:root{--paper:#F6F2FA;--deep:#E7DDF3;--content:#FFFCFE;--night:#12081C;--title:#160C24;--text:#2A2038;--muted:#6A5A80;--soft:#8A7A9A;--purple:#6B3FA0;--bright:#9B6DDC;--mist:#D7C6F0;--amber:#D4A017;--border:rgba(22,12,36,.12);--shadow:0 16px 40px rgba(18,8,28,.12)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--text);font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75;overflow-x:hidden}.locked{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}.shell{width:min(1180px,calc(100% - 32px));margin-inline:auto}.site-head{position:fixed;z-index:80;left:0;right:0;top:0}.night-line{height:10px;background:var(--night);color:var(--mist);font-size:0}.line-inner{height:10px;display:flex;align-items:center;justify-content:space-between}.line-inner 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a.active:after{content:"";position:absolute;left:18px;right:18px;bottom:-15px;height:2px;background:var(--bright)}.desk-actions{margin-left:auto;display:flex;align-items:center;gap:10px}.menu-btn,.app-link,.btn{min-height:44px;border-radius:9px;border:1px solid var(--purple);padding:10px 16px;display:inline-flex;align-items:center;justify-content:center;cursor:pointer}.menu-btn{background:transparent;color:#fff;border-color:rgba(215,198,240,.6)}.app-link,.btn.primary{background:var(--purple);color:#fff}.btn.secondary{background:var(--paper);color:var(--title)}.page-main{padding-top:88px;padding-bottom:40px}.page-hero,.section{margin:28px auto}.paper-card,.dark-card,.content-card,.topic-card,.status-card,.faq-item,.rule-card{border-radius:10px;border:1px solid var(--border);box-shadow:var(--shadow)}.paper-card,.content-card,.topic-card,.faq-item,.rule-card{background:var(--content)}.dark-card{background:var(--night);color:var(--mist)}.dark-card h2,.dark-card 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.media-slot.mark{height:120px}.prose{background:var(--content);border:1px solid var(--border);border-radius:10px;padding:24px;box-shadow:var(--shadow)}.prose h2{color:var(--title);font-size:22px;margin-top:1.8em}.prose h2:first-child{margin-top:0}.prose h3{color:var(--purple);font-size:18px}.prose p,.prose li{font-size:16px}.info-strip{padding:14px 16px;background:var(--deep);border-left:3px solid var(--amber);border-radius:8px;color:var(--title);margin:16px 0}.article-list{display:grid;gap:14px}.article-item{background:var(--content);border:1px solid var(--border);border-radius:10px;padding:20px}.article-item h2{font-size:21px;margin:.1em 0}.meta{font-size:13px;color:var(--soft)}.facts-opinion{display:grid;grid-template-columns:1fr 1fr;gap:18px}.rule-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.rule-card{padding:18px}.faq-list{display:grid;gap:12px}.faq-item{padding:18px}.faq-item h2{font-size:18px;margin:0 0 8px}.site-footer{background:var(--night);color:var(--mist);padding:34px 0 80px;margin-top:36px}.footer-logo{display:flex;align-items:center;gap:12px}.footer-logo span{display:flex;flex-direction:column}.footer-logo strong{color:#fff}.footer-logo small{font-size:11px;letter-spacing:.13em}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;margin-top:28px}.footer-grid h3{color:#fff;font-size:15px}.footer-grid a{display:block;color:var(--mist);padding:4px 0;font-size:14px}.footer-note,.copyright{margin-top:24px;color:#cbbadd;font-size:13px}.copyright{padding-top:18px;border-top:1px solid rgba(215,198,240,.18)}.overlay{position:fixed;z-index:85;inset:64px 0 0;background:rgba(18,8,28,.5);visibility:hidden;opacity:0;pointer-events:none;transition:.2s}.overlay.is-open{visibility:visible;opacity:1;pointer-events:auto}.night-menu{position:fixed;z-index:90;left:0;right:0;top:64px;height:220px;background:#1A1028;color:var(--mist);transform:translateY(-110%);visibility:hidden;pointer-events:none;transition:transform .24s ease,visibility .24s}.night-menu.is-open{transform:translateY(0);visibility:visible;pointer-events:auto}.menu-head{height:46px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(215,198,240,.18)}.menu-brand{display:flex;align-items:center;gap:10px;color:#fff}.menu-brand img{height:24px}.close-btn{min-height:44px;border:0;background:transparent;color:inherit;padding:0 8px;cursor:pointer}.menu-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding-top:12px}.menu-grid h3{font-size:13px;color:#fff;margin:0 0 4px}.menu-grid a{display:block;padding:3px 0}.menu-grid 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@media(max-width:620px){.shell{width:min(100% - 32px,1180px)}.desk-inner{gap:8px}.brand img{max-width:110px}.app-link,.menu-btn{padding:8px 10px;font-size:13px}.page-main{padding-top:82px;padding-bottom:70px}.page-hero,.section{margin:20px auto}.cover-slot{min-height:150px}.four-grid,.status-grid,.rule-grid,.footer-grid{grid-template-columns:1fr}.topic-card .media-slot{height:165px}.app-grid{grid-template-columns:1fr}.app-grid .media-slot.app-portrait{height:340px}.menu-grid{grid-template-columns:1fr}.night-menu{height:60vh}.menu-grid>div{padding-bottom:6px}.mobile-nav{display:grid;position:fixed;z-index:70;left:0;right:0;bottom:0;grid-template-columns:repeat(5,1fr);height:calc(50px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:var(--content);border-top:1px solid var(--border)}.mobile-nav a{display:flex;align-items:center;justify-content:center;min-height:50px;font-size:13px}.mobile-nav a.active{background:var(--purple);color:#fff}.site-footer{padding-bottom:90px}.content-card{padding:17px}.prose{padding:18px}.feature-row .media-slot{height:170px}.search-panel{right:16px}.line-inner span{font-size:7px}.night-line,.line-inner{height:10px}}