:root{--bg:#2B2C30;--deep:#1A1B1E;--card:#34363C;--soft:#3E4046;--title:#F2F2F4;--text:#D8D8DC;--muted:#A8A8B0;--faint:#888890;--gold:#D4B06A;--blue:#7A92B0;--line:rgba(242,242,244,.12);--focus:rgba(212,176,106,.48);--shadow:0 12px 28px rgba(0,0,0,.28)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden;padding-top:120px}body.overlay-open{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}button{color:inherit}.wrap{width:min(960px,calc(100% - 32px));margin:0 auto}.site-head{position:fixed;z-index:100;left:0;right:0;top:0}.microbar{height:20px;background:var(--deep);font-size:12px;color:var(--text);border-bottom:1px solid var(--line)}.microbar-inner,.brandbar-inner{height:100%;display:flex;align-items:center;justify-content:space-between}.text-button,.menu-button,.close-button{border:0;background:transparent;cursor:pointer;min-height:44px;padding:0 8px}.microbar .text-button{height:20px;min-height:20px;font-size:12px}.brandbar{height:54px;background:var(--card);border-bottom:1px solid var(--focus)}.brand-home{display:inline-flex;align-items:center;min-height:44px;font-weight:800;font-size:16px}.brand-home img,.drawer-brand img,.footer-brand img{display:block;height:24px;width:auto;max-width:150px;object-fit:contain;object-position:center}.brand-actions{display:flex;align-items:center;gap:4px}.small-link,.menu-button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 12px;border-radius:8px}.small-link:hover,.small-link:focus-visible,.menu-button:hover,.menu-button:focus-visible{background:var(--soft);outline:1px solid var(--focus)}
.primary-nav{height:46px;background:var(--deep);border-bottom:1px solid var(--line)}.primary-nav-inner{height:46px;display:flex;align-items:flex-start;justify-content:center;gap:42px}.nav-box{position:relative;width:50px;height:46px;display:flex;justify-content:center;padding-top:3px;font-size:11px}.nav-box span{width:36px;height:36px;border-radius:6px;background:var(--card);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;border:1px solid var(--line);color:var(--title)}.nav-box em{position:absolute;top:33px;font-style:normal;line-height:12px;color:var(--muted);background:var(--deep);padding:0 2px}.nav-box.is-current span{border:2px solid var(--gold);box-shadow:0 0 0 1px rgba(212,176,106,.15)}
.site-main{min-height:60vh}.page-section{padding:46px 0}.page-section.compact{padding:34px 0}.section-soft{background:var(--soft)}.section-deep{background:var(--deep)}h1,h2,h3{color:var(--title);margin:0 0 14px}h1{font-size:24px;line-height:1.3}h2{font-size:20px}h3{font-size:16px}p{margin:0 0 14px}.lead{font-size:16px;color:var(--muted);max-width:760px}.eyebrow{font-size:12px;color:var(--gold);letter-spacing:.08em}.button-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}.btn{height:44px;padding:0 16px;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;white-space:nowrap}.btn-primary{background:linear-gradient(135deg,var(--blue) 0%,var(--gold) 100%);color:var(--deep)}.btn-secondary{background:var(--card);border:1px solid var(--gold);color:var(--title)}.btn:hover,.btn:focus-visible{transform:translateY(-1px);box-shadow:var(--shadow);outline:2px solid var(--focus);outline-offset:2px}.media-slot{background:var(--card);border:1px solid var(--line);border-radius:8px;display:flex;align-items:center;justify-content:center;overflow:hidden;min-height:150px}.media-slot img{display:block;width:100%;height:100%;object-fit:contain;object-position:center}.media-slot.tall{height:320px}.media-slot.banner{height:200px}.media-slot.medium{height:220px}.media-slot.small{height:160px}.content-card{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:20px;box-shadow:var(--shadow)}
.home-index{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}.home-index a{min-width:92px;min-height:44px;display:flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:6px;background:var(--card);font-weight:700}.home-index a:hover,.home-index a:focus-visible{border-color:var(--gold);outline:none}.hero-copy{padding:16px 0 20px}.vertical-cut{display:grid;grid-template-columns:minmax(180px,280px) 1fr;gap:24px;background:var(--card);border:1px solid var(--line);border-radius:8px;padding:20px}.vertical-cut .media-slot{height:200px}.list-lines{display:grid;gap:0;border-top:1px solid var(--line)}.list-line{display:grid;grid-template-columns:56px 1fr;gap:18px;padding:20px 0;border-bottom:1px solid var(--line)}.list-line .line-no{width:44px;height:44px;border-radius:6px;background:var(--deep);border:1px solid var(--gold);display:flex;align-items:center;justify-content:center;color:var(--gold);font-weight:800}.list-line .media-slot{margin:10px 0 4px;height:180px}.grid-cards,.two-cards{display:grid;grid-template-columns:1fr 1fr;gap:16px}.grid-card{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:20px}.grid-card .media-slot{margin-bottom:16px}.shelf-head{margin:0 auto 18px;max-width:620px}.period-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.period-strip article{background:var(--card);border-left:4px solid var(--blue);border-radius:6px;padding:18px}.period-strip article:nth-child(2){border-left-color:var(--gold)}.period-strip article:nth-child(3){border-left-color:#9C8C72}.status-list{display:grid;gap:12px}.status-row{display:grid;grid-template-columns:120px 1fr;gap:16px;align-items:start;background:var(--card);border:1px solid var(--line);border-radius:8px;padding:16px}.status-tag{display:inline-flex;align-items:center;justify-content:center;min-height:36px;border-radius:6px;background:var(--deep);color:var(--gold);font-weight:800}.app-split{display:grid;grid-template-columns:minmax(180px,300px) 1fr;gap:24px;align-items:start}.app-visual{display:grid;gap:12px}.app-visual .media-slot.small{width:72px;height:72px;min-height:72px}.method-stack{display:grid;gap:12px}.method-step{display:grid;grid-template-columns:56px 1fr;gap:16px;background:var(--card);border:1px solid var(--line);border-radius:8px;padding:18px}.method-step b{width:44px;height:44px;border-radius:6px;display:flex;align-items:center;justify-content:center;background:var(--deep);color:var(--gold)}.faq-preview{display:grid;gap:10px}.faq-preview details{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:14px 16px}.faq-preview summary{cursor:pointer;font-weight:800;color:var(--title)}
.layout-split-cut{position:relative;background:var(--card);border-radius:8px;border:1px solid var(--line);padding:28px;overflow:hidden}.layout-split-cut .cut-media{width:260px;float:left;margin:-28px 28px 18px -28px}.layout-split-cut:after{content:"";display:block;clear:both}.single-reading{max-width:760px;margin:0 auto}.single-reading section{margin:0 0 24px;padding:20px;border-left:4px solid var(--blue);background:var(--card);border-radius:0 8px 8px 0}.single-reading section:nth-child(even){border-left-color:var(--gold)}.memo-list{counter-reset:memo;display:grid;gap:12px}.memo-list article{counter-increment:memo;background:var(--card);border:1px solid var(--line);border-radius:8px;padding:18px 18px 18px 60px;position:relative}.memo-list article:before{content:counter(memo,decimal-leading-zero);position:absolute;left:16px;top:16px;color:var(--gold);font-weight:800}.topic-list{display:grid;gap:12px}.topic-list article{display:grid;grid-template-columns:180px 1fr;gap:18px;background:var(--card);border:1px solid var(--line);border-radius:8px;padding:18px}.center-cards{display:grid;gap:18px;max-width:760px;margin:0 auto}.center-cards article{text-align:center;background:var(--card);border:1px solid var(--line);border-radius:8px;padding:24px}.terms{display:grid;gap:16px}.terms section{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:20px}.install-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.install-steps article{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:18px}.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.contact-grid article{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:20px}.about-banner{margin-bottom:22px}.about-manifesto{display:grid;grid-template-columns:1.2fr .8fr;gap:20px;align-items:start}.brand-chip{padding:22px;background:var(--card);border:1px solid var(--line);border-radius:8px}.brand-chip .media-slot{height:170px;margin-top:14px}.image-copy{display:grid;gap:22px;justify-items:center}.image-copy .media-slot{width:min(520px,100%)}
.page-mask{position:fixed;inset:0;z-index:130;background:rgba(0,0,0,.58);opacity:0;pointer-events:none;transition:.2s}.page-mask:not([hidden]){opacity:1;pointer-events:auto}.site-drawer{position:fixed;z-index:140;left:18px;bottom:18px;width:280px;height:min(400px,calc(100vh - 36px));background:var(--card);border:1px solid var(--focus);border-radius:10px;box-shadow:var(--shadow);transform:translateY(115%);visibility:hidden;pointer-events:none;transition:.24s;overflow:hidden}.site-drawer.is-open{transform:translateY(0);visibility:visible;pointer-events:auto}.drawer-top{height:54px;padding:0 12px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.drawer-brand{display:flex;align-items:center;gap:9px}.drawer-scroll{height:calc(100% - 54px);overflow:auto;padding:10px 14px}.drawer-group{padding:6px 0 10px;border-bottom:1px solid var(--line)}.drawer-group:last-child{border-bottom:0}.drawer-group h2{font-size:13px;color:var(--gold);margin:0 0 6px}.drawer-group a{display:block;padding:5px 0}.drawer-group b{display:block;color:var(--title);font-size:14px}.drawer-group small{display:block;color:var(--muted)}.search-panel{position:fixed;z-index:150;left:0;right:0;top:74px;visibility:hidden;pointer-events:none;opacity:0;transition:.18s}.search-panel.is-open{visibility:visible;pointer-events:auto;opacity:1}.search-card{background:var(--card);border:1px solid var(--line);border-radius:0 0 8px 8px;padding:20px;box-shadow:var(--shadow)}.search-heading{display:flex;justify-content:space-between;align-items:center}.search-card label{display:block;color:var(--muted);margin-bottom:8px}.search-card input{width:100%;height:44px;border:1px solid var(--focus);border-radius:8px;background:var(--deep);color:var(--title);padding:0 12px;outline:none}.search-card input:focus{box-shadow:0 0 0 3px rgba(212,176,106,.12)}.search-presets{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.search-presets a{display:inline-flex;align-items:center;min-height:40px;padding:0 14px;border-radius:6px;background:var(--soft)}
.site-footer{background:var(--deep);color:var(--text);font-size:13px;padding:34px 0 20px;border-top:1px solid var(--gold)}.footer-top{display:grid;grid-template-columns:220px 1fr;gap:28px}.footer-brand{display:grid;gap:8px;align-content:start}.footer-links{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.footer-links h2{font-size:13px;color:var(--gold);margin-bottom:8px}.footer-links a{display:block;color:var(--text);padding:3px 0}.footer-note{border-top:1px solid var(--line);margin-top:22px;padding-top:16px;color:var(--muted)}.mobile-bottom{display:none}.spaced-top{margin-top:16px}
@media(max-width:760px){body{padding-top:74px;padding-bottom:calc(48px + env(safe-area-inset-bottom))}.primary-nav{display:none}.brand-actions{gap:0}.small-link,.menu-button{padding:0 9px}.site-drawer{left:6%;bottom:64px;width:88%;height:min(400px,calc(100vh - 100px))}.search-panel{top:0;bottom:0;background:var(--deep)}.search-card{width:100%;height:100%;border-radius:0;border:0;background:var(--deep);color:var(--title);padding:22px 16px}.search-card strong,.search-card label,.search-card .close-button{color:var(--title)}.search-presets a{background:var(--soft);color:var(--title)}.page-section{padding:34px 0}.vertical-cut,.app-split{grid-template-columns:1fr}.vertical-cut .media-slot{height:200px}.grid-cards,.two-cards,.period-strip,.install-steps,.contact-grid{grid-template-columns:1fr}.status-row{grid-template-columns:1fr}.topic-list article{grid-template-columns:1fr}.layout-split-cut .cut-media{float:none;width:calc(100% + 56px);margin:-28px -28px 20px}.about-manifesto{grid-template-columns:1fr}.footer-top{grid-template-columns:1fr}.footer-links{grid-template-columns:1fr 1fr}.mobile-bottom{position:fixed;z-index:120;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(--card);border-top:1px solid var(--line)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;min-height:48px;font-size:13px}.mobile-bottom a.is-current{background:var(--gold);color:var(--deep);font-weight:800}.media-slot.tall{height:280px}.method-step{grid-template-columns:48px 1fr}.wrap{width:min(100% - 32px,960px)}}
@media(max-width:420px){.footer-links{grid-template-columns:1fr 1fr}.home-index a{min-width:calc(50% - 5px)}}