/* Spring Ads · image-led website v8. Brand and typography retain the approved system. */
:root{--navy:#08265f;--ink:#1d1d1f;--muted:#68686e;--blue:#0066cc;--blue-hover:#0054ad;--surface:#f5f5f7;--line:#dcdce1;--font:'PingFang SC','Microsoft YaHei','Noto Sans CJK SC','Source Han Sans SC',sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:#fff;color:var(--ink);font-family:var(--font);font-size:17px;font-weight:400;line-height:1.75;-webkit-font-smoothing:antialiased}body.dialog-open{overflow:hidden}a{color:inherit;text-decoration:none}button,input,summary{font:inherit;color:inherit}button,summary{cursor:pointer}button{border:0;background:none}button,a,summary{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{outline:3px solid #78b4ed;outline-offset:5px}img{display:block;width:100%;height:auto}h1,h2,h3,p,figure,dl,dd{margin:0}h1,h2,h3,strong{font-weight:600}ul,ol{margin:0;padding:0}h1,h2,h3{letter-spacing:-.035em;text-wrap:balance}h2{font-size:56px;line-height:1.2}h3{font-size:24px;line-height:1.4}.wrap{width:min(1120px,calc(100% - 80px));margin-inline:auto}.visual-wrap{width:min(1440px,calc(100% - 48px));margin-inline:auto}.section{padding-block:110px}.eyebrow{font-size:14px;font-weight:600;line-height:1.5;color:var(--muted);letter-spacing:.035em;margin-bottom:18px}.skip{position:fixed;left:20px;top:-100px;z-index:100;background:white;border:2px solid var(--blue);padding:12px}.skip:focus{top:10px}
/* Shared navigation */
.header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);border-bottom:1px solid #ededf0;backdrop-filter:blur(16px)}.nav-shell{height:78px;width:min(1280px,calc(100% - 64px));margin:auto;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:14px;flex-shrink:0}.logo-crop{display:block;width:124px;overflow:hidden;border-radius:7px}.brand-name{font-size:20px;line-height:1.2;letter-spacing:.05em}.brand-name>span{display:block;margin-top:3px;font-size:11px;color:var(--muted);letter-spacing:.03em}#navigation{display:flex;align-items:center;gap:32px;font-size:13px}#navigation>a:hover{color:var(--blue)}.nav-contact{padding:8px 19px;background:var(--blue);color:#fff;border-radius:30px}#navigation>.nav-contact:hover{background:var(--blue-hover);color:white}.nav-contact span{padding-left:6px}.menu-toggle{display:none}.nav-services{position:relative}.nav-services summary{list-style:none;display:flex;align-items:center;gap:8px;font-size:13px;padding:16px 0;min-height:46px}.nav-services summary::-webkit-details-marker{display:none}.nav-services summary>svg{width:12px;height:12px;fill:none;stroke:currentColor;stroke-width:1.5;transition:transform .2s}.nav-services[open] summary{color:var(--blue)}.nav-services[open] summary>svg{transform:rotate(180deg)}.service-dropdown{position:absolute;right:0;top:54px;width:326px;padding:12px;background:white;border:1px solid #e3e5e9;border-radius:18px;box-shadow:0 15px 40px #12203b12}.service-dropdown>a{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:17px 15px;border-radius:10px}.service-dropdown>a:hover,.service-dropdown [aria-current=page]{background:var(--surface)}.service-dropdown strong{font-size:15px}.service-dropdown small{display:block;font-size:11px;color:var(--muted);margin-top:4px;font-weight:400}.service-dropdown svg{width:15px;height:15px;fill:none;stroke:var(--muted);stroke-width:1.2}.service-dropdown>.dropdown-overview{border-top:1px solid var(--line);margin:8px 10px 0;padding:16px 5px 5px;border-radius:0;font-size:12px;color:var(--blue)}
/* Actions and image roles */
.button{display:inline-flex;justify-content:center;align-items:center;gap:20px;min-height:50px;padding:10px 26px;border-radius:30px;font-size:16px;line-height:1.5}.primary{background:var(--blue);color:#fff}.primary:hover{background:var(--blue-hover)}.text-link{color:var(--blue);font-size:16px;line-height:1.6;padding:0}.text-link span{display:inline-block;margin-left:9px}.text-link:hover{text-decoration:underline;text-underline-offset:5px}.visual-media{position:relative;min-width:0;overflow:hidden;border-radius:20px;background:#f4f4f6}.visual-media img{aspect-ratio:1.5988;object-fit:cover}.visual-media figcaption{position:absolute;right:14px;bottom:12px;padding:4px 9px;border-radius:15px;background:#fffffff0;color:#68686e;font-size:9px;line-height:1.5;max-width:calc(100% - 28px)}

/* Local website roles: PingFang 400/600; navy brand, blue action; platform colors identify the source. */
.hero{text-align:center;padding:76px 0 85px}.hero-brand{font-size:20px;font-weight:600;margin-bottom:30px}.hero-brand span{margin-left:12px}.hero h1{font-size:88px;line-height:1.14;letter-spacing:-.055em}.hero h1>span{color:var(--navy)}.hero-intro{font-size:23px;color:var(--muted);line-height:1.8;margin-top:30px}.hero-actions{display:flex;gap:30px;align-items:center;justify-content:center;margin-top:30px}.section-head{display:flex;justify-content:space-between;align-items:end;gap:40px;margin-bottom:48px}.section-head h2{font-size:46px}.section-note{font-size:16px;line-height:1.8;color:var(--muted)}.services,.pale{background:var(--surface)}.service-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;background:#fff;border-radius:22px;overflow:hidden}.service-card{padding:30px 26px;border-right:1px solid #ececf0}.service-card:last-child{border:0}.service-number{font-size:12px;color:var(--muted)}.service-card h3{font-size:24px;margin:23px 0 8px}.service-card p{font-size:15px;color:var(--muted);line-height:1.8}.service-card .service-platform{font-size:12px;margin-bottom:19px;color:var(--navy)}.card-link{display:block;color:var(--blue);font-size:14px;margin-top:26px}.card-link i{font-style:normal;margin-left:10px}.service-card:hover{background:#fafafd}.selected-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}.selected-media{height:270px;overflow:hidden;border-radius:18px;display:flex;align-items:center;justify-content:center;background:#f0f2f6}.selected-media img{width:100%;height:100%;object-fit:cover;object-position:top}.ad-mini img{width:45%;height:auto;transform:rotate(-6deg);box-shadow:12px 16px 30px #08265f20}.editorial-mini img{width:66%;height:auto;margin-top:150px;transform:rotate(5deg);box-shadow:8px 10px 30px #08265f15}.system-mini img{height:auto;width:150%;max-width:none;transform:translate(26px,30px) rotate(-4deg);box-shadow:10px 15px 35px #08265f20}.selected-grid .eyebrow{font-size:11px;margin:22px 0 10px}.selected-grid h3{font-size:22px;margin-bottom:13px}.selected-grid .text-link{font-size:14px}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:48px;list-style:none}.steps li{border-top:1px solid var(--line);padding-top:24px}.step-number{font-size:13px;color:var(--blue)}.steps h3{margin-top:20px}.steps p{font-size:16px;color:var(--muted);margin-top:16px}.about{background:var(--surface)}.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:90px;align-items:center}.about-brand{padding:50px 0}.about-logo{width:88%;max-width:400px;border-radius:16px;overflow:hidden}.about-brand>p{font-size:23px;margin-top:25px}.about-brand>p span{font-size:16px;color:var(--muted);margin-left:12px}.about-copy h2{font-size:42px}.about-copy>p:not(.eyebrow){font-size:16px;color:var(--muted);margin-top:22px}.about-copy>.text-link{display:inline-block;margin-top:22px}.detail-hero{padding:38px 0 44px}.back-link{display:inline-block;color:var(--muted);font-size:13px;margin-bottom:38px}.detail-hero h1{font-size:60px;line-height:1.2}.detail-lead{font-size:21px;line-height:1.8;color:var(--muted);max-width:800px;margin-top:24px}.detail-hero>.button{margin-top:27px}.feature{display:grid;grid-template-columns:1fr 1.1fr;gap:45px;align-items:center;padding:30px 0 85px}.feature h2{font-size:43px;line-height:1.3}.feature-copy>p:not(.eyebrow):not(.platform-label){font-size:17px;color:var(--muted);margin-top:24px;line-height:1.9}.feature-copy .text-link{display:inline-block;margin-top:24px}.feature-copy>.caption{font-size:12px!important}.platform-lockup{display:flex;align-items:center;gap:20px;margin-bottom:28px}.platform-lockup img{width:75px;max-height:32px;object-fit:contain}.platform-lockup img.juguang{width:66px}.platform-lockup span{font-size:16px;color:#b2b2b8}.platform-label{font-size:15px;font-weight:600;display:flex;align-items:center;gap:11px;color:#247747;margin-bottom:25px}.wechat-dot{background:#09b95a;width:15px;height:15px;border-radius:50%;display:inline-block;box-shadow:0 0 0 5px #e8f8ee;flex-shrink:0}.ad-scene{position:relative;min-height:520px;perspective:1400px;background:linear-gradient(145deg,#eef2f8,#f8fafc);border-radius:26px;overflow:hidden}.ad-sheet{position:absolute;width:47%;top:13%;box-shadow:12px 28px 40px #08265f28;border-radius:5px;overflow:hidden}.ad-sheet.front{left:14%;transform:rotateY(12deg) rotateZ(-8deg);z-index:2}.ad-sheet.back{right:9%;top:20%;transform:rotateY(-8deg) rotateZ(9deg)}.ad-sheet img{width:100%}.creative-pair{display:grid;grid-template-columns:1fr 1fr;gap:48px}.creative-pair .actual-figure{max-width:390px;margin:auto}.creative-pair .actual-figure>img{width:100%;border-radius:6px}.creative-pair h3{font-size:23px;margin-top:32px}.creative-pair p{font-size:16px;color:var(--muted);margin-top:14px;line-height:1.85}.actual-figure{margin:0;min-width:0}.actual-figure>img{width:100%;height:auto;border-radius:10px}.actual-figure figcaption,.caption{font-size:12px;line-height:1.8;color:var(--muted);margin-top:15px}.proof-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}.proof-grid h2{font-size:44px;line-height:1.3}.body-copy{font-size:18px;color:var(--muted);margin-top:24px;line-height:1.9}.check-list{list-style:none;margin:30px 0;padding:0}.check-list li{font-size:16px;padding:14px 0;border-top:1px solid var(--line)}.platform-proof{max-width:450px;margin:auto}.platform-proof>img{border-radius:17px}.service-rows{margin-top:50px;border-bottom:1px solid var(--line)}.service-rows>div{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;padding:29px 0;border-top:1px solid var(--line)}.service-rows dt{font-size:22px;font-weight:600}.service-rows dd{font-size:16px;color:var(--muted);line-height:1.95}.detail-bottom{padding:85px 0 45px;border-top:1px solid var(--line)}.detail-bottom h2{font-size:44px}.detail-bottom>p:not(.eyebrow){font-size:18px;color:var(--muted);margin-top:24px}.detail-bottom>.button{margin-top:26px}.related{display:flex;gap:30px;flex-wrap:wrap;padding-bottom:80px}.related .text-link{font-size:14px}.reading-scene{background:#eaf1ed;min-height:540px;position:relative;border-radius:26px;overflow:hidden;perspective:1400px}.reading-sheet{position:absolute;width:60%;left:13%;top:7%;max-height:480px;overflow:hidden;border-radius:12px;transform:rotate(-6deg) rotateY(8deg);box-shadow:20px 25px 40px #183d3025;background:white}.scene-annotation{position:absolute;bottom:35px;right:25px;font-size:13px;line-height:2;padding:20px;background:#fffffff2;border-radius:14px;box-shadow:0 10px 30px #183d3010}.scene-annotation strong{font-size:19px}.scene-annotation .wechat-dot{width:9px;height:9px;box-shadow:none;margin-right:7px}.article-banner{display:grid;grid-template-columns:1fr .8fr;gap:60px;align-items:center}.article-banner h2{font-size:40px;line-height:1.4}.article-banner p{margin-top:24px;color:var(--muted);font-size:17px}.article-banner .text-link{display:inline-block;margin-top:24px}.article-banner>img{border:1px solid var(--line);border-radius:12px}.web-scene{position:relative;min-height:430px;perspective:1600px;background:#edf0f5;border-radius:26px;padding:45px 24px;overflow:hidden}.browser-frame{background:white;border:1px solid #d0d7e2;border-radius:12px;overflow:hidden;box-shadow:12px 22px 45px #08265f1d;position:relative;padding-top:22px}.browser-frame:before{content:'● ● ●';position:absolute;top:2px;left:12px;font-size:9px;letter-spacing:3px;color:#c4c9d2}.web-scene>.browser-frame{width:91%;transform:rotateY(-8deg) rotateZ(-3deg);max-height:340px}.phone-frame{position:absolute;width:25%;height:290px;right:18px;bottom:24px;border:5px solid #202124;overflow:hidden;border-radius:23px;box-shadow:10px 14px 35px #08265f30;background:white}.phone-frame img{width:100%;height:auto}.three-columns{display:grid;grid-template-columns:repeat(3,1fr);gap:45px;margin-top:55px}.three-columns article{border-top:1px solid var(--line);padding-top:22px}.three-columns article>span{font-size:13px;color:var(--blue)}.three-columns h3{font-size:23px;margin-top:18px}.three-columns p{font-size:16px;color:var(--muted);margin-top:16px;line-height:1.9}.system-scene{padding:35px;background:#e8ecf3;border-radius:22px;perspective:1800px}.system-scene .browser-frame{transform:rotateX(3deg) rotateY(-3deg);max-height:650px}.article-head{padding:40px 0 55px}.article-head h1{font-size:64px}.article-deck{font-size:23px;color:var(--muted);margin-top:25px}.article-body{width:min(680px,calc(100% - 48px));margin:auto;padding-bottom:65px;font-size:18px;line-height:2}.article-body>p{margin:0 0 25px}.article-body>p:first-child{font-size:14px;color:var(--muted);border-left:2px solid var(--navy);padding-left:18px;margin-bottom:40px}.article-body h2{font-size:34px;margin:65px 0 28px}.article-body .actual-figure{margin:40px 0}.article-body .actual-figure figcaption{text-align:center}.article-tail{padding:55px 0 75px;border-top:1px solid var(--line)}.article-tail h2{font-size:34px}.article-tail p{font-size:17px;color:var(--muted);max-width:750px;margin-top:23px}.article-tail .text-link{display:inline-block;margin:25px 30px 0 0}.article-index{padding-top:10px;display:grid;grid-template-columns:1fr 1fr;gap:85px;align-items:center}.article-index h2{font-size:48px}.article-index p:not(.eyebrow){font-size:18px;color:var(--muted);margin-top:25px}.article-index .text-link{display:inline-block;margin-top:30px}.article-cover{height:490px;overflow:hidden;background:#eaf1ed;border-radius:22px;padding:40px 70px;display:block}.article-cover img{box-shadow:0 12px 40px #163d3025;border-radius:10px;transform:rotate(-4deg)}.account-intro{display:flex;justify-content:space-between;gap:50px;align-items:center}.account-intro p:not(.platform-label){margin-top:25px;font-size:18px;color:var(--muted)}.account-intro .button{margin-top:30px}.account-intro>img{width:220px;height:220px;flex-shrink:0}
.calculator-section{background:#eef2f7;padding-block:82px}.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:40px;margin-bottom:42px}.section-head h2{font-size:46px}.section-note{font-size:17px;line-height:1.8;color:var(--muted);max-width:390px}.calculator{display:grid;grid-template-columns:1fr 1fr;gap:54px;background:white;border-radius:22px;padding:40px}.calc-label{font-size:13px;color:var(--muted);margin-bottom:24px}.calc-inputs{display:grid;grid-template-columns:1fr 1fr;gap:22px 20px}.calc-inputs label{display:block;font-size:12px;color:#555c67;min-width:0}.calc-inputs input{display:block;width:100%;min-width:0;border:1px solid #bdc6d2;border-radius:8px;background:#fff;padding:10px 12px;font-family:var(--font);font-size:19px;font-weight:400;color:var(--ink);margin-top:9px;min-height:47px}.calc-inputs input:focus{outline:2px solid #86b8eb;outline-offset:1px}.calc-error{font-size:12px;color:#b23727;min-height:22px;line-height:1.6;margin-top:15px}.calculator #calc-reset{font-size:12px;margin-top:4px}.calc-output{align-self:center}.calc-output dl{display:grid;grid-template-columns:1fr 1fr;gap:28px 20px}.calc-result{min-width:0}.calc-result dt{font-size:12px;color:var(--muted)}.calc-result dd{margin-top:8px}.calc-result output{display:block;font-size:31px;line-height:1.3;letter-spacing:-.03em;font-weight:600;color:var(--navy);overflow-wrap:anywhere}.calc-result dd>span{font-size:10px;color:var(--muted)}.calc-conversion{border-top:1px solid var(--line);padding-top:20px;margin-top:24px;font-size:11px;color:var(--muted)}.calc-note{font-size:11px;line-height:1.9;color:var(--muted);margin-top:24px;max-width:980px}.metric-source{display:inline-block;font-size:11px;margin-top:12px}
/* Contact, footer and dialogs */
.contact{display:flex;align-items:center;justify-content:space-between;gap:70px}.contact h2{font-size:52px}.contact-copy>p:not(.eyebrow){color:var(--muted);margin-top:25px}.contact-method{font-size:15px;line-height:1.9}.contact-method strong{color:var(--ink)}.contact-copy>.button{margin-top:30px}.qr-block{width:280px;flex:none;text-align:center}.qr-block img{width:210px;margin:0 auto 20px}.qr-block figcaption{font-size:15px;font-weight:600}.qr-block figcaption span{display:block;color:var(--muted);font-size:12px;font-weight:400;margin-top:5px}.footer{border-top:1px solid #e7e7eb;background:var(--surface);padding:28px 0}.footer-inner{display:flex;flex-wrap:wrap;align-items:center;gap:20px;font-size:11px;color:var(--muted)}.footer-name{color:var(--ink);font-size:15px;font-weight:600;margin-right:auto}.footer-name span{font-size:12px;margin-left:6px;font-weight:400}.privacy-button{padding:8px 0;font-size:11px}.privacy-button:hover,.footer a:hover{color:var(--blue)}dialog{border:0;border-radius:24px;padding:42px;width:min(470px,calc(100% - 32px));max-height:calc(100dvh - 40px);overflow:auto;color:var(--ink);background:#fff;font-family:var(--font);box-shadow:0 24px 90px #0003;text-align:center}dialog::backdrop{background:#12151b77;backdrop-filter:blur(4px)}dialog h2{font-size:30px}dialog .eyebrow{font-size:12px;margin-bottom:10px}dialog>p:not(.eyebrow){font-size:14px;color:var(--muted);margin-top:18px}.dialog-close{position:absolute;top:13px;right:13px;border-radius:50%;width:34px;height:34px;font-size:25px;line-height:1;background:var(--surface);color:var(--muted)}.dialog-qr{width:200px;margin:22px auto 0}.dialog-name{color:var(--ink)!important;font-weight:600}.dialog-note{font-size:12px!important}.download-qr{display:inline-block;margin-top:19px}.privacy-dialog{text-align:left}.privacy-dialog h2{font-size:27px}


/* v10: focused XHS service roles, sharing the site's approved typography and colors. */
.xhs-page>.section h2{font-size:46px}.xhs-feature{grid-template-columns:1fr 1.05fr}.xhs-scene{margin:0;min-width:0;background:#edf1f7;padding:44px 24px 24px;border-radius:24px;perspective:1500px}.xhs-scene>.browser-frame{transform:rotateY(-8deg) rotateZ(-3deg);width:100%}.xhs-scene img{width:100%;display:block}.xhs-scene figcaption{font-size:12px;color:var(--muted);margin-top:27px;text-align:right}.xhs-goals{margin-top:36px}.xhs-goals h3{margin-top:0}.xhs-goals article>span{display:block;font-size:12px;color:var(--navy);margin-top:21px;line-height:1.9}.xhs-scope dd>strong{display:block;color:var(--ink);font-weight:400;margin-top:9px}.xhs-measures{border-bottom:1px solid var(--line)}.xhs-measures article{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;padding:27px 0;border-top:1px solid var(--line)}.xhs-measures h3{font-size:23px}.xhs-measures .xhs-metric{font-size:13px;color:var(--navy);margin-top:12px}.xhs-measures article>p{font-size:16px;color:var(--muted);line-height:1.9}.xhs-proof{display:block;background:#f5f6f8;padding:30px;border-radius:20px}.xhs-proof>img{width:100%;display:block;border-radius:7px}.xhs-proof-note{display:flex;justify-content:space-between;gap:24px;align-items:baseline}.xhs-proof-note .text-link{font-size:12px;flex-shrink:0}.xhs-faq details{border-top:1px solid var(--line);padding:23px 0}.xhs-faq h2{margin-bottom:35px}.xhs-faq details:last-child{border-bottom:1px solid var(--line)}.xhs-faq summary{font-size:20px;font-weight:600;cursor:pointer;line-height:1.7;list-style-position:outside;margin-left:20px;padding-left:5px}.xhs-faq details>p{max-width:800px;font-size:16px;color:var(--muted);line-height:1.9;margin:18px 0 0 25px}.xhs-mini img{width:160%;max-width:none;height:auto;transform:translate(18px,10px) rotate(-4deg);box-shadow:10px 15px 35px #08265f20}
@media(max-width:1050px){.xhs-page>.section h2{font-size:40px}}
@media(max-width:760px){.xhs-page>.section h2{font-size:34px}.xhs-feature{grid-template-columns:1fr}.xhs-scene{padding:35px 14px 20px;border-radius:18px}.xhs-scene figcaption{font-size:11px;margin-top:22px}.xhs-measures article{display:block;padding:25px 0}.xhs-measures h3{font-size:22px}.xhs-measures .xhs-metric{font-size:12px;line-height:1.9}.xhs-measures article>p{margin-top:16px}.xhs-proof{padding:10px;border-radius:13px}.xhs-proof-note{display:block}.xhs-proof-note .text-link{display:inline-block;margin-top:12px}.xhs-faq summary{font-size:19px}.xhs-faq details>p{font-size:16px;margin-left:0}.xhs-faq h2{font-size:31px}.xhs-goals article>span{margin-top:17px}}

@media(max-width:1050px){h2{font-size:44px}.section-head h2{font-size:40px}.service-grid{grid-template-columns:1fr 1fr}.service-card:nth-child(2){border:0}.service-card:nth-child(-n+2){border-bottom:1px solid var(--line)}.feature{gap:30px}.feature h2{font-size:36px}.feature-copy>p:not(.eyebrow):not(.platform-label){font-size:16px}.ad-scene{min-height:450px}.proof-grid{gap:40px}.article-index{gap:45px}.article-cover{padding-inline:40px}.selected-media{height:230px}}
@media(max-width:760px){html{scroll-padding-top:85px}body{font-size:16px}.wrap{width:calc(100% - 48px)}h2{font-size:34px}.section{padding-block:64px}.nav-shell{height:69px;width:calc(100% - 40px)}.logo-crop{width:112px}.brand{gap:11px}.brand-name{font-size:18px}.brand-name>span{font-size:9px}.menu-toggle{display:flex;flex-direction:column;justify-content:center;gap:7px;width:44px;height:44px;padding:10px}.menu-toggle span{height:1.4px;width:22px;background:var(--ink)}.menu-toggle[aria-expanded=true] span:first-child{transform:translateY(4.2px) rotate(45deg)}.menu-toggle[aria-expanded=true] span:last-child{transform:translateY(-4.2px) rotate(-45deg)}#navigation{display:none;position:absolute;left:0;right:0;top:69px;padding:15px 28px 26px;background:white;border-bottom:1px solid var(--line);font-size:17px;max-height:calc(100dvh - 69px);overflow:auto}#navigation.open{display:flex;flex-direction:column;align-items:stretch;gap:7px}#navigation>a{padding:13px 5px}#navigation>.nav-contact{margin-top:12px;text-align:center;padding:12px 20px}.nav-services{width:100%}.nav-services summary{font-size:17px;justify-content:space-between;padding:13px 5px;min-height:50px}.service-dropdown{position:static;width:100%;box-shadow:none;border:0;background:var(--surface);padding:7px;margin:4px 0 12px;border-radius:13px}.service-dropdown>a{padding:13px}.hero{padding:56px 0 65px}.hero-brand{font-size:16px;margin-bottom:25px}.hero h1{font-size:52px;line-height:1.2}.hero-intro{font-size:18px;margin-top:26px}.hero-actions{gap:24px;margin-top:27px}.hero-actions .button{font-size:14px;gap:12px;padding:10px 23px}.hero-actions .text-link{font-size:14px}.section-head{display:block;margin-bottom:33px}.section-head h2{font-size:32px;line-height:1.35}.section-note{font-size:15px;margin-top:22px}.service-grid{grid-template-columns:1fr;border-radius:17px}.service-card{padding:25px 26px;border:0;border-bottom:1px solid var(--line)!important}.service-card:last-child{border:0!important}.service-card h3{font-size:25px;margin-top:12px}.service-card .service-platform{margin-bottom:10px}.card-link{margin-top:18px}.selected-grid{grid-template-columns:1fr;gap:40px}.selected-media{height:270px}.selected-grid h3{font-size:24px}.selected-grid .eyebrow{margin-top:20px;font-size:12px}.selected-grid .text-link{font-size:15px}.steps{display:block}.steps li{padding:24px 0}.steps h3{font-size:23px;margin-top:14px}.steps p{margin-top:12px;font-size:16px}.about-grid{display:block}.about-brand{padding:0 0 40px}.about-logo{width:230px}.about-brand>p{display:none}.about-copy h2{font-size:34px}.about-copy>p:not(.eyebrow){font-size:16px;margin-top:20px}.detail-hero{padding:26px 0 35px}.back-link{font-size:12px;margin-bottom:28px}.detail-hero h1{font-size:40px;line-height:1.28}.detail-lead{font-size:18px;line-height:1.8;margin-top:22px}.detail-hero>.button{font-size:15px}.feature{grid-template-columns:1fr;gap:35px;padding:20px 0 60px}.feature h2{font-size:34px}.feature-copy>p:not(.eyebrow):not(.platform-label){font-size:16px;margin-top:21px}.platform-lockup{margin-bottom:25px}.ad-scene{min-height:430px}.ad-sheet{width:49%}.ad-sheet.front{left:10%}.ad-sheet.back{right:7%;top:24%}.creative-pair{grid-template-columns:1fr;gap:45px}.creative-pair .actual-figure{max-width:320px}.creative-pair h3{font-size:24px;margin-top:25px}.creative-pair p{font-size:16px}.proof-grid{grid-template-columns:1fr;gap:35px}.proof-grid h2{font-size:34px}.body-copy{font-size:17px}.platform-proof{max-width:340px}.service-rows{margin-top:32px}.service-rows>div{display:block;padding:25px 0}.service-rows dt{font-size:22px;margin-bottom:13px}.service-rows dd{font-size:16px}.detail-bottom{padding:60px 0 35px}.detail-bottom h2{font-size:34px}.detail-bottom>p:not(.eyebrow){font-size:17px}.related{gap:20px 27px;padding-bottom:55px}.reading-scene{min-height:440px}.reading-sheet{left:9%;width:65%;max-height:390px}.scene-annotation{right:13px;bottom:27px;padding:14px;font-size:11px}.scene-annotation strong{font-size:16px}.article-banner{grid-template-columns:1fr;gap:35px}.article-banner h2{font-size:32px}.article-banner>img{width:100%}.web-scene{min-height:320px;padding:38px 15px}.web-scene>.browser-frame{max-height:240px;width:93%}.phone-frame{width:28%;height:220px;border-width:4px;bottom:20px;right:12px;border-radius:17px}.three-columns{grid-template-columns:1fr;gap:30px;margin-top:40px}.three-columns h3{font-size:23px;margin-top:12px}.three-columns p{font-size:16px;margin-top:12px}.system-scene{padding:17px 10px;border-radius:15px}.browser-frame{padding-top:18px;border-radius:8px}.browser-frame:before{font-size:7px;top:1px}.article-head{padding:26px 0 38px}.article-head h1{font-size:40px}.article-deck{font-size:19px;margin-top:22px}.article-body{font-size:17px;line-height:2}.article-body h2{font-size:29px;margin-top:48px}.article-tail h2{font-size:29px}.article-index{grid-template-columns:1fr;gap:35px;padding-top:10px}.article-cover{height:350px;padding:30px 55px}.article-index h2{font-size:33px}.article-index p:not(.eyebrow){font-size:17px;margin-top:20px}.article-index .text-link{margin-top:24px}.account-intro{display:block}.account-intro h2{font-size:31px}.account-intro p:not(.platform-label){font-size:17px}.account-intro>img{width:200px;height:200px;margin:40px auto 0}.calculator-section{padding-block:58px}.calculator{display:block;padding:25px 22px;border-radius:18px}.calc-inputs{gap:19px 16px}.calc-inputs label{font-size:11px;line-height:1.6}.calc-inputs input{font-size:18px;padding:9px 10px}.calc-output{margin-top:35px;padding-top:28px;border-top:1px solid var(--line)}.calc-output dl{gap:24px 18px}.calc-result dt{font-size:11px}.calc-result output{font-size:28px}.calc-note{font-size:11px}.contact{display:block}.contact h2{font-size:38px}.contact-copy>p:not(.eyebrow){font-size:16px;margin-top:22px}.contact-method{font-size:14px!important}.contact-copy>.button{font-size:14px;margin-top:24px}.qr-block{width:100%;margin-top:45px}.qr-block img{width:190px}.footer-inner{gap:10px 19px}.footer-name{flex-basis:100%;font-size:16px}.footer-inner>p{flex-basis:100%;font-size:10px}dialog{padding:36px 25px}dialog h2{font-size:28px}.dialog-qr{width:185px}.privacy-dialog h2{font-size:25px}}
@media(max-width:350px){.wrap{width:calc(100% - 40px)}.hero h1{font-size:44px}.hero-intro{font-size:17px}.hero-actions{gap:20px}.hero-actions .button{padding-inline:18px}.section-head h2{font-size:28px}.detail-hero h1{font-size:34px}.feature h2,.proof-grid h2{font-size:31px}.ad-scene{min-height:355px}.reading-scene{min-height:390px}.scene-annotation{font-size:10px}.scene-annotation strong{font-size:14px}.article-cover{padding-inline:35px}.article-head h1{font-size:34px}.account-intro h2{font-size:27px}.calc-inputs{grid-template-columns:1fr}.calc-inputs label{font-size:12px}.calc-result output{font-size:25px}.calculator{padding:25px 21px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* v12: a visible Home link with a compact desktop navigation at tablet widths. */
#navigation>.nav-home[aria-current=page]{color:var(--navy);font-weight:600}
@media(min-width:761px) and (max-width:1050px){.nav-shell{gap:16px}#navigation{gap:18px;white-space:nowrap}}

/* v14 shared brand provenance and the company navigation role. */
#navigation>.nav-company[aria-current=page]{color:var(--navy);font-weight:600}
.company-landscape{margin:0}.company-landscape .art-window{height:180px;overflow:hidden;background:#e8dfc9;border-radius:14px}.company-landscape img{width:100%;height:100%;object-fit:cover;object-position:74% 50%;display:block}.company-landscape figcaption{display:flex;justify-content:space-between;gap:12px;font-size:10px;color:#796f5e;line-height:1.8;padding:12px 0 0}.company-landscape figcaption a{text-decoration:underline;text-underline-offset:3px}
@media(max-width:760px){.company-landscape .art-window{height:142px;border-radius:11px}.company-landscape figcaption{display:block;font-size:9px;padding-top:10px}.company-landscape figcaption>span{display:block;margin-top:3px}}

/* v16 cooperation detail entries reuse existing text links. */
.coop-detail-link{display:inline-flex;margin-left:25px}.company-contact>.text-link{display:inline-flex;margin-right:30px}@media(max-width:600px){.coop-detail-link{display:flex;margin-left:0;margin-top:16px}.company-contact>.text-link{display:flex;margin:0 0 24px}}

/* Text links use type, color and underline feedback; decorative link arrows removed. */
.text-link:hover,.art-inline-source:hover{text-decoration:underline;text-underline-offset:5px;text-decoration-thickness:1px}