/* roulang page: index */
:root{--ink:#25213b;--muted:#767287;--primary:#7253d8;--secondary:#d6fb84;--paper:#f7f6fa;--white:#fff;--line:#e7e3ef;--dark:#292344;--radius:24px;--shadow:0 16px 48px rgba(45,30,87,.07);--space:76px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8;-webkit-font-smoothing:antialiased}h1,h2,h3,h4,p{margin:0}h1,h2,h3,h4{font-family:inherit;color:inherit;font-weight:750;line-height:1.3}a{color:inherit;text-decoration:none;transition:color .2s,background .2s,transform .2s}a:hover{color:var(--primary)}button,input,select{font:inherit}button,a,input,select,summary{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #ae91fa;outline-offset:5px}img{display:block;max-width:100%;height:auto}::selection{background:#dfd2ff}.container{width:min(1180px,calc(100% - 64px));margin:auto}.site-header{position:sticky;top:0;z-index:30;background:rgba(247,246,250,.95);border-bottom:1px solid var(--line);backdrop-filter:blur(18px)}.nav-row{min-height:86px;display:flex;align-items:center;justify-content:space-between;gap:32px}.brand{display:flex;gap:12px;align-items:center;font-weight:800;white-space:nowrap}.logo{width:43px;height:43px;background:var(--dark);color:var(--secondary);display:grid;place-items:center;border-radius:13px;font-size:26px;letter-spacing:-3px;padding-right:3px}.brand-name{font-size:17px}.navigation{display:flex;align-items:center;gap:28px}.nav-link{font-size:14px;position:relative;padding:28px 0;font-weight:600}.nav-link.active:after{content:"";position:absolute;bottom:19px;left:0;right:0;height:3px;background:var(--primary);border-radius:8px}.stage-nav{display:flex;gap:6px;border-left:1px solid var(--line);padding-left:24px}.chip{font-size:11px;padding:5px 10px;border-radius:20px;background:#eeebf5;color:var(--muted);white-space:nowrap}.chip.current{background:#e5dbff;color:#6041bd}.menu-toggle{display:none;background:white;border:1px solid var(--line);border-radius:10px;padding:8px 12px;color:var(--ink)}main{overflow:hidden}section{padding:var(--space) 0;border-bottom:1px solid var(--line)}.eyebrow{display:flex;align-items:center;gap:10px;font-size:12px;font-weight:700;color:var(--primary);letter-spacing:2px;margin-bottom:19px}.eyebrow:before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor}.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:40px;margin-bottom:32px}.section-head h2{font-size:32px;letter-spacing:-1px}.section-head p{max-width:560px;font-size:14px;color:var(--muted)}.section-intro{max-width:740px;color:var(--muted);font-size:15px;margin-top:19px}.hero{padding:30px 0 0;border:0}.hero-shell{position:relative;overflow:hidden;border-radius:32px;background:radial-gradient(ellipse at 90% 20%,#bba5f1 0,transparent 45%),linear-gradient(115deg,#e8e0fb,#eee8fa 50%,#ddd2f2);padding:64px 56px 0;isolation:isolate}.hero-shell:after{content:"c7";position:absolute;right:18px;top:5px;font-size:330px;font-weight:900;line-height:1;letter-spacing:-35px;color:rgba(255,255,255,.3);z-index:-1;transform:rotate(-8deg)}.hero-top{display:flex;justify-content:space-between;gap:20px;align-items:center}.hero-note{font-size:12px;color:#685987}.hero h1{font-size:clamp(36px,5.3vw,65px);letter-spacing:-2.8px;max-width:850px;margin:22px 0}.hero h1 span{display:block;color:#7253bb}.hero-copy{max-width:765px;font-size:15px;line-height:2;color:#625674}.hero-actions{display:flex;align-items:center;gap:20px;margin:29px 0 40px}.button{margin:0;border:1px solid transparent;border-radius:12px;background:var(--dark);color:white;font-size:14px;font-weight:650;padding:15px 23px;line-height:1.3;display:inline-flex;justify-content:center;align-items:center;gap:20px;transition:all .2s}.button:hover,.button:focus{background:#4c3e76;color:white;box-shadow:0 6px 18px #29234420;transform:translateY(-2px)}.button:active{transform:translateY(1px)}.button.light{background:white;border-color:var(--line);color:var(--ink)}.text-link{font-size:13px;font-weight:700}.version-strip{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid #b7a9cf;padding:24px 0 26px;gap:25px}.version-item{display:flex;align-items:flex-start;gap:13px}.node{width:27px;height:27px;display:grid;place-items:center;flex-shrink:0;border:1px solid #aa98c6;border-radius:50%;font-size:11px}.version-item:first-child .node{background:var(--dark);color:var(--secondary);border-color:var(--dark)}.version-item strong{display:block;font-size:14px}.version-item small{font-size:11px;color:#766786}.dashboard{padding:35px 0 60px}.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.metric{padding:24px;border:1px solid var(--line);border-radius:18px;background:white}.metric strong{font-size:35px;font-weight:750;line-height:1.1}.metric strong span{font-size:13px;margin-left:8px;font-weight:500;color:var(--muted)}.metric p{font-size:12px;color:var(--muted);margin-top:12px}.metric .badge{float:right}.badge{display:inline-flex;align-items:center;background:#eee8fb;color:#7154b6;font-size:11px;font-weight:600;border-radius:7px;padding:5px 9px;line-height:1.3}.badge.green{background:#eafaCE;color:#446b24}.white-section{background:var(--white)}.grid-margin-x>.cell{margin-bottom:24px}.card-box{height:100%;border:1px solid var(--line);border-radius:var(--radius);padding:30px;background:var(--white);transition:transform .25s,box-shadow .25s}.card-box:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.card-box h3{font-size:20px;margin:23px 0 13px}.card-box p{font-size:14px;color:var(--muted)}.icon-box{display:grid;place-items:center;width:45px;height:45px;border-radius:13px;background:#f0eafa;color:var(--primary);font-size:22px}.feature-card{background:var(--dark);color:white;border-color:var(--dark)}.feature-card p{color:#c1b7d7}.feature-card .icon-box{background:#473a68;color:var(--secondary)}.feature-card .badge{background:#493967;color:#e6d8ff}.card-top{display:flex;align-items:center;justify-content:space-between}.channel-link{display:inline-flex;font-size:13px;margin-top:24px;gap:20px;font-weight:700}.compare-shell{display:grid;grid-template-columns:1fr 1.1fr;gap:40px;align-items:center}.compare-panel{border:1px solid var(--line);border-radius:var(--radius);background:white;padding:28px}.compare-row{display:grid;grid-template-columns:90px 1fr;gap:18px;padding:18px 0;border-bottom:1px solid var(--line);font-size:13px}.compare-row:last-child{border:0;padding-bottom:0}.compare-row strong{color:var(--primary)}.compare-row p{color:var(--muted)}.comparison-title{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px}.comparison-title h3{font-size:19px}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:36px}.step{border-top:2px solid #d9d0eb;padding-top:25px}.step-number{font-size:12px;color:var(--primary);font-weight:700}.step h3{font-size:19px;margin:16px 0 12px}.step p{font-size:14px;color:var(--muted)}.step .badge{margin-top:18px}.news-list{border-top:1px solid var(--line)}.news-item{display:grid;grid-template-columns:80px 1fr 115px;gap:24px;align-items:start;padding:27px 0;border-bottom:1px solid var(--line)}.news-number{font-size:30px;font-weight:700;color:#c1b5d9;line-height:1.4}.news-item h3{font-size:19px;margin-bottom:10px}.news-item p{font-size:14px;color:var(--muted);max-width:790px}.news-label{justify-self:end;font-size:12px;color:var(--primary);border:1px solid #dfd5f2;padding:5px 12px;border-radius:20px}.security{background:var(--dark);color:white}.security .eyebrow{color:var(--secondary)}.security .section-head p{color:#bcb3cc}.security-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.security-item{padding:27px;background:#352d50;border:1px solid #4a3f67;border-radius:20px}.security-item b{color:var(--secondary);font-size:22px}.security-item h3{font-size:18px;margin:17px 0 12px}.security-item p{font-size:13px;color:#c5bcd5}.brief-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0 40px}.brief{padding:24px 0;border-bottom:1px solid var(--line);display:flex;gap:18px}.brief>span{font-size:12px;color:var(--primary);font-weight:700;padding-top:3px}.brief h3{font-size:18px;margin-bottom:10px}.brief p{font-size:14px;color:var(--muted)}.faq-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:65px}.faq-layout h2{font-size:32px}.faq-list details{border-bottom:1px solid var(--line);padding:23px 0}.faq-list details:first-child{padding-top:0}.faq-list summary{list-style:none;cursor:pointer;font-size:16px;font-weight:650;display:flex;justify-content:space-between;gap:20px}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary:after{content:"+";color:var(--primary);font-size:22px;line-height:1}.faq-list details[open] summary:after{content:"−"}.faq-list details p{font-size:14px;color:var(--muted);margin-top:18px;padding-right:28px}.preference{border:0}.preference-shell{padding:40px;border-radius:var(--radius);background:linear-gradient(110deg,#e9defc,#eeebf8 70%,#e9f0db);display:grid;grid-template-columns:1fr 1fr;gap:55px;align-items:center}.preference h2{font-size:31px}.preference .section-intro{font-size:14px}.preference-form label{display:block;font-size:13px;font-weight:600;margin:0 0 10px}.preference-form select{border:1px solid #cdbfdf;background-color:#fff;border-radius:10px;height:49px;box-shadow:none;color:var(--ink);margin-bottom:15px;padding:8px 30px 8px 14px}.check-row{display:flex;gap:10px;align-items:flex-start;margin:18px 0}.check-row input{margin:5px 0 0;accent-color:var(--primary);flex-shrink:0}.check-row label{font-size:12px;font-weight:400;line-height:1.7;margin:0;color:#6e627e}.form-actions{display:flex;align-items:center;gap:18px}.clear-button{background:transparent;border:0;font-size:12px;color:#6e627e;text-decoration:underline}.clear-button:hover{color:var(--primary)}.form-message{font-size:12px;color:#5a4489;min-height:23px;margin-top:12px}.site-footer{background:white;border-top:1px solid var(--line);padding:40px 0 25px}.footer-top{display:flex;align-items:center;justify-content:space-between;gap:30px;padding-bottom:28px}.footer-top p{font-size:13px;color:var(--muted)}.footer-bottom{display:flex;justify-content:space-between;gap:25px;padding-top:22px;border-top:1px solid var(--line);font-size:11px;color:var(--muted)}.footer-links{display:flex;gap:22px}.section-index{color:#a79cbd;font-size:12px;font-weight:600;white-space:nowrap}
@media(min-width:1400px){.hero-shell{padding-top:76px}.hero h1{font-size:69px}}
@media(max-width:1024px){:root{--space:60px}.container{width:calc(100% - 48px)}.navigation{gap:22px}.stage-nav{padding-left:18px}.hero-shell{padding:44px 35px 0}.section-head{gap:28px}.section-head p{max-width:50%}.card-box{padding:24px}.compare-shell{gap:30px}.preference-shell{gap:30px;padding:32px}.faq-layout{gap:35px}.metric{padding:19px}}
@media(max-width:768px){:root{--space:48px}.container{width:calc(100% - 36px)}.nav-row{min-height:73px;flex-wrap:wrap;gap:0}.menu-toggle{display:block}.navigation{display:none;width:100%;padding:12px 0 20px;flex-wrap:wrap;gap:25px}.navigation.is-open{display:flex}.nav-link{padding:8px 0}.nav-link.active:after{bottom:0}.stage-nav{margin-left:auto}.hero{padding-top:18px}.hero-shell{padding:34px 26px 0;border-radius:24px}.hero h1{font-size:44px;letter-spacing:-1.5px}.hero-shell:after{font-size:240px;right:4px;top:45px}.hero-copy{font-size:14px}.hero-note{display:none}.version-strip{gap:14px}.version-item{gap:8px}.version-item strong{font-size:12px}.version-item small{font-size:10px}.metric-grid{grid-template-columns:repeat(2,1fr)}.dashboard{padding:25px 0 45px}.section-head{display:block}.section-head h2,.faq-layout h2{font-size:28px}.section-head p{max-width:100%;margin-top:18px}.section-index{display:block;margin-top:16px}.compare-shell,.faq-layout,.preference-shell{grid-template-columns:1fr;gap:30px}.security-grid{grid-template-columns:1fr}.security-item{display:grid;grid-template-columns:30px 1fr;gap:8px 15px}.security-item h3{margin:4px 0 8px}.security-item p{grid-column:2}.steps{gap:18px}.news-item{grid-template-columns:40px 1fr;gap:16px}.news-label{grid-column:2;justify-self:start}.brief-grid{gap:0 25px}.footer-top{align-items:flex-start}.footer-bottom{flex-wrap:wrap}}
@media(max-width:520px){.container{width:calc(100% - 28px)}.brand-name{font-size:15px}.logo{width:38px;height:38px;font-size:24px}.navigation{gap:22px}.stage-nav{padding-left:12px;gap:3px}.chip{padding:4px 7px;font-size:10px}.hero-shell{padding:29px 22px 0}.hero h1{font-size:36px;line-height:1.28}.hero-actions{gap:17px;flex-wrap:wrap}.version-strip{grid-template-columns:1fr;gap:17px}.version-item{align-items:center;gap:12px}.version-item>div:last-child{display:flex;gap:12px;align-items:center}.version-item strong{font-size:13px}.hero-shell:after{top:85px;font-size:190px}.metric-grid{gap:12px}.metric{padding:19px 16px}.metric strong{font-size:30px}.metric .badge{float:none;display:table;margin-bottom:13px}.steps,.brief-grid{grid-template-columns:1fr}.step{padding-top:20px}.news-item h3{font-size:17px}.compare-panel{padding:21px}.compare-row{grid-template-columns:70px 1fr;gap:12px}.preference-shell{padding:27px 22px}.preference h2{font-size:27px}.footer-top{flex-direction:column;gap:18px}.footer-links{gap:15px}.section-head h2{font-size:27px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}

/* roulang page: category1 */
:root{--ink:#25213b;--muted:#767287;--primary:#7253d8;--secondary:#d6fb84;--paper:#f7f6fa;--white:#fff;--line:#e7e3ef;--dark:#292344;--radius:24px;--shadow:0 16px 48px rgba(45,30,87,.07);--space:76px}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:110px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8;-webkit-font-smoothing:antialiased}
h1,h2,h3,p{margin:0}
h1,h2,h3{font-family:inherit;font-weight:750;line-height:1.35}
a{color:inherit;text-decoration:none;transition:color .2s,background .2s,transform .2s}
a:hover{color:var(--primary)}
button,input,select{font:inherit}
button,a,input,select,summary{-webkit-tap-highlight-color:transparent}
button{cursor:pointer}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #ae91fa;outline-offset:5px}
img{display:block;max-width:100%;height:auto}
.container{width:min(1180px,calc(100% - 64px));margin:auto}
.site-header{position:sticky;top:0;z-index:30;background:rgba(247,246,250,.95);border-bottom:1px solid var(--line);backdrop-filter:blur(18px)}
.nav-row{min-height:86px;display:flex;align-items:center;justify-content:space-between;gap:32px}
.brand{display:flex;gap:12px;align-items:center;font-weight:800;white-space:nowrap}
.logo{width:43px;height:43px;background:var(--dark);color:var(--secondary);display:grid;place-items:center;border-radius:13px;font-size:26px;letter-spacing:-3px;padding-right:3px}
.brand-name{font-size:17px}
.navigation{display:flex;align-items:center;gap:28px}
.nav-link{font-size:14px;position:relative;padding:28px 0;font-weight:600}
.nav-link.active:after{content:"";position:absolute;bottom:19px;left:0;right:0;height:3px;background:var(--primary);border-radius:8px}
.stage-nav{display:flex;gap:6px;border-left:1px solid var(--line);padding-left:24px}
.chip{font-size:11px;padding:5px 10px;border-radius:20px;background:#eeebf5;color:var(--muted);white-space:nowrap}
.chip.current{background:#e5dbff;color:#6041bd}
.menu-toggle{display:none;background:white;border:1px solid var(--line);border-radius:10px;padding:8px 12px;color:var(--ink)}
main{overflow:hidden}
section{padding:var(--space) 0;border-bottom:1px solid var(--line)}
.eyebrow{display:flex;align-items:center;gap:10px;font-size:12px;font-weight:700;color:var(--primary);letter-spacing:2px;margin-bottom:19px}
.eyebrow:before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:40px;margin-bottom:32px}
.section-head h2{font-size:32px;letter-spacing:-1px}
.section-head p{max-width:520px;font-size:14px;color:var(--muted)}
.section-intro{color:var(--muted);font-size:15px;margin-top:19px}
.hero{padding:30px 0 48px;border:0}
.hero-shell{position:relative;overflow:hidden;border-radius:32px;background:radial-gradient(ellipse at 90% 20%,#bba5f1 0,transparent 55%),linear-gradient(115deg,#e8e0fb,#eee8fa 50%,#ddd2f2);padding:48px;isolation:isolate}
.hero h1{font-size:clamp(34px,4.3vw,54px);letter-spacing:-2px;margin:20px 0}
.hero h1 span{display:block;color:#7253bb}
.hero-copy{max-width:580px;font-size:15px;line-height:2;color:#625674}
.hero-actions{display:flex;align-items:center;flex-wrap:wrap;gap:20px;margin-top:27px}
.button{margin:0;border:1px solid transparent;border-radius:12px;background:var(--dark);color:white;font-size:14px;font-weight:650;padding:15px 23px;line-height:1.3;display:inline-flex;justify-content:center;align-items:center;gap:20px;transition:all .2s}
.button:hover,.button:focus{background:#4c3e76;color:white;box-shadow:0 6px 18px #29234420;transform:translateY(-2px)}
.button:active{transform:translateY(1px)}
.button.light{background:white;border-color:var(--line);color:var(--ink)}
.text-link{font-size:13px;font-weight:700}
.badge{display:inline-flex;align-items:center;background:#eee8fb;color:#7154b6;font-size:11px;font-weight:600;border-radius:7px;padding:5px 9px;line-height:1.3}
.badge.green{background:#eaface;color:#446b24}
.white-section{background:var(--white)}
.grid-margin-x>.cell{margin-bottom:24px}
.hero .grid-margin-x>.cell{margin-bottom:0}
.card-box{height:100%;border:1px solid var(--line);border-radius:var(--radius);padding:30px;background:var(--white);transition:transform .25s,box-shadow .25s}
.card-box:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.card-box h3{font-size:20px;margin:23px 0 13px}
.card-box p{font-size:14px;color:var(--muted)}
.feature-card{background:var(--dark);color:white;border-color:var(--dark)}
.feature-card p{color:#c1b7d7}
.feature-card .badge{background:#493967;color:#e6d8ff}
.card-top{display:flex;align-items:center;justify-content:space-between}
.icon-box{width:43px;height:43px;border-radius:13px;display:grid;place-items:center;background:#f0eafa;color:var(--primary);font-weight:800}
.feature-card .icon-box{background:#473a68;color:var(--secondary)}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:24px}
.metric{background:white;border:1px solid var(--line);border-radius:20px;padding:22px}
.metric .badge{float:right}
.metric strong{display:block;font-size:30px;line-height:1.3;letter-spacing:-1px}
.metric p{font-size:12px;color:var(--muted);margin-top:10px}
.code-panel{background:var(--dark);border:1px solid #51446f;border-radius:22px;color:#f0e9ff;overflow:hidden;box-shadow:0 18px 40px #55427c26}
.code-bar{display:flex;justify-content:space-between;gap:12px;padding:15px 20px;border-bottom:1px solid #51446f;font-size:12px;color:#c2b5db}
.code-panel pre{margin:0;padding:24px 20px;font-size:13px;line-height:2.2;white-space:pre-wrap;overflow-wrap:anywhere;color:#d6fb84}
.code-panel code{border:0;background:transparent;color:inherit;padding:0}
.code-note{padding:15px 20px;background:#342b4e;color:#d1c4e8;font-size:12px}
.compare-row{display:grid;grid-template-columns:90px 1fr;gap:18px;padding:18px 0;border-bottom:1px solid var(--line);font-size:13px}
.compare-row:last-child{border:0;padding-bottom:0}
.compare-row strong{color:var(--primary)}
.compare-row p{color:var(--muted)}
.comparison-title{display:flex;justify-content:space-between;gap:16px;align-items:center;margin-bottom:6px}
.comparison-title h3{font-size:19px;margin:0}
.timeline{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:32px}
.step{border-top:2px solid var(--line);padding-top:25px}
.step.current{border-color:var(--primary)}
.node{width:38px;height:38px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;color:var(--muted);margin-bottom:18px;font-size:13px;background:white}
.current .node{background:var(--dark);color:var(--secondary);border-color:var(--dark)}
.step h3{font-size:20px;margin-bottom:12px}
.step p{font-size:14px;color:var(--muted)}
.step .badge{margin-top:18px}
.news-list{border-top:1px solid var(--line)}
.news-item{display:grid;grid-template-columns:80px 1fr 115px;gap:24px;align-items:start;padding:27px 0;border-bottom:1px solid var(--line)}
.news-item h3{font-size:19px;margin-bottom:10px}
.news-item p{font-size:14px;color:var(--muted);max-width:790px}
.news-number{font-size:30px;color:#b4a6d2;line-height:1.3}
.security{background:var(--dark);color:white}
.security .eyebrow{color:var(--secondary)}
.security .section-head p{color:#bcb3cc}
.security-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.security-item{padding:27px;background:#352d50;border:1px solid #4a3f67;border-radius:20px}
.security-item b{color:var(--secondary);font-size:22px}
.security-item h3{font-size:18px;margin:17px 0 12px}
.security-item p{font-size:13px;color:#c5bcd5}
.brief-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0 40px}
.brief-item{padding:23px 0;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:20px;align-items:center}
.brief-item h3{font-size:16px}
.brief-item p{font-size:13px;color:var(--muted);margin-top:6px}
.faq-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:65px}
.faq-layout h2{font-size:32px}
.faq-list details{border-bottom:1px solid var(--line);padding:20px 0}
.faq-list details:first-child{padding-top:0}
.faq-list summary{list-style:none;cursor:pointer;position:relative;padding-right:32px;font-weight:650;font-size:16px}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary:after{content:"+";position:absolute;right:3px;top:0;color:var(--primary);font-size:22px}
.faq-list details[open] summary:after{content:"−"}
.faq-list details p{color:var(--muted);font-size:14px;padding-top:16px}
.preference-shell{padding:40px;border:1px solid #dfd2fa;background:linear-gradient(120deg,#eee7fc,#f4f0fd);border-radius:var(--radius)}
.preference-shell h2{font-size:30px}
.preference-shell p{font-size:14px;color:#6b5c82;margin-top:16px}
fieldset{border:0;margin:0;padding:0;min-width:0}
legend{font-size:15px;font-weight:700;margin-bottom:14px}
.choice-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.choice{display:flex;align-items:center;gap:10px;background:white;border:1px solid var(--line);border-radius:12px;padding:13px 15px;font-size:14px;cursor:pointer}
.choice:hover{border-color:var(--primary)}
.choice:has(input:checked){background:#e8defb;border-color:#a38bd7}
.choice input{margin:0;accent-color:var(--primary);width:17px;height:17px}
.form-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.form-status{min-height:26px;font-size:13px!important}
.site-footer{padding:38px 0 24px;background:var(--paper)}
.footer-top,.footer-bottom{display:flex;justify-content:space-between;align-items:center;gap:24px}
.footer-top{padding-bottom:30px}
.footer-top p{font-size:14px;color:var(--muted)}
.footer-bottom{padding-top:22px;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}
.footer-links{display:flex;flex-wrap:wrap;gap:24px}
.footer-links a:hover{text-decoration:underline}
@media(min-width:1025px){.hero .code-panel{margin-left:16px}}
@media(max-width:1024px){:root{--space:58px}.container{width:calc(100% - 48px)}.navigation{gap:20px}.stage-nav{padding-left:15px}.brand-name{font-size:15px}.hero-shell{padding:36px}.metric-grid{gap:12px}.metric{padding:18px}.faq-layout{gap:36px}.section-head{gap:26px}.hero h1{letter-spacing:-1px}}
@media(max-width:768px){.container{width:calc(100% - 36px)}.nav-row{min-height:76px;flex-wrap:wrap;gap:0}.menu-toggle{display:block}.navigation{display:none;width:100%;padding:8px 0 18px;flex-wrap:wrap;gap:20px}.navigation.is-open{display:flex}.nav-link{padding:12px 0}.nav-link.active:after{bottom:4px}.stage-nav{margin-left:auto}.hero-shell{padding:30px}.hero .code-panel{margin-top:30px}.metric-grid{grid-template-columns:repeat(2,1fr)}.section-head{display:block}.section-head p{margin-top:16px}.timeline{gap:20px}.security-grid{grid-template-columns:1fr}.security-item{display:grid;grid-template-columns:40px 1fr;gap:0 12px}.security-item h3{margin:0 0 10px}.security-item p{grid-column:2}.faq-layout{grid-template-columns:1fr;gap:30px}.preference-shell{padding:28px}.preference-shell form{margin-top:25px}.footer-top,.footer-bottom{align-items:flex-start;flex-direction:column;gap:16px}.news-item{grid-template-columns:45px 1fr 90px;gap:16px}}
@media(max-width:520px){:root{--space:44px}.container{width:calc(100% - 28px)}.brand-name{font-size:14px}.logo{width:38px;height:38px}.stage-nav{width:100%;margin:0;border:0;padding:0}.navigation{column-gap:28px;row-gap:8px}.hero{padding-top:18px}.hero-shell{padding:26px 22px;border-radius:24px}.hero h1{font-size:34px}.hero-copy{font-size:14px}.hero-actions{gap:15px}.hero-actions .button{width:100%}.metric{padding:17px 14px}.metric strong{font-size:26px}.metric .badge{font-size:10px;padding:4px 6px}.section-head h2,.faq-layout h2,.preference-shell h2{font-size:27px}.card-box{padding:24px}.timeline{grid-template-columns:1fr;gap:24px}.step{padding-top:20px}.brief-grid{grid-template-columns:1fr}.news-item{grid-template-columns:32px 1fr}.news-item>.badge{grid-column:2;justify-self:start}.news-number{font-size:24px}.news-item h3{font-size:17px}.preference-shell{padding:24px 20px}.choice-grid{grid-template-columns:1fr}.footer-links{gap:18px}.code-panel pre{font-size:12px;padding:18px}.code-bar{padding:14px}.compare-row{grid-template-columns:72px 1fr;gap:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}