:root{--page:#F7F1D8;--deep:#E8DFA8;--card:#FFF9E8;--soft:#F0E8C0;--ink:#16140C;--text:#2A2614;--muted:#5A5428;--aux:#7A7440;--yellow:#E8C430;--border:rgba(22,20,12,.12);--focus:rgba(232,196,48,.55);--shadow:0 12px 28px rgba(22,20,12,.10)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--page);color:var(--text);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}a{color:inherit;text-decoration:none}img{display:block;max-width:100%;object-fit:contain;object-position:center}button{font:inherit}a,button{touch-action:manipulation}.skip-link{position:fixed;left:10px;top:-60px;z-index:999;background:var(--ink);color:var(--yellow);padding:8px 12px;border-radius:8px}.skip-link:focus{top:8px}
.top-strip{position:fixed;top:0;left:0;right:0;height:20px;background:var(--ink);color:var(--yellow);z-index:90;font-size:12px}.top-strip-inner{max-width:960px;height:100%;margin:auto;padding:0 16px;display:flex;align-items:center;justify-content:space-between}.top-strip button{border:0;background:transparent;color:var(--yellow);font-size:12px;cursor:pointer}.site-header{position:fixed;top:20px;left:0;right:0;height:54px;background:var(--card);border-bottom:1px solid var(--border);z-index:89;display:flex;align-items:center;justify-content:space-between;padding:0 max(16px,calc((100vw - 960px)/2))}.brand{height:44px;display:flex;align-items:center;gap:8px}.brand .logo{height:24px;display:flex;align-items:center}.brand .logo img{height:24px;width:auto}.brand strong{font-size:16px;color:var(--ink)}.brand .logo:has(img)+strong{display:none}.head-actions{display:flex;gap:8px;align-items:center}.app-btn,.menu-btn{height:44px;min-width:72px;padding:0 14px;border-radius:12px;border:1px solid var(--ink);display:inline-flex;align-items:center;justify-content:center;background:var(--card);color:var(--ink);font-size:14px;cursor:pointer}.app-btn{background:linear-gradient(135deg,#16140C 0%,#E8C430 100%);border-color:transparent;font-weight:700}
.quick-nav{position:fixed;top:74px;left:0;right:0;height:48px;background:var(--card);z-index:88;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:center;gap:12px}.quick-nav a{width:120px;height:28px;border:1px solid var(--ink);border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:13px;background:var(--card)}.quick-nav a.is-current{background:var(--ink);color:var(--yellow)}
.site-main{max-width:960px;margin:auto;padding:154px 16px 80px}.page-hero{padding:26px 0 20px;border-bottom:1px solid var(--border);margin-bottom:22px}.page-hero h1,.home-intro h1{font-size:24px;line-height:1.3;color:var(--ink);margin:8px 0 10px}.page-hero p,.home-intro p{color:var(--muted);margin:0}.kicker{font-size:12px;font-weight:800;letter-spacing:.08em;color:var(--muted)}h2{font-size:20px;line-height:1.35;color:var(--ink);margin:0 0 10px}h3{font-size:16px;color:var(--ink);margin:0 0 8px}p{margin:0 0 12px}.section{margin:34px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:16px;margin-bottom:14px}.section-head p{max-width:560px;color:var(--muted);margin:0}
.primary-btn,.secondary-btn{min-height:42px;padding:9px 16px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;white-space:nowrap}.primary-btn{background:linear-gradient(135deg,#16140C 0%,#E8C430 100%);color:#16140C}.secondary-btn{background:var(--card);border:1px solid var(--ink);color:var(--ink)}a:focus-visible,button:focus-visible{outline:3px solid var(--yellow);outline-offset:3px}.image-slot{background:var(--card);border:1px solid var(--border);border-radius:14px;display:flex;align-items:center;justify-content:center;overflow:hidden}.image-slot img{width:100%;height:100%}.slot-160{height:160px}.slot-200{height:200px}.slot-260{height:260px}.slot-320{height:320px}
.home-intro{background:var(--soft);border:1px solid var(--border);border-radius:16px;padding:22px}.home-index{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:18px}.home-index a{min-height:52px;border:1px solid var(--ink);border-radius:14px;background:var(--card);padding:10px 14px;display:flex;align-items:center;justify-content:space-between}.home-index span{font-size:13px;color:var(--muted)}.intro-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}.parallel-bars,.layout-parallel{display:grid;grid-template-columns:1fr 1fr;gap:14px}.parallel-item,.parallel-strip{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:16px}.parallel-item .image-slot{margin-bottom:14px}.stack-cards,.layout-stack{display:grid;gap:14px}.stack-card,.stack-note{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:18px;box-shadow:var(--shadow)}.stack-card:nth-child(2),.stack-note:nth-child(even){margin-left:32px}.stack-card:nth-child(3){margin-left:64px}.fold-list,.layout-fold{display:grid;grid-template-columns:1.1fr .9fr;gap:14px}.fold-item,.fold-note{background:var(--deep);border:1px solid var(--border);border-radius:16px;padding:18px;position:relative;overflow:hidden}.fold-item:after{content:"";position:absolute;right:-28px;bottom:-28px;width:72px;height:72px;background:var(--yellow);transform:rotate(45deg);opacity:.5}.fold-note:nth-child(odd){clip-path:polygon(0 0,95% 0,100% 18%,100% 100%,0 100%)}.center-card{max-width:720px;margin:auto;background:var(--card);border:1px solid var(--border);border-radius:16px;padding:22px;text-align:center}.center-card .image-slot{margin:0 auto 14px}.period-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.period-box{background:var(--card);border-top:4px solid var(--yellow);border-radius:12px;padding:16px;min-height:150px}.status-list{display:grid;gap:10px}.status-item{display:grid;grid-template-columns:120px 1fr;gap:12px;background:var(--card);border:1px solid var(--border);border-radius:12px;padding:14px}.status-badge{display:inline-flex;min-height:32px;align-items:center;justify-content:center;border-radius:999px;background:var(--ink);color:var(--yellow);font-size:13px;font-weight:700;padding:4px 10px}
.app-feature{background:var(--ink);color:#F7F1D8;border-radius:16px;padding:22px}.app-feature h2{color:var(--yellow)}.app-visual{max-width:430px;margin:14px auto;display:flex;justify-content:center;align-items:center;gap:14px}.app-phone{width:min(260px,70vw);height:300px;background:var(--card)}.app-icon{width:64px;height:64px;background:var(--card);padding:8px}.method-list,.memo-list,.topic-list,.terms,.qa-list{display:grid;gap:12px}.method-item{background:var(--card);border-left:5px solid var(--yellow);border-radius:0 14px 14px 0;padding:16px}.faq-short{display:grid;grid-template-columns:1fr 1fr;gap:12px}.faq-short article,.index-cell,.topic-item,.term,.qa-item,.contact-card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:16px}.brand-block{background:var(--deep);border-radius:16px;padding:20px}.layout-index-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.layout-center-image,.layout-single{max-width:760px;margin:auto}.layout-single{display:grid;gap:14px}.single-note{background:var(--card);border-bottom:2px solid var(--yellow);padding:16px 18px;border-radius:12px}.memo-item{display:grid;grid-template-columns:40px 1fr;gap:12px;background:var(--card);border:1px solid var(--border);border-radius:14px;padding:14px}.memo-num{width:34px;height:34px;border-radius:10px;background:var(--yellow);display:flex;align-items:center;justify-content:center;font-weight:800}.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.about-banner{height:200px;margin-bottom:18px}
.site-footer{background:var(--ink);color:#F7F1D8;border-top:1px solid var(--yellow);padding:32px 16px calc(28px + env(safe-area-inset-bottom))}.footer-inner{max-width:960px;margin:auto}.footer-brand{display:flex;gap:12px;align-items:center;margin-bottom:22px}.footer-brand>span{height:24px;min-width:42px}.footer-brand img{height:24px}.footer-brand b{display:block;color:var(--yellow);font-size:16px}.footer-brand small{font-size:12px}.footer-links{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.footer-links section{display:flex;flex-direction:column;gap:7px}.footer-links h2{font-size:14px;color:var(--yellow);margin:0}.footer-links a,.footer-note,.copyright{font-size:13px}.footer-note{margin:24px 0 8px;color:#d8d1b5}.copyright{margin:0}
.overlay{position:fixed;inset:0;background:rgba(22,20,12,.45);z-index:110;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.overlay.active{opacity:1;visibility:visible;pointer-events:auto}.drawer{position:fixed;right:12px;top:84px;width:min(420px,32vw);max-height:calc(100vh - 108px);overflow:auto;background:var(--card);z-index:120;border:1px solid var(--ink);border-radius:16px;box-shadow:var(--shadow);padding:14px;transform:translateX(calc(100% + 30px));visibility:hidden;pointer-events:none;transition:.25s}.drawer.open{transform:translateX(0);visibility:visible;pointer-events:auto}.drawer-head{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border);padding-bottom:10px}.drawer-brand{display:flex;align-items:center;gap:8px}.drawer-brand span{height:24px}.drawer-brand img{height:24px}.drawer button,.search-head button{min-height:44px;border:1px solid var(--ink);background:var(--card);border-radius:12px;padding:0 12px;cursor:pointer}.drawer-group{padding:8px 0;border-bottom:1px solid var(--border)}.drawer-group h2{font-size:13px;color:var(--muted);margin:0 0 6px}.drawer-group a{display:block;padding:8px;border-radius:10px}.drawer-group a:hover{background:var(--soft)}.drawer-group a b{display:block;font-size:14px}.drawer-group a span{display:block;font-size:12px;color:var(--muted)}.search-panel{position:fixed;top:74px;left:0;right:0;z-index:130;visibility:hidden;pointer-events:none;opacity:0;transition:.2s}.search-panel.open{visibility:visible;pointer-events:auto;opacity:1}.search-card{max-width:720px;margin:auto;background:var(--card);border:1px solid var(--ink);border-top:0;border-radius:0 0 16px 16px;padding:18px;box-shadow:var(--shadow)}.search-head{display:flex;align-items:center;justify-content:space-between}.search-links{display:flex;gap:10px;flex-wrap:wrap}.search-links a{min-height:44px;display:flex;align-items:center;padding:8px 14px;border:1px solid var(--ink);border-radius:12px}.no-scroll{overflow:hidden}.mobile-bottom{display:none}
@media(max-width:760px){.quick-nav{display:none}.site-main{padding-top:104px;padding-bottom:84px}.site-header{padding:0 16px}.app-btn,.menu-btn{min-width:62px;padding:0 10px}.home-index,.parallel-bars,.layout-parallel,.fold-list,.layout-fold,.contact-grid,.layout-index-grid{grid-template-columns:1fr}.stack-card:nth-child(2),.stack-card:nth-child(3),.stack-note:nth-child(even){margin-left:0}.period-row{grid-template-columns:1fr}.faq-short{grid-template-columns:1fr}.footer-links{grid-template-columns:1fr 1fr}.drawer{top:78px;right:8px;width:68vw;max-height:calc(100vh - 142px)}.search-panel{top:20px;bottom:0;background:var(--ink);padding:70px 16px}.search-card{background:var(--ink);color:var(--yellow);border:1px solid var(--yellow);border-radius:16px;max-height:100%;overflow:auto}.search-card h2,.search-card p{color:var(--yellow)}.search-head button,.search-links a{border-color:var(--yellow);background:transparent;color:var(--yellow)}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);z-index:95;background:var(--card);border-top:1px solid var(--border);display:grid;grid-template-columns:repeat(4,1fr)}.mobile-bottom a{min-height:48px;display:flex;align-items:center;justify-content:center;font-size:13px}.mobile-bottom a.is-current{background:var(--yellow);color:var(--ink);font-weight:800}.status-item{grid-template-columns:1fr}}

.mb-14{margin-bottom:14px}.mb-18{margin-bottom:18px}
@media(max-width:760px){.search-panel{top:0}.site-footer{padding-bottom:calc(80px + env(safe-area-inset-bottom))}}