*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#F6EDE4;color:#2A241C;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}body.locked{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.top-strip{position:fixed;left:0;right:0;top:0;height:20px;background:#1A1612;color:#FFF8F2;z-index:60}.top-strip-inner,.header-inner,.quick-nav-inner,.footer-inner,.content-wrap{width:min(960px,calc(100% - 32px));margin:0 auto}.top-strip-inner{height:20px;display:flex;align-items:center;justify-content:space-between;font-size:12px}.text-button{border:0;background:transparent;color:#FFF8F2;padding:0 4px;cursor:pointer}.site-header{position:fixed;left:0;right:0;top:20px;height:54px;background:#FFF8F2;border-bottom:1px solid rgba(224,112,48,.5);z-index:60}.header-inner{height:54px;display:flex;align-items:center;justify-content:space-between}.brand{display:inline-flex;align-items:center;height:44px}.brand-logo{height:24px;max-width:120px;object-fit:contain}.brand-fallback{font-weight:800;font-size:16px;color:#1A1612}.header-actions{display:flex;align-items:center;gap:8px}.header-app,.menu-button{height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:4px;padding:0 14px}.header-app{background:linear-gradient(135deg,#1A1612 0%,#E07030 100%);color:#FFF8F2}.menu-button{border:1px solid rgba(26,22,18,.18);background:#FFF8F2;color:#1A1612;cursor:pointer}.quick-nav{position:fixed;top:74px;left:0;right:0;height:46px;background:#FFF8F2;border-bottom:1px solid rgba(26,22,18,.12);z-index:50}.quick-nav-inner{height:46px;display:flex;align-items:center;gap:22px}.quick-item{display:inline-flex;align-items:center;gap:8px;font-size:13px}.quick-square{width:18px;height:18px;border:1px solid #1A1612;border-radius:2px;background:#FFF8F2}.quick-item.is-active .quick-square{background:#E07030;border-color:#E07030}.site-main{padding-top:148px;padding-bottom:38px}.content-wrap{max-width:960px}.section-space{margin-top:44px}.eyebrow{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:#B06030;margin:0 0 8px}.home-intro{padding:34px 0 10px}.home-intro h1,.page-head h1{font-size:24px;line-height:1.3;margin:0 0 14px;color:#1A1612}.lead{font-size:15px;line-height:1.8;color:#5A5048;max-width:760px;margin:0 0 18px}.mini-index{display:flex;gap:10px;margin-bottom:28px;flex-wrap:wrap}.mini-index a{display:flex;align-items:center;gap:8px;background:#E07030;color:#FFF8F2;padding:9px 12px;border-radius:4px}.mini-index a span{width:13px;height:13px;border-radius:2px;background:#1A1612}.button{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 16px;border-radius:4px;font-size:14px}.button.primary{background:linear-gradient(135deg,#1A1612 0%,#E07030 100%);color:#FFF8F2}.button.secondary{background:#FFF8F2;color:#1A1612;border:1px solid #E07030}.button:hover,.button:focus-visible,.header-app:hover,.header-app:focus-visible,.menu-button:hover,.menu-button:focus-visible,.text-link:hover,.text-link:focus-visible{outline:2px solid rgba(224,112,48,.5);outline-offset:2px}.section-heading{margin-bottom:16px}.section-heading h2,.text-section h2{font-size:20px;line-height:1.35;margin:0;color:#1A1612}.section-heading p{margin-bottom:6px}.media-slot{background:#F0E4D6;border:1px solid rgba(26,22,18,.12);display:flex;align-items:center;justify-content:center;overflow:hidden}.media-slot img{width:100%;height:100%;object-fit:contain;object-position:center}.ratio-wide{min-height:176px;max-height:220px}.ratio-card{min-height:180px;max-height:260px}.ratio-app{height:320px}.ratio-banner{height:200px}.icon-slot{width:48px;height:48px;min-width:48px;min-height:48px}.slant-record{display:grid;grid-template-columns:minmax(0,300px) 1fr;gap:24px;align-items:stretch}.slant-media{clip-path:polygon(0 0,100% 0,88% 100%,0 100%)}.slant-copy{background:#FFF8F2;border-left:4px solid #E07030;padding:24px}.slant-copy h2{font-size:20px;margin:0 0 10px}.slant-copy p{margin:0 0 10px}.text-link{color:#B06030;text-decoration:underline;text-underline-offset:3px}.double-cards,.cards-two{display:grid;grid-template-columns:1fr 1fr;gap:16px}.feature-card,.cards-two article,.paper-pair article,.center-cards article,.topic-list article,.single-flow article,.terms-page article,.faq-long article,.slant-list article,.checklist-page article,.method-flow article,.about-flow article{background:#FFF8F2;border:1px solid rgba(26,22,18,.12);box-shadow:0 12px 28px rgba(26,22,18,.10);border-radius:4px;padding:20px}.feature-card h2,.feature-card h3,.cards-two h3,.paper-pair h3,.topic-list h2,.single-flow h2,.terms-page h2,.faq-long h2,.slant-list h2,.checklist-page h2,.method-flow h2,.about-flow h2,.center-cards h2{color:#1A1612;margin:14px 0 8px}.feature-card h2,.topic-list h2,.single-flow h2,.terms-page h2,.faq-long h2,.slant-list h2,.checklist-page h2,.method-flow h2,.about-flow h2,.center-cards h2{font-size:20px}.feature-card h3,.cards-two h3,.paper-pair h3{font-size:16px}.feature-card p,.cards-two p,.paper-pair p,.topic-list p,.single-flow p,.terms-page p,.faq-long p,.slant-list p,.checklist-page p,.method-flow p,.about-flow p,.center-cards p{margin:0;color:#5A5048}.paper-pair{display:grid;grid-template-columns:1.08fr .92fr;gap:18px}.paper-pair article:first-child{transform:rotate(-.5deg)}.paper-pair article:last-child{transform:rotate(.4deg)}.period-row{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:12px}.period-row article{background:#FFF8F2;border-top:4px solid #E07030;padding:16px}.period-row h3{font-size:16px;margin:0 0 8px}.status-list{display:grid;gap:10px}.status-item{display:grid;grid-template-columns:110px 1fr;gap:16px;align-items:start;background:#FFF8F2;border-left:4px solid #E07030;padding:14px 16px}.status-item strong{color:#1A1612}.app-split{display:grid;grid-template-columns:minmax(220px,320px) 1fr;gap:28px;align-items:start}.app-icon-line{display:flex;align-items:center;gap:10px;margin-top:10px}.app-copy h2{font-size:20px;margin:0 0 10px}.app-copy p{margin:0 0 16px}.text-section{background:#E8D8C8;padding:22px;border-radius:4px}.text-section p{margin:8px 0 0}.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.faq-grid article{background:#FFF8F2;border:1px solid rgba(26,22,18,.12);padding:16px;border-radius:4px}.faq-grid h3{font-size:16px;margin:0 0 7px}.faq-grid p{margin:0}.page-head{padding-top:20px}.page-head .media-slot{margin-top:18px}.slant-list{display:grid;gap:14px}.slant-list article{display:grid;grid-template-columns:52px 1fr;gap:14px;align-items:start;clip-path:polygon(0 0,100% 0,97% 100%,0 100%)}.slant-list article>span{font-weight:800;font-size:20px;color:#E07030}.paper-stack{display:grid;grid-template-columns:1fr 1fr;gap:16px}.paper-stack article:nth-child(odd){transform:translateY(8px)}.period-columns{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.period-columns article{background:#FFF8F2;border-top:5px solid #E07030;padding:18px}.period-columns article:nth-child(n+4){grid-column:span 1}.period-label{font-size:12px;color:#B06030}.period-columns h2{font-size:18px;margin:8px 0}.status-page{display:grid;gap:12px}.status-page article{display:grid;grid-template-columns:110px 1fr;gap:18px;align-items:start;background:#FFF8F2;border:1px solid rgba(26,22,18,.12);padding:18px}.status-page article>strong{background:#1A1612;color:#FFF8F2;padding:10px;text-align:center;border-radius:3px}.status-page article:nth-child(2)>strong,.status-page article:nth-child(5)>strong{background:#E07030}.checklist-page{display:grid;gap:14px}.checklist-page article{display:grid;grid-template-columns:44px 1fr;gap:16px}.checklist-page article>span{width:34px;height:34px;border-radius:4px;background:#E07030;color:#FFF8F2;display:flex;align-items:center;justify-content:center;font-weight:700}.method-flow{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}.method-flow article{padding:16px}.method-no{font-size:12px;color:#B06030}.method-flow h2{font-size:16px}.topic-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}.center-cards{max-width:760px;display:grid;gap:14px}.center-cards article{text-align:center;border-top:4px solid #E07030}.app-details{display:grid;grid-template-columns:1fr 1fr;gap:14px}.app-details>.icon-slot{grid-column:1/-1}.app-details article{background:#FFF8F2;border:1px solid rgba(26,22,18,.12);padding:18px}.app-details h2{font-size:18px;margin:0 0 8px}.notice-box{grid-column:1/-1;background:#1A1612;color:#FFF8F2;padding:16px;border-radius:4px}.terms-page{display:grid;gap:12px}.terms-page article{display:grid;grid-template-columns:44px 1fr;gap:16px}.terms-page article>span{color:#E07030;font-weight:800}.single-flow{display:grid;gap:14px}.about-flow{display:grid;grid-template-columns:1fr 1fr;gap:14px}.about-flow>.media-slot{grid-column:1/-1}.faq-long{display:grid;gap:12px}.faq-long article{box-shadow:none}.site-footer{background:#1A1612;color:#F6EDE4;border-top:1px solid #E07030;padding:30px 0 calc(30px + env(safe-area-inset-bottom))}.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:24px}.footer-logo{height:24px;max-width:110px;object-fit:contain}.footer-brand strong{display:block}.footer-brand span{font-size:12px;color:#D8C6B8}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}.footer-grid h2{font-size:13px;color:#F6EDE4;margin:0 0 8px}.footer-grid a{display:block;font-size:13px;color:#DCCEC0;margin:4px 0}.footer-note,.copyright{font-size:13px;color:#CBBBAE}.footer-note{border-top:1px solid rgba(246,237,228,.14);padding-top:18px;margin-top:22px}.copyright{margin-bottom:0}.overlay{position:fixed;inset:0;background:rgba(26,22,18,.42);z-index:80;opacity:0;pointer-events:none;transition:opacity .18s}.overlay.is-visible{opacity:1;pointer-events:auto}.menu-panel{position:fixed;top:24px;left:50%;transform:translate(-50%,-18px);width:320px;max-height:360px;overflow:auto;background:#1A1612;color:#FFF8F2;z-index:90;border:1px solid rgba(224,112,48,.5);border-radius:6px;padding:14px;opacity:0;visibility:hidden;pointer-events:none;transition:.18s}.menu-panel.is-open{opacity:1;visibility:visible;pointer-events:auto;transform:translate(-50%,0)}.menu-head,.search-head{display:flex;align-items:center;justify-content:space-between;gap:10px}.menu-brand{display:flex;align-items:center;gap:8px}.menu-brand img{height:24px;max-width:90px;object-fit:contain}.close-button{min-height:40px;border:1px solid rgba(224,112,48,.5);background:#FFF8F2;color:#1A1612;border-radius:4px;padding:0 12px;cursor:pointer}.menu-columns{display:grid;gap:12px;margin-top:12px}.menu-columns section{border-top:1px solid rgba(255,248,242,.12);padding-top:8px}.menu-columns h2{font-size:13px;margin:0 0 4px;color:#F6EDE4}.menu-columns a{display:grid;grid-template-columns:76px 1fr;gap:8px;padding:5px 0;font-size:13px}.menu-columns a span{color:#CBBBAE}.search-panel{position:fixed;top:74px;left:50%;transform:translateX(-50%);width:min(560px,calc(100% - 32px));z-index:90;opacity:0;visibility:hidden;pointer-events:none}.search-panel.is-open{opacity:1;visibility:visible;pointer-events:auto}.search-card{background:#FFF8F2;border:1px solid rgba(224,112,48,.5);box-shadow:0 12px 28px rgba(26,22,18,.16);padding:18px}.search-card p{margin:8px 0 12px;color:#5A5048}.search-card input{width:100%;height:44px;border:1px solid rgba(26,22,18,.18);background:#F6EDE4;color:#1A1612;padding:0 12px;border-radius:4px}.search-links{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.search-links a{min-height:40px;display:inline-flex;align-items:center;background:#E07030;color:#FFF8F2;padding:0 12px;border-radius:4px}.mobile-nav{display:none}
@media(max-width:760px){body{padding-bottom:calc(48px + env(safe-area-inset-bottom))}.quick-nav{display:none}.site-main{padding-top:100px}.top-strip-inner,.header-inner,.footer-inner,.content-wrap{width:calc(100% - 32px)}.header-actions{gap:6px}.header-app,.menu-button{padding:0 10px}.slant-record,.double-cards,.cards-two,.paper-pair,.app-split,.paper-stack,.topic-list,.app-details,.about-flow{grid-template-columns:1fr}.slant-media{clip-path:none}.period-row,.period-columns{grid-template-columns:1fr}.method-flow{grid-template-columns:1fr}.faq-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.menu-panel{top:26px;width:88%;max-height:360px}.search-panel{top:0;left:0;transform:none;width:100%;height:100%;background:#1A1612;color:#FFF8F2;padding:74px 16px 16px}.search-card{background:#1A1612;color:#FFF8F2;border:0;box-shadow:none;padding:0}.search-card p{color:#F6EDE4}.search-card input{background:#FFF8F2;color:#1A1612}.mobile-nav{position:fixed;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:#1A1612;border-top:1px solid #E07030;z-index:55}.mobile-nav a{min-height:48px;display:flex;align-items:center;justify-content:center;color:#F6EDE4;font-size:13px}.mobile-nav a.is-active{background:#E07030;color:#1A1612}.ratio-app{height:300px}.slant-list article,.terms-page article,.checklist-page article,.status-page article{grid-template-columns:1fr}.status-page article>strong{text-align:left}.about-flow>.media-slot,.app-details>.icon-slot,.notice-box{grid-column:auto}}
.reading-note{display:grid;grid-template-columns:1fr 1fr;gap:14px}.reading-note article{background:#E8D8C8;border-top:3px solid #E07030;padding:18px;border-radius:4px}.reading-note h2{font-size:18px;margin:0 0 8px;color:#1A1612}.reading-note p{margin:0;color:#5A5048}@media(max-width:760px){.reading-note{grid-template-columns:1fr}}
