:root{--blue:#1478F2;--blue2:#348FFF;--deep:#0765D4;--ink:#17243A;--text:#3C495D;--muted:#6E7988;--soft:#99A2AF;--sub:#F7FAFE;--pale:#EDF5FF;--gray:#F4F6F9;--line:rgba(20,120,242,.12);--neutral:rgba(20,40,70,.08);--shadow:0 14px 38px rgba(35,72,118,.08);--brand-shadow:0 16px 44px rgba(20,120,242,.14);--footer:#091E39;--max:1320px;--header:72px}
*{box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:hidden}body{margin:0;font-family:ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--text);background:#fff;line-height:1.75;overflow-x:hidden}body.panel-open{overflow:hidden}a{text-decoration:none;color:inherit}button,input{font:inherit}button{cursor:pointer}img{max-width:100%;height:auto;display:block}.shell{width:min(var(--max),calc(100% - 40px));margin:0 auto}.section-pad{padding:82px 0}.eyebrow{margin:0 0 10px;color:var(--blue);font-size:12px;font-weight:850;letter-spacing:.16em}.skip-link{position:fixed;left:16px;top:-80px;z-index:1000;background:#fff;color:var(--blue);padding:10px 16px;border-radius:10px;box-shadow:var(--shadow)}.skip-link:focus{top:10px}
.site-header{position:fixed;inset:0 0 auto;height:var(--header);z-index:200;background:rgba(255,255,255,.96);border-bottom:1px solid var(--neutral);backdrop-filter:blur(12px)}main{padding-top:var(--header)}.desktop-nav,.mobile-nav{height:100%;display:flex;align-items:center}.desktop-nav{gap:24px}.brand{display:flex;align-items:center;gap:9px;min-width:178px}.brand img,.panel-brand img,.footer-brand img{max-width:190px;max-height:44px;object-fit:contain}.brand-cn{background:var(--blue);color:#fff;padding:8px 10px;border-radius:8px;font-weight:900;line-height:1}.brand-en{font-size:8px;line-height:1.15;font-weight:800;color:var(--ink);max-width:58px}.primary-nav{display:flex;gap:3px;white-space:nowrap}.nav-link{position:relative;display:flex;align-items:center;min-height:44px;padding:0 11px;border-radius:10px;color:#45556b;font-size:14px;font-weight:700}.nav-link:hover,.nav-actions>a:hover,.nav-button:hover,.grid-button:hover{background:var(--pale);color:var(--blue)}.nav-link.is-current{color:var(--blue)}.nav-link.is-current:after{content:"";position:absolute;left:50%;bottom:2px;width:5px;height:5px;background:var(--blue);border-radius:50%;transform:translateX(-50%)}.nav-actions{margin-left:auto;display:flex;align-items:center;gap:4px;white-space:nowrap}.nav-actions>a,.nav-button,.grid-button{min-height:44px;display:inline-flex;align-items:center;justify-content:center;border:0;background:transparent;border-radius:10px;color:var(--ink);font-weight:700;font-size:13px}.nav-actions>a{padding:0 10px}.nav-button{padding:0 12px}.grid-button{width:44px;display:grid;grid-template-columns:repeat(3,4px);gap:3px;align-content:center;justify-content:center}.grid-button span{width:4px;height:4px;border-radius:1px;background:currentColor}.mobile-nav{display:none;justify-content:space-between;position:relative}.mobile-brand{position:absolute;left:50%;transform:translateX(-50%);max-width:150px;color:var(--blue)}.mobile-brand img{max-height:38px}
.overlay{position:fixed;inset:var(--header) 0 0;z-index:290;background:rgba(9,30,57,.28);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.overlay.open{opacity:1;visibility:visible;pointer-events:auto}.mega-panel,.search-panel{position:fixed;left:0;right:0;top:var(--header);z-index:300;background:#fff;max-height:85vh;overflow:auto;box-shadow:0 24px 60px rgba(9,30,57,.16);opacity:0;visibility:hidden;pointer-events:none;transform:translateY(-10px);transition:.2s}.mega-panel.open,.search-panel.open{opacity:1;visibility:visible;pointer-events:auto;transform:none}.panel-head{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;padding:20px 0;border-bottom:1px solid var(--neutral)}.panel-head h2{margin:0;color:var(--ink);font-size:23px}.panel-brand{display:flex;align-items:center;gap:8px}.panel-brand strong{color:var(--blue)}.panel-brand small{font-size:9px;color:var(--muted)}.close-panel{justify-self:end;min-height:44px;border:1px solid var(--line);background:#fff;border-radius:10px;padding:0 16px;color:var(--ink)}.close-panel:hover{background:var(--pale);color:var(--blue)}.mega-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:22px;padding-top:25px;padding-bottom:32px}.mega-grid h3{font-size:14px;color:var(--blue);margin:0 0 8px}.mega-grid a{display:block;padding:10px 0;border-bottom:1px solid var(--neutral)}.mega-grid b,.mega-grid span{display:block}.mega-grid b{font-size:14px;color:var(--ink)}.mega-grid span{font-size:12px;line-height:1.5;color:var(--muted);margin-top:3px}.search-inner{padding:28px 0 38px}.search-head{display:flex;justify-content:space-between;align-items:center}.search-head h2{margin:0;color:var(--ink);font-size:28px}.search-inner>input{width:100%;margin:20px 0 14px;padding:15px 17px;border:1px solid var(--line);border-radius:14px;background:var(--sub);outline:none}.search-inner>input:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(20,120,242,.11)}.chips{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:22px}.chips button{border:1px solid var(--line);background:#fff;color:var(--text);border-radius:999px;padding:7px 11px}.chips button:hover{background:var(--pale);color:var(--blue)}.search-results{display:grid;grid-template-columns:repeat(4,1fr);gap:9px}.search-results a{border:1px solid var(--neutral);padding:13px;border-radius:12px}.search-results a:hover{background:var(--pale);border-color:var(--line)}.search-results b,.search-results span{display:block}.search-results b{color:var(--ink)}.search-results span{font-size:12px;color:var(--muted)}
.hero{background:linear-gradient(180deg,#fff,var(--sub));padding:58px 0 72px}.hero-grid{display:grid;grid-template-columns:28fr 47fr 25fr;gap:28px;align-items:stretch}.hero-copy{padding-top:24px}.hero-copy h1{margin:0;color:var(--ink);font-size:clamp(36px,4.5vw,62px);line-height:1.1;letter-spacing:-.045em;max-width:8em}.hero-copy>p:not(.eyebrow){margin:22px 0;font-size:16px}.primary-button{display:inline-flex;min-height:48px;align-items:center;justify-content:center;padding:0 20px;border-radius:12px;background:linear-gradient(135deg,#43A0FF 0%,#1478F2 56%,#0964CE 100%);color:#fff;font-weight:800;box-shadow:var(--brand-shadow)}.text-link{font-weight:800;color:var(--blue)}.button-row{display:flex;align-items:center;gap:18px;flex-wrap:wrap}.mini-links{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:30px}.mini-links a{border-top:1px solid var(--line);padding:12px 2px;font-size:13px;color:var(--ink)}.mini-links span{display:block;color:var(--blue);font-weight:900}.hero-visual{min-height:480px;border-radius:24px;overflow:hidden;background:var(--pale);box-shadow:var(--brand-shadow)}.hero-visual img{width:100%;height:100%;object-fit:contain;background:#fff}.fallback-visual{position:relative;height:100%;min-height:480px;padding:45px;color:#fff;overflow:hidden;background:radial-gradient(circle at 74% 20%,rgba(255,255,255,.18),transparent 23%),linear-gradient(145deg,#0c67d1 0 54%,#d9ecff 54.5% 100%)}.fallback-visual:after{content:"";position:absolute;inset:30px;border:1px solid rgba(255,255,255,.35);border-radius:42% 28% 54% 24%;transform:rotate(-7deg)}.fallback-visual strong{position:absolute;left:40px;bottom:75px;z-index:1;font-size:31px;line-height:1.2}.fallback-visual b{position:absolute;right:26px;top:28px;font-size:70px;opacity:.15;writing-mode:vertical-rl}.hero-side{border-left:1px solid var(--neutral);padding:24px 0 0 26px}.hero-side h2{margin:0 0 12px;color:var(--ink)}.hero-side a{display:block;padding:15px 0;border-top:1px solid var(--neutral)}.hero-side b,.hero-side span{display:block}.hero-side b{color:var(--ink)}.hero-side span{color:var(--muted);font-size:13px;margin-top:5px}.content-index{border-block:1px solid var(--neutral);background:#fff}.content-index>div{display:flex;gap:30px;min-height:54px;align-items:center;overflow-x:auto;scrollbar-width:none}.content-index a{white-space:nowrap;font-size:13px;font-weight:700}.content-index a:first-child:before{content:"";display:inline-block;width:6px;height:6px;background:var(--blue);border-radius:50%;margin-right:7px}
.section-heading{display:grid;grid-template-columns:1.1fr 1fr;gap:24px;align-items:end;margin-bottom:32px}.section-heading h2{margin:0;color:var(--ink);font-size:clamp(29px,3.2vw,46px);line-height:1.2;letter-spacing:-.03em}.section-heading p:last-child{margin:0;color:var(--muted);font-size:14px}.number-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:14px}.number-grid article{border-top:2px solid var(--ink);padding:20px;background:#fff}.number-grid article:nth-child(1),.number-grid article:nth-child(4){grid-column:span 5}.number-grid article:nth-child(2),.number-grid article:nth-child(5){grid-column:span 4}.number-grid article:nth-child(3),.number-grid article:nth-child(6){grid-column:span 3}.number-grid .num{font-size:38px;color:var(--blue);font-weight:900}.number-grid small{display:block;color:var(--muted)}.number-grid h3{color:var(--ink);font-size:20px;line-height:1.35}.number-grid p{font-size:14px}.number-grid a{color:var(--blue);font-weight:800}.dark-map{position:relative;background:#0b417f;color:#dcecff;overflow:hidden}.dark-map:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:36px 36px;pointer-events:none}.dark-map .section-heading h2,.dark-map .section-heading p{color:#fff}.map-grid{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.map-grid article{padding:22px;border:1px solid rgba(255,255,255,.14);border-radius:15px;background:rgba(255,255,255,.05)}.map-grid .wide{grid-column:span 2;grid-row:span 2;padding:34px;min-height:320px}.map-grid h3{color:#fff}.map-grid .wide h3{font-size:29px}.map-grid p{font-size:13px}.map-grid span{color:#79baff;font-weight:900}.section-more{display:inline-block;margin-top:26px;color:var(--blue);font-weight:800}.dark-map .section-more{color:#fff}.board{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.board>section{background:var(--sub);border-radius:15px;padding:19px}.board>section>strong{color:var(--blue);font-size:20px}.board article{border-top:1px solid var(--neutral);margin-top:12px;padding-top:10px}.board h3{font-size:16px;color:var(--ink)}.board p{font-size:13px;color:var(--muted)}.soft{background:var(--pale)}.flow-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.flow-grid article{background:#fff;border-radius:15px;padding:24px;box-shadow:var(--shadow)}.flow-grid article:first-child{grid-column:span 2}.flow-grid h3{color:var(--ink)}.timeline{display:grid;grid-template-columns:repeat(6,1fr);border-block:1px solid var(--line)}.timeline article{padding:23px 16px;border-right:1px solid var(--neutral)}.timeline article:last-child{border-right:0}.timeline span{color:var(--blue);font-weight:900}.timeline h3{color:var(--ink);font-size:17px}.timeline p{font-size:13px;color:var(--muted)}.blue-band{background:linear-gradient(135deg,#0b5db4,#1478F2);color:#fff}.blue-band .section-heading h2,.blue-band .section-heading p{color:#fff}.tag-wall{display:flex;flex-wrap:wrap;gap:11px}.tag-wall a{border:1px solid rgba(255,255,255,.38);border-radius:999px;padding:11px 18px;color:#fff;font-weight:850;font-size:clamp(16px,2vw,24px)}.tag-wall a:nth-child(3n){font-size:16px}.guides{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:28px}.guides article{background:rgba(255,255,255,.1);padding:18px;border-radius:13px}.guides h3{font-size:17px}.guides p{font-size:13px;color:#dfeeff}.qa-grid,.principle-grid,.folder-grid,.related-grid{display:grid;gap:12px}.qa-grid{grid-template-columns:repeat(2,1fr)}.qa-grid article,.principle-grid article{padding:22px;border:1px solid var(--neutral);border-radius:14px}.qa-grid h3,.principle-grid h3{color:var(--ink)}.qa-grid p,.principle-grid p{font-size:14px}.story-band{background:var(--sub)}.story-grid{display:grid;grid-template-columns:1.35fr .75fr;gap:26px}.lead-story{background:#fff;padding:32px;border-radius:19px;box-shadow:var(--shadow)}.lead-story h3{font-size:30px;line-height:1.25;color:var(--ink)}.lead-story a{color:var(--blue);font-weight:800}.story-list a{display:grid;grid-template-columns:45px 1fr;gap:10px;padding:16px 0;border-bottom:1px solid var(--neutral)}.story-list span{color:var(--blue);font-weight:900}.story-list b{color:var(--ink)}.magazine{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.magazine a{min-height:190px;padding:20px;border-radius:13px;background:var(--sub);display:flex;flex-direction:column}.magazine a:nth-child(1),.magazine a:nth-child(6){grid-column:span 2}.magazine span{color:var(--blue);font-size:12px;font-weight:900}.magazine h3{margin-top:auto;color:var(--ink)}.magazine p{font-size:13px;color:var(--muted)}.feature-band{background:#0d2b4e;color:#eaf4ff}.feature-band .section-heading h2{color:#fff}.feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:rgba(255,255,255,.1)}.feature-grid article{padding:30px;background:#0d2b4e}.feature-grid span{color:#71baff;font-weight:900}.feature-grid h3{color:#fff;font-size:26px}.feature-grid p{color:#c8dcf1}.feature-grid a{color:#fff;font-weight:800}.list-articles{border-top:1px solid var(--neutral)}.list-articles article{display:grid;grid-template-columns:78px 1fr;gap:20px;padding:22px 0;border-bottom:1px solid var(--neutral)}.list-articles span{color:var(--blue);font-size:29px;font-weight:900}.list-articles h3{margin:0;color:var(--ink)}.list-articles p{margin-bottom:0;color:var(--muted)}.folder-grid{grid-template-columns:repeat(4,1fr)}.folder-grid article{position:relative;min-height:200px;background:#fff;padding:22px;border-radius:8px 15px 15px 15px;box-shadow:var(--shadow)}.folder-grid article:before{content:"";position:absolute;top:-7px;left:0;width:40%;height:10px;background:#fff;border-radius:8px 8px 0 0}.folder-grid span{color:var(--blue);font-size:12px;font-weight:900}.folder-grid h3{color:var(--ink)}.folder-grid p{font-size:13px;color:var(--muted)}.bulletins{border-top:2px solid var(--ink)}.bulletins a{display:grid;grid-template-columns:120px 190px 1fr;gap:18px;align-items:center;padding:17px 4px;border-bottom:1px solid var(--neutral)}.bulletins span{color:var(--blue);font-size:12px;font-weight:900}.bulletins b{color:var(--ink)}.bulletins p{font-size:13px;color:var(--muted);margin:0}.principle-grid{grid-template-columns:repeat(3,1fr)}.principle-grid span{color:var(--blue);font-weight:900}.app-grid,.security-grid,.privacy-grid{display:grid;gap:34px;align-items:center}.app-grid{grid-template-columns:1.1fr .9fr}.app-grid h2,.security-grid h2,.privacy-grid h2{font-size:38px;line-height:1.2;color:var(--ink)}.app-points{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:22px 0}.app-points span{background:var(--pale);padding:11px;border-radius:10px;color:var(--blue);font-weight:800}.app-visual img{max-height:580px;object-fit:contain;margin:auto}.phone{width:min(300px,100%);aspect-ratio:.54;margin:auto;border:9px solid #102b4c;border-radius:42px;background:linear-gradient(#e9f4ff,#fff);padding:44px 22px;box-shadow:var(--brand-shadow)}.phone span{color:var(--blue);font-weight:900}.phone strong{display:block;color:var(--ink);font-size:28px;line-height:1.2;margin:55px 0}.phone i{display:block;height:42px;background:var(--pale);border-radius:10px;margin:9px 0}.security{background:#091E39;color:#dcecff}.security-grid{grid-template-columns:1.3fr .8fr}.security-grid h2{color:#fff}.security-grid ul{display:grid;grid-template-columns:1fr 1fr;gap:8px;list-style:none;padding:0}.security-grid li{border:1px solid rgba(255,255,255,.12);padding:11px;border-radius:9px}.privacy-grid{grid-template-columns:1.3fr .8fr;border:1px solid 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.inner-hero{background:linear-gradient(180deg,var(--sub),#fff);padding:70px 0 48px;border-bottom:1px solid var(--neutral)}.inner-grid{display:grid;grid-template-columns:1.4fr .6fr;gap:30px;align-items:end}.inner-hero h1{margin:0 0 18px;color:var(--ink);font-size:clamp(42px,6vw,74px);line-height:1.05;letter-spacing:-.05em}.inner-hero p:not(.eyebrow){font-size:17px;color:var(--muted);max-width:720px}.hero-count{justify-self:end;color:var(--blue);font-weight:900;font-size:92px;line-height:.8;letter-spacing:-.07em}.hero-count small{display:block;font-size:10px;letter-spacing:.16em;color:var(--muted);margin-top:15px}.article-shell{display:grid;grid-template-columns:250px minmax(0,840px);gap:65px;align-items:start;justify-content:center}.article-nav{position:sticky;top:calc(var(--header) + 22px);padding:18px 0}.article-nav h2{font-size:20px;color:var(--ink)}.article-nav ol{list-style:none;padding:0;margin:0;border-top:1px solid var(--neutral)}.article-nav li{border-bottom:1px solid var(--neutral)}.article-nav a{display:block;padding:9px 0;color:var(--muted);font-size:13px}.article-nav a:hover{color:var(--blue)}.prose{scroll-margin-top:110px;padding-bottom:44px;margin-bottom:44px;border-bottom:1px solid var(--neutral)}.prose .no{color:var(--blue);font-weight:900;letter-spacing:.14em}.prose h2{color:var(--ink);font-size:29px;line-height:1.3;margin:9px 0 18px}.prose p{font-size:16px;line-height:1.95;margin:0 0 15px}.related{background:var(--sub)}.related h2{font-size:30px;color:var(--ink)}.related-grid{grid-template-columns:repeat(3,1fr)}.related-grid a{display:flex;justify-content:space-between;align-items:center;background:#fff;border:1px solid var(--neutral);padding:19px;border-radius:12px;font-weight:800;color:var(--ink)}.related-grid a:hover{color:var(--blue);border-color:var(--line)}.tag-index .tag-wall a{background:var(--pale);color:var(--blue);border-color:var(--line)}.faq-shell{max-width:900px}.faq-shell details{border-bottom:1px solid var(--neutral)}.faq-shell summary{cursor:pointer;list-style:none;padding:20px 4px;color:var(--ink);font-size:18px;font-weight:800}.faq-shell summary::-webkit-details-marker{display:none}.faq-shell summary span{color:var(--blue);margin-right:14px}.faq-shell p{margin:0;padding:0 42px 22px;line-height:1.9}
.site-footer{background:var(--footer);color:#E9F3FF;padding:58px 0 28px}.footer-grid{display:grid;grid-template-columns:1.4fr repeat(4,1fr);gap:34px}.footer-brand strong{display:block;font-size:22px}.footer-brand small{font-size:9px}.footer-brand p{font-size:13px;color:#b8c9db}.footer-grid nav h3{margin-top:0;font-size:13px}.footer-grid nav a{display:block;color:#b8c9db;font-size:13px;padding:4px 0}.footer-grid nav a:hover{color:#fff}.footer-bottom{display:flex;justify-content:space-between;gap:30px;border-top:1px solid rgba(255,255,255,.12);margin-top:32px;padding-top:20px;color:#9fb3c8;font-size:12px}.footer-bottom p:first-child{max-width:750px}.mobile-bottom{display:none}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid rgba(20,120,242,.3);outline-offset:3px;border-radius:8px}
@media(max-width:1120px){.desktop-nav{gap:10px}.nav-link{padding:0 8px;font-size:13px}.brand{min-width:150px}.hero-grid{grid-template-columns:1fr 1.2fr}.hero-side{grid-column:1/-1;border-left:0;border-top:1px solid var(--neutral);display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.hero-side .eyebrow,.hero-side h2{grid-column:1/-1}.mega-grid{grid-template-columns:repeat(3,1fr)}.map-grid{grid-template-columns:repeat(3,1fr)}.board{grid-template-columns:repeat(2,1fr)}.timeline{grid-template-columns:repeat(3,1fr)}.folder-grid{grid-template-columns:repeat(3,1fr)}.footer-grid{grid-template-columns:1.2fr repeat(2,1fr)}}
@media(max-width:900px){:root{--header:64px}.shell{width:min(var(--max),calc(100% - 30px))}.desktop-nav{display:none}.mobile-nav{display:flex}.overlay{inset:var(--header) 0 0}.mega-panel,.search-panel{top:var(--header);bottom:0;max-height:none}.mega-panel{bottom:calc(58px + env(safe-area-inset-bottom))}.mega-grid{grid-template-columns:1fr 1fr}.panel-head{grid-template-columns:auto 1fr auto;padding:13px 0}.panel-head h2{justify-self:center;font-size:19px}.panel-brand small{display:none}.search-results{grid-template-columns:1fr 1fr}.hero-grid{display:flex;flex-direction:column}.hero-copy{order:1}.hero-visual{order:2;min-height:320px}.fallback-visual{min-height:320px}.hero-side{order:3;grid-template-columns:1fr 1fr}.number-grid article{grid-column:span 6!important}.flow-grid{grid-template-columns:1fr 1fr}.flow-grid article:first-child{grid-column:span 2}.guides{grid-template-columns:1fr 1fr}.story-grid{grid-template-columns:1fr}.magazine{grid-template-columns:1fr 1fr}.feature-grid{grid-template-columns:1fr}.principle-grid{grid-template-columns:1fr 1fr}.app-grid,.security-grid,.privacy-grid{grid-template-columns:1fr}.article-shell{grid-template-columns:1fr;gap:18px}.article-nav{position:static;background:var(--sub);padding:17px;border-radius:12px}.article-nav ol{columns:2}.inner-grid{grid-template-columns:1fr auto}.hero-count{font-size:70px}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.footer-bottom{flex-direction:column}.site-footer{padding-bottom:94px}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:210;display:grid;grid-template-columns:repeat(5,1fr);background:rgba(255,255,255,.97);border-top:1px solid var(--neutral);padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom a{min-height:58px;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--muted);font-size:15px}.mobile-bottom span{font-size:10px;font-weight:700}.mobile-bottom .is-current{color:var(--blue)}}
@media(max-width:640px){.section-pad{padding:52px 0}.hero{padding-top:34px}.hero-copy h1{font-size:38px}.hero-copy>p:not(.eyebrow){font-size:15px}.hero-visual,.fallback-visual{min-height:270px}.hero-side{grid-template-columns:1fr}.section-heading{display:block}.section-heading h2{font-size:32px;margin-bottom:11px}.number-grid{display:block}.number-grid article{margin-bottom:9px}.map-grid,.board,.flow-grid,.qa-grid,.guides,.principle-grid,.folder-grid,.related-grid{grid-template-columns:1fr}.map-grid .wide{grid-column:auto;min-height:260px}.timeline{display:block;border:0}.timeline article{border-right:0;border-bottom:1px solid var(--neutral)}.tag-wall a{font-size:15px!important;padding:9px 13px}.magazine{grid-template-columns:1fr}.magazine a:nth-child(1),.magazine a:nth-child(6){grid-column:auto}.feature-grid{display:block}.bulletins a{grid-template-columns:1fr;gap:3px}.list-articles article{grid-template-columns:55px 1fr}.inner-grid{display:block}.inner-hero h1{font-size:44px}.hero-count{margin-top:26px;font-size:54px}.article-nav ol{columns:1}.prose h2{font-size:25px}.prose p{font-size:15px}.mega-grid{grid-template-columns:1fr}.search-results{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.faq-shell p{padding-left:0;padding-right:0}.security-grid ul,.privacy-items,.app-points{grid-template-columns:1fr 1fr}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

/* Distinct inner-page compositions */
.local-index{border-bottom:1px solid var(--neutral);background:#fff}.local-index>div{display:flex;gap:22px;overflow-x:auto;padding:12px 0;scrollbar-width:thin}.local-index a{flex:0 0 auto;color:var(--muted);font-size:13px;font-weight:800}.local-index a:hover{color:var(--blue)}.local-magazine{display:grid;grid-template-columns:repeat(12,1fr);gap:18px}.local-piece{grid-column:span 4;border-top:2px solid var(--ink);padding:22px 6px}.local-piece:nth-child(2),.local-piece:nth-child(5){grid-column:span 5}.local-piece:nth-child(3),.local-piece:nth-child(6){grid-column:span 3}.local-piece h2{color:var(--ink);font-size:25px;line-height:1.3}.local-piece p{margin-bottom:0}.local-piece .no{color:var(--blue);font-weight:900}.local-lead{grid-column:1/-1;display:grid;grid-template-columns:.7fr 1.3fr;gap:30px;background:var(--pale);border-radius:18px;padding:30px}.local-lead h2{font-size:38px}
.weekend-plan-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.weekend-plan-grid>article{background:#fff;border:1px solid var(--neutral);border-radius:16px;padding:20px}.weekend-plan-grid>article>span{display:inline-flex;color:var(--blue);font-size:12px;font-weight:900;letter-spacing:.12em}.weekend-plan-grid h2{color:var(--ink);font-size:25px}.weekend-plan-grid section{padding:15px 0;border-top:1px solid var(--neutral)}.weekend-plan-grid section h3{margin:0 0 6px;color:var(--ink);font-size:16px}.weekend-plan-grid section p{margin:0;color:var(--muted);font-size:13px}
.living-shell{max-width:900px}.living-chapter{padding:50px 0;border-bottom:1px solid var(--neutral)}.living-chapter:first-child{padding-top:0}.living-chapter .no{color:var(--blue);font-weight:900;letter-spacing:.16em}.living-chapter h2{color:var(--ink);font-size:clamp(30px,4vw,45px);line-height:1.2;margin:8px 0 20px}.living-chapter p{font-size:17px;line-height:2}
.journey-page-line{position:relative;max-width:950px;margin:auto}.journey-page-line:before{content:"";position:absolute;left:51px;top:20px;bottom:20px;width:1px;background:var(--line)}.journey-page-line article{position:relative;display:grid;grid-template-columns:105px 1fr;gap:25px;padding:28px 0}.journey-page-line span{position:relative;z-index:1;width:70px;height:70px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:var(--blue);color:#fff;font-weight:900;box-shadow:0 0 0 8px #fff}.journey-page-line h2{margin:0 0 8px;color:var(--ink);font-size:26px}.journey-page-line p{margin:0}
.hobby-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.hobby-grid article{border:1px solid var(--neutral);border-radius:15px;padding:22px;background:#fff}.hobby-grid article>span{color:var(--blue);font-size:12px;font-weight:900}.hobby-grid h2{color:var(--ink);margin:7px 0}.hobby-grid h3{font-size:13px;color:var(--blue);margin:15px 0 4px}.hobby-grid p{margin:0;color:var(--muted);font-size:14px}
.qa-page-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.qa-page-grid article{background:var(--sub);border-radius:16px;padding:24px;border-left:3px solid var(--blue)}.qa-page-grid span{font-size:12px;font-weight:900;color:var(--blue)}.qa-page-grid h2{color:var(--ink);font-size:23px;line-height:1.35}.qa-page-grid p{margin-bottom:0}
.voices-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:25px}.voice-lead{grid-row:span 5;background:var(--pale);border-radius:20px;padding:34px}.voice-lead h2{color:var(--ink);font-size:38px;line-height:1.2}.voice-lead p{font-size:17px;line-height:2}.voice-short{border-top:1px solid var(--neutral);padding:18px 0}.voice-short span,.voice-lead span{color:var(--blue);font-size:12px;font-weight:900}.voice-short h2{font-size:20px;color:var(--ink);margin:6px 0}.voice-short p{font-size:14px;margin:0;color:var(--muted)}
.inspiration-wall{display:grid;grid-template-columns:repeat(12,1fr);gap:13px}.inspiration-wall article{grid-column:span 3;min-height:220px;border-radius:16px;padding:22px;background:var(--sub);display:flex;flex-direction:column}.inspiration-wall article:nth-child(1),.inspiration-wall article:nth-child(6){grid-column:span 6;background:var(--pale)}.inspiration-wall article:nth-child(4),.inspiration-wall article:nth-child(7){grid-column:span 4}.inspiration-wall span{color:var(--blue);font-weight:900}.inspiration-wall h2{color:var(--ink);font-size:22px}.inspiration-wall p{margin-top:auto;font-size:14px;color:var(--muted)}
.spotlight-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.spotlight-grid article{background:#fff;border:1px solid var(--neutral);border-radius:18px;padding:28px;box-shadow:var(--shadow)}.spotlight-grid article>span{color:var(--blue);font-size:12px;font-weight:900;letter-spacing:.14em}.spotlight-grid h2{font-size:30px;color:var(--ink);line-height:1.2}.spotlight-grid p{line-height:1.95}.topic-index{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}.topic-index a{border:1px solid var(--line);border-radius:999px;padding:6px 10px;color:var(--blue);font-size:12px;font-weight:800}.topic-index a:hover{background:var(--pale)}
.bulletins article{display:grid;grid-template-columns:120px 190px 1fr;gap:18px;align-items:start;padding:20px 4px;border-bottom:1px solid var(--neutral)}.bulletins article h2{font-size:18px;color:var(--ink);margin:0}.bulletins article p{margin:0;color:var(--muted);font-size:14px}
.app-detail-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}.app-detail-copy h2{color:var(--ink);font-size:36px}.app-detail-copy p{font-size:17px;line-height:1.95}.app-detail-visual img{max-height:620px;margin:auto;object-fit:contain}
.security-step-grid,.privacy-cat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.security-step-grid article,.privacy-cat-grid article{border-radius:15px;padding:22px;border:1px solid var(--neutral);background:#fff}.security-step-grid article{border-top:3px solid var(--blue)}.privacy-cat-grid article{background:var(--sub)}.security-step-grid span,.privacy-cat-grid span{color:var(--blue);font-weight:900}.security-step-grid h2,.privacy-cat-grid h2{font-size:23px;color:var(--ink)}
.guideline-shell{max-width:950px}.guideline-shell article{display:grid;grid-template-columns:90px 1fr;gap:25px;padding:34px 0;border-bottom:1px solid var(--neutral)}.guideline-shell article>span{color:var(--blue);font-size:31px;font-weight:900}.guideline-shell h2{margin:0 0 9px;color:var(--ink);font-size:27px}.guideline-shell p{margin:0;line-height:1.95}
.help-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.help-grid article{border:1px solid var(--neutral);padding:22px;border-radius:14px;background:#fff}.help-grid article>span{color:var(--blue);font-weight:900}.help-grid h2{color:var(--ink);font-size:22px}.help-grid p{color:var(--muted);font-size:14px}.help-grid a{color:var(--blue);font-weight:800}
@media(max-width:900px){.local-magazine{grid-template-columns:1fr 1fr}.local-piece,.local-piece:nth-child(2),.local-piece:nth-child(3),.local-piece:nth-child(5),.local-piece:nth-child(6){grid-column:auto}.local-lead{grid-column:1/-1;grid-template-columns:1fr}.weekend-plan-grid{grid-template-columns:1fr 1fr}.hobby-grid,.qa-page-grid,.spotlight-grid,.security-step-grid,.privacy-cat-grid,.help-grid{grid-template-columns:1fr}.voices-layout{grid-template-columns:1fr}.voice-lead{grid-row:auto}.inspiration-wall article,.inspiration-wall article:nth-child(1),.inspiration-wall article:nth-child(6),.inspiration-wall article:nth-child(4),.inspiration-wall article:nth-child(7){grid-column:span 6}.app-detail-grid{grid-template-columns:1fr}.guideline-shell article{grid-template-columns:65px 1fr}.bulletins article{grid-template-columns:100px 150px 1fr}}
@media(max-width:640px){.local-magazine,.weekend-plan-grid{grid-template-columns:1fr}.local-lead{padding:22px}.local-lead h2{font-size:30px}.living-chapter p{font-size:15px}.journey-page-line:before{left:25px}.journey-page-line article{grid-template-columns:68px 1fr;gap:12px}.journey-page-line span{width:52px;height:52px}.inspiration-wall{display:block}.inspiration-wall article{margin-bottom:10px;min-height:180px}.guideline-shell article{grid-template-columns:1fr;gap:5px}.bulletins article{grid-template-columns:1fr;gap:5px}}