.learning-guide{--guide-bg: #070f20;--guide-surface: #0c172b;--guide-panel: #101e35;--guide-panel-raised: #14243d;--guide-ink: #f0f3f8;--guide-muted: #aeb7c3;--guide-faint: #778597;--guide-line: rgba(196, 204, 214, .17);--guide-silver: #dce2e9;--guide-blue: #91aac4;min-height:100dvh;color:var(--guide-ink);background:radial-gradient(ellipse at 74% 4%,rgba(76,111,157,.16),transparent 37rem),var(--guide-bg);font-family:Pretendard Latin,Noto Sans KR Hangul,Noto Sans KR,sans-serif}.learning-guide *,.learning-guide *:before,.learning-guide *:after{box-sizing:border-box}.guide-shell{width:min(1160px,calc(100% - 64px));margin-inline:auto}.guide-hero{position:relative;isolation:isolate;overflow:hidden;display:block;padding:clamp(54px,7vw,92px) 0 clamp(54px,6vw,76px);border-bottom:1px solid var(--guide-line);background:radial-gradient(ellipse at 72% 45%,rgba(112,143,181,.13),transparent 32rem),linear-gradient(180deg,#0c172b,#070f20)}.guide-hero-inner{position:relative;z-index:1}.guide-eyebrow{margin:0;color:#b7c2d0;font-size:11px;font-weight:600;letter-spacing:.17em;line-height:1.65}.guide-hero .guide-eyebrow span{color:#75869c}.guide-hero h1{max-width:1060px;margin:20px 0 15px;color:#f2f3f5;font-size:clamp(44px,5.8vw,76px);font-weight:620;letter-spacing:-.065em;line-height:1.1;text-wrap:balance}.guide-hero-inner>p{max-width:900px;margin:0;color:#b6c0ce;font-size:clamp(16px,1.45vw,18px);line-height:1.8}.guide-journey-nav{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px;max-width:1160px;margin-top:34px}.guide-journey-nav a{display:grid;grid-template-columns:35px minmax(0,1fr);grid-template-rows:auto 1fr auto;min-width:0;min-height:218px;align-items:start;gap:11px 13px;padding:22px;color:#e5eaf0;border:1px solid rgba(194,207,222,.23);background:linear-gradient(145deg,rgba(122,154,190,.14),transparent 68%),#101e35;text-decoration:none;transition:transform .2s ease,border-color .2s ease,background-color .2s ease}.guide-journey-nav a:hover{transform:translateY(-3px);border-color:#d5e1ef94;background-color:#14243d}.guide-journey-nav .guide-journey-number{grid-row:1/4;color:#a9bacd;font-size:15px;font-variant-numeric:tabular-nums}.guide-journey-nav strong{color:#f0f3f8;font-size:clamp(21px,1.8vw,25px);font-weight:580;line-height:1.35;letter-spacing:-.035em}.guide-journey-summary{color:#b3c0cf;font-size:14px;line-height:1.65}.guide-journey-action{display:flex;grid-column:2;align-items:center;justify-content:space-between;gap:8px;padding-top:12px;color:#dce3eb;border-top:1px solid rgba(196,204,214,.2);font-size:13px;font-weight:560}.guide-journey-action svg{flex:none;color:#b2c3d6}.guide-hero-explore{display:inline-flex;align-items:center;gap:10px;margin-top:22px;color:#c9d3df;font-size:13px;text-decoration:none;transition:color .18s ease}.guide-hero-explore:hover{color:#fff}.guide-starting-section{padding:clamp(55px,7vw,82px) 0;border-bottom:1px solid var(--guide-line);background:#0b1629}.guide-starting-heading{display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,.75fr);align-items:end;-moz-column-gap:38px;column-gap:38px}.guide-starting-heading .guide-eyebrow{grid-column:1/-1}.guide-starting-heading h2{margin:12px 0 0;color:#eef2f6;font-size:clamp(29px,3.5vw,42px);font-weight:570;letter-spacing:-.045em;line-height:1.2}.guide-starting-heading>p{max-width:450px;margin:0;color:#aebaca;font-size:14px;line-height:1.75}.guide-starting-list{display:grid;grid-template-columns:1fr 1fr;gap:0 34px;margin:28px 0 0;padding:0;border-top:1px solid var(--guide-line);list-style:none}.guide-starting-step{display:grid;grid-template-columns:34px minmax(0,1fr);gap:10px 15px;align-content:start;padding:21px 0;border-bottom:1px solid var(--guide-line)}.guide-starting-number{grid-row:1/3;color:#a8b9cc;font-size:13px;font-variant-numeric:tabular-nums}.guide-starting-copy h3{margin:0;color:#e9edf2;font-size:17px;font-weight:570}.guide-starting-copy p{margin:7px 0 0;color:#aebaca;font-size:13px;line-height:1.75}.guide-starting-actions{display:flex;grid-column:2;flex-wrap:wrap;gap:8px 16px;margin-top:4px}.guide-starting-actions a{display:inline-flex;align-items:center;gap:7px;color:#d8e1eb;text-decoration:none;font-size:12px;font-weight:550;line-height:1.5}.guide-starting-actions a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}.guide-starting-actions svg{flex:none;color:#9fb2c7}.guide-section{padding:clamp(66px,8vw,112px) 0;border-bottom:1px solid var(--guide-line);scroll-margin-top:82px}.guide-stage{position:relative;overflow:clip}.guide-stage:nth-of-type(odd){background:linear-gradient(115deg,rgba(255,255,255,.012),transparent 47%)}.guide-stage-heading{display:grid;grid-template-columns:165px minmax(0,1fr);gap:clamp(24px,5vw,74px);align-items:start}.guide-stage-index{display:flex;align-items:center;gap:15px;padding-top:11px;color:#c8d0d9;font-variant-numeric:tabular-nums}.guide-stage-index span{font-size:15px;letter-spacing:.08em}.guide-stage-index i{width:78px;height:1px;background:linear-gradient(90deg,#8898aa,transparent)}.guide-stage-copy{max-width:850px}.guide-stage-copy .guide-eyebrow{color:#a8b7c9}.guide-section h2{margin:17px 0 15px;color:var(--guide-ink);font-size:clamp(36px,5.1vw,65px);font-weight:580;letter-spacing:-.06em;line-height:1.18;text-wrap:balance}.guide-intro{max-width:760px;margin:0;color:#b3becc;font-size:16px;line-height:1.9}.guide-stage-result{display:flex;align-items:center;gap:9px;width:-moz-fit-content;width:fit-content;margin:25px 0 0;padding:10px 13px;color:#cbd4df;border:1px solid rgba(189,203,221,.2);background:#a2b4cb0f;font-size:12px;line-height:1.5}.guide-stage-result svg{flex:none;color:#c5d0de}.guide-usage-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:34px 0 0 165px;padding:0;list-style:none}.guide-usage-steps li{display:flex;min-width:0;flex-direction:column;gap:11px;padding:17px;border:1px solid rgba(196,204,214,.17);background:#0c172b}.guide-usage-steps li>span{color:#a8b9cc;font-size:12px;font-variant-numeric:tabular-nums}.guide-usage-steps li p{margin:0;color:#c0cad6;font-size:13px;line-height:1.8}.guide-stage-features{margin:48px 0 0 165px;border-top:1px solid var(--guide-line)}.guide-feature{display:grid;grid-template-columns:45px minmax(0,1fr) minmax(130px,220px);gap:17px;align-items:center;padding:23px 0;border-bottom:1px solid var(--guide-line);transition:padding .2s ease,background-color .2s ease}.guide-feature:hover{padding-inline:10px;background:#b4c4d606}.guide-feature-index{align-self:start;padding-top:3px;color:#8291a3;font-size:12px;font-variant-numeric:tabular-nums}.guide-feature-copy h3{margin:0;color:#edf0f4;font-size:17px;font-weight:570;letter-spacing:-.025em}.guide-feature-copy p{margin:7px 0 0;color:#aab6c5;font-size:13px;line-height:1.8}.guide-feature-link{display:inline-flex;align-items:center;justify-content:space-between;gap:9px;min-height:42px;padding:8px 11px;color:#dce2e9;border:1px solid rgba(194,207,222,.22);background:#cedae70b;text-decoration:none;font-size:12px;line-height:1.5;transition:color .18s ease,border-color .18s ease,background-color .18s ease}.guide-feature-link svg{flex:none;color:#9daec1}.guide-feature-link:hover{color:#fff;border-color:#d5e1ef87;background:#cedae717}.guide-exam-explorer{margin:75px 0 0 165px;padding-top:32px;border-top:1px solid rgba(196,204,214,.27);scroll-margin-top:84px}.guide-explorer-intro{display:flex;align-items:end;justify-content:space-between;gap:24px}.guide-explorer-intro h3{margin:11px 0 0;color:#e8edf3;font-size:clamp(22px,3vw,31px);font-weight:550;letter-spacing:-.045em}.guide-explorer-intro>p{max-width:390px;margin:0;color:#a6b2c1;font-size:13px;line-height:1.7}.guide-exam-picker{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));margin:28px 0 46px;border-block:1px solid var(--guide-line)}.guide-exam-option{--exam-color: #b7c5d5;display:grid;min-width:0;min-height:126px;grid-template-columns:30px 1fr auto;grid-template-rows:auto auto;align-content:center;align-items:center;gap:7px 8px;padding:15px;color:#e5e9ee;text-align:left;border:0;border-right:1px solid var(--guide-line);background:transparent;cursor:pointer;font:inherit;transition:background-color .2s ease,transform .2s ease}.guide-exam-option:last-child{border-right:0}.guide-exam-option>span{grid-row:1/3;align-self:start;color:var(--exam-color);font-size:13px}.guide-exam-option strong{min-width:0;font-size:14px;line-height:1.4}.guide-exam-option small{grid-column:2/4;color:#aab6c5;font-size:11px;line-height:1.55}.guide-exam-option svg{grid-column:3;grid-row:1;color:var(--exam-color)}.guide-exam-option:hover{background:#bfcdde0f}.guide-exam-option[aria-pressed=true]{background:linear-gradient(145deg,#beccde1a,#beccde06);box-shadow:inset 0 -2px var(--exam-color)}.guide-exam-option[data-exam-brand=gre]{--exam-color: #b8a8c4}.guide-exam-option[data-exam-brand=gre][aria-pressed=true]{background:linear-gradient(145deg,#2a2033,#181a2a)}.guide-goal-heading{margin-bottom:18px}.guide-goal-heading h3{margin:8px 0 6px;color:#e7ecf2;font-size:24px;font-weight:550;letter-spacing:-.035em}.guide-goal-heading .guide-intro{max-width:720px;font-size:13px}.guide-goal-switch{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0 0}.guide-goal-switch button,.guide-help-tabs button,.guide-filter{min-height:44px;padding:9px 14px;color:#c4ceda;border:1px solid rgba(190,204,220,.24);background:#c4d1e10b;font:inherit;font-size:13px;cursor:pointer;transition:color .18s ease,background-color .18s ease,border-color .18s ease}.guide-goal-switch button[aria-selected=true],.guide-help-tabs button[aria-selected=true],.guide-filter[aria-pressed=true]{color:#101720;border-color:#dce2e9;background:#dce2e9}.guide-goal-switch button:hover,.guide-help-tabs button:hover,.guide-filter:hover{border-color:#aebdce}.guide-route-panel{--guide-ink: #edf1f6;--guide-muted: #aeb8c5;display:grid;grid-template-columns:minmax(0,.82fr) minmax(0,1.18fr);gap:26px 40px;margin-top:14px;padding:clamp(22px,4vw,40px);color:var(--guide-ink);border:1px solid rgba(195,208,225,.2);border-top:2px solid var(--exam-color);background:linear-gradient(145deg,rgba(255,255,255,.035),transparent 50%),#0c172b}.guide-route-copy{align-self:start}.guide-screen-tag{display:flex;align-items:center;gap:9px;color:#c3cedb;font-size:12px;font-weight:600}.guide-brand-mark{display:grid;width:31px;height:31px;flex:none;place-items:center;color:var(--exam-color);border:1px solid rgba(195,208,225,.2);background:#cdd8e60f}.guide-route-copy h3{margin:20px 0 12px;color:#eef1f5;font-size:clamp(22px,2.8vw,31px);line-height:1.3;letter-spacing:-.04em}.guide-route-copy>p,.guide-route-next p{color:#b2bdcb;font-size:14px;line-height:1.85}.guide-link{display:inline-flex;min-height:43px;align-items:center;justify-content:center;gap:9px;padding:0 14px;color:#d8dfe7;border:1px solid rgba(190,204,220,.28);background:#cedae70f;text-decoration:none;font:inherit;font-size:13px;font-weight:550;cursor:pointer;transition:transform .18s ease,color .18s ease,background-color .18s ease}.guide-link:hover{transform:translateY(-2px);color:#fff;background:#cedae71f}.guide-link.primary{color:#111821;border-color:#dce2e9;background:#dce2e9}.guide-link.primary:hover{color:#080e17;background:#f3f5f7}.guide-route-copy .guide-link{margin-top:12px}.guide-screen-example{padding:22px;border:1px solid rgba(196,204,214,.17);background:#101e35}.guide-screen-title{display:flex;flex-direction:column;gap:5px;margin:12px 0 16px;color:#eef1f5}.guide-screen-title span{color:#b3c0cf;font-size:12px;font-weight:650}.guide-screen-title strong{font-size:17px;line-height:1.5}.guide-screen-row{display:grid;grid-template-columns:32px minmax(0,1fr) 19px;align-items:start;gap:9px;padding:13px 0;border-top:1px solid var(--guide-line)}.guide-screen-row>span{color:#96a7bb;font-size:12px;font-variant-numeric:tabular-nums}.guide-screen-row p{margin:0;color:#d2d9e2;font-size:13px;line-height:1.65}.guide-screen-row svg{color:#bac6d4}.guide-screen-next{display:flex;gap:12px;margin-top:15px;padding:15px;color:#d8e0e9;border-left:2px solid #a6b8cd;background:#b3c4da12}.guide-screen-next>svg{flex:none;color:#c0ccda}.guide-screen-next b{font-size:13px}.guide-screen-next p{margin:6px 0 0;color:#b5c0cd;font-size:12px;line-height:1.7}.guide-route-next{grid-column:1/-1;padding-top:18px;border-top:1px solid var(--guide-line)}.guide-route-next p{max-width:900px;margin:7px 0 0}.guide-illustrative-note{margin:14px 0 0;color:#9eacbd;font-size:12px;line-height:1.7}.guide-help{background:#0b1629}.guide-section>.guide-shell>h2{margin-top:12px}.guide-help-tabs,.guide-filters{display:flex;flex-wrap:wrap;gap:8px;margin:23px 0 14px}.guide-help-panel{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:22px;border:1px solid var(--guide-line);background:#101e35}.guide-help-panel p{max-width:760px;margin:0;color:#bac4d1;font-size:14px;line-height:1.85}.guide-details{background:#ffffff03}.guide-detailed{border-block:1px solid var(--guide-line)}.guide-detailed>summary{display:flex;min-height:108px;align-items:center;cursor:pointer;list-style:none}.guide-detailed>summary::-webkit-details-marker{display:none}.guide-detailed>summary:after{content:"+";margin-left:auto;color:#c8d2de;font-size:28px;font-weight:300}.guide-detailed[open]>summary:after{content:"−"}.guide-detailed>summary>span{display:grid;gap:6px}.guide-detailed>summary strong{color:#ecf0f5;font-size:19px;font-weight:550}.guide-detailed>summary small{color:#aab6c5;font-size:13px}.guide-detailed-body{padding:0 0 25px}.guide-search-row{display:flex;gap:12px;align-items:center;margin:13px 0;color:#aeb9c7}.guide-search{min-width:0;flex:1;height:48px;padding:0 14px;color:#e7ebf0;border:1px solid rgba(190,204,220,.28);border-radius:0;outline:none;background:#0c172b;font:inherit;font-size:14px}.guide-search::-moz-placeholder{color:#8795a7}.guide-search::placeholder{color:#8795a7}.guide-search:focus{border-color:#c2cedb;box-shadow:0 0 0 3px #c2cedb1f}.guide-reset{display:inline-flex;min-height:47px;align-items:center;gap:8px;padding:0 13px;color:#c5ced9;border:1px solid rgba(190,204,220,.25);background:transparent;font:inherit;font-size:13px;cursor:pointer}.guide-results-count{color:#aab6c5;font-size:12px}.guide-topic-list{display:grid;gap:8px}.guide-topic{border:1px solid rgba(190,204,220,.17);background:#0d192d}.guide-topic summary{display:flex;min-height:58px;align-items:center;gap:14px;padding:12px 16px;cursor:pointer;list-style:none}.guide-topic summary::-webkit-details-marker{display:none}.guide-topic summary:after{content:"+";margin-left:auto;color:#aebcce;font-size:20px;font-weight:300}.guide-topic[open] summary:after{content:"−"}.guide-topic-index{color:#99a9bc;font-size:12px;font-variant-numeric:tabular-nums}.guide-topic-title{color:#e2e7ed;font-size:14px;font-weight:550}.guide-topic-content{padding:0 20px 19px 45px;color:#b0bdcc;font-size:13px;line-height:1.8}.guide-topic-content p{margin:0 0 8px}.guide-topic-content a{color:#e0e6ee;font-weight:600;text-underline-offset:3px}.guide-empty{padding:30px 18px;text-align:center;border:1px dashed rgba(190,204,220,.27);color:#aeb9c7;font-size:13px}.guide-empty strong{display:block;margin-bottom:6px;color:#e5eaf0}.guide-faq-section{background:#0b1629}.guide-faq{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 28px;margin-top:25px;border-top:1px solid var(--guide-line)}.guide-faq details{padding:19px 2px;border-bottom:1px solid var(--guide-line)}.guide-faq summary{color:#e3e8ee;cursor:pointer;font-size:14px;font-weight:570;line-height:1.6}.guide-faq p{margin:10px 0 0;color:#aeb9c7;font-size:13px;line-height:1.8}.guide-privacy{margin:24px 0 0;color:#b2bdca;font-size:13px;line-height:1.7}.guide-footer-links{display:flex;flex-wrap:wrap;gap:9px;padding:20px 0 0}.learning-guide h1,.learning-guide h2,.learning-guide h3{word-break:keep-all;overflow-wrap:anywhere}.learning-guide :is(a,button,input,summary):focus-visible{outline:2px solid #d2dbe5;outline-offset:3px}.learning-guide>header{--app-accent-solid: #2a405c;--app-accent: #aeb7c3;--app-accent-soft: rgba(199,210,224,.14)}.learning-guide>header svg{color:inherit}.learning-guide>footer{--app-bg: var(--guide-bg);--app-surface: var(--guide-surface);--app-border: var(--guide-line);--app-text: var(--guide-ink);--app-text-2: var(--guide-muted);--app-text-3: var(--guide-muted);--app-accent: var(--guide-ink);--app-accent-solid: #2a405c;color:var(--guide-ink);background:var(--guide-bg);border-color:var(--guide-line)}@media(max-width:920px){.guide-hero{min-height:0}.guide-stage-heading{grid-template-columns:100px minmax(0,1fr);gap:25px}.guide-stage-features,.guide-exam-explorer,.guide-usage-steps{margin-left:125px}.guide-exam-picker{grid-template-columns:repeat(3,minmax(0,1fr))}.guide-exam-option:nth-child(3){border-right:0}.guide-exam-option:nth-child(n+4){border-top:1px solid var(--guide-line)}}@media(max-width:700px){.guide-shell{width:calc(100% - 40px)}.guide-hero{padding:48px 0 44px}.guide-hero h1{max-width:620px;margin-top:15px;font-size:clamp(34px,9.8vw,46px)}.guide-hero-inner>p{font-size:15px;line-height:1.75}.guide-journey-nav{grid-template-columns:1fr;gap:9px;margin-top:24px}.guide-journey-nav a{min-height:0;grid-template-columns:30px minmax(0,1fr);gap:9px 12px;padding:17px}.guide-journey-nav strong{font-size:21px}.guide-journey-summary,.guide-journey-action{font-size:13px}.guide-hero-explore{margin-top:18px}.guide-starting-section{padding:52px 0}.guide-starting-heading{grid-template-columns:1fr;gap:8px}.guide-starting-heading .guide-eyebrow{grid-column:1}.guide-starting-heading>p{margin-top:2px}.guide-starting-list{grid-template-columns:1fr;margin-top:20px}.guide-starting-step{padding:18px 0}.guide-section{padding:64px 0;scroll-margin-top:68px}.guide-stage-heading{grid-template-columns:1fr;gap:16px}.guide-stage-index{padding-top:0}.guide-stage-index i{width:50px}.guide-stage-features,.guide-exam-explorer,.guide-usage-steps{margin-left:0}.guide-usage-steps{grid-template-columns:1fr;margin-top:27px}.guide-stage-features{margin-top:34px}.guide-feature{grid-template-columns:32px minmax(0,1fr);gap:11px;padding:19px 0}.guide-feature-link{grid-column:2;justify-self:start;width:min(100%,270px)}.guide-exam-explorer{margin-top:54px}.guide-explorer-intro{align-items:flex-start;flex-direction:column}.guide-exam-picker{grid-template-columns:1fr 1fr;margin-bottom:36px}.guide-exam-option,.guide-exam-option:nth-child(3){border-right:1px solid var(--guide-line)}.guide-exam-option:nth-child(2n){border-right:0}.guide-exam-option:nth-child(n+3){border-top:1px solid var(--guide-line)}.guide-exam-option:last-child{grid-column:1/-1;border-right:0}.guide-route-panel{grid-template-columns:1fr;gap:22px}.guide-route-next{grid-column:1}.guide-help-panel{align-items:flex-start;flex-direction:column}.guide-faq{grid-template-columns:1fr}}@media(max-width:360px){.guide-shell{width:calc(100% - 32px)}.guide-hero h1{font-size:34px}.guide-journey-nav a{padding:15px}.guide-journey-nav strong{font-size:20px}.guide-exam-option{grid-template-columns:25px minmax(0,1fr) auto;padding:12px 9px}.guide-exam-option strong{font-size:12px}.guide-exam-option small{font-size:10px}.guide-search-row{flex-wrap:wrap}.guide-search{flex-basis:calc(100% - 36px)}.guide-reset{margin-left:auto}.guide-topic-content{padding-left:18px}.guide-route-panel{padding:18px}.guide-screen-example{padding:16px}}@media(prefers-reduced-motion:reduce){.learning-guide *,.learning-guide *:before,.learning-guide *:after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}