/* roulang page: index */
:root{--primary:#2563eb;--primary-dark:#1747b6;--ink:#182842;--muted:#63728a;--line:#e2e9f3;--bg:#f5f8fd;--white:#fff;--soft:#edf4ff;--green:#13836e;--radius:18px;--shadow:0 9px 30px rgba(30,66,119,.065);--space:64px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--bg);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);line-height:1.8;font-size:15px}h1,h2,h3,h4,p{margin:0}h1,h2,h3,h4{font-family:inherit;color:var(--ink);line-height:1.35}h1{font-size:clamp(28px,3.5vw,43px);font-weight:750;letter-spacing:-1px}h2{font-size:28px;font-weight:750;letter-spacing:-.5px}h3{font-size:18px;font-weight:700}p{color:var(--muted)}a{color:var(--primary);text-decoration:none;transition:color .2s,background .2s,transform .2s}a:hover{color:var(--primary-dark)}button,input,select{font:inherit}button{cursor:pointer}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #83b2ff;outline-offset:4px}button:active,.button:active{transform:translateY(1px)}img,svg{max-width:100%;vertical-align:middle}ul{margin:0;padding:0;list-style:none}
.container{width:min(1160px,calc(100% - 56px));margin:auto}.site-header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);box-shadow:0 2px 12px #203d6610;backdrop-filter:blur(14px)}.header-inner{min-height:80px;display:flex;align-items:center;gap:30px}.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-size:19px;font-weight:800;white-space:nowrap}.brand-mark{width:34px;height:34px;background:var(--primary);border-radius:10px;display:grid;place-items:center;color:#fff}.brand-mark svg{width:23px}.top-nav{display:flex;gap:6px;white-space:nowrap}.top-nav a{color:var(--muted);padding:9px 13px;border-radius:8px;font-weight:600}.top-nav a:hover,.top-nav a.active{color:var(--primary);background:var(--soft)}.site-search{margin-left:auto;position:relative;max-width:240px;width:100%;display:flex;align-items:center}.site-search input{margin:0;height:39px;border:1px solid var(--line);border-radius:9px;background:var(--bg);box-shadow:none;padding:0 38px 0 13px;font-size:13px}.site-search button{position:absolute;right:10px;color:var(--primary);background:none;border:0;font-size:20px}.language{font-size:12px;color:var(--muted);white-space:nowrap}.menu-toggle{display:none;border:1px solid var(--line);padding:7px 11px;border-radius:8px;background:#fff;color:var(--ink)}
main{overflow:hidden}section{padding:var(--space) 0;border-bottom:1px solid var(--line)}section:nth-of-type(even){background:#fff}.eyebrow{display:flex;align-items:center;gap:9px;font-size:12px;font-weight:700;color:var(--primary);letter-spacing:1px;margin-bottom:13px}.eyebrow::before{content:"";width:20px;height:3px;background:var(--primary);border-radius:3px}.section-head{display:flex;justify-content:space-between;gap:35px;align-items:flex-start;margin-bottom:28px}.section-head>div:first-child{min-width:240px}.section-head>p{max-width:620px}.intro{max-width:820px;margin:16px 0 28px}.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 10px;border-radius:6px;background:var(--soft);color:var(--primary);font-size:12px;font-weight:650}.badge.muted{background:#f0f3f7;color:var(--muted)}.badge.green{background:#e8f6f1;color:var(--green)}.button{margin:0;border-radius:9px;background:var(--primary);font-weight:650;padding:14px 21px;font-size:14px;line-height:1.3;border:1px solid var(--primary);transition:.2s}.button:hover,.button:focus{background:var(--primary-dark);color:#fff}.button.secondary{background:#fff;color:var(--primary);border-color:#ccdcf6}.button.secondary:hover{background:var(--soft)}.button-row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}.card-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:25px;height:100%;box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s}.card-box:hover{transform:translateY(-3px);box-shadow:0 13px 32px #20427713}.card-box h3{margin:15px 0 9px}.card-box p{font-size:14px}.grid-gap{row-gap:24px}.icon{width:43px;height:43px;border-radius:12px;background:var(--soft);color:var(--primary);display:grid;place-items:center;font-size:20px;font-weight:750}
.hero{padding:32px 0 40px;background:#fff}.profile-cover{position:relative;height:112px;border-radius:var(--radius);overflow:hidden;background:#eaf2ff;border:1px solid #dbe8ff;display:flex;align-items:center;justify-content:space-between;padding:22px 32px}.cover-title{font-size:15px;font-weight:750;letter-spacing:3px;color:#456aab}.cover-lines{position:absolute;inset:0;background-image:linear-gradient(#2563eb08 1px,transparent 1px),linear-gradient(90deg,#2563eb08 1px,transparent 1px);background-size:25px 25px;pointer-events:none}.cover-art{width:250px;opacity:.65}.profile-top{display:flex;align-items:center;gap:18px;padding:0 30px;margin-top:-27px;position:relative}.avatar{flex-shrink:0;width:82px;height:82px;border:6px solid white;border-radius:24px;background:var(--primary);color:white;display:grid;place-items:center;font-size:25px;font-weight:800;box-shadow:var(--shadow)}.profile-name{padding-top:22px}.profile-name strong{display:block;font-size:18px}.profile-name span{font-size:12px;color:var(--muted)}.follow{margin-left:auto;margin-top:22px}.hero-copy{padding:25px 30px 0}.hero-copy p{max-width:950px;margin-top:16px;font-size:15px}.hero-metrics{display:flex;gap:12px;margin-top:22px;flex-wrap:wrap}.metric{padding:9px 15px;border:1px solid var(--line);border-radius:8px;display:flex;align-items:center;gap:9px;background:#fff;font-size:12px;color:var(--muted)}.metric strong{color:var(--ink);font-size:14px}.small-note{font-size:12px;color:var(--muted)}.matrix{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.matrix a{display:block;background:#fff;border:1px solid var(--line);padding:20px;border-radius:12px;color:var(--ink)}.matrix a:hover{border-color:#9cbeff;transform:translateY(-3px);box-shadow:var(--shadow)}.matrix strong{display:block;margin:10px 0 7px;font-size:16px}.matrix p{font-size:13px}.matrix .arrow{float:right;color:var(--primary)}
.comparison{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:28px}.comparison article{padding:24px 28px;border-radius:14px;background:#f6f8fb;border:1px solid var(--line)}.comparison article:last-child{background:var(--soft);border-color:#cddfff}.comparison h3{margin-bottom:12px}.check-list li{position:relative;padding:9px 0 9px 22px;color:var(--muted);font-size:14px;border-bottom:1px solid #dfe7f1}.check-list li:last-child{border-bottom:0}.check-list li::before{content:"·";position:absolute;left:4px;color:var(--primary);font-weight:bold}
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:30px}.timeline article{border-top:2px solid #cddfff;padding-top:20px}.step-number{color:var(--primary);font-size:13px;font-weight:750}.timeline h3{margin:9px 0}.timeline p{font-size:14px}.stage{display:grid;grid-template-columns:1.35fr 1fr;border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:var(--shadow);background:#fff}.demo-screen{background:#142b4e;color:#fff;padding:28px}.demo-top{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #ffffff20;padding-bottom:18px;font-size:14px}.demo-content{display:grid;grid-template-columns:1fr 90px 1fr;align-items:center;text-align:center;gap:12px;padding:28px 0}.team-emblem{width:54px;height:54px;background:#ffffff12;border:1px solid #ffffff25;border-radius:15px;margin:0 auto 12px;display:grid;place-items:center;font-size:23px}.demo-score{font-size:30px;font-weight:750}.demo-screen p{color:#bacbe2;font-size:12px}.demo-events{border-top:1px solid #ffffff20;display:flex;justify-content:space-between;padding-top:20px;font-size:12px;color:#bacbe2}.stage-text{padding:30px}.stage-text h3{margin-bottom:12px}.stage-text p{margin-bottom:18px;font-size:14px}.voice{border-left:3px solid #adc8fb;padding:5px 0 5px 22px}.voice h3{font-size:17px;margin-bottom:11px}.voice p{font-size:14px}.voice .small-note{display:block;margin-top:12px}.plan-card{border-top:4px solid #c5d6ef}.plan-card.featured{border-top-color:var(--primary)}.plan-card .price{font-size:23px;font-weight:750;margin:17px 0 4px}.plan-card .price small{font-size:12px;font-weight:400;color:var(--muted)}.plan-card h3{margin-top:0}.plan-card .check-list{margin-top:16px}
.news-list{border-top:1px solid var(--line)}.news-item{display:grid;grid-template-columns:110px 1fr 32px;gap:22px;align-items:center;padding:24px 0;border-bottom:1px solid var(--line)}.news-item h3{margin-bottom:6px;font-size:18px}.news-item p{font-size:14px}.news-item>a{font-size:24px;text-align:right}.news-label{font-size:12px;color:var(--primary);font-weight:650}.security-band{background:#eaf2ff!important}.security-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}.security-grid h3{margin-bottom:9px}.security-grid p{font-size:14px}.quick-answer{display:flex;gap:26px;align-items:flex-start;border:1px solid #bfd4f8;border-radius:16px;background:#fff;padding:28px;margin-top:26px}.quick-answer .icon{flex-shrink:0}.quick-answer p{margin-top:10px}.faq-wrap{display:grid;grid-template-columns:1fr 1.7fr;gap:50px}.faq-wrap .intro{font-size:14px}.faq-list details{border-bottom:1px solid var(--line);padding:18px 0}.faq-list details:first-child{padding-top:0}.faq-list summary{font-size:16px;font-weight:650;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:15px}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary::after{content:"+";color:var(--primary);font-size:20px}.faq-list details[open] summary::after{content:"−"}.faq-list details p{font-size:14px;padding:13px 24px 0 0}.download-panel{border:1px solid var(--line);border-radius:20px;background:#fff;box-shadow:var(--shadow);padding:32px;display:grid;grid-template-columns:1.2fr 1fr;gap:45px}.download-links{display:flex;gap:10px;flex-wrap:wrap;margin:22px 0 13px}.preference-form{background:var(--bg);padding:24px;border-radius:14px}.preference-form h3{margin-bottom:15px}.preference-form label{font-size:13px;color:var(--ink);margin-bottom:13px}.preference-form select{border:1px solid var(--line);border-radius:8px;box-shadow:none;margin:5px 0 0;background-color:#fff;color:var(--ink)}.form-status{font-size:13px;margin-top:12px;min-height:24px;color:var(--green)}.site-footer{padding:35px 0;background:#fff}.footer-top{display:flex;justify-content:space-between;align-items:center;gap:25px}.footer-links{display:flex;gap:22px;font-size:13px}.footer-links a{color:var(--muted)}.footer-bottom{margin-top:24px;padding-top:22px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:25px;font-size:12px;color:var(--muted)}.search-status{font-size:13px;color:var(--primary);padding:0 0 10px;display:none}.search-match{outline:3px solid #93b7ff;outline-offset:-3px}.follow-status{display:none}
@media(min-width:1025px){.grid-x>.large-4{width:calc(33.33333% - 1.875rem)}}
@media(max-width:1024px){.header-inner{gap:15px}.container{width:calc(100% - 40px)}.site-search{max-width:180px}.language{display:none}.matrix{grid-template-columns:repeat(2,1fr)}.section-head{gap:24px}.section-head>p{max-width:55%}.timeline{gap:18px}.download-panel{gap:25px}}
@media(max-width:768px){:root{--space:44px}.header-inner{min-height:70px;flex-wrap:wrap;gap:12px;padding-top:12px;padding-bottom:12px}.brand{font-size:17px}.site-search{max-width:none;width:190px}.menu-toggle{display:block;margin-left:auto}.top-nav{display:none;order:5;width:100%;padding-top:5px}.top-nav.open{display:flex}.site-search{margin-left:0}.section-head{display:block}.section-head>p{max-width:none;margin-top:16px}.section-head>div:first-child{min-width:0}h2{font-size:25px}.timeline{grid-template-columns:repeat(2,1fr);row-gap:28px}.stage,.download-panel,.faq-wrap{grid-template-columns:1fr}.faq-wrap{gap:12px}.security-grid{grid-template-columns:1fr;gap:25px}.comparison{gap:14px}.comparison article{padding:20px}.profile-cover{padding:20px}.profile-top{padding:0 12px}.hero-copy{padding:24px 12px 0}.footer-top,.footer-bottom{align-items:flex-start;flex-direction:column}.news-item{grid-template-columns:85px 1fr 24px;gap:14px}.download-panel{padding:25px}.cover-art{width:180px}.profile-name span{display:none}}
@media(max-width:520px){.container{width:calc(100% - 28px)}.site-search{order:4;width:100%;max-width:none}.header-inner{gap:10px}.hero{padding-top:20px}.profile-cover{height:90px}.cover-title{font-size:12px;letter-spacing:1px}.cover-art{width:110px}.avatar{width:65px;height:65px;border-radius:19px;font-size:20px}.profile-name strong{font-size:15px}.follow{padding:10px 12px;font-size:12px}.hero-copy{padding-left:0;padding-right:0}.hero-copy p{font-size:14px}.hero-metrics{gap:8px}.metric{padding:8px 10px}.matrix{gap:12px}.matrix a{padding:17px}.matrix p{font-size:12px}.comparison{grid-template-columns:1fr}.timeline{gap:22px 18px}.timeline h3{font-size:16px}.card-box{padding:22px}.demo-screen,.stage-text{padding:22px}.demo-events{gap:10px;flex-wrap:wrap}.news-item{grid-template-columns:1fr 24px;gap:8px}.news-label{grid-column:1/-1}.news-item h3{font-size:16px}.quick-answer{padding:21px;gap:15px}.quick-answer .icon{display:none}.download-panel{padding:20px}.preference-form{padding:20px}.footer-links{gap:15px;flex-wrap:wrap}.button-row .button{flex:1}.footer-bottom{gap:10px}.grid-margin-x{margin-left:-.5rem;margin-right:-.5rem}.grid-margin-x>.cell{margin-left:.5rem;margin-right:.5rem;width:calc(100% - 1rem)}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important}}

/* roulang page: category1 */
:root{--primary:#2563eb;--primary-dark:#1747b6;--ink:#182842;--muted:#63728a;--line:#e2e9f3;--bg:#f5f8fd;--white:#fff;--soft:#edf4ff;--green:#13836e;--radius:18px;--shadow:0 9px 30px rgba(30,66,119,.065);--space:64px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:105px}body{margin:0;background:var(--bg);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);line-height:1.8;font-size:15px}
a{color:var(--primary);text-decoration:none;transition:color .2s,background .2s,transform .2s}a:hover{color:var(--primary-dark)}button,input,select{font:inherit}button{cursor:pointer}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #83b2ff;outline-offset:4px}button:active,.button:active{transform:translateY(1px)}img,svg{max-width:100%;vertical-align:middle}h1,h2,h3,p{margin:0}h1,h2,h3{font-family:inherit;color:var(--ink);font-weight:750;line-height:1.4}h1{font-size:clamp(28px,3.1vw,43px);letter-spacing:-1px}h2{font-size:27px}h3{font-size:18px}p{color:var(--muted)}ul{list-style:none;margin:0;padding:0}.container{width:min(1160px,calc(100% - 56px));margin:auto}
.site-header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);box-shadow:0 2px 12px #203d6610;backdrop-filter:blur(14px)}.header-inner{min-height:80px;display:flex;align-items:center;gap:30px}.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-size:19px;font-weight:800;white-space:nowrap}.brand-mark{width:34px;height:34px;background:var(--primary);border-radius:10px;display:grid;place-items:center;color:#fff}.top-nav{display:flex;gap:6px;white-space:nowrap}.top-nav a{color:var(--muted);padding:9px 13px;border-radius:8px;font-weight:600}.top-nav a:hover,.top-nav a.active{color:var(--primary);background:var(--soft)}.site-search{margin-left:auto;position:relative;max-width:240px;width:100%;display:flex;align-items:center}.site-search input{margin:0;height:39px;border:1px solid var(--line);border-radius:9px;background:var(--bg);box-shadow:none;padding:0 43px 0 13px;font-size:13px}.site-search button{position:absolute;right:10px;color:var(--primary);background:none;border:0;font-size:13px}.edition{font-size:12px;color:var(--muted);white-space:nowrap}.menu-toggle{display:none;border:1px solid var(--line);padding:7px 11px;border-radius:8px;background:#fff;color:var(--ink)}
.page-shell{display:grid;grid-template-columns:178px minmax(0,1fr);gap:34px}.topic-aside{padding-top:35px}.aside-inner{position:sticky;top:113px}.aside-label{font-size:12px;color:var(--muted);letter-spacing:2px;margin-bottom:16px}.topic-aside a{display:block;color:var(--muted);padding:9px 13px;border-left:2px solid var(--line);font-size:13px}.topic-aside a:hover,.topic-aside a.current{background:var(--soft);color:var(--primary);border-color:var(--primary)}.aside-note{padding:18px 12px;margin-top:24px;font-size:12px;border-top:1px solid var(--line);color:var(--muted)}.aside-note strong{display:block;color:var(--ink);margin-bottom:6px}
main{min-width:0;overflow:hidden}section{padding:var(--space) 0;border-bottom:1px solid var(--line)}section:nth-of-type(even){background:#fff}.content-section{padding:40px 26px;border-radius:18px;margin:18px 0}.eyebrow{display:flex;align-items:center;gap:9px;font-size:12px;font-weight:700;color:var(--primary);letter-spacing:1px;margin-bottom:13px}.eyebrow::before{content:"";width:20px;height:3px;background:var(--primary);border-radius:3px}.section-head{display:flex;justify-content:space-between;gap:25px;align-items:flex-start;margin-bottom:28px}.section-head>div:first-child{min-width:210px}.section-head>p{max-width:350px;font-size:14px;padding-top:7px}.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 10px;border-radius:6px;background:var(--soft);color:var(--primary);font-size:12px;font-weight:650}.badge.muted{background:#f0f3f7;color:var(--muted)}.badge.green{background:#e8f6f1;color:var(--green)}.button{margin:0;border-radius:9px;background:var(--primary);font-weight:650;padding:14px 21px;font-size:14px;line-height:1.3;border:1px solid var(--primary);transition:.2s;color:white}.button:hover,.button:focus{background:var(--primary-dark);color:#fff}.button.secondary{background:#fff;color:var(--primary);border-color:#ccdcf6}.button.secondary:hover{background:var(--soft)}.button-row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}.card-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:23px;height:100%;box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s}.card-box:hover{transform:translateY(-3px);box-shadow:0 13px 32px #20427713}.card-box h3{margin:15px 0 9px}.card-box p{font-size:14px}.grid-gap{row-gap:20px}
.hero{padding:32px 0 25px;background:transparent}.breadcrumb{font-size:12px;color:var(--muted);margin-bottom:22px}.breadcrumb a{color:var(--muted)}.breadcrumb span{margin:0 10px}.bento{display:grid;grid-template-columns:1.55fr 1fr;gap:16px}.hero-main{grid-row:span 2;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow);position:relative;overflow:hidden}.hero-main:after{content:"";position:absolute;width:130px;height:130px;border:24px solid var(--soft);border-radius:50%;right:-50px;bottom:-55px;pointer-events:none}.hero-main p{margin:18px 0;font-size:14px}.hero-small{background:var(--soft);border:1px solid #dce8fb;border-radius:var(--radius);padding:22px}.hero-small h2{font-size:17px;margin:8px 0}.hero-small p{font-size:13px}.metric{font-size:23px;font-weight:800;color:var(--primary);display:block}.hero-strip{grid-column:1/-1;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:18px 24px;background:var(--ink);border-radius:12px;color:white}.hero-strip p{color:#d1def1;font-size:13px}.hero-strip .button{white-space:nowrap}.card-index{font-size:12px;font-weight:800;color:var(--primary);background:var(--soft);padding:6px 9px;border-radius:7px}.check-list{margin-top:15px}.check-list li{position:relative;padding:9px 0 9px 22px;color:var(--muted);font-size:14px;border-bottom:1px solid #dfe7f1}.check-list li:last-child{border-bottom:0}.check-list li::before{content:"·";position:absolute;left:4px;color:var(--primary);font-weight:bold}
.compare{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:white}.compare-row{display:grid;grid-template-columns:1fr 1.1fr 1.1fr;gap:18px;padding:17px 20px;border-bottom:1px solid var(--line);font-size:13px;color:var(--muted)}.compare-row:last-child{border:0}.compare-row strong{color:var(--ink)}.compare-row.heading{background:var(--soft);color:var(--primary);font-weight:700}.note{font-size:12px;margin-top:16px}
.milestones{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:30px}.milestone{position:relative;padding:22px 16px 0 0;border-top:2px solid #ccdcf6}.milestone:before{content:"";position:absolute;top:-6px;left:0;width:10px;height:10px;border-radius:50%;background:var(--primary);box-shadow:0 0 0 5px var(--soft)}.milestone h3{font-size:15px;margin:10px 0}.milestone p{font-size:13px}.milestone small{color:var(--primary);font-weight:700}
.news-list{border-top:1px solid var(--line)}.news-item{display:grid;grid-template-columns:85px 1fr 32px;gap:20px;align-items:center;padding:24px 0;border-bottom:1px solid var(--line)}.news-item h3{margin-bottom:6px;font-size:17px}.news-item p{font-size:14px}.news-item>a{font-size:24px;text-align:right}.news-item .badge{justify-content:center}
.security-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}.security-grid h3{margin:12px 0 9px;font-size:16px}.security-grid p{font-size:13px}.security-icon{width:38px;height:38px;background:var(--soft);color:var(--primary);display:grid;place-items:center;border-radius:10px;font-weight:800}.safety-banner{border-left:3px solid var(--primary);background:var(--soft);padding:16px 20px;margin-top:26px;font-size:13px;color:var(--ink)}
.quick-answer{display:grid;grid-template-columns:1fr 1fr;gap:24px}.answer{padding-left:20px;border-left:2px solid #c7d9fb}.answer h3{font-size:16px;margin-bottom:9px}.answer p{font-size:14px}
.faq-wrap{display:grid;grid-template-columns:1fr 1.7fr;gap:35px}.faq-wrap .intro{font-size:14px;margin-top:15px}.faq-list details{border-bottom:1px solid var(--line);padding:18px 0}.faq-list details:first-child{padding-top:0}.faq-list summary{font-size:15px;font-weight:650;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:15px}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary::after{content:"+";color:var(--primary);font-size:20px}.faq-list details[open] summary::after{content:"−"}.faq-list details p{font-size:14px;padding:13px 20px 0 0}
.cta-layout{display:grid;grid-template-columns:1fr 1.1fr;gap:28px;align-items:start}.cta-copy p{font-size:14px;margin:16px 0}.preference-form{background:var(--bg);padding:24px;border:1px solid var(--line);border-radius:14px}.preference-form h3{margin-bottom:15px}.preference-form label{font-size:13px;color:var(--ink);margin-bottom:13px}.preference-form select{height:42px;border:1px solid var(--line);border-radius:8px;box-shadow:none;margin:5px 0 0;background-color:#fff;color:var(--ink)}.form-status{font-size:13px;margin-top:12px;min-height:24px;color:var(--green)}.result-box{margin-top:15px;padding:16px;background:#fff;border:1px solid var(--line);border-radius:10px;font-size:13px}.result-box p{margin-top:8px}.site-footer{padding:35px 0;background:#fff;margin-top:25px;border-top:1px solid var(--line)}.footer-top{display:flex;justify-content:space-between;align-items:center;gap:24px}.footer-links{display:flex;flex-wrap:wrap;gap:23px;font-size:13px}.footer-links a{color:var(--muted)}.footer-links a:hover{color:var(--primary)}.footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);margin-top:26px;padding-top:20px;color:var(--muted);font-size:12px}.search-message{font-size:13px;color:var(--primary);padding-top:10px}.search-message:empty{display:none}.search-hit{outline:3px solid #83b2ff;outline-offset:-3px}
@media(min-width:1440px){.container{width:min(1280px,calc(100% - 80px))}.page-shell{gap:44px}}
@media(max-width:1024px){.header-inner{gap:16px}.edition{display:none}.page-shell{grid-template-columns:145px minmax(0,1fr);gap:20px}.content-section{padding:30px 20px}.bento{grid-template-columns:1fr 1fr}.hero-main{grid-column:1/-1;grid-row:auto}.hero-main h1{max-width:600px}.section-head{display:block}.section-head>p{margin-top:12px;max-width:none}.security-grid{gap:18px}.faq-wrap{grid-template-columns:1fr}.milestones{grid-template-columns:1fr 1fr;row-gap:25px}.cta-layout{grid-template-columns:1fr}}
@media(max-width:768px){.container{width:calc(100% - 36px)}.header-inner{flex-wrap:wrap;padding:15px 0;gap:12px}.brand{font-size:17px}.site-search{max-width:210px}.top-nav{order:3;width:100%;border-top:1px solid var(--line);padding-top:9px}.page-shell{display:block}.topic-aside{padding:20px 0 0}.aside-inner{position:static}.aside-label,.aside-note{display:none}.aside-links{display:flex;overflow:auto;gap:6px;padding-bottom:6px}.topic-aside a{white-space:nowrap;border:1px solid var(--line);border-radius:8px;background:white;padding:6px 10px}.content-section{margin:14px 0}.security-grid{grid-template-columns:1fr}.security-grid article{display:grid;grid-template-columns:38px 1fr;column-gap:15px}.security-grid h3{margin-top:0}.security-grid p{grid-column:2}.footer-top,.footer-bottom{flex-direction:column;align-items:flex-start}.faq-wrap{gap:25px}html{scroll-padding-top:155px}}
@media(max-width:520px){.container{width:calc(100% - 28px)}.header-inner{gap:12px}.menu-toggle{display:block;margin-left:auto}.site-search{order:4;max-width:none}.top-nav{display:none}.top-nav.is-open{display:flex}.bento{gap:12px}.hero-main{padding:24px}.hero-small{padding:16px}.hero-small h2{font-size:15px}.metric{font-size:20px}.hero-strip{flex-direction:column;align-items:flex-start;padding:20px}.hero-strip .button{width:100%}.content-section{padding:27px 17px}h2{font-size:23px}.quick-answer{grid-template-columns:1fr}.compare-row{gap:10px;padding:13px 10px;font-size:12px;grid-template-columns:.8fr 1fr 1fr}.news-item{grid-template-columns:1fr 24px;gap:8px}.news-item>.badge{grid-column:1/-1;justify-self:start}.news-item h3{font-size:16px}.footer-links{gap:14px}.preference-form{padding:18px}.milestone{padding-right:12px}.button-row .button{flex:1;text-align:center}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}