:root{
color-scheme:light}
*{
box-sizing:border-box}
html{
scroll-behavior:smooth}
body{
margin:0;color:#17191d;background:#f7f8f6;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","微软雅黑",Arial,Helvetica,sans-serif;line-height:1.75}
a{
color:inherit}
img{
display:block;max-width:100%;height:auto}
.site-header{
background:#fff;border-bottom:1px solid #d9dce0;position:relative;z-index:10}
.header-inner,.hero-inner,.content-section,.inner-main,.footer-inner,.bottom-action{
width:min(1180px,calc(100% - 40px));margin:0 auto}
.header-inner{
height:72px;display:flex;align-items:center;justify-content:space-between}
.brand{
display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:800}
.brand img{
border-radius:4px}
.site-nav{
display:flex;align-items:center;gap:26px}
.site-nav a{
text-decoration:none;font-size:14px;font-weight:700}
.site-nav a.active{
color:var(--accent)}
.site-nav .download-link,.primary-button{
background:var(--accent);color:#fff;padding:11px 20px;text-decoration:none;font-weight:800;border:2px solid var(--accent);display:inline-flex;align-items:center;justify-content:center}
.menu-toggle{
display:none;width:42px;height:42px;border:1px solid #bbb;background:#fff;padding:9px}
.menu-toggle span{
display:block;height:2px;background:#111;margin:5px 0}
.hero{
background:#fff;border-bottom:1px solid #d9dce0;overflow:hidden}
.hero-inner{
min-height:660px;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(420px,.95fr);align-items:center;gap:70px;padding:48px 0 44px}
.eyebrow,.page-intro span,.bottom-action span{
font-size:12px;font-weight:900;color:var(--accent-2)}
h1,h2,h3,p{
margin-top:0}
h1{
font-size:clamp(42px,5vw,70px);line-height:1.08;margin:18px 0 22px;letter-spacing:0;max-width:11em}
.hero-copy>p{
font-size:17px;max-width:38em;color:#454a52}
.hero-actions{
display:flex;align-items:center;gap:22px;margin:28px 0}
.text-link{
font-weight:800;color:var(--accent-2)}
.hero-facts{
display:grid;grid-template-columns:1fr 1fr;margin:32px 0 0;border-top:1px solid #cfd3d8}
.hero-facts div{
padding:14px 16px 0 0}
.hero-facts dt{
font-size:12px;color:#6b717a}
.hero-facts dd{
margin:3px 0;font-weight:800}
.hero-media{
min-height:540px;position:relative;display:grid;grid-template-rows:minmax(0,1fr) auto;place-items:center;background:var(--support);border:2px solid #17191d;overflow:hidden}
.hero-screen{
width:auto;max-width:250px;max-height:430px;object-fit:contain;position:relative;z-index:2;box-shadow:16px 18px 0 rgba(0,0,0,.14)}
.media-label{
position:absolute;left:18px;top:18px;font-size:11px;font-weight:900;writing-mode:vertical-rl}
.media-note{
position:relative;width:100%;background:#fff;border-top:2px solid #17191d;padding:12px 15px;font-size:12px;z-index:3}
.variant-ledger .hero-media{
background:linear-gradient(90deg,var(--support) 0 30%,#fff 30% 70%,var(--accent-2) 70%)}
.variant-ledger .hero-screen{
transform:translateX(-28px)}
.variant-ribbon .hero-media:before{
content:"";position:absolute;width:150%;height:80px;background:var(--accent);transform:rotate(-15deg)}
.variant-ribbon .hero-screen{
transform:translateX(28px)}
.variant-stacked .hero-media{
background:#fff}
.variant-stacked .hero-media:after{
content:"SUMMARYA TAGA CHAPTER";white-space:pre;position:absolute;right:14px;top:70px;font-weight:900;line-height:2.6;color:var(--accent-2)}
.variant-stacked .hero-screen{
transform:translateX(-35px)}
.variant-console .hero-media{
background:var(--accent-2);border-width:10px;border-color:#1b1d22}
.variant-console .hero-screen{
box-shadow:0 0 0 14px var(--support),16px 18px 0 rgba(0,0,0,.28)}
.content-section{
padding:82px 0;border-bottom:1px solid #d9dce0}
.section-heading{
display:flex;align-items:center;gap:18px;margin-bottom:24px}
.section-heading span{
font-size:12px;font-weight:900;background:var(--support);padding:5px 10px}
.section-heading h2{
font-size:34px;line-height:1.2;margin:0}
.section-intro{
max-width:760px;color:#4c525b;margin-bottom:34px}
.info-grid,.feature-list,.route-layout{
display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.info-grid article,.route-layout>div{
border-top:4px solid var(--accent);background:#fff;padding:26px}
.info-grid p,.route-layout p,.feature-list p{
margin-bottom:0;color:#4b5058}
.showcase-section{
width:100%;padding-left:max(20px,calc((100% - 1180px)/2));padding-right:max(20px,calc((100% - 1180px)/2));background:#181a1e;color:#fff}
.showcase-grid{
display:grid;grid-template-columns:repeat(3,1fr);gap:28px;align-items:end}
.showcase-grid figure{
margin:0;display:grid;justify-items:center}
.showcase-grid img{
max-width:280px;max-height:498px;object-fit:contain;border:8px solid #fff}
.showcase-grid figcaption{
margin-top:14px;font-size:13px;color:#cfd4dc}
.feature-list{
grid-template-columns:repeat(4,1fr)}
.feature-list article{
border-left:2px solid var(--accent-2);padding-left:18px}
.feature-list b{
font-size:18px}
.route-layout>div:nth-child(2){
margin-top:34px}
.route-layout>div:nth-child(3){
margin-top:68px}
.faq-bridge{
background:var(--support);border:2px solid #17191d;padding:32px;display:flex;align-items:center;justify-content:space-between;gap:30px}
.faq-bridge p{
margin:0;max-width:700px}
.outline-button{
border:2px solid #17191d;padding:10px 18px;text-decoration:none;font-weight:800;white-space:nowrap}
.bottom-action{
margin-top:72px;margin-bottom:72px;padding:34px 38px;background:var(--accent-2);color:#fff;display:flex;align-items:center;justify-content:space-between;gap:30px}
.bottom-action h2{
margin:6px 0}
.bottom-action div div{
color:#e3e7eb}
.site-footer{
background:#15171a;color:#fff;padding:42px 0}
.footer-inner{
text-align:center}
.footer-brand{
display:flex;align-items:center;justify-content:center;gap:10px}
.footer-inner p{
margin:12px auto 0;max-width:850px;color:#c4c8ce;font-size:13px}
.inner-main{
padding-top:56px}
.page-intro{
background:#fff;border-top:8px solid var(--accent);display:flex;align-items:center;justify-content:space-between;gap:30px;padding:44px;margin-bottom:42px}
.page-intro h1{
font-size:45px;margin:8px 0 12px}
.page-intro p{
margin:0;color:#525862}
.guide-layout{
display:grid;grid-template-columns:230px minmax(0,1fr);gap:42px}
.guide-index{
position:sticky;top:20px;align-self:start;background:#fff;border:1px solid #d9dce0;padding:22px;display:grid;gap:10px}
.guide-index a{
text-decoration:none;color:#4a5058}
.guide-index strong{
margin-bottom:7px}
.guide-content{
display:grid;gap:22px}
.guide-content>section{
position:relative;background:#fff;border-left:5px solid var(--accent-2);padding:32px}
.guide-content h2{
font-size:27px}
.guide-content p:last-child{
margin-bottom:0}
.step-no{
position:absolute;right:24px;top:16px;font-size:42px;font-weight:900;color:#e6e9ec}
.faq-layout{
display:grid;grid-template-columns:300px minmax(0,1fr);gap:34px}
.faq-summary{
align-self:start;background:var(--support);border:2px solid #17191d;padding:26px;position:sticky;top:20px}
.faq-summary a{
font-weight:800;color:var(--accent-2)}
.faq-list{
display:grid;gap:10px}
.faq-list details{
background:#fff;border:1px solid #ced2d7}
.faq-list summary{
cursor:pointer;padding:20px 22px;font-weight:800;display:flex;gap:16px;list-style:none}
.faq-list summary span{
color:var(--accent)}
.faq-list details>div{
padding:0 22px 22px 58px;color:#4d535b}
.support-notes{
margin-top:54px}
.support-notes>div{
display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.support-notes article{
background:#fff;padding:24px;border-top:4px solid var(--accent)}
.support-notes p{
margin:0}
.site-nav.open{
display:flex}
@media(max-width:800px){
.header-inner,.hero-inner,.content-section,.inner-main,.footer-inner,.bottom-action{
width:min(100% - 28px,1180px)}
.header-inner{
height:64px}
.brand img{
width:38px;height:38px}
.menu-toggle{
display:block}
.site-nav{
display:none;position:absolute;top:64px;left:14px;right:14px;background:#fff;border:1px solid #ccd0d5;padding:18px;flex-direction:column;align-items:stretch;gap:8px}
.site-nav a{
padding:8px}
.hero-inner{
min-height:auto;grid-template-columns:1fr;gap:20px;padding:22px 0 20px}
.hero-copy{
order:1}
.hero-media{
order:2;min-height:260px;max-height:280px}
.hero-screen{
max-width:150px;max-height:205px;box-shadow:8px 9px 0 rgba(0,0,0,.14)}
h1{
font-size:36px;max-width:none;margin:10px 0 12px}
.hero-copy>p{
font-size:14px;line-height:1.55}
.hero-actions{
margin:16px 0}
.hero-facts{
display:none}
.media-note{
padding:7px 10px;font-size:10px}
.content-section{
padding:56px 0}
.section-heading h2{
font-size:29px}
.info-grid,.feature-list,.route-layout,.showcase-grid,.support-notes>div{
grid-template-columns:1fr}
.route-layout>div:nth-child(n){
margin-top:0}
.showcase-grid{
gap:20px}
.showcase-grid img{
max-width:230px;max-height:410px}
.faq-bridge,.bottom-action,.page-intro{
align-items:flex-start;flex-direction:column}
.bottom-action{
margin-top:44px;margin-bottom:44px}
.page-intro{
padding:28px}
.page-intro h1{
font-size:36px}
.guide-layout,.faq-layout{
grid-template-columns:1fr}
.guide-index,.faq-summary{
position:static}
.guide-content>section{
padding:26px 22px}
.step-no{
font-size:30px}
.faq-list details>div{
padding-left:22px}
.variant-ledger .hero-screen,.variant-ribbon .hero-screen,.variant-stacked .hero-screen{
transform:none}
}
@media(max-width:420px){
.hero-actions{
align-items:center;flex-direction:row}
.hero-actions .primary-button{
padding:9px 15px}
.primary-button{
text-align:center}
.hero-media{
min-height:250px}
.info-grid article,.route-layout>div{
padding:22px}
.section-heading{
align-items:flex-start}
.section-heading h2{
font-size:27px}
}