:root{
  --text:#17191d;
  --muted:#66707c;
  --paper:#f4f7fb;
  --line:rgba(8,9,11,.1);
  --blue:#1266ff;
  --blue-soft:#eaf2ff;
  --orange:#ff8a1f;
  --shadow:0 20px 64px rgba(8,9,11,.12);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:#fff}
body{margin:0;color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;background:#fff}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.container{width:min(1180px,calc(100% - 48px));margin-inline:auto}
.nav{position:fixed;left:0;right:0;top:16px;z-index:20;pointer-events:none}
.nav-inner{width:min(1280px,calc(100% - 36px));margin:auto;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:10px 12px 10px 18px;border:1px solid rgba(255,255,255,.68);border-radius:999px;background:rgba(255,255,255,.88);box-shadow:0 18px 48px rgba(0,0,0,.14);backdrop-filter:blur(22px);pointer-events:auto}
.brand-logo{width:174px}
.nav-links{display:flex;align-items:center;gap:30px;color:#111820;white-space:nowrap}
.nav-links a{display:inline-flex;align-items:baseline;gap:6px;padding:10px 6px;border-radius:0;color:#111820;transition:color .28s ease,transform .36s var(--ease)}
.nav-links a span{font-size:16px;font-weight:420;line-height:1;letter-spacing:0}
.nav-links a b{font-size:16px;font-weight:720;line-height:1;letter-spacing:0}
.nav-links a:hover{color:var(--blue);transform:translateY(-2px)}
.nav-cta{padding:12px 20px;border-radius:999px;background:#101114;color:#fff;font-size:16px;font-weight:850;white-space:nowrap}
.hero{position:relative;overflow:hidden;padding:150px 0 72px;background:linear-gradient(120deg,rgba(255,255,255,.96),rgba(246,248,251,.86)),url("../assets/hero/hero-01.jpg") center/cover}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 82% 18%,rgba(18,102,255,.14),transparent 28%),repeating-linear-gradient(90deg,rgba(18,102,255,.035) 0 1px,transparent 1px 96px);pointer-events:none}
.hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,1fr) 390px;gap:48px;align-items:end}
.kicker{display:inline-flex;align-items:center;gap:10px;color:var(--blue);font-size:12px;font-weight:900;letter-spacing:.18em;text-transform:uppercase}
.kicker::before{content:"";width:42px;height:2px;background:var(--blue)}
h1{margin:18px 0 24px;font-size:clamp(46px,7vw,96px);line-height:1.02;letter-spacing:0}
.lead{margin:0;max-width:760px;color:#3d4652;font-size:20px;line-height:1.85}
.quote-card{border:1px solid rgba(18,102,255,.16);border-radius:8px;background:rgba(255,255,255,.86);box-shadow:var(--shadow);backdrop-filter:blur(18px);padding:24px}
.quote-card h2{margin:0 0 12px;font-size:30px}
.quote-card p{margin:0 0 18px;color:#5d6672;line-height:1.72}
.btns{display:flex;gap:10px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:13px 20px;font-weight:900}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 14px 34px rgba(18,102,255,.26)}
.btn-ghost{background:#fff;border:1px solid rgba(18,102,255,.18)}
section{padding:78px 0;border-top:1px solid rgba(8,9,11,.06)}
.section-head{display:grid;grid-template-columns:minmax(0,.8fr) minmax(300px,.55fr);gap:36px;align-items:end;margin-bottom:28px}
.section-head h2{margin:14px 0 0;font-size:clamp(34px,4.8vw,64px);line-height:1.05}
.section-head p{margin:0;color:var(--muted);font-size:17px;line-height:1.8}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.card{border:1px solid rgba(8,9,11,.08);border-radius:8px;background:#fff;padding:26px;min-height:180px;box-shadow:0 14px 44px rgba(8,9,11,.07)}
.card b{display:block;color:var(--blue);font-size:13px;letter-spacing:.16em;margin-bottom:18px}
.card h3{margin:0 0 12px;font-size:25px}
.card p,.card li{color:#68717d;line-height:1.72}
.card ul{margin:0;padding-left:18px}
.flow{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid rgba(8,9,11,.08);border-radius:8px;background:#fff;overflow:hidden;box-shadow:var(--shadow)}
.step{padding:24px;border-right:1px solid rgba(8,9,11,.08);min-height:170px}
.step:last-child{border-right:0}
.step span{display:inline-flex;width:36px;height:36px;align-items:center;justify-content:center;border-radius:999px;background:var(--blue);color:#fff;font-weight:900;margin-bottom:24px}
.note{background:var(--paper)}
.contact-panel{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.contact-box{border:1px solid rgba(8,9,11,.08);border-radius:8px;background:#fff;padding:30px;box-shadow:var(--shadow)}
.contact-box strong{font-size:28px}
footer{padding:28px 0;background:#050505;color:rgba(255,255,255,.5);font-size:13px}
.footer-inner{display:flex;justify-content:space-between;gap:18px}
.float-cta{position:fixed;right:18px;bottom:18px;z-index:22;display:grid;gap:8px}
.float-cta a{display:flex;align-items:center;justify-content:center;min-width:72px;height:44px;border-radius:999px;background:#fff;box-shadow:0 12px 30px rgba(0,0,0,.14);font-size:13px;font-weight:900}
.float-cta a:first-child{background:var(--blue);color:#fff}
@media(max-width:900px){
  .container{width:min(100% - 28px,1180px)}
  .nav-links,.nav-cta{display:none}
  .brand-logo{width:124px}
  .hero{padding:112px 0 54px}
  .hero-grid,.section-head,.contact-panel{grid-template-columns:1fr}
  h1{font-size:44px}
  .lead{font-size:16px}
  .grid,.flow{grid-template-columns:1fr}
  .step{border-right:0;border-bottom:1px solid rgba(8,9,11,.08)}
  .step:last-child{border-bottom:0}
  .footer-inner{display:grid}
  .float-cta{right:10px;bottom:10px}
}
/* Service detail v36 unified content typography */
.nav-links{gap:34px;align-items:center}.nav-links a{align-items:center;gap:7px;padding:10px 4px}.nav-links a span,.nav-links a b{font-size:18px;line-height:1.1;letter-spacing:0}.nav-links a span{font-weight:400}.nav-links a b{font-weight:700}.nav-cta{font-size:16px;font-weight:780}
.hero{padding:178px 0 92px;background:#fff}.hero::before{opacity:.32}.hero-grid{grid-template-columns:minmax(320px,.44fr) minmax(660px,.86fr);gap:92px;align-items:start}.quote-card{box-shadow:none;border:0;background:transparent;padding:0}.quote-card h2{margin:0 0 10px;color:#111;font-size:32px;font-weight:300;line-height:1.05;letter-spacing:.055em}.quote-card .service-en{margin:0 0 26px;color:#111;font-size:12px;line-height:1.4;font-weight:400;letter-spacing:.08em}.quote-card p{max-width:780px;margin:0 0 18px;color:#111;font-size:17px;line-height:1.95;font-weight:400}.hero h1{margin:0 0 18px;color:#111;font-size:22px;line-height:1.45;font-weight:420;letter-spacing:0}.lead{max-width:780px;color:#111;font-size:17px;line-height:1.95;font-weight:400}
.section-head{grid-template-columns:minmax(320px,.44fr) minmax(660px,.86fr);gap:92px;align-items:start}.section-head h2{margin:0;color:#111;font-size:32px;font-weight:300;line-height:1.05;letter-spacing:.055em}.section-head p{color:#111;font-size:16px;line-height:1.78}.grid{grid-template-columns:1fr;gap:0;border-top:1px solid rgba(0,0,0,.18)}.card{min-height:auto;padding:22px 0;border:0;border-bottom:1px solid rgba(0,0,0,.12);border-radius:0;box-shadow:none;background:#fff;display:grid;grid-template-columns:90px minmax(190px,.52fr) minmax(360px,1fr);gap:24px;align-items:start}.card b{margin:4px 0 0;color:#111;font-size:12px;line-height:1.4;font-weight:400;letter-spacing:.08em}.card h3{margin:0;color:#111;font-size:20px;line-height:1.35;font-weight:430}.card p,.card li{margin:0;color:#111;font-size:16px;line-height:1.78;font-weight:400}.card ul{margin:0;padding-left:18px}.flow{display:grid;grid-template-columns:1fr;gap:0;border:0;border-top:1px solid rgba(0,0,0,.18);border-radius:0;box-shadow:none}.step{min-height:auto;padding:22px 0;border-right:0;border-bottom:1px solid rgba(0,0,0,.12);display:grid;grid-template-columns:90px minmax(190px,.52fr) minmax(360px,1fr);gap:24px;align-items:start}.step span{width:auto;height:auto;margin:4px 0 0;border-radius:0;background:transparent;color:#111;font-size:12px;line-height:1.4;font-weight:400;letter-spacing:.08em}.step h3{margin:0;color:#111;font-size:20px;line-height:1.35;font-weight:430}.step p{margin:0;color:#111;font-size:16px;line-height:1.78}.contact-box strong{font-size:20px;font-weight:430}.contact-box p{font-size:16px;line-height:1.78;color:#111}footer{background:#fff;color:#111;border-top:0}.footer-inner{color:#111;font-weight:400}
@media(max-width:900px){.nav-links,.nav-cta{display:none}.hero{padding:128px 0 56px}.hero-grid,.section-head{grid-template-columns:1fr;gap:28px}.quote-card h2,.section-head h2{font-size:28px}.hero h1{font-size:20px}.quote-card p,.lead{font-size:16px;line-height:1.85}.grid,.flow{grid-template-columns:1fr}.card,.step{grid-template-columns:1fr;gap:8px}.card h3,.step h3{font-size:19px}.card p,.card li,.step p{font-size:15px}.container{width:min(100% - 28px,1180px)}}
/* Service detail v37 row layout repair */
section{padding:72px 0}.note{background:#fff}.grid,.flow{width:100%;background:#fff;border-top:1px solid rgba(0,0,0,.18)}.card,.step{grid-template-columns:86px 250px minmax(0,1fr);gap:22px;padding:24px 0;align-items:start}.card b,.step span{margin-top:4px;white-space:nowrap}.card h3,.step h3{max-width:250px}.card p,.step p{max-width:780px}.detail-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px 24px;align-items:start}.detail-list span{position:relative;padding-left:14px;color:#111;font-size:16px;line-height:1.65;font-weight:400}.detail-list span::before{content:"";position:absolute;left:0;top:.72em;width:4px;height:4px;border-radius:999px;background:#111}.card ul{margin:0;padding-left:0;list-style:none}.card li{margin:0 0 8px}.section-head{margin-bottom:30px}.section-head h2{white-space:nowrap}.contact-panel{grid-template-columns:minmax(0,1fr) minmax(280px,.55fr);gap:18px}.contact-box{box-shadow:none;border-color:rgba(0,0,0,.12)}
@media(max-width:1180px){.card,.step{grid-template-columns:76px 220px minmax(0,1fr);gap:18px}.detail-list{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:900px){section{padding:54px 0}.card,.step{grid-template-columns:1fr;gap:8px;padding:20px 0}.card h3,.step h3{max-width:none}.detail-list{grid-template-columns:1fr 1fr;gap:8px 16px}.section-head h2{white-space:normal}.contact-panel{grid-template-columns:1fr}}
@media(max-width:560px){.detail-list{grid-template-columns:1fr}}

/* v39 final QA refinements */
html,body{max-width:100%;overflow-x:hidden}.container{max-width:100%}.nav-links a.active,.nav-links a[aria-current="page"]{color:var(--blue)}.nav-links a.active b,.nav-links a[aria-current="page"] b{font-weight:850}.quote-card h2{font-size:26px;font-weight:520;letter-spacing:0}.quote-card .service-en{color:#1266ff;font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase}.quote-card img{width:100%;height:auto;max-height:320px;object-fit:cover;margin-bottom:18px;border-radius:4px}.float-cta{pointer-events:none}.float-cta a{pointer-events:auto}
@media(max-width:900px){html,body{overflow-x:hidden}.container{width:calc(100% - 28px)!important;max-width:100%}.nav{top:14px}.nav-inner{width:calc(100% - 24px);max-width:calc(100% - 24px);padding:9px 12px}.brand-logo{width:124px}.hero{padding:118px 0 48px}.hero-grid{grid-template-columns:minmax(0,1fr)!important;gap:26px}.hero-grid>*{min-width:0}.hero h1{font-size:28px;line-height:1.25}.lead{font-size:15px;line-height:1.75;overflow-wrap:anywhere}.btns{gap:10px}.btn{padding:12px 17px;font-size:14px;white-space:nowrap}.quote-card img{max-height:260px}.quote-card h2{font-size:22px}.quote-card p{font-size:15px;line-height:1.75}.section-head{grid-template-columns:minmax(0,1fr)!important;gap:14px}.section-head h2{font-size:28px}.section-head p{font-size:15px;line-height:1.75;overflow-wrap:anywhere}.card,.step{grid-template-columns:minmax(0,1fr)!important}.detail-list{grid-template-columns:1fr!important}.float-cta{right:8px;bottom:8px;gap:6px}.float-cta a{min-width:52px;height:38px;padding:0 10px;font-size:11px;box-shadow:0 10px 24px rgba(0,0,0,.12)}}

/* v39 mobile overflow hardening */
@media(max-width:900px){.service-hero-copy,.quote-card,.lead,.quote-card p,.section-head p,.card,.step,.card p,.step p,.detail-list span{min-width:0;max-width:100%;word-break:break-word;overflow-wrap:anywhere}main,section,.hero{overflow-x:hidden}.quote-card img{width:100%;max-width:100%}}
/* v41 motion polish */
.nav-inner{transition:transform .42s cubic-bezier(.16,1,.3,1),box-shadow .42s cubic-bezier(.16,1,.3,1),background .36s ease}.nav.nav-scrolled .nav-inner{transform:translateY(-4px) scale(.992);background:rgba(255,255,255,.94);box-shadow:0 14px 42px rgba(0,0,0,.11)}
.btn,.card,.step,.contact-box,.float-cta a{transition:transform .42s cubic-bezier(.16,1,.3,1),box-shadow .42s cubic-bezier(.16,1,.3,1),border-color .28s ease,background .28s ease,color .28s ease}.btn:hover,.contact-box:hover,.float-cta a:hover{transform:translateY(-3px)}
.card:hover,.step:hover{background:#f8fbff}.card:hover h3,.step:hover h3{color:var(--blue)}
.reveal{opacity:0;transform:translateY(34px) scale(.985);filter:blur(8px);transition:opacity .86s cubic-bezier(.16,1,.3,1),transform .86s cubic-bezier(.16,1,.3,1),filter .86s cubic-bezier(.16,1,.3,1);transition-delay:var(--reveal-delay,0ms);will-change:opacity,transform,filter}.reveal.in{opacity:1;transform:none;filter:blur(0)}
@media(max-width:900px){.nav.nav-scrolled .nav-inner{transform:translateY(-2px) scale(.996)}.btn:hover,.contact-box:hover,.float-cta a:hover{transform:none}.card:hover,.step:hover{background:#fff}}
@media (prefers-reduced-motion: reduce){*{animation-duration:.01ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important;transition-duration:.01ms!important}.reveal{opacity:1;transform:none;filter:none}}
/* v46 shared dropdown navigation */
.nav-item{position:relative;display:inline-flex;align-items:center}.nav-parent::after{content:"";width:6px;height:6px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:translateY(-2px) rotate(45deg);opacity:.62;transition:transform .3s var(--ease)}.nav-service-menu:hover .nav-parent::after,.nav-service-menu:focus-within .nav-parent::after{transform:translateY(1px) rotate(225deg)}.nav-dropdown{position:absolute;left:50%;top:calc(100% + 14px);width:214px;padding:10px;border:1px solid rgba(18,102,255,.14);border-radius:10px;background:rgba(255,255,255,.94);box-shadow:0 24px 70px rgba(8,9,11,.16);backdrop-filter:blur(22px) saturate(1.16);opacity:0;visibility:hidden;pointer-events:none;transform:translate(-50%,-8px) scale(.96);transition:opacity .28s ease,visibility .28s ease,transform .46s var(--ease)}.nav-dropdown::before{content:"";position:absolute;left:0;right:0;top:-16px;height:16px}.nav-service-menu:hover .nav-dropdown,.nav-service-menu:focus-within .nav-dropdown{opacity:1;visibility:visible;pointer-events:auto;transform:translate(-50%,0) scale(1)}.nav-dropdown a{display:flex!important;justify-content:space-between;align-items:center;padding:10px 12px!important;border-radius:7px;color:#1d2430;font-size:13px;font-weight:850;line-height:1.2;transform:none!important}.nav-dropdown a::after{content:"›";color:var(--blue);opacity:.5;transition:transform .28s var(--ease),opacity .28s ease}.nav-dropdown a:hover{background:#f2f6ff;color:var(--blue)}.nav-dropdown a:hover::after{opacity:1;transform:translateX(3px)}