*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#0D0D0D;color:#C8C8C8;font:15px/1.7 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;overflow-x:hidden}body.locked{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}button{color:inherit}.skip-link{position:fixed;left:16px;top:-80px;z-index:1000;background:#E8E8E8;color:#0D0D0D;padding:8px 14px;border-radius:8px}.skip-link:focus{top:8px}.site-top{position:fixed;inset:0 0 auto 0;z-index:100}.ink-line{height:22px;background:#070707;border-bottom:1px solid rgba(232,232,232,.12);font-size:12px}.top-shell,.content-shell,.tabs-inner{width:min(1120px,calc(100% - 32px));margin:0 auto}.top-shell{height:100%;display:flex;align-items:center;justify-content:space-between}.ink-brand{letter-spacing:.08em}.text-button,.drawer-trigger,.close-button{appearance:none;border:0;background:transparent;cursor:pointer}.top-search-button{min-height:22px;padding:0 4px;color:#E8E8E8}.material-bar{height:60px;background:#1A1A1A;border-bottom:1px solid rgba(232,232,232,.12)}.material-inner{display:grid;grid-template-columns:1fr auto 1fr;gap:16px}.brand-link{justify-self:start;display:flex;align-items:center;min-height:44px}.brand-logo,.drawer-logo,.footer-logo{height:28px;max-width:160px;object-fit:contain;object-position:center}.brand-fallback{font-size:16px;font-weight:700;color:#F2F2F2;letter-spacing:.08em}.drawer-trigger{min-width:76px;height:44px;border:1px solid rgba(232,232,232,.36);border-radius:10px;background:#171717;color:#E8E8E8}.app-entry{justify-self:end;display:inline-flex;align-items:center;min-height:44px;padding:0 14px;border:1px solid rgba(232,232,232,.12);border-radius:10px;color:#E8E8E8}.case-tabs{height:40px;background:#0D0D0D;border-bottom:1px solid rgba(232,232,232,.12)}.tabs-inner{height:100%;display:flex;align-items:stretch;justify-content:center;gap:8px}.tabs-inner a{display:flex;align-items:center;justify-content:center;min-width:96px;padding:0 20px;font-size:13px}.tabs-inner a.active{background:#C8C8C8;color:#0D0D0D}.site-main{padding-top:122px;padding-bottom:44px;min-height:70vh}.page-hero{padding:48px 0 26px}.eyebrow{margin:0 0 8px;color:#9A9A9A;font-size:12px;letter-spacing:.16em;text-transform:uppercase}.page-hero h1,.cover-copy h1{margin:0;color:#F2F2F2;font-size:24px;line-height:1.3}.lede{max-width:820px;margin:14px 0 0;color:#C8C8C8}.section{padding:22px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:16px}.section h2,.article-card h2,.footer-column h2,.drawer-group h2,.search-head h2{margin:0;color:#F2F2F2;font-size:20px}.section h3,.article-card h3{margin:0 0 8px;color:#E8E8E8;font-size:16px}.muted{color:#9A9A9A}.aux{color:#6E6E6E}.cover-slot,.image-slot{width:100%;background:#1A1A1A;border:1px solid rgba(232,232,232,.12);border-radius:14px;display:flex;align-items:center;justify-content:center;overflow:hidden}.cover-slot{height:260px}.image-slot{height:180px}.image-slot.tall{height:200px}.image-slot.app-visual{height:360px}.cover-slot img,.image-slot img{width:100%;height:100%;object-fit:contain;object-position:center}.cover-copy{padding:22px 0 10px}.cover-copy p{max-width:860px;margin:12px 0 0}.button-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;border-radius:10px;font-size:14px;white-space:nowrap;border:1px solid transparent}.btn.primary{background:linear-gradient(135deg,#E8E8E8 0%,#C8C8C8 55%,#8A8A8A 100%);color:#0D0D0D;font-weight:700}.btn.secondary{background:#171717;border-color:rgba(232,232,232,.36);color:#E8E8E8}.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.card,.article-card,.note-box,.shelf-item,.faq-item,.timeline-item,.number-card{background:#171717;border:1px solid rgba(232,232,232,.12);border-radius:12px;box-shadow:0 12px 28px rgba(0,0,0,.45)}.card{padding:14px}.card .image-slot{margin-bottom:14px}.card p{margin:8px 0 0}.article-card{padding:22px;margin-bottom:16px}.article-card p{margin:10px 0}.numbered-feature{display:grid;grid-template-columns:180px 1fr;gap:18px;align-items:stretch}.number-stack{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.number-chip{background:#222;border:1px solid rgba(232,232,232,.12);border-radius:10px;padding:14px;color:#E8E8E8}.number-chip strong{display:block;font-size:22px;color:#F2F2F2}.shelf{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.shelf-item{padding:16px}.shelf-item .tag,.status-badge{display:inline-flex;align-items:center;min-height:28px;padding:0 9px;border:1px solid rgba(232,232,232,.12);border-radius:999px;color:#E8E8E8;font-size:12px}.big-number-list{display:grid;gap:12px}.number-card{display:grid;grid-template-columns:74px 1fr;gap:18px;padding:18px}.number-card .num{font-size:34px;line-height:1;color:#E8E8E8}.timeline{position:relative;margin-left:10px;padding-left:28px;border-left:1px solid rgba(232,232,232,.36)}.timeline-item{position:relative;margin:0 0 16px;padding:16px}.timeline-item::before{content:"";position:absolute;left:-35px;top:24px;width:12px;height:12px;border-radius:50%;background:#C8C8C8;border:3px solid #0D0D0D}.memo-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.note-box{padding:18px}.app-grid{display:grid;grid-template-columns:minmax(240px,360px) 1fr;gap:24px;align-items:start}.app-icon-line{display:flex;align-items:center;gap:12px;margin-bottom:12px}.app-icon-line img{width:48px;height:48px;object-fit:contain}.prose{max-width:900px}.prose p{margin:0 0 14px}.prose ul,.prose ol{padding-left:20px}.prose li{margin:7px 0}.policy-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.contact-options{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.faq-list{display:grid;gap:12px}.faq-item{padding:18px}.faq-item h2{margin:0 0 8px;color:#F2F2F2;font-size:16px}.faq-item p{margin:0}.screen-overlay{position:fixed;inset:0;z-index:180;background:rgba(0,0,0,.72);visibility:hidden;opacity:0;pointer-events:none;transition:opacity .2s ease,visibility .2s ease}.screen-overlay.open{visibility:visible;opacity:1;pointer-events:auto}.material-drawer{position:fixed;z-index:220;inset:0 auto 0 0;width:min(400px,86vw);background:#0D0D0D;border-right:1px solid rgba(232,232,232,.36);transform:translateX(-103%);visibility:hidden;pointer-events:none;transition:transform .24s ease,visibility .24s ease;display:flex;flex-direction:column}.material-drawer.open{transform:translateX(0);visibility:visible;pointer-events:auto}.drawer-head{height:72px;padding:0 16px;border-bottom:1px solid rgba(232,232,232,.12);display:flex;align-items:center;justify-content:space-between;background:#171717}.drawer-brand{display:flex;align-items:center;gap:10px;font-weight:700;color:#F2F2F2}.close-button{min-height:44px;padding:0 12px;border:1px solid rgba(232,232,232,.12);border-radius:10px}.drawer-scroll{overflow-y:auto;padding:14px 14px 30px}.drawer-group{margin-bottom:20px}.drawer-group h2{font-size:14px;margin-bottom:8px;color:#9A9A9A}.drawer-group a{display:grid;grid-template-columns:74px 1fr;gap:10px;padding:11px 8px;border-top:1px solid rgba(232,232,232,.12)}.drawer-group strong{color:#E8E8E8}.drawer-group span{font-size:13px;color:#9A9A9A}.search-layer{position:fixed;z-index:210;top:82px;left:50%;width:min(760px,calc(100% - 32px));transform:translate(-50%,-18px);background:#1A1A1A;border:1px solid rgba(232,232,232,.36);border-radius:0 0 14px 14px;padding:20px;box-shadow:0 12px 28px rgba(0,0,0,.45);visibility:hidden;opacity:0;pointer-events:none;transition:opacity .2s ease,transform .2s ease,visibility .2s ease}.search-layer.open{visibility:visible;opacity:1;pointer-events:auto;transform:translate(-50%,0)}.search-head{display:flex;align-items:start;justify-content:space-between;gap:20px}.search-head h2{font-size:18px}.search-field-wrap{display:grid;gap:6px;margin-top:16px;font-size:13px;color:#9A9A9A}.search-field-wrap input{width:100%;min-height:44px;border:1px solid rgba(232,232,232,.36);border-radius:10px;background:#0D0D0D;color:#E8E8E8;padding:0 12px;outline:none}.preset-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}.preset-links a{display:inline-flex;align-items:center;min-height:40px;padding:0 14px;border:1px solid rgba(232,232,232,.12);border-radius:999px;background:#171717}.site-footer{background:#070707;border-top:1px solid rgba(232,232,232,.12);padding:34px 0 28px}.footer-grid{display:grid;grid-template-columns:1.6fr repeat(4,1fr);gap:24px}.footer-brand-block{display:flex;flex-direction:column;align-items:flex-start;gap:7px}.footer-brand-block strong{color:#F2F2F2}.footer-brand-block span{font-size:13px;color:#9A9A9A}.footer-brand{min-height:44px;display:flex;align-items:center}.footer-column{display:flex;flex-direction:column;gap:5px}.footer-column h2{font-size:13px;margin-bottom:5px;color:#E8E8E8}.footer-column a{font-size:13px;color:#C8C8C8}.footer-notice{border-top:1px solid rgba(232,232,232,.12);margin-top:24px;padding-top:18px;font-size:13px;color:#9A9A9A}.footer-notice p{margin:6px 0}.mobile-bottom{display:none}.btn:hover,.app-entry:hover,.drawer-trigger:hover,.preset-links a:hover,.footer-column a:hover,.drawer-group a:hover{border-color:rgba(232,232,232,.36);color:#F2F2F2}.btn:focus-visible,.app-entry:focus-visible,.drawer-trigger:focus-visible,.text-button:focus-visible,.close-button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid #E8E8E8;outline-offset:3px}@media(max-width:860px){.card-grid,.contact-options{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1.4fr repeat(2,1fr)}.numbered-feature,.app-grid{grid-template-columns:1fr}.policy-grid{grid-template-columns:1fr}.site-main{padding-bottom:84px}}@media(max-width:640px){body{font-size:15px}.case-tabs{display:none}.site-main{padding-top:82px;padding-bottom:86px}.top-shell,.content-shell,.tabs-inner{width:calc(100% - 32px)}.material-inner{grid-template-columns:1fr auto 1fr;gap:8px}.brand-logo{max-width:108px}.brand-fallback{font-size:15px}.drawer-trigger{min-width:68px}.app-entry{padding:0 8px;font-size:13px}.page-hero{padding:34px 0 20px}.cover-slot{height:260px}.card-grid,.shelf,.memo-grid,.contact-options{grid-template-columns:1fr}.number-stack{grid-template-columns:1fr 1fr}.number-card{grid-template-columns:58px 1fr;gap:12px}.number-card .num{font-size:28px}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand-block{grid-column:1/-1}.mobile-bottom{position:fixed;z-index:140;left:0;right:0;bottom:0;display:grid;grid-template-columns:repeat(5,1fr);height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#070707;border-top:1px solid rgba(232,232,232,.12)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;min-width:0;font-size:12px}.mobile-bottom a.active{background:#C8C8C8;color:#0D0D0D}.search-layer{inset:0;width:100%;height:100%;transform:none;border:0;border-radius:0;padding:calc(22px + env(safe-area-inset-top)) 16px 70px;background:#0D0D0D;overflow-y:auto}.search-layer.open{transform:none}.search-head{padding-top:6px}.preset-links{display:grid;grid-template-columns:1fr 1fr}.preset-links a{justify-content:center;border-radius:10px}.drawer-scroll{padding-bottom:80px}}@media(max-width:420px){.footer-grid{grid-template-columns:1fr}.number-stack{grid-template-columns:1fr}.material-inner{gap:6px}.brand-logo{max-width:86px}.app-entry{font-size:12px;padding:0 6px}.drawer-trigger{min-width:60px}.ink-brand{font-size:11px}}

.mt-14{margin-top:14px}.mt-16{margin-top:16px}.mt-18{margin-top:18px}