:root{--blue-900: #0a1628;--blue-800: #0f2744;--blue-700: #1a3a5c;--blue-600: #2563a8;--blue-500: #3b82d6;--cyan: #2dd4bf;--cyan-dark: #14b8a6;--cyan-dim: rgba(45, 212, 191, .12);--white: #ffffff;--gray-50: #f4f8fc;--gray-100: #e2ebf4;--gray-200: #cbd5e1;--gray-600: #475569;--gray-800: #1e293b;--shadow-sm: 0 2px 10px rgba(15, 39, 68, .05);--shadow: 0 12px 40px rgba(15, 39, 68, .09);--radius: 16px;--radius-sm: 10px;--nav-h: 64px;--content-w: 1240px;--section-gap: 5.5rem;--font-serif: "Noto Serif SC", "Songti SC", serif;--font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:var(--nav-h)}body{margin:0;font-family:var(--font-sans);font-size:15px;line-height:1.6;color:var(--gray-800);background:var(--white);-webkit-font-smoothing:antialiased}img{display:block;max-width:100%;height:auto}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer;border:none;background:none}.container{width:min(var(--content-w),calc(100% - 3rem));margin-inline:auto}.image-fallback{display:flex;align-items:center;justify-content:center;width:100%;height:100%;min-height:120px;background:linear-gradient(135deg,#e8f0f8 0%,#dbeafe 100%);color:var(--blue-600);font-size:.85rem;font-weight:600;text-align:center;padding:1rem}.illus{display:block;font-family:var(--font-sans)}.topbar{background:var(--blue-900);color:#ffffffad;font-size:.78rem}.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;min-height:38px}.topbar-trust{display:flex;gap:1.35rem;margin:0;padding:0;list-style:none;flex-wrap:wrap}.topbar-trust li{position:relative;padding-left:.85rem}.topbar-trust li:before{content:"";position:absolute;left:0;top:.55em;width:5px;height:5px;border-radius:50%;background:var(--cyan)}.topbar-right{display:flex;align-items:center;gap:1.5rem}.topbar-phone{display:flex;align-items:baseline;gap:.45rem;white-space:nowrap}.topbar-phone strong{color:var(--cyan);font-size:.86rem;letter-spacing:.02em}.topbar-lang{display:flex;align-items:center;gap:.3rem}.topbar-lang button{color:inherit;opacity:.6;padding:.2rem}.topbar-lang button.active{opacity:1;font-weight:600;color:var(--cyan)}.site-header{position:sticky;top:0;z-index:100;height:var(--nav-h);background:rgba(255,255,255,.96);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--gray-100)}.header-inner{display:flex;align-items:center;gap:1.5rem;height:100%}.logo{display:flex;align-items:center;gap:.65rem;flex:none}.logo-mark svg{display:block;width:34px;height:34px}.logo-text{display:flex;flex-direction:column;line-height:1.15}.logo-en{font-family:var(--font-serif);font-size:1.24rem;font-weight:700;color:var(--blue-700);letter-spacing:.04em}.logo-cn{font-size:.68rem;color:var(--gray-600);letter-spacing:.06em}.nav{margin-left:auto;display:flex;align-items:center;gap:1.4rem}.nav a{position:relative;font-size:.85rem;color:var(--gray-600);white-space:nowrap;padding:.25rem 0;transition:color .2s}.nav a:after{content:"";position:absolute;left:0;bottom:-.15rem;width:0;height:2px;background:var(--cyan);transition:width .25s}.nav a:hover{color:var(--blue-700)}.nav a:hover:after{width:100%}.header-cta{flex:none;padding:.52rem 1.2rem;border-radius:999px;background:var(--blue-700);color:var(--white);font-size:.82rem;font-weight:600;transition:background .2s}.header-cta:hover{background:var(--blue-600)}.nav-toggle{display:none;flex-direction:column;gap:5px;padding:8px;margin-left:auto}.nav-toggle span{display:block;width:22px;height:2px;background:var(--gray-800);transition:transform .3s,opacity .3s}.hero{position:relative;overflow:hidden;padding:3.5rem 0 5rem}.hero-bg{position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(115deg,var(--blue-900) 0%,var(--blue-800) 55%,#12365c 100%)}.hero-grid{position:absolute;top:0;right:0;bottom:0;left:0;background-image:linear-gradient(rgba(45,212,191,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(45,212,191,.05) 1px,transparent 1px);background-size:44px 44px;-webkit-mask-image:radial-gradient(ellipse 80% 90% at 20% 40%,black 10%,transparent 70%);mask-image:radial-gradient(ellipse 80% 90% at 20% 40%,black 10%,transparent 70%)}.hero-shape{position:absolute;border-radius:50%;filter:blur(100px);opacity:.28}.hero-shape-1{width:420px;height:420px;background:var(--cyan);top:-110px;left:38%}.hero-layout{position:relative;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:center}.hero-copy{width:min(620px,100%);margin-left:auto;padding-right:3.5rem}.hero-badge{display:inline-block;padding:.4rem 1rem;border-radius:4px;background:var(--cyan-dim);border-left:3px solid var(--cyan);color:var(--cyan);font-size:.78rem;font-weight:600;margin-bottom:1.4rem;line-height:1.4}.hero-title{margin:0 0 1.1rem}.hero-en{display:block;font-family:var(--font-serif);font-size:clamp(2.6rem,5.2vw,4.2rem);font-weight:700;color:var(--white);line-height:1.05;letter-spacing:.02em}.hero-cn{display:block;margin-top:.7rem;padding-top:.7rem;border-top:1px solid rgba(255,255,255,.16);font-size:clamp(1rem,1.9vw,1.24rem);font-weight:600;color:#ffffffeb}.hero-desc{margin:0 0 1.9rem;font-size:.92rem;line-height:1.9;color:#ffffffa6}.hero-actions{display:flex;gap:.85rem;flex-wrap:wrap;margin-bottom:2.1rem}.hero-cta{display:inline-flex;align-items:center;justify-content:center;padding:.75rem 1.6rem;border-radius:6px;font-size:.9rem;font-weight:600;transition:transform .2s,box-shadow .2s,background .2s}.hero-cta.primary{background:var(--cyan);color:#06312c;box-shadow:0 6px 22px #2dd4bf4d}.hero-cta.primary:hover{transform:translateY(-2px);box-shadow:0 10px 30px #2dd4bf6b}.hero-cta.secondary{background:transparent;color:var(--white);border:1px solid rgba(255,255,255,.28)}.hero-cta.secondary:hover{border-color:var(--cyan);color:var(--cyan)}.hero-quick{display:flex;align-items:center;gap:.9rem;flex-wrap:wrap}.hero-quick-label{font-size:.72rem;letter-spacing:.1em;color:#ffffff6b;white-space:nowrap}.hero-quick-links{display:flex;flex-wrap:wrap;gap:.45rem}.hero-quick-links a{padding:.3rem .75rem;border-radius:4px;font-size:.75rem;color:#ffffffb8;border:1px solid rgba(255,255,255,.14);transition:background .2s,color .2s}.hero-quick-links a:hover{background:rgba(45,212,191,.14);color:var(--cyan)}.hero-visual{align-self:center}.hero-carousel{position:relative;padding:.9rem;border:1px solid rgba(255,255,255,.14);border-right:none;border-radius:20px 0 0 20px;background:rgba(255,255,255,.06);box-shadow:-18px 24px 60px #00000047}.hero-carousel-viewport{position:relative;aspect-ratio:4 / 3;overflow:hidden;border-radius:14px 0 0 14px;background:var(--white)}.hero-slide{position:absolute;top:0;right:0;bottom:0;left:0;opacity:0;transition:opacity .55s ease;pointer-events:none}.hero-slide.active{opacity:1;pointer-events:auto}.hero-slide .illus{width:100%;height:100%;object-fit:contain;background:linear-gradient(180deg,#f8fbff 0%,#eef4fa 100%)}.hero-carousel-dots{display:flex;gap:.45rem;margin-top:.8rem}.hero-carousel-dot{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.28);padding:0}.hero-carousel-dot.active{background:var(--cyan);width:24px;border-radius:4px}.stats-band{position:relative;z-index:2;margin-top:-2.75rem;display:grid;grid-template-columns:repeat(4,1fr);background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.stats-band__item{padding:1.6rem 1.5rem;text-align:center}.stats-band__item+.stats-band__item{border-left:1px solid var(--gray-100)}.stats-band__value{display:block;font-family:var(--font-serif);font-size:1.7rem;font-weight:700;color:var(--blue-600);line-height:1.2}.stats-band__label{display:block;margin-top:.3rem;font-size:.76rem;color:var(--gray-600)}.section{padding:var(--section-gap) 0}.section-alt{background:var(--gray-50)}.section-dark{background:linear-gradient(140deg,var(--blue-900) 0%,var(--blue-800) 100%)}.section-head{display:grid;grid-template-columns:auto 1fr;align-items:start;gap:1.6rem;padding-bottom:1.6rem;margin-bottom:3rem;border-bottom:1px solid var(--gray-100)}.section-index{font-family:var(--font-serif);font-size:3.1rem;font-weight:700;line-height:.9;color:#2563a833}@supports (-webkit-text-stroke: 1px black){.section-index{color:transparent;-webkit-text-stroke:1.5px rgba(37,99,168,.42)}}.section-title{margin:0 0 .5rem;font-family:var(--font-serif);font-size:clamp(1.55rem,2.8vw,2.05rem);font-weight:700;color:var(--blue-700);line-height:1.25}.section-subtitle{margin:0;max-width:68ch;font-size:.92rem;line-height:1.8;color:var(--gray-600)}.section-dark .section-head{border-bottom-color:#ffffff1f}.section-dark .section-title{color:var(--white)}.section-dark .section-subtitle{color:#fff9}.section-dark .section-index{color:#2dd4bf47}@supports (-webkit-text-stroke: 1px black){.section-dark .section-index{color:transparent;-webkit-text-stroke:1.5px rgba(45,212,191,.5)}}.panel-title{display:flex;align-items:center;gap:.6rem;margin:0 0 1.15rem;font-size:1.02rem;font-weight:700;color:var(--blue-700)}.panel-title:before{content:"";flex:none;width:4px;height:17px;border-radius:2px;background:var(--cyan)}.section-dark .panel-title{color:var(--white)}.panel{margin-top:2rem;padding:1.9rem 2.1rem;background:var(--white);border:1px solid var(--gray-100);border-radius:var(--radius);box-shadow:var(--shadow-sm)}.panel p{margin:0;font-size:.9rem;line-height:1.85;color:var(--gray-600)}.check-list{margin:0;padding:0;list-style:none}.check-list li{position:relative;padding-left:1.4rem;margin-bottom:.7rem;font-size:.88rem;line-height:1.75;color:var(--gray-600)}.check-list li:last-child{margin-bottom:0}.check-list li:before{content:"";position:absolute;left:0;top:.62em;width:6px;height:6px;border-radius:50%;border:2px solid var(--cyan-dark)}.check-list strong{color:var(--blue-600);font-weight:600}.section-dark .check-list li{color:#ffffffad}.section-dark .check-list li:before{border-color:var(--cyan)}.section-dark .check-list strong{color:var(--cyan)}.rule-cols{display:grid;grid-template-columns:1fr 1fr}.rule-col{padding:0 2.75rem}.rule-col:first-child{padding-left:0}.rule-col:last-child{padding-right:0;border-left:1px solid var(--gray-100)}.dark-cols{display:grid;grid-template-columns:1fr 1fr}.dark-col{padding:0 2.75rem}.dark-col:first-child{padding-left:0}.dark-col:last-child{padding-right:0;border-left:1px solid rgba(255,255,255,.12)}.summary-bar{margin-top:2.5rem;padding:1.2rem 1.6rem;border-left:3px solid var(--cyan);background:rgba(255,255,255,.05);border-radius:0 var(--radius-sm) var(--radius-sm) 0;font-size:.9rem;line-height:1.85;color:#ffffffb8}.summary-bar strong{color:var(--cyan)}.about-content{display:grid;grid-template-columns:.88fr 1.12fr;gap:3.25rem;align-items:start}.about-visual{position:sticky;top:calc(var(--nav-h) + 2rem)}.about-image-wrap{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);background:var(--gray-100);aspect-ratio:16 / 10}.about-image-wrap img{width:100%;height:100%;object-fit:cover}.about-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:.7rem;margin-top:.85rem}.mini-stat{padding:.9rem .5rem;text-align:center;background:var(--gray-50);border:1px solid var(--gray-100);border-radius:var(--radius-sm)}.mini-stat__value{display:block;font-size:1.05rem;font-weight:700;color:var(--blue-600)}.mini-stat__label{display:block;margin-top:.2rem;font-size:.68rem;color:var(--gray-600);line-height:1.3}.about-text p{margin:0 0 1rem;font-size:.93rem;line-height:1.95;color:var(--gray-600)}.about-text p:last-child{margin-bottom:0}.about-text strong{color:var(--blue-700);font-weight:600}.process-band{padding:3.25rem 0;background:var(--blue-700)}.process-band__title{margin:0 0 2.25rem;font-family:var(--font-serif);font-size:1.2rem;font-weight:700;color:var(--white);letter-spacing:.06em}.timeline{position:relative;display:grid;grid-template-columns:repeat(6,1fr);margin:0;padding:0;list-style:none}.timeline:before{content:"";position:absolute;top:21px;left:8.33%;right:8.33%;height:1px;background:rgba(255,255,255,.2)}.timeline-step{position:relative;display:flex;flex-direction:column;align-items:center;gap:.8rem}.timeline-step__dot{position:relative;z-index:1;display:grid;place-items:center;width:42px;height:42px;border-radius:50%;background:var(--blue-700);border:1px solid rgba(45,212,191,.55);color:var(--cyan);font-size:.78rem;font-weight:700;letter-spacing:.02em}.timeline-step__label{font-size:.82rem;color:#fffc;text-align:center}.split-panel{display:grid;grid-template-columns:1fr 1fr;margin-bottom:2.25rem;background:var(--white);border:1px solid var(--gray-100);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden}.split-panel__col{padding:2rem 2.25rem}.split-panel__col+.split-panel__col{border-left:1px solid var(--gray-100);background:linear-gradient(180deg,#fbfdff 0%,#f5fbff 100%)}.bento{display:grid;grid-template-columns:1fr 1fr;gap:1.3rem}.bento-card{display:flex;background:var(--white);border:1px solid var(--gray-100);border-radius:var(--radius);overflow:hidden;transition:transform .25s,box-shadow .25s,border-color .25s}.bento-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cfe0ee}.bento-card--wide{grid-column:span 2}.bento-card__image{position:relative;flex:0 0 42%;min-height:195px;background:linear-gradient(160deg,#f1f7fc 0%,#e4eef8 100%);overflow:hidden}.bento-card--wide .bento-card__image{flex:0 0 21%}.bento-card__image img{width:100%;height:100%;object-fit:contain;padding:.7rem}.bento-tag{position:absolute;top:.7rem;left:.7rem;padding:.24rem .62rem;border-radius:4px;background:rgba(26,58,92,.9);color:var(--white);font-size:.68rem;font-weight:600}.bento-card__body{flex:1;display:flex;flex-direction:column;justify-content:center;padding:1.35rem 1.5rem}.bento-card__body h4{margin:0 0 .5rem;font-size:.98rem;font-weight:700;color:var(--blue-700);line-height:1.4}.bento-card__body p{margin:0;font-size:.85rem;line-height:1.75;color:var(--gray-600)}.med-notice{display:flex;align-items:flex-start;gap:.85rem;padding:1.05rem 1.35rem;margin-bottom:1.4rem;border:1px solid #fcd9a4;border-left:3px solid #e0872a;border-radius:var(--radius-sm);background:#fffaf1}.med-notice__icon{flex:none;display:grid;place-items:center;width:20px;height:20px;margin-top:.15rem;border-radius:50%;background:#e0872a;color:var(--white);font-size:.74rem;font-weight:800}.med-notice p{margin:0;font-size:.83rem;line-height:1.8;color:#7c4a12}.med-legend{display:flex;flex-wrap:wrap;gap:.6rem;margin:0 0 1.6rem;padding:0;list-style:none}.med-featured{margin:0 0 1.8rem;padding:1.35rem 1.5rem 1.2rem;background:var(--white);border:1px solid var(--gray-100);border-radius:var(--radius);box-shadow:var(--shadow-sm)}.med-featured__title{margin:0 0 .9rem;font-size:.78rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--gray-600)}.med-featured__list{display:grid;grid-template-columns:repeat(4,1fr);gap:.75rem;margin:0;padding:0;list-style:none}.med-featured__list li{display:flex;flex-direction:column;gap:.2rem;padding:.85rem .95rem;border-radius:10px;background:#f6fafc;border:1px solid #e4eef5}.med-featured__name{font-size:.95rem;font-weight:800;color:var(--blue-700)}.med-featured__hint{font-size:.75rem;color:var(--gray-600)}.med-featured__list .med-tag{align-self:flex-start;margin-top:.35rem}.med-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.3rem}.med-card{padding:1.7rem 1.8rem;background:var(--white);border:1px solid var(--gray-100);border-radius:var(--radius);box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s,border-color .25s}.med-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cfe0ee}.med-card .panel-title{margin-bottom:.55rem}.med-card__desc{margin:0 0 .4rem;font-size:.82rem;line-height:1.7;color:var(--gray-600)}.med-list{margin:0;padding:0;list-style:none}.med-item{padding:.95rem 0 .2rem;border-top:1px solid var(--gray-100)}.med-item:last-child{padding-bottom:0}.med-item__head{display:flex;align-items:center;gap:.5rem;flex-wrap:wrap}.med-item__name{font-size:.9rem;font-weight:700;color:var(--blue-700)}.med-item__spec{display:block;margin-top:.2rem;font-size:.74rem;letter-spacing:.02em;color:var(--gray-600);opacity:.8}.med-item__use{margin:.35rem 0 0;font-size:.82rem;line-height:1.75;color:var(--gray-600)}.med-tag{flex:none;padding:.14rem .5rem;border-radius:4px;border:1px solid currentColor;font-size:.68rem;font-weight:700;line-height:1.5;white-space:nowrap}.med-tag--otcA{color:#c2410c;background:#fff1e9}.med-tag--otcB{color:#15803d;background:#eefaf1}.med-tag--rx{color:var(--blue-600);background:#eef4fc}.cert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.1rem;margin-bottom:2rem}.cert-card{margin:0;padding:1.7rem 1.25rem;background:var(--white);border:1px solid var(--gray-100);border-radius:var(--radius);box-shadow:var(--shadow-sm);text-align:center;transition:transform .2s,border-color .2s}.cert-card:hover{transform:translateY(-3px);border-color:var(--cyan)}.cert-icon{display:block;width:58px;height:58px;margin:0 auto .9rem}.cert-card figcaption{display:block}.cert-card__title{display:block;font-size:.94rem;font-weight:700;color:var(--blue-700)}.cert-card__sub{display:block;margin-top:.3rem;font-size:.78rem;color:var(--gray-600);line-height:1.5}.support-blocks{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem}.support-blocks .panel{margin-top:0}.contact-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:3.5rem;align-items:center}.contact-lead{display:flex;flex-direction:column;gap:.5rem}.contact-lead__label{font-size:.78rem;letter-spacing:.1em;color:#ffffff80}.contact-lead__value{font-family:var(--font-serif);font-size:clamp(1.9rem,3.8vw,2.85rem);font-weight:700;color:var(--cyan);line-height:1.1}.contact-lead__hint{font-size:.82rem;color:#ffffff8c}.contact-list{display:grid;gap:.4rem;margin:0}.contact-list>div{display:grid;grid-template-columns:6.5rem 1fr;gap:1rem;padding:.9rem 0;border-bottom:1px solid rgba(255,255,255,.12)}.contact-list dt{font-size:.8rem;color:#ffffff80}.contact-list dd{margin:0;font-size:.92rem;font-weight:600;color:var(--white)}.contact-list dd a:hover{color:var(--cyan)}.site-footer{background:var(--blue-900);color:#ffffff94}.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1.2fr;gap:3.5rem;padding:3.25rem 0 2.75rem}.footer-logo{display:block;margin-bottom:.9rem;font-family:var(--font-serif);font-size:1.5rem;font-weight:700;color:var(--white);letter-spacing:.05em}.footer-brand p{margin:0;font-size:.84rem;line-height:1.85}.footer-grid h3{margin:0 0 1.1rem;font-size:.9rem;font-weight:600;color:var(--white)}.footer-nav{display:flex;flex-direction:column;align-items:flex-start;gap:.65rem;font-size:.84rem}.footer-nav a:hover{color:var(--cyan)}.footer-contact p{margin:0 0 .6rem;font-size:.84rem;line-height:1.7}.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:1.15rem 0;font-size:.78rem}.footer-bottom .container{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap}.footer-icp{color:inherit}.footer-icp:hover{color:var(--cyan)}@media (max-width: 1287px){.hero-copy{padding-left:1.5rem}}@media (max-width: 1160px){.header-inner,.nav{gap:1rem}.nav a{font-size:.82rem}.header-cta{display:none}}@media (max-width: 1080px){.cert-grid,.med-grid,.med-featured__list{grid-template-columns:repeat(2,1fr)}.support-blocks{grid-template-columns:1fr}.bento-card--wide .bento-card__image{flex:0 0 42%}.stats-band{grid-template-columns:repeat(2,1fr)}.stats-band__item:nth-child(3){border-left:none}.stats-band__item:nth-child(n+3){border-top:1px solid var(--gray-100)}.about-content{grid-template-columns:1fr;gap:2.25rem}.about-visual{position:static}.footer-grid{grid-template-columns:1fr 1fr;gap:2.5rem}}@media (max-width: 900px){:root{--section-gap: 4rem}.hero{padding:2.5rem 0 4rem}.hero-layout{grid-template-columns:1fr;gap:2.5rem}.hero-copy{width:min(var(--content-w),calc(100% - 3rem));margin-inline:auto;padding:0}.hero-visual{padding-left:1.5rem}.rule-cols,.dark-cols{grid-template-columns:1fr;gap:2.25rem}.rule-col,.dark-col{padding:0}.rule-col:last-child{border-left:none;border-top:1px solid var(--gray-100);padding-top:2.25rem}.dark-col:last-child{border-left:none;border-top:1px solid rgba(255,255,255,.12);padding-top:2.25rem}.split-panel{grid-template-columns:1fr}.split-panel__col+.split-panel__col{border-left:none;border-top:1px solid var(--gray-100)}.contact-layout{grid-template-columns:1fr;gap:2.25rem}.timeline{grid-template-columns:repeat(3,1fr);row-gap:1.75rem}.timeline:before{display:none}.topbar-trust li:nth-child(n+3){display:none}.header-cta{display:none}.nav-toggle{display:flex}.nav{display:none;position:fixed;inset:var(--nav-h) 0 auto;flex-direction:column;align-items:flex-start;gap:.9rem;padding:1.35rem 1.5rem;background:var(--white);box-shadow:var(--shadow)}.nav.nav-open{display:flex}.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}.nav-toggle.open span:nth-child(2){opacity:0}.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}}@media (max-width: 640px){.section-head{grid-template-columns:1fr;gap:.5rem}.section-index{font-size:2.2rem}.bento{grid-template-columns:1fr}.bento-card{flex-direction:column}.bento-card__image,.bento-card--wide .bento-card__image{flex:none;aspect-ratio:16 / 10;min-height:0}.bento-card--wide{grid-column:auto}.cert-grid,.med-grid{grid-template-columns:1fr}.med-featured__list{grid-template-columns:1fr 1fr}.med-card{padding:1.4rem 1.35rem}.stats-band{grid-template-columns:1fr}.stats-band__item+.stats-band__item{border-left:none;border-top:1px solid var(--gray-100)}.about-cards,.timeline{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr}.contact-list>div{grid-template-columns:1fr;gap:.25rem}.topbar-phone span{display:none}}