:root{
    --bg:#0D0D0D;--deep:#070707;--panel:#171717;--sub:#222222;--title:#F2F2F2;--text:#C8C8C8;--muted:#9A9A9A;--soft:#6E6E6E;--silver:#C8C8C8;--bright:#E8E8E8;--ink:#1A1A1A;--red:#B85A5A;--line:rgba(232,232,232,.12);--line-strong:rgba(232,232,232,.36);--shadow:0 12px 28px rgba(0,0,0,.45);--max:1120px;--head:122px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:hidden}body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}body.ui-locked{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}button{color:inherit}img{max-width:100%;display:block}.shell{width:min(var(--max),calc(100% - 32px));margin:0 auto}.skip-link{position:fixed;left:16px;top:-80px;z-index:500;background:var(--bright);color:var(--bg);padding:8px 12px;border-radius:8px}.skip-link:focus{top:8px}.site-head{position:fixed;inset:0 0 auto 0;z-index:200}.ink-line{height:22px;background:var(--deep);border-bottom:1px solid var(--line);font-size:12px}.ink-inner{height:22px;display:flex;align-items:center;justify-content:space-between}.ink-brand{letter-spacing:.08em;color:var(--silver)}.text-control,.close-control{appearance:none;border:0;background:transparent;color:var(--bright);min-width:44px;min-height:44px;padding:0 6px;cursor:pointer}.material-bar{height:60px;background:var(--ink);border-bottom:1px solid var(--line)}.material-inner{height:60px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px}.brand-link{justify-self:start;min-height:44px;display:flex;align-items:center;font-weight:700;color:var(--bright)}.brand-link img,.footer-logo img,.drawer-brand img{height:28px;width:auto;max-width:180px;object-fit:contain}.drawer-trigger,.app-link{min-height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:10px;font-size:14px}.drawer-trigger{justify-self:center;min-width:88px;border:1px solid var(--line-strong);background:#111;color:var(--bright);cursor:pointer}.app-link{justify-self:end;padding:0 18px;background:linear-gradient(135deg,#E8E8E8 0%,#C8C8C8 55%,#8A8A8A 100%);color:#0D0D0D;font-weight:700}.case-tabs{height:40px;background:#101010;border-bottom:1px solid var(--line)}.case-tabs-inner{height:40px;display:flex;justify-content:center;align-items:center;gap:8px}.case-tabs a{height:32px;min-width:92px;padding:0 20px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--silver)}.case-tabs a.is-current{background:var(--bright);color:var(--bg);font-weight:700}.site-main{padding-top:calc(var(--head) + 28px);min-height:70vh}.page-wrap{padding:0 0 56px}.hero-simple{padding:26px 0 18px;border-bottom:1px solid var(--line)}.eyebrow{margin:0 0 6px;color:var(--red);font-size:13px;letter-spacing:.08em}.hero-simple h1,.home-title h1{margin:0;color:var(--title);font-size:24px;line-height:1.3}.lead{max-width:820px;margin:12px 0 0;color:var(--text)}h2{font-size:20px;line-height:1.35;color:var(--title);margin:0 0 12px}h3{font-size:16px;line-height:1.45;color:var(--title);margin:0 0 8px}p{margin:0 0 12px}.section{padding:32px 0;border-bottom:1px solid var(--line)}.section:last-child{border-bottom:0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:18px}.section-head p{color:var(--muted);max-width:640px;margin:0}.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.card-grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:18px;box-shadow:var(--shadow)}.card p:last-child{margin-bottom:0}.card small,.meta{color:var(--muted)}.media-slot{width:100%;height:200px;border:1px solid var(--line);border-radius:12px;background:var(--ink);display:flex;align-items:center;justify-content:center;overflow:hidden}.media-slot img{width:100%;height:100%;object-fit:contain;object-position:center}.media-slot.short{height:180px}.media-slot.banner{height:260px}.media-slot.tall{height:360px;max-width:460px;margin:0 auto}.home-cover{padding-bottom:32px;border-bottom:1px solid var(--line)}.home-title{padding:18px 0 0}.home-title .brand-mark{font-size:16px;color:var(--bright);font-weight:700}.home-title .hero-copy{max-width:800px;margin-top:10px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}.btn{height:42px;min-width:128px;padding:0 18px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;border:1px solid transparent}.btn.primary{background:linear-gradient(135deg,#E8E8E8 0%,#C8C8C8 55%,#8A8A8A 100%);color:#0D0D0D}.btn.secondary{background:#111;border-color:var(--line-strong);color:var(--bright)}a:hover{color:var(--bright)}.btn.primary:hover{filter:brightness(1.06);color:#0D0D0D}.btn.secondary:hover{border-color:var(--bright)}a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--bright);outline-offset:3px}.number-list{display:grid;gap:12px}.number-row{display:grid;grid-template-columns:58px 1fr;gap:16px;align-items:start;padding:16px;background:var(--panel);border:1px solid var(--line);border-radius:12px}.big-no{font-size:24px;line-height:1;color:var(--bright);font-weight:800}.shelf{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.shelf-item{padding:16px 18px;background:var(--panel);border-left:3px solid var(--silver);border-radius:0 10px 10px 0}.timeline{position:relative;padding-left:34px}.timeline:before{content:"";position:absolute;left:10px;top:6px;bottom:8px;width:1px;background:var(--line-strong)}.timeline-item{position:relative;padding:0 0 24px 8px}.timeline-item:before{content:"";position:absolute;left:-30px;top:8px;width:9px;height:9px;border-radius:50%;background:var(--bright);box-shadow:0 0 0 5px #0D0D0D}.status{display:inline-flex;margin-bottom:6px;padding:2px 8px;border-radius:999px;border:1px solid var(--line-strong);font-size:12px;color:var(--bright)}.memo-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.memo{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:18px;min-height:180px}.method-steps{counter-reset:step;display:grid;gap:14px}.method-steps article{counter-increment:step;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:18px 18px 18px 70px;position:relative}.method-steps article:before{content:counter(step,decimal-leading-zero);position:absolute;left:18px;top:18px;font-weight:800;color:var(--bright);font-size:20px}.list-board{display:grid;gap:12px}.list-board article{display:grid;grid-template-columns:160px 1fr;gap:20px;padding:16px 18px;background:var(--panel);border:1px solid var(--line);border-radius:12px}.list-board strong{color:var(--bright)}.legal-blocks{display:grid;gap:14px}.legal-blocks section{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:20px}.faq-list{display:grid;gap:12px}.faq-item{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:18px}.faq-item h2{font-size:16px;margin-bottom:8px}.two-column{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(280px,.9fr);gap:24px;align-items:start}.note{padding:14px 16px;background:var(--sub);border-left:3px solid var(--red);border-radius:0 10px 10px 0}.note-gap{margin-top:14px}.app-mini{display:flex;align-items:center;gap:12px;margin-bottom:14px}.app-mini-icon{width:48px;height:48px;object-fit:contain}.app-mini-title{margin:0}
.site-footer{background:var(--deep);border-top:1px solid var(--line);padding:34px 0 80px;color:var(--silver);font-size:13px}.footer-grid{display:grid;grid-template-columns:240px 1fr;gap:36px}.footer-brand{padding-right:20px}.footer-logo{display:inline-flex;min-height:44px;align-items:center;color:var(--bright)}.footer-en{color:var(--muted);letter-spacing:.12em;margin-top:6px}.footer-links{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}.footer-links div{display:grid;align-content:start;gap:7px}.footer-links strong{color:var(--bright);margin-bottom:4px}.footer-links a{color:var(--muted);min-height:44px;display:flex;align-items:center}.footer-notice{margin-top:28px;padding-top:20px;border-top:1px solid var(--line);color:var(--muted)}.footer-copy{margin-top:12px;color:var(--soft)}.site-overlay{position:fixed;inset:0;background:rgba(0,0,0,.72);z-index:280;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.site-overlay.is-visible{opacity:1;visibility:visible;pointer-events:auto}.material-drawer{position:fixed;left:0;top:0;bottom:0;width:400px;max-width:86vw;background:#0B0B0B;border-right:1px solid var(--line-strong);z-index:320;transform:translateX(-101%);visibility:hidden;pointer-events:none;transition:transform .22s ease,visibility .22s}.material-drawer.is-open{transform:translateX(0);visibility:visible;pointer-events:auto}.drawer-head{height:72px;display:flex;align-items:center;justify-content:space-between;padding:0 18px;border-bottom:1px solid var(--line)}.drawer-brand{display:flex;align-items:center;gap:10px;color:var(--bright)}.drawer-scroll{height:calc(100vh - 72px);overflow:auto;padding:14px 18px 30px}.drawer-group{padding:12px 0;border-bottom:1px solid var(--line)}.drawer-group:last-child{border-bottom:0}.drawer-group h2{font-size:13px;color:var(--muted);margin:0 0 8px}.drawer-group a{display:grid;grid-template-columns:74px 1fr;gap:8px;padding:9px 8px;border-radius:8px}.drawer-group a:hover{background:var(--panel)}.drawer-group b{color:var(--bright);font-size:14px}.drawer-group span{font-size:12px;color:var(--muted);line-height:1.55}.search-layer{position:fixed;left:0;right:0;top:82px;z-index:310;visibility:hidden;opacity:0;pointer-events:none;transform:translateY(-8px);transition:.18s}.search-layer.is-open{visibility:visible;opacity:1;pointer-events:auto;transform:translateY(0)}.search-card{width:min(720px,calc(100% - 32px));margin:0 auto;background:var(--ink);border:1px solid var(--line-strong);border-radius:0 0 14px 14px;padding:20px;box-shadow:var(--shadow)}.search-head{display:flex;justify-content:space-between;gap:20px;align-items:start}.search-head strong{color:var(--bright);font-size:16px}.search-head p{font-size:13px;color:var(--muted);margin:2px 0 0}.search-label{display:block;margin:14px 0 6px;font-size:12px;color:var(--muted)}.search-input{width:100%;height:44px;border:1px solid var(--line-strong);border-radius:9px;background:#0F0F0F;color:var(--bright);padding:0 12px}.search-presets{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:12px}.search-presets a{display:flex;justify-content:space-between;gap:12px;padding:10px 12px;background:var(--panel);border:1px solid var(--line);border-radius:8px}.search-presets span{color:var(--muted);font-size:12px}.search-empty{margin:12px 0 0;color:var(--muted);font-size:13px}.mobile-dock{display:none}
@media(max-width:820px){
    :root{--head:82px}.case-tabs{display:none}.site-main{padding-top:calc(var(--head) + 18px);padding-bottom:54px}.material-inner{grid-template-columns:1fr auto 1fr;gap:8px}.brand-link img{max-width:120px}.drawer-trigger{min-width:72px}.app-link{padding:0 12px}.card-grid,.card-grid.two,.shelf,.memo-grid,.two-column{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.footer-links{grid-template-columns:repeat(2,minmax(0,1fr))}.section{padding:26px 0}.section-head{display:block}.section-head p{margin-top:8px}.list-board article{grid-template-columns:1fr;gap:6px}.media-slot.banner{height:260px}.search-layer{inset:0;top:0;background:var(--deep);padding:14px 0;overflow:auto}.search-card{width:calc(100% - 32px);border-radius:12px;margin:56px auto 80px}.search-presets{grid-template-columns:1fr}.material-drawer{max-width:86vw}.mobile-dock{position:fixed;left:0;right:0;bottom:0;z-index:210;height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);display:grid;grid-template-columns:repeat(5,1fr);background:#090909;border-top:1px solid var(--line)}.mobile-dock a{min-width:0;height:48px;display:flex;align-items:center;justify-content:center;font-size:12px;color:var(--silver)}.mobile-dock a.is-current{background:var(--bright);color:var(--bg);font-weight:700}.site-footer{padding-bottom:90px}.number-row{grid-template-columns:48px 1fr}.footer-links{gap:16px}.ink-brand{max-width:70vw;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}}
@media(max-width:520px){.shell{width:calc(100% - 32px)}.media-slot.short{height:180px}.media-slot.banner{height:260px}.media-slot.tall{height:340px}.footer-links{grid-template-columns:1fr 1fr}.drawer-group a{grid-template-columns:68px 1fr}.home-title h1,.hero-simple h1{font-size:24px}.section-head h2{font-size:20px}.material-drawer{width:86vw}.brand-link{font-size:16px}}