*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#EEF0F8;color:#2C2A48;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",Arial,sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}a{color:inherit;text-decoration:none}img{max-width:100%;display:block;object-fit:contain;object-position:center}button,input{font:inherit}button{cursor:pointer}.skip-link{position:fixed;left:12px;top:-60px;z-index:1000;background:#F7F8FD;padding:8px 12px;border-radius:8px}.skip-link:focus{top:8px}.site-head{position:fixed;inset:0 0 auto;z-index:90}.address-bar{height:22px;background:#1C1A3A;color:#EEF0F8;display:flex;align-items:center;justify-content:space-between;padding:0 18px;font-size:12px}.address-brand{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.text-button{height:22px;border:0;background:transparent;color:#EEF0F8;padding:0 4px}.window-bar{height:54px;background:#EBEEF8;border-bottom:1px solid rgba(58,107,212,.18);display:grid;grid-template-columns:1fr auto 1fr;align-items:center;padding:0 18px;gap:12px}.brand-link{justify-self:start;min-height:44px;display:flex;align-items:center}.brand-logo,.footer-logo,.drawer-logo{height:24px;width:auto}.brand-fallback{font-size:16px;font-weight:800;color:#1A1840}.app-link{justify-self:center;min-height:44px;display:flex;align-items:center;padding:0 16px;border-radius:999px;background:#F7F8FD;border:1px solid rgba(91,75,219,.42);font-size:14px;color:#1C1A3A}.drawer-button{justify-self:end;min-height:44px;padding:0 14px;border-radius:10px;border:1px solid rgba(91,75,219,.42);background:#F7F8FD;color:#1C1A3A}.tab-strip{height:42px;background:#F7F8FD;border-bottom:1px solid rgba(58,107,212,.18);display:flex;align-items:center}.tab-inner{width:min(1000px,calc(100% - 32px));margin:auto;display:flex;justify-content:center;gap:8px;flex-wrap:wrap}.tab-pill{font-size:13px;line-height:28px;height:28px;padding:0 15px;border-radius:999px;background:#EBEEF8;color:#1C1A3A}.tab-pill.active{background:#5B4BDB;color:#F7F8FD}.page-shell{width:min(1000px,calc(100% - 32px));margin:0 auto;padding-top:142px;padding-bottom:58px;min-height:70vh}h1{font-size:24px;line-height:1.3;color:#1A1840;margin:0 0 16px}h2{font-size:20px;line-height:1.35;color:#1A1840;margin:0 0 12px}h3{font-size:16px;line-height:1.4;color:#1A1840;margin:0 0 8px}p{margin:0 0 14px}.lead{font-size:16px;color:#5A5680}.muted{color:#7A76A0}.eyebrow{font-size:12px;letter-spacing:.08em;color:#5B4BDB;font-weight:800;margin-bottom:8px}.hero-panel,.content-panel,.note-panel,.step-card,.tag-board,.compare-card,.center-card,.terms-block,.help-card,.path-card,.tool-card{background:#F7F8FD;border:1px solid rgba(58,107,212,.18);box-shadow:0 12px 28px rgba(28,26,58,.08);border-radius:14px}.hero-panel,.content-panel{padding:28px;margin:22px 0}.image-slot{display:flex;align-items:center;justify-content:center;background:#EBEEF8;border:1px solid rgba(58,107,212,.18);border-radius:12px;overflow:hidden;padding:10px}.image-slot.banner{height:168px}.image-slot.wide{height:176px}.image-slot.tall{height:320px}.image-slot.medium{height:200px}.image-slot.small{height:132px}.primary-btn,.secondary-btn{min-height:42px;display:inline-flex;align-items:center;justify-content:center;padding:0 18px;border-radius:10px;font-size:14px;font-weight:700;white-space:nowrap;margin:4px 8px 4px 0}.primary-btn{background:linear-gradient(135deg,#8AA4E0 0%,#5B4BDB 55%,#3A6BD4 100%);color:#F7F8FD;border:1px solid transparent}.secondary-btn{background:#F7F8FD;border:1px solid rgba(91,75,219,.42);color:#1C1A3A}.primary-btn:hover,.secondary-btn:hover,.tab-pill:hover{transform:translateY(-1px)}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(58,107,212,.42);outline-offset:2px}.hero-copy{max-width:760px;margin-top:18px}.single-story{margin:24px 0}.story-copy{padding:20px 4px}.stair-stack{display:grid;gap:14px;margin:20px 0}.step-card{padding:20px}.step-card.offset{margin-left:24px}.step-card .image-slot{margin-bottom:14px}.tag-wrap{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0}.tag-chip{padding:9px 14px;background:#E0E4F2;border:1px solid rgba(91,75,219,.42);border-radius:999px;color:#1C1A3A;font-weight:700}.tag-board{padding:24px;margin:24px 0}.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:24px 0}.compare-card{padding:22px}.path-line{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin:16px 0}.path-node{background:#E0E4F2;border:1px solid rgba(58,107,212,.18);border-radius:10px;padding:9px 14px;font-weight:700}.path-arrow{color:#8A6AD4}.center-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:22px auto;max-width:800px}.center-card{padding:24px;text-align:center}.product-card{max-width:760px;margin:24px auto;padding:28px;background:#F7F8FD;border:1px solid rgba(91,75,219,.42);border-radius:14px;box-shadow:0 12px 28px rgba(28,26,58,.08);text-align:center}.product-card .image-slot{max-width:420px;margin:0 auto 18px}.product-icon{width:48px;height:48px;margin:0 auto 12px}.section-divider{height:1px;background:rgba(58,107,212,.18);margin:34px 0}.faq-list{display:grid;gap:14px}.faq-item{background:#F7F8FD;border:1px solid rgba(58,107,212,.18);border-radius:12px;padding:18px}.window-demo{background:#1C1A3A;border-radius:14px;padding:10px;margin:22px 0;color:#F7F8FD}.window-dots{display:flex;gap:6px;padding:4px 2px 10px}.window-dots span{width:8px;height:8px;border-radius:50%;background:#8AA4E0}.window-body{background:#F7F8FD;color:#2C2A48;border-radius:10px;padding:24px}.reading-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:18px;margin:24px 0}.reading-main,.reading-aside{background:#F7F8FD;border:1px solid rgba(58,107,212,.18);border-radius:14px;padding:24px}.tool-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:22px 0}.tool-card{padding:20px}.path-stack{display:grid;gap:14px;margin:24px 0}.path-card{padding:22px;display:grid;grid-template-columns:110px 1fr;gap:18px;align-items:start}.memo-list{counter-reset:memo;display:grid;gap:14px;margin:24px 0}.memo-item{background:#F7F8FD;border-left:4px solid #5B4BDB;border-radius:10px;padding:18px 20px}.memo-item:before{counter-increment:memo;content:counter(memo,decimal-leading-zero);font-weight:800;color:#5B4BDB;margin-right:12px}.terms-wrap{display:grid;gap:16px;margin:24px 0}.terms-block{padding:22px}.brand-statement{background:#1C1A3A;color:#F7F8FD;border-radius:14px;padding:30px;margin:24px 0}.brand-statement h1,.brand-statement h2{color:#F7F8FD}.brand-statement .lead{color:#EEF0F8}.help-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:22px 0}.help-card{padding:22px}.site-footer{background:#1C1A3A;color:#EEF0F8;border-top:1px solid #8AA4E0}.footer-inner{width:min(1000px,calc(100% - 32px));margin:auto;padding:30px 0 78px}.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:24px}.footer-brand span{display:block;color:#8AA4E0;font-size:12px}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.footer-grid h2{color:#F7F8FD;font-size:14px}.footer-grid a{display:block;font-size:13px;padding:4px 0;color:#EEF0F8}.footer-note,.copyright{font-size:13px;color:#EEF0F8;margin-top:22px}.overlay{position:fixed;inset:0;background:rgba(28,26,58,.48);z-index:110;opacity:0;pointer-events:none;transition:.2s}.overlay.visible{opacity:1;pointer-events:auto}.tool-drawer{position:fixed;right:18px;bottom:18px;width:360px;max-height:70vh;overflow:auto;z-index:120;background:#F7F8FD;border:1px solid rgba(91,75,219,.42);border-radius:14px;box-shadow:0 20px 60px rgba(28,26,58,.22);padding:18px;visibility:hidden;pointer-events:none;transform:translateY(16px);opacity:0;transition:.2s}.tool-drawer[aria-hidden="false"]{visibility:visible;pointer-events:auto;transform:none;opacity:1}.drawer-head,.search-top{display:flex;align-items:center;justify-content:space-between;gap:12px}.drawer-brand{display:flex;align-items:center;gap:9px}.icon-close,.search-top button{min-height:44px;border:1px solid rgba(91,75,219,.42);background:#EBEEF8;border-radius:10px;color:#1C1A3A;padding:0 14px}.drawer-groups section{padding:14px 0;border-top:1px solid rgba(58,107,212,.18)}.drawer-groups h2{font-size:13px;margin-bottom:7px}.drawer-groups a{display:grid;grid-template-columns:92px 1fr;gap:9px;padding:9px;border-radius:9px}.drawer-groups a:hover{background:#EBEEF8}.drawer-groups b{font-size:14px}.drawer-groups span{font-size:12px;color:#5A5680}.search-panel{position:fixed;left:0;right:0;top:76px;z-index:125;visibility:hidden;pointer-events:none;opacity:0;transform:translateY(-8px);transition:.2s}.search-panel[aria-hidden="false"]{visibility:visible;pointer-events:auto;opacity:1;transform:none}.search-card{width:min(720px,calc(100% - 32px));margin:auto;background:#EBEEF8;border:1px solid rgba(91,75,219,.42);border-radius:0 0 14px 14px;padding:22px;box-shadow:0 16px 36px rgba(28,26,58,.14)}.search-card label{display:block;margin:10px 0 6px}.search-card input{width:100%;min-height:44px;border:1px solid rgba(91,75,219,.42);background:#F7F8FD;color:#1C1A3A;border-radius:10px;padding:0 13px}.search-presets{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.search-presets a{background:#F7F8FD;border:1px solid rgba(58,107,212,.18);border-radius:999px;padding:8px 12px}.mobile-bottom{display:none}.locked{overflow:hidden}.page-intro{max-width:760px;margin:22px 0}.mini-links{display:flex;gap:10px;flex-wrap:wrap;margin:20px 0}.mini-links a{min-height:42px;display:inline-flex;align-items:center;padding:0 14px;border-radius:9px;background:#EBEEF8;border:1px solid rgba(58,107,212,.18)}
@media (max-width:760px){.window-bar{grid-template-columns:1fr auto auto;padding:0 12px;gap:6px}.brand-fallback{font-size:14px}.app-link,.drawer-button{padding:0 10px}.tab-strip{display:none}.page-shell{padding-top:92px;padding-bottom:84px}.hero-panel,.content-panel,.product-card{padding:20px}.step-card.offset{margin-left:0}.compare-grid,.center-grid,.reading-layout,.tool-list,.help-grid{grid-template-columns:1fr}.path-card{grid-template-columns:1fr;gap:8px}.footer-grid{grid-template-columns:1fr 1fr}.footer-inner{padding-bottom:88px}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:85;height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);display:grid;grid-template-columns:repeat(4,1fr);background:#F7F8FD;border-top:1px solid rgba(58,107,212,.18)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;font-size:13px}.mobile-bottom a.active{background:#5B4BDB;color:#F7F8FD}.tool-drawer{width:92%;right:4%;bottom:calc(58px + env(safe-area-inset-bottom));max-height:70vh}.drawer-groups a{grid-template-columns:86px 1fr}.search-panel{inset:0;top:0;background:#1C1A3A;display:flex;align-items:flex-start;padding-top:72px}.search-card{width:calc(100% - 32px);background:#1C1A3A;color:#F7F8FD;border:0;border-radius:0;box-shadow:none}.search-card h2,.search-card label{color:#F7F8FD}.search-top button{background:#F7F8FD}.search-presets a{color:#1C1A3A}.address-bar{padding:0 12px}.page-shell{width:calc(100% - 32px)}}