:root{color-scheme:light;--ink:#1d1d1f;--muted:#66666b;--soft:#f5f5f7;--blue:#0066cc;--line:#dedee2;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:#fff;font-size:16px;line-height:1.65}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}button{cursor:pointer}.skip{position:absolute;left:10px;top:-100px;background:#fff;z-index:100;padding:12px}.skip:focus{top:10px}.wrap{width:min(1160px,calc(100% - 48px));margin-inline:auto}.nav{min-height:64px;padding-inline:max(24px,calc((100% - 1160px)/2));border-bottom:1px solid var(--line);display:flex;align-items:center;gap:30px;background:rgba(255,255,255,.94);position:sticky;top:0;z-index:10;backdrop-filter:blur(16px)}.brand{display:inline-flex;align-items:center;gap:10px;white-space:nowrap;font-size:15px;font-weight:650}.mark{display:grid;place-items:center;width:30px;height:30px;border-radius:8px;background:var(--ink);color:white;font-size:16px;font-weight:650}.nav nav{display:flex;gap:30px;margin:auto;color:#55555a;font-size:14px}.nav a:hover,.blue-link:hover{color:var(--blue)}.nav-end{display:flex;gap:20px;align-items:center;white-space:nowrap;font-size:14px}.pill{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 24px;border:0;border-radius:999px;background:var(--blue);color:white!important;font-size:15px;font-weight:600;text-align:center}.pill:hover{background:#0056b3}.pill.small{min-height:34px;padding:0 16px;font-size:13px}.pill.disabled{background:#c7c7cc;color:#45454a!important;cursor:not-allowed;pointer-events:none}.blue-link{color:var(--blue);font-weight:500;white-space:nowrap}.blue-link span{font-size:22px;vertical-align:-1px}.eyebrow{margin:0 0 16px;color:var(--blue);font-size:15px;font-weight:600;letter-spacing:.02em}.hero{text-align:center;padding-top:105px;padding-bottom:110px}.hero h1{margin:0;font-size:clamp(48px,7.3vw,92px);line-height:1.18;font-weight:650;letter-spacing:-.06em}.lead{max-width:720px;margin:21px auto 0;color:var(--muted);font-size:clamp(18px,2vw,23px);line-height:1.7}.actions{display:flex;justify-content:center;align-items:center;gap:22px;margin-top:32px}.meta{color:#77777d;font-size:14px}.hero>.meta{margin-top:18px}.hero-visual{margin:65px 0 0;padding:12px;border-radius:24px;background:var(--soft);box-shadow:0 32px 76px rgba(0,0,0,.11)}.hero-visual img{display:block;width:100%;height:auto;border-radius:15px}.hero-visual figcaption{padding:10px 6px 0;text-align:right;color:var(--muted);font-size:13px}.band,.download-band{background:var(--soft)}.band{padding:105px 0}.section-intro{text-align:center;max-width:780px;margin:0 auto 48px}.section-intro h2,.download-layout h2,.account-band h2{margin:0;font-size:clamp(36px,4.8vw,58px);font-weight:650;line-height:1.18;letter-spacing:-.045em}.section-intro>p:last-child{color:var(--muted);margin:16px auto 0;font-size:17px}.module-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.module{overflow:hidden;min-width:0;border-radius:24px;background:white;display:flex;flex-direction:column}.module.wide{grid-column:1/-1}.module-text{padding:38px 40px 30px}.module h3{max-width:700px;margin:0;font-size:clamp(28px,3vw,42px);font-weight:600;line-height:1.28;letter-spacing:-.04em}.module-text>p:last-child{max-width:660px;margin:15px 0 0;color:var(--muted);font-size:16px}.module figure{position:relative;overflow:hidden;margin:auto 16px 16px;border-radius:16px;background:#e5e5e8}.module figure img{display:block;width:100%;height:auto}.module:not(.wide) figure img{aspect-ratio:16/9;object-fit:cover}.module figure figcaption,.figure-label{position:absolute;bottom:12px;left:12px;margin:0;padding:4px 10px;color:white;background:rgba(0,0,0,.75);border-radius:99px;font-size:12px}.table-module{background:#141416;color:white;justify-content:space-between;position:relative}.table-module .eyebrow{color:#76b8ff}.table-module .module-text>p:last-child{color:#b9b9c0}.sample-table{margin:0 24px 50px;display:grid;grid-template-columns:1.4fr .7fr 1fr;border-top:1px solid #48484d;border-left:1px solid #48484d}.sample-table div{padding:10px 12px;border-right:1px solid #48484d;border-bottom:1px solid #48484d;font-size:14px}.sample-table div:nth-child(-n+3){background:#29292e;font-weight:600}.table-module .figure-label{bottom:11px;left:20px;color:#babac0;background:none}.more{padding-block:110px}.more-grid{display:grid;grid-template-columns:repeat(4,1fr);border-block:1px solid var(--line)}.more-grid article{padding:30px 24px;border-right:1px solid var(--line)}.more-grid article:last-child{border:0}.more-grid span{font-size:13px;color:var(--blue)}.more-grid h3{margin:36px 0 8px;font-size:22px;line-height:1.3}.more-grid p{margin:0;color:var(--muted);font-size:15px}.download-band{padding:100px 0}.download-layout{display:grid;grid-template-columns:1fr 430px;align-items:center;gap:70px}.download-layout>div>p:not(.eyebrow):not(.meta){max-width:570px;color:var(--muted);font-size:18px}.download-card{padding:34px;border-radius:22px;background:white;box-shadow:0 12px 45px rgba(0,0,0,.05)}.download-icon{width:58px;height:58px;display:grid;place-items:center;border-radius:16px;background:#e7f1ff;color:var(--blue);font-size:31px}.download-card h3{margin:22px 0 6px;font-size:21px}.download-card p{color:var(--muted);margin:0 0 24px}.download-card .checksum{margin:16px 0 0;overflow-wrap:anywhere;font-size:12px}.account-band{min-height:360px;display:flex;align-items:center;justify-content:space-between;gap:35px;padding-block:80px}.account-band p:last-child{max-width:590px;color:var(--muted);font-size:17px}.footer{min-height:130px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:20px;color:var(--muted);font-size:13px}.footer .brand{color:var(--ink)}
/* Account and admin surfaces */
.page-shell{min-height:calc(100vh - 64px);background:var(--soft);padding:72px 24px}.form-card,.dashboard{width:min(100%,540px);margin:auto;padding:38px;background:#fff;border-radius:22px;box-shadow:0 15px 55px rgba(0,0,0,.05)}.form-card h1,.dashboard h1{margin:0 0 8px;font-size:34px;line-height:1.2;letter-spacing:-.04em}.form-card>p,.dashboard>p{color:var(--muted);margin:0 0 24px}.tabs{display:flex;gap:20px;margin:12px 0 27px;border-bottom:1px solid var(--line)}.tabs button{padding:10px 2px;border:0;background:none;color:var(--muted)}.tabs button.active{color:var(--blue);border-bottom:2px solid var(--blue)}.field{display:block;margin:16px 0;font-size:14px;font-weight:550}.field input,.field textarea{display:block;width:100%;min-height:47px;margin-top:7px;padding:10px 12px;border:1px solid #b9b9be;border-radius:9px;background:#fff;color:var(--ink)}.field textarea{min-height:90px;resize:vertical}.field input:focus,.field textarea:focus{outline:2px solid #77b6fa;outline-offset:1px}.form-card .pill,.dashboard .pill{width:100%}.feedback{min-height:26px;color:#a13221;margin:14px 0}.feedback.success{color:#197645}.hidden{display:none!important}.dashboard{width:min(100%,860px)}.dashboard-header{display:flex;justify-content:space-between;align-items:start;gap:16px}.dashboard-header button{border:0;background:none;color:var(--blue)}.info-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:22px}.info-list article{padding:20px;background:var(--soft);border-radius:12px}.info-list small{display:block;color:var(--muted)}.info-list strong{display:block;margin-top:5px;overflow-wrap:anywhere;font-size:16px}.admin-layout{width:min(1150px,100%);margin:auto;display:grid;grid-template-columns:210px 1fr;gap:20px}.admin-side{background:#fff;border-radius:18px;padding:20px}.admin-side h2{font-size:17px;margin:0 0 20px}.admin-side button{display:block;width:100%;padding:12px;text-align:left;background:none;border:0;border-radius:8px;color:var(--muted)}.admin-side button.active{background:#e8f2ff;color:var(--blue)}.admin-layout .dashboard{margin:0;width:100%;min-height:600px}.data-table{width:100%;border-collapse:collapse;margin:22px 0;font-size:14px}.data-table th,.data-table td{padding:11px 9px;text-align:left;border-bottom:1px solid var(--line);overflow-wrap:anywhere}.data-table th{color:var(--muted);font-weight:500}.data-table button{border:0;background:none;color:var(--blue)}.admin-form{max-width:560px}.admin-form .pill{width:auto}.hint{color:var(--muted);font-size:14px}.admin-layout .feedback{margin-bottom:0}
.profile-form{max-width:520px;margin-top:28px;padding-top:26px;border-top:1px solid var(--line)}.profile-form h2{margin:0;font-size:22px;line-height:1.3}.profile-form .hint{margin:6px 0 16px}.profile-form .feedback{margin-bottom:0}
.data-table td button+button{margin-left:10px}
@media(max-width:900px){.download-layout{grid-template-columns:1fr;gap:30px}.module-grid{gap:14px}.more-grid{grid-template-columns:repeat(2,1fr)}.more-grid article:nth-child(2){border:0}.admin-layout{grid-template-columns:1fr}.admin-side{display:flex;align-items:center;gap:8px;overflow-x:auto}.admin-side h2{display:none}.admin-side button{width:auto;white-space:nowrap}}
@media(max-width:660px){.wrap{width:min(100% - 32px,1160px)}.nav{padding:0 16px;gap:10px}.nav nav{display:none}.nav-end{margin-left:auto;gap:12px}.brand{font-size:14px}.hero{padding-top:75px;padding-bottom:70px}.hero h1{font-size:clamp(42px,10vw,58px)}.lead{font-size:18px}.actions{flex-direction:column;gap:13px}.hero-visual{margin-top:42px;padding:6px;border-radius:16px}.hero-visual img{border-radius:10px}.band,.download-band{padding:75px 0}.module-grid{grid-template-columns:1fr}.module.wide{grid-column:auto}.module-text{padding:29px 26px 25px}.module h3{font-size:29px}.module figure{margin-inline:10px;margin-bottom:10px}.section-intro{margin-bottom:32px}.more{padding-block:80px}.more-grid article{padding:24px 16px}.more-grid h3{margin-top:18px;font-size:19px}.download-card{padding:26px}.account-band{display:block;min-height:auto}.footer{display:grid;justify-content:start;padding-block:26px}.page-shell{padding:38px 16px}.form-card,.dashboard{padding:26px 20px}.info-list{grid-template-columns:1fr}.admin-layout .dashboard{min-width:0}.data-table{display:block;overflow-x:auto;white-space:nowrap}}
@media(max-width:380px){.nav-end .text-action{display:none}.hero h1{font-size:41px}.more-grid{grid-template-columns:1fr}.more-grid article{border:0;border-bottom:1px solid var(--line)}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}