:root{--navy:#071d2b;--ice:#b9f1ff;--cyan:#43d9ff;--coral:#c93e2c;--paper:#f5f5f0;--white:#fff;--ink:#13252e;--muted:#66747b;--line:#dfe5e4;--shadow:0 24px 70px rgba(3,28,42,.16);--radius:24px;--text-xs:13px;--text-sm:14px;--text-md:16px;--text-lg:18px;--text-xl:20px;--text-2xl:clamp(28px,4vw,34px);--leading-body:1.65;--leading-tight:1.45}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--paper);font-family:"Noto Sans TC","PingFang TC","Microsoft JhengHei",ui-sans-serif,sans-serif;font-size:var(--text-md);line-height:var(--leading-body);-webkit-font-smoothing:antialiased}button,input,select{font:inherit}a{color:inherit}img{max-width:100%;display:block}.skip-link{position:fixed;left:12px;top:-60px;z-index:9999;background:#fff;padding:10px 16px;border-radius:8px}.skip-link:focus{top:12px}
.announcement{min-height:35px;padding:8px 16px;display:flex;gap:9px;justify-content:center;align-items:center;background:var(--ice);color:#06405a;text-align:center;font-size:14px;font-weight:750;letter-spacing:.03em}.announcement-dot{width:7px;height:7px;background:#02a874;border-radius:50%;box-shadow:0 0 0 5px rgba(2,168,116,.12)}
.site-header{height:72px;padding:0 max(24px,calc((100vw - 1240px)/2));display:flex;align-items:center;justify-content:space-between;background:rgba(7,29,43,.92);color:#fff;position:sticky;top:0;z-index:100;backdrop-filter:blur(18px);border-bottom:1px solid rgba(255,255,255,.09)}.brand{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:900;letter-spacing:.11em;text-decoration:none}.brand>span:last-child>span{color:var(--cyan)}.brand-mark{display:grid;place-items:center;width:33px;height:33px;border-radius:10px 3px 10px 3px;background:linear-gradient(145deg,var(--cyan),#fff);color:var(--navy);font-weight:950}.site-header nav{display:flex;gap:32px}.site-header nav a{color:#c8d4d9;text-decoration:none;font-size:14px}.nav-buy{border:1px solid rgba(255,255,255,.28);background:#fff;color:var(--navy);padding:9px 17px;border-radius:99px;font-weight:800;cursor:pointer}
.hero{min-height:520px;height:min(calc(100svh - 107px),860px);max-height:860px;background:var(--navy);color:#fff;position:relative;overflow:hidden}.hero-media,.hero-overlay{position:absolute;inset:0;width:100%;height:100%}.hero-media{object-fit:cover;object-position:center}.hero-slider{position:absolute;inset:0;width:100%;height:100%}.hero-slider-track{position:absolute;inset:0}.hero-slider .hero-media{opacity:0;transition:opacity .45s ease}.hero-slider .hero-media.is-active{opacity:1}.hero-slider-btn{position:absolute;top:50%;z-index:3;transform:translateY(-50%);width:42px;height:42px;border:0;border-radius:99px;background:rgba(255,255,255,.82);color:#0b3b4d;font-size:24px;line-height:1;cursor:pointer;box-shadow:0 8px 20px rgba(2,20,30,.18)}.hero-slider-btn.prev{left:14px}.hero-slider-btn.next{right:14px}.hero-slider-dots{position:absolute;left:50%;bottom:18px;z-index:3;display:flex;gap:8px;transform:translateX(-50%)}.hero-slider-dot{width:8px;height:8px;padding:0;border:0;border-radius:99px;background:rgba(255,255,255,.45);cursor:pointer}.hero-slider-dot.is-active{background:#fff;transform:scale(1.2)}.hero-slider--single .hero-slider-btn,.hero-slider--single .hero-slider-dots{display:none}
@media(max-width:819px){.hero-slider{position:static;inset:auto;grid-area:media}.hero-slider-track{position:relative;aspect-ratio:3/2}.hero-slider .hero-media{position:absolute;inset:0;width:100%;height:100%}.hero-slider-btn{width:38px;height:38px}.hero-slider-dots{bottom:10px}}
.hero-overlay{background:linear-gradient(90deg,rgba(2,17,28,.96),rgba(2,17,28,.72) 39%,rgba(2,17,28,.08) 70%),linear-gradient(0deg,rgba(2,17,28,.55),transparent 35%)}.hero-content{position:relative;z-index:2;max-width:1240px;height:100%;margin:auto;display:flex;flex-direction:column;justify-content:center;align-items:flex-start;padding:58px 24px 88px}.eyebrow{margin:0 0 18px;color:var(--ice);font-size:13px;text-transform:uppercase;font-weight:850;letter-spacing:.14em}.eyebrow span{color:var(--navy);background:var(--cyan);border-radius:99px;padding:4px 8px;margin-right:9px;letter-spacing:.08em}.eyebrow.dark{color:#08789c}.hero h1{max-width:720px;margin:0;font-size:clamp(48px,7vw,92px);line-height:.98;letter-spacing:-.055em;font-weight:900}.hero h1 em{color:var(--cyan);font-style:normal}.hero-copy{max-width:590px;margin:28px 0 30px;color:#d5e0e5;font-size:clamp(16px,2vw,20px)}.hero-actions{display:flex;flex-wrap:wrap;gap:12px}.button{min-height:52px;padding:13px 23px;border:0;border-radius:99px;display:inline-flex;align-items:center;justify-content:center;gap:26px;text-decoration:none;font-weight:850;cursor:pointer;transition:transform .2s,box-shadow .2s,background .2s}.button-primary{background:var(--coral);color:#fff;box-shadow:0 12px 30px rgba(201,62,44,.28)}.button-primary:disabled{opacity:.65;cursor:wait}.button-ghost{border:1px solid rgba(255,255,255,.33);color:#fff;background:rgba(255,255,255,.05)}.hero-proof{display:flex;flex-wrap:wrap;gap:22px;margin-top:25px;color:#becbd0;font-size:13px}.hero-proof i{color:var(--cyan);font-style:normal}.image-note{position:relative;z-index:2;right:auto;bottom:auto;margin:0;padding:9px 16px;background:rgba(3,16,24,.82);color:#fff;font-size:12px;line-height:1.45}
.truth-strip{max-width:1240px;margin:-42px auto 0;position:relative;z-index:5;display:grid;grid-template-columns:repeat(4,1fr);border-radius:20px;overflow:hidden;background:#fff;box-shadow:var(--shadow)}.truth-strip div{padding:24px 26px;display:flex;flex-direction:column;align-items:center;border-right:1px solid var(--line)}.truth-strip div:last-child{border-right:0}.truth-strip strong{font-size:24px;color:#087a9c}.truth-strip span{font-size:12px;color:var(--muted)}
.section{max-width:1240px;margin:0 auto;padding:130px 24px}.section-heading{max-width:740px;margin-bottom:55px}.section-heading h2{margin:0;font-size:clamp(38px,5vw,68px);line-height:1.08;letter-spacing:-.055em}.section-heading>p:last-child{margin:24px 0 0;color:var(--muted);max-width:620px;font-size:17px}.feature-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.feature-card{min-height:390px;position:relative;overflow:hidden;border-radius:var(--radius);padding:28px;display:flex;flex-direction:column;justify-content:flex-end}.feature-index{position:absolute;left:28px;top:24px;font-size:12px;font-weight:900;letter-spacing:.12em}.feature-icon{position:absolute;right:-10px;top:24px;font-size:150px;line-height:1;opacity:.36;font-family:Georgia,serif}.feature-card h3{margin:0 0 10px;font-size:30px;letter-spacing:-.04em}.feature-card p{margin:0;max-width:320px}.ice-card{background:#c9f4ff}.mist-card{background:#dbe9ff}.wind-card{background:#f3dfd5}.claim-note{margin:20px 2px 0;color:#77858b;font-size:11px}
.dark-section{background:var(--navy);color:#fff;padding:125px max(24px,calc((100vw - 1240px)/2))}.section-heading.light{margin-bottom:65px}.scenes{display:grid;grid-template-columns:repeat(2,1fr);border-top:1px solid rgba(255,255,255,.15)}.scenes article{min-height:215px;padding:34px 26px;border-bottom:1px solid rgba(255,255,255,.15)}.scenes article:nth-child(odd){border-right:1px solid rgba(255,255,255,.15)}.scenes p{color:#98b0bb;margin:0 0 5px;font-size:13px}.scenes h3{margin:0;font-size:clamp(21px,2.5vw,31px);line-height:1.25}
.compare{padding-bottom:95px}.table-wrap{overflow-x:auto;border-radius:var(--radius);background:#fff;box-shadow:0 15px 50px rgba(9,47,64,.08)}table{width:100%;border-collapse:collapse;min-width:640px}th,td{text-align:left;padding:21px 27px;border-bottom:1px solid var(--line)}thead th{font-size:13px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}tbody th{font-size:14px}td{color:var(--muted)}tr:last-child th,tr:last-child td{border-bottom:0}.highlight{background:#e9faff;color:#075a75}.section-heading.compact{margin-bottom:38px}.section-heading.compact h2{font-size:clamp(36px,4vw,54px)}.specs{padding-top:50px}.spec-grid{display:grid;grid-template-columns:repeat(2,1fr);margin:0;border-top:1px solid #cdd6d7}.spec-grid div{padding:20px 16px;display:grid;grid-template-columns:150px 1fr;gap:15px;border-bottom:1px solid #cdd6d7}.spec-grid div:nth-child(odd){border-right:1px solid #cdd6d7}.spec-grid dt{color:var(--muted);font-size:13px}.spec-grid dd{margin:0;font-weight:700}.spec-grid .warning{background:#fff3dc}.spec-grid .warning dd{color:#9c5d00}
.buy-section{padding:110px max(24px,calc((100vw - 1240px)/2));display:grid;grid-template-columns:.85fr 1.15fr;gap:90px;background:linear-gradient(145deg,#0a2c3f,#04141e);color:#fff}.buy-copy h2{margin:0 0 24px;font-size:clamp(42px,5vw,66px);line-height:1.05;letter-spacing:-.05em}.buy-copy>p:not(.eyebrow){color:#bfd0d7}.buy-copy ul{list-style:none;margin:30px 0 10px;padding:0}.buy-copy li{padding:9px 0}.buy-copy li::before{content:"✓";color:var(--cyan);margin-right:10px}.buy-copy small{color:#78909b}.plans{display:flex;flex-direction:column;gap:12px}.plan{min-height:100px;padding:23px 24px;position:relative;display:grid;grid-template-columns:24px 1fr auto;align-items:center;gap:14px;border:1px solid rgba(255,255,255,.18);border-radius:18px;background:rgba(255,255,255,.07);cursor:pointer}.plan[hidden],.checkout-plans label[hidden]{display:none!important}.plan.selected{border-color:var(--cyan);background:rgba(67,217,255,.12)}.plan input{accent-color:var(--cyan);width:18px;height:18px}.plan-main,.plan-price{display:flex;flex-direction:column}.plan-main b{font-size:18px}.plan-main small{color:#9eb2bb}.plan-price{text-align:right}.plan-price del{color:#82939b;font-size:12px}.plan-price b{color:var(--cyan);font-size:24px}.popular{margin-top:12px}.popular-badge{position:absolute;left:22px;top:-13px;padding:3px 11px;border-radius:99px;background:var(--cyan);color:var(--navy);font-size:12px;font-weight:900}.buy-wide{width:100%;margin-top:7px}.secure-line{text-align:center;margin:0;color:#8ba2ac;font-size:12px}
.faq-list{border-top:1px solid #cfd8d8}.faq details{border-bottom:1px solid #cfd8d8}.faq summary{list-style:none;cursor:pointer;padding:25px 5px;display:flex;justify-content:space-between;gap:20px;font-size:18px;font-weight:800}.faq summary::-webkit-details-marker{display:none}.faq summary span{font-size:26px;color:#0d86a9;transition:transform .2s}.faq details[open] summary span{transform:rotate(45deg)}.faq details p{max-width:820px;margin:-5px 5px 26px;color:var(--muted)}.answer-block{max-width:1192px;margin:0 auto 100px;padding:30px;border:1px dashed #9bb2b9;border-radius:18px;background:rgba(255,255,255,.45)}.answer-block h2{margin:0 0 15px;font-size:20px}.answer-block p{margin:7px 0;font-size:14px}
footer{background:#031018;color:#fff;padding:70px max(24px,calc((100vw - 1240px)/2)) 25px}.footer-main{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:55px;padding-bottom:60px}.footer-main>div{display:flex;flex-direction:column;align-items:flex-start;gap:9px}.footer-main h2{margin:0 0 9px;font-size:13px;letter-spacing:.1em;text-transform:uppercase;color:#8ba2ac}.footer-main p,.footer-main a{margin:0;color:#9eb0b8;font-size:13px}.footer-brand{margin-bottom:12px}.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:22px;display:flex;justify-content:space-between;color:#71858e;font-size:11px}.sticky-buy{display:none}
.checkout{width:min(680px,calc(100% - 24px));max-height:calc(100dvh - 24px);padding:0;border:0;border-radius:24px;color:var(--ink);box-shadow:0 30px 100px rgba(0,0,0,.4);overflow:auto}.checkout::backdrop{background:rgba(0,15,23,.74);backdrop-filter:blur(6px)}.dialog-close-form{position:sticky;height:0;top:0;z-index:5}.dialog-close{position:absolute;right:17px;top:17px;width:44px;height:44px;border-radius:50%;border:0;background:#eaf0f1;color:var(--ink);font-size:25px;cursor:pointer}.checkout-head{padding:31px 35px 24px;background:var(--navy);color:#fff}.checkout-head h2{margin:0;font-size:31px}.step-label{color:var(--cyan);margin:0 0 2px;font-size:12px;font-weight:900;letter-spacing:.15em}.steps{margin-top:18px;display:flex;align-items:center;color:#748c97;font-size:12px}.steps span.active{color:#fff}.steps i{width:38px;height:1px;margin:0 8px;background:#425761}#checkout-form{padding:28px 35px 34px}fieldset{margin:0 0 25px;padding:0;border:0}legend{width:100%;margin:0 0 12px;padding:0;font-size:13px;font-weight:900}.checkout-plans{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.checkout-plans label{position:relative;cursor:pointer}.checkout-plans input{position:absolute;opacity:0}.checkout-plans label span{min-height:66px;padding:9px;display:flex;flex-direction:column;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:12px;font-size:12px}.checkout-plans label b{font-size:16px}.checkout-plans input:checked+span{border:2px solid #0b96bb;background:#e8faff;color:#056b89}.field-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.field-grid label,.select-label{display:flex;flex-direction:column;gap:5px}.field-grid label.full{grid-column:1/-1}.field-grid span,.select-label>span{font-size:11px;color:var(--muted);font-weight:700}input,select{width:100%;min-height:47px;padding:10px 12px;border:1px solid #cad5d8;border-radius:10px;background:#fff;color:var(--ink);outline:none}input:focus,select:focus{border-color:#0b96bb;box-shadow:0 0 0 3px rgba(11,150,187,.12)}.shipping-tabs{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin-bottom:14px}.shipping-tabs label{position:relative;cursor:pointer}.shipping-tabs input{position:absolute;opacity:0}.shipping-tabs label>span{min-height:66px;display:flex;flex-direction:column;justify-content:center;padding:10px 14px;border:1px solid var(--line);border-radius:11px}.shipping-tabs small{color:var(--muted);font-size:12px}.shipping-tabs input:checked+span{border:2px solid #0b96bb;background:#e8faff}.store-button{width:100%;margin-top:10px;padding:12px 14px;display:grid;grid-template-columns:30px 1fr auto;gap:8px;align-items:center;border:1px solid #cad5d8;border-radius:11px;background:#fff;color:var(--ink);text-align:left;cursor:pointer}.store-button>span:first-child{color:#078ab0;font-size:23px}.store-button #store-button-copy{display:flex;flex-direction:column}.store-button small{color:var(--muted);font-size:12px}.store-button em{color:#078ab0;font-style:normal;font-size:12px;font-weight:800}.consent{display:flex;align-items:flex-start;gap:8px;font-size:11px;color:var(--muted)}.consent input{flex:0 0 auto;width:15px;min-height:15px;accent-color:#078ab0}.consent a{color:#067897}.order-summary{margin:20px 0 16px;padding:17px;border-radius:12px;background:#f1f5f5}.order-summary>div{display:flex;justify-content:space-between;padding:3px 0;font-size:12px}.order-summary .total{margin-top:9px;padding-top:10px;border-top:1px solid #d3dddd;align-items:center;font-size:14px}.order-summary strong{color:#e94c36;font-size:23px}.checkout-submit{width:100%}.checkout-security{margin:9px 0 0;text-align:center;color:#75868c;font-size:12px}.form-error{margin:12px 0;padding:10px 12px;border-radius:9px;color:#9b2c20;background:#ffebe7;font-size:12px}.noscript{position:fixed;inset:auto 10px 10px;z-index:1000;background:#fff3cd;padding:12px;border-radius:8px;text-align:center}
@media(max-width:819px){.site-header{height:62px;padding:0 16px}.site-header nav{display:none}.nav-buy{padding:7px 13px;font-size:12px}.hero{min-height:0;height:auto;max-height:none}.hero-media{object-position:66% center}.hero-overlay{background:linear-gradient(0deg,rgba(2,17,28,.98),rgba(2,17,28,.84) 42%,rgba(2,17,28,.05) 76%)}.hero-content{justify-content:flex-end;padding:180px 20px 74px}.hero h1{font-size:clamp(40px,8vw,58px);line-height:1.12;letter-spacing:-.035em}.hero-copy{margin:18px 0 22px;font-size:15px}.hero-proof{gap:10px 15px;margin-top:18px}.hero-actions .button{min-height:48px;padding:12px 17px;gap:14px}.image-note{top:9px;bottom:auto;right:9px}.truth-strip{width:calc(100% - 24px);margin-top:-26px;grid-template-columns:repeat(2,1fr)}.truth-strip div{padding:16px 12px}.truth-strip div:nth-child(2){border-right:0}.truth-strip div:nth-child(-n+2){border-bottom:1px solid var(--line)}.truth-strip strong{font-size:19px}.section{padding:90px 18px}.section-heading{margin-bottom:35px}.feature-cards{grid-template-columns:1fr}.feature-card{min-height:300px}.dark-section{padding:90px 18px}.scenes{grid-template-columns:1fr}.scenes article:nth-child(odd){border-right:0}.scenes article{min-height:155px;padding:24px 8px}.spec-grid{grid-template-columns:1fr}.spec-grid div:nth-child(odd){border-right:0}.spec-grid div{grid-template-columns:115px 1fr;padding:16px 8px}.buy-section{padding:85px 18px;grid-template-columns:1fr;gap:45px}.plan{padding:20px 15px}.answer-block{margin:0 18px 75px;padding:22px}.footer-main{grid-template-columns:1fr;gap:38px}.footer-bottom{flex-direction:column;gap:6px}.sticky-buy{position:fixed;z-index:90;left:10px;right:10px;bottom:9px;display:flex;justify-content:space-between;align-items:center;padding:8px 8px 8px 17px;background:rgba(255,255,255,.95);border:1px solid #e5ebeb;border-radius:18px;box-shadow:0 10px 40px rgba(1,22,33,.25);backdrop-filter:blur(14px);transition:transform .25s}.sticky-buy.hidden{transform:translateY(130%)}.sticky-buy>div{display:flex;flex-direction:column;line-height:1.2}.sticky-buy span{color:var(--muted);font-size:12px}.sticky-buy strong{font-size:19px}.sticky-buy .button{min-height:43px;padding:9px 17px}footer{padding-bottom:100px}.checkout{border-radius:18px}.checkout-head{padding:27px 20px 20px}#checkout-form{padding:23px 20px 27px}}
@media(max-width:479px){.announcement{font-size:13px}.brand{font-size:14px}.brand-mark{width:29px;height:29px}.button-ghost{display:none}.field-grid{grid-template-columns:1fr}.field-grid label.full{grid-column:auto}.checkout-plans{gap:5px}.shipping-tabs{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,::before,::after{animation-duration:.01ms!important;transition-duration:.01ms!important}}
.spec-grid .certified{background:#e3f9ef}.spec-grid .certified dd{color:#08744d}

/* ado.md UI/UX refinement */
:where(button,a,input,select,summary):focus-visible{outline:3px solid var(--cyan);outline-offset:3px}.button:active,.nav-buy:active,.menu-toggle:active,.store-button:active,.action:active{transform:scale(.98)}button:disabled,.button:disabled,input:disabled,select:disabled{opacity:1;cursor:not-allowed;background-color:#dfe5e4;color:#627178;box-shadow:none}.announcement{padding-left:max(16px,env(safe-area-inset-left));padding-right:max(16px,env(safe-area-inset-right))}.site-header{padding-left:max(24px,env(safe-area-inset-left),calc((100vw - 1240px)/2));padding-right:max(24px,env(safe-area-inset-right),calc((100vw - 1240px)/2))}.header-actions{display:flex;align-items:center;gap:8px}.menu-toggle{display:none;min-width:44px;min-height:44px;border:0;border-radius:99px;background:rgba(255,255,255,.1);color:#fff}.mobile-buy-link{display:none}.hero-buy{padding-block:10px}.hero-buy>span{display:flex;flex-direction:column;align-items:flex-start;gap:0}.hero-buy b{font-size:17px}.hero-buy small{font-size:11px;font-weight:650;opacity:.9}.hero-buy i{font-style:normal}.verification{text-transform:none;letter-spacing:.04em}.plan-main em{margin-top:4px;color:var(--ice);font-size:11px;font-style:normal}.plan:has(input:focus-visible){outline:3px solid var(--cyan);outline-offset:3px}.product-proof,.usage{margin-top:90px}.proof-heading{max-width:680px;margin-bottom:30px}.proof-heading h2{margin:0;font-size:clamp(32px,4vw,52px);line-height:1.1}.proof-heading>p:last-child{color:var(--muted)}.box-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.box-grid article{min-height:220px;padding:24px;border:1px solid var(--line);border-radius:20px;background:#fff}.box-grid h3{margin:22px 0 5px}.box-grid p{margin:0;color:var(--muted);font-size:13px}.line-icon{width:72px;height:72px;display:block;position:relative;border:2px solid #1384a2;border-radius:22px}.fan-icon::after{content:"";position:absolute;inset:15px;border:2px dashed #1384a2;border-radius:50%}.base-icon{height:48px;margin-top:24px;border-radius:50%}.strap-icon{border:0;border-left:3px solid #1384a2;border-right:3px solid #1384a2;border-radius:50%}.cable-icon{border:0;border-bottom:3px solid #1384a2;border-radius:0 0 35px 35px}.cable-icon::after{content:"";position:absolute;right:-5px;bottom:-6px;width:15px;height:10px;border:2px solid #1384a2;border-radius:3px}.usage ol{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:0;padding:0;list-style:none}.usage li{padding:24px;display:flex;gap:16px;border-radius:18px;background:#e9faff}.usage li>span{width:34px;height:34px;flex:0 0 auto;display:grid;place-items:center;border-radius:50%;background:var(--navy);color:var(--cyan);font-weight:900}.usage h3{margin:2px 0 6px}.usage p{margin:0;color:var(--muted);font-size:13px}.scenes small{display:block;max-width:430px;margin-top:10px;color:#91a8b2}.swipe-hint{display:none;margin:0 0 8px;color:var(--muted);font-size:12px}.spec-grid .empty-spec{background:#eef1ef}.spec-grid .empty-spec dd{color:#6e7d82;font-weight:650}.answer-block{padding:0;overflow:hidden;border-style:solid;background:#eef2ef}.answer-block summary{padding:20px 24px;cursor:pointer;font-weight:850;list-style:none}.answer-block summary::-webkit-details-marker{display:none}.answer-block summary::after{content:"＋";float:right;color:#08789c}.answer-block[open] summary::after{content:"−"}.answer-block>div{padding:0 24px 20px}.footer-main [data-public-field]{font-style:italic;color:#91a0a6}.sticky-buy small{color:#73848b;font-size:12px}.checkout{width:min(720px,calc(100% - 24px));scroll-padding-top:110px}.dialog-close{width:44px;height:44px;right:max(17px,env(safe-area-inset-right));top:17px}.checkout-head{padding-right:78px;padding-top:calc(31px + env(safe-area-inset-top))}.step-label{text-transform:none;letter-spacing:.08em;font-size:12px}.steps{font-size:12px}.steps span{flex:1}.steps i{flex:0 0 48px}.checkout-step[hidden],[hidden]{display:none!important}.checkout-plans label span{min-height:88px}.checkout-plans label small{margin-top:2px;color:var(--muted);font-size:12px;text-align:center}.checkout-plans input:focus-visible+span,.shipping-tabs input:focus-visible+span{outline:3px solid var(--cyan);outline-offset:2px}.store-confirmation{margin-top:10px;padding:11px 13px;display:flex;flex-direction:column;border:1px solid #8bd2b8;border-radius:10px;background:#e5f8ef;color:#126849;font-size:12px}.store-confirmation span{color:#38725e}.field-hint{color:var(--muted);font-size:11px;line-height:1.45}.field-error{min-height:0;color:#a33225;font-size:11px}.field-error:empty{display:none}.consent{font-size:13px;line-height:1.55}.consent input{width:20px;height:20px;min-height:20px}.order-summary{position:sticky;bottom:0;z-index:2;border:1px solid #e0e7e7;box-shadow:0 8px 25px rgba(4,30,42,.08)}.checkout-actions{display:flex;gap:10px}.checkout-actions .button{flex:1}.checkout-back{border:1px solid #c7d2d5;background:#fff;color:var(--ink)}.checkout-next,.checkout-submit{width:100%}.form-error{padding:13px 15px;border:1px solid #efb8af;font-size:13px;font-weight:700}.button-spinner{width:17px;height:17px;border:2px solid rgba(255,255,255,.45);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.faq summary span{width:26px;height:26px;position:relative;flex:0 0 auto;font-size:0}.faq summary span::before,.faq summary span::after{content:"";position:absolute;left:5px;right:5px;top:12px;height:2px;background:#0d86a9}.faq summary span::after{transform:rotate(90deg);transition:transform .2s}.faq details[open] summary span{transform:none}.faq details[open] summary span::after{transform:rotate(0)}

@media(max-width:819px){.site-header{padding-left:max(16px,env(safe-area-inset-left));padding-right:max(16px,env(safe-area-inset-right))}.menu-toggle{display:inline-flex;align-items:center;justify-content:center;gap:7px}.menu-toggle>span:first-child{width:17px;height:12px;border-top:2px solid;border-bottom:2px solid;position:relative}.menu-toggle>span:first-child::after{content:"";position:absolute;left:0;right:0;top:4px;border-top:2px solid}.menu-toggle[aria-expanded="true"]>span:first-child{border:0}.menu-toggle[aria-expanded="true"]>span:first-child::before,.menu-toggle[aria-expanded="true"]>span:first-child::after{content:"";position:absolute;left:0;right:0;top:5px;border-top:2px solid;transform:rotate(45deg)}.menu-toggle[aria-expanded="true"]>span:first-child::after{transform:rotate(-45deg)}.menu-label{font-size:12px}.site-header nav{display:none;position:absolute;left:max(10px,env(safe-area-inset-left));right:max(10px,env(safe-area-inset-right));top:calc(100% + 8px);padding:10px;flex-direction:column;gap:2px;border:1px solid rgba(255,255,255,.12);border-radius:18px;background:#0b2939;box-shadow:var(--shadow)}.site-header nav.open{display:flex}.site-header nav a{min-height:48px;padding:12px 14px;display:flex;align-items:center;border-radius:10px}.mobile-buy-link{display:flex!important;color:var(--cyan)!important}.nav-buy{display:none}.menu-open{overflow:hidden}.hero{min-height:0;height:auto;max-height:none;display:grid;grid-template-areas:"media" "content";grid-template-rows:minmax(320px,46vh) auto;background:var(--paper);color:var(--ink);overflow:visible}.hero-media{grid-area:media;position:relative;inset:auto;height:100%;object-position:center}.hero-overlay{display:none}.hero-content{grid-area:content;height:auto;justify-content:flex-start;padding:32px 20px 48px;background:var(--paper)}.hero-copy{color:var(--muted)}.hero h1 em{color:#0784a8}.hero-actions{width:100%}.hero-actions .button{min-height:52px}.button-ghost{border-color:#a7b6ba;color:var(--navy);background:#fff}.hero-proof{color:#5f7178}.image-note{grid-area:caption;position:relative;inset:auto;padding:9px 16px;margin:0;background:#e6edef;color:#53666e;font-size:12px}.truth-strip{margin-top:12px}.box-grid{grid-template-columns:repeat(2,1fr)}.usage ol{grid-template-columns:1fr}.swipe-hint{display:block}.table-wrap th:first-child{position:sticky;left:0;z-index:1;background:#fff}.table-wrap thead th:first-child{z-index:2}.plan{grid-template-columns:22px 1fr auto}.sticky-buy{left:max(10px,env(safe-area-inset-left));right:max(10px,env(safe-area-inset-right));bottom:max(9px,env(safe-area-inset-bottom));padding-bottom:calc(8px + env(safe-area-inset-bottom))}footer{padding-bottom:calc(112px + env(safe-area-inset-bottom))}.checkout{width:100%;max-width:none;max-height:100dvh;margin:auto 0 0;inset:auto 0 0;border-radius:22px 22px 0 0;padding-bottom:env(safe-area-inset-bottom)}.checkout-head{padding-left:max(20px,env(safe-area-inset-left));padding-right:max(74px,env(safe-area-inset-right));padding-top:26px}#checkout-form{padding-left:max(20px,env(safe-area-inset-left));padding-right:max(20px,env(safe-area-inset-right))}}
@media(max-width:479px){.hero-actions{flex-direction:column}.hero-actions .button{width:100%}.button-ghost{display:inline-flex}.box-grid{grid-template-columns:1fr 1fr}.box-grid article{min-height:190px;padding:18px}.checkout-plans{grid-template-columns:1fr}.checkout-plans label span{min-height:66px}.steps i{flex-basis:18px;margin-inline:5px}.checkout-actions{flex-direction:column-reverse}.checkout-actions .button{width:100%}}

/* RWD tokens: compact ≤479px; medium 480–819px; wide 820–1199px; full ≥1200px. */
:root{--touch-target:44px;--keyboard-inset:0px;--visual-viewport-height:100dvh}
html,body{overflow-x:hidden}img{max-width:100%;height:auto}input,select,textarea{font:inherit;font-size:max(16px,1em)}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--cyan);outline-offset:3px}.button:active{transform:scale(.98)}.button:disabled{opacity:1;filter:saturate(.55);cursor:not-allowed}
@media(hover:hover) and (pointer:fine){.button:hover{transform:translateY(-2px)}.button-primary:hover{background:#a83225}.plan:hover{border-color:var(--cyan);background:rgba(67,217,255,.12)}.site-header nav a:hover{color:#fff}.site-header nav a:hover{background:transparent}}
@media(hover:none),(pointer:coarse){.button,.plan{transition:none}}
@media(min-width:820px){.menu-toggle{display:none}.site-header{padding-left:max(24px,calc((100vw - 1240px)/2),env(safe-area-inset-left));padding-right:max(24px,calc((100vw - 1240px)/2),env(safe-area-inset-right))}.site-header nav{display:flex;position:static;flex-direction:row;padding:0;border:0;border-radius:0;background:transparent;box-shadow:none}.mobile-buy-link{display:none!important}.nav-buy{display:block;min-height:var(--touch-target)}.sticky-buy{display:none!important}.hero{min-height:520px;height:min(calc(100svh - 107px),860px);max-height:860px;display:block;background:var(--navy);color:#fff;overflow:hidden}.hero-media,.hero-overlay{position:absolute;inset:0;width:100%;height:100%}.hero-media{object-fit:cover;object-position:center}.hero-overlay{display:block}.hero-content{position:relative;height:100%;display:flex;justify-content:center;padding:58px max(24px,calc((100vw - 1240px)/2)) 88px;background:transparent}.image-note{position:absolute;right:max(18px,env(safe-area-inset-right));bottom:12px;max-width:min(460px,calc(100% - 36px));padding:6px 10px;background:rgba(3,16,24,.76);border-radius:8px;color:#fff;font-size:12px;line-height:1.45}.truth-strip{margin-top:-42px}.checkout{width:min(680px,calc(100% - 24px));max-width:none;margin:auto;border-radius:22px}.checkout-head{position:sticky;top:0;z-index:4;background:var(--navy);color:#fff}.dialog-close-form{position:sticky;top:0;z-index:5}.checkout-footer{position:static}}
@media(min-width:820px) and (max-width:1199px){.site-header nav{gap:clamp(14px,2.4vw,26px)}.site-header nav a{font-size:13px}.hero h1{font-size:clamp(52px,6.5vw,76px)}.buy-section{gap:clamp(32px,5vw,48px);padding-left:max(24px,env(safe-area-inset-left));padding-right:max(24px,env(safe-area-inset-right))}.section,.dark-section{padding-left:max(24px,env(safe-area-inset-left));padding-right:max(24px,env(safe-area-inset-right))}}
@media(min-width:480px) and (max-width:819px){.site-header{height:68px;padding-left:max(16px,env(safe-area-inset-left));padding-right:max(16px,env(safe-area-inset-right))}.site-header nav.open{display:flex;position:fixed;inset:0;z-index:3;padding:max(92px,calc(68px + env(safe-area-inset-top))) max(24px,env(safe-area-inset-right)) max(24px,env(safe-area-inset-bottom)) max(24px,env(safe-area-inset-left));gap:8px;border:0;border-radius:0;background:#071d2b;box-shadow:none}.site-header nav.open a{min-height:52px;padding:14px 16px;font-size:17px}.header-actions{position:relative;z-index:4}.menu-toggle{min-width:var(--touch-target);min-height:var(--touch-target)}.hero{grid-template-rows:min(48svh,340px) auto}.hero-media{object-position:56% center}.hero-content{padding:30px max(24px,env(safe-area-inset-right)) calc(44px + env(safe-area-inset-bottom)) max(24px,env(safe-area-inset-left))}.image-note{padding:10px max(24px,env(safe-area-inset-right)) 10px max(24px,env(safe-area-inset-left))}.hero h1{font-size:clamp(40px,8vw,58px);line-height:1.12;letter-spacing:-.035em}.hero-actions .button{min-width:0}.truth-strip{grid-template-columns:repeat(2,1fr);margin:0 16px}.truth-strip div:nth-child(2){border-right:0}.truth-strip div:nth-child(-n+2){border-bottom:1px solid var(--line)}.feature-cards{grid-template-columns:1fr}.feature-card{min-height:280px}.scenes{grid-template-columns:1fr}.scenes article:nth-child(odd){border-right:0}.spec-grid{grid-template-columns:1fr}.buy-section{grid-template-columns:1fr;gap:34px;padding:70px max(20px,env(safe-area-inset-right)) calc(112px + env(safe-area-inset-bottom)) max(20px,env(safe-area-inset-left))}.plans{order:-1}.footer-main{grid-template-columns:1fr 1fr}.footer-bottom{gap:12px}.sticky-buy{display:flex;left:max(10px,env(safe-area-inset-left));right:max(10px,env(safe-area-inset-right));bottom:max(9px,env(safe-area-inset-bottom));padding:10px 12px calc(10px + env(safe-area-inset-bottom));gap:10px}.sticky-buy .button{min-height:var(--touch-target);padding:10px 16px;gap:8px}.sticky-buy.dialog-open{display:none}footer{padding-bottom:calc(122px + env(safe-area-inset-bottom))}.checkout{width:calc(100% - 16px);max-width:none;max-height:calc(100dvh - 16px);margin:auto 8px 8px;border-radius:18px;padding-bottom:env(safe-area-inset-bottom)}.checkout-head{position:sticky;top:0;z-index:4;background:#fff;padding-top:calc(24px + env(safe-area-inset-top))}.dialog-close-form{position:sticky;top:0;z-index:5}.checkout-footer{position:sticky;bottom:var(--keyboard-inset);z-index:3;margin-inline:-20px;padding:10px max(20px,env(safe-area-inset-right)) calc(10px + env(safe-area-inset-bottom)) max(20px,env(safe-area-inset-left));background:#fff;border-top:1px solid var(--line);box-shadow:0 -10px 22px rgba(4,30,42,.08)}.order-summary{position:static;box-shadow:none}.checkout-security{display:none}.checkout-actions{margin-top:8px}.checkout-plans{grid-template-columns:repeat(3,1fr)}.checkout-plans label span{min-height:88px;padding:10px 6px}.checkout-plans label b{font-size:16px}.checkout-plans label small{font-size:12px}}
@media(min-width:480px) and (max-width:819px){.announcement{font-size:12px;line-height:1.35}.button-ghost{display:inline-flex}.field-grid{grid-template-columns:repeat(2,1fr)}.field-grid label.full{grid-column:1/-1}.shipping-tabs{grid-template-columns:repeat(2,1fr)}}
@media(max-width:479px){.announcement{min-height:40px;padding:7px max(14px,env(safe-area-inset-right)) 7px max(14px,env(safe-area-inset-left));font-size:12px;line-height:1.35;letter-spacing:.015em}.site-header{height:62px;padding-left:max(12px,env(safe-area-inset-left));padding-right:max(12px,env(safe-area-inset-right))}.brand{gap:7px;font-size:14px;letter-spacing:.075em}.brand-mark{width:30px;height:30px}.site-header nav.open{display:flex;position:fixed;inset:0;z-index:3;padding:max(82px,calc(62px + env(safe-area-inset-top))) max(20px,env(safe-area-inset-right)) max(20px,env(safe-area-inset-bottom)) max(20px,env(safe-area-inset-left));gap:8px;border:0;border-radius:0;background:#071d2b;box-shadow:none}.site-header nav.open a{min-height:52px;padding:14px 16px;font-size:17px}.header-actions{position:relative;z-index:4}.menu-toggle{min-width:var(--touch-target);min-height:var(--touch-target);padding:8px}.menu-label{font-size:11px}.hero{grid-template-rows:min(48svh,340px) auto}.hero-media{object-position:58% center}.hero-content{padding:26px max(16px,env(safe-area-inset-right)) calc(38px + env(safe-area-inset-bottom)) max(16px,env(safe-area-inset-left))}.image-note{padding:9px max(16px,env(safe-area-inset-right)) 9px max(16px,env(safe-area-inset-left));font-size:12px;line-height:1.45}.hero h1{font-size:min(40px,10vw);line-height:1.16;letter-spacing:-.03em}.hero-copy{margin:18px 0 24px;font-size:16px}.hero-actions{flex-direction:column;flex-wrap:nowrap;width:100%}.hero-actions .button{width:100%;min-height:52px}.hero-proof{gap:8px 14px;margin-top:18px;font-size:12px}.truth-strip{grid-template-columns:repeat(2,1fr);margin:-16px 12px 0;border-radius:16px}.truth-strip div{padding:16px 10px}.truth-strip div:nth-child(2){border-right:0}.truth-strip div:nth-child(-n+2){border-bottom:1px solid var(--line)}.truth-strip strong{font-size:21px}.section{padding:76px max(16px,env(safe-area-inset-right)) 76px max(16px,env(safe-area-inset-left))}.section-heading{margin-bottom:32px}.section-heading h2{font-size:clamp(32px,9vw,40px);line-height:1.15;letter-spacing:-.035em}.section-heading>p:last-child{margin-top:16px;font-size:16px}.feature-cards{grid-template-columns:1fr}.feature-card{min-height:0;padding:24px}.feature-icon{right:4px;top:18px;font-size:94px}.feature-card h3{font-size:26px}.dark-section{padding:76px max(16px,env(safe-area-inset-right)) 76px max(16px,env(safe-area-inset-left))}.scenes{grid-template-columns:1fr}.scenes article{min-height:0;padding:24px 4px;gap:18px}.scenes article:nth-child(odd){border-right:0}.table-wrap{border-radius:16px}.table-wrap table{min-width:520px}.table-wrap th,.table-wrap td{padding:14px 13px}.table-wrap th:first-child{position:sticky;left:0;z-index:1;background:#fff}.table-wrap thead th:first-child{z-index:2}.spec-grid{grid-template-columns:1fr}.spec-grid div{grid-template-columns:1fr;gap:4px;padding:16px 0}.spec-grid div:nth-child(odd){border-right:0}.buy-section{grid-template-columns:1fr;gap:30px;padding:68px max(16px,env(safe-area-inset-right)) calc(120px + env(safe-area-inset-bottom)) max(16px,env(safe-area-inset-left))}.plans{order:-1}.plan{min-height:96px;padding:18px 16px;grid-template-columns:20px minmax(0,1fr);gap:10px}.plan-price{grid-column:2;text-align:left;flex-direction:row;align-items:baseline;gap:8px}.plan-price b{font-size:22px}.plan-main small,.plan-main em{font-size:12px}.popular-badge{left:14px;top:-12px}.footer-main{grid-template-columns:1fr;gap:30px;padding-bottom:36px}.footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}.sticky-buy{display:flex;left:max(8px,env(safe-area-inset-left));right:max(8px,env(safe-area-inset-right));bottom:0;padding:10px 10px calc(10px + env(safe-area-inset-bottom));gap:8px}.sticky-buy>div{min-width:0}.sticky-buy strong{font-size:16px}.sticky-buy small{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sticky-buy .button{min-width:104px;min-height:var(--touch-target);padding:10px 14px;gap:4px}.sticky-buy.dialog-open{display:none}footer{padding-bottom:calc(116px + env(safe-area-inset-bottom))}.answer-block{margin:0 16px 70px}.checkout{width:100%;height:100dvh;max-height:100dvh;margin:0;border-radius:0;padding-bottom:0}.checkout-head{position:sticky;top:0;z-index:4;padding:calc(20px + env(safe-area-inset-top)) max(72px,env(safe-area-inset-right)) 16px max(16px,env(safe-area-inset-left));background:#fff}.dialog-close-form{position:sticky;top:0;z-index:5}.dialog-close{width:44px;height:44px;top:max(10px,env(safe-area-inset-top));right:max(10px,env(safe-area-inset-right))}#checkout-form{padding-bottom:230px}.checkout-footer{position:sticky;bottom:0;z-index:3;margin-inline:-16px;padding:9px max(16px,env(safe-area-inset-right)) calc(9px + env(safe-area-inset-bottom)) max(16px,env(safe-area-inset-left));background:#fff;border-top:1px solid var(--line);box-shadow:0 -10px 24px rgba(4,30,42,.1)}.order-summary{position:static;margin:0;padding:9px 0;display:grid;grid-template-columns:1fr 1fr;gap:2px;border:0;box-shadow:none}.order-summary>div{display:flex;justify-content:space-between;gap:8px;font-size:12px}.order-summary .total{grid-column:1/-1;padding-top:4px;border-top:1px solid var(--line)}.checkout-actions{display:flex;flex-direction:column-reverse;gap:7px;margin-top:6px}.checkout-actions .button{width:100%;min-height:48px}.checkout-security{display:none}.checkout-plans{grid-template-columns:1fr}.checkout-plans label span{min-height:0;padding:12px 14px;display:grid;grid-template-columns:1fr auto;align-items:center;text-align:left}.checkout-plans label b{justify-self:end;font-size:18px}.checkout-plans label small{grid-column:1/-1;text-align:left;font-size:11px}.shipping-tabs{grid-template-columns:1fr 1fr}.shipping-tabs label span{min-height:70px;padding:12px 8px}.field-grid{grid-template-columns:1fr}.consent{font-size:13px}.consent input{width:20px;height:20px}.store-button{min-height:64px}.store-confirmation{font-size:12px}}
@media(max-width:819px){.header-actions{display:flex;align-items:center;gap:6px}.nav-buy{display:inline-flex;align-items:center;justify-content:center;min-height:var(--touch-target);padding:8px 12px;font-size:12px;white-space:nowrap}.site-header nav.open~.header-actions .nav-buy{visibility:hidden}.checkout[open]~.sticky-buy{display:none}}
@media(max-width:479px){.checkout{height:var(--visual-viewport-height);max-height:var(--visual-viewport-height);bottom:var(--keyboard-inset)}.checkout-footer{position:fixed;left:0;right:0;bottom:var(--keyboard-inset);margin:0}.checkout-footer:has(#form-error:not([hidden])) .order-summary>div:not(.total){display:none}.checkout-footer:has(#form-error:not([hidden])) .order-summary .total{grid-column:1/-1;margin:0;padding-top:4px}}
@media(max-height:500px) and (orientation:landscape){.announcement{min-height:28px;padding-block:3px}.site-header{height:52px}.hero{grid-template-rows:min(44svh,250px) auto auto}.hero-content{padding-top:18px;padding-bottom:22px}.hero h1{font-size:34px}.checkout{height:100dvh;max-height:100dvh}.checkout-head{padding-top:max(14px,env(safe-area-inset-top));padding-bottom:10px}.checkout-head h2{font-size:24px}.steps{margin-top:8px}.checkout-footer{position:sticky;bottom:0;z-index:3;margin-inline:-20px;padding:8px max(20px,env(safe-area-inset-right)) calc(8px + env(safe-area-inset-bottom)) max(20px,env(safe-area-inset-left));background:#fff;border-top:1px solid var(--line);box-shadow:0 -8px 18px rgba(4,30,42,.08)}.order-summary{position:static;margin:0;padding:6px 0;border:0;box-shadow:none}.checkout-security{display:none}.checkout-actions{margin-top:6px}.dialog-close-form{position:sticky;top:0;z-index:6}}

/* Safe-area overrides apply after the compact and landscape height rules. */
.site-header{height:calc(72px + env(safe-area-inset-top));padding-top:env(safe-area-inset-top)}
@media(min-width:480px) and (max-width:819px){.site-header{height:calc(68px + env(safe-area-inset-top))}}
@media(max-width:479px){.site-header{height:calc(62px + env(safe-area-inset-top))}}
@media(max-height:500px) and (orientation:landscape){.site-header{height:calc(52px + env(safe-area-inset-top))}}

/* Keep the sticky dialog header readable at every viewport width. */
.checkout-head{background:var(--navy);color:#fff}
.dialog-close{width:44px;height:44px}
@media(max-width:479px) and (orientation:portrait){.hero{grid-template-rows:min(48svh,340px) auto}.hero-content{padding-top:16px;padding-bottom:22px}.hero h1{font-size:min(36px,9.5vw);line-height:1.12}.hero-copy{margin:10px 0 14px;line-height:1.45}.hero-proof{margin-top:10px}.image-note{padding-block:6px;font-size:11px}}
@media(min-width:1200px){.site-header nav{gap:32px}.feature-cards{grid-template-columns:repeat(3,1fr)}.buy-section{gap:90px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}
.usage ol{grid-template-columns:1fr}

/* Desktop hero keeps the product image as a backdrop; staging caption row removed. */
@media(min-width:820px){.hero{display:grid;grid-template-rows:minmax(0,1fr);grid-template-areas:"content"}.hero-content{grid-area:content;width:100%;height:auto;min-height:0}.image-note{display:none}}
.announcement.closed{background:#fff0eb;color:#8e3328}.announcement.closed .announcement-dot{background:var(--coral);box-shadow:0 0 0 5px rgba(201,62,44,.14)}
@media(max-width:819px){.hero{display:grid;grid-template-rows:min(48svh,340px) auto;grid-template-areas:"media" "content";min-height:0;height:auto}.hero-media{position:static;inset:auto;grid-area:media;width:100%;height:100%;object-fit:cover}.hero-overlay{display:none}.hero-content{grid-area:content;height:auto;justify-content:flex-start;background:var(--navy)}.image-note{display:none}}

/* Ice-blue staging art direction: copy stays in the generated image's negative space. */
@media(min-width:820px){.hero{background:#eaf5fd;color:var(--navy)}.hero-media{object-position:center}.hero-overlay{background:linear-gradient(90deg,rgba(239,248,255,.99) 0%,rgba(239,248,255,.94) 34%,rgba(239,248,255,.42) 57%,rgba(239,248,255,0) 76%),linear-gradient(0deg,rgba(213,233,247,.32),transparent 38%)}.hero-content{color:var(--navy)}.hero .eyebrow{color:#08789c}.hero h1{max-width:650px;text-shadow:none}.hero h1 em{color:#087fa7}.hero-copy{max-width:540px;color:#405e6c}.hero .button-ghost{border-color:rgba(7,29,43,.22);background:rgba(255,255,255,.55);color:var(--navy);backdrop-filter:blur(10px)}.hero-proof{color:#4d6976}.hero-proof i{color:#0784a8}.image-note{background:#dcebf5;color:#49616e;text-align:right}}
@media(min-width:820px){.hero-media{object-fit:contain;object-position:right center;background:#eaf5fd}}
@media(max-width:819px){.hero{background:#edf7fd;color:var(--navy)}.hero-media{object-position:58% center}.hero-content{background:linear-gradient(180deg,#f5fbff 0%,#eaf5fc 100%);color:var(--navy)}.hero .eyebrow{color:#08789c}.hero-copy{color:#486672}.hero .button-ghost{border-color:#afc6d2;background:rgba(255,255,255,.72);color:var(--navy)}.hero-proof{color:#4f6975}.image-note{background:#dcebf5;color:#4a626e}}
/* Medium and landscape viewports are wider than the 3:2 staging image. Keep the whole
   product visible instead of vertically cropping the fan head or charging base. */
@media(min-width:480px) and (max-width:819px){.hero-media{object-fit:contain;object-position:right center;background:#edf7fd}}
@media(min-width:480px) and (max-width:819px) and (max-height:500px) and (orientation:landscape){.hero{grid-template-rows:min(260px,70svh)}}

/* The narrow phone breakpoint also keeps the complete staging product visible. */
@media(max-width:479px){.hero-media{object-fit:contain;object-position:right center;background:#edf7fd}}

/* Keep the staging disclosure in normal flow; the feature summary must never cover it. */
@media(min-width:820px){.truth-strip{margin-top:0}}
@media(max-width:479px){.truth-strip{margin-top:0}}

/* The horizontally scrollable comparison remains operable and visible to keyboard users. */
.table-wrap:focus-visible{outline:3px solid #0784a8;outline-offset:4px}

/* At 320px and below, keep the brand and named controls on separate rows so
   larger text cannot compress or overlap the purchase and menu targets. */
@media(max-width:359px){.site-header{height:auto;min-height:0;padding-top:calc(6px + env(safe-area-inset-top));padding-bottom:7px;flex-wrap:wrap;row-gap:4px}.brand{flex:1 0 100%;min-width:0;max-width:100%}.brand>span:last-child{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.header-actions{width:100%;margin-left:auto;justify-content:flex-end}.menu-label{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}.nav-buy{padding-inline:12px}}

/* Reserve the actual fixed checkout footer height so focus and the last field
   remain above it when the footer grows with an error or keyboard. */
@media(max-width:479px){#checkout-form{padding-bottom:calc(var(--checkout-footer-height,230px) + 16px)}}
/* Short portrait phones keep only the actionable total in the fixed area;
   plan and delivery details remain available in the scrollable form. */
@media(max-width:479px) and (max-height:600px) and (orientation:portrait){.checkout-footer{padding-top:6px;padding-bottom:calc(6px + env(safe-area-inset-bottom))}.order-summary{display:flex;align-items:center;padding:3px 0}.order-summary>div:not(.total){display:none}.order-summary .total{display:flex;flex:1;justify-content:space-between;grid-column:auto;margin:0;padding:0;border:0}.order-summary strong{font-size:20px}.checkout-actions{margin-top:5px}}

/* Short portrait phones give the primary Hero action room above the fold;
   the complete staging product remains visible through the mobile contain rule. */
@media(max-width:479px) and (max-height:700px) and (orientation:portrait){.hero{grid-template-rows:min(30svh,200px) auto}}

/* Make the comparison's evidence boundary explicit before the table begins. */
.compare-status{margin:-18px 0 18px;padding:12px 15px;border-left:4px solid #0784a8;border-radius:0 10px 10px 0;background:#eaf5f8;color:#45616b;font-size:13px}.compare-status strong{color:#075a75}

/* Landscape phones have enough width for task-first composition: copy and CTA
   stay beside the complete product, while the staging disclosure remains below. */
@media(min-width:480px) and (max-width:819px) and (max-height:500px) and (orientation:landscape){.hero{grid-template-columns:minmax(0,1fr) minmax(270px,48%);grid-template-rows:minmax(230px,calc(100svh - 112px));grid-template-areas:"content media"}.hero-content{padding:18px 24px;justify-content:center}.hero h1{font-size:32px;line-height:1.05}.hero-copy{margin:8px 0 10px;font-size:15px;line-height:1.5}.hero-actions .button{min-height:46px;padding:10px 14px;gap:10px}.hero-proof{display:none}.image-note{display:none}}

/* A landscape phone cannot keep the full checkout summary sticky without hiding
   the active delivery task. Keep the amount and primary action fixed; details
   remain in the scrollable step. */
@media(min-width:480px) and (max-width:819px) and (max-height:500px) and (orientation:landscape){.checkout-head{padding:12px max(72px,env(safe-area-inset-right)) 9px max(20px,env(safe-area-inset-left))}.checkout-head h2{font-size:22px}.step-label{margin:0;font-size:12px}.steps{margin-top:5px;font-size:12px}.steps i{flex-basis:24px;margin-inline:5px}#checkout-form{padding-top:16px;padding-bottom:calc(var(--checkout-footer-height,112px) + 20px)}.checkout-plans label span{min-height:64px;padding:7px 5px}.shipping-tabs label>span{min-height:58px;padding:8px 10px}.checkout-footer{padding:6px max(20px,env(safe-area-inset-right)) calc(6px + env(safe-area-inset-bottom)) max(20px,env(safe-area-inset-left))}.order-summary{padding:2px 0}.order-summary>div:not(.total){display:none}.order-summary .total{margin:0;padding:0;border:0;font-size:13px}.order-summary strong{font-size:20px}.checkout-actions{margin-top:4px}.checkout-actions .button{min-height:44px;padding-block:8px}.form-error{margin:6px 0;padding:8px 10px;font-size:12px}}

/* Type scale: one system for storefront copy (uiux.md body ≥16px / aux ≥13px) */
.image-note{display:none!important}
body{font-size:var(--text-md);line-height:var(--leading-body)}
.announcement{font-size:var(--text-sm);line-height:1.4}
.site-header nav a,.nav-buy{font-size:var(--text-sm)}
.brand{font-size:17px}
.eyebrow{font-size:var(--text-sm)}
.hero-copy{font-size:clamp(17px,2.1vw,21px);line-height:var(--leading-body)}
.hero-proof{font-size:var(--text-md);line-height:var(--leading-tight)}
.hero-buy b{font-size:17px}
.hero-buy small,.sticky-buy small,.menu-label{font-size:var(--text-xs)}
.truth-strip strong{font-size:28px}
.truth-strip span{font-size:var(--text-md);line-height:var(--leading-tight)}
.claim-note,.compare-status,.swipe-hint{font-size:var(--text-sm);line-height:var(--leading-body)}
.feature-index{font-size:var(--text-sm)}
.feature-card h3{font-size:32px}
.feature-card p{font-size:var(--text-lg);line-height:var(--leading-body)}
.section-heading>p:last-child{font-size:var(--text-lg);line-height:var(--leading-body)}
.scenes p{font-size:var(--text-md);line-height:var(--leading-tight)}
.scenes small,.box-grid p,.usage p{font-size:var(--text-sm);line-height:var(--leading-body)}
thead th,.spec-grid dt{font-size:var(--text-sm)}
tbody th,td,.spec-grid dd{font-size:var(--text-md);line-height:var(--leading-tight)}
.buy-copy>p:not(.eyebrow){font-size:var(--text-lg);line-height:var(--leading-body)}
.buy-copy li,.plan-main{font-size:var(--text-md)}
.buy-copy small,.plan-main small,.plan-main em,.plan-price del,.secure-line{font-size:var(--text-sm);line-height:var(--leading-tight)}
.plan-price{font-size:22px}
.popular-badge{font-size:var(--text-xs)}
.faq summary{font-size:19px}
.faq details p,.answer-block>div,.answer-block p{font-size:var(--text-lg);line-height:1.7}
.answer-block h2{font-size:22px}
.footer-main h2{font-size:var(--text-sm)}
.footer-main p,.footer-main a{font-size:var(--text-sm);line-height:var(--leading-tight)}
.footer-bottom,.step-label,.steps,.field-hint,.field-error,.checkout-security,.checkout-plans label small,.shipping-tabs small,.store-button small{font-size:var(--text-xs)}
.checkout-plans label span,.field-grid span,.select-label>span,.order-summary>div,.sticky-buy span,.store-button em,.store-confirmation{font-size:var(--text-sm)}
.consent,.form-error{font-size:var(--text-sm);line-height:var(--leading-body)}
@media(max-width:819px){
  .announcement,.nav-buy,.eyebrow{font-size:var(--text-sm)}
  .hero-copy{font-size:var(--text-md);line-height:var(--leading-body)}
  .hero-proof,.truth-strip span{font-size:var(--text-sm)}
  .truth-strip strong{font-size:24px}
  .section-heading>p:last-child,.feature-card p,.faq details p,.answer-block>div,.answer-block p,.buy-copy>p:not(.eyebrow){font-size:var(--text-md);line-height:var(--leading-body)}
  .feature-card h3{font-size:28px}
  .feature-index{font-size:var(--text-sm)}
  .scenes p{font-size:var(--text-md)}
  .scenes small,.plan-main small,.plan-main em,.sticky-buy span,.sticky-buy small,.order-summary>div,.consent,.form-error{font-size:var(--text-sm)}
}
@media(max-width:479px){
  .announcement,.brand,.footer-main p,.footer-main a{font-size:var(--text-sm)}
  .menu-label,.footer-bottom{font-size:var(--text-xs)}
  .hero-copy{font-size:var(--text-md);line-height:var(--leading-body)}
  .hero-proof,.truth-strip span{font-size:var(--text-sm)}
  .truth-strip strong{font-size:22px}
  .feature-card h3{font-size:26px}
  .feature-card p{font-size:var(--text-md);line-height:var(--leading-body)}
}
@media(min-width:480px) and (max-width:819px) and (max-height:500px) and (orientation:landscape){
  .hero-copy{font-size:var(--text-sm);line-height:var(--leading-tight)}
  .form-error{font-size:var(--text-xs)}
}

/* Usage scenes: let the photography carry the context, with copy anchored to a readable lower edge. */
.scenes .scene-card{position:relative;min-height:360px;padding:0;overflow:hidden;border:1px solid rgba(157,220,231,.18);background:#092333;border-radius:2px}
.scenes .scene-card:nth-child(odd){border-right:1px solid rgba(157,220,231,.18)}
.scene-card::after{content:"";position:absolute;inset:34% 0 0;z-index:0;background:linear-gradient(180deg,transparent 0%,rgba(3,20,31,.2) 27%,rgba(3,20,31,.94) 100%)}
.scene-image{position:absolute;inset:0;width:100%;height:100%;z-index:0;display:block;object-fit:cover;object-position:center;filter:saturate(.9) contrast(1.03)}
.scene-text-only{background:linear-gradient(145deg,#0c3040 0%,#092333 58%,#071b29 100%)}
.scene-text-only::after{display:none}
.scene-copy{position:relative;z-index:1;min-height:360px;display:flex;flex-direction:column;justify-content:flex-end;padding:28px}
.scene-copy p{margin:0 0 8px;color:#9fe3eb;font-family:var(--font-utility);font-size:12px;letter-spacing:.12em}
.scene-copy h3{margin:0;max-width:13em;color:#fff;font-size:clamp(23px,2.5vw,31px);line-height:1.16;text-wrap:balance}
.scene-copy small{display:block;max-width:28em;margin-top:12px;color:#d2e2e5;font-size:14px;line-height:1.55}
@media(max-width:819px){.scenes .scene-card,.scene-copy{min-height:320px}.scene-copy{padding:23px 20px}.scene-copy h3{font-size:27px}}
@media(min-width:820px) and (max-width:1199px){
  .site-header nav a{font-size:var(--text-sm)}
}
:where(.quote-status){margin:0 0 10px;color:var(--muted);font-size:13px;text-align:center}

/* UIUX-R09: keep the image authenticity disclosure visible beside the Hero. */
.image-note{display:block!important;position:absolute;right:max(24px,calc((100vw - 1240px)/2));bottom:22px;z-index:4;max-width:min(430px,38vw);margin:0;padding:10px 14px;border:1px solid rgba(7,29,43,.12);border-radius:10px;background:rgba(220,235,245,.94);color:#385663;font-size:12px;line-height:1.5;text-align:right;box-shadow:0 6px 18px rgba(7,29,43,.08)}
@media(max-width:819px){.hero{grid-template-areas:"media" "content";grid-template-rows:min(48svh,340px) auto}.image-note{top:10px;right:max(16px,env(safe-area-inset-right));left:max(16px,env(safe-area-inset-left));bottom:auto;max-width:none;border:0;border-radius:10px;padding:8px 12px;background:rgba(220,235,245,.94);color:#385663;text-align:left;box-shadow:0 6px 18px rgba(7,29,43,.08)}}
@media(max-width:479px) and (max-height:700px) and (orientation:portrait){.hero{grid-template-rows:min(30svh,200px) auto}.hero-content{padding-top:14px;padding-bottom:18px}.hero-copy{margin:8px 0 12px}.hero-actions{gap:8px}.hero-slider{min-height:0}.hero-slider-track{aspect-ratio:auto;height:100%}.image-note{font-size:11px;padding-block:6px}}
@media(min-width:480px) and (max-width:819px) and (max-height:500px) and (orientation:landscape){.hero{grid-template-areas:"content media";grid-template-rows:minmax(230px,calc(100svh - 112px))}.hero-slider{min-height:0}.hero-slider-track{aspect-ratio:auto;height:100%}.image-note{position:absolute;left:auto;right:10px;bottom:8px;max-width:min(46%,360px);padding:7px 10px;font-size:11px;text-align:right}}
@media(min-width:480px) and (max-width:819px) and (max-height:500px) and (orientation:landscape){.checkout:has(.field-error:not(:empty)) .quote-status{display:none}}

/* UIUX-R11: keyboard-sized carousel controls and a persistent pause state. */
.hero-slider-btn{width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;font-size:28px;line-height:1}
.hero-slider-controls{position:absolute;left:50%;bottom:12px;z-index:3;display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:8px;transform:translateX(-50%);max-width:calc(100% - 16px);box-sizing:border-box;padding:3px 6px;border-radius:12px;background:rgba(3,16,24,.48);backdrop-filter:blur(8px)}
.hero-slider-dots{position:static;display:flex;gap:2px;transform:none}
.hero-slider-dot{width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;background:transparent}
.hero-slider-dot span{display:block;width:8px;height:8px;border-radius:99px;background:rgba(255,255,255,.58)}
.hero-slider-dot.is-active span{background:#fff;transform:scale(1.2)}
.hero-slider-toggle{min-width:64px;min-height:44px;padding:8px 10px;border:1px solid rgba(255,255,255,.48);border-radius:8px;background:rgba(255,255,255,.14);color:#fff;font:inherit;font-size:12px;cursor:pointer}
.hero-slider-status{min-width:76px;color:#fff;font-size:12px;white-space:nowrap;text-align:center}
@media(max-width:819px){.hero-slider-controls{bottom:8px;max-width:calc(100% - 20px);gap:3px;padding:2px 4px}.hero-slider-toggle{min-width:56px}.hero-slider-status{min-width:66px;font-size:11px}.hero-slider-btn{width:44px;height:44px}}

/* UIUX-R18: essential media disclosure and carousel status stay readable. */
.image-note,.hero-slider-status{font-size:13px}
.field-hint,.field-error,.checkout-security,.shipping-tabs small,.checkout-plans label small,.plan-main small,.store-button small{font-size:13px}
.hero-media.is-failed{display:none!important}


/* UIUX-R24／R34／R38: environment, privacy, connectivity, submit timing */
.announcement{flex-wrap:wrap;gap:6px 10px}
.announcement #sales-announcement{min-width:0;overflow-wrap:anywhere}
.env-badge{display:inline-flex;align-items:center;max-width:min(100%,12rem);margin:0 0 0 6px;padding:1px 7px;border-radius:99px;background:rgba(232,244,248,.95);color:#0a5f73;font-size:11px;line-height:1.25;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;vertical-align:middle}
@media(max-width:479px){.announcement{flex-wrap:wrap;gap:4px 8px;align-items:center}.announcement #sales-announcement{flex:1 1 auto;min-width:0}}
.connectivity-banner{margin:0;padding:8px 16px;font-size:13px;line-height:1.45;text-align:center;background:#fff4d6;color:#76520a;border-bottom:1px solid #efd7a0}
.privacy-inline-note{margin:0 0 14px;padding:10px 12px;border-radius:10px;background:#f2f7f8;color:#4f6269;font-size:13px;line-height:1.5}
.privacy-inline-note a{color:#067897}
.checkout-submit-note{margin:8px 0 0;text-align:center;color:#5d7178;font-size:13px;line-height:1.45}
@media(max-width:479px) and (orientation:portrait){.image-note{font-size:13px!important}}
@media(max-width:479px) and (max-height:700px) and (orientation:portrait){.image-note{font-size:13px!important}}
@media(min-width:480px) and (max-width:819px) and (max-height:500px) and (orientation:landscape){.image-note{font-size:13px!important}}
@media(max-width:819px){.hero-slider-status{font-size:13px!important}}

/* clip hero slider overflow on narrow phones */
.hero{overflow-x:hidden}
@media(max-width:359px){.hero-slider-status{min-width:0;max-width:72px;overflow:hidden;text-overflow:ellipsis}.hero-slider-toggle{min-width:48px;padding-inline:6px}}


/* Stage preview: data-status short list replaces empty comparison table */
.data-status-list{display:grid;gap:12px;margin:0 0 24px}
.data-status-item{padding:16px 18px;border:1px solid var(--line);border-radius:14px;background:#fff;display:grid;gap:4px}
.data-status-item span{font-size:13px;font-weight:800;letter-spacing:.04em}
.data-status-item.confirmed span{color:#08744d}
.data-status-item.pending span{color:#8a5a00}
.data-status-item b{font-size:16px}
.data-status-item small{color:var(--muted);font-size:13px;line-height:1.5}
.price-reference-note{margin:0 0 10px;padding:10px 12px;border-radius:10px;background:#fff4d6;color:#76520a;font-size:13px;line-height:1.45}
.storefront-status{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:center;margin:0;padding:10px 16px;background:#e8f4f8;color:#0a5f73;font-size:13px;line-height:1.45;text-align:center}
.storefront-status[hidden]{display:none!important}
.storefront-status-retry{min-height:40px;padding:8px 12px;border:0;border-radius:999px;background:var(--navy);color:#fff;font:inherit;font-weight:750;cursor:pointer}
#closed-preview-actions{display:contents}
#closed-preview-actions[hidden]{display:none!important}
.checkout-review{margin:14px 0 18px;padding:14px 16px;border:1px solid var(--line);border-radius:12px;background:#f7faf9}.checkout-review>div{display:flex;justify-content:space-between;gap:14px;padding:5px 0;font-size:13px}.checkout-review>div span{color:var(--muted)}.checkout-review>div b{text-align:right}.checkout-review-total{margin-top:8px;padding-top:10px!important;border-top:1px solid #d3dddd;font-size:15px!important}.checkout-review-total strong{color:#e94c36;font-size:22px}.checkout-review-policy{color:var(--muted);font-size:12px;line-height:1.6}
.invoice-fields{margin-top:14px}.invoice-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.invoice-options label{position:relative}.invoice-options input{position:absolute;opacity:0;pointer-events:none}.invoice-options span{display:flex;min-height:52px;flex-direction:column;justify-content:center;padding:10px 12px;border:1px solid var(--line);border-radius:8px;background:#fff;font-weight:700;cursor:pointer}.invoice-options small{margin-top:2px;color:var(--muted);font-size:11px;font-weight:500}.invoice-options input:checked+span{border-color:#08a9c5;background:#e2f5f7;box-shadow:0 0 0 1px #08a9c5}.invoice-options input:focus-visible+span{outline:3px solid rgba(8,169,197,.25);outline-offset:2px}.invoice-conditional{margin-top:12px}
@media(max-width:479px){.invoice-options{grid-template-columns:1fr}}

/* Hero art direction: give the concept preview an editorial product-system feel.
   The status and concept labels stay explicit so visual polish never implies
   that staging imagery or planned features are shipping facts. */
.hero{isolation:isolate;background:#e9f5fb}
.hero::before{content:"";position:absolute;inset:0;z-index:1;pointer-events:none;background:radial-gradient(circle at 77% 42%,rgba(67,217,255,.24) 0 1px,transparent 2px),radial-gradient(circle at 77% 42%,transparent 0 180px,rgba(7,29,43,.08) 181px 182px,transparent 183px),linear-gradient(135deg,rgba(255,255,255,.62),transparent 45%);background-size:28px 28px,auto,auto;opacity:.8}
.hero-content{max-width:1240px;width:100%;padding-top:72px;padding-bottom:104px}
.hero-content>*{position:relative;z-index:2}
.hero-intro-line{display:flex;align-items:center;gap:11px;margin:0 0 22px;color:#5b7b87;font-size:11px;font-weight:850;letter-spacing:.16em}
.hero-intro-line i{display:block;width:38px;height:1px;background:#9ab9c5}
.hero-intro-line span:last-child{color:#0a7d9b}
.hero-product-rail{position:absolute;right:max(24px,calc((100vw - 1240px)/2));top:50%;z-index:3;display:flex;flex-direction:column;align-items:flex-end;gap:3px;transform:translateY(-50%);color:rgba(7,29,43,.52);font-size:10px;letter-spacing:.16em;writing-mode:vertical-rl;text-orientation:mixed}
.hero-product-rail b{margin:14px 0;color:#087fa7;font-size:22px;letter-spacing:.02em}
.hero-product-rail small{font-size:9px;letter-spacing:.2em}
.hero h1{max-width:560px;font-size:clamp(54px,6.5vw,88px);line-height:1.02;letter-spacing:-.07em}
.hero-copy{max-width:500px;margin:25px 0 24px;font-size:clamp(17px,1.7vw,20px);line-height:1.72}
.hero-concept-grid{display:grid;grid-template-columns:repeat(3,minmax(92px,124px));gap:0;margin:0 0 28px;border-top:1px solid rgba(7,29,43,.17);border-bottom:1px solid rgba(7,29,43,.17)}
.hero-concept-grid span{display:grid;grid-template-columns:auto 1fr;column-gap:8px;padding:10px 13px 10px 0;border-right:1px solid rgba(7,29,43,.13)}
.hero-concept-grid span+span{padding-left:13px}.hero-concept-grid span:last-child{border-right:0}
.hero-concept-grid b{grid-row:1 / span 2;color:#0784a8;font-size:11px;letter-spacing:.08em}.hero-concept-grid strong{font-size:15px;line-height:1.2}.hero-concept-grid small{color:#65808a;font-size:11px;line-height:1.3}
.hero-actions{gap:10px}.hero-buy{min-width:208px;justify-content:space-between;border-radius:12px;box-shadow:0 14px 28px rgba(201,62,44,.2)}.hero .button-ghost{border-radius:12px}
.hero-proof{gap:0;margin-top:24px;padding-top:14px;border-top:1px solid rgba(7,29,43,.14);font-size:13px}.hero-proof span{display:inline-flex;align-items:center;gap:6px;padding-right:17px;margin-right:17px;border-right:1px solid rgba(7,29,43,.14)}.hero-proof span:last-child{padding-right:0;margin-right:0;border-right:0}
.image-note{display:block!important;right:max(24px,calc((100vw - 1240px)/2));bottom:22px;max-width:390px;padding:12px 15px;border:1px solid rgba(7,29,43,.13);border-radius:12px;background:rgba(235,247,253,.92);color:#46636e;box-shadow:0 12px 26px rgba(7,29,43,.08);text-align:left}
.image-note::before{content:"素材狀態  /  ";color:#087fa7;font-size:10px;font-weight:850;letter-spacing:.08em}
@media(min-width:820px){.hero-content{align-items:flex-start}.hero-content .eyebrow,.hero-content h1,.hero-content .hero-copy,.hero-content .hero-concept-grid,.hero-content .hero-actions,.hero-content .hero-proof{width:min(58%,620px)}.hero-content .eyebrow{margin-bottom:16px}.hero-overlay{background:linear-gradient(90deg,rgba(239,248,255,.995) 0%,rgba(239,248,255,.95) 34%,rgba(239,248,255,.48) 58%,rgba(239,248,255,0) 78%),linear-gradient(0deg,rgba(213,233,247,.35),transparent 40%)}}
/* Keep the hero headline as one natural text flow; never force a full sentence onto one line. */
@media(min-width:820px){.hero-content h1{width:min(72%,760px);max-width:760px;white-space:normal}}
@media(max-width:819px){.hero::before{opacity:.45;background-size:22px 22px,auto,auto}.hero-product-rail{right:14px;top:31%;font-size:9px}.hero-product-rail b{margin:10px 0;font-size:18px}.hero-intro-line{margin-bottom:15px}.hero-content{padding-top:30px;padding-bottom:52px}.hero h1{max-width:none;font-size:clamp(43px,11vw,64px);line-height:1.08}.hero-copy{margin:17px 0 21px;font-size:17px;line-height:1.62}.hero-concept-grid{grid-template-columns:repeat(3,1fr);width:100%;margin-bottom:23px}.hero-concept-grid span{padding:9px 8px 9px 0}.hero-concept-grid span+span{padding-left:8px}.hero-concept-grid strong{font-size:14px}.hero-concept-grid small{font-size:10px}.hero-proof{padding-top:13px;margin-top:18px}.image-note{right:16px;left:16px;bottom:auto;top:10px;max-width:none;padding:10px 12px}.image-note::before{display:block;margin-bottom:2px}}
@media(max-width:479px){.hero-product-rail{display:none}.hero-intro-line{font-size:10px}.hero-content{padding-top:24px;padding-bottom:40px}.hero h1{font-size:min(44px,11vw);letter-spacing:-.055em}.hero-copy{font-size:16px}.hero-concept-grid{margin-bottom:20px}.hero-concept-grid span{grid-template-columns:1fr;row-gap:2px}.hero-concept-grid b{grid-row:auto}.hero-concept-grid strong{font-size:13px}.hero-actions .hero-buy{min-width:0}.hero-proof span{padding-right:10px;margin-right:10px}.image-note{font-size:12px;line-height:1.45}}
@media(max-width:479px) and (max-height:700px) and (orientation:portrait){.hero{grid-template-rows:min(25svh,170px) auto}.hero-content{padding-top:12px;padding-bottom:22px}.hero-intro-line{margin-bottom:8px}.hero-content .eyebrow{margin-bottom:8px}.hero h1{font-size:34px;line-height:1.05}.hero-copy{margin:8px 0 11px;font-size:15px;line-height:1.4}.hero-concept-grid{margin-bottom:12px}.hero-concept-grid span{padding-top:6px;padding-bottom:6px}.hero-concept-grid strong{font-size:12px}.hero-concept-grid small{font-size:10px}.hero-actions{gap:7px}.hero-proof{margin-top:10px;padding-top:8px;font-size:11px}}
@media(min-width:480px) and (max-width:819px) and (max-height:500px) and (orientation:landscape){.hero-content{padding:12px 20px}.hero-intro-line{margin-bottom:6px;font-size:9px}.hero-content .eyebrow{margin-bottom:5px;font-size:11px}.hero h1{font-size:30px;line-height:1.02}.hero-copy{margin:4px 0 7px;font-size:13px;line-height:1.35}.hero-concept-grid{display:none}.hero-actions{flex-wrap:nowrap;gap:6px}.hero-buy{min-width:0!important}.hero-actions .button{min-height:42px;padding:8px 11px;font-size:12px}.hero-proof{display:none}}

/* FROSTFLOW visual system 2.0 — cooling instrument, not generic card UI. */
:root{--navy:#061b29;--ice:#c7f4f7;--cyan:#08a9c5;--coral:#d5412f;--paper:#f3f6f3;--ink:#102832;--muted:#60737a;--line:#cfdadb;--alloy:#e7eded;--shadow:0 22px 60px rgba(5,31,42,.12);--radius:18px;--font-display:"Arial Narrow","Avenir Next Condensed","PingFang TC","Noto Sans TC",sans-serif;--font-body:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans TC","PingFang TC","Microsoft JhengHei",sans-serif;--font-utility:ui-monospace,"SFMono-Regular",Consolas,monospace}
body{background:var(--paper);font-family:var(--font-body);letter-spacing:.002em}
:where(.eyebrow,.hero-intro-line,.hero-product-rail,.step-label,.steps,.feature-index,.data-status-item>span,.spec-grid dt,.footer-main h2){font-family:var(--font-utility)}
:where(.hero h1,.section-heading h2,.proof-heading h2,.buy-copy h2,.result h1){font-family:var(--font-display)}
.brand-mark{border-radius:9px 2px 9px 2px;background:linear-gradient(145deg,#55d9ed,#f5ffff);box-shadow:inset 0 0 0 1px rgba(255,255,255,.58)}
.site-header{background:rgba(6,27,41,.96);box-shadow:0 1px 0 rgba(255,255,255,.08)}
.site-header nav a{position:relative}.site-header nav a::after{content:"";position:absolute;right:0;bottom:-10px;left:0;height:1px;background:var(--cyan);transform:scaleX(0);transform-origin:left;transition:transform .2s ease}.site-header nav a:hover::after,.site-header nav a:focus-visible::after{transform:scaleX(1)}
.nav-buy,.button{border-radius:10px}.button-primary{background:var(--coral);box-shadow:0 12px 28px rgba(213,65,47,.18)}
.hero{background:#e5f2f7}
.hero::before{background:repeating-radial-gradient(circle at 77% 44%,transparent 0 92px,rgba(8,126,154,.12) 93px 94px,transparent 95px 148px),linear-gradient(118deg,rgba(255,255,255,.8),transparent 46%);background-size:auto;opacity:1}
.hero-intro-line{color:#52717b}.hero-intro-line span:last-child{color:#057b94}.hero-product-rail{color:rgba(6,27,41,.5)}.hero-product-rail b{margin:12px 0;color:#087f9b;font-size:13px;letter-spacing:.15em}.hero-product-rail small{font-size:9px}
.hero h1{font-weight:900}.hero-copy{color:#425f69}.hero-buy{border-radius:10px}.hero .button-ghost{border-radius:10px;background:rgba(255,255,255,.5)}
.hero-proof{font-family:var(--font-utility);letter-spacing:-.015em}.hero-proof i{font-family:var(--font-body)}
.image-note{border-radius:8px;background:rgba(241,249,251,.92);box-shadow:0 12px 28px rgba(7,42,54,.07)}
.truth-strip{border:1px solid var(--line);border-top:3px solid var(--navy);border-radius:0 0 14px 14px;box-shadow:0 18px 44px rgba(5,31,42,.1)}
.truth-strip div{align-items:flex-start;padding:20px 24px}.truth-strip strong{font-family:var(--font-display);font-size:26px}.truth-strip span{margin-top:2px}
.section{padding-top:112px;padding-bottom:112px}.section-heading{max-width:820px}.section-heading h2,.proof-heading h2{font-weight:880;letter-spacing:-.055em}.eyebrow{letter-spacing:.11em}
.feature-cards{gap:12px}.feature-card{min-height:330px;padding:28px;border:1px solid var(--line);border-top:3px solid var(--cyan);border-radius:3px;background:#f9fbfa;box-shadow:none}.feature-card::after{content:"";position:absolute;right:0;bottom:0;width:78px;height:78px;border-right:1px solid rgba(8,169,197,.2);border-bottom:1px solid rgba(8,169,197,.2);border-radius:100% 0 0 0}.feature-icon{top:26px;right:26px;width:72px;height:72px;display:grid;place-items:center;border:1px solid rgba(8,126,154,.28);border-radius:50%;color:#087e98;font-size:42px;opacity:.7}.feature-card h3{font-family:var(--font-display);font-size:30px}.feature-card p{max-width:300px;color:#4f666e}.ice-card,.mist-card,.wind-card{background:linear-gradient(145deg,#fbfdfc,#eef5f4)}
.claim-note{padding-left:14px;border-left:2px solid #8ba4ab}
.product-proof,.usage{margin-top:76px}.proof-heading{margin-bottom:24px}.box-grid{gap:0;overflow:hidden;border:1px solid var(--line);border-radius:14px;background:#fbfdfc}.box-grid article{min-height:190px;padding:24px;border:0;border-right:1px solid var(--line);border-radius:0;background:transparent}.box-grid article:last-child{border-right:0}.box-grid h3{font-family:var(--font-display);margin-top:18px}.line-icon{width:56px;height:56px;border-radius:17px}
.usage ol{grid-template-columns:repeat(3,1fr);gap:0;overflow:hidden;border:1px solid var(--line);border-radius:14px;background:#fbfdfc}.usage li{padding:24px;border-right:1px solid var(--line);border-radius:0;background:transparent}.usage li:last-child{border-right:0}.usage li>span{background:var(--navy);color:#fff;font-family:var(--font-utility);font-size:12px}.usage h3{font-family:var(--font-display)}
.dark-section{position:relative;background:linear-gradient(135deg,#061b29,#082533 66%,#0b3040)}.dark-section::before{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(90deg,transparent 49.9%,rgba(111,220,235,.08) 50%,transparent 50.1%)}.dark-section>*{position:relative}.scenes article{padding:32px 24px}.scenes h3{font-family:var(--font-display);letter-spacing:-.03em}.scenes p{font-family:var(--font-utility);color:#80c7d3}
.compare-status{border-left:2px solid var(--cyan);border-radius:0;background:#e6f2f3}.data-status-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;overflow:hidden;border:1px solid var(--line);border-radius:12px;background:var(--line)}.data-status-item{margin:0;border:0;border-radius:0;background:#fbfdfc}
.spec-grid{border-color:var(--line);background:#fbfdfc}.spec-grid div{border-color:var(--line)}.spec-grid .warning,.spec-grid .empty-spec{background:#f4f0e5}
.buy-section{background:linear-gradient(135deg,#061b29 0%,#082a39 72%,#0b3442 100%)}.buy-copy h2{font-weight:880}.plan{border-radius:10px;background:rgba(255,255,255,.045)}.plan.selected{border-color:#50d7e8;background:rgba(8,169,197,.13)}.popular-badge{border-radius:4px;background:var(--ice)}
.faq details{border-color:var(--line)}.faq summary{padding:23px 0;font-family:var(--font-display)}.answer-block{border-radius:10px}
footer{background:#03141e}.footer-main{border-top:1px solid rgba(255,255,255,.12);padding-top:42px}
.checkout{border-radius:18px;box-shadow:0 32px 100px rgba(0,12,20,.48)}.checkout-head{position:relative;background:#061b29}.checkout-head::after{content:"";position:absolute;right:0;bottom:0;left:0;height:3px;background:linear-gradient(90deg,var(--cyan) 0 33.333%,rgba(255,255,255,.12) 33.333%)}.checkout-head h2{font-family:var(--font-display);letter-spacing:-.035em}.steps{font-family:var(--font-utility)}
.checkout-plans label span,.shipping-tabs label>span,.store-button,.checkout-review{border-radius:8px}.checkout-plans input:checked+span,.shipping-tabs input:checked+span{border-color:#08a9c5;background:#e2f5f7}.order-summary{border-radius:8px;background:#eef3f2}.checkout-footer{background:#fff}
@media(min-width:820px){.hero-content{padding-top:64px;padding-bottom:96px}.hero-content h1{width:min(70%,740px);max-width:740px}.feature-card:first-child{transform:translateY(18px)}.feature-card:last-child{transform:translateY(-18px)}}
@media(max-width:819px){.site-header nav a::after{display:none}.section{padding-top:84px;padding-bottom:84px}.feature-card{min-height:250px}.feature-card:first-child,.feature-card:last-child{transform:none}.box-grid article{border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.box-grid article:nth-child(2n){border-right:0}.box-grid article:nth-last-child(-n+2){border-bottom:0}.usage ol{grid-template-columns:1fr}.usage li{border-right:0;border-bottom:1px solid var(--line)}.usage li:last-child{border-bottom:0}.data-status-list{grid-template-columns:1fr}.truth-strip div{align-items:center}.checkout{border-radius:18px 18px 0 0}}
@media(max-width:479px){.section{padding-top:72px;padding-bottom:72px}.feature-card{min-height:220px}.feature-icon{width:58px;height:58px;font-size:34px}.box-grid article{min-height:170px}.hero-proof{font-family:var(--font-body)}.checkout{border-radius:0}}

/* Mobile carousel controls belong to the media viewport, never the copy/CTA. */
@media(max-width:819px){.hero{grid-template-areas:"media" "note" "content";grid-template-rows:min(48svh,340px) auto auto}.hero-slider{position:relative;inset:auto;grid-area:media;min-width:0;overflow:hidden}.hero-slider-track{height:100%;aspect-ratio:auto}.image-note{position:static;inset:auto;grid-area:note;margin:0;border-width:0 0 1px;border-radius:0;box-shadow:none}.hero-product-rail{top:min(28%,190px)}}
@media(max-width:479px) and (max-height:700px) and (orientation:portrait){.hero{grid-template-rows:min(22svh,148px) auto auto}.image-note{padding-top:7px;padding-bottom:7px;font-size:11px!important}.image-note::before{display:inline;margin:0}.hero-content{padding-top:10px}}
@media(min-width:480px) and (max-width:819px) and (max-height:500px) and (orientation:landscape){.hero{grid-template-areas:"content media" "note note";grid-template-rows:minmax(230px,calc(100svh - 112px)) auto}.image-note{display:block!important;padding:6px 20px;font-size:11px!important}.image-note::before{display:inline;margin:0}}
.hero-slider-dot.is-active{background:transparent;transform:none}.hero-slider-dot.is-active span{background:#fff;transform:scale(1.2)}
@media(max-width:819px){.hero-slider-controls{left:10px;right:auto;bottom:8px;transform:none;background:rgba(6,27,41,.72)}.hero-slider-btn{background:rgba(255,255,255,.9)}}

/* FROSTFLOW design audit pass 2.1: a quieter, more deliberate instrument system. */
:root{--navy:#061b29;--ink:#102832;--paper:#f4f7f6;--cyan:#08a9c5;--ice:#c7f4f7;--coral:#d5412f;--line:#ccd9da;--muted:#60737a;--radius:12px;--shadow:0 20px 56px rgba(5,31,42,.1)}
body{background:var(--paper);color:var(--ink)}
.announcement{min-height:38px;background:#d9f4f3;color:#07566a;border-bottom:1px solid rgba(8,126,154,.14);font-family:var(--font-utility);font-size:12px;letter-spacing:.02em}
.announcement-dot{width:6px;height:6px;background:var(--cyan);box-shadow:0 0 0 4px rgba(8,169,197,.14)}
.site-header{height:70px;background:rgba(6,27,41,.98);border-bottom:1px solid rgba(199,244,247,.16)}
.site-header nav{gap:28px}.site-header nav a{font-family:var(--font-utility);font-size:12px;letter-spacing:.02em}
.nav-buy{padding:10px 18px;border-radius:7px;background:var(--ice);color:var(--navy);font-family:var(--font-utility);font-size:12px}
.hero{background:#e5f2f7}
.hero-content{padding-top:64px;padding-bottom:92px}
.hero-intro-line{margin-bottom:18px;font-size:10px;letter-spacing:.13em}
.hero h1{font-size:clamp(52px,6.2vw,84px);letter-spacing:-.075em}
.hero-copy{margin:22px 0 25px;max-width:510px;color:#425f69;font-size:clamp(17px,1.65vw,20px);line-height:1.7}
.hero-buy{border-radius:7px;box-shadow:0 12px 24px rgba(213,65,47,.2)}
.hero .button-ghost{border-radius:7px;background:rgba(255,255,255,.64)}
.hero-proof{margin-top:22px;padding-top:13px;color:#536d76;font-size:12px}
.image-note{border-radius:7px;padding:11px 13px;background:rgba(244,250,251,.94);font-family:var(--font-body);font-size:12px}
.truth-strip{margin-top:-28px;border-top-width:2px;border-radius:0 0 12px 12px}
.truth-strip div{padding:18px 22px}.truth-strip strong{font-size:25px}.truth-strip span{font-size:13px}
.section{padding-top:118px;padding-bottom:118px}
.section-heading{margin-bottom:48px}.section-heading::after{content:"";display:block;width:64px;height:2px;margin-top:28px;background:var(--cyan)}
.section-heading>p:last-child{max-width:640px;margin-top:20px;color:#62767d}
.feature-cards{gap:14px}.feature-card{min-height:316px;padding:26px;border-radius:5px;background:#fbfdfc;box-shadow:0 8px 24px rgba(5,31,42,.04)}
.feature-card:first-child,.feature-card:last-child{transform:none}.feature-card h3{font-size:29px}.feature-card p{max-width:330px;color:#526970}
.feature-icon{width:64px;height:64px;right:24px;top:24px;font-size:37px}
.product-proof,.usage{margin-top:82px}.proof-heading{margin-bottom:26px}
.box-grid,.usage ol{border-radius:7px;background:#fbfdfc;box-shadow:0 8px 24px rgba(5,31,42,.035)}
.box-grid article,.usage li{min-height:184px;padding:22px}
.dark-section{padding-top:116px;padding-bottom:116px;background:linear-gradient(135deg,#061b29 0%,#082c3a 100%)}
.dark-section .section-heading::after{background:var(--ice)}.scenes article{min-height:198px;padding:30px 22px}.scenes h3{font-size:clamp(22px,2.4vw,30px)}
.compare-status{margin:0 0 18px;padding:13px 15px;background:#e2f2f3}
.data-status-list{border-radius:7px}.data-status-item{padding:18px 20px}
.specs{padding-top:54px}.spec-grid{background:#fbfdfc}.spec-grid div{padding:18px 16px}
.buy-section{padding-top:104px;padding-bottom:104px;gap:72px}.buy-copy h2{font-size:clamp(40px,4.8vw,62px)}
.plan{min-height:94px;padding:20px 22px;border-radius:7px;overflow:hidden}.plan.selected::before{content:"";position:absolute;inset:0 auto 0 0;width:4px;background:var(--cyan)}.popular-badge{border-radius:3px}
.faq summary{padding:21px 0;font-size:18px}.answer-block{border-radius:7px;background:#eef4f3}
footer{padding-top:62px}.footer-main{padding-top:34px}
.checkout{border-radius:12px}.checkout-head{padding-top:29px}.checkout-head h2{font-size:32px}.checkout-footer{background:#fff}
.checkout-plans label span,.shipping-tabs label>span,.store-button,.checkout-review{border-radius:7px}
@media(min-width:820px){.hero-content h1{width:min(72%,760px);max-width:760px}.hero-product-rail{right:max(28px,calc((100vw - 1240px)/2))}.hero::before{opacity:.72}.section-heading h2{max-width:760px}.buy-copy{padding-top:10px}}
@media(max-width:819px){.site-header{height:64px}.hero-content{padding-top:28px;padding-bottom:46px}.hero h1{font-size:clamp(42px,10vw,60px)}.truth-strip{margin-top:12px}.section{padding-top:82px;padding-bottom:82px}.section-heading{margin-bottom:36px}.section-heading::after{margin-top:22px}.dark-section{padding-top:84px;padding-bottom:84px}.buy-section{padding-top:76px;padding-bottom:calc(120px + env(safe-area-inset-bottom));gap:34px}.plans{order:-1}}
@media(max-width:479px){.announcement{min-height:40px}.hero-content{padding-top:22px;padding-bottom:34px}.hero h1{font-size:min(43px,11vw)}.truth-strip{margin:-12px 12px 0}.truth-strip div{padding:15px 10px}.section{padding-top:70px;padding-bottom:70px}.feature-card{min-height:214px}.feature-card h3{font-size:25px}.feature-icon{width:56px;height:56px;font-size:32px}.box-grid article,.usage li{min-height:166px;padding:18px}.buy-section{padding-top:66px}.plan{padding:18px 16px}}

/* Keep the next checkout action discoverable on desktop without hiding the
   delivery task while the dialog content scrolls. */
@media(min-width:820px){
  .checkout-footer{
    position:sticky;
    bottom:0;
    z-index:3;
    margin-inline:-35px;
    padding:12px 35px 18px;
    border-top:1px solid var(--line);
    background:rgba(255,255,255,.96);
    box-shadow:0 -12px 26px rgba(4,30,42,.08);
  }
}

/* FROSTFLOW design audit pass 2.2: finish the hierarchy at interaction level. */
:where(h1,h2,h3){text-wrap:balance}
:where(.button,.nav-buy,.action,.copy-inline,.store-button){min-height:44px}
.section-heading>p:last-child,.hero-copy,.buy-copy>p:not(.eyebrow){max-inline-size:62ch}
.feature-card{box-shadow:inset 0 1px rgba(255,255,255,.8),0 8px 24px rgba(5,31,42,.04)}
.feature-card h3{max-width:10em}
.box-grid article,.usage li{background:linear-gradient(180deg,#fbfdfc,#f4f8f7)}
.plans{max-width:660px}
.plan{box-shadow:inset 0 0 0 1px rgba(255,255,255,.04)}
.plan.selected{box-shadow:inset 4px 0 var(--cyan),0 12px 26px rgba(5,31,42,.12)}
.buy-wide{min-height:54px}
.faq-list{max-width:920px}
.answer-block{max-width:920px}
.checkout-footer{backdrop-filter:blur(12px)}
.checkout-review-total strong,.order-summary strong{font-variant-numeric:tabular-nums}
@media(min-width:820px){.hero-content{padding-inline:32px}.hero-copy{max-width:520px}.hero-actions .button{min-height:54px}.section-heading::after{width:72px}.buy-section{grid-template-columns:minmax(300px,.82fr) minmax(0,1.18fr)}}
@media(max-width:819px){.hero-copy{max-width:38em}.plans{max-width:none}.plan.selected{box-shadow:inset 4px 0 var(--cyan),0 8px 18px rgba(5,31,42,.1)}.faq-list,.answer-block{max-width:none}.checkout-footer{background:rgba(255,255,255,.96)}}
@media(max-width:479px){.hero-proof span{border-right:0}.feature-card h3{max-width:12em}.buy-wide{min-height:52px}}

/* Keep disclosure copy legible across every tested viewport. */
.image-note,.hero-slider-status{font-size:13px!important}

/* Re-apply the compact hero scale after the final design-audit cascade. */
@media(max-width:479px) and (max-height:700px) and (orientation:portrait){
  .hero-content{padding-top:12px;padding-bottom:22px}
  .hero-intro-line{margin-bottom:8px}
  .hero-content .eyebrow{margin-bottom:8px}
  .hero h1{font-size:34px;line-height:1.05}
  .hero-copy{margin:8px 0 11px;font-size:15px;line-height:1.4}
  .hero-actions{gap:7px}
  .hero-proof{margin-top:10px;padding-top:8px;font-size:11px}
}
@media(max-width:359px) and (max-height:700px) and (orientation:portrait){
  .hero-media{transform:translateX(-4%) scale(1.16);transform-origin:78% 50%}
}
@media(max-width:479px){
  .checkout:has(#cvs-fields:not([hidden]) #store-error:not(:empty)) #form-error{display:none!important}
}
@media(min-width:480px) and (max-width:819px) and (max-height:500px) and (orientation:landscape){
  .hero-content{padding:12px 20px;justify-content:center}
  .hero-intro-line{margin-bottom:6px;font-size:9px}
  .hero-content .eyebrow{margin-bottom:5px;font-size:11px}
  .hero h1{font-size:30px;line-height:1.02}
  .hero-copy{margin:4px 0 7px;font-size:13px;line-height:1.35}
  .hero-actions{flex-wrap:nowrap;gap:6px}
  .hero-actions .button{min-height:42px;padding:8px 11px;font-size:12px}
}

/* Homepage refinement: functional labels, compact feature modules and photographic usage scenes. */
:where(#features,#usage,#how,#compare,#buy,#faq){scroll-margin-top:96px}
.truth-strip div{position:relative}
.truth-strip div::before{content:none}
.truth-strip strong{color:#0b6f89;font-size:24px;letter-spacing:-.035em}
.truth-strip span{max-width:18em;color:#62767d;line-height:1.45}

.feature-card{min-height:292px;display:flex;flex-direction:column;justify-content:space-between;gap:64px;border-top-width:1px;background:#fbfdfc}
.feature-card::after{content:none}
.feature-card-head{display:flex;align-items:flex-start;justify-content:space-between;gap:20px}
.feature-mode{padding:0 0 7px;border:0;border-bottom:1px solid rgba(8,126,152,.32);border-radius:0;color:#087e98;font-family:var(--font-utility);font-size:12px;font-weight:750;letter-spacing:.04em}
.feature-card .feature-icon{position:static;inset:auto;flex:0 0 auto;color:#087e98;font-size:0;opacity:1}
.feature-icon svg{width:34px;height:34px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.feature-card-copy h3{margin:0 0 10px}
.feature-card-copy p{margin:0}

.scenes{gap:14px;border-top:0}
.scenes .scene-card{position:relative;min-height:390px;padding:0;overflow:hidden;border:1px solid rgba(157,220,231,.2);border-radius:3px;background:#092333}
.scenes .scene-card:nth-child(odd){border-right:1px solid rgba(157,220,231,.2)}
.scene-card::after{content:"";position:absolute;inset:30% 0 0;z-index:0;background:linear-gradient(180deg,transparent 0%,rgba(3,20,31,.24) 30%,rgba(3,20,31,.95) 100%)}
.scene-image{position:absolute;inset:0;width:100%;height:100%;z-index:0;display:block;object-fit:cover;object-position:center;filter:saturate(.9) contrast(1.03)}
.scene-copy{position:relative;z-index:1;min-height:390px;display:flex;flex-direction:column;justify-content:flex-end;padding:30px}
.scene-copy p{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin:0 0 8px;color:#9fe3eb;font-size:12px;letter-spacing:.1em}
.scene-copy p b{padding-left:8px;border-left:1px solid rgba(159,227,235,.48);color:#d7f5f7;font:inherit;letter-spacing:.04em}
.scene-copy h3{max-width:15em;margin:0;color:#fff;font-size:clamp(24px,2.5vw,31px);line-height:1.18}
.scene-copy small{max-width:30em;margin-top:11px;color:#d2e2e5;font-size:14px;line-height:1.55}
.data-status-item.confirmed span{color:#087e98}

@media(max-width:819px){
  .feature-card{min-height:240px;gap:44px}
  .scenes{gap:12px}
  .scenes .scene-card,.scene-copy{min-height:340px}
  .scene-copy{padding:24px 22px}
  .scene-copy h3{font-size:27px}
  .buy-section .buy-copy{order:0}
  .buy-section .plans{order:1}
}
@media(max-width:479px){
  .truth-strip strong{font-size:20px}
  .truth-strip span{font-size:13px}
  .feature-card{min-height:224px;gap:36px}
  .feature-mode{font-size:11px}
  .feature-icon svg{width:30px;height:30px}
  .scenes .scene-card,.scene-copy{min-height:320px}
  .scene-copy{padding:22px 20px}
  .scene-copy h3{font-size:25px}
}

/* frontend-design: FROSTFLOW cold-instrument finish. Keep copy as natural text flow. */
:where(.hero h1,.hero-copy,.section-heading h2,.scene-copy h3,.buy-copy h2,.faq summary){white-space:normal}
:where(.hero h1,.section-heading h2,.scene-copy h3,.buy-copy h2){text-wrap:balance}
.hero-content h1{max-width:760px;overflow-wrap:normal;word-break:normal}
.truth-strip{border-top:2px solid var(--cyan);box-shadow:0 18px 44px rgba(5,31,42,.1)}
.truth-strip div{background:linear-gradient(180deg,#fff,#f5fbfb)}
.feature-card{transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.feature-card:hover{transform:translateY(-4px);border-color:#8ccbd3;box-shadow:0 16px 32px rgba(5,31,42,.1)}
.plan{transition:background .2s ease,border-color .2s ease,box-shadow .2s ease,transform .2s ease}
.plan:hover{border-color:#7bc6d0;background:rgba(67,217,255,.09);transform:translateY(-2px)}
.plan:has(input:focus-visible){transform:none}
.checkout{border:1px solid rgba(199,218,220,.9)}
.checkout-head{background:linear-gradient(135deg,#061b29 0%,#0a3442 100%)}
.checkout-head::after{background:linear-gradient(90deg,var(--cyan),#b9f1ff 55%,rgba(255,255,255,.14))}
@media(prefers-reduced-motion:reduce){.feature-card:hover,.plan:hover{transform:none}}