.study-hero{
  background:
    radial-gradient(circle at 84% 18%,rgba(202,153,62,.2),transparent 25%),
    linear-gradient(135deg,#0c2237,#173f61 72%,#24587d);
  color:#fff;
  padding:28px 0 58px;
}
.study-hero.fund-study-hero{
  background:
    radial-gradient(circle at 84% 18%,rgba(137,193,154,.2),transparent 25%),
    linear-gradient(135deg,#102b2b,#225444 72%,#36745a);
}
.study-crumb{display:flex;align-items:center;gap:8px;color:#afc0cf;font-size:13px;margin-bottom:34px;}
.study-crumb a:hover{color:#fff;}
.study-hero-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(270px,.65fr);gap:60px;align-items:end;}
.study-kicker{display:block;color:#d5b567;font-size:11px;font-weight:900;letter-spacing:2.5px;margin-bottom:12px;}
.fund-study-hero .study-kicker{color:#9dd0ae;}
.study-hero h1{color:#fff;font-size:46px;line-height:1.22;}
.study-hero p{color:#c9d7e2;font-size:16px;line-height:1.8;max-width:720px;margin:17px 0 0;}
.fund-study-hero p{color:#cee2d5;}
.study-hero-aside{border-left:1px solid rgba(255,255,255,.22);padding-left:28px;}
.study-hero-aside span{display:block;color:#9fb3c4;font-size:11px;font-weight:800;letter-spacing:1.5px;}
.study-hero-aside strong{display:block;color:#fff;font:800 24px var(--serif);margin:5px 0 10px;}
.study-hero-aside p{font-size:12.5px;line-height:1.7;margin:0;}
.study-nav{background:#fff;border-bottom:1px solid var(--line);}
.study-nav .wrap{display:flex;gap:7px;overflow-x:auto;padding-top:12px;padding-bottom:12px;scrollbar-width:none;}
.study-nav .wrap::-webkit-scrollbar{display:none;}
.study-nav a{flex:0 0 auto;border:1px solid #dfe5e9;border-radius:999px;color:#526270;font-size:12px;font-weight:700;padding:8px 13px;}
.study-nav a:hover{border-color:#9fb0bd;color:var(--navy);background:#f5f7f9;}
.study-method{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;}
.study-method article{border:1px solid var(--line);border-radius:13px;background:#fff;padding:21px 22px;}
.study-method span{display:inline-flex;width:29px;height:29px;align-items:center;justify-content:center;border-radius:50%;background:#143c5c;color:#fff;font:800 13px var(--serif);}
.fund-accent .study-method span{background:#347455;}
.study-method h3{font-size:18px;margin:12px 0 5px;}
.study-method p{color:#687683;font-size:13px;line-height:1.7;margin:0;}
.knowledge-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#dfe5e8;}
.knowledge-flow article{position:relative;background:#fff;padding:23px 21px;min-height:185px;}
.knowledge-flow article:not(:last-child)::after{content:"›";position:absolute;right:-10px;top:50%;z-index:2;display:grid;place-items:center;width:20px;height:34px;margin-top:-17px;background:#b58b38;color:#fff;font-size:20px;}
.fund-accent .knowledge-flow article:not(:last-child)::after{background:#397a59;}
.knowledge-flow span{color:#a37a2c;font-size:10px;font-weight:900;letter-spacing:1.5px;}
.fund-accent .knowledge-flow span{color:#397a59;}
.knowledge-flow h3{font-size:18px;margin:6px 0 7px;}
.knowledge-flow p{color:#6a7783;font-size:12.5px;line-height:1.65;margin:0;}
.study-table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:13px;background:#fff;}
.study-table{width:100%;min-width:760px;border-collapse:collapse;}
.study-table th{background:#153d5d;color:#fff;font-size:12px;text-align:left;padding:13px 15px;}
.fund-accent .study-table th{background:#2d674c;}
.study-table td{border-top:1px solid #e5eaed;color:#596773;font-size:12.5px;line-height:1.55;padding:13px 15px;vertical-align:top;}
.study-table td:first-child{color:var(--navy);font-weight:800;white-space:nowrap;}
.study-table tr:nth-child(even) td{background:#f8fafb;}
.note-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:15px;}
.note-card{border:1px solid var(--line);border-radius:13px;background:#fff;padding:22px 23px;}
.note-card header{display:flex;align-items:flex-start;gap:12px;margin-bottom:10px;}
.note-card header span{flex:0 0 auto;border-radius:7px;background:#edf2f5;color:#9b7329;font-size:10px;font-weight:900;letter-spacing:1px;padding:6px 8px;}
.fund-accent .note-card header span{color:#337253;background:#e9f3ed;}
.note-card h3{font-size:18px;}
.note-card ul{margin:0;padding-left:18px;color:#5f6e7b;font-size:13px;line-height:1.75;}
.note-card li+li{margin-top:5px;}
.memory-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;}
.memory-strip article{border-top:4px solid #b68a36;border-radius:9px;background:#fff;padding:18px 19px;box-shadow:0 4px 14px rgba(21,48,69,.06);}
.fund-accent .memory-strip article{border-top-color:#397a59;}
.memory-strip span{color:#8c99a3;font-size:10px;font-weight:900;letter-spacing:1px;}
.memory-strip b{display:block;color:var(--navy);font:800 17px var(--serif);margin:5px 0;}
.memory-strip p{color:#667481;font-size:12.5px;line-height:1.65;margin:0;}
.study-alert{border:1px solid #ead7a8;border-radius:12px;background:#fffaf0;padding:19px 21px;color:#725d2f;font-size:13px;line-height:1.75;}
.study-alert strong{color:#664d17;}
.study-alert a{text-decoration:underline;font-weight:800;}
.study-cta{display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center;border-radius:16px;background:#102f4a;color:#fff;padding:29px 31px;}
.fund-accent .study-cta{background:#24533f;}
.study-cta h2{color:#fff;font-size:27px;}
.study-cta p{color:#becfdb;font-size:13.5px;line-height:1.65;margin:8px 0 0;}
.fund-accent .study-cta p{color:#c9dfd2;}
.practice-hero{
  background:linear-gradient(135deg,#102b43,#1c4e72);
  color:#fff;
  padding:27px 0 50px;
}
.practice-hero.fund-practice-hero{background:linear-gradient(135deg,#16382e,#2d684d);}
.practice-hero h1{color:#fff;font-size:43px;margin-top:8px;}
.practice-hero p{color:#c6d6e1;font-size:15px;line-height:1.75;max-width:760px;margin:14px 0 0;}
.fund-practice-hero p{color:#cce0d3;}
.practice-summary{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:13px;background:#fff;overflow:hidden;margin-top:-24px;position:relative;z-index:2;}
.practice-summary>div{padding:18px 20px;border-right:1px solid var(--line);}
.practice-summary>div:last-child{border-right:0;}
.practice-summary strong{display:block;color:var(--navy);font:900 24px var(--serif);}
.practice-summary span{display:block;color:#7a8791;font-size:11px;margin-top:2px;}
.practice-toolbar{position:sticky;top:0;z-index:8;display:grid;grid-template-columns:auto 1fr auto;gap:20px;align-items:center;border:1px solid var(--line);border-radius:12px;background:rgba(255,255,255,.96);box-shadow:0 7px 22px rgba(16,39,57,.08);padding:13px 17px;margin-bottom:20px;backdrop-filter:blur(10px);}
.practice-timer{display:flex;align-items:baseline;gap:8px;color:#71808b;font-size:11px;font-weight:800;letter-spacing:1px;}
.practice-timer strong{color:var(--navy);font:900 23px var(--serif);font-variant-numeric:tabular-nums;}
.practice-timer.warning strong{color:#b15348;}
.progress-track{height:7px;border-radius:99px;background:#e7ecef;overflow:hidden;}
.progress-track span{display:block;width:0;height:100%;background:#b28737;transition:width .2s;}
.fund-practice .progress-track span{background:#397a59;}
.practice-progress{color:#667581;font-size:12px;font-weight:800;white-space:nowrap;}
.practice-question-list{display:grid;gap:15px;}
.practice-question{border:1px solid var(--line);border-radius:13px;background:#fff;padding:22px 24px;}
.practice-question h3{color:var(--navy);font:700 18px/1.55 var(--serif);margin-bottom:13px;}
.practice-question h3 span{display:inline-block;color:#a87d2f;font-size:13px;margin-right:8px;}
.fund-practice .practice-question h3 span{color:#397a59;}
.question-subject{display:inline-flex;border-radius:999px;background:#edf2f5;color:#596b79;font-size:10px;font-weight:900;letter-spacing:.5px;padding:5px 9px;margin-bottom:9px;}
.practice-question label{display:flex;gap:10px;align-items:flex-start;border:1px solid transparent;border-radius:8px;color:#53616e;font-size:13.5px;line-height:1.55;padding:9px 10px;cursor:pointer;}
.practice-question label:hover{background:#f5f8f9;}
.practice-question input{margin-top:4px;accent-color:#173e5d;}
.practice-question.correct{border-color:#80b599;}
.practice-question.wrong{border-color:#cf8e87;}
.practice-question.unanswered{border-color:#d9b663;}
.practice-question label.answer-correct{border-color:#7eb493;background:#edf7f1;color:#286243;font-weight:700;}
.practice-question label.answer-wrong{border-color:#d09a94;background:#fff1ef;color:#843f38;}
.practice-explanation{border-radius:8px;background:#f0f4f6;color:#536370;font-size:12.5px;line-height:1.7;padding:11px 13px;margin:13px 0 0;}
.practice-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap;border-top:1px solid var(--line);margin-top:25px;padding-top:22px;}
.practice-result{display:none;border-radius:12px;background:#112f49;color:#fff;padding:18px 20px;margin-top:20px;}
.fund-practice .practice-result{background:#25513f;}
.practice-result.show{display:block;}
.practice-result strong{font:900 25px var(--serif);}
.practice-result p{color:#c9d7e1;font-size:13px;line-height:1.65;margin:7px 0 0;}
.practice-result ul{display:flex;gap:8px;flex-wrap:wrap;list-style:none;padding:0;margin:12px 0 0;}
.practice-result li{border:1px solid rgba(255,255,255,.2);border-radius:999px;color:#fff;font-size:11.5px;padding:6px 10px;}
.practice-note{color:#75828c;font-size:12px;line-height:1.7;margin-top:18px;}
@media(max-width:900px){
  .study-hero-grid{grid-template-columns:1fr;gap:30px;}
  .study-hero-aside{border-left:0;border-top:1px solid rgba(255,255,255,.2);padding:22px 0 0;}
  .knowledge-flow{grid-template-columns:repeat(2,1fr);}
  .knowledge-flow article:nth-child(2)::after{display:none;}
  .practice-summary{grid-template-columns:repeat(2,1fr);}
  .practice-summary>div:nth-child(2){border-right:0;}
  .practice-summary>div:nth-child(-n+2){border-bottom:1px solid var(--line);}
}
@media(max-width:680px){
  .study-hero h1,.practice-hero h1{font-size:34px;}
  .study-method,.note-grid,.memory-strip{grid-template-columns:1fr;}
  .knowledge-flow{grid-template-columns:1fr;}
  .knowledge-flow article:not(:last-child)::after{display:none;}
  .practice-toolbar{grid-template-columns:1fr auto;gap:10px;}
  .practice-toolbar .progress-track{grid-column:1/-1;grid-row:2;}
  .practice-question{padding:20px 17px;}
  .study-cta{grid-template-columns:1fr;padding:25px 23px;}
}