:root {
    --tc6e-primary: #155eef;
    --tc6e-primary-dark: #0f3fae;
    --tc6e-accent: #ffb020;
    --tc6e-ink: #182230;
    --tc6e-muted: #5f6c7b;
    --tc6e-line: #dfe6ee;
    --tc6e-soft: #f5f8fc;
    --tc6e-green: #067647;
    --tc6e-white: #fff;
}

.tc6e-page .site-content,
.tc6e-page #content { overflow: visible; }
.tc6e-main { background: #f7f9fc; color: var(--tc6e-ink); padding: 28px 0 64px; }
.tc6e-container { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
.tc6e-single-container { width: min(920px, calc(100% - 28px)); }
.tc6e-breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin: 0 0 22px; color: var(--tc6e-muted); font-size: 14px; }
.tc6e-breadcrumb a { color: var(--tc6e-primary-dark); text-decoration: none; }
.tc6e-breadcrumb a:hover { text-decoration: underline; }

.tc6e-hero { background: linear-gradient(135deg, #0f3fae, #155eef 58%, #4c8dff); color: #fff; border-radius: 24px; padding: clamp(30px, 5vw, 64px); box-shadow: 0 20px 48px rgba(21, 94, 239, .2); position: relative; overflow: hidden; }
.tc6e-hero::after { content: ""; position: absolute; width: 280px; height: 280px; border: 50px solid rgba(255,255,255,.08); border-radius: 50%; right: -110px; top: -110px; }
.tc6e-eyebrow { display: inline-flex; align-items: center; letter-spacing: .08em; font-size: 12px; font-weight: 800; text-transform: uppercase; background: rgba(255,255,255,.16); border: 1px solid rgba(255,255,255,.22); border-radius: 999px; padding: 7px 12px; }
.tc6e-hero h1 { color: #fff; font-size: clamp(32px, 5vw, 56px); line-height: 1.12; margin: 18px 0 16px; max-width: 760px; }
.tc6e-hero p { font-size: clamp(16px, 2vw, 20px); line-height: 1.7; max-width: 850px; margin: 0; color: rgba(255,255,255,.9); }
.tc6e-hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; position: relative; z-index: 1; }
.tc6e-button { appearance: none; border: 0; border-radius: 10px; display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 11px 18px; font-weight: 750; text-decoration: none !important; cursor: pointer; transition: transform .15s ease, box-shadow .15s ease, background .15s ease; }
.tc6e-button:hover { transform: translateY(-1px); }
.tc6e-button-primary { color: #fff !important; background: var(--tc6e-primary); box-shadow: 0 8px 18px rgba(21,94,239,.22); }
.tc6e-hero .tc6e-button-primary { color: var(--tc6e-primary-dark) !important; background: #fff; }
.tc6e-button-light { color: var(--tc6e-primary-dark) !important; background: #eef4ff; border: 1px solid #cddcff; }
.tc6e-hero .tc6e-button-light { color: #fff !important; background: rgba(255,255,255,.12); border-color: rgba(255,255,255,.32); }

.tc6e-guide { margin: 28px 0; background: #fff; border: 1px solid var(--tc6e-line); border-radius: 18px; padding: 24px; }
.tc6e-guide h2 { margin: 0 0 18px; font-size: 24px; }
.tc6e-guide-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.tc6e-guide-grid div { display: grid; gap: 7px; padding: 18px; border-radius: 14px; background: var(--tc6e-soft); }
.tc6e-guide-grid strong { color: var(--tc6e-primary-dark); }
.tc6e-guide-grid span { color: var(--tc6e-muted); line-height: 1.55; }

.tc6e-groups { display: grid; gap: 28px; }
.tc6e-group { background: #fff; border: 1px solid var(--tc6e-line); border-radius: 20px; padding: clamp(18px, 3vw, 30px); }
.tc6e-group-heading { display: flex; justify-content: space-between; gap: 16px; align-items: flex-start; margin-bottom: 20px; }
.tc6e-group-heading h2 { margin: 0 0 8px; font-size: clamp(23px, 3vw, 32px); }
.tc6e-group-heading p { margin: 0; color: var(--tc6e-muted); line-height: 1.6; }
.tc6e-count { white-space: nowrap; border-radius: 999px; padding: 7px 12px; background: #eaf1ff; color: var(--tc6e-primary-dark); font-weight: 750; }
.tc6e-exam-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.tc6e-exam-card { border: 1px solid var(--tc6e-line); border-radius: 16px; background: #fff; margin: 0; box-shadow: 0 4px 14px rgba(16, 24, 40, .04); transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease; }
.tc6e-exam-card:hover { transform: translateY(-3px); box-shadow: 0 14px 26px rgba(16, 24, 40, .09); border-color: #b6caff; }
.tc6e-card-link { display: flex; flex-direction: column; height: 100%; padding: 20px; color: var(--tc6e-ink) !important; text-decoration: none !important; }
.tc6e-card-icon { font-size: 25px; }
.tc6e-card-link h3 { font-size: 18px; line-height: 1.4; margin: 10px 0 12px; color: var(--tc6e-ink); }
.tc6e-card-meta { display: flex; flex-wrap: wrap; gap: 10px; color: var(--tc6e-muted); font-size: 13px; }
.tc6e-card-format { margin: 12px 0; color: var(--tc6e-muted); font-size: 14px; line-height: 1.5; }
.tc6e-level { align-self: flex-start; color: var(--tc6e-green); background: #ecfdf3; border-radius: 999px; padding: 5px 9px; font-size: 12px; font-weight: 750; }
.tc6e-open { margin-top: auto; padding-top: 16px; color: var(--tc6e-primary); font-weight: 750; font-size: 14px; }
.tc6e-empty { padding: 20px; text-align: center; background: #fff7e8; border-radius: 12px; }
.tc6e-disclaimer { margin-top: 28px; background: #fff; border-left: 5px solid var(--tc6e-accent); border-radius: 14px; padding: 22px 24px; }
.tc6e-disclaimer h2 { margin: 0 0 8px; font-size: 22px; }
.tc6e-disclaimer p { margin: 0; color: var(--tc6e-muted); line-height: 1.65; }

.tc6e-article { background: #fff; border: 1px solid var(--tc6e-line); border-radius: 22px; overflow: hidden; box-shadow: 0 10px 30px rgba(16,24,40,.07); }
.tc6e-exam-header { padding: clamp(24px, 5vw, 48px); background: linear-gradient(180deg, #f0f5ff, #fff); border-bottom: 1px solid var(--tc6e-line); }
.tc6e-exam-header .tc6e-eyebrow { color: var(--tc6e-primary-dark); background: #dfeaff; border-color: #c5d6ff; }
.tc6e-exam-header h1 { font-size: clamp(30px, 5vw, 48px); line-height: 1.18; margin: 16px 0 12px; color: var(--tc6e-ink); }
.tc6e-lead { color: var(--tc6e-muted); font-size: 17px; line-height: 1.65; max-width: 780px; }
.tc6e-info-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 24px; }
.tc6e-info-grid div { display: grid; gap: 5px; padding: 14px; background: #fff; border: 1px solid var(--tc6e-line); border-radius: 12px; }
.tc6e-info-grid span { font-size: 12px; color: var(--tc6e-muted); text-transform: uppercase; letter-spacing: .04em; }
.tc6e-info-grid strong { font-size: 15px; color: var(--tc6e-ink); }
.tc6e-model { margin: 18px 0 0; padding: 12px 14px; background: #fff8e6; border-radius: 10px; line-height: 1.55; color: #684000; }
.tc6e-toolbar { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }

.tc6e-content { padding: clamp(22px, 5vw, 48px); font-size: 17px; line-height: 1.75; }
.tc6e-content h2 { scroll-margin-top: 90px; font-size: clamp(24px, 3.5vw, 32px); margin: 36px 0 14px; padding-bottom: 8px; border-bottom: 2px solid #e6ecf5; color: var(--tc6e-primary-dark); }
.tc6e-content h2:first-child { margin-top: 0; }
.tc6e-content p { margin: 0 0 13px; }
.tc6e-exam-note { padding: 16px 18px; background: #fff8e6; border-left: 4px solid var(--tc6e-accent); border-radius: 10px; }
.tc6e-exam-note p { margin: 0; }
.tc6e-question { padding: 16px 18px; margin: 14px 0; background: #fbfcfe; border: 1px solid #e3e9f1; border-radius: 12px; break-inside: avoid; }
.tc6e-question > p:last-child { margin-bottom: 0; }
.tc6e-written { border-left: 4px solid var(--tc6e-primary); }
.tc6e-options { list-style: none; padding: 0; margin: 10px 0 0; display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 8px 16px; }
.tc6e-options li { margin: 0; padding: 7px 10px; border-radius: 8px; background: #fff; border: 1px solid #edf0f4; }
.tc6e-answer-wrap { margin-top: 36px; padding: 24px; border: 2px solid #b7dfc8; border-radius: 16px; background: #f4fbf7; transition: opacity .2s ease; }
.tc6e-answer-wrap.tc6e-answer-hidden { display: none; }
.tc6e-answer-wrap h2 { color: var(--tc6e-green); border-bottom-color: #cfe9d9; margin-top: 0; }
.tc6e-solution { padding: 14px 0; border-bottom: 1px dashed #bad6c5; break-inside: avoid; }
.tc6e-solution:last-child { border-bottom: 0; }
.tc6e-solution p:last-child { margin-bottom: 0; }
.tc6e-related-topics ul { columns: 2; gap: 30px; }
.tc6e-related-topics li { margin-bottom: 8px; }
.tc6e-exam-footer { padding: 0 clamp(22px, 5vw, 48px) 42px; }
.tc6e-review-box { background: #eef4ff; border-radius: 14px; padding: 22px; }
.tc6e-review-box h2 { margin: 0 0 8px; font-size: 23px; }
.tc6e-review-box p { margin: 0 0 10px; color: var(--tc6e-muted); line-height: 1.6; }
.tc6e-review-box a { color: var(--tc6e-primary-dark); font-weight: 750; }
.tc6e-post-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 24px; border-top: 1px solid var(--tc6e-line); padding-top: 22px; }
.tc6e-post-nav div { display: grid; gap: 5px; }
.tc6e-post-nav span { color: var(--tc6e-muted); font-size: 12px; text-transform: uppercase; letter-spacing: .06em; }
.tc6e-post-nav a { color: var(--tc6e-primary-dark); font-weight: 750; text-decoration: none; }
.tc6e-next { text-align: right; }

@media (max-width: 900px) {
    .tc6e-exam-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
    .tc6e-guide-grid { grid-template-columns: 1fr; }
    .tc6e-info-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 620px) {
    .tc6e-main { padding-top: 18px; }
    .tc6e-container { width: min(100% - 20px, 1180px); }
    .tc6e-hero { border-radius: 17px; padding: 28px 20px; }
    .tc6e-exam-grid { grid-template-columns: 1fr; }
    .tc6e-group-heading { display: grid; }
    .tc6e-count { justify-self: start; }
    .tc6e-info-grid { grid-template-columns: 1fr 1fr; }
    .tc6e-options { grid-template-columns: 1fr; }
    .tc6e-related-topics ul { columns: 1; }
    .tc6e-post-nav { grid-template-columns: 1fr; }
    .tc6e-next { text-align: left; }
    .tc6e-content { font-size: 16px; }
}

@media print {
    @page { margin: 14mm; }
    body { background: #fff !important; }
    body * { visibility: hidden; }
    .tc6e-article, .tc6e-article * { visibility: visible; }
    .tc6e-article { position: absolute; left: 0; top: 0; width: 100%; box-shadow: none; border: 0; }
    .tc6e-main, .tc6e-exam-header, .tc6e-content { background: #fff !important; padding: 0 !important; }
    .tc6e-breadcrumb, .no-print, .tc6e-exam-note, .tc6e-related-topics, .tc6e-answer-wrap { display: none !important; }
    .tc6e-info-grid { grid-template-columns: repeat(4, 1fr); }
    .tc6e-question { background: #fff; border: 1px solid #bbb; }
    .tc6e-content h2 { color: #000; border-color: #aaa; }
}