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

:root{--ink:#173032;--deep:#102d2d;--muted:#647677;--paper:#f7f8f4;--white:#fff;--line:#dce4dc;--mint:#c7e9db;--mint-light:#e9f5ee;--teal:#3c938c;--serif:'Noto Serif SC','Songti SC','SimSun',serif;--sans:'Noto Sans SC','PingFang SC','Microsoft YaHei',sans}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:96px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased}
body::selection{background:var(--mint);color:var(--deep)}
a{color:inherit;text-decoration:none}
button{font:inherit}
img{display:block;max-width:100%}
.container{width:min(100% - 80px,1280px);margin-inline:auto}
.skip-link{position:absolute;top:-60px;left:12px;z-index:100;background:var(--deep);color:white;padding:12px 16px}.skip-link:focus{top:12px}
:focus-visible{outline:3px solid #56b4a8;outline-offset:4px}
.site-header{height:84px;position:sticky;top:0;z-index:30;background:rgba(247,248,244,.94);border-bottom:1px solid var(--line);backdrop-filter:blur(16px);transition:box-shadow .25s}
.site-header.is-scrolled{box-shadow:0 12px 32px rgba(16,45,45,.08)}
.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between}
.brand{display:inline-flex;align-items:center;gap:11px;white-space:nowrap}.brand-name{font-size:22px;font-weight:700;letter-spacing:-.06em}
.brand-mark{width:33px;height:33px;background:url('assets/favicon.svg?v=20261103-brand') center/contain no-repeat;display:inline-block;position:relative;flex:none}
.site-nav{display:flex;align-items:center;gap:42px}.site-nav>a{font-size:14px;font-weight:600;transition:color .2s}.site-nav>a:hover{color:var(--teal)}.site-nav .nav-contact{background:var(--deep);color:#fff;padding:13px 20px;border-radius:4px;margin-left:14px;display:flex;gap:22px;align-items:center}.site-nav .nav-contact:hover{background:#245752;color:#fff}.menu-toggle{display:none}
.hero{position:relative;overflow:hidden;background:radial-gradient(circle at 74% 23%,#eff7f0 0,transparent 36%),var(--paper)}
.hero::before{content:"";position:absolute;width:500px;height:500px;right:-250px;top:-260px;border:1px solid #d8e9de;border-radius:50%;box-shadow:0 0 0 100px rgba(228,239,228,.22),0 0 0 200px rgba(228,239,228,.12);pointer-events:none}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:7%;align-items:center;min-height:690px;padding-top:70px;padding-bottom:78px}
.hero-copy{position:relative;z-index:1}.eyebrow,.section-label{display:flex;align-items:center;gap:13px;text-transform:uppercase;letter-spacing:.11em;font-size:12px;font-weight:700;color:var(--teal)}.eyebrow-line{width:24px;height:1px;background:currentColor}.hero h1{font-family:var(--serif);font-size:clamp(42px,4.4vw,72px);line-height:1.32;letter-spacing:-.065em;margin:30px 0 28px;font-weight:700;white-space:nowrap}.hero h1 em,.task-section h2 em{font-style:normal;color:var(--teal)}.title-dot{color:var(--teal)}.hero-lead{font-size:17px;line-height:2;color:#516869;max-width:600px;margin:0}.hero-actions{display:flex;align-items:center;gap:32px;margin-top:41px;flex-wrap:wrap}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:33px;padding:17px 21px;font-size:14px;font-weight:700;border-radius:4px;transition:transform .2s,background .2s,box-shadow .2s}.button:hover{transform:translateY(-3px);box-shadow:0 12px 24px rgba(18,60,54,.14)}.button-primary{background:var(--deep);color:#fff}.button-primary:hover{background:#245752}.button span{font-size:19px;font-weight:400}.text-link{font-size:13px;color:var(--muted);display:flex;flex-direction:column;gap:2px}.text-link span{font-size:16px;color:var(--ink);font-weight:700;border-bottom:1px solid #a7b9af;padding-bottom:4px}.text-link:hover span{color:var(--teal)}.hero-note{font-size:12px;color:#6c8180;margin-top:50px;display:flex;align-items:center;gap:10px}.pulse-dot{width:7px;height:7px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 4px #dbece3}
.hero-visual{position:relative;z-index:1;background:#fff;padding:24px 27px 22px;border:1px solid #dfe9e2;box-shadow:0 30px 80px rgba(16,45,45,.08);border-radius:12px;transform:rotate(1.25deg)}.visual-topline,.visual-footer{display:flex;justify-content:space-between;align-items:center;font-size:11px;color:#7b9390;letter-spacing:.07em}.visual-topline{padding:0 4px 20px;border-bottom:1px solid #edf1ed}.visual-topline span:first-child{font-weight:700;color:var(--ink);letter-spacing:0}.visual-card{display:flex;gap:15px;align-items:center;background:#f8faf7;border:1px solid #e9efe8;border-radius:8px;padding:17px 19px}.input-card{margin-top:21px}.visual-card strong{font-size:14px;display:block;margin:4px 0}.visual-card p{font-size:11px;color:#869492;margin:0}.visual-kicker{font-size:10px;color:var(--teal);font-weight:700;letter-spacing:.04em}.card-icon{width:38px;height:38px;display:grid;place-items:center;font-size:22px;border-radius:8px;flex:none}.icon-inbox{background:#e4f2ec;color:#408d79}.icon-check{background:#e0eee9;color:#207e70}.flow-connector{height:26px;display:flex;justify-content:center}.flow-connector span{width:1px;height:100%;background:#9ecbbd;position:relative}.flow-connector span::after{content:"";position:absolute;bottom:0;left:-3px;border:4px solid transparent;border-top-color:#9ecbbd;transform:translateY(7px)}.agent-card{display:block;background:var(--deep);border-color:var(--deep);color:#fff;padding:20px}.agent-header{display:flex;align-items:center;gap:8px;color:#bcebdc;font-size:10px;letter-spacing:.13em}.agent-symbol{font-size:20px;line-height:1}.agent-live{margin-left:auto;background:#285e57;color:#d7f6ea;border-radius:12px;padding:4px 9px;letter-spacing:0}.agent-card>strong{font-size:17px;margin:17px 0 16px}.extracted-fields{display:flex;gap:6px;flex-wrap:wrap}.extracted-fields span{font-size:10px;border:1px solid #43716b;color:#c8ded7;padding:6px 7px;border-radius:3px}.extracted-fields b{font-weight:600;color:#a7e9d4;margin-left:4px}.approval{border-top:1px solid #315b56;margin-top:17px;padding-top:14px;font-size:11px;color:#d9e9e4}.approval-icon{display:inline-grid;place-items:center;width:17px;height:17px;border-radius:50%;background:#b9ead9;color:var(--deep);font-weight:700;margin-right:5px}.visual-footer{justify-content:flex-start;gap:6px;padding:19px 3px 0;letter-spacing:0}.visual-footer-dot{height:6px;width:6px;background:#a2bfad;border-radius:50%}.hero-bottom{border-top:1px solid var(--line);padding:19px 0;display:flex;align-items:center;justify-content:space-between;color:#80918c;font-size:11px;letter-spacing:.08em}.down-arrow{font-size:18px;color:var(--teal);animation:float 2.8s ease-in-out infinite}@keyframes float{50%{transform:translateY(6px)}}
.section{padding:120px 0}.section-heading{display:flex;justify-content:space-between;gap:50px;align-items:end;margin-bottom:50px}.section-label{color:var(--teal);font-size:11px;letter-spacing:.13em}.section-label span{display:inline-grid;place-items:center;border:1px solid currentColor;border-radius:50%;height:26px;width:26px;font-size:10px;letter-spacing:0}.section-heading h2,.about-copy h2,.contact-copy h2{font-family:var(--serif);font-size:clamp(33px,3.5vw,53px);letter-spacing:-.06em;line-height:1.45;margin:25px 0 0}.section-heading>p{color:var(--muted);max-width:360px;line-height:1.9;font-size:14px;margin:0 0 6px}.section-intro{background:#fff}
.featured-solution{display:grid;grid-template-columns:.89fr 1.11fr;min-height:500px;background:#e9f3eb;border:1px solid #d8e9dc;border-radius:9px;overflow:hidden}.featured-copy{padding:55px 6% 55px 9%;display:flex;flex-direction:column;align-items:start}.solution-number{font-size:12px;font-weight:700;color:#3c8c7a}.solution-number span{font-weight:500;margin-left:14px;color:#8ba69a}.featured-copy h3{font-family:var(--serif);font-size:clamp(29px,3vw,43px);letter-spacing:-.06em;line-height:1.45;margin:35px 0 19px}.featured-copy>p{font-size:14px;line-height:2;color:#536b65;margin:0 0 25px;max-width:440px}.solution-meta{display:flex;flex-direction:column;gap:5px;font-size:12px;color:#739080}.solution-meta strong{font-size:13px;color:var(--ink)}.inline-link{font-size:13px;font-weight:700;border-bottom:1px solid #4b8c79;padding:0 0 8px;display:inline-flex;gap:24px;transition:gap .2s,color .2s}.inline-link:hover{gap:32px;color:var(--teal)}.featured-copy>.inline-link{margin-top:auto;padding-top:25px}
.scenario-board{align-self:center;background:#fff;margin:45px 45px 45px 20px;border:1px solid #d9e5dc;border-radius:10px;box-shadow:0 20px 50px rgba(15,58,48,.09);overflow:hidden}.board-top{display:flex;justify-content:space-between;padding:15px 20px;border-bottom:1px solid #e6ece7;font-size:11px;font-weight:700;color:#69897c}.board-dots{display:flex;gap:5px}.board-dots i{height:6px;width:6px;background:#c5d7cb;border-radius:50%}.board-content{padding:17px 24px}.board-row{display:flex;gap:15px;align-items:center;padding:13px 12px;border-radius:6px}.board-row-highlight{background:#eaf4ed}.board-index{display:grid;place-items:center;height:32px;width:32px;flex:none;border:1px solid #abcab9;border-radius:6px;color:#5c9a81;font-size:12px;font-weight:700}.board-row small{display:block;color:#82968c;font-size:10px}.board-row strong{display:block;font-size:14px;margin:2px 0}.board-row p{font-size:11px;color:#8b9c92;margin:0}.board-status{font-size:10px;color:#277461;background:#d2e9da;border-radius:4px;padding:5px 7px;margin-left:auto;white-space:nowrap}.board-line{height:16px;width:1px;margin-left:27px;background:#b5d2c0}.board-foot{padding:13px 20px;background:#f7faf7;border-top:1px solid #e6ece7;color:#698479;font-size:11px}
.solution-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:20px}.solution-card{border:1px solid #e2e9e3;padding:32px 35px 30px;border-radius:7px;min-height:330px;display:flex;flex-direction:column;transition:transform .25s,box-shadow .25s}.solution-card:hover{transform:translateY(-5px);box-shadow:0 15px 35px rgba(18,60,50,.07)}.solution-card-top{display:flex;justify-content:space-between;color:#94aa9c;font-size:11px}.mini-arrow{font-size:17px;color:var(--teal)}.solution-icon{font-family:serif;color:var(--teal);font-size:34px;margin:19px 0 8px}.solution-card h3{font-family:var(--serif);font-size:25px;letter-spacing:-.04em;margin:0 0 12px}.solution-card p{font-size:13px;color:var(--muted);line-height:1.9;margin:0;max-width:480px}.card-divider{height:1px;background:#e8ede7;margin:auto 0 16px;padding-top:15px;border-bottom:1px solid #e8ede7}.card-scope{font-size:12px;color:#4d675d}.card-scope span{color:#90a69b;margin-right:18px}.source-note{font-size:11px;line-height:1.8;color:#85968b;margin:21px 0 0}.source-note a{text-decoration:underline;text-underline-offset:3px}.source-note a:hover{color:var(--teal)}
.task-section{background:var(--deep);color:#fff;position:relative;overflow:hidden}.task-section::before{content:"";position:absolute;width:640px;height:640px;border:1px solid #2a504b;border-radius:50%;left:-380px;bottom:-410px;box-shadow:0 0 0 100px rgba(63,114,100,.07),0 0 0 200px rgba(63,114,100,.04)}.task-grid{display:grid;grid-template-columns:1fr 1fr;gap:12%;position:relative}.section-label.light{color:#9dd9c5}.task-section h2{font-family:var(--serif);font-size:clamp(37px,4vw,62px);letter-spacing:-.06em;line-height:1.4;margin:27px 0 24px}.task-section h2 em{color:#a8e3cf}.task-section p{font-size:14px;color:#a9c4ba;line-height:2;max-width:430px}.task-steps{list-style:none;margin:0;padding:0;border-top:1px solid #355650}.task-steps li{display:grid;grid-template-columns:48px 1fr auto;gap:10px;align-items:center;padding:22px 0;border-bottom:1px solid #355650}.task-steps li>span{color:#8ab9a9;font-size:11px}.task-steps strong{font-size:15px;font-weight:600}.task-steps small{font-size:11px;color:#92aaa3}.task-steps .step-emphasis{background:#235048;margin:0 -18px;padding:22px 18px}.step-emphasis strong{color:#bdebd9}
.method-section{background:var(--paper)}.method-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}.method-card{background:#fff;border:1px solid var(--line);border-radius:7px;padding:28px 27px;min-height:347px;display:flex;flex-direction:column}.method-card-accent{background:#e9f3ec;border-color:#cddfd2}.method-num{font-family:var(--serif);font-size:36px;color:#538d7a;display:flex;justify-content:space-between;align-items:start}.method-num span{font-family:var(--sans);color:#93aa99;font-size:11px;margin-top:9px}.method-card h3{font-family:var(--serif);font-size:26px;letter-spacing:-.04em;margin:38px 0 10px}.method-card p{font-size:13px;color:var(--muted);line-height:1.9;margin:0 0 35px}.method-output{border-top:1px solid #e2e9e2;padding-top:17px;font-size:12px;color:var(--ink);margin-top:auto;line-height:1.6}.method-output span{display:block;font-size:10px;color:#93a79a;margin-bottom:6px}.method-footnote{font-size:11px;color:#86978a;margin-top:22px}
.about-section{background:#fff}.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:11%;align-items:center}.about-graphic{position:relative;aspect-ratio:1/1;max-width:485px;background:radial-gradient(circle,#e6f3e9 0%,#f4f8f3 48%,#fff 72%);display:grid;place-items:center}.orbit{position:absolute;border:1px solid #cfe2d3;border-radius:50%}.orbit-one{inset:16%}.orbit-two{inset:3%}.orbit-center{height:112px;width:112px;border-radius:50%;background:#e1f0e4;display:grid;place-items:center;box-shadow:0 0 0 24px rgba(218,237,222,.5)}.brand-mark.large{transform:scale(2);box-shadow:0 8px 16px rgba(12,65,53,.15)}.orbit-label{position:absolute;background:#fff;border:1px solid #dce9dc;color:#557363;border-radius:3px;padding:9px 14px;font-size:11px;box-shadow:0 8px 20px rgba(20,61,45,.06)}.label-one{top:15%;left:7%}.label-two{right:1%;top:40%}.label-three{bottom:17%;left:9%}.about-copy h2{margin-bottom:24px}.about-copy p{font-size:14px;line-height:2;color:var(--muted);max-width:520px}.about-copy .inline-link{margin-top:18px}
.contact-section{background:#d9eade;position:relative;overflow:hidden}.contact-section::before{content:"";position:absolute;width:650px;height:650px;border:1px solid rgba(46,111,85,.12);border-radius:50%;left:-410px;top:-270px;box-shadow:0 0 0 100px rgba(130,182,148,.07),0 0 0 200px rgba(130,182,148,.05)}.contact-grid{position:relative;display:grid;grid-template-columns:1fr 430px;gap:10%;align-items:center}.contact-copy h2{font-size:clamp(35px,3.8vw,58px);margin-bottom:22px}.contact-copy>p{font-size:14px;line-height:2;max-width:490px;color:#536e61}.contact-phone{display:flex;flex-direction:column;gap:5px;margin-top:44px}.contact-phone>span{font-size:12px;color:#729180}.contact-phone>a{font-family:var(--serif);font-size:32px;letter-spacing:-.02em;font-weight:600;display:inline-flex;gap:16px;align-items:center;width:fit-content;border-bottom:1px solid #779b88;padding-bottom:6px}.contact-phone>a span{font-family:var(--sans);font-size:18px}.contact-phone>a:hover{color:#2b836e}.contact-copy .contact-small{font-size:12px;color:#759080;margin-top:21px}.wechat-card{background:#fff;padding:23px;border:1px solid #bdd5c2;box-shadow:0 25px 70px rgba(24,76,52,.11);border-radius:8px;transform:rotate(1deg)}.wechat-head{display:flex;align-items:center;gap:13px}.wechat-avatar{height:54px;width:54px;background:#e8f4ed;border-radius:8px;overflow:hidden}.wechat-avatar img{width:100%;height:100%;object-fit:cover}.wechat-head>div:nth-child(2){display:flex;flex-direction:column;gap:1px}.wechat-head span{font-size:10px;color:#8ca099}.wechat-head strong{font-size:16px}.wechat-head small{font-size:10px;color:#97a6a1}.wechat-badge{margin-left:auto;align-self:start;color:#80a697!important;letter-spacing:.1em}.wechat-qr{width:100%;height:auto;aspect-ratio:1;object-fit:contain;margin-top:15px;image-rendering:auto}.wechat-bottom{display:flex;justify-content:space-between;gap:10px;align-items:center;border-top:1px solid #edf1ed;padding-top:17px;font-size:11px;color:#73897c}.wechat-bottom a{font-weight:700;color:#2e806c;white-space:nowrap}.wechat-bottom a:hover{text-decoration:underline;text-underline-offset:3px}
.site-footer{background:#f4f6f1;border-top:1px solid #dce6dc}
.footer-main{display:flex;justify-content:space-between;align-items:flex-start;gap:40px;padding:44px 0 34px}
.site-footer .brand-name{font-size:18px}
.site-footer .brand-mark{transform:scale(.84);transform-origin:center}
.footer-brand p{font-size:12px;color:#8a9a8f;line-height:1.9;margin:16px 0 0;max-width:380px}
.footer-nav{display:flex;gap:64px}
.footer-nav-group{display:flex;flex-direction:column;gap:11px}
.footer-nav-group>span{font-size:11px;letter-spacing:.08em;color:#9aab9e}
.footer-nav-group>a{font-size:13px;font-weight:600;color:#4c6457;transition:color .2s}
.footer-nav-group>a:hover{color:var(--teal)}
.footer-registration>a{margin-left:auto;font-size:11px;color:#638273;white-space:nowrap}
.footer-registration>a:hover{color:var(--teal)}
.reveal{opacity:0;transform:translateY(20px);animation:reveal-fallback 0s 1.5s forwards}.reveal.is-visible{opacity:1;transform:translateY(0);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.2,1);animation:none}@keyframes reveal-fallback{to{opacity:1;transform:none}}
@media(max-width:1120px){.hero-grid{gap:4%}.hero h1{font-size:clamp(37px,4.4vw,58px)}.container{width:min(100% - 56px,1280px)}.site-nav{gap:26px}.contact-grid{gap:5%}.task-grid{gap:7%}}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr;gap:55px;padding-top:80px}.hero h1{font-size:clamp(42px,7vw,64px)}.hero-visual{width:min(100%,590px);justify-self:center}.featured-solution{grid-template-columns:1fr}.featured-copy{padding:42px 6%}.featured-copy>.inline-link{margin-top:20px}.scenario-board{margin:0 6% 38px}.task-grid,.about-grid{gap:7%}.contact-grid{grid-template-columns:1fr 360px;gap:5%}.section{padding:90px 0}}
@media(max-width:760px){html{scroll-padding-top:68px}.container{width:min(100% - 40px,1280px)}.site-header{height:68px}.brand-name{font-size:20px}.menu-toggle{display:flex;width:42px;height:42px;border:1px solid #d9e7dd;border-radius:4px;background:transparent;align-items:center;justify-content:center;flex-direction:column;gap:6px;cursor:pointer}.menu-toggle span{height:2px;width:19px;background:var(--ink);transition:transform .2s}.menu-toggle[aria-expanded="true"] span:first-child{transform:translateY(4px) rotate(45deg)}.menu-toggle[aria-expanded="true"] span:last-child{transform:translateY(-4px) rotate(-45deg)}.site-nav{display:none;position:absolute;top:68px;left:0;right:0;background:var(--paper);padding:20px;border-bottom:1px solid var(--line);box-shadow:0 18px 30px rgba(15,45,30,.08);flex-direction:column;align-items:stretch;gap:0}.site-nav.is-open{display:flex}.site-nav>a{padding:14px 8px}.site-nav .nav-contact{margin:10px 0 0;justify-content:space-between;padding:14px 18px}.hero-grid{padding-top:67px;padding-bottom:65px;min-height:0}.hero h1{font-size:clamp(34px,7.6vw,53px);white-space:normal;line-height:1.42}.hero-lead{font-size:15px}.hero-actions{gap:23px}.hero-note{margin-top:34px}.section-heading{display:block;margin-bottom:35px}.section-heading>p{max-width:580px;margin-top:18px}.section-heading h2,.about-copy h2,.contact-copy h2{font-size:clamp(31px,6.5vw,44px)}.solution-grid,.task-grid,.method-grid,.about-grid,.contact-grid{grid-template-columns:1fr}.task-grid{gap:38px}.task-steps li{grid-template-columns:35px 1fr auto}.method-grid{gap:12px}.method-card{min-height:0}.method-card h3{margin-top:26px}.about-graphic{width:min(100%,440px);margin:auto}.about-grid{gap:35px}.contact-grid{gap:42px}.wechat-card{width:min(100%,410px);justify-self:center}.footer-main{flex-direction:column;gap:26px;padding:32px 0 26px}.footer-nav{gap:44px}}
@media(max-width:480px){.container{width:min(100% - 32px,1280px)}.hero-grid{padding-top:55px;gap:47px}.eyebrow{font-size:10px}.hero h1{font-size:clamp(31px,8.4vw,42px);margin:25px 0 21px}.hero-lead{font-size:14px;line-height:1.9}.hero-actions{align-items:stretch;gap:18px}.button{width:100%}.text-link{flex-direction:row;align-items:center;gap:8px}.text-link span{font-size:14px}.hero-visual{padding:17px 16px;transform:none}.visual-card{padding:12px;gap:11px}.visual-card strong{font-size:12px}.agent-card{padding:15px}.agent-card>strong{font-size:14px}.extracted-fields span{font-size:9px}.visual-topline{font-size:9px}.hero-bottom{font-size:10px}.section{padding:76px 0}.featured-copy{padding:33px 25px}.featured-copy h3{font-size:31px;margin:25px 0 14px}.scenario-board{margin:0 15px 20px}.board-content{padding:12px}.board-foot{font-size:10px;line-height:1.5}.solution-card{padding:25px}.task-section h2{font-size:38px}.task-steps li{grid-template-columns:30px 1fr;gap:5px}.task-steps small{grid-column:2}.contact-phone>a{font-size:27px}.wechat-card{padding:17px;transform:none}.wechat-bottom{font-size:10px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.down-arrow{animation:none}.reveal{opacity:1;transform:none;animation:none}.reveal.is-visible{transition:none}.button,.solution-card,.inline-link{transition:none}}

.home-case-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.home-case-card{position:relative;min-height:350px;border:1px solid #dce8dd;border-radius:7px;padding:29px;display:flex;flex-direction:column;align-items:flex-start;background:linear-gradient(145deg,#f7fbf7,#eaf3ec);overflow:hidden;transition:transform .25s,box-shadow .25s}
.home-case-card:nth-child(2){background:linear-gradient(145deg,#f7fbfb,#e8f2f1)}
.home-case-card:nth-child(3){background:linear-gradient(145deg,#f9faf6,#edf2e8)}
.home-case-card::before{content:"";position:absolute;width:230px;height:230px;border:1px solid rgba(64,140,99,.11);border-radius:50%;right:-108px;top:70px;box-shadow:0 0 0 42px rgba(64,140,99,.035),0 0 0 85px rgba(64,140,99,.025)}
.home-case-card:hover{transform:translateY(-5px);box-shadow:0 17px 35px rgba(28,70,45,.08)}
.home-case-index{font-size:11px;letter-spacing:.08em;color:#67947b;font-weight:700}
.home-case-icon{height:64px;width:64px;margin-top:32px;border:1px solid #b7d8c1;border-radius:50%;display:grid;place-items:center;color:#448e71;font-size:30px;font-family:var(--serif)}
.home-case-card h3{font-family:var(--serif);font-size:clamp(22px,2vw,29px);letter-spacing:-.05em;line-height:1.5;margin:22px 0 10px;position:relative}
.home-case-card p{font-size:12px;line-height:1.8;color:#637a6b;margin:0 0 28px;position:relative}
.home-case-more{display:flex;align-items:center;justify-content:space-between;border-top:1px solid #d5e4d6;padding-top:17px;width:100%;margin-top:auto;color:#3e8263;font-size:11px;font-weight:700;position:relative}
.home-case-more b{font-size:18px;font-weight:400}
.home-case-all{text-align:center;margin-top:35px}.home-case-all .inline-link{margin:auto}
@media(max-width:900px){.home-case-grid{gap:10px}.home-case-card{padding:23px;min-height:335px}}
@media(max-width:760px){.home-case-grid{grid-template-columns:1fr}.home-case-card{min-height:260px}.home-case-icon{margin-top:18px;height:48px;width:48px;font-size:24px}.home-case-card h3{margin-top:17px}}

/* Keep Chinese display headings prominent without overpowering the content. */
.hero h1{font-size:clamp(40px,3.8vw,60px);line-height:1.38;letter-spacing:-.05em;font-weight:600}
.section-heading h2,.about-copy h2{font-size:clamp(31px,3vw,46px);font-weight:600}
.task-section h2{font-size:clamp(35px,3.4vw,50px);font-weight:600}
.contact-copy h2{font-size:clamp(34px,3.2vw,48px);font-weight:600}
@media(max-width:1120px){.hero h1{font-size:clamp(37px,4vw,52px)}}
@media(max-width:900px){.hero h1{font-size:clamp(39px,6vw,55px)}}
@media(max-width:760px){.hero h1{font-size:clamp(32px,6.8vw,44px)}.section-heading h2,.about-copy h2,.contact-copy h2{font-size:clamp(30px,6vw,40px)}}
@media(max-width:480px){.hero h1{font-size:clamp(30px,7.5vw,36px)}.task-section h2{font-size:34px}}

/* 工作方式与联系我们两个区块共用浅绿强调色，保持全页「纸白—浅绿」交替节奏 */
.task-section{background:#d9eade;color:var(--ink)}
.task-section::before{border-color:rgba(46,111,85,.14);box-shadow:0 0 0 100px rgba(130,182,148,.07),0 0 0 200px rgba(130,182,148,.05)}
.task-section .section-label.light{color:#287766}
.task-section h2 em{color:#287766}
.task-section p{color:#45665a}
.task-steps{border-top-color:#abcdb8}
.task-steps li{border-bottom-color:#abcdb8}
.task-steps li>span{color:#3b7965}
.task-steps strong{color:var(--ink)}
.task-steps small{color:#55786a}
.task-steps .step-emphasis{background:#c5e0ce}
.task-steps .step-emphasis strong{color:#1b5846}
/* 联系区恢复基础样式的浅绿背景，仅修正小标签在浅色底上的对比度 */
.contact-section .section-label.light{color:#287766}

.company-profile{margin-top:27px;border:1px solid #dce9dd;border-radius:7px;background:#f8fbf7;overflow:hidden;scroll-margin-top:24px}
.company-profile-head{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:14px 18px;background:#edf6ee;border-bottom:1px solid #dce9dd;font-size:12px}
.company-profile-head strong{font-weight:700;color:var(--ink)}
.company-profile-head a{color:#287766;font-weight:700;white-space:nowrap}
.company-profile-head a:hover{text-decoration:underline;text-underline-offset:3px}
.company-profile dl{margin:0;padding:4px 18px}
.company-profile dl>div{display:grid;grid-template-columns:118px minmax(0,1fr);gap:14px;padding:10px 0;border-bottom:1px solid #e4ece4;font-size:12px;line-height:1.7}
.company-profile dl>div:last-child{border-bottom:0}
.company-profile dt{color:#728b7d}
.company-profile dd{margin:0;color:var(--ink);font-weight:600}
.company-profile .registration-code{font-variant-numeric:tabular-nums;overflow-wrap:anywhere}
.about-copy .company-profile+.inline-link{margin-top:23px}
.footer-registration{display:flex;flex-wrap:wrap;gap:6px 24px;padding:15px 0 20px;border-top:1px solid #dce6dc;color:#6e8376;font-size:11px;line-height:1.7}
@media(max-width:760px){.about-copy{order:1}.about-graphic{order:2;width:min(100%,300px)}}
@media(max-width:480px){.company-profile dl>div{grid-template-columns:1fr;gap:2px}.footer-registration{padding:14px 0 22px}}

/* UX 优化：当前区块导航高亮、首屏引导可点击、返回顶部按钮 */
.site-nav>a.is-active{color:var(--teal)}
a.hero-bottom{transition:color .2s}
a.hero-bottom:hover{color:var(--teal)}
.back-to-top{position:fixed;right:26px;bottom:26px;width:46px;height:46px;border-radius:50%;border:1px solid rgba(255,255,255,.14);background:var(--deep);color:#fff;font-size:18px;line-height:1;cursor:pointer;display:grid;place-items:center;box-shadow:0 14px 30px rgba(16,45,45,.2);opacity:0;visibility:hidden;transform:translateY(12px);transition:opacity .3s,transform .3s,visibility .3s,background .2s;z-index:40}
.back-to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.back-to-top:hover{background:#245752}
@media(max-width:760px){html{scroll-padding-top:80px}.back-to-top{right:16px;bottom:16px;width:42px;height:42px}}
@media(prefers-reduced-motion:reduce){.back-to-top,.site-header{transition:none}.back-to-top{transform:none}}

/* 平台演示：沿用官网的纸白与深绿，将真实操作画面作为视觉中心。 */
.home-demos{background:#fff}
.home-demo-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.home-demo-card{display:grid;grid-template-columns:44% 1fr;min-height:235px;border:1px solid #dce6dd;border-radius:7px;overflow:hidden;background:#f8faf7;transition:transform .25s,box-shadow .25s}
.home-demo-card:hover{transform:translateY(-4px);box-shadow:0 17px 35px rgba(28,70,45,.09)}
.home-demo-image{position:relative;display:block;background:#102321;overflow:hidden}
.home-demo-image img{width:100%;height:100%;object-fit:cover;object-position:center;filter:brightness(.76);transition:transform .35s,filter .35s}
.home-demo-card:hover img{transform:scale(1.04);filter:brightness(.9)}
.home-demo-play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);display:grid;place-items:center;width:48px;height:48px;padding-left:3px;border:1px solid rgba(255,255,255,.7);border-radius:50%;background:rgba(247,248,244,.89);color:var(--deep);font-size:14px;box-shadow:0 7px 25px rgba(0,0,0,.15)}
.home-demo-content{display:flex;flex-direction:column;align-items:start;padding:25px 25px 22px;min-width:0}
.home-demo-kicker{font-size:10px;color:#3b8a70;font-weight:700;letter-spacing:.03em}
.home-demo-content strong{font-family:var(--serif);font-size:clamp(18px,1.6vw,24px);font-weight:600;line-height:1.5;letter-spacing:-.04em;margin:24px 0 10px}
.home-demo-content>span:last-child{font-size:11px;line-height:1.8;color:#71877a;margin-top:auto}
.home-demo-foot{display:flex;align-items:center;justify-content:space-between;gap:25px;margin-top:25px}
.home-demo-foot p{font-size:11px;line-height:1.8;color:#839589;margin:0}
@media(max-width:1050px){.home-demo-card{grid-template-columns:40% 1fr}.home-demo-content{padding:19px}.home-demo-content strong{margin-top:18px}}
@media(max-width:760px){.home-demo-grid{grid-template-columns:1fr}.home-demo-card{min-height:210px;grid-template-columns:42% 1fr}.home-demo-foot{align-items:start;flex-direction:column}}
@media(max-width:480px){.home-demo-card{grid-template-columns:1fr}.home-demo-image{aspect-ratio:16/8}.home-demo-content{padding:20px}.home-demo-content strong{margin:13px 0 8px}.home-demo-foot .inline-link{margin-top:3px}}
@media(prefers-reduced-motion:reduce){.home-demo-card,.home-demo-image img{transition:none}}