/* roulang page: index */
/* ============ Design Variables ============ */
:root {
  --brand-blue: #4A7FA5;
  --brand-blue-dark: #3D6B8F;
  --brand-blue-house: #2E577A;
  --brand-blue-light: #E8F1F8;
  --bg-light: #F6F9FB;
  --bg-soft: #F2F7FA;
  --bg-white: #ffffff;
  --accent-brown: #A9825D;
  --accent-brown-light: #F5EDE5;
  --accent-brown-medium: #B08968;
  --text-primary: #1F2A37;
  --text-secondary: #4B5563;
  --text-muted: #9CA3AF;
  --border-color: #E5EAF0;
  --radius: 14px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --shadow-sm: 0 2px 8px rgba(17, 34, 51, .06);
  --shadow-hover: 0 10px 28px rgba(17, 34, 51, .10);
  --transition: .25s ease;
  --font-main: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
}

/* ============ Reset & Base ============ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-primary);
  background: var(--bg-light);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; height: auto; border: 0; }
a { color: var(--brand-blue); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--brand-blue-dark); }
a:focus-visible { outline: 3px solid rgba(74, 127, 165, .35); outline-offset: 2px; border-radius: 4px; }
h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.3; color: var(--text-primary); margin: 0 0 .5em; }
p { margin: 0 0 1rem; }
ul, ol { padding-left: 1.25rem; }
.container { max-width: 1200px; }
.row { margin-left: calc(-12px); margin-right: calc(-12px); }
.row > * { padding-left: 12px; padding-right: 12px; }
::selection { background: rgba(74, 127, 165, .15); color: var(--text-primary); }

/* ============ Typography ============ */
h1 { font-size: clamp(28px, 4vw, 44px); letter-spacing: .01em; }
h2 { font-size: clamp(24px, 2.6vw, 30px); }
h3 { font-size: 18px; }
.h1-sub { font-size: .62em; font-weight: 500; color: var(--text-secondary); margin-top: 4px; letter-spacing: .06em; }
.section-title { font-size: clamp(24px, 2.6vw, 30px); margin-bottom: 12px; }
.section-desc { font-size: 15px; color: var(--text-secondary); max-width: 640px; line-height: 1.8; margin-bottom: 0; }
.section-tag {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 600; color: var(--accent-brown);
  background: var(--accent-brown-light); padding: 6px 16px;
  border-radius: 999px; letter-spacing: .03em; margin-bottom: 14px;
}
.section-tag i { font-size: 12px; }
.section-head { margin-bottom: 40px; }
.text-highlight { color: var(--brand-blue); }

/* ============ Buttons ============ */
.btn {
  border-radius: 999px; font-weight: 600;
  transition: all var(--transition);
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  text-decoration: none; cursor: pointer; border: 1px solid transparent;
}
.btn:focus, .btn:focus-visible { box-shadow: 0 0 0 3px rgba(74, 127, 165, .25); outline: none; }
.btn:active { transform: translateY(0) !important; }
.btn-primary-custom {
  background: var(--brand-blue); border-color: var(--brand-blue); color: #fff !important;
  min-height: 48px; padding: 10px 32px; font-size: 15px;
}
.btn-primary-custom:hover {
  background: var(--brand-blue-dark); border-color: var(--brand-blue-dark);
  color: #fff !important; transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(74, 127, 165, .28);
}
.btn-primary-custom:active { background: var(--brand-blue-house); }
.btn-outline-custom {
  background: transparent; border: 1px solid var(--brand-blue); color: var(--brand-blue) !important;
  min-height: 48px; padding: 10px 32px; font-size: 15px;
}
.btn-outline-custom:hover {
  background: var(--brand-blue-light); border-color: var(--brand-blue);
  color: var(--brand-blue-dark) !important; transform: translateY(-2px);
}
.btn-outline-custom:active { background: #D6E4F0; border-color: var(--brand-blue-dark); }
.btn-accent-custom {
  background: var(--accent-brown); border-color: var(--accent-brown); color: #fff !important;
  min-height: 48px; padding: 10px 32px; font-size: 15px;
}
.btn-accent-custom:hover {
  background: var(--accent-brown-medium); border-color: var(--accent-brown-medium);
  color: #fff !important; transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(169, 130, 93, .3);
}
.btn-sm-nav { min-height: 36px; padding: 6px 20px; font-size: 14px; }

/* ============ Header / Nav ============ */
.site-header {
  position: sticky; top: 0; z-index: 1030;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
}
.navbar-custom { min-height: 72px; padding: 0 24px; }
.brand-logo {
  display: inline-flex; align-items: center;
  font-size: 20px; font-weight: 700; color: var(--text-primary);
  letter-spacing: .02em; text-decoration: none; gap: 10px;
}
.brand-logo:hover { color: var(--text-primary); }
.brand-mark {
  width: 38px; height: 38px; border-radius: 12px;
  background: linear-gradient(135deg, var(--brand-blue-light), #DCE9F2);
  color: var(--brand-blue); display: inline-flex; align-items: center; justify-content: center;
  font-size: 17px; flex-shrink: 0; box-shadow: inset 0 0 0 1px rgba(74, 127, 165, .12);
}
.brand-logo small { display: block; font-size: 11px; font-weight: 500; color: var(--text-muted); line-height: 1.2; }
.nav-link-custom {
  font-size: 15px; font-weight: 500; color: var(--text-secondary);
  padding: 8px 18px !important; border-radius: 999px;
  transition: all var(--transition); text-decoration: none;
}
.nav-link-custom:hover { color: var(--brand-blue); background: var(--brand-blue-light); }
.nav-link-custom.active { color: var(--brand-blue); background: var(--brand-blue-light); font-weight: 600; position: relative; }
.navbar-toggler {
  border: 1px solid var(--border-color); border-radius: 10px;
  padding: 8px 12px; background: var(--bg-white); transition: all var(--transition);
}
.navbar-toggler:hover { border-color: var(--brand-blue); background: var(--brand-blue-light); }
.navbar-toggler:focus { box-shadow: 0 0 0 3px rgba(74, 127, 165, .15); }
.navbar-toggler i { color: var(--text-primary); font-size: 18px; }

/* ============ Hero ============ */
.hero {
  background:
    linear-gradient(135deg, rgba(242, 247, 250, .95) 0%, rgba(255, 255, 255, .82) 55%, rgba(232, 241, 248, .90) 100%),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  padding: 92px 0 72px;
  border-bottom: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: '';
  position: absolute; bottom: -80px; right: -40px;
  width: 320px; height: 320px; border-radius: 50%;
  background: radial-gradient(circle, rgba(169, 130, 93, .10), transparent 70%);
  pointer-events: none;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 600; color: var(--accent-brown);
  background: rgba(255, 255, 255, .8); border: 1px solid rgba(169, 130, 93, .2);
  padding: 7px 18px; border-radius: 999px;
  backdrop-filter: blur(4px); box-shadow: var(--shadow-sm);
}
.hero h1 { margin: 22px 0 18px; }
.hero-sub {
  font-size: 16px; color: var(--text-secondary); line-height: 1.8;
  max-width: 620px; margin: 0 auto 28px;
}
.hero-cta { margin-bottom: 28px; }
.hero-trust {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 12px 28px;
  font-size: 14px; color: var(--text-secondary);
}
.hero-trust span { display: inline-flex; align-items: center; gap: 8px; }
.hero-trust i { color: var(--accent-brown); font-size: 13px; }
.hero-trust .star { color: var(--accent-brown); }

/* ============ Cards ============ */
.feature-card {
  background: var(--bg-white); border: 1px solid var(--border-color);
  border-radius: var(--radius); padding: 32px 28px;
  box-shadow: var(--shadow-sm); transition: all var(--transition); height: 100%;
}
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: #D4E0EA; }
.feature-card-primary {
  background: linear-gradient(145deg, var(--bg-white), var(--brand-blue-light));
  border: 1px solid rgba(74, 127, 165, .15);
  display: flex; flex-direction: column;
}
.feature-icon {
  width: 50px; height: 50px; border-radius: 14px; flex-shrink: 0;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 20px; margin-bottom: 18px;
}
.feature-icon-blue { background: var(--brand-blue-light); color: var(--brand-blue); }
.feature-icon-brown { background: var(--accent-brown-light); color: var(--accent-brown); }
.feature-icon-green { background: #EAF2EC; color: #5B8C6E; }
.feature-card h3 { font-size: 18px; margin-bottom: 10px; }
.feature-card p { font-size: 15px; color: var(--text-secondary); line-height: 1.75; margin-bottom: 12px; }
.feature-card ul { list-style: none; padding: 0; margin: 14px 0 0; }
.feature-card ul li {
  font-size: 14px; color: var(--text-secondary);
  padding: 7px 0; display: flex; align-items: center; gap: 10px; border-bottom: 1px dashed var(--border-color);
}
.feature-card ul li:last-child { border-bottom: 0; }
.feature-card ul li i { color: var(--brand-blue); font-size: 13px; flex-shrink: 0; }
.feature-card ul li strong { color: var(--text-primary); font-weight: 600; }
.feature-mini { padding: 24px 22px; }
.feature-mini .feature-icon { width: 42px; height: 42px; font-size: 17px; margin-bottom: 12px; border-radius: 12px; }
.feature-mini h3 { font-size: 16px; margin-bottom: 6px; }
.feature-mini p { font-size: 14px; margin-bottom: 0; }

/* ============ Scenario / Journey ============ */
.journey-block { padding: 48px 0; }
.journey-media {
  border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-hover); position: relative;
}
.journey-media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.journey-media .media-tag {
  position: absolute; bottom: 16px; left: 16px;
  background: rgba(255, 255, 255, .92); backdrop-filter: blur(6px);
  border-radius: 999px; padding: 8px 18px;
  font-size: 13px; font-weight: 600; color: var(--text-primary);
  box-shadow: var(--shadow-sm); display: inline-flex; align-items: center; gap: 8px;
}
.journey-media .media-tag i { color: var(--accent-brown); }
.step-list { list-style: none; margin: 0; padding: 0; position: relative; }
.step-list::before {
  content: ''; position: absolute; left: 15px; top: 8px; bottom: 8px;
  width: 2px; background: var(--brand-blue-light); border-radius: 2px;
}
.step-list li { display: flex; gap: 18px; padding: 0 0 24px; position: relative; }
.step-list li:last-child { padding-bottom: 0; }
.step-num {
  width: 32px; height: 32px; border-radius: 50%; flex-shrink: 0;
  background: var(--brand-blue); color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 700; z-index: 1;
  box-shadow: 0 0 0 4px rgba(74, 127, 165, .12);
}
.step-content h4 { font-size: 16px; margin: 2px 0 4px; }
.step-content p { font-size: 14px; color: var(--text-secondary); margin: 0; }
.journey-points { list-style: none; padding: 0; margin: 0; }
.journey-points li {
  padding: 13px 0; font-size: 15px; color: var(--text-secondary);
  display: flex; gap: 12px; align-items: flex-start; border-bottom: 1px dashed var(--border-color);
}
.journey-points li:last-child { border-bottom: 0; }
.journey-points li i { color: var(--accent-brown); margin-top: 4px; font-size: 14px; flex-shrink: 0; }
.journey-points li strong { color: var(--text-primary); font-weight: 600; }

/* ============ Reviews / Social Proof ============ */
.review-card {
  background: var(--bg-white); border: 1px solid var(--border-color);
  border-radius: var(--radius); padding: 28px; height: 100%;
  box-shadow: var(--shadow-sm); transition: all var(--transition);
  display: flex; flex-direction: column;
}
.review-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); }
.review-stars { color: var(--accent-brown); font-size: 14px; letter-spacing: 2px; margin-bottom: 14px; }
.review-text { font-size: 15px; color: var(--text-secondary); line-height: 1.8; flex: 1; margin-bottom: 18px; }
.review-author { display: flex; align-items: center; gap: 12px; }
.review-avatar {
  width: 40px; height: 40px; border-radius: 50%; flex-shrink: 0;
  background: var(--brand-blue-light); color: var(--brand-blue);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 700;
}
.review-avatar.brown { background: var(--accent-brown-light); color: var(--accent-brown); }
.review-author-name { font-weight: 600; font-size: 14px; color: var(--text-primary); }
.review-author-meta { font-size: 12px; color: var(--text-muted); }
.stats-band {
  background: var(--bg-white); border: 1px solid var(--border-color);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-sm);
  padding: 32px 20px; margin-top: 48px;
}
.stat-item { text-align: center; padding: 12px 8px; }
.stat-num { font-size: clamp(30px, 3vw, 42px); font-weight: 800; color: var(--brand-blue); line-height: 1.2; }
.stat-label { font-size: 13px; color: var(--text-secondary); margin-top: 4px; font-weight: 500; }
.pledge-bar {
  display: flex; flex-wrap: wrap; gap: 12px 32px;
  background: var(--brand-blue-light); border-radius: 999px;
  padding: 16px 32px; margin-top: 32px; justify-content: center;
}
.pledge-bar span { font-size: 14px; color: var(--brand-blue-dark); display: inline-flex; gap: 8px; align-items: center; }
.pledge-bar span i { font-size: 12px; }

/* ============ FAQ ============ */
.faq-wrap .accordion-item {
  background: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius) !important;
  overflow: hidden; margin-bottom: 14px; box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition);
}
.faq-wrap .accordion-item:hover { box-shadow: var(--shadow-hover); }
.faq-wrap .accordion-button {
  font-size: 16px; font-weight: 600; color: var(--text-primary);
  background: var(--bg-white); padding: 22px 26px;
  box-shadow: none !important; transition: all var(--transition);
}
.faq-wrap .accordion-button:not(.collapsed) {
  color: var(--brand-blue); background: var(--brand-blue-light);
}
.faq-wrap .accordion-button:focus { box-shadow: 0 0 0 3px rgba(74, 127, 165, .12) !important; }
.faq-wrap .accordion-button::after {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%234A7FA5'%3E%3Cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E");
  transition: transform var(--transition);
}
.faq-wrap .accordion-button:not(.collapsed)::after { transform: rotate(180deg); }
.faq-wrap .accordion-body {
  padding: 6px 26px 24px; color: var(--text-secondary);
  font-size: 15px; line-height: 1.8;
}
.faq-wrap .accordion-collapse { border-top: 1px solid var(--border-color); }
.faq-wrap .accordion-collapse .border-top { border-color: var(--border-color) !important; }

/* ============ News / Blog List ============ */
.news-panel {
  background: var(--bg-white); border: 1px solid var(--border-color);
  border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm);
  margin-bottom: 16px; transition: all var(--transition);
}
.news-panel:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); border-color: #D4E0EA; }
.news-item { display: flex; gap: 20px; padding: 20px; align-items: center; }
.news-thumb {
  width: 170px; height: 110px; border-radius: 10px; overflow: hidden; flex-shrink: 0;
  background: #EDF2F7; position: relative;
}
.news-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.news-content { flex: 1; min-width: 0; }
.news-meta-top { display: flex; flex-wrap: wrap; gap: 10px 20px; margin-bottom: 8px; }
.news-cat {
  font-size: 12px; font-weight: 600; color: var(--accent-brown);
  background: var(--accent-brown-light); border-radius: 999px;
  padding: 3px 12px; display: inline-flex; align-items: center; gap: 5px;
}
.news-date { font-size: 13px; color: var(--text-muted); display: inline-flex; align-items: center; gap: 5px; }
.news-title {
  font-size: 17px; margin: 0 0 6px; line-height: 1.45;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.news-title a { color: var(--text-primary); transition: color var(--transition); }
.news-title a:hover { color: var(--brand-blue); }
.news-summary {
  font-size: 14px; color: var(--text-secondary); line-height: 1.7;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden; margin: 0 0 10px;
}
.news-link { font-size: 14px; font-weight: 600; color: var(--brand-blue); }
.news-link:hover { color: var(--brand-blue-dark); }
.news-link i { transition: transform var(--transition); font-size: 12px; }
.news-link:hover i { transform: translateX(4px); }
.news-empty {
  background: var(--bg-white); border: 1px dashed #C9D6E2;
  border-radius: var(--radius); padding: 48px; text-align: center; color: var(--text-muted);
}
.news-empty i { font-size: 36px; margin-bottom: 12px; display: block; color: #B9C8D6; }
.news-empty p { font-size: 15px; margin: 0; }
.news-sidebar {
  background: var(--bg-white); border: 1px solid var(--border-color);
  border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow-sm);
}

/* ============ CTA / Form ============ */
.cta-panel {
  background: linear-gradient(140deg, var(--brand-blue-light) 0%, var(--bg-white) 50%, var(--accent-brown-light) 100%);
  border: 1px solid var(--border-color);
  border-radius: 24px; padding: 52px 48px;
  position: relative; overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.cta-panel::before {
  content: '';
  position: absolute; inset: 0;
  background: url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  opacity: .07; pointer-events: none;
}
.cta-contact-list { list-style: none; padding: 0; margin: 20px 0 0; }
.cta-contact-list li { display: flex; gap: 14px; align-items: center; padding: 10px 0; font-size: 15px; color: var(--text-secondary); }
.cta-contact-list li i { width: 34px; height: 34px; border-radius: 10px; background: var(--bg-white); color: var(--brand-blue); display: inline-flex; align-items: center; justify-content: center; font-size: 14px; box-shadow: var(--shadow-sm); flex-shrink: 0; }
.cta-contact-list li strong { color: var(--text-primary); font-weight: 600; }
.booking-form-card {
  background: var(--bg-white); border-radius: 18px;
  border: 1px solid var(--border-color); box-shadow: var(--shadow-hover);
  padding: 32px; position: relative; z-index: 1;
}
.form-label { font-weight: 600; font-size: 14px; color: var(--text-secondary); margin-bottom: 6px; }
.form-control {
  border-radius: 8px; border: 1px solid #D8E2EC;
  padding: 11px 16px; font-size: 15px; background: var(--bg-light);
  transition: all var(--transition); color: var(--text-primary);
}
.form-control:focus {
  border-color: var(--brand-blue); background: var(--bg-white);
  box-shadow: 0 0 0 3px rgba(74, 127, 165, .15);
}
.form-select {
  border-radius: 8px; border: 1px solid #D8E2EC;
  padding: 11px 16px; font-size: 15px; background: var(--bg-light);
  transition: all var(--transition); color: var(--text-primary);
}
.form-select:focus {
  border-color: var(--brand-blue); background: var(--bg-white);
  box-shadow: 0 0 0 3px rgba(74, 127, 165, .15);
}
textarea.form-control { resize: vertical; min-height: 90px; }
.form-success {
  background: #EAF5EC; border: 1px solid #C9E5CF; color: #3A7D52;
  border-radius: 10px; padding: 14px 18px; font-size: 14px;
  margin-top: 14px; display: flex; gap: 10px; align-items: center;
}
.form-success i { font-size: 18px; }

/* ============ Footer ============ */
.site-footer { background: var(--bg-white); border-top: 1px solid var(--border-color); padding: 52px 0 24px; }
.footer-brand { font-size: 20px; font-weight: 700; color: var(--text-primary); display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.footer-brand .brand-mark { background: var(--brand-blue-light); color: var(--brand-blue); width: 36px; height: 36px; border-radius: 11px; font-size: 15px; }
.footer-desc { font-size: 14px; color: var(--text-secondary); max-width: 380px; line-height: 1.8; }
.footer-contact { list-style: none; padding: 0; margin: 0; }
.footer-contact li { display: flex; gap: 10px; padding: 6px 0; font-size: 14px; color: var(--text-secondary); align-items: center; }
.footer-contact li i { color: var(--accent-brown); width: 18px; text-align: center; font-size: 13px; }
.footer-nav { list-style: none; padding: 0; margin: 0; display: flex; gap: 8px 28px; flex-wrap: wrap; }
.footer-nav a { font-size: 14px; color: var(--text-secondary); font-weight: 500; text-decoration: none; }
.footer-nav a:hover { color: var(--brand-blue); }
.footer-bottom {
  border-top: 1px solid var(--border-color); margin-top: 36px;
  padding-top: 20px; display: flex; justify-content: space-between;
  flex-wrap: wrap; gap: 8px; font-size: 13px; color: var(--text-muted);
}

/* ============ Fixed Bottom Bar ============ */
.fixed-bar {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 1090;
  height: 64px; background: rgba(255, 255, 255, .95);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-top: 1px solid var(--border-color);
  display: none; align-items: center; padding: 0 20px;
  box-shadow: 0 -4px 20px rgba(17, 34, 51, .05);
}
.fixed-bar.show { display: flex; }
.fixed-bar-text { font-size: 14px; font-weight: 600; color: var(--text-primary); display: flex; align-items: center; gap: 8px; }
.fixed-bar-text i { color: var(--accent-brown); }
.fixed-bar-text small { font-size: 12px; color: var(--text-muted); font-weight: 400; }
.fixed-bar .btn { min-height: 40px; padding: 6px 22px; font-size: 14px; }
body.has-fixed-bar { padding-bottom: 72px; }
@media (max-width: 767px) {
  body { padding-bottom: 68px; }
  .fixed-bar { display: flex; }
}

/* ============ Section Spacing ============ */
.section-block { padding: 72px 0; }
.section-block-sm { padding: 56px 0; }
.bg-soft-section { background: var(--bg-soft); }
.accent-divider { border: 0; height: 1px; background: linear-gradient(90deg, transparent, var(--border-color), transparent); margin: 0; }

/* ============ Responsive ============ */
@media (max-width: 991px) {
  .section-block { padding: 60px 0; }
  .navbar-custom { padding: 0 16px; }
  .navbar-collapse {
    background: var(--bg-white);
    padding: 16px 20px 20px;
    border-radius: 0 0 16px 16px;
    box-shadow: var(--shadow-hover);
    border-top: 1px solid var(--border-color);
  }
  .nav-link-custom { padding: 12px 18px !important; font-size: 16px; }
  .brand-logo { font-size: 18px; }
  .hero { padding: 72px 0 56px; }
  .cta-panel { padding: 40px 32px; }
  .stats-band { padding: 24px 12px; }
  .news-item { flex-direction: column; align-items: flex-start; }
  .news-thumb { width: 100%; height: 160px; }
}
@media (max-width: 767px) {
  .section-block { padding: 48px 0; }
  .hero { padding: 56px 0 44px; }
  .hero-sub { font-size: 15px; }
  .hero-trust { gap: 8px 18px; font-size: 13px; }
  .hero-cta .btn { width: 100%; max-width: 280px; }
  .cta-panel { padding: 32px 20px; border-radius: 18px; }
  .booking-form-card { padding: 24px; }
  .pledge-bar { border-radius: 16px; padding: 16px 20px; gap: 8px 20px; }
  .stat-item { padding: 8px; }
  .stat-num { font-size: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; justify-content: center; }
  .journey-block { padding: 32px 0; }
  .step-list li { gap: 14px; }
  .news-thumb { height: 140px; }
  .section-head { margin-bottom: 30px; }
  .fixed-bar-text small { display: none; }
}
@media (max-width: 520px) {
  .hero h1 { font-size: 26px; }
  h2 { font-size: 22px; }
  .feature-card { padding: 24px 20px; }
  .review-card { padding: 22px 18px; }
  .news-panel { padding: 0; }
  .news-item { padding: 16px; gap: 14px; }
  .news-thumb { height: 120px; }
  .cta-contact-list li { font-size: 14px; flex-wrap: wrap; }
  .cta-panel { padding: 28px 16px; }
  .footer-nav { flex-direction: column; gap: 12px; }
}

/* ============ Utility ============ */
.position-relative { position: relative; }
.z-index-1 { z-index: 1; }
.ms-auto-custom { margin-left: auto; }
.object-fit-cover { object-fit: cover; }

/* roulang page: article */
/* ============ Design Variables ============ */
:root {
  --brand-blue: #4A7FA5;
  --brand-blue-dark: #3D6B8F;
  --brand-blue-house: #2E577A;
  --brand-blue-light: #E8F1F8;
  --bg-light: #F6F9FB;
  --bg-soft: #F2F7FA;
  --bg-white: #ffffff;
  --accent-brown: #A9825D;
  --accent-brown-light: #F5EDE5;
  --accent-brown-medium: #B08968;
  --text-primary: #1F2A37;
  --text-secondary: #4B5563;
  --text-muted: #9CA3AF;
  --border-color: #E5EAF0;
  --radius: 14px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --shadow-sm: 0 2px 8px rgba(17, 34, 51, .06);
  --shadow-hover: 0 10px 28px rgba(17, 34, 51, .10);
  --transition: .25s ease;
  --font-main: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
}

/* ============ Base / Reset ============ */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-primary);
  background: var(--bg-light);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; height: auto; border: 0; }
a { color: var(--brand-blue); text-decoration: none; transition: color var(--transition), background var(--transition), border-color var(--transition), box-shadow var(--transition); }
a:hover { color: var(--brand-blue-dark); }
a:focus-visible { outline: 3px solid rgba(74, 127, 165, .35); outline-offset: 2px; border-radius: 4px; }
h1, h2, h3, h4, h5, h6 { font-weight: 700; color: var(--text-primary); line-height: 1.4; margin: 0 0 12px; }
p { margin: 0 0 16px; }
ul, ol { margin: 0 0 16px; padding-left: 24px; }
.container { max-width: 1200px; padding-left: 24px; padding-right: 24px; }
.container-narrow { max-width: 780px; margin-left: auto; margin-right: auto; }
.row { margin-left: calc(-12px); margin-right: calc(-12px); }
.row > * { padding-left: 12px; padding-right: 12px; }

/* ============ Buttons ============ */
.btn {
  border-radius: 999px; font-weight: 600;
  transition: all var(--transition);
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  text-decoration: none; cursor: pointer; border: 1px solid transparent;
}
.btn:focus, .btn:focus-visible { box-shadow: 0 0 0 3px rgba(74, 127, 165, .25); outline: none; }
.btn:active { transform: translateY(0) !important; }
.btn-primary-custom {
  background: var(--brand-blue); border-color: var(--brand-blue); color: #fff !important;
  min-height: 48px; padding: 10px 32px; font-size: 15px;
}
.btn-primary-custom:hover {
  background: var(--brand-blue-dark); border-color: var(--brand-blue-dark);
  color: #fff !important; transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(74, 127, 165, .28);
}
.btn-primary-custom:active { background: var(--brand-blue-house); }
.btn-outline-custom {
  background: transparent; border: 1px solid var(--brand-blue); color: var(--brand-blue) !important;
  min-height: 48px; padding: 10px 32px; font-size: 15px;
}
.btn-outline-custom:hover {
  background: var(--brand-blue-light); border-color: var(--brand-blue);
  color: var(--brand-blue-dark) !important; transform: translateY(-2px);
}
.btn-outline-custom:active { background: #D6E4F0; border-color: var(--brand-blue-dark); }
.btn-sm-nav { min-height: 36px; padding: 6px 20px; font-size: 14px; }

/* ============ Header / Nav ============ */
.site-header {
  position: sticky; top: 0; z-index: 1030;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
}
.navbar-custom { min-height: 72px; padding: 0 24px; }
.brand-logo {
  display: inline-flex; align-items: center;
  font-size: 20px; font-weight: 700; color: var(--text-primary);
  letter-spacing: .02em; text-decoration: none; gap: 10px;
}
.brand-logo:hover { color: var(--text-primary); }
.brand-mark {
  width: 38px; height: 38px; border-radius: 12px;
  background: linear-gradient(135deg, var(--brand-blue-light), #DCE9F2);
  color: var(--brand-blue); display: inline-flex; align-items: center; justify-content: center;
  font-size: 17px; flex-shrink: 0; box-shadow: inset 0 0 0 1px rgba(74, 127, 165, .12);
}
.brand-logo small { display: block; font-size: 11px; font-weight: 500; color: var(--text-muted); line-height: 1.2; }
.nav-link-custom {
  font-size: 15px; font-weight: 500; color: var(--text-secondary);
  padding: 8px 18px !important; border-radius: 999px;
  transition: all var(--transition); text-decoration: none;
}
.nav-link-custom:hover { color: var(--brand-blue); background: var(--brand-blue-light); }
.nav-link-custom.active { color: var(--brand-blue); background: var(--brand-blue-light); font-weight: 600; }
.navbar-toggler {
  border: 1px solid var(--border-color); border-radius: 10px;
  padding: 8px 12px; background: var(--bg-white); transition: all var(--transition);
}
.navbar-toggler:hover { border-color: var(--brand-blue); background: var(--brand-blue-light); }
.navbar-toggler:focus { box-shadow: 0 0 0 3px rgba(74, 127, 165, .15); }
.navbar-toggler i { color: var(--text-primary); font-size: 18px; }

/* ============ Breadcrumb ============ */
.article-breadcrumb {
  background: var(--bg-soft);
  border-bottom: 1px solid var(--border-color);
  padding: 14px 0;
}
.breadcrumb-custom {
  list-style: none; margin: 0; padding: 0;
  display: flex; align-items: center; flex-wrap: wrap;
  font-size: 13px; color: var(--text-muted);
}
.breadcrumb-custom li { display: inline-flex; align-items: center; }
.breadcrumb-custom a { color: var(--brand-blue); font-weight: 500; display: inline-flex; align-items: center; gap: 6px; }
.breadcrumb-custom a:hover { color: var(--brand-blue-dark); }
.breadcrumb-custom .sep { margin: 0 10px; color: var(--text-muted); opacity: .7; }
.breadcrumb-custom .current {
  color: var(--text-secondary); max-width: 360px;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}

/* ============ Article Header ============ */
.article-header {
  background: linear-gradient(180deg, var(--bg-white) 0%, var(--bg-light) 100%);
  border-bottom: 1px solid var(--border-color);
  padding: 52px 0 36px;
}
.article-meta {
  display: flex; align-items: center; gap: 18px; flex-wrap: wrap;
  margin-bottom: 18px;
}
.badge-article-category {
  display: inline-flex; align-items: center; gap: 7px;
  background: var(--brand-blue-light); color: var(--brand-blue-dark);
  font-size: 13px; font-weight: 600; padding: 5px 16px; border-radius: 999px;
  letter-spacing: .02em;
}
.article-date {
  font-size: 13px; color: var(--text-muted);
  display: inline-flex; align-items: center; gap: 8px;
}
.article-header h1 {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700; line-height: 1.3; letter-spacing: .01em;
  margin: 0 0 20px; color: var(--text-primary);
}
.article-header h1::after {
  content: '';
  display: block;
  width: 56px; height: 3px;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--accent-brown), rgba(169, 130, 93, .2));
  margin-top: 20px;
}

/* ============ Article Body ============ */
.article-content-section {
  padding: 40px 0 56px;
  background: var(--bg-light);
}
.article-body {
  background: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 52px 56px;
  box-shadow: var(--shadow-sm);
  font-size: 16px; line-height: 1.9;
  color: var(--text-primary);
  overflow-wrap: break-word;
  animation: articleFadeUp .5s ease both;
}
@keyframes articleFadeUp {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: none; }
}
.article-body > *:first-child { margin-top: 0; }
.article-body > *:last-child { margin-bottom: 0; }
.article-body h2 {
  font-size: 24px; font-weight: 700; color: var(--text-primary);
  margin: 44px 0 18px; padding-bottom: 12px;
  border-bottom: 2px solid var(--brand-blue-light);
}
.article-body h3 {
  font-size: 20px; font-weight: 700; color: var(--text-primary);
  margin: 34px 0 14px;
}
.article-body h4 {
  font-size: 17px; font-weight: 700; color: var(--text-primary);
  margin: 26px 0 12px;
}
.article-body p { margin-bottom: 22px; color: var(--text-primary); }
.article-body a { color: var(--brand-blue); text-decoration: underline; text-underline-offset: 3px; }
.article-body a:hover { color: var(--brand-blue-dark); }
.article-body ul, .article-body ol { margin: 0 0 22px; padding-left: 26px; }
.article-body li { margin-bottom: 8px; }
.article-body li::marker { color: var(--accent-brown); }
.article-body blockquote {
  margin: 30px 0; padding: 22px 26px;
  background: var(--bg-soft);
  border-left: 4px solid var(--accent-brown);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-secondary); font-size: 15px; line-height: 1.8;
}
.article-body blockquote p:last-child { margin-bottom: 0; }
.article-body img { border-radius: var(--radius); margin: 26px 0; }
.article-body figure { margin: 30px 0; }
.article-body figure img { margin: 0; width: 100%; }
.article-body figcaption { font-size: 13px; color: var(--text-muted); text-align: center; margin-top: 10px; }
.article-body hr { border: 0; border-top: 1px solid var(--border-color); margin: 44px 0; }
.article-body code { background: var(--bg-soft); padding: 2px 8px; border-radius: 6px; font-size: 14px; color: var(--accent-brown-medium); }
.article-body pre {
  background: #1F2A37; color: #E8F1F8;
  padding: 22px 26px; border-radius: var(--radius);
  overflow-x: auto; margin: 28px 0; font-size: 14px; line-height: 1.7;
}
.article-body pre code { background: transparent; padding: 0; color: inherit; }
.article-body table { width: 100%; border-collapse: collapse; margin: 26px 0; font-size: 15px; }
.article-body th, .article-body td { border: 1px solid var(--border-color); padding: 10px 14px; text-align: left; }
.article-body th { background: var(--bg-soft); font-weight: 600; }

/* ============ Not Found ============ */
.article-not-found {
  background: var(--bg-white);
  border: 1px dashed var(--border-color);
  border-radius: var(--radius-lg);
  padding: 76px 24px;
  text-align: center;
  box-shadow: var(--shadow-sm);
}
.nf-icon {
  width: 76px; height: 76px; border-radius: 50%;
  background: var(--brand-blue-light); color: var(--brand-blue);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 30px; margin-bottom: 22px;
}
.article-not-found h2 { font-size: 24px; margin-bottom: 12px; }
.article-not-found p { color: var(--text-secondary); max-width: 480px; margin: 0 auto 24px; }

/* ============ Related / Footer Nav ============ */
.article-footer-nav {
  padding: 8px 0 72px;
  background: var(--bg-light);
}
.related-head {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 12px; margin-bottom: 24px;
}
.related-title {
  font-size: 22px; font-weight: 700; color: var(--text-primary);
  margin: 0; position: relative; padding-left: 14px;
}
.related-title::before {
  content: '';
  position: absolute; left: 0; top: 50%;
  transform: translateY(-50%);
  width: 4px; height: 20px; border-radius: 4px;
  background: var(--accent-brown);
}
.back-link {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 14px; font-weight: 600; color: var(--brand-blue);
  padding: 8px 16px; border-radius: 999px;
  background: var(--brand-blue-light);
  transition: all var(--transition);
}
.back-link:hover { color: var(--brand-blue-dark); background: #DCE9F2; }
.related-card {
  display: block; height: 100%;
  background: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  text-decoration: none;
}
.related-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  text-decoration: none;
}
.related-card:focus-visible { outline: 3px solid rgba(74, 127, 165, .35); outline-offset: 2px; border-radius: var(--radius); }
.related-thumb {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--bg-soft);
}
.related-thumb img {
  width: 100%; height: 100%;
  object-fit: cover; display: block;
  transition: transform .5s ease;
}
.related-card:hover .related-thumb img { transform: scale(1.05); }
.related-info { padding: 18px 20px 20px; }
.related-info h3 {
  font-size: 16px; font-weight: 600; line-height: 1.55;
  color: var(--text-primary); margin: 0 0 12px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden;
}
.related-card:hover .related-info h3 { color: var(--brand-blue); }
.related-date {
  font-size: 13px; color: var(--text-muted);
  display: inline-flex; align-items: center; gap: 8px;
}

/* ============ Footer ============ */
.site-footer {
  background: var(--bg-white);
  border-top: 1px solid var(--border-color);
  padding: 56px 0 24px;
}
.footer-brand {
  display: flex; align-items: center; gap: 10px;
  font-size: 20px; font-weight: 700; color: var(--text-primary);
  margin-bottom: 16px;
}
.footer-desc {
  color: var(--text-secondary); font-size: 14px;
  line-height: 1.8; max-width: 420px; margin-bottom: 0;
}
.footer-contact { list-style: none; margin: 0; padding: 0; }
.footer-contact li {
  display: flex; align-items: center; gap: 10px;
  padding: 6px 0; color: var(--text-secondary); font-size: 14px;
}
.footer-contact i { width: 18px; text-align: center; color: var(--brand-blue); flex-shrink: 0; }
.footer-nav { list-style: none; margin: 0; padding: 0; }
.footer-nav li { padding: 4px 0; }
.footer-nav a { color: var(--text-secondary); font-size: 14px; transition: all var(--transition); }
.footer-nav a:hover { color: var(--brand-blue); padding-left: 4px; }
.footer-bottom {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 8px;
  border-top: 1px solid var(--border-color);
  margin-top: 40px; padding-top: 20px;
  font-size: 13px; color: var(--text-muted);
}

/* ============ Responsive ============ */
@media (max-width: 991px) {
  .navbar-custom { padding: 12px 16px; }
  .navbar-collapse {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 16px; margin-top: 14px;
    box-shadow: var(--shadow-sm);
  }
  .nav-link-custom { padding: 12px 16px !important; font-size: 16px; }
  .nav-item + .nav-item { margin-top: 2px; }
  .article-body { padding: 40px 36px; }
}
@media (max-width: 767px) {
  .article-breadcrumb { padding: 12px 0; }
  .breadcrumb-custom .current { max-width: 220px; }
  .article-header { padding: 36px 0 28px; }
  .article-header h1 { font-size: 28px; line-height: 1.35; }
  .article-content-section { padding: 24px 0 40px; }
  .article-body { padding: 26px 20px; border-radius: var(--radius); font-size: 15px; line-height: 1.85; }
  .article-body h2 { font-size: 21px; margin-top: 34px; }
  .article-body h3 { font-size: 18px; }
  .article-body blockquote { padding: 18px 20px; }
  .article-footer-nav { padding: 0 0 48px; }
  .related-head { flex-direction: column; align-items: flex-start; }
  .related-title { font-size: 20px; }
  .site-footer { padding: 40px 0 20px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 575px) {
  .container { padding-left: 16px; padding-right: 16px; }
  .brand-logo { font-size: 17px; }
  .brand-logo small { font-size: 10px; }
  .article-meta { gap: 12px; }
  .article-body { padding: 22px 18px; }
  .article-not-found { padding: 56px 20px; }
}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}