points{display:flex;flex-wrap:wrap;gap:8px;margin-top:35px}.foundation-points span{font-size:11px;border:1px solid rgba(255,255,255,.17);padding:8px 13px;border-radius:30px}.pipeline{display:flex;flex-direction:column}.pipeline>div{border:1px solid rgba(255,255,255,.12);padding:16px 18px;display:flex;gap:18px;align-items:center}.pipeline>div.active{border-color:var(--mint);background:rgba(128,240,200,.06)}.pipeline i{font-style:normal;color:var(--mint);font-size:10px}.pipeline strong{display:block;font-size:14px}.pipeline small{display:block;color:rgba(255,255,255,.35);font-size:10px}.pipeline>b{text-align:center;color:rgba(255,255,255,.22);font-weight:400;height:25px}.global-reference{padding:40px max(30px,calc((100vw - var(--max))/2));background:var(--mint);display:grid;grid-template-columns:190px 1fr 250px;gap:30px;align-items:center}.global-reference>span{font-size:9px;font-weight:600;letter-spacing:2px}.global-reference p{font-size:14px}.global-reference a{text-align:right;font-size:12px;font-weight:600}

.about{display:grid;grid-template-columns:.8fr 1.2fr;gap:130px;background:var(--paper)}.about-number{border-top:1px solid var(--ink);padding-top:20px}.about-number strong{font-size:76px;display:block;letter-spacing:-4px}.about-number span{color:var(--muted);font-size:13px}.about-copy h2{margin:20px 0 26px}.about-copy>p{color:var(--muted);font-size:17px}.founder{margin-top:38px;padding-top:22px;border-top:1px solid var(--line);display:grid;grid-template-columns:80px 150px 1fr;align-items:center}.founder span,.founder small{font-size:11px;color:var(--muted)}.contact{background:var(--mint);padding:90px max(30px,calc((100vw - var(--max))/2));display:grid;grid-template-columns:1.15fr .85fr;gap:100px;align-items:end}.contact>div>span{font-size:9px;letter-spacing:2px}.contact h2{margin-top:10px}.contact p{margin-bottom:28px}.btn-dark{background:var(--ink);color:white}footer{background:#05151c;color:rgba(255,255,255,.5);padding:45px max(30px,calc((100vw - var(--max))/2));display:flex;align-items:center;gap:30px;font-size:11px}footer p:nth-of-type(1){margin-right:auto}.footer-brand strong{font-family:"Noto Serif SC",serif;color:white;font-size:18px;display:block}.footer-brand span{font-size:7px;letter-spacing:2px}

dialog{width:min(760px,calc(100vw - 30px));border:0;border-radius:10px;padding:48px;background:var(--paper);color:var(--ink);margin:auto;box-shadow:0 40px 120px rgba(0,0,0,.4)}dialog::backdrop{background:rgba(2,16,22,.78);backdrop-filter:blur(5px)}.dialog-close{position:absolute;right:20px;top:14px;background:none;border:0;font-size:30px;cursor:pointer;color:var(--muted)}.dialog-kicker{font-size:9px;letter-spacing:2px;color:var(--blue)}dialog h2{font-family:"Noto Serif SC",serif;font-size:32px;margin:10px 0}dialog>p{color:var(--muted)}dialog ol{display:grid;grid-template-columns:1fr 1fr;list-style:none;margin:26px 0;gap:8px}dialog li{padding:13px;background:white;border:1px solid var(--line)}dialog li b{display:block;font-size:13px}dialog li span{font-size:10px;color:var(--muted)}.dialog-action{margin-top:10px}

@media(max-width:1050px){.nav-links{display:none}.site-header{height:72px}.menu-toggle{display:block;margin-left:auto}.menu-toggle span{display:block;width:23px;height:2px;background:var(--ink);margin:6px}.menu-toggle.active+ .nav-links{display:flex;position:absolute;top:72px;left:0;right:0;background:var(--paper);padding:25px;flex-direction:column;border-bottom:1px solid var(--line)}.header-cta{display:none}.hero{grid-template-columns:1fr;padding-top:80px}.model-visual{max-width:650px;width:100%;justify-self:center}.foundation{grid-template-columns:1fr;gap:55px}.global-reference{grid-template-columns:1fr}.global-reference a{text-align:left}.about{gap:60px}}
@media(max-width:760px){.site-header{padding:0 20px}.hero{padding:66px 20px 50px;min-height:auto}.hero h1{font-size:42px;letter-spacing:-2px}.hero-copy>p{font-size:16px}.hero-actions{flex-direction:column;align-items:stretch}.hero-proof{justify-content:space-between}.hero-proof div{padding:0 11px}.hero-proof strong{font-size:19px}.model-visual{height:410px}.model-core{width:140px;height:140px}.model-core strong{font-size:16px}.data-node{width:103px;padding:10px}.data-node span{font-size:11px}.node-a,.node-c{left:10px}.node-b,.node-d{right:10px}.thesis,.scenarios,.about{padding:75px 20px}.thesis-layout,.section-intro,.about,.contact{grid-template-columns:1fr;gap:35px}.model-strip{grid-template-columns:1fr;margin-top:55px}.model-strip div,.model-strip div:first-child{padding:19px 0;border-left:0;border-top:1px solid var(--line)}.scenario-shell{grid-template-columns:1fr}.scenario-tabs{flex-direction:row;overflow:auto;padding:10px}.scenario-tabs button{min-width:190px;padding:14px}.scenario-panel{padding:30px 22px;grid-template-columns:1fr}.foundation{padding:75px 20px}.foundation h2,.contact h2{font-size:34px}.global-reference{padding:28px 20px}.about-number strong{font-size:57px}.founder{grid-template-columns:72px 1fr}.founder small{grid-column:2}.contact{padding:70px 20px}.contact>div:last-child{align-self:start}footer{padding:36px 20px;display:block}footer>*{margin-bottom:12px}dialog{padding:35px 22px}dialog ol{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important;transition:none!important}}

/* 产品体系与开放研发网络 */
.products{padding:120px max(30px,calc((100vw - var(--max))/2));background:#f8f9f6}.product-intro{margin-bottom:58px}.flagship-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.flagship-card{min-height:475px;padding:42px;position:relative;overflow:hidden}.flagship-card:after{content:"";position:absolute;width:330px;height:330px;border-radius:50%;right:-160px;bottom:-190px;border:1px solid currentColor;opacity:.13}.flagship-card.pilot{background:var(--ink);color:white}.flagship-card.pet{background:var(--mint);color:var(--ink)}.flagship-meta{display:flex;justify-content:space-between;align-items:center;font-size:10px;letter-spacing:1.5px;opacity:.62}.flagship-meta b{font-size:30px;font-weight:400}.flagship-card h3{font-size:42px;letter-spacing:-2px;margin-top:30px}.flagship-card h4{font-family:"Noto Serif SC",serif;font-size:24px;margin-bottom:16px}.flagship-card p{max-width:520px;opacity:.68}.flagship-card ul{list-style:none;margin:24px 0 30px;display:grid;grid-template-columns:1fr 1fr;gap:8px 20px}.flagship-card li{font-size:13px;border-top:1px solid currentColor;padding-top:8px;opacity:.85}.flagship-card li:before{content:"＋";margin-right:7px}.flagship-card small{font-size:10px;opacity:.5}.capability-rail{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);border-top:0;background:white}.capability-rail div{padding:26px 28px;border-left:1px solid var(--line)}.capability-rail div:first-child{border:0}.capability-rail span,.capability-rail small{display:block;font-size:10px;color:var(--muted)}.capability-rail strong{display:block;margin:8px 0 2px}.status-note{font-size:11px;color:var(--muted);margin-top:16px}.research-network{padding:95px max(30px,calc((100vw - var(--max))/2));background:#0b2530;color:white;display:grid;grid-template-columns:.9fr 1.1fr;gap:80px}.network-title h2{font-family:"Noto Serif SC",serif;font-size:40px;line-height:1.4;margin-top:16px}.network-copy p{color:rgba(255,255,255,.68);font-size:17px}.network-copy small{display:block;color:rgba(255,255,255,.35);margin-top:12px}.network-map{grid-column:1/-1;display:flex;align-items:center;justify-content:center;border-top:1px solid rgba(255,255,255,.12);padding-top:34px}.network-map span{width:180px;text-align:center;font-size:16px}.network-map span b{font-size:10px;color:var(--mint);font-weight:400}.network-map i{height:1px;width:140px;background:linear-gradient(90deg,transparent,var(--mint),transparent);position:relative}.network-map i:after{content:"";position:absolute;right:0;top:-3px;border-left:6px solid var(--mint);border-top:3px solid transparent;border-bottom:3px solid transparent}
@media(max-width:760px){.products{padding:75px 20px}.flagship-grid,.capability-rail,.research-network{grid-template-columns:1fr}.flagship-card{padding:30px;min-height:auto}.flagship-card ul{grid-template-columns:1fr}.capability-rail div{border-left:0;border-top:1px solid var(--line)}.research-network{padding:70px 20px;gap:32px}.network-map{overflow:auto;justify-content:flex-start}.network-map span{min-width:120px}.network-map i{min-width:60px}.network-title h2{font-size:32px}}

/* V3：高饱和生命力 + AI理性 */
:root{--mint:#B7FF45;--mint2:#E8FFC3;--blue:#4B5CFF;--coral:#FF6846;--purple:#B16CFF;--cyan:#3DE1F5;--paper:#F5F4FA;--line:#DCDDE7}.hero{background:#071C25}.orb-one{background:radial-gradient(circle,rgba(75,92,255,.5),transparent 68%)}.orb-two{background:radial-gradient(circle,rgba(177,108,255,.28),transparent 68%)}.hero-badge,.eyebrow span,.btn-light,.model-core>span{color:var(--ink)}.model-core>span{background:var(--mint);padding:2px 7px;border-radius:12px}.hero h1 em{color:var(--mint)}.hero h1 span{-webkit-text-stroke:1px rgba(61,225,245,.78)}.data-node:nth-of-type(1) i{background:var(--mint)}.node-b i{background:var(--cyan)}.node-c i{background:var(--coral)}.node-d i{background:var(--purple)}
.products{background:#F7F6FC}.care-chain{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;position:relative}.chain-card{min-height:440px;padding:30px 27px;position:relative;overflow:hidden;border:1px solid rgba(7,28,37,.11);display:flex;flex-direction:column}.chain-card:after{content:"";position:absolute;width:180px;height:180px;border-radius:50%;right:-100px;bottom:-110px;border:38px solid rgba(255,255,255,.3)}.chain-card:not(:last-child):before{content:"→";position:absolute;right:-13px;top:46%;z-index:4;width:26px;height:26px;border-radius:50%;background:var(--ink);color:#fff;display:grid;place-items:center;font-size:12px}.pet-step{background:var(--coral);color:#1C1010}.pilot-step{background:var(--blue);color:#fff}.proof-step{background:var(--purple);color:#160B22}.outcome-step{background:var(--mint);color:var(--ink)}.chain-top{display:flex;justify-content:space-between;align-items:center;font-size:10px;text-transform:uppercase;letter-spacing:1.5px;opacity:.68}.chain-top b{font-size:24px}.chain-card h3{font-size:28px;letter-spacing:-1px;margin-top:42px}.chain-card h4{font-family:"Noto Serif SC",serif;font-size:21px;line-height:1.45;margin:5px 0 20px}.chain-card p{font-size:14px;line-height:1.8;opacity:.76}.chain-card small{font-size:10px;opacity:.58;margin-top:auto;padding-top:30px;border-top:1px solid currentColor}.real-products{display:grid;grid-template-columns:210px repeat(7,1fr);margin-top:15px;background:var(--ink);color:#fff}.real-products>span,.real-products>div{padding:18px 14px;border-left:1px solid rgba(255,255,255,.13);font-size:11px;display:flex;align-items:center}.real-products>span{border-left:0;color:var(--mint);font-weight:600}.real-products>div:nth-child(3n+2){color:var(--cyan)}.real-products>div:nth-child(3n){color:#FF9A82}.real-products>div:nth-child(3n+1){color:#D6B5FF}.status-note{padding-left:14px;border-left:3px solid var(--blue)}.scenario-tabs button.active{background:var(--blue)}.scenario-data{background:linear-gradient(145deg,var(--ink),#112E51)}.score span{color:var(--mint)}.bar i{background:linear-gradient(90deg,var(--blue),var(--cyan),var(--mint))}.foundation{background:linear-gradient(140deg,#071C25,#101B35)}.foundation-points span:nth-child(2){border-color:var(--cyan);color:var(--cyan)}.foundation-points span:nth-child(3){border-color:var(--purple);color:#D9B7FF}.foundation-points span:nth-child(4){border-color:var(--coral);color:#FF9B85}.global-reference{background:linear-gradient(90deg,var(--mint),var(--cyan))}.research-network{background:linear-gradient(140deg,#0B2530,#21143A)}.contact{background:linear-gradient(110deg,var(--mint),var(--cyan) 55%,#C8B3FF)}
@media(max-width:1050px){.care-chain{grid-template-columns:1fr 1fr}.chain-card:not(:last-child):before{display:none}.real-products{grid-template-columns:1fr 1fr}.real-products>span{grid-column:1/-1}}
@media(max-width:620px){.care-chain{grid-template-columns:1fr}.chain-card{min-height:360px}.real-products{grid-template-columns:1fr}.real-products>span{grid-column:auto}.real-products>span,.real-products>div{border-left:0;border-top:1px solid rgba(255,255,255,.13)}}

/* V4：四项业务改为同一照护闭环 */
.care-loop{height:820px;max-width:1120px;margin:0 auto 25px;position:relative;background:radial-gradient(circle at center,rgba(75,92,255,.08),transparent 46%)}.loop-ring{position:absolute;width:650px;height:650px;left:50%;top:50%;transform:translate(-50%,-50%) rotate(-18deg)}.loop-ring circle{fill:none;stroke:#0D303B;stroke-width:2;stroke-dasharray:8 9}.loop-ring .loop-pulse{stroke:rgba(75,92,255,.22);stroke-width:34;stroke-dasharray:none}.loop-center{position:absolute;width:260px;height:260px;border-radius:50%;left:50%;top:50%;transform:translate(-50%,-50%);background:var(--ink);color:#fff;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;box-shadow:0 30px 80px rgba(7,28,37,.2)}.loop-center:after{content:"";position:absolute;inset:13px;border:1px solid rgba(183,255,69,.5);border-radius:50%}.loop-center span{font-size:9px;line-height:1.35;letter-spacing:2px;color:var(--mint);z-index:1}.loop-center strong{font-family:"Noto Serif SC",serif;font-size:25px;line-height:1.45;margin:9px 0;z-index:1}.loop-center small{font-size:9px;color:rgba(255,255,255,.45);z-index:1}.loop-node{position:absolute;width:300px;min-height:190px;padding:24px 26px;background:#fff;border:1px solid #C8CED4;box-shadow:0 14px 35px rgba(7,28,37,.08);z-index:2}.loop-node>b{float:left;font-size:11px;color:var(--blue);margin-right:10px}.loop-node>span{font-size:10px;letter-spacing:1px;color:var(--muted)}.loop-node h3{font-size:22px;margin:17px 0 0;color:var(--ink)}.loop-node h4{font-family:"Noto Serif SC",serif;font-size:17px;margin:2px 0 9px;color:var(--ink)}.loop-node p{font-size:12px;line-height:1.65;color:var(--muted)}.node-pet{left:50%;top:8px;transform:translateX(-50%)}.node-pilot{right:0;top:50%;transform:translateY(-50%)}.node-proof{left:50%;bottom:8px;transform:translateX(-50%)}.node-outcome{left:0;top:50%;transform:translateY(-50%)}.loop-arrow{position:absolute;width:36px;height:36px;border-radius:50%;background:var(--ink);color:var(--mint);display:grid;place-items:center;font-style:normal;font-size:14px;z-index:3;box-shadow:0 0 0 7px #F7F6FC}.arrow-a{right:187px;top:172px;transform:rotate(42deg)}.arrow-b{right:188px;bottom:172px;transform:rotate(-42deg)}.arrow-c{left:187px;bottom:172px;transform:rotate(42deg)}.arrow-d{left:187px;top:172px;transform:rotate(-42deg)}
@media(max-width:920px){.care-loop{height:auto;display:grid;grid-template-columns:1fr 1fr;gap:14px;background:none}.loop-ring,.loop-center,.loop-arrow{display:none}.loop-node{position:static;width:auto;min-height:190px;transform:none!important}}
@media(max-width:620px){.care-loop{grid-template-columns:1fr}.loop-node{min-height:0}}