*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:96px}body{margin:0;background:#F6F3EC;color:#2C3A38;font:16px/1.78 system-ui,-apple-system,"Segoe UI","Microsoft YaHei",sans-serif;overflow-x:hidden}a{color:#0A5F56;text-underline-offset:3px}a:hover{color:#0E8A7D}a:focus-visible,button:focus-visible{outline:3px solid #C62828;outline-offset:3px}button{font:inherit;cursor:pointer}h1,h2,h3,p{margin-top:0}h1,h2,h3{color:#1A2A28;line-height:1.36}h1{font-size:32px}h2{font-size:25px}h3{font-size:19px}p{margin-bottom:17px}.shell{width:min(1160px,calc(100% - 36px));margin-inline:auto}.topline{background:#0A5F56;color:#FFFCFA;font-size:13px}.top-inner{height:36px;display:flex;align-items:center;justify-content:space-between;gap:16px}.top-inner>div{display:flex;gap:20px}.topline a{color:#FFFCFA;text-decoration:none}.site-header{position:sticky;top:0;background:#FFFCFA;z-index:30;border-bottom:1px solid rgba(14,138,125,.18);box-shadow:0 3px 15px #063e3410}.nav-inner{height:68px;display:flex;align-items:center;gap:24px}.brand{display:flex;align-items:center;gap:10px;color:#0A5F56;text-decoration:none;font-weight:800;white-space:nowrap;flex-shrink:0;line-height:1.2}.brand img{height:32px;width:auto;max-width:150px;object-fit:contain;object-position:center;flex-shrink:0}.brand-symbol{width:34px;height:34px;border-radius:9px;background:#0E8A7D;color:white;display:grid;place-items:center;font-size:21px}.brand small{display:block;font-weight:600;font-size:10px;letter-spacing:1px}.primary{display:flex;justify-content:center;align-items:center;flex:1;gap:clamp(10px,1.5vw,22px);min-width:0}.primary a{font-size:14px;text-decoration:none;white-space:nowrap;padding:9px 0;color:#2C3A38}.primary a[aria-current=page],.primary a:hover{color:#0A5F56;box-shadow:0 2px #0E8A7D}.menu-toggle{height:44px;white-space:nowrap;background:#0A5F56;border:0;border-radius:10px;padding:0 15px;color:#fff;display:flex;align-items:center;gap:11px}.menu-toggle:hover{background:#0E8A7D}.mobile-menu-label{display:none}.menu-holder{position:absolute;left:0;right:0;top:100%;background:#FFFCFA;border-bottom:1px solid rgba(14,138,125,.18);box-shadow:0 10px 20px #103b3520;max-height:min(74vh,690px);overflow:auto}.menu-holder[hidden]{display:none}.menu-grid{max-width:880px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;padding-block:22px}.menu-group h2{font-size:16px;color:#0A5F56;margin-bottom:10px}.menu-group a{display:block;padding:7px 5px;text-decoration:none;border-radius:6px}.menu-group a:hover{background:#eef6f2}.menu-group strong{font-size:14px;display:block}.menu-group span{display:block;font-size:13px;line-height:1.5;color:#5A6B68}.main-content{padding-top:34px;padding-bottom:72px}.section-gap{margin-bottom:48px}.hero{display:grid;grid-template-columns:minmax(0,56fr) minmax(0,44fr);gap:30px;align-items:center;padding:28px;background:#FFFCFA;border:1px solid rgba(14,138,125,.18);border-radius:14px}.hero h1{margin:12px 0}.hero-copy p{max-width:53ch}.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.06em;color:#0A5F56}.actions,.link-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px;align-items:center}.button{min-height:44px;display:inline-flex;align-items:center;justify-content:center;padding:9px 17px;background:#0A5F56;color:white;text-decoration:none;border-radius:9px;font-weight:700}.button:hover{background:#0E8A7D;color:white}.button-ghost{background:#e6f2ed;color:#0A5F56}.button-ghost:hover{background:#d3ebe3;color:#0A5F56}.text-link{font-weight:700;font-size:14px}.media,.hero-image,.inner-image,.wide-image,.app-visual,.app-icon{max-width:100%;min-width:0;display:flex;align-items:center;justify-content:center;padding:10px;background:#ecf3ee;border-radius:11px}.media img,.hero-image img,.inner-image img,.wide-image img,.app-visual img,.app-icon img,.brand img{max-width:100%;object-fit:contain;object-position:center}.media img,.hero-image img,.inner-image img,.wide-image img,.app-visual img,.app-icon img{width:100%;height:auto}.hero-image{max-height:300px;min-height:160px}.hero-image img{max-height:280px;width:auto}.media{height:auto;min-height:100px;max-height:190px}.media img{max-height:170px;width:auto}.inner-image{max-height:300px;margin:20px 0}.inner-image img{max-height:280px;width:auto}.wide-image{max-height:220px;margin:16px 0}.wide-image img{max-height:200px;width:auto}.app-visual{max-height:380px;max-width:220px;justify-self:center}.app-visual img{max-height:360px;width:auto}.app-icon{width:58px;height:58px;min-height:0;padding:5px;flex-shrink:0}.app-icon img{max-height:48px;width:auto}.media-missing{display:flex;align-items:center;justify-content:center;min-height:110px;border:1px dashed rgba(14,138,125,.18);background:#eef4ef;border-radius:11px}.missing-mark{width:36px;height:36px;border-radius:50%;background:linear-gradient(140deg,#d2e6dd,#faf8ef);border:1px solid #c1d9cf}.hero-image.media-missing{min-height:180px;max-height:300px}.app-visual.media-missing{height:320px;width:200px}.app-icon.media-missing{min-height:58px}.section-heading{max-width:790px;margin-bottom:20px}.section-heading h2{margin:7px 0 9px}.feature-two{display:grid;grid-template-columns:minmax(0,2.2fr) minmax(280px,1fr);gap:20px}.white-panel,.soft-panel{padding:24px;background:#FFFCFA;border:1px solid rgba(14,138,125,.18);border-radius:12px;min-width:0}.soft-panel{background:#ecf4ef}.short-list article{padding:0 0 13px;margin:0 0 14px;border-bottom:1px solid rgba(14,138,125,.18)}.short-list article:last-child{border:0;margin:0}.short-list h3{font-size:18px;margin-bottom:6px}.short-list p{margin:0}.timeline{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:18px 0}.timeline article{background:#FFFCFA;border:1px solid rgba(14,138,125,.18);border-top:4px solid #0E8A7D;border-radius:10px;padding:20px}.number{font-weight:800;color:#0A5F56}.timeline h3{margin:8px 0}.asym-pair,.unequal{display:grid;grid-template-columns:1.12fr .88fr;gap:20px}.asym-pair .media,.unequal .media,.three-cards .media{margin-bottom:17px}.three-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.city-feature,.editor-feature,.app-feature{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(0,1fr);gap:25px;align-items:center;padding:25px;background:#FFFCFA;border-radius:12px;border:1px solid rgba(14,138,125,.18)}.city-feature .media,.editor-feature .media{max-height:210px}.index-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.index-grid a,.service-grid a{display:flex;flex-direction:column;gap:6px;border-radius:10px;background:#FFFCFA;padding:18px;border:1px solid rgba(14,138,125,.18);text-decoration:none}.index-grid a:hover,.service-grid a:hover{border-color:#0E8A7D;background:#eef6f2}.index-grid strong,.service-grid strong{color:#0A5F56}.index-grid span,.service-grid span{font-size:14px;color:#5A6B68}.app-feature{background:#f0ecdf;grid-template-columns:minmax(0,1fr) 220px}.app-title{display:flex;gap:13px;align-items:center;margin-bottom:15px}.app-title h2{margin:0}.service-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.service-grid .arrow{color:#0A5F56;font-weight:700;margin-top:auto}.breadcrumbs{display:flex;gap:10px;align-items:center;color:#5A6B68;font-size:14px;margin:0 0 23px}.breadcrumbs a{text-decoration:none}.inner-head{max-width:810px;margin-bottom:28px}.lead{font-size:17px;color:#5A6B68}.inner-layout{display:grid;grid-template-columns:minmax(0,800px) minmax(260px,300px);gap:30px;align-items:start}.article-copy{min-width:0;background:#FFFCFA;border:1px solid rgba(14,138,125,.18);border-radius:12px;padding:30px}.reading-section{margin-bottom:32px}.reading-section h2{padding-bottom:10px;border-bottom:1px solid rgba(14,138,125,.18);margin-bottom:16px}.reading-section p{max-width:76ch}.inner-aside{padding:22px;background:#ecf4ef;border-radius:12px;position:sticky;top:95px}.inner-aside h2{font-size:19px}.aside-link{display:block;padding:10px 0;border-top:1px solid rgba(14,138,125,.18);text-decoration:none;font-weight:700}.route-item{margin:16px 0;padding:18px;border-radius:10px;background:#ecf4ef}.note-box{padding:18px;background:#f9f0e6;border-left:4px solid #C62828}.faq-list{max-width:840px}.faq-item{padding:22px 24px;margin-bottom:14px;background:#FFFCFA;border:1px solid rgba(14,138,125,.18);border-radius:11px}.faq-item h2{font-size:21px;margin-bottom:12px}.faq-item p{margin:0}.site-footer{background:#0A5F56;color:#FFFCFA;padding:40px 0 25px}.footer-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:23px}.footer-grid h2{color:#fff;font-size:17px}.footer-grid a{display:block;color:#e8f7ee;text-decoration:none;padding:3px 0;font-size:14px}.footer-grid a:hover,.topline a:hover{text-decoration:underline;color:#fff}.footer-bottom{border-top:1px solid #ffffff38;margin-top:30px;padding-top:20px;font-size:13px;color:#e8f7ee}.footer-bottom p{margin:8px 0}.bottom-nav{display:none}@media(max-width:1040px){.primary{gap:10px}.primary a{font-size:13px}.nav-inner{gap:14px}.inner-layout{grid-template-columns:minmax(0,1fr) 260px}}@media(max-width:900px){.primary{display:none}.nav-inner{justify-content:space-between}.menu-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.feature-two,.inner-layout{grid-template-columns:minmax(0,1fr)}.inner-aside{position:static}.three-cards{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:600px){html{scroll-padding-top:73px}.shell{width:calc(100% - 32px)}.topline{display:none}.nav-inner{height:60px}.desktop-menu-label{display:none}.mobile-menu-label{display:inline}.menu-grid{grid-template-columns:minmax(0,1fr);gap:12px;padding-block:15px}.menu-group{border-bottom:1px solid rgba(14,138,125,.18);padding-bottom:9px}.menu-group a{padding:8px 4px}.main-content{padding-top:25px;padding-bottom:105px}.section-gap{margin-bottom:32px}.hero{grid-template-columns:1fr;padding:18px;gap:15px}.hero-image{max-height:240px;min-height:130px}.hero-image img{max-height:220px}.hero h1,h1{font-size:27px}h2{font-size:22px}h3{font-size:18px}.lead{font-size:16px}.timeline,.asym-pair,.unequal,.three-cards,.city-feature,.editor-feature,.app-feature,.index-grid,.service-grid{grid-template-columns:minmax(0,1fr)}.white-panel,.soft-panel,.article-copy,.faq-item{padding:18px}.city-feature,.editor-feature,.app-feature{padding:18px}.app-visual{max-width:220px;justify-self:center}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.bottom-nav{position:fixed;z-index:25;bottom:0;left:0;right:0;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));height:calc(58px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#FFFCFA;border-top:1px solid rgba(14,138,125,.18);box-shadow:0 -4px 14px #0a5f5615}.bottom-nav a{min-width:0;display:flex;align-items:center;justify-content:center;text-decoration:none;font-size:13px;color:#2C3A38;white-space:nowrap}.bottom-nav a[aria-current=page]{font-weight:800;color:#0A5F56;border-top:3px solid #0E8A7D}.site-footer{padding-bottom:calc(24px + 58px + env(safe-area-inset-bottom))}.actions .button{flex:1;min-width:0;text-align:center;font-size:14px}.menu-holder{max-height:calc(100dvh - 70px)}.breadcrumbs{margin-bottom:20px}}@media(max-width:340px){.shell{width:calc(100% - 32px)}.brand{font-size:14px}.brand small{font-size:9px}.menu-toggle{padding:0 10px;gap:6px}.bottom-nav a{font-size:12px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}}