:root{--ink:#142019;--paper:#f2f0e9;--paper-deep:#e8e5db;--green:#365f48;--lime:#d9ee85;--line:rgba(20,32,25,.16);--white:#fff;--shadow:0 24px 70px rgba(20,32,25,.12)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;-webkit-font-smoothing:antialiased}button,input{font:inherit}button,a{color:inherit}a{text-decoration:none}button{cursor:pointer}
.site-header{position:fixed;z-index:20;top:0;left:0;right:0;height:82px;padding:0 clamp(24px,5vw,76px);display:flex;align-items:center;justify-content:space-between;background:rgba(242,240,233,.9);border-bottom:1px solid rgba(20,32,25,.1);backdrop-filter:blur(18px)}
.brand{display:flex;align-items:center;gap:11px}.brand-mark{width:38px;height:38px;display:grid;place-items:center;background:var(--ink);color:var(--paper);font-family:serif;font-size:21px}.brand>span:last-child{display:grid;gap:1px}.brand strong{font-family:serif;font-size:20px;letter-spacing:.15em}.brand small{font-size:7px;letter-spacing:.22em;color:#68736c}.desktop-nav{display:flex;gap:40px;font-size:13px}.desktop-nav a{position:relative;padding:10px 0}.desktop-nav a:after{content:"";position:absolute;left:0;right:100%;bottom:4px;height:1px;background:var(--ink);transition:.25s}.desktop-nav a:hover:after{right:0}
.member-entry{border:1px solid var(--ink);background:transparent;padding:10px 16px;display:flex;align-items:center;gap:9px;font-size:12px}.member-entry:hover{background:var(--ink);color:white}.status-dot{width:7px;height:7px;border-radius:50%;background:#90a096}.member-entry.authenticated .status-dot{background:var(--lime);box-shadow:0 0 0 4px rgba(217,238,133,.18)}
.hero{position:relative;min-height:850px;padding:170px clamp(24px,7vw,110px) 48px;overflow:hidden;background:#dfe4dc;display:grid;grid-template-columns:minmax(360px,.84fr) minmax(460px,1.16fr);align-items:center;gap:3vw}.hero-grid{position:absolute;inset:0;opacity:.24;background-image:linear-gradient(rgba(20,32,25,.13) 1px,transparent 1px),linear-gradient(90deg,rgba(20,32,25,.13) 1px,transparent 1px);background-size:72px 72px;mask-image:linear-gradient(to right,#000,transparent 75%)}.hero:after{content:"";position:absolute;width:560px;height:560px;border-radius:50%;right:-140px;top:100px;background:rgba(217,238,133,.42);filter:blur(2px)}
.hero-copy{position:relative;z-index:2;max-width:680px}.eyebrow,.section-index{font-size:11px;letter-spacing:.2em;font-weight:700}.hero h1{font-family:"Songti SC","STSong",serif;font-size:clamp(64px,7.2vw,116px);line-height:.98;letter-spacing:-.06em;margin:28px 0 32px;font-weight:500}.hero h1 em{font-style:normal;color:var(--green)}.hero-lead{font-size:16px;line-height:2;max-width:590px;color:#4d5b52}.hero-actions{display:flex;align-items:center;gap:28px;margin-top:42px}.primary-action{display:flex;justify-content:space-between;align-items:center;gap:40px;background:var(--ink);color:white;padding:17px 20px;min-width:216px;font-size:13px}.primary-action span{font-size:20px}.text-action{border:0;border-bottom:1px solid var(--ink);background:none;padding:9px 0;font-size:13px}
.system-orbit{position:relative;z-index:2;aspect-ratio:1;max-width:650px;width:100%;margin:auto;border:1px solid rgba(20,32,25,.19);border-radius:50%}.system-orbit:before,.system-orbit:after{content:"";position:absolute;inset:15%;border:1px dashed rgba(20,32,25,.17);border-radius:50%}.system-orbit:after{inset:31%;border-style:solid}.orbit-center{position:absolute;z-index:2;inset:36%;border-radius:50%;display:grid;place-content:center;text-align:center;background:var(--ink);color:white}.orbit-center span,.orbit-center small{font-size:9px;letter-spacing:.2em}.orbit-center strong{font-family:serif;font-size:76px;line-height:.9;color:var(--lime);font-weight:400;margin:8px}.orbit-card{position:absolute;width:126px;height:126px;padding:18px;display:grid;align-content:space-between;background:rgba(242,240,233,.9);border:1px solid rgba(20,32,25,.2);box-shadow:0 10px 40px rgba(20,32,25,.06)}.orbit-card span,.orbit-card small{font-size:9px;letter-spacing:.15em}.orbit-card strong{font-family:serif;font-size:31px;font-weight:500}.orbit-smart{top:3%;left:42%}.orbit-soft{top:42%;right:-3%}.orbit-custom{bottom:2%;left:39%}.orbit-window{top:42%;left:-3%}.hero-foot{position:absolute;z-index:2;bottom:28px;left:clamp(24px,7vw,110px);right:clamp(24px,7vw,110px);display:flex;gap:28px;border-top:1px solid rgba(20,32,25,.2);padding-top:20px;font-size:10px;letter-spacing:.16em}.hero-foot span:last-child{margin-left:auto}
.statement{padding:140px clamp(24px,7vw,110px);display:grid;grid-template-columns:.34fr 1fr;gap:40px;background:var(--ink);color:white}.section-index{margin:8px 0;color:#829087}.statement>div{display:grid;grid-template-columns:1.1fr .8fr;gap:8vw;align-items:end}.statement h2,.section-heading h2,.portal-copy h2{font-family:"Songti SC","STSong",serif;font-size:clamp(43px,5.4vw,80px);line-height:1.2;letter-spacing:-.04em;margin:0;font-weight:500}.statement p:last-child{font-size:16px;line-height:2;color:#b9c2bc;margin:0}
.systems{padding:130px clamp(24px,7vw,110px);background:var(--paper)}.section-heading{display:grid;grid-template-columns:.34fr 1fr;gap:40px;margin-bottom:82px}.system-panel{min-height:510px;border-top:1px solid var(--line);display:grid;grid-template-columns:100px minmax(280px,.7fr) 1.3fr;gap:36px;align-items:center;padding:54px 0}.panel-number{align-self:start;font-family:serif;font-size:23px}.panel-copy p{font-size:10px;letter-spacing:.18em;color:#69756e}.panel-copy h3{font-family:serif;font-size:48px;font-weight:500;margin:18px 0 32px}.panel-copy span{display:block;max-width:410px;line-height:2;color:#5b675f;font-size:15px}.panel-visual{position:relative;height:390px;overflow:hidden;background:#dfe4dc}.panel-smart .panel-visual{background:#c7d5c9}.panel-soft .panel-visual{background:#e6e0d4}.panel-custom .panel-visual{background:#d8d0c2}.panel-window .panel-visual{background:#bbc9c5}
.control-screen{position:absolute;width:260px;height:330px;border-radius:25px;left:50%;top:50%;transform:translate(-50%,-50%) rotate(-8deg);padding:35px;background:linear-gradient(150deg,#344f40,#111c16);box-shadow:30px 42px 60px rgba(20,32,25,.3);color:white}.control-screen:before{content:"";position:absolute;inset:7px;border:1px solid rgba(255,255,255,.15);border-radius:19px}.control-screen i{display:block;width:45px;height:45px;margin-bottom:60px;border-radius:50%;background:radial-gradient(circle at 35% 35%,#efffb2,#80a24f 65%,#4b662f)}.control-screen strong,.control-screen span{position:relative;display:block}.control-screen strong{font-size:19px}.control-screen span{font-size:11px;color:#aabcb0;margin:9px 0 28px}.control-screen b{display:inline-block;width:47px;height:47px;margin-right:5px;border-radius:12px;background:rgba(255,255,255,.08)}
.sofa{position:absolute;left:12%;right:10%;bottom:16%;height:142px;background:#8e826f;border-radius:30px 30px 12px 12px;box-shadow:0 30px 28px rgba(67,54,39,.16)}.sofa:before,.sofa:after{content:"";position:absolute;top:14px;width:45%;height:94px;background:#9c907d;border-radius:24px}.sofa:before{left:3%}.sofa:after{right:3%}.sofa i{position:absolute;bottom:-22px;width:8px;height:40px;background:#493d31}.sofa i:nth-child(1){left:10%}.sofa i:nth-child(2){right:10%}.lamp{position:absolute;right:9%;top:14%;width:72px;height:42px;border-radius:50% 50% 18% 18%;background:var(--lime)}.lamp:before{content:"";position:absolute;left:34px;top:38px;width:3px;height:170px;background:#4e574f}.lamp:after{content:"";position:absolute;left:14px;top:202px;width:44px;height:7px;background:#4e574f;border-radius:50%}
.cabinet{position:absolute;inset:11% 14%;display:grid;grid-template-columns:1fr 1fr 1.15fr;grid-template-rows:1fr 1fr;gap:5px;transform:perspective(900px) rotateY(-8deg)}.cabinet i{background:#97866e;border:1px solid rgba(255,255,255,.24);box-shadow:inset -12px 0 30px rgba(56,43,29,.12)}.cabinet i:nth-child(3){grid-row:span 2;background:#736957}.cabinet i:after{content:"";display:block;width:3px;height:44px;margin:50px 15px 0 auto;background:#2c322e;border-radius:3px}.window-frame{position:absolute;inset:11%;display:grid;grid-template-columns:1.1fr .75fr;grid-template-rows:1fr 1fr;border:12px solid #2d4941;background:linear-gradient(145deg,#bfd1d4,#f2eee0)}.window-frame:before{content:"";position:absolute;inset:0;background:linear-gradient(125deg,transparent 36%,rgba(255,255,255,.72) 38%,transparent 42%)}.window-frame i{border:5px solid #2d4941}.window-frame i:nth-child(1){grid-row:span 2}.window-frame i:nth-child(2):after{content:"";position:absolute;width:60px;height:2px;background:#2d4941;right:6%;top:25%;transform:rotate(48deg)}
.method{padding:130px clamp(24px,7vw,110px);background:#dfe4dc}.method-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}.method-list li{display:grid;grid-template-columns:100px .8fr 1fr;align-items:center;min-height:150px;border-bottom:1px solid var(--line);transition:.25s}.method-list li:hover{padding-left:18px;background:rgba(255,255,255,.22)}.method-list li>span{font-family:serif;font-size:18px}.method-list div{grid-column:2/4;display:grid;grid-template-columns:.75fr 1fr;align-items:center}.method-list strong{font-family:serif;font-size:30px;font-weight:500}.method-list p{color:#5b675f;line-height:1.8}
.internal-portal{padding:130px clamp(24px,7vw,110px);display:grid;grid-template-columns:.8fr 1.2fr;gap:9vw;align-items:center;background:#798d7f;color:white}.portal-copy .section-index{color:#d1d9d3}.portal-copy h2{margin:22px 0 28px}.portal-copy>p:last-child{line-height:1.9;color:#dde4df;max-width:430px}.portal-card{background:var(--paper);color:var(--ink);padding:40px;min-height:260px;box-shadow:var(--shadow)}.public-portal{display:grid;grid-template-columns:70px 1fr;gap:24px;align-items:center}.public-portal[hidden],.private-portal[hidden]{display:none}.lock-symbol{position:relative;width:54px;height:50px;border:2px solid var(--ink);border-radius:3px}.lock-symbol:before{content:"";position:absolute;width:28px;height:25px;border:2px solid var(--ink);border-bottom:0;border-radius:20px 20px 0 0;left:11px;top:-24px}.portal-card small{font-size:10px;letter-spacing:.14em;color:#6c786f}.portal-card strong{display:block;font-family:serif;font-size:27px;margin:7px 0}.portal-card p{font-size:13px;color:#67736b}.public-portal button,.release-card a{grid-column:2;border:0;background:var(--ink);color:white;padding:14px 18px;width:max-content}.account-line{display:grid;grid-template-columns:48px 1fr auto;gap:14px;align-items:center;padding-bottom:24px;border-bottom:1px solid var(--line)}.account-line>span{width:48px;height:48px;display:grid;place-items:center;border-radius:50%;background:var(--green);color:white}.account-line strong{font-size:20px;margin:3px 0}.account-line p{margin:0}.account-line button{border:0;background:transparent;font-size:12px;text-decoration:underline}.release-card{display:grid;grid-template-columns:56px 1fr auto;gap:16px;align-items:center;padding-top:25px}.release-icon{width:56px;height:56px;display:grid;place-items:center;background:#1465b8;color:white;font-size:25px;font-weight:700}.release-card strong{font-family:inherit;font-size:18px}.release-card p{margin:0}.release-card a{grid-column:auto;font-size:13px}.release-note{margin:20px 0 0!important;padding-top:16px;border-top:1px solid var(--line)}
footer{padding:56px clamp(24px,7vw,110px);display:grid;grid-template-columns:1fr auto;align-items:end;gap:20px;background:var(--ink);color:white}.footer-brand{grid-row:span 2}.footer-brand .brand-mark{background:var(--lime);color:var(--ink)}footer>p{margin:0;font-size:13px;letter-spacing:.12em}footer>small{color:#829087}.footer-legal{display:flex;align-items:center;justify-content:flex-end;gap:14px}.footer-legal a{color:#aab6ae;text-decoration:none}.footer-legal a:hover,.footer-legal a:focus-visible{color:white;text-decoration:underline;text-underline-offset:4px}
.login-dialog{width:min(520px,calc(100% - 32px));padding:0;border:0;background:transparent}.login-dialog::backdrop{background:rgba(12,20,15,.72);backdrop-filter:blur(6px)}.login-dialog form{position:relative;display:grid;gap:20px;padding:42px;background:var(--paper);box-shadow:var(--shadow)}.login-dialog h2{font-family:serif;font-size:38px;margin:0}.login-dialog form>p:not(.eyebrow):not(.form-message){line-height:1.75;color:#657169;margin:0}.login-dialog label{display:grid;gap:8px;font-size:12px}.login-dialog input{width:100%;border:1px solid #aab2ac;background:white;padding:14px 15px;outline:none}.login-dialog input:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(54,95,72,.12)}.dialog-close{position:absolute;right:18px;top:14px;border:0;background:transparent;font-size:29px;font-weight:200}.login-submit{border:0;background:var(--ink);color:white;padding:16px}.form-message{min-height:20px;margin:0;color:#a43d32;font-size:12px}.security-note{text-align:center;color:#7c867f}
@media(max-width:960px){.desktop-nav{display:none}.hero{min-height:auto;grid-template-columns:1fr;padding-top:140px}.hero-copy{max-width:760px}.system-orbit{max-width:570px;margin-top:60px}.statement,.section-heading{grid-template-columns:1fr}.statement>div{grid-template-columns:1fr;gap:35px}.system-panel{grid-template-columns:60px 1fr}.panel-visual{grid-column:1/3}.internal-portal{grid-template-columns:1fr}.portal-copy{max-width:680px}}
@media(max-width:640px){.site-header{height:68px;padding:0 18px}.brand-mark{width:34px;height:34px}.brand strong{font-size:18px}.member-entry{padding:9px 11px}.hero{padding:124px 20px 34px}.hero h1{font-size:58px}.hero-actions{align-items:flex-start;flex-direction:column;gap:13px}.system-orbit{margin:70px auto 50px}.orbit-card{width:86px;height:86px;padding:10px}.orbit-card strong{font-size:22px}.orbit-center strong{font-size:48px}.orbit-center span,.orbit-center small{font-size:7px}.hero-foot{position:relative;left:auto;right:auto;bottom:auto;margin-top:28px;grid-column:1;flex-wrap:wrap}.hero-foot span:last-child{margin-left:0}.statement,.systems,.method,.internal-portal{padding:90px 20px}.statement h2,.section-heading h2,.portal-copy h2{font-size:44px}.system-panel{grid-template-columns:38px 1fr;gap:12px;padding:40px 0}.panel-copy h3{font-size:38px}.panel-visual{height:300px}.method-list li{grid-template-columns:48px 1fr;padding:24px 0}.method-list div{grid-column:2;display:block}.method-list p{margin-bottom:0}.portal-card{padding:28px 22px}.public-portal{grid-template-columns:52px 1fr}.public-portal button{grid-column:1/3}.release-card{grid-template-columns:48px 1fr}.release-icon{width:48px;height:48px}.release-card a{grid-column:1/3;width:100%;text-align:center}.account-line{grid-template-columns:44px 1fr}.account-line button{grid-column:2;text-align:left}.login-dialog form{padding:34px 24px}footer{grid-template-columns:1fr}footer .footer-brand{grid-row:auto;margin-bottom:30px}.footer-legal{align-items:flex-start;flex-direction:column;gap:7px}}
.resource-list{display:grid}.release-card{gap:10px 16px;padding:25px 0}.release-card+.release-card{border-top:1px solid var(--line)}.release-icon{background:var(--green);font-size:23px}.windows-icon{background:#1465b8}.macos-icon{background:#2c2f32}.web-icon{background:var(--green)}.release-note{grid-column:2/4;margin:0!important;padding-top:0;border-top:0;color:#758078!important}
@media(max-width:640px){.release-note{grid-column:1/3}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}