:root{--bg:#F6F0DC;--deep:#E6DCC0;--card:#FBF7EA;--soft:#EFE6CE;--ink:#18140A;--text:#2A2414;--muted:#5A4E30;--aux:#7A6E48;--gold:#6E5418;--honey:#C9A03A;--line:rgba(24,20,10,.12);--strong:rgba(110,84,24,.50);--shadow:0 12px 28px rgba(24,20,10,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:"Microsoft YaHei","PingFang SC",Arial,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}button{cursor:pointer}.shell,.top-wrap{width:min(960px,calc(100% - 32px));margin:0 auto}.site-top{position:fixed;z-index:80;top:0;left:0;right:0}.edge-bar{height:20px;background:var(--ink);color:var(--honey);font-size:12px}.edge-inner{height:20px;display:flex;align-items:center;justify-content:space-between}.text-button{border:0;background:transparent;color:var(--honey);padding:0 4px;height:20px}.brand-bar{height:54px;background:var(--card);border-bottom:1px solid var(--strong)}.brand-inner{height:54px;display:flex;align-items:center;justify-content:space-between;gap:12px}.brand-link{display:flex;align-items:center;min-height:44px;font-weight:800;font-size:16px;color:var(--ink)}.logo-slot{display:inline-flex;align-items:center;justify-content:center;min-width:0}.brand-logo{height:24px;max-width:170px;object-fit:contain;object-position:center}.brand-link .logo-slot:empty{display:none}.brand-link .logo-slot:not(:empty)+.brand-fallback{display:none}.brand-actions{display:flex;align-items:center;gap:8px}.small-link,.menu-button{min-height:44px;display:inline-flex;align-items:center;justify-content:center;padding:0 14px;border-radius:10px;font-size:14px}.small-link{color:var(--card);background:linear-gradient(135deg,#18140A 0%,#C9A03A 100%)}.menu-button{border:1px solid var(--gold);background:var(--card);color:var(--ink)}.leaf-bar{height:46px;background:var(--card);border-bottom:1px solid var(--line)}.leaf-inner{height:46px;display:flex;align-items:center;gap:26px}.leaf-link{height:44px;display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted)}.leaf-shape{width:22px;height:14px;border:1.5px solid var(--gold);border-radius:10px 8px 10px 2px;transform:rotate(-8deg);background:transparent}.leaf-link.active .leaf-shape{background:var(--honey);border-color:var(--honey)}.leaf-link.active{color:var(--ink);font-weight:700}.site-main{padding-top:140px;padding-bottom:34px;min-height:65vh}.section{margin:28px auto}.hero{padding:28px 0 12px}.eyebrow{font-size:13px;color:var(--gold);font-weight:700;letter-spacing:.08em}.hero h1,h1{font-size:24px;line-height:1.3;color:var(--ink);margin:10px 0 12px}.hero .lead{max-width:760px;color:var(--muted);margin:0 0 18px}.tagline{font-size:20px;font-weight:800;color:var(--ink);margin:0 0 10px}.button-row{display:flex;gap:10px;flex-wrap:wrap}.primary-button,.secondary-button{height:42px;min-width:118px;display:inline-flex;align-items:center;justify-content:center;border-radius:10px;padding:0 16px;font-size:14px}.primary-button{color:var(--card);background:linear-gradient(135deg,#18140A 0%,#C9A03A 100%)}.secondary-button{background:var(--card);border:1px solid var(--gold);color:var(--ink)}a:hover{opacity:.86}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(201,160,58,.45);outline-offset:2px}.card{background:var(--card);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}.image-slot{background:var(--card);border:1px solid var(--line);border-radius:18px;display:flex;align-items:center;justify-content:center;overflow:hidden}.image-slot img{width:100%;height:100%;object-fit:contain;object-position:center}.image-slot:empty::after{content:"";display:block;min-height:70px}.section h2{font-size:20px;line-height:1.4;color:var(--ink);margin:0 0 12px}.section h3{font-size:16px;color:var(--ink);margin:0 0 8px}.section p{margin:0 0 12px}.muted{color:var(--muted)}.note{padding:16px 18px;background:var(--soft);border-left:3px solid var(--honey);border-radius:0 14px 14px 0}.mini-index{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:18px}.mini-index a{display:inline-flex;align-items:center;gap:7px;min-height:44px;padding:0 12px;border:1px solid var(--line);border-radius:999px;background:var(--card)}.mini-index i{display:block;width:20px;height:13px;border:1.5px solid var(--gold);border-radius:10px 8px 10px 2px}.home-vertical{display:grid;grid-template-columns:minmax(180px,260px) 1fr;gap:20px;align-items:stretch}.home-vertical .image-slot{height:200px}.copy-card{padding:22px}.home-double{display:grid;grid-template-columns:1.05fr .95fr;gap:18px}.home-double article{padding:20px}.home-double .image-slot{height:170px;margin-bottom:15px}.home-ring{position:relative;padding:28px 34px}.home-ring:before,.home-ring:after{content:"";position:absolute;border:1px solid var(--strong);border-radius:18px;pointer-events:none}.home-ring:before{inset:10px 20px}.home-ring:after{inset:22px 34px}.home-ring .ring-content{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;gap:16px;padding:22px}.home-ring .image-slot{height:160px}.archive-cards{display:grid;grid-template-columns:1fr 1fr;gap:18px}.archive-cards article{padding:20px}.archive-head-image{height:170px;margin-bottom:18px}.period-grid{display:grid;grid-template-columns:1fr 1.2fr .9fr;gap:14px}.period-grid article{padding:18px;min-height:150px}.period-grid article:nth-child(2){transform:translateY(12px)}.status-panel{padding:20px}.status-row{display:grid;grid-template-columns:130px 1fr auto;gap:12px;align-items:center;padding:14px 0;border-bottom:1px solid var(--line)}.status-row:last-child{border-bottom:0}.status-badge{font-size:13px;border:1px solid var(--strong);border-radius:999px;padding:4px 10px;background:var(--card);white-space:nowrap}.app-sandwich{padding:24px}.app-media{display:flex;justify-content:center;gap:16px;align-items:center;margin:16px 0}.app-poster{width:min(100%,360px);height:300px}.app-icon{width:64px;height:64px;border-radius:16px}.faq-six{display:grid;grid-template-columns:1fr 1fr;gap:12px}.faq-six details{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px 16px}.faq-six summary{font-weight:700;color:var(--ink);cursor:pointer}.brand-story{padding:24px;border-radius:18px;background:linear-gradient(120deg,var(--ink),#3b2e13);color:var(--bg)}.brand-story h2{color:var(--honey)}.section-action{margin-top:14px}
/* 内页版式 */
.page-intro{padding:22px 0}.page-intro .lede{max-width:780px;color:var(--muted)}.layout-double{display:grid;grid-template-columns:1fr 1fr;gap:20px}.layout-double article{padding:22px}.layout-double .image-slot{height:190px;margin-bottom:14px}.layout-vertical{display:grid;grid-template-columns:230px 1fr;gap:22px}.layout-vertical .image-slot{height:360px;position:sticky;top:150px}.layout-vertical .stack article{padding:18px 20px;margin-bottom:14px}.layout-ring{position:relative;padding:42px}.layout-ring:before{content:"";position:absolute;inset:10px;border:1px solid var(--strong);border-radius:20px}.layout-ring:after{content:"";position:absolute;inset:26px;border:1px solid var(--line);border-radius:20px}.layout-ring .ring-body{position:relative;z-index:1;background:var(--card);border-radius:18px;padding:26px}.layout-ring .ring-body .image-slot{height:210px;margin-bottom:18px}.single-flow{max-width:760px;margin-left:auto;margin-right:auto}.single-flow article{padding:22px;margin-bottom:16px}.single-flow .image-slot{height:230px;margin:0 0 18px}.period-page{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px}.period-page article{padding:22px}.period-page article:nth-child(2){margin-top:24px}.period-page article:nth-child(3){margin-top:48px}.timeline-status{padding:18px 22px}.timeline-status .line{display:grid;grid-template-columns:120px 1fr;gap:16px;padding:18px 0;border-bottom:1px solid var(--line)}.timeline-status .line:last-child{border-bottom:0}.memo-list{counter-reset:memo}.memo-list article{position:relative;padding:20px 20px 20px 64px;margin-bottom:14px}.memo-list article:before{counter-increment:memo;content:counter(memo);position:absolute;left:18px;top:18px;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:var(--ink);color:var(--honey);font-weight:800}.method-stairs{display:grid;gap:12px}.method-stairs article{padding:18px 20px}.method-stairs article:nth-child(2){margin-left:5%}.method-stairs article:nth-child(3){margin-left:10%}.method-stairs article:nth-child(4){margin-left:15%}.topic-list article{display:grid;grid-template-columns:160px 1fr;gap:18px;padding:20px;border-bottom:1px solid var(--line)}.topic-list article:last-child{border-bottom:0}.topic-list h2{margin:0}.center-cards{max-width:760px;margin:0 auto;display:grid;gap:16px}.center-cards article{text-align:center;padding:24px}.center-cards .image-slot{height:190px}.app-page .app-sandwich{max-width:760px;margin:0 auto}.install-flow{display:grid;grid-template-columns:1fr 1.1fr .9fr;gap:14px}.install-flow article{padding:20px}.install-flow article:nth-child(2){margin-top:24px}.terms{display:grid;gap:14px}.terms section{padding:20px 22px}.grade-bars{display:grid;gap:14px}.grade-bars article{padding:18px 20px;border-left:6px solid var(--honey)}.privacy-path{display:grid;grid-template-columns:1fr 1fr;gap:16px}.privacy-path article{padding:20px}.privacy-path article:nth-child(3){grid-column:1/-1}.help-map{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px}.help-map article{padding:20px}.faq-list{display:grid;gap:12px}.faq-list details{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:16px 18px}.faq-list summary{font-weight:800;color:var(--ink);cursor:pointer}.faq-list p{margin-top:12px}.contact-columns{display:grid;grid-template-columns:1fr 1fr;gap:16px}.contact-columns article{padding:22px}.contact-columns .wide{grid-column:1/-1}.about-banner{height:200px;margin:0 0 22px}.about-manifesto{display:grid;grid-template-columns:.9fr 1.1fr;gap:18px}.about-manifesto article{padding:22px}.about-manifesto .brand-image{height:200px}.site-footer{background:var(--ink);color:var(--bg);border-top:1px solid var(--honey);font-size:13px;padding:26px 0 80px}.footer-head{margin-bottom:18px}.footer-brand{display:flex;align-items:center;gap:10px}.footer-brand .footer-logo-slot:empty{display:none}.footer-brand strong{color:var(--honey);font-size:15px}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.footer-grid h2{font-size:13px;color:var(--honey);margin:0 0 10px}.footer-grid a{display:block;color:var(--bg);padding:4px 0}.footer-note{border-top:1px solid rgba(201,160,58,.28);margin-top:20px;padding-top:16px;color:#d9cfb5}.footer-note p{margin:4px 0}.overlay{position:fixed;z-index:100;inset:0;background:rgba(24,20,10,.52);visibility:hidden;opacity:0;pointer-events:none;transition:.2s}.overlay.open{visibility:visible;opacity:1;pointer-events:auto}.bag-panel{position:fixed;z-index:120;right:max(16px,calc((100vw - 960px)/2));top:84px;width:300px;max-height:350px;background:var(--card);border:1px solid var(--strong);border-radius:18px;box-shadow:0 20px 60px rgba(24,20,10,.22);transform:translateY(-16px);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.bag-panel.open{transform:none;opacity:1;visibility:visible;pointer-events:auto}.bag-head{display:flex;justify-content:space-between;align-items:center;padding:12px 14px;border-bottom:1px solid var(--line)}.bag-brand{display:flex;gap:8px;align-items:center}.close-button{min-height:44px;border:1px solid var(--gold);background:var(--card);color:var(--ink);border-radius:10px;padding:0 12px}.bag-scroll{padding:10px 14px 14px;overflow:auto;max-height:290px}.bag-scroll section+section{margin-top:12px}.bag-scroll h2{font-size:13px;color:var(--gold);margin:0 0 6px}.bag-scroll a{display:grid;grid-template-columns:78px 1fr;gap:8px;padding:7px 0;border-bottom:1px dashed var(--line)}.bag-scroll a span{font-size:12px;color:var(--muted)}.search-panel{position:fixed;z-index:115;left:50%;top:82px;width:min(620px,calc(100% - 32px));transform:translate(-50%,-12px);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.search-panel.open{transform:translate(-50%,0);opacity:1;visibility:visible;pointer-events:auto}.search-card{background:var(--card);border:1px solid var(--strong);border-radius:18px;box-shadow:0 20px 60px rgba(24,20,10,.22);padding:16px}.search-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}.search-card label{display:block;color:var(--muted);margin-bottom:8px}.search-card input{width:100%;height:44px;border:1px solid var(--strong);border-radius:10px;background:white;padding:0 12px;color:var(--ink)}.search-presets{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.search-presets a{min-height:44px;display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:999px;padding:0 14px}.mobile-nav{display:none}
@media(max-width:760px){.leaf-bar{display:none}.site-main{padding-top:90px;padding-bottom:70px}.shell,.top-wrap{width:calc(100% - 32px)}.brand-actions{gap:4px}.small-link,.menu-button{padding:0 10px}.home-vertical,.home-double,.archive-cards,.period-grid,.layout-double,.layout-vertical,.period-page,.install-flow,.privacy-path,.help-map,.contact-columns,.about-manifesto{grid-template-columns:1fr}.home-ring{padding:22px 12px}.home-ring:before{inset:6px}.home-ring:after{inset:16px}.home-ring .ring-content{grid-template-columns:1fr;padding:20px 12px}.period-grid article:nth-child(2),.period-page article:nth-child(2),.period-page article:nth-child(3),.install-flow article:nth-child(2){transform:none;margin-top:0}.status-row{grid-template-columns:1fr;gap:6px}.faq-six{grid-template-columns:1fr}.layout-vertical .image-slot{position:static;height:240px}.layout-ring{padding:26px 10px}.layout-ring:before{inset:4px}.layout-ring:after{inset:14px}.topic-list article{grid-template-columns:1fr;gap:8px}.method-stairs article:nth-child(n){margin-left:0}.privacy-path article:nth-child(3),.contact-columns .wide{grid-column:auto}.footer-grid{grid-template-columns:1fr 1fr}.site-footer{padding-bottom:88px}.bag-panel{right:16px;top:78px;width:88%;max-height:350px}.search-panel{inset:0;width:100%;height:100%;transform:none;background:var(--ink);padding:84px 16px 70px}.search-panel.open{transform:none}.search-card{background:transparent;border:0;box-shadow:none;color:var(--honey);padding:0}.search-card label{color:var(--honey)}.search-head strong{color:var(--honey)}.search-card .close-button{background:transparent;color:var(--honey);border-color:var(--honey)}.search-card input{background:var(--card);color:var(--ink)}.search-presets a{color:var(--honey);border-color:rgba(201,160,58,.5)}.mobile-nav{display:grid;position:fixed;z-index:70;left:0;right:0;bottom:0;height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);grid-template-columns:repeat(4,1fr);background:var(--card);border-top:1px solid var(--strong)}.mobile-nav a{display:flex;align-items:center;justify-content:center;font-size:13px}.mobile-nav a.active{background:var(--honey);color:var(--ink);font-weight:800}.about-banner{height:180px}.app-media{flex-direction:column}.app-poster{height:280px}}
@media(max-width:420px){.brand-fallback{max-width:112px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.footer-grid{grid-template-columns:1fr}.bag-scroll a{grid-template-columns:70px 1fr}.hero h1,h1{font-size:23px}}