/* ============================================================
   陕西省药学会培训平台 · 主样式表
   Design: AI-Medical · Navy + Cyan + White
   ============================================================ */

:root {
  --primary:       #0d1f3c;
  --primary-mid:   #1a3a5c;
  --secondary:     #0077b6;
  --accent:        #00b4d8;
  --accent-2:      #06d6a0;
  --warning:       #f4a261;
  --danger:        #e63946;
  --text-primary:  #1e2d3d;
  --text-secondary:#4a5568;
  --text-muted:    #90a4b7;
  --bg-light:      #f0f6fc;
  --bg-white:      #ffffff;
  --border:        #dde6f0;
  --shadow-sm:     0 2px 8px rgba(0,119,182,.08);
  --shadow-md:     0 6px 24px rgba(13,31,60,.12);
  --shadow-lg:     0 16px 48px rgba(13,31,60,.18);
  --r-sm:4px; --r-md:8px; --r-lg:16px; --r-xl:24px; --r-full:999px;
  --transition:    .25s cubic-bezier(.4,0,.2,1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC',
               'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
  color: var(--text-primary);
  background: var(--bg-light);
  line-height: 1.6;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
ul { list-style: none; }
button { cursor: pointer; border: none; outline: none; font-family: inherit; }

/* ── Utilities ── */
.container { max-width: 1240px; margin: 0 auto; padding: 0 24px; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }
.section { padding: 64px 0; }
.section-sm { padding: 40px 0; }
.sr-only { position:absolute; width:1px; height:1px; overflow:hidden; clip:rect(0,0,0,0); }

.tag {
  display: inline-block; padding: 2px 10px; border-radius: var(--r-full);
  font-size: .72rem; font-weight: 600; letter-spacing: .04em;
}
.tag-blue   { background:#e0f2fe; color:#0369a1; }
.tag-teal   { background:#ccfbf1; color:#0f766e; }
.tag-orange { background:#fff7ed; color:#c2410c; }
.tag-purple { background:#f3e8ff; color:#7c3aed; }
.tag-green  { background:#dcfce7; color:#15803d; }
.tag-gray   { background:#f1f5f9; color:#475569; }
.tag-red    { background:#fef2f2; color:#dc2626; }

.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 22px; border-radius: var(--r-md); font-size: .9rem; font-weight: 600;
  transition: var(--transition);
}
.btn-primary {
  background: linear-gradient(135deg, var(--secondary), var(--accent));
  color: #fff; box-shadow: 0 4px 14px rgba(0,119,182,.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 22px rgba(0,119,182,.45); }
.btn-outline {
  border: 2px solid var(--accent); color: var(--accent); background: transparent;
}
.btn-outline:hover { background: var(--accent); color: #fff; }
.btn-white {
  background: #fff; color: var(--secondary); box-shadow: var(--shadow-md);
}
.btn-white:hover { background: var(--bg-light); }
.btn-sm { padding: 6px 16px; font-size: .82rem; }
.btn-lg { padding: 14px 32px; font-size: 1rem; }

.section-header {
  display: flex; align-items: flex-end; justify-content: space-between;
  margin-bottom: 36px; padding-bottom: 16px;
  border-bottom: 2px solid var(--border);
}
.section-title {
  font-size: 1.55rem; font-weight: 700; color: var(--primary);
  position: relative; padding-left: 16px;
}
.section-title::before {
  content: ''; position: absolute; left: 0; top: 50%; transform: translateY(-50%);
  width: 5px; height: 24px; background: linear-gradient(180deg,var(--accent),var(--secondary));
  border-radius: var(--r-full);
}
.section-title span { color: var(--accent); }
.view-all {
  font-size: .85rem; color: var(--secondary); font-weight: 600;
  display: flex; align-items: center; gap: 4px; transition: var(--transition);
}
.view-all:hover { color: var(--accent); gap: 8px; }

/* ── Top Bar ── */
.topbar {
  background: var(--primary);
  color: rgba(255,255,255,.7);
  font-size: .78rem;
  padding: 7px 0;
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.topbar a { color: rgba(255,255,255,.7); transition: var(--transition); }
.topbar a:hover { color: #fff; }
.topbar-left { display: flex; align-items: center; gap: 20px; }
.topbar-right { display: flex; align-items: center; gap: 16px; }
.topbar-sep { color: rgba(255,255,255,.2); }

/* ── Header ── */
.site-header {
  background: #fff;
  box-shadow: 0 2px 12px rgba(13,31,60,.08);
  position: sticky; top: 0; z-index: 1000;
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 0;
}
.site-logo { display: flex; align-items: center; gap: 14px; }
.site-logo img { height: 52px; width: auto; }
.logo-text { line-height: 1.3; }
.logo-text .name-cn {
  font-size: 1.22rem; font-weight: 800; color: var(--primary);
  letter-spacing: .04em;
}
.logo-text .name-sub {
  font-size: .72rem; color: var(--text-muted); letter-spacing: .12em; text-transform: uppercase;
}
.logo-text .name-platform {
  font-size: .85rem; font-weight: 600; color: var(--secondary);
}

/* Search bar */
.header-search {
  display: flex; align-items: center;
  background: var(--bg-light); border: 1.5px solid var(--border);
  border-radius: var(--r-full); overflow: hidden;
  transition: var(--transition);
}
.header-search:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0,180,216,.12);
}
.header-search input {
  border: none; background: transparent; padding: 9px 16px;
  font-size: .9rem; width: 280px; color: var(--text-primary); outline: none;
}
.header-search button {
  background: linear-gradient(135deg,var(--secondary),var(--accent));
  color: #fff; padding: 9px 18px; font-size: .88rem; font-weight: 600;
  transition: var(--transition);
}
.header-search button:hover { opacity: .88; }

.header-actions { display: flex; align-items: center; gap: 10px; }
.btn-login {
  background: transparent; border: 1.5px solid var(--secondary);
  color: var(--secondary); padding: 8px 20px; border-radius: var(--r-md);
  font-size: .88rem; font-weight: 600; transition: var(--transition);
}
.btn-login:hover { background: var(--secondary); color: #fff; }
.btn-register {
  background: linear-gradient(135deg,var(--secondary),var(--accent));
  color: #fff; padding: 8px 20px; border-radius: var(--r-md);
  font-size: .88rem; font-weight: 600; transition: var(--transition);
  box-shadow: 0 3px 10px rgba(0,119,182,.3);
}
.btn-register:hover { transform: translateY(-1px); box-shadow: 0 6px 18px rgba(0,119,182,.4); }
.btn-guest {
  background: transparent; color: var(--text-secondary);
  font-size: .82rem; padding: 8px 12px; border-radius: var(--r-md);
  transition: var(--transition);
}
.btn-guest:hover { color: var(--secondary); background: var(--bg-light); }

/* ── Navigation ── */
.navbar {
  background: var(--primary);
  position: relative;
}
.nav-list { display: flex; }
.nav-item { position: relative; }
.nav-link {
  display: flex; align-items: center; gap: 4px;
  padding: 14px 18px; color: rgba(255,255,255,.85);
  font-size: .9rem; font-weight: 500; transition: var(--transition);
  white-space: nowrap;
}
.nav-link:hover, .nav-item.active .nav-link {
  color: #fff; background: rgba(0,180,216,.15);
}
.nav-item.active > .nav-link { border-bottom: 2px solid var(--accent); }
.nav-link .arrow { font-size: .7rem; transition: var(--transition); }
.nav-item:hover .arrow { transform: rotate(180deg); }

.dropdown {
  position: absolute; top: 100%; left: 0; min-width: 180px;
  background: #fff; border-radius: 0 0 var(--r-md) var(--r-md);
  box-shadow: var(--shadow-lg); border-top: 2px solid var(--accent);
  opacity: 0; visibility: hidden; transform: translateY(-8px);
  transition: var(--transition); z-index: 999;
}
.nav-item:hover .dropdown {
  opacity: 1; visibility: visible; transform: translateY(0);
}
.dropdown a {
  display: block; padding: 10px 18px; color: var(--text-secondary);
  font-size: .88rem; transition: var(--transition);
  border-bottom: 1px solid var(--border);
}
.dropdown a:last-child { border-bottom: none; }
.dropdown a:hover { color: var(--secondary); background: var(--bg-light); padding-left: 24px; }

/* ── Hero Carousel ── */
.hero { position: relative; height: 520px; overflow: hidden; }
.carousel-track { display: flex; height: 100%; transition: transform .6s cubic-bezier(.4,0,.2,1); }
.carousel-slide {
  flex-shrink: 0; width: 100%; height: 100%;
  position: relative; overflow: hidden;
}
.slide-bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
}
.slide-bg::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(110deg,rgba(13,31,60,.85) 0%,rgba(0,119,182,.6) 55%,transparent 100%);
}
.slide-1 .slide-bg { background: linear-gradient(135deg,#0d1f3c 0%,#1a3a5c 40%,#0077b6 100%); }
.slide-2 .slide-bg { background: linear-gradient(135deg,#0d2c2c 0%,#0f4c5c 40%,#00b4d8 100%); }
.slide-3 .slide-bg { background: linear-gradient(135deg,#1a1a3e 0%,#2d1b6b 40%,#7c3aed 100%); }

/* DNA/molecule decorative */
.slide-deco {
  position: absolute; right: 8%; top: 50%; transform: translateY(-50%);
  opacity: .15; pointer-events: none;
}
.slide-deco svg { width: 340px; height: 340px; }

.slide-content {
  position: relative; z-index: 2; height: 100%;
  display: flex; flex-direction: column; justify-content: center;
  max-width: 1240px !important; margin: 0 auto !important; padding: 0 380px 0 48px;
  width: 100%;
}
.slide-tag {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(0,180,216,.2); border: 1px solid rgba(0,180,216,.4);
  color: var(--accent); padding: 5px 14px; border-radius: var(--r-full);
  font-size: .8rem; font-weight: 600; letter-spacing: .08em;
  margin-bottom: 18px; backdrop-filter: blur(8px); width: fit-content;
}
.slide-title {
  font-size: 2.8rem; font-weight: 800; color: #fff; line-height: 1.25;
  margin-bottom: 14px; text-shadow: 0 2px 12px rgba(0,0,0,.3);
}
.slide-title em { font-style: normal; color: var(--accent); }
.slide-desc {
  font-size: 1.05rem; color: rgba(255,255,255,.75); margin-bottom: 28px;
  max-width: 560px; line-height: 1.8;
}
.slide-actions { display: flex; gap: 14px; }

.carousel-controls {
  position: absolute; bottom: 28px; left: 50%; transform: translateX(-50%);
  display: flex; align-items: center; gap: 10px; z-index: 10;
}
.carousel-dot {
  width: 8px; height: 8px; border-radius: var(--r-full);
  background: rgba(255,255,255,.4); cursor: pointer; transition: var(--transition);
}
.carousel-dot.active { background: #fff; width: 24px; }
.carousel-prev, .carousel-next {
  position: absolute; top: 50%; z-index: 10;
  width: 44px; height: 44px; border-radius: 50%;
  background: rgba(255,255,255,.15); backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.2); color: #fff;
  font-size: 1.1rem; display: flex; align-items: center; justify-content: center;
  transition: var(--transition); transform: translateY(-50%);
}
.carousel-prev { left: 24px; }
.carousel-next { right: 24px; }
.carousel-prev:hover, .carousel-next:hover { background: rgba(255,255,255,.28); }

/* ── Stats Bar ── */
.stats-bar {
  background: #fff;
  box-shadow: var(--shadow-md);
  padding: 0;
  border-top: 3px solid var(--accent);
}
.stats-grid {
  display: grid; grid-template-columns: repeat(4,1fr);
}
.stat-item {
  display: flex; align-items: center; gap: 16px;
  padding: 26px 28px; border-right: 1px solid var(--border);
  transition: var(--transition);
}
.stat-item:last-child { border-right: none; }
.stat-item:hover { background: var(--bg-light); }
.stat-icon {
  width: 52px; height: 52px; border-radius: var(--r-lg);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; flex-shrink: 0;
}
.stat-icon.blue   { background: #e0f2fe; }
.stat-icon.teal   { background: #ccfbf1; }
.stat-icon.orange { background: #fff7ed; }
.stat-icon.purple { background: #f3e8ff; }
.stat-label { font-size: .8rem; color: var(--text-muted); margin-bottom: 2px; }
.stat-number { font-size: 1.7rem; font-weight: 800; color: var(--primary); }
.stat-unit   { font-size: .8rem; color: var(--text-secondary); margin-left: 3px; }

/* ── Training Sessions ── */
.training-section { background: var(--bg-light); }
.filter-bar {
  background: #fff; border-radius: var(--r-lg);
  padding: 18px 22px; margin-bottom: 28px;
  box-shadow: var(--shadow-sm); display: flex; flex-wrap: wrap; gap: 12px;
  align-items: center;
}
.filter-group { display: flex; align-items: center; gap: 8px; }
.filter-label { font-size: .82rem; color: var(--text-muted); white-space: nowrap; }
.filter-select {
  border: 1.5px solid var(--border); border-radius: var(--r-md);
  padding: 7px 12px; font-size: .85rem; color: var(--text-secondary);
  background: #fff; cursor: pointer; outline: none; transition: var(--transition);
  font-family: inherit;
}
.filter-select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(0,180,216,.1); }
.filter-tabs { display: flex; gap: 6px; flex-wrap: wrap; }
.filter-tab {
  padding: 6px 14px; border-radius: var(--r-full);
  font-size: .82rem; font-weight: 600; cursor: pointer; transition: var(--transition);
  background: var(--bg-light); color: var(--text-secondary); border: 1.5px solid transparent;
}
.filter-tab.active, .filter-tab:hover {
  background: linear-gradient(135deg,var(--secondary),var(--accent));
  color: #fff; box-shadow: 0 3px 10px rgba(0,119,182,.3);
}
.filter-search {
  display: flex; align-items: center;
  border: 1.5px solid var(--border); border-radius: var(--r-md);
  overflow: hidden; margin-left: auto;
}
.filter-search input {
  border: none; padding: 7px 14px; font-size: .85rem;
  width: 200px; outline: none; background: transparent; font-family: inherit;
}
.filter-search button {
  background: var(--secondary); color: #fff; padding: 7px 14px; font-size: .85rem;
}

.training-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.training-card {
  background: #fff; border-radius: var(--r-lg); overflow: hidden;
  box-shadow: var(--shadow-sm); transition: var(--transition);
  border: 1.5px solid transparent;
  display: flex; flex-direction: column;
}
.training-card:hover {
  transform: translateY(-4px); box-shadow: var(--shadow-lg);
  border-color: rgba(0,180,216,.2);
}
.card-img {
  height: 160px; position: relative; overflow: hidden;
  background: linear-gradient(135deg,#e0f2fe,#bae6fd);
}
.card-img img { width: 100%; height: 100%; object-fit: cover; }
.card-img-placeholder {
  width: 100%; height: 100%; display: flex; align-items: center; justify-content: center;
  font-size: 3rem; opacity: .4;
}
.card-status {
  position: absolute; top: 12px; right: 12px;
}
.status-badge {
  padding: 4px 10px; border-radius: var(--r-full); font-size: .72rem; font-weight: 700;
}
.status-open     { background:#22c55e; color:#fff; }
.status-upcoming { background:#f59e0b; color:#fff; }
.status-closed   { background:#94a3b8; color:#fff; }
.status-ended    { background:#ef4444; color:#fff; }

.card-body { padding: 16px 18px; flex: 1; display: flex; flex-direction: column; }
.card-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 10px; }
.card-title {
  font-size: 1rem; font-weight: 700; color: var(--primary);
  margin-bottom: 10px; line-height: 1.5;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.card-meta { display: flex; flex-direction: column; gap: 5px; margin-bottom: 14px; }
.card-meta-item {
  display: flex; align-items: center; gap: 6px;
  font-size: .8rem; color: var(--text-muted);
}
.card-meta-item .icon { font-size: .9rem; }
.card-footer {
  margin-top: auto; padding-top: 12px; border-top: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
}
.card-seats { font-size: .8rem; color: var(--text-muted); }
.card-seats strong { color: var(--danger); }

/* ── News & Notices ── */
.news-section { background: #fff; }
.news-layout { display: grid; grid-template-columns: 1fr 1.1fr; gap: 40px; }
.news-panel {}
.panel-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 18px; padding-bottom: 12px; border-bottom: 2px solid var(--accent);
}
.panel-title {
  font-size: 1.1rem; font-weight: 700; color: var(--primary);
  display: flex; align-items: center; gap: 8px;
}
.panel-icon { font-size: 1.2rem; }
.notice-list { display: flex; flex-direction: column; gap: 0; }
.notice-item {
  display: flex; align-items: flex-start; gap: 14px;
  padding: 12px 0; border-bottom: 1px dashed var(--border);
  transition: var(--transition); cursor: pointer;
}
.notice-item:hover .notice-title { color: var(--secondary); }
.notice-date {
  flex-shrink: 0; width: 48px; text-align: center;
  background: var(--bg-light); border-radius: var(--r-md);
  padding: 6px; border-top: 2px solid var(--accent);
}
.notice-date .day { font-size: 1.3rem; font-weight: 800; color: var(--primary); line-height: 1; }
.notice-date .month { font-size: .7rem; color: var(--text-muted); }
.notice-info { flex: 1; min-width: 0; }
.notice-title {
  font-size: .9rem; color: var(--text-primary); font-weight: 500;
  line-height: 1.5; margin-bottom: 4px; transition: var(--transition);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.notice-meta { font-size: .75rem; color: var(--text-muted); }
.notice-new {
  flex-shrink: 0; background: var(--danger); color: #fff;
  font-size: .65rem; font-weight: 700; padding: 1px 5px; border-radius: 3px;
}

/* News with image */
.news-list { display: flex; flex-direction: column; gap: 16px; }
.news-item {
  display: flex; gap: 14px; padding: 14px 0; border-bottom: 1px dashed var(--border);
  cursor: pointer; transition: var(--transition);
}
.news-item:hover .news-title { color: var(--secondary); }
.news-thumb {
  width: 100px; height: 70px; border-radius: var(--r-md); overflow: hidden;
  flex-shrink: 0; background: linear-gradient(135deg,#e0f2fe,#bae6fd);
  display: flex; align-items: center; justify-content: center; font-size: 1.6rem;
}
.news-thumb img { width: 100%; height: 100%; object-fit: cover; }
.news-body { flex: 1; min-width: 0; }
.news-title {
  font-size: .9rem; font-weight: 600; color: var(--text-primary); line-height: 1.5;
  margin-bottom: 6px; transition: var(--transition);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.news-summary {
  font-size: .78rem; color: var(--text-muted); line-height: 1.5;
  display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden;
}
.news-date { font-size: .75rem; color: var(--text-muted); margin-top: 4px; }

/* ── Courses ── */
.courses-section {
  background: linear-gradient(180deg, #e8f4fd 0%, #f0f6fc 100%);
}
.courses-scroll-wrap { overflow: hidden; }
.courses-scroll {
  display: flex; gap: 20px; overflow-x: auto; padding-bottom: 12px;
  scrollbar-width: thin; scrollbar-color: var(--accent) transparent;
}

/* ── Courses carousel ── */
.courses-carousel { position: relative; }
.courses-viewport { overflow: hidden; border-radius: var(--r-lg); }
.courses-track {
  display: flex; gap: 20px;
  transition: transform .45s cubic-bezier(.4,0,.2,1);
  will-change: transform;
}
.courses-track .course-card { flex-shrink: 0; }
.courses-carousel-btn {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 42px; height: 42px; border-radius: 50%; z-index: 5;
  background: #fff; box-shadow: var(--shadow-md);
  border: 1.5px solid var(--border); color: var(--secondary);
  font-size: 1.1rem; display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
}
.courses-carousel-btn:hover { background: var(--secondary); color: #fff; border-color: var(--secondary); }
.courses-carousel-btn:disabled { opacity: .35; pointer-events: none; }
.courses-carousel-prev { left: -21px; }
.courses-carousel-next { right: -21px; }
.courses-dots { display: flex; justify-content: center; gap: 8px; margin-top: 20px; }
.courses-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--border); cursor: pointer; transition: var(--transition);
}
.courses-dot.active { background: var(--secondary); width: 20px; border-radius: 4px; }
.course-card {
  flex-shrink: 0; width: 240px; background: #fff; border-radius: var(--r-lg);
  overflow: hidden; box-shadow: var(--shadow-sm); transition: var(--transition);
}
.course-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.course-thumb {
  height: 140px; background: linear-gradient(135deg,#dbeafe,#bfdbfe);
  display: flex; align-items: center; justify-content: center; font-size: 2.5rem;
  position: relative; overflow: hidden;
}
.course-thumb img { width: 100%; height: 100%; object-fit: cover; }
.course-body { padding: 14px; }
.course-title {
  font-size: .9rem; font-weight: 700; color: var(--primary); margin-bottom: 8px;
  line-height: 1.45; height: 2.9em; overflow: hidden;
}
.course-instructor { font-size: .78rem; color: var(--text-muted); margin-bottom: 8px; }
.course-instructor span { color: var(--secondary); font-weight: 600; }
.course-footer {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 10px; border-top: 1px solid var(--border);
}
.course-duration { font-size: .75rem; color: var(--text-muted); }
.course-btn {
  font-size: .78rem; color: var(--secondary); font-weight: 600;
  padding: 4px 10px; border-radius: var(--r-md);
  border: 1px solid var(--accent); transition: var(--transition);
}
.course-btn:hover { background: var(--accent); color: #fff; }

/* ── Meetings ── */
.meetings-section {
  background: linear-gradient(135deg,#0d1f3c 0%,#1a3a5c 60%,#0077b6 100%);
  position: relative; overflow: hidden;
}
.meetings-section::before {
  content: ''; position: absolute; inset: 0;
  background-image: radial-gradient(circle at 20% 50%, rgba(0,180,216,.12) 0%, transparent 50%),
                    radial-gradient(circle at 80% 20%, rgba(0,180,216,.08) 0%, transparent 40%);
}
.meetings-section .section-title { color: #fff; }
.meetings-section .section-title::before {
  background: linear-gradient(180deg,var(--accent),rgba(255,255,255,.5));
}
.meetings-section .view-all { color: rgba(255,255,255,.7); }
.meetings-section .view-all:hover { color: #fff; }

.meeting-featured {
  background: rgba(255,255,255,.06); backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,.12); border-radius: var(--r-xl);
  overflow: hidden; margin-bottom: 32px; display: grid;
  grid-template-columns: 1fr 1.4fr;
}
.meeting-featured-img {
  background: linear-gradient(135deg,rgba(0,180,216,.3),rgba(0,119,182,.3));
  display: flex; align-items: center; justify-content: center; min-height: 280px;
  position: relative; overflow: hidden;
}
.meeting-featured-img .meet-icon {
  font-size: 5rem; opacity: .4;
}
.meeting-badge {
  position: absolute; top: 16px; left: 16px;
  background: rgba(0,180,216,.9); color: #fff;
  padding: 6px 14px; border-radius: var(--r-full); font-size: .78rem; font-weight: 700;
}
.meeting-featured-info { padding: 32px; color: #fff; }
.meeting-type-tag {
  display: inline-flex; background: rgba(0,180,216,.2); color: var(--accent);
  padding: 4px 12px; border-radius: var(--r-full); font-size: .78rem; font-weight: 600;
  margin-bottom: 12px;
}
.meeting-title { font-size: 1.4rem; font-weight: 800; margin-bottom: 16px; line-height: 1.4; }
.meeting-details { display: flex; flex-direction: column; gap: 10px; margin-bottom: 20px; }
.meeting-detail-item {
  display: flex; align-items: center; gap: 8px;
  font-size: .85rem; color: rgba(255,255,255,.75);
}
.meeting-detail-item .di-icon { font-size: 1rem; color: var(--accent); flex-shrink: 0; }
.meeting-actions { display: flex; gap: 12px; }

.meetings-list { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.meeting-card {
  background: rgba(255,255,255,.06); backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.1); border-radius: var(--r-lg);
  padding: 20px; color: #fff; transition: var(--transition); cursor: pointer;
}
.meeting-card:hover {
  background: rgba(255,255,255,.12); border-color: rgba(0,180,216,.3);
  transform: translateY(-2px);
}
.meeting-card-date {
  font-size: .78rem; color: var(--accent); font-weight: 600; margin-bottom: 8px;
}
.meeting-card-title {
  font-size: .95rem; font-weight: 700; margin-bottom: 10px; line-height: 1.45;
}
.meeting-card-meta { font-size: .78rem; color: rgba(255,255,255,.55); display: flex; gap: 12px; }

/* ── Teachers ── */
.teachers-section { background: var(--bg-light); }
.teachers-grid { display: grid; grid-template-columns: repeat(5,1fr); gap: 22px; }
.teacher-card {
  background: #fff; border-radius: var(--r-xl); padding: 24px 16px;
  text-align: center; box-shadow: var(--shadow-sm); transition: var(--transition);
  cursor: pointer;
}
.teacher-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.teacher-avatar {
  width: 88px; height: 88px; border-radius: 50%; margin: 0 auto 14px;
  background: linear-gradient(135deg,#e0f2fe,#0077b6);
  display: flex; align-items: center; justify-content: center;
  font-size: 2rem; color: #fff; overflow: hidden;
  border: 3px solid #fff; box-shadow: 0 4px 14px rgba(0,119,182,.25);
}
.teacher-avatar img { width: 100%; height: 100%; object-fit: cover; }
.teacher-name { font-size: 1rem; font-weight: 700; color: var(--primary); margin-bottom: 4px; }
.teacher-title { font-size: .78rem; color: var(--text-muted); margin-bottom: 8px; }
.teacher-specialty {
  font-size: .78rem; background: var(--bg-light); color: var(--secondary);
  padding: 4px 10px; border-radius: var(--r-full); display: inline-block;
}

/* ── Continuing Education ── */
.cedu-section {
  background: linear-gradient(135deg,#ecfdf5 0%,#d1fae5 40%,#a7f3d0 100%);
}
.cedu-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.cedu-content {}
.cedu-title { font-size: 2rem; font-weight: 800; color: var(--primary); margin-bottom: 16px; }
.cedu-title span { color: #059669; }
.cedu-desc { font-size: .95rem; color: var(--text-secondary); line-height: 1.8; margin-bottom: 24px; }
.cedu-features { display: flex; flex-direction: column; gap: 12px; margin-bottom: 28px; }
.cedu-feature {
  display: flex; align-items: center; gap: 10px; font-size: .9rem; color: var(--text-secondary);
}
.cedu-feature .check { color: #059669; font-size: 1.1rem; }
.cedu-visual {
  background: rgba(255,255,255,.6); backdrop-filter: blur(8px);
  border-radius: var(--r-xl); padding: 28px; text-align: center;
  box-shadow: var(--shadow-md);
}
.cedu-visual .big-icon { font-size: 4rem; margin-bottom: 12px; }
.cedu-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 20px; }
.cedu-stat { background: #fff; border-radius: var(--r-lg); padding: 14px; text-align: center; }
.cedu-stat .num { font-size: 1.5rem; font-weight: 800; color: #059669; }
.cedu-stat .lbl { font-size: .75rem; color: var(--text-muted); }

/* ── Friendly Links ── */
.links-section { background: #fff; padding: 48px 0; }
.links-grid { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 24px; }
.link-item {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 18px; border-radius: var(--r-md);
  border: 1.5px solid var(--border); background: #fff;
  font-size: .85rem; color: var(--text-secondary); transition: var(--transition);
  cursor: pointer;
}
.link-item:hover {
  border-color: var(--accent); color: var(--secondary);
  box-shadow: 0 4px 12px rgba(0,119,182,.12); transform: translateY(-2px);
}
.link-item .link-icon { font-size: 1rem; }

/* ── Footer ── */
.site-footer {
  background: var(--primary);
  color: rgba(255,255,255,.7);
}
.footer-main {
  display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 40px; padding: 56px 0 44px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer-brand {}
.footer-logo {
  display: flex; align-items: center; gap: 12px; margin-bottom: 18px;
}
.footer-logo img { height: 44px; filter: brightness(0) invert(1); opacity: .9; }
.footer-logo-text .name { font-size: 1.05rem; font-weight: 700; color: #fff; }
.footer-logo-text .sub { font-size: .72rem; color: rgba(255,255,255,.45); }
.footer-desc { font-size: .85rem; line-height: 1.8; margin-bottom: 18px; }
.footer-contact { display: flex; flex-direction: column; gap: 8px; }
.footer-contact-item {
  display: flex; align-items: center; gap: 8px; font-size: .82rem;
}
.footer-contact-item .ci-icon { font-size: .95rem; color: var(--accent); }
.footer-col-title {
  font-size: .95rem; font-weight: 700; color: #fff; margin-bottom: 18px;
  padding-bottom: 10px; border-bottom: 1px solid rgba(255,255,255,.1);
}
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a {
  font-size: .82rem; color: rgba(255,255,255,.6); transition: var(--transition);
  display: flex; align-items: center; gap: 6px;
}
.footer-links a:hover { color: var(--accent); padding-left: 4px; }
.footer-qr {
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  background: rgba(255,255,255,.05); border-radius: var(--r-lg); padding: 18px;
}
.qr-box {
  width: 110px; height: 110px; background: #fff; border-radius: var(--r-md);
  display: flex; align-items: center; justify-content: center; font-size: 3rem;
}
.qr-label { font-size: .75rem; color: rgba(255,255,255,.5); text-align: center; }

.footer-bottom {
  padding: 20px 0; display: flex; align-items: center; justify-content: space-between;
  font-size: .78rem;
}
.footer-icp a { color: rgba(255,255,255,.5); transition: var(--transition); }
.footer-icp a:hover { color: rgba(255,255,255,.8); }
.footer-copyright { color: rgba(255,255,255,.4); }

/* ── Login Modal ── */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(13,31,60,.65);
  backdrop-filter: blur(6px); z-index: 9999;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden; transition: var(--transition);
}
.modal-overlay.open { opacity: 1; visibility: visible; }
.modal-box {
  background: #fff; border-radius: var(--r-xl);
  width: 420px; max-width: 94vw; overflow: hidden;
  box-shadow: var(--shadow-lg); transform: scale(.92) translateY(20px);
  transition: var(--transition);
}
.modal-overlay.open .modal-box { transform: scale(1) translateY(0); }
.modal-header {
  background: linear-gradient(135deg,var(--primary),var(--secondary));
  padding: 28px 32px; color: #fff; position: relative;
}
.modal-header h2 { font-size: 1.3rem; font-weight: 700; }
.modal-header p { font-size: .85rem; color: rgba(255,255,255,.7); margin-top: 4px; }
.modal-close {
  position: absolute; top: 16px; right: 16px;
  width: 32px; height: 32px; border-radius: 50%;
  background: rgba(255,255,255,.15); color: #fff; font-size: 1rem;
  display: flex; align-items: center; justify-content: center; cursor: pointer;
  transition: var(--transition);
}
.modal-close:hover { background: rgba(255,255,255,.25); }
.modal-body { padding: 28px 32px; }
.modal-tabs { display: flex; gap: 0; margin-bottom: 24px; border-bottom: 2px solid var(--border); }
.modal-tab {
  padding: 10px 20px; font-size: .9rem; font-weight: 600;
  color: var(--text-muted); cursor: pointer; transition: var(--transition);
  border-bottom: 2px solid transparent; margin-bottom: -2px;
}
.modal-tab.active { color: var(--secondary); border-bottom-color: var(--secondary); }
.form-group { margin-bottom: 18px; }
.form-label {
  display: block; font-size: .85rem; font-weight: 600; color: var(--text-primary);
  margin-bottom: 6px;
}
.form-input {
  width: 100%; border: 1.5px solid var(--border); border-radius: var(--r-md);
  padding: 10px 14px; font-size: .9rem; font-family: inherit; outline: none;
  transition: var(--transition); color: var(--text-primary);
}
.form-input:focus {
  border-color: var(--accent); box-shadow: 0 0 0 3px rgba(0,180,216,.12);
}
.form-row { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.form-check { display: flex; align-items: center; gap: 6px; font-size: .85rem; cursor: pointer; }
.form-link { font-size: .85rem; color: var(--secondary); font-weight: 600; cursor: pointer; }
.form-btn {
  width: 100%; padding: 12px; border-radius: var(--r-md);
  background: linear-gradient(135deg,var(--secondary),var(--accent));
  color: #fff; font-size: .95rem; font-weight: 700; cursor: pointer;
  transition: var(--transition); font-family: inherit;
}
.form-btn:hover { opacity: .9; transform: translateY(-1px); }
.modal-divider {
  text-align: center; color: var(--text-muted); font-size: .82rem; margin: 18px 0;
  position: relative;
}
.modal-divider::before, .modal-divider::after {
  content: ''; position: absolute; top: 50%; width: 38%; height: 1px; background: var(--border);
}
.modal-divider::before { left: 0; }
.modal-divider::after { right: 0; }
.guest-btn {
  width: 100%; padding: 10px; border-radius: var(--r-md);
  border: 1.5px solid var(--border); color: var(--text-secondary);
  font-size: .9rem; font-weight: 600; background: #fff;
  cursor: pointer; transition: var(--transition); font-family: inherit;
}
.guest-btn:hover { border-color: var(--accent); color: var(--secondary); background: var(--bg-light); }

/* ── User bar (logged in) ── */
.user-bar {
  display: flex; align-items: center; gap: 10px;
}
.user-avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background: linear-gradient(135deg,var(--secondary),var(--accent));
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 1rem; font-weight: 700; cursor: pointer;
}
.user-name { font-size: .88rem; font-weight: 600; color: var(--text-primary); }
.user-role { font-size: .72rem; color: var(--text-muted); }
.btn-logout {
  font-size: .82rem; color: var(--text-muted); background: var(--bg-light);
  padding: 5px 12px; border-radius: var(--r-md); transition: var(--transition);
}
.btn-logout:hover { color: var(--danger); background: #fef2f2; }

/* ── Toast notification ── */
.toast {
  position: fixed; top: 80px; right: 24px; z-index: 99999;
  background: #fff; border-radius: var(--r-lg); padding: 14px 20px;
  box-shadow: var(--shadow-lg); display: flex; align-items: center; gap: 10px;
  transform: translateX(120%); transition: var(--transition);
  border-left: 4px solid var(--accent);
  max-width: 320px;
}
.toast.show { transform: translateX(0); }
.toast.success { border-left-color: var(--accent-2); }
.toast.error   { border-left-color: var(--danger); }
.toast-icon    { font-size: 1.2rem; flex-shrink: 0; }
.toast-msg     { font-size: .88rem; color: var(--text-primary); }

/* ── Breadcrumb ── */
.breadcrumb {
  background: #fff; border-bottom: 1px solid var(--border);
  padding: 12px 0;
}
.breadcrumb nav {
  display: flex; align-items: center; gap: 6px;
  font-size: .82rem; color: var(--text-muted);
}
.breadcrumb a { color: var(--secondary); }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb sep { color: var(--border); }

/* ── Page Header ── */
.page-hero {
  background: linear-gradient(135deg,var(--primary),var(--secondary));
  color: #fff; padding: 48px 0;
}
.page-hero h1 { font-size: 2rem; font-weight: 800; margin-bottom: 8px; }
.page-hero p   { font-size: .95rem; color: rgba(255,255,255,.75); }

/* ── Detail page ── */
.detail-layout {
  display: grid; grid-template-columns: 1fr 340px; gap: 28px;
  padding: 32px 0;
}
.detail-main {
  background: #fff; border-radius: var(--r-xl);
  box-shadow: var(--shadow-sm); overflow: hidden;
}
.detail-sidebar { display: flex; flex-direction: column; gap: 20px; }
.sidebar-card {
  background: #fff; border-radius: var(--r-xl);
  box-shadow: var(--shadow-sm); padding: 24px;
}
.sidebar-card-title {
  font-size: .95rem; font-weight: 700; color: var(--primary);
  margin-bottom: 16px; padding-bottom: 10px; border-bottom: 2px solid var(--accent);
}
.info-list { display: flex; flex-direction: column; gap: 12px; }
.info-row {
  display: flex; gap: 10px; font-size: .85rem;
}
.info-label { color: var(--text-muted); white-space: nowrap; min-width: 80px; }
.info-value { color: var(--text-primary); font-weight: 500; }
.detail-cover {
  height: 240px; background: linear-gradient(135deg,#e0f2fe,#0077b6);
  position: relative; display: flex; align-items: center; justify-content: center;
  font-size: 4rem;
}
.detail-content-body { padding: 28px 32px; }
.detail-title { font-size: 1.6rem; font-weight: 800; color: var(--primary); margin-bottom: 16px; }
.detail-meta-bar {
  display: flex; flex-wrap: wrap; gap: 16px; padding: 14px 0;
  border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
  margin-bottom: 24px;
}
.detail-meta-item {
  display: flex; align-items: center; gap: 6px; font-size: .82rem; color: var(--text-muted);
}
.detail-meta-item strong { color: var(--text-primary); }
.section-block { margin-bottom: 28px; }
.section-block h3 {
  font-size: 1.05rem; font-weight: 700; color: var(--primary);
  margin-bottom: 12px; padding-left: 12px;
  border-left: 4px solid var(--accent);
}
.section-block p  { font-size: .9rem; color: var(--text-secondary); line-height: 1.9; }
.section-block ul { padding-left: 20px; }
.section-block ul li { font-size: .9rem; color: var(--text-secondary); line-height: 1.9; list-style: disc; }

.schedule-table { width: 100%; border-collapse: collapse; font-size: .85rem; }
.schedule-table th {
  background: var(--primary); color: #fff; padding: 10px 14px; text-align: left;
}
.schedule-table td { padding: 10px 14px; border-bottom: 1px solid var(--border); }
.schedule-table tr:nth-child(even) td { background: var(--bg-light); }

/* Meeting QR reg */
.reg-tabs { display: flex; gap: 0; border-bottom: 2px solid var(--border); margin-bottom: 20px; }
.reg-tab {
  padding: 10px 20px; font-size: .9rem; font-weight: 600;
  color: var(--text-muted); cursor: pointer; transition: var(--transition);
  border-bottom: 2px solid transparent; margin-bottom: -2px;
}
.reg-tab.active { color: var(--secondary); border-bottom-color: var(--secondary); }
.reg-pane { display: none; }
.reg-pane.active { display: block; }
.qr-reg-box {
  text-align: center; padding: 20px;
  background: var(--bg-light); border-radius: var(--r-lg);
}
.qr-reg-box .qr-img {
  width: 160px; height: 160px; background: #fff; border-radius: var(--r-md);
  margin: 0 auto 12px; display: flex; align-items: center; justify-content: center;
  font-size: 4rem; box-shadow: var(--shadow-sm);
}
.qr-reg-box p { font-size: .85rem; color: var(--text-muted); line-height: 1.6; }

/* Upload area */
.upload-area {
  border: 2px dashed var(--border); border-radius: var(--r-lg);
  padding: 20px; text-align: center; cursor: pointer; transition: var(--transition);
  background: var(--bg-light);
}
.upload-area:hover { border-color: var(--accent); background: #e0f7fa; }
.upload-area p { font-size: .82rem; color: var(--text-muted); margin-top: 6px; }
.upload-area .upload-icon { font-size: 2rem; }

/* Replay materials */
.materials-list { display: flex; flex-direction: column; gap: 10px; }
.material-item {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 16px; background: var(--bg-light); border-radius: var(--r-md);
  transition: var(--transition); cursor: pointer;
}
.material-item:hover { background: #e0f2fe; }
.material-icon { font-size: 1.4rem; flex-shrink: 0; }
.material-info { flex: 1; }
.material-name { font-size: .88rem; font-weight: 600; color: var(--text-primary); }
.material-size { font-size: .75rem; color: var(--text-muted); }
.material-action { font-size: .82rem; color: var(--secondary); font-weight: 600; }

/* Pagination */
.pagination {
  display: flex; justify-content: center; gap: 6px; padding: 32px 0 8px;
}
.page-btn {
  width: 36px; height: 36px; border-radius: var(--r-md);
  display: flex; align-items: center; justify-content: center;
  font-size: .85rem; font-weight: 600; cursor: pointer; transition: var(--transition);
  background: #fff; color: var(--text-secondary); border: 1.5px solid var(--border);
}
.page-btn:hover, .page-btn.active {
  background: var(--secondary); color: #fff; border-color: var(--secondary);
}

/* ── Responsive ── */
@media (max-width: 1100px) {
  .training-grid { grid-template-columns: 1fr 1fr; }
  .teachers-grid { grid-template-columns: repeat(4,1fr); }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 28px; }
}
@media (max-width: 860px) {
  .hero { height: 380px; }
  .slide-title { font-size: 1.8rem; }
  .news-layout { grid-template-columns: 1fr; }
  .meeting-featured { grid-template-columns: 1fr; }
  .meeting-featured-img { min-height: 160px; }
  .meetings-list { grid-template-columns: 1fr; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .cedu-grid { grid-template-columns: 1fr; }
  .detail-layout { grid-template-columns: 1fr; }
  .teachers-grid { grid-template-columns: repeat(3,1fr); }
  .stats-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .header-inner { flex-wrap: wrap; gap: 12px; }
  .header-search input { width: 160px; }
  .training-grid { grid-template-columns: 1fr; }
  .teachers-grid { grid-template-columns: 1fr 1fr; }
  .footer-main { grid-template-columns: 1fr; }
  .slide-title { font-size: 1.4rem; }
  .slide-desc { display: none; }
  .nav-list { overflow-x: auto; }
}

/* Scroll reveal animation classes */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .5s ease, transform .5s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ══════════════════════════════════════════════
   EXTENDED STYLES — 增强样式
   ══════════════════════════════════════════════ */

/* ── Navigation redesign (bigger, richer) ── */
.navbar {
  border-bottom: 2px solid rgba(0,180,216,.25);
  background: linear-gradient(90deg, #0a1628 0%, #0d2137 50%, #0a1628 100%);
}
.nav-link {
  padding: 16px 20px !important;
  font-size: .93rem !important;
  font-weight: 600 !important;
  letter-spacing: .02em;
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute; bottom: 0; left: 50%; right: 50%;
  height: 2.5px;
  background: linear-gradient(90deg, var(--accent), #06d6a0);
  transition: left .25s ease, right .25s ease;
  border-radius: 2px 2px 0 0;
}
.nav-item:hover > .nav-link::after,
.nav-item.active > .nav-link::after { left: 10%; right: 10%; }
.nav-item.active > .nav-link { border-bottom: none !important; }

/* Dropdown richer design */
.dropdown { min-width: 200px; border-radius: 0 0 12px 12px; }
.dropdown a {
  padding: 11px 20px;
  font-size: .88rem;
  display: flex; align-items: center; gap: 8px;
}
.dropdown a::before {
  content: '▸'; color: var(--accent); font-size: .7rem; flex-shrink: 0;
}
.dropdown a:hover { padding-left: 26px; }

/* ── Auth buttons ── */
.btn-guest-lg {
  background: linear-gradient(135deg, #e0f2fe, #f0f9ff);
  border: 1.5px solid var(--accent);
  color: var(--secondary); padding: 10px 22px; border-radius: var(--r-md);
  font-size: .95rem; font-weight: 700; transition: var(--transition);
}
.btn-guest-lg:hover { background: var(--accent); color: #fff; box-shadow: 0 4px 14px rgba(0,180,216,.35); }
.btn-login-md {
  background: transparent; border: 1.5px solid var(--secondary);
  color: var(--secondary); padding: 9px 20px; border-radius: var(--r-md);
  font-size: .88rem; font-weight: 600; transition: var(--transition);
}
.btn-login-md:hover { background: var(--secondary); color: #fff; }
.btn-register-xs {
  background: var(--bg-light); border: 1px solid var(--border);
  color: var(--text-muted); padding: 6px 12px; border-radius: var(--r-md);
  font-size: .78rem; font-weight: 500; transition: var(--transition);
}
.btn-register-xs:hover { border-color: var(--secondary); color: var(--secondary); }

/* ── Banner slide — richer content ── */
.slide-eyebrow {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(0,180,216,.18); border: 1px solid rgba(0,180,216,.35);
  color: var(--accent); padding: 5px 14px; border-radius: var(--r-full);
  font-size: .78rem; font-weight: 700; letter-spacing: .1em;
  margin-bottom: 14px; width: fit-content;
}
.slide-title-large {
  font-size: 2.4rem; font-weight: 800; color: #fff; line-height: 1.25;
  margin-bottom: 8px; text-shadow: 0 2px 16px rgba(0,0,0,.3);
}
.slide-theme {
  font-size: .95rem; color: rgba(255,255,255,.7);
  margin-bottom: 18px; font-style: italic; letter-spacing: .04em;
}
.slide-chips {
  display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 18px;
}
.slide-chip {
  display: flex; align-items: center; gap: 5px;
  background: rgba(255,255,255,.1); backdrop-filter: blur(6px);
  border: 1px solid rgba(255,255,255,.15); border-radius: var(--r-full);
  padding: 5px 12px; font-size: .8rem; color: rgba(255,255,255,.9);
}
.slide-stats-row {
  display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 24px;
}
.slide-stat-box {
  background: rgba(255,255,255,.08); backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.12); border-radius: var(--r-lg);
  padding: 10px 16px; text-align: center; min-width: 78px;
}
.slide-stat-box .snum {
  display: block; font-size: 1.3rem; font-weight: 800; color: #fff; line-height: 1.15;
}
.slide-stat-box .slbl {
  display: block; font-size: .68rem; color: rgba(255,255,255,.6); margin-top: 3px;
}
.slide-right-art {
  position: absolute; right: 4%; top: 50%; transform: translateY(-50%);
  width: 340px; height: 300px; opacity: .85; pointer-events: none;
}

/* ── Meeting card with SVG cover ── */
.meeting-card-v2 {
  background: rgba(255,255,255,.06); backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.1); border-radius: var(--r-lg);
  overflow: hidden; transition: var(--transition); cursor: pointer;
  color: #fff;
}
.meeting-card-v2:hover {
  background: rgba(255,255,255,.11); border-color: rgba(0,180,216,.3);
  transform: translateY(-3px); box-shadow: 0 12px 32px rgba(0,0,0,.3);
}
.meeting-card-v2 .mc-cover { display: block; width: 100%; }
.meeting-card-v2 .mc-body { padding: 14px 16px; }
.meeting-card-v2 .mc-status {
  font-size: .72rem; font-weight: 700; padding: 3px 9px;
  border-radius: var(--r-full); display: inline-block; margin-bottom: 7px;
}
.mc-status-open   { background: rgba(34,197,94,.25); color: #4ade80; border: 1px solid rgba(34,197,94,.3); }
.mc-status-ended  { background: rgba(148,163,184,.2); color: #94a3b8; border: 1px solid rgba(148,163,184,.25); }
.meeting-card-v2 .mc-title {
  font-size: .93rem; font-weight: 700; margin-bottom: 8px; line-height: 1.45;
}
.meeting-card-v2 .mc-meta {
  font-size: .75rem; color: rgba(255,255,255,.5); display: flex; flex-wrap: wrap; gap: 10px;
}

/* ── Teacher avatar SVG wrappers ── */
.teacher-avatar-svg {
  width: 88px; height: 88px; border-radius: 50%; margin: 0 auto 14px;
  overflow: hidden; flex-shrink: 0;
  box-shadow: 0 4px 16px rgba(0,0,0,.18);
}
.teacher-avatar-svg svg { display: block; width: 100%; height: 100%; }

/* ── List pages ── */
.list-page-layout {
  display: grid; grid-template-columns: 1fr 300px; gap: 28px; padding: 32px 0 56px;
}
.list-main { display: flex; flex-direction: column; gap: 16px; }
.list-sidebar { display: flex; flex-direction: column; gap: 20px; }

.list-item {
  background: #fff; border-radius: var(--r-lg); overflow: hidden;
  box-shadow: var(--shadow-sm); transition: var(--transition);
  border: 1.5px solid transparent; cursor: pointer;
}
.list-item:hover {
  transform: translateY(-2px); box-shadow: var(--shadow-md);
  border-color: rgba(0,180,216,.2);
}
.list-item-inner { display: flex; gap: 0; }
.list-item-img {
  width: 200px; flex-shrink: 0; background: linear-gradient(135deg,#e0f2fe,#bae6fd);
  display: flex; align-items: center; justify-content: center; font-size: 2.5rem;
  min-height: 120px;
}
.list-item-img img { width: 100%; height: 100%; object-fit: cover; }
.list-item-body { padding: 18px 20px; flex: 1; min-width: 0; }
.list-item-tags { display: flex; gap: 6px; margin-bottom: 8px; }
.list-item-title {
  font-size: 1rem; font-weight: 700; color: var(--primary); margin-bottom: 8px;
  line-height: 1.5;
}
.list-item-title:hover { color: var(--secondary); }
.list-item-summary {
  font-size: .85rem; color: var(--text-muted); line-height: 1.7; margin-bottom: 10px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.list-item-meta {
  display: flex; gap: 16px; font-size: .78rem; color: var(--text-muted);
}

/* Notice list (no image) */
.notice-list-item {
  background: #fff; border-radius: var(--r-lg); padding: 16px 20px;
  box-shadow: var(--shadow-sm); transition: var(--transition);
  border-left: 4px solid var(--accent); cursor: pointer;
  display: flex; align-items: flex-start; gap: 14px;
}
.notice-list-item:hover { transform: translateX(4px); box-shadow: var(--shadow-md); }
.notice-list-item .nl-date {
  flex-shrink: 0; width: 52px; text-align: center;
  background: var(--bg-light); border-radius: var(--r-md); padding: 6px;
  border-top: 2px solid var(--accent);
}
.notice-list-item .nl-day { font-size: 1.4rem; font-weight: 800; color: var(--primary); line-height: 1; }
.notice-list-item .nl-mon { font-size: .68rem; color: var(--text-muted); }
.notice-list-item .nl-body { flex: 1; }
.notice-list-item .nl-title {
  font-size: .95rem; font-weight: 600; color: var(--text-primary); line-height: 1.5;
  margin-bottom: 4px; transition: var(--transition);
}
.notice-list-item:hover .nl-title { color: var(--secondary); }
.notice-list-item .nl-meta { font-size: .75rem; color: var(--text-muted); }

/* Page tab bar */
.page-tabs {
  display: flex; background: #fff; border-radius: var(--r-lg);
  box-shadow: var(--shadow-sm); padding: 6px; gap: 4px; margin-bottom: 24px;
}
.page-tab {
  flex: 1; text-align: center; padding: 10px 16px; border-radius: var(--r-md);
  font-size: .9rem; font-weight: 600; cursor: pointer; transition: var(--transition);
  color: var(--text-muted);
}
.page-tab.active { background: linear-gradient(135deg, var(--secondary), var(--accent)); color: #fff; }
.page-tab:not(.active):hover { background: var(--bg-light); color: var(--secondary); }

/* ── Teacher detail ── */
.teacher-profile-header {
  background: linear-gradient(135deg,var(--primary) 0%,var(--secondary) 60%,#06b6d4 100%);
  padding: 48px 0; color: #fff;
}
.teacher-profile-inner { display: flex; gap: 32px; align-items: center; }
.teacher-profile-avatar {
  width: 120px; height: 120px; border-radius: 50%; flex-shrink: 0;
  border: 4px solid rgba(255,255,255,.3); overflow: hidden;
  box-shadow: 0 8px 24px rgba(0,0,0,.3);
}
.teacher-profile-avatar svg { display: block; width: 100%; height: 100%; }
.teacher-profile-name { font-size: 2rem; font-weight: 800; margin-bottom: 6px; }
.teacher-profile-title { font-size: .95rem; color: rgba(255,255,255,.8); margin-bottom: 12px; }
.teacher-profile-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.teacher-profile-tags span {
  background: rgba(255,255,255,.15); border: 1px solid rgba(255,255,255,.2);
  color: #fff; padding: 4px 12px; border-radius: var(--r-full); font-size: .8rem;
}
.achievement-card {
  background: #fff; border-radius: var(--r-lg); padding: 20px;
  box-shadow: var(--shadow-sm); margin-bottom: 16px;
  border-left: 3px solid var(--accent);
}
.achievement-num {
  font-size: 2rem; font-weight: 800; color: var(--accent); line-height: 1;
}
.achievement-lbl { font-size: .8rem; color: var(--text-muted); margin-top: 2px; }

/* ── Course list card ── */
.course-list-card {
  background: #fff; border-radius: var(--r-lg); overflow: hidden;
  box-shadow: var(--shadow-sm); transition: var(--transition);
  display: flex; border: 1.5px solid transparent;
}
.course-list-card:hover {
  transform: translateY(-2px); box-shadow: var(--shadow-md);
  border-color: rgba(0,180,216,.2);
}
.course-list-card .clc-thumb {
  width: 180px; flex-shrink: 0; min-height: 120px;
  background: linear-gradient(135deg,#dbeafe,#bfdbfe);
  display: flex; align-items: center; justify-content: center; font-size: 2.8rem;
}
.course-list-card .clc-body { padding: 18px 20px; flex: 1; }
.course-list-card .clc-title {
  font-size: 1rem; font-weight: 700; color: var(--primary); margin-bottom: 6px; line-height: 1.5;
}
.course-list-card .clc-instructor { font-size: .82rem; color: var(--secondary); font-weight: 600; margin-bottom: 8px; }
.course-list-card .clc-desc { font-size: .82rem; color: var(--text-muted); line-height: 1.7; margin-bottom: 10px; }
.course-list-card .clc-footer {
  display: flex; align-items: center; justify-content: space-between; padding-top: 10px;
  border-top: 1px solid var(--border);
}

/* ── Sidebar blocks ── */
.sidebar-block {
  background: #fff; border-radius: var(--r-xl); padding: 20px;
  box-shadow: var(--shadow-sm);
}
.sidebar-block-title {
  font-size: .95rem; font-weight: 700; color: var(--primary);
  margin-bottom: 14px; padding-bottom: 10px; border-bottom: 2px solid var(--accent);
}
.sidebar-list-item {
  display: flex; gap: 8px; padding: 10px 0; border-bottom: 1px dashed var(--border);
  cursor: pointer; transition: var(--transition);
}
.sidebar-list-item:last-child { border-bottom: none; }
.sidebar-list-item:hover .sli-title { color: var(--secondary); }
.sli-dot {
  width: 6px; height: 6px; border-radius: 50%; background: var(--accent);
  flex-shrink: 0; margin-top: 6px;
}
.sli-title { font-size: .85rem; color: var(--text-primary); line-height: 1.5; transition: var(--transition); }
.sli-date { font-size: .72rem; color: var(--text-muted); margin-top: 2px; }

/* ── Article / Detail body ── */
.article-body { font-size: .92rem; color: var(--text-secondary); line-height: 1.9; }
.article-body h2 { font-size: 1.15rem; font-weight: 700; color: var(--primary); margin: 24px 0 10px; }
.article-body h3 { font-size: 1rem; font-weight: 700; color: var(--primary); margin: 18px 0 8px; }
.article-body p  { margin-bottom: 14px; }
.article-body ul { padding-left: 22px; margin-bottom: 14px; }
.article-body ul li { list-style: disc; margin-bottom: 6px; }
.article-body blockquote {
  border-left: 4px solid var(--accent); padding: 12px 18px;
  background: var(--bg-light); border-radius: 0 var(--r-md) var(--r-md) 0;
  margin: 16px 0; color: var(--text-secondary); font-style: italic;
}

/* ── Meeting list page cards ── */
.meet-list-card {
  background: #fff; border-radius: var(--r-xl); overflow: hidden;
  box-shadow: var(--shadow-sm); transition: var(--transition);
  border: 1.5px solid transparent; cursor: pointer;
}
.meet-list-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: rgba(0,180,216,.2); }
.meet-list-card .mlc-cover { height: 160px; overflow: hidden; }
.meet-list-card .mlc-cover svg { display: block; width: 100%; height: 100%; }
.meet-list-card .mlc-body { padding: 16px 18px; }
.meet-list-card .mlc-status {
  font-size: .72rem; font-weight: 700; padding: 3px 10px;
  border-radius: var(--r-full); display: inline-block; margin-bottom: 8px;
}
.mlc-open   { background: #dcfce7; color: #15803d; }
.mlc-ended  { background: #f1f5f9; color: #64748b; }
.meet-list-card .mlc-title {
  font-size: .95rem; font-weight: 700; color: var(--primary); line-height: 1.5; margin-bottom: 10px;
}
.meet-list-card .mlc-meta { font-size: .78rem; color: var(--text-muted); display: flex; flex-direction: column; gap: 4px; }

/* ── Responsive additions ── */
@media (max-width: 860px) {
  .list-page-layout { grid-template-columns: 1fr; }
  .list-item-img { width: 120px; }
  .teacher-profile-inner { flex-direction: column; text-align: center; }
  .course-list-card .clc-thumb { width: 120px; }
}

/* ── Modal (new-page pattern: separate overlay + .modal divs) ── */
.modal {
  display: none;
  position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%);
  z-index: 1001; width: 420px; max-width: calc(100vw - 32px);
  background: #fff; border-radius: var(--r-xl);
  box-shadow: 0 24px 64px rgba(13,31,60,.35);
  overflow: hidden;
}
.modal.open { display: block; }
.modal .modal-header {
  background: linear-gradient(135deg, var(--primary), var(--primary-mid));
  padding: 20px 24px; display: flex; align-items: center; justify-content: space-between;
}
.modal .modal-header h3 { color: #fff; font-size: 1.1rem; font-weight: 700; margin: 0; }
.modal .modal-close {
  background: rgba(255,255,255,.15); border: none; color: #fff;
  width: 28px; height: 28px; border-radius: 50%; cursor: pointer;
  font-size: .9rem; display: flex; align-items: center; justify-content: center;
}
.modal .modal-close:hover { background: rgba(255,255,255,.28); }
.modal .modal-body { padding: 24px 28px; }
.modal .form-group { margin-bottom: 14px; }
.modal .form-group label {
  display: block; font-size: .83rem; color: var(--text-muted); margin-bottom: 6px; font-weight: 600;
}
.modal .form-group input {
  width: 100%; padding: 10px 14px; border: 1.5px solid var(--border);
  border-radius: var(--r-md); font-size: .9rem; outline: none; font-family: inherit;
}
.modal .form-group input:focus { border-color: var(--secondary); }
.modal .btn-full { width: 100%; margin-top: 8px; padding: 12px; font-size: .95rem; }
/* Overlay z-index for new-page pattern */
#modalOverlay.modal-overlay { z-index: 1000; }

/* ── Slide content responsive ── */
@media (max-width: 900px) {
  .slide-content { padding-right: 24px !important; }
  .slide-right-art { display: none; }
}