:root{
  --bg:#F4F6FF;--deep:#E4E8F6;--card:#FBFBFF;--soft:#EEF0FA;--title:#1E1A2A;--text:#2E2A3A;--sub:#5A5668;--muted:#7A7688;
  --coral:#E07070;--gold:#E0B050;--mint:#70C090;--sky:#70A8D8;--violet:#A080D0;--white:#FBFBFF;
  --border:rgba(30,26,42,.12);--focus:rgba(160,128,208,.48);--shadow:0 12px 28px rgba(30,26,42,.08);--max:980px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:"Noto Sans SC","Microsoft YaHei","PingFang SC",Arial,sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden;padding-bottom:0}.ui-locked{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}.rain-edge{position:fixed;left:0;top:0;bottom:0;width:6px;background:linear-gradient(var(--coral) 0 20%,var(--gold) 20% 40%,var(--mint) 40% 60%,var(--sky) 60% 80%,var(--violet) 80% 100%);z-index:120}.top-stack{position:fixed;top:0;left:0;right:0;z-index:100}.microbar{height:20px;background:var(--white);display:flex;align-items:center;justify-content:space-between;padding:0 max(16px,calc((100% - var(--max))/2));font-size:12px;border-bottom:1px solid var(--border)}.microbrand{font-weight:700}.search-open{border:0;background:transparent;color:var(--sub);height:20px;padding:0 4px}.sitehead{height:54px;background:var(--white);border-bottom:1px solid rgba(160,128,208,.35);display:flex;align-items:center;justify-content:space-between;padding:0 max(16px,calc((100% - var(--max))/2))}.brand-home{min-height:44px;display:flex;align-items:center}.brand-logo,.mega-logo,.footer-logo{height:24px;width:auto;max-width:180px;object-fit:contain;object-position:center}.brand-text{font-weight:800;font-size:16px;letter-spacing:.03em}.head-actions{display:flex;align-items:center;gap:8px}.app-link,.menu-open{min-height:44px;padding:0 14px;border-radius:9px;display:inline-flex;align-items:center;justify-content:center;font-size:14px}.app-link{background:linear-gradient(90deg,var(--sky),var(--violet));color:var(--white)}.menu-open{border:1px solid var(--violet);background:var(--white);color:var(--title)}.ringnav{height:52px;background:var(--white);border-bottom:1px solid var(--border);display:flex;justify-content:center;align-items:center;gap:32px}.ringitem{display:flex;align-items:center;gap:8px;font-size:13px;min-height:44px}.ringnum{width:22px;height:22px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;color:var(--title);border:1px solid transparent}.coral{background:var(--coral)}.gold{background:var(--gold)}.mint{background:var(--mint)}.sky{background:var(--sky)}.violet{background:var(--violet)}.ringitem.is-current .ringnum{outline:2px solid var(--title);outline-offset:2px}.site-main{padding-top:150px}.wrap{width:min(var(--max),calc(100% - 32px));margin:0 auto}.section{padding:34px 0}.section + .section{border-top:1px solid var(--border)}h1,h2,h3{color:var(--title);margin:0 0 14px;font-weight:800}h1{font-size:24px;line-height:1.3}h2{font-size:20px;line-height:1.4}h3{font-size:16px;line-height:1.45}p{margin:0 0 14px}.lead{font-size:16px;color:var(--sub);max-width:780px}.eyebrow{font-size:12px;color:var(--muted);letter-spacing:.12em;text-transform:uppercase;margin-bottom:8px}.btn-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.btn{height:42px;display:inline-flex;align-items:center;justify-content:center;padding:0 18px;border-radius:9px;font-size:14px;white-space:nowrap;min-width:96px}.btn-primary{background:linear-gradient(90deg,var(--sky),var(--violet));color:var(--white)}.btn-secondary{background:var(--white);border:1px solid var(--violet);color:var(--title)}a:hover,.btn:hover{filter:brightness(.98)}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid var(--focus);outline-offset:2px}.index-chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px}.index-chips a{background:var(--white);border:1px solid var(--border);border-radius:999px;padding:7px 12px;font-size:13px}.hero-clean{padding:30px 0 36px}.content-card{background:var(--card);border:1px solid var(--border);border-radius:10px;box-shadow:var(--shadow);padding:22px}.image-slot{background:var(--white);border:1px solid var(--border);border-radius:10px;display:flex;align-items:center;justify-content:center;overflow:hidden}.image-slot img{width:100%;height:100%;object-fit:contain;object-position:center}.slant-block{position:relative;min-height:240px;padding:34px 38% 30px 24px;background:linear-gradient(135deg,var(--soft) 0 68%,var(--white) 68% 100%);border-radius:12px;overflow:hidden}.slant-image{position:absolute;right:0;top:0;width:36%;height:176px;clip-path:polygon(22% 0,100% 0,100% 100%,0 100%);padding-left:10px}.timeline{position:relative;padding-left:32px}.timeline:before{content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;background:var(--deep)}.time-item{position:relative;padding:0 0 26px}.time-item:before{content:"";position:absolute;left:-29px;top:8px;width:12px;height:12px;border-radius:50%;background:var(--violet);border:3px solid var(--bg)}.time-item:first-child:before{background:var(--coral)}.time-item:nth-child(2):before{background:var(--mint)}.timeline-media{height:180px;margin:10px 0 16px}.ring-cards{display:grid;grid-template-columns:1fr 1fr;gap:18px}.ring-card{position:relative;background:var(--white);border:1px solid var(--border);border-radius:50px 12px 12px 50px;padding:24px 22px 24px 84px;min-height:150px}.ring-card:before{content:"";position:absolute;left:20px;top:28px;width:42px;height:42px;border-radius:50%;border:8px solid var(--sky);background:var(--bg)}.ring-card:nth-child(2):before{border-color:var(--violet)}.ring-card .image-slot{height:160px;margin-top:12px;margin-left:-58px}.two-cards{display:grid;grid-template-columns:1fr 1fr;gap:18px}.archive-head{height:190px;margin-bottom:18px}.period-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.period-box{background:var(--white);border-top:5px solid var(--gold);padding:20px;border-radius:10px;box-shadow:var(--shadow)}.period-box:nth-child(2){border-color:var(--sky)}.period-box:nth-child(3){border-color:var(--violet)}.status-list{display:grid;gap:12px}.status-row{display:grid;grid-template-columns:120px 1fr;gap:16px;align-items:start;background:var(--white);border:1px solid var(--border);padding:16px;border-radius:10px}.status{font-weight:800;color:var(--title)}.app-showcase{text-align:center}.app-visuals{display:flex;align-items:center;justify-content:center;gap:16px;margin:18px auto;max-width:540px}.app-poster{height:300px;flex:1}.app-icon{width:86px;height:86px}.app-copy{text-align:left;max-width:720px;margin:0 auto}.faq-short{display:grid;gap:12px}.faq-short details{background:var(--white);border:1px solid var(--border);border-radius:9px;padding:14px 16px}.faq-short summary{font-weight:800;cursor:pointer}.page-head{padding:34px 0 24px}.page-head .lead{max-width:800px}.page-figure{height:220px;margin:18px 0}.single-flow{display:grid;gap:18px}.flow-block{background:var(--white);border-left:5px solid var(--sky);padding:20px;border-radius:0 10px 10px 0}.flow-block:nth-child(2n){border-color:var(--violet)}.memo-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}.memo-item{background:var(--white);padding:18px;border-radius:10px;border:1px solid var(--border)}.memo-item ul{margin:10px 0 0;padding-left:20px}.method-list{counter-reset:step;display:grid;gap:16px}.method-item{position:relative;background:var(--white);padding:20px 20px 20px 64px;border-radius:10px;border:1px solid var(--border)}.method-item:before{counter-increment:step;content:counter(step);position:absolute;left:20px;top:20px;width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--deep);font-weight:800}.topic-list{display:grid;gap:14px}.topic-row{display:grid;grid-template-columns:170px 1fr;gap:20px;background:var(--white);padding:18px;border-radius:10px;border:1px solid var(--border)}.center-cards{display:grid;gap:16px;max-width:760px;margin:0 auto}.center-card{text-align:center;background:var(--white);border:1px solid var(--border);border-radius:12px;padding:24px;box-shadow:var(--shadow)}.terms{display:grid;gap:18px}.term-block{background:var(--white);border:1px solid var(--border);border-radius:10px;padding:20px}.faq-full{display:grid;gap:14px}.faq-full article{background:var(--white);border:1px solid var(--border);padding:20px;border-radius:10px}.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.contact-card{background:var(--white);border:1px solid var(--border);padding:20px;border-radius:10px}.about-banner{height:200px;margin-bottom:22px}.site-footer{background:var(--title);color:var(--bg);margin-top:38px;padding:34px 0 78px;position:relative}.site-footer:before{content:"";position:absolute;left:0;top:0;bottom:0;width:6px;background:linear-gradient(var(--coral) 0 20%,var(--gold) 20% 40%,var(--mint) 40% 60%,var(--sky) 60% 80%,var(--violet) 80% 100%)}.footer-inner{width:min(var(--max),calc(100% - 32px));margin:0 auto;font-size:13px}.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:22px}.footer-brand strong{font-size:16px}.footer-groups{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}.footer-groups h2{font-size:14px;color:var(--white);margin-bottom:8px}.footer-groups a{display:block;color:#F4F6FF;margin:4px 0}.footer-note{color:#D9DCE8;margin-top:24px;max-width:800px}.copyright{color:#BFC3D2}.screen-mask{position:fixed;inset:0;background:rgba(30,26,42,.45);z-index:130;pointer-events:none}.mega-menu{position:fixed;left:0;right:0;top:0;z-index:140;background:var(--white);height:28vh;min-height:250px;max-height:390px;padding:18px max(16px,calc((100% - var(--max))/2));box-shadow:var(--shadow);transform:translateY(-110%);visibility:hidden;pointer-events:none;transition:transform .22s ease,visibility .22s ease;overflow:auto}.mega-menu[aria-hidden="false"]{transform:translateY(0);visibility:visible;pointer-events:auto}.mega-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.mega-brand{display:flex;align-items:center;gap:8px}.menu-close,.search-close{min-height:44px;padding:0 14px;border:1px solid var(--violet);background:var(--white);border-radius:9px;color:var(--title)}.mega-grid{display:grid;grid-template-columns:1.1fr 1.1fr .9fr 1.4fr;gap:20px}.mega-grid h2{font-size:14px;margin-bottom:6px}.mega-grid a{display:grid;grid-template-columns:auto 1fr;gap:8px;padding:4px 0}.mega-grid a strong{font-size:13px}.mega-grid a span{font-size:12px;color:var(--muted)}.search-panel{position:fixed;left:0;right:0;top:74px;z-index:145;visibility:hidden;pointer-events:none}.search-panel[aria-hidden="false"]{visibility:visible;pointer-events:auto}.search-card{width:min(680px,calc(100% - 32px));margin:0 auto;background:var(--white);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:0 0 12px 12px;padding:18px}.search-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.search-card label{display:block;color:var(--sub);margin-bottom:8px}.search-card input{width:100%;height:44px;border:1px solid var(--border);border-radius:8px;padding:0 12px;background:var(--bg);color:var(--title)}.search-presets{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.search-presets a{border:1px solid var(--border);background:var(--white);padding:8px 12px;border-radius:999px}.mobile-bottom{display:none}
@media(max-width:760px){
  body{padding-bottom:calc(48px + env(safe-area-inset-bottom))}.site-main{padding-top:74px}.ringnav{display:none}.sitehead,.microbar{padding-left:16px;padding-right:16px}.microbar{height:20px}.sitehead{height:54px}.brand-logo{max-width:122px}.head-actions{gap:6px}.app-link,.menu-open{padding:0 11px}.section{padding:26px 0}.slant-block{padding:218px 18px 22px;background:var(--soft)}.slant-image{left:0;right:0;top:0;width:100%;height:190px;clip-path:polygon(0 0,100% 0,84% 100%,0 100%);padding:0}.ring-cards,.two-cards,.period-grid,.memo-list,.contact-grid{grid-template-columns:1fr}.status-row,.topic-row{grid-template-columns:1fr}.app-visuals{flex-direction:column}.app-poster{width:100%;height:300px;flex:auto}.footer-groups{grid-template-columns:1fr 1fr;gap:18px}.mega-menu{height:28vh;min-height:260px;max-height:none;padding:14px 16px}.mega-grid{grid-template-columns:1fr 1fr;gap:14px}.mega-grid a{grid-template-columns:1fr}.mega-grid a span{display:none}.search-panel{top:0;bottom:0;background:var(--title);padding:18px 0}.search-card{height:100%;width:calc(100% - 32px);border-radius:12px;background:var(--title);color:var(--white);border-color:rgba(255,255,255,.18)}.search-card strong,.search-card label{color:var(--white)}.search-close{background:transparent;color:var(--white);border-color:rgba(255,255,255,.5)}.search-card input{background:#2B2738;color:var(--white);border-color:rgba(255,255,255,.2)}.search-presets a{background:#2B2738;color:var(--white);border-color:rgba(255,255,255,.2)}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:110;display:grid;grid-template-columns:repeat(4,1fr);height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:var(--white);border-top:1px solid var(--border)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;font-size:13px;min-height:48px}.mobile-bottom a.is-current{background:var(--violet);color:var(--white)}.site-footer{padding-bottom:80px}.ring-card{border-radius:12px;padding:72px 18px 18px}.ring-card:before{left:18px;top:18px}.ring-card .image-slot{margin-left:0}.page-figure{height:180px}}