:root{--ink:#071a2b;--blue:#0d6efd;--cyan:#44d7c2;--paper:#f4f7fb;--muted:#697786;--line:#dfe6ed}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.65}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}.nav{height:72px;position:fixed;z-index:20;top:0;left:0;right:0;display:flex;align-items:center;justify-content:space-between;padding:0 5vw;background:rgba(244,247,251,.88);backdrop-filter:blur(18px);border-bottom:1px solid rgba(7,26,43,.08)}.brand{display:flex;align-items:center;gap:10px;font-weight:800}.mark{display:grid;place-items:center;width:34px;height:34px;border-radius:11px;background:var(--ink);color:#fff}.nav nav{display:flex;gap:32px;font-size:14px}.nav nav a:hover{color:var(--blue)}.nav-cta{padding:10px 18px;border-radius:999px;background:var(--ink);color:#fff;font-size:14px}.hero{min-height:760px;padding:150px 7vw 80px;display:grid;grid-template-columns:1.08fr .92fr;align-items:center;gap:5vw;overflow:hidden;background:radial-gradient(circle at 82% 30%,#d8f7ff 0,transparent 32%),linear-gradient(145deg,#f8fbff,#eef4fa)}.eyebrow{font-size:12px;font-weight:800;letter-spacing:.2em;color:var(--blue);margin:0 0 18px}.hero h1{font-size:clamp(42px,5.3vw,78px);line-height:1.08;letter-spacing:-.045em;margin:0}.hero h1 em{font-style:normal;color:var(--blue)}.lead{max-width:680px;font-size:18px;color:#4c5d6c;margin:28px 0}.actions{display:flex;gap:12px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;padding:14px 22px;border-radius:12px;font-weight:700}.primary{background:var(--blue);color:#fff;box-shadow:0 15px 35px rgba(13,110,253,.22)}.ghost{border:1px solid #cbd6e0;background:rgba(255,255,255,.5)}.proof{display:flex;gap:40px;margin-top:50px}.proof div{display:flex;flex-direction:column}.proof b{font-size:30px}.proof span{font-size:13px;color:var(--muted)}.hero-visual{position:relative;min-height:520px;display:grid;place-items:center}.pet-core{position:relative;z-index:2;width:min(390px,80%);height:390px;border-radius:50%;overflow:hidden;background:linear-gradient(140deg,#8fcbff,#edf8ff);box-shadow:0 40px 90px rgba(12,55,92,.2)}.pet-core img{width:100%;height:100%;object-fit:cover}.orbit{position:absolute;border:1px solid rgba(13,110,253,.2);border-radius:50%}.o1{width:480px;height:480px}.o2{width:610px;height:610px}.float-card{position:absolute;z-index:3;min-width:145px;padding:14px 17px;background:rgba(255,255,255,.88);backdrop-filter:blur(14px);border:1px solid #fff;border-radius:16px;box-shadow:0 15px 38px rgba(18,50,78,.12)}.float-card small{display:block;color:var(--muted)}.float-card strong{font-size:18px}.float-card i{display:inline-block;width:7px;height:7px;background:#2ab47b;border-radius:50%;margin-right:5px}.f1{left:0;top:20%}.f2{right:-2%;top:42%}.f3{left:8%;bottom:12%}.strip{display:flex;align-items:center;justify-content:center;gap:24px;padding:18px 5vw;background:var(--ink);color:#fff;font-size:13px;letter-spacing:.08em;overflow:hidden}.strip i{width:4px;height:4px;border-radius:50%;background:var(--cyan)}.section{padding:110px 7vw}.section-head{display:grid;grid-template-columns:1fr minmax(300px,520px);align-items:end;gap:40px;margin-bottom:50px}.section-head h2,.company h2,.closing h2{font-size:clamp(34px,4vw,58px);letter-spacing:-.04em;line-height:1.12;margin:0}.section-head>p{color:var(--muted);margin:0}.loop{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.loop article{padding:28px;border:1px solid var(--line);background:#fff;border-radius:18px;min-height:220px}.loop span{font-size:12px;color:var(--blue);font-weight:800}.loop b{display:block;font-size:20px;margin:28px 0 8px}.loop p{color:var(--muted);margin:0;font-size:14px}.scope-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:18px;margin-top:20px}.scope-grid>div{padding:40px;border-radius:22px;background:var(--ink);color:#fff}.scope-grid .scope-side{background:#dff8f2;color:var(--ink)}.tag{display:inline-block;padding:6px 10px;background:rgba(68,215,194,.16);color:var(--cyan);border-radius:7px;font-size:12px;font-weight:800}.tag.alt{background:#fff;color:#16816f}.scope-grid h3{font-size:26px}.scope-grid ul{padding:0;margin:22px 0 0;display:grid;grid-template-columns:1fr 1fr;gap:11px;list-style:none}.scope-grid li:before{content:'✓';color:var(--cyan);margin-right:8px}.scope-side ul{grid-template-columns:1fr}.scope-side li:before{color:#16816f}.dark{background:var(--ink);color:#fff}.light>p{color:#9cadbb}.tabs{display:flex;gap:8px;margin-bottom:20px}.tab{border:1px solid #294055;background:transparent;color:#9fb1c1;padding:12px 18px;border-radius:10px;cursor:pointer;font:inherit}.tab.active{background:#fff;color:var(--ink)}.ui-stage{min-height:620px;display:grid;grid-template-columns:.9fr 1.1fr;align-items:center;gap:7vw;padding:60px;border-radius:28px;background:linear-gradient(135deg,#102b43,#0a2034);overflow:hidden}.ui-copy .concept{font-size:12px;letter-spacing:.18em;color:var(--cyan)}.ui-copy h3{font-size:44px;margin:12px 0}.ui-copy p{color:#b4c1cc;font-size:18px}.ui-copy ul{list-style:none;padding:0}.ui-copy li{margin:10px 0}.ui-copy li:before{content:'—';color:var(--cyan);margin-right:10px}.palette{display:flex;gap:8px;margin-top:28px}.palette i{width:34px;height:10px;border-radius:10px;background:var(--c)}.phone-wrap{text-align:center}.phone{width:min(360px,82vw);height:600px;margin:auto;padding:9px;border-radius:42px;background:#05090d;box-shadow:0 38px 80px rgba(0,0,0,.5);overflow:hidden}.phone img{width:100%;height:100%;object-fit:cover;border-radius:34px}.note{display:inline-block;margin-top:14px;color:#7990a4;font-size:12px}.global-grid{display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:18px}.global-grid>div{padding:32px;border-radius:20px;background:#fff;border:1px solid var(--line)}.world-card{background:var(--ink)!important;color:#fff!important}.globe{display:flex;align-items:center;justify-content:center;gap:16px;min-height:120px;border:1px solid #284258;border-radius:50%;font-size:22px;font-weight:800}.globe span{color:var(--cyan)}.world-card p,.checklist p{margin:20px 0 0;color:#71808d}.world-card p{color:#a7b6c3}.checklist h3{margin:0}.checklist.warn{border-color:#f2d7b7;background:#fff9f0}.roadmap{display:grid;grid-template-columns:1fr 1fr;gap:18px}.roadmap article{background:#fff;border:1px solid var(--line);border-radius:22px;padding:34px}.roadmap header{display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:center}.roadmap header span{font-size:11px;color:var(--blue);font-weight:800}.roadmap header b{font-size:20px}.roadmap header em{font-style:normal;color:var(--muted);font-size:13px}.price{font-size:42px;font-weight:800;margin:34px 0 12px}.price small{font-size:12px;color:var(--muted);margin-left:8px}.roadmap article p{color:var(--muted)}.ops{margin-top:18px;padding:24px 28px;border-radius:16px;background:#e8eff7;display:grid;grid-template-columns:120px 1fr}.ops span{color:#536575}.cases .section-head{margin-bottom:60px}.case-feature{display:grid;grid-template-columns:.75fr 1.25fr;gap:50px;align-items:center;margin-bottom:26px}.case-copy span,.case-grid span{color:var(--cyan);font-size:12px;font-weight:800}.case-copy h3{font-size:36px;line-height:1.2}.case-copy p{color:#a7b6c3}.chips{display:flex;gap:8px;flex-wrap:wrap}.chips b{font-size:12px;border:1px solid #355064;padding:6px 10px;border-radius:999px}.case-gallery{display:grid;grid-template-columns:.42fr .58fr;gap:12px;height:430px}.case-gallery img{width:100%;height:100%;object-fit:cover;border-radius:20px}.case-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.case-grid article{display:grid;grid-template-columns:44% 56%;min-height:300px;background:#102b43;border-radius:20px;overflow:hidden}.case-grid img{width:100%;height:100%;object-fit:cover}.case-grid div{padding:30px}.case-grid h3{font-size:22px;margin:16px 0 8px}.case-grid p{color:#9fb0be;font-size:14px}.company-card{padding:55px;background:#fff;border:1px solid var(--line);border-radius:24px;display:grid;grid-template-columns:1.2fr .8fr;gap:60px}.company-card>div>p:last-child{color:var(--muted);max-width:720px}.company dl{margin:0}.company dl div{padding:17px 0;border-bottom:1px solid var(--line)}.company dt{font-size:12px;color:var(--muted)}.company dd{margin:4px 0 0;font-weight:700}.closing{text-align:center;padding:110px 7vw;background:var(--blue);color:#fff}.closing .eyebrow{color:#b9f9ee}.closing p:not(.eyebrow){margin:20px auto 30px;max-width:650px;color:#dbe9ff}.white{background:#fff;color:var(--blue)}footer{padding:28px 7vw;background:#051321;color:#8397a7;display:flex;justify-content:space-between;gap:20px;font-size:12px}
@media(max-width:900px){.nav nav{display:none}.hero{grid-template-columns:1fr;padding-top:120px}.hero-visual{min-height:430px}.pet-core{width:300px;height:300px}.o1{width:360px;height:360px}.o2{width:440px;height:440px}.f2{right:0}.section{padding:80px 5vw}.section-head,.scope-grid,.ui-stage,.global-grid,.case-feature,.company-card{grid-template-columns:1fr}.loop{grid-template-columns:1fr 1fr}.ui-stage{padding:36px 22px}.roadmap,.case-grid{grid-template-columns:1fr}.case-feature{gap:28px}.company-card{gap:25px}}
@media(max-width:560px){.nav{height:64px;padding:0 18px}.nav-cta{padding:8px 12px}.hero{padding:110px 20px 60px;min-height:auto}.hero h1{font-size:42px}.lead{font-size:16px}.proof{gap:24px}.hero-visual{min-height:390px}.pet-core{width:245px;height:245px}.o1{width:300px;height:300px}.o2{width:370px;height:370px}.float-card{min-width:125px;padding:10px}.f1{top:12%}.f3{bottom:8%;left:0}.strip{justify-content:flex-start}.section{padding:70px 20px}.section-head{display:block}.section-head>p{margin-top:18px}.loop{grid-template-columns:1fr}.scope-grid>div{padding:28px}.scope-grid ul{grid-template-columns:1fr}.tabs{overflow:auto}.tab{white-space:nowrap}.ui-copy h3{font-size:34px}.phone{height:560px}.global-grid{grid-template-columns:1fr}.roadmap{grid-template-columns:1fr}.roadmap header{grid-template-columns:1fr}.price{font-size:34px}.ops{grid-template-columns:1fr;gap:8px}.case-gallery{height:500px;grid-template-columns:1fr 1.5fr}.case-grid article{grid-template-columns:1fr;min-height:auto}.case-grid img{height:230px}.company-card{padding:30px}.closing{padding:80px 20px}footer{flex-direction:column}}

/* premium proposal direction */
:root{--ink:#06111f;--blue:#5b8cff;--cyan:#67f4d2;--paper:#081421;--muted:#91a3b5;--line:rgba(255,255,255,.11)}body{background:#081421;color:#f5f8fb}.nav{background:rgba(6,17,31,.68);border-color:rgba(255,255,255,.08);color:#fff}.mark{background:linear-gradient(135deg,#79a4ff,#55edcf);color:#07111e}.nav-cta{background:#fff;color:#07111e}.hero{min-height:900px;background:radial-gradient(circle at 78% 42%,rgba(74,114,255,.24),transparent 27%),radial-gradient(circle at 24% 18%,rgba(27,219,185,.10),transparent 23%),#06111f}.hero h1{font-size:clamp(48px,6vw,92px);max-width:900px}.hero h1 em{background:linear-gradient(90deg,#72a0ff,#65f2d0);-webkit-background-clip:text;color:transparent}.lead{color:#a8b5c2}.ghost{border-color:rgba(255,255,255,.18);background:rgba(255,255,255,.06);color:#fff}.proof span{color:#8396a8}.hero-visual{min-height:670px;perspective:1300px}.halo{position:absolute;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(96,239,210,.25),rgba(75,109,255,.12) 44%,transparent 70%);filter:blur(8px)}.device-stack{position:absolute;inset:20px 0;display:grid;place-items:center}.mini-phone{position:absolute;width:230px;height:500px;padding:7px;border-radius:35px;background:#02070d;overflow:hidden;box-shadow:0 50px 100px rgba(0,0,0,.55);border:1px solid rgba(255,255,255,.14)}.mini-phone img{width:100%;height:100%;object-fit:cover;border-radius:28px}.mini-phone.center{z-index:3;transform:translateY(-4px)}.mini-phone.left{z-index:1;transform:translate(-155px,38px) rotateY(14deg) rotateZ(-8deg);opacity:.7}.mini-phone.right{z-index:2;transform:translate(155px,34px) rotateY(-14deg) rotateZ(8deg);opacity:.8}.float-card{background:rgba(8,22,37,.8);border-color:rgba(255,255,255,.12);color:#fff;box-shadow:0 25px 60px rgba(0,0,0,.35)}.float-card small{color:#7f94a8;font-size:10px;letter-spacing:.12em}.f1{left:-4%;top:24%}.f2{right:-3%;top:47%}.f3{left:4%;bottom:12%}.strip{background:#0a1a29;border-top:1px solid rgba(255,255,255,.08);border-bottom:1px solid rgba(255,255,255,.08)}.section{background:#081421}.section:nth-of-type(3),.section:nth-of-type(5),.section.company{background:#eef3f8;color:#081421}.section-head>p{color:#7e91a3}.loop article,.scope-grid>div,.global-grid>div,.roadmap article,.company-card{background:rgba(255,255,255,.045);border-color:rgba(255,255,255,.1);backdrop-filter:blur(16px)}.loop p,.roadmap article p{color:#8ea0b1}.scope-grid .scope-side{background:linear-gradient(135deg,#6ff2d3,#b9f8eb);color:#07111e}.dark{background:#040d17!important}.ui-toolbar{display:flex;justify-content:space-between;align-items:center;gap:20px}.lang-switch{display:flex;padding:4px;border:1px solid #294055;border-radius:10px}.lang-switch button{border:0;background:transparent;color:#8ca0b1;padding:8px 13px;border-radius:7px;cursor:pointer}.lang-switch button.active{background:#fff;color:#07111e}.ui-stage{background:radial-gradient(circle at 76% 25%,rgba(92,134,255,.2),transparent 30%),linear-gradient(135deg,#10243a,#07111e);border:1px solid rgba(255,255,255,.1);box-shadow:0 50px 120px rgba(0,0,0,.32)}.phone{border:1px solid rgba(255,255,255,.24);box-shadow:0 45px 110px rgba(0,0,0,.7)}.world-card{background:linear-gradient(145deg,#0a2037,#07111e)!important}.global-grid .checklist{background:#fff;border-color:#dce5ed}.global-grid .checklist.warn{background:#fff7e9;border-color:#f0d5a9}.roadmap article{background:#fff;border-color:#dbe4ec}.ops{background:#dfe8f1}.cases{background:#040d17!important}.case-grid article{background:#0c1c2b;border:1px solid rgba(255,255,255,.08)}.company-card{background:#fff;border-color:#dce5ed;box-shadow:0 30px 90px rgba(8,24,40,.08)}.closing{background:radial-gradient(circle at 50% 0,rgba(110,242,209,.23),transparent 35%),linear-gradient(135deg,#3468ef,#112c74)}
@media(max-width:900px){.hero{min-height:auto}.hero-visual{min-height:650px}.mini-phone{width:210px;height:460px}.mini-phone.left{transform:translate(-120px,45px) rotate(-7deg)}.mini-phone.right{transform:translate(120px,42px) rotate(7deg)}.ui-toolbar{align-items:flex-start;flex-direction:column}}
@media(max-width:560px){.hero-visual{min-height:520px}.mini-phone{width:170px;height:370px}.mini-phone.left{transform:translate(-75px,52px) rotate(-7deg)}.mini-phone.right{transform:translate(75px,50px) rotate(7deg)}.float-card{display:none}.ui-toolbar{gap:10px}.lang-switch{align-self:flex-end}.phone{height:560px}}

/* review fixes */
.mark{overflow:hidden;background:transparent}.mark img{width:100%;height:100%;object-fit:contain}.proof{gap:64px}
.scope-main{position:relative;overflow:hidden;background:#071727!important;color:#fff!important;border:1px solid rgba(255,255,255,.14)!important}.scope-main:before{content:'';position:absolute;inset:0;background:linear-gradient(115deg,rgba(42,122,255,.32),transparent 52%),url('assets/tech-bg.webp') center/cover;opacity:.45}.scope-main>*{position:relative}.scope-main h3,.scope-main li{color:#fff}.scope-main .tag{background:#6ff2d3;color:#06111f}
.bilingual-label{font-size:12px;color:#8196aa;letter-spacing:.12em}.ui-stage{grid-template-columns:.68fr 1.32fr;padding:50px;min-height:680px}.dual-phones{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:end}.phone-unit{text-align:center}.phone-unit>span{display:inline-block;margin-bottom:12px;font-size:11px;letter-spacing:.14em;color:#7f94a8}.phone-unit .phone{width:min(286px,100%);height:570px}.phone-unit .phone img{object-position:top}
#roadmap{position:relative;background:#06111f url('assets/tech-bg.webp') center/cover fixed!important;color:#fff}#roadmap:before{content:'';position:absolute;inset:0;background:rgba(3,13,24,.62)}#roadmap>*{position:relative}#roadmap .section-head>p{color:#b4c2ce}#roadmap .roadmap article{background:rgba(7,22,38,.82);color:#fff;border:1px solid rgba(255,255,255,.18);box-shadow:0 24px 70px rgba(0,0,0,.28)}#roadmap .roadmap article p,#roadmap .roadmap header em,#roadmap .price small{color:#b8c7d4}#roadmap .price{color:#fff}#roadmap .ops{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.16);backdrop-filter:blur(16px)}#roadmap .ops span{color:#d6e1ea}
.case-gallery img{object-fit:contain;background:#0c1c2b}.case-grid img{object-fit:contain;background:#eef3f8}.case-grid article{grid-template-columns:46% 54%}.case-grid article img{padding:8px}.case-feature{align-items:stretch}.case-gallery{height:520px}
.company{background:#06111f!important;color:#fff!important}.company-card{position:relative;overflow:hidden;background:linear-gradient(135deg,rgba(11,36,59,.96),rgba(6,17,31,.96))!important;color:#fff!important;border:1px solid rgba(255,255,255,.12)!important;box-shadow:0 50px 120px rgba(0,0,0,.28)!important}.company-card:after{content:'';position:absolute;right:-10%;bottom:-45%;width:620px;height:620px;border-radius:50%;background:radial-gradient(circle,rgba(85,237,207,.18),transparent 67%)}.company-intro,.capability-grid{position:relative;z-index:1}.company-logo{display:block;width:72px;height:72px;margin-bottom:28px}.company-logo img{width:100%;height:100%;object-fit:contain}.company-intro>p:last-child{color:#a9bac9;max-width:660px}.capability-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.capability-grid>div{min-height:145px;padding:24px;border-radius:16px;background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.1);display:flex;flex-direction:column;justify-content:flex-end}.capability-grid b{font-size:19px}.capability-grid span{margin-top:8px;color:#8fa4b5;font-size:13px}.closing{padding-bottom:100px}.closing .white{display:none}

/* solution section visual refinement */
#solution .loop{position:relative;gap:0;padding:12px;border:1px solid rgba(22,66,105,.14);border-radius:26px;background:linear-gradient(135deg,#ffffff 0%,#f5f9fd 55%,#edf6f8 100%);box-shadow:0 24px 70px rgba(28,58,87,.08);overflow:hidden}
#solution .loop:before{content:'';position:absolute;inset:0;background:radial-gradient(circle at 6% 12%,rgba(91,140,255,.13),transparent 24%),radial-gradient(circle at 92% 82%,rgba(103,244,210,.14),transparent 28%);pointer-events:none}
#solution .loop article{position:relative;min-height:205px;padding:28px 30px;background:transparent;border:0;border-radius:16px;backdrop-filter:none}
#solution .loop article+article:before{content:'';position:absolute;left:0;top:28px;bottom:28px;width:1px;background:linear-gradient(180deg,transparent,rgba(34,73,109,.17),transparent)}
#solution .loop span{display:grid;place-items:center;width:34px;height:34px;border-radius:11px;background:#eaf1ff;color:#4779e8;box-shadow:inset 0 0 0 1px rgba(71,121,232,.1)}
#solution .loop b{margin:24px 0 8px;color:#091827;font-size:20px}
#solution .loop p{color:#71869a;line-height:1.65}
.scope-grid{gap:20px;margin-top:22px}
.scope-grid .scope-side{position:relative;overflow:hidden;background:linear-gradient(145deg,#102a42 0%,#0a1d30 56%,#0b2635 100%)!important;color:#fff!important;border:1px solid rgba(103,244,210,.2)!important;box-shadow:0 26px 70px rgba(8,34,55,.18)}
.scope-grid .scope-side:before{content:'';position:absolute;inset:0;background:radial-gradient(circle at 100% 0,rgba(103,244,210,.22),transparent 38%),linear-gradient(125deg,transparent 35%,rgba(91,140,255,.13));pointer-events:none}
.scope-grid .scope-side:after{content:'PHASE 02';position:absolute;right:28px;bottom:22px;color:rgba(255,255,255,.055);font-size:48px;font-weight:900;letter-spacing:-.04em;pointer-events:none}
.scope-grid .scope-side>*{position:relative;z-index:1}
.scope-grid .scope-side .tag{background:rgba(103,244,210,.12);color:#7df7da;border:1px solid rgba(103,244,210,.3)}
.scope-grid .scope-side h3{color:#fff}
.scope-grid .scope-side li{color:#d7e4ec}
.scope-grid .scope-side li:before{color:#67f4d2}
@media(max-width:900px){#solution .loop{grid-template-columns:1fr 1fr}#solution .loop article:nth-child(3):before{display:none}#solution .loop article:nth-child(n+3){border-top:1px solid rgba(34,73,109,.1)}}
@media(max-width:560px){#solution .loop{grid-template-columns:1fr;padding:10px}#solution .loop article{min-height:auto;padding:24px}#solution .loop article+article:before{left:24px;right:24px;top:0;bottom:auto;width:auto;height:1px;background:linear-gradient(90deg,transparent,rgba(34,73,109,.17),transparent)}#solution .loop article:nth-child(3):before{display:block}#solution .loop article:nth-child(n+3){border-top:0}.scope-grid .scope-side:after{font-size:36px}}
@media(max-width:900px){.ui-stage{grid-template-columns:1fr}.dual-phones{max-width:620px;margin:auto}.company-card{grid-template-columns:1fr}.case-gallery{height:460px}}
@media(max-width:560px){.bilingual-label{display:none}.dual-phones{gap:8px}.phone-unit .phone{height:410px;border-radius:24px;padding:5px}.phone-unit .phone img{border-radius:19px}.ui-stage{padding:28px 14px}.case-gallery{height:360px}.capability-grid{grid-template-columns:1fr}.case-grid article{grid-template-columns:1fr}.company-logo{width:58px;height:58px}}

/* unified case showcase */
.cases .section-head h2{font-size:clamp(40px,5vw,68px)}.case-feature{grid-template-columns:.72fr 1.28fr;gap:44px;align-items:center;padding:34px;border-radius:26px;background:linear-gradient(135deg,rgba(21,46,69,.7),rgba(8,23,38,.88));border:1px solid rgba(255,255,255,.1)}.case-gallery{display:block;height:auto;aspect-ratio:16/10;border-radius:20px;overflow:hidden;background:#0a1a29}.case-gallery img{width:100%;height:100%;object-fit:cover;padding:0;border-radius:0}.case-gallery img+img{display:none}.case-grid{margin-top:22px;gap:22px}.case-grid article{display:flex;flex-direction:column;min-height:0;background:linear-gradient(145deg,#10263a,#0a1b2b);border-radius:22px}.case-grid article img{width:100%;height:auto;aspect-ratio:16/10;object-fit:cover;padding:0;background:#0a1a29}.case-grid article div{padding:26px 30px 30px}.case-grid h3{margin:10px 0 8px}.case-grid p{margin:0}.closing h2{font-size:clamp(38px,4.5vw,64px)}.closing{background:linear-gradient(135deg,#173c89,#245ed8)}
@media(max-width:900px){.case-feature{grid-template-columns:1fr}.case-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.case-feature{padding:22px}.case-grid{grid-template-columns:1fr}.case-grid article img{height:auto}.cases .section-head h2{font-size:42px}}

.quote-details{position:relative;display:grid;gap:12px;margin-top:18px}.quote-details details{overflow:hidden;border:1px solid rgba(255,255,255,.16);border-radius:18px;background:rgba(5,19,33,.84);backdrop-filter:blur(18px)}.quote-details summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:22px 26px}.quote-details summary::-webkit-details-marker{display:none}.quote-details summary span{display:flex;align-items:baseline;gap:18px}.quote-details summary b{font-size:18px}.quote-details summary small{color:#8fa6b9}.quote-details summary em{font-style:normal;color:#70efd2;font-size:13px}.quote-details details[open] summary{border-bottom:1px solid rgba(255,255,255,.12)}.quote-details details[open] summary em{font-size:0}.quote-details details[open] summary em:after{content:'收起明细';font-size:13px}.quote-body{padding:8px 26px 24px}.quote-row{display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center;padding:15px 0;border-bottom:1px solid rgba(255,255,255,.09)}.quote-row>span{font-weight:650}.quote-row small{display:block;margin-top:3px;color:#8299ab;font-size:13px;font-weight:400}.quote-row>b{font-size:17px;color:#fff}.quote-total{display:flex;justify-content:space-between;align-items:center;padding-top:20px;color:#70efd2}.quote-total b{font-size:24px}.terms-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;padding:20px 26px 26px}.terms-grid>div{padding:20px;border-radius:13px;background:rgba(255,255,255,.055)}.terms-grid b{color:#70efd2}.terms-grid p{margin:8px 0 0;color:#b5c3cf;font-size:14px}.quote-details+.ops{margin-top:14px}
@media(max-width:560px){.quote-details summary{padding:18px}.quote-details summary span{display:block}.quote-details summary small{display:block;margin-top:4px}.quote-body{padding:6px 18px 20px}.quote-row{grid-template-columns:1fr;gap:5px}.quote-row>b{text-align:left;color:#70efd2}.terms-grid{grid-template-columns:1fr;padding:16px}.quote-details summary em{white-space:nowrap}}

.mobile-lang{display:none}
@media(max-width:640px){
  html,body{width:100%;max-width:100%;overflow-x:hidden}
  .hero{padding:92px 18px 30px;gap:14px}.lead{font-size:14px;line-height:1.65;margin:15px 0}.btn{border-radius:999px;padding:11px 8px;font-size:13px}.proof{margin-top:20px}.hero-visual{min-height:300px}.halo{width:280px;height:280px}.mini-phone{width:132px;height:286px}.mini-phone.left{transform:translate(-78px,28px) rotate(-8deg)}.mini-phone.right{transform:translate(78px,28px) rotate(8deg)}
  .section{padding:50px 16px}.section-head{margin-bottom:22px}.section-head h2,.company h2,.closing h2{font-size:32px}.section-head>p{font-size:13px;line-height:1.6}
  #solution .loop{grid-template-columns:1fr 1fr;padding:7px;border-radius:25px}#solution .loop article{min-height:164px;padding:17px 14px}#solution .loop article:nth-child(3):before{display:block}#solution .loop article:nth-child(odd):before{display:none}#solution .loop article:nth-child(n+3){border-top:1px solid rgba(34,73,109,.1)}#solution .loop span{width:29px;height:29px;border-radius:10px}#solution .loop b{font-size:16px;margin:13px 0 5px}#solution .loop p{font-size:12px;line-height:1.55}
  .scope-grid{gap:12px;margin-top:14px}.scope-grid>div{padding:22px 18px;border-radius:25px}.scope-grid h3{font-size:21px;margin:18px 0 0}.scope-grid ul,.scope-grid .scope-side ul{grid-template-columns:1fr 1fr;margin-top:17px;gap:9px 12px}.scope-grid li{font-size:12px;line-height:1.48}.scope-grid .scope-side:after{right:14px;bottom:8px;font-size:28px}
  .ui-stage{padding:22px 16px 24px;border-radius:27px}.ui-copy h3{font-size:29px;margin:8px 0}.ui-copy p{font-size:13px;line-height:1.6}.ui-copy ul{display:none}.palette{margin:16px 0 18px}.mobile-lang{display:grid;grid-template-columns:1fr 1fr;gap:5px;max-width:210px;margin:0 auto 16px;padding:4px;border-radius:999px;background:rgba(255,255,255,.07)}.mobile-lang button{border:0;border-radius:999px;padding:8px;background:transparent;color:#8fa6b9;font:inherit;font-size:12px}.mobile-lang button.active{background:#fff;color:#081421}.dual-phones{display:block;max-width:245px;margin:0 auto}.phone-unit{display:none}.phone-unit:first-child{display:block}.ui-stage.show-en .phone-unit:first-child{display:none}.ui-stage.show-en .phone-unit:last-child{display:block}.phone-unit>span{display:none}.phone-unit .phone{width:100%;height:auto;aspect-ratio:286/570;border-radius:32px}.phone-unit .phone img{border-radius:26px}
  .global-grid{grid-template-columns:1fr 1fr;gap:10px}.global-grid>div{padding:19px 16px;border-radius:22px}.global-grid .world-card{grid-column:1/-1}.globe{min-height:86px;font-size:18px}.checklist h3{font-size:16px}.checklist p,.world-card p{font-size:12px;line-height:1.55;margin-top:12px}
  .roadmap{gap:10px}.roadmap article{padding:21px 18px;border-radius:24px}.roadmap header{display:flex;flex-wrap:wrap;gap:6px 8px}.roadmap header b{font-size:16px}.roadmap header em{margin-left:auto}.price{font-size:30px;margin:18px 0 8px}.roadmap article p{font-size:12px;line-height:1.55}.quote-details details{border-radius:20px}.quote-details summary{padding:15px}.quote-details summary b{font-size:15px}.quote-details summary em{font-size:11px}.terms-grid>div{border-radius:16px}.ops{padding:17px;border-radius:20px;font-size:12px}
  .cases{overflow:hidden}.cases .section-head{margin-bottom:22px}.cases .section-head h2{font-size:32px}.case-feature{padding:18px;border-radius:25px;gap:17px}.case-copy h3{font-size:24px;margin:10px 0}.case-copy p{font-size:12px;line-height:1.55}.chips{gap:5px}.chips b{font-size:10px}.case-gallery{aspect-ratio:16/9;border-radius:19px}.case-grid{display:flex;width:calc(100% + 32px);max-width:calc(100% + 32px);gap:12px;margin:12px -16px 0;padding:0 16px 10px;overflow-x:auto;overflow-y:hidden;scroll-snap-type:x mandatory;scrollbar-width:none}.case-grid::-webkit-scrollbar{display:none}.case-grid article{flex:0 0 82%;min-width:0;border-radius:23px;scroll-snap-align:center}.case-grid article div{padding:18px}.case-grid h3{font-size:18px}
  .company-card{padding:22px 18px;border-radius:26px}.company-logo{margin-bottom:16px}.company-intro>p:last-child{font-size:12px;line-height:1.55}.capability-grid{grid-template-columns:1fr 1fr;gap:8px}.capability-grid>div{min-height:98px;padding:14px;border-radius:18px}.capability-grid b{font-size:15px}.capability-grid span{font-size:10px}
  .closing{padding:52px 18px}.closing p:not(.eyebrow){font-size:12px}
  #solution .section-head>p,#ui .section-head>p,#cases .section-head>p{display:none}
  .scope-main li:nth-child(n+5),.scope-side li:nth-child(n+5){display:none}
  .dual-phones{max-width:218px}.hero-visual{min-height:270px}.mini-phone{width:120px;height:260px}.mini-phone.left{transform:translate(-70px,24px) rotate(-8deg)}.mini-phone.right{transform:translate(70px,24px) rotate(8deg)}
  .world-card p{display:none}.case-feature .case-copy p,.case-feature .chips{display:none}.company-intro>p:last-child{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
}

/* dedicated mobile composition */
@media(max-width:640px){
  html{scroll-padding-top:64px}
  body{font-size:15px;overflow-x:hidden}
  .nav{height:64px;padding:0 16px;background:rgba(5,16,29,.9)}
  .brand{gap:8px;font-size:15px}.mark{width:32px;height:32px}
  .nav-cta{padding:8px 13px;font-size:12px}
  .hero{display:flex;flex-direction:column;align-items:stretch;padding:104px 20px 42px;gap:24px;min-height:auto;background:radial-gradient(circle at 90% 32%,rgba(74,114,255,.24),transparent 30%),radial-gradient(circle at 5% 18%,rgba(27,219,185,.11),transparent 26%),#06111f}
  .hero-copy{position:relative;z-index:5}.eyebrow{font-size:10px;letter-spacing:.17em;margin-bottom:14px}
  .hero h1{font-size:clamp(33px,9.6vw,38px);line-height:1.08;letter-spacing:-.045em;max-width:100%}
  .hero h1>em{display:block;margin-top:4px}
  .lead{font-size:15px;line-height:1.75;margin:20px 0;color:#aab8c5}
  .actions{display:grid;grid-template-columns:1fr 1fr;gap:10px}.btn{padding:12px 10px;border-radius:10px;font-size:14px}
  .proof{margin-top:28px;gap:34px}.proof b{font-size:25px}.proof span{font-size:12px}
  .hero-visual{min-height:395px;margin:0 -8px;overflow:hidden}
  .halo{width:330px;height:330px}
  .device-stack{inset:0}.mini-phone{width:158px;height:342px;border-radius:25px;padding:5px}
  .mini-phone img{border-radius:20px}.mini-phone.center{transform:translateY(0)}
  .mini-phone.left{transform:translate(-92px,35px) rotate(-8deg);opacity:.5}
  .mini-phone.right{transform:translate(92px,34px) rotate(8deg);opacity:.58}
  .strip{display:grid;grid-template-columns:repeat(3,1fr);gap:8px 5px;padding:14px 14px;overflow:visible;white-space:normal;font-size:10px;text-align:center;letter-spacing:.02em}.strip i{display:none}
  .section{padding:64px 18px}.section-head{margin-bottom:30px}.section-head h2,.company h2,.closing h2{font-size:36px;line-height:1.12}.section-head>p{font-size:14px;line-height:1.7}
  #solution .loop{padding:7px;border-radius:20px}#solution .loop article{padding:21px 18px}#solution .loop span{width:31px;height:31px;border-radius:9px}#solution .loop b{font-size:18px;margin:17px 0 6px}
  .scope-grid{gap:13px;margin-top:16px}.scope-grid>div{padding:25px 21px;border-radius:19px}.scope-grid h3{font-size:23px;line-height:1.35;margin:22px 0 0}.scope-grid ul{margin-top:20px;gap:12px}.scope-grid li{font-size:14px;line-height:1.55;padding-left:0}.scope-grid .scope-side:after{right:18px;bottom:12px;font-size:31px}
  .ui-toolbar{margin-bottom:16px}.tabs{display:grid;grid-template-columns:repeat(3,1fr);width:100%;gap:6px;margin:0;overflow:visible}.tab{min-width:0;padding:10px 5px;font-size:12px;white-space:nowrap}
  .ui-stage{display:block;min-height:0;padding:25px 18px 28px;border-radius:22px}.ui-copy h3{font-size:32px;margin:10px 0}.ui-copy p{font-size:15px;line-height:1.7}.ui-copy li{font-size:14px}.palette{margin-top:20px;margin-bottom:28px}
  .dual-phones{display:grid;grid-template-columns:1fr;gap:24px;max-width:286px;margin:0 auto;padding:0;overflow:visible}.phone-unit{width:100%}.phone-unit .phone{width:100%;height:auto;aspect-ratio:286/570;border-radius:31px}.phone-unit .phone img{border-radius:25px}
  .global-grid{gap:12px}.global-grid>div{padding:24px;border-radius:17px}.globe{min-height:105px;font-size:20px}
  #roadmap{background-attachment:scroll!important}.roadmap{gap:12px}.roadmap article{padding:25px 21px;border-radius:18px}.roadmap header{display:flex;flex-wrap:wrap;align-items:center;gap:7px 10px}.roadmap header b{font-size:18px}.roadmap header em{margin-left:auto}.price{font-size:34px;margin:25px 0 10px}.roadmap article p{font-size:14px;line-height:1.65}
  .quote-details{gap:9px}.quote-details details{border-radius:15px}.quote-details summary{gap:10px;padding:17px 16px}.quote-details summary b{font-size:16px}.quote-details summary em{font-size:12px}.quote-body{padding:4px 16px 18px}.quote-row{padding:13px 0}.quote-row small{font-size:12px;line-height:1.55}.quote-total b{font-size:21px}.terms-grid{gap:9px;padding:14px}.terms-grid>div{padding:17px}.ops{padding:19px;border-radius:14px;font-size:13px}
  .cases .section-head{margin-bottom:30px}.cases .section-head h2{font-size:36px}.case-feature{padding:20px;border-radius:20px;gap:22px}.case-copy h3{font-size:28px;margin:13px 0}.case-copy p{font-size:14px}.chips{gap:6px}.chips b{font-size:11px}.case-gallery{height:auto;aspect-ratio:16/10;border-radius:15px}.case-grid{gap:13px;margin-top:13px}.case-grid article{border-radius:18px}.case-grid article div{padding:21px}.case-grid h3{font-size:20px}
  .company-card{padding:25px 21px;border-radius:20px}.company-logo{margin-bottom:20px}.company-intro>p:last-child{font-size:14px}.capability-grid{gap:9px}.capability-grid>div{min-height:112px;padding:18px}.capability-grid b{font-size:17px}.capability-grid span{font-size:12px}
  .closing{padding:66px 20px}.closing p:not(.eyebrow){font-size:14px;line-height:1.7;margin-bottom:0}footer{padding:25px 20px;font-size:11px}
}