:root{--bg:#F4F6FF;--deep:#E4E8F6;--card:#FBFBFF;--soft:#EEF0FA;--ink:#1E1A2A;--text:#2E2A3A;--muted:#5A5668;--faint:#7A7688;--coral:#E07070;--gold:#E0B050;--mint:#70C090;--sky:#70A8D8;--violet:#A080D0;--line:rgba(30,26,42,.12);--vline:rgba(160,128,208,.48);--shadow:0 12px 28px rgba(30,26,42,.08)}
*{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:126px}body.overlay-open{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}button{color:inherit}.wrap{width:min(980px,calc(100% - 32px));margin:0 auto}.rainbow-rail{position:fixed;z-index:110;left:0;top:0;bottom:0;width:6px;background:linear-gradient(to bottom,var(--coral) 0 20%,var(--gold) 20% 40%,var(--mint) 40% 60%,var(--sky) 60% 80%,var(--violet) 80% 100%)}
.site-head{position:fixed;z-index:100;left:0;right:0;top:0;background:var(--card)}.microbar{height:20px;border-bottom:1px solid var(--line);font-size:12px}.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{min-height:20px;height:20px;font-size:12px}.brandbar{height:54px;border-bottom:1px solid var(--vline)}.brand-home{display:inline-flex;align-items:center;min-height:44px;font-weight:700;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:9px}.small-link:hover,.small-link:focus-visible,.menu-button:hover,.menu-button:focus-visible{background:var(--soft);outline:none}.primary-nav{height:52px;border-bottom:1px solid var(--line);background:var(--card)}.primary-nav-inner{height:100%;display:flex;align-items:center;justify-content:center;gap:30px}.nav-orb{font-size:13px;display:inline-flex;align-items:center;gap:7px;min-height:44px}.nav-orb span{width:22px;height:22px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;color:var(--ink);font-size:11px;border:1px solid transparent}.nav-orb.coral span{background:var(--coral)}.nav-orb.gold span{background:var(--gold)}.nav-orb.mint span{background:var(--mint)}.nav-orb.sky span{background:var(--sky)}.nav-orb.violet span{background:var(--violet)}.nav-orb.is-current span{border:2px solid var(--ink)}
.site-main{min-height:60vh}.page-section{padding:48px 0}.page-section.compact{padding:34px 0}.section-soft{background:var(--soft)}.section-deep{background:var(--deep)}h1,h2,h3{color:var(--ink);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(--muted);letter-spacing:.08em;text-transform:uppercase}.button-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}.btn{min-height:44px;padding:9px 16px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;font-size:14px;font-weight:700}.btn-primary{background:linear-gradient(90deg,var(--sky) 0%,var(--violet) 100%);color:var(--card)}.btn-secondary{background:var(--card);border:1px solid var(--violet);color:var(--ink)}.btn:hover,.btn:focus-visible{transform:translateY(-1px);box-shadow:var(--shadow);outline:2px solid rgba(160,128,208,.25);outline-offset:2px}.media-slot{background:var(--card);border:1px solid var(--line);border-radius:12px;display:flex;align-items:center;justify-content:center;overflow:hidden;min-height:160px}.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:10px;padding:20px;box-shadow:var(--shadow)}
.home-index{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:24px}.home-index a{display:inline-flex;align-items:center;gap:7px;min-height:44px}.home-index span{width:24px;height:24px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;color:var(--ink);font-size:11px}.home-index a:nth-child(1) span{background:var(--coral)}.home-index a:nth-child(2) span{background:var(--gold)}.home-index a:nth-child(3) span{background:var(--mint)}.home-index a:nth-child(4) span{background:var(--sky)}.home-index a:nth-child(5) span{background:var(--violet)}.hero-copy{padding:34px 0 24px}.diagonal-feature{position:relative;min-height:250px;background:var(--card);border:1px solid var(--line);border-radius:12px;overflow:hidden;padding:28px 42% 28px 28px}.diagonal-feature:after{content:"";position:absolute;right:34%;top:-20px;bottom:-20px;width:1px;background:var(--vline);transform:rotate(12deg)}.diagonal-feature .media-slot{position:absolute;right:0;top:0;width:38%;height:176px;border-radius:0 12px 0 12px}.timeline{position:relative;padding-left:28px}.timeline:before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:2px;background:linear-gradient(var(--coral),var(--violet))}.timeline-item{position:relative;margin:0 0 24px;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:18px}.timeline-item:before{content:"";position:absolute;left:-25px;top:22px;width:10px;height:10px;border-radius:50%;background:var(--sky);box-shadow:0 0 0 4px var(--bg)}.timeline-item .media-slot{margin:14px 0;height:180px}.ring-cards{display:grid;grid-template-columns:1fr 1fr;gap:18px}.ring-card{position:relative;background:var(--card);border:1px solid var(--line);border-radius:50% 50% 12px 12px / 28px 28px 12px 12px;padding:28px 22px 22px;min-height:260px}.ring-card:before{content:"";position:absolute;inset:8px;border:1px solid var(--vline);border-radius:inherit;pointer-events:none}.ring-card>*{position:relative}.ring-card .media-slot{height:150px;margin-bottom:16px}.two-cards{display:grid;grid-template-columns:1fr 1fr;gap:18px}.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.period-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.period-strip article{background:var(--card);border-top:5px solid var(--sky);border-radius:10px;padding:18px;box-shadow:var(--shadow)}.period-strip article:nth-child(2){border-top-color:var(--mint)}.period-strip article:nth-child(3){border-top-color:var(--violet)}.status-list{display:grid;gap:12px}.status-row{display:grid;grid-template-columns:130px 1fr;gap:16px;align-items:start;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:16px}.status-tag{display:inline-flex;align-items:center;justify-content:center;min-height:36px;border-radius:18px;background:var(--soft);font-weight:700}.image-copy{display:grid;gap:22px;justify-items:center}.image-copy .media-slot{width:min(520px,100%)}.method-stack{display:grid;gap:14px}.method-step{display:grid;grid-template-columns:64px 1fr;gap:18px;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:18px}.method-step b{width:48px;height:48px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--deep)}.faq-preview{display:grid;gap:12px}.faq-preview details{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:14px 16px}.faq-preview summary{cursor:pointer;font-weight:700;color:var(--ink)}
.layout-split-cut{position:relative;background:var(--card);border-radius:12px;border:1px solid var(--line);padding:28px;overflow:hidden}.layout-split-cut .cut-media{width:42%;float:right;margin:-28px -28px 20px 28px;clip-path:polygon(18% 0,100% 0,100% 100%,0 100%)}.layout-split-cut:after{content:"";display:block;clear:both}.single-reading{max-width:760px;margin:0 auto}.single-reading section{margin:0 0 26px;padding:20px;border-left:4px solid var(--sky);background:var(--card);border-radius:0 10px 10px 0}.single-reading section:nth-child(even){border-left-color:var(--violet)}.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:10px;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(--violet);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:10px;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:12px;padding:24px}.terms{display:grid;gap:16px}.terms section{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:20px}.install-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.install-steps article{background:var(--card);border:1px solid var(--line);border-radius:10px;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:10px;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:12px}.brand-chip .media-slot{height:170px;margin-top:14px}
.page-mask{position:fixed;inset:0;z-index:130;background:rgba(30,26,42,.28);opacity:0;pointer-events:none;transition:.2s}.page-mask:not([hidden]){opacity:1;pointer-events:auto}.site-drawer{position:fixed;z-index:140;left:0;right:0;top:0;height:30vh;min-height:240px;max-height:360px;background:var(--card);border-bottom:1px solid var(--vline);box-shadow:var(--shadow);transform:translateY(-105%);visibility:hidden;pointer-events:none;transition:.24s;overflow:auto}.site-drawer.is-open{transform:translateY(0);visibility:visible;pointer-events:auto}.drawer-top{height:58px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.drawer-brand{display:flex;align-items:center;gap:10px}.drawer-grid{display:grid;grid-template-columns:1.2fr 1.2fr .8fr 1.4fr;gap:22px;padding-top:12px;padding-bottom:18px}.drawer-grid h2{font-size:13px;margin-bottom:8px}.drawer-grid a{display:block;padding:5px 0;font-weight:700}.drawer-grid small{display:block;color:var(--muted);font-weight:400}.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 12px 12px;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(--vline);border-radius:10px;background:#fff;color:var(--ink);padding:0 12px;outline:none}.search-card input:focus{box-shadow:0 0 0 3px rgba(160,128,208,.15)}.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:20px;background:var(--soft)}
.site-footer{position:relative;background:var(--ink);color:var(--bg);font-size:13px;padding:34px 0 20px}.footer-rail{position:absolute;left:0;top:0;bottom:0;width:6px;background:linear-gradient(to bottom,var(--coral) 0 20%,var(--gold) 20% 40%,var(--mint) 40% 60%,var(--sky) 60% 80%,var(--violet) 80% 100%)}.footer-top{display:grid;grid-template-columns:240px 1fr;gap:28px}.footer-brand{display:grid;gap:8px;align-content:start}.footer-brand img{filter:none}.footer-links{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.footer-links h2{font-size:13px;color:var(--bg);margin-bottom:8px}.footer-links a{display:block;color:#F4F6FF;opacity:.9;padding:3px 0}.footer-note{border-top:1px solid rgba(255,255,255,.14);margin-top:22px;padding-top:16px;color:#F4F6FF}.mobile-bottom{display:none}
@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{height:32vh;max-height:320px;min-height:220px}.drawer-grid{grid-template-columns:1fr 1fr;gap:18px}.search-panel{top:0;bottom:0;background:var(--ink)}.search-card{width:100%;height:100%;border-radius:0;border:0;background:var(--ink);color:var(--bg);padding:22px 16px}.search-card strong,.search-card label{color:var(--bg)}.search-card .close-button{color:var(--bg)}.search-presets a{background:rgba(255,255,255,.1);color:var(--bg)}.page-section{padding:34px 0}.diagonal-feature{padding:210px 18px 20px}.diagonal-feature:after{display:none}.diagonal-feature .media-slot{left:0;right:0;top:0;width:100%;height:176px;border-radius:12px 12px 0 0}.ring-cards,.two-cards,.cards-3,.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;clip-path:none}.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(--violet);color:var(--card)}.media-slot.tall{height:280px}.method-step{grid-template-columns:48px 1fr}.wrap{width:min(100% - 32px,980px)}}
@media(max-width:420px){.drawer-grid{grid-template-columns:1fr}.footer-links{grid-template-columns:1fr 1fr}.home-index{gap:8px}.home-index a{font-size:13px}.ring-card{border-radius:28px 28px 10px 10px}}

.spaced-top{margin-top:16px}