:root{--bg:#F7F0E4;--deep:#E8DCC8;--card:#FFF8EE;--soft:#F3E8D4;--ink:#2A2418;--text:#3A3428;--muted:#6A6458;--faint:#8A8478;--coral:#E07070;--gold:#E0B050;--mint:#70C090;--sky:#70A8D8;--violet:#A080D0;--rose:#E7A0A8;--border:rgba(42,36,24,.12);--goldborder:rgba(224,176,80,.50);--shadow:0 12px 28px rgba(42,36,24,.08);--radius:22px;--max:960px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit}a,button{outline:none}a:focus-visible,button:focus-visible{box-shadow:0 0 0 3px rgba(112,168,216,.38);border-radius:10px}.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}.skip-link{position:fixed;left:16px;top:-60px;z-index:100;background:var(--card);padding:8px 12px;border:1px solid var(--border)}.skip-link:focus{top:8px}.site-head{position:fixed;inset:0 0 auto;z-index:50;background:var(--card);box-shadow:0 4px 16px rgba(42,36,24,.06)}.microbar{height:20px;display:flex;align-items:center;justify-content:space-between;max-width:var(--max);margin:auto;padding:0 16px;font-size:12px}.micro-brand{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.text-button,.drawer-button,.icon-close{border:0;background:transparent;cursor:pointer;min-width:44px;min-height:44px}.microbar .text-button{min-height:20px;height:20px;padding:0 2px;font-size:12px;position:relative}.microbar .text-button:after,.micro-brand:after{content:"";position:absolute;inset:-12px -8px}.micro-brand{position:relative}.brandbar{height:54px;display:flex;align-items:center;justify-content:space-between;max-width:var(--max);margin:auto;padding:0 16px;position:relative}.brandbar:after{content:"";position:absolute;left:16px;right:16px;bottom:0;height:4px;background:linear-gradient(90deg,var(--coral) 0 20%,var(--gold) 20% 40%,var(--mint) 40% 60%,var(--sky) 60% 80%,var(--violet) 80%)}.brandmark{font-weight:800;font-size:16px;display:flex;align-items:center;min-height:44px}.brand-logo{height:24px;width:auto;max-width:170px;object-fit:contain}.brand-actions{display:flex;align-items:center;gap:4px}.header-app,.drawer-button{min-height:44px;padding:10px 12px;display:inline-flex;align-items:center;justify-content:center;border-radius:12px}.header-app{border:1px solid var(--goldborder);background:var(--card);font-size:14px}.drawer-button{background:var(--soft);border:1px solid var(--border);font-size:14px}.beadnav{height:50px;max-width:var(--max);margin:auto;padding:0 16px;display:flex;align-items:center;justify-content:center;gap:28px;background:var(--card);font-size:13px}.bead-item{display:flex;align-items:center;gap:8px;min-height:44px}.bead{width:12px;height:12px;border-radius:50%;display:block;transition:.2s}.bead-item.is-current{font-weight:800}.bead-item.is-current .bead{width:16px;height:16px}.bead.coral{background:var(--coral)}.bead.gold{background:var(--gold)}.bead.mint{background:var(--mint)}.bead.sky{background:var(--sky)}.bead.violet{background:var(--violet)}.bead.sand{background:#D8C8AE}.bead.rose{background:var(--rose)}.site-main{max-width:var(--max);margin:0 auto;padding:148px 16px 72px}.content-section{margin:34px 0}.eyebrow{font-size:12px;letter-spacing:.12em;color:var(--muted);font-weight:700}.hero-index{padding:28px 0 12px}.hero-index h1,.page-hero h1{margin:8px 0 10px;color:var(--ink);font-size:24px;line-height:1.3}.lead{font-size:16px;color:var(--text);max-width:760px}.index-dots{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:20px}.index-dots a{display:inline-flex;align-items:center;gap:7px;min-height:44px;padding:8px 12px;background:var(--card);border:1px solid var(--border);border-radius:999px}.dot{width:10px;height:10px;border-radius:50%}.dot.coral{background:var(--coral)}.dot.gold{background:var(--gold)}.dot.mint{background:var(--mint)}.dot.sky{background:var(--sky)}.dot.violet{background:var(--violet)}.primary-button,.secondary-button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;border-radius:14px;font-size:14px;font-weight:800;margin-top:12px}.primary-button{background:linear-gradient(90deg,#E0B050 0%,#E07070 52%,#A080D0 100%);color:#2A2418;border:1px solid rgba(42,36,24,.08)}.secondary-button{background:var(--card);color:var(--ink);border:1px solid var(--goldborder)}.section-title{font-size:20px;line-height:1.35;color:var(--ink);margin:0 0 12px}.sub-title{font-size:16px;line-height:1.4;color:var(--ink);margin:0 0 8px}.media-slot{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;overflow:hidden;min-height:150px}.media-slot img{display:block;max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain;object-position:center}.wide-media{height:156px}.wide-media img{max-height:156px}.banner-media{height:200px}.banner-media img{max-height:200px}.app-media{height:300px;max-width:520px;margin:0 auto}.app-media img{max-height:300px}.icon-slot{height:72px;border:0;background:transparent}.icon-slot img{width:48px;height:48px;object-fit:contain}.horizontal-feature{border:1px solid var(--border);border-radius:24px;padding:18px;background:var(--soft);box-shadow:var(--shadow)}.horizontal-feature .copy{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:14px}.two-note{display:grid;grid-template-columns:1fr 1fr;gap:18px}.note-card,.fold-card,.theme-card,.policy-card,.method-card,.status-row,.memo-item,.topic-row{background:var(--card);border:1px solid var(--border);border-radius:20px;padding:20px}.note-card p,.fold-card p,.theme-card p,.policy-card p,.method-card p,.memo-item p,.topic-row p{margin-bottom:0}.fold-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.fold-card{position:relative;padding-top:24px}.fold-card:before{content:"";position:absolute;right:14px;top:14px;border-style:solid;border-width:0 14px 14px 0;border-color:transparent var(--deep) transparent transparent}.shelf-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px}.shelf-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.periods{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.period{padding:18px;border-radius:20px;background:var(--card);border:1px solid var(--border)}.period h3{font-size:16px;margin:0 0 8px;color:var(--ink)}.timeline-list{display:grid;gap:10px}.status-row{display:grid;grid-template-columns:120px 1fr auto;gap:16px;align-items:center}.status-pill{font-size:12px;font-weight:800;padding:4px 9px;border-radius:999px;background:var(--soft);white-space:nowrap}.center-product{text-align:center;background:var(--card);border:1px solid var(--border);border-radius:24px;padding:24px}.center-product .product-copy{max-width:720px;margin:14px auto 0;text-align:left}.faq-short{display:grid;gap:12px}.faq-short details,.faq-list details{background:var(--card);border:1px solid var(--border);border-radius:18px;padding:14px 16px}.faq-short summary,.faq-list summary{cursor:pointer;font-weight:800;color:var(--ink)}.brand-story{background:var(--deep);border-radius:24px;padding:24px}.page-hero{padding:18px 0 10px}.centered-hero{text-align:center}.centered-hero .center-copy{margin-left:auto;margin-right:auto}.center-title{text-align:center}.center-narrow{max-width:720px;margin:0 auto}.page-hero p{max-width:760px}.layout-double{display:grid;grid-template-columns:1fr 1fr;gap:18px}.layout-double article{background:var(--card);border:1px solid var(--border);border-radius:22px;padding:20px}.layout-longroll{display:grid;gap:16px}.roll-row{display:grid;grid-template-columns:180px 1fr;gap:20px;background:var(--card);border-radius:22px;border:1px solid var(--border);padding:20px}.roll-row h2{font-size:20px;margin:0;color:var(--ink)}.single-flow{display:grid;gap:18px}.single-flow section{padding:0 0 18px;border-bottom:1px solid var(--border)}.single-flow section:last-child{border-bottom:0}.period-large{display:grid;grid-template-columns:1fr 1fr 1fr;gap:18px}.status-stack{display:grid;gap:12px}.status-line{display:grid;grid-template-columns:120px 1fr;gap:16px;background:var(--card);border:1px solid var(--border);border-radius:18px;padding:16px}.memo-list{display:grid;gap:12px}.method-list{counter-reset:method;display:grid;gap:14px}.method-card{position:relative;padding-left:68px}.method-card:before{counter-increment:method;content:counter(method);position:absolute;left:20px;top:20px;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:var(--gold);color:var(--ink);font-weight:900}.topic-list{display:grid;gap:14px}.topic-row{display:grid;grid-template-columns:170px 1fr;gap:18px}.center-cards{max-width:720px;margin:auto;display:grid;gap:16px;text-align:center}.center-cards article{background:var(--card);border:1px solid var(--border);border-radius:24px;padding:24px}.policy-stack{display:grid;gap:16px}.policy-card h2{font-size:20px;margin-top:0}.help-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.help-grid article{background:var(--card);border:1px solid var(--border);border-radius:22px;padding:20px}.faq-list{display:grid;gap:12px}.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.contact-grid article{background:var(--card);border:1px solid var(--border);border-radius:22px;padding:20px}.small-note{font-size:13px;color:var(--muted)}.site-footer{background:#2A2418;color:#F7F0E4;padding:30px 16px 70px;position:relative}.site-footer:after{content:"";position:absolute;left:0;right:0;bottom:0;height:4px;background:linear-gradient(90deg,var(--coral) 0 20%,var(--gold) 20% 40%,var(--mint) 40% 60%,var(--sky) 60% 80%,var(--violet) 80%)}.footer-inner{max-width:var(--max);margin:auto}.footer-brand{display:flex;gap:12px;align-items:center}.footer-logo{height:24px;width:auto;object-fit:contain;filter:brightness(1.1)}.footer-brand strong,.footer-brand span{display:block}.footer-brand span{font-size:12px;opacity:.78}.footer-groups{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin:24px 0}.footer-groups h2{font-size:13px;margin:0 0 8px}.footer-groups a{display:flex;align-items:center;min-height:44px;font-size:13px;opacity:.84;padding:4px 0}.footer-note,.copyright{font-size:13px;opacity:.78}.overlay{position:fixed;inset:0;background:rgba(42,36,24,.35);z-index:70;visibility:hidden;opacity:0;pointer-events:none;transition:.2s}.overlay.is-open{visibility:visible;opacity:1;pointer-events:auto}.drawer{position:fixed;z-index:80;right:16px;top:20px;width:300px;max-height:380px;background:var(--card);border:1px solid var(--border);border-radius:22px;box-shadow:var(--shadow);transform:translateY(-16px);opacity:0;visibility:hidden;pointer-events:none;transition:.22s;overflow:hidden}.drawer.is-open{transform:none;opacity:1;visibility:visible;pointer-events:auto}.drawer-head{height:56px;display:flex;align-items:center;justify-content:space-between;padding:0 10px 0 16px;border-bottom:1px solid var(--border)}.drawer-brand{display:flex;align-items:center;gap:8px;font-weight:800}.drawer-brand img{height:24px;width:auto;max-width:120px;object-fit:contain}.drawer-scroll{max-height:322px;overflow:auto;padding:12px}.drawer-scroll section{margin-bottom:10px}.drawer-scroll h2{font-size:12px;color:var(--muted);margin:4px 8px}.drawer-scroll a{display:grid;grid-template-columns:80px 1fr;gap:8px;min-height:44px;padding:7px 8px;border-radius:10px;align-items:center}.drawer-scroll a:hover{background:var(--soft)}.drawer-scroll b{font-size:13px}.drawer-scroll span{font-size:12px;color:var(--muted)}.search-panel{position:fixed;z-index:85;top:74px;left:50%;transform:translate(-50%,-14px);width:min(680px,calc(100% - 32px));background:var(--card);border:1px solid var(--border);border-radius:0 0 22px 22px;box-shadow:var(--shadow);padding:18px;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.search-panel.is-open{transform:translate(-50%,0);opacity:1;visibility:visible;pointer-events:auto}.search-head{display:flex;align-items:center;justify-content:space-between}.search-head h2{font-size:20px;margin:0}.search-links{display:flex;flex-wrap:wrap;gap:10px}.search-links a{min-height:44px;display:inline-flex;align-items:center;padding:0 14px;background:var(--soft);border-radius:12px;border:1px solid var(--border)}.mobile-nav{display:none}.is-locked{overflow:hidden}.brand-band{height:8px;border-radius:99px;background:linear-gradient(90deg,var(--coral),var(--gold),var(--mint),var(--sky),var(--violet));margin:14px 0 20px}.callout{border-left:4px solid var(--gold);background:var(--card);padding:14px 16px;border-radius:0 16px 16px 0}.plain-list{padding-left:20px}.plain-list li{margin:8px 0}.pair-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}.pair-list article{background:var(--card);border:1px solid var(--border);border-radius:20px;padding:18px}
.policy-split{grid-template-columns:1fr 1fr}.policy-split .policy-card:last-child{grid-column:1/-1}.policy-stripes .policy-card{border-left-width:5px}.policy-stripes .policy-card:nth-child(5n+1){border-left-color:var(--coral)}.policy-stripes .policy-card:nth-child(5n+2){border-left-color:var(--gold)}.policy-stripes .policy-card:nth-child(5n+3){border-left-color:var(--mint)}.policy-stripes .policy-card:nth-child(5n+4){border-left-color:var(--sky)}.policy-stripes .policy-card:nth-child(5n){border-left-color:var(--violet)}.privacy-flow{grid-template-columns:repeat(2,1fr)}.privacy-flow .policy-card:nth-child(3n){grid-column:1/-1}.about-grid{grid-template-columns:1.15fr .85fr}.about-grid .policy-card:nth-child(3){grid-column:1/-1}.install-steps{counter-reset:install}.install-steps .policy-card{position:relative;padding-left:66px}.install-steps .policy-card:before{counter-increment:install;content:counter(install);position:absolute;left:20px;top:20px;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:var(--gold);font-weight:900;color:var(--ink)}
@media(max-width:720px){.policy-split,.privacy-flow,.about-grid{grid-template-columns:1fr}.policy-split .policy-card:last-child,.privacy-flow .policy-card:nth-child(3n),.about-grid .policy-card:nth-child(3){grid-column:auto}.install-steps .policy-card{padding-left:58px}.beadnav{display:none}.site-main{padding-top:92px;padding-bottom:86px}.microbar{padding:0 16px}.brandbar:after{left:16px;right:16px}.brand-actions{gap:0}.header-app,.drawer-button{padding:10px}.two-note,.fold-grid,.shelf-grid,.horizontal-feature .copy,.layout-double,.period-large,.help-grid,.contact-grid,.pair-list{grid-template-columns:1fr}.periods{grid-template-columns:1fr}.roll-row,.topic-row,.status-row,.status-line{grid-template-columns:1fr;gap:8px}.shelf-head{display:block}.drawer{right:6%;top:28px;width:88%;max-height:380px}.search-panel{inset:0;width:100%;height:100%;transform:none;background:#2A2418;color:#F7F0E4;border:0;border-radius:0;padding:22px 16px;padding-top:max(22px,env(safe-area-inset-top));}.search-panel.is-open{transform:none}.search-panel .search-head h2,.search-panel p{color:#F7F0E4}.search-panel .search-links a{background:#3A3428;color:#F7F0E4;border-color:rgba(247,240,228,.18)}.mobile-nav{position:fixed;z-index:55;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(--border)}.mobile-nav a{display:grid;place-items:center;min-height:48px;font-size:13px}.mobile-nav a.is-current{background:var(--gold);color:var(--ink);font-weight:800}.footer-groups{grid-template-columns:1fr 1fr}.site-footer{padding-bottom:90px}.app-media{height:280px}.app-media img{max-height:280px}.wide-media{height:156px}.method-card{padding-left:58px}}
@media(max-width:390px){.micro-brand{max-width:220px}.footer-groups{grid-template-columns:1fr}.brandmark{max-width:135px}.brand-logo{max-width:130px}}