.partnership-invite{max-width:1440px;margin:auto;padding:35px clamp(20px,6vw,84px) 100px}.partnership-invite-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:45px;align-items:center;padding:clamp(34px,5vw,60px);border:1px solid #d6e4f0;border-radius:24px;background:linear-gradient(125deg,#f8fbff,#e7f3fc);box-shadow:0 18px 50px rgba(5,48,104,.08)}.pi-kicker{display:block;margin-bottom:14px;color:#0870ce;font-size:11px;font-weight:800;letter-spacing:2px}.partnership-invite h2{margin:0;color:#07346b;font-size:clamp(30px,4vw,49px);line-height:1.12}.partnership-invite p{margin:0;color:#607890;font-size:15px;line-height:1.8}.partnership-invite-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}.partnership-invite-actions a{padding:13px 18px;border-radius:8px;font-size:12px;font-weight:800}.pi-main{background:#0870ce;color:#fff}.pi-call{border:1px solid #b8d4e9;background:#fff;color:#075da9}.start-hero{min-height:610px}.start-hero-note{display:inline-flex;width:max-content;max-width:100%;margin-top:22px;padding:10px 13px;border:1px solid #ffffff36;border-radius:8px;color:#dcecf9;font-size:11px;font-weight:700}.start-choice{position:relative;overflow:hidden}.start-choice:before{position:absolute;inset:0 0 auto;height:4px;background:linear-gradient(90deg,#0870ce,#50b3ed);content:""}.start-choice .start-example{display:block;margin-top:18px;padding-top:16px;border-top:1px solid #e3ebf2;color:#0870ce;font-size:11px;font-weight:800}.start-principles{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.start-principles article{padding:24px;border:1px solid #dce7f1;border-radius:14px;background:#fff}.start-principles strong{display:block;margin-bottom:8px;font-size:14px}.start-principles span{color:#6b8196;font-size:12px;line-height:1.65}.start-contact{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:30px}.start-contact a{display:flex;align-items:center;justify-content:center;min-height:54px;border-radius:9px;font-size:13px;font-weight:800}.start-contact .call{background:#0870ce;color:#fff}.start-contact .zalo{border:1px solid #bfd8eb;background:#fff;color:#0867bc}.start-contact img{width:56px;height:22px;object-fit:contain;margin-right:8px}@media(max-width:850px){.partnership-invite-inner{grid-template-columns:1fr}.start-principles{grid-template-columns:1fr 1fr}}@media(max-width:580px){.partnership-invite{padding-left:18px;padding-right:18px}.partnership-invite-inner{padding:30px 22px}.partnership-invite-actions a{flex:1;text-align:center}.start-principles,.start-contact{grid-template-columns:1fr}}