:root{--kn-navy:#2c4b73;--kn-navy-dark:#091f2e;--kn-navy-soft:#16405b;--kn-navy-tint:#f0f4f8;--kn-gold:#c5a059;--kn-gold-deep:#a8843c;--kn-gold-light:#f7ecd7;--kn-gold-tint:#fdfbf7;--kn-text:#1e293b;--kn-muted:#64748b;--kn-line:#e2e8f0;--kn-gold-line:rgba(197, 160, 89, 0.35);--kn-bg-warm:#faf8f5;--kn-bg-white:#ffffff;--kn-radius:16px;--kn-radius-sm:10px;--kn-shadow:0 8px 26px rgba(14, 47, 68, 0.07);--kn-shadow-hover:0 16px 36px rgba(14, 47, 68, 0.13)}.kn-service-page{font-family:inherit;color:var(--kn-text);line-height:1.7;background:#fff;overflow-x:hidden}.kn-wrap{max-width:1200px;margin:0 auto;padding:0 20px}.kn-sec-head{text-align:center;margin-bottom:40px}.kn-sec-head .kn-eyebrow{display:inline-block;font-size:.85rem;font-weight:700;text-transform:uppercase;letter-spacing:1.5px;color:var(--kn-gold-deep);margin-bottom:8px}.kn-sec-head h2{font-size:2.1rem;font-weight:700;color:var(--kn-navy);margin:0 0 12px;line-height:1.3}.kn-sec-head p{font-size:1.05rem;color:var(--kn-muted);max-width:750px;margin:0 auto}.kn-hero{background:linear-gradient(135deg,#0e2f44 0%,#16405b 100%);color:#fff;padding:60px 0 70px;position:relative}.kn-hero-grid{display:grid;grid-template-columns:1.15fr 0.85fr;gap:40px;align-items:center}.kn-hero .kn-eyebrow{display:inline-flex;align-items:center;gap:6px;background:rgb(197 160 89 / .2);border:1px solid rgb(197 160 89 / .4);color:#ffd98a;padding:6px 14px;border-radius:30px;font-size:.85rem;font-weight:600;text-transform:uppercase;letter-spacing:1px;margin-bottom:18px}.kn-hero h1{font-size:2.3rem;font-weight:700;color:#fff;line-height:1.25;margin-bottom:18px}.kn-hero-lede{font-size:1.1rem;color:#e2e8f0;line-height:1.7;margin-bottom:28px}.kn-hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}.kn-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:8px;font-weight:600;font-size:.95rem;text-decoration:none!important;transition:all 0.25s ease;cursor:pointer}.kn-btn--primary{background:var(--kn-gold);color:#0e2f44!important;border:1px solid var(--kn-gold)}.kn-btn--primary:hover{background:#d4af37;transform:translateY(-2px);box-shadow:0 6px 18px rgb(197 160 89 / .4)}.kn-btn--outline{background:#fff0;color:#fff!important;border:1.5px solid rgb(255 255 255 / .7)}.kn-btn--outline:hover{background:rgb(255 255 255 / .12);border-color:#fff;transform:translateY(-2px)}.kn-btn--zalo{background:#0068ff;color:#fff!important;border:1px solid #0068ff}.kn-btn--zalo:hover{background:#0056d6;transform:translateY(-2px)}.kn-chips{display:flex;flex-wrap:wrap;gap:10px}.kn-chip{display:inline-flex;align-items:center;gap:6px;background:rgb(255 255 255 / .1);padding:5px 12px;border-radius:20px;font-size:.85rem;color:#f1f5f9}.kn-hero-visual{position:relative;text-align:center}.kn-hero-img-wrap{position:relative;border-radius:var(--kn-radius,16px);overflow:hidden;box-shadow:0 20px 40px rgb(0 0 0 / .35);border:2px solid rgb(197 160 89 / .45);background:var(--kn-navy-dark,#0e2f44);display:flex;flex-direction:column}.kn-hero-img-wrap img{display:block;width:100%;height:380px;object-fit:cover;object-position:center}.kn-hero-badge{position:static;background:rgb(14 47 68 / .98);padding:16px 20px;border:none;border-top:1.5px solid rgb(197 160 89 / .4);text-align:left;box-sizing:border-box}.kn-hero-badge-title{font-size:.95rem;font-weight:700;color:var(--kn-gold,#c9a96e);margin-bottom:4px;line-height:1.35}.kn-hero-badge-sub{font-size:.8rem;color:#cbd5e1;line-height:1.45;margin:0}.kn-trust{background:var(--kn-navy-dark);color:#fff;border-top:1px solid rgb(255 255 255 / .1)}.kn-trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgb(255 255 255 / .1)}.kn-t-cell{background:var(--kn-navy-dark);padding:22px 20px;display:flex;align-items:flex-start;gap:14px}.kn-t-icon{font-size:1.7rem;line-height:1;color:var(--kn-gold);flex-shrink:0}.kn-t-content h4{font-size:.95rem;font-weight:700;color:#fff;margin:0 0 4px}.kn-t-content p{font-size:.82rem;color:#94a3b8;margin:0;line-height:1.4}.kn-section{padding:65px 0}.kn-section--warm{background:var(--kn-bg-warm)}.kn-section--navy{background:var(--kn-navy);color:#fff}.kn-answer-box{background:var(--kn-gold-tint);border:1px solid var(--kn-gold-line);border-left:4px solid var(--kn-gold);border-radius:12px;padding:28px 32px;margin-bottom:45px}.kn-answer-box h3{font-size:1.35rem;color:var(--kn-navy);margin-top:0;margin-bottom:12px;font-weight:700}.kn-answer-box p{font-size:1.05rem;color:var(--kn-text);margin:0;line-height:1.8}.kn-cond-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px;margin-bottom:30px}.kn-cond-card{background:#fff;border:1px solid var(--kn-line);border-radius:var(--kn-radius-sm);padding:20px;transition:all 0.2s ease}.kn-cond-card:hover{border-color:var(--kn-gold);transform:translateY(-3px);box-shadow:var(--kn-shadow)}.kn-cond-badge{display:inline-block;font-size:.75rem;font-weight:700;padding:3px 10px;border-radius:12px;background:var(--kn-navy-tint);color:var(--kn-navy);margin-bottom:10px}.kn-cond-title{font-size:1.05rem;font-weight:700;color:var(--kn-navy);margin-bottom:8px}.kn-cond-desc{font-size:.9rem;color:var(--kn-muted);margin:0;line-height:1.6}.kn-methods-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:24px}.kn-m-card{background:#fff;border:1px solid var(--kn-line);border-radius:var(--kn-radius);padding:30px 26px;box-shadow:var(--kn-shadow);display:flex;flex-direction:column;position:relative;transition:all 0.25s ease}.kn-m-card:hover{transform:translateY(-4px);box-shadow:var(--kn-shadow-hover)}.kn-m-card--best{border:2px solid var(--kn-gold);background:linear-gradient(180deg,#fff 0%,var(--kn-gold-tint) 100%)}.kn-m-ribbon{position:absolute;top:-12px;right:20px;background:var(--kn-gold);color:#0e2f44;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.5px;padding:4px 12px;border-radius:20px}.kn-m-title{font-family:var(--font-heading,'Montserrat',sans-serif);font-size:1.18rem;font-weight:700;color:var(--kn-navy);margin:0 0 10px;line-height:1.35;min-height:2.7em;display:flex;align-items:center;word-break:keep-all;overflow-wrap:break-word}.kn-m-desc{font-size:.92rem;color:var(--kn-muted);margin-bottom:20px;line-height:1.55;min-height:4.6em}.kn-m-features{list-style:none;padding:0;margin:0 0 24px;flex-grow:1}.kn-m-features li{font-size:.9rem;color:var(--kn-text);padding:6px 0 6px 24px;position:relative}.kn-m-features li::before{content:"✓";position:absolute;left:0;color:var(--kn-gold-deep);font-weight:700}.kn-m-meta{background:var(--kn-navy-tint,rgb(26 82 118 / .06));border-radius:8px;padding:10px 14px;font-size:.82rem;color:var(--kn-navy);margin-bottom:20px;display:flex;justify-content:space-between;gap:8px}.kn-m-meta span{font-weight:600;white-space:nowrap}.kn-tech-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.kn-tech-card{background:#fff;border:1px solid var(--kn-line);border-radius:var(--kn-radius);padding:28px 24px;transition:all 0.2s ease}.kn-tech-card:hover{border-color:var(--kn-gold);transform:translateY(-3px);box-shadow:var(--kn-shadow)}.kn-tech-icon{width:48px;height:48px;background:var(--kn-gold-light);border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:1.4rem;margin-bottom:16px}.kn-tech-title{font-size:1.15rem;font-weight:700;color:var(--kn-navy);margin-bottom:10px}.kn-tech-desc{font-size:.9rem;color:var(--kn-muted);margin:0;line-height:1.6}.kn-proc-steps{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}.kn-step-card{background:#fff;border:1px solid var(--kn-line);border-radius:var(--kn-radius-sm);padding:24px 18px;text-align:center;position:relative;box-shadow:var(--kn-shadow)}.kn-step-num{width:38px;height:38px;background:var(--kn-navy);color:var(--kn-gold);border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1rem;margin:0 auto 14px}.kn-step-title{font-size:.95rem;font-weight:700;color:var(--kn-navy);margin-bottom:8px}.kn-step-desc{font-size:.82rem;color:var(--kn-muted);margin:0;line-height:1.5}.kn-timeline-grid{display:grid;grid-template-columns:1.2fr 0.8fr;gap:40px;align-items:start}.kn-tl-track{border-left:3px solid var(--kn-gold);padding-left:28px;position:relative}.kn-tl-item{position:relative;margin-bottom:28px}.kn-tl-item:last-child{margin-bottom:0}.kn-tl-item::before{content:"";position:absolute;left:-35px;top:4px;width:14px;height:14px;border-radius:50%;background:var(--kn-gold);border:3px solid #fff;box-shadow:0 0 0 2px var(--kn-gold)}.kn-tl-day{font-size:1.05rem;font-weight:700;color:var(--kn-navy);margin-bottom:4px}.kn-tl-desc{font-size:.92rem;color:var(--kn-muted);margin:0;line-height:1.6}.kn-disc-card{background:var(--kn-gold-tint);border:1px solid var(--kn-gold-line);border-radius:var(--kn-radius);padding:26px}.kn-disc-card h4{font-size:1.05rem;font-weight:700;color:var(--kn-gold-deep);margin-top:0;margin-bottom:10px}.kn-disc-card p{font-size:.88rem;color:var(--kn-text);margin:0;line-height:1.6}.kn-doc-card{background:#fff;border:1px solid var(--kn-line);border-radius:var(--kn-radius);padding:34px;display:grid;grid-template-columns:240px 1fr;gap:36px;align-items:center;box-shadow:var(--kn-shadow)}.kn-doc-avatar{border-radius:12px;overflow:hidden;box-shadow:0 8px 20px rgb(0 0 0 / .1);border:2px solid var(--kn-gold)}.kn-doc-avatar img{width:100%;height:280px;object-fit:cover;display:block}.kn-doc-info h3{font-size:1.6rem;font-weight:700;color:var(--kn-navy);margin:0 0 6px}.kn-doc-role{font-size:.95rem;font-weight:600;color:var(--kn-gold-deep);text-transform:uppercase;letter-spacing:.5px;margin-bottom:14px}.kn-doc-desc{font-size:.95rem;color:var(--kn-muted);line-height:1.7;margin-bottom:20px}.kn-doc-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}.kn-doc-tag{background:var(--kn-navy-tint);color:var(--kn-navy);font-size:.8rem;font-weight:600;padding:4px 10px;border-radius:6px}.kn-price-card{background:linear-gradient(135deg,#f8fafc 0%,#edf2f7 100%);border:1px solid var(--kn-line);border-radius:var(--kn-radius);padding:36px 30px;display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:center;box-shadow:var(--kn-shadow)}.kn-price-col h3{font-size:1.4rem;color:var(--kn-navy);margin:0 0 10px}.kn-price-val{font-size:1.8rem;font-weight:700;color:var(--kn-gold-deep);margin-bottom:8px}.kn-price-note{font-size:.9rem;color:var(--kn-muted);margin:0}.kn-member-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.kn-member-card{background:#fff;border:1px solid var(--kn-line);border-radius:var(--kn-radius-sm);padding:24px 20px;text-align:center;transition:all 0.25s ease}.kn-member-card:hover{transform:translateY(-4px);box-shadow:var(--kn-shadow)}.kn-member-badge{font-size:.85rem;font-weight:700;letter-spacing:1px;padding:6px 14px;border-radius:20px;display:inline-block;margin-bottom:14px}.kn-member-card--silver .kn-member-badge{background:#e2e8f0;color:#475569}.kn-member-card--gold .kn-member-badge{background:#fef08a;color:#854d0e}.kn-member-card--platinum .kn-member-badge{background:#e0e7ff;color:#3730a3}.kn-member-card--diamond .kn-member-badge{background:#cffafe;color:#155e75}.kn-member-desc{font-size:.85rem;color:var(--kn-muted);line-height:1.6;margin:0}.kn-faq-list{max-width:850px;margin:0 auto 50px}.kn-faq-item{border:1px solid var(--kn-line);border-radius:var(--kn-radius-sm);margin-bottom:14px;background:#fff;overflow:hidden}.kn-faq-item summary{padding:18px 22px;font-weight:700;font-size:1.05rem;color:var(--kn-navy);cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center}.kn-faq-item summary::-webkit-details-marker{display:none}.kn-faq-item summary::after{content:"+";font-size:1.3rem;color:var(--kn-gold-deep);font-weight:700}.kn-faq-item[open] summary::after{content:"–"}.kn-faq-content{padding:0 22px 20px;font-size:.95rem;color:var(--kn-muted);line-height:1.7}.kn-form-card{background:linear-gradient(135deg,#0e2f44 0%,#16405b 100%);color:#fff;border-radius:var(--kn-radius);padding:44px 36px;display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;box-shadow:0 20px 40px rgb(14 47 68 / .25)}.kn-form-left h3{font-size:1.8rem;color:#fff;margin:0 0 12px}.kn-form-left p{font-size:1rem;color:#cbd5e1;margin:0 0 20px}.kn-form-hotline{display:flex;align-items:center;gap:12px;font-size:1.2rem;font-weight:700;color:#ffd98a}.kn-form-hotline a{color:#ffd98a!important;text-decoration:none}.kn-promo-card{background:linear-gradient(135deg,#0e2f44 0%,#1a4d6e 100%);border:1px solid var(--kn-gold-line);border-radius:var(--kn-radius);padding:36px 40px;margin-bottom:50px;display:flex;align-items:center;justify-content:space-between;gap:30px;box-shadow:0 10px 30px rgb(14 47 68 / .15)}.kn-promo-left h3{color:#ffd98a;font-size:1.5rem;margin:0 0 8px;font-weight:700}.kn-promo-left p{color:#e2e8f0;font-size:1rem;margin:0;line-height:1.6}.kn-factors-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:30px}.kn-factor-card{background:#fff;border:1px solid var(--kn-line);border-radius:var(--kn-radius-sm);padding:28px 24px;position:relative;transition:all 0.25s ease;box-shadow:0 4px 14px rgb(0 0 0 / .04)}.kn-factor-card:hover{transform:translateY(-4px);border-color:var(--kn-gold);box-shadow:0 12px 28px rgb(14 47 68 / .08)}.kn-factor-num{width:36px;height:36px;background:var(--kn-gold-light);color:var(--kn-navy);font-weight:700;border-radius:50%;display:flex;align-items:center;justify-content:center;margin-bottom:16px;font-size:.95rem}.kn-factor-card h4{font-size:1.1rem;font-weight:700;color:var(--kn-navy);margin:0 0 10px}.kn-factor-card p{font-size:.9rem;color:var(--kn-muted);margin:0;line-height:1.6}.kn-package-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:30px}.kn-package-card{background:#fff;border:1px solid var(--kn-line);border-radius:var(--kn-radius-sm);padding:26px 22px;display:flex;gap:18px;align-items:flex-start;transition:all 0.2s ease;box-shadow:0 4px 12px rgb(0 0 0 / .03)}.kn-package-card:hover{border-color:var(--kn-gold);box-shadow:0 8px 22px rgb(14 47 68 / .07)}.kn-package-icon{width:44px;height:44px;background:var(--kn-navy-tint);border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:1.35rem;flex-shrink:0}.kn-package-info h4{font-size:1.05rem;font-weight:700;color:var(--kn-navy);margin:0 0 6px}.kn-package-info p{font-size:.88rem;color:var(--kn-muted);margin:0;line-height:1.5}.kn-medical-notice{background:#f0f7ff;border-left:4px solid #0284c7;border-radius:10px;padding:22px 28px;margin:40px 0 0;display:flex;gap:18px;align-items:center}.kn-medical-notice-icon{font-size:2rem;flex-shrink:0}.kn-medical-notice p{font-size:.95rem;color:#0369a1;margin:0;line-height:1.7}@media (max-width:991px){.kn-promo-card{flex-direction:column;text-align:center;padding:30px 24px}.kn-factors-grid{grid-template-columns:repeat(2,1fr)}.kn-package-grid{grid-template-columns:repeat(2,1fr)}.kn-hero-grid,.kn-timeline-grid,.kn-doc-card,.kn-price-card,.kn-form-card{grid-template-columns:1fr;gap:28px}.kn-hero-img-wrap img{height:320px}.kn-trust-grid{grid-template-columns:repeat(2,1fr)}.kn-proc-steps{grid-template-columns:repeat(2,1fr)}.kn-tech-grid{grid-template-columns:1fr}.kn-member-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width:600px){.kn-factors-grid,.kn-package-grid{grid-template-columns:1fr}.kn-hero{padding:40px 0 50px}.kn-hero h1{font-size:1.8rem}.kn-sec-head h2{font-size:1.6rem}.kn-trust-grid{grid-template-columns:1fr}.kn-proc-steps{grid-template-columns:1fr}.kn-member-grid{grid-template-columns:1fr}.kn-form-card{padding:28px 20px}}