:root{
--bg:#F6E7A8;--deep:#E8D27A;--surface:#FFF8DC;--surface2:#F3E6B0;--ink:#3A2E08;--text:#4A3C12;--muted:#7A6418;--soft:#9A8428;--accent:#8A6A12;--green:#5A7A38;--border:rgba(58,46,8,.16);--border-strong:rgba(138,106,18,.48);--shadow:0 12px 28px rgba(58,46,8,.08);--radius:10px;--max:960px;--top:146px}
*{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}body.no-scroll{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}button{color:inherit}.skip-link{position:fixed;left:16px;top:-60px;z-index:2000;background:var(--ink);color:var(--bg);padding:8px 12px;border-radius:8px}.skip-link:focus{top:8px}.content-shell,.head-inner{width:min(calc(100% - 32px),var(--max));margin:0 auto}.site-fixed-head{position:fixed;inset:0 0 auto 0;z-index:1000;box-shadow:0 4px 18px rgba(58,46,8,.08)}.bean-path{height:20px;background:var(--ink);color:var(--bg);font-size:12px}.bean-path-inner{height:20px;display:flex;align-items:center;justify-content:space-between}.path-brand{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.text-button{border:0;background:transparent;color:var(--bg);padding:0 2px;min-height:20px;cursor:pointer}.bean-head{height:54px;background:var(--bg);border-bottom:1px solid var(--border-strong)}.bean-head-inner{height:54px;display:flex;align-items:center;justify-content:space-between;gap:16px}.brand-link{display:inline-flex;align-items:center;min-height:44px}.brand-logo,.footer-logo,.bean-menu-title img{height:24px;width:auto;max-width:180px;object-fit:contain;object-position:center}.brand-fallback{font-size:16px;font-weight:800;color:var(--ink)}.head-actions{display:flex;align-items:center;gap:8px}.app-link,.menu-open{height:44px;display:inline-flex;align-items:center;justify-content:center;padding:0 14px;border-radius:8px;border:1px solid var(--border-strong);font-size:14px;white-space:nowrap}.menu-open{background:var(--ink);color:var(--bg);cursor:pointer}.app-link{background:var(--surface)}.bean-grid{background:var(--bg);border-bottom:1px solid var(--border-strong)}.bean-grid-inner{height:72px;display:grid;grid-template-columns:1fr 1fr}.bean-grid-item{height:36px;display:flex;align-items:center;justify-content:center;border-right:1px solid var(--border-strong);border-bottom:1px solid var(--border-strong);font-size:13px;font-weight:700}.bean-grid-item:nth-child(2n){border-right:0}.bean-grid-item:nth-last-child(-n+2){border-bottom:0}.bean-grid-item.is-current{background:var(--accent);color:var(--surface)}.site-main{padding-top:calc(var(--top) + 28px)}h1,h2,h3{color:var(--ink);margin-top:0}h1{font-size:24px;line-height:1.3;margin-bottom:14px}h2{font-size:20px;line-height:1.4;margin-bottom:10px}h3{font-size:16px;line-height:1.45;margin-bottom:8px}p{margin:0 0 14px}.eyebrow,.section-heading>p,.shelf-head>div>p,.weekly-copy>p,.status-copy>p,.brand-intro>p,.app-copy>p{font-size:13px;font-weight:800;color:var(--accent);letter-spacing:.06em;margin-bottom:7px}.lead-sentence{font-size:18px;font-weight:800;color:var(--ink)}.btn{min-height:42px;padding:0 18px;border-radius:9px;display:inline-flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;white-space:nowrap;border:1px solid var(--border-strong);transition:transform .18s ease,box-shadow .18s ease}.btn:hover{transform:translateY(-1px);box-shadow:var(--shadow)}.btn-primary{background:linear-gradient(135deg,#F6E7A8 0%,#8A6A12 100%);color:var(--ink)}.btn-secondary{background:var(--ink);color:var(--bg)}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid var(--green);outline-offset:3px}.text-link,.inline-links a,.brand-links a,.help-groups a,.center-card-stack a,.album-list a{display:inline-flex;min-height:44px;align-items:center;font-weight:800;color:var(--accent);text-decoration:underline;text-underline-offset:3px}.media-slot{background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;overflow:hidden}.media-slot img{width:100%;height:100%;object-fit:contain;object-position:center;display:block}.wide-contained{width:100%;min-height:180px;max-height:320px;margin:18px 0 28px}.portrait-frame{width:min(100%,420px);height:280px;margin:0 auto}.timeline-image{width:100%;height:210px;margin-top:16px}.fold-image{width:100%;height:190px;margin-bottom:16px}.shelf-head-image{width:min(280px,100%);height:150px}.shelf-head-image.large{width:min(360px,100%);height:190px}.weekly-image{height:220px}.status-image{min-height:180px;max-height:260px}.icon-slot{width:48px;height:48px;border-radius:12px}.app-portrait{height:320px;width:min(260px,100%)}.about-banner{height:200px;width:100%}.brand-cover{height:240px;width:100%}
/* home */
.home-intro{padding:18px 0 42px}.mini-index{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-bottom:28px}.mini-index a{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:10px 12px;min-height:64px}.mini-index strong,.mini-index span{display:block}.mini-index strong{color:var(--ink);font-size:14px}.mini-index span{font-size:12px;color:var(--muted)}.home-title-block{max-width:760px}.home-title-block p:not(.eyebrow):not(.lead-sentence){max-width:720px}.centered-frame-section{padding:36px 0}.section-heading{text-align:left;margin-bottom:18px}.centered-frame-section .section-heading{text-align:center}.center-copy{max-width:680px;margin:18px auto 0;text-align:center}.timeline-section{padding:38px 0}.timeline-list{position:relative;padding-left:28px}.timeline-list:before{content:"";position:absolute;left:8px;top:5px;bottom:5px;width:2px;background:var(--border-strong)}.timeline-item{position:relative;margin-bottom:20px}.timeline-dot{position:absolute;left:-26px;top:7px;width:14px;height:14px;border:3px solid var(--bg);background:var(--accent);border-radius:50%;box-shadow:0 0 0 1px var(--border-strong)}.timeline-body{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:18px;box-shadow:var(--shadow)}.timeline-item.featured .timeline-body{border-color:var(--border-strong)}.fold-section{padding:38px 0}.fold-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.fold-card{position:relative;background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:18px;box-shadow:var(--shadow);overflow:hidden}.fold-card .fold-corner{position:absolute;right:0;top:0;width:44px;height:44px;background:linear-gradient(225deg,var(--deep) 50%,transparent 51%)}.fold-b{transform:translateY(18px)}.shelf-section{padding:52px 0 32px}.shelf-head{display:flex;justify-content:space-between;gap:24px;align-items:center;border-bottom:3px solid var(--accent);padding-bottom:18px}.shelf-cards{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:14px}.shelf-cards article{background:var(--surface2);border:1px solid var(--border);border-radius:9px;padding:18px}.shelf-cards a{font-weight:800;color:var(--accent)}.weekly-section{padding:42px 0}.weekly-section>.weekly-copy{max-width:650px}.week-three{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:16px}.week-three article{background:var(--accent);color:var(--surface);border-radius:10px;padding:18px}.week-three h3,.week-three span{color:var(--surface)}.week-three span{font-size:12px;font-weight:800}.status-section{padding:38px 0;display:grid;grid-template-columns:.8fr 1.2fr;gap:24px;align-items:center}.status-row{display:grid;grid-template-columns:88px 1fr;gap:12px;border-top:1px solid var(--border);padding:12px 0}.status-row span{font-weight:800;color:var(--accent)}.status-row p{margin:0}.full-bleed-band{background:var(--accent);color:var(--surface);margin:36px 0}.app-band-inner{display:grid;grid-template-columns:60px 1fr 260px;gap:24px;align-items:center;padding:28px 0}.full-bleed-band h1,.full-bleed-band h2,.full-bleed-band h3,.full-bleed-band .app-copy>p:first-child{color:var(--surface)}.app-copy p{max-width:580px}.reading-notes{padding:42px 0}.note-lines{display:grid;grid-template-columns:1fr;gap:0;border-top:1px solid var(--border)}.note-lines article{display:grid;grid-template-columns:190px 1fr;gap:18px;padding:16px 0;border-bottom:1px solid var(--border)}.note-lines p{margin:0}.home-faq{padding:36px 0}.home-faq details,.faq-list details{background:var(--surface);border:1px solid var(--border);border-radius:9px;margin-bottom:10px;padding:0 16px}.home-faq summary,.faq-list summary{cursor:pointer;font-weight:800;color:var(--ink);padding:14px 0}.home-faq details p,.faq-list details p{padding:0 0 16px}.brand-intro{padding:42px 0 56px;border-top:1px solid var(--border-strong)}.brand-links,.inline-links{display:flex;flex-wrap:wrap;gap:12px}
/* generic heroes */
.page-hero,.portrait-page-intro,.fold-page-head,.weekly-page-head,.checklist-head,.method-head,.album-head,.center-card-head,.install-head,.legal-head,.help-head,.faq-head,.contact-head,.about-head,.status-page-head{padding:16px 0 32px}.compact-hero{max-width:760px;margin-left:auto;margin-right:auto}.portrait-focus{display:grid;justify-items:center;gap:18px;padding:8px 0 34px}.portrait-caption{max-width:620px;text-align:center}.scene-stacks{max-width:760px}.scene-stacks article{padding:22px 0;border-top:1px solid var(--border)}.scene-stacks article>span{display:inline-block;background:var(--ink);color:var(--bg);padding:3px 10px;border-radius:999px;font-size:12px;margin-bottom:8px}.tip-band,.memo-band,.weekly-principle,.observation-note,.method-deep,.album-footer,.center-card-note,.app-boundary,.install-faq,.help-more,.contact-status,.closing-note{margin-top:30px;margin-bottom:48px;background:var(--surface2);border:1px solid var(--border);border-radius:10px;padding:22px}.large-fold-grid{padding-bottom:36px;grid-template-columns:1fr 1fr}.large-fold-grid .fold-card:nth-child(2n){transform:translateY(18px)}.single-flow{max-width:760px;padding-bottom:42px}.single-flow>.media-slot{margin-bottom:10px}.flow-chapter{padding:20px 0;border-bottom:1px solid var(--border)}.week-columns{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.week-columns article{background:var(--surface);border:1px solid var(--border);border-top:5px solid var(--accent);border-radius:10px;padding:18px}.week-columns span{font-size:12px;font-weight:800;color:var(--accent)}.status-page-head{display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:center}.status-track{display:grid;gap:12px}.status-block{display:grid;grid-template-columns:120px 1fr;gap:18px;background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:18px;align-items:start}.status-label{font-weight:900;color:var(--accent);padding-top:3px}.status-block.done{border-left:6px solid var(--green)}.status-block.working{border-left:6px solid var(--accent)}.status-block.checking{border-left:6px solid var(--soft)}.status-block.pending{border-left:6px solid var(--ink)}.status-explain{padding:34px 0 48px;max-width:760px}.checklist-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.checklist-grid article{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:20px}.checklist-grid ul{padding-left:20px}.method-steps{max-width:820px}.method-steps article{display:grid;grid-template-columns:64px 1fr;gap:18px;padding:24px 0;border-top:1px solid var(--border)}.method-num{font-size:24px;font-weight:900;color:var(--accent)}.album-list{display:grid;gap:12px}.album-list article{display:grid;grid-template-columns:54px 1fr;gap:18px;background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:18px}.album-mark{width:44px;height:44px;border-radius:50%;background:var(--accent);color:var(--surface);display:flex;align-items:center;justify-content:center;font-weight:900}.album-note{font-size:13px;color:var(--muted)}.center-card-head{text-align:center;max-width:760px}.center-card-head .media-slot{margin:18px auto 0}.center-card-stack{display:grid;gap:14px;max-width:720px}.center-card-stack article{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:22px;text-align:center}.app-hero-band{margin-top:-28px;padding:26px 0}.app-hero-inner{display:grid;grid-template-columns:1fr 320px;gap:32px;align-items:center}.app-visuals{display:flex;gap:12px;align-items:flex-start;justify-content:flex-end}.app-feature-pills{display:flex;gap:8px;flex-wrap:wrap}.app-feature-pills span{border:1px solid rgba(255,248,220,.55);border-radius:999px;padding:5px 10px;font-size:12px}.app-feature-list{display:grid;grid-template-columns:1fr 1fr;gap:14px;padding:40px 0 10px}.app-feature-list article{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:20px}.install-panels,.legal-sections,.help-groups,.contact-cards,.about-story{display:grid;grid-template-columns:1fr 1fr;gap:14px}.install-panels article,.legal-sections article,.help-groups article,.contact-cards article,.about-story article{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:20px}.faq-list{padding-bottom:48px;max-width:820px}.about-banner-wrap{padding-top:0}.about-story{padding-bottom:16px}.about-mark{padding:28px 0 48px;display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:center}
/* footer */
.site-footer{background:#2E2408;color:var(--bg);border-top:1px solid rgba(246,231,168,.45);font-size:13px;padding:30px 0 calc(30px + env(safe-area-inset-bottom))}.footer-brand-row{padding-bottom:18px}.footer-brand{display:flex;gap:12px;align-items:center}.footer-brand div{display:flex;flex-direction:column}.footer-brand strong{font-size:16px}.footer-brand span{font-size:11px;opacity:.8}.footer-links{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;border-top:1px solid rgba(246,231,168,.22);padding-top:18px}.footer-links h2{font-size:13px;color:var(--bg);margin-bottom:8px}.footer-links a{display:block;color:var(--bg);padding:3px 0;opacity:.9}.footer-note{border-top:1px solid rgba(246,231,168,.22);margin-top:20px;padding-top:18px;color:var(--bg);opacity:.88}.footer-note p{margin-bottom:8px}
/* menu/search */
.page-overlay{position:fixed;inset:0;background:rgba(46,36,8,.55);z-index:1100;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.page-overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}.bean-menu{position:fixed;left:0;right:0;bottom:0;height:42vh;min-height:300px;background:var(--surface);z-index:1200;border-radius:16px 16px 0 0;transform:translateY(104%);visibility:hidden;pointer-events:none;transition:transform .22s ease,visibility .22s}.bean-menu.is-open{transform:translateY(0);visibility:visible;pointer-events:auto}.bean-menu-head{height:62px;display:flex;align-items:center;justify-content:space-between;padding:0 max(16px,calc((100% - var(--max))/2));border-bottom:1px solid var(--border)}.bean-menu-title{display:flex;align-items:center;gap:10px}.menu-close,.search-close{min-height:44px;padding:0 14px;border:1px solid var(--border-strong);background:var(--ink);color:var(--bg);border-radius:8px;cursor:pointer}.bean-menu-scroll{height:calc(42vh - 62px);overflow:auto;padding:18px max(16px,calc((100% - var(--max))/2)) 24px;display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.menu-group h2{font-size:14px;border-bottom:1px solid var(--border);padding-bottom:7px}.menu-group a{display:block;padding:7px 0}.menu-group a strong,.menu-group a span{display:block}.menu-group a span{font-size:12px;color:var(--muted)}.search-layer{position:fixed;left:0;right:0;top:74px;z-index:1210;visibility:hidden;pointer-events:none;transform:translateY(-12px);opacity:0;transition:.18s}.search-layer.is-open{visibility:visible;pointer-events:auto;transform:translateY(0);opacity:1}.search-card{width:min(calc(100% - 32px),720px);margin:0 auto;background:var(--surface);border:1px solid var(--border-strong);box-shadow:var(--shadow);border-radius:0 0 12px 12px;padding:18px}.search-head{display:flex;justify-content:space-between;align-items:center;gap:18px}.search-card label{display:block;font-size:12px;color:var(--muted);margin-top:12px}.search-card input{width:100%;min-height:44px;background:#fffdf2;border:1px solid var(--border-strong);border-radius:8px;padding:0 12px;color:var(--ink)}.search-presets{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.search-presets a{min-height:44px;padding:0 14px;display:inline-flex;align-items:center;background:var(--deep);border:1px solid var(--border);border-radius:8px;font-weight:800}.mobile-bottom{display:none}
@media (hover:hover){.bean-grid-item:hover,.app-link:hover,.mini-index a:hover,.footer-links a:hover{filter:brightness(.97)}.menu-group a:hover strong{color:var(--accent)}}
@media(max-width:720px){:root{--top:74px}.content-shell,.head-inner{width:calc(100% - 32px)}.bean-grid{display:none}.site-main{padding-top:calc(var(--top) + 20px);padding-bottom:56px}.path-brand{max-width:72%}.app-link,.menu-open{padding:0 10px}.mini-index{grid-template-columns:1fr 1fr}.fold-grid,.large-fold-grid,.shelf-cards,.week-three,.status-section,.week-columns,.status-page-head,.checklist-grid,.install-panels,.legal-sections,.help-groups,.contact-cards,.about-story,.about-mark,.app-feature-list{grid-template-columns:1fr}.fold-b,.large-fold-grid .fold-card:nth-child(2n){transform:none}.shelf-head{align-items:flex-start;flex-direction:column}.weekly-image{height:190px}.status-section{gap:14px}.app-band-inner{grid-template-columns:56px 1fr}.app-band-inner>.app-portrait{grid-column:1/-1;justify-self:center}.note-lines article{grid-template-columns:1fr;gap:3px}.status-block{grid-template-columns:1fr;gap:4px}.method-steps article{grid-template-columns:48px 1fr}.app-hero-inner{grid-template-columns:1fr}.app-visuals{justify-content:flex-start}.app-portrait{height:300px}.footer-links{grid-template-columns:1fr 1fr}.bean-menu{height:58vh}.bean-menu-scroll{height:calc(58vh - 62px);grid-template-columns:1fr 1fr}.search-layer{top:0;bottom:0;background:var(--ink);color:var(--bg);padding:16px}.search-card{width:100%;height:100%;border:0;border-radius:12px;background:var(--ink);color:var(--bg);box-shadow:none;padding:18px}.search-card strong,.search-card p,.search-card label{color:var(--bg)}.search-card input{background:var(--surface);color:var(--ink)}.search-presets a{background:var(--bg);color:var(--ink)}.search-close{background:var(--bg);color:var(--ink)}.mobile-bottom{position:fixed;z-index:1050;left:0;right:0;bottom:0;height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);display:grid;grid-template-columns:repeat(4,1fr);background:var(--surface);border-top:1px solid var(--border-strong)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800}.mobile-bottom a.is-current{background:var(--accent);color:var(--surface)}.site-footer{padding-bottom:calc(78px + env(safe-area-inset-bottom))}.about-mark{display:block}.about-mark .media-slot{margin-bottom:16px}}
@media(max-width:420px){.bean-menu-scroll{grid-template-columns:1fr}.bean-menu{height:66vh}.bean-menu-scroll{height:calc(66vh - 62px)}.head-actions{gap:5px}.app-link,.menu-open{font-size:13px;padding:0 8px}.mini-index{grid-template-columns:1fr}.footer-links{grid-template-columns:1fr 1fr}.app-band-inner{grid-template-columns:1fr}.app-icon-wrap{display:none}.method-steps article{grid-template-columns:1fr}.method-num{font-size:18px}.album-list article{grid-template-columns:1fr}.album-mark{width:36px;height:36px}}