:root{--bg:#F6F4FC;--deep:#E8F2FA;--card:#FFFFFF;--ink:#2A2D4A;--text:#3A3E58;--muted:#6A6E88;--aux:#8A8EAA;--purple:#7B6BB5;--blue:#6BA3D6;--lilac:#C9B8E8;--mist:#B8D4F0;--peach:#E8B4B8;--border:rgba(42,45,74,.12);--shadow:0 14px 34px rgba(42,45,74,.09);--max:1140px}
*{box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:hidden}body{margin:0;background:linear-gradient(180deg,var(--bg),#fff 28%,var(--deep) 100%);color:var(--text);font:16px/1.75 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;overflow-x:hidden}a{color:inherit;text-decoration:none}button{font:inherit}.wrap,.head-inner{width:min(var(--max),calc(100% - 32px));margin:0 auto}.site-head{position:fixed;z-index:80;top:0;left:0;right:0}.nation-line{height:7px;background:linear-gradient(90deg,var(--purple),var(--blue));color:#fff;overflow:visible}.nation-line-inner{height:7px;display:flex;justify-content:space-between;align-items:flex-start;position:relative}.brand-mini{position:absolute;top:8px;left:0;font-size:11px;color:var(--ink);letter-spacing:.04em;white-space:nowrap}.line-search-btn{position:absolute;right:0;top:7px;height:40px;padding:0 14px;border:0;background:transparent;color:var(--ink);cursor:pointer}.nation-stage{height:48px;background:#fff;border-bottom:1px solid rgba(201,184,232,.65)}.stage-inner{height:48px;display:flex;align-items:center;justify-content:space-between;padding-top:5px}.brand{display:flex;align-items:center;min-height:44px;font-weight:800;color:var(--ink)}.brand img{display:block;max-height:24px;max-width:180px;width:auto;object-fit:contain}.stage-actions{display:flex;gap:8px;align-items:center}.box-toggle,.app-link,.btn,.close-btn{min-height:44px;border-radius:12px;padding:0 16px;display:inline-flex;align-items:center;justify-content:center;cursor:pointer}.box-toggle{border:1px solid var(--blue);background:#fff;color:var(--ink)}.app-link,.btn.primary{background:var(--purple);color:#fff;border:1px solid var(--purple)}.nation-nav{height:44px;background:#fff;border-bottom:1px solid var(--border)}.nav-inner{height:44px;display:flex;align-items:center;justify-content:center;gap:0}.nav-inner a{position:relative;padding:8px 22px;color:var(--ink)}.nav-inner a+a:before{content:"";position:absolute;left:0;top:13px;width:1px;height:18px;background:var(--mist)}.nav-inner a.active{color:var(--purple)}.nav-inner a.active:after{content:"";position:absolute;left:22px;right:22px;bottom:3px;height:2px;background:var(--blue)}
.site-main{padding-top:123px;min-height:60vh}.hero,.section{padding:36px 0}.hero-card,.content-card,.split-card,.mini-card,.info-card,.qa-card,.term-card{background:rgba(255,255,255,.94);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow)}.hero-card{padding:30px;text-align:center}.media-slot{border-radius:16px;background:linear-gradient(135deg,#ece7f8,#e6f2fb);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;overflow:hidden;min-height:150px}.media-slot.cover{max-height:210px;min-height:200px}.media-slot img{width:100%;height:100%;max-height:210px;object-fit:contain;object-position:center}.eyebrow{font-size:14px;color:var(--purple);font-weight:700;letter-spacing:.06em}.hero h1,.page-hero h1{font-size:clamp(28px,4vw,32px);line-height:1.25;color:var(--ink);margin:14px 0 12px}.lead{max-width:820px;margin:0 auto;color:var(--text)}.actions{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin-top:22px}.btn.secondary{background:#fff;border:1px solid var(--blue);color:var(--ink)}.section-title{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:18px}.section-title h2,.content-card h2,.term-card h2,.info-card h2,.qa-card h2{margin:0;color:var(--ink);font-size:24px}.section-title p{margin:0;color:var(--muted)}.split{display:grid;grid-template-columns:1fr 1fr;gap:22px}.split-card{padding:22px}.split-card .media-slot{height:170px;margin-bottom:18px}.text-block p{margin:0 0 12px}.text-link{color:var(--purple);font-weight:700}.feature-up{display:grid;gap:18px}.feature-up .content-card{padding:24px}.feature-up .media-slot{height:180px;margin-top:18px}.four-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.mini-card{padding:16px}.mini-card .media-slot{height:160px;margin-bottom:14px}.mini-card h3{margin:0 0 8px;color:var(--ink);font-size:19px}.wide-card{display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,.7fr);gap:24px;align-items:center;padding:24px}.wide-card.reverse{grid-template-columns:minmax(260px,.7fr) minmax(0,1fr)}.wide-card .media-slot{height:175px}.app-grid{display:grid;grid-template-columns:minmax(200px,360px) 1fr;gap:28px;align-items:center}.app-phone{min-height:340px;max-height:420px}.app-phone img{max-height:420px}.mark-row{display:flex;align-items:center;gap:14px;margin:14px 0}.mark-row img{width:64px;height:64px;object-fit:contain}.after-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.info-card{padding:22px}.info-card p{margin-bottom:0}.page-hero{padding:40px 0 18px}.page-hero .wrap{background:linear-gradient(135deg,#fff,#edf4fb);border:1px solid var(--border);border-radius:16px;padding:28px;box-shadow:var(--shadow)}.page-hero p{max-width:860px;margin:10px 0 0}.article-wrap{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:24px;padding:18px 0 44px}.article-main{display:grid;gap:18px}.content-card,.term-card{padding:24px}.content-card p,.term-card p{margin:10px 0}.content-card ul,.content-card ol,.term-card ul{padding-left:1.25em}.content-card li,.term-card li{margin:.4em 0}.side-card{position:sticky;top:145px;align-self:start;background:#fff;border:1px solid var(--border);border-radius:16px;padding:18px}.side-card h2{font-size:18px;color:var(--ink);margin:0 0 10px}.side-card a{display:block;padding:9px 0;border-bottom:1px solid var(--border);color:var(--purple)}.side-card a:last-child{border-bottom:0}.note-fact{border-left:4px solid var(--blue)}.note-view{border-left:4px solid var(--purple)}.calendar-list{display:grid;gap:12px}.calendar-item{padding:16px;border-radius:14px;background:var(--deep);border:1px solid var(--border)}.calendar-item strong{color:var(--ink)}.qa-list{display:grid;gap:14px}.qa-card{padding:20px}.qa-card h2{font-size:19px}.qa-card p{margin:8px 0 0}.simple-list a{display:block;padding:14px 0;border-bottom:1px solid var(--border);color:var(--purple)}
.site-footer{background:var(--ink);color:#E8E4F6;padding:36px 0 calc(28px + env(safe-area-inset-bottom))}.footer-brandline{margin-bottom:22px}.footer-brand{display:inline-flex;gap:12px;align-items:center}.footer-brand img{max-height:24px;max-width:180px;object-fit:contain}.footer-brand strong{display:block;color:#fff}.footer-brand small{display:block;color:var(--lilac)}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}.footer-grid h2{font-size:15px;margin:0 0 10px;color:#fff}.footer-grid a{display:block;padding:4px 0;color:#E8E4F6}.footer-note{border-top:1px solid rgba(255,255,255,.12);margin-top:24px;padding-top:18px;color:var(--lilac);font-size:14px}.footer-note p{margin:4px 0}.page-mask{position:fixed;z-index:90;inset:0;background:rgba(42,45,74,.26);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.page-mask.open{opacity:1;visibility:visible;pointer-events:auto}.nation-box,.search-layer{position:fixed;z-index:100;left:50%;transform:translateX(-50%) translateY(-10px);background:#fff;border:1px solid var(--border);border-top:3px solid var(--purple);box-shadow:0 24px 70px rgba(42,45,74,.2);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.nation-box.open,.search-layer.open{opacity:1;visibility:visible;pointer-events:auto;transform:translateX(-50%) translateY(0)}.nation-box{top:55px;width:min(640px,calc(100% - 32px));height:360px;border-radius:0 0 16px 16px;overflow:auto}.box-head,.search-head{display:flex;justify-content:space-between;align-items:center;padding:14px 18px;border-bottom:1px solid var(--border)}.box-brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--ink)}.box-brand img{max-height:24px;max-width:150px;object-fit:contain}.close-btn{border:1px solid var(--border);background:#fff;color:var(--ink)}.box-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;padding:18px}.box-grid h2{font-size:15px;color:var(--ink);margin:0 0 6px}.box-grid a{display:grid;grid-template-columns:92px 1fr;gap:10px;padding:7px 0;border-bottom:1px solid var(--border)}.box-grid strong{color:var(--purple);font-size:14px}.box-grid span{color:var(--muted);font-size:13px}.search-layer{top:55px;width:min(420px,calc(100% - 32px));border-radius:0 0 16px 16px}.search-look{margin:18px;border:1px solid var(--mist);border-radius:12px;padding:13px;color:var(--muted);background:var(--bg)}.search-links{display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:0 18px 18px}.search-links a{min-height:44px;display:flex;align-items:center;justify-content:center;border:1px solid var(--blue);border-radius:12px;color:var(--ink)}.modal-open{overflow:hidden}.mobile-bottom{display:none}
a:hover,.btn:hover,.box-toggle:hover,.app-link:hover,.close-btn:hover{filter:brightness(.97)}a:focus-visible,button:focus-visible{outline:3px solid rgba(107,163,214,.45);outline-offset:3px}
@media(max-width:900px){.four-grid{grid-template-columns:1fr 1fr}.after-grid{grid-template-columns:1fr}.article-wrap{grid-template-columns:1fr}.side-card{position:static}.wide-card,.wide-card.reverse,.app-grid{grid-template-columns:1fr}.wide-card.reverse .media-slot{order:2}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:700px){body{padding-bottom:calc(50px + env(safe-area-inset-bottom))}.nation-nav{display:none}.site-main{padding-top:55px}.brand-mini{font-size:10px;top:8px}.stage-inner{padding-top:5px}.brand img{max-width:125px}.line-search-btn{padding-right:0}.stage-actions{gap:6px}.box-toggle,.app-link{padding:0 12px}.hero,.section{padding:24px 0}.hero-card{padding:18px}.split,.four-grid,.footer-grid{grid-template-columns:1fr}.media-slot.cover{min-height:160px}.split-card .media-slot,.feature-up .media-slot,.mini-card .media-slot,.wide-card .media-slot{height:155px}.article-wrap{padding-bottom:28px}.nation-box{top:55px;width:calc(100% - 20px);height:60vh}.box-grid{grid-template-columns:1fr}.search-layer{top:55px;width:calc(100% - 20px)}.mobile-bottom{display:grid;position:fixed;z-index:70;bottom:0;left:0;right:0;height:calc(50px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);grid-template-columns:repeat(5,1fr);background:#fff;border-top:1px solid var(--border)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;min-height:50px;font-size:13px;color:var(--ink)}.mobile-bottom a.active{background:var(--purple);color:#fff}.site-footer{padding-bottom:28px}.wide-card{padding:18px}.page-hero{padding-top:26px}.page-hero .wrap{padding:20px}.box-grid a{grid-template-columns:86px 1fr}.app-phone{min-height:280px}}