:root{--bg-obsidian:#090d16;--bg-slate:#0f172a;--bg-slate-card:#1e293b;--bg-light:#f8fafc;--bg-white:#ffffff;--bg-tint:#f1f5f9;--text-dark:#0f172a;--text-secondary:#475569;--text-light:#f8fafc;--text-muted-light:#94a3b8;--brand-orange:#f97316;--brand-orange-hover:#ea580c;--brand-orange-soft:#fff7ed;--zalo-blue:#0068ff;--whatsapp-green:#16a34a;--border-subtle:#e2e8f0;--border-strong:#cbd5e1;--border-dark:rgba(255,255,255,0.12);--container-max:1360px;--radius-sm:6px;--radius-md:10px;--radius-lg:14px;--shadow-card:0 10px 30px -5px rgba(15,23,42,0.07),0 4px 12px -2px rgba(15,23,42,0.04);--shadow-hover:0 22px 40px -10px rgba(15,23,42,0.16);--font-sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI","Helvetica Neue",Arial,"Noto Sans","PingFang SC","Microsoft YaHei",sans-serif}*,:after,:before{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:132px}body{margin:0;font-family:var(--font-sans);color:var(--text-dark);background-color:var(--bg-light);line-height:1.6;font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}img{max-width:100%;display:block}a{color:inherit;text-decoration:none}button{font-family:inherit;cursor:pointer}h1,h2,h3,h4{margin:0;line-height:1.2;letter-spacing:-.015em}p,ul{margin:0}ul{padding:0;list-style:none}.tervv-container{max-width:var(--container-max);margin:0 auto;padding:0 24px;width:100%}.tervv-section{padding:84px 0}.tervv-section-tint{background:var(--bg-tint);padding:84px 0}.tervv-section-dark{background-color:var(--bg-slate);color:var(--text-light);padding:84px 0}.tervv-section-obsidian{background:var(--bg-obsidian);color:var(--text-light);padding:84px 0}.sec-head{max-width:820px;margin-bottom:44px}.sec-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.74rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--brand-orange);margin-bottom:14px}.sec-eyebrow:before{content:"";width:22px;height:2px;background:var(--brand-orange)}.sec-title{font-size:clamp(1.55rem,2.4vw,2.15rem);font-weight:800}.sec-sub{margin-top:14px;color:var(--text-secondary);font-size:1.02rem;max-width:760px}.tervv-section-dark .sec-sub,.tervv-section-obsidian .sec-sub{color:var(--text-muted-light)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 22px;border-radius:var(--radius-sm);border:1px solid transparent;font-weight:700;font-size:.94rem;line-height:1.2;transition:transform .16s ease,background .16s ease,border-color .16s ease,color .16s ease;text-align:center}.btn:hover{transform:translateY(-1px)}.btn-orange{background:var(--brand-orange);color:#fff;box-shadow:0 8px 20px -8px rgba(249,115,22,.85)}.btn-orange:hover{background:var(--brand-orange-hover)}.btn-zalo{background:var(--zalo-blue);color:#fff}.btn-zalo:hover{background:#0055d4}.btn-wa{background:var(--whatsapp-green);color:#fff}.btn-wa:hover{background:#12833c}.btn-ghost{border-color:rgba(255,255,255,.42);color:#fff;background:transparent}.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:#fff}.btn-outline{border-color:var(--border-strong);color:var(--text-dark);background:#fff}.btn-outline:hover{border-color:var(--brand-orange);color:var(--brand-orange-hover)}.btn-sm{padding:9px 14px;font-size:.84rem}.btn-block{width:100%}.tervv-topbar{background:var(--bg-obsidian);color:var(--text-muted-light);font-size:.79rem;border-bottom:1px solid var(--border-dark)}.tervv-topbar .tervv-container{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:36px;padding-top:6px;padding-bottom:6px}.tervv-topbar a{color:#cbd5e1}.tervv-topbar a:hover{color:var(--brand-orange)}.topbar-left,.topbar-right{display:flex;align-items:center;gap:18px;flex-wrap:wrap}.topbar-sep{width:1px;height:12px;background:rgba(255,255,255,.2)}.tervv-header{position:-webkit-sticky;position:sticky;top:0;z-index:1000;background:rgba(15,23,42,.97);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:2px solid var(--brand-orange)}.header-inner{gap:26px;min-height:76px}.header-inner,.logo{display:flex;align-items:center}.logo{gap:12px;flex-shrink:0}.logo-mark{font-size:1.5rem;font-weight:900;letter-spacing:.14em;color:#fff;line-height:1}.logo-mark span{color:var(--brand-orange)}.logo-tag{font-size:.62rem;font-weight:800;letter-spacing:.1em;color:#0b1120;background:var(--brand-orange);padding:4px 8px;border-radius:999px;white-space:nowrap}.logo-sub{display:block;font-size:.6rem;letter-spacing:.16em;color:var(--text-muted-light);margin-top:5px}.main-nav{display:flex;align-items:center;gap:22px;margin-left:auto}.main-nav a{color:#e2e8f0;font-size:.88rem;font-weight:600;padding:8px 0;border-bottom:2px solid transparent;white-space:nowrap}.main-nav a:hover{color:var(--brand-orange);border-bottom-color:var(--brand-orange)}.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}.lang-switch{display:inline-flex;border:1px solid rgba(255,255,255,.22);border-radius:999px;overflow:hidden;background:rgba(255,255,255,.06)}.lang-switch button{border:0;background:transparent;color:#cbd5e1;font-size:.78rem;font-weight:700;padding:7px 11px;line-height:1}.lang-switch button[data-active=true]{background:#fff;color:var(--bg-slate)}.nav-toggle{display:none;background:transparent;border:1px solid rgba(255,255,255,.25);color:#fff;border-radius:var(--radius-sm);padding:8px 10px;font-size:1rem;line-height:1}.mobile-nav{display:none;border-top:1px solid var(--border-dark);background:var(--bg-slate)}.mobile-nav.open{display:block}.mobile-nav a{display:block;padding:14px 24px;color:#e2e8f0;font-weight:600;font-size:.95rem;border-bottom:1px solid rgba(255,255,255,.07)}.tervv-hero{position:relative;background-color:var(--bg-obsidian);color:var(--text-light);padding:88px 0 76px;overflow:hidden}.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center right;z-index:0}.tervv-hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(9,13,22,.97),rgba(15,23,42,.92) 52%,rgba(15,23,42,.5));z-index:1}.tervv-hero>.tervv-container{position:relative;z-index:2}.hero-grid{display:grid;grid-template-columns:7fr 5fr;grid-gap:48px;gap:48px;align-items:start}.hero-tag{display:inline-flex;align-items:center;gap:8px;background:rgba(249,115,22,.16);border:1px solid rgba(249,115,22,.55);color:#fdba74;font-size:.74rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;padding:7px 13px;border-radius:999px}.tervv-hero-title{font-size:clamp(2rem,3.5vw,3.05rem);font-weight:800;line-height:1.14;letter-spacing:-.025em;margin:18px 0}.hero-sub{color:#cbd5e1;font-size:1.03rem;max-width:640px}.tervv-metrics-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(175px,1fr));grid-gap:14px;gap:14px;margin:28px 0 30px}.tervv-metric-box{background:rgba(30,41,59,.82);border:1px solid rgba(249,115,22,.42);border-left:4px solid var(--brand-orange);border-radius:8px;padding:12px 16px}.tervv-metric-box strong{display:block;font-size:1.32rem;color:var(--brand-orange);font-weight:800;letter-spacing:-.01em}.tervv-metric-box span{font-size:.79rem;color:#94a3b8}.hero-cta{display:flex;flex-wrap:wrap;gap:12px}.hero-trustline{margin-top:26px;font-size:.8rem;color:#94a3b8;display:flex;align-items:center;gap:8px}.hero-trustline:before{content:"";width:7px;height:7px;border-radius:50%;background:#22c55e;box-shadow:0 0 0 4px rgba(34,197,94,.18)}.quick-panel{background:rgba(15,23,42,.72);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius-lg);padding:18px;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.quick-head{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin-bottom:14px}.quick-head strong{font-size:.92rem;letter-spacing:.02em}.quick-head span{font-size:.72rem;color:var(--text-muted-light)}.quick-list{display:grid;grid-gap:10px;gap:10px}.quick-card{display:grid;grid-template-columns:64px 1fr auto;grid-gap:12px;gap:12px;align-items:center;padding:10px;background:rgba(30,41,59,.9);border:1px solid rgba(255,255,255,.1);border-radius:8px;transition:border-color .16s ease,background .16s ease}.quick-card:hover{border-color:var(--brand-orange);background:rgba(30,41,59,1)}.quick-thumb{width:64px;height:64px;border-radius:6px;overflow:hidden;background:#0b1120}.quick-thumb img{width:100%;height:100%;object-fit:cover}.quick-thumb img.is-cutout{object-fit:contain;padding:5px}.quick-name{font-size:.82rem;font-weight:700;color:#f1f5f9;line-height:1.35}.quick-code{font-size:.7rem;color:var(--brand-orange);font-weight:800;letter-spacing:.06em}.quick-arrow{color:#64748b;font-size:1rem}.filter-bar{position:-webkit-sticky;position:sticky;top:78px;z-index:40;background:rgba(248,250,252,.96);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--border-subtle);padding:14px 0}.filter-inner{display:flex;gap:10px;overflow-x:auto;scrollbar-width:none;padding-bottom:2px}.filter-inner::-webkit-scrollbar{display:none}.chip{flex:0 0 auto;border:1px solid var(--border-strong);background:#fff;color:var(--text-secondary);font-size:.85rem;font-weight:600;padding:9px 15px;border-radius:999px;white-space:nowrap;transition:all .16s ease}.chip:hover{border-color:var(--brand-orange);color:var(--brand-orange-hover)}.chip[data-active=true]{background:var(--bg-slate);border-color:var(--bg-slate);color:#fff}.compat-bar{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:14px;font-size:.76rem;color:var(--text-secondary)}.compat-bar strong{color:var(--text-dark);font-weight:800;letter-spacing:.02em}.compat-item{border:1px solid var(--border-subtle);background:#fff;border-radius:4px;padding:3px 8px;font-weight:700;color:#334155;font-size:.72rem;letter-spacing:.04em}.tier-block{margin-top:46px}.tier-head{display:flex;align-items:center;gap:14px;margin-bottom:20px}.tier-head h3{font-size:1.06rem;font-weight:800}.tier-head span{font-size:.76rem;color:var(--text-secondary);border:1px solid var(--border-subtle);background:#fff;padding:3px 9px;border-radius:999px}.tier-head:after{content:"";flex:1 1;height:1px;background:var(--border-subtle)}.tier-toggle{flex:0 0 auto;border:1px solid var(--border-strong);background:#fff;color:var(--text-dark);font-size:.78rem;font-weight:700;padding:7px 13px;border-radius:999px;transition:all .16s ease}.tier-toggle:hover{border-color:var(--brand-orange);color:var(--brand-orange-hover)}.tervv-product-grid[hidden]{display:none}.tervv-product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));grid-gap:22px;gap:22px}.tervv-product-card{background:var(--bg-white);border:1px solid var(--border-subtle);border-radius:var(--radius-md);box-shadow:var(--shadow-card);display:flex;flex-direction:column;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;overflow:hidden}.tervv-product-card:hover{transform:translateY(-5px);border-color:var(--brand-orange);box-shadow:var(--shadow-hover)}.tervv-card-media{position:relative;aspect-ratio:1/1;background:radial-gradient(circle at 50% 42%,#1e293b 0,#0b1120 78%);overflow:hidden;display:flex;align-items:center;justify-content:center}.tervv-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}.tervv-card-media.is-cutout img{object-fit:contain;padding:9%;filter:drop-shadow(0 12px 18px rgba(0,0,0,.45))}.tervv-product-card:hover .tervv-card-media img{transform:scale(1.06)}.tervv-product-card:hover .tervv-card-media.is-cutout img{transform:scale(1.04)}.tervv-card-media:after{content:"";position:absolute;inset:auto 0 0 0;height:86px;background:linear-gradient(0deg,rgba(9,13,22,.82),rgba(9,13,22,0));pointer-events:none}.code-badge{left:10px;background:rgba(9,13,22,.88);border:1px solid rgba(249,115,22,.6);color:#fdba74;letter-spacing:.08em}.code-badge,.effect-badge{position:absolute;z-index:2;bottom:10px;font-size:.68rem;font-weight:800;padding:4px 9px;border-radius:4px}.effect-badge{right:10px;background:var(--brand-orange);color:#fff;max-width:62%;text-align:right;line-height:1.25}.card-body{padding:15px 16px 16px;display:flex;flex-direction:column;gap:11px;flex:1 1}.card-name{font-size:.95rem;font-weight:800;line-height:1.38;color:var(--text-dark);min-height:2.6em}.card-specs{display:grid;grid-gap:4px;gap:4px;font-size:.77rem;color:var(--text-secondary);border-top:1px dashed var(--border-subtle);padding-top:9px}.card-specs li{display:grid;grid-template-columns:58px 1fr;grid-gap:7px;gap:7px;line-height:1.42}.card-specs b{color:#64748b;font-weight:700;font-size:.6rem;text-transform:uppercase;letter-spacing:0;padding-top:3px;white-space:nowrap}.card-specs span{color:#334155;font-weight:600}.card-trust{display:inline-flex;align-items:center;gap:6px;font-size:.72rem;font-weight:700;color:#15803d;background:#f0fdf4;border:1px solid #bbf7d0;border-radius:999px;padding:5px 10px;line-height:1.3}.card-actions{display:grid;grid-template-columns:1fr 1fr;grid-gap:8px;gap:8px;margin-top:auto}.card-actions .btn{padding:10px 8px;font-size:.82rem}.card-link{font-size:.74rem;color:var(--text-secondary);font-weight:600;text-align:center;padding-top:2px}.card-link:hover{color:var(--brand-orange-hover)}.spare-banner{display:grid;grid-template-columns:auto 1fr auto;grid-gap:18px;gap:18px;align-items:center;background:linear-gradient(100deg,#0b1120,#15213a);border:1px solid rgba(249,115,22,.4);border-left:5px solid var(--brand-orange);border-radius:var(--radius-md);padding:20px 24px;color:#e2e8f0;margin:30px 0 8px}.spare-icon{font-size:1.9rem;line-height:1}.spare-banner strong{display:block;font-size:1rem;margin-bottom:4px;color:#fff}.spare-banner p{font-size:.85rem;color:#cbd5e1}.pain-grid{display:grid;grid-template-columns:repeat(2,1fr);grid-gap:18px;gap:18px;align-items:start}.pain-card{text-align:left;background:#fff;border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:22px;box-shadow:var(--shadow-card);transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease}.pain-card:hover{border-color:var(--brand-orange);box-shadow:var(--shadow-hover);transform:translateY(-2px)}.pain-card[data-open=true]{border-color:var(--brand-orange);border-left:4px solid var(--brand-orange)}.pain-q{gap:12px;align-items:flex-start;font-size:.98rem;color:var(--text-dark);line-height:1.45}.pain-num,.pain-q{display:flex;font-weight:800}.pain-num{flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:var(--bg-slate);color:#fff;font-size:.78rem;align-items:center;justify-content:center;margin-top:1px}.pain-detail{margin-top:14px;padding-top:14px;border-top:1px dashed var(--border-subtle);display:grid;grid-gap:10px;gap:10px;font-size:.86rem;color:var(--text-secondary);line-height:1.62}.pain-k{display:block;font-size:.72rem;font-weight:800;text-transform:uppercase;letter-spacing:.08em;color:var(--brand-orange-hover);margin-bottom:3px}.pain-detail p{margin:0;color:var(--text-secondary)}.pain-codes{display:flex;flex-wrap:wrap;gap:6px;margin-top:4px}.pain-code{font-size:.72rem;font-weight:800;color:var(--bg-slate);background:var(--bg-tint);border:1px solid var(--border-subtle);border-radius:4px;padding:3px 7px;letter-spacing:.04em}.pain-apply{justify-self:start;margin-top:4px}.who-grid{display:grid;grid-template-columns:1.05fr .95fr;grid-gap:40px;gap:40px;align-items:start}.who-media{display:grid;grid-template-columns:1fr 1fr;grid-gap:14px;gap:14px}.who-media figure{margin:0;border-radius:var(--radius-md);overflow:hidden;background:#0b1120;border:1px solid var(--border-dark)}.who-media figure:first-child{grid-column:1/-1;aspect-ratio:16/9}.who-media figure:not(:first-child){aspect-ratio:4/3}.who-media img{width:100%;height:100%;object-fit:cover}.who-media figcaption{font-size:.72rem;color:var(--text-muted-light);padding:8px 10px;border-top:1px solid var(--border-dark)}.pillar-list{display:grid;grid-gap:16px;gap:16px;margin-top:26px}.pillar{display:grid;grid-template-columns:40px 1fr;grid-gap:14px;gap:14px;padding:18px;background:rgba(255,255,255,.04);border:1px solid var(--border-dark);border-radius:var(--radius-md)}.pillar-num{font-size:.85rem;font-weight:900;color:var(--brand-orange);letter-spacing:.04em;padding-top:2px}.pillar h4{font-size:.97rem;margin-bottom:6px}.pillar p{font-size:.86rem;color:#cbd5e1;line-height:1.62}.legal-fact{margin-top:22px;padding:16px 18px;border-left:3px solid var(--brand-orange);background:rgba(255,255,255,.04);font-size:.82rem;color:#cbd5e1;line-height:1.7}.legal-fact b{color:#fff}.table-scroll{overflow-x:auto;border-radius:var(--radius-lg);box-shadow:var(--shadow-card)}.tervv-compare-table{width:100%;min-width:860px;border-collapse:collapse;background:var(--bg-white)}.tervv-compare-table td,.tervv-compare-table th{padding:18px 22px;text-align:left;border-bottom:1px solid var(--border-subtle);vertical-align:top;font-size:.88rem;line-height:1.6}.tervv-compare-table thead th{background:var(--bg-slate);color:#fff;font-size:.82rem;font-weight:800;letter-spacing:.02em;border-bottom:0}.tervv-compare-table tbody th{font-weight:800;color:var(--text-dark);background:var(--bg-tint);white-space:nowrap}.tervv-compare-table td.highlight-col,.tervv-compare-table th.highlight-col{background:#fff7ed;border-left:2px solid var(--brand-orange);border-right:2px solid var(--brand-orange);font-weight:700;color:var(--text-dark)}.tervv-compare-table thead th.highlight-col{background:var(--brand-orange);color:#fff}.tervv-compare-table tbody tr:last-child td,.tervv-compare-table tbody tr:last-child th{border-bottom:0}.value-grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:22px;gap:22px}.value-col{border-radius:var(--radius-lg);padding:28px;border:1px solid var(--border-subtle);background:#fff;box-shadow:var(--shadow-card)}.value-col.dark{background:var(--bg-slate);border-color:rgba(249,115,22,.35);color:#fff}.value-col h3{font-size:1.08rem;margin-bottom:18px;display:flex;align-items:center;gap:10px}.value-col h3:before{content:"";width:8px;height:8px;background:var(--brand-orange);border-radius:2px}.value-item{padding:14px 0;border-bottom:1px dashed var(--border-subtle)}.value-col.dark .value-item{border-bottom-color:rgba(255,255,255,.12)}.value-item:last-child{border-bottom:0;padding-bottom:0}.value-item strong{display:block;font-size:.95rem;margin-bottom:5px;color:var(--brand-orange-hover)}.value-col.dark .value-item strong{color:#fdba74}.value-item p{font-size:.86rem;color:var(--text-secondary);line-height:1.6}.value-col.dark .value-item p{color:#cbd5e1}.trust-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:18px;gap:18px}.trust-card{background:#fff;border:1px solid var(--border-subtle);border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-card);display:flex;flex-direction:column}.trust-media{aspect-ratio:16/10;background:#0b1120;overflow:hidden}.trust-media img{width:100%;height:100%;object-fit:cover}.trust-body{padding:16px 18px 18px;display:grid;grid-gap:7px;gap:7px}.trust-n{font-size:.7rem;font-weight:900;letter-spacing:.16em;color:var(--brand-orange)}.trust-body h4{font-size:.94rem;line-height:1.4}.trust-body p{font-size:.82rem;color:var(--text-secondary);line-height:1.6}.oem-grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:24px;gap:24px}.oem-card{border-radius:var(--radius-lg);border:1px solid var(--border-dark);background:rgba(255,255,255,.04);padding:26px}.oem-card h3{font-size:1.06rem;margin-bottom:16px}.kit-list{display:grid;grid-gap:10px;gap:10px;margin-bottom:16px}.kit-list li{display:grid;grid-template-columns:18px 1fr;grid-gap:10px;gap:10px;font-size:.87rem;color:#cbd5e1;line-height:1.58}.kit-list li:before{content:"✓";color:var(--brand-orange);font-weight:900}.kit-note{font-size:.79rem;color:var(--text-muted-light);border-top:1px dashed rgba(255,255,255,.14);padding-top:12px}.step-list{display:grid;grid-gap:12px;gap:12px}.step{display:grid;grid-template-columns:34px 1fr;grid-gap:13px;gap:13px;padding:14px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);border-radius:8px}.step-n{width:34px;height:34px;border-radius:50%;background:var(--brand-orange);color:#fff;font-weight:900;font-size:.9rem;display:flex;align-items:center;justify-content:center}.step h4{font-size:.9rem;margin-bottom:4px}.step p{font-size:.82rem;color:#cbd5e1;line-height:1.55}.inquiry-grid{display:grid;grid-template-columns:.85fr 1.15fr;grid-gap:26px;gap:26px;align-items:start}.contact-card{background:var(--bg-slate);color:#fff;border-radius:var(--radius-lg);padding:28px;border:1px solid rgba(249,115,22,.35)}.contact-card h3{font-size:1.05rem;margin-bottom:18px}.contact-row{display:grid;grid-template-columns:1fr auto;grid-gap:10px;gap:10px;align-items:center;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.1)}.contact-row:last-of-type{border-bottom:0}.contact-label{font-size:.72rem;text-transform:uppercase;letter-spacing:.1em;color:var(--text-muted-light);margin-bottom:2px}.contact-value{font-size:.92rem;font-weight:700;color:#fff;word-break:break-word}.contact-value.small{font-size:.82rem;font-weight:600;color:#cbd5e1}.copy-btn{border:1px solid rgba(255,255,255,.24);background:transparent;color:#e2e8f0;font-size:.72rem;font-weight:700;padding:6px 10px;border-radius:4px}.copy-btn:hover{border-color:var(--brand-orange);color:var(--brand-orange)}.contact-cta{display:grid;grid-template-columns:1fr 1fr;grid-gap:10px;gap:10px;margin-top:18px}.form-card{background:#fff;border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:28px;box-shadow:var(--shadow-card)}.field{display:grid;grid-gap:7px;gap:7px;margin-bottom:15px}.field label{font-size:.82rem;font-weight:700;color:var(--text-dark)}.field .req{color:#dc2626}.field input[type=tel],.field input[type=text],.field textarea{width:100%;border:1px solid var(--border-strong);border-radius:var(--radius-sm);padding:11px 13px;font-size:.9rem;font-family:inherit;color:var(--text-dark);background:#fff;transition:border-color .16s ease,box-shadow .16s ease}.field input:focus,.field textarea:focus{outline:none;border-color:var(--brand-orange);box-shadow:0 0 0 3px rgba(249,115,22,.16)}.field textarea{min-height:84px;resize:vertical}.field input[type=file]{font-size:.8rem;color:var(--text-secondary)}.opt-grid{display:flex;flex-wrap:wrap;gap:8px}.opt{display:inline-flex;align-items:center;gap:6px;font-size:.8rem;font-weight:600;color:var(--text-secondary);border:1px solid var(--border-subtle);background:var(--bg-tint);border-radius:999px;padding:6px 12px;cursor:pointer}.opt input{accent-color:var(--brand-orange)}.opt[data-checked=true]{border-color:var(--brand-orange);background:var(--brand-orange-soft);color:var(--brand-orange-hover)}.form-hint{font-size:.75rem;color:var(--text-secondary);margin-top:10px;line-height:1.5}.form-error{font-size:.78rem;color:#dc2626;font-weight:600}.form-success{border:1px solid #bbf7d0;background:#f0fdf4;border-radius:var(--radius-md);padding:18px;display:grid;grid-gap:10px;gap:10px}.form-success strong{color:#15803d;font-size:.95rem}.form-success p{font-size:.84rem;color:#166534;line-height:1.6}.form-success.form-fallback{border-color:#fed7aa;background:#fff7ed}.form-success.form-fallback strong{color:#c2410c}.form-success.form-fallback p{color:#9a3412}.form-success .form-copied{font-weight:700;font-size:.8rem;color:#15803d}.form-success.form-fallback .form-copied{color:#c2410c}.form-note{display:block;margin-top:6px;font-size:.74rem;line-height:1.5;color:var(--text-secondary)}.faq-wrap{margin-top:54px}.faq-title{font-size:1.2rem;font-weight:800;margin-bottom:18px}.faq-item{border-bottom:1px solid var(--border-subtle)}.faq-q{width:100%;background:transparent;border:0;padding:16px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;font-size:.94rem;font-weight:700;color:var(--text-dark)}.faq-q:hover{color:var(--brand-orange-hover)}.faq-icon{flex:0 0 auto;width:20px;height:20px;border-radius:50%;border:1px solid var(--border-strong);display:flex;align-items:center;justify-content:center;font-size:.8rem}.faq-a,.faq-icon{color:var(--text-secondary)}.faq-a{padding:0 0 18px;font-size:.88rem;line-height:1.68;max-width:900px}.tervv-footer{background:var(--bg-obsidian);color:#94a3b8;padding:56px 0 26px;font-size:.85rem}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;grid-gap:34px;gap:34px}.footer-brand .logo-mark{font-size:1.35rem}.footer-about{margin-top:14px;line-height:1.7;color:#94a3b8;max-width:330px}.footer-col h4{color:#e2e8f0;font-size:.78rem;text-transform:uppercase;letter-spacing:.12em;margin-bottom:14px}.footer-col a,.footer-col li{display:block;padding:6px 0;color:#94a3b8;font-size:.84rem}.footer-col a:hover{color:var(--brand-orange)}.footer-legal{margin-top:36px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between;font-size:.78rem;color:#64748b}.footer-legal b{color:#cbd5e1;font-weight:700}.footer-disclaimer{margin-top:10px;font-size:.74rem;color:#475569;line-height:1.6}.tervv-mobile-bar{position:fixed;bottom:0;left:0;right:0;z-index:9990;background:var(--bg-obsidian);border-top:2px solid var(--brand-orange);padding:8px 10px calc(8px + env(safe-area-inset-bottom));display:grid;grid-template-columns:1fr 1fr 1.25fr;grid-gap:8px;gap:8px}.tervv-mobile-bar .btn{padding:11px 6px;font-size:.8rem}@media (min-width:861px){.tervv-mobile-bar{display:none}}.modal-backdrop{position:fixed;inset:0;z-index:10000;background:rgba(9,13,22,.72);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;padding:20px}.modal{width:100%;max-width:460px;background:#fff;border-radius:var(--radius-lg);padding:26px;box-shadow:0 30px 60px -20px rgba(0,0,0,.5);animation:modal-in .18s ease-out}@keyframes modal-in{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.modal h3{font-size:1.05rem;margin-bottom:10px;display:flex;align-items:center;gap:8px}.modal p{font-size:.86rem;color:var(--text-secondary);line-height:1.62}.modal-code{margin:14px 0;padding:12px 14px;background:var(--bg-tint);border:1px dashed var(--border-strong);border-radius:8px;font-size:.84rem;color:var(--text-dark)}.modal-code b{font-weight:800}.modal-actions{display:grid;grid-gap:8px;gap:8px;margin-top:16px}.modal-close{background:transparent;border:1px solid var(--border-strong);color:var(--text-secondary);border-radius:var(--radius-sm);padding:10px;font-size:.84rem;font-weight:700}.pdp{background:#fff;padding:26px 0 80px}.breadcrumb{display:flex;gap:8px;align-items:center;font-size:.78rem;color:var(--text-secondary);padding:16px 0 22px;flex-wrap:wrap}.breadcrumb a:hover{color:var(--brand-orange-hover)}.breadcrumb span.sep{color:var(--border-strong)}.pdp-grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:40px;gap:40px;align-items:start}.pdp-media-main{aspect-ratio:1/1;border-radius:var(--radius-lg);overflow:hidden;background:radial-gradient(circle at 50% 42%,#1e293b 0,#0b1120 78%);border:1px solid var(--border-subtle);display:flex;align-items:center;justify-content:center}.pdp-media-main img{width:100%;height:100%;object-fit:cover}.pdp-media-main.is-cutout img{object-fit:contain;padding:8%}.pdp-thumbs{display:grid;grid-template-columns:repeat(4,1fr);grid-gap:10px;gap:10px;margin-top:10px}.pdp-thumb{aspect-ratio:1/1;border-radius:6px;overflow:hidden;border:1px solid var(--border-subtle);background:#0b1120;padding:0}.pdp-thumb img{width:100%;height:100%;object-fit:cover}.pdp-thumb[data-active=true]{border-color:var(--brand-orange)}.pdp-code{font-size:.78rem;font-weight:900;letter-spacing:.12em;color:var(--brand-orange-hover);background:var(--brand-orange-soft);border:1px solid #fed7aa;padding:4px 9px;border-radius:4px;display:inline-block}.pdp-title{font-size:clamp(1.4rem,2.2vw,1.9rem);margin:14px 0 12px;font-weight:800}.pdp-desc{font-size:.92rem;color:var(--text-secondary);line-height:1.7;margin-bottom:20px}.spec-table{width:100%;border-collapse:collapse;border:1px solid var(--border-subtle);border-radius:8px;overflow:hidden;margin-bottom:22px}.spec-table td,.spec-table th{padding:12px 14px;font-size:.86rem;text-align:left;border-bottom:1px solid var(--border-subtle);vertical-align:top}.spec-table th{width:128px;background:var(--bg-tint);font-weight:700;color:#334155;font-size:.78rem;text-transform:uppercase;letter-spacing:.03em}.spec-table tr:last-child td,.spec-table tr:last-child th{border-bottom:0}.pdp-cta{display:grid;grid-template-columns:1.4fr 1fr;grid-gap:10px;gap:10px;margin-bottom:10px}.pdp-note{font-size:.78rem;color:var(--text-secondary)}.pdp-related{margin-top:64px;border-top:1px solid var(--border-subtle);padding-top:36px}.pdp-related h2{font-size:1.15rem;margin-bottom:20px}.pdp-related-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));grid-gap:16px;gap:16px}.mini-card{border:1px solid var(--border-subtle);border-radius:var(--radius-md);overflow:hidden;background:#fff;transition:border-color .16s ease,box-shadow .16s ease}.mini-card:hover{border-color:var(--brand-orange);box-shadow:var(--shadow-card)}.mini-media{aspect-ratio:1/1;background:radial-gradient(circle at 50% 42%,#1e293b 0,#0b1120 78%);display:flex;align-items:center;justify-content:center}.mini-media img{width:100%;height:100%;object-fit:cover}.mini-media.is-cutout img{object-fit:contain;padding:10%}.mini-body{padding:11px 12px 13px}.mini-body span{font-size:.68rem;font-weight:800;color:var(--brand-orange-hover);letter-spacing:.08em}.mini-body p{font-size:.82rem;font-weight:700;color:var(--text-dark);line-height:1.4;margin-top:3px}@media (min-width:901px){.filter-inner{flex-wrap:wrap;overflow-x:visible}}@media (max-width:1180px){.main-nav{gap:16px}.main-nav a{font-size:.82rem}.header-actions .btn{display:none}}@media (max-width:1024px){.hero-grid,.inquiry-grid,.pdp-grid,.who-grid{grid-template-columns:1fr}.trust-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr 1fr}.oem-grid,.value-grid{grid-template-columns:1fr}.quick-panel{max-width:520px}}@media (max-width:900px){.main-nav{display:none}.nav-toggle{display:inline-flex;margin-left:auto}.header-inner{gap:14px;min-height:66px}.tervv-topbar .tervv-container{flex-direction:column;align-items:flex-start;gap:2px}.topbar-right{gap:10px}.topbar-left,.topbar-right{font-size:.74rem}.pain-grid{grid-template-columns:1fr}.filter-bar{top:68px}}@media (max-width:768px){html{scroll-padding-top:110px}.tervv-section,.tervv-section-dark,.tervv-section-obsidian,.tervv-section-tint{padding:56px 0}.tervv-container{padding:0 18px}.tervv-hero{padding:56px 0 52px}.hero-cta .btn{width:100%}.tervv-product-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px}.card-body{padding:12px;gap:9px}.card-name{font-size:.85rem;min-height:0}.card-specs{font-size:.72rem}.card-specs li{grid-template-columns:1fr;gap:0}.card-specs b{font-size:.66rem}.card-trust{display:none}.card-actions{grid-template-columns:1fr}.card-actions .btn{padding:9px 6px;font-size:.76rem}.code-badge,.effect-badge{font-size:.62rem;padding:3px 7px}.spare-banner{text-align:left;padding:18px}.footer-grid,.pdp-related-grid,.spare-banner,.trust-grid,.who-media{grid-template-columns:1fr}.who-media figure:first-child,.who-media figure:not(:first-child){aspect-ratio:16/10}.contact-cta,.pdp-cta{grid-template-columns:1fr}.tervv-footer{padding-bottom:88px}.modal{padding:20px}.pdp-thumbs{grid-template-columns:repeat(4,1fr)}}@media (max-width:560px){.tervv-product-grid{grid-template-columns:1fr;gap:10px}.tervv-product-card{flex-direction:row;align-items:flex-start}.tervv-product-card:hover{transform:none}.tervv-card-media{flex:0 0 118px;width:118px;height:118px;aspect-ratio:auto;align-self:flex-start}.tervv-card-media.is-cutout img{padding:8%}.code-badge{font-size:.58rem;padding:2px 6px;bottom:6px;left:6px}.effect-badge{display:none}.card-body{padding:10px 12px;gap:7px}.card-name{font-size:.83rem;min-height:0;line-height:1.35}.card-specs{padding-top:7px;font-size:.72rem;gap:3px}.card-specs li{grid-template-columns:52px 1fr;gap:8px}.card-specs b{font-size:.57rem;padding-top:2px}.card-specs li:nth-child(2){display:none}.card-actions{grid-template-columns:1fr 1fr;gap:6px}.card-actions .btn{padding:8px 4px;font-size:.74rem}}@media (max-width:520px){.topbar-left,.topbar-right .topbar-sep:last-of-type,.topbar-right a[href^=mailto]{display:none}.tervv-topbar .tervv-container{align-items:center;padding-top:5px;padding-bottom:5px}.topbar-right{font-size:.72rem;gap:8px}.logo-sub,.logo-tag{display:none}.header-inner{gap:8px}.lang-switch button{padding:6px 8px;font-size:.72rem}.nav-toggle{padding:7px 9px}.logo-mark{font-size:1.3rem}}.beyond-banner{position:relative;padding:52px 0;background:radial-gradient(900px 340px at 12% -10%,rgba(249,115,22,.22),transparent 62%),linear-gradient(135deg,#0f172a,#090d16 62%,#0b1220);color:var(--text-light);border-top:1px solid rgba(249,115,22,.35);border-bottom:1px solid rgba(255,255,255,.08);overflow:hidden}.beyond-inner{display:grid;grid-template-columns:minmax(0,1fr) 300px;grid-gap:48px;gap:48px;align-items:center}.beyond-badge{display:inline-flex;align-items:center;gap:9px;padding:6px 13px;border-radius:999px;background:rgba(249,115,22,.14);border:1px solid rgba(249,115,22,.42);color:#fdba74;font-size:.72rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;margin-bottom:16px}.beyond-dot{width:7px;height:7px;border-radius:50%;background:var(--brand-orange);box-shadow:0 0 0 3px rgba(249,115,22,.25)}.beyond-title{font-size:clamp(1.12rem,1.9vw,1.55rem);font-weight:800;line-height:1.38;letter-spacing:-.005em;max-width:880px}.beyond-text{margin-top:14px;color:#cbd5e1;font-size:.97rem;line-height:1.7;max-width:820px}.beyond-chips{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 22px}.beyond-chip{padding:6px 12px;border-radius:999px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);font-size:.79rem;font-weight:600;color:#e2e8f0}.beyond-figure{padding:18px;border-radius:var(--radius-lg);background:rgba(255,255,255,.035);border:1px solid rgba(255,255,255,.1)}.beyond-figure-row{display:grid;grid-template-columns:40px 1fr;align-items:center;grid-gap:10px;gap:10px;margin-bottom:10px}.beyond-figure-label{font-size:.68rem;font-weight:800;letter-spacing:.08em;color:var(--text-muted-light)}.beyond-figure-bar{display:block;height:7px;border-radius:999px;background:linear-gradient(90deg,rgba(249,115,22,.9),rgba(249,115,22,.25))}.beyond-figure-arrow{display:flex;align-items:center;gap:10px;margin:16px 0 8px;font-size:.8rem;font-weight:800;color:var(--text-muted-light)}.beyond-figure-line{flex:1 1;height:1px;background:linear-gradient(90deg,rgba(255,255,255,.18),var(--brand-orange))}.beyond-figure-one{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:50%;background:var(--brand-orange);color:#0b1220;font-size:.9rem;font-weight:900}.beyond-figure-caption{font-size:.72rem;color:var(--text-muted-light);line-height:1.5}.beyond-strip{display:flex;align-items:center;gap:16px;padding:14px 18px;margin-bottom:22px;border-radius:var(--radius-md);background:linear-gradient(96deg,#0f172a,#1e293b);border-left:3px solid var(--brand-orange);color:var(--text-light);box-shadow:var(--shadow-card)}.beyond-strip-badge{flex:0 0 auto;padding:5px 10px;border-radius:999px;background:rgba(249,115,22,.16);border:1px solid rgba(249,115,22,.42);color:#fdba74;font-size:.66rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;white-space:nowrap}.beyond-strip-text{flex:1 1 auto;min-width:0;font-size:.84rem;font-weight:700;line-height:1.5;color:#e2e8f0}.beyond-strip .btn{flex:0 0 auto;white-space:nowrap}.os-grid{display:grid;grid-template-columns:1fr 64px 1fr;grid-gap:0;gap:0;align-items:stretch}.os-col{border-radius:var(--radius-lg);padding:26px 26px 22px;border:1px solid var(--border-subtle);background:var(--bg-white);display:flex;flex-direction:column}.os-col-bad{border-color:#e2e8f0;background:#fbfcfd}.os-col-good{border-color:rgba(249,115,22,.42);background:var(--bg-white);box-shadow:0 16px 36px -18px rgba(249,115,22,.42)}.os-col-head{display:flex;align-items:flex-start;gap:13px;padding-bottom:16px;margin-bottom:16px;border-bottom:1px solid var(--border-subtle)}.os-flag{flex:0 0 auto;width:30px;height:30px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-size:.92rem;font-weight:900;line-height:1}.os-flag-bad{background:#f1f5f9;color:#64748b;border:1px solid #cbd5e1}.os-flag-good{background:var(--brand-orange);color:#fff}.os-tag{display:block;font-size:.66rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--text-secondary);margin-bottom:4px}.os-col-good .os-tag{color:var(--brand-orange-hover)}.os-col-head h3{font-size:1.02rem;font-weight:800;line-height:1.35}.os-flow{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px;flex:1 1 auto}.os-flow li{display:grid;grid-template-columns:24px 1fr;grid-gap:11px;gap:11px;align-items:flex-start}.os-n{width:22px;height:22px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-size:.7rem;font-weight:800;background:#f1f5f9;color:#64748b;border:1px solid #e2e8f0;margin-top:1px}.os-col-good .os-n{background:var(--brand-orange-soft);color:var(--brand-orange-hover);border-color:rgba(249,115,22,.32)}.os-flow p{font-size:.9rem;line-height:1.62;color:var(--text-secondary)}.os-col-good .os-flow p{color:#334155;font-weight:500}.os-verdict{margin-top:18px;padding-top:14px;border-top:1px dashed var(--border-subtle)}.os-verdict-bad span{font-size:.82rem;font-weight:800;color:#94a3b8;letter-spacing:.06em}.os-verdict-good{display:flex;align-items:center;gap:9px;color:var(--brand-orange-hover)}.os-verdict-good span{width:20px;height:20px;border-radius:50%;background:var(--brand-orange);color:#fff;font-size:.72rem;font-weight:900;display:inline-flex;align-items:center;justify-content:center}.os-verdict-good strong{font-size:.84rem;font-weight:800;letter-spacing:.01em}.os-divider{display:flex}.os-divider,.os-vs{align-items:center;justify-content:center}.os-vs{display:inline-flex;width:44px;height:44px;border-radius:50%;background:var(--bg-white);border:1px solid var(--border-strong);color:var(--text-secondary);font-size:.72rem;font-weight:900;letter-spacing:.06em;box-shadow:var(--shadow-card)}.oemx-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-gap:18px;gap:18px}.oemx-card{position:relative;padding:24px 20px 22px;border-radius:var(--radius-lg);border:1px solid var(--border-subtle);background:var(--bg-white);box-shadow:var(--shadow-card);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}.oemx-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(249,115,22,.4)}.oemx-n{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:var(--radius-sm);background:var(--brand-orange-soft);color:var(--brand-orange-hover);font-size:1.05rem;font-weight:800;margin-bottom:14px}.oemx-card h3{font-size:1rem;font-weight:800;line-height:1.4;margin-bottom:6px}.oemx-en{display:block;font-size:.72rem;font-weight:600;color:var(--brand-orange-hover);letter-spacing:.01em;margin-bottom:10px}.oemx-card p{font-size:.87rem;line-height:1.65;color:var(--text-secondary)}.oemx-cta{margin-top:22px;padding:22px 26px;border-radius:var(--radius-lg);background:linear-gradient(96deg,#0f172a,#1e293b);border-left:3px solid var(--brand-orange);color:var(--text-light);display:flex;align-items:center;justify-content:space-between;gap:22px;flex-wrap:wrap}.oemx-cta strong{display:block;font-size:1.02rem;font-weight:800;margin-bottom:5px}.oemx-cta p{font-size:.83rem;color:var(--text-muted-light);line-height:1.55}.oemx-actions{display:flex;gap:10px;flex-wrap:wrap}.shield-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-gap:16px;gap:16px}.shield-card{position:relative;padding:24px 20px 22px;border-radius:var(--radius-lg);background:linear-gradient(170deg,rgba(255,255,255,.07),rgba(255,255,255,.025));border:1px solid rgba(255,255,255,.12);border-top:2px solid var(--brand-orange);transition:transform .18s ease,border-color .18s ease,background .18s ease}.shield-card:hover{transform:translateY(-3px);background:linear-gradient(170deg,rgba(255,255,255,.1),rgba(255,255,255,.04));border-color:rgba(249,115,22,.42)}.shield-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.shield-icon{font-size:1.5rem;line-height:1}.shield-n{font-size:1.6rem;font-weight:900;line-height:1;color:rgba(255,255,255,.14);letter-spacing:-.02em}.shield-card h3{font-size:1rem;font-weight:800;line-height:1.4;color:var(--text-light);margin-bottom:9px}.shield-card p{font-size:.85rem;line-height:1.66;color:var(--text-muted-light)}@media (max-width:1180px){.oemx-grid,.shield-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:1024px){.beyond-inner{grid-template-columns:minmax(0,1fr);gap:26px}.beyond-figure{display:none}.os-grid{grid-template-columns:minmax(0,1fr);gap:16px}.os-divider{order:1;padding:2px 0}.os-col-bad{order:0}.os-col-good{order:2}}@media (max-width:768px){.beyond-banner{padding:40px 0}.beyond-title{font-size:1.05rem;line-height:1.45}.beyond-text{font-size:.9rem}.beyond-strip{flex-wrap:wrap;gap:10px;padding:13px 15px}.beyond-strip-text{flex:1 1 100%;order:3;font-size:.8rem}.beyond-strip .btn{order:2;margin-left:auto}.oemx-cta{padding:18px 20px}.oemx-actions{width:100%}.oemx-actions .btn{flex:1 1 auto}}@media (max-width:560px){.oemx-grid,.shield-grid{grid-template-columns:minmax(0,1fr)}.os-col{padding:20px 18px 18px}.os-col-head h3{font-size:.95rem}.os-flow p{font-size:.86rem}.shield-card{padding:20px 18px}.beyond-chips{margin:14px 0 18px}.beyond-chip{font-size:.74rem}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition-duration:.01ms!important;animation-duration:.01ms!important}}