/* roulang page: index */
:root{--blue:#1f5fbf;--blue-deep:#143e86;--blue-ink:#10284d;--blue-soft:#e7f0fb;--sky:#f4f8fd;--ink:#172536;--muted:#5c6d80;--line:#d7e3f0;--white:#fff;--amber:#e38a2a;--amber-soft:#fff4e8;--shadow:0 16px 40px rgba(20,62,134,.08);--shadow-soft:0 8px 24px rgba(20,62,134,.06);--radius:18px;--header:78px;--max:1160px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Be Vietnam Pro",sans-serif;color:var(--ink);background:var(--sky);line-height:1.75;font-size:16.5px}
img{max-width:100%;display:block;height:auto}
a{color:var(--blue-deep);text-decoration:none}
button,input{font-family:inherit}
p{margin:0 0 1rem}
.container{width:min(var(--max),calc(100% - 32px));margin:0 auto}
.site-header{position:fixed;top:0;left:0;right:0;z-index:50;height:var(--header);display:flex;align-items:center;background:rgba(10,28,52,.38);border-bottom:1px solid rgba(255,255,255,.22);box-shadow:0 10px 30px rgba(8,20,40,.08);backdrop-filter:blur(16px);transition:background .25s ease,box-shadow .25s ease,border-color .25s ease}
.site-header.is-stuck,.site-header.is-open{background:rgba(255,255,255,.96);border-bottom-color:var(--line);box-shadow:0 10px 28px rgba(16,40,77,.08)}
.header-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;width:min(var(--max),calc(100% - 32px))}
.logo{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;letter-spacing:-.02em;min-width:0}
.site-header.is-stuck .logo,.site-header.is-open .logo{color:var(--blue-ink)}
.logo-mark{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:#fff;color:var(--blue);font-weight:800;box-shadow:var(--shadow-soft);flex:0 0 auto}
.site-header.is-stuck .logo-mark,.site-header.is-open .logo-mark{background:var(--blue);color:#fff}
.logo-text{font-size:15px;line-height:1.2;white-space:nowrap}
.nav-toggle{display:none;border:1px solid rgba(255,255,255,.4);background:transparent;color:#fff;border-radius:12px;padding:8px 12px;font-weight:700;cursor:pointer}
.site-header.is-stuck .nav-toggle,.site-header.is-open .nav-toggle{color:var(--blue-ink);border-color:var(--line);background:#fff}
.nav-toggle:focus-visible,.btn:focus-visible,.nav-search input:focus-visible,a:focus-visible{outline:3px solid #8eb6f5;outline-offset:3px}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{color:rgba(255,255,255,.92);font-size:14px;font-weight:600;padding:8px 9px;border-radius:999px;transition:background .2s ease,color .2s ease}
.site-header.is-stuck .nav-links a,.site-header.is-open .nav-links a{color:var(--ink)}
.nav-links a:hover,.nav-links a:focus-visible{background:rgba(255,255,255,.16);color:#fff}
.site-header.is-stuck .nav-links a:hover,.site-header.is-open .nav-links a:hover{background:var(--blue-soft);color:var(--blue-deep)}
.nav-links a.active{background:rgba(255,255,255,.2);color:#fff}
.site-header.is-stuck .nav-links a.active,.site-header.is-open .nav-links a.active{background:var(--blue);color:#fff}
.nav-search{margin-left:8px}
.nav-search input{width:158px;border:1px solid rgba(255,255,255,.35);background:rgba(255,255,255,.16);color:#fff;border-radius:999px;padding:8px 12px;font-size:13px}
.site-header.is-stuck .nav-search input,.site-header.is-open .nav-search input{background:#fff;color:var(--ink);border-color:var(--line)}
.nav-search input::placeholder{color:rgba(255,255,255,.8)}
.site-header.is-stuck .nav-search input::placeholder,.site-header.is-open .nav-search input::placeholder{color:var(--muted)}
.hero{position:relative;min-height:760px;padding:138px 0 96px;background:linear-gradient(180deg,rgba(8,24,48,.78),rgba(16,48,96,.62)),url("/assets/images/f5e8df20ea2eda96.webp") center/cover no-repeat;color:#fff}
.hero-inner{max-width:820px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:999px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);font-size:13px;font-weight:700;letter-spacing:.02em}
.hero h1{margin:16px 0 12px;font-size:clamp(2rem,4.4vw,3.45rem);line-height:1.18;letter-spacing:-.03em;font-weight:800;color:#fff}
.pain-line{margin:0 0 14px;font-size:1.12rem;font-weight:650;color:#f3f7ff}
.lead{font-size:1.02rem;color:rgba(255,255,255,.92);max-width:74ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin:22px 0 28px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:999px;padding:13px 22px;font-weight:750;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background .2s ease}
.btn-primary{background:#fff;color:var(--blue-deep);box-shadow:0 10px 24px rgba(0,0,0,.16)}
.btn-primary:hover{transform:translateY(-2px);background:#f4f8ff}
.btn-primary:active{transform:translateY(0)}
.chip{display:inline-flex;align-items:center;gap:8px;padding:10px 14px;border-radius:14px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);font-size:14px}
.demo-stage{background:rgba(255,255,255,.96);color:var(--ink);border-radius:24px;box-shadow:0 24px 60px rgba(5,16,36,.28);overflow:hidden;border:1px solid rgba(255,255,255,.5)}
.demo-top{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px;border-bottom:1px solid var(--line);background:#f8fbff}
.dots{display:flex;gap:6px}
.dots i{width:9px;height:9px;border-radius:50%;background:#c5d5ea;display:block}
.dots i:first-child{background:#ef7d7d}.dots i:nth-child(2){background:#f0c14d}.dots i:nth-child(3){background:#69c18a}
.live-dot{color:var(--blue);font-weight:700;font-size:13px}
.demo-body{display:grid;grid-template-columns:1.5fr .9fr;gap:12px;padding:12px;background:#eef4fb}
.demo-main,.demo-side img{border-radius:16px;width:100%;height:100%;object-fit:cover}
.demo-main{min-height:280px}
.demo-side{display:grid;gap:12px}
.demo-side img{height:134px}
.demo-pills{display:flex;flex-wrap:wrap;gap:8px;padding:0 12px 14px;background:#eef4fb;margin:0;list-style:none}
.demo-pills li{background:#fff;border-radius:999px;padding:7px 12px;font-size:13px;font-weight:650;color:var(--blue-deep);box-shadow:var(--shadow-soft)}
.section{padding:84px 0}
.section h2{margin:0 0 12px;font-size:clamp(1.6rem,3vw,2.25rem);line-height:1.25;letter-spacing:-.03em;color:var(--blue-ink)}
.section-lead{max-width:78ch;color:var(--muted);margin-bottom:28px}
.campaign{margin-top:-52px;position:relative;z-index:3;padding-top:0}
.campaign-shell{background:#fff;border-radius:28px;box-shadow:var(--shadow);padding:22px;border:1px solid #edf2f8}
.time-bar{display:flex;justify-content:space-between;gap:12px;align-items:center;background:linear-gradient(90deg,#143e86,#1f5fbf 55%,#e38a2a);color:#fff;border-radius:16px;padding:14px 16px;margin-bottom:16px}
.time-bar strong{font-size:1.05rem}
.time-bar span{background:rgba(255,255,255,.16);border-radius:999px;padding:6px 10px;font-size:13px;font-weight:700}
.block{border-radius:20px;padding:20px;min-height:220px;height:100%;box-shadow:var(--shadow-soft)}
.block b{display:block;font-size:2rem;letter-spacing:-.04em;line-height:1;margin-bottom:8px}
.block h3{margin:0 0 8px;font-size:1.15rem}
.block p{margin:0;font-size:.98rem}
.b1{background:#1f5fbf;color:#fff}.b2{background:#e7f0fb;color:var(--blue-ink)}.b3{background:#10284d;color:#fff}.b4{background:var(--amber-soft);color:#7a4a10;border:1px solid #ffd7ad}
.band{background:#fff}
.band-alt{background:transparent}
.split{align-items:center}
.issue{display:flex;gap:14px;padding:16px 0;border-top:1px solid var(--line)}
.issue:first-child{border-top:0}
.issue-no{width:42px;height:42px;border-radius:14px;background:var(--blue-soft);color:var(--blue);display:grid;place-items:center;font-weight:800;flex:0 0 auto}
.issue h3{margin:0 0 4px;font-size:1.05rem}
.issue p{margin:0;color:var(--muted)}
.photo-frame{position:relative;border-radius:24px;overflow:hidden;box-shadow:var(--shadow);min-height:320px}
.photo-frame img{width:100%;height:100%;object-fit:cover;min-height:360px}
.photo-note{position:absolute;left:16px;right:16px;bottom:16px;background:rgba(255,255,255,.94);border-radius:16px;padding:14px 16px;box-shadow:var(--shadow-soft)}
.photo-note strong{display:block;color:var(--blue-ink)}
.bento{display:grid;grid-template-columns:1.4fr 1fr;gap:16px}
.bento article{background:#fff;border-radius:22px;overflow:hidden;box-shadow:var(--shadow);border:1px solid #edf3fa}
.bento img{width:100%;height:210px;object-fit:cover}
.bento-copy{padding:16px 18px 18px}
.bento h3{margin:0 0 6px;font-size:1.12rem}
.bento p{margin:0;color:var(--muted)}
.bento-side{display:grid;gap:16px}
.bento-side article{display:grid;grid-template-columns:118px 1fr}
.bento-side img{height:100%;min-height:150px}
.step-rail{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;counter-reset:step}
.step{background:#fff;border-radius:22px;padding:22px;box-shadow:var(--shadow);border-top:5px solid var(--blue);min-height:240px}
.step-no{width:46px;height:46px;border-radius:50%;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:800;margin-bottom:12px}
.step h3{margin:0 0 8px;font-size:1.12rem}
.step p{margin:0;color:var(--muted)}
.device-board{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:14px}
.device{background:#fff;border-radius:22px;padding:20px;box-shadow:var(--shadow);border:1px solid #e8eef6;min-height:230px}
.device i{font-size:1.4rem;color:var(--blue);margin-bottom:10px}
.device h3{margin:0 0 8px;font-size:1.08rem}
.device p{margin:0;color:var(--muted)}
.device.wide{background:var(--blue-ink);color:#fff}
.device.wide p{color:rgba(255,255,255,.84)}
.device.wide i{color:#ffd7ad}
.metrics{background:var(--blue-ink);color:#fff}
.metrics h2,.metrics .section-lead{color:#fff}
.metrics .section-lead{color:rgba(255,255,255,.8)}
.metric{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:20px;padding:18px;height:100%}
.metric b{display:block;font-size:2rem;letter-spacing:-.04em}
.metric span{display:block;font-weight:700;margin:4px 0 8px}
.metric p{margin:0;color:rgba(255,255,255,.78)}
.review-wall{display:grid;grid-template-columns:1.15fr .85fr;gap:16px}
.review{background:#fff;border-radius:22px;padding:20px;box-shadow:var(--shadow);border:1px solid #edf2f8}
.review.feature{background:url("/assets/images/69f50e3e1cb5c1f7.webp") center/cover no-repeat;color:#fff;min-height:100%;position:relative}
.review.feature::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(16,40,77,.2),rgba(16,40,77,.78));border-radius:22px}
.review.feature .review-body{position:relative}
.stars{color:#f0b429;letter-spacing:2px;font-size:14px}
.review h3{margin:8px 0;font-size:1.05rem}
.review p{margin:0}
.who{display:block;margin-top:12px;font-weight:700}
.stack{display:grid;gap:16px}
.audience-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:16px}
.person{background:#fff;border-radius:22px;overflow:hidden;box-shadow:var(--shadow);border:1px solid #edf2f8}
.person img{width:100%;height:180px;object-fit:cover}
.person div{padding:16px 18px 18px}
.person h3{margin:0 0 6px;font-size:1.08rem}
.person p{margin:0;color:var(--muted)}
.person.span{grid-column:span 1}
.spec-list{background:#fff;border-radius:24px;box-shadow:var(--shadow);overflow:hidden;border:1px solid #edf2f8}
.spec-row{display:grid;grid-template-columns:220px 1fr;gap:12px;padding:16px 18px;border-top:1px solid var(--line)}
.spec-row:first-child{border-top:0}
.spec-row span{font-weight:800;color:var(--blue-deep)}
.spec-row p{margin:0;color:var(--muted)}
.log-item{display:grid;grid-template-columns:120px 1fr;gap:16px;padding:8px 0 18px}
.log-item time{font-weight:800;color:var(--blue)}
.log-card{background:#fff;border-radius:18px;padding:16px 18px;box-shadow:var(--shadow-soft);border-left:4px solid var(--blue)}
.log-card h3{margin:0 0 6px;font-size:1.05rem}
.log-card p{margin:0;color:var(--muted)}
.pledge{background:linear-gradient(180deg,rgba(244,248,253,.94),rgba(244,248,253,.92)),url("/assets/images/7e0904303d910fc7.webp") center/cover no-repeat}
.pledge-item{background:#fff;border-radius:20px;padding:18px;height:100%;box-shadow:var(--shadow);border:1px solid #edf2f8}
.pledge-item i{color:var(--blue);font-size:1.3rem}
.pledge-item h3{margin:8px 0;font-size:1.05rem}
.pledge-item p{margin:0;color:var(--muted)}
.mile-track{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.mile{background:#fff;border-radius:20px;padding:18px;box-shadow:var(--shadow);min-height:230px;position:relative}
.mile::before{content:"";position:absolute;left:22px;right:-14px;top:32px;height:2px;background:#d5e4f7}
.mile:last-child::before{display:none}
.mile em{position:relative;display:inline-grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--blue);color:#fff;font-style:normal;font-weight:800;font-size:13px;margin-bottom:14px}
.mile h3{margin:0 0 8px;font-size:1.05rem}
.mile p{margin:0;color:var(--muted)}
.news-item{display:grid;grid-template-columns:210px 1fr;gap:16px;background:#fff;border-radius:22px;overflow:hidden;box-shadow:var(--shadow);margin-bottom:14px;border:1px solid #edf2f8}
.news-item img{width:100%;height:100%;object-fit:cover;min-height:160px}
.news-item div{padding:16px 16px 16px 0}
.news-item h3{margin:0 0 6px;font-size:1.08rem}
.news-item p{margin:0;color:var(--muted)}
.tag{display:inline-block;background:var(--blue-soft);color:var(--blue-deep);border-radius:999px;padding:3px 8px;font-size:12px;font-weight:800;margin-bottom:6px}
.more-link{display:inline-flex;margin-top:8px;font-weight:800;color:var(--blue);border-bottom:2px solid #c9dbf5;padding-bottom:2px}
.more-link:hover{color:var(--blue-deep);border-color:var(--blue)}
.channel{display:block;background:#fff;border-radius:20px;padding:18px;height:100%;box-shadow:var(--shadow-soft);border:1px solid #e7eef7;transition:transform .2s ease,box-shadow .2s ease}
.channel:hover{transform:translateY(-3px);box-shadow:var(--shadow);color:var(--blue-ink)}
.channel h3{margin:8px 0;font-size:1.05rem;color:var(--blue-ink)}
.channel p{margin:0;color:var(--muted)}
.channel i{color:var(--amber)}
.sum-item{background:#fff;border-radius:20px;padding:18px;box-shadow:var(--shadow);height:100%;border-bottom:4px solid var(--blue)}
.sum-item b{color:var(--blue);font-size:1.3rem}
.sum-item h3{margin:6px 0;font-size:1.02rem}
.sum-item p{margin:0;color:var(--muted)}
.myth{display:grid;grid-template-columns:1fr 1fr;gap:0;background:#fff;border-radius:20px;overflow:hidden;box-shadow:var(--shadow);margin-bottom:12px;border:1px solid #edf2f8}
.myth div{padding:16px 18px}
.myth h3{margin:0 0 6px;font-size:1rem}
.myth p{margin:0;color:var(--muted)}
.myth-bad{background:#f7fafc}
.myth-good{background:#f3f8ff}
.kicker{font-size:12px;font-weight:800;letter-spacing:.04em;text-transform:uppercase;color:var(--amber)}
.site-footer{background:#10243f;color:rgba(255,255,255,.86);padding:42px 0 28px}
.site-footer .logo{color:#fff}
.site-footer .logo-mark{background:#fff;color:var(--blue)}
.site-footer a{color:#fff;font-weight:700}
.site-footer a:hover{color:#ffd7ad}
.foot-meta{text-align:right}
.fine{color:rgba(255,255,255,.7);font-size:14px}
@media(max-width:1024px){
.nav-toggle{display:inline-flex}
.nav-links{display:none;position:absolute;top:var(--header);left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;padding:12px 16px 18px;box-shadow:var(--shadow);border-bottom:1px solid var(--line);max-height:calc(100vh - var(--header));overflow:auto}
.site-header.is-open .nav-links{display:flex}
.nav-links a{color:var(--ink);padding:12px}
.nav-links a.active{background:var(--blue);color:#fff}
.nav-search{margin:8px 0 0}
.nav-search input{width:100%;color:var(--ink);background:#f4f8fd;border-color:var(--line)}
.nav-search input::placeholder{color:var(--muted)}
.bento,.review-wall,.device-board,.mile-track,.audience-grid{grid-template-columns:1fr 1fr}
.device-board{grid-template-columns:1fr 1fr}
.step-rail{grid-template-columns:1fr}
.demo-body{grid-template-columns:1fr}
.demo-side{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
.section{padding:64px 0}
.hero{padding:120px 0 78px;min-height:0}
.bento,.bento-side article,.review-wall,.audience-grid,.mile-track,.device-board,.news-item,.myth,.spec-row,.log-item{grid-template-columns:1fr}
.news-item div{padding:0 16px 16px}
.bento-side img,.news-item img{height:190px}
.foot-meta{text-align:left;margin-top:16px}
.time-bar{flex-direction:column;align-items:flex-start}
.mile::before{display:none}
}
@media(max-width:520px){
.container,.header-bar{width:min(var(--max),calc(100% - 20px))}
.logo-text{font-size:13px}
.hero h1{font-size:1.85rem}
.hero-actions .btn,.chip{width:100%}
.demo-side{grid-template-columns:1fr}
.color-blocks .cell{width:100%}
.campaign-shell{padding:14px}
.block{min-height:0}
}

/* roulang page: category2 */
:root{--blue:#1f5fbf;--blue-deep:#143e86;--blue-ink:#10284d;--blue-soft:#e7f0fb;--sky:#f4f8fd;--ink:#172536;--muted:#5c6d80;--line:#d7e3f0;--white:#fff;--amber:#e38a2a;--amber-soft:#fff4e8;--shadow:0 16px 40px rgba(20,62,134,.08);--shadow-soft:0 8px 24px rgba(20,62,134,.06);--radius:18px;--header:78px;--max:1160px}
/* roulang page: category2 */
:root{--blue:#1f5fbf;--blue-deep:#143e86;--blue-ink:#10284d;--blue-soft:#e7f0fb;--sky:#f4f8fd;--ink:#172536;--muted:#5c6d80;--line:#d7e3f0;--white:#fff;--amber:#e38a2a;--amber-soft:#fff4e8;--shadow:0 16px 40px rgba(20,62,134,.08);--shadow-soft:0 8px 24px rgba(20,62,134,.06);--radius:18px;--header:78px;--max:1160px}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Be Vietnam Pro",sans-serif;color:var(--ink);background:var(--sky);line-height:1.75;font-size:16.5px;overflow-x:hidden}
img{max-width:100%;display:block;height:auto}
a{color:var(--blue-deep);text-decoration:none}
a:hover{color:var(--blue)}
button,input,select{font-family:inherit}
h1,h2,h3,p{margin-top:0}
.container{width:min(var(--max),calc(100% - 32px));margin:0 auto}
.site-header{position:fixed;top:0;left:0;right:0;z-index:50;height:var(--header);display:flex;align-items:center;justify-content:center;background:rgba(10,28,52,.38);border-bottom:1px solid rgba(255,255,255,.22);box-shadow:0 10px 30px rgba(8,20,40,.08);backdrop-filter:blur(16px);transition:background .25s ease,box-shadow .25s ease,border-color .25s ease}
.site-header.is-stuck,.site-header.is-open{background:rgba(255,255,255,.96);border-bottom-color:var(--line);box-shadow:0 10px 28px rgba(16,40,77,.08)}
.header-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;width:min(var(--max),calc(100% - 32px))}
.logo{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;letter-spacing:-.02em;min-width:0}
.site-header.is-stuck .logo,.site-header.is-open .logo{color:var(--blue-ink)}
.logo-mark{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:#fff;color:var(--blue);font-weight:800;box-shadow:var(--shadow-soft);flex:0 0 auto}
.site-header.is-stuck .logo-mark,.site-header.is-open .logo-mark{background:var(--blue);color:#fff}
.logo-text{font-size:15px;line-height:1.2;white-space:nowrap}
.nav-toggle{display:none;border:1px solid rgba(255,255,255,.4);background:transparent;color:#fff;border-radius:12px;padding:8px 12px;font-weight:700;cursor:pointer}
.site-header.is-stuck .nav-toggle,.site-header.is-open .nav-toggle{color:var(--blue-ink);border-color:var(--line);background:#fff}
.nav-toggle:focus-visible,.btn:focus-visible,.nav-search input:focus-visible,a:focus-visible,select:focus-visible{outline:3px solid #8eb6f5;outline-offset:3px}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{color:rgba(255,255,255,.92);font-size:14px;font-weight:600;padding:8px 9px;border-radius:999px;transition:background .2s ease,color .2s ease}
.site-header.is-stuck .nav-links a,.site-header.is-open .nav-links a{color:var(--ink)}
.nav-links a:hover,.nav-links a:focus-visible{background:rgba(255,255,255,.16);color:#fff}
.site-header.is-stuck .nav-links a:hover,.site-header.is-open .nav-links a:hover{background:var(--blue-soft);color:var(--blue-deep)}
.nav-links a.active{background:rgba(255,255,255,.2);color:#fff}
.site-header.is-stuck .nav-links a.active,.site-header.is-open .nav-links a.active{background:var(--blue);color:#fff}
.nav-search{margin-left:8px}
.nav-search input{width:158px;border:1px solid rgba(255,255,255,.35);background:rgba(255,255,255,.16);color:#fff;border-radius:999px;padding:8px 12px;font-size:13px}
.site-header.is-stuck .nav-search input,.site-header.is-open .nav-search input{background:#fff;color:var(--ink);border-color:var(--line)}
.nav-search input::placeholder{color:rgba(255,255,255,.8)}
.site-header.is-stuck .nav-search input::placeholder,.site-header.is-open .nav-search input::placeholder{color:var(--muted)}
.hero{position:relative;min-height:760px;padding:138px 0 96px;background:linear-gradient(180deg,rgba(8,24,48,.78),rgba(16,48,96,.62)),url("/assets/images/f5e8df20ea2eda96.webp") center/cover no-repeat;color:#fff}
.hero-inner{max-width:820px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:999px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);font-size:13px;font-weight:700;letter-spacing:.02em}
.hero h1{margin:16px 0 12px;font-size:clamp(2rem,4.4vw,3.45rem);line-height:1.18;letter-spacing:-.03em;font-weight:800;color:#fff}
.lead{font-size:1.02rem;color:rgba(255,255,255,.92);max-width:74ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin:22px 0 28px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:999px;padding:13px 22px;font-weight:700;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background .2s ease}
.btn-primary{background:#fff;color:var(--blue-deep);box-shadow:0 10px 24px rgba(0,0,0,.16)}
.btn-primary:hover{transform:translateY(-2px);background:#f4f8ff;color:var(--blue-ink)}
.btn-primary:active{transform:translateY(0)}
.btn-blue{background:var(--blue);color:#fff;box-shadow:0 10px 24px rgba(31,95,191,.22)}
.btn-blue:hover{transform:translateY(-2px);background:var(--blue-deep);color:#fff}
.btn-blue:active{transform:translateY(0)}
.chip{display:inline-flex;align-items:center;gap:8px;padding:10px 14px;border-radius:14px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);font-size:14px}
.demo-stage{background:rgba(255,255,255,.96);color:var(--ink);border-radius:24px;box-shadow:0 24px 60px rgba(5,16,36,.28);overflow:hidden;border:1px solid rgba(255,255,255,.5)}
.demo-body{display:grid;grid-template-columns:1.5fr .9fr;gap:12px;padding:12px;background:#eef4fb}
.demo-main,.demo-side img{border-radius:16px;width:100%;height:100%;object-fit:cover}
.demo-main{min-height:280px}
.demo-side img{height:134px}
.demo-pills{display:flex;flex-wrap:wrap;gap:8px;padding:0 12px 14px;background:#eef4fb;margin:0;list-style:none}
.demo-pills li{background:#fff;border-radius:999px;padding:7px 12px;font-size:13px;font-weight:600;color:var(--blue-deep);box-shadow:var(--shadow-soft)}
.section{padding:84px 0}
.section h2{margin:0 0 12px;font-size:clamp(1.6rem,3vw,2.25rem);line-height:1.25;letter-spacing:-.03em;color:var(--blue-ink);font-weight:800}
.section-lead{max-width:78ch;color:var(--muted);margin-bottom:28px}
.photo-frame img{width:100%;height:100%;object-fit:cover;min-height:360px}
.bento img{width:100%;height:210px;object-fit:cover}
.bento-side img{height:100%;min-height:150px}
.metrics h2,.metrics .section-lead{color:#fff}
.metrics .section-lead{color:rgba(255,255,255,.8)}
.review.feature{background:url("/assets/images/69f50e3e1cb5c1f7.webp") center/cover no-repeat;color:#fff;min-height:100%;position:relative}
.review.feature::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(16,40,77,.2),rgba(16,40,77,.78));border-radius:22px}
.review.feature .review-body{position:relative}
.audience-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:16px}
.person img{width:100%;height:180px;object-fit:cover}
.spec-list{background:#fff;border-radius:24px;box-shadow:var(--shadow);overflow:hidden;border:1px solid #edf2f8}
.spec-row{display:grid;grid-template-columns:220px 1fr;gap:12px;padding:16px 18px;border-bottom:1px solid var(--line);align-items:center}
.spec-row:last-child{border-bottom:0}
.spec-row strong{color:var(--blue-ink);font-weight:700}
.spec-row span{color:var(--muted)}
.install-mast{position:relative;padding:132px 0 72px;color:#fff;background:linear-gradient(100deg,rgba(8,24,48,.9),rgba(20,62,134,.62)),url("/assets/images/7e0904303d910fc7.webp") center/cover no-repeat}
.install-mast h1{margin:14px 0 12px;font-size:clamp(2rem,4vw,3.15rem);line-height:1.18;letter-spacing:-.03em;font-weight:800;color:#fff}
.mast-card{margin:0;background:#fff;color:var(--ink);border-radius:24px;overflow:hidden;box-shadow:0 24px 60px rgba(5,16,36,.28);border:1px solid rgba(255,255,255,.55)}
.mast-card img{width:100%;height:320px;object-fit:cover}
.mast-card figcaption{display:flex;justify-content:space-between;gap:12px;padding:14px 16px;font-weight:700;color:var(--blue-ink);font-size:14px}
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;background:var(--amber-soft);color:#9a5410;font-size:12px;font-weight:700}
.band-white{background:#fff}
.photo-frame{border-radius:24px;overflow:hidden;box-shadow:var(--shadow);min-height:100%;background:#d7e3f0}
.photo-frame img{border-radius:24px}
.kicker{color:var(--blue);font-weight:700;font-size:13px;letter-spacing:.04em;text-transform:uppercase;margin-bottom:8px}
.path-main,.path-side,.step-card,.state-row,.note-item,.ask-card,.metric-card{background:#fff;border:1px solid #edf2f8;border-radius:var(--radius);box-shadow:var(--shadow-soft)}
.path-main{padding:22px;display:grid;grid-template-columns:1.1fr .9fr;gap:18px;align-items:center}
.path-main img,.path-side img,.note-item img{width:100%;object-fit:cover;border-radius:14px}
.path-main img{height:230px}
.path-side{padding:18px;margin-top:16px}
.path-side img{height:120px;margin-bottom:12px}
.path-main h3,.path-side h3,.note-item h3,.ask-card h2{margin:0 0 8px;color:var(--blue-ink);letter-spacing:-.02em}
.step-rail{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.step-card{padding:18px 16px;min-height:100%}
.step-no{width:42px;height:42px;border-radius:14px;display:grid;place-items:center;background:var(--blue-soft);color:var(--blue-deep);font-weight:800;margin-bottom:12px}
.step-card h3{font-size:1.02rem;margin:0 0 8px;color:var(--blue-ink)}
.step-card p,.path-main p,.path-side p,.note-item p,.state-row p{color:var(--muted);margin:0}
.metrics{background:linear-gradient(180deg,#143e86,#1f5fbf);color:#fff}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.metric-card{padding:20px;background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.16);box-shadow:none;color:#fff}
.metric-card b{display:block;font-size:1.7rem;letter-spacing:-.03em;line-height:1.2}
.metric-card span{color:rgba(255,255,255,.82);font-size:14px}
.verify-copy{padding:8px 8px 8px 0}
.check-list{list-style:none;margin:18px 0 0;padding:0}
.check-list li{position:relative;padding:10px 0 10px 32px;border-bottom:1px solid var(--line);color:var(--ink)}
.check-list li:last-child{border-bottom:0}
.check-list i{position:absolute;left:0;top:14px;color:var(--blue)}
.review.feature{border-radius:22px;overflow:hidden;min-height:280px;box-shadow:var(--shadow)}
.review-body{padding:28px 22px;height:100%;display:flex;flex-direction:column;justify-content:flex-end}
.review-body p{color:#fff;font-size:1.12rem;line-height:1.6;margin:0 0 12px}
.review-body cite{font-style:normal;font-weight:700;color:#fff}
.state-list{display:flex;flex-direction:column;gap:12px}
.state-row{display:grid;grid-template-columns:180px 1fr;gap:16px;padding:16px 18px;align-items:center}
.state-tag{display:inline-flex;align-items:center;gap:8px;font-weight:800;color:var(--blue-deep)}
.note-list{display:flex;flex-direction:column;gap:14px}
.note-item{display:grid;grid-template-columns:210px 1fr;gap:16px;padding:12px;align-items:center}
.note-item img{height:132px}
.note-date{color:var(--amber);font-weight:700;font-size:13px}
.ask-card{padding:28px}
.ask-form{display:grid;gap:12px}
.ask-form label{font-weight:700;color:var(--blue-ink);font-size:14px}
.ask-form select{width:100%;border:1px solid var(--line);background:#fff;border-radius:12px;padding:12px 14px;color:var(--ink);margin-top:6px}
.ask-result{margin-top:14px;padding:14px 16px;border-radius:14px;background:var(--blue-soft);color:var(--blue-ink);font-weight:600}
.site-footer{background:var(--blue-ink);color:#d5e4f5;padding:48px 0 36px}
.site-footer .logo{color:#fff}
.site-footer .logo-mark{background:#fff;color:var(--blue)}
.site-footer p{color:#d5e4f5;margin-bottom:10px}
.site-footer a{color:#fff;font-weight:700}
.site-footer a:hover{color:#fff;text-decoration:underline}
.foot-meta{text-align:right}
.fine{font-size:13px;color:#b7cbe4}
.empty-note{display:none;padding:16px;border-radius:14px;background:#fff;border:1px dashed var(--line);color:var(--muted)}
@media (max-width:1100px){
.nav-toggle{display:inline-flex}
.nav-links{display:none;position:absolute;top:var(--header);left:0;right:0;flex-direction:column;align-items:stretch;gap:6px;padding:12px 16px 18px;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 18px 30px rgba(16,40,77,.08)}
.site-header.is-open .nav-links{display:flex}
.nav-links a{color:var(--ink)}
.nav-links a:hover,.nav-links a:focus-visible{background:var(--blue-soft);color:var(--blue-deep)}
.nav-links a.active{background:var(--blue);color:#fff}
.nav-search{margin:8px 0 0}
.nav-search input{width:100%;background:#fff;color:var(--ink);border-color:var(--line)}
.nav-search input::placeholder{color:var(--muted)}
.step-rail{grid-template-columns:repeat(3,1fr)}
.metric-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
.section{padding:64px 0}
.install-mast{padding:118px 0 48px}
.path-main,.note-item,.state-row,.spec-row{grid-template-columns:1fr}
.mast-card img,.path-main img{height:220px}
.step-rail{grid-template-columns:1fr 1fr}
.foot-meta{text-align:left;margin-top:18px}
.photo-frame img{min-height:240px}
}
@media (max-width:520px){
.logo-text{font-size:13px}
.header-bar{gap:8px}
.install-mast h1{font-size:1.85rem}
.step-rail,.metric-grid,.audience-grid{grid-template-columns:1fr}
.hero-actions,.mast-card figcaption{align-items:flex-start}
.mast-card figcaption{flex-direction:column}
.btn,.chip{width:100%}
.section{padding:52px 0}
}

/* roulang page: category1 */
:root{--blue:#1f5fbf;--blue-deep:#143e86;--blue-ink:#10284d;--blue-soft:#e7f0fb;--sky:#f4f8fd;--ink:#172536;--muted:#5c6d80;--line:#d7e3f0;--white:#fff;--amber:#e38a2a;--amber-soft:#fff4e8;--shadow:0 16px 40px rgba(20,62,134,.08);--shadow-soft:0 8px 24px rgba(20,62,134,.06);--radius:18px;--header:78px;--max:1160px}
html{scroll-behavior:smooth}
*,*::before,*::after{box-sizing:border-box}
body{margin:0;font-family:"Be Vietnam Pro",sans-serif;color:var(--ink);background:var(--sky);line-height:1.75;font-size:16.5px;overflow-x:hidden}
img{max-width:100%;display:block;height:auto}
a{color:var(--blue-deep);text-decoration:none}
button,input{font-family:inherit}
p{margin:0 0 12px}
h1,h2,h3,h4{letter-spacing:-.03em;line-height:1.25}
[hidden]{display:none !important}
.container{width:min(var(--max),calc(100% - 32px));margin:0 auto}
.site-header{position:fixed;top:0;left:0;right:0;z-index:50;height:var(--header);display:flex;align-items:center;background:rgba(10,28,52,.38);border-bottom:1px solid rgba(255,255,255,.22);box-shadow:0 10px 30px rgba(8,20,40,.08);backdrop-filter:blur(16px);transition:background .25s ease,box-shadow .25s ease,border-color .25s ease}
.site-header.is-stuck,.site-header.is-open{background:rgba(255,255,255,.96);border-bottom-color:var(--line);box-shadow:0 10px 28px rgba(16,40,77,.08)}
.header-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;width:min(var(--max),calc(100% - 32px))}
.logo{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;letter-spacing:-.02em;min-width:0}
.site-header.is-stuck .logo,.site-header.is-open .logo{color:var(--blue-ink)}
.logo-mark{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:#fff;color:var(--blue);font-weight:800;box-shadow:var(--shadow-soft);flex:0 0 auto}
.site-header.is-stuck .logo-mark,.site-header.is-open .logo-mark{background:var(--blue);color:#fff}
.logo-text{font-size:15px;line-height:1.2;white-space:nowrap}
.nav-toggle{display:none;border:1px solid rgba(255,255,255,.4);background:transparent;color:#fff;border-radius:12px;padding:8px 12px;font-weight:700;cursor:pointer}
.site-header.is-stuck .nav-toggle,.site-header.is-open .nav-toggle{color:var(--blue-ink);border-color:var(--line);background:#fff}
.nav-toggle:hover{background:rgba(255,255,255,.16)}
.nav-toggle:focus-visible,.btn:focus-visible,.nav-search input:focus-visible,a:focus-visible{outline:3px solid #8eb6f5;outline-offset:3px}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{color:rgba(255,255,255,.92);font-size:14px;font-weight:600;padding:8px 9px;border-radius:999px;transition:background .2s ease,color .2s ease}
.site-header.is-stuck .nav-links a,.site-header.is-open .nav-links a{color:var(--ink)}
.nav-links a:hover,.nav-links a:focus-visible{background:rgba(255,255,255,.16);color:#fff}
.site-header.is-stuck .nav-links a:hover,.site-header.is-open .nav-links a:hover{background:var(--blue-soft);color:var(--blue-deep)}
.nav-links a.active{background:rgba(255,255,255,.2);color:#fff}
.site-header.is-stuck .nav-links a.active,.site-header.is-open .nav-links a.active{background:var(--blue);color:#fff}
.nav-search{margin-left:8px}
.nav-search input{width:158px;border:1px solid rgba(255,255,255,.35);background:rgba(255,255,255,.16);color:#fff;border-radius:999px;padding:8px 12px;font-size:13px}
.site-header.is-stuck .nav-search input,.site-header.is-open .nav-search input{background:#fff;color:var(--ink);border-color:var(--line)}
.nav-search input::placeholder{color:rgba(255,255,255,.8)}
.site-header.is-stuck .nav-search input::placeholder,.site-header.is-open .nav-search input::placeholder{color:var(--muted)}
.hero{position:relative;min-height:760px;padding:138px 0 96px;background:linear-gradient(180deg,rgba(8,24,48,.78),rgba(16,48,96,.62)),url("/assets/images/f5e8df20ea2eda96.webp") center/cover no-repeat;color:#fff}
.hero-inner{max-width:820px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:999px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);font-size:13px;font-weight:700;letter-spacing:.02em}
.hero h1{margin:16px 0 12px;font-size:clamp(2rem,4.4vw,3.45rem);line-height:1.18;letter-spacing:-.03em;font-weight:800;color:#fff}
.lead{font-size:1.02rem;color:rgba(255,255,255,.92);max-width:74ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin:22px 0 28px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:999px;padding:13px 22px;font-weight:700;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease}
.btn-primary{background:#fff;color:var(--blue-deep);box-shadow:0 10px 24px rgba(0,0,0,.16)}
.btn-primary:hover{transform:translateY(-2px);background:#f4f8ff}
.btn-primary:active{transform:translateY(0)}
.btn-line{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.45)}
.btn-line:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}
.btn-amber{background:var(--amber);color:#fff;box-shadow:0 10px 24px rgba(227,138,42,.28)}
.btn-amber:hover{transform:translateY(-2px);background:#cf7416}
.chip{display:inline-flex;align-items:center;gap:8px;padding:10px 14px;border-radius:14px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);font-size:14px}
.demo-stage{background:rgba(255,255,255,.96);color:var(--ink);border-radius:24px;box-shadow:0 24px 60px rgba(5,16,36,.28);overflow:hidden;border:1px solid rgba(255,255,255,.5)}
.demo-body{display:grid;grid-template-columns:1.5fr .9fr;gap:12px;padding:12px;background:#eef4fb}
.demo-main,.demo-side img{border-radius:16px;width:100%;height:100%;object-fit:cover}
.demo-main{min-height:280px}
.demo-side img{height:134px}
.demo-pills{display:flex;flex-wrap:wrap;gap:8px;padding:0 12px 14px;background:#eef4fb;margin:0;list-style:none}
.demo-pills li{background:#fff;border-radius:999px;padding:7px 12px;font-size:13px;font-weight:650;color:var(--blue-deep);box-shadow:var(--shadow-soft)}
.section{padding:84px 0}
.section h2{margin:0 0 12px;font-size:clamp(1.6rem,3vw,2.25rem);line-height:1.25;letter-spacing:-.03em;color:var(--blue-ink);text-align:left}
.section-lead{max-width:78ch;color:var(--muted);margin-bottom:28px}
.photo-frame img{width:100%;height:100%;object-fit:cover;min-height:360px}
.bento img{width:100%;height:210px;object-fit:cover}
.bento-side img{height:100%;min-height:150px}
.metrics{background:linear-gradient(160deg,#10284d,#1f5fbf 70%);color:#fff}
.metrics h2,.metrics .section-lead{color:#fff}
.metrics .section-lead{color:rgba(255,255,255,.8)}
.review.feature{background:url("/assets/images/69f50e3e1cb5c1f7.webp") center/cover no-repeat;color:#fff;min-height:100%;position:relative}
.review.feature::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(16,40,77,.2),rgba(16,40,77,.78));border-radius:22px}
.review.feature .review-body{position:relative}
.audience-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:16px}
.person img{width:100%;height:180px;object-fit:cover}
.spec-list{background:#fff;border-radius:24px;box-shadow:var(--shadow);overflow:hidden;border:1px solid #edf2f8}
.spec-row{display:grid;grid-template-columns:220px 1fr;gap:12px;padding:16px 18px;border-bottom:1px solid var(--line);align-items:start}
.spec-row:last-child{border-bottom:0}
.spec-row strong{color:var(--blue-ink);font-size:15px}
.spec-row span{color:var(--muted)}
.kicker{display:inline-flex;align-items:center;gap:8px;margin-bottom:12px;padding:5px 11px;border-radius:999px;background:var(--blue-soft);color:var(--blue-deep);font-size:13px;font-weight:700}
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;background:var(--blue-soft);color:var(--blue-deep);font-size:12px;font-weight:700}
.badge-amber{background:var(--amber-soft);color:#9a5410}
.page-hero{position:relative;padding:132px 0 72px;color:#fff;background:linear-gradient(105deg,rgba(8,22,46,.9),rgba(20,62,134,.58)),url("/assets/images/23c921bd438534f7.webp") center/cover no-repeat}
.page-hero h1{margin:14px 0 12px;font-size:clamp(2rem,4vw,3.3rem);line-height:1.16;font-weight:800;color:#fff;max-width:16ch}
.page-hero .lead{margin-bottom:0}
.hero-panel{background:#fff;color:var(--ink);border-radius:24px;overflow:hidden;box-shadow:0 24px 60px rgba(5,16,36,.28);border:1px solid rgba(255,255,255,.55)}
.hero-panel img{width:100%;height:230px;object-fit:cover}
.index-list{list-style:none;margin:0;padding:8px}
.index-list a{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 12px;border-radius:14px;color:var(--blue-ink);font-weight:650;transition:background .2s ease,transform .2s ease}
.index-list a:hover{background:var(--blue-soft);transform:translateX(3px)}
.index-list i{color:var(--blue);width:18px}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.band-white{background:#fff}
.band-soft{background:linear-gradient(180deg,#f7fbff,#eef4fb)}
.gap-copy h2{max-width:14ch}
.note-stack{display:grid;gap:12px;margin-top:18px}
.note{display:grid;grid-template-columns:42px 1fr;gap:12px;align-items:start;background:#fff;border:1px solid var(--line);border-radius:16px;padding:14px;box-shadow:var(--shadow-soft)}
.note i{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:var(--blue-soft);color:var(--blue)}
.note strong{display:block;color:var(--blue-ink)}
.note p{margin:2px 0 0;color:var(--muted);font-size:14.5px}
.photo-stack{display:grid;grid-template-columns:1.2fr .8fr;gap:12px}
.photo-stack img{width:100%;height:100%;object-fit:cover;border-radius:20px;box-shadow:var(--shadow)}
.photo-stack .tall{min-height:390px}
.photo-stack .short{min-height:188px}
.photo-card{background:#fff;border-radius:20px;padding:16px 16px 14px;border:1px solid var(--line);box-shadow:var(--shadow-soft)}
.photo-card strong{display:block;color:var(--blue-ink)}
.photo-card span{color:var(--muted);font-size:14px}
.step-rail{list-style:none;margin:8px 0 0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:14px;counter-reset:buoc}
.step-rail li{background:#fff;border:1px solid #edf2f8;border-radius:20px;padding:22px 18px 18px;box-shadow:var(--shadow-soft);min-height:210px;position:relative;transition:transform .2s ease,box-shadow .2s ease}
.step-rail li:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.step-rail li::before{counter-increment:buoc;content:counter(buoc);width:36px;height:36px;border-radius:12px;display:grid;place-items:center;background:var(--blue);color:#fff;font-weight:800;margin-bottom:14px}
.step-rail h3{margin:0 0 8px;font-size:1.12rem;color:var(--blue-ink)}
.step-rail p{margin:0;color:var(--muted);font-size:15px}
.feature-row{background:#fff;border:1px solid #edf2f8;border-radius:24px;box-shadow:var(--shadow-soft);padding:14px;margin-bottom:16px}
.feature-row img{width:100%;height:280px;object-fit:cover;border-radius:18px}
.feature-copy{padding:12px 10px}
.feature-copy h3{margin:8px 0;font-size:1.45rem;color:var(--blue-ink)}
.feature-copy p{color:var(--muted)}
.feature-copy ul{margin:0;padding:0;list-style:none}
.feature-copy li{display:flex;gap:8px;align-items:flex-start;padding:6px 0;color:var(--ink)}
.feature-copy li i{color:var(--blue);margin-top:4px}
.metric-card{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);border-radius:20px;padding:20px 18px;min-height:168px;backdrop-filter:blur(6px)}
.metric-card b{display:block;font-size:clamp(1.8rem,3vw,2.4rem);line-height:1;margin:8px 0;letter-spacing:-.04em}
.metric-card span{color:rgba(255,255,255,.82);font-size:14.5px}
.quote-main,.quote-side article{background:#fff;border-radius:22px;border:1px solid #edf2f8;box-shadow:var(--shadow-soft);padding:22px}
.quote-main{min-height:100%;background:linear-gradient(180deg,#fff,#f5f9ff)}
.quote-main img{width:72px;height:72px;border-radius:18px;object-fit:cover;margin-bottom:14px}
.quote-main p,.quote-side p{font-size:1.05rem;color:var(--blue-ink);margin-bottom:10px}
.quote-side{display:grid;gap:14px}
.who{color:var(--muted);font-size:14px;font-weight:650}
.news-item{display:grid;grid-template-columns:118px 1fr;gap:14px;padding:16px 0;border-bottom:1px solid var(--line)}
.news-item time{font-weight:800;color:var(--blue);font-size:14px}
.news-item h3{margin:0 0 4px;font-size:1.08rem;color:var(--blue-ink)}
.news-item p{margin:0;color:var(--muted)}
.news-side{background:#fff;border-radius:24px;overflow:hidden;border:1px solid #edf2f8;box-shadow:var(--shadow)}
.news-side img{width:100%;height:230px;object-fit:cover}
.news-side div{padding:16px 16px 18px}
.news-side h3{margin:8px 0;color:var(--blue-ink);font-size:1.2rem}
.empty-note{padding:14px 16px;border-radius:14px;background:var(--amber-soft);color:#8a4e12;font-weight:650}
.close-band{background:linear-gradient(100deg,#143e86,#1f5fbf 55%,#3d78d4);color:#fff;padding:42px 0}
.close-band h2{color:#fff;margin:0 0 8px}
.close-band p{color:rgba(255,255,255,.88);margin:0;max-width:62ch}
.close-actions{display:flex;align-items:center;justify-content:flex-end;height:100%}
.site-footer{background:var(--blue-ink);color:rgba(255,255,255,.82);padding:48px 0 32px}
.site-footer .logo{color:#fff}
.site-footer .logo-mark{background:#fff;color:var(--blue)}
.site-footer p{color:rgba(255,255,255,.78)}
.site-footer a{color:#fff;font-weight:650}
.site-footer a:hover{color:#d6e6ff}
.fine{font-size:13px;color:rgba(255,255,255,.62) !important}
@media (max-width:1024px){
  .site-header{height:auto;min-height:var(--header)}
  .header-bar{flex-wrap:wrap;min-height:var(--header);padding:10px 0}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .nav-links{display:none;width:100%;flex-direction:column;align-items:stretch;gap:6px;padding:4px 0 14px}
  .site-header.is-open .nav-links{display:flex}
  .nav-links a{padding:10px 12px}
  .nav-search{margin:6px 0 0}
  .nav-search input{width:100%}
  .step-rail{grid-template-columns:1fr 1fr}
  .audience-grid{grid-template-columns:1fr}
  .demo-body{grid-template-columns:1fr}
  .spec-row{grid-template-columns:180px 1fr}
  .photo-stack .tall{min-height:280px}
}
@media (max-width:768px){
  .section{padding:64px 0}
  .page-hero{padding:112px 0 48px}
  .page-hero h1{max-width:none}
  .photo-stack{grid-template-columns:1fr}
  .photo-stack .short{min-height:180px}
  .feature-row img{height:220px}
  .news-item{grid-template-columns:1fr;gap:4px}
  .close-actions{justify-content:flex-start;margin-top:16px;height:auto}
  .spec-row{grid-template-columns:1fr;gap:4px}
  .hero-panel img{height:200px}
}
@media (max-width:520px){
  .container{width:min(var(--max),calc(100% - 22px))}
  .logo-text{font-size:13.5px}
  .section{padding:52px 0}
  .step-rail{grid-template-columns:1fr}
  .chip{width:100%}
  .metric-card{min-height:0}
  .page-hero{padding-top:104px}
  .btn{width:100%}
  .hero-actions{width:100%}
}

/* roulang page: category3 */
:root{--blue:#1f5fbf;--blue-deep:#143e86;--blue-ink:#10284d;--blue-soft:#e7f0fb;--sky:#f4f8fd;--ink:#172536;--muted:#5c6d80;--line:#d7e3f0;--white:#fff;--amber:#e38a2a;--amber-soft:#fff4e8;--shadow:0 16px 40px rgba(20,62,134,.08);--shadow-soft:0 8px 24px rgba(20,62,134,.06);--radius:18px;--header:78px;--max:1160px}
/* roulang page: index */
:root{--blue:#1f5fbf;--blue-deep:#143e86;--blue-ink:#10284d;--blue-soft:#e7f0fb;--sky:#f4f8fd;--ink:#172536;--muted:#5c6d80;--line:#d7e3f0;--white:#fff;--amber:#e38a2a;--amber-soft:#fff4e8;--shadow:0 16px 40px rgba(20,62,134,.08);--shadow-soft:0 8px 24px rgba(20,62,134,.06);--radius:18px;--header:78px;--max:1160px}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Be Vietnam Pro",sans-serif;color:var(--ink);background:var(--sky);line-height:1.75;font-size:16.5px}
img{max-width:100%;display:block;height:auto}
a{color:var(--blue-deep);text-decoration:none}
button,input{font-family:inherit}
.container{width:min(var(--max),calc(100% - 32px));margin:0 auto}
.site-header{position:fixed;top:0;left:0;right:0;z-index:50;height:var(--header);display:flex;align-items:center;background:rgba(10,28,52,.38);border-bottom:1px solid rgba(255,255,255,.22);box-shadow:0 10px 30px rgba(8,20,40,.08);backdrop-filter:blur(16px);transition:background .25s ease,box-shadow .25s ease,border-color .25s ease}
.site-header.is-stuck,.site-header.is-open{background:rgba(255,255,255,.96);border-bottom-color:var(--line);box-shadow:0 10px 28px rgba(16,40,77,.08)}
.header-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;width:min(var(--max),calc(100% - 32px))}
.logo{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;letter-spacing:-.02em;min-width:0}
.site-header.is-stuck .logo,.site-header.is-open .logo{color:var(--blue-ink)}
.logo-mark{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:#fff;color:var(--blue);font-weight:800;box-shadow:var(--shadow-soft);flex:0 0 auto}
.site-header.is-stuck .logo-mark,.site-header.is-open .logo-mark{background:var(--blue);color:#fff}
.logo-text{font-size:15px;line-height:1.2;white-space:nowrap}
.nav-toggle{display:none;border:1px solid rgba(255,255,255,.4);background:transparent;color:#fff;border-radius:12px;padding:8px 12px;font-weight:700;cursor:pointer}
.site-header.is-stuck .nav-toggle,.site-header.is-open .nav-toggle{color:var(--blue-ink);border-color:var(--line);background:#fff}
.nav-toggle:focus-visible,.btn:focus-visible,.nav-search input:focus-visible,a:focus-visible{outline:3px solid #8eb6f5;outline-offset:3px}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{color:rgba(255,255,255,.92);font-size:14px;font-weight:600;padding:8px 9px;border-radius:999px;transition:background .2s ease,color .2s ease}
.site-header.is-stuck .nav-links a,.site-header.is-open .nav-links a{color:var(--ink)}
.nav-links a:hover,.nav-links a:focus-visible{background:rgba(255,255,255,.16);color:#fff}
.site-header.is-stuck .nav-links a:hover,.site-header.is-open .nav-links a:hover{background:var(--blue-soft);color:var(--blue-deep)}
.nav-links a.active{background:rgba(255,255,255,.2);color:#fff}
.site-header.is-stuck .nav-links a.active,.site-header.is-open .nav-links a.active{background:var(--blue);color:#fff}
.nav-search{margin-left:8px}
.nav-search input{width:158px;border:1px solid rgba(255,255,255,.35);background:rgba(255,255,255,.16);color:#fff;border-radius:999px;padding:8px 12px;font-size:13px}
.site-header.is-stuck .nav-search input,.site-header.is-open .nav-search input{background:#fff;color:var(--ink);border-color:var(--line)}
.nav-search input::placeholder{color:rgba(255,255,255,.8)}
.site-header.is-stuck .nav-search input::placeholder,.site-header.is-open .nav-search input::placeholder{color:var(--muted)}
.hero{position:relative;min-height:760px;padding:138px 0 96px;background:linear-gradient(180deg,rgba(8,24,48,.78),rgba(16,48,96,.62)),url("/assets/images/f5e8df20ea2eda96.webp") center/cover no-repeat;color:#fff}
.hero h1{margin:16px 0 12px;font-size:clamp(2rem,4.4vw,3.45rem);line-height:1.18;letter-spacing:-.03em;font-weight:800;color:#fff}
.lead{font-size:1.02rem;color:rgba(255,255,255,.92);max-width:74ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin:22px 0 28px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:999px;padding:13px 22px;font-weight:750;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background .2s ease}
.btn-primary{background:#fff;color:var(--blue-deep);box-shadow:0 10px 24px rgba(0,0,0,.16)}
.btn-primary:hover{transform:translateY(-2px);background:#f4f8ff}
.btn-primary:active{transform:translateY(0)}
.chip{display:inline-flex;align-items:center;gap:8px;padding:10px 14px;border-radius:14px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);font-size:14px}
.section{padding:84px 0}
.section h2{margin:0 0 12px;font-size:clamp(1.6rem,3vw,2.25rem);line-height:1.25;letter-spacing:-.03em;color:var(--blue-ink)}
.section-lead{max-width:78ch;color:var(--muted);margin-bottom:28px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:999px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);font-size:13px;font-weight:700;letter-spacing:.02em}
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 10px;border-radius:999px;background:var(--blue-soft);color:var(--blue-deep);font-size:12px;font-weight:800;letter-spacing:.03em}
.badge.amber{background:var(--amber-soft);color:#9a5410}
.badge.solid{background:var(--blue);color:#fff}
.site-footer{background:var(--blue-ink);color:rgba(255,255,255,.86);padding:52px 0 36px}
.site-footer .logo{color:#fff}
.site-footer .logo-mark{background:#fff;color:var(--blue)}
.site-footer p{margin:12px 0;color:rgba(255,255,255,.78)}
.site-footer a{color:#fff;font-weight:700}
.site-footer a:hover{color:#d6e6ff}
.fine{font-size:13px;color:rgba(255,255,255,.62)!important}
.hero-mag{background:linear-gradient(115deg,rgba(8,24,48,.82),rgba(20,62,134,.55)),url("/assets/images/7e0904303d910fc7.webp") center/cover no-repeat;min-height:680px}
.hero-mag .hero-inner{max-width:none}
.mag-copy h1{max-width:14ch}
.mag-copy .lead{max-width:46ch}
.pick-card{background:#fff;color:var(--ink);border-radius:24px;overflow:hidden;box-shadow:0 24px 60px rgba(5,16,36,.28);border:1px solid rgba(255,255,255,.55)}
.pick-card img{width:100%;height:230px;object-fit:cover}
.pick-body{padding:18px 18px 20px}
.pick-body h2{margin:8px 0;font-size:1.35rem;color:var(--blue-ink);letter-spacing:-.02em}
.pick-body p{margin:0;color:var(--muted)}
.pick-meta{display:flex;justify-content:space-between;gap:10px;margin-top:14px;padding-top:14px;border-top:1px solid var(--line);font-size:13px;font-weight:700;color:var(--blue-deep)}
.section.tight-top{padding-top:72px}
.version-stack{display:flex;flex-direction:column;gap:14px}
.version-row{display:grid;grid-template-columns:168px 1fr auto;gap:18px;align-items:center;background:#fff;border:1px solid #edf2f8;border-radius:22px;padding:16px;box-shadow:var(--shadow-soft);transition:transform .2s ease,box-shadow .2s ease}
.version-row:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.version-row img{width:168px;height:112px;object-fit:cover;border-radius:14px}
.version-row h3{margin:6px 0 4px;font-size:1.15rem;color:var(--blue-ink)}
.version-row p{margin:0;color:var(--muted)}
.code{font-weight:800;color:var(--blue);white-space:nowrap}
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:28px;align-items:center}
.photo-frame{border-radius:24px;overflow:hidden;box-shadow:var(--shadow);border:1px solid #fff;min-height:360px}
.photo-frame img{width:100%;height:100%;object-fit:cover;min-height:360px}
.note-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px}
.note-list li{background:#fff;border-radius:16px;padding:14px 16px;border:1px solid #edf2f8;box-shadow:var(--shadow-soft);display:grid;grid-template-columns:42px 1fr;gap:12px;align-items:start}
.note-list i{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:var(--blue-soft);color:var(--blue)}
.note-list strong{display:block;color:var(--blue-ink)}
.spec-list{background:#fff;border-radius:24px;box-shadow:var(--shadow);overflow:hidden;border:1px solid #edf2f8}
.spec-row{display:grid;grid-template-columns:220px 1fr 1fr 1fr;gap:12px;padding:16px 18px;border-bottom:1px solid var(--line);align-items:center}
.spec-row:last-child{border-bottom:0}
.spec-row.head{background:var(--blue-ink);color:#fff;font-weight:700}
.spec-row.head span{color:#fff}
.spec-kicker{font-size:13px;font-weight:800;color:var(--blue);text-transform:uppercase;letter-spacing:.04em}
.stay-band{background:linear-gradient(180deg,#fff,#fff8f1);border-top:1px solid #f3e2cf;border-bottom:1px solid #f3e2cf}
.stay-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:22px}
.stay-points{display:grid;gap:12px}
.stay-points article{background:#fff;border-radius:18px;padding:16px 18px;border:1px solid #f0dfcc;box-shadow:var(--shadow-soft)}
.stay-points h3{margin:0 0 6px;font-size:1.05rem;color:var(--blue-ink)}
.stay-points p{margin:0;color:var(--muted)}
.metrics{background:linear-gradient(160deg,var(--blue-ink),#1d4e9e);color:#fff}
.metrics h2,.metrics .section-lead{color:#fff}
.metrics .section-lead{color:rgba(255,255,255,.8)}
.metric-grid{display:grid;grid-template-columns:1.3fr repeat(3,1fr);gap:14px}
.metric{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:20px;padding:18px;min-height:150px}
.metric b{display:block;font-size:1.7rem;letter-spacing:-.03em;margin:8px 0}
.metric span{color:rgba(255,255,255,.78);font-size:14px}
.device-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:18px}
.device-main,.device-side{background:#fff;border-radius:24px;overflow:hidden;border:1px solid #edf2f8;box-shadow:var(--shadow)}
.device-main img,.device-side img{width:100%;height:240px;object-fit:cover}
.device-copy{padding:18px 18px 20px}
.device-copy h3{margin:8px 0;color:var(--blue-ink)}
.device-copy p{margin:0;color:var(--muted)}
.side-stack{display:grid;gap:18px}
.news-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:22px}
.news-feature{position:relative;border-radius:24px;overflow:hidden;min-height:360px;box-shadow:var(--shadow)}
.news-feature img{width:100%;height:100%;object-fit:cover;min-height:360px}
.news-feature div{position:absolute;left:0;right:0;bottom:0;padding:20px;background:linear-gradient(transparent,rgba(8,20,40,.82));color:#fff}
.news-feature h3{margin:6px 0;color:#fff}
.news-list{display:flex;flex-direction:column;gap:12px}
.news-item{display:grid;grid-template-columns:112px 1fr;gap:14px;background:#fff;border-radius:18px;padding:10px;border:1px solid #edf2f8;box-shadow:var(--shadow-soft)}
.news-item img{width:112px;height:88px;object-fit:cover;border-radius:12px}
.news-item h3{margin:0 0 4px;font-size:1.02rem;color:var(--blue-ink)}
.news-item p{margin:0;color:var(--muted);font-size:14.5px}
.close-band{padding-bottom:96px}
.close-card{display:grid;grid-template-columns:1.4fr .8fr;gap:18px;align-items:center;background:#fff;border-radius:28px;padding:22px;box-shadow:var(--shadow);border:1px solid #edf2f8}
.close-card img{height:180px;width:100%;object-fit:cover;border-radius:18px}
.close-card h2{margin-top:0}
.btn-line{background:var(--blue);color:#fff;box-shadow:0 10px 24px rgba(31,95,191,.25)}
.btn-line:hover{transform:translateY(-2px);background:var(--blue-deep)}
.btn-line:active{transform:translateY(0)}
@media(max-width:1100px){
.nav-toggle{display:inline-flex}
.header-bar{position:relative}
.nav-links{display:none;position:absolute;top:calc(var(--header) - 10px);left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;padding:12px;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}
.site-header.is-open .nav-links{display:flex}
.nav-links a,.site-header.is-open .nav-links a{color:var(--ink)}
.nav-links a.active{background:var(--blue);color:#fff}
.nav-search{margin:6px 0 0}
.nav-search input,.site-header.is-open .nav-search input{width:100%;background:#fff;color:var(--ink);border-color:var(--line)}
.metric-grid,.split,.stay-grid,.device-layout,.news-wrap,.close-card,.version-row{grid-template-columns:1fr}
.version-row img{width:100%;height:180px}
.spec-row{grid-template-columns:1fr 1fr;gap:8px}
.spec-row.head{display:none}
}
@media(max-width:768px){
.section{padding:64px 0}
.hero,.hero-mag{min-height:0;padding:120px 0 64px}
.logo-text{font-size:13px}
.photo-frame,.photo-frame img,.news-feature,.news-feature img{min-height:240px}
.metric-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:520px){
.container,.header-bar{width:min(var(--max),calc(100% - 20px))}
.metric-grid,.spec-row,.news-item{grid-template-columns:1fr}
.news-item img{width:100%;height:160px}
.hero h1{font-size:2rem}
.pick-meta{flex-direction:column}
}

/* roulang page: category4 */
:root{--blue:#1f5fbf;--blue-deep:#143e86;--blue-ink:#10284d;--blue-soft:#e7f0fb;--sky:#f4f8fd;--ink:#172536;--muted:#5c6d80;--line:#d7e3f0;--white:#fff;--amber:#e38a2a;--amber-soft:#fff4e8;--shadow:0 16px 40px rgba(20,62,134,.08);--shadow-soft:0 8px 24px rgba(20,62,134,.06);--radius:18px;--header:78px;--max:1160px}
/* roulang page: da-thiet-bi */
:root{--blue:#1f5fbf;--blue-deep:#143e86;--blue-ink:#10284d;--blue-soft:#e7f0fb;--sky:#f4f8fd;--ink:#172536;--muted:#5c6d80;--line:#d7e3f0;--white:#fff;--amber:#e38a2a;--amber-soft:#fff4e8;--shadow:0 16px 40px rgba(20,62,134,.08);--shadow-soft:0 8px 24px rgba(20,62,134,.06);--radius:18px;--header:78px;--max:1160px}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Be Vietnam Pro",sans-serif;color:var(--ink);background:var(--sky);line-height:1.75;font-size:16.5px}
img{max-width:100%;display:block;height:auto}
a{color:var(--blue-deep);text-decoration:none}
button,input{font-family:inherit}
.container{width:min(var(--max),calc(100% - 32px));margin:0 auto}
.site-header{position:fixed;top:0;left:0;right:0;z-index:50;height:var(--header);display:flex;align-items:center;justify-content:center;background:rgba(10,28,52,.38);border-bottom:1px solid rgba(255,255,255,.22);box-shadow:0 10px 30px rgba(8,20,40,.08);backdrop-filter:blur(16px);transition:background .25s ease,box-shadow .25s ease,border-color .25s ease}
.site-header.is-stuck,.site-header.is-open{background:rgba(255,255,255,.96);border-bottom-color:var(--line);box-shadow:0 10px 28px rgba(16,40,77,.08)}
.header-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;width:min(var(--max),calc(100% - 32px));margin-inline:auto}
.logo{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;letter-spacing:-.02em;min-width:0}
.site-header.is-stuck .logo,.site-header.is-open .logo{color:var(--blue-ink)}
.logo-mark{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:#fff;color:var(--blue);font-weight:800;box-shadow:var(--shadow-soft);flex:0 0 auto}
.site-header.is-stuck .logo-mark,.site-header.is-open .logo-mark{background:var(--blue);color:#fff}
.logo-text{font-size:15px;line-height:1.2;white-space:nowrap}
.nav-toggle{display:none;border:1px solid rgba(255,255,255,.4);background:transparent;color:#fff;border-radius:12px;padding:8px 12px;font-weight:700;cursor:pointer}
.site-header.is-stuck .nav-toggle,.site-header.is-open .nav-toggle{color:var(--blue-ink);border-color:var(--line);background:#fff}
.nav-toggle:focus-visible,.btn:focus-visible,.nav-search input:focus-visible,a:focus-visible{outline:3px solid #8eb6f5;outline-offset:3px}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{color:rgba(255,255,255,.92);font-size:14px;font-weight:600;padding:8px 9px;border-radius:999px;transition:background .2s ease,color .2s ease}
.site-header.is-stuck .nav-links a,.site-header.is-open .nav-links a{color:var(--ink)}
.nav-links a:hover,.nav-links a:focus-visible{background:rgba(255,255,255,.16);color:#fff}
.site-header.is-stuck .nav-links a:hover,.site-header.is-open .nav-links a:hover{background:var(--blue-soft);color:var(--blue-deep)}
.nav-links a.active{background:rgba(255,255,255,.2);color:#fff}
.site-header.is-stuck .nav-links a.active,.site-header.is-open .nav-links a.active{background:var(--blue);color:#fff}
.nav-search{margin-left:8px}
.nav-search input{width:158px;border:1px solid rgba(255,255,255,.35);background:rgba(255,255,255,.16);color:#fff;border-radius:999px;padding:8px 12px;font-size:13px}
.site-header.is-stuck .nav-search input,.site-header.is-open .nav-search input{background:#fff;color:var(--ink);border-color:var(--line)}
.nav-search input::placeholder{color:rgba(255,255,255,.8)}
.site-header.is-stuck .nav-search input::placeholder,.site-header.is-open .nav-search input::placeholder{color:var(--muted)}
.hero{position:relative;min-height:760px;padding:138px 0 96px;background:linear-gradient(180deg,rgba(8,24,48,.78),rgba(16,48,96,.62)),url("/assets/images/f5e8df20ea2eda96.webp") center/cover no-repeat;color:#fff}
.hero-inner{max-width:820px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:999px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);font-size:13px;font-weight:700;letter-spacing:.02em}
.hero h1{margin:16px 0 12px;font-size:clamp(2rem,4.4vw,3.45rem);line-height:1.18;letter-spacing:-.03em;font-weight:800;color:#fff}
.lead{font-size:1.02rem;color:rgba(255,255,255,.92);max-width:74ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin:22px 0 28px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:999px;padding:13px 22px;font-weight:750;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background .2s ease}
.btn-primary{background:#fff;color:var(--blue-deep);box-shadow:0 10px 24px rgba(0,0,0,.16)}
.btn-primary:hover{transform:translateY(-2px);background:#f4f8ff}
.btn-primary:active{transform:translateY(0)}
.chip{display:inline-flex;align-items:center;gap:8px;padding:10px 14px;border-radius:14px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);font-size:14px;color:#fff}
.chip:hover{background:rgba(255,255,255,.22);color:#fff}
.demo-stage{background:rgba(255,255,255,.96);color:var(--ink);border-radius:24px;box-shadow:0 24px 60px rgba(5,16,36,.28);overflow:hidden;border:1px solid rgba(255,255,255,.5)}
.demo-body{display:grid;grid-template-columns:1.5fr .9fr;gap:12px;padding:12px;background:#eef4fb}
.demo-main,.demo-side img{border-radius:16px;width:100%;height:100%;object-fit:cover}
.demo-main{min-height:280px}
.demo-side img{height:134px}
.demo-pills{display:flex;flex-wrap:wrap;gap:8px;padding:0 12px 14px;background:#eef4fb;margin:0;list-style:none}
.demo-pills li{background:#fff;border-radius:999px;padding:7px 12px;font-size:13px;font-weight:650;color:var(--blue-deep);box-shadow:var(--shadow-soft)}
.section{padding:84px 0}
.section h2{margin:0 0 12px;font-size:clamp(1.6rem,3vw,2.25rem);line-height:1.25;letter-spacing:-.03em;color:var(--blue-ink)}
.section-lead{max-width:78ch;color:var(--muted);margin-bottom:28px}
.photo-frame{border-radius:24px;overflow:hidden;box-shadow:var(--shadow);border:1px solid #edf2f8;background:#fff}
.photo-frame img{width:100%;height:100%;object-fit:cover;min-height:360px}
.bento img{width:100%;height:210px;object-fit:cover}
.bento-side img{height:100%;min-height:150px}
.metrics{background:linear-gradient(180deg,#143e86 0%,#10284d 100%);color:#fff}
.metrics h2,.metrics .section-lead{color:#fff}
.metrics .section-lead{color:rgba(255,255,255,.8)}
.review.feature{background:url("/assets/images/69f50e3e1cb5c1f7.webp") center/cover no-repeat;color:#fff;min-height:100%;position:relative}
.review.feature::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(16,40,77,.2),rgba(16,40,77,.78));border-radius:22px}
.review.feature .review-body{position:relative}
.audience-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:16px}
.person img{width:100%;height:180px;object-fit:cover}
.spec-list{background:#fff;border-radius:24px;box-shadow:var(--shadow);overflow:hidden;border:1px solid #edf2f8}
.spec-row{display:grid;grid-template-columns:220px 1fr;gap:12px;padding:16px 18px;border-bottom:1px solid var(--line)}
.spec-row:last-child{border-bottom:0}
.spec-row strong{color:var(--blue-ink);display:block}
.spec-row span{color:var(--muted)}
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 10px;border-radius:999px;background:var(--amber-soft);color:#9a5410;font-size:12px;font-weight:800;letter-spacing:.03em;text-transform:uppercase}
.kicker{color:var(--blue);font-weight:800;font-size:13px;letter-spacing:.04em;text-transform:uppercase;margin:0 0 8px}
.page-hero{position:relative;padding:138px 0 72px;color:#fff;background:linear-gradient(105deg,rgba(8,24,48,.82),rgba(20,62,134,.55)),url("/assets/images/7e0904303d910fc7.webp") center/cover no-repeat}
.page-hero h1{margin:14px 0 12px;font-size:clamp(2rem,4vw,3.3rem);line-height:1.16;letter-spacing:-.03em;font-weight:800;color:#fff}
.crumb{display:flex;gap:8px;align-items:center;color:rgba(255,255,255,.78);font-size:13px;margin-bottom:12px}
.crumb a{color:#fff;font-weight:700}
.entry-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.entry-card{display:flex;flex-direction:column;gap:8px;min-height:148px;padding:16px;border-radius:18px;background:rgba(255,255,255,.94);color:var(--ink);box-shadow:var(--shadow);border:1px solid rgba(255,255,255,.6);transition:transform .2s ease,box-shadow .2s ease}
.entry-card:hover{transform:translateY(-3px);box-shadow:0 18px 36px rgba(8,20,40,.18);color:var(--blue-deep)}
.entry-card i{width:36px;height:36px;border-radius:12px;display:grid;place-items:center;background:var(--blue-soft);color:var(--blue)}
.entry-card strong{font-size:15px;line-height:1.35}
.entry-card small{color:var(--muted);line-height:1.45}
.band{background:#fff}
.band-soft{background:linear-gradient(180deg,#f8fbff 0%,#eef4fb 100%)}
.pain-copy p,.sync-copy p,.close-copy p{color:var(--muted)}
.pain-list{list-style:none;margin:18px 0 0;padding:0;display:flex;flex-direction:column;gap:12px}
.pain-item{display:grid;grid-template-columns:42px 1fr;gap:12px;align-items:start;background:#fff;border:1px solid var(--line);border-radius:16px;padding:14px;box-shadow:var(--shadow-soft)}
.pain-item i{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:var(--amber-soft);color:var(--amber)}
.pain-item strong{display:block;color:var(--blue-ink)}
.pain-item span{color:var(--muted);font-size:14.5px}
.sync-point{display:grid;grid-template-columns:54px 1fr;gap:12px;padding:16px 0;border-bottom:1px solid var(--line)}
.sync-point:last-child{border-bottom:0}
.num{width:54px;height:54px;border-radius:16px;display:grid;place-items:center;background:var(--blue);color:#fff;font-weight:800}
.sync-visual{position:relative}
.sync-visual img{width:100%;height:460px;object-fit:cover;border-radius:24px}
.float-note{position:absolute;left:18px;bottom:18px;right:18px;background:rgba(255,255,255,.94);border-radius:16px;padding:14px 16px;box-shadow:var(--shadow)}
.float-note strong{color:var(--blue-ink)}
.step-list{display:flex;flex-direction:column;gap:14px;margin:0;padding:0;list-style:none}
.step{display:grid;grid-template-columns:92px 1fr 180px;gap:16px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:20px;padding:16px 18px;box-shadow:var(--shadow-soft)}
.step:hover{border-color:#b9d0ee;box-shadow:var(--shadow)}
.step b{font-size:1.4rem;color:var(--blue);letter-spacing:-.04em}
.step p{margin:0;color:var(--muted)}
.step em{font-style:normal;font-size:13px;font-weight:800;color:var(--blue-deep);background:var(--blue-soft);border-radius:999px;padding:6px 10px;text-align:center}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.metric{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:18px;padding:20px}
.metric strong{display:block;font-size:1.7rem;letter-spacing:-.04em;margin-bottom:6px}
.metric span{color:rgba(255,255,255,.82);font-size:14.5px}
.device-side img{width:100%;height:100%;min-height:420px;object-fit:cover;border-radius:24px}
.quote-wrap{display:grid;grid-template-columns:1.35fr .9fr;gap:16px}
.review{border-radius:22px;overflow:hidden;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-soft)}
.review-body{padding:22px}
.review-body p{margin:8px 0 0;font-size:1.05rem}
.review .who{margin-top:16px;font-weight:800;color:var(--blue-ink)}
.side-quotes{display:flex;flex-direction:column;gap:16px}
.side-quotes .review{padding:8px 8px 4px}
.side-quotes img{height:92px;width:100%;object-fit:cover;border-radius:14px}
.note-list{display:flex;flex-direction:column;gap:14px}
.note{display:grid;grid-template-columns:168px 1fr auto;gap:16px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:20px;padding:10px;box-shadow:var(--shadow-soft);color:inherit}
.note:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.note img{width:168px;height:108px;object-fit:cover;border-radius:14px}
.note h3{margin:0 0 4px;font-size:1.08rem;color:var(--blue-ink)}
.note p{margin:0;color:var(--muted)}
.note time{color:var(--blue);font-weight:800;font-size:13px}
.close-band{background:linear-gradient(180deg,#fff,#e7f0fb);border-top:1px solid var(--line)}
.close-panel{display:grid;grid-template-columns:1.4fr .8fr;gap:22px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:28px;box-shadow:var(--shadow);padding:28px}
.close-panel img{height:210px;width:100%;object-fit:cover;border-radius:18px}
.site-footer{background:var(--blue-ink);color:rgba(255,255,255,.84);padding:48px 0 36px}
.site-footer .logo{color:#fff}
.site-footer .logo-mark{background:#fff;color:var(--blue)}
.site-footer p{margin:12px 0 0}
.site-footer a{color:#fff;font-weight:700}
.site-footer a:hover{color:#d6e6ff}
.fine{font-size:13px;color:rgba(255,255,255,.68)}
.foot-meta{text-align:right}
@media (max-width:1080px){
.nav-toggle{display:inline-flex;align-items:center}
.header-bar{position:relative}
.nav-links{display:none;position:absolute;top:62px;left:0;right:0;flex-direction:column;align-items:stretch;gap:6px;padding:14px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}
.site-header.is-open .nav-links{display:flex}
.nav-links a,.site-header.is-open .nav-links a{color:var(--ink)}
.nav-links a:hover{background:var(--blue-soft);color:var(--blue-deep)}
.nav-search{margin:6px 0 0}
.nav-search input,.site-header.is-open .nav-search input{width:100%;background:#fff;color:var(--ink);border-color:var(--line)}
.nav-search input::placeholder{color:var(--muted)}
.quote-wrap,.close-panel,.audience-grid{grid-template-columns:1fr}
.step{grid-template-columns:72px 1fr}
.step em{grid-column:2;justify-self:start}
.metric-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
.section{padding:64px 0}
.page-hero{padding:124px 0 48px}
.photo-frame img,.sync-visual img,.device-side img{min-height:240px;height:260px}
.spec-row,.note{grid-template-columns:1fr}
.note img{width:100%;height:160px}
.foot-meta{text-align:left;margin-top:18px}
.entry-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:520px){
.logo-text{font-size:13px}
.page-hero h1{font-size:1.85rem}
.entry-grid,.metric-grid,.step{grid-template-columns:1fr}
.step em{grid-column:auto}
.hero-actions .btn,.close-panel .btn{width:100%}
.container{width:min(var(--max),calc(100% - 24px))}
}

/* roulang page: category5 */
:root{--blue:#1f5fbf;--blue-deep:#143e86;--blue-ink:#10284d;--blue-soft:#e7f0fb;--sky:#f4f8fd;--ink:#172536;--muted:#5c6d80;--line:#d7e3f0;--white:#fff;--amber:#e38a2a;--amber-soft:#fff4e8;--shadow:0 16px 40px rgba(20,62,134,.08);--shadow-soft:0 8px 24px rgba(20,62,134,.06);--radius:18px;--header:78px;--max:1160px}
/* roulang page: category5 */
html{scroll-behavior:smooth}
body{margin:0;font-family:"Be Vietnam Pro",sans-serif;color:var(--ink);background:var(--sky);line-height:1.75;font-size:16.5px}
img{max-width:100%;display:block;height:auto}
a{color:var(--blue-deep);text-decoration:none}
button,input{font-family:inherit}
.container{width:min(var(--max),calc(100% - 32px));margin:0 auto}
.site-header{position:fixed;top:0;left:0;right:0;z-index:50;height:var(--header);display:flex;align-items:center;background:rgba(10,28,52,.38);border-bottom:1px solid rgba(255,255,255,.22);box-shadow:0 10px 30px rgba(8,20,40,.08);backdrop-filter:blur(16px);transition:background .25s ease,box-shadow .25s ease,border-color .25s ease}
.site-header.is-stuck,.site-header.is-open{background:rgba(255,255,255,.96);border-bottom-color:var(--line);box-shadow:0 10px 28px rgba(16,40,77,.08)}
.header-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;width:min(var(--max),calc(100% - 32px));margin:0 auto}
.logo{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;letter-spacing:-.02em;min-width:0}
.site-header.is-stuck .logo,.site-header.is-open .logo,.site-footer .logo{color:var(--blue-ink)}
.logo-mark{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:#fff;color:var(--blue);font-weight:800;box-shadow:var(--shadow-soft);flex:0 0 auto}
.site-header.is-stuck .logo-mark,.site-header.is-open .logo-mark,.site-footer .logo-mark{background:var(--blue);color:#fff}
.logo-text{font-size:15px;line-height:1.2;white-space:nowrap}
.nav-toggle{display:none;border:1px solid rgba(255,255,255,.4);background:transparent;color:#fff;border-radius:12px;padding:8px 12px;font-weight:700;cursor:pointer}
.site-header.is-stuck .nav-toggle,.site-header.is-open .nav-toggle{color:var(--blue-ink);border-color:var(--line);background:#fff}
.nav-toggle:focus-visible,.btn:focus-visible,.nav-search input:focus-visible,a:focus-visible{outline:3px solid #8eb6f5;outline-offset:3px}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{color:rgba(255,255,255,.92);font-size:14px;font-weight:600;padding:8px 9px;border-radius:999px;transition:background .2s ease,color .2s ease}
.site-header.is-stuck .nav-links a,.site-header.is-open .nav-links a{color:var(--ink)}
.nav-links a:hover,.nav-links a:focus-visible{background:rgba(255,255,255,.16);color:#fff}
.site-header.is-stuck .nav-links a:hover,.site-header.is-open .nav-links a:hover{background:var(--blue-soft);color:var(--blue-deep)}
.nav-links a.active{background:rgba(255,255,255,.2);color:#fff}
.site-header.is-stuck .nav-links a.active,.site-header.is-open .nav-links a.active{background:var(--blue);color:#fff}
.nav-search{margin-left:8px}
.nav-search input{width:158px;border:1px solid rgba(255,255,255,.35);background:rgba(255,255,255,.16);color:#fff;border-radius:999px;padding:8px 12px;font-size:13px}
.site-header.is-stuck .nav-search input,.site-header.is-open .nav-search input{background:#fff;color:var(--ink);border-color:var(--line)}
.nav-search input::placeholder{color:rgba(255,255,255,.8)}
.site-header.is-stuck .nav-search input::placeholder,.site-header.is-open .nav-search input::placeholder{color:var(--muted)}
.section{padding:84px 0}
.section h2{margin:0 0 12px;font-size:clamp(1.6rem,3vw,2.25rem);line-height:1.25;letter-spacing:-.03em;color:var(--blue-ink)}
.section-lead{max-width:78ch;color:var(--muted);margin-bottom:28px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:999px;padding:13px 22px;font-weight:750;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background .2s ease}
.btn-primary{background:#fff;color:var(--blue-deep);box-shadow:0 10px 24px rgba(0,0,0,.16)}
.btn-primary:hover{transform:translateY(-2px);background:#f4f8ff}
.btn-primary:active{transform:translateY(0)}
.btn-line{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.45)}
.btn-line:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}
.btn-blue{background:var(--blue);color:#fff;box-shadow:0 10px 24px rgba(31,95,191,.22)}
.btn-blue:hover{background:var(--blue-deep);transform:translateY(-2px)}
.btn-blue:active{transform:translateY(0)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:999px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);font-size:13px;font-weight:700;letter-spacing:.02em}
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 10px;border-radius:999px;background:var(--blue-soft);color:var(--blue-deep);font-size:12.5px;font-weight:700}
.badge-amber{background:var(--amber-soft);color:#9a5410}
.page-hero{position:relative;padding:132px 0 72px;color:#fff;background:linear-gradient(105deg,rgba(8,24,48,.88),rgba(20,62,134,.55)),url("/assets/images/7e0904303d910fc7.webp") center/cover no-repeat}
.page-hero h1{margin:14px 0 12px;font-size:clamp(2rem,4.2vw,3.3rem);line-height:1.16;letter-spacing:-.03em;font-weight:800;color:#fff}
.lead{font-size:1.05rem;color:rgba(255,255,255,.92);max-width:62ch;margin:0}
.crumbs{display:flex;gap:8px;align-items:center;color:rgba(255,255,255,.78);font-size:13px;margin-bottom:14px}
.crumbs a{color:#fff;font-weight:700}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.secure-panel{background:rgba(255,255,255,.96);color:var(--ink);border-radius:24px;box-shadow:0 24px 60px rgba(5,16,36,.28);overflow:hidden;border:1px solid rgba(255,255,255,.55)}
.secure-panel img{width:100%;height:210px;object-fit:cover}
.panel-body{padding:16px}
.status-row{display:flex;justify-content:space-between;gap:12px;align-items:center;padding:11px 0;border-bottom:1px solid var(--line);font-size:14.5px}
.status-row:last-child{border-bottom:0}
.status-row strong{color:var(--blue-ink)}
.status-row span{color:var(--blue-deep);font-weight:700}
.band-white{background:#fff}
.band-sky{background:var(--sky)}
.kicker{color:var(--blue);font-weight:800;font-size:13px;letter-spacing:.04em;text-transform:uppercase;margin-bottom:8px}
.risk-list{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:24px;overflow:hidden;background:#fff;box-shadow:var(--shadow)}
.risk-item{display:grid;grid-template-columns:92px 1fr auto;gap:16px;align-items:center;padding:20px 22px;border-bottom:1px solid var(--line)}
.risk-item:last-child{border-bottom:0}
.risk-item:hover{background:#f8fbff}
.risk-no{width:58px;height:58px;border-radius:16px;display:grid;place-items:center;background:var(--blue-soft);color:var(--blue-deep);font-weight:800}
.risk-item h3{margin:0 0 4px;font-size:1.12rem;color:var(--blue-ink)}
.risk-item p{margin:0;color:var(--muted)}
.tag{font-size:13px;font-weight:700;color:var(--amber);background:var(--amber-soft);border-radius:999px;padding:6px 10px;white-space:nowrap}
.photo-card{border-radius:24px;overflow:hidden;box-shadow:var(--shadow);border:1px solid #edf2f8;background:#fff;height:100%}
.photo-card img{width:100%;height:100%;min-height:420px;object-fit:cover}
.layer-stack{display:flex;flex-direction:column;gap:12px}
.layer-card{display:grid;grid-template-columns:54px 1fr;gap:12px;padding:16px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow-soft);transition:transform .2s ease,box-shadow .2s ease}
.layer-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.layer-ico{width:54px;height:54px;border-radius:14px;display:grid;place-items:center;background:var(--blue);color:#fff;font-size:18px}
.layer-card h3{margin:0 0 4px;font-size:1.05rem;color:var(--blue-ink)}
.layer-card p{margin:0;color:var(--muted);font-size:15px}
.step-wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:center}
.step-line{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:0}
.step-item{display:grid;grid-template-columns:42px 1fr;gap:14px}
.step-rail{display:flex;flex-direction:column;align-items:center}
.step-num{width:42px;height:42px;border-radius:50%;background:#fff;border:2px solid var(--blue);color:var(--blue-deep);display:grid;place-items:center;font-weight:800;box-shadow:var(--shadow-soft)}
.step-rail i{width:2px;flex:1;background:linear-gradient(var(--blue),transparent);min-height:28px}
.step-item:last-child .step-rail i{display:none}
.step-copy{background:#fff;border:1px solid var(--line);border-radius:16px;padding:14px 16px;margin-bottom:12px;box-shadow:var(--shadow-soft)}
.step-copy h3{margin:0 0 4px;font-size:1.05rem;color:var(--blue-ink)}
.step-copy p{margin:0;color:var(--muted)}
.side-photo{border-radius:24px;overflow:hidden;min-height:460px;box-shadow:var(--shadow);position:relative}
.side-photo img{width:100%;height:100%;object-fit:cover;min-height:460px}
.side-note{position:absolute;left:16px;right:16px;bottom:16px;background:rgba(255,255,255,.94);border-radius:16px;padding:14px 16px;box-shadow:var(--shadow)}
.side-note strong{display:block;color:var(--blue-ink)}
.metric-band{background:linear-gradient(180deg,rgba(16,40,77,.88),rgba(20,62,134,.82)),url("/assets/images/b76a1ee97adb7bc5.webp") center/cover no-repeat;color:#fff}
.metric-band h2,.metric-band .section-lead{color:#fff}
.metric-band .section-lead{color:rgba(255,255,255,.82)}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.metric{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);border-radius:20px;padding:20px;backdrop-filter:blur(8px)}
.metric b{display:block;font-size:1.85rem;letter-spacing:-.03em;line-height:1.1}
.metric span{display:block;margin-top:8px;color:rgba(255,255,255,.86)}
.voice-card{background:#fff;border-radius:24px;padding:28px;box-shadow:var(--shadow);border:1px solid #edf2f8;height:100%}
.voice-card i.fa-quote-left{color:var(--blue);font-size:22px}
.voice-card blockquote{margin:12px 0;font-size:1.22rem;line-height:1.55;color:var(--blue-ink);font-weight:650}
.voice-card cite{font-style:normal;color:var(--muted);font-weight:600}
.voice-photo{border-radius:24px;overflow:hidden;min-height:100%;box-shadow:var(--shadow)}
.voice-photo img{width:100%;height:100%;min-height:320px;object-fit:cover}
.mini-voices{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:14px}
.mini-voices article{background:var(--sky);border-radius:16px;padding:14px;border:1px solid var(--line)}
.mini-voices p{margin:0 0 8px;color:var(--ink)}
.mini-voices span{color:var(--muted);font-size:13.5px;font-weight:700}
.fit-layout{display:grid;grid-template-columns:1.4fr .8fr;gap:16px}
.fit-main,.fit-side article{background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);overflow:hidden}
.fit-main{display:grid;grid-template-columns:.9fr 1.1fr}
.fit-main img{width:100%;height:100%;min-height:280px;object-fit:cover}
.fit-copy{padding:24px}
.fit-copy h3,.fit-side h3{margin:8px 0;color:var(--blue-ink)}
.fit-copy p,.fit-side p{margin:0;color:var(--muted)}
.fit-side{display:flex;flex-direction:column;gap:16px}
.fit-side article{padding:20px 22px}
.check{list-style:none;margin:14px 0 0;padding:0}
.check li{display:flex;gap:8px;align-items:flex-start;margin:8px 0;color:var(--ink)}
.check i{color:var(--blue);margin-top:4px}
.note-list{display:flex;flex-direction:column;gap:14px}
.note-item{display:grid;grid-template-columns:220px 1fr;gap:16px;background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:var(--shadow-soft);transition:box-shadow .2s ease,transform .2s ease}
.note-item:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.note-item img{width:100%;height:100%;min-height:150px;object-fit:cover}
.note-copy{padding:16px 16px 16px 0}
.note-copy h3{margin:6px 0;font-size:1.15rem;color:var(--blue-ink)}
.note-copy p{margin:0;color:var(--muted)}
.close-band{background:linear-gradient(90deg,#e7f0fb,#fff);border-top:1px solid var(--line)}
.close-card{display:flex;justify-content:space-between;gap:20px;align-items:center;background:#fff;border-radius:24px;padding:28px;box-shadow:var(--shadow);border:1px solid #edf2f8}
.close-card h2{margin-bottom:8px}
.close-card p{margin:0;color:var(--muted);max-width:62ch}
.site-footer{background:#fff;border-top:1px solid var(--line);padding:42px 0;color:var(--muted)}
.site-footer p{margin:10px 0}
.site-footer .fine{font-size:14px}
.site-footer a{font-weight:700}
.site-footer a:hover{color:var(--blue)}
@media (max-width:1024px){
.nav-toggle{display:inline-flex}
.nav-links{display:none;position:absolute;top:var(--header);left:0;right:0;flex-direction:column;align-items:stretch;background:#fff;padding:12px 16px 18px;border-bottom:1px solid var(--line);box-shadow:var(--shadow);gap:6px}
.site-header.is-open .nav-links{display:flex}
.site-header.is-open .nav-links a,.nav-links a{color:var(--ink)}
.nav-links a.active{background:var(--blue);color:#fff}
.nav-search{margin:8px 0 0}
.nav-search input{width:100%;background:#fff;color:var(--ink);border-color:var(--line)}
.nav-search input::placeholder{color:var(--muted)}
.metric-grid,.fit-main,.step-wrap,.fit-layout{grid-template-columns:1fr}
.photo-card img,.side-photo,.side-photo img{min-height:280px}
}
@media (max-width:768px){
.section{padding:64px 0}
.page-hero{padding:118px 0 56px}
.risk-item,.note-item,.close-card,.fit-main{grid-template-columns:1fr}
.note-copy{padding:0 16px 16px}
.metric-grid,.mini-voices{grid-template-columns:1fr 1fr}
.tag{justify-self:start}
.risk-item{align-items:start}
}
@media (max-width:520px){
.container{width:min(var(--max),calc(100% - 20px))}
.logo-text{font-size:13px}
.metric-grid,.mini-voices{grid-template-columns:1fr}
.hero-actions .btn,.close-card .btn{width:100%}
.page-hero h1{font-size:1.85rem}
.risk-item{grid-template-columns:64px 1fr}
.secure-panel img{height:170px}
}

/* roulang page: category6 */
:root{--blue:#1f5fbf;--blue-deep:#143e86;--blue-ink:#10284d;--blue-soft:#e7f0fb;--sky:#f4f8fd;--ink:#172536;--muted:#5c6d80;--line:#d7e3f0;--white:#fff;--amber:#e38a2a;--amber-soft:#fff4e8;--shadow:0 16px 40px rgba(20,62,134,.08);--shadow-soft:0 8px 24px rgba(20,62,134,.06);--radius:18px;--header:78px;--max:1160px}
/* roulang page: index */
:root{--blue:#1f5fbf;--blue-deep:#143e86;--blue-ink:#10284d;--blue-soft:#e7f0fb;--sky:#f4f8fd;--ink:#172536;--muted:#5c6d80;--line:#d7e3f0;--white:#fff;--amber:#e38a2a;--amber-soft:#fff4e8;--shadow:0 16px 40px rgba(20,62,134,.08);--shadow-soft:0 8px 24px rgba(20,62,134,.06);--radius:18px;--header:78px;--max:1160px}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Be Vietnam Pro",sans-serif;color:var(--ink);background:var(--sky);line-height:1.75;font-size:16.5px}
img{max-width:100%;display:block;height:auto}
a{color:var(--blue-deep);text-decoration:none}
button,input,select{font-family:inherit}
.container{width:min(var(--max),calc(100% - 32px));margin:0 auto}
.site-header{position:fixed;top:0;left:0;right:0;z-index:50;height:var(--header);display:flex;align-items:center;justify-content:center;background:rgba(10,28,52,.38);border-bottom:1px solid rgba(255,255,255,.22);box-shadow:0 10px 30px rgba(8,20,40,.08);backdrop-filter:blur(16px);transition:background .25s ease,box-shadow .25s ease,border-color .25s ease}
.site-header.is-stuck,.site-header.is-open{background:rgba(255,255,255,.96);border-bottom-color:var(--line);box-shadow:0 10px 28px rgba(16,40,77,.08)}
.header-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;width:min(var(--max),calc(100% - 32px));margin-inline:auto}
.logo{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;letter-spacing:-.02em;min-width:0}
.site-header.is-stuck .logo,.site-header.is-open .logo{color:var(--blue-ink)}
.logo-mark{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:#fff;color:var(--blue);font-weight:800;box-shadow:var(--shadow-soft);flex:0 0 auto}
.site-header.is-stuck .logo-mark,.site-header.is-open .logo-mark{background:var(--blue);color:#fff}
.logo-text{font-size:15px;line-height:1.2;white-space:nowrap}
.nav-toggle{display:none;border:1px solid rgba(255,255,255,.4);background:transparent;color:#fff;border-radius:12px;padding:8px 12px;font-weight:700;cursor:pointer}
.site-header.is-stuck .nav-toggle,.site-header.is-open .nav-toggle{color:var(--blue-ink);border-color:var(--line);background:#fff}
.nav-toggle:focus-visible,.btn:focus-visible,.nav-search input:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #8eb6f5;outline-offset:3px}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{color:rgba(255,255,255,.92);font-size:14px;font-weight:600;padding:8px 9px;border-radius:999px;transition:background .2s ease,color .2s ease}
.site-header.is-stuck .nav-links a,.site-header.is-open .nav-links a{color:var(--ink)}
.nav-links a:hover,.nav-links a:focus-visible{background:rgba(255,255,255,.16);color:#fff}
.site-header.is-stuck .nav-links a:hover,.site-header.is-open .nav-links a:hover{background:var(--blue-soft);color:var(--blue-deep)}
.nav-links a.active{background:rgba(255,255,255,.2);color:#fff}
.site-header.is-stuck .nav-links a.active,.site-header.is-open .nav-links a.active{background:var(--blue);color:#fff}
.nav-search{margin-left:8px}
.nav-search input{width:158px;border:1px solid rgba(255,255,255,.35);background:rgba(255,255,255,.16);color:#fff;border-radius:999px;padding:8px 12px;font-size:13px}
.site-header.is-stuck .nav-search input,.site-header.is-open .nav-search input{background:#fff;color:var(--ink);border-color:var(--line)}
.nav-search input::placeholder{color:rgba(255,255,255,.8)}
.site-header.is-stuck .nav-search input::placeholder,.site-header.is-open .nav-search input::placeholder{color:var(--muted)}
.hero{position:relative;min-height:760px;padding:138px 0 96px;background:linear-gradient(180deg,rgba(8,24,48,.78),rgba(16,48,96,.62)),url("/assets/images/f5e8df20ea2eda96.webp") center/cover no-repeat;color:#fff}
.hero-inner{max-width:820px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:999px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);font-size:13px;font-weight:700;letter-spacing:.02em}
.hero h1{margin:16px 0 12px;font-size:clamp(2rem,4.4vw,3.45rem);line-height:1.18;letter-spacing:-.03em;font-weight:800;color:#fff}
.lead{font-size:1.02rem;color:rgba(255,255,255,.92);max-width:74ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin:22px 0 28px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:999px;padding:13px 22px;font-weight:750;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background .2s ease}
.btn-primary{background:#fff;color:var(--blue-deep);box-shadow:0 10px 24px rgba(0,0,0,.16)}
.btn-primary:hover{transform:translateY(-2px);background:#f4f8ff}
.btn-primary:active{transform:translateY(0)}
.chip{display:inline-flex;align-items:center;gap:8px;padding:10px 14px;border-radius:14px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);font-size:14px}
.demo-stage{background:rgba(255,255,255,.96);color:var(--ink);border-radius:24px;box-shadow:0 24px 60px rgba(5,16,36,.28);overflow:hidden;border:1px solid rgba(255,255,255,.5)}
.demo-body{display:grid;grid-template-columns:1.5fr .9fr;gap:12px;padding:12px;background:#eef4fb}
.demo-main,.demo-side img{border-radius:16px;width:100%;height:100%;object-fit:cover}
.demo-main{min-height:280px}
.demo-side img{height:134px}
.demo-pills{display:flex;flex-wrap:wrap;gap:8px;padding:0 12px 14px;background:#eef4fb;margin:0;list-style:none}
.demo-pills li{background:#fff;border-radius:999px;padding:7px 12px;font-size:13px;font-weight:650;color:var(--blue-deep);box-shadow:var(--shadow-soft)}
.section{padding:84px 0}
.section h2{margin:0 0 12px;font-size:clamp(1.6rem,3vw,2.25rem);line-height:1.25;letter-spacing:-.03em;color:var(--blue-ink);text-align:left}
.section-lead{max-width:78ch;color:var(--muted);margin:0 0 28px;text-align:left}
.photo-frame img{width:100%;height:100%;object-fit:cover;min-height:360px}
.bento img{width:100%;height:210px;object-fit:cover}
.bento-side img{height:100%;min-height:150px}
.metrics h2,.metrics .section-lead{color:#fff}
.metrics .section-lead{color:rgba(255,255,255,.8)}
.review.feature{background:url("/assets/images/69f50e3e1cb5c1f7.webp") center/cover no-repeat;color:#fff;min-height:100%;position:relative}
.review.feature::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(16,40,77,.2),rgba(16,40,77,.78));border-radius:22px}
.review.feature .review-body{position:relative}
.audience-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:16px}
.person img{width:100%;height:180px;object-fit:cover}
.spec-list{background:#fff;border-radius:24px;box-shadow:var(--shadow);overflow:hidden;border:1px solid #edf2f8}
.spec-row{display:grid;grid-template-columns:220px 1fr;gap:12px;padding:16px 18px;border-bottom:1px solid var(--line)}
.spec-row:last-child{border-bottom:0}
.spec-row strong{color:var(--blue-ink)}
.spec-row span{color:var(--muted)}
.site-footer{background:var(--blue-ink);color:#d7e4f5;padding:48px 0 36px}
.site-footer .logo{color:#fff}
.site-footer .logo-mark{background:#fff;color:var(--blue)}
.site-footer a{color:#fff;font-weight:600}
.site-footer a:hover{color:#d6e6ff}
.site-footer p{color:rgba(255,255,255,.82);margin:12px 0}
.fine{font-size:13px;color:rgba(255,255,255,.68)!important}
.page-banner{position:relative;padding:132px 0 72px;background:linear-gradient(105deg,rgba(8,24,48,.86),rgba(20,62,134,.52)),url("/assets/images/23c921bd438534f7.webp") center/cover no-repeat;color:#fff}
.crumb{display:flex;gap:8px;flex-wrap:wrap;font-size:13px;font-weight:650;color:rgba(255,255,255,.78);margin-bottom:14px}
.crumb a{color:#fff}
.banner-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:32px;align-items:center}
.page-banner h1{margin:14px 0 12px;font-size:clamp(2rem,4vw,3.2rem);line-height:1.16;letter-spacing:-.03em;font-weight:800;color:#fff}
.page-banner .lead{margin:0}
.banner-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:22px}
.device-card{background:rgba(255,255,255,.97);color:var(--ink);border-radius:24px;box-shadow:0 24px 60px rgba(5,16,36,.28);overflow:hidden;border:1px solid rgba(255,255,255,.55)}
.device-card img{width:100%;height:228px;object-fit:cover}
.device-pad{padding:16px 16px 18px}
.device-pad h2{margin:0 0 10px;font-size:1.15rem;color:var(--blue-ink)}
.check-list{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.check-list li{display:flex;gap:10px;align-items:flex-start;background:var(--sky);border-radius:12px;padding:10px 12px;font-weight:650;font-size:14.5px;color:var(--blue-ink)}
.check-list i{color:var(--blue);margin-top:3px}
.section.plain{background:#fff}
.section.soft{background:var(--sky)}
.pain-grid,.fit-grid,.close-box{display:grid;gap:28px;align-items:center}
.pain-grid{grid-template-columns:.92fr 1.08fr}
.fit-grid{grid-template-columns:.84fr 1.16fr;align-items:stretch}
.shot{border-radius:24px;overflow:hidden;box-shadow:var(--shadow);border:1px solid #edf2f8;min-height:100%}
.shot img{width:100%;height:100%;object-fit:cover;min-height:340px}
.issue-list{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.issue-list li{display:grid;grid-template-columns:46px 1fr;gap:12px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:14px;box-shadow:var(--shadow-soft)}
.issue-list i{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;background:var(--amber-soft);color:var(--amber)}
.issue-list strong{display:block;color:var(--blue-ink)}
.issue-list span{color:var(--muted);font-size:15px}
.kicker{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-weight:800;font-size:13px;letter-spacing:.04em;text-transform:uppercase;margin-bottom:8px}
.step-rail{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;counter-reset:step}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px 16px 16px;box-shadow:var(--shadow-soft);min-height:100%}
.step em{counter-increment:step;content:"";display:grid;place-items:center;width:36px;height:36px;border-radius:12px;background:var(--blue);color:#fff;font-style:normal;font-weight:800;margin-bottom:12px}
.step em::before{content:counter(step)}
.step h3{margin:0 0 6px;font-size:1.05rem;color:var(--blue-ink)}
.step p{margin:0;color:var(--muted);font-size:15px}
.metrics{background:linear-gradient(180deg,#143e86,#10284d);color:#fff}
.metric-row{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.metric{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:20px;padding:18px}
.metric b{display:block;font-size:clamp(1.7rem,3vw,2.3rem);letter-spacing:-.04em;line-height:1.1}
.metric span{display:block;margin-top:6px;color:rgba(255,255,255,.82)}
.voice-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:16px}
.review{border-radius:22px;overflow:hidden;min-height:280px;box-shadow:var(--shadow)}
.review-body{padding:28px}
.review-body p{font-size:1.12rem;margin:0 0 16px}
.review-body cite{font-style:normal;font-weight:700}
.quote-side{display:grid;gap:16px}
.quote-card{background:#fff;border-radius:22px;border:1px solid var(--line);box-shadow:var(--shadow-soft);padding:20px}
.quote-card p{margin:0 0 12px;color:var(--ink)}
.quote-card span{color:var(--muted);font-weight:700;font-size:14px}
.person{background:#fff;border-radius:22px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-soft)}
.person .pad{padding:16px 16px 18px}
.person h3{margin:0 0 6px;font-size:1.08rem;color:var(--blue-ink)}
.person p{margin:0;color:var(--muted);font-size:15px}
.badge{display:inline-flex;align-items:center;gap:6px;background:var(--blue-soft);color:var(--blue-deep);border-radius:999px;padding:4px 10px;font-size:12px;font-weight:800;margin-bottom:8px}
.note-list{display:grid;gap:14px}
.note{display:grid;grid-template-columns:168px 1fr;gap:16px;background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:var(--shadow-soft)}
.note img{width:100%;height:100%;min-height:132px;object-fit:cover}
.note div{padding:16px 16px 16px 0}
.note time{color:var(--amber);font-weight:800;font-size:13px}
.note h3{margin:4px 0 6px;font-size:1.08rem;color:var(--blue-ink)}
.note p{margin:0;color:var(--muted)}
.close{background:linear-gradient(180deg,#e7f0fb,#f4f8fd)}
.close-box{grid-template-columns:1.05fr .95fr;background:#fff;border:1px solid var(--line);border-radius:28px;padding:28px;box-shadow:var(--shadow)}
.form-grid{display:grid;gap:12px}
label{font-weight:700;color:var(--blue-ink);font-size:14px}
input[type="text"],input[type="email"],select{width:100%;border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:14px;padding:12px 14px;margin-top:6px}
.btn-solid{background:var(--blue);color:#fff;box-shadow:0 10px 24px rgba(31,95,191,.22)}
.btn-solid:hover{background:var(--blue-deep);transform:translateY(-2px)}
.btn-solid:active{transform:translateY(0)}
.form-note{min-height:1.4em;margin:8px 0 0;color:var(--blue-deep);font-weight:700}
@media (max-width:1100px){
.nav-toggle{display:inline-flex}
.nav-links{display:none;position:absolute;top:var(--header);left:0;right:0;flex-direction:column;align-items:stretch;gap:6px;background:#fff;padding:12px 16px 18px;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
.site-header.is-open .nav-links{display:flex}
.nav-links a,.site-header.is-open .nav-links a{color:var(--ink)}
.nav-links a.active{background:var(--blue);color:#fff}
.nav-search{margin:6px 0 0}
.nav-search input{width:100%}
.banner-grid,.pain-grid,.fit-grid,.voice-grid,.close-box,.audience-grid{grid-template-columns:1fr}
.step-rail,.metric-row{grid-template-columns:1fr 1fr}
.note{grid-template-columns:140px 1fr}
}
@media (max-width:768px){
.section{padding:64px 0}
.page-banner{padding:112px 0 48px}
.spec-row{grid-template-columns:1fr}
.note{grid-template-columns:1fr}
.note div{padding:0 16px 16px}
.shot img,.device-card img,.person img{min-height:210px;height:220px}
.logo-text{font-size:13px}
}
@media (max-width:520px){
.step-rail,.metric-row{grid-template-columns:1fr}
.header-bar{width:calc(100% - 20px)}
.container{width:calc(100% - 20px)}
.page-banner h1{font-size:1.85rem}
.close-box{padding:18px}
.banner-actions .btn,.close-box .btn{width:100%}
}

/* roulang page: category7 */
:root{--blue:#1f5fbf;--blue-deep:#143e86;--blue-ink:#10284d;--blue-soft:#e7f0fb;--sky:#f4f8fd;--ink:#172536;--muted:#5c6d80;--line:#d7e3f0;--white:#fff;--amber:#e38a2a;--amber-soft:#fff4e8;--shadow:0 16px 40px rgba(20,62,134,.08);--shadow-soft:0 8px 24px rgba(20,62,134,.06);--radius:18px;--header:78px;--max:1160px}
/* roulang page: category7 */
html{scroll-behavior:smooth}
*,*::before,*::after{box-sizing:border-box}
body{margin:0;font-family:"Be Vietnam Pro",sans-serif;color:var(--ink);background:var(--sky);line-height:1.75;font-size:16.5px}
img{max-width:100%;display:block;height:auto}
a{color:var(--blue-deep);text-decoration:none}
button,input{font-family:inherit}
.container{width:min(var(--max),calc(100% - 32px));margin:0 auto}
.site-header{position:fixed;top:0;left:0;right:0;z-index:50;height:var(--header);display:flex;align-items:center;justify-content:center;background:rgba(10,28,52,.38);border-bottom:1px solid rgba(255,255,255,.22);box-shadow:0 10px 30px rgba(8,20,40,.08);backdrop-filter:blur(16px);transition:background .25s ease,box-shadow .25s ease,border-color .25s ease}
.site-header.is-stuck,.site-header.is-open{background:rgba(255,255,255,.96);border-bottom-color:var(--line);box-shadow:0 10px 28px rgba(16,40,77,.08)}
.header-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;width:min(var(--max),calc(100% - 32px));margin:0 auto}
.logo{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;letter-spacing:-.02em;min-width:0}
.site-header.is-stuck .logo,.site-header.is-open .logo{color:var(--blue-ink)}
.logo-mark{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:#fff;color:var(--blue);font-weight:800;box-shadow:var(--shadow-soft);flex:0 0 auto}
.site-header.is-stuck .logo-mark,.site-header.is-open .logo-mark{background:var(--blue);color:#fff}
.logo-text{font-size:15px;line-height:1.2;white-space:nowrap}
.nav-toggle{display:none;border:1px solid rgba(255,255,255,.4);background:transparent;color:#fff;border-radius:12px;padding:8px 12px;font-weight:700;cursor:pointer}
.site-header.is-stuck .nav-toggle,.site-header.is-open .nav-toggle{color:var(--blue-ink);border-color:var(--line);background:#fff}
.nav-toggle:hover{background:rgba(255,255,255,.16)}
.nav-toggle:focus-visible,.btn:focus-visible,.nav-search input:focus-visible,a:focus-visible{outline:3px solid #8eb6f5;outline-offset:3px}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{color:rgba(255,255,255,.92);font-size:13.5px;font-weight:600;padding:8px 8px;border-radius:999px;transition:background .2s ease,color .2s ease}
.site-header.is-stuck .nav-links a,.site-header.is-open .nav-links a{color:var(--ink)}
.nav-links a:hover,.nav-links a:focus-visible{background:rgba(255,255,255,.16);color:#fff}
.site-header.is-stuck .nav-links a:hover,.site-header.is-open .nav-links a:hover{background:var(--blue-soft);color:var(--blue-deep)}
.nav-links a.active{background:rgba(255,255,255,.2);color:#fff}
.site-header.is-stuck .nav-links a.active,.site-header.is-open .nav-links a.active{background:var(--blue);color:#fff}
.nav-search{margin-left:8px}
.nav-search input{width:158px;border:1px solid rgba(255,255,255,.35);background:rgba(255,255,255,.16);color:#fff;border-radius:999px;padding:8px 12px;font-size:13px}
.site-header.is-stuck .nav-search input,.site-header.is-open .nav-search input{background:#fff;color:var(--ink);border-color:var(--line)}
.nav-search input::placeholder{color:rgba(255,255,255,.8)}
.site-header.is-stuck .nav-search input::placeholder,.site-header.is-open .nav-search input::placeholder{color:var(--muted)}
.hero{position:relative;min-height:760px;padding:138px 0 96px;background:linear-gradient(180deg,rgba(8,24,48,.78),rgba(16,48,96,.62)),url("/assets/images/f5e8df20ea2eda96.webp") center/cover no-repeat;color:#fff}
.hero-inner{max-width:820px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:999px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);font-size:13px;font-weight:700;letter-spacing:.02em}
.hero h1{margin:16px 0 12px;font-size:clamp(2rem,4.4vw,3.45rem);line-height:1.18;letter-spacing:-.03em;font-weight:800;color:#fff}
.lead{font-size:1.02rem;color:rgba(255,255,255,.92);max-width:74ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin:22px 0 28px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:999px;padding:13px 22px;font-weight:700;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease}
.btn-primary{background:#fff;color:var(--blue-deep);box-shadow:0 10px 24px rgba(0,0,0,.16)}
.btn-primary:hover{transform:translateY(-2px);background:#f4f8ff}
.btn-primary:active{transform:translateY(0)}
.btn-line{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.45)}
.btn-line:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}
.btn-line:active{transform:translateY(0)}
.chip{display:inline-flex;align-items:center;gap:8px;padding:10px 14px;border-radius:14px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);font-size:14px}
.demo-stage{background:rgba(255,255,255,.96);color:var(--ink);border-radius:24px;box-shadow:0 24px 60px rgba(5,16,36,.28);overflow:hidden;border:1px solid rgba(255,255,255,.5)}
.demo-body{display:grid;grid-template-columns:1.5fr .9fr;gap:12px;padding:12px;background:#eef4fb}
.demo-main,.demo-side img{border-radius:16px;width:100%;height:100%;object-fit:cover}
.demo-main{min-height:280px}
.demo-side img{height:134px}
.demo-pills{display:flex;flex-wrap:wrap;gap:8px;padding:0 12px 14px;background:#eef4fb;margin:0;list-style:none}
.demo-pills li{background:#fff;border-radius:999px;padding:7px 12px;font-size:13px;font-weight:650;color:var(--blue-deep);box-shadow:var(--shadow-soft)}
.section{padding:84px 0}
.section h2{margin:0 0 12px;font-size:clamp(1.6rem,3vw,2.25rem);line-height:1.25;letter-spacing:-.03em;color:var(--blue-ink)}
.section-lead{max-width:78ch;color:var(--muted);margin:0 0 28px}
.photo-frame{border-radius:24px;overflow:hidden;box-shadow:var(--shadow);border:1px solid #edf2f8;background:#fff}
.photo-frame img{width:100%;height:100%;object-fit:cover;min-height:360px}
.bento img{width:100%;height:210px;object-fit:cover}
.bento-side img{height:100%;min-height:150px}
.metrics{background:linear-gradient(180deg,#143e86,#10284d);color:#fff}
.metrics h2,.metrics .section-lead{color:#fff}
.metrics .section-lead{color:rgba(255,255,255,.8)}
.review{background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow-soft);padding:22px}
.review.feature{background:url("/assets/images/69f50e3e1cb5c1f7.webp") center/cover no-repeat;color:#fff;min-height:100%;position:relative;overflow:hidden}
.review.feature::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(16,40,77,.2),rgba(16,40,77,.78));border-radius:22px}
.review.feature .review-body{position:relative}
.audience-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:16px}
.person{background:#fff;border-radius:22px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-soft)}
.person img{width:100%;height:180px;object-fit:cover}
.person-body{padding:16px 16px 18px}
.person h3{margin:0 0 6px;font-size:1.05rem;color:var(--blue-ink)}
.person p{margin:0;color:var(--muted);font-size:.95rem}
.spec-list{background:#fff;border-radius:24px;box-shadow:var(--shadow);overflow:hidden;border:1px solid #edf2f8}
.spec-row{display:grid;grid-template-columns:220px 1fr;gap:12px;padding:16px 18px;border-bottom:1px solid var(--line);align-items:center}
.spec-row:last-child{border-bottom:0}
.spec-row strong{color:var(--blue-ink);font-size:1rem}
.spec-row span{color:var(--muted)}
.spec-row:hover{background:var(--blue-soft)}
.site-footer{background:var(--blue-ink);color:rgba(255,255,255,.86);padding:48px 0 36px}
.site-footer .logo{color:#fff}
.site-footer .logo-mark{background:#fff;color:var(--blue)}
.site-footer p{margin:12px 0}
.site-footer a{color:#fff;font-weight:650}
.site-footer a:hover{color:#ffd7b0}
.fine{font-size:13px;color:rgba(255,255,255,.72)}
.page-hero{position:relative;padding:132px 0 78px;color:#fff;background:linear-gradient(105deg,rgba(10,28,52,.9) 0%,rgba(20,62,134,.72) 48%,rgba(31,95,191,.42) 100%),url("/assets/images/7e0904303d910fc7.webp") center/cover no-repeat}
.crumb{display:flex;gap:8px;align-items:center;color:rgba(255,255,255,.82);font-size:13px;font-weight:600;margin-bottom:14px}
.crumb a{color:#fff}
.page-hero h1{margin:14px 0 12px;font-size:clamp(2rem,4.2vw,3.35rem);line-height:1.16;letter-spacing:-.03em;font-weight:800;color:#fff;max-width:16ch}
.hero-split{display:grid;grid-template-columns:1.08fr .92fr;gap:28px;align-items:end}
.highlight-row{display:flex;flex-wrap:wrap;gap:10px;margin:8px 0 0;padding:0;list-style:none}
.machine-board{background:rgba(255,255,255,.97);color:var(--ink);border-radius:24px;box-shadow:0 24px 60px rgba(5,16,36,.28);padding:16px;border:1px solid rgba(255,255,255,.6)}
.board-head{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:6px 6px 12px}
.board-head h2{margin:0;font-size:1.15rem;color:var(--blue-ink);letter-spacing:-.02em}
.badge{display:inline-flex;align-items:center;gap:6px;background:var(--amber-soft);color:#9a5410;border-radius:999px;padding:6px 10px;font-size:12px;font-weight:800}
.entry{display:grid;grid-template-columns:46px 1fr auto;gap:12px;align-items:center;padding:12px;border-radius:16px;background:#fff;border:1px solid var(--line);margin-bottom:10px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.entry:last-child{margin-bottom:0}
.entry:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:#c5d8f2}
.entry-mark{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;background:var(--blue-soft);color:var(--blue);font-size:18px}
.entry h3{margin:0;font-size:1rem;color:var(--blue-ink)}
.entry p{margin:2px 0 0;color:var(--muted);font-size:.9rem}
.entry-go{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:var(--sky);color:var(--blue-deep);border:1px solid var(--line)}
.entry:hover .entry-go{background:var(--blue);color:#fff}
.board-note{margin:12px 6px 4px;color:var(--muted);font-size:.9rem}
.sheet{background:#fff}
.pain-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:28px;align-items:center}
.issue-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px}
.issue-list li{display:grid;grid-template-columns:42px 1fr;gap:12px;background:var(--sky);border:1px solid var(--line);border-radius:16px;padding:14px;transition:transform .2s ease,box-shadow .2s ease}
.issue-list li:hover{transform:translateX(4px);box-shadow:var(--shadow-soft)}
.issue-list i{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:#fff;color:var(--amber);box-shadow:var(--shadow-soft)}
.issue-list strong{display:block;color:var(--blue-ink)}
.issue-list span{color:var(--muted);font-size:.94rem}
.caption-card{position:relative;border-radius:24px;overflow:hidden;min-height:420px;box-shadow:var(--shadow)}
.caption-card img{width:100%;height:100%;object-fit:cover;min-height:420px}
.caption-card figcaption{position:absolute;left:14px;right:14px;bottom:14px;background:rgba(255,255,255,.94);border-radius:16px;padding:14px 16px;color:var(--ink);box-shadow:var(--shadow-soft)}
.caption-card strong{display:block;color:var(--blue-ink)}
.band-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:26px;align-items:start}
.kicker{color:var(--blue);font-weight:800;font-size:13px;letter-spacing:.04em;text-transform:uppercase;margin:0 0 8px}
.step-rail{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;position:relative}
.step{background:#fff;border:1px solid var(--line);border-radius:20px;padding:18px 16px 20px;box-shadow:var(--shadow-soft);min-height:100%}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease}
.step b{display:grid;place-items:center;width:36px;height:36px;border-radius:50%;background:var(--blue);color:#fff;margin-bottom:10px;font-size:.95rem}
.step h3{margin:0 0 6px;font-size:1.05rem;color:var(--blue-ink)}
.step p{margin:0;color:var(--muted);font-size:.94rem}
.metric-row{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid rgba(255,255,255,.16);border-radius:22px;overflow:hidden}
.metric{padding:22px 18px;border-right:1px solid rgba(255,255,255,.14)}
.metric:last-child{border-right:0}
.metric strong{display:block;font-size:clamp(1.8rem,3vw,2.5rem);letter-spacing:-.04em;line-height:1}
.metric span{display:block;margin-top:6px;color:rgba(255,255,255,.8)}
.voice-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:16px}
.voice-stack{display:flex;flex-direction:column;gap:16px}
.quote{margin:0;font-size:1.18rem;line-height:1.55;font-weight:650}
.who{margin-top:16px;font-size:.92rem;color:rgba(255,255,255,.86)}
.review .who{color:var(--muted)}
.group-copy{padding:18px 4px 0 0}
.note-list{display:flex;flex-direction:column;gap:12px}
.note{display:grid;grid-template-columns:148px 1fr;gap:16px;background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:var(--shadow-soft)}
.note img{width:100%;height:100%;min-height:120px;object-fit:cover}
.note div{padding:14px 16px 14px 0}
.note h3{margin:0 0 4px;font-size:1.05rem;color:var(--blue-ink)}
.note p{margin:0;color:var(--muted)}
.tag{display:inline-flex;margin-bottom:6px;background:var(--blue-soft);color:var(--blue-deep);border-radius:999px;padding:3px 8px;font-size:12px;font-weight:800}
.close-band{margin-top:22px;display:flex;justify-content:space-between;gap:18px;align-items:center;background:linear-gradient(90deg,#1f5fbf,#143e86);color:#fff;border-radius:24px;padding:22px 24px;box-shadow:var(--shadow)}
.close-band h2{color:#fff;margin:0 0 6px;font-size:1.55rem}
.close-band p{margin:0;color:rgba(255,255,255,.86)}
@media (max-width:1180px){
.nav-toggle{display:inline-flex}
.nav-links{display:none;position:absolute;top:var(--header);left:0;right:0;flex-direction:column;align-items:stretch;gap:4px;background:#fff;padding:12px 16px 18px;border-bottom:1px solid var(--line);box-shadow:var(--shadow);max-height:calc(100vh - var(--header));overflow:auto}
.site-header.is-open .nav-links{display:flex}
.nav-links a{color:var(--ink)}
.nav-links a:hover{background:var(--blue-soft);color:var(--blue-deep)}
.nav-links a.active{background:var(--blue);color:#fff}
.nav-search{margin:8px 0 0}
.nav-search input{width:100%;background:#fff;color:var(--ink);border-color:var(--line)}
.nav-search input::placeholder{color:var(--muted)}
}
@media (max-width:1024px){
.section{padding:68px 0}
.hero-split,.pain-grid,.band-wrap,.voice-grid,.audience-grid{grid-template-columns:1fr}
.step-rail{grid-template-columns:1fr 1fr}
.metric-row{grid-template-columns:1fr 1fr}
.metric:nth-child(2){border-right:0}
.metric:nth-child(1),.metric:nth-child(2){border-bottom:1px solid rgba(255,255,255,.14)}
.page-hero h1{max-width:none}
.foot-meta{text-align:left}
}
@media (min-width:1024px){.foot-meta{text-align:right}}
@media (max-width:768px){
.section{padding:56px 0}
.page-hero{padding:118px 0 56px}
.spec-row,.note,.close-band{grid-template-columns:1fr}
.note div{padding:0 14px 14px}
.note img{min-height:180px}
.close-band{flex-direction:column;align-items:flex-start}
.caption-card,.caption-card img,.photo-frame img{min-height:260px}
.audience-grid{grid-template-columns:1fr}
}
@media (max-width:520px){
.logo-text{font-size:13px}
.header-bar{gap:8px}
.step-rail,.metric-row{grid-template-columns:1fr}
.metric{border-right:0;border-bottom:1px solid rgba(255,255,255,.14)}
.metric:last-child{border-bottom:0}
.hero-actions .btn{width:100%}
.entry{grid-template-columns:42px 1fr}
.entry-go{display:none}
.section h2,.close-band h2{font-size:1.45rem}
}