/* roulang page: index */
:root {
  --bg-page: #F3F7FA;
  --card-bg: #FFFFFF;
  --brand-primary: #0F6B9F;
  --brand-primary-dark: #0C5377;
  --navy: #123247;
  --text-primary: #18303E;
  --text-muted: #5A7180;
  --border-light: #E3EBF0;
  --accent-amber: #B45309;
  --success-green: #0E7A64;
  --alert-red: #BC4A55;
  --radius-card: 16px;
  --radius-btn: 12px;
  --radius-input: 10px;
  --shadow-card: 0 12px 30px rgba(15, 107, 159, 0.1);
  --shadow-hover: 0 18px 36px rgba(15, 107, 159, 0.16);
  --transition-base: all 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", system-ui, sans-serif;
  background: var(--bg-page);
  color: var(--text-primary);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition-base); }
ul, ol { list-style: none; }
button, input, textarea { font-family: inherit; }
input, textarea { color: var(--text-primary); }

.container { max-width: 1200px; padding-left: 24px; padding-right: 24px; }
.wrap { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

h1, h2, h3, h4 { line-height: 1.3; color: var(--text-primary); }

:focus-visible {
  outline: 3px solid rgba(15, 107, 159, 0.35);
  outline-offset: 2px;
  border-radius: 6px;
}

/* ===== 顶部导航 ===== */
.site-header {
  background: var(--navy);
  position: sticky;
  top: 0;
  z-index: 1040;
  box-shadow: 0 4px 18px rgba(18, 50, 71, 0.18);
}

.navbar-custom {
  padding-top: 14px;
  padding-bottom: 14px;
  background: transparent;
  min-height: 72px;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 20px;
  font-weight: 800;
  color: #fff;
  letter-spacing: 0.3px;
}
.brand-logo .logo-dots {
  display: inline-flex;
  gap: 4px;
}
.brand-logo .logo-dots i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}
.brand-logo .dot-1 { background: #2DAAE2; }
.brand-logo .dot-2 { background: #18B89A; }
.brand-logo .dot-3 { background: #F2B04C; }

.main-nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 0 auto;
}

.main-nav-links .nav-link-item {
  padding: 8px 18px;
  border-radius: 100px;
  color: rgba(255,255,255,0.78);
  font-weight: 500;
  font-size: 15px;
  transition: var(--transition-base);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.main-nav-links .nav-link-item:hover,
.main-nav-links .nav-link-item:focus {
  color: #fff;
  background: rgba(255,255,255,0.12);
}

.main-nav-links .nav-link-item.active {
  color: #fff;
  background: rgba(255,255,255,0.18);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.2);
}

.header-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--brand-primary);
  color: #fff;
  font-weight: 600;
  padding: 10px 22px;
  border-radius: var(--radius-btn);
  border: 1px solid rgba(255,255,255,0.12);
  min-height: 44px;
  transition: var(--transition-base);
}
.header-cta-btn:hover, .header-cta-btn:focus {
  background: var(--brand-primary-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(15, 107, 159, 0.3);
}

.navbar-toggler {
  border-color: rgba(255,255,255,0.5);
  padding: 6px 12px;
}
.navbar-toggler:focus { box-shadow: 0 0 0 3px rgba(255,255,255,0.15); }
.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 0.8%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

.mobile-nav-container {
  padding: 12px 20px 18px;
}
.mobile-nav-container .btn-mobile-cta {
  display: block;
  text-align: center;
  padding: 12px;
  border-radius: var(--radius-btn);
  font-weight: 600;
}

.mobile-main-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 16px;
}
.mobile-main-nav a {
  color: rgba(255,255,255,0.85);
  padding: 10px 12px;
  border-radius: 10px;
}
.mobile-main-nav a.active { background: rgba(255,255,255,0.15); color: #fff; }
.mobile-main-nav a:hover { background: rgba(255,255,255,0.09); }

/* ===== 倒计时条 ===== */
.notice-ticker {
  background: #EDF4F8;
  border-top: 1px solid #d8e4eb;
  border-bottom: 1px solid #d8e4eb;
  padding: 10px 0;
  position: relative;
  z-index: 1;
}
.notice-ticker-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.ticker-label {
  display: inline-flex;
  align-items: center;
  background: #fff;
  border-radius: 100px;
  padding: 5px 14px;
  font-size: 14px;
  font-weight: 600;
  color: var(--brand-primary);
  border: 1px solid #D4E4EE;
  gap: 6px;
  white-space: nowrap;
}
.ticker-msg {
  font-size: 15px;
  color: var(--text-primary);
  flex: 1;
  min-width: 200px;
}
.ticker-clock {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.ticker-clock .time-box {
  background: #fff;
  border-radius: 8px;
  padding: 2px 8px;
  min-width: 42px;
  text-align: center;
  box-shadow: 0 2px 8px rgba(15, 107, 159, 0.1);
}
.ticker-clock .time-box .num {
  display: block;
  font-size: 18px;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.3;
  font-variant-numeric: tabular-nums;
}
.ticker-clock .time-box .unit {
  display: block;
  font-size: 12px;
  color: var(--text-muted);
}
.ticker-clock .time-span {
  color: var(--accent-amber);
  font-weight: 600;
  font-size: 17px;
  padding: 0 4px;
}

/* ===== 首屏活动卖点 Hero ===== */
.section-hero {
  padding: 70px 0 60px;
  background: var(--bg-page);
  position: relative;
  overflow: hidden;
}
.section-hero::before {
  content: "";
  position: absolute;
  width: 380px;
  height: 380px;
  right: -80px;
  top: -60px;
  background-image: radial-gradient(#BBD9EA 1px, transparent 1px);
  background-size: 20px 20px;
  opacity: 0.5;
  pointer-events: none;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  padding: 8px 18px;
  border-radius: 100px;
  border: 1px solid var(--border-light);
  font-size: 14px;
  font-weight: 600;
  color: var(--brand-primary);
  margin-bottom: 22px;
  box-shadow: 0 4px 12px rgba(15,107,159,0.06);
}
.hero-badge .pulse-dot {
  width: 7px;
  height: 7px;
  background: var(--success-green);
  border-radius: 50%;
  position: relative;
}
.hero-badge .pulse-dot::after {
  content:'';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid rgba(14, 122, 100, 0.35);
  animation: pulse-ring 2s infinite;
}
@keyframes pulse-ring {
  0% { transform: scale(0.7); opacity: 1; }
  100% { transform: scale(1.4); opacity: 0; }
}

.hero-title {
  font-size: 40px;
  font-weight: 800;
  letter-spacing: 0.5px;
  margin: 0 0 18px;
  color: var(--text-primary);
  line-height: 1.3;
}
.hero-title .color-accent { color: var(--brand-primary); }

.hero-lead {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.9;
  max-width: 500px;
  margin-bottom: 28px;
}

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 32px;
}
.btn-primary-main {
  background: var(--brand-primary);
  border: 1px solid var(--brand-primary);
  padding: 12px 28px;
  border-radius: var(--radius-btn);
  font-weight: 600;
  color: #fff;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition-base);
  font-size: 16px;
}
.btn-primary-main:hover, .btn-primary-main:focus {
  background: var(--brand-primary-dark);
  border-color: var(--brand-primary-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(15,107,159,0.3);
}

.btn-outline-main {
  background: #fff;
  border: 1px solid #CDDEEA;
  padding: 12px 24px;
  border-radius: var(--radius-btn);
  font-weight: 600;
  color: var(--brand-primary);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition-base);
}
.btn-outline-main:hover, .btn-outline-main:focus {
  background: var(--bg-page);
  border-color: var(--brand-primary);
  color: var(--brand-primary-dark);
  transform: translateY(-2px);
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  padding-top: 12px;
  border-top: 1px solid #E1EAEF;
}
.stat-item {
  display: flex;
  flex-direction: column;
}
.stat-item .stat-num {
  font-size: 24px;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
}
.stat-item .stat-label {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 2px;
}
.stat-item .stat-num .plus { color: var(--brand-primary); }

.hero-media-block {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 22px 48px rgba(18, 50, 71, 0.16);
  background: var(--navy);
}
.hero-media-block img {
  width: 100%;
  height: 460px;
  object-fit: cover;
  transition: transform 0.7s ease;
}
.hero-media-block:hover img { transform: scale(1.02); }
.hero-media-overlay {
  position: absolute;
  left: 0; right: 0;
  bottom: 0;
  padding: 30px 26px;
  background: linear-gradient(0deg, rgba(18,50,71,0.88), rgba(18,50,71,0.1));
  color: #fff;
}
.hero-media-overlay h3 {
  margin-bottom: 6px;
  font-weight: 700;
  font-size: 20px;
  color:#fff;
}
.hero-media-overlay p {
  margin: 0;
  font-size: 14px;
  opacity: 0.9;
}

/* ===== 交错卖点 ===== */
.section-milestone {
  padding: 80px 0;
  background: #fff;
}
.section-head-center {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 50px;
}
.section-subtitle {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: var(--brand-primary);
  margin-bottom: 12px;
  letter-spacing: 1px;
}
.section-title {
  font-size: 31px;
  font-weight: 800;
  margin-bottom: 14px;
  line-height: 1.3;
}
.section-desc {
  color: var(--text-muted);
  font-size: 15px;
}
.feature-row {
  display: flex;
  align-items: center;
  gap: 56px;
  padding: 28px 0 10px;
}
.feature-row.reverse {
  flex-direction: row-reverse;
}
.feature-media {
  flex: 0 0 46%;
  border-radius: 20px;
  overflow: hidden;
  background: #EBF2F7;
  box-shadow: var(--shadow-card);
}
.feature-media img {
  width: 100%;
  height: 330px;
  object-fit: cover;
}
.feature-content {
  flex: 1;
}
.feature-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--brand-primary);
  color: #fff;
  width: 38px;
  height: 38px;
  font-weight: 700;
  font-size: 16px;
  border-radius: 10px;
  margin-bottom: 16px;
}
.feature-number.amber { background: var(--accent-amber); }
.feature-number.teal { background: var(--success-green); }
.feature-content h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 10px;
}
.feature-content p {
  color: var(--text-muted);
  font-size: 15px;
  margin-bottom: 18px;
  line-height: 1.85;
}
.feature-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  color: var(--brand-primary);
  border-bottom: 1px solid transparent;
}
.feature-link:hover { color: var(--brand-primary-dark); border-bottom-color: currentColor; }

/* ===== 分类标签卡片区 ===== */
.section-categories {
  padding: 80px 0;
  background: var(--bg-page);
}
.channel-card {
  background: #fff;
  border-radius: var(--radius-card);
  border: 1px solid var(--border-light);
  padding: 30px 26px;
  height: 100%;
  transition: var(--transition-base);
  box-shadow: 0 8px 24px rgba(15, 107, 159, 0.05);
  display: flex;
  flex-direction: column;
}
.channel-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}
.channel-card .channel-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #EAF2F8;
  color: var(--brand-primary);
  font-size: 22px;
  margin-bottom: 18px;
}
.channel-card h3 {
  font-size: 20px;
  font-weight: 700;
}
.channel-card p {
  color: var(--text-muted);
  font-size: 14px;
  margin-top: 6px;
  flex: 1;
}
.channel-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 14px;
}
.badge-soft {
  background: #EDF3F8;
  color: var(--brand-primary);
  padding: 3px 10px;
  border-radius: 30px;
  font-size: 12px;
  font-weight: 500;
  border: 1px solid #D6E6F0;
}
.channel-card .card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  font-weight: 600;
  color: var(--brand-primary);
  font-size: 15px;
}
.channel-card .card-link:hover { color: var(--brand-primary-dark); text-decoration: underline; }

/* ===== 亮点图墙 ===== */
.section-gallery {
  padding: 80px 0;
  background: #fff;
  position: relative;
}
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 190px;
  gap: 16px;
}
.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: 16px;
  background: var(--navy);
  box-shadow: 0 6px 18px rgba(18,50,71,0.12);
}
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
  opacity: 0.9;
}
.gallery-item:hover img {
  transform: scale(1.06);
  opacity: 1;
}
.gallery-item .gallery-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  background: rgba(255,255,255,0.92);
  color: var(--text-primary);
  border-radius: 100px;
  padding: 3px 12px;
  font-size: 12px;
  font-weight: 600;
  backdrop-filter: none;
}
.gallery-item .gallery-info {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 16px;
  color: #fff;
  background: linear-gradient(0deg, rgba(0,0,0,0.5), transparent);
}
.gallery-item .gallery-info h4 {
  color: #fff;
  font-size: 17px;
  font-weight: 600;
  margin: 0;
}
.gallery-item.tall { grid-row: span 2; }
.gallery-item.wide-x2 { grid-column: span 2; }
.gallery-item.tall-wide { grid-row: span 2; grid-column: span 2; }
.gallery-main { grid-column: span 2; grid-row: span 2; }

/* ===== CTA 报名 ===== */
.section-register {
  padding: 80px 0;
  background: #fff;
}
.register-box {
  background: var(--navy);
  border-radius: 24px;
  padding: 48px;
  color: #fff;
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  box-shadow: 0 20px 60px rgba(18, 50, 71, 0.2);
}
.register-left {
  flex: 1 1 38%;
  display: flex;
  flex-direction: column;
}
.register-left h2 {
  font-size: 30px;
  font-weight: 800;
  color: #fff;
  line-height: 1.4;
  margin-bottom: 14px;
}
.register-left p {
  color: rgba(255,255,255,0.8);
  margin-bottom: 20px;
}
.register-tip-item {
  display: flex;
  gap: 10px;
  color: rgba(255,255,255,0.9);
  font-size: 14px;
  margin-top: 12px;
}
.register-tip-item .fa-check {
  color: #54D1B0;
  margin-top: 3px;
}
.register-right {
  flex: 1 1 46%;
  background: rgba(255,255,255,0.15);
  border-radius: 20px;
  padding: 32px;
  backdrop-filter: none;
}
.register-right h4 {
  color:#fff;
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 20px;
}
.register-form .form-group {
  margin-bottom: 20px;
}
.register-form .form-label {
  color: rgba(255,255,255,0.82);
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 6px;
}
.register-form .form-control {
  width: 100%;
  background: #fff;
  border: 1px solid transparent;
  border-radius: var(--radius-input);
  font-size: 15px;
  padding: 12px 16px;
  height: 50px;
  color: var(--text-primary);
  transition: var(--transition-base);
}
.register-form textarea.form-control {
  height: auto;
  min-height: 100px;
  resize: vertical;
}
.register-form .form-control:focus {
  border-color: #1990C8;
  box-shadow: 0 0 0 4px rgba(25, 144, 200, 0.2);
  outline: none;
}
.register-form .btn-submit {
  width: 100%;
  background: var(--accent-amber);
  border: none;
  color: #fff;
  font-weight: 700;
  font-size: 16px;
  padding: 14px;
  border-radius: var(--radius-btn);
  transition: var(--transition-base);
  cursor: pointer;
}
.register-form .btn-submit:hover {
  background: #974A09;
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(180, 83, 9, 0.4);
}
.form-agree {
  color: rgba(255,255,255,0.68) !important;
  font-size: 13px;
  margin-top: 14px;
  text-align: center;
  display: block;
}

/* ===== FAQ ===== */
.section-faq {
  padding: 80px 0;
  background: var(--bg-page);
}
.faq-layout {
  display: flex;
  gap: 56px;
}
.faq-intro {
  flex: 0 0 32%;
}
.faq-intro h2 {
  font-size: 30px;
  font-weight: 800;
}
.faq-intro p {
  color: var(--text-muted);
  margin-top: 12px;
  font-size: 15px;
}
.faq-intro .faq-tip-box {
  background: #fff;
  border: 1px solid var(--border-light);
  border-radius: 16px;
  padding: 18px;
  margin-top: 24px;
}
.faq-intro .faq-tip-box strong {
  color: var(--brand-primary);
}
.faq-intro .faq-tip-box span {
  display: block;
  margin-top: 8px;
  color: var(--text-muted);
  font-size: 14px;
}
.faq-list {
  flex: 1;
}
.faq-accordion-item {
  background: #fff;
  border: 1px solid var(--border-light);
  border-radius: 16px;
  margin-bottom: 12px;
  overflow: hidden;
  transition: box-shadow 0.3s ease;
}
.faq-accordion-item.active {
  box-shadow: var(--shadow-card);
  border-color: #C7DFEC;
}
.faq-question-btn {
  display: flex;
  align-items: center;
  gap: 14px;
  background: transparent;
  border: none;
  width: 100%;
  padding: 22px 22px 22px 20px;
  text-align: left;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  color: var(--text-primary);
  transition: background 0.3s;
}
.faq-question-btn:hover {
  background: #F8FBFD;
}
.faq-q-index {
  flex: 0 0 32px;
  height: 32px;
  background: #E8F1F7;
  border-radius: 8px;
  color: var(--brand-primary);
  font-size: 14px;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.faq-question-btn .faq-title {
  flex: 1;
}
.faq-icon-chevron {
  width: 20px;
  color: var(--text-muted);
  transition: transform 0.3s;
  text-align:center;
}
.faq-accordion-item.active .faq-icon-chevron {
  transform: rotate(180deg);
  color: var(--brand-primary);
}
.faq-answer {
  display: none;
  padding: 0 48px 22px 66px;
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.9;
}
.faq-accordion-item.active .faq-answer {
  display: block;
}

/* ===== 最新资讯 CMS ===== */
.section-latest {
  padding: 80px 0;
  background: #fff;
}
.latest-main-card {
  background: var(--bg-page);
  border-radius: 20px;
  overflow: hidden;
  height: 100%;
  box-shadow: 0 8px 24px rgba(15,107,159,0.06);
}
.latest-main-card .media-box {
  height: 240px;
  overflow: hidden;
  background: #DCE8F0;
}
.latest-main-card .media-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.latest-main-card .content-box {
  padding: 24px;
}
.latest-main-card .post-meta {
  display: flex;
  align-items: center;
  margin-bottom: 8px;
}
.badge-cat {
  background: var(--brand-primary);
  color: #fff;
  padding: 3px 10px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
}
.badge-cat.green { background: var(--success-green); }
.badge-cat.amber { background: var(--accent-amber); }
.post-date {
  color: var(--text-muted);
  font-size: 13px;
  margin-left: 10px;
}
.latest-main-card h3 {
  font-size: 21px;
  font-weight: 700;
}
.latest-main-card p {
  color: var(--text-muted);
  font-size: 15px;
  margin-top: 8px;
}
.latest-list-side {
  background: #fff;
  border: 1px solid var(--border-light);
  border-radius: 18px;
  padding: 5px 0;
}
.latest-side-item {
  display: flex;
  gap: 16px;
  padding: 18px 22px;
  border-bottom: 1px solid #F0F5F8;
  transition: background 0.2s;
}
.latest-side-item:last-child { border-bottom: 0; }
.latest-side-item:hover { background: #F7FAFD; }
.latest-side-item.no-data-hide { display:none; }
.side-thumb {
  width: 84px;
  height: 64px;
  border-radius: 10px;
  overflow: hidden;
  flex: 0 0 84px;
  background: #DFEAF1;
}
.side-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.side-main {
  flex: 1;
  min-width: 0;
}
.side-main .post-meta-side {
  display:flex;
  align-items:center;
  gap:8px;
  margin-bottom:4px;
}
.side-main h4 {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.45;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  margin:0;
  color: var(--text-primary);
}
.side-main h4 a:hover {
  color: var(--brand-primary);
}
.side-excerpt {
  font-size: 13px;
  color: var(--text-muted);
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  margin-top: 2px;
}
.empty-latest {
  background: #F7FBFF;
  border: 2px dashed #C5DBE8;
  border-radius: 16px;
  padding: 36px 20px;
  text-align: center;
  color: var(--text-muted);
}
.empty-latest .empty-icon {
  display: flex;
  justify-content: center;
  margin-bottom: 8px;
  font-size: 36px;
  color: #9CC2D8;
}

/* ===== CTA strip ===== */
.section-cta-bottom {
  padding: 70px 0;
  background: var(--bg-page);
}
.cta-bottom-card {
  background: linear-gradient(130deg, #0E3A5A 0%, var(--navy) 100%);
  border-radius: 24px;
  padding: 40px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 30px;
}
.cta-bottom-card h2 {
  color: #fff;
  font-weight: 700;
  font-size: 28px;
  margin-bottom: 6px;
}
.cta-bottom-card p {
  color: rgba(255,255,255,0.8);
  margin: 0;
}
.cta-bottom-card .btn-white {
  background: #fff;
  color: var(--navy);
  padding: 14px 32px;
  border-radius: var(--radius-btn);
  font-weight: 700;
  transition: var(--transition-base);
  border: none;
}
.cta-bottom-card .btn-white:hover {
  background: var(--accent-amber);
  color: #fff;
  transform: translateY(-2px);
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--navy);
  color: rgba(255,255,255,0.72);
  padding-top: 64px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}
.footer-brand .brand-logo {
  font-size: 23px;
  margin-bottom: 8px;
}
.footer-desc {
  font-size: 14px;
  margin-top: 16px;
  line-height: 1.9;
  max-width: 320px;
}
.footer-title {
  font-size: 17px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 18px;
}
.footer-links li {
  margin-bottom: 10px;
}
.footer-links a {
  display: inline-block;
  color: rgba(255,255,255,0.66);
  font-size: 15px;
}
.footer-links a:hover {
  color:#fff;
  padding-left: 6px;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 13px;
  color: rgba(255,255,255,0.5);
}
.footer-bottom .site-domain-copyright a {
  color: rgba(255,255,255,0.5);
}
.footer-bottom .site-domain-copyright a:hover {
  color: #fff;
}

/* ===== 响应式 ===== */
@media (min-width: 1200px) {
  .hero-title { font-size: 40px; }
}

@media (max-width: 991.98px) {
  .main-nav-links { display: flex; flex-direction: column; align-items: stretch; }
  .header-cta-btn { margin-top: 10px; }
  .section-hero { padding: 60px 0 55px; }
  .hero-title { font-size: 34px; }
  .hero-media-block img { height: 350px; }
  .feature-row, .feature-row.reverse {
    flex-direction: column;
    gap: 30px;
  }
  .feature-media { flex: none; width: 100%; }
  .feature-media img { height: 280px; }
  .feature-content { padding: 0 8px; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 170px; }
  .gallery-main { grid-column: span 2; grid-row: span 2; }
  .register-box { padding: 36px; }
  .faq-layout { flex-direction: column; gap: 32px; }
  .faq-intro { flex: none; width: 100%; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 767.98px) {
  body { font-size: 15px; }
  .section-hero, .section-milestone, .section-categories, .section-gallery, .section-register, .section-faq, .section-latest, .section-cta-bottom { padding: 50px 0; }
  .hero-title { font-size: 30px; }
  .section-title { font-size: 25px; }
  .register-box { padding: 24px; }
  .register-right { padding: 22px; }
  .gallery-grid { grid-auto-rows: 130px; }
  .gallery-item.tall, .gallery-item.tall-wide { grid-row: span 1; }
  .gallery-main { grid-column: span 2; grid-row: span 2; }
  .cta-bottom-card { padding: 30px 26px; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; text-align: left; }
  .footer-brand .footer-desc { max-width: 100%; }
  .navbar .container { flex-wrap: wrap; }
}

@media (max-width: 575.98px) {
  .container, .wrap { padding-left: 16px; padding-right: 16px; }
  .brand-logo { font-size: 17px; }
  .notice-ticker-inner { flex-direction: column; align-items: flex-start; gap: 10px; }
  .ticker-clock { align-self: flex-end; }
  .ticker-clock .time-box { min-width: 36px; }
  .hero-title { font-size: 27px; }
  .hero-media-block img { height: 260px; }
  .feature-media img { height: 220px; }
  .feature-number { width: 32px; height: 32px; font-size: 14px; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 110px; gap: 10px; }
  .gallery-item .gallery-info h4 { font-size: 14px; }
  .gallery-item .gallery-tag { font-size: 11px; padding: 2px 8px; }
  .register-left h2 { font-size: 23px; }
  .register-tip-item { font-size: 13px; }
  .faq-question-btn { padding: 16px 16px 16px 14px; font-size: 15px; }
  .faq-answer { padding: 0 18px 20px 18px; }
  .faq-q-index { flex: 0 0 26px; width: 26px; height: 26px; font-size: 13px; }
  .faq-title { text-align:left; }
  .latest-main-card .media-box { height: 190px; }
  .side-thumb { width: 74px; height: 58px; flex: 0 0 74px; }
  .side-main h4 { font-size: 14px; }
  .side-excerpt { display: none; }
  .cta-bottom-card h2 { font-size: 22px; }
  .footer-bottom { justify-content: center; text-align:center; }
  .footer-bottom .copy-text, .footer-bottom .site-domain-copyright { width: 100%; }
  .section-title { font-size: 22px; }
  .responsive-stack { flex-direction: column; align-items: stretch !important; }
}

/* roulang page: article */
:root {
    --page-bg: #F3F7FA;
    --primary: #0F6B9F;
    --primary-dark: #0C5377;
    --navy: #123247;
    --text: #18303E;
    --muted: #5A7180;
    --line: #E3EBF0;
    --amber: #B45309;
    --success: #0E7A64;
    --alert: #BC4A55;
    --radius-xl: 16px;
    --radius-lg: 13px;
    --radius-sm: 10px;
    --shadow-sm: 0 8px 22px rgba(15, 107, 159, 0.08);
    --shadow-md: 0 14px 30px rgba(15, 107, 159, 0.12);
    --shadow-lift: 0 20px 42px rgba(15, 107, 159, 0.18);
    --container-w: 1200px;
    --body-font: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "HarmonyOS Sans SC", "Segoe UI", sans-serif;
}

* {
    box-sizing: border-box;
}
html {
    scroll-behavior: smooth;
}
body {
    margin: 0;
    background: var(--page-bg);
    color: var(--text);
    font-family: var(--body-font);
    font-size: 16px;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
}
a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.2s ease;
}
a:hover {
    color: var(--amber);
}
img {
    max-width: 100%;
    height: auto;
    display: block;
}
ul, ol {
    padding-left: 0;
}
h1, h2, h3, h4, h5, h6 {
    color: var(--text);
    font-weight: 700;
    margin: 0 0 0.5em;
}
.container {
    max-width: var(--container-w);
}

/* header navigation */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1050;
    background: #ffffff;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 6px 20px rgba(18, 50, 71, 0.05);
}
.navbar-custom {
    min-height: 78px;
    padding: 10px 0;
}
.brand-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--navy);
    font-weight: 800;
    font-size: 1.32rem;
    line-height: 1.2;
    letter-spacing: 0.3px;
    text-decoration: none;
}
.logo-dots {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}
.logo-dots i {
    display: block;
    width: 9px;
    height: 9px;
    border-radius: 50%;
}
.dot-1 { background: #1B9AAA; }
.dot-2 { background: #0F6B9F; }
.dot-3 { background: #B45309; }
.brand-logo:hover {
    color: var(--navy);
}
.navbar-custom .navbar-collapse {
    align-items: center;
}
.main-nav-links {
    gap: 6px;
    flex-wrap: nowrap;
}
.nav-link-item {
    display: inline-flex;
    align-items: center;
    padding: 10px 14px;
    color: var(--navy) !important;
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: 999px;
    transition: background 0.18s ease, color 0.18s ease, transform 0.18s ease;
}
.nav-link-item:hover {
    color: var(--primary) !important;
    background: #EDF4F8;
}
.nav-link-item.active {
    color: #ffffff !important;
    background: var(--primary);
    box-shadow: 0 8px 18px rgba(15, 107, 159, 0.2);
}
.header-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 42px;
    padding: 0 22px;
    border-radius: var(--radius-lg);
    background: var(--primary);
    color: #fff !important;
    font-weight: 700;
    font-size: 0.95rem;
    border: 2px solid var(--primary);
    white-space: nowrap;
    transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}
.header-cta-btn i {
    font-size: 0.9rem;
}
.header-cta-btn:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 12px 24px rgba(15, 107, 159, 0.24);
    color: #fff !important;
}
.navbar-toggler {
    border: 1px solid var(--line);
    border-radius: 10px;
    color: var(--text);
    background: #fff;
    padding: 7px 12px;
}
.navbar-toggler:focus {
    box-shadow: 0 0 0 4px rgba(15, 107, 159, 0.15);
    outline: none;
}
.navbar-toggler-icon {
    background: none;
    position: relative;
    width: 24px;
    height: 16px;
}
.navbar-toggler-icon::before,
.navbar-toggler-icon::after,
.navbar-toggler-icon span {
    position: absolute;
    left: 0;
    width: 24px;
    height: 2px;
    border-radius: 4px;
    background: var(--navy);
}
.navbar-toggler-icon::before {
    content: "";
    top: 0;
}
.navbar-toggler-icon span {
    top: 7px;
}
.navbar-toggler-icon::after {
    content: "";
    top: 14px;
}

/* article page hero band */
.article-band {
    background: linear-gradient(180deg, rgba(255,255,255,0.96), rgba(243,247,250,0.96)), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
    border-bottom: 1px solid var(--line);
    padding: 34px 0 36px;
    position: relative;
    overflow: hidden;
}
.breadcrumb-nav {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: var(--muted);
    flex-wrap: wrap;
    margin: 0;
}
.breadcrumb-nav a {
    color: var(--muted);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.breadcrumb-nav a:hover {
    color: var(--primary);
}
.breadcrumb-nav .bc-sep {
    color: #A6BCCB;
}
.breadcrumb-nav .bc-current {
    color: var(--text);
    font-weight: 700;
    max-width: 420px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* main article */
.article-section {
    padding: 64px 0 84px;
}
.narrow-article {
    max-width: 850px;
    margin: 0 auto;
}
.article-card {
    background: #ffffff;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border-top: 6px solid var(--primary);
    padding: clamp(24px, 5vw, 60px);
    position: relative;
}
.article-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px 18px;
    margin-bottom: 22px;
}
.post-cat {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    background: #EDF4F8;
    border: 1px solid #D5E4EE;
    color: var(--primary);
    font-size: 0.82rem;
    font-weight: 700;
    padding: 5px 12px;
    border-radius: 999px;
    letter-spacing: 0.2px;
}
.post-date {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--muted);
    font-size: 0.9rem;
}
.post-date i {
    color: var(--primary);
}
.article-title {
    font-size: clamp(1.7rem, 3vw, 2.6rem);
    line-height: 1.35;
    font-weight: 800;
    color: var(--navy);
    margin-bottom: 28px;
    letter-spacing: 0.2px;
}
.article-divider {
    height: 1px;
    background: var(--line);
    margin: 6px 0 30px;
}

/* CMS content typography */
.cms-content {
    font-size: 1.02rem;
    line-height: 1.9;
    color: var(--text);
}
.cms-content > *:first-child {
    margin-top: 0;
}
.cms-content p {
    margin: 0 0 1.55em;
}
.cms-content h2 {
    font-size: 1.55rem;
    line-height: 1.45;
    color: var(--navy);
    font-weight: 800;
    margin: 2.4em 0 0.8em;
    padding-left: 14px;
    border-left: 4px solid var(--primary);
}
.cms-content h3 {
    font-size: 1.25rem;
    line-height: 1.5;
    color: var(--navy);
    font-weight: 800;
    margin: 2.1em 0 0.7em;
}
.cms-content ul,
.cms-content ol {
    margin: 0 0 1.6em;
    padding-left: 1.4em;
}
.cms-content li {
    margin-bottom: 0.45em;
}
.cms-content a {
    color: var(--primary);
    text-decoration: underline;
    text-decoration-color: rgba(15,107,159,.3);
    text-underline-offset: 4px;
    font-weight: 600;
}
.cms-content a:hover {
    color: var(--amber);
    text-decoration-color: rgba(180,83,9,.45);
}
.cms-content blockquote {
    margin: 2rem 0;
    padding: 1.2rem 1.5rem;
    border-left: 5px solid var(--primary);
    background: #F5F9FC;
    border-radius: 0 14px 14px 0;
    color: #27485E;
    font-size: 1rem;
}
.cms-content img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    margin: 1.8rem auto;
    max-width: 100%;
    height: auto;
}
.cms-content figure {
    margin: 2rem auto;
}
.cms-content figcaption {
    text-align: center;
    font-size: 0.88rem;
    color: var(--muted);
    padding: 10px 8px 0;
}
.cms-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.8rem 0;
    font-size: 0.94rem;
}
.cms-content th,
.cms-content td {
    border: 1px solid var(--line);
    padding: 12px 14px;
    text-align: left;
}
.cms-content th {
    background: #EDF4F8;
    color: var(--navy);
    font-weight: 700;
}

/* article bottom nav */
.article-bottom {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 44px;
    padding-top: 32px;
    border-top: 1px solid var(--line);
}
.btn-custom {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 48px;
    padding: 0 26px;
    border-radius: var(--radius-lg);
    background: var(--primary);
    color: #fff !important;
    font-weight: 700;
    border: 2px solid transparent;
    transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease, border-color .2s ease;
}
.btn-custom:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 14px 26px rgba(15, 107, 159, 0.24);
    color: #fff !important;
}
.btn-outline-custom {
    background: #ffffff;
    color: var(--primary) !important;
    border-color: #C9DDEB;
}
.btn-outline-custom:hover {
    border-color: var(--primary);
    background: #F2F9FD;
    color: var(--primary) !important;
    box-shadow: none;
}
.btn-amber {
    background: var(--amber);
    border-color: var(--amber);
}
.btn-amber:hover {
    background: #92400E;
    border-color: #92400E;
    box-shadow: 0 12px 24px rgba(180,83,9,.22);
}

/* related cards */
.related-section {
    padding: 0 0 90px;
}
.related-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
    margin-bottom: 28px;
}
.related-head h2 {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--navy);
    margin: 0;
}
.related-head h2 span {
    color: var(--primary);
}
.related-sub {
    color: var(--muted);
    max-width: 560px;
    margin: 6px 0 0;
    font-size: 0.96rem;
}
.related-cards {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
}
.related-card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform 0.22s ease, box-shadow 0.22s ease, border-color .22s ease;
    display: block;
    color: inherit;
    height: 100%;
}
.related-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lift);
    border-color: #C9DDEB;
    color: inherit;
}
.related-card-cover {
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: #E8F0F5;
    position: relative;
}
.related-card-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}
.related-card:hover .related-card-cover img {
    transform: scale(1.04);
}
.related-card-body {
    padding: 22px 22px 26px;
}
.related-card-title {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--navy);
    margin-bottom: 8px;
    line-height: 1.45;
}
.related-card-text {
    font-size: 0.92rem;
    color: var(--muted);
    line-height: 1.7;
    margin: 0 0 14px;
}
.related-link {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    color: var(--primary);
    font-weight: 700;
    font-size: 0.92rem;
}
.related-link i {
    transition: transform 0.2s ease;
}
.related-card:hover .related-link i {
    transform: translateX(4px);
}

/* not found */
.not-found-panel {
    max-width: 680px;
    margin: 0 auto;
    text-align: center;
    background: #fff;
    border: 1px dashed #BECFD9;
    border-radius: var(--radius-xl);
    padding: 72px 32px;
    box-shadow: var(--shadow-sm);
}
.notfound-icon {
    width: 68px;
    height: 68px;
    border-radius: 50%;
    background: #EDF4F8;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    font-size: 26px;
    color: var(--primary);
}
.not-found-panel h2 {
    font-size: 1.7rem;
    font-weight: 800;
    margin-bottom: 12px;
    color: var(--navy);
}
.not-found-panel p {
    color: var(--muted);
    margin: 0 auto 30px;
    max-width: 460px;
}

/* footer */
.site-footer {
    background: var(--navy);
    color: rgba(255,255,255,0.82);
    padding: 74px 0 0;
    margin-top: 0;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 48px;
}
.site-footer .brand-logo {
    color: #fff;
    font-size: 1.35rem;
    margin-bottom: 16px;
}
.footer-desc {
    color: rgba(255,255,255,0.66);
    line-height: 1.85;
    font-size: 0.95rem;
    margin: 14px 0 0;
    max-width: 520px;
}
.footer-title {
    color: #ffffff;
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    margin-bottom: 18px;
}
.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 11px;
}
.footer-links a {
    color: rgba(255,255,255,0.68);
    font-size: 0.95rem;
    transition: color 0.2s ease, padding-left 0.2s ease;
}
.footer-links a:hover {
    color: #fff;
    padding-left: 5px;
}
.footer-bottom {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    padding: 22px 0;
    border-top: 1px solid rgba(255,255,255,0.12);
    font-size: 0.88rem;
    color: rgba(255,255,255,0.56);
}
.site-domain-copyright a {
    color: rgba(255,255,255,0.7);
}

.footer-bottom .copy-text {
    color: rgba(255,255,255,0.7);
}

/* responsive */
@media (max-width: 991.98px) {
    .navbar-custom {
        min-height: 64px;
    }
    .navbar-custom .navbar-collapse {
        background: #fff;
        border: 1px solid var(--line);
        border-radius: 14px;
        margin-top: 12px;
        padding: 16px 18px 20px;
        box-shadow: var(--shadow-sm);
    }
    .main-nav-links {
        display: flex;
        flex-direction: column;
        gap: 6px;
    }
    .nav-link-item {
        width: 100%;
        padding: 12px 14px;
        border-radius: 10px;
    }
    .header-cta-btn {
        width: 100%;
        justify-content: center;
    }
    .related-cards {
        grid-template-columns: 1fr 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 36px;
    }
}

@media (max-width: 767.98px) {
    .article-section {
        padding: 34px 0 56px;
    }
    .article-card {
        padding: 24px 20px;
        border-radius: 14px;
    }
    .related-cards {
        grid-template-columns: 1fr;
    }
    .article-title {
        margin-bottom: 20px;
    }
}

@media (max-width: 575.98px) {
    .article-band {
        padding: 22px 0 26px;
    }
    .breadcrumb-nav a,
    .breadcrumb-nav .bc-current {
        font-size: 0.82rem;
    }
    .article-bottom {
        flex-direction: column;
    }
    .btn-custom {
        width: 100%;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 34px;
        padding-bottom: 32px;
    }
    .footer-bottom {
        flex-direction: column;
        text-align: center;
        justify-content: center;
    }
    .article-card {
        border-radius: 12px;
    }
    .related-card-body {
        padding: 18px 16px 22px;
    }
}

/* roulang page: category1 */
:root{
    --color-bg:#F3F7FA;
    --color-white:#FFFFFF;
    --color-primary:#0F6B9F;
    --color-primary-dark:#0C5377;
    --color-primary-soft:#EAF2F6;
    --color-deep:#123247;
    --color-ink:#18303E;
    --color-muted:#5A7180;
    --color-line:#E3EBF0;
    --color-accent:#B45309;
    --color-success:#0E7A64;
    --color-alert:#BC4A55;
    --font-body:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC","Segoe UI",sans-serif;
    --radius-lg:16px;
    --radius-md:12px;
    --radius-sm:10px;
    --shadow-card:0 12px 30px rgba(15,107,159,.10);
    --shadow-hover:0 16px 34px rgba(15,107,159,.14);
    --transition:all .25s ease-in-out;
}
html{
    scroll-behavior:smooth;
}
*,
*::before,
*::after{
    box-sizing:border-box;
}
body{
    margin:0;
    padding:0;
    font-family:var(--font-body);
    font-size:16px;
    line-height:1.75;
    background:var(--color-bg);
    color:var(--color-ink);
    -webkit-font-smoothing:antialiased;
}
body a{
    color:inherit;
    text-decoration:none;
    transition:color .2s ease;
}
body img{
    max-width:100%;
    display:block;
}
button,
input,
optgroup,
select,
textarea{
    font:inherit;
    color:inherit;
}
h1,h2,h3,h4,h5,h6{
    margin:0;
    line-height:1.3;
    color:var(--color-deep);
    font-weight:700;
}
ul,ol,p,figure{
    margin:0;
    padding:0;
}
figure{
    display:block;
}
.container{
    max-width:1200px;
}

/* Accessible skip link */
.skip-link{
    position:fixed;
    top:8px;
    left:8px;
    z-index:2000;
    background:var(--color-deep);
    color:#fff;
    padding:.65rem 1rem;
    border-radius:var(--radius-sm);
    transform:translateY(-160%);
    transition:var(--transition);
}
.skip-link:focus{
    transform:translateY(0);
    color:#fff;
    outline:3px solid rgba(255,255,255,.75);
}

/* Brand logo */
.logo-dots{
    display:inline-flex;
    align-items:center;
    gap:4px;
    margin-right:10px;
}
.logo-dots i{
    display:inline-block;
    width:8px;
    height:8px;
    border-radius:50%;
    flex:0 0 auto;
}
.dot-1{
    background:#0F6B9F;
}
.dot-2{
    background:#B45309;
}
.dot-3{
    background:#0E7A64;
}
.brand-logo{
    display:inline-flex;
    align-items:center;
    font-weight:800;
    color:var(--color-deep);
    letter-spacing:.01em;
}

/* Header */
.site-header{
    position:sticky;
    top:0;
    z-index:1030;
    background:var(--color-white);
    box-shadow:0 6px 24px rgba(18,50,71,.08);
}
.navbar-custom{
    min-height:76px;
    padding-top:.5rem;
    padding-bottom:.5rem;
}
.navbar-custom .nav-link-item{
    display:inline-block;
    padding:.48rem 1.05rem;
    border-radius:40px;
    font-size:.94rem;
    font-weight:600;
    line-height:1.6;
    color:var(--color-ink);
    white-space:nowrap;
    transition:var(--transition);
}
.navbar-custom .nav-link-item:hover{
    background:var(--color-primary-soft);
    color:var(--color-primary-dark);
}
.navbar-custom .nav-link-item.active{
    background:var(--color-deep);
    color:#ffffff;
    box-shadow:0 8px 18px rgba(18,50,71,.18);
}
.navbar-custom .nav-link-item:focus-visible{
    outline:3px solid rgba(15,107,159,.35);
    outline-offset:2px;
}
.header-cta-btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:.55rem;
    background:var(--color-accent);
    color:#fff;
    border-radius:var(--radius-md);
    padding:.72rem 1.5rem;
    font-weight:700;
    line-height:1.3;
    border:1px solid var(--color-accent);
    transition:var(--transition);
}
.header-cta-btn i{
    font-size:1rem;
}
.header-cta-btn:hover{
    background:#92400e;
    border-color:#92400e;
    color:#fff;
    transform:translateY(-2px);
}
.header-cta-btn:focus-visible{
    outline:3px solid rgba(180,83,9,.4);
    outline-offset:2px;
}
.navbar-toggler{
    border:1px solid var(--color-line);
    border-radius:10px;
    padding:.3rem .6rem;
    box-shadow:none;
}
.navbar-toggler:focus{
    box-shadow:0 0 0 3px rgba(15,107,159,.2);
}
.navbar-toggler-icon{
    background-image:url("data:image/svg+xml,%3csvg viewBox='0 0 30 30' xmlns='http://www.w3.org/2000/svg'%3e%3cpath stroke='rgba(18,50,71,0.85)' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Buttons */
.btn-guide{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:.5rem;
    background:var(--color-primary);
    color:#fff;
    border:1px solid var(--color-primary);
    border-radius:var(--radius-md);
    padding:.78rem 1.65rem;
    font-weight:700;
    line-height:1.4;
    box-shadow:0 8px 18px rgba(15,107,159,.16);
    transition:var(--transition);
}
.btn-guide:hover{
    background:var(--color-primary-dark);
    border-color:var(--color-primary-dark);
    color:#fff;
    transform:translateY(-2px);
    box-shadow:0 12px 22px rgba(15,107,159,.22);
}
.btn-guide:focus-visible,
.btn-outline-guide:focus-visible,
.text-link:focus-visible{
    outline:3px solid rgba(15,107,159,.35);
    outline-offset:3px;
}
.btn-outline-guide{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:.5rem;
    background:var(--color-white);
    color:var(--color-primary-dark);
    border:1px solid var(--color-primary);
    border-radius:var(--radius-md);
    padding:.78rem 1.6rem;
    font-weight:700;
    line-height:1.4;
    transition:var(--transition);
}
.btn-outline-guide:hover{
    background:var(--color-primary);
    color:#fff;
    border-color:var(--color-primary);
    transform:translateY(-2px);
}
.btn-soft{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:.5rem;
    background:rgba(255,255,255,.15);
    color:#fff;
    border:1px solid rgba(255,255,255,.35);
    border-radius:var(--radius-md);
    padding:.78rem 1.5rem;
    font-weight:700;
    transition:var(--transition);
}
.btn-soft:hover{
    background:#fff;
    color:var(--color-deep);
    border-color:#fff;
    transform:translateY(-2px);
}
.text-link{
    display:inline-flex;
    align-items:center;
    gap:.35rem;
    color:var(--color-primary);
    font-weight:600;
}
.text-link:hover{
    color:var(--color-primary-dark);
    text-decoration:underline;
    text-underline-offset:4px;
}

/* Hero */
.hero-wrap{
    position:relative;
    padding:74px 0 86px;
    background:
        linear-gradient(108deg, rgba(243,247,250,.98) 0%, rgba(234,242,246,.92) 42%, rgba(227,235,240,.86) 100%),
        url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
    overflow:hidden;
    border-bottom:1px solid var(--color-line);
}
.hero-wrap::after{
    content:"";
    position:absolute;
    width:280px;
    height:280px;
    right:-100px;
    bottom:-120px;
    background-image:radial-gradient(rgba(15,107,159,.16) 1.5px, transparent 1.5px);
    background-size:22px 22px;
    pointer-events:none;
    z-index:0;
}
.hero-wrap .container{
    position:relative;
    z-index:1;
}
.hero-crumb{
    display:flex;
    align-items:center;
    gap:.6rem;
    flex-wrap:wrap;
    color:var(--color-muted);
    font-size:.88rem;
    margin-bottom:1.2rem;
}
.hero-crumb a{
    color:var(--color-muted);
}
.hero-crumb a:hover{
    color:var(--color-primary);
}
.hero-crumb i{
    color:#9BB4C2;
    font-size:.6rem;
}
.hero-eyebrow{
    display:inline-flex;
    align-items:center;
    gap:.55rem;
    background:rgba(255,255,255,.7);
    border:1px solid var(--color-line);
    color:var(--color-primary);
    font-weight:700;
    font-size:.9rem;
    padding:.35rem 1rem;
    border-radius:40px;
    margin-bottom:1.25rem;
    letter-spacing:.02em;
}
.hero-title{
    font-size:clamp(2rem, 4.2vw, 3.4rem);
    font-weight:800;
    letter-spacing:.02em;
    color:var(--color-deep);
    line-height:1.25;
    margin-bottom:1.2rem;
}
.hero-title .topic-mark{
    display:inline-block;
    color:var(--color-primary);
}
.hero-lead{
    color:var(--color-ink);
    font-size:1.06rem;
    max-width:590px;
    margin-bottom:1.6rem;
}
.hero-lead strong{
    color:var(--color-deep);
}
.hero-btns{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:.85rem;
    margin-bottom:2rem;
}
.hero-pills{
    display:flex;
    flex-wrap:wrap;
    gap:.55rem;
    list-style:none;
}
.hero-pills li{
    display:inline-flex;
    align-items:center;
    gap:.4rem;
    background:rgba(255,255,255,.72);
    border:1px solid var(--color-line);
    color:var(--color-muted);
    border-radius:var(--radius-sm);
    padding:.28rem .8rem;
    font-size:.86rem;
    font-weight:600;
}
.hero-pills li i{
    color:var(--color-success);
    font-size:.8rem;
}
.hero-visual{
    position:relative;
    padding-left:1.2rem;
}
.hero-visual-card{
    background:var(--color-white);
    border:1px solid var(--color-line);
    border-radius:24px;
    padding:.85rem;
    box-shadow:var(--shadow-card);
    transition:var(--transition);
}
.hero-visual-card:hover{
    box-shadow:var(--shadow-hover);
    transform:translateY(-4px);
}
.hero-visual-card .img-wrap{
    overflow:hidden;
    border-radius:18px;
    position:relative;
}
.hero-visual-card img{
    width:100%;
    aspect-ratio:4/3;
    object-fit:cover;
}
.hero-visual-label{
    position:absolute;
    top:-10px;
    right:10px;
    z-index:2;
    background:var(--color-accent);
    color:#fff;
    font-size:.78rem;
    font-weight:700;
    border-radius:40px;
    padding:.28rem .85rem;
    display:inline-flex;
    align-items:center;
    gap:.3rem;
    box-shadow:0 8px 16px rgba(180,83,9,.22);
}
.hero-visual-note{
    padding:.85rem .35rem .25rem;
    font-size:.9rem;
    color:var(--color-muted);
}
.hero-visual-note i{
    color:var(--color-primary);
}

/* Section base */
.section-block{
    padding:88px 0;
}
.section-block.soft-block{
    background:var(--color-white);
    border-top:1px solid var(--color-line);
    border-bottom:1px solid var(--color-line);
}
.section-block.deep-block{
    background:var(--color-deep);
    color:#DCE8F0;
}
.section-kicker{
    display:inline-block;
    color:var(--color-primary);
    font-weight:700;
    font-size:.92rem;
    letter-spacing:.08em;
    margin-bottom:.65rem;
    padding-left:1rem;
    position:relative;
}
.section-kicker::before{
    content:"";
    position:absolute;
    left:0;
    top:50%;
    transform:translateY(-50%);
    width:4px;
    height:16px;
    border-radius:3px;
    background:var(--color-accent);
}
.section-title{
    font-size:clamp(1.7rem, 3vw, 2.4rem);
    font-weight:800;
    color:var(--color-deep);
    margin-bottom:1rem;
}
.section-lead{
    color:var(--color-muted);
    margin-bottom:1.5rem;
    max-width:660px;
}

/* Intro guide area */
.guide-rows{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:18px;
}
.guide-rows + .guide-more{
    margin-top:26px;
}
.guide-item{
    background:var(--color-white);
    border:1px solid var(--color-line);
    border-radius:var(--radius-lg);
    padding:32px 26px;
    box-shadow:var(--shadow-card);
    transition:var(--transition);
}
.guide-item:hover{
    transform:translateY(-4px);
    box-shadow:var(--shadow-hover);
}
.guide-item .item-icon{
    width:46px;
    height:46px;
    background:var(--color-primary-soft);
    color:var(--color-primary);
    border-radius:12px;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    margin-bottom:18px;
    font-size:1.25rem;
}
.guide-item h3{
    font-size:1.08rem;
    color:var(--color-deep);
    margin-bottom:.55rem;
}
.guide-item p{
    color:var(--color-muted);
    font-size:.93rem;
}
.guide-intro-list{
    list-style:none;
    margin-top:1.4rem;
}
.guide-intro-list li{
    display:flex;
    align-items:center;
    gap:.6rem;
    color:var(--color-ink);
    padding:.42rem 0;
}
.guide-intro-list li i{
    color:var(--color-success);
    font-size:.8rem;
}

/* Gallery */
.gallery-section{
    background:var(--color-white);
    border-top:1px solid var(--color-line);
    border-bottom:1px solid var(--color-line);
}
.gallery-section .section-lead{
    margin-bottom:0;
}
.gallery-grid{
    display:grid;
    grid-template-columns:repeat(12, 1fr);
    grid-auto-rows:178px;
    grid-auto-flow:dense;
    gap:14px;
    margin-top:34px;
}
.gallery-tile{
    position:relative;
    margin:0;
    overflow:hidden;
    border-radius:var(--radius-lg);
    background:#DCE8F0;
    box-shadow:var(--shadow-card);
    transition:var(--transition);
}
.gallery-tile:hover{
    box-shadow:var(--shadow-hover);
    transform:translateY(-3px);
}
.gallery-tile img{
    position:absolute;
    inset:0;
    width:100%;
    height:100%;
    object-fit:cover;
    transition:transform .5s ease;
}
.gallery-tile:hover img{
    transform:scale(1.05);
}
.gallery-tile::after{
    content:"";
    position:absolute;
    inset:0;
    background:linear-gradient(to top, rgba(18,50,71,.66) 0%, rgba(18,50,71,.06) 60%, rgba(18,50,71,0) 100%);
}
.gallery-caption{
    position:absolute;
    left:0;
    right:0;
    bottom:0;
    padding:1.2rem 1.1rem .9rem;
    z-index:2;
    color:#fff;
    display:flex;
    align-items:flex-end;
    justify-content:space-between;
    gap:.8rem;
}
.gallery-caption .caption-tag{
    font-size:.72rem;
    font-weight:700;
    letter-spacing:.05em;
    background:rgba(255,255,255,.18);
    border-radius:30px;
    padding:.15rem .6rem;
    border:1px solid rgba(255,255,255,.18);
}
.gallery-caption strong{
    font-size:1rem;
    font-weight:700;
    line-height:1.4;
    text-align:right;
}
.tile-1{
    grid-column:span 7;
    grid-row:span 2;
}
.tile-2{
    grid-column:span 5;
    grid-row:span 1;
}
.tile-3{
    grid-column:span 3;
    grid-row:span 1;
}
.tile-4{
    grid-column:span 2;
    grid-row:span 1;
}
.tile-5{
    grid-column:span 4;
    grid-row:span 1;
}
.tile-6{
    grid-column:span 5;
    grid-row:span 1;
}
.tile-7{
    grid-column:span 3;
    grid-row:span 1;
}

/* Process section */
.process-wrap{
    list-style:none;
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:20px;
    margin-top:34px;
}
.process-step{
    position:relative;
    background:var(--color-white);
    border:1px solid var(--color-line);
    border-radius:var(--radius-lg);
    padding:34px 26px 28px;
    overflow:hidden;
    box-shadow:var(--shadow-card);
    transition:var(--transition);
}
.process-step:hover{
    transform:translateY(-4px);
    box-shadow:var(--shadow-hover);
}
.process-step .step-index{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    min-width:46px;
    height:36px;
    background:var(--color-deep);
    color:#fff;
    font-weight:800;
    border-radius:8px;
    padding:0 .5rem;
    margin-bottom:20px;
    letter-spacing:.03em;
}
.process-step .step-icon{
    position:absolute;
    right:18px;
    top:24px;
    color:var(--color-primary-soft);
    font-size:2.1rem;
    opacity:.8;
}
.process-step h3{
    font-size:1.08rem;
    margin-bottom:.5rem;
}
.process-step p{
    color:var(--color-muted);
    font-size:.92rem;
}

/* CTA */
.cta-panel{
    background:var(--color-deep);
    border-radius:24px;
    padding:48px 58px;
    position:relative;
    overflow:hidden;
    color:#DCE8F0;
}
.cta-panel::before{
    content:"";
    position:absolute;
    right:-90px;
    top:-90px;
    width:260px;
    height:260px;
    background-image:radial-gradient(rgba(255,255,255,.18) 1.5px, transparent 1.5px);
    background-size:20px 20px;
    pointer-events:none;
}
.cta-panel .cta-title{
    color:#fff;
    font-size:clamp(1.6rem, 2.6vw, 2.2rem);
    margin-bottom:.8rem;
}
.cta-panel p{
    color:#C7D6DF;
    max-width:560px;
    margin-bottom:0;
}
.cta-panel a:not(.btn-guide):not(.btn-soft){
    color:#F0C584;
}
.cta-panel a:not(.btn-guide):not(.btn-soft):hover{
    color:#fff;
}
.cta-actions{
    display:flex;
    flex-wrap:wrap;
    gap:.9rem;
    margin-top:1.8rem;
}
.cta-note{
    font-size:.9rem;
    color:#C7D6DF;
    margin-top:1.1rem;
}

/* FAQ */
.faq-layout{
    display:grid;
    grid-template-columns:minmax(0, 5fr) minmax(0, 7fr);
    gap:44px;
    align-items:start;
}
.faq-aside{
    position:sticky;
    top:110px;
}
.faq-aside p{
    color:var(--color-muted);
    margin-bottom:1.4rem;
}
.faq-aside .fa-plus-icon{
    color:var(--color-primary);
}
.faq-accordion{
    border-top:1px solid var(--color-line);
}
.accordion-item{
    border:0;
    border-bottom:1px solid var(--color-line);
    background:transparent;
}
.accordion-item:first-child{
    border-top:0;
}
.accordion-button{
    background:transparent;
    color:var(--color-deep);
    font-weight:700;
    font-size:1.02rem;
    padding:1.2rem .4rem 1.2rem 0;
    box-shadow:none;
}
.accordion-button:hover{
    color:var(--color-primary);
}
.accordion-button:not(.collapsed){
    background:transparent;
    color:var(--color-primary);
    box-shadow:none;
}
.accordion-button:not(.collapsed)::after{
    color:var(--color-primary);
}
.accordion-button:focus{
    box-shadow:none;
    outline:3px solid rgba(15,107,159,.18);
    outline-offset:2px;
}
.accordion-button::after{
    content:"\002B";
    background:none;
    width:auto;
    height:auto;
    font-size:1.4rem;
    font-weight:400;
    line-height:1;
    color:var(--color-accent);
    margin-left:auto;
}
.accordion-button:not(.collapsed)::after{
    content:"\2212";
    transform:none;
    background:none;
}
.accordion-body{
    padding:.35rem .4rem 1.4rem 0;
    color:var(--color-muted);
}
.faq-number{
    display:inline-block;
    min-width:30px;
    color:var(--color-primary);
    font-weight:800;
    margin-right:.35rem;
}

/* Footer */
.site-footer{
    background:var(--color-deep);
    color:#C6D6DF;
    padding:64px 0 0;
}
.site-footer .brand-logo{
    color:#fff;
    margin-bottom:1rem;
}
.footer-grid{
    display:grid;
    grid-template-columns:minmax(0, 5fr) minmax(0, 3fr) minmax(0, 3fr);
    gap:48px;
    padding-bottom:40px;
}
.footer-desc{
    margin-top:16px;
    color:#AEBFCA;
    font-size:.9rem;
    max-width:430px;
    line-height:1.7;
}
.footer-title{
    color:#fff;
    font-size:1rem;
    margin-bottom:1rem;
    padding-bottom:.5rem;
    border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-links{
    list-style:none;
    display:grid;
    gap:.55rem;
}
.footer-links a{
    color:#C6D6DF;
    font-size:.92rem;
    transition:var(--transition);
}
.footer-links a:hover{
    color:#fff;
    padding-left:6px;
}
.footer-bottom{
    border-top:1px solid rgba(255,255,255,.12);
    padding:1.3rem 0;
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    justify-content:space-between;
    gap:.7rem;
    color:#9EB2BE;
    font-size:.86rem;
}
.footer-bottom a{
    color:#C6D6DF;
}
.footer-bottom a:hover{
    color:#fff;
}

/* Responsive */
@media (max-width:1199.98px){
    .section-block{
        padding:74px 0;
    }
    .guide-rows,
    .process-wrap{
        grid-template-columns:repeat(4,1fr);
        gap:16px;
    }
    .hero-wrap{
        padding-top:66px;
        padding-bottom:72px;
    }
    .hero-title{
        font-size:2.6rem;
    }
}
@media (max-width:991.98px){
    .navbar-custom{
        min-height:68px;
    }
    .navbar-collapse{
        background:var(--color-white);
        padding-top:.25rem;
        padding-bottom:1rem;
        border-radius:0 0 16px 16px;
    }
    .main-nav-links{
        display:flex;
        flex-direction:column;
        align-items:stretch;
        gap:.2rem;
        padding-top:.5rem;
    }
    .navbar-custom .nav-link-item{
        width:100%;
        text-align:left;
        padding:.75rem 1rem;
        white-space:normal;
    }
    .navbar-custom .nav-link-item.active{
        background:var(--color-primary);
    }
    .header-cta-btn{
        width:100%;
        margin-top:.4rem;
    }
    .section-block{
        padding:60px 0;
    }
    .hero-wrap{
        padding:54px 0 60px;
    }
    .hero-title{
        font-size:2.3rem;
    }
    .hero-visual{
        padding-left:0;
        margin-top:34px;
    }
    .guide-rows,
    .process-wrap{
        grid-template-columns:repeat(2,1fr);
    }
    .gallery-grid{
        grid-template-columns:repeat(6,1fr);
        grid-auto-rows:170px;
    }
    .tile-1{
        grid-column:span 6;
        grid-row:span 2;
    }
    .tile-2{
        grid-column:span 3;
        grid-row:span 1;
    }
    .tile-3{
        grid-column:span 3;
        grid-row:span 1;
    }
    .tile-4{
        grid-column:span 3;
        grid-row:span 1;
    }
    .tile-5{
        grid-column:span 3;
        grid-row:span 1;
    }
    .tile-6{
        grid-column:span 3;
        grid-row:span 1;
    }
    .tile-7{
        grid-column:span 3;
        grid-row:span 1;
    }
    .faq-layout{
        grid-template-columns:1fr;
        gap:28px;
    }
    .faq-aside{
        position:static;
    }
    .cta-panel{
        padding:38px 30px;
    }
    .footer-grid{
        grid-template-columns:1fr 1fr;
        gap:32px;
    }
    .footer-brand{
        grid-column:1/-1;
    }
}
@media (max-width:575.98px){
    .container{
        padding-left:16px;
        padding-right:16px;
    }
    .section-block{
        padding:48px 0;
    }
    .hero-wrap{
        padding:38px 0 44px;
    }
    .hero-title{
        font-size:1.9rem;
    }
    .hero-lead{
        font-size:.98rem;
    }
    .hero-btns .btn-guide,
    .hero-btns .btn-outline-guide{
        width:100%;
    }
    .hero-visual-card{
        border-radius:18px;
    }
    .hero-visual-card .img-wrap{
        border-radius:13px;
    }
    .guide-rows,
    .process-wrap{
        grid-template-columns:1fr;
        gap:14px;
    }
    .gallery-grid{
        grid-template-columns:1fr 1fr;
        grid-auto-rows:140px;
        gap:10px;
    }
    .tile-1,
    .tile-2,
    .tile-3,
    .tile-4,
    .tile-5,
    .tile-6,
    .tile-7{
        grid-column:span 1;
        grid-row:span 1;
    }
    .tile-1{
        grid-column:span 2;
        grid-row:span 2;
    }
    .tile-2{
        grid-column:span 2;
        grid-row:span 1;
    }
    .gallery-caption{
        padding:.9rem .8rem .7rem;
    }
    .gallery-caption .caption-tag{
        display:none;
    }
    .cta-panel{
        padding:28px 20px;
        border-radius:16px;
    }
    .cta-actions .btn-guide,
    .cta-actions .btn-soft{
        width:100%;
    }
    .footer-grid{
        grid-template-columns:1fr;
    }
    .footer-brand{
        grid-column:1;
    }
    .footer-bottom{
        flex-direction:column;
        justify-content:center;
        text-align:center;
    }
    .btn-guide,
    .btn-outline-guide,
    .btn-soft{
        width:100%;
    }
}

/* roulang page: category2 */
:root{
  --bg:#F3F7FA;
  --surface:#FFFFFF;
  --primary:#0F6B9F;
  --primary-dark:#0B4E76;
  --primary-light:#EDF4F8;
  --deep:#123247;
  --body:#18303E;
  --muted:#5A7180;
  --border:#E3EBF0;
  --accent:#B45309;
  --accent-dark:#92400E;
  --success:#0E7A64;
  --danger:#BC4A55;
  --radius-card:16px;
  --radius-btn:12px;
  --radius-input:10px;
  --shadow-card:0 12px 30px rgba(15,107,159,.08);
  --shadow-card-lg:0 18px 40px rgba(18,50,71,.12);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  padding:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC","Helvetica Neue",Arial,sans-serif;
  background-color:var(--bg);
  color:var(--body);
  font-size:16px;
  line-height:1.75;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--primary-dark);}
p{margin-bottom:1rem;}
.container{max-width:1200px;}

/* ---------- header & nav ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:var(--surface);
  border-bottom:1px solid var(--border);
  box-shadow:0 2px 14px rgba(18,50,71,.05);
}
.navbar-custom{
  padding:10px 0;
  background:var(--surface);
}
.brand-logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:1.24rem;
  font-weight:800;
  letter-spacing:.2px;
  color:var(--deep);
}
.brand-logo:hover{color:var(--primary-dark);}
.logo-dots{display:inline-flex;gap:4px;align-items:center;}
.logo-dots i{display:inline-block;width:8px;height:8px;border-radius:50%;}
.logo-dots .dot-1{background:#E07B39;}
.logo-dots .dot-2{background:#3E96C4;}
.logo-dots .dot-3{background:#6FAF48;}

.navbar-toggler{
  border:1px solid var(--border);
  border-radius:10px;
  padding:6px 10px;
  background:transparent;
}
.navbar-toggler:focus{box-shadow:0 0 0 4px rgba(15,107,159,.08);outline:none;}
.navbar-toggler-icon{
  width:22px;
  height:22px;
  background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%23123033' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}
.main-nav-links{
  display:flex;
  gap:6px;
  align-items:center;
}
.nav-link-item{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:9px 18px;
  border-radius:12px;
  color:var(--body);
  font-weight:600;
  border:1px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.nav-link-item:hover{
  color:var(--primary);
  background:var(--primary-light);
  border-color:transparent;
}
.nav-link-item.active{
  color:var(--primary-dark);
  background:#E2F0F7;
  border-color:#C9DFEA;
}
.header-cta-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:10px 24px;
  background:var(--accent);
  color:#fff;
  border:1px solid var(--accent);
  border-radius:var(--radius-btn);
  font-weight:700;
  white-space:nowrap;
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.header-cta-btn:hover{
  background:var(--accent-dark);
  border-color:var(--accent-dark);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 8px 20px rgba(180,83,9,.18);
}
.header-cta-btn:active{transform:translateY(0);}
.header-cta-btn:focus-visible{
  outline:none;
  box-shadow:0 0 0 4px rgba(180,83,9,.22);
}

/* ---------- hero ---------- */
.page-hero{
  position:relative;
  padding:72px 0 88px;
  background:linear-gradient(120deg,rgba(10,28,40,.92) 0%,rgba(18,50,71,.86) 62%,rgba(13,64,88,.76) 100%),url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  color:#fff;
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  right:-100px;
  bottom:-120px;
  width:280px;
  height:280px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.08) 0%,rgba(255,255,255,0) 70%);
  pointer-events:none;
}
.breadcrumb-wrap{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:.9rem;
  margin-bottom:18px;
  color:#B9D6E3;
}
.breadcrumb-wrap a{color:#BDE0EF;transition:color .2s;}
.breadcrumb-wrap a:hover{color:#fff;}
.breadcrumb-arrow{opacity:.7;}
.hero-title{
  font-size:clamp(1.8rem,3vw,2.7rem);
  font-weight:800;
  line-height:1.3;
  color:#fff;
  margin-bottom:20px;
}
.hero-title .accent-word{
  display:inline-block;
  position:relative;
  color:#FFD4A1;
}
.hero-desc{
  font-size:1.02rem;
  max-width:640px;
  color:#D7E9F0;
  margin-bottom:28px;
  line-height:1.9;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-bottom:34px;
}
.hero-btn-primary{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  min-height:48px;
  padding:12px 26px;
  background:#fff;
  color:var(--deep);
  border:1px solid rgba(255,255,255,.24);
  border-radius:var(--radius-btn);
  font-weight:700;
  transition:all .22s ease;
}
.hero-btn-primary:hover{
  background:#EFF5F8;
  color:var(--primary-dark);
  transform:translateY(-2px);
  box-shadow:0 10px 22px rgba(5,20,30,.3);
}
.hero-btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:48px;
  padding:12px 24px;
  background:transparent;
  color:#fff;
  border:1px solid rgba(255,255,255,.42);
  border-radius:var(--radius-btn);
  font-weight:600;
  transition:all .22s ease;
}
.hero-btn-ghost:hover{
  background:rgba(255,255,255,.12);
  color:#fff;
  border-color:rgba(255,255,255,.7);
  transform:translateY(-2px);
}
.hero-cover{
  position:relative;
  border-radius:22px;
  overflow:hidden;
  box-shadow:0 24px 60px rgba(0,0,0,.25);
}
.hero-cover img{
  width:100%;
  height:100%;
  min-height:260px;
  object-fit:cover;
}
.hero-tip-card{
  position:absolute;
  left:16px;
  bottom:16px;
  right:16px;
  background:rgba(255,255,255,.94);
  color:var(--body);
  border-radius:14px;
  padding:14px 16px;
  backdrop-filter:blur(2px);
}
.tip-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  font-weight:700;
  color:var(--deep);
  margin-bottom:4px;
}
.tip-top i{color:var(--success);}
.tip-text{font-size:.85rem;color:var(--muted);margin:0;}

/* ---------- section common ---------- */
.section-block{
  padding:92px 0;
}
.section-block-alt{
  background:var(--surface);
}
.section-head{
  max-width:720px;
  margin-bottom:48px;
}
.section-overline{
  font-size:.82rem;
  font-weight:700;
  letter-spacing:.8px;
  color:var(--primary);
  display:block;
  margin-bottom:8px;
  text-transform:uppercase;
}
.section-title{
  color:var(--body);
  font-size:1.65rem;
  font-weight:800;
  line-height:1.55;
  margin-bottom:14px;
}
.section-title strong{color:var(--primary);}
.section-subtitle{
  color:var(--muted);
  font-size:1rem;
  margin:0;
}

/* ---------- intro split ---------- */
.intro-split{
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:60px;
  align-items:center;
}
.intro-thumb{
  position:relative;
  border-radius:18px;
  overflow:hidden;
  box-shadow:var(--shadow-card);
  margin-bottom:20px;
}
.intro-thumb img{
  width:100%;
  height:320px;
  object-fit:cover;
}
.intro-caption{
  position:absolute;
  left:14px;
  bottom:14px;
  background:rgba(255,255,255,.92);
  color:var(--deep);
  font-size:.86rem;
  font-weight:600;
  padding:6px 14px;
  border-radius:24px;
}
.intro-copy p{
  color:#3D5665;
  font-size:15px;
}
.intro-feature-list{
  list-style:none;
  margin:0;
  padding:0;
  border-top:1px solid var(--border);
}
.intro-feature-list li{
  display:flex;
  gap:14px;
  align-items:flex-start;
  padding:14px 0;
  border-bottom:1px solid var(--border);
}
.feature-mark{
  flex:0 0 auto;
  width:28px;
  height:28px;
  border-radius:9px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:#EAF4FA;
  color:var(--primary);
  font-size:.8rem;
  font-weight:700;
}
.intro-feature-list strong{
  display:block;
  color:var(--body);
  font-size:1rem;
  line-height:1.4;
}
.intro-feature-list span{
  color:var(--muted);
  font-size:.9rem;
  line-height:1.7;
}

/* ---------- steps ---------- */
.step-row{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.step-item{
  position:relative;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:18px;
  padding:26px 22px;
  box-shadow:var(--shadow-card);
  transition:transform .25s ease,box-shadow .25s ease;
}
.step-item:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-card-lg);
}
.step-num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:42px;
  height:42px;
  background:var(--deep);
  color:#fff;
  font-weight:800;
  font-size:.9rem;
  border-radius:12px;
  margin-bottom:14px;
}
.step-item h3{
  font-size:1.05rem;
  font-weight:700;
  color:var(--body);
  margin-bottom:8px;
}
.step-item p{
  font-size:.9rem;
  color:var(--muted);
  margin:0;
}
.step-link{
  display:inline-block;
  margin-top:12px;
  font-size:.88rem;
  font-weight:700;
  color:var(--primary);
}
.step-link i{margin-left:2px;transition:transform .2s;}
.step-link:hover i{transform:translateX(4px);}

/* ---------- gallery ---------- */
.gallery-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  grid-auto-rows:130px;
  gap:16px;
}
.media-item{
  position:relative;
  display:block;
  border-radius:16px;
  overflow:hidden;
  box-shadow:var(--shadow-card);
  background:#123247;
}
.media-item img{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .5s ease,filter .5s ease;
}
.media-item:hover img{
  transform:scale(1.04);
  filter:brightness(.88);
}
.media-item::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(18,50,71,0) 45%,rgba(10,25,35,.6) 100%);
}
.media-meta{
  position:absolute;
  left:12px;
  right:12px;
  bottom:10px;
  z-index:2;
  color:#fff;
}
.media-tag{
  display:inline-block;
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.2);
  padding:1px 9px;
  font-size:.72rem;
  border-radius:12px;
  margin-bottom:5px;
}
.media-meta strong{
  display:block;
  font-size:.92rem;
  font-weight:600;
  line-height:1.4;
  text-shadow:0 1px 6px rgba(0,0,0,.4);
}
.tile-wide{
  grid-column:span 2;
  grid-row:span 1;
}
.tile-hero{
  grid-column:span 2;
  grid-row:span 2;
}
.tile-normal{
  grid-column:span 1;
  grid-row:span 1;
}
.tile-tall{
  grid-column:span 1;
  grid-row:span 2;
}

/* ---------- notes / dynamic area ---------- */
.note-wrap{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:28px;
  margin-bottom:30px;
}
.note-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:18px;
  padding:28px;
  box-shadow:var(--shadow-card);
}
.note-card h3{
  display:flex;
  align-items:center;
  gap:10px;
  color:var(--body);
  font-size:1.1rem;
  font-weight:700;
  margin-bottom:14px;
}
.note-card .icon-square{
  flex:0 0 auto;
  width:36px;
  height:36px;
  border-radius:11px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:#fff;
}
.icon-blue{background:var(--primary);}
.icon-amber{background:var(--accent);}
.note-card ul{
  list-style:none;
  padding:0;
  margin:0;
}
.note-card li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  padding:7px 0;
  font-size:.93rem;
  color:#3D5665;
  border-bottom:1px dashed var(--border);
}
.note-card li:last-child{border-bottom:none;}
.note-card li i{
  color:var(--success);
  margin-top:5px;
  font-size:.75rem;
}
.remind-line{
  display:flex;
  gap:12px;
  background:#FDF4EC;
  border:1px solid #F3D5B6;
  border-radius:16px;
  padding:20px 22px;
  margin-top:12px;
}
.remind-line i{
  font-size:1.2rem;
  color:var(--accent);
  margin-top:3px;
}
.remind-line p{
  color:#6B4423;
  margin:0;
  font-size:.92rem;
}

/* ---------- CTA / register ---------- */
.cta-register{
  background:var(--deep);
  color:#fff;
  position:relative;
  overflow:hidden;
}
.cta-register::before{
  content:"";
  position:absolute;
  right:-80px;
  top:-80px;
  width:240px;
  height:240px;
  border-radius:50%;
  background:rgba(255,255,255,.04);
}
.cta-grid{
  display:grid;
  grid-template-columns:1fr 1.1fr;
  gap:48px;
  align-items:center;
  position:relative;
  z-index:2;
}
.cta-lead h2{
  color:#fff;
  font-size:1.7rem;
  font-weight:800;
  line-height:1.5;
  margin-bottom:16px;
}
.cta-lead p{
  color:#CFE1EA;
  font-size:.96rem;
  margin-bottom:22px;
}
.cta-points{
  list-style:none;
  padding:0;
  margin:0 0 26px;
}
.cta-points li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  padding:7px 0;
  color:#DCEAF2;
  font-size:.92rem;
}
.cta-points li i{
  color:#FFD4A1;
  margin-top:5px;
}
.form-card{
  background:#fff;
  border-radius:20px;
  color:var(--body);
  padding:26px;
  box-shadow:0 18px 40px rgba(0,0,0,.2);
}
.form-card .form-title{
  font-size:1.15rem;
  font-weight:800;
  color:var(--body);
  margin-bottom:4px;
}
.form-card .form-text{
  font-size:.85rem;
  color:var(--muted);
  margin-bottom:20px;
}
.form-label-custom{
  font-size:.87rem;
  font-weight:600;
  color:var(--deep);
  margin-bottom:6px;
}
.form-control-custom{
  width:100%;
  min-height:48px;
  background:#F7FAFB;
  border:1px solid var(--border);
  border-radius:var(--radius-input);
  padding:10px 14px;
  color:var(--body);
  font-size:.95rem;
  transition:border-color .2s,box-shadow .2s;
}
.form-control-custom::placeholder{color:#A1B3BD;}
.form-control-custom:focus{
  outline:none;
  border-color:#8EC5DE;
  background:#fff;
  box-shadow:0 0 0 4px rgba(15,107,159,.08);
}
textarea.form-control-custom{min-height:88px;resize:vertical;}
.form-select-custom{
  appearance:none;
  background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%23123032' viewBox='0 0 16 16'%3e%3cpath d='M7.247 11.14L2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592c.859 0 1.319 1.013.753 1.658l-4.796 5.482a1 1 0 0 1-1.506 0z'/%3e%3c/svg%3e");
  background-repeat:no-repeat;
  background-position:right 1rem center;
}
.form-select-custom:focus{outline:none;border-color:#8EC5DE;box-shadow:0 0 0 4px rgba(15,107,159,.08);}
.btn-submit-reg{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  width:100%;
  min-height:50px;
  background:var(--primary);
  border:1px solid var(--primary);
  color:#fff;
  border-radius:12px;
  font-size:1rem;
  font-weight:700;
  margin-top:8px;
  transition:background .2s,transform .2s,box-shadow .2s;
}
.btn-submit-reg:hover{
  background:var(--primary-dark);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 10px 22px rgba(15,107,159,.3);
}
.btn-submit-reg:focus-visible{
  outline:none;
  box-shadow:0 0 0 4px rgba(15,107,159,.25);
}

/* ---------- FAQ ---------- */
.section-faq{
  background:#F7FAFB;
}
.faq-layout{
  display:grid;
  grid-template-columns:4fr 8fr;
  gap:60px;
  align-items:flex-start;
}
.faq-sidebar .section-title{margin-bottom:12px;}
.faq-sidebar p{color:var(--muted);font-size:.94rem;margin-bottom:24px;}
.faq-contact-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:16px;
  padding:18px 20px;
  box-shadow:var(--shadow-card);
}
.faq-contact-card strong{
  display:block;
  color:var(--body);
  margin-bottom:4px;
}
.faq-contact-card span{
  font-size:.86rem;
  color:var(--muted);
}
.accordion-item{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:16px;
  margin-bottom:12px;
  overflow:hidden;
  box-shadow:0 4px 14px rgba(15,107,159,.035);
  transition:box-shadow .2s;
}
.accordion-item:hover{box-shadow:0 8px 20px rgba(15,107,159,.07);}
.accordion-header{margin:0;}
.accordion-button{
  display:flex;
  align-items:center;
  gap:14px;
  background:#fff;
  color:var(--body);
  font-weight:700;
  font-size:.98rem;
  width:100%;
  text-align:left;
  border:0;
  padding:17px 18px;
  transition:color .2s,background .2s;
}
.accordion-button:not(.collapsed){
  background:#F2F8FB;
  color:var(--primary-dark);
  box-shadow:none;
}
.accordion-button:focus{
  outline:none;
  box-shadow:none;
}
.accordion-button::after{
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  content:"\f067";
  background-image:none;
  width:auto;
  height:auto;
  flex:0 0 auto;
  color:var(--primary);
  font-size:.88rem;
  margin-left:auto;
}
.accordion-button:not(.collapsed)::after{
  content:"\f068";
  background-image:none;
  color:var(--accent);
}
.qa-index{
  flex:0 0 auto;
  width:28px;
  height:28px;
  border-radius:9px;
  background:var(--primary-light);
  color:var(--primary);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:.8rem;
  font-weight:800;
}
.accordion-body{
  background:#fff;
  padding:4px 18px 18px 60px;
  color:var(--muted);
  font-size:.93rem;
  border-top:1px dashed var(--border);
}
.accordion-body p:last-child{margin-bottom:0;}

/* ---------- CTA bottom small ---------- */
.bottom-cta{
  background:#fff;
  text-align:center;
}
.bottom-cta-inner{
  background:var(--primary-light);
  border:1px solid var(--border);
  border-radius:20px;
  padding:42px 30px;
}
.bottom-cta-inner h2{
  font-size:1.5rem;
  font-weight:800;
  color:var(--body);
  margin-bottom:10px;
}
.bottom-cta-inner p{
  color:var(--muted);
  max-width:680px;
  margin:0 auto 24px;
}

/* ---------- footer ---------- */
.site-footer{
  background:var(--deep);
  color:#C9DEE8;
  padding:56px 0 24px;
}
.footer-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr;
  gap:44px;
  padding-bottom:34px;
  border-bottom:1px solid rgba(255,255,255,.14);
}
.footer-brand .brand-logo{
  color:#fff;
  margin-bottom:14px;
}
.footer-brand .logo-dots i{
  width:8px;
  height:8px;
}
.footer-desc{
  margin:14px 0 0;
  color:#AFCBD7;
  font-size:.9rem;
  max-width:360px;
  line-height:1.9;
}
.footer-title{
  display:block;
  color:#fff;
  font-size:1rem;
  font-weight:700;
  margin:6px 0 16px;
}
.footer-links{
  list-style:none;
  margin:0;
  padding:0;
}
.footer-links li{
  padding:4px 0;
}
.footer-links a{
  color:#BCD7E1;
  font-size:.9rem;
  display:inline-block;
  transition:color .2s,transform .2s;
}
.footer-links a:hover{
  color:#fff;
  transform:translateX(3px);
}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:10px;
  padding-top:22px;
  font-size:.84rem;
  color:#9BB8C4;
}
.copy-text{margin:0;}
.site-domain-copyright{margin:0;}
.site-domain-copyright a{
  color:#D5E7ED;
  text-decoration:none;
}
.site-domain-copyright a:hover{
  color:#fff;
}

/* ---------- back to top helper ---------- */
.go-top-trigger{
  display:inline-flex;
  align-items:center;
  gap:6px;
  border:1px solid rgba(255,255,255,.25);
  color:#fff;
  padding:5px 14px;
  border-radius:12px;
  font-size:.84rem;
  transition:background .2s;
}
.go-top-trigger:hover{
  background:rgba(255,255,255,.12);
  color:#fff;
}

/* ---------- responsive ---------- */
@media (max-width: 991.98px){
  .section-block{padding:68px 0;}
  .section-head{margin-bottom:34px;}
  .navbar-collapse{
    background:var(--surface);
    border-top:1px solid var(--border);
    padding:14px 4px 18px;
    margin-top:8px;
    border-radius:14px;
  }
  .main-nav-links{
    flex-direction:column;
    align-items:stretch;
    gap:8px;
  }
  .hero-desc{max-width:100%;}
  .hero-cover{margin-top:28px;}
  .intro-split{
    grid-template-columns:1fr;
    gap:32px;
  }
  .step-row{
    grid-template-columns:1fr;
  }
  .gallery-grid{
    grid-auto-rows:110px;
    grid-template-columns:repeat(3,1fr);
  }
  .tile-wide,.tile-normal,.tile-tall{
    grid-column:span 1;
    grid-row:span 1;
  }
  .tile-hero{
    grid-column:span 2;
    grid-row:span 2;
  }
  .cta-grid{
    grid-template-columns:1fr;
    gap:30px;
  }
  .note-wrap{
    grid-template-columns:1fr;
  }
  .faq-layout{
    grid-template-columns:1fr;
    gap:24px;
  }
  .footer-grid{
    grid-template-columns:1fr 1fr;
    gap:28px;
  }
}
@media (max-width: 767.98px){
  body{font-size:15px;}
  .section-block{padding:56px 0;}
  .hero-title{font-size:1.6rem;}
  .footer-grid{grid-template-columns:1fr;}
}
@media (max-width: 575.98px){
  .header-cta-btn{width:100%;}
  .page-hero{padding:50px 0 60px;}
  .hero-actions .hero-btn-primary,.hero-actions .hero-btn-ghost{width:100%;}
  .hero-title{font-size:1.45rem;}
  .intro-caption{font-size:.76rem;}
  .section-title{font-size:1.3rem;}
  .gallery-grid{
    grid-template-columns:repeat(2,1fr);
    grid-auto-rows:105px;
  }
  .tile-hero{
    grid-column:span 2;
    grid-row:span 2;
  }
  .tile-wide{
    grid-column:span 2;
    grid-row:span 1;
  }
  .note-card{padding:20px 16px;}
  .form-card{padding:20px 16px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .footer-bottom .go-top-trigger{margin-top:4px;}
}
@media (max-width: 1080px){
  .footer-bottom{
    padding-top:20px;
  }
}

/* roulang page: category3 */
:root {
  --bg: #F3F7FA;
  --card: #FFFFFF;
  --primary: #0F6B9F;
  --primary-dark: #0C5377;
  --primary-deep: #123247;
  --text: #18303E;
  --muted: #5A7180;
  --border: #E3EBF0;
  --accent: #B45309;
  --accent-dark: #8F3E07;
  --success: #0E7A64;
  --alert: #BC4A55;
  --shadow-sm: 0 6px 18px rgba(15, 107, 159, 0.07);
  --shadow-md: 0 12px 30px rgba(15, 107, 159, 0.10);
  --radius-card: 16px;
  --radius-btn: 12px;
  --radius-input: 10px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; transition: color .25s ease, background .25s ease, box-shadow .25s ease; }
img { max-width: 100%; display: block; }
button, input, textarea, select { font: inherit; }
html { scroll-padding-top: 90px; }
:focus-visible {
  outline: none;
  box-shadow: 0 0 0 4px rgba(15, 107, 159, 0.18);
  border-radius: 6px;
}
.container { max-width: 1200px; }
.section-block { padding: 92px 0; }
.section-block-alt { background: #EFF5F9; }
.bg-card { background: var(--card); box-shadow: var(--shadow-sm); }

/* 全站 Header */
.site-header { position: sticky; top: 0; z-index: 1040; background: var(--primary-deep); box-shadow: 0 6px 20px rgba(18, 50, 71, .18); }
.navbar-custom { min-height: 76px; padding: .55rem 0; }
.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #FFFFFF;
  font-weight: 800;
  font-size: 1.18rem;
  letter-spacing: .01em;
}
.brand-logo:hover { color: #FFFFFF; }
.logo-dots { display: inline-flex; gap: 4px; align-items: center; }
.logo-dots i { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.logo-dots .dot-1 { background: #4BA3D5; }
.logo-dots .dot-2 { background: #D97706; }
.logo-dots .dot-3 { background: #E16A75; }
.navbar-toggler { border: 1px solid rgba(255, 255, 255, .28); border-radius: 10px; padding: 5px 10px; }
.navbar-toggler:focus { box-shadow: 0 0 0 4px rgba(255, 255, 255, .12); outline: none; }
.navbar-toggler-icon { background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 0.9%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e"); }
.main-nav-links { display: flex; align-items: center; gap: 6px; }
.nav-link-item {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  border-radius: 30px;
  color: #D9E5ED;
  font-weight: 600;
  font-size: .96rem;
  white-space: nowrap;
  transition: background .25s ease, color .25s ease;
}
.nav-link-item:hover { color: #FFFFFF; background: rgba(255, 255, 255, .08); }
.nav-link-item.active { background: var(--primary); color: #fff; }
.header-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #FFFFFF;
  border-radius: 10px;
  padding: 11px 19px;
  font-weight: 700;
  font-size: .97rem;
  border: 1px solid transparent;
  transition: background .25s ease, transform .2s ease;
  white-space: nowrap;
}
.header-cta-btn:hover { background: var(--accent-dark); color: #fff; transform: translateY(-1px); }
.header-cta-btn i { font-size: .9rem; }

/* Hero */
.category-hero {
  position: relative;
  background: linear-gradient(105deg, rgba(18, 50, 71, .96) 8%, rgba(15, 107, 159, .72) 62%, rgba(15, 107, 159, .42) 100%), url("/assets/images/backpic/back-2.webp") center center / cover no-repeat;
  color: #fff;
  padding: 74px 0 86px;
}
.hero-breadcrumb { display: flex; align-items: center; gap: 8px; font-size: .9rem; color: #C6D9E4; margin-bottom: 26px; flex-wrap: wrap; }
.hero-breadcrumb a { color: #DFEBF2; }
.hero-breadcrumb a:hover { color: #fff; }
.hero-breadcrumb i { font-size: .7rem; }
.category-hero .hero-inner { display: grid; grid-template-columns: 1.12fr .88fr; gap: 56px; align-items: center; }
.hero-overline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, .13);
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: 30px;
  padding: 7px 15px;
  font-size: .88rem;
  font-weight: 600;
  letter-spacing: .02em;
  color: #F4F8FA;
  margin-bottom: 20px;
}
.hero-overline i { color: #F4CFA4; }
.category-hero h1 {
  font-size: 2.65rem;
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: .01em;
  color: #fff;
  margin: 0 0 18px;
}
.hero-lead { font-size: 1.08rem; line-height: 1.9; color: #D8E6EE; max-width: 620px; margin-bottom: 28px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.btn-hero-primary {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  background: var(--accent);
  color: #fff;
  border-radius: 12px;
  padding: 13px 24px;
  font-weight: 700;
  border: 1px solid transparent;
  transition: background .25s ease, transform .2s ease, box-shadow .25s ease;
}
.btn-hero-primary i { font-size: .95rem; }
.btn-hero-primary:hover { background: var(--accent-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 12px 24px rgba(180, 83, 9, .22); }
.btn-hero-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .62);
  color: #fff;
  border-radius: 12px;
  padding: 13px 22px;
  font-weight: 600;
  transition: background .25s ease, border-color .25s ease, transform .2s ease;
}
.btn-hero-ghost:hover { background: #fff; color: var(--primary-deep); border-color: #fff; transform: translateY(-2px); }
.hero-preview { max-width: 470px; }
.hero-preview .preview-card { background: #fff; border-radius: 18px; padding: 12px 12px 16px; box-shadow: 0 28px 60px rgba(7, 25, 36, .28); }
.hero-preview img { width: 100%; height: 240px; object-fit: cover; border-radius: 12px; background: #DBE7EE; }
.preview-note {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 10px 0;
  color: var(--text);
}
.preview-note i { color: var(--primary); margin-top: 4px; }
.preview-note span { font-weight: 700; }
.preview-note small { display: block; color: var(--muted); font-size: .84rem; line-height: 1.7; }

/* Section Titles */
.section-heading { margin-bottom: 52px; }
.section-heading.center-text { text-align: center; max-width: 720px; margin-left: auto; margin-right: auto; }
.section-heading.left-aligned { text-align: left; }
.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  font-size: .9rem;
  font-weight: 700;
  letter-spacing: .02em;
  margin-bottom: 12px;
}
.section-heading h2 {
  font-size: 1.95rem;
  font-weight: 800;
  line-height: 1.4;
  color: var(--primary-deep);
  margin: 0 0 14px;
  letter-spacing: .01em;
}
.section-heading .section-desc { font-size: 1.02rem; color: var(--muted); line-height: 1.9; margin: 0 auto; }

/* Process */
.process-block { background: var(--bg); }
.process-step {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 28px 24px 26px;
  height: 100%;
  box-shadow: 0 6px 20px rgba(15, 107, 159, .05);
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
  position: relative;
}
.process-step:hover { transform: translateY(-5px); border-color: #C9DCE7; box-shadow: var(--shadow-md); }
.step-icon {
  width: 50px;
  height: 50px;
  border-radius: 14px;
  background: #EDF4F8;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  margin-bottom: 19px;
}
.process-step .step-num {
  position: absolute;
  top: 22px;
  right: 22px;
  font-size: .85rem;
  font-weight: 700;
  color: #A5B9C5;
  letter-spacing: .05em;
}
.process-step h3 { font-size: 1.07rem; font-weight: 800; color: var(--primary-deep); margin-bottom: 9px; }
.process-step p { color: var(--muted); font-size: .93rem; line-height: 1.8; margin: 0; }

/* Intro */
.intro-block { background: #fff; }
.intro-grid { display: grid; grid-template-columns: .92fr 1.08fr; gap: 60px; align-items: center; }
.intro-media { position: relative; }
.intro-media .main-img { width: 100%; height: 360px; object-fit: cover; border-radius: 20px; box-shadow: 0 18px 44px rgba(18, 50, 71, .13); }
.intro-float {
  position: absolute;
  left: -20px;
  bottom: 24px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 14px 18px;
  display: flex;
  gap: 10px;
  align-items: center;
  box-shadow: 0 16px 32px rgba(15, 107, 159, .10);
  max-width: 300px;
}
.intro-float i { color: var(--primary); font-size: 1.35rem; }
.intro-float strong { display: block; font-size: .95rem; color: var(--primary-deep); }
.intro-float small { font-size: .84rem; color: var(--muted); line-height: 1.6; }
.intro-copy h2 { font-size: 1.9rem; font-weight: 800; color: var(--primary-deep); line-height: 1.45; margin: 10px 0 20px; }
.intro-copy > p { color: var(--muted); font-size: 1rem; line-height: 2; margin-bottom: 22px; }
.check-list { list-style: none; margin: 0 0 30px; padding: 0; }
.check-list li { position: relative; padding-left: 34px; margin-bottom: 17px; color: var(--text); font-size: .98rem; }
.check-list li::before {
  content: "\f00c";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  position: absolute;
  left: 0;
  top: 3px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #E6F2F1;
  color: var(--success);
  font-size: .78rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.intro-tags { display: flex; flex-wrap: wrap; gap: 10px; }
.tag-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: #F0F5F8;
  border: 1px solid var(--border);
  border-radius: 30px;
  color: var(--primary-dark);
  font-size: .88rem;
  font-weight: 600;
  padding: 6px 14px;
  transition: background .25s ease, border-color .25s ease;
}
.tag-pill:hover { background: #E2EEF5; border-color: #BFD6E4; }

/* Activity Types */
.types-block { background: #EFF5F9; }
.type-list { border-top: 1px solid var(--border); }
.type-row {
  display: grid;
  grid-template-columns: 70px 1fr 160px;
  gap: 20px;
  align-items: center;
  background: #fff;
  padding: 24px 26px;
  border: 1px solid var(--border);
  border-top: none;
  transition: background .3s ease, box-shadow .3s ease, transform .3s ease;
}
.type-row:hover { background: #FAFDFF; z-index: 1; position: relative; box-shadow: var(--shadow-sm); transform: translateY(-2px); }
.type-index {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--primary);
  background: #E8F1F7;
  width: 48px;
  height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
}
.type-main h3 { font-size: 1.05rem; font-weight: 800; color: var(--primary-deep); margin-bottom: 5px; }
.type-main p { font-size: .93rem; color: var(--muted); margin: 0; line-height: 1.8; }
.type-link {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 7px;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px 13px;
  color: var(--primary-dark);
  font-size: .88rem;
  font-weight: 600;
  transition: background .25s ease, border-color .25s ease, color .25s ease;
}
.type-link:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

/* Gallery */
.gallery-block { background: var(--bg); }
.gallery-grid { display: grid; grid-template-columns: repeat(4, 1fr); grid-auto-rows: 134px; gap: 14px; }
.g-item {
  position: relative;
  overflow: hidden;
  border-radius: 16px;
  margin: 0;
  cursor: pointer;
  background: #CDDAE3;
}
.g-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.g-item:hover img { transform: scale(1.06); }
.g-item .g-main-caption { position: absolute; inset: auto 0 0 0; padding: 34px 16px 13px; background: linear-gradient(0deg, rgba(18, 50, 71, .82) 0%, rgba(18, 50, 71, 0) 100%); color: #fff; }
.g-main { grid-column: span 2; grid-row: span 2; }
.g-tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(255, 255, 255, .92);
  color: var(--primary-dark);
  padding: 4px 11px;
  border-radius: 30px;
  font-size: .76rem;
  font-weight: 700;
  z-index: 3;
}
.g-name { display: block; font-size: .98rem; font-weight: 700; line-height: 1.5; margin-top: 3px; }
.gallery-note { margin-top: 18px; text-align: right; color: var(--muted); font-size: .88rem; }

/* Register */
.register-block { padding: 88px 0; }
.register-panel {
  background: linear-gradient(135deg, #123247 0%, #163F57 100%);
  color: #fff;
  border-radius: 24px;
  padding: 54px;
  display: grid;
  grid-template-columns: .95fr 1.05fr;
  gap: 56px;
  box-shadow: 0 26px 60px rgba(18, 50, 71, .24);
}
.register-copy h2 { font-size: 1.85rem; font-weight: 800; color: #fff; line-height: 1.45; margin: 0 0 18px; }
.register-copy > p { color: #D4E3EC; line-height: 2; margin-bottom: 22px; }
.register-safe {
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 14px;
  padding: 14px 16px;
  color: #DDEAF1;
  font-size: .9rem;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}
.register-safe i { color: #F0B37B; margin-top: 3px; }
.register-form-wrap { background: #fff; color: var(--text); border-radius: 20px; padding: 30px; box-shadow: 0 18px 40px rgba(7, 25, 36, .16); }
.register-form label { display: block; font-weight: 700; font-size: .97rem; margin-bottom: 8px; color: var(--primary-deep); }
.register-form .form-control {
  width: 100%;
  height: 50px;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 15px;
  background: #FBFCFC;
  color: var(--text);
  transition: border-color .25s ease, box-shadow .25s ease;
}
.register-form textarea.form-control { height: auto; min-height: 100px; resize: vertical; }
.register-form .form-control::placeholder { color: #9EB0BB; }
.register-form .form-control:focus { border-color: var(--primary); background: #fff; box-shadow: 0 0 0 4px rgba(15, 107, 159, .12); outline: none; }
.register-form .optional { color: var(--muted); font-weight: 500; font-size: .85rem; }
.btn-register {
  width: 100%;
  height: 52px;
  border-radius: 12px;
  border: none;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  transition: background .25s ease, transform .2s ease, box-shadow .25s ease;
}
.btn-register:hover { background: var(--accent-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 12px 24px rgba(180, 83, 9, .18); }
.btn-register i { font-size: .95rem; }
.form-result { font-size: .88rem; margin-top: 12px; border-radius: 10px; padding: 10px 14px; display: none; line-height: 1.7; }
.form-result.success { background: #E8F4F0; color: var(--success); display: block; border: 1px solid #BEE2D8; }
.form-result.error { background: #FCEAEC; color: var(--alert); display: block; border: 1px solid #F0C6CB; }
.form-tip { color: var(--muted); font-size: .85rem; text-align: center; margin: 11px 0 0; }

/* FAQ */
.faq-block { background: #fff; }
.faq-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 64px; align-items: flex-start; }
.faq-side { position: sticky; top: 120px; }
.faq-side h2 { font-size: 1.85rem; font-weight: 800; line-height: 1.45; color: var(--primary-deep); margin: 0 0 18px; }
.faq-side p { color: var(--muted); line-height: 1.9; font-size: .98rem; margin: 0 0 26px; }
.faq-side .faq-contact-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: #EDF4F8;
  color: var(--primary-dark);
  padding: 11px 17px;
  border-radius: 12px;
  font-size: .92rem;
  font-weight: 700;
  border: 1px solid var(--border);
  transition: background .25s ease, color .25s ease;
}
.faq-side .faq-contact-link:hover { background: var(--primary); color: #fff; }
.accordion-flush .accordion-item {
  border: 1px solid var(--border) !important;
  border-radius: 14px !important;
  overflow: hidden;
  margin-bottom: 12px;
  background: #fff;
  box-shadow: 0 4px 14px rgba(15, 107, 159, .04);
}
.accordion-flush .accordion-item:last-child { margin-bottom: 0; }
.accordion-header { border: none; }
.accordion-button {
  background: #fff;
  color: var(--primary-deep);
  padding: 18px 18px 18px 22px;
  font-size: 1rem;
  font-weight: 700;
  box-shadow: none;
  border-radius: 14px !important;
  gap: 12px;
}
.accordion-button:not(.collapsed) { background: #F1F7FB; color: var(--primary-dark); box-shadow: none; }
.accordion-button:not(.collapsed)::after { transform: rotate(0deg); }
.accordion-button:focus { box-shadow: none; border-color: transparent; }
.accordion-button::after {
  content: "\f078";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  background-image: none;
  color: var(--primary);
  font-size: .85rem;
  width: 24px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.accordion-button.collapsed::after { content: "\f105"; color: #8AA3B2; }
.accordion-body { padding: 4px 22px 22px; color: var(--muted); font-size: .93rem; line-height: 1.9; background: #fff; }

/* Footer */
.site-footer { background: var(--primary-deep); color: #C4D5DF; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 52px 40px; padding: 64px 0 40px; }
.footer-brand .brand-logo { margin-bottom: 16px; }
.footer-desc { color: #AFC6D3; font-size: .93rem; line-height: 1.9; max-width: 380px; margin: 16px 0 0; }
.footer-title { color: #fff; font-size: 1rem; font-weight: 700; margin: 0 0 18px; }
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li + li { margin-top: 10px; }
.footer-links a { color: #B8CCD7; font-size: .92rem; transition: color .25s ease, padding-left .25s ease; }
.footer-links a:hover { color: #fff; padding-left: 5px; }
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: space-between;
  align-items: center;
  padding: 18px 0 26px;
  border-top: 1px solid rgba(255, 255, 255, .1);
  color: #9EB3C0;
  font-size: .87rem;
}
.footer-bottom .copy-text { color: #C4D5DF; }
.footer-bottom a { color: #D3E3EB; }
.footer-bottom a:hover { color: #fff; }

/* Responsive */
@media (max-width: 1199.98px) {
  .register-panel { padding: 44px; gap: 40px; }
  .gallery-grid { grid-auto-rows: 124px; }
}
@media (max-width: 991.98px) {
  .section-block { padding: 68px 0; }
  .navbar-custom { padding: .55rem 0; }
  .main-nav-links { flex-direction: column; align-items: stretch; gap: 4px; }
  .nav-link-item { justify-content: center; padding: 11px 16px; }
  .header-cta-btn { justify-content: center; margin-top: 6px; }
  .category-hero { padding: 54px 0 62px; }
  .category-hero .hero-inner { grid-template-columns: 1fr; gap: 36px; }
  .hero-preview { max-width: 540px; }
  .category-hero h1 { font-size: 2.25rem; }
  .intro-grid { grid-template-columns: 1fr; gap: 40px; }
  .intro-media .main-img { height: 300px; }
  .type-row { grid-template-columns: 64px 1fr 140px; gap: 14px; padding: 20px; }
  .register-panel { grid-template-columns: 1fr; padding: 38px; gap: 34px; }
  .faq-grid { grid-template-columns: 1fr; gap: 40px; }
  .faq-side { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 767.98px) {
  .category-hero { padding: 44px 0 52px; }
  .category-hero h1 { font-size: 2rem; }
  .hero-lead { font-size: 1rem; }
  .section-heading h2 { font-size: 1.6rem; }
  .type-row { grid-template-columns: 60px 1fr; grid-template-rows: auto auto; }
  .type-link { grid-column: 2 / 3; justify-self: start; margin-top: -2px; }
  .type-index { width: 42px; height: 42px; font-size: 1.05rem; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 146px; }
  .g-main { grid-column: span 2; grid-row: span 2; }
  .register-panel { padding: 26px; border-radius: 18px; }
  .register-form-wrap { padding: 22px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; padding-top: 48px; }
  .footer-bottom { justify-content: center; text-align: center; }
}
@media (max-width: 575.98px) {
  .category-hero h1 { font-size: 1.65rem; }
  .hero-preview .preview-card img { height: 200px; }
  .hero-breadcrumb { margin-bottom: 18px; }
  .hero-actions .btn-hero-primary, .hero-actions .btn-hero-ghost { width: 100%; justify-content: center; }
  .process-step { padding: 22px 20px; }
  .intro-media .main-img { height: 230px; }
  .intro-float { left: 10px; right: 10px; bottom: 16px; max-width: none; }
  .gallery-grid { grid-template-columns: 1fr; grid-auto-rows: 200px; }
  .g-main { grid-column: span 1; grid-row: span 2; }
  .register-block { padding: 60px 0; }
  .register-panel { padding: 20px 16px; }
  .register-form-wrap { padding: 18px; }
  .section-block { padding: 56px 0; }
  .faq-side h2 { font-size: 1.55rem; }
  .btn-register { width: 100%; }
  .footer-grid { padding-top: 40px; }
}