:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--paper:#eee8dc;--paper-2:#e5dccb;--ink:#1d211e;--ink-soft:#5d625b;--line:#1d211e29;--card:#f9f6eead;--red:#9f382c;--gold:#a48245;--shadow:0 24px 70px #2722191f;scroll-behavior:smooth;font-family:Noto Serif TC,Songti TC,STSong,YuMincho,serif}:root[data-theme=dark]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--paper:#171916;--paper-2:#22241f;--ink:#ece7db;--ink-soft:#b6b5aa;--line:#eee8dc29;--card:#272923c7;--red:#d06b59;--gold:#c8a96a;--shadow:0 24px 70px #00000047}*{box-sizing:border-box}body{background:var(--paper);color:var(--ink);margin:0;line-height:1.8;overflow-x:hidden}body:before{content:"";pointer-events:none;opacity:.32;mix-blend-mode:multiply;z-index:-1;background-image:url(/brand/rice-paper.png);background-size:640px;position:fixed;inset:0}button,a{font:inherit}a{color:inherit;text-decoration:none}button{color:inherit}.site-shell{min-height:100vh}.section-pad{padding-left:max(6vw,24px);padding-right:max(6vw,24px)}.site-header{z-index:20;background:color-mix(in srgb,var(--paper) 86%,transparent);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom:1px solid var(--line);position:fixed;inset:0 0 auto}.header-inner{align-items:center;gap:40px;max-width:1440px;height:68px;margin:auto;padding:0 max(4vw,20px);display:flex}.brand{align-items:center;gap:10px;margin-right:auto;display:flex}.brand span{flex-direction:column;line-height:1.15;display:flex}.brand strong{letter-spacing:.12em}.brand small{color:var(--ink-soft);letter-spacing:.08em;font:10px/1.4 ui-sans-serif,system-ui}.header-inner nav{gap:25px;font-size:14px;display:flex}.header-inner nav a{position:relative}.header-inner nav a:after{content:"";border-bottom:1px solid var(--red);transition:all .25s;position:absolute;bottom:-5px;left:0;right:100%}.header-inner nav a:hover:after{right:0}.header-actions{gap:8px;display:flex}.icon-button,.menu-button{border:1px solid var(--line);cursor:pointer;background:0 0;border-radius:50%;width:40px;height:40px}.menu-button{display:none}.hero{grid-template-columns:minmax(0,1.05fr) minmax(380px,.95fr);align-items:center;gap:7vw;max-width:1600px;min-height:100svh;margin:auto;padding-top:150px;padding-bottom:80px;display:grid;position:relative}.hero-copy{z-index:2;max-width:710px}.seal-label,.eyebrow,.section-heading>p{text-transform:uppercase;letter-spacing:.22em;color:var(--red);font:600 12px/1.5 ui-sans-serif,system-ui}.seal-label:before{content:"";border-top:1px solid var(--red);vertical-align:middle;width:44px;margin-right:13px;display:inline-block}.hero h1{letter-spacing:.03em;margin:23px 0 30px;font-size:clamp(54px,7.1vw,112px);font-weight:500;line-height:1.05}.hero h1 em{color:var(--red);font-style:normal}.lead{max-width:650px;color:var(--ink-soft);font-size:clamp(17px,1.45vw,22px)}.hero-actions{align-items:center;gap:28px;margin-top:36px;display:flex}.primary-button{background:var(--ink);color:var(--paper);letter-spacing:.12em;border-radius:2px;padding:13px 28px;display:inline-flex}.text-button{border-bottom:1px solid var(--ink);padding:9px 0}.text-button span{margin-left:8px}.privacy-note{color:var(--ink-soft);letter-spacing:.08em;margin-top:26px;font:12px/1.6 ui-sans-serif,system-ui}.hero-art{place-items:center;height:min(650px,67vw);display:grid;position:relative}.shell-image{z-index:3;filter:drop-shadow(0 28px 25px #1c18112e);width:min(520px,92%);animation:6s ease-in-out infinite float;position:relative}.cosmos-ring{border:1px solid var(--line);border-radius:50%;position:absolute}.ring-one{aspect-ratio:1;width:86%}.ring-two{aspect-ratio:1;border-style:dashed;width:62%;animation:40s linear infinite rotate}.ring-one:before,.ring-one:after{content:"● ○ ● ○ ●";letter-spacing:9px;color:var(--ink-soft);font-size:12px;position:absolute;left:50%;transform:translate(-50%)}.ring-one:before{top:-12px}.ring-one:after{bottom:-12px}.luoshu-mini{opacity:.42;grid-template-columns:repeat(3,30px);display:grid;position:absolute;top:8%;right:1%;transform:rotate(7deg)}.luoshu-mini span{border:1px solid var(--line);place-items:center;height:30px;font-size:11px;display:grid}.hero-stamp{z-index:4;border:2px solid var(--red);width:104px;height:104px;color:var(--red);flex-direction:column;justify-content:center;align-items:center;font-size:38px;line-height:1;display:flex;position:absolute;bottom:8%;left:2%;transform:rotate(-5deg)}.hero-stamp small{letter-spacing:.02em;margin-top:8px;font:7px/1 ui-sans-serif}.ink-cloud{filter:blur(30px);opacity:.11;background:var(--ink);border-radius:48% 52% 36% 64%;position:absolute}.ink-one{width:38vw;height:23vw;top:20%;right:-5vw;transform:rotate(-20deg)}.concept-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);grid-template-columns:repeat(3,1fr);max-width:1600px;margin:auto;padding-top:80px;padding-bottom:80px;display:grid}.concept-strip article{border-right:1px solid var(--line);grid-template-columns:72px 1fr;gap:22px;padding:10px 5vw;display:grid}.concept-strip article:first-child{padding-left:0}.concept-strip article:last-child{border:0;padding-right:0}.concept-mark{color:var(--red);opacity:.85;font-size:42px}.concept-strip p{color:var(--ink-soft);letter-spacing:.14em;margin:0;font:10px/1.5 ui-sans-serif}.concept-strip h2{margin:5px 0;font-size:24px}.concept-strip article div>span{color:var(--ink-soft);font-size:14px}.story{max-width:1420px;margin:auto;padding-top:150px;padding-bottom:150px}.section-heading h2,.layers h2,.privacy h2,.download h2,.support h2{margin:15px 0;font-size:clamp(36px,4.2vw,66px);font-weight:500;line-height:1.25}.story-grid{grid-template-columns:1.1fr .9fr;gap:10vw;margin-top:70px;display:grid}.story-prose{color:var(--ink-soft);max-width:700px;font-size:18px}.dropcap:first-letter{float:left;color:var(--red);padding:12px 10px 0 0;font-size:72px;line-height:.76}.story blockquote{color:var(--ink);border-left:3px solid var(--red);margin:50px 0 0;padding-left:25px;font-size:25px}.timeline{border-left:1px solid var(--line)}.timeline>div{grid-template-columns:75px 1fr;padding:8px 0 42px;display:grid;position:relative}.timeline>div:before{content:"";background:var(--red);border-radius:50%;width:7px;height:7px;position:absolute;top:20px;left:-4px}.timeline b{color:var(--red);padding-left:24px;font:12px/1 ui-sans-serif}.timeline span{color:var(--ink-soft);flex-direction:column;display:flex}.timeline strong{color:var(--ink);margin-bottom:4px;font-size:23px}.how{background:color-mix(in srgb,var(--paper-2) 70%,transparent);padding-top:130px;padding-bottom:150px}.center{text-align:center}.section-heading>span{color:var(--ink-soft)}.steps-grid{grid-template-columns:repeat(4,1fr);max-width:1400px;margin:80px auto 0;display:grid}.steps-grid article{border:1px solid var(--line);border-right:0;min-height:340px;padding:30px;position:relative}.steps-grid article:last-child{border-right:1px solid var(--line)}.step-no{color:var(--red);font:12px/1 ui-sans-serif}.line-symbol{flex-direction:column;justify-content:center;gap:8px;height:100px;display:flex}.line-symbol i{background:var(--ink);height:6px;display:block}.line-symbol i.broken{background:linear-gradient(to right,var(--ink) 0 42%,transparent 42% 58%,var(--ink) 58%)}.steps-grid h3{font-size:25px}.steps-grid p{color:var(--ink-soft);font-size:15px}.layers{grid-template-columns:.8fr 1.2fr;align-items:center;gap:10vw;max-width:1300px;margin:auto;padding-top:160px;padding-bottom:160px;display:grid}.phone-mock{border:1px solid var(--line);background:var(--card);box-shadow:var(--shadow);border-radius:38px;max-width:380px;margin:auto;padding:26px 22px;transform:rotate(-2deg)}.phone-top{justify-content:space-between;padding-bottom:45px;font-weight:700;display:flex}.phone-mock>p{color:var(--red);margin:0;font-size:13px}.phone-mock h3{margin:8px 0 25px;font-size:28px;line-height:1.4}.mock-card{border-top:1px solid var(--line);justify-content:space-between;padding:18px 2px;display:flex}.mock-card.muted{color:var(--ink-soft)}.phone-mock button{background:var(--ink);width:100%;color:var(--paper);border:0;margin-top:22px;padding:14px}.layer-row{border-top:1px solid var(--line);grid-template-columns:55px 1fr;gap:20px;padding:24px 0;display:grid}.layer-row>b{color:var(--red);font-size:28px;font-weight:400}.layer-row span{color:var(--ink-soft);flex-direction:column;display:flex}.layer-row strong{color:var(--ink);font-size:20px}.privacy{background:var(--ink);color:var(--paper);grid-template-columns:1fr 1fr;gap:10vw;padding-top:120px;padding-bottom:120px;display:grid}.privacy>div>p:last-child{max-width:600px;color:color-mix(in srgb,var(--paper) 68%,transparent)}.privacy ul{margin:0;padding:20px 0;list-style:none}.privacy li{border-bottom:1px solid #ffffff26;padding:16px 0;font-size:17px}.privacy li span{color:#d08b72;margin-right:15px}.download{grid-template-columns:1fr 340px;align-items:center;gap:10vw;max-width:1300px;margin:auto;padding-top:150px;padding-bottom:150px;display:grid}.download-copy>p:last-of-type{max-width:650px;color:var(--ink-soft);font-size:18px}.platforms{gap:10px;margin-top:30px;display:flex}.platforms span{border:1px solid var(--line);padding:10px 16px;font-family:ui-sans-serif}.qr-wrap{text-align:center;background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow);padding:32px}.qr-placeholder{aspect-ratio:1;background:repeating-conic-gradient(var(--ink) 0 25%,transparent 0 50%) 0/18px 18px;border:14px solid var(--paper);place-items:center;width:220px;margin:auto;display:grid;position:relative}.qr-placeholder:after{content:"";background:var(--paper);position:absolute;inset:28%}.qr-placeholder img{z-index:2;border-radius:15px;width:65px}.qr-placeholder span{background:var(--paper);font:9px ui-sans-serif;position:absolute;bottom:1px;right:5px}.qr-wrap strong,.qr-wrap small{display:block}.qr-wrap strong{margin-top:18px;font-size:19px}.qr-wrap small{color:var(--ink-soft)}.support{background:color-mix(in srgb,var(--red) 8%,var(--paper));grid-template-columns:100px 1fr auto;align-items:center;gap:40px;padding-top:90px;padding-bottom:90px;display:grid}.support-stamp{border:2px solid var(--red);color:var(--red);place-items:center;width:80px;height:80px;font-size:38px;display:grid;transform:rotate(-4deg)}.support h2{margin:8px 0;font-size:36px}.support p{max-width:720px;color:var(--ink-soft);margin:0}.support button{border:1px solid var(--line);color:var(--ink-soft);cursor:not-allowed;background:0 0;padding:14px 24px}.disclaimer{border-bottom:1px solid var(--line);align-items:flex-start;gap:30px;padding-top:50px;padding-bottom:50px;display:flex}.disclaimer span{white-space:nowrap;color:var(--red);font-weight:700}.disclaimer p{color:var(--ink-soft);margin:0}footer{text-align:center;max-width:1600px;margin:auto;padding:76px max(6vw,24px) 30px}.footer-brand{justify-content:center;align-items:center;gap:10px;display:flex}.footer-brand img{width:36px}.footer-brand span{color:var(--ink-soft);margin-left:5px}.footer-map{flex-wrap:wrap;justify-content:center;align-items:center;margin:34px auto 38px;font-size:14px;display:flex}.footer-map a{padding:4px 20px;position:relative}.footer-map a+a:before{content:"";border-left:1px solid var(--line);height:60%;position:absolute;top:20%;left:0}.footer-map a:hover{color:var(--red)}footer>p{border-top:1px solid var(--line);color:var(--ink-soft);padding-top:22px;font:11px ui-sans-serif}@keyframes float{50%{transform:translateY(-13px)rotate(1deg)}}@keyframes rotate{to{transform:rotate(360deg)}}@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}@media (width<=900px){.header-inner nav{background:var(--paper);border:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;padding:22px;display:none;position:absolute;top:94px;left:16px;right:16px}.header-inner nav.open{display:flex}.menu-button{display:block}.hero{grid-template-columns:1fr;padding-top:155px}.hero-art{height:480px}.concept-strip{grid-template-columns:1fr}.concept-strip article,.concept-strip article:first-child,.concept-strip article:last-child{border-right:0;border-bottom:1px solid var(--line);padding:30px 0}.story-grid,.layers,.privacy,.download{grid-template-columns:1fr}.steps-grid{grid-template-columns:repeat(2,1fr)}.steps-grid article:nth-child(2){border-right:1px solid var(--line)}.support{grid-template-columns:80px 1fr}.support button{grid-column:2}.qr-wrap{max-width:340px}.layers-copy{order:-1}}@media (width<=600px){.section-pad{padding-left:20px;padding-right:20px}.hero h1{font-size:49px}.hero-art{height:390px}.hero-stamp{width:80px;height:80px;font-size:30px}.story,.how,.layers,.download{padding-top:100px;padding-bottom:100px}.story-grid{margin-top:45px}.steps-grid{grid-template-columns:1fr;margin-top:45px}.steps-grid article,.steps-grid article:nth-child(2){border-right:1px solid var(--line);border-bottom:0;min-height:auto}.steps-grid article:last-child{border-bottom:1px solid var(--line)}.privacy{padding-top:80px;padding-bottom:80px}.support{grid-template-columns:1fr}.support button{grid-column:1}.disclaimer{flex-direction:column;gap:8px}footer nav,footer div{flex-wrap:wrap}footer div span{width:100%;margin-left:42px}.qr-placeholder{width:190px}}@media (width<=900px){.header-inner nav{top:68px}}@media (width<=600px){.footer-map{gap:8px 0}.footer-map a{flex:0 0 50%;padding:5px 10px}.footer-map a:nth-child(odd):before{display:none}}body:before{opacity:.58;mix-blend-mode:multiply;background-image:linear-gradient(#eee8dc57,#eee8dc57),url(/brand/paper-light-v2.webp);background-position:top;background-size:1254px 1254px}:root[data-theme=dark] body:before{opacity:.48;mix-blend-mode:normal;background-image:linear-gradient(#1719162e,#1719162e),url(/brand/paper-dark-v2.webp)}.concept-section{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:color-mix(in srgb, var(--paper-2) 58%, transparent);min-height:100svh;padding-top:130px;padding-bottom:120px}.concept-heading{max-width:880px;margin:0 auto 64px}.concept-heading h2{margin:14px 0 18px;font-size:clamp(36px,4.3vw,62px);font-weight:400;line-height:1.2}.concept-heading>span{max-width:720px;margin:auto;font-size:17px;display:block}.concept-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;max-width:1420px;margin:auto;display:grid}.concept-card{border:1px solid var(--line);background:color-mix(in srgb, var(--card) 88%, transparent);flex-direction:column;min-height:540px;padding:34px;display:flex;box-shadow:0 18px 50px #2722190f}.concept-card>p:first-of-type{color:var(--red);letter-spacing:.14em;text-transform:uppercase;margin:24px 0 4px;font:600 10px/1.5 ui-sans-serif,system-ui}.concept-card h3{align-items:baseline;gap:13px;margin:5px 0 15px;font-size:26px;font-weight:500;display:flex}.concept-card h3 b{color:var(--red);font-size:38px;font-weight:400}.concept-summary{min-height:118px;color:var(--ink-soft);font-size:15px}.concept-card dl{margin:auto 0 0}.concept-card dl>div{border-top:1px solid var(--line);padding:15px 0}.concept-card dt{color:var(--gold);margin-bottom:3px;font-size:13px;font-weight:700}.concept-card dd{color:var(--ink-soft);margin:0;font-size:14px}.concept-icon{width:96px;height:96px;color:var(--gold);margin:0 auto}.concept-icon-hetu{border:1px solid var(--line);border-radius:50%;position:relative}.concept-icon-hetu i{border:1px solid;border-radius:50%;width:8px;height:8px;position:absolute}.concept-icon-hetu i:first-child{background:currentColor;top:14px;left:44px}.concept-icon-hetu i:nth-child(2){bottom:14px;left:44px}.concept-icon-hetu i:nth-child(3){background:currentColor;top:44px;left:14px}.concept-icon-hetu i:nth-child(4){top:44px;right:14px}.concept-icon-hetu i:nth-child(5){background:currentColor;top:44px;left:44px}.concept-icon-hetu i:nth-child(6){top:25px;left:25px}.concept-icon-hetu i:nth-child(7){background:currentColor;top:25px;right:25px}.concept-icon-hetu i:nth-child(8){background:currentColor;bottom:25px;left:25px}.concept-icon-hetu i:nth-child(9){bottom:25px;right:25px}.concept-icon-hetu i:nth-child(10){top:29px;left:44px}.concept-icon-yijing{flex-direction:column-reverse;justify-content:center;gap:7px;display:flex}.concept-icon-yijing i{background:currentColor;height:5px;display:block}.concept-icon-yijing i.broken{background:linear-gradient(90deg,currentColor 0 42%,#0000 42% 58%,currentColor 58%)}.concept-icon-luoshu{border:1px solid;grid-template-columns:repeat(3,1fr);display:grid}.concept-icon-luoshu i{border:1px solid color-mix(in srgb, currentColor 46%, transparent);place-items:center;font:13px/1 ui-sans-serif,system-ui;display:grid}.concept-footnote{text-align:center;max-width:820px;color:var(--ink-soft);margin:45px auto 0;font-size:15px}.disclaimer{border:1px solid color-mix(in srgb, var(--red) 34%, var(--line));background:color-mix(in srgb, var(--card) 94%, var(--paper));border-radius:4px;margin-top:24px;margin-bottom:24px;box-shadow:0 12px 34px #27221912}.disclaimer span{color:var(--red);font-size:16px}.disclaimer p{color:var(--ink);font-size:15.5px;line-height:1.85}@media (width<=980px){.concept-grid{grid-template-columns:1fr;max-width:720px}.concept-card,.concept-summary{min-height:auto}}@media (width<=600px){body:before{background-size:920px 920px}.concept-section{padding-top:95px;padding-bottom:90px}.concept-heading{margin-bottom:42px}.concept-card{padding:27px 23px}.disclaimer{margin-left:14px;margin-right:14px;padding:24px 20px}}.brand img,.footer-brand img{object-fit:cover;border-radius:10px}.brand img{width:40px;height:40px}.hero h1{letter-spacing:.075em;max-width:760px;margin:28px 0 34px;font-size:clamp(42px,5.2vw,76px);font-weight:400;line-height:1.18}.hero h1 em{letter-spacing:.11em;margin-top:.16em;font-size:.88em;display:inline-block}.download h2{letter-spacing:.045em;margin:18px 0 28px;font-size:clamp(30px,3.55vw,52px);font-weight:400;line-height:1.34}.download h2 span{white-space:nowrap;display:block}.copyright{flex-wrap:wrap;justify-content:center;align-items:center;gap:6px;display:flex}.copyright img{object-fit:contain;width:22px;height:22px;margin-right:3px}.copyright a{color:var(--ink);letter-spacing:.035em;font-weight:600}.copyright a:hover{color:var(--red);text-underline-offset:3px;text-decoration:underline}.support-actions{flex-direction:column;align-items:stretch;gap:10px;display:flex}.ai-guide{grid-template-columns:minmax(0,1.05fr) minmax(340px,.75fr);align-items:center;gap:clamp(44px,8vw,120px);max-width:1440px;min-height:100svh;margin:auto;padding-top:110px;padding-bottom:70px;display:grid}.hero-ai-note{border-left:3px solid var(--red);background:color-mix(in srgb, var(--red) 6%, transparent);flex-direction:column;margin-top:18px;padding:10px 14px;transition:background-color .2s,transform .2s;display:inline-flex}.hero-ai-note:hover{background:color-mix(in srgb, var(--red) 11%, transparent);transform:translate(3px)}.hero-ai-note b{color:var(--red);letter-spacing:.08em;font-size:13px}.hero-ai-note span{color:var(--ink);font-size:14px}.how-ai-link{color:var(--red);letter-spacing:.04em;border-bottom:1px solid;margin-top:10px;font:700 13px/1.5 ui-sans-serif,system-ui;display:inline-block}.step-ai-callout{border:1px solid color-mix(in srgb, var(--red) 38%, var(--line));color:var(--ink-soft);text-align:left;margin:12px 12px 0;padding:10px;font-size:12px;line-height:1.55;display:block}.step-ai-callout b{color:var(--red);font-size:13px;display:block}.layers-ai-intro{border-left:3px solid var(--red);color:var(--ink-soft);margin:-8px 0 20px;padding-left:14px}.platforms .android-tester-button{border:1px solid var(--red);color:var(--red);cursor:pointer;background:0 0;padding:10px 16px;font:700 14px/1.5 ui-sans-serif,system-ui;transition:background-color .2s,color .2s,transform .2s}.platforms .android-tester-button:hover{background:var(--red);color:#fffaf0;transform:translateY(-2px)}.platforms .android-tester-button:focus-visible{outline:3px solid color-mix(in srgb, var(--red) 40%, transparent);outline-offset:3px}.tester-note{max-width:660px;color:var(--ink-soft);margin-top:12px;font:12px/1.6 ui-sans-serif,system-ui;display:block}@media (width<=600px){.platforms{flex-direction:column;align-items:stretch}.platforms span,.platforms .android-tester-button{text-align:center}}.tester-modal{width:min(620px,100%)}.tester-rules{color:var(--ink-soft);margin:18px 0;padding-left:1.3em}.tester-rules li{margin:8px 0;padding-left:4px;line-height:1.6}.tester-rules li::marker{color:var(--red)}.tester-manual-button{border:1px solid color-mix(in srgb, var(--red) 52%, var(--line));width:100%;color:var(--red);justify-content:space-between;align-items:center;gap:16px;margin-top:18px;padding:12px 16px;font-weight:700;transition:background-color .18s,transform .18s;display:flex}.tester-manual-button span{color:var(--ink-soft);white-space:nowrap;font-size:12px;font-weight:500}.tester-manual-button:hover{background:color-mix(in srgb, var(--red) 8%, transparent);transform:translateY(-2px)}.tester-manual-button:focus-visible{outline:3px solid color-mix(in srgb, var(--red) 42%, transparent);outline-offset:3px}.tester-apply-button{border:1px solid var(--red);background:var(--red);color:#fffaf0;text-align:center;cursor:pointer;width:100%;margin-top:18px;padding:13px 20px;font-weight:700;transition:transform .18s,box-shadow .18s;display:block}.tester-apply-button:hover{box-shadow:0 8px 22px color-mix(in srgb, var(--red) 26%, transparent);transform:translateY(-2px)}.tester-apply-button:focus-visible{outline:3px solid color-mix(in srgb, var(--red) 42%, transparent);outline-offset:3px}.ai-guide-copy h2{margin:10px 0 22px;font-size:clamp(40px,4.6vw,68px);font-weight:500;line-height:1.18}.ai-guide-lead{max-width:760px;color:var(--ink-soft);font-size:clamp(16px,1.2vw,19px)}.ai-modes{grid-template-columns:1fr 1fr;gap:14px;margin:26px 0 20px;display:grid}.ai-modes article{border:1px solid var(--line);background:color-mix(in srgb, var(--card) 84%, transparent);padding:18px}.ai-modes b,.ai-modes span{display:block}.ai-modes b{color:var(--red);margin-bottom:5px;font-size:18px}.ai-modes span{color:var(--ink-soft);font-size:14px;line-height:1.65}.ai-privacy-note{border-left:3px solid var(--red);max-width:760px;color:var(--ink-soft);margin:0;padding-left:16px;font-size:14px}.ai-privacy-note span{color:var(--ink);font-weight:700;display:block}.ai-flow{border:1px solid var(--line);background:var(--card);width:min(100%,430px);box-shadow:var(--shadow);border-radius:32px;margin:auto;padding:24px}.ai-oracle-card,.ai-choice-card,.ai-share-card{border:1px solid var(--line);background:color-mix(in srgb, var(--paper) 78%, transparent);padding:18px}.ai-oracle-card small,.ai-choice-card small{color:var(--red);letter-spacing:.12em;display:block}.ai-oracle-card strong{margin-top:5px;font-size:25px;display:block}.ai-oracle-card p{margin:4px 0 10px;line-height:1.55}.ai-oracle-card span{color:var(--ink-soft);font-size:12px}.ai-flow-arrow{height:28px;color:var(--red);place-items:center;display:grid}.ai-choice-card b{border:1px solid var(--line);margin-top:10px;padding:9px 12px;font-size:14px;display:block}.ai-choice-card b.active{border-color:var(--red);color:var(--red);background:color-mix(in srgb, var(--red) 7%, transparent)}.ai-share-card{grid-template-columns:28px 1fr;gap:10px 8px;display:grid}.ai-share-card>span{background:var(--red);color:#fff;border-radius:50%;place-items:center;width:25px;height:25px;font:700 12px/1 ui-sans-serif,system-ui;display:grid}.ai-share-card p{color:var(--ink-soft);margin:0;font-size:13px;line-height:1.5}.ai-share-card b{color:var(--ink);display:block}@media (width<=900px){.ai-guide{grid-template-columns:1fr;min-height:auto;padding-top:100px;padding-bottom:100px}.ai-flow{width:min(100%,520px)}}@media (width<=600px){.ai-guide-copy h2{font-size:38px}.ai-modes{grid-template-columns:1fr}.ai-flow{border-radius:24px;padding:14px}}.support .support-actions>button{border:1px solid var(--ink);background:var(--ink);color:var(--paper);cursor:pointer;letter-spacing:.035em;box-shadow:0 5px 18px color-mix(in srgb, var(--ink) 16%, transparent);border-radius:2px;padding:13px 24px;font-weight:600;transition:transform .18s,background-color .18s,color .18s,box-shadow .18s}.support .support-actions>button:hover{background:var(--red);border-color:var(--red);color:#fffaf0;box-shadow:0 9px 24px color-mix(in srgb, var(--red) 24%, transparent);transform:translateY(-2px)}.support .support-actions>button:active{box-shadow:0 3px 10px color-mix(in srgb, var(--ink) 15%, transparent);transform:translateY(0)}.support .support-actions>button:focus-visible{outline:3px solid color-mix(in srgb, var(--red) 45%, transparent);outline-offset:3px}.coffee-support{position:relative;overflow:visible;transform:rotate(-3deg)}.coffee-cup{border:3px solid;border-top-width:2px;border-radius:3px 3px 12px 12px;width:36px;height:25px;position:absolute;bottom:20px;left:19px}.coffee-cup:before{content:"";border:3px solid;border-left:0;border-radius:0 10px 10px 0;width:12px;height:13px;position:absolute;top:4px;right:-13px}.coffee-cup:after{content:"";border-bottom:2px solid;border-radius:50%;position:absolute;bottom:-9px;left:-8px;right:-17px}.coffee-steam{opacity:0;transform-origin:50% 100%;border-left:2px solid;border-radius:50%;width:10px;height:24px;animation:3.2s ease-in-out infinite coffee-steam;position:absolute;bottom:43px}.steam-one{left:29px}.steam-two{animation-delay:1.15s;left:44px}@keyframes coffee-steam{0%{opacity:0;transform:translate(0)scaleY(.18)}28%{opacity:.72;transform:translate(1px)scaleY(.62)}68%{opacity:.38;transform:translate(-1px)scaleY(.94)}to{opacity:0;transform:translate(2px)scaleY(1.08)}}.support-actions a{border:1px solid var(--ink);color:var(--ink);text-align:center;padding:12px 24px;transition:background-color .2s,color .2s}.support-actions a:hover{background:var(--ink);color:var(--paper)}.support-modal-backdrop{z-index:1000;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);background:#0f0d0aa8;place-items:center;padding:20px;display:grid;position:fixed;inset:0}.support-modal{border:1px solid color-mix(in srgb, var(--ink) 22%, transparent);background:var(--paper);width:min(520px,100%);max-height:calc(100dvh - 40px);color:var(--ink);border-radius:4px;padding:clamp(26px,5vw,44px);position:relative;overflow:auto;box-shadow:0 24px 80px #0000004d}.support-modal h2{margin:8px 36px 12px 0}.support-modal-close{width:42px;height:42px;color:var(--ink);background:0 0;border:0;font-size:30px;line-height:1;position:absolute;top:12px;right:14px}.bank-details{border-block:1px solid color-mix(in srgb, var(--ink) 18%, transparent);margin:22px 0}.bank-details div{border-bottom:1px solid color-mix(in srgb, var(--ink) 10%, transparent);grid-template-columns:92px 1fr;gap:12px;padding:12px 0;display:grid}.bank-details div:last-child{border-bottom:0}.bank-details dt{color:var(--ink-soft)}.bank-details dd{margin:0;font-weight:700}.bank-details code{color:inherit;letter-spacing:.04em;font:700 1.05em/1.4 ui-monospace,SFMono-Regular,Menlo,monospace}.support-caution{color:var(--ink-soft);font-size:14px}.support-copy{cursor:pointer;width:100%;margin-top:8px}.footer-contact{color:var(--ink-soft);border:0;margin:0 auto 22px;padding:0;font:13px/1.7 ui-sans-serif,system-ui}.footer-contact a{color:var(--ink);text-underline-offset:4px;text-decoration:underline}.footer-contact a:hover{color:var(--red)}.yi-word{white-space:nowrap}.yi-y,.yi-i{text-shadow:0 0 18px color-mix(in srgb, currentColor 18%, transparent);font-weight:600}.yi-y{color:color-mix(in srgb, var(--red) 82%, var(--ink))}.yi-i{color:color-mix(in srgb, var(--gold) 84%, var(--ink))}.steps-grid{grid-template-columns:repeat(5,minmax(0,1fr));gap:12px;max-width:1500px;margin-left:auto;margin-right:auto}.steps-grid article{border:1px solid var(--line);min-height:0;padding:20px 18px 26px}.step-visual{aspect-ratio:1;width:100%;margin:12px 0 22px;display:block;position:relative}.step-illustration{border:1px solid color-mix(in srgb, var(--ink) 15%, transparent);object-fit:cover;border-radius:50%;width:100%;height:100%;display:block;box-shadow:0 14px 28px #1f1c1717}.breathe-visual{transform-origin:50%;animation:7.2s ease-in-out infinite breathe-circle}.cast-frame-second{opacity:0;position:absolute;inset:0}.cast-frame-first{animation:8s ease-in-out infinite cast-frame-first}.cast-frame-second{animation:8s ease-in-out infinite cast-frame-second}@keyframes breathe-circle{0%,to{transform:scale(.92)}50%{transform:scale(1)}}@keyframes cast-frame-first{0%,42%,to{opacity:1}50%,92%{opacity:0}}@keyframes cast-frame-second{0%,42%,to{opacity:0}50%,92%{opacity:1}}.steps-grid h3{margin-top:0}@media (width>=981px){.concept-section,.how,.privacy,.download{min-height:100svh}.concept-section,.how{flex-direction:column;justify-content:center;padding-top:82px;padding-bottom:34px;display:flex}.privacy,.download{align-items:center;padding-top:clamp(86px,10vh,116px);padding-bottom:clamp(42px,6vh,68px)}.privacy ul{padding-top:0;padding-bottom:0}.download h2{font-size:clamp(34px,3.5vw,52px)}.concept-heading{margin-bottom:clamp(22px,3.2vh,38px)}.concept-heading h2{margin:8px 0 10px;font-size:clamp(34px,3.5vw,52px)}.concept-card{min-height:0;padding:clamp(18px,2.1vh,26px)}.concept-card>p:first-of-type{margin-top:12px}.concept-card h3{margin:3px 0 8px}.concept-summary{min-height:0;margin:4px 0 10px}.concept-card dl>div{padding:clamp(7px,1vh,11px) 0}.concept-footnote{margin-top:clamp(16px,2.5vh,28px)}.how .section-heading h2{margin:8px 0 10px;font-size:clamp(34px,3.5vw,52px)}.steps-grid{width:100%;margin-top:clamp(22px,3.5vh,38px)}.steps-grid article{padding:clamp(14px,1.8vh,20px) 16px clamp(16px,2.2vh,24px)}.step-visual{max-width:min(100%,230px);margin:clamp(7px,1vh,12px) auto clamp(10px,1.6vh,18px)}.steps-grid h3{margin-bottom:5px;font-size:clamp(20px,1.55vw,24px)}.steps-grid p{margin:0;line-height:1.65}}@media (width>=981px) and (height<=760px){.privacy,.download{padding-top:76px;padding-bottom:24px}.privacy h2,.download h2{font-size:38px}.privacy li{padding-top:11px;padding-bottom:11px}.qr-wrap{padding:22px}.qr-placeholder{width:178px}.qr-wrap strong{margin-top:10px}}@media (prefers-reduced-motion:reduce){.breathe-visual{transform:none}.cast-frame-first{opacity:0}.cast-frame-second{opacity:1}}@media (width<=760px){.steps-grid{grid-template-columns:1fr;gap:18px}.steps-grid article{width:100%;max-width:460px;margin:0 auto}}@media (width<=600px){.support-actions{grid-column:1;width:100%}.hero h1{letter-spacing:.045em;font-size:clamp(36px,11.5vw,44px);line-height:1.22}.hero h1 em{letter-spacing:.065em;font-size:.9em}.download h2{letter-spacing:.015em;font-size:clamp(28px,8.3vw,34px);line-height:1.38}}