/**
 * 澳洲AMC年份真题详情页 - AMT 官网风格
 * 极简扁平设计：黑白+橙色，无圆角无阴影无渐变
 */

/* 汉堡菜单按钮 - 桌面端隐藏 */
.navbar-toggle {
  display: none;
}

/* ========== Navbar Year Links ========== */
.navbar-cta {
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  flex-shrink: 0;
  gap: 8px;
  white-space: nowrap;
}

.navbar-brand {
  white-space: nowrap;
  flex-shrink: 0;
}

.navbar-year-links {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  justify-content: center;
}

.nav-year-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 4px 8px;
  font-size: 0.78rem;
  font-weight: 600;
  color: #64748B;
  text-decoration: none;
  border-radius: 0;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.nav-year-link:hover {
  color: #1E293B;
  background: #F1F5F9;
}

.nav-year-link.active {
  color: #fff;
  background: #F15A29;
  font-weight: 700;
}

.nav-year-link.active:hover {
  background: #D36A34;
}

@media (max-width: 900px) {
  .navbar-year-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    padding: 12px 16px;
    gap: 2px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    z-index: 999;
    flex: none;
    justify-content: flex-start;
    max-height: 70vh;
    overflow-y: auto;
  }
  .navbar.mobile-open .navbar-year-links {
    display: flex;
  }
  .navbar {
    position: relative;
  }
  .navbar-toggle {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    width: 36px;
    height: 36px;
    padding: 6px;
    background: transparent;
    border: 1.5px solid #E5E7EB;
    border-radius: 4px;
    cursor: pointer;
    flex-shrink: 0;
    transition: border-color 0.2s;
  }
  .navbar-toggle:hover {
    border-color: #F15A29;
  }
  .navbar-toggle .hamburger-bar {
    display: block;
    width: 18px;
    height: 2px;
    background: #1E293B;
    border-radius: 1px;
  }
}

/* ========== Year Hero ========== */
.year-hero {
  background: #1E293B;
  padding: 60px 0;
  color: #fff;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  min-height: auto;
}

.year-hero::before {
  display: none;
}

.year-hero .container {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  width: 100%;
}

.year-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: none;
  border: 1px solid rgba(255,255,255,0.2);
  color: #F15A29;
  padding: 6px 16px;
  border-radius: 0;
  font-size: 0.78rem;
  font-weight: 700;
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.year-hero-badge .dot {
  width: 6px;
  height: 6px;
  border-radius: 0;
  background: #F15A29;
}

.year-hero h1 {
  font-family: 'Open Sans', 'Noto Sans SC', sans-serif;
  font-size: 2.2rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 16px;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.year-hero h1 span { color: #F15A29; }

.year-hero-desc {
  font-size: 1rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.7;
  margin-bottom: 28px;
  text-align: center;
}

.year-hero-stats {
  display: flex;
  gap: 16px;
  flex-wrap: nowrap;
  margin-bottom: 32px;
  width: 100%;
}

.year-stat-pill {
  flex: 1 1 0;
  min-width: 0;
  padding: 10px 16px;
  background: none;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 0;
  text-align: center;
}

.year-stat-pill .val {
  font-family: 'Open Sans', 'Noto Sans SC', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: #F15A29;
  display: block;
}

.year-stat-pill .lbl {
  font-size: 0.7rem;
  color: rgba(255,255,255,0.4);
  margin-top: 2px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.year-hero-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 14px 36px;
  border-radius: 0;
  background: #F15A29;
  color: #fff;
  font-weight: 700;
  font-size: 0.9rem;
  border: none;
  cursor: pointer;
  transition: background 0.2s;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  text-align: center;
}

.year-hero-cta:hover {
  background: #D36A34;
  transform: none;
  box-shadow: none;
}

/* ========== Content Sections ========== */
.year-content { padding: 64px 0; background: #F9FAFB; overflow-x: hidden; }

.year-content .container { max-width: 1200px; width: 100%; }

.year-section-title {
  font-family: 'Open Sans', 'Noto Sans SC', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.year-section-title .icon {
  width: 36px;
  height: 36px;
  border-radius: 0;
  background: #F15A29;
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
  flex-shrink: 0;
}

.year-section-sub {
  color: var(--text-light);
  font-size: 0.92rem;
  margin-bottom: 28px;
  padding-left: 48px;
}

/* ========== Overview Card ========== */
.overview-card {
  background: #fff;
  border: none;
  border-left: 4px solid #F15A29;
  border-radius: 0;
  padding: 32px;
  margin-bottom: 40px;
}

.overview-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 12px;
}

.overview-card p:last-child { margin-bottom: 0; }

/* ========== Difficulty Meter ========== */
.difficulty-meter {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 40px;
  padding: 24px 28px;
  background: #fff;
  border: none;
  border-left: 4px solid #F15A29;
  border-radius: 0;
}

.difficulty-label {
  font-family: 'Open Sans', 'Noto Sans SC', sans-serif;
  font-weight: 700;
  color: var(--text-primary);
  font-size: 0.95rem;
  white-space: nowrap;
}

.difficulty-bar {
  flex: 1;
  height: 6px;
  background: #E5E5E5;
  border-radius: 0;
  overflow: hidden;
}

.difficulty-fill {
  height: 100%;
  border-radius: 0;
  background: #F15A29;
  transition: width 0.6s ease;
}

.difficulty-text {
  font-weight: 600;
  font-size: 0.88rem;
  white-space: nowrap;
}

.diff-easy { color: #10B981; }
.diff-medium { color: #F15A29; }
.diff-hard { color: #E11D48; }

/* ========== Topics Grid ========== */
.topics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 40px;
}

.topic-card {
  background: #fff;
  border: none;
  border-bottom: 2px solid var(--border);
  border-radius: 0;
  padding: 20px;
  transition: background 0.2s;
}

.topic-card:hover {
  border-color: var(--border);
  box-shadow: none;
  background: var(--bg-gray);
}

.topic-card .topic-icon {
  font-family: 'Open Sans', sans-serif;
  font-size: 1.1rem;
  font-weight: 800;
  color: #F15A29;
  margin-bottom: 8px;
  letter-spacing: 1px;
}

.topic-card h4 {
  font-family: 'Open Sans', 'Noto Sans SC', sans-serif;
  font-size: 0.95rem;
  color: var(--text-primary);
  margin-bottom: 6px;
  font-weight: 600;
}

.topic-card p {
  font-size: 0.82rem;
  color: var(--text-light);
  line-height: 1.6;
}

.topic-tag {
  display: inline-block;
  margin-top: 8px;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 0;
  background: #F1F1F1;
  color: #F15A29;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ========== Hard Problem ========== */
.hard-problem {
  background: #fff;
  border: none;
  border-left: 4px solid #F15A29;
  border-radius: 0;
  padding: 32px;
  margin-bottom: 40px;
}

.hard-problem h4 {
  font-family: 'Open Sans', 'Noto Sans SC', sans-serif;
  font-size: 1.05rem;
  color: var(--text-primary);
  margin-bottom: 12px;
  font-weight: 700;
}

.hard-problem .problem-text {
  background: #F1F1F1;
  border-radius: 0;
  padding: 16px 20px;
  font-size: 0.92rem;
  color: var(--text-primary);
  line-height: 1.8;
  margin-bottom: 16px;
  border: none;
}

.hard-problem .solution-title {
  font-weight: 700;
  color: #F15A29;
  font-size: 0.9rem;
  margin-bottom: 8px;
}

.hard-problem .solution-text {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

.hard-problem .solution-text strong {
  color: var(--text-primary);
}

/* ========== Key Insights ========== */
.insights-list {
  margin-bottom: 40px;
}

.insight-item {
  display: flex;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}

.insight-item:last-child { border-bottom: none; }

.insight-num {
  width: 28px;
  height: 28px;
  border-radius: 0;
  background: #F15A29;
  color: #fff;
  font-weight: 700;
  font-size: 0.82rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.insight-item h5 {
  font-size: 0.92rem;
  color: var(--text-primary);
  margin-bottom: 4px;
  font-weight: 600;
}

.insight-item p {
  font-size: 0.85rem;
  color: var(--text-light);
  line-height: 1.7;
}

/* ========== Grade Analysis A-E ========== */
.grades-grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}

.grade-card {
  background: #fff;
  border: none;
  border-radius: 0;
  overflow: hidden;
  transition: background 0.2s;
  border-bottom: 2px solid var(--border);
}

.grade-card:hover {
  border-color: #F15A29;
  box-shadow: none;
}

.grade-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background: #334155;
  border-bottom: 2px solid #F15A29;
}

.grade-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  height: 44px;
  padding: 0 10px;
  border-radius: 0;
  background: #F15A29;
  color: #fff;
  font-family: 'Open Sans', 'Noto Sans SC', sans-serif;
  font-weight: 800;
  font-size: 0.85rem;
  white-space: nowrap;
  flex-shrink: 0;
}

.grade-difficulty {
  font-size: 0.85rem;
  font-weight: 600;
  color: rgba(255,255,255,0.85);
}

.grade-difficulty.diff-easy { color: #6EE7B7; }
.grade-difficulty.diff-medium { color: #FCD34D; }
.grade-difficulty.diff-hard { color: #FCA5A5; }

.grade-card-body {
  padding: 20px;
}

.grade-card-body p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 8px;
}

.grade-card-body p:last-child { margin-bottom: 0; }

.grade-card-body strong {
  color: var(--text-primary);
  font-weight: 600;
}

@media (min-width: 640px) {
  .grades-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .grades-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ========== Conversion Section ========== */
.conversion-section {
  padding: 64px 0;
  background: #162032;
  overflow-x: hidden;
}

.conversion-section .container {
  max-width: 1200px;
  width: 100%;
}

.conversion-section .container img {
  max-width: 100%;
  height: auto;
}

.conversion-inner {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

.conversion-inner h2 {
  font-family: 'Open Sans', 'Noto Sans SC', sans-serif;
  font-size: 1.6rem;
  color: #fff;
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.conversion-inner .sub {
  color: rgba(255,255,255,0.5);
  font-size: 0.95rem;
  margin-bottom: 32px;
}

.conversion-cover {
  width: 100%;
  max-width: 480px;
  margin: 0 auto 28px;
  border-radius: 0;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.1);
  box-shadow: none;
}

.conversion-cover img {
  width: 100%;
  height: auto;
  display: block;
}

.conversion-qr {
  width: 160px;
  height: 160px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 0;
  margin: 24px auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.25);
  font-size: 0.82rem;
}

.conversion-note {
  color: rgba(255,255,255,0.35);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.conversion-guarantee {
  margin-top: 16px;
  display: inline-block;
  padding: 8px 20px;
  background: none;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 0;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.4);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ========== Year Navigation ========== */
.year-nav {
  padding: 48px 0;
  background: #1E293B;
  overflow-x: hidden;
}

.year-nav .container { max-width: 1200px; width: 100%; }

.year-nav-title {
  font-family: 'Open Sans', 'Noto Sans SC', sans-serif;
  text-align: center;
  font-size: 1.1rem;
  color: #fff;
  margin-bottom: 24px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.year-nav-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
}

.year-nav-link {
  display: inline-flex;
  align-items: center;
  padding: 8px 18px;
  border-radius: 0;
  background: none;
  border: 1px solid rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.7);
  font-size: 0.85rem;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.2s;
}

.year-nav-link:hover {
  background: none;
  border-color: #F15A29;
  color: #F15A29;
}

.year-nav-link.active {
  background: #F15A29;
  border-color: #F15A29;
  color: #fff;
  font-weight: 700;
}

.year-nav-prev-next {
  display: flex;
  justify-content: space-between;
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.year-nav-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  border-radius: 0;
  background: #F15A29;
  color: #fff;
  font-weight: 700;
  font-size: 0.9rem;
  text-decoration: none;
  transition: background 0.2s;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.year-nav-arrow:hover {
  background: #D36A34;
  transform: none;
  box-shadow: none;
}

/* ========== Inline CTA (Year Page) ========== */
.year-content .inline-cta {
  background: #F1F1F1;
  border: none;
  border-left: 4px solid #F15A29;
  border-radius: 0;
  padding: 32px 28px;
  text-align: center;
}

.year-content .inline-cta p {
  font-family: 'Open Sans', 'Noto Sans SC', sans-serif;
  color: var(--text-primary);
  font-weight: 600;
  margin-bottom: 16px;
}

.year-content .inline-cta .btn-primary {
  display: block;
  width: 100%;
  padding: 16px 32px;
  background: #F15A29;
  color: #fff;
  border-radius: 0;
  text-transform: uppercase;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.5px;
  border: none;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s;
}

.year-content .inline-cta .btn-primary:hover {
  background: #D36A34;
}

.year-content .btn-primary {
  background: #F15A29;
  color: #fff;
  border-radius: 0;
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.5px;
  border: none;
}

.year-content .btn-primary:hover {
  background: #D36A34;
}

/* ========== Responsive ========== */
@media (max-width: 768px) {
  .year-hero { min-height: auto; padding: 60px 0; }
  .year-hero h1 { font-size: 1.6rem; }
  .year-hero-stats { gap: 12px; }
  .year-stat-pill { padding: 8px 12px; }
  .year-stat-pill .val { font-size: 0.95rem; }
  .topics-grid { grid-template-columns: repeat(2, 1fr); }
  .year-section-sub { padding-left: 0; }
  .difficulty-meter { flex-direction: column; align-items: flex-start; gap: 12px; }
  .difficulty-bar { width: 100%; }
}

@media (max-width: 480px) {
  .year-hero { padding: 60px 0; }
  .year-hero h1 { font-size: 1.4rem; }
  .topics-grid { grid-template-columns: 1fr; }
  .overview-card, .hard-problem { padding: 20px; }
  .year-nav-links { gap: 6px; }
  .year-nav-link { padding: 6px 12px; font-size: 0.78rem; }
}

@media (max-width: 375px) {
  /* --- Navbar --- */
  .navbar-cta {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-wrap: nowrap;
  }
  .navbar-cta .nav-contact-link { padding: 4px 6px; font-size: 0.68rem; }
  .navbar-cta .btn-primary { padding: 6px 8px; font-size: 0.68rem; }
  .navbar-brand { font-size: 0.85rem; }

  /* --- Container --- */
  .year-hero .container,
  .year-content .container,
  .year-nav .container,
  .conversion-section .container { max-width: 100%; }

  /* --- Year Hero --- */
  .year-hero { padding: 40px 0; }
  .year-hero h1 { font-size: 1.2rem; letter-spacing: 0; }
  .year-hero-desc { font-size: 0.85rem; }
  .year-hero-badge { font-size: 0.72rem; padding: 4px 10px; gap: 6px; }
  .year-hero-stats { flex-wrap: wrap; gap: 8px; }
  .year-stat-pill { flex: 1 1 calc(50% - 4px); padding: 8px 10px; }
  .year-stat-pill .val { font-size: 0.9rem; }
  .year-stat-pill .lbl { font-size: 0.65rem; }
  .year-hero-cta { font-size: 0.82rem; padding: 12px 16px; width: 100%; }

  /* --- Content Sections --- */
  .year-content { padding: 40px 0; }
  .year-section-title { font-size: 1.05rem; gap: 8px; }
  .year-section-title .icon { width: 28px; height: 28px; font-size: 0.75rem; }

  /* --- Overview Card --- */
  .overview-card { padding: 14px; margin-bottom: 28px; }
  .overview-card p { font-size: 0.88rem; line-height: 1.6; }

  /* --- Difficulty Meter --- */
  .difficulty-meter { padding: 14px; gap: 10px; margin-bottom: 28px; }
  .difficulty-label { font-size: 0.82rem; white-space: normal; }
  .difficulty-text { font-size: 0.78rem; white-space: normal; }
  .difficulty-bar { width: 100%; }

  /* --- Topics Grid --- */
  .topic-card { padding: 14px; }
  .topic-card h4 { font-size: 0.88rem; }
  .topic-card p { font-size: 0.78rem; }

  /* --- Hard Problem --- */
  .hard-problem { padding: 14px; margin-bottom: 28px; }
  .hard-problem h4 { font-size: 0.95rem; }
  .hard-problem .problem-text { padding: 12px 14px; font-size: 0.85rem; }
  .hard-problem .solution-text { font-size: 0.82rem; }

  /* --- Insights --- */
  .insight-item { padding: 12px 0; gap: 10px; }
  .insight-num { width: 24px; height: 24px; font-size: 0.75rem; }
  .insight-item h5 { font-size: 0.85rem; }
  .insight-item p { font-size: 0.8rem; }

  /* --- Inline CTA --- */
  .year-content .inline-cta { padding: 20px 14px; }
  .year-content .inline-cta p { font-size: 0.88rem; }
  .year-content .inline-cta .btn-primary { padding: 12px 20px; font-size: 0.9rem; }

  /* --- Grade Cards --- */
  .grades-grid { gap: 12px; }
  .grade-card-header { padding: 12px 14px; gap: 8px; }
  .grade-badge { min-width: 36px; height: 36px; font-size: 0.78rem; padding: 0 8px; }
  .grade-difficulty { font-size: 0.78rem; }
  .grade-card-body { padding: 14px; }
  .grade-card-body p { font-size: 0.82rem; }

  /* --- Conversion Section --- */
  .conversion-section { padding: 40px 0; }
  .conversion-inner h2 { font-size: 1.2rem; letter-spacing: 0; }
  .conversion-inner .sub { font-size: 0.85rem; margin-bottom: 24px; }
  .conversion-cover { max-width: 100%; }
  .conversion-cover img { width: 100%; }
  .conversion-qr { width: 120px; height: 120px; }
  .conversion-qr img {
    width: 100%;
    height: 100%;
    object-fit: contain;
  }
  .conversion-guarantee { font-size: 0.72rem; padding: 6px 14px; }

  /* --- Year Navigation --- */
  .year-nav { padding: 36px 0; }
  .year-nav-title { font-size: 0.95rem; }
  .year-nav-links { gap: 4px; }
  .year-nav-link { padding: 4px 8px; font-size: 0.72rem; }
  .year-nav-arrow { padding: 8px 14px; font-size: 0.82rem; }

  /* --- Footer --- */
  .footer-links {
    columns: unset;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px 6px;
  }
  .footer-links li { margin-bottom: 0; }
  .footer-links a {
    font-size: 0.68rem;
    line-height: 1.35;
    text-align: center;
    display: block;
  }
  .footer-contact-label { white-space: normal; }
  .footer-bottom { margin-top: 24px; }
}


/* ========== Year Prep Guide (备考指南) ========== */
.prep-intro {
  font-size: 0.92rem;
  color: var(--text-light);
  line-height: 1.8;
  margin: 0 0 20px;
}
.prep-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-bottom: 28px;
}
.prep-card {
  background: var(--bg-gray);
  border-left: 3px solid #F15A29;
  padding: 16px 18px;
}
.prep-card-tag {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  color: #F15A29;
  background: #fff;
  border: 1px solid #F6C9B5;
  padding: 2px 9px;
  margin-bottom: 9px;
  letter-spacing: 0.3px;
}
.prep-card-name {
  font-family: 'Open Sans', 'Noto Sans SC', sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 6px;
}
.prep-card-text {
  font-size: 0.85rem;
  color: var(--text-light);
  line-height: 1.7;
  margin: 0;
}
.prep-callout {
  display: flex;
  gap: 10px;
  background: #FFF5F0;
  border-left: 3px solid #F15A29;
  padding: 15px 18px;
  font-size: 0.9rem;
  color: var(--text-primary);
  line-height: 1.75;
}
.prep-callout::before {
  content: "\2605";
  color: #F15A29;
  flex-shrink: 0;
  line-height: 1.75;
}
@media (max-width: 768px) {
  .prep-grid { grid-template-columns: 1fr; gap: 10px; }
  .prep-card { padding: 14px; }
  .prep-card-name { font-size: 0.9rem; }
  .prep-card-text { font-size: 0.82rem; }
  .prep-intro { font-size: 0.88rem; }
  .prep-callout { font-size: 0.85rem; padding: 13px 14px; }
}


/* ========== Unified rounded-card style (match homepage) ========== */
/* NOTE: the flat year theme zeroes --radius-*; use explicit px + !important to round. */
.overview-card, .hard-problem, .difficulty-meter {
  border-radius: 12px !important;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.05) !important;
}
.topic-card {
  border: 1px solid var(--border) !important;
  border-radius: 12px !important;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.05) !important;
  transition: transform .2s ease;
}
.topic-card:hover {
  background: #fff !important;
  box-shadow: 0 6px 18px rgba(0,0,0,0.10) !important;
  transform: translateY(-2px);
}
.prep-card {
  background: #fff !important;
  border: 1px solid var(--border) !important;
  border-left: 3px solid #F15A29 !important;
  border-radius: 12px !important;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.05) !important;
}
.prep-callout, .inline-cta { border-radius: 12px !important; }
.prep-card-tag, .year-nav-link { border-radius: 6px !important; }
.insight-num { border-radius: 8px !important; }
.year-hero-badge { border-radius: 6px !important; }
.year-stat-pill { border-radius: 10px !important; }
.year-hero-cta { border-radius: 12px !important; }