/* roulang page: index */
:root {
  --primary: #0B4A5F;
  --primary-light: #12B3C8;
  --primary-dark: #072A33;
  --accent: #FF6B4A;
  --accent-light: #FF8A5C;
  --grad-main: linear-gradient(135deg, #0B4A5F, #12B3C8);
  --grad-accent: linear-gradient(135deg, #FF6B4A, #FF8A5C);
  --bg-body: #F5F7F8;
  --bg-white: #FFFFFF;
  --bg-dark: #072A33;
  --text-main: #1A2B33;
  --text-sub: #5A6E77;
  --text-muted: #84979F;
  --border: #E3E9EB;
  --border-light: #D7DFE3;
  --success: #12A06B;
  --warning: #F5A623;
  --error: #D64545;
  --radius-lg: 20px;
  --radius-md: 12px;
  --radius-sm: 10px;
  --radius-pill: 999px;
  --shadow-sm: 0 2px 8px rgba(7,42,51,0.06);
  --shadow-md: 0 4px 16px rgba(7,42,51,0.08);
  --shadow-lg: 0 8px 24px rgba(7,42,51,0.12);
  --space-section: 96px;
  --space-section-mobile: 56px;
  --max-width: 1200px;
  --header-height: 64px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background-color: var(--bg-body);
  color: var(--text-main);
  line-height: 1.75;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.2s ease;
}
a:hover {
  color: var(--accent);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
  background: none;
}
button:focus-visible, input:focus-visible, a:focus-visible {
  outline: 2px solid var(--primary-light);
  outline-offset: 2px;
}

ul, ol {
  list-style: none;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

@media (max-width: 640px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.logo-area {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 12px;
  background: var(--grad-main);
  flex-shrink: 0;
}

.logo-text {
  font-weight: 700;
  font-size: 18px;
  color: var(--primary);
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.logo-sub {
  font-size: 11px;
  color: var(--text-muted);
  margin-left: 2px;
  white-space: nowrap;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  margin: 0 auto;
}

.nav-link {
  position: relative;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-main);
  padding: 6px 2px;
  transition: color 0.2s ease;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--primary-light);
  transition: width 0.3s ease;
}
.nav-link:hover {
  color: var(--primary-light);
}
.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}
.nav-link.active {
  color: var(--primary);
  font-weight: 600;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.search-box {
  display: flex;
  align-items: center;
  background: #F0F3F4;
  border-radius: var(--radius-sm);
  padding: 0 12px;
  height: 38px;
  width: 220px;
  transition: width 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  border: 1px solid transparent;
}
.search-box i {
  color: var(--text-muted);
  font-size: 14px;
  margin-right: 8px;
}
.search-box input {
  flex: 1;
  background: transparent;
  font-size: 14px;
  color: var(--text-main);
}
.search-box input::placeholder {
  color: var(--text-muted);
}
.search-box .search-kbd {
  font-size: 11px;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 5px;
  color: var(--text-muted);
  white-space: nowrap;
}
.search-box.is-focus {
  width: 280px;
  border-color: var(--primary-light);
  box-shadow: 0 0 0 3px rgba(18,179,200,0.2);
}

.quick-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

.icon-btn {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-sub);
  background: transparent;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}
.icon-btn:hover {
  background: #E8F2F3;
  color: var(--primary-light);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 40px;
  padding: 0 20px;
  border-radius: var(--radius-md);
  background: var(--grad-accent);
  color: #fff;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
  border: none;
  white-space: nowrap;
}
.btn-primary:hover {
  transform: translateY(-1px);
  filter: brightness(1.06);
  box-shadow: 0 4px 12px rgba(255,107,74,0.3);
  color: #fff;
}
.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding: 0 24px;
  border-radius: var(--radius-md);
  background: var(--bg-white);
  color: var(--primary);
  border: 1.5px solid var(--primary);
  font-weight: 500;
  font-size: 15px;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease;
}
.btn-secondary:hover {
  background: #E8F2F3;
  color: var(--primary);
  transform: translateY(-1px);
}

.hamburger {
  display: none;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-main);
  background: transparent;
}
.hamburger:hover {
  background: #F0F3F4;
}

.mobile-menu {
  display: none;
  position: fixed;
  top: var(--header-height);
  right: 0;
  bottom: 0;
  width: 280px;
  background: var(--bg-white);
  box-shadow: -8px 0 24px rgba(7,42,51,0.1);
  padding: 24px;
  z-index: 999;
  transform: translateX(100%);
  transition: transform 0.3s ease;
  border-radius: 16px 0 0 16px;
}
.mobile-menu.open {
  transform: translateX(0);
}
.mobile-menu a {
  display: block;
  padding: 12px 0;
  font-size: 16px;
  color: var(--text-main);
  border-bottom: 1px solid var(--border);
  font-weight: 500;
}
.mobile-menu a:hover {
  color: var(--primary-light);
}
.mobile-menu .btn-primary {
  margin-top: 20px;
  width: 100%;
}

/* ===== Hero ===== */
.hero {
  padding: 64px 0 var(--space-section);
  background: var(--bg-body);
}

.hero-grid {
  display: flex;
  align-items: center;
  gap: 48px;
}

.hero-visual {
  flex: 0 0 52%;
  max-width: 52%;
}

.hero-cover-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.hero-cover-wrap img {
  width: 100%;
  height: auto;
  aspect-ratio: 16/10;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.hero-cover-wrap:hover img {
  transform: scale(1.02);
}

.live-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  background: var(--grad-accent);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  box-shadow: 0 4px 12px rgba(255,107,74,0.35);
  letter-spacing: 0.5px;
}

.hero-content {
  flex: 1;
}

.hero-title {
  font-size: 42px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--primary);
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}

.hero-subtitle {
  font-size: 16px;
  color: var(--text-sub);
  line-height: 1.8;
  margin-bottom: 28px;
  max-width: 540px;
}

.hero-stats {
  display: flex;
  gap: 12px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.stat-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--grad-main);
  color: #fff;
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}
.stat-badge .stat-num {
  font-family: ui-monospace, "SF Mono", "Roboto Mono", monospace;
  font-size: 20px;
  font-weight: 800;
}
.stat-badge .stat-trend {
  font-size: 12px;
  opacity: 0.9;
}
.stat-badge.orange {
  background: var(--grad-accent);
}

.hero-btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ===== Countdown ===== */
.countdown-section {
  background: var(--bg-dark);
  padding: 80px 0;
}

.countdown-title {
  text-align: center;
  color: #fff;
  font-size: 30px;
  font-weight: 700;
  margin-bottom: 40px;
}

.countdown-title span {
  color: var(--accent-light);
}

.countdown-grid {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.cd-card {
  background: rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  min-width: 120px;
  padding: 24px 20px;
  text-align: center;
  border: 1px solid rgba(255,255,255,0.12);
  backdrop-filter: blur(4px);
}
.cd-card .cd-num {
  font-family: ui-monospace, "SF Mono", "Roboto Mono", monospace;
  font-size: 44px;
  font-weight: 800;
  color: #fff;
  line-height: 1.1;
}
.cd-card .cd-label {
  font-size: 13px;
  color: rgba(255,255,255,0.7);
  margin-top: 10px;
}

.countdown-note {
  text-align: center;
  color: rgba(255,255,255,0.55);
  font-size: 14px;
}

/* ===== Highlights ===== */
.highlights-section {
  padding: var(--space-section) 0;
}

.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 40px;
  gap: 16px;
}

.section-header h2 {
  font-size: 30px;
  font-weight: 700;
  color: var(--primary);
}

.link-more {
  font-size: 14px;
  color: var(--primary-light);
  font-weight: 500;
  white-space: nowrap;
}
.link-more:hover {
  color: var(--accent);
}

.highlight-card {
  display: flex;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  margin-bottom: 24px;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.highlight-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.highlight-card.reverse {
  flex-direction: row-reverse;
}

.highlight-thumb {
  flex: 0 0 260px;
  max-width: 260px;
  overflow: hidden;
  position: relative;
}
.highlight-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.25s ease;
}
.highlight-card:hover .highlight-thumb img {
  transform: scale(1.03);
}

.highlight-info {
  padding: 24px 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.highlight-info h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 8px;
}
.highlight-info p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.65;
  flex: 1;
  margin-bottom: 16px;
}

.highlight-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: #E8F2F3;
  color: var(--primary);
  font-size: 12px;
  font-weight: 500;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
}
.tag.time {
  background: #FFF3EF;
  color: var(--accent);
}

/* ===== Subscribe ===== */
.subscribe-section {
  padding-bottom: var(--space-section);
}

.subscribe-card {
  position: relative;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.subscribe-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--grad-main);
}
.subscribe-card .sub-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--grad-main);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 20px;
  margin-bottom: 20px;
}

.subscribe-card h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}

.subscribe-card .sub-desc {
  font-size: 15px;
  color: var(--text-sub);
  margin-bottom: 28px;
}

.subscribe-form {
  display: flex;
  gap: 12px;
  max-width: 560px;
  flex-wrap: wrap;
}

.subscribe-form input {
  flex: 1;
  min-width: 260px;
  height: 44px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
  background: #F8FAFB;
  padding: 0 16px;
  font-size: 14px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.subscribe-form input:focus {
  border-color: var(--primary-light);
  box-shadow: 0 0 0 3px rgba(18,179,200,0.2);
  background: var(--bg-white);
}

.subscribe-form .btn-primary {
  height: 44px;
}

.privacy-note {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 16px;
}

/* ===== Replay / Entry ===== */
.replay-section {
  padding-bottom: var(--space-section);
}

.replay-header {
  margin-bottom: 40px;
}
.replay-header h2 {
  font-size: 30px;
  font-weight: 700;
  color: var(--primary);
}

.replay-grid {
  display: flex;
  gap: 24px;
  align-items: stretch;
}

.replay-card {
  flex: 1;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-sm);
}

.replay-card h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.replay-card h3 i {
  color: var(--primary-light);
}

.replay-list {
  display: flex;
  flex-direction: column;
}

.replay-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  transition: background 0.2s ease;
}
.replay-item:last-child {
  border-bottom: none;
}
.replay-item:hover {
  background: #FAFCFC;
}
.replay-thumb {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  overflow: hidden;
  flex-shrink: 0;
}
.replay-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.replay-info {
  flex: 1;
  min-width: 0;
}
.replay-info h4 {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-main);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 2px;
}
.replay-info span {
  font-size: 12px;
  color: var(--text-muted);
}
.replay-play {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: #E8F2F3;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
  flex-shrink: 0;
}
.replay-play:hover {
  background: var(--primary-light);
  color: #fff;
  transform: scale(1.05);
}

.entry-card .entry-main {
  text-align: center;
  padding: 24px 0 32px;
}
.entry-card .entry-main p {
  font-size: 15px;
  color: var(--text-sub);
  margin-bottom: 20px;
}
.entry-card .entry-main .btn-primary {
  height: 48px;
  padding: 0 36px;
  font-size: 16px;
}

.entry-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.entry-link {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  background: #F8FAFB;
  color: var(--text-main);
  font-size: 14px;
  transition: background 0.2s ease, color 0.2s ease;
}
.entry-link i:first-child {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--grad-main);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}
.entry-link span {
  flex: 1;
}
.entry-link .arrow {
  color: var(--text-muted);
  transition: transform 0.2s ease;
}
.entry-link:hover {
  background: #E8F2F3;
  color: var(--primary);
}
.entry-link:hover .arrow {
  transform: translateX(2px);
  color: var(--primary);
}

/* ===== News ===== */
.news-section {
  padding-bottom: var(--space-section);
}

.news-section .section-header {
  align-items: center;
}

.news-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.news-tab {
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-sub);
  background: #EFF3F4;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}
.news-tab:hover {
  background: #E0EBEC;
  color: var(--primary);
}
.news-tab.active {
  background: var(--primary);
  color: #fff;
}

.news-list {
  display: flex;
  flex-direction: column;
}

.news-row {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px 8px;
  border-bottom: 1px solid var(--border);
  transition: background 0.2s ease, box-shadow 0.2s ease;
  border-radius: var(--radius-md);
  cursor: pointer;
}
.news-row:hover {
  background: var(--bg-white);
  box-shadow: var(--shadow-sm);
}

.news-date-block {
  flex-shrink: 0;
  width: 88px;
  text-align: center;
  background: #E8F2F3;
  border-radius: var(--radius-md);
  padding: 8px 0;
}
.news-month {
  display: block;
  font-size: 12px;
  color: var(--primary);
  font-weight: 500;
}
.news-day {
  display: block;
  font-family: ui-monospace, "SF Mono", "Roboto Mono", monospace;
  font-size: 26px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
}

.news-content {
  flex: 1;
  min-width: 0;
}
.news-content h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.news-content h4:hover {
  color: var(--primary-light);
}
.news-content p {
  font-size: 13px;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.news-meta {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 6px;
}

.badge-cat {
  display: inline-block;
  padding: 3px 12px;
  border-radius: var(--radius-pill);
  background: #FFF3EF;
  color: var(--accent);
  font-size: 12px;
  font-weight: 500;
}
.badge-cat.green {
  background: #E6F6EE;
  color: var(--success);
}
.badge-cat.blue {
  background: #E8F2F3;
  color: var(--primary);
}

.news-time {
  font-size: 12px;
  color: var(--text-muted);
}

.empty-state {
  text-align: center;
  padding: 48px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.empty-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: #EFF3F4;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--text-muted);
  margin-bottom: 16px;
}
.empty-state h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 8px;
}
.empty-state p {
  font-size: 13px;
  color: var(--text-muted);
}

/* ===== FAQ ===== */
.faq-section {
  padding-bottom: var(--space-section);
}

.faq-grid {
  display: flex;
  gap: 48px;
}

.faq-left {
  flex: 0 0 320px;
}
.faq-left h2 {
  font-size: 30px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 16px;
}
.faq-left p {
  font-size: 15px;
  color: var(--text-sub);
  margin-bottom: 24px;
}

.contact-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary-light);
  font-weight: 500;
}
.contact-link:hover {
  color: var(--accent);
}

.faq-right {
  flex: 1;
}

.accordion-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  background: var(--bg-white);
  transition: box-shadow 0.2s ease;
}
.accordion-item.is-active {
  box-shadow: var(--shadow-sm);
  border-color: var(--primary-light);
}

.accordion-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  cursor: pointer;
  transition: color 0.2s ease;
  width: 100%;
  text-align: left;
}
.accordion-title:hover {
  color: var(--primary);
}
.accordion-title .plus-icon {
  transition: transform 0.3s ease;
  color: var(--text-muted);
}
.accordion-item.is-active .plus-icon {
  transform: rotate(45deg);
  color: var(--primary-light);
}

.accordion-content {
  display: none;
  padding: 0 20px 18px;
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.7;
  background: #F8FAFB;
  border-top: 1px solid var(--border);
}

/* ===== CTA ===== */
.cta-section {
  padding-bottom: var(--space-section);
}
.cta-box {
  background: var(--grad-main);
  border-radius: var(--radius-lg);
  padding: 64px 40px;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.cta-box h2 {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 16px;
}
.cta-box p {
  font-size: 16px;
  opacity: 0.85;
  margin-bottom: 28px;
}
.cta-box .btn-primary {
  background: var(--grad-accent);
  color: #fff;
  height: 48px;
  padding: 0 40px;
  font-size: 16px;
}
.cta-box .btn-primary:hover {
  color: #fff;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--bg-dark);
  color: rgba(255,255,255,0.8);
  padding: 64px 0 0;
}

.footer-grid {
  display: flex;
  gap: 40px;
  padding-bottom: 40px;
}

.footer-col {
  flex: 1;
}
.footer-col.brand {
  flex: 1.6;
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 16px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.footer-logo .logo-mark {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
}
.footer-logo .logo-text {
  color: #fff;
  font-size: 20px;
}
.footer-logo .logo-sub {
  color: rgba(255,255,255,0.5);
}

.footer-col.brand p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255,255,255,0.6);
  margin-bottom: 20px;
  max-width: 320px;
}

.footer-col a {
  display: block;
  color: rgba(255,255,255,0.6);
  font-size: 14px;
  padding: 5px 0;
  transition: color 0.2s ease, padding-left 0.2s ease;
}
.footer-col a:hover {
  color: var(--accent-light);
  padding-left: 4px;
}

.footer-share {
  display: flex;
  gap: 12px;
  margin-top: 8px;
}
.footer-share a {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: rgba(255,255,255,0.7);
  padding: 0;
  transition: background 0.2s ease, color 0.2s ease;
}
.footer-share a:hover {
  background: var(--primary-light);
  color: #fff;
  padding-left: 0;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: rgba(255,255,255,0.4);
  flex-wrap: wrap;
  gap: 8px;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .hero-grid {
    flex-direction: column;
    gap: 32px;
  }
  .hero-visual {
    flex: 0 0 100%;
    max-width: 100%;
  }
  .hero-title {
    font-size: 34px;
  }
  .main-nav {
    gap: 16px;
  }
  .search-box {
    width: 180px;
  }
  .search-box.is-focus {
    width: 220px;
  }
  .replay-grid {
    flex-direction: column;
  }
  .faq-grid {
    flex-direction: column;
  }
  .faq-left {
    flex: 0 0 auto;
  }
}

@media (max-width: 768px) {
  .main-nav {
    display: none;
  }
  .quick-actions {
    display: none;
  }
  .search-box {
    display: none;
  }
  .hamburger {
    display: inline-flex;
  }
  .mobile-menu {
    display: block;
  }
  .hero {
    padding: 32px 0 56px;
  }
  .hero-title {
    font-size: 30px;
  }
  .hero-stats {
    gap: 8px;
  }
  .stat-badge {
    padding: 6px 12px;
    font-size: 12px;
  }
  .stat-badge .stat-num {
    font-size: 16px;
  }
  .highlight-card {
    flex-direction: column;
  }
  .highlight-card.reverse {
    flex-direction: column;
  }
  .highlight-thumb {
    flex: 0 0 auto;
    max-width: 100%;
    width: 100%;
  }
  .highlight-thumb img {
    height: 180px;
  }
  .news-row {
    flex-wrap: wrap;
    gap: 12px;
  }
  .news-date-block {
    width: 60px;
  }
  .news-meta {
    flex-direction: row;
    align-items: center;
    width: 100%;
    justify-content: flex-start;
  }
  .subscribe-card {
    padding: 32px 24px;
  }
  .subscribe-form input {
    min-width: 100%;
  }
  .footer-grid {
    flex-wrap: wrap;
  }
  .footer-col {
    flex: 0 0 45%;
  }
  .footer-col.brand {
    flex: 0 0 100%;
    margin-bottom: 16px;
  }
  .cd-card {
    min-width: 80px;
    padding: 16px 12px;
  }
  .cd-card .cd-num {
    font-size: 30px;
  }
}

@media (max-width: 520px) {
  .hero-btns {
    flex-direction: column;
    align-items: stretch;
  }
  .hero-btns .btn-primary,
  .hero-btns .btn-secondary {
    width: 100%;
  }
  .countdown-grid {
    gap: 8px;
  }
  .cd-card {
    min-width: calc(50% - 8px);
  }
  .section-header {
    flex-direction: column;
    gap: 8px;
  }
  .replay-card {
    padding: 24px 20px;
  }
  .footer-col {
    flex: 0 0 100%;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* roulang page: article */
:root {
  --primary: #0B4A5F;
  --primary-light: #12B3C8;
  --accent: #FF6B4A;
  --accent-2: #FF8A5C;
  --bg: #F5F7F8;
  --surface: #FFFFFF;
  --deep: #072A33;
  --text: #1A2B33;
  --text-2: #5A6E77;
  --text-3: #84979F;
  --border: #E3E9EB;
  --success: #12A06B;
  --danger: #D64545;
  --radius-lg: 20px;
  --radius-md: 12px;
  --radius-sm: 10px;
  --shadow: 0 2px 8px rgba(7, 42, 51, 0.06);
  --shadow-hover: 0 8px 24px rgba(7, 42, 51, 0.12);
  --gradient: linear-gradient(135deg, #0B4A5F, #12B3C8);
  --gradient-accent: linear-gradient(135deg, #FF6B4A, #FF8A5C);
  --container: 1200px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color .2s;
}

a:hover {
  color: var(--accent);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid rgba(18, 179, 200, 0.6);
  outline-offset: 2px;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Header / Nav ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  height: 64px;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 20px;
  position: relative;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  transition: opacity .2s;
}

.logo:hover { opacity: .8; }

.logo-mark {
  width: 36px;
  height: 36px;
  background: var(--gradient);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.logo-text {
  font-weight: 700;
  font-size: 20px;
  color: var(--primary);
  white-space: nowrap;
}

.logo-sub {
  font-size: 12px;
  color: var(--text-2);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 2px 8px;
  white-space: nowrap;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 2px;
}

.nav-link {
  display: inline-block;
  padding: 20px 14px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-2);
  position: relative;
  border-bottom: 2px solid transparent;
  transition: color .2s, border-color .2s;
}

.nav-link:hover {
  color: var(--primary);
  border-bottom-color: var(--primary-light);
}

.nav-link.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
  font-weight: 600;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.search-box {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 220px;
  height: 38px;
  background: var(--bg);
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  padding: 0 12px;
  transition: width .25s, border-color .2s, box-shadow .2s;
}

.search-box:focus-within {
  width: 280px;
  border-color: var(--primary-light);
  box-shadow: 0 0 0 2px rgba(18, 179, 200, 0.2);
}

.search-box i {
  font-size: 13px;
  color: var(--text-3);
}

.search-box input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  font-size: 14px;
  color: var(--text);
  min-width: 0;
}

.search-box input::placeholder {
  color: var(--text-3);
}

.search-kbd {
  font-size: 11px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 2px 6px;
  color: var(--text-3);
  white-space: nowrap;
}

.search-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text-2);
  font-size: 15px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

.header-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-2);
  font-size: 15px;
  border: 1px solid transparent;
  transition: background .2s, color .2s;
  cursor: pointer;
  background: transparent;
}

.header-icon:hover {
  background: rgba(18, 179, 200, .08);
  color: var(--primary);
}

.btn-main {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 40px;
  padding: 0 20px;
  background: var(--gradient-accent);
  color: #fff;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 14px;
  border: none;
  cursor: pointer;
  transition: transform .15s, box-shadow .2s, filter .2s;
  line-height: 1;
  white-space: nowrap;
  text-decoration: none;
  font-family: inherit;
}

.btn-main:hover {
  color: #fff;
  transform: translateY(-1px);
  filter: brightness(1.06);
  box-shadow: 0 4px 12px rgba(255, 107, 74, .3);
}

.btn-main:active {
  transform: translateY(0);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding: 0 22px;
  background: #fff;
  color: var(--primary);
  border: 1.5px solid var(--primary);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: background .2s, color .2s, transform .15s;
  line-height: 1;
  font-family: inherit;
  text-decoration: none;
}

.btn-outline:hover {
  background: rgba(18, 179, 200, .06);
  color: var(--primary);
  transform: translateY(-1px);
}

.burger {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: #fff;
  font-size: 16px;
  color: var(--text-2);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  font-family: inherit;
}

/* ===== Article Hero ===== */
.article-hero {
  position: relative;
  padding: 60px 0 44px;
  background:
    linear-gradient(180deg, rgba(234, 244, 246, .95), rgba(245, 247, 248, .98)),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  border-bottom: 1px solid var(--border);
}

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: var(--text-3);
  margin-bottom: 24px;
}

.breadcrumb a {
  color: var(--text-2);
  transition: color .2s;
}

.breadcrumb a:hover {
  color: var(--primary);
}

.breadcrumb .sep {
  color: var(--text-3);
}

.breadcrumb .current {
  color: var(--text-3);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 280px;
}

.article-hero h1 {
  font-size: 36px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text);
  margin-bottom: 16px;
  max-width: 820px;
}

.article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 13px;
  color: var(--text-2);
}

.meta-item {
  display: flex;
  align-items: center;
  gap: 5px;
}


.meta-item i {
  color: var(--text-3);
  font-size: 13px;
}

.meta-tag {
  background: rgba(18, 179, 200, .1);
  color: var(--primary);
  border-radius: 999px;
  padding: 2px 12px;
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
  border: none;
}

/* ===== Article Main ===== */
.article-main {
  padding: 48px 0 56px;
}

.article-card {
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  padding: 48px 56px;
  max-width: 900px;
  margin: 0 auto;
}

.article-body {
  max-width: 680px;
  margin: 0 auto;
  font-size: 15px;
  color: var(--text-2);
}

.article-body h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--text);
  margin: 40px 0 16px;
  line-height: 1.4;
}

.article-body h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--text);
  margin: 32px 0 12px;
  line-height: 1.4;
}

.article-body p {
  margin-bottom: 16px;
  color: var(--text-2);
  line-height: 1.8;
}

.article-body img {
  border-radius: var(--radius-md);
  margin: 20px 0;
  width: auto;
  max-width: 100%;
}

.article-body a {
  color: var(--primary-light);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.article-body a:hover {
  color: var(--accent);
}

.article-body blockquote {
  border-left: 3px solid var(--primary-light);
  background: rgba(18, 179, 200, .06);
  padding: 16px 20px;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 20px 0;
  color: var(--text-2);
}

.article-body blockquote p {
  margin-bottom: 0;
}

.article-body ul,
.article-body ol {
  padding-left: 22px;
  margin-bottom: 16px;
  color: var(--text-2);
}

.article-body li {
  margin-bottom: 6px;
}

.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  font-size: 14px;
}

.article-body th {
  background: rgba(18, 179, 200, .08);
  color: var(--text);
  font-weight: 600;
  text-align: left;
  padding: 10px 14px;
  border: 1px solid var(--border);
}

.article-body td {
  padding: 10px 14px;
  border: 1px solid var(--border);
  color: var(--text-2);
}

.article-body pre {
  background: var(--deep);
  color: #e8f0f1;
  padding: 16px 20px;
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin-bottom: 16px;
  font-size: 14px;
  line-height: 1.6;
}

.article-body code {
  background: rgba(18, 179, 200, .1);
  color: var(--primary);
  font-size: .9em;
  padding: 2px 6px;
  border-radius: 6px;
  font-family: ui-monospace, "SF Mono", "Roboto Mono", monospace;
}

.article-body pre code {
  background: transparent;
  color: inherit;
  padding: 0;
  font-size: 14px;
}

.article-divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 36px 0;
}

.post-tags-share {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  max-width: 680px;
  margin: 32px auto 0;
}

.post-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.post-tag {
  display: inline-block;
  background: var(--bg);
  color: var(--text-2);
  border-radius: 999px;
  padding: 4px 14px;
  font-size: 13px;
  font-weight: 500;
  border: 1px solid var(--border);
  white-space: nowrap;
}

.post-share {
  display: flex;
  gap: 8px;
}

.share-btn {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text-2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  transition: color .2s, border-color .2s, background .2s;
  cursor: pointer;
  text-decoration: none;
}

.share-btn:hover {
  color: var(--primary-light);
  border-color: var(--primary-light);
  background: rgba(18, 179, 200, .06);
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-2);
  font-size: 14px;
  font-weight: 500;
  margin-top: 28px;
  transition: color .2s;
  text-decoration: none;
}

.back-link:hover {
  color: var(--primary);
}

.back-link i {
  font-size: 13px;
}

/* ===== Not Found ===== */
.not-found {
  text-align: center;
  padding: 56px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.not-found i {
  width: 64px;
  height: 64px;
  background: var(--bg);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--primary-light);
}

.not-found h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  margin: 0;
}

.not-found p {
  font-size: 13px;
  color: var(--text-3);
  margin: 0;
}

.not-found .btn-main {
  margin-top: 8px;
}

/* ===== Related ===== */
.related-section {
  padding: 56px 0 64px;
  background: var(--bg);
}

.related-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 32px;
}

.related-header h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--text);
  margin: 0;
}

.view-all {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-2);
  transition: color .2s;
  text-decoration: none;
}

.view-all:hover {
  color: var(--primary);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.related-card {
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: transform .25s, box-shadow .25s;
  display: flex;
  flex-direction: column;
}

.related-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.related-card img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  transition: transform .25s;
}

.related-card:hover img {
  transform: scale(1.03);
}

.related-body {
  padding: 20px 24px 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.related-body h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
  line-height: 1.4;
}

.related-body h3 a {
  color: var(--text);
  text-decoration: none;
  transition: color .2s;
}

.related-body h3 a:hover {
  color: var(--primary-light);
}

.related-body p {
  font-size: 13px;
  color: var(--text-3);
  line-height: 1.6;
  margin-bottom: 16px;
  flex: 1;
}

.related-meta {
  display: flex;
  gap: 14px;
  font-size: 12px;
  color: var(--text-3);
}

.related-meta span {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* ===== CTA Band ===== */
.cta-band {
  padding: 72px 0;
  background: linear-gradient(135deg, var(--deep) 0%, #0d3a44 100%);
  position: relative;
  overflow: hidden;
}

.cta-band::before {
  content: '';
  position: absolute;
  top: -60%;
  right: -20%;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(18, 179, 200, .25), transparent 70%);
  pointer-events: none;
}

.cta-inner {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 1;
}

.cta-inner h2 {
  font-size: 30px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
  line-height: 1.3;
}

.cta-inner p {
  color: rgba(255, 255, 255, .7);
  margin-bottom: 28px;
  font-size: 15px;
  line-height: 1.8;
}

.cta-inner .btn-main {
  font-size: 16px;
  height: 48px;
  padding: 0 30px;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--deep);
  color: rgba(255, 255, 255, .75);
  padding: 64px 0 0;
  font-size: 14px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.footer-logo .logo-mark {
  width: 32px;
  height: 32px;
  background: var(--gradient);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.footer-logo .logo-text {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  white-space: nowrap;
}

.footer-logo .logo-sub {
  font-size: 12px;
  color: rgba(255, 255, 255, .55);
  border: 1px solid rgba(255, 255, 255, .2);
  border-radius: 999px;
  padding: 1px 8px;
  white-space: nowrap;
}

.footer-col p {
  color: rgba(255, 255, 255, .6);
  line-height: 1.75;
  max-width: 360px;
  margin-bottom: 20px;
  font-size: 14px;
}

.footer-share {
  display: flex;
  gap: 10px;
}

.footer-share a {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, .08);
  color: rgba(255, 255, 255, .7);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  transition: background .2s, color .2s;
  text-decoration: none;
}

.footer-share a:hover {
  background: var(--primary-light);
  color: #fff;
}

.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 16px;
}

.footer-col a {
  display: block;
  color: rgba(255, 255, 255, .6);
  padding: 6px 0;
  font-size: 14px;
  transition: color .2s;
  text-decoration: none;
}

.footer-col a:hover {
  color: var(--primary-light);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .1);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, .45);
}

.footer-bottom p {
  margin: 0;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .main-nav { gap: 0; }
  .nav-link { padding: 20px 10px; font-size: 14px; }
  .search-box { width: 180px; }
  .search-box:focus-within { width: 230px; }
  .header-actions { gap: 8px; }
  .footer-grid { gap: 32px; }
}

@media (max-width: 768px) {
  .main-nav {
    position: fixed;
    top: 64px;
    right: -100%;
    width: 280px;
    height: calc(100vh - 64px);
    background: #fff;
    flex-direction: column;
    align-items: flex-start;
    padding: 24px;
    gap: 2px;
    box-shadow: -8px 0 24px rgba(7, 42, 51, .12);
    transition: right .3s ease;
    border-radius: 0 0 0 20px;
    z-index: 999;
    display: flex;
  }

  .main-nav.open {
    right: 0;
  }

  .nav-link {
    display: block;
    width: 100%;
    padding: 14px 10px;
    border-bottom: none;
    border-left: 3px solid transparent;
    font-size: 15px;
  }

  .nav-link:hover {
    border-bottom: none;
    border-left-color: var(--primary-light);
    background: rgba(18, 179, 200, .06);
  }

  .nav-link.active {
    border-left-color: var(--primary);
    border-bottom: none;
    background: rgba(18, 179, 200, .06);
  }

  .search-box {
    display: none;
  }

  .search-box.mobile-open {
    display: flex;
    position: absolute;
    top: 64px;
    left: 16px;
    right: 16px;
    width: auto;
    z-index: 999;
    background: #fff;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-hover);
    height: 42px;
  }

  .search-toggle {
    display: flex;
  }

  .header-icon {
    display: none;
  }

  .burger {
    display: flex;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .related-grid {
    grid-template-columns: 1fr 1fr;
  }

  .article-hero {
    padding: 40px 0 32px;
  }

  .article-hero h1 {
    font-size: 28px;
  }

  .article-card {
    padding: 32px 24px;
  }
}

@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }

  .logo-sub {
    display: none;
  }

  .logo-text {
    font-size: 18px;
  }

  .header-inner {
    gap: 10px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
    padding-bottom: 24px;
  }

  .related-grid {
    grid-template-columns: 1fr;
  }

  .article-card {
    padding: 24px 18px;
  }

  .article-hero h1 {
    font-size: 24px;
  }

  .post-tags-share {
    flex-direction: column;
    align-items: flex-start;
  }

  .breadcrumb {
    font-size: 12px;
  }

  .breadcrumb .current {
    max-width: 160px;
  }

  .cta-inner h2 {
    font-size: 22px;
  }

  .cta-inner p {
    font-size: 14px;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .related-header h2 {
    font-size: 22px;
  }
}

/* roulang page: category1 */
:root{
  --deep-ocean:#0B4A5F;--bright-cyan:#12B3C8;--coral:#FF6B4A;--coral-light:#FF8A5C;
  --brand-gradient:linear-gradient(135deg,#0B4A5F,#12B3C8);
  --coral-gradient:linear-gradient(135deg,#FF6B4A,#FF8A5C);
  --bg-page:#F5F7F8;--bg-card:#fff;--bg-dark:#072A33;
  --text-primary:#1A2B33;--text-secondary:#5A6E77;--text-weak:#84979F;
  --border-color:#E3E9EB;--success:#12A06B;--error:#D64545;
  --radius-lg:20px;--radius-md:12px;--radius-sm:8px;--radius-full:999px;
  --shadow-card:0 2px 8px rgba(7,42,51,.06);
  --shadow-hover:0 8px 24px rgba(7,42,51,.12);
  --font-sans:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-mono:ui-monospace,"SF Mono","Roboto Mono",monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:var(--font-sans);background:var(--bg-page);color:var(--text-primary);line-height:1.75;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--deep-ocean);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--coral)}
button{font-family:inherit;cursor:pointer}
input,textarea{font-family:inherit}
ul,ol{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border-color);height:64px}
.header-inner{height:64px;display:flex;align-items:center;gap:24px;position:relative}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand:hover{opacity:.8}
.logo-mark{width:34px;height:34px;display:flex;align-items:center;justify-content:center;border-radius:10px;background:var(--brand-gradient);flex-shrink:0}
.logo-mark svg{display:block}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.logo-text{font-size:18px;font-weight:700;color:var(--deep-ocean);white-space:nowrap}
.logo-sub{font-size:11px;color:var(--text-weak);letter-spacing:.5px;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:6px;flex:1}
.nav-link{position:relative;padding:8px 14px;font-size:15px;font-weight:500;color:var(--text-secondary);border-radius:8px;transition:color .2s;white-space:nowrap}
.nav-link::after{content:'';position:absolute;left:14px;right:14px;bottom:0;height:2px;border-radius:2px;background:var(--bright-cyan);transform:scaleX(0);transform-origin:center;transition:transform .25s ease}
.nav-link:hover{color:var(--deep-ocean)}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link.active{color:var(--deep-ocean);font-weight:600}
.header-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}
.search-box{display:flex;align-items:center;background:#F2F5F7;border:1px solid transparent;border-radius:10px;padding:0 12px;height:38px;width:220px;transition:width .3s,border-color .2s,box-shadow .2s}
.search-box:focus-within{width:280px;border-color:var(--bright-cyan);box-shadow:0 0 0 2px rgba(18,179,200,.2);background:#fff}
.search-box i{color:var(--text-weak);font-size:14px;margin-right:8px}
.search-box input{border:none;outline:none;background:transparent;flex:1;font-size:13px;color:var(--text-primary);min-width:0}
.search-box input::placeholder{color:var(--text-weak)}
.search-kbd{font-size:11px;color:var(--text-weak);background:#E8EDEF;border-radius:4px;padding:2px 6px;white-space:nowrap}
.icon-btn{width:38px;height:38px;border-radius:10px;border:none;background:#F2F5F7;color:var(--text-secondary);font-size:15px;display:flex;align-items:center;justify-content:center;transition:background .2s,color .2s}
.icon-btn:hover{background:#E0F4F7;color:var(--deep-ocean)}
.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:38px;padding:0 18px;border:none;border-radius:12px;background:var(--coral-gradient);color:#fff;font-size:14px;font-weight:600;text-decoration:none;transition:filter .2s,transform .2s,box-shadow .2s;box-shadow:0 2px 8px rgba(255,107,74,.3);white-space:nowrap}
.btn-primary:hover{color:#fff;filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 4px 12px rgba(255,107,74,.35)}
.btn-primary:active{transform:translateY(1px)}
.btn-outline{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:38px;padding:0 18px;border:1.5px solid var(--deep-ocean);border-radius:12px;background:#fff;color:var(--deep-ocean);font-size:14px;font-weight:600;text-decoration:none;transition:background .2s,transform .2s}
.btn-outline:hover{background:#E0F4F7;color:var(--deep-ocean);transform:translateY(-1px)}
.btn-lg{height:44px;padding:0 24px;font-size:15px;border-radius:14px}
.mobile-toggle{display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--border-color);background:#fff;color:var(--deep-ocean);font-size:18px;align-items:center;justify-content:center}
.cat-hero{background:linear-gradient(rgba(245,247,248,.86),rgba(245,247,248,.94)),url('/assets/images/backpic/back-1.png') center/cover no-repeat;padding:56px 0 64px;border-bottom:1px solid var(--border-color)}
.cat-hero-content{padding-right:12px}
.hero-eyebrow{display:inline-flex;align-items:center;background:#E0F4F7;color:var(--deep-ocean);border-radius:var(--radius-full);padding:4px 14px;font-size:12px;font-weight:700;letter-spacing:.5px;margin-bottom:16px}
.cat-hero h1{font-size:40px;font-weight:700;line-height:1.25;color:var(--deep-ocean);margin-bottom:16px}
.hero-desc{font-size:16px;color:var(--text-secondary);max-width:560px;margin-bottom:28px;line-height:1.8}
.hero-badges{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:28px}
.stat-badge{display:inline-flex;align-items:center;gap:6px;background:var(--brand-gradient);color:#fff;border-radius:var(--radius-full);padding:6px 16px;font-size:13px;font-weight:600}
.stat-badge i{font-size:12px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-visual{position:relative}
.hero-visual img{border-radius:20px;box-shadow:var(--shadow-hover);width:100%;height:280px;object-fit:cover}
.live-badge{position:absolute;top:12px;right:12px;background:var(--coral-gradient);color:#fff;font-size:11px;font-weight:700;padding:4px 12px;border-radius:var(--radius-full);letter-spacing:.5px}
.section{padding:80px 0}
.section-head{max-width:680px;margin-bottom:44px}
.section-head h2{font-size:30px;font-weight:700;color:var(--text-primary);margin-bottom:12px;line-height:1.3}
.section-head p{color:var(--text-secondary);font-size:15px}
.text-block h2{font-size:30px;font-weight:700;color:var(--text-primary);margin-bottom:14px;line-height:1.3}
.text-block .lead{color:var(--text-secondary);font-size:15px;margin-bottom:24px}
.text-block h3{font-size:17px;font-weight:600;color:var(--deep-ocean);margin-bottom:6px}
.step-item{display:flex;gap:14px;margin-bottom:18px;align-items:flex-start}
.step-dot{width:28px;height:28px;border-radius:50%;background:var(--brand-gradient);color:#fff;font-family:var(--font-mono);font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:2px}
.step-item p{font-size:14px;color:var(--text-secondary);line-height:1.7;margin:0}
.step-item strong{color:var(--text-primary);font-weight:600}
.img-block img{border-radius:20px;box-shadow:var(--shadow-card);width:100%;height:300px;object-fit:cover}
.method-card{border:1px solid var(--border-color);border-radius:var(--radius-lg);overflow:hidden;background:#fff;transition:box-shadow .25s,transform .25s;height:100%}
.method-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px)}
.method-card img{width:100%;height:180px;object-fit:cover;transition:transform .3s ease}
.method-card:hover img{transform:scale(1.03)}
.method-card-body{padding:24px}
.method-card-body h3{font-size:17px;margin-bottom:8px;color:var(--text-primary)}
.method-card-body p{font-size:14px;color:var(--text-secondary);line-height:1.7;margin:0}
.method-tag{display:inline-block;font-size:11px;font-weight:600;background:#E0F4F7;color:var(--deep-ocean);border-radius:var(--radius-full);padding:3px 10px;margin-bottom:10px}
.alert-card{background:#E7F7F8;border-radius:16px;padding:24px 32px;display:flex;align-items:center;gap:16px;border-left:3px solid var(--bright-cyan)}
.alert-card i{font-size:24px;color:var(--bright-cyan);flex-shrink:0}
.alert-card p{margin:0;font-size:14px;color:var(--text-secondary);line-height:1.7}
.safety-list li{display:flex;align-items:flex-start;gap:14px;padding:14px 0;border-bottom:1px solid var(--border-color);font-size:15px;color:var(--text-secondary)}
.safety-list li:last-child{border-bottom:none}
.safety-list i{color:var(--success);margin-top:4px;font-size:14px;flex-shrink:0}
.safety-list strong{color:var(--text-primary);display:block;margin-bottom:2px}
.faq-section{background:#fff;border-top:1px solid var(--border-color)}
.faq-intro h2{font-size:30px;margin-bottom:12px;color:var(--text-primary)}
.faq-intro p{font-size:14px;color:var(--text-secondary);margin-bottom:16px}
.faq-intro a{color:var(--deep-ocean);font-weight:600}
.faq-item{border:1px solid var(--border-color);border-radius:var(--radius-md);background:#fff;overflow:hidden;transition:box-shadow .2s}
.faq-item:hover{box-shadow:var(--shadow-card)}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;font-size:15px;font-weight:600;color:var(--text-primary);cursor:pointer;list-style:none;gap:12px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-icon{width:24px;height:24px;border-radius:50%;background:#E8F7F8;color:var(--bright-cyan);display:flex;align-items:center;justify-content:center;font-size:14px;flex-shrink:0;transition:transform .3s ease,background .3s}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:var(--bright-cyan);color:#fff}
.faq-answer{padding:0 20px 18px;font-size:14px;color:var(--text-secondary);line-height:1.75}
.cta-section{padding:80px 0}
.cta-card{background:linear-gradient(135deg,rgba(7,42,51,.95),rgba(11,74,95,.9)),url('/assets/images/backpic/back-2.png') center/cover no-repeat;border-radius:24px;padding:56px 48px;text-align:center;position:relative;overflow:hidden}
.cta-card::before{content:'';position:absolute;top:-40px;right:-40px;width:200px;height:200px;border-radius:50%;background:rgba(18,179,200,.15)}
.cta-card h2{font-size:30px;color:#fff;margin-bottom:12px}
.cta-card p{color:rgba(255,255,255,.8);font-size:15px;margin-bottom:28px}
.cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.cta-actions .btn-primary{height:44px;padding:0 28px;font-size:15px}
.cta-actions .btn-outline-white{display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 28px;border:1.5px solid rgba(255,255,255,.7);border-radius:12px;color:#fff;font-size:15px;font-weight:600;text-decoration:none;transition:background .2s}
.cta-actions .btn-outline-white:hover{background:rgba(255,255,255,.1);color:#fff}
.site-footer{background:var(--bg-dark);color:rgba(255,255,255,.85);padding:56px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;padding-bottom:40px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:600}
.footer-col a{display:block;color:rgba(255,255,255,.7);font-size:14px;padding:5px 0;transition:color .2s}
.footer-col a:hover{color:#fff}
.footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand-text{display:flex;flex-direction:column;line-height:1.2}
.footer-brand-text .logo-text{color:#fff;font-size:18px;font-weight:700}
.footer-brand-text .logo-sub{color:rgba(255,255,255,.5);font-size:11px}
.footer-col.brand p{font-size:14px;line-height:1.7;color:rgba(255,255,255,.7);margin-bottom:20px}
.footer-share{display:flex;gap:10px}
.footer-share a{width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,.1);border-radius:10px;color:rgba(255,255,255,.8);transition:background .2s,color .2s}
.footer-share a:hover{background:var(--bright-cyan);color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.15);padding:20px 0;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,.5);margin:0}
@media(max-width:1024px){
  .search-box{width:160px}
  .search-box:focus-within{width:200px}
  .main-nav .nav-link{padding:8px 10px;font-size:14px}
  .header-actions .icon-btn:nth-of-type(2){display:none}
  .hero-visual img{height:230px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width:768px){
  .container{padding:0 16px}
  .header-inner{gap:12px}
  .main-nav{display:none;position:absolute;top:64px;left:0;right:0;background:#fff;flex-direction:column;padding:16px;border-bottom:1px solid var(--border-color);box-shadow:var(--shadow-hover);align-items:stretch;gap:4px}
  .main-nav.open{display:flex}
  .main-nav .nav-link{font-size:15px;padding:12px 14px}
  .main-nav .nav-link::after{display:none}
  .mobile-toggle{display:flex}
  .header-actions .search-box{display:none;position:absolute;top:64px;left:0;right:0;width:auto;margin:0 16px;background:#F2F5F7;z-index:101}
  .header-actions .search-box.mobile-open{display:flex}
  .cat-hero{padding:40px 0 48px}
  .cat-hero h1{font-size:32px}
  .section{padding:56px 0}
  .section-head h2,.text-block h2{font-size:26px}
  .faq-layout{flex-direction:column}
  .faq-intro{flex:none}
  .cta-card{padding:40px 24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-bottom{flex-direction:column;text-align:center}
}
@media(max-width:520px){
  .cat-hero h1{font-size:28px}
  .hero-desc{font-size:15px}
  .hero-badges{flex-direction:column;align-items:flex-start}
  .hero-actions .btn-primary,.hero-actions .btn-outline{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .alert-card{flex-direction:column;align-items:flex-start;padding:20px}
  .cta-actions .btn-primary,.cta-actions .btn-outline-white{width:100%}
  .btn-primary,.btn-outline{width:100%}
}

/* roulang page: category2 */
:root {
  --deep-sea: #0B4A5F;
  --bright-cyan: #12B3C8;
  --coral: #FF6B4A;
  --coral-light: #FF8A5C;
  --bg-page: #F5F7F8;
  --bg-white: #FFFFFF;
  --bg-dark: #072A33;
  --text-main: #1A2B33;
  --text-sub: #5A6E77;
  --text-light: #84979F;
  --border-color: #E3E9EB;
  --success: #12A06B;
  --warning: #FF8A3C;
  --error: #D64545;
  --radius-large: 20px;
  --radius-medium: 12px;
  --radius-small: 8px;
  --shadow-card: 0 2px 8px rgba(7,42,51,0.06);
  --shadow-hover: 0 8px 24px rgba(7,42,51,0.12);
  --transition-base: 0.25s ease;
  --container-width: 1200px;
  --gradient-brand: linear-gradient(135deg, #0B4A5F, #12B3C8);
  --gradient-coral: linear-gradient(135deg, #FF6B4A, #FF8A5C);
  --spacing-section: 96px;
  --spacing-mobile: 56px;
}
*,
*::before,
*::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background: var(--bg-page);
  color: var(--text-main);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--deep-sea); text-decoration: none; transition: color 0.2s ease; }
a:hover { color: var(--coral); }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea { font-family: inherit; outline: none; }
ul, ol { list-style: none; }
.container { max-width: var(--container-width); margin: 0 auto; padding: 0 24px; }
h1, h2, h3, h4, h5, h6 { color: var(--text-main); line-height: 1.3; font-weight: 700; }

/* ===== Header / Navbar ===== */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  height: 64px;
}
.header-inner { display: flex; align-items: center; height: 64px; }
.header-logo {
  display: flex; align-items: center; gap: 10px;
  flex-shrink: 0; margin-right: 40px;
  transition: opacity 0.2s;
}
.header-logo:hover { opacity: 0.8; }
.logo-mark {
  width: 36px; height: 36px; border-radius: 10px;
  background: var(--gradient-brand);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.logo-mark svg { width: 20px; height: 20px; }
.logo-text { font-size: 18px; font-weight: 800; color: var(--deep-sea); letter-spacing: -0.5px; }
.logo-sub { font-size: 11px; color: var(--text-light); margin-left: -2px; font-weight: 500; }
.header-right { display: flex; align-items: center; gap: 16px; margin-left: auto; }
.nav-links {
  display: flex; align-items: center; gap: 28px;
  list-style: none;
}
.main-nav {
  display: flex; align-items: center; gap: 28px;
  list-style: none;
}
.main-nav .nav-link {
  font-size: 14px; font-weight: 500; color: var(--text-sub);
  padding: 18px 2px 20px;
  position: relative;
  transition: color 0.25s;
}
.main-nav .nav-link::after {
  content: ''; position: absolute; bottom: 0; left: 0;
  width: 100%; height: 2px;
  background: linear-gradient(90deg, var(--deep-sea), var(--bright-cyan));
  border-radius: 2px;
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.3s ease;
}
.main-nav .nav-link:hover { color: var(--deep-sea); }
.main-nav .nav-link:hover::after { transform: scaleX(1); }
.main-nav .nav-link.active { color: var(--deep-sea); font-weight: 700; }
.main-nav .nav-link.active::after { transform: scaleX(1); }
.search-box {
  width: 220px; height: 38px;
  background: #F0F3F5;
  border: 1px solid transparent;
  border-radius: 10px;
  display: flex; align-items: center;
  padding: 0 12px;
  gap: 8px;
  transition: all 0.3s ease;
}
.search-box:focus-within {
  width: 280px;
  border-color: var(--bright-cyan);
  box-shadow: 0 0 0 2px rgba(18, 179, 200, 0.2);
  background: #fff;
}
.search-box i { color: var(--text-light); font-size: 13px; }
.search-box input {
  flex: 1; border: none; background: transparent;
  font-size: 13px; color: var(--text-main);
  outline: none;
}
.search-box input::placeholder { color: var(--text-light); }
.search-kbd {
  font-size: 10px; color: var(--text-light);
  background: #fff; border: 1px solid var(--border-color);
  border-radius: 4px; padding: 2px 5px;
  font-family: ui-monospace, "SF Mono", monospace;
  white-space: nowrap;
}
.header-actions { display: flex; align-items: center; gap: 8px; }
.icon-btn {
  width: 38px; height: 38px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-sub);
  background: transparent;
  transition: all 0.2s;
}
.icon-btn:hover { background: rgba(18, 179, 200, 0.08); color: var(--deep-sea); }
.btn-primary {
  height: 40px; padding: 0 20px;
  background: var(--gradient-coral);
  color: #fff !important;
  font-size: 14px; font-weight: 600;
  border-radius: 12px;
  display: inline-flex; align-items: center; justify-content: center;
  gap: 6px;
  transition: all 0.25s ease;
  box-shadow: 0 2px 8px rgba(255, 107, 74, 0.25);
}
.btn-primary:hover {
  transform: translateY(-1px);
  filter: brightness(1.06);
  box-shadow: 0 4px 16px rgba(255, 107, 74, 0.35);
}
.btn-primary:active { transform: translateY(1px); }
.btn-secondary {
  height: 40px; padding: 0 20px;
  background: #fff;
  border: 1.5px solid var(--deep-sea);
  color: var(--deep-sea);
  font-size: 14px; font-weight: 600;
  border-radius: 12px;
  display: inline-flex; align-items: center; justify-content: center;
  gap: 6px;
  transition: all 0.25s ease;
}
.btn-secondary:hover { background: rgba(18, 179, 200, 0.06); border-color: var(--bright-cyan); color: var(--deep-sea); }
.btn-secondary:active { transform: translateY(1px); }

/* Mobile menu toggle */
.nav-toggle { display: none; }

/* ===== Page Banner / Hero ===== */
.page-banner {
  position: relative;
  background: linear-gradient(135deg, var(--deep-sea) 0%, #0E6780 55%, var(--bright-cyan) 100%);
  padding: 88px 0 96px;
  overflow: hidden;
}
.page-banner::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  background: url('/assets/images/backpic/back-2.png') center / cover no-repeat;
  opacity: 0.16;
}
.page-banner::after {
  content: '';
  position: absolute;
  bottom: -60px; right: -40px;
  width: 300px; height: 300px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.04);
}
.banner-content { position: relative; z-index: 2; text-align: center; }
.banner-tag {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(255, 255, 255, 0.14);
  color: #E8F6F8;
  font-size: 12px; font-weight: 600;
  padding: 6px 16px;
  border-radius: 999px;
  letter-spacing: 1px;
  margin-bottom: 20px;
}
.banner-tag i { font-size: 10px; color: var(--coral-light); }
.page-banner h1 {
  color: #fff;
  font-size: 42px;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 16px;
  line-height: 1.25;
}
.page-banner .banner-desc {
  color: rgba(255, 255, 255, 0.85);
  font-size: 16px;
  max-width: 640px;
  margin: 0 auto 32px;
  line-height: 1.8;
}
.banner-stats {
  display: flex; justify-content: center; gap: 16px;
  flex-wrap: wrap;
}
.stat-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  padding: 10px 20px;
  border-radius: 999px;
  font-size: 13px;
  backdrop-filter: blur(6px);
}
.stat-badge strong {
  font-family: ui-monospace, "SF Mono", "Roboto Mono", monospace;
  font-size: 18px;
  font-weight: 800;
  color: #fff;
}

/* ===== Section common ===== */
.section { padding: var(--spacing-section) 0; }
.section-header {
  margin-bottom: 48px;
  text-align: center;
}
.section-header .sub-title {
  font-size: 13px; font-weight: 600;
  color: var(--bright-cyan);
  text-transform: uppercase;
  letter-spacing: 2px;
  display: block;
  margin-bottom: 12px;
}
.section-header h2 {
  font-size: 32px; font-weight: 800;
  margin-bottom: 12px;
}
.section-header p {
  font-size: 15px; color: var(--text-sub);
  max-width: 600px; margin: 0 auto;
}

/* ===== Feature cards / 活动预告 ===== */
.event-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}
.event-card {
  background: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-large);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: all var(--transition-base);
}
.event-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.event-card .card-media {
  overflow: hidden;
  aspect-ratio: 16/9;
}
.event-card .card-media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
}
.event-card:hover .card-media img { transform: scale(1.03); }
.event-card .card-body { padding: 24px; }
.event-card .card-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  color: var(--bright-cyan);
  background: rgba(18, 179, 200, 0.08);
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 12px;
}
.event-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.4;
}
.event-card p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.7;
  margin-bottom: 16px;
}
.event-card .meta-row {
  display: flex; align-items: center; gap: 16px;
  font-size: 12px;
  color: var(--text-light);
}
.event-card .meta-row i { margin-right: 4px; }

/* ===== 活动流程 ===== */
.steps-section {
  background: var(--bg-dark);
  max-width: 100%;
}
.steps-section .section-header h2 { color: #fff; }
.steps-section .section-header p { color: rgba(255, 255, 255, 0.7); }
.steps-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}
.step-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-large);
  padding: 32px 28px;
  text-align: center;
  transition: all 0.3s ease;
  position: relative;
}
.step-card:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(18, 179, 200, 0.5);
  transform: translateY(-4px);
}
.step-num {
  width: 56px; height: 56px;
  background: var(--gradient-brand);
  border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; font-weight: 800;
  color: #fff;
  margin: 0 auto 20px;
}
.step-card h3 { color: #fff; font-size: 18px; margin-bottom: 10px; }
.step-card p { color: rgba(255, 255, 255, 0.65); font-size: 14px; line-height: 1.7; }
.step-arrow {
  position: absolute;
  right: -12px; top: 50%;
  transform: translateY(-50%);
  color: var(--bright-cyan);
  font-size: 18px;
  z-index: 2;
}

/* ===== 往期回顾 ===== */
.recap-layout {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
}
.recap-left {
  flex: 1 1 45%;
}
.recap-right {
  flex: 1 1 45%;
}
.recap-card {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-medium);
  padding: 20px;
  margin-bottom: 16px;
  transition: all 0.25s;
}
.recap-card:hover {
  box-shadow: var(--shadow-hover);
  border-color: rgba(18, 179, 200, 0.3);
}
.recap-card .date-block {
  text-align: center;
  min-width: 60px;
  padding: 10px 8px;
  background: var(--bg-page);
  border-radius: var(--radius-small);
}
.recap-card .date-block strong {
  font-family: ui-monospace, "SF Mono", monospace;
  font-size: 24px;
  font-weight: 800;
  color: var(--deep-sea);
  display: block;
  line-height: 1.2;
}
.recap-card .date-block span {
  font-size: 11px;
  color: var(--text-light);
  display: block;
}
.recap-info { flex: 1; padding-left: 16px; border-left: 1px solid var(--border-color); }
.recap-info h4 { font-size: 15px; font-weight: 600; margin-bottom: 4px; }
.recap-info p { font-size: 13px; color: var(--text-sub); line-height: 1.6; margin-bottom: 6px; }
.recap-info .recap-meta { font-size: 11px; color: var(--text-light); }
.recap-info .recap-meta i { margin-right: 3px; color: var(--bright-cyan); }

/* ===== 看点解析 ===== */
.insight-block {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  align-items: center;
  margin-bottom: 56px;
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-large);
  padding: 32px;
  box-shadow: var(--shadow-card);
}
.insight-block:last-child { margin-bottom: 0; }
.insight-block:nth-child(even) { flex-direction: row-reverse; }
.insight-media {
  flex: 0 0 42%;
  border-radius: 16px;
  overflow: hidden;
  position: relative;
}
.insight-media img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}
.insight-content { flex: 1; padding: 0 16px; }
.insight-content .insight-tag {
  font-size: 11px; font-weight: 700;
  color: var(--coral);
  background: rgba(255, 107, 74, 0.08);
  padding: 4px 12px;
  border-radius: 999px;
  display: inline-block;
  margin-bottom: 12px;
}
.insight-content h3 { font-size: 24px; font-weight: 700; margin-bottom: 12px; line-height: 1.4; }
.insight-content p { font-size: 14px; color: var(--text-sub); line-height: 1.8; margin-bottom: 16px; }
.insight-points { margin-top: 16px; }
.insight-points li {
  font-size: 14px; color: var(--text-main);
  padding: 8px 0;
  display: flex; align-items: flex-start; gap: 10px;
  border-bottom: 1px dashed var(--border-color);
}
.insight-points li:last-child { border-bottom: none; }
.insight-points i { color: var(--bright-cyan); margin-top: 4px; font-size: 12px; }

/* ===== 提示卡 ===== */
.tip-callout {
  background: rgba(18, 179, 200, 0.06);
  border: 1px solid rgba(18, 179, 200, 0.2);
  border-radius: 16px;
  padding: 32px;
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  margin: 64px 0;
}
.tip-callout .tip-icon {
  width: 64px; height: 64px;
  background: var(--gradient-brand);
  border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 24px;
  flex-shrink: 0;
}
.tip-callout .tip-text { flex: 1; }
.tip-callout .tip-text h4 { font-size: 18px; font-weight: 700; margin-bottom: 6px; }
.tip-callout .tip-text p { font-size: 14px; color: var(--text-sub); line-height: 1.7; margin: 0; }
.tip-callout .tip-btn { flex-shrink: 0; }

/* ===== FAQ ===== */
.faq-section {
  background: #fff;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}
.faq-layout {
  display: flex;
  flex-wrap: wrap;
  gap: 48px;
}
.faq-left {
  flex: 0 0 32%;
}
.faq-left h2 { font-size: 28px; font-weight: 800; margin-bottom: 12px; }
.faq-left p { font-size: 14px; color: var(--text-sub); line-height: 1.7; margin-bottom: 16px; }
.faq-contact {
  font-size: 14px; color: var(--deep-sea);
  display: inline-flex; align-items: center; gap: 8px;
  font-weight: 600;
}
.faq-contact:hover { color: var(--coral); }
.faq-right { flex: 1; min-width: 0; }
.faq-item {
  border: 1px solid var(--border-color);
  border-radius: 12px;
  margin-bottom: 12px;
  overflow: hidden;
  transition: all 0.25s ease;
}
.faq-item:hover { border-color: rgba(18, 179, 200, 0.4); box-shadow: 0 2px 8px rgba(7, 42, 51, 0.04); }
.faq-item .faq-q {
  font-size: 15px; font-weight: 600;
  color: var(--text-main);
  padding: 18px 20px;
  display: flex; justify-content: space-between; align-items: center;
  cursor: pointer;
  background: #fff;
  transition: background 0.25s;
  width: 100%;
  text-align: left;
}
.faq-item .faq-q:hover { background: rgba(18, 179, 200, 0.02); }
.faq-item .faq-q .plus-icon {
  font-size: 16px;
  color: var(--text-light);
  transition: transform 0.3s, color 0.3s;
}
.faq-item .faq-q:hover .plus-icon { color: var(--bright-cyan); }
.faq-item.is-active .faq-q { background: rgba(18, 179, 200, 0.04); }
.faq-item.is-active .faq-q .plus-icon { transform: rotate(45deg); color: var(--bright-cyan); }
.faq-item .faq-a {
  display: none;
  padding: 4px 20px 20px;
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.8;
  background: rgba(18, 179, 200, 0.02);
}

/* ===== CTA ===== */
.cta-section {
  background: var(--gradient-brand);
  padding: 80px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: -30px; right: -30px;
  width: 180px; height: 180px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
}
.cta-section::after {
  content: '';
  position: absolute;
  bottom: -50px; left: -20px;
  width: 220px; height: 220px;
  border-radius: 50%;
  background: rgba(255, 107, 74, 0.12);
}
.cta-content { position: relative; z-index: 2; }
.cta-content h2 { color: #fff; font-size: 32px; font-weight: 800; margin-bottom: 14px; }
.cta-content p { color: rgba(255, 255, 255, 0.85); font-size: 15px; margin-bottom: 28px; max-width: 560px; margin-left: auto; margin-right: auto; }
.cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn-white {
  height: 46px; padding: 0 28px;
  background: #fff;
  color: var(--deep-sea) !important;
  font-size: 15px; font-weight: 700;
  border-radius: 12px;
  display: inline-flex; align-items: center; gap: 8px;
  transition: all 0.25s ease;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}
.btn-white:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18); color: var(--deep-sea); }
.btn-ghost-light {
  height: 46px; padding: 0 28px;
  background: transparent;
  border: 1.5px solid rgba(255, 255, 255, 0.6);
  color: #fff !important;
  font-size: 15px; font-weight: 600;
  border-radius: 12px;
  display: inline-flex; align-items: center; gap: 8px;
  transition: all 0.25s ease;
}
.btn-ghost-light:hover { background: rgba(255, 255, 255, 0.1); border-color: #fff; }

/* ===== Footer ===== */
.site-footer {
  background: var(--bg-dark);
  color: rgba(255, 255, 255, 0.7);
  padding-top: 60px;
  padding-bottom: 24px;
}
.footer-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-bottom: 48px;
}
.footer-col {
  flex: 1 1 220px;
}
.footer-col.brand { flex: 1.4 1 320px; }
.footer-logo {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 16px;
}
.logo-mark { background: var(--gradient-brand); }
.logo-text { color: #fff; font-size: 18px; font-weight: 800; }
.logo-sub {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.08);
  padding: 2px 8px;
  border-radius: 999px;
}
.footer-col.brand p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.8;
  margin: 16px 0;
  max-width: 320px;
}
.footer-share { display: flex; gap: 10px; }
.footer-share a {
  width: 36px; height: 36px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
  transition: all 0.25s;
}
.footer-share a:hover {
  background: var(--bright-cyan);
  color: #fff;
  transform: translateY(-2px);
}
.footer-col h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 20px;
}
.footer-col a {
  display: block;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
  padding: 5px 0;
  transition: all 0.2s;
}
.footer-col a:hover { color: var(--bright-cyan); padding-left: 4px; }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap;
  padding-top: 24px;
  gap: 8px;
}
.footer-bottom p {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.35);
  margin: 0;
}

/* ===== 响应式 ===== */
@media screen and (max-width: 1024px) {
  .header-inner { flex-wrap: wrap; }
  .nav-links { display: none; }
  .nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px; height: 40px;
    border-radius: 10px;
    color: var(--text-sub);
  }
  .nav-toggle:hover { background: rgba(18, 179, 200, 0.08); }
  .search-box { display: none; }
  .page-banner { padding-top: 60px; padding-bottom: 72px; }
  .page-banner h1 { font-size: 34px; }
  .section { padding-bottom: var(--spacing-mobile); }
  .steps-grid .step-arrow { display: none; }
  .insight-block { padding: 24px; gap: 24px; }
  .insight-media { flex: 0 0 45%; }
}
@media screen and (max-width: 640px) {
  .header-logo { margin-right: 0; }
  .logo-sub { display: none; }
  .header-right { gap: 8px; }
  .btn-primary { padding: 0 14px; font-size: 13px; }
  .icon-btn.hide-sm { display: none; }
  .mobile-menu-open .nav-links {
    display: block;
    position: fixed;
    top: 64px; right: 0;
    width: 280px;
    background: #fff;
    border-radius: 0 0 0 20px;
    box-shadow: -8px 8px 30px rgba(0, 0, 0, 0.08);
    padding: 24px;
    z-index: 99;
  }
  .mobile-menu-open .nav-links .main-nav { flex-direction: column; align-items: flex-start; gap: 16px; }
  .mobile-menu-open .nav-links .nav-link { padding: 8px 0; font-size: 15px; }
  .page-banner { padding-top: 56px; padding-bottom: 64px; }
  .page-banner h1 { font-size: 30px; }
  .page-banner .banner-desc { font-size: 14px; }
  .section-header { margin-bottom: 32px; }
  .section-header h2 { font-size: 26px; }
  .event-card .card-body { padding: 20px; }
  .steps-grid { flex-direction: column; }
  .step-card { padding: 24px; }
  .recap-layout { flex-direction: column; gap: 24px; }
  .insight-block { flex-direction: column !important; padding: 20px; }
  .insight-media { flex: 1 1 auto; width: 100%; }
  .insight-content { padding: 0; }
  .faq-layout { flex-direction: column; gap: 24px; }
  .cta-content h2 { font-size: 26px; }
  .cta-buttons .btn-ghost-light, .cta-buttons .btn-white { width: 100%; justify-content: center; }
  .tip-callout { flex-direction: column; padding: 24px; text-align: center; }
  .tip-callout .tip-btn { width: 100%; }
  .footer-grid { flex-direction: column; gap: 32px; }
}