*{box-sizing:border-box}:root{--navy:#0b1730;--ink:#17233a;--muted:#647086;--blue:#3457e5;--mint:#12a594;--soft:#f6f8ff;--line:rgba(20,36,70,.1);--shadow:0 22px 65px rgba(23,43,89,.09)}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font-family:Pretendard,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:17px;line-height:1.75;letter-spacing:-.018em}body,h1,h2,h3,p,a,span,strong,li,summary{word-break:keep-all;overflow-wrap:break-word}a{color:inherit}.shell{width:min(100% - 56px,1240px);margin:auto}.hub-header{position:sticky;z-index:50;top:0;border-bottom:1px solid rgba(20,36,70,.06);background:rgba(255,255,255,.86);backdrop-filter:blur(20px) saturate(150%)}.header-inner{display:flex;min-height:80px;align-items:center;justify-content:space-between;gap:28px}.brand{display:flex;align-items:center;gap:12px;text-decoration:none}.brand>span{display:grid;width:40px;height:40px;place-items:center;border-radius:13px;color:#fff;background:linear-gradient(135deg,#4165ee,#2846c7);box-shadow:0 10px 22px rgba(52,87,229,.24);font-size:.86rem}.brand strong,.brand small{display:block}.brand strong{color:var(--navy);font-size:1.08rem}.brand small{color:var(--muted);font-size:.7rem}.hub-header nav{display:flex;align-items:center;gap:27px}.hub-header nav a{color:#536078;font-size:.87rem;font-weight:760;text-decoration:none}.hub-header nav .header-cta{display:inline-flex;min-height:46px;align-items:center;padding:0 19px;border-radius:14px;color:#fff;background:var(--blue);box-shadow:0 10px 24px rgba(52,87,229,.2)}.hero{position:relative;isolation:isolate;overflow:hidden;padding:69px 0 58px;background:radial-gradient(circle at 85% 15%,rgba(119,147,246,.25),transparent 28%),radial-gradient(circle at 8% 8%,rgba(18,165,148,.12),transparent 30%),linear-gradient(145deg,#f8faff,#fff 54%,#f4f7ff)}.hero:after{content:"";position:absolute;z-index:-1;top:-190px;right:-120px;width:540px;height:540px;border:1px solid rgba(52,87,229,.08);border-radius:50%;box-shadow:0 0 0 72px rgba(52,87,229,.025),0 0 0 144px rgba(52,87,229,.016)}.breadcrumb{display:flex;gap:8px;margin:0 0 30px;padding:0;color:#748096;font-size:.82rem;font-weight:700;list-style:none}.breadcrumb li+li:before{content:"/";margin-right:8px}.breadcrumb a{text-decoration:none}.hero-grid{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(360px,.72fr);gap:82px;align-items:center}.eyebrow,.section-head>span{display:inline-flex;margin-bottom:20px;color:var(--blue);font-size:.74rem;font-weight:900;letter-spacing:.15em;text-transform:uppercase}.eyebrow{padding:8px 13px;border:1px solid rgba(52,87,229,.13);border-radius:999px;background:rgba(255,255,255,.75)}h1,h2,h3,p{margin-top:0}h1{max-width:840px;margin-bottom:27px;color:var(--navy);font-size:clamp(3.4rem,5.8vw,5.55rem);font-weight:900;line-height:1.04;letter-spacing:-.075em}.hero-grid>div>p{max-width:720px;color:#536078;font-size:1.1rem}.actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:37px}.button{display:inline-flex;min-height:58px;align-items:center;justify-content:center;padding:0 27px;border-radius:15px;font-weight:850;text-decoration:none;transition:transform .2s ease,box-shadow .2s ease}.button:hover{transform:translateY(-3px)}.button.primary{color:#fff;background:linear-gradient(135deg,#4165ee,#2948c9);box-shadow:0 15px 34px rgba(52,87,229,.27)}.button.secondary{border:1px solid var(--line);color:var(--navy);background:rgba(255,255,255,.82)}.hero-panel{padding:35px;border:1px solid rgba(52,87,229,.1);border-radius:30px;background:rgba(255,255,255,.86);box-shadow:0 30px 90px rgba(27,48,98,.14);backdrop-filter:blur(16px)}.panel-label{display:inline-flex;margin-bottom:22px;padding:7px 10px;border-radius:999px;color:var(--blue);background:#edf1ff;font-size:.68rem;font-weight:900}.hero-panel h2{margin-bottom:21px;color:var(--navy);font-size:1.42rem;line-height:1.4}.hero-panel ul{margin:0;padding:0;list-style:none}.hero-panel li{display:flex;gap:13px;padding:13px 0;border-top:1px solid var(--line);color:#536078;font-size:.9rem;font-weight:700}.hero-panel b{color:var(--blue);font-size:.72rem}.trust{display:grid;grid-template-columns:repeat(3,1fr);margin-top:58px;padding:24px;border:1px solid rgba(52,87,229,.09);border-radius:24px;background:rgba(255,255,255,.85);box-shadow:0 20px 55px rgba(25,46,92,.07)}.trust div{padding:4px 28px}.trust div+div{border-left:1px solid var(--line)}.trust strong,.trust span{display:block}.trust strong{color:var(--navy)}.trust span{color:var(--muted);font-size:.82rem}.section{padding:124px 0}.section.soft{background:linear-gradient(180deg,#f6f8ff,#fbfcff)}.section-head{max-width:810px;margin-bottom:52px}.section-head h2{margin-bottom:18px;color:var(--navy);font-size:clamp(2.65rem,4.2vw,4.05rem);line-height:1.13;letter-spacing:-.065em}.section-head p{margin-bottom:0;color:var(--muted)}.grid{display:grid;gap:22px}.grid.three{grid-template-columns:repeat(3,1fr)}.grid.four{grid-template-columns:repeat(4,1fr)}.grid.system{grid-template-columns:repeat(4,1fr)}.grid article,.subjects a{padding:34px;border:1px solid var(--line);border-radius:27px;background:#fff;box-shadow:0 18px 52px rgba(28,49,96,.07);transition:transform .24s ease,box-shadow .24s ease}.grid article:hover,.subjects a:hover{transform:translateY(-7px);box-shadow:0 29px 72px rgba(28,49,96,.12)}.grid article i{display:grid;width:54px;height:54px;place-items:center;margin-bottom:25px;border-radius:17px;color:#fff;background:linear-gradient(135deg,var(--blue),#7187ee);box-shadow:0 12px 25px rgba(52,87,229,.22);font-size:.78rem;font-style:normal;font-weight:900}.grid h3{margin-bottom:11px;color:var(--navy);font-size:1.17rem;line-height:1.4}.grid p{margin-bottom:0;color:var(--muted);font-size:.9rem}.grid.system article{min-height:255px}.process{background:radial-gradient(circle at 90% 10%,rgba(18,165,148,.11),transparent 27%),linear-gradient(145deg,#eef9f7,#f5f8ff)}.timeline{position:relative;display:grid;grid-template-columns:repeat(6,1fr);gap:18px}.timeline:before{content:"";position:absolute;top:35px;right:7%;left:7%;height:2px;background:linear-gradient(90deg,rgba(52,87,229,.2),var(--blue),rgba(18,165,148,.5))}.timeline article{position:relative;min-height:235px;padding:24px;border-radius:24px;background:#fff;box-shadow:var(--shadow)}.timeline b{position:relative;z-index:1;display:grid;width:48px;height:48px;place-items:center;border:7px solid #fff;border-radius:50%;color:#fff;background:var(--blue);box-shadow:0 8px 20px rgba(52,87,229,.25);font-size:.7rem}.timeline h3{margin:25px 0 10px;color:var(--navy);font-size:1.05rem}.timeline p{margin:0;color:var(--muted);font-size:.82rem}.grade article{min-height:270px}.grade article i{display:inline-flex;width:auto;height:auto;padding:8px 12px;border-radius:999px;color:var(--blue);background:#edf1ff;box-shadow:none}.subjects{display:grid;grid-template-columns:repeat(5,1fr);gap:20px}.subjects a{display:flex;min-height:260px;flex-direction:column;text-decoration:none}.subjects i{display:grid;width:52px;height:52px;place-items:center;margin-bottom:25px;border-radius:16px;color:#fff;background:linear-gradient(135deg,var(--blue),#7187ee);font-style:normal;font-weight:900}.subjects strong{color:var(--navy);font-size:1.2rem}.subjects p{color:var(--muted);font-size:.86rem}.tutor{display:grid;grid-template-columns:minmax(0,.72fr) minmax(0,1.28fr);gap:70px;align-items:start}.profile{display:grid;grid-template-columns:220px 1fr;gap:32px;padding:32px;border:1px solid var(--line);border-radius:30px;background:#fff;box-shadow:var(--shadow)}.photo{display:flex;min-height:330px;flex-direction:column;align-items:center;justify-content:center;border-radius:23px;color:#8792a6;background:linear-gradient(145deg,#eef2fa,#f9faff)}.photo small{font-size:.7rem}.profile em{display:inline-flex;padding:7px 10px;border-radius:999px;color:#8b6520;background:#fff7e6;font-size:.69rem;font-style:normal;font-weight:850}.profile h3{color:var(--navy)}.profile dl{margin:0}.profile dl div{display:grid;grid-template-columns:115px 1fr;gap:14px;padding:10px 0;border-top:1px solid var(--line)}.profile dt{color:var(--muted);font-size:.78rem;font-weight:750}.profile dd{margin:0;color:#43516a;font-size:.82rem}.parents{color:#fff;background:#0b1730}.parents .section-head h2{color:#fff}.parents .section-head>span{color:#91a7ff}.parents article{border-color:rgba(255,255,255,.08);background:rgba(255,255,255,.06);box-shadow:none}.parents .grid h3{color:#fff}.parents .grid p{color:rgba(255,255,255,.64)}.faq{max-width:940px}details{overflow:hidden;margin-top:15px;border:1px solid var(--line);border-radius:22px;background:#fff;box-shadow:0 14px 42px rgba(28,47,89,.055)}summary{display:flex;align-items:center;justify-content:space-between;padding:28px 31px;color:var(--navy);cursor:pointer;font-weight:850;list-style:none}summary:after{content:"+";display:grid;width:34px;height:34px;place-items:center;border-radius:50%;color:var(--blue);background:#edf1ff}details[open] summary:after{content:"−"}details p{margin:0;padding:0 78px 30px 31px;color:var(--muted);font-size:.91rem}.hub-cta{padding:88px 0 38px}.cta{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:34px;align-items:center;padding:58px 64px;border-radius:36px;color:#fff;background:linear-gradient(130deg,#0c1935,#172d66 52%,#3457e5);box-shadow:0 32px 90px rgba(25,50,118,.24)}.cta h2{margin-bottom:13px;font-size:clamp(2.2rem,3.6vw,3.45rem);line-height:1.2}.cta p{margin:0;color:rgba(255,255,255,.78)}.cta .button{color:var(--blue);background:#fff}footer{padding:70px 0 32px;color:rgba(255,255,255,.62);background:#091427}.footer-grid{display:flex;justify-content:space-between;gap:50px}.footer-grid strong{color:#fff;font-size:1.3rem}.footer-grid p{color:rgba(255,255,255,.5)}.footer-grid nav{display:flex;flex-wrap:wrap;gap:22px}.footer-grid a{text-decoration:none}@media(max-width:1080px){.grid.system{grid-template-columns:repeat(2,1fr)}.timeline{grid-template-columns:repeat(6,minmax(185px,1fr));overflow-x:auto;padding-bottom:15px}.timeline:before{display:none}.subjects{grid-template-columns:repeat(3,1fr)}}@media(max-width:840px){.hub-header nav a:not(.header-cta){display:none}.hero-grid,.tutor,.cta{grid-template-columns:1fr}.grid.three,.grid.four{grid-template-columns:repeat(2,1fr)}.trust{grid-template-columns:1fr}.trust div+div{border-top:1px solid var(--line);border-left:0}.profile{grid-template-columns:180px 1fr}.subjects{grid-template-columns:repeat(2,1fr)}}@media(max-width:680px){.shell{width:min(100% - 32px,1240px)}.header-inner{min-height:72px}.brand small{display:none}.hub-header nav .header-cta{min-height:42px;padding:0 13px;font-size:.76rem}.hero{padding:46px 0 39px}h1{font-size:clamp(3rem,13vw,4rem)}.actions,.button{width:100%}.hero-panel{padding:27px 22px}.section{padding:88px 0}.section-head h2{font-size:clamp(2.35rem,10vw,3.05rem)}.grid.three,.grid.four,.grid.system,.subjects{grid-template-columns:1fr}.grid article{min-height:auto;padding:28px 24px}.profile{grid-template-columns:1fr;padding:22px}.photo{min-height:240px}.profile dl div{grid-template-columns:1fr;gap:2px}.cta{padding:39px 25px}.footer-grid{display:block}.footer-grid nav{margin-top:30px}}